CN214434850U

CN214434850U - Emergency stretcher

Info

Publication number: CN214434850U
Application number: CN202120194942.3U
Authority: CN
Inventors: 邵敏祯; 汤伟芬
Original assignee: Changzhou TCM Hospital
Current assignee: Changzhou TCM Hospital
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-22
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses an emergency stretcher, which comprises quick-release handrails, two buttons are arranged at the upper ends of the quick-release handrails, a bed plate is arranged at the lower ends of the two quick-release handrails, the front end of the bed plate is movably connected with an adjusting backrest, the lower end of the adjusting backrest is movably connected with two supporting frames, a moving rod is fixedly arranged at the lower ends of the two supporting frames, threaded columns are arranged at the two sides of the moving rod, a driven gear is arranged at the front end of each threaded column, a driven gear is arranged at one side of the driven gear, a driving gear is arranged at the inner side of the driven gear, a driving shaft is arranged at the inner side of the driving gear, a gear box is arranged at the outer side of the driven gear, a bed plate is arranged at the lower end of the bed plate, leg frames are fixedly arranged at the four end angles of the lower end surface of the bed plate, and damping universal wheels are fixedly arranged at the lower ends of the leg frames, the device simple structure, convenient operation has improved the stability and the security of device, has strengthened the availability factor of device.

Description

Emergency stretcher

Technical Field

The utility model relates to a stretcher technical field, more specifically say, it relates to an emergency stretcher.

Background

A stretcher is a tool for lifting and conveying patients and wounded persons in hospitals or army, and bamboo, wood, metal and the like are used as a frame, and canvas or ropes are stretched in the middle.

As an emergency stretcher disclosed in chinese patent document (application No. 201820439447.2), although the stretcher is effective in extension and retraction, the problem of transferring the wounded on the stretcher is not solved, and when the wounded on the stretcher needs to be transferred to a hospital bed or an operating table by medical staff, the transfer is more portable, and the wounded is not secondarily injured during the transfer, and the back of the wounded needs to be supported in some special cases, so that an emergency stretcher convenient for transferring the patient is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an emergency stretcher which has the characteristics of convenient transfer of wounded on the stretcher, detachable bed board of the stretcher, capability of supporting the back of the wounded and the like.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an emergency stretcher, including the quick detach handrail, two buttons are installed to the upper end of quick detach handrail, No. one bed board is installed to the lower extreme of two quick detach handrails, the front end swing joint of a bed board has the regulation back, the lower extreme swing joint of adjusting the back has two support frames, the lower extreme fixed mounting of two support frames has the carriage release lever, the screw thread post is all installed to the both sides of carriage release lever, No. one driven gear is installed to the front end of screw thread post, No. two driven gear are installed to one side of a driven gear, the driving gear is installed to two No. two driven gear's inboard, the driving shaft is installed to the inboard of driving gear, the front end fixed mounting of driving shaft has the handle, the gear box is installed in two driven gear's the outside, No. two bed boards are installed to the lower extreme of bed board, equal fixed mounting in four end angle departments of terminal surface has the leg frame under No. two bed boards, the lower extreme fixed mounting of leg frame has the shock attenuation universal wheel.

Through the technical scheme, different angles are adjusted through the adjusting backrest at the front end of the bed plate, so that the support for the back of the wounded is effectively enhanced, and the use comfort level is improved

Furthermore, the quick-release handrail is connected with the button through a sliding chute, and one end of the button is provided with a return spring positioned on the inner wall of the sliding chute of the quick-release handrail;

through above-mentioned technical scheme, through the cooperation of spout and quick detach handrail, effectively improved the stability that the device is connected.

Furthermore, the quick-release handrail is connected with the first bed plate through a first sliding groove, first limiting slide blocks are arranged on two sides of the first sliding groove, the quick-release handrail is connected with the second bed plate through a second sliding groove, and second limiting slide blocks are arranged on two sides of the second sliding groove;

through above-mentioned technical scheme, through two spacing slider of spout both sides installation, security when effectively having improved the device and using.

