阅读说明：本技术 一种滨水景观防溺水装置 (Drowned device is prevented to waterfront view ) 是由 任鹏 于 2021-09-09 设计创作，主要内容包括：一种滨水景观防溺水装置,包括第一箱体,所述第一箱体下端表面固接有U形箱体,所述第一箱体前端内壁左右两侧分别安装有第一门,所述第一门内壁滑动连接有多个抽屉,所述U形箱体前端内壁左右两侧分别安装有第二门,所述第一箱体前端表面下侧安装有可前后移动的箭头滑板,所述箭头滑板向后移动时可构成第一门边向外侧滑动边向外侧翻转展开、抽屉同步向前端滑动、第二门向外侧翻转的结构；通过可边向外侧滑动边向外侧翻转展开的第一门、可同步向前滑动的抽屉、可向外侧翻转的第二门,可快速的打开装置,取出救生圈等物品争分夺秒的救援。(The drowning prevention device for the waterfront landscape comprises a first box body, wherein a U-shaped box body is fixedly connected to the surface of the lower end of the first box body, first doors are respectively installed on the left side and the right side of the inner wall of the front end of the first box body, a plurality of drawers are slidably connected to the inner wall of the first door, second doors are respectively installed on the left side and the right side of the inner wall of the front end of the U-shaped box body, an arrow head sliding plate capable of moving back and forth is installed on the lower side of the surface of the front end of the first box body, and the arrow head sliding plate can form a structure that the first door edge slides outwards while overturning and unfolding, the drawers slide forwards and the second doors overturn outwards synchronously when moving backwards; the device can be quickly opened through the first door capable of sliding outwards and overturning and unfolding outwards, the drawer capable of sliding forwards synchronously and the second door capable of overturning outwards, and articles such as a life buoy and the like can be taken out for rescue which takes a second time.)

1. The utility model provides a drowned device is prevented to waterfront view, includes first box (1), its characterized in that: the structure is characterized in that a U-shaped box body (2) is fixedly connected to the surface of the lower end of the first box body (1), first doors (3) are respectively mounted on the left side and the right side of the inner wall of the front end of the first box body (1), a plurality of drawers (68) are slidably connected to the inner wall of the first doors (3), second doors (4) are respectively mounted on the left side and the right side of the inner wall of the front end of the U-shaped box body (2), an arrow sliding plate (34) capable of moving back and forth is mounted on the lower side of the surface of the front end of the first box body (1), and when the arrow sliding plate (34) moves back, the structure that the first doors (3) slide outwards and turn outwards while turning and unfolding, the drawers (68) synchronously slide towards the front end, and the second doors (4) turn outwards can be formed; a bushing (27) is fixedly connected to the inner wall of the rear end of the first box body (1), a plurality of life buoys (31) are placed at the upper end of the bushing (27), a second handle (33) capable of moving back and forth is mounted on the surface of the left end of the first box body (1), and the second handle (33) can form a structure in which the life buoys (31) fall down in sequence when moving back.

2. The device of claim 1, wherein: the upper side and the lower side of the rear end of the arrow sliding plate (34) are respectively provided with a first sliding plate (42) which is in sliding connection with the first box body (1), the inner side end of the first sliding plate (42) is respectively and fixedly connected with a second wedge block (43) which is matched with the arrow sliding plate (34), the outer side of the second wedge block (43) is respectively and fixedly connected with a fifth spring (44), the outer side end of the first sliding plate (42) is respectively and fixedly connected with a second connecting rod (45), the outer side end of the second connecting rod (45) is respectively and fixedly connected with a crank (46), the inner wall of the crank (46) is respectively and fixedly connected with a long rotating shaft (47), and the long rotating shaft (47) is respectively and rotatably connected with the inner walls of the left end and the right end of the first box body (1); the upper end of the outer surface of the long rotating shaft (47) is fixedly connected with a first swing rod (54) respectively, the other end of each first swing rod (54) is hinged to the surface of the rear end of the corresponding first door (3), pin shafts (55) are mounted on the inner sides of the upper ends of the surfaces of the rear ends of the first doors (3) respectively, and the pin shafts (55) are connected to the left side and the right side of the inner wall of the upper end of the first box body (1) in a sliding mode respectively; the lower end of the outer surface of the long rotating shaft (47) is fixedly connected with a second swing rod (69), the other end of the second swing rod (69) is hinged with a first supporting seat (70), and the first supporting seats (70) are connected to the surfaces of the rear ends of the corresponding second doors (4) in a sliding mode; arrow point slide (34) lower extreme is equipped with pull rod (37) with first box (1) sliding connection, pull rod (37) rear end surface rigid coupling has U-shaped slide (39), U-shaped slide (39) inner wall is equipped with first wedge (40), a plurality of and first wedge (40) matched with triangle spout have been seted up to arrow point slide (34) lower extreme surface, pull rod (37) surface cover has fourth spring (38) with U-shaped slide (39) matched with, first wedge (40) inner wall rigid coupling has long sliding pin (41), both ends difference inner wall is seted up with long sliding pin (41) matched with oblique keyway about U-shaped slide (39).

3. The device of claim 2, wherein: the middle part of the outer surface of the pin shaft (55) is fixedly connected with a third straight gear (56) respectively, the rear end of the third straight gear (56) is meshed with a third straight rack (57) fixedly connected with the first box body (1) respectively, the lower end of the outer surface of the pin shaft (55) is fixedly connected with a first bevel gear (58) respectively, the lower end of the first bevel gear (58) is meshed with a second bevel gear (59) respectively, the front end of the second bevel gear (59) is coaxially and fixedly connected with a second small belt wheel (60) respectively, the lower end of the second small belt wheel (60) is connected with a wide belt wheel (61) respectively, the outer side of the wide belt wheel (61) is connected with a second large belt wheel (62) respectively, two centrosymmetric third connecting rods (63) are hinged at the non-circle center part of the surface of the rear end of the second large belt wheel (62), and the outer side of the third connecting rods (63) are hinged with special-shaped seats (64) slidably connected with the first door (3) respectively, the rear end of the special-shaped seat (64) is hinged with a fourth connecting rod (65) respectively, the upper side and the lower side of the surface of the rear end of the first door (3) are fixedly connected with two limiting rods (67) respectively, the outer surfaces of the two limiting rods (67) are sleeved with one long sleeve plate (66) respectively, the drawer (68) is fixedly connected with the surfaces of the left end and the right end of the corresponding long sleeve plate (66) respectively, and the fourth connecting rod (65) is hinged with the surface of the front end of the corresponding long sleeve plate (66) respectively.

