阅读说明：本技术 一种可控速度的火灾逃生器滑落装置 (Speed-controllable fire escape device sliding device ) 是由 谭春旺 张今朝 徐祝青 郑静 于 2019-12-06 设计创作，主要内容包括：本发明公开一种可控速度的火灾逃生器滑落装置,包括主体装置和封装装置；主体装置和封装装置相配合,形成闭合装置；逃生绳索从闭合装置形成的圆孔中穿过；封装装置,包括上壳体、上摩擦片和锁扣；主体装置,包括下壳体、齿轮装置、下摩擦片、锁环、羊角卡针和杠杆装置。本发明结构简单,安装方便,通过自行拉动第一杠杆上第一受力绳和第二杠杆上的第二受力绳,来控制装置的下降速度,可实现多人同时逃生。(The invention discloses a speed-controllable fire escape device sliding device, which comprises a main body device and a packaging device, wherein the main body device is provided with a sliding groove; the main body device is matched with the packaging device to form a closing device; the escape rope passes through a round hole formed by the closing device; the packaging device comprises an upper shell, an upper friction plate and a lock catch; the main body device comprises a lower shell, a gear device, a lower friction plate, a locking ring, a claw clamp needle and a lever device. The invention has simple structure and convenient installation, controls the descending speed of the device by automatically pulling the first stress rope on the first lever and the second stress rope on the second lever, and can realize the simultaneous escape of a plurality of people.)

1. A speed-controllable fire escape device sliding device is characterized by comprising a main body device and a packaging device; the main body device is matched with the packaging device to form a closing device;

the packaging device comprises an upper shell, an upper friction plate and a lock catch; the upper friction plates are two arc-shaped, and the two upper friction plates are matched to form a semicircle; one end of an upper spring is fixed on each friction plate, and the other end of the upper spring is welded on the upper shell; the upper spring is internally penetrated by a nut, and one end of the nut is fixed on the upper shell; a first groove is formed below the upper shell; the lock catches are fixed on two sides of the upper shell;

the main body device comprises a lower shell, a gear device, a lower friction plate, a locking ring, a claw clamping needle and a lever device; a trapezoidal convex rail is fixed on the lower shell and matched with the first groove of the upper shell; handles are fixed on two sides of the lower shell, the handles are hollow, a locking ring is fixed on the handles in a sliding manner, and the locking ring is in an inverted U shape and is matched with a lock catch of the packaging device; a bearing is fixed in the lower shell, and the gear device is fixed on the bearing; a square frame is fixed at the bottom of the lower shell; the cavel clamping needle is provided with a through hole, and the frame penetrates through the through hole and is movably connected with the cavel clamping needle; the bottom of the lower shell is provided with a first lug which is cylindrical; a second lug and a third lug are fixed on the side surface of the lower shell;

the gear device comprises a slot gear, a brake gear and a central shaft; the clamping groove gear and the brake gear are fixed on the bearing through the central shaft; a brake gear is arranged on one side of the clamping groove gear, a disc is arranged on the other side of the clamping groove gear, and a plurality of convex columns are uniformly distributed on the disc;

the lever device comprises a first lever and a second lever; the first lever is arranged at the bottom of the lower shell by taking the first convex block as a fulcrum, a first stress rope is fixed at one end of the first lever, and the other end of the first lever is positioned below the cavel needle; a first spring is fixed below the first lever, one end of the first spring is fixed at the bottom of the lower shell, and the other end of the first spring is fixed with the first lever; the second lever takes the second convex block as a fulcrum, the middle broken line part penetrates through the ball bearing, and the ball bearing is welded below the second convex block; a second stress rope is fixed at one end of the second lever; the side of the lower shell is provided with a second groove, a second stress rope passes through the second groove, and seal covers are uniformly distributed on the second groove.

2. The sliding device of claim 1, wherein the upper friction plate comprises three upper springs fixed to two of the upper springs and one of the upper springs is fixed to the top of the upper housing.

3. The controlled speed fire escape apparatus of claim 1, wherein the first recess is trapezoidal in shape.

4. The sliding device of claim 1, wherein the locking device is L-shaped and fixed to one side of the upper housing to form a U-shaped fixing groove.