Furthermore, the support frame and the moving rod are of an integrated structure, thread grooves are formed in the two sides of the moving rod, and the moving rod is connected with the thread columns through the thread grooves;

through above-mentioned technical scheme, through the connection of thread groove, effectively strengthened the stability that the device is connected, strengthened the security when using.

Furthermore, the first bed plate is connected with the handle through a cylindrical groove, the first bed plate is connected with the gear box through a bolt, the driving shaft and the handle are of an integrated structure, the driving shaft is connected with the gear box through the cylindrical groove, the second bed plate is connected with the leg frame through a bolt, and the leg frame is connected with the damping universal wheel through a bolt;

through above-mentioned technical scheme, through the connection of bolt, strengthened the stability that the device is connected, be convenient for change when individual part damages.

Furthermore, the threaded column and the first driven gear are of an integrated structure, the driving gear is connected with the driving shaft in a clamping mode, the first driven gear is meshed with the second driven gear, and the inner sides of the two second driven gears are meshed with the driving gear;

through above-mentioned technical scheme, through the integral structure of screw thread post and driven gear, effectively improved device life, increased service life.

Furthermore, a first limiting spring positioned on the inner wall of the first sliding groove is installed on one side of the first limiting sliding block, and a second limiting spring positioned on the inner wall of the second sliding groove is installed on one side of the second limiting sliding block;

through above-mentioned technical scheme, through the spacing spring of both sides, effectively strengthened the spacing ability of device, improved the portability.

To sum up, the utility model discloses following beneficial effect has:

1. move and to No. two limit slide of both sides extrusion through the inside spout of button along the quick detach handrail, after a locating position of button decline, No. two limit slide are extruded in the quick detach handrail under the effect of button, can hold the quick detach handrail this moment and upwards mention and break away from the quick detach handrail with No. two bed boards, continue upwards to mention the quick detach handrail, after the quick detach handrail rebound certain distance, a limit slide gets into the spacing inslot of quick detach handrail under the effect of a spacing spring, carry on spacingly to the quick detach handrail, quick detach handrail and a bed board are as an organic whole this moment, reached and be convenient for directly shift wounded even No. one bed board simultaneously, prevent to cause the purpose of secondary injury to the wounded.

2. The rotation of the driving shaft that has driven through the rotation of handle, the rotation of driving gear has been driven through the rotation of driving shaft, the rotation of driven gear has No. two through the rotation of driving gear has driven, driven gear's rotation has been driven through No. two driven gear's rotation, the rotation of screw thread post has been driven through driven gear's rotation, the removal of carriage release lever has been driven through the rotation of screw thread post, the angle of adjusting the back has been changed through the removal of carriage release lever, the device simple structure is reliable, and convenient for operation has improved portability and the stability of use.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the handle of the present invention;

fig. 3 is a sectional view of the first bed board of the present invention;

fig. 4 is a sectional view of the gear box of the present invention.

In the figure: 1. a quick release handrail; 2. a button; 3. a first bed board; 4. adjusting the backrest; 5. a support frame; 6. a travel bar; 7. a threaded post; 8. a first driven gear; 9. a second driven gear; 10. a driving gear; 11. a drive shaft; 12. a handle; 13. a gear case; 14. a second bed board; 15. a leg frame; 16. a shock-absorbing universal wheel; 17. a first chute; 18. a first limiting sliding block; 19. a second chute; 20. a second limiting sliding block; 21. a first limit spring; 22. and a second limit spring.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-4.

Referring to fig. 1-4, the present invention provides a technical solution: the quick-release handrail comprises a quick-release handrail 1, two buttons 2 are installed at the upper end of the quick-release handrail 1, a bed plate 3 is installed at the lower ends of the two quick-release handrails 1, an adjusting backrest 4 is movably connected at the front end of the bed plate 3, two supporting frames 5 are movably connected at the lower end of the adjusting backrest 4, a moving rod 6 is fixedly installed at the lower ends of the two supporting frames 5, threaded columns 7 are installed on two sides of the moving rod 6, a driven gear 8 is installed at the front end of each threaded column 7, a driven gear 9 is installed on one side of the driven gear 8, a driving gear 10 is installed on the inner side of each driven gear 9, a driving shaft 11 is installed on the inner side of each driving gear 10, a handle 12 is fixedly installed at the front end of each driving shaft 11, a gear box 13 is installed on the outer side of each driven gear 8, a bed plate 14 is installed at the lower end of the bed plate 3, and leg frames 15 are fixedly installed at four end angles of the lower end surface of the bed plate 14, the lower end of the leg frame 15 is fixedly provided with a damping universal wheel 16, and different angles are adjusted through the adjusting backrest at the front end of the bed plate 3 through the technical scheme, so that the support for the back of the wounded is effectively enhanced, and the use comfort is improved;

