Stretcher buffering device for modifying ambulance
By designing stretcher buffering devices for protective components and control components, the problems of incomplete shock absorption and inconvenient operation of stretchers in the prior art are solved, multi-directional shock absorption and automated operation are achieved, and safety and efficiency during ambulance transportation are improved. .
Patent Information
- Application Number
- CN202420704950.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The stretcher buffer device used for modification of existing ambulances can only be shock-absorbent in the front and rear directions. The absence of a damper makes it easy for people to shake in the front and rear directions. The device needs to manually lift the stretcher after the ambulance arrives, making it difficult to deal with heavy physical strength. Injured person.
A stretcher buffer device including a protective component and a control component is designed. The protective component realizes multi-directional shock absorption and buffering through the combination of protective pads, dampers, sliders and springs; the control component realizes automatic lifting and moving of the device through the coordination of motors, screws and universal wheels, which facilitates medical staff. operate.
During the ambulance movement, this device can effectively perform multi-directional shock absorption, reduce the risk of secondary injuries of injured people, and simplify the handling process of medical staff through automatic lifting and moving functions, improving operational efficiency and safety.
Smart Images
Figure CN222444602U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stretcher buffering, in particular to a stretcher buffering device for ambulance modification. Background Art
[0002] An ambulance is a vehicle used to rescue patients. It is generally used for emergency rescue and other situations. In order to ensure that patients can receive certain treatment during transportation, the ambulance has a relatively spacious interior and carries a large number of bandages, external dressings, first aid supplies, etc. During the movement of the ambulance, a stretcher buffer device modified for the ambulance is required to reduce shock and cushion the stretcher and the injured person;
[0003] The announcement number CN 216257856 U discloses a stretcher buffer device for ambulance modification, comprising a frame, the inner wall of the frame is slidably connected to two positioning frames, the upper surfaces of the two positioning frames are provided with strip grooves, the inner walls of the strip grooves are slidably connected to connecting plates, the upper surfaces of the two connecting plates are fixedly connected to the stretcher body, the sides of the two connecting plates are provided with limited circular holes, the left and right inner walls of the frame are provided with two slide grooves, the inner walls of the slide grooves are slidably connected to sliders, and the inner walls of the slide grooves are fixedly connected to springs;
[0004] There may be two problems when using it. First, the device can only reduce the shock of the stretcher in the front and back directions, and its spring is not equipped with a damper for shock absorption, which makes the personnel prone to shaking in the front and back directions, reducing safety; second, after the ambulance arrives, the device requires personnel to pick up the stretcher before lifting the person. If the injured person is heavy, it is difficult for medical staff to lift the injured person and place him on top of the frame. Therefore, we propose a stretcher buffer device for ambulance modification. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and provides a stretcher buffer device for ambulance modification.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A stretcher buffer device for ambulance modification comprises an installation box, stretcher limit blocks are fixedly installed on the front and rear sides of the installation box, push handles are fixedly installed on the left and right sides of the installation box, and partitions are fixedly installed between the inner sides of the installation box; a protective component is installed on the partition; and a control component is installed on the installation box and the partition.
[0008] Preferably, the protective assembly includes a damper, a protective cushion, a limit frame, a fixed plate, a connecting rod, a sliding rod, a slider and a spring. The damper is fixedly installed at the four corners of the top of the partition, the protective cushion is fixedly installed on the top of the damper, the limit frame is fixedly installed on the left and right sides of the top of the partition, the fixed plate is fixedly installed on the left and right sides of the bottom of the protective cushion, the connecting rod is rotatably installed between the front and back sides of the inner side of the fixed plate, the sliding rod is fixedly installed between the inner sides of the limit frame, the slider is slidably installed on the front and back sides of the outer side of the sliding rod, the connecting rod is rotatably installed between the inner sides of the slider, the spring is fixedly installed on one side of the limit frame, and the other end of the spring is highly installed on one side of the slider.
[0009] By adopting the above technical solution, when the device encounters a bumpy road surface during the movement of the ambulance, the protective cushion can transmit the force to the top of the fixed plate after being subjected to force. After being subjected to force, the fixed plate cooperates with the slider to perform buffering and shock absorption. The spring enables the slider to offset the vibration force after sliding multiple times. The damper makes it easy for the device to cushion the vibration during the vibration process, making it less likely for the injured person to suffer secondary injuries.
[0010] Preferably, the control assembly includes a motor, a screw rod, a fixed rod, a sliding plate, a mounting block and a universal wheel, the motor is fixedly mounted on the bottom of the partition, the screw rod is fixedly mounted on the output end of the motor, the fixed rod is fixedly mounted on the bottom of the partition, the other end of the fixed rod is fixedly mounted on the bottom inner wall of the mounting box, the sliding plate is arranged on the outside of the screw rod and the fixed rod, the mounting block is fixedly mounted on the bottom four corners of the sliding plate, and the universal wheel is fixedly mounted on the bottom of the mounting block.