4. The device of claim 1, wherein: the left end surface of the first box body (1) is connected with a first sliding block (10) in a sliding mode, the second handle (33) is fixedly connected to the right end surface of the first sliding block (10), the inner wall of the right end of the first sliding block (10) is connected with a first guide rod (11) fixedly connected with the first box body (1) in a sliding mode, a first spring (12) matched with the first sliding block (10) is sleeved on the outer surface of the first guide rod (11), and a first shifting pin (13) is fixedly connected to the right end surface of the first box body (1); the rear end surface of the arrow sliding plate (34) is fixedly connected with a first straight rack (48), the right end of the first straight rack (48) is meshed with a first straight gear (49), the lower end of the first straight gear (49) is coaxially and fixedly connected with a first large belt pulley (50), the left end of the first large belt pulley (50) is connected with a first small belt pulley (51), the upper end of the first small belt pulley (51) is coaxially and fixedly connected with a second straight gear (52), the left end of the second straight gear (52) is meshed with a second straight rack (53), the upper end of the second straight rack (53) is fixedly connected with a first extension plate (24), and the inner wall of the upper end of the first extension plate (24) is fixedly connected with a second shifting pin (18); an L-shaped supporting plate (20) is fixedly connected to the left side of the inner wall of the bottom end of the first box body (1), a square sliding block (17) is connected to the upper end surface of the L-shaped supporting plate (20) in a sliding manner, the inner walls of the left end and the right end of the square sliding block (17) are respectively connected with a trapezoidal wedge block (14) which is matched with the corresponding first shifting pin (13) and the second shifting pin (18) in a sliding way, the inner sides of the trapezoidal wedges (14) are respectively fixedly connected with a second spring (16), the upper end surfaces of the trapezoidal wedges (14) are respectively fixedly connected with a first sliding pin (15), a first supporting plate (21) is fixedly connected to the surface of the rear end of the L-shaped supporting plate (20), resetting wedges (22) matched with the corresponding first sliding pins (15) are respectively arranged on the left side and the right side of the upper end of the first supporting plate (21), the rear end surface of the square sliding plate is fixedly connected with a third spring (19), and the other end of the third spring (19) is fixedly connected with the front end surface of a first supporting plate (21).

5. The device of claim 4 for preventing drowning of waterfront landscape, which comprises: big cylinder through-hole has been seted up at bushing (27) upper end surface middle part, big cylinder through-hole periphery department all is equipped with four and distributes evenly and with bushing (27) articulated right angle pinch bar (28), right angle pinch bar (28) outside both ends in proper order the annular respectively have four first connecting rods (26) articulated, right angle pinch bar (28) medial extremity articulates respectively has first group board (29), the coaxial rigid coupling respectively in right angle pinch bar (28) upper end has and dials board (30) with the first matched with second of dialling board (29) that corresponds, square slider (17) upper end surface rigid coupling has thick sliding pin (23), square slider (17) upper end is equipped with and thick sliding pin (23) matched with key fagging (25), key fagging (25) rigid coupling is on one of them first connecting rod (26).

6. The device of claim 1, wherein: the inner wall of the bottom end of the U-shaped box body (2) is connected with a long sliding plate (71) in a sliding way, the inner wall of the middle part of the long sliding plate (71) is connected with a threaded rod (73) in a threaded way, the surfaces of the left end and the right end of the long sliding plate (71) are respectively fixedly connected with a concave supporting seat (74), the front sides of the upper surfaces of the concave supporting seats (74) are respectively hinged with an arc prying bar (75), the inner walls of the upper ends of the two concave supporting seats (74) are provided with a detachable winding drum (81), the front ends of the arc pry bars (75) are respectively hinged with a fifth connecting rod (76), the outer side surfaces of the concave supporting seats (74) are respectively connected with a second sliding pin (77) in a sliding way, the other ends of the fifth connecting rods (76) are respectively and rotatably connected with the outer surfaces of the corresponding second sliding pins (77), the inner walls of the left end and the right end of the U-shaped box body (2) are respectively fixedly connected with a side plate (78), the inner side surfaces of the side plates (78) are respectively provided with long chutes matched with the corresponding second sliding pins (77); two L-shaped extension plates (79) are fixedly connected to the surface of the front end of the long sliding plate (71), and a main pulley (80) is rotatably connected to the inner walls of the two L-shaped extension plates (79).

7. The device of claim 6, wherein: both ends do not have cutter (89) with main pulley (80) matched with about both ends inner wall about U-shaped box (2), U-shaped box (2) right-hand member inner wall sliding connection has square pole (85), square pole (85) surface left end rigid coupling has square sleeve (87), square pole (85) surface cover has second extension spring (86) with square sleeve (87) matched with, square sleeve (87) left end surface rigid coupling has V-arrangement frid (88), cutter (89) rear end surface right side rigid coupling respectively has third sliding pin (90) with V-arrangement frid (88) matched with.

Technical Field

The invention relates to the technical field of drowning prevention rescue equipment, in particular to a drowning prevention device for a waterfront landscape.

Background

The waterfront generally refers to the marginal zone of an urban public green land which is constructed on the land near the same waters such as the sea, the lake, the river and the like in the city and has stronger ornamental value and use function; the water area breeds city and city culture and becomes an important factor for city development; the linear characteristic and the boundary characteristic of the waterfront space make the waterfront space become the most important section for forming the characteristics of urban landscapes, and the continuity and the observability of the waterfront boundary are very critical and can not be forgotten; on one hand, the landscape of the waterfront area needs to pass through internal tissues to achieve the permeability of space and ensure a good visual corridor in communication with the water area; on the other hand, the waterfront area provides a wide water area visual field for displaying urban group landscapes, which is also the best section possibly formed by common urban landmark landscapes and portal landscapes; because the lake water is deep, certain potential safety hazards exist, guardrails and life buoys are arranged on the walkways, most of the life buoys are hung on the guardrails at present, the life of the life buoys is greatly shortened by long-time air-blowing and sun-drying painting, and if the life buoys are placed in a closed space, drowners cannot be rescued slowly, so that the life buoys must compete for seconds, and the life buoys cannot be taken out quickly; for this reason, a drowning prevention device for waterfront landscape is designed to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the drowning prevention device for the waterfront landscape, the life buoy can be placed in a specific device, the storm and the sun exposure caused by wind are prevented, the service life is prolonged, the life buoy can be quickly taken out by opening the device, a drowner is saved, and the problems that the life of the life buoy is greatly shortened when the life buoy is placed in nursing and cannot be quickly taken out when the life buoy is placed in a closed space are effectively solved.

In order to solve the problems, the invention adopts the technical scheme that:

the drowning prevention device for the waterfront landscape comprises a first box body, wherein a U-shaped box body is fixedly connected to the surface of the lower end of the first box body, first doors are respectively installed on the left side and the right side of the inner wall of the front end of the first box body, a plurality of drawers are slidably connected to the inner wall of the first door, second doors are respectively installed on the left side and the right side of the inner wall of the front end of the U-shaped box body, an arrow head sliding plate capable of moving back and forth is installed on the lower side of the surface of the front end of the first box body, and the arrow head sliding plate can form a structure that the first door edge slides outwards while overturning and unfolding, the drawers slide forwards and the second doors overturn outwards synchronously when moving backwards; the inner wall of the rear end of the first box body is fixedly connected with a bushing, a plurality of life buoys are placed at the upper end of the bushing, a second handle capable of moving back and forth is installed on the surface of the left end of the first box body, and the second handle can form a structure in which the life buoys fall down in sequence when moving back.

Preferably, the upper side and the lower side of the rear end of the arrow sliding plate are respectively provided with a first sliding plate which is in sliding connection with the first box body, the inner side end of the first sliding plate is respectively and fixedly connected with a second wedge block which is matched with the arrow sliding plate, the outer side of the second wedge block is respectively and fixedly connected with a fifth spring, the outer side end of the first sliding plate is respectively and fixedly connected with a second connecting rod, the outer side end of the second connecting rod is respectively and fixedly connected with a crank, the inner wall of the crank is respectively and fixedly connected with a long rotating shaft, and the long rotating shafts are respectively and rotatably connected with the inner walls of the left end and the right end of the first box body; the upper end of the outer surface of the long rotating shaft is fixedly connected with a first swing rod respectively, the other end of each first swing rod is hinged to the surface of the rear end of the corresponding first door, pin shafts are mounted on the inner sides of the upper ends of the surfaces of the rear ends of the first doors respectively, and the pin shafts are connected to the left side and the right side of the inner wall of the upper end of the first box body in a sliding mode respectively; the lower end of the outer surface of the long rotating shaft is fixedly connected with a second swing rod respectively, the other end of each second swing rod is hinged with a first supporting seat, and the first supporting seats are connected to the surfaces of the rear ends of the corresponding second doors respectively in a sliding mode; the lower end of the arrow-shaped sliding plate is provided with a pull rod which is connected with the first box body in a sliding mode, the surface of the rear end of the pull rod is fixedly connected with a U-shaped sliding plate, the inner wall of the U-shaped sliding plate is provided with a first wedge block, the surface of the lower end of the arrow-shaped sliding plate is provided with a plurality of triangular sliding grooves matched with the first wedge block, the outer surface of the pull rod is sleeved with a fourth spring matched with the U-shaped sliding plate, the inner wall of the first wedge block is fixedly connected with a long sliding pin, and the inner walls of the left end and the right end of the U-shaped sliding plate are respectively provided with an inclined key groove matched with the long sliding pin.

