阅读说明：本技术 一种基于人员急救转运空间调节的分体式过床器 (Split type bed passing device based on space adjustment is transported in personnel's first aid ) 是由 胡霜凝 姜丽丹 胡茜 于 2021-08-24 设计创作，主要内容包括：本发明涉及医疗器械技术,用于解决过床器在进行待急救人员的转运时受到空间大小的限制无法进行快速转运的问题,具体为一种基于人员急救转运空间调节的分体式过床器,包括连接板和上支撑杆,所述上支撑杆外侧壁连接有若干个均匀分布的连接板,所述上支撑杆一端设置有拼接机构,所述拼接机构包括连接杆；本发明通过连接套筒和连接杆之间的插接使过床器分为两段,占用空间减小便于进行携带,两段过床器分别通过上支撑杆、转轮、伸缩杆、转轮和上支撑杆依次连接形成一个整体,使分为两段的过床器可通过伸缩杆进行长短大小的调节,且可通过转轮的转动进行水平角度的转动,使过床器更加容易在不同的转运空间内进行待急救人员的转运。(The invention relates to the technology of medical instruments, which is used for solving the problem that a bedder cannot be quickly transported due to the limitation of space size when transporting a person to be first-aid, in particular to a split type bedder based on the regulation of a person first-aid transportation space, which comprises a connecting plate and an upper supporting rod, wherein the outer side wall of the upper supporting rod is connected with a plurality of uniformly distributed connecting plates; the bed passing device is divided into two sections by the insertion between the connecting sleeve and the connecting rod, the occupied space is reduced, the carrying is convenient, the two sections of bed passing devices are respectively connected in sequence through the upper supporting rod, the rotating wheel, the telescopic rod, the rotating wheel and the upper supporting rod to form a whole, the length of the two sections of bed passing devices can be adjusted through the telescopic rod, the rotating wheel can rotate at a horizontal angle, and the bed passing devices can be more easily transported by people to be first-aid in different transporting spaces.)

1. A split type bed-crossing device based on personnel emergency transfer space adjustment comprises a connecting plate (1) and upper supporting rods (2), wherein the upper supporting rods (2) are connected to two sides of the outer side wall of the connecting plate (1) in a plurality of uniform distribution modes, and the split type bed-crossing device is characterized in that one end of each upper supporting rod (2) is provided with a splicing mechanism (3);

the splicing mechanism (3) comprises a connecting rod (32), one end of the upper supporting rod (2) is connected with a supporting ring (35) at a position close to the connecting rod (32), the outer side wall of the supporting ring (35) is connected with a plurality of uniformly distributed limiting rods (31), and one side of the outer side wall of each limiting rod (31) is connected with two inserted rods (37) through a traction rope (38);

a lower support rod is arranged at one end, far away from the connecting plate (1), of the upper support rod (2), a connecting sleeve (36) is connected to one end of the lower support rod at a position corresponding to the connecting rod (32), and a plurality of uniformly distributed holes (34) are formed in the outer side wall of a support ring (35) connected to the position, close to the connecting sleeve (36), of the lower support rod at a position corresponding to the limiting rod (31);

the upper surfaces of the connecting sleeve (36) and the connecting rod (32) are provided with limiting holes (33) corresponding to the positions of the two hauling ropes (38).

2. The split type bed passing device based on personnel emergency transfer space adjustment is characterized in that a bending mechanism (4) is arranged at the position, close to the connecting plate (1), of the upper supporting rod (2); mechanism (4) of buckling includes telescopic link (43), telescopic link (43) both ends all are connected with runner (42), runner (42) lateral wall is kept away from one side of telescopic link (43) is connected go up bracing piece (2) upper surface with telescopic link (43) upper surface is close to runner (42) position department all is connected with spacing frame (41), spacing frame (41) inside wall sliding connection has limiting plate (44), limiting plate (44) upper surface both sides are close to spacing frame (41) position department is connected with the activity and detains (45).