as shown in fig. 2, the quick release handrail 1 is connected with the button 2 through a sliding groove, and one end of the button 2 is provided with a return spring 8 positioned on the inner wall of the sliding groove of the quick release handrail 1, so that the connection stability of the device is effectively improved through the matching of the sliding groove and the quick release handrail 1;

as shown in fig. 2, the quick release handrail 1 is connected with the first bed plate 3 through the first sliding groove 17, the first limiting slide blocks 18 are mounted on two sides of the first sliding groove 17, the quick release handrail 1 is connected with the second bed plate 14 through the second sliding groove 19, and the second limiting slide blocks 20 are mounted on two sides of the second sliding groove 19;

as shown in fig. 1-3, the support frame 5 and the moving rod 6 are of an integrated structure, both sides of the moving rod 6 are provided with thread grooves, and the moving rod 6 is connected with the thread column 7 through the thread grooves.

As shown in fig. 3, the first bed plate 3 is connected with the handle 12 through a cylindrical groove, the first bed plate 3 is connected with the gear box 13 through a bolt, the driving shaft 11 and the handle 12 are of an integrated structure, the driving shaft 11 and the gear box 13 are connected through a cylindrical groove, the second bed plate 14 and the leg frame 15 are connected through a bolt, the leg frame 15 and the damping universal wheel 16 are connected through a bolt, and through the technical scheme, the stability of device connection is enhanced through the connection of the bolt, and the replacement is convenient when individual parts are damaged.

As shown in figure 4, threaded column 7 and driven gear 8 are integrated structure, driving gear 10 passes through the joint with driving shaft 11 and is connected, driven gear 8 meshes with No. two driven gear 9, and the inboard and the driving gear 10 meshing of two driven gear 9, through above-mentioned technical scheme, through threaded column 7 and driven gear 8's integrated structure, effectively improved device life, increased life.

As shown in figure 2, a first limiting spring 21 located on the inner wall of the first sliding groove 17 is installed on one side of the first limiting sliding block 18, a second limiting spring 22 located on the inner wall of the second sliding groove 19 is installed on one side of the second limiting sliding block 20, and through the technical scheme, the limiting capacity of the device is effectively enhanced through the action of the limiting springs 21 on the two sides, and the portability is improved.

The working principle is as follows: when in use, a medical staff grasps the quick-release armrests 1 at two sides of the stretcher, the stretcher is moved through the damping universal wheels 16 at the lower end of the stretcher, after the stretcher is moved to a required position, the medical staff simultaneously presses down the two buttons 2 at the upper ends of the quick-release armrests 1, at the moment, the buttons 2 move along the sliding grooves in the quick-release armrests 1 and press the second limiting slide blocks 20 towards two sides, after the buttons 2 descend for a certain position, the second limiting slide blocks 20 are extruded out of the quick-release armrests 1 under the action of the buttons 2, at the moment, the quick-release armrests 1 can be held and lifted upwards to separate the quick-release armrests 1 from the second bed plate 14, the quick-release armrests 1 are continuously lifted upwards, after the quick-release armrests 1 move upwards for a certain distance, the first limiting slide block 18 enters the limiting grooves of the quick-release armrests 1 under the action of the first limiting springs 21 to limit the quick-release armrests 1, at the moment, the quick-release armrests 1 and the first bed plate 3 are integrated, be convenient for directly shift wounded even No. 3 bed boards simultaneously, can not cause secondary damage to wounded, the device's security has been strengthened, shift wounded and bed board 3 to suitable position after, press two buttons 2 of 1 upper end of quick detach handrail downwards simultaneously, button 2 removes and extrudees a limit slide 18 to both sides along the inside spout of quick detach handrail 1 this moment, after 2 decline locating positions of button, a limit slide 18 is extruded in quick detach handrail 1 under the effect of button 2, can hold quick detach handrail 1 this moment and upwards mention and break away from quick detach handrail 1 and bed board 3, be convenient for carry out further treatment to the patient.