Preferably, the middle part of the outer surface of the pin shaft is respectively and fixedly connected with a third straight gear, the rear end of the third straight gear is respectively meshed with a third straight rack fixedly connected with the first box body, the lower end of the outer surface of the pin shaft is respectively and fixedly connected with a first bevel gear, the lower end of the first bevel gear is respectively meshed with a second bevel gear, the front end of the second bevel gear is respectively and coaxially and fixedly connected with a second small belt pulley, the lower end of the second small belt pulley is respectively and fixedly connected with a wide belt pulley, the outer side of the wide belt pulley is respectively and fixedly connected with a second large belt pulley, two centrosymmetric third connecting rods are hinged on the non-circle center part of the rear end surface of the second large belt pulley, the outer side of the third connecting rod is respectively and fixedly connected with a special-shaped seat in sliding connection with the first door, the rear end of the special-shaped seat is respectively and hinged with a fourth connecting rod, the upper side and the lower side of the rear end surface of the first door are respectively and fixedly connected with two limiting rods, and the outer surfaces of the two limiting rods are respectively sleeved with a long sleeve plate, the drawers are respectively and fixedly connected to the surfaces of the left end and the right end of the corresponding long sleeve plate, and the fourth connecting rods are respectively hinged to the surfaces of the front ends of the corresponding long sleeve plates.

Preferably, the left end surface of the first box body is connected with a first sliding block in a sliding manner, the second handle is fixedly connected to the right end surface of the first sliding block, the inner wall of the right end of the first sliding block is connected with a first guide rod fixedly connected with the first box body in a sliding manner, a first spring matched with the first sliding block is sleeved on the outer surface of the first guide rod, and a first shifting pin is fixedly connected to the right end surface of the first box body; the rear end surface of the arrow head sliding plate is fixedly connected with a first straight rack, the right end of the first straight rack is meshed with a first straight gear, the lower end of the first straight gear is coaxially and fixedly connected with a first large belt pulley, the left end of the first large belt pulley is connected with a first small belt pulley in a belt mode, the upper end of the first small belt pulley is coaxially and fixedly connected with a second straight gear, the left end of the second straight gear is meshed with a second straight rack, the upper end of the second straight rack is fixedly connected with a first extension plate, and the inner wall of the upper end of the first extension plate is fixedly connected with a second poking pin; first box bottom inner wall left side rigid coupling has L shape fagging, L shape fagging upper end surface sliding connection has a side slider, side slider left and right ends inner wall sliding connection has the trapezoidal wedge of dialling round pin, second and dialling round pin matched with respectively with corresponding first, trapezoidal wedge inboard rigid coupling has the second spring respectively, trapezoidal wedge upper end surface rigid coupling has first smooth round pin respectively, L shape fagging rear end surface rigid coupling has first fagging, first fagging upper end left and right sides is equipped with respectively and resets the wedge with corresponding first smooth round pin matched with, square slide rear end surface rigid coupling has the third spring, the third spring other end rigid coupling is on first fagging front end surface.

Preferably, big cylinder through-hole has been seted up at bushing upper end surface middle part, big cylinder through-hole periphery department all is equipped with four and evenly distributes and with bushing articulated right angle pinch bar, right angle pinch bar outside both ends in proper order the annular articulated four first connecting rods that have respectively, right angle pinch bar medial extremity articulates respectively has first group board, right angle pinch bar upper end coaxial rigid coupling respectively has and dials the board with the first board matched with second that dials that corresponds, square slider upper end surface rigid coupling has the rough sliding pin, square slider upper end is equipped with the key fagging with rough sliding pin matched with, the key fagging rigid coupling is on one of them first connecting rod.

Preferably, the inner wall of the bottom end of the U-shaped box body is connected with a long sliding plate in a sliding manner, the inner wall of the middle part of the long sliding plate is connected with a threaded rod in a threaded manner, the surfaces of the left end and the right end of the long sliding plate are fixedly connected with concave supporting seats respectively, the front sides of the surfaces of the upper ends of the concave supporting seats are hinged with arc prying rods, the inner walls of the upper ends of the two concave supporting seats are provided with a detachable winding drum, the front ends of the arc prying rods are hinged with fifth connecting rods, the outer side surfaces of the concave supporting seats are connected with second sliding pins respectively in a sliding manner, the other ends of the fifth connecting rods are rotatably connected to the outer surfaces of the corresponding second sliding pins, the inner walls of the left end and the right end of the U-shaped box body are fixedly connected with side plates respectively, and the inner side surfaces of the side plates are provided with long chutes matched with the corresponding second sliding pins respectively; the front end surface of the long sliding plate is fixedly connected with two L-shaped extension plates, and the inner walls of the two L-shaped extension plates are rotatably connected with a main pulley.

Preferably, both ends do not have the cutter with main pulley matched with about the both ends inner wall about the U-shaped box, U-shaped box right-hand member inner wall sliding connection has the square pole, square pole surface left end rigid coupling has the square sleeve, square pole surface cover has the second extension spring with square sleeve matched with, square sleeve left end surface rigid coupling has the V-arrangement frid, cutter rear end surface right side rigid coupling respectively has the third sliding pin with V-arrangement frid matched with.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. when the quick opening device is used, the first handle is pressed backwards, so that the two corresponding first doors can move outwards while turning outwards and unfold, the drawer synchronously slides to open towards the front end, the second door turns outwards to open, the quick opening device is quickly opened, the corresponding second poking pin can move to the rearmost end when the arrow sliding plate is pushed backwards, and the corresponding life buoy can fall into the bottom end surface of the first box body when the first doors are opened, so that the life buoy can be quickly taken out, and the rescue of seconds is strived.

2. When a plurality of life buoys are needed after the device is opened, one life buoys can be sequentially and respectively taken out by pressing the second handle backwards, so that the life buoys can be arranged orderly, and abuse waste can be prevented.

3. If symptoms such as lung infection, heart failure and the like occur after drowning, a plurality of emergency medicines can be stored in a classified manner through the plurality of drawers, so that on-site treatment is facilitated.

4. When needs first aid rope, take out the length of required first aid rope earlier, through pressing the fourth handle, can drive two corresponding cutters and cut off first aid rope, avoid extravagant.

Drawings

FIG. 1 is an isometric view I of a waterfront landscape drowning prevention device of the present invention.

Fig. 2 is an axonometric view II of the drowning prevention device for the waterfront landscape of the invention.

FIG. 3 is a cross-sectional view of the first box of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 4 is a view of the inner structure of the drain cylinder of the drowning prevention device for the waterfront landscape of the invention.