[0011] By adopting the above technical solution, during the movement of the ambulance, the device can control the motor to drive the screw rod to rotate, so that the screw rod can drive the sliding plate to move under force, so that the sliding plate can be raised and lowered, so that after the sliding plate rises, it drives the mounting block and the universal wheel to slide into the inner side of the mounting box, so that the mounting box is in contact with the ground, so that the device is more stable when the ambulance is moving, and the device can be moved by the universal wheel after the ambulance arrives, so that medical staff can carry the injured person more conveniently and quickly.
[0012] Preferably, a storage groove is provided at the bottom of the installation box, the distance between the installation block and the universal wheel is smaller than the length and width of the storage groove, and the outer diameter of the sliding plate is larger than the inner diameter of the storage groove.
[0013] By adopting the above technical solution, the storage groove makes it easy for the sliding plate to slide out of the groove, and the mounting block and the universal wheel can be stored.
[0014] Preferably, a threaded hole and a through slot are provided on the top of the sliding plate, the screw rod is engaged with the threaded hole, and the outer diameter of the fixing rod is the same as the inner diameter of the through slot.
[0015] By adopting the above technical solution, the screw rod can control the movement direction of the sliding plate through the thread after rotating, so that the sliding plate can slide after being subjected to force.
[0016] Preferably, a slide groove is provided on one side of the sliding block, the outer diameter of the sliding rod is the same as the inner diameter of the slide groove, and the outer diameter of the spring is larger than the inner diameter of the slide groove.
[0017] By adopting the above technical solution, the slider can be returned to the initial position by the spring after sliding, so that the spring can offset the force generated by the vibration.
[0018] Preferably, a through hole is provided at the connection between the connecting rod, the fixing plate and the sliding block, and a fixing pin is provided inside the through hole.
[0019] By adopting the above technical solution, the connection between the connecting rod, the fixing plate and the sliding block is made tighter, and the connecting rod is not easily separated during the rotation process.
[0020] Preferably, a limiting groove is provided on the top of the limiting frame, and the width of the sliding block is the same as the width of the limiting groove.
[0021] By adopting the above technical solution, the limiting groove makes it difficult for the slider to slide out from the inner side of the limiting frame when the force is too large, so that the limiting frame is relatively stable during the movement.
[0022] Compared with the prior art, the beneficial effects of the present invention are:
[0023] (1) The utility model is a stretcher buffer device for ambulance modification. Through the protection components, when the ambulance is moving and encounters a bumpy road surface, the protective cushion can transmit the force to the upper side of the fixed plate after being stressed. After being stressed, the fixed plate can buffer and reduce shock by cooperating with the slider. The spring enables the slider to offset the vibration force after sliding multiple times. The damper can make the device cushion during vibration, so that the injured person is not prone to secondary injury.
[0024] (2) The utility model is a stretcher buffer device for ambulance modification. Through the control assembly, the device can control the motor to drive the screw to rotate during the movement of the ambulance, so that the screw can drive the sliding plate to move under force, so that the sliding plate can be raised and lowered, so that after the sliding plate rises, it drives the mounting block and the universal wheel to slide into the inner side of the mounting box, so that the mounting box contacts the ground, so that the device is more stable when the ambulance is moving. After the ambulance arrives, the device can be driven to move by the universal wheel, so that medical staff can carry the injured person more conveniently and quickly. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1This is a three-dimensional structural schematic diagram of a stretcher buffer device for ambulance modification proposed by the utility model;
[0026] Figure 2 It is a partial three-dimensional structural schematic diagram of a stretcher buffer device for ambulance modification proposed by the utility model;
[0027] Figure 3 It is a partial three-dimensional structural schematic diagram of a stretcher buffer device for ambulance modification proposed by the utility model;
[0028] Figure 4 The utility model is a partial three-dimensional structural schematic diagram of a stretcher buffer device for ambulance modification.
[0029] In the figure: 1. installation box; 2. stretcher limit block; 3. push handle; 4. partition; 5. damper; 6. protective cushion; 7. limit frame; 8. fixed plate; 9. connecting rod; 10. sliding rod; 11. slider; 12. spring; 13. motor; 14. screw rod; 15. fixed rod; 16. sliding plate; 17. installation block; 18. universal wheel. DETAILED DESCRIPTION
[0030] Example
[0031] refer to Figure 1-4 A stretcher buffer device for ambulance modification includes an installation box 1, a stretcher limit block 2 is fixedly installed on the front and rear sides of the installation box 1, and a push handle 3 is fixedly installed on the left and right sides of the installation box 1. The stretcher limit block 2 is convenient for limiting and placing the stretcher, and the push handle 3 allows medical staff to push the device through it. A partition 4 is fixedly installed between the inner sides of the installation box 1; a protective component, the protective component is installed on the partition 4; and a control component is installed on the installation box 1 and the partition 4.