Medical personnel hold and rotate handle 12, the rotation of driving shaft 11 that has driven through the rotation of handle 12, the rotation through driving shaft 11 has driven the rotation of driving gear 10, the rotation through driving gear 10 has driven the rotation of No. two driven gear 9, the rotation through No. two driven gear 9 has driven the rotation of No. one driven gear 8, the rotation through No. one driven gear 8 has driven the rotation of screw thread post 7, the rotation through screw thread post 7 has driven the removal of carriage release lever 6, the removal through carriage release lever 6 has changed the angle of adjusting back 4, the device simple structure, and convenient operation, the portability and the stability of use have been improved, the availability factor has been increased.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an emergency stretcher, includes quick detach handrail (1), its characterized in that: two buttons (2) are installed at the upper end of the quick-release handrail (1), a bed plate (3) is installed at the lower end of the quick-release handrail (1), a backrest (4) is adjusted through the front end swing joint of the bed plate (3), two support frames (5) are movably connected at the lower end of the backrest (4), two movable rods (6) are fixedly installed at the lower ends of the support frames (5), threaded columns (7) are installed on the two sides of the movable rods (6), a driven gear (8) is installed at the front end of each threaded column (7), a second driven gear (9) is installed at one side of each driven gear (8), driving gears (10) are installed at the inner sides of the second driven gears (9), a driving shaft (11) is installed at the inner sides of the driving gears (10), and a handle (12) is fixedly installed at the front end of the driving shaft (11), two gear box (13) are installed in the outside of driven gear (8), No. two bed boards (14) are installed to the lower extreme of bed board (3), No. two equal fixed mounting in four end angle departments of bed board (14) lower terminal surface has leg (15), the lower extreme fixed mounting of leg (15) has shock attenuation universal wheel (16).

2. The emergency stretcher according to claim 1, characterized in that: quick detach handrail (1) passes through the spout with button (2) and is connected, reset spring who is located quick detach handrail (1) spout inner wall is installed to the one end of button (2).

3. The emergency stretcher according to claim 1, characterized in that: quick detach handrail (1) are connected through a spout (17) with bed board (3), stop block (18) are all installed to the both sides of a spout (17), quick detach handrail (1) are connected through No. two spout (19) with No. two bed boards (14), No. two stop block (20) are all installed to the both sides of No. two spout (19).

4. The emergency stretcher according to claim 1, characterized in that: the support frame (5) and the moving rod (6) are of an integrated structure, thread grooves are formed in the two sides of the moving rod (6), and the moving rod (6) is connected with the thread columns (7) through the thread grooves.

5. The emergency stretcher according to claim 1, characterized in that: no. one bed board (3) and handle (12) pass through the columnar order and are connected, No. one bed board (3) passes through bolted connection with gear box (13), driving shaft (11) and handle (12) structure as an organic whole, driving shaft (11) pass through the columnar order with gear box (13) and are connected, No. two bed boards (14) pass through bolted connection with leg frame (15), leg frame (15) pass through bolted connection with shock attenuation universal wheel (16).

6. The emergency stretcher according to claim 1, characterized in that: screw thread post (7) and driven gear (8) as an organic whole structure, driving gear (10) are connected through the joint with driving shaft (11), driven gear (8) and No. two driven gear (9) meshing, two the inboard and driving gear (10) meshing of No. two driven gear (9).

7. The emergency stretcher according to claim 3, characterized in that: a spacing spring (21) that is located a spout (17) inner wall is installed to one side of a spacing slider (18), No. two spacing springs (22) that are located No. two spout (19) inner walls are installed to one side of No. two spacing sliders (20).