FIG. 5 is a schematic view of the installation of a right angle pry bar of the drowning prevention device for the waterfront landscape of the invention.

FIG. 6 is a schematic view of the installation of L-shaped supporting plates of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 7 is a cross-sectional view of a square slider of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 8 is a schematic view of the installation of the long rotating shaft of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 9 is a schematic view of the installation of the crank of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 10 is a schematic view of the installation of the first slide plate of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 11 is a cross-sectional view of an arrow slide plate of the drowning prevention device for the waterfront landscape according to the present invention.

FIG. 12 is a schematic view of the installation of a U-shaped slide plate of the drowning prevention device for the waterfront landscape of the invention.

FIG. 13 is a schematic view of the drawer installation of the drowning prevention device for the waterfront landscape according to the present invention.

FIG. 14 is a schematic view of the pin shaft installation of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 15 is a schematic view of the third link installation of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 16 is a schematic view of the installation of a second swing link of the drowning prevention device for the waterfront landscape of the present invention.

FIG. 17 is a schematic view of the installation of the winding drum of the drowning prevention device for the waterfront landscape according to the present invention.

FIG. 18 is a schematic view of the installation of an arc pry bar of the drowning prevention device for the waterfront landscape of the invention.

FIG. 19 is a schematic view of the installation of a long slide plate of the drowning prevention device for the waterfront landscape of the invention.

FIG. 20 is a schematic view of the cutter installation of the drowning prevention device for the waterfront landscape according to the present invention.

FIG. 21 is a schematic view of the installation of the round cover plate of the drowning prevention device for the waterfront landscape of the present invention.

Reference numbers in the figures: 1-a first box body, 2-a U-shaped box body, 3-a first door, 4-a second door, 5-a round cover plate, 6-a third door, 7-a clamping plate, 8-a clamping seat, 9-a first handle, 10-a first sliding block, 11-a first guide rod, 12-a first spring, 13-a first shifting pin, 14-a trapezoidal wedge block, 15-a first sliding pin, 16-a second spring, 17-a square sliding block, 18-a second shifting pin, 19-a third spring, 20-an L-shaped supporting plate, 21-a first supporting plate, 22-a resetting wedge block, 23-a rough sliding pin, 24-a first extending plate, 25-a key supporting plate, 26-a first connecting rod, 27-a leakage plate, 28-a right-angle pry bar, 29-a first shifting plate, 30-a second shifting plate, 31-life buoy, 32-leakage barrel, 33-second handle, 34-arrow sliding plate, 35-first tension spring, 36-pull ring, 37-pull rod, 38-fourth spring, 39-U-shaped sliding plate, 40-first wedge block, 41-long sliding pin, 42-first sliding plate, 43-second wedge block, 44-fifth spring, 45-second connecting rod, 46-crank, 47-long rotating shaft, 48-first straight rack, 49-first straight gear, 50-first large belt wheel, 51-first small belt wheel, 52-second straight gear, 53-second straight rack, 54-first swing rod, 55-pin shaft, 56-third straight gear, 57-third rack, 58-first bevel gear, 59-second bevel gear, 60-second small belt wheel, 61-wide belt wheel, 62-second large belt wheel, 63-third connecting rod, 64-special-shaped seat, 65-fourth connecting rod, 66-long sleeve plate, 67-limiting rod, 68-drawer, 69-second swing rod, 70-first supporting seat, 71-long sliding plate, 72-third handle, 73-threaded rod, 74-concave supporting seat, 75-arc pry rod, 76-fifth connecting rod, 77-second sliding pin, 78-side plate, 79-L-shaped extension plate, 80-main pulley, 81-winding drum, 82-first-aid rope, 83-auxiliary pulley, 84-fourth handle, 85-square rod, 86-second tension spring, 87-square sleeve, 88-V-shaped groove plate, 89-cutter, 90-third sliding pin, 91-T shaped baffle, 92-sixth spring.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-21, the invention provides a drowning prevention device for a waterfront landscape, which comprises a first box body 1, wherein a U-shaped box body 2 is fixedly connected to the lower end surface of the first box body 1, first doors 3 are respectively installed on the left and right sides of the inner wall of the front end of the first box body 1, a plurality of drawers 68 are slidably connected to the inner wall of each first door 3, second doors 4 are respectively installed on the left and right sides of the inner wall of the front end of the U-shaped box body 2, an arrow sliding plate 34 capable of moving back and forth is installed on the lower side of the surface of the front end of the first box body 1, and when the arrow sliding plate 34 moves back, a structure that the first door 3 slides outwards while sliding outwards, the drawers 68 slide synchronously towards the front end, and the second doors 4 overturn outwards while sliding backwards can be formed; a bushing 27 is fixedly connected to the inner wall of the rear end of the first box body 1, a plurality of life buoys 31 are placed at the upper end of the bushing 27, a second handle 33 capable of moving back and forth is installed on the surface of the left end of the first box body 1, and the second handle 33 can form a structure in which the life buoys 31 fall down in sequence when moving back.

As shown in fig. 1-4, 6, 8, the devices are installed in batches, one at intervals of several tens of meters, by being fixed beside the lake; the life buoy 31 is placed in the first box body 1, so that the life buoy can be kept away from wind and sunshine, and the service life of the life buoy 31 is prolonged; when a drowner is found in the lake, the arrow sliding plate 34 is pushed backwards, so that the two corresponding first doors 3 can move outwards and turn outwards to unfold while moving outwards, the drawer 68 synchronously slides to open towards the front end, the second door 4 turns outwards to open, and the device is quickly opened, so that the lifebuoy 31 can be taken out, and rescue in time and seconds is achieved; as symptoms such as lung infection, heart failure and the like may occur in drowning, the drawer 68 is arranged for containing some emergency medicines, disinfection medicines and the like, so that on-site treatment is facilitated; by pushing the second handle 33 backward, one lifebuoy 31 can be taken out in turn, avoiding waste.

The upper side and the lower side of the rear end of the arrow sliding plate 34 are respectively provided with a first sliding plate 42 which is in sliding connection with the first box body 1, the inner side end of the first sliding plate 42 is respectively and fixedly connected with a second wedge block 43 which is matched with the arrow sliding plate 34, the outer side of the second wedge block 43 is respectively and fixedly connected with a fifth spring 44, the outer side end of the first sliding plate 42 is respectively and fixedly connected with a second connecting rod 45, the outer side end of the second connecting rod 45 is respectively and fixedly connected with a crank 46, the inner wall of the crank 46 is respectively and fixedly connected with a long rotating shaft 47, and the long rotating shafts 47 are respectively and rotatably connected with the inner walls of the left end and the right end of the first box body 1; the upper end of the outer surface of the long rotating shaft 47 is fixedly connected with a first swing rod 54, the other end of each first swing rod 54 is hinged to the surface of the rear end of the corresponding first door 3, pin shafts 55 are mounted on the inner sides of the upper ends of the surfaces of the rear ends of the first doors 3 respectively, and the pin shafts 55 are connected to the left side and the right side of the inner wall of the upper end of the first box body 1 in a sliding mode; the lower end of the outer surface of the long rotating shaft 47 is fixedly connected with a second swing rod 69, the other end of the second swing rod 69 is hinged with a first supporting seat 70, and the first supporting seats 70 are connected to the surfaces of the rear ends of the corresponding second doors 4 in a sliding mode; the lower end of the arrow sliding plate 34 is provided with a pull rod 37 in sliding connection with the first box body 1, the rear end surface of the pull rod 37 is fixedly connected with a U-shaped sliding plate 39, the inner wall of the U-shaped sliding plate 39 is provided with a first wedge block 40, the lower end surface of the arrow sliding plate 34 is provided with a plurality of triangular sliding grooves matched with the first wedge block 40, the outer surface of the pull rod 37 is sleeved with a fourth spring 38 matched with the U-shaped sliding plate 39, the inner wall of the first wedge block 40 is fixedly connected with a long sliding pin 41, and the inner walls of the left end and the right end of the U-shaped sliding plate 39 are respectively provided with an inclined key groove matched with the long sliding pin 41.