3. The split type device for passing through bed based on personnel emergency transfer space adjustment according to claim 1, characterized in that an adjusting mechanism (5) is arranged at a middle position of the upper surface of the connecting plate (1);

the adjusting mechanism (5) comprises a supporting frame (51), a rolling rod (53) is rotatably connected to the middle position of the inner side wall of the supporting frame (51) through a rotating shaft, two connecting blocks (52) are respectively connected to two sides of the outer side wall of the supporting frame (51), the connecting blocks (52) are connected with adjusting screws (56) through threaded holes formed in the middle position of the upper surface, and first gears (55) are connected below the outer side walls of the adjusting screws (56);

a lifting groove is formed in the position, corresponding to the supporting frame (51), of the upper surface of the connecting plate (1), and movable cavities are formed in the connecting plate (1) and close to two sides of the lifting groove;

a fourth gear (512) is connected to the position, corresponding to the movable cavity, in the connecting plate (1), a supporting seat (54) is connected to the middle position of two adjacent fourth gears (512) on the lower surface of the supporting frame (51), a rotating rod (57) is connected to the position, close to the fourth gears (512), in the connecting plate (1), and a second gear (58) is connected to the position, corresponding to the fourth gears (512), of the outer side wall of the rotating rod (57);

connecting plate (1) lateral wall one side intermediate position department is connected with regulation pole (510), adjust pole (510) lateral wall with dwang (57) lateral wall is close to second gear (58) position department all is connected with third gear (59), dwang (57) with third gear (59) on adjusting pole (510) lateral wall carry out the transmission through transmission hinge (511) and connect.

4. The split type device for passing through bed based on space adjustment is transported in personnel's first aid of claim 2, characterized in that, limiting plate (44) upper surface is seted up flexible groove to the activity knot (45) position department that corresponds, flexible inslot portion lower surface intermediate position department is connected with the spring, and the upper end and the activity of spring are detained (45) and are connected, and the activity is detained (45) and is located the one end of flexible inslot portion and be connected with the limiting plate.

5. The split type device for passing through bed based on personnel's first aid transport space adjustment of claim 3, characterized in that, the both ends of the adjusting screw rod (56) are connected on the inside upper and lower surfaces of the movable cavity at both sides of the lifting groove inside the connecting plate (1) through rotating seats respectively, and the extending directions of the screw threads of the adjusting screw rod (56) connected at both sides of the supporting frame (51) are opposite.

6. The split type bed passing device based on personnel emergency transfer space adjustment according to claim 3, wherein the fourth gear (512) is a bevel gear, and a hexagonal bolt hole is formed in the middle position of one end of the adjusting rod (510) exposed to the outside of the connecting plate (1).

Technical Field

The invention relates to the technology of medical instruments, in particular to a split type bed passing device based on the regulation of a personnel emergency transfer space.

Background

The problem that bedridden patients are difficult to transfer is troubling the medical care industry for many years, when the patients are transferred from one position to another position, not only are more hands needed to carry the patients, but also the transfer of the personnel is limited due to the fact that the passable space of a hospital is small, if an improper carrying method is provided in the transferring process of the patients, the patients are injured secondarily, and even the original condition of the patients is aggravated.

The patent with application number CN201922173589.6 specifically is a medical rolling type bed passing device, and a plurality of uniformly distributed rollers are added on the lower surface of the bed passing device, so that when the bed passing device moves on a bed surface, the situation of difficult movement caused by the fact that the bed surface is soft is avoided.

The patent also has the technical problems that:

the size of the space on the transfer path is fixed when the first-aid transfer of the personnel is carried out, and the size of the space on the transfer path is limited, and the size of the space on the size of the space on the transfer path is required to be kept horizontal at any time when the first-aid transfer of the personnel is carried out, so that the area which is inconvenient to pass through cannot be passed through in an inclined mode, and inconvenience is brought to the first-aid transfer operation of the first-aid personnel.

In view of the above technical problem, the present application proposes a solution.

Disclosure of Invention

The invention aims to solve the problem that the transfer of personnel to be first-aid is limited by space size and cannot be carried out quickly when the transfer is carried out, and provides a split type transfer based on personnel first-aid transfer space adjustment.