5. The controlled speed fire escape apparatus drop device of claim 1, wherein the diameter of the brake gear is larger than the diameter of the slot gear.

6. The sliding device of claim 1, wherein the claw lock has a sharp corner to lock the slot gear.

7. A speed controllable fire escape apparatus drop device as claimed in claim 1, wherein said second protrusion is located on the central axis of the gear arrangement; the third lug and the convex column which is positioned at the lowest part on the disc are positioned on the same horizontal line.

8. The sliding device of claim 1, wherein the second lever is Z-shaped, the right end of the second lever is connected with the second stress rope, and the left end of the second lever is matched with the convex column on the disc.

9. The sliding device of claim 1, wherein the slot gear is an inward groove; the brake gear is provided with dense rectangular saw teeth on the edge.

Technical Field

The invention relates to a sliding device, in particular to a sliding device for house escape.

Background

With the continuous development of society and the continuous improvement of economic level, high-rise buildings are seen everywhere. The problem of how to escape quickly when a high-rise building is in sudden accident is always a hot point of social attention. If a high-rise building catches fire suddenly, the elevator cannot be used, the stairs are blocked and the like, the elevator cannot fly upwards and cannot jump down, so that sudden disasters occur every year, a lot of people are in distress due to incapability of escaping, most of the reasons are not burned by fire, the people are forced to die by a severe environment polluted by high temperature and fire, and life-saving personnel suffocate or jump to a building to die before arriving. Most people's lives are taken away by smoke, so that the escape device is necessary when accidents such as fire accidents of high-rise buildings occur.

Disclosure of Invention

Based on the above problems, the present invention is directed to overcome the above mentioned problems and to provide a speed-controllable sliding device for a fire escape apparatus, which can automatically control the descending speed through the force-bearing ropes on the first lever and the second lever, and can simultaneously realize the escape of multiple people.

The technical scheme is as follows: a speed-controllable fire escape device sliding device comprises a main body device and a packaging device; the main body device is matched with the packaging device to form a closing device;

the packaging device comprises an upper shell, an upper friction plate and a lock catch; the upper friction plates are two arc-shaped, and the two upper friction plates are matched to form a semicircle; one end of an upper spring is fixed on each friction plate, and the other end of the upper spring is welded on the upper shell; the upper spring is internally penetrated by a nut, and one end of the nut is fixed on the upper shell; a first groove is formed below the upper shell; the two sides of the upper shell are fixed with lock catches;

the main body device comprises a lower shell, a gear device, a lower friction plate, a locking ring, a claw clamping needle and a lever device; a trapezoidal convex rail is fixed on the lower shell and matched with the first groove of the upper shell; handles are fixed on two sides of the lower shell, the handles are hollow, locking rings are fixed on the handles in a sliding mode, and the locking rings are in inverted U shapes and matched with lock catches of the packaging devices; a bearing is fixed in the lower shell, and a gear device is fixed on the bearing; a square frame is fixed at the bottom of the lower shell; the cavel card needle is provided with a through hole, and the frame passes through the through hole and is movably connected with the cavel card needle; the bottom of the lower shell is provided with a first lug which is cylindrical; a second lug and a third lug are fixed on the side surface of the lower shell;

the gear device comprises a slot gear, a brake gear and a central shaft; the clamping groove gear and the brake gear are fixed on the bearing through a central shaft; a brake gear is arranged on one side of the slot gear, a disc is arranged on the other side of the slot gear, and a plurality of convex columns are uniformly distributed on the disc;

a lever device including a first lever and a second lever; the first lever is arranged at the bottom of the lower shell by taking the first convex block as a fulcrum, a first stress rope is fixed at one end of the first lever, and the other end of the first lever is positioned below the cavel needle; a first spring is fixed below the first lever, one end of the first spring is fixed at the bottom of the lower shell, and the other end of the first spring is fixed with the first lever; the second lever takes the second convex block as a fulcrum, the middle broken line part penetrates through the ball bearing, the ball bearing is welded below the second convex block 15 through a steel bar, and a second stress rope is fixed at one end of the second lever; the side of the lower shell is provided with a second groove, a second stress rope passes through the second groove, and seal covers are uniformly distributed on the second groove.