As shown in fig. 3, 8-11, 13-14 and 16, the front end of the pull rod 37 penetrates through the inner wall of the first box body 1, and is connected to the inner wall of the first box body 1 in a front-back sliding manner, as shown in fig. 16, the front end of the pull rod 37 is fixedly connected with a pull ring 36; the front end surface of the arrow sliding plate 34 is fixedly connected with a first handle 9, and the front end of the arrow sliding plate 34 penetrates through the front end surface of the corresponding first box body 1 and is connected with the inner wall of the first box body 1 in a sliding manner; the long rotating shaft 47 penetrates through the first box body 1, extends to the bottom end of the U-shaped box body 2, and is rotatably connected to the inner wall of the first box body 1, as shown in fig. 9-10, the first sliding plate 42 is slidably connected to the inner wall of the first box body 1, and a plurality of mounting grooves are formed in the first box body 1, as shown in fig. 3, and are not described again; the first sliding plate 42 is slidably connected to the inner wall of the corresponding mounting groove, so that the first sliding plate 42 corresponding to the limit position can only slide left and right, the fifth spring 44, the first sliding plate 42, the second wedge 43 and the arrow sliding plate 34 are installed and shaped as shown in fig. 11, the outer sides of the fifth spring 44 are respectively fixedly connected with a baffle, and the bottom ends of the baffles are respectively fixedly connected to the inner wall of the mounting groove; the fifth spring 44 is used for driving the corresponding second wedge 43 to be always engaged with the arrow sliding plate 34 and not to be disengaged; as shown in fig. 16, the first wedges 40 are slidably connected to the inner wall of the mounting groove up and down, so that the first wedges 40 corresponding to the limiting positions can only move up and down, the outer surface of the pull rod 37 is slidably connected with a baffle plate which is fixedly connected to the inner wall of the mounting groove, the baffle plate is used for blocking the fourth spring 38, the fourth spring 38 is used for driving the corresponding U-shaped sliding plate 39 to have backward acting force, the U-shaped sliding plate 39 is slidably connected to the inner wall of the mounting groove in the front and back direction, as shown in fig. 14 or 16, the left side and the right side of the front end surface of the arrow sliding plate 34 are respectively fixedly connected with a first tension spring 35, and the other ends of the first tension springs 35 are respectively fixedly connected to the inner wall of the mounting groove; the first tension spring 35 is used for driving the corresponding arrow slide plate 34 to have forward acting force; the outer surfaces of the pin shafts 55 are respectively and rotatably connected with bearing seats, the bottom ends of the bearing seats are respectively and fixedly connected to the rear end surfaces of the first doors 3, so that the pin shafts 55 are rotatably connected to the corresponding first doors 3, the inner walls of the upper ends of the first box bodies 1 corresponding to the pin shafts 55 are respectively provided with a long key-shaped chute, the upper ends of the outer surfaces of the pin shafts 55 are respectively and fixedly connected with a circular pad, the circular pad is slidably connected to the inner walls of the long key-shaped chutes, and the circular pad has the function of limiting the corresponding pin shafts 55 to slide back and forth on the inner walls of the long key-shaped chutes and rotate on the inner walls of the long key-shaped chutes; the first sliding plate 42, the second connecting rod 45, the crank 46, the first swing link 54 and the second swing link 69 are installed and shaped as shown in fig. 8, when the first door 3 and the second door 4 need to be opened, by pushing the corresponding arrow sliding plate 34 backwards, the triangular sliding slot formed at the lower end of the arrow sliding plate 34 will slide with the corresponding first wedge 40, since the first wedge 40 contacts with the inclined surfaces at the two ends of the triangular sliding slot, when the arrow sliding plate 34 moves backwards, the corresponding first wedge 40 will slide downwards, the first wedge 40 will move the U-shaped sliding plate 39 forwards under the engagement of the long sliding pin 41 and the inclined sliding slot to compress the fourth spring 38, when the first wedge 40 meets the next triangular sliding slot, the corresponding U-shaped sliding plate 39 and the first wedge 40 will reset under the elastic force of the fourth spring 38, so that the first wedge 40 enters the next triangular sliding slot again to engage the inner wall, the arrow sliding plate 34 can slide in a one-way mode repeatedly and circularly, the corresponding arrow sliding plate 34 can be limited to have a one-way sliding function, the two surfaces of the rear end surface of the triangular sliding groove and the rear end surface of the first wedge block 40 are parallel to each other, so that when the arrow sliding plate 34 moves forwards, the corresponding first wedge block 40 can prevent the arrow sliding plate 34 from moving forwards, and when the first wedge block 40 is meshed with the triangular sliding groove, the arrow sliding plate 34 corresponding to the limiting position cannot move forwards; when the arrow slide 34 moves backwards, the two second wedges 43 move outwards by being engaged with the second wedges 43, the fifth spring 44 is compressed, the two second wedges 43 move outwards, the two corresponding second connecting rods 45 move inwards synchronously, the two second connecting rods 45 move inwards, the two corresponding cranks 46 turn inwards, the long rotating shaft 47 rotates, the corresponding first swing rod 54 and the corresponding second swing rod 69 are respectively driven to turn outwards synchronously, when the first swing rod 54 turns outwards, the corresponding first door 3 is driven to slide outwards, because the upper end of the first door 3 is rotatably connected with the pin shaft 55, the pin shaft 55 is slidably connected with the inner wall of the first box 1, the first door 3 can also turn outwards under the limit of the pin shaft 55, and the corresponding first door 3 can turn outwards while sliding outwards by the driving of the first swing rod 54, as shown in fig. 16, the outer sides of the second doors 4 are respectively hinged to the left and right sides of the inner wall of the front end of the corresponding U-shaped box 2, when the second swing rods 69 are turned, the corresponding second doors 4 are pulled to be turned outwards, the hinge points of the second swing rods 69 and the second doors 4 are different, that is, the radii of circular motion during turning are different, so that the corresponding second doors 4 slide left and right on the surface of the rear end of the second doors 4 through the first support seats 70, when the second swing rods 69 are turned, the corresponding second doors 4 can be driven to be turned outwards to be opened, when the arrow slides 34 move backwards to be in contact with the inclined surfaces of the second wedges 43, the parallel surfaces of the corresponding second wedges 43 can be in contact with the parallel surfaces of the arrow slides 34 when the arrow slides 34 move backwards again, and at this time, the corresponding first doors 3 and second doors 4 are in the maximum open state; when the first door 3 and the second door 4 are required to be closed, by pulling the pull ring 36 forward, the pull ring 36 moves forward to move the corresponding pull rod 37 forward, the pull rod 37 moves forward to pull the corresponding U-shaped sliding plate 39 forward, the U-shaped sliding plate 39 moves forward to engage with the corresponding long sliding pin 41 to move downward, the long sliding pin 41 moves downward to pull the corresponding first wedge 40 downward, the first wedge 40 moves downward to disengage from the triangular sliding groove, when the first wedge 40 disengages from the triangular sliding groove, under the pulling force of the first tension spring 35, the arrow slide 34 moves forward to no longer act on the corresponding second wedge 43, and the second wedge 43 moves the corresponding first wedge 40 and first sliding plate 42 under the self-elasticity of the fifth spring 44, so that the corresponding second connecting rod 45, crank 46, 46 move outward, The first swing link 54, the second swing link 69, the first door 3 and the second door 4 are reset synchronously, and the first door 3 and the second door 4 are closed.