The purpose of the invention can be realized by the following technical scheme:

a split type bed-crossing device based on personnel emergency transfer space adjustment comprises a connecting plate and upper supporting rods, wherein the upper supporting rods are connected to two sides of the outer side wall of the connecting plate and are uniformly distributed;

the splicing mechanism comprises a connecting rod, one end of the upper supporting rod is connected with a supporting ring at a position close to the connecting rod, the outer side wall of the supporting ring is connected with a plurality of uniformly distributed limiting rods, and one side of the outer side wall of each limiting rod is connected with two inserted rods through a traction rope;

a lower support rod is arranged at one end of the upper support rod, which is far away from the connecting plate, a connecting sleeve is connected with one end of the lower support rod at a position corresponding to the connecting rod, and a plurality of uniformly distributed holes are formed in the position, corresponding to the limiting rod, of the outer side wall of the support ring, which is connected with the lower support rod at a position close to the connecting sleeve, of the lower support rod;

the upper surfaces of the connecting sleeve and the connecting rod are provided with limiting holes corresponding to the positions of the two hauling ropes.

As a preferred embodiment of the present invention, a bending mechanism is disposed at a position of the upper supporting rod close to the connecting plate;

the mechanism of buckling includes the telescopic link, the telescopic link both ends all are connected with the runner, the runner lateral wall is kept away from one side of telescopic link is connected go up the bracing piece upper surface with the telescopic link upper surface is close to runner position department all is connected with spacing frame, spacing frame inside wall sliding connection has the limiting plate, limiting plate upper surface both sides are close to spacing frame position department is connected with the activity and detains.

As a preferred embodiment of the invention, an adjusting mechanism is arranged in the middle position of the upper surface of the connecting plate;

the adjusting mechanism comprises a supporting frame, a rolling rod is rotatably connected to the middle position of the inner side wall of the supporting frame through a rotating shaft, two connecting blocks are respectively connected to two sides of the outer side wall of the supporting frame, the connecting blocks are connected with adjusting screws through threaded holes formed in the middle positions of the upper surfaces of the connecting blocks, and a first gear is connected to the lower portion of the outer side wall of each adjusting screw;

a lifting groove is formed in the position, corresponding to the support frame, of the upper surface of the connecting plate, and movable cavities are formed in the connecting plate, close to two sides of the lifting groove;

a fourth gear is connected to the position, corresponding to the movable cavity, in the connecting plate, a supporting seat is connected to the position, between two adjacent fourth gears, of the lower surface of the supporting frame, a rotating rod is connected to the position, close to the fourth gear, in the connecting plate, and a second gear is connected to the position, corresponding to the fourth gear, of the outer side wall of the rotating rod;

the utility model discloses a gear transmission device, including connecting plate lateral wall, dwang, connecting plate lateral wall, regulation pole lateral wall, the dwang lateral wall with the dwang lateral wall is close to second gear position department all is connected with the third gear, the dwang with third gear on the regulation pole lateral wall carries out the transmission through the transmission hinge and connects.

As a preferred embodiment of the present invention, a telescopic slot is formed in the upper surface of the limiting plate at a position corresponding to the position of the movable buckle, a spring is connected to the middle position of the lower surface inside the telescopic slot, the upper end of the spring is connected to the movable buckle, and a limiting plate is connected to one end of the movable buckle inside the telescopic slot.

As a preferred embodiment of the present invention, two ends of the adjusting screw are respectively connected to the upper and lower surfaces of the interior of the movable cavities at two sides of the lifting groove in the connecting plate through rotating seats, and the screw threads of the adjusting screws connected to two sides of the supporting frame extend in opposite directions.

In a preferred embodiment of the present invention, the fourth gear is a bevel gear, and a hexagonal bolt hole is formed in a middle position of one end of the adjusting rod exposed to the outside of the connecting plate.