Furthermore, the upper friction plate is fixed with three upper springs, two of the upper springs are fixed with the side surface of the upper shell, and one upper spring is fixed with the top of the upper shell.

Further, the first groove is trapezoidal.

Furthermore, the lock catch is L-shaped and fixed on one side of the upper shell to form a U-shaped fixing groove.

Furthermore, the diameter of the brake gear is larger than that of the clamping groove gear.

Furthermore, the horn clamp needle is provided with a sharp corner for clamping the slot gear.

Further, the second bump is positioned on the central axis of the gear device; the third lug is positioned on the same horizontal line with the lowest convex column positioned on the disk.

Furthermore, the second lever is Z-shaped, the right end of the second lever is connected with the second stress rope, and the left end of the second lever is matched with the convex column on the disc.

Furthermore, the slot gear is provided with an inward groove; the brake gear is provided with dense rectangular saw teeth on the edge.

The invention has simple structure and convenient installation, when an escaper installs the escape rope on a given track for escaping, the escape rope passes through a round hole formed by the upper friction plate and the lower friction plate, the trapezoidal convex rail on the lower shell is matched with the first groove on the upper shell, and the locking ring on the lower shell is matched with the lock catch of the upper shell, at the same time, the upper shell and the lower shell are combined, and the matching compactness of the escape rope and the escape rope can be adjusted by adjusting the nut in the spring on the upper friction plate. After the second lever is installed, the initial position is that one end of the lever is still on the third bulge, the first lever acts with the spring after being installed, and the other end is the highest point of the spring end.

The escaper slides down along the rope, the braking gear rotates under the action of gravity to drive the escape device to move on the rope, when the distance between the escaper and the front escaper is too small, the first stressed rope on the first lever is manually pulled down, the cavum clamping needle is jacked up to be engaged with the clamping groove of the clamping groove gear under the action of the first lever, the clamping groove gear stops rotating, the edge sawteeth of the braking gear and the upper friction plate in the packaging device jointly act to force the escape device to stop on the rope, the safety distance between the escape device and the front escaper is ensured, when the distance is proper, the second stressed rope is pulled down, the stopped braking gear forces the braking gear to reversely rotate under stress and to be disengaged with the cavum clamping needle under the action of the second lever and the cylindrical convex column on the disc, the escape device returns to the initial position of the first lever under the action of gravity after the cavum clamping needle is disengaged, and the escaper can automatically control the distance between the escape device, thereby achieving the purpose of simultaneously escaping for a plurality of people.

Drawings

FIG. 1 is a side view of the present invention;

FIG. 2 is a cross-sectional right side view of the packaging device of the present invention;

FIG. 3 is a schematic view of the mounting structure of the gear assembly of the present invention;

FIG. 4 is a left side view of the main body apparatus of the present invention;

FIG. 5 is a right side view of the main body apparatus of the present invention;

FIG. 6 is a schematic view of the mating structure of the lock catch and the locking ring of the present invention;

FIG. 7 is a schematic view of another angle of engagement of the shackle and locking ring of the present invention;

FIG. 8 is a schematic view of the second lever and ball bearing combination of the present invention;

FIG. 9 is a schematic view of the engagement structure of the cleat of the present invention with the square frame;

FIG. 10 is a schematic view of the gear assembly of the present invention;

FIG. 11 is a schematic view of the structure of the slot gear of the present invention;

FIG. 12 is a schematic view of the brake gear of the present invention.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Referring to fig. 1 to 12, a speed-controllable fire escape apparatus sliding device includes a main body apparatus B and a packing apparatus a; the main body device B is matched with the packaging device A to form a closing device;

the packaging device A comprises an upper shell 2, an upper friction plate 1 and a lock catch 3; the upper friction plate 1 is provided with two arc-shaped upper friction plates which are matched to form a semicircle; three upper springs 4 are fixed on each friction plate, each end of each upper spring 4 is fixed with the upper friction plate 1, and the other end of each upper spring 4 is welded on one side and the top of the upper shell 2; the upper spring 4 is internally penetrated by a nut 41, and one end of the nut is fixed on the upper shell 2; the nuts can be freely rotated to adjust the contact area and tightness degree of the upper friction plate 1 and a rope (as the braking effect is related to the friction force according to a friction force formula f ═ mu N, materials with larger friction coefficients are adopted in the friction plates, and meanwhile, the nuts are properly tightened to increase positive pressure so as to ensure that the braking effect is optimal); a first groove 5 is formed below the upper shell 2, and the first groove is trapezoidal; the two sides of the upper shell are fixed with the lock catches 3 which are L-shaped and fixed on one side of the upper shell 2 to form U-shaped fixing grooves.