The middle part of the outer surface of the pin shaft 55 is fixedly connected with a third straight gear 56 respectively, the rear end of the third straight gear 56 is meshed with a third straight rack 57 fixedly connected with the first box body 1 respectively, the lower end of the outer surface of the pin shaft 55 is fixedly connected with a first bevel gear 58 respectively, the lower end of the first bevel gear 58 is meshed with a second bevel gear 59 respectively, the front end of the second bevel gear 59 is coaxially fixedly connected with a second small belt wheel 60 respectively, the lower end of the second small belt wheel 60 is connected with a wide belt wheel 61 respectively, the outer side of the wide belt wheel 61 is connected with a second large belt wheel 62 respectively, two third connecting rods 63 which are centrosymmetric are hinged at the non-circle center part of the surface of the rear end of the second large belt wheel 62, the outer side of the third connecting rods 63 is hinged with a special-shaped seat 64 which is slidably connected with the first door 3 respectively, the rear end of the special-shaped seat 64 is hinged with a fourth connecting rod 65 respectively, the upper and lower two sides of the surface of the rear end of the first door 3 are fixedly connected with two limiting rods 67 respectively, the outer surfaces of the two limiting rods 67 are respectively sleeved with a long sleeve plate 66, the drawers 68 are respectively and fixedly connected to the left end surface and the right end surface of the corresponding long sleeve plate 66, and the fourth connecting rods 65 are respectively hinged to the front end surface of the corresponding long sleeve plate 66.

As shown in fig. 13-15, the centers of the second bevel gear 59 and the second small belt wheel 60 are respectively and fixedly connected with a rotating shaft, and the rotating shafts are respectively and rotatably connected to the inner walls of the corresponding first doors 3; the centers of the wide belt wheel 61 and the second large belt wheel 62 are respectively fixedly connected with a rotating shaft, the rotating shafts are all rotatably connected to the inner wall of the corresponding first door 3, the second large belt wheel 62, the third connecting rod 63, the special-shaped seat 64, the fourth connecting rod 65, the limiting rod 67 and the long sleeve plate 66 are installed and shaped as shown in fig. 15, and the special-shaped seat 64 is slidably connected to the surface of the rear end of the first door 3, so that the corresponding special-shaped seat 64 can only be limited to slide up and down; when the pin shaft 55 moves outwards, the corresponding third spur gears 56 are respectively driven to move outwards, because the third spur gears 56 are meshed with the third spur racks 57, and the third spur racks 57 are fixed on the inner wall of the first box body 1, when the third spur gears 56 move outwards, the third spur gears 56 can be driven to rotate through the meshing with the third spur racks 57, the third spur gears 56 can drive the corresponding first bevel gears 58, the second bevel gears 59, the second small belt wheels 60, the wide belt wheels 61 and the second large belt wheels 62 to synchronously rotate, and the transmission ratios of the second small belt wheels 60, the wide belt wheels 61 and the second large belt wheels 62 are expanded and contracted, the corresponding second large belt wheels 62 can slowly rotate, the torque is increased, when the second large belt wheels 62 rotate, the inner sides of the two third connecting rods 63 can make circumferential swing through the hinging with the third connecting rods 63, and the outer sides can move outwards under the limit of the special-shaped seats 64, the outward movement of the special-shaped seat 64 drives the front ends of the two corresponding fourth connecting rods 65 to move outward, the corresponding long sleeve plates 66 can only move forward and backward under the limit of the limiting rods 67, the rear ends of the fourth connecting rods 65 can pull the corresponding long sleeve plates 66 to slide forward, the forward sliding of the long sleeve plates 66 can drive the corresponding drawers 68 to slide forward, and therefore when the first door 3 moves and overturns outward, the corresponding drawers 68 can be opened by sliding forward rapidly.

The left end surface of the first box body 1 is connected with a first sliding block 10 in a sliding mode, the second handle 33 is fixedly connected to the right end surface of the first sliding block 10, the inner wall of the right end of the first sliding block 10 is connected with a first guide rod 11 fixedly connected with the first box body 1 in a sliding mode, a first spring 12 matched with the first sliding block 10 is sleeved on the outer surface of the first guide rod 11, and a first shifting pin 13 is fixedly connected to the right end surface of the first box body 1; a first straight rack 48 is fixedly connected to the surface of the rear end of the arrow sliding plate 34, a first straight gear 49 is meshed at the right end of the first straight rack 48, a first large belt pulley 50 is coaxially and fixedly connected to the lower end of the first straight gear 49, a first small belt pulley 51 is connected to the left end of the first large belt pulley 50 in a belt manner, a second straight gear 52 is coaxially and fixedly connected to the upper end of the first small belt pulley 51, a second straight rack 53 is meshed at the left end of the second straight gear 52, a first extension plate 24 is fixedly connected to the upper end of the second straight rack 53, and a second shifting pin 18 is fixedly connected to the inner wall of the upper end of the first extension plate 24; the utility model discloses a reset device of a box, including first box 1, L shape fagging 20 upper end surface sliding connection has a side slider 17, the first 13 of dialling of pin, second that correspond are dialled to both ends inner wall sliding connection respectively has trapezoidal wedge 14 with trapezoidal wedge 18 matched with of pin is dialled to the second that corresponds about the side slider 17, the first sliding pin 15 of rigid coupling respectively has on the trapezoidal wedge 14 upper end surface, L shape fagging 20 rear end surface rigid coupling has first fagging 21, first fagging 21 upper end left and right sides is equipped with respectively and corresponds first sliding pin 15 matched with wedge 22 that resets, square slide rear end surface rigid coupling has third spring 19, third spring 19 other end rigid coupling is on first fagging 21 front end surface.