[0032] In this embodiment, the protection component includes a damper 5, a protective cushion 6, a limit frame 7, a fixed plate 8, a connecting rod 9, a slide bar 10, a slider 11 and a spring 12. The damper 5 is fixedly installed at the top four corners of the partition 4, the protective cushion 6 is fixedly installed on the top of the damper 5, the limit frame 7 is fixedly installed on the left and right sides of the top of the partition 4, the fixed plate 8 is fixedly installed on the left and right sides of the bottom of the protective cushion 6, the connecting rod 9 is rotatably installed between the front and back sides of the inner side of the fixed plate 8, the slide bar 10 is fixedly installed between the inner sides of the limit frame 7, the slider 11 is slidably installed on the front and back sides of the outer side of the slide bar 10, and the connecting rod 9 is rotatably installed between the front and back sides of the inner side of the fixed plate 8. The connecting rod 9 is rotatably installed between the inner sides of the slider 11, the spring 12 is fixedly installed on one side of the limit frame 7, and the other end of the spring 12 is highly installed on one side of the slider 11. It should be noted that when the device encounters a bumpy road surface during the movement of the ambulance, the protective cushion 6 can transmit the force to the top of the fixed plate 8 after being subjected to force. After being subjected to force, the fixed plate 8 cooperates with the slider 11 to perform buffering and shock absorption. The spring 12 allows the slider 11 to offset the vibration force after sliding multiple times. The damper 5 facilitates the device to perform shock absorption during the vibration process, so that the injured person is not easily injured again.
[0033] In this embodiment, the control assembly includes a motor 13, a screw rod 14, a fixed rod 15, a sliding plate 16, a mounting block 17 and a universal wheel 18. The motor 13 is fixedly mounted at the bottom of the partition 4, the screw rod 14 is fixedly mounted at the output end of the motor 13, the fixed rod 15 is fixedly mounted at the bottom of the partition 4, and the other end of the fixed rod 15 is fixedly mounted on the bottom inner wall of the mounting box 1, the sliding plate 16 is arranged on the outside of the screw rod 14 and the fixed rod 15, the mounting block 17 is fixedly mounted at the bottom four corners of the sliding plate 16, and the universal wheel 18 is fixedly mounted at the bottom of the mounting block 17. It should be noted that, during the movement of the ambulance, the device can control the motor 13 to drive the screw rod 14 to rotate, so that the screw rod 14 can drive the sliding plate 16 to move under force, so that the sliding plate 16 can be raised and lowered, so that after the sliding plate 16 rises, it drives the mounting block 17 and the universal wheel 18 to slide into the inner side of the mounting box 1, so that the mounting box 1 is in contact with the ground, so that the device is more stable when the ambulance is moving, and after the ambulance arrives, the device can be driven to move by the universal wheel 18, so that medical staff can carry the injured person more conveniently and quickly.
[0034] In this embodiment, a storage groove is opened at the bottom of the installation box 1, the distance between the installation block 17 and the universal wheel 18 is smaller than the length and width of the storage groove, and the outer diameter of the sliding plate 16 is larger than the inner diameter of the storage groove. It should be noted that the storage groove makes it easier for the sliding plate 16 to slide out of the groove, and the installation block 17 and the universal wheel 18 can be stored.
[0035] In this embodiment, a threaded hole and a through groove are provided on the top of the sliding plate 16, the screw rod 14 is engaged with the threaded hole, and the outer diameter of the fixed rod 15 is the same as the inner diameter of the through groove. It should be noted that the screw rod 14 can drive the sliding plate 16 to move under force after rotation, and the fixed rod 15 can limit the sliding plate 16 so that the sliding plate 16 can only slide after being subjected to force.
[0036] In this embodiment, a slide groove is provided on one side of the slider 11, the outer diameter of the slide rod 10 is the same as the inner diameter of the slide groove, and the outer diameter of the spring 12 is larger than the inner diameter of the slide groove. It should be noted that the slide groove makes it difficult for the spring 12 to pass through, so that the slider 11 can return to its position through the spring 12 after sliding.
[0037] In this embodiment, a through hole is opened at the connection between the connecting rod 9 and the fixed plate 8 and the slider 11, and a fixing pin is arranged on the inner side of the through hole. It should be noted that the connection between the connecting rod 9 and the fixed plate 8 and the slider 11 is relatively tight, and the connecting rod 9 is not easy to be separated during the rotation process.