Compared with the prior art, the invention has the beneficial effects that:

1. the two sections of the bed passing devices are connected together in a manner that the two sections of connecting sleeves and the connecting rods at the opposite ends are mutually inserted to form a complete bed passing device, so that the bed passing device is convenient for carrying and moving the positions of personnel;

2. when the emergency personnel moves the position of the emergency personnel to be treated by the bed passing device, when the emergency personnel cannot move in a narrow area due to the limitation of the length of the bed passing device, the emergency personnel can carry out proper length adjustment through the telescopic rod, so that the length of the bed passing device is shortened, the area can be conveniently passed, and the emergency personnel can take out the limiting plates at the corresponding positions on the two sides of the bed passing device at the clamping position when the bed passing device passes through the narrow area from the inner side of the limiting frame, so that the rotating wheels at the position are not limited, the angle can be rotatably adjusted, the bed passing device can carry out angle deflection adjustment, and the bed passing device can conveniently keep a horizontal state to pass through the area;

3. first-aid staff's accessible corresponds the instrument and inserts hexagon bolt hole inboard and rotate on adjusting the pole, make the third gear of connection on adjusting the pole rotate, and through the transmission hinge, the effect of second gear and fourth gear drives adjusting screw and rotates, it is difficult to take place to rotate under the restriction of lifting groove to make the carriage of connecting on the adjusting screw lateral wall through the connecting block, can only carry out reciprocating of position, make the carriage inboard roll rod of connecting rotate along with adjusting rod's rotation rebound through the pivot, expose to the lifting groove outside, make two sections of bed passing devices when inserting and treating first-aid staff health below, contact with the roll rod, the roll rod rolls by the friction, and the frictional action between treating first-aid staff is less, can not cause the discomfort for treating first-aid staff because of the friction is great.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a main body structure view of the present invention;

FIG. 2 is a block diagram of the adjustment mechanism of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present invention;

FIG. 5 is a view showing the construction of a connecting plate of the present invention;

FIG. 6 is a block diagram of the adjustment mechanism of the present invention;

fig. 7 is a bottom view of fig. 6 according to the present invention.

In the figure: 1. a connecting plate; 2. an upper support rod; 3. a splicing mechanism; 31. a limiting rod; 32. a connecting rod; 33. a limiting hole; 34. a hole; 35. a support ring; 36. a connecting sleeve; 37. inserting a rod; 38. a hauling rope; 4. a bending mechanism; 41. a limiting frame; 42. a rotating wheel; 43. a telescopic rod; 44. a limiting plate; 45. a movable buckle; 5. an adjustment mechanism; 51. a support frame; 52. connecting blocks; 53. a roll bar; 54. a supporting seat; 55. a first gear; 56. adjusting the screw rod; 57. rotating the rod; 58. a second gear; 59. a third gear; 510. adjusting a rod; 511. a drive hinge; 512. a fourth gear.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1 and 3, a split type bed-crossing device based on space adjustment for personnel emergency transportation comprises a connecting plate 1 and an upper supporting rod 2, the outer side wall of the upper supporting rod 2 is connected with a plurality of uniformly distributed connecting plates 1, one end of the upper supporting rod 2 is provided with a splicing mechanism 3, the splicing mechanism 3 comprises a connecting rod 32, one end of the upper supporting rod 2 is connected with a supporting ring 35 near the connecting rod 32, the outer side wall of the supporting ring 35 is connected with a plurality of uniformly distributed limiting rods 31, the length of the limiting rods 31 is larger than the minimum distance between the two sections of upper supporting rings 35 of the bed-crossing device, one side of the outer side wall of the limiting rods 31 is connected with two inserted rods 37 through a traction rope 38, the inserted rods 37 connected through the traction rope 38 cannot fall and lose, one end of the lower supporting rod is connected with a connecting sleeve 36 corresponding to the position of the connecting rod 32, the inner diameter of an opening on the inner side of the connecting sleeve 36 is equal to the outer diameter of the connecting rod 32, the connecting sleeve 36 and the connecting rod 32 are not easy to shake after being spliced, a plurality of holes 34 which are uniformly distributed are formed in the position, corresponding to the limiting rod 31, of the outer side wall of the supporting ring 35 which is connected with the position, close to the connecting sleeve 36, of the lower supporting rod, the inner diameter of each hole 34 is the same as the outer diameter of the limiting rod 31, the limiting rod 31 can be tightly contacted with the holes 34 without shaking after being inserted into the holes 34, limiting holes 33 are formed in the positions, corresponding to the two traction ropes 38, of the upper surfaces of the connecting sleeve 36 and the connecting rod 32, the limiting holes 33 are formed in the connecting sleeve 36 and the connecting rod 32, the positions of the limiting holes 33 in the connecting sleeve 36 and the connecting rod 32 can be aligned with each other after the connecting sleeve 36 and the connecting rod 32 are spliced, the inserting of the inserting rod 37 is facilitated, the outer diameter of the inserting rod 37 is the same as the inner diameter of the limiting holes 33, and the upper end of the inserting rod 37 is connected with a circular plate which is larger than the inner diameter of the limiting holes 33, after the insertion rod 37 is inserted into the limiting hole 33, the positions of the inserted connecting sleeve 36 and the connecting rod 32 can be limited, and the connecting sleeve 36 and the connecting rod 32 cannot be separated from each other;