As shown in fig. 6-7, the first slider 10 penetrates through the left end surface of the first box 1 and is slidably connected to the inner wall of the first box 1, the front and rear ends of the outer surface of the first guide bar 11 are respectively and fixedly connected with supporting baffles, the supporting baffles are respectively and fixedly connected to the inner wall of the first box 1, and the bottom end surface of the first supporting plate 21 is fixedly connected to the inner wall of the bottom end of the first box 1; as shown in fig. 9-10, a rotating shaft is fixedly connected to the centers of the first spur gear 49 and the first large belt pulley 50, the rotating shaft is rotatably connected to the inner wall of the mounting groove, a rotating shaft is fixedly connected to the centers of the second spur gear 52 and the first small belt pulley 51, the rotating shaft is rotatably connected to the inner wall of the mounting groove, and the corresponding second spur rack 53 is slidably connected to the inner wall of the mounting groove; the first straight rack 48, the first straight gear 49, the first big belt pulley 50, the first small belt pulley 51, the second straight gear 52 and the second straight rack 53 are arranged to drive the corresponding second straight rack 53, the first extension plate 24 and the second shift pin 18 to synchronously move backwards when the arrow slide plate 34 moves backwards, and to drive the corresponding second shift pin 18 to move to the rearmost end, namely the rear side of the lower end of the corresponding reset wedge 22 when the arrow slide plate 34 moves to the rearmost end; the first shifting pin 13, the second shifting pin 18, the trapezoidal wedge 14, the first sliding block 10 and the second spring 16 are installed and shaped as shown in fig. 7, and the reset wedge 22 and the trapezoidal wedge 14 are installed in a vertically staggered manner, so that the blocking movement obstacle between the reset wedge 22 and the trapezoidal wedge 14 when the trapezoidal wedge 14 moves backwards is prevented; when the corresponding second handle 33 is driven backwards, the second handle 33 moves backwards to drive the corresponding first sliding block 10 and first shifting pin 13 to move backwards, when the first shifting pin 13 moves backwards to drive the corresponding trapezoidal wedge 14, square sliding block 17 and first sliding pin 15 to move backwards synchronously, when the square sliding block 17 and trapezoidal wedge 14 move backwards, the third spring 19 is compressed, when the square sliding block 17, trapezoidal wedge 14 and first sliding pin 15 move backwards to make the first sliding pin 15 contact with the reset wedge 22, when the corresponding second handle 33 is pushed to drive the first shifting pin 13 and trapezoidal wedge 14 to move backwards again, because the inclined surface of the reset wedge 22 contacts with the first sliding pin 15, the first sliding pin 15 moves inwards, and the first sliding pin 15 moves inwards to drive the corresponding trapezoidal wedge 14 to move inwards into the square sliding block 17, so that the trapezoidal wedge 14 is separated from the corresponding first shifting pin 13, even if the corresponding square sliding block 17 moves to the rearmost end, at this time, the square sliding block 17, the trapezoidal wedge 14, and the first moving pin 13 are moved forward to be reset to the initial position, that is, the foremost end, by the elastic force of the third spring 19, after the second handle 33 is released, the corresponding first sliding block 10, second handle 33, and first moving pin 13 are moved forward to be reset to the initial position by the self elastic force of the first spring 12, when the first moving pin 13 moves forward to be in contact with the trapezoidal wedge 14, the trapezoidal wedge 14 is moved again to the inner wall of the square sliding block 17 due to the contact of the first moving pin 13 with the inclined surface of the trapezoidal wedge 14, when the first moving pin 13 moves forward to be in contact with the trapezoidal wedge 14, the trapezoidal wedge 14 is not operated any more, and the trapezoidal wedge 14 is moved back by the self elastic force of the second spring 16, so that the trapezoidal wedge 14 is moved outward by the self elastic force of the first moving pin 13 again, the circulation can be carried out repeatedly, and the engagement and the action of the second shifting pin 18 and the trapezoidal wedge 14 are the same as the engagement and the action of the first shifting pin 13 and the trapezoidal wedge 14, so that the purpose is to enable the corresponding square sliding block 17 to move backwards once when the arrow sliding plate 34 moves backwards, and enable the second handle 33 to control the corresponding square sliding block 17 to move backwards again when moving backwards, so that the corresponding square sliding block 17 can be controlled to move backwards once respectively by the first shifting pin 13 and the second shifting pin 18.

Big cylinder through-hole has been seted up at bushing 27 upper end surface middle part, big cylinder through-hole periphery department all is equipped with four and distributes evenly and with bushing 27 articulated right angle pinch bar 28, right angle pinch bar 28 outside both ends in proper order the annular articulated four first connecting rods 26 that have respectively, right angle pinch bar 28 medial extremity articulates respectively has first group board 29, the coaxial rigid coupling has respectively and dials board 30 with the first matched with second of dialling board 29 that corresponds in right angle pinch bar 28 upper end, square slider 17 upper end surface rigid coupling has thick sliding pin 23, square slider 17 upper end is equipped with and rouses 23 matched with fagging 25 with thick sliding pin, fagging 25 rigid coupling is on one of them first connecting rod 26.

As shown in fig. 3-6, the first dial plate 29 and the second dial plate 30 are arranged to dial the corresponding life buoy 31, and the first life buoy 31 at the bottom end is supported by the first dial plate 29; the first connecting rod 26, the right-angle pry bar 28, the first shifting plate 29 and the second shifting plate 30 are arranged and shaped as shown in FIG. 5, and the right-angle pry bar 28 and the first connecting rod 26 respectively form a parallelogram mechanism; as shown in fig. 3, a downward extending funnel 32 is fixedly connected to the inner wall of the upper end of the first case 1, the funnel 32 is used for limiting the corresponding life buoy 31 and preventing the life buoy 31 from falling down, so that the life buoy can only move downward, as shown in fig. 21, the upper end surface of the first case 1 is hinged with a circular cover plate 5, the circular cover plate 5 is used for sealing the funnel 32, the upper end surface of the first case 1 corresponding to the left end of the circular cover plate 5 is provided with a T-shaped baffle 91 matched with the circular cover plate, the left end of the T-shaped baffle 91 is hinged with a sixth spring 92, the other end of the sixth spring 92 is hinged with the upper end surface of the first case 1, the sixth spring 92 is used for pushing the corresponding T-shaped baffle 91 to have a rightward turning force, so that the T-shaped baffle 91 is contacted and engaged with the circular cover plate 5, the circular cover plate 5 is prevented from being turned upward to be opened when unnecessary, and the T-shaped baffle 91 is turned leftward to separate from the circular cover plate 5, at the moment, the round cover plate 5 can be turned upwards, so that the life buoy 31 can be conveniently stored in the leakage barrel 32; the upper end surface of the supporting plate 25 is provided with a sliding groove matched with the rough sliding pin 23, as shown in fig. 5, and the purpose of the sliding groove is to drive the first connecting rod 26 to move back and forth; when the square sliding block 17 moves backwards, the corresponding rough sliding pin 23 is driven to move backwards, the rough sliding pin 23 moves backwards to push the key supporting plate 25 and the first connecting rod 26 to swing backwards, because the first connecting rod 26 is hinged with the corresponding two right-angle pry bars 28 and swings circularly when moving backwards, the corresponding key supporting plate 25 can swing circularly along the corresponding first connecting rod 26 through the left-right sliding of the rough sliding pin 23 and the sliding chute, the first connecting rod 26 swings backwards to enable the corresponding right-angle pry bar 28, the first shifting plate 29 and the second shifting plate 30 to swing synchronously, when the first shifting plate 29 rotates, the corresponding second shifting plate 30 also rotates, the second shifting plate 30 contacts the shifting fork to be between the first life ring 31 at the bottom end and the second life ring 31, so that the second life ring 31 is supported not to fall, and when the first shifting plate 29 rotates continuously, the life buoy 31 at the bottom end is not supported any more, and at the moment, the life buoy 31 falls into the surface of the bottom end of the first box body 1 through the large cylindrical through hole under the self gravity; thereby convenient and fast takes out life buoy 31, when square sliding block 17 moves forward, when reseing promptly, can make corresponding thick sliding pin 23 mesh fagging 25 move forward and reset, can make corresponding first connecting rod 26 move forward, the reverse upset of the right angle pinch bar 28 that the drive corresponds resets, can make corresponding first group board 29, the synchronous reverse upset of second group board 30, thereby make corresponding second group board 30 take place to break away from with life buoy 31, can make life buoy 31 fall under life buoy 31's self gravity to contact with first group board 29, thereby can take out life buoy 31 in proper order.