The main body device B comprises a lower shell 6, a gear device 7, a lower friction plate 8, a locking ring 9, a claw needle 10 and a lever device; a trapezoidal convex rail 61 is fixed on the lower shell 6 and is matched with the first groove 5 of the upper shell 2; the edge of the trapezoidal convex rail 61 and the edge of the trapezoidal first groove 5 are both smooth curved surfaces, and meanwhile, the convex rail and the groove are made of smooth materials, so that the installation is more rapid and easy to operate on the premise that the safety performance is not affected.

Handles 11 are fixed on two sides of the lower shell 6, the handles are hollow, a locking ring 9 is fixed on the handles 11 in a sliding mode, the locking ring is in an inverted U shape and is matched with a lock catch 3 of the packaging device A, and therefore the upper shell and the lower shell are closed; the whole device is closed through the matching of the lock catch and the lock ring and the matching of the first groove and the trapezoidal convex rail, and the main body device B and the packaging device A cannot be separated when the packaging device is used; a bearing 12 is fixed in the lower shell 6, and a gear device 7 is fixed on the bearing 12; a square frame 13 is fixed at the bottom of the lower shell 6; the cavel needle 10 is provided with a through hole 101, and the frame 13 passes through the through hole and is movably connected with the cavel needle 10; the bottom of the lower shell 6 is provided with a first lug 14, and the first lug 14 is cylindrical; a second lug 15 and a third lug 16 are fixed on the side surface of the lower shell 6; the second projection 15 is located on the central axis of the gear arrangement 7; the third projection 16 is located on the same horizontal line as the lowest projection 75 on the disc 74.

A gear unit 7 including a slot gear 71, a brake gear 72, and a center shaft 73; the slot gear 71 and the brake gear 72 are fixed on the bearing 12 through a central shaft 73; a brake gear 72 is arranged on one side of the slot gear 71, a disc 74 is arranged on the other side of the slot gear 71, and a plurality of convex columns 75 are uniformly distributed on the disc 74; the diameter of the brake gear 72 is larger than that of the slot gear 71; the cavum needle 10 has a sharp corner 102 to lock the cavum gear 71. The slot gear 71 is provided with an inward groove; the brake gear 72 is a toothed wheel with closely spaced rectangular teeth on the edge.

A lever device including a first lever 17 and a second lever 18; the first lever 17 is arranged at the bottom of the lower shell 6 by taking the first bump 14 as a fulcrum, one end of the first lever 17 is fixed with a first stress rope 171, and the other end is positioned below the cavel needle 10; a first spring 172 is further fixed below the first lever 17, one end of the first spring is fixed at the bottom of the lower shell 6, the other end of the first spring is fixed with the first lever 17, the first spring 172 can ensure that the stressed end of the first lever cannot leave the bottom of the lower shell when the first stressed rope is not pulled, and the first lever 17 takes the first bump 14 as a fulcrum; the second lever takes the second lug as a fulcrum, the middle broken line part passes through the ball bearing 184, the upper part of the ball bearing 184 is welded with a steel bar 183, the steel bar 183 is welded right below the second lug 15, and one end of the second lever 18 is fixed with a second stress rope 181; the second lever 18 is Z-shaped, which is shaped so as to prevent it from being blocked and rendered inoperative by the projections 75 of the array on the disc 74; one end of the second stress rope 181 is connected with the other end 182 of the second stress rope is matched with the convex column on the disc. The side of the lower shell 6 is provided with a second groove 19, a second stress rope passes through the second groove, and sealing covers are uniformly distributed on the second groove.