the two sections of the bed passing device are connected together in a manner that the two sections of the bed passing device are oppositely connected with the connecting sleeve 36 and the connecting rod 32 at one end in an inserted manner to form a complete bed passing device, so that the bed passing device is convenient for carrying and moving the position of a person, is more compact and short, and is convenient for moving the person at the position where the number of the persons is large and the space is narrow.

Example 2:

the length of the bed passing device is fixed and is about the size of an adult, so that the bed passing device is easily limited by the space of a person to be first-aid when the bed passing device carries the person to be first-aid in first-aid, and the bed passing device needs to be kept in a constantly horizontal state in the carrying process, so that the person to be first-aid placed above the bed passing device is prevented from sliding off from the upper part of the bed passing device, and the bed passing device is inconvenient to move;

referring to fig. 1-2 and 4, a bending mechanism 4 is disposed at a position of the upper support rod 2 close to the connection plate 1, the bending mechanism 4 includes an expansion rod 43, two ends of the expansion rod 43 are both connected with rotating wheels 42, the rotating wheels 42 are two upper and lower sections connected through an intermediate connection shaft and rotating, so that the expansion rod 43 and the upper support rod 2 respectively connected to the upper and lower sections of the rotating wheels 42 can rotate around the rotating wheels 42 as a center, a position limiting frame 41 is connected to a position of an upper surface of the upper support rod 2 and a position of an upper surface of the expansion rod 43 close to the rotating wheels 42, which are connected to a side of an outer side wall of the rotation wheel 42, and a length and a width of a sliding hole formed in an inner side of the position limiting frame 41 are the same as those of a cross section of the position limiting plate 44, so that the position limiting plate 44 inside the position limiting frame 41 is not prone to shake, a position limiting plate 44 is slidably connected to an inner side wall of the position limiting frame 41, and a length of the position limiting plate 44 is greater than that an upper surface of the upper support rod 2 and an upper surface of the expansion rod 43 are close to the rotating wheels 42, and a position of the rotating wheels 42 The distance between two limit frames 41 connected in a locating way is large, movable buckles 45 are connected to the two sides of the upper surface of the limit plate 44 close to the limit frames 41, telescopic grooves are formed in the upper surface of the limit plate 44 corresponding to the positions of the movable buckles 45, springs are connected to the middle positions of the lower surface inside the telescopic grooves, the upper ends of the springs are connected with the movable buckles 45, one ends of the movable buckles 45, located inside the telescopic grooves, are connected with limiting plates, the width of the limiting plates is larger than that of openings at the upper ends of the telescopic grooves, the movable buckles 45 are not prone to being separated from the inside of the telescopic grooves under the limitation of the limiting plates, the movable buckles 45 are connected with the springs through the lower limiting plates and move on the inner sides of the telescopic grooves under the limitation of the limiting plates;

first-aid staff utilizes the bed passing device when treating first-aid staff and carries out the position removal, receive the restriction of bed passing device length in narrower region and can't remove the time, accessible telescopic link 43 carries out appropriate length adjustment, make the length of bed passing device shorten, be convenient for carry out this regional passing through, and the accessible blocks when passing the bed device through narrow region that limiting plate 44 of the corresponding position in both sides on the bed passing device of position department follows the inboard taking out of spacing frame 41, the runner 42 unrestricted rotation that can carry out the angle of messenger this position department is adjusted, the bed passing device can carry out the regulation of angle deflection, it passes through this region to be convenient for the bed passing device to keep the horizontality.