The inner wall of the bottom end of the U-shaped box body 2 is connected with a long sliding plate 71 in a sliding manner, the inner wall of the middle part of the long sliding plate 71 is connected with a threaded rod 73 in a threaded manner, the surfaces of the left end and the right end of the long sliding plate 71 are fixedly connected with concave supporting seats 74 respectively, the front sides of the upper surfaces of the concave supporting seats 74 are hinged with arc prying rods 75 respectively, the inner walls of the upper ends of the two concave supporting seats 74 are provided with a detachable reel 81, the front ends of the arc prying rods 75 are hinged with fifth connecting rods 76 respectively, the outer side surfaces of the concave supporting seats 74 are connected with second sliding pins 77 respectively in a sliding manner, the other ends of the fifth connecting rods 76 are rotatably connected to the outer surfaces of the corresponding second sliding pins 77 respectively, the inner walls of the left end and the right end of the U-shaped box body 2 are fixedly connected with side plates 78 respectively, and the inner side surfaces of the side plates 78 are provided with long chutes matched with the corresponding second sliding pins 77 respectively; two L-shaped extension plates 79 are fixedly connected to the front end surface of the long sliding plate 71, and a main pulley 80 is rotatably connected to the inner walls of the two L-shaped extension plates 79.

As shown in fig. 17-19, the long slide plate 71 is slidably connected to the inner wall of the U-shaped case 2 in the front and back directions, the front and back ends of the outer surface of the threaded rod 73 are respectively rotatably connected with a bearing plate, and the bottom ends of the bearing plates are respectively fixedly connected to the bottom end surface of the U-shaped case 2; a third handle 72 is fixedly connected to the surface of the rear end of the threaded rod 73, and the third handle 72 is used for driving the threaded rod 73 to rotate conveniently; the concave supporting plate, the arc pry bar 75, the fifth link 76, the second slide pin 77 and the side plate 78 are installed and shaped as shown in fig. 17-18, and the second slide pin 77 is slidably connected to the outer side surface of the concave supporting plate up and down; the outer surface of the winding drum 81 is wound with a first-aid rope 82, and under the condition that a drowning person can not swim, the drowning person can be dragged to the shore through the first-aid rope 82, as shown in fig. 19, the lower end surface of the first box body 1 is rotatably connected with an auxiliary pulley 83 matched with the main pulley 80, and through the mutual coupling of the main pulley 80 and the auxiliary pulley 83, the first-aid rope 82 which can limit the corresponding position can only pass through between the main pulley 80 and the auxiliary pulley 83, so that the first-aid rope 82 can be taken out conveniently; as shown in fig. 2, a third door 6 is hinged to the rear side of the inner wall of the left end of the U-shaped box 2, a clamping plate 7 is hinged to the right side of the rear end surface of the third door 6, a clamping seat 8 matched with the clamping plate 7 is fixedly connected to the right side of the rear end surface of the corresponding U-shaped box 2, and the clamping seat 8 and the clamping plate 7 are used for preventing the third door 6 from being opened under unnecessary conditions; when the first-aid rope 82 is used up and the reel 81 needs to be replaced, the clamping plate 7 is separated from the clamping seat 8 by turning the clamping plate 7 upwards, so that the corresponding third door 6 can be turned outwards, then the corresponding threaded rod 73 can be rotated by rotating the third handle 72, the corresponding long sliding plate 71 can be moved backwards by rotating the threaded rod 73, the corresponding two concave supporting seats 74 can be moved backwards by moving the long sliding plate 71 backwards, the corresponding reel 81, the L-shaped extension plate 79, the main pulley 80, the arc-shaped pry bar 75, the fifth connecting rod 76 and the second sliding pin 77 can be synchronously moved backwards by moving the concave supporting seats 74 backwards, because the second sliding pin 77 is meshed with the long inclined groove, the second sliding pin 77 can also be moved downwards when moving backwards, the lower end of the corresponding fifth connecting rod 76 can be moved downwards by moving the second sliding pin 77 downwards, and the upper end of the fifth connecting rod 76 can drive the corresponding arc-shaped pry bar 75 to be turned downwards, arc pinch bar 75 overturns to the upper end front side, corresponds reel 81 this moment and can dismantle the change, when having changed new reel 81, through fixing first aid rope 82 at the main pulley 80 inner wall, upset third handle 72 once more, can make the long slide 71 that corresponds move forward, long slide 71 moves forward then can make corresponding main pulley 80, arc pinch bar 75 reset to it is spacing and fixed new reel 81 once more to make arc pinch bar 75, breaks away from during the prevention rotation.

The utility model discloses a cutting tool, including U-shaped box 2, two ends about the U-shaped box 2 inner wall sliding connection respectively have with main pulley 80 matched with cutter 89, U-shaped box 2 right-hand member inner wall sliding connection has square pole 85, square pole 85 surface left end rigid coupling has square sleeve 87, square pole 85 surface cover has the second extension spring 86 with square sleeve 87 matched with, square sleeve 87 left end surface rigid coupling has V-arrangement frid 88, cutter 89 rear end surface right side rigid coupling respectively has with V-arrangement frid 88 matched with third sliding pin 90.

As shown in fig. 20, the cutter 89 is vertically slidably connected to the inner wall of the U-shaped box 2, the right end surface of the square bar 85 is fixedly connected with a fourth handle 84, the fourth handle 84 is used for driving the corresponding square bar 85 to move left and right, and the square bar 85 penetrates through the right end surface of the U-shaped box 2 and is slidably connected to the inner wall of the U-shaped box 2; one end of a second tension spring 86 is fixedly connected to the right end surface of the square sleeve 87, and the right end of the second tension spring 86 is fixedly connected to the right end surface of the U-shaped box body 2; the corresponding square sleeve 87 always has a right function under the action of the tension of the second tension spring 86; the mounting and shape of the third sliding pin 90 and the V-shaped groove plate 88 is shown in fig. 20; the cutter 89 is arranged at the front end of the main pulley 80, and as the lengths of the first-aid ropes 82 used in rescue at each time are different, the required length of the first-aid ropes 82 can be cut according to specific requirements through the cutter 89; the first-aid rope 82 is pulled forwards to obtain the approximate required length, the fourth handle 84 is pressed leftwards, the corresponding square rod 85 can be driven to move leftwards, the square rod 85 moves leftwards to drive the square sleeve 87 and the V-shaped groove plate 88 to move leftwards, when the V-shaped groove plate 88 moves leftwards, the two corresponding cutters 89 are folded inwards through being meshed with the third sliding pin 90, the first-aid rope 82 is cut off, and when the fourth handle 84 is released, the corresponding square rod 85, the square sleeve 87, the V-shaped groove plate 88, the third sliding pin 90 and the cutters 89 are reset through the self-pulling force of the second tension spring 86, and the cycle can be repeatedly used.

When the invention is used, the first handle 9 is pressed backwards, so that the two corresponding first doors 3 can move outwards and turn outwards to unfold while moving outwards, the drawer 68 slides forwards synchronously, the second door 4 turns outwards to unfold, and the device is quickly opened under the backward pushing of the arrow sliding plate 34, and when the first doors 3 are opened, namely the corresponding second toggle pins 18 move to the rearmost end, the corresponding life buoy 31 falls into the bottom end surface of the first box body 1, so that the life buoy 31 can be quickly taken out, and the rescue of seconds is won; when a plurality of life buoys 31 are needed after the device is opened, one life buoys 31 can be taken out in sequence respectively by pressing the second handle 33 backwards, so that the life buoys 31 can be arranged orderly, and the abuse waste can be prevented; if symptoms such as pulmonary infection, heart failure and the like occur after drowning, a plurality of emergency medicines can be stored in a classified manner through the plurality of drawers 68, so that on-site treatment is facilitated; when the first-aid rope 82 is needed, the needed length of the first-aid rope 82 is taken out firstly, and the fourth handle 84 is pressed to drive the corresponding two cutters 89 to cut off the first-aid rope 82, so that waste is avoided.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.