[0038] In this embodiment, a limiting groove is provided on the top of the limiting frame 7, and the width of the slider 11 is the same as the width of the limiting groove. It should be noted that the limiting groove makes it difficult for the slider 11 to slide out from the inner side of the limiting frame 7 when the force is too large, so that the limiting frame 7 is relatively stable during movement.
[0039] The specific operation is to connect the device to an external power supply. When the device is moving in an ambulance and encounters a bumpy road surface, the protective cushion 6 can transmit the force to the top of the fixed plate 8 after being stressed. The fixed plate 8 can buffer and reduce shock by cooperating with the slider 11 after being stressed. The spring 12 enables the slider 11 to offset the vibration force after sliding multiple times. The damper 5 is convenient for the device to buffer shock during the vibration process, so that the injured person is not prone to secondary injury. When the ambulance is moving, the motor 13 can be controlled to drive the screw rod 14 to rotate, so that the screw rod 14 can drive the sliding plate 16 to move under force, so that the sliding plate 16 can be lifted and lowered, so that the sliding plate 16 drives the mounting block 17 and the universal wheel 18 to slide into the inner side of the mounting box 1 after rising, so that the mounting box 1 is in contact with the ground, so that the device is relatively stable when the ambulance is moving. After the ambulance arrives, the device can be driven to move by the universal wheel 18, so that medical staff can carry the injured person more conveniently and quickly.
[0040] The above is a detailed introduction to a stretcher buffer device for ambulance modification provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. A stretcher buffer device for ambulance modification, characterized in that: include: An installation box (1), stretcher limit blocks (2) are fixedly installed on the front and rear sides of the installation box (1), push handles (3) are fixedly installed on the left and right sides of the installation box (1), and a partition (4) is fixedly installed between the inner sides of the installation box (1); A protective component, wherein the protective component is mounted on a partition (4); the protective component comprises a damper (5), a protective cushion (6), a limit frame (7), a fixing plate (8), a connecting rod (9), a sliding rod (10), a sliding block (11) and a spring (12); the damper (5) is fixedly mounted on the four corners of the top of the partition (4); the protective cushion (6) is fixedly mounted on the top of the damper (5); the limit frame (7) is fixedly mounted on the left and right sides of the top of the partition (4); and the fixing plate (8) is fixedly mounted On the left and right sides of the bottom of the protective cushion (6), the connecting rod (9) is rotatably mounted between the front and rear sides of the inner side of the fixed plate (8), the sliding rod (10) is fixedly mounted between the inner sides of the limiting frame (7), the sliding block (11) is slidably mounted on the front and rear sides of the outer side of the sliding rod (10), the connecting rod (9) is rotatably mounted between the inner sides of the sliding block (11), the spring (12) is fixedly mounted on one side of the limiting frame (7), and the other end of the spring (12) is highly mounted on one side of the sliding block (11); A control assembly, the control assembly being mounted on an installation box (1) and a partition (4); the control assembly comprising a motor (13), a screw rod (14), a fixed rod (15), a sliding plate (16), a mounting block (17) and a universal wheel (18); the motor (13) being fixedly mounted on the bottom of the partition (4); the screw rod (14) being fixedly mounted on the output end of the motor (13); the fixed rod (15) being fixedly mounted on the bottom of the partition (4); the other end of the fixed rod (15) being fixedly mounted on the bottom inner wall of the installation box (1); the sliding plate (16) being arranged on the outside of the screw rod (14) and the fixed rod (15); the mounting block (17) being fixedly mounted on the four bottom corners of the sliding plate (16); and the universal wheel (18) being fixedly mounted on the bottom of the mounting block (17).
2. The stretcher buffer device for ambulance modification according to claim 1 is characterized in that: A storage groove is provided at the bottom of the installation box (1), the spacing between the installation block (17) and the universal wheel (18) is smaller than the length and width of the storage groove, and the outer diameter of the sliding plate (16) is larger than the inner diameter of the storage groove.
3. The stretcher buffer device for ambulance modification according to claim 1, characterized in that: A threaded hole and a through slot are provided on the top of the sliding plate (16), the screw rod (14) is meshed with the threaded hole, and the outer diameter of the fixing rod (15) is the same as the inner diameter of the through slot.
4. The stretcher buffer device for ambulance modification according to claim 1, characterized in that: A sliding groove is provided on one side of the sliding block (11); the outer diameter of the sliding rod (10) is the same as the inner diameter of the sliding groove; and the outer diameter of the spring (12) is greater than the inner diameter of the sliding groove.
5. The stretcher buffer device for ambulance modification according to claim 1, characterized in that: A through hole is provided at the connection between the connecting rod (9), the fixing plate (8) and the sliding block (11), and a fixing pin is