Example 3:

when an emergency worker places a person to be first-aid on the bed passing device, one side of the bed passing device is placed below a bed sheet below the body of the person to be first-aid, the body of the person to be first-aid above the bed sheet is moved to the position above the bed passing device by dragging the bed sheet, and the person to be first-aid has large friction with the bed passing device when moving the body, so that the person to be first-aid is prone to causing discomfort;

referring to fig. 1 and 5-7, an adjusting mechanism 5 is disposed at a middle position of an upper surface of a connecting plate 1, the adjusting mechanism 5 includes a supporting frame 51, a rolling rod 53 is rotatably connected at a middle position of an inner side wall of the supporting frame 51 through a rotating shaft, two connecting blocks 52 are respectively connected at two sides of an outer side wall of the supporting frame 51, the connecting blocks 52 are connected with an adjusting screw 56 through a threaded hole formed at the middle position of the upper surface, when the adjusting screw 56 rotates, the supporting frame 51 connected at an outer side of the adjusting screw 56 through the connecting blocks 52 can move up and down under the restriction of a lifting groove, a first gear 55 is connected below the outer side wall of the adjusting screw 56, the first gear 55 and a fourth gear 512 are mutually embedded and driven to rotate through the fourth gear 512, the upper surface of the connecting plate 1 is provided with a lifting groove corresponding to the position of the supporting frame 51, the length and width of the lifting groove are the same as the length and width of the supporting frame 51, so that the supporting frame 51 will not shake when moving in the lifting groove and will not separate from the lifting groove due to the restriction of the connecting blocks 52 on both sides in the movable cavity, and the connecting plate 1 has movable cavities on both sides near the lifting groove, the upper and lower ends of the adjusting screw 56 are connected to the upper and lower surfaces of the movable cavity through rotating seats respectively, the connecting plate 1 has a fourth gear 512 connected to the corresponding position of the movable cavity, a supporting seat 54 is connected to the middle position of two adjacent fourth gears 512 on the lower surface of the supporting frame 51, two fourth gears 512 are connected to the supporting seat 54 through rotating shafts to rotate, so that the rotating speeds of the two fourth gears 512 are the same, a rotating rod 57 is connected to the position near the fourth gear 512 in the connecting plate 1, and a second gear 58 is connected to the position of each supporting frame 51 on the outer side wall of the rotating rod 57, the outer side wall of the rotating rod 57 is connected with a second gear 58 at a position corresponding to the fourth gear 512, the second gear 58 is embedded with the fourth gear 512 to drive the fourth gear 512 to rotate, the middle position of one side of the outer side wall of the connecting plate 1 is connected with an adjusting rod 510, the outer side walls of the adjusting rod 510 and the outer side wall of the rotating rod 57 are connected with third gears 59 at positions close to the second gear 58, the rotating rod 57 and the third gears 59 on the outer side walls of the adjusting rod 510 are in transmission connection through transmission hinges 511, and the two third gears 59 connected on the outer side walls of the adjusting rod 510 are in transmission connection with the third gears 59 on the rotating rods 57 at two sides through the transmission hinges 511 respectively, so that the adjusting rods 56 with opposite thread extending directions on two sides of the lower surface of the supporting frame 51 can be driven to rotate through the rotation of the adjusting rod 510, and the supporting frame 51 can be horizontally and slowly moved upwards under the action of the adjusting rods 56;

the emergency personnel can insert the corresponding tool into the hexagonal bolt hole on the adjusting rod 510 and rotate the same, so that the third gear 59 connected to the adjusting rod 510 rotates, the third gear 59 connected to the rotating rod 57 is driven to rotate by the transmission hinge 511 connected to the outer side of the third gear 59 on the adjusting rod 510, the third gear 59 on the adjusting rod 510 and the third gear 59 on the rotating rod 57 are positioned on the same vertical plane, the second gear 58 connected to the rotating rod 57 drives the fourth gear 512 which is embedded with the second gear 58 to rotate, the fourth gear 512 is a bevel gear which is positioned on the same vertical plane with the second gear 58 and is perpendicular to the first gear 55, the fourth gear 512 which rotates under the support of the support base 54 drives the first gear 55 connected to the adjusting screw 56 to rotate, and the adjusting screw 56 rotates in the connecting plate 1, connecting block 52 connected on adjusting screw 56 lateral wall through mutual gomphosis of screw thread is difficult to take place to rotate under braced frame 51's restriction, make braced frame 51 with connecting block 52 integrated into one piece carry out the reciprocating of position under the restriction of lift groove, make braced frame 51 inboard rotate the rotation of connecting through the pivot and move up along with the rotation of adjusting lever 510, expose to the lift groove outside, make two sections of bed passing devices when inserting treat first-aid staff's health below, contact with roll rod 53, roll rod 53 receives the friction and rolls, and the friction between treating first-aid staff is less, can not cause the discomfort for treating first-aid staff because of the friction is great.

The two sections of bed passing devices are respectively composed of two upper supporting rods 2 and a connecting plate 1 and a lower supporting rod and a connecting plate 1.

When the invention is used, an emergency worker can insert a corresponding tool into the inner side of a hexagonal bolt hole on the adjusting rod 510 and rotate the same, so that the third gear 59 connected to the adjusting rod 510 rotates, the third gear 59 connected to the rotating rod 57 is driven by the transmission hinge 511 to rotate, the second gear 58 connected to the rotating rod 57 drives the fourth gear 512 mutually embedded with the second gear 58 to rotate, the rotating fourth gear 512 drives the first gear 55 connected to the adjusting screw 56 to rotate, the adjusting screw 56 is in the rotating process, the support frame 51 connected to the outer side of the adjusting screw 56 by the connecting block 52 is difficult to rotate under the limitation of the lifting groove, the support frame 51 moves up and down under the limitation of the lifting groove, the rolling rod 53 rotatably connected to the inner side of the support frame 51 by the rotating shaft moves upwards along with the rotation of the adjusting rod 510, exposed to the outer side of the lifting groove, when two sections of the bed passing device are inserted into the lower part of the body of a person to be first-aid, the rolling rod 53 rolls by friction, the friction effect between the two sections of the bed passing device and the person to be first-aid is small, discomfort can not be caused to the person to be first-aid, the two sections of the bed passing device are inserted into the inner side of the connecting sleeve 36 on one end of the other section through the connecting rod 32 on one end, after connection, the inserting rod 37 connected onto the limiting rod 31 through the traction rope 38 is inserted into the connecting rod 32 and the inner side of the limiting hole 33 formed on the connecting sleeve 36, position limitation can be carried out, the limiting rod 31 connected onto the supporting ring 35 on one section of the bed passing device can be inserted into the inner side of the hole 34 on the supporting ring 35 on the other section of the bed passing device, the pressure effect on the connection part of the two sections of the bed passing device is reduced, and the bed passing device can control the extension length of the telescopic rod 43 in the process of carrying and transferring the person to be first-aid, the messenger carries out the length size that the two sections of the ware of crossing that connects into through telescopic link 43 and obtains adjusting, the length size of the ware of crossing after the concatenation is shortened when guaranteeing to treat first-aid staff stable transport, be convenient for treat first-aid staff's transfer in the space of difference, when meetting the great region of degree of bending in the handling, the accessible will cross the limiting plate 44 that the ware is difficult to correspond through position department and take out from spacing frame 41 inboard, make limiting plate 44 no longer restrict runner 42's angular rotation, make the rotation of crossing the ware accessible runner 42 carry out slight bending, be convenient for remove from the great region of degree of bending, it can not follow the ware of crossing and drop to guarantee constantly to treat first-aid staff in the removal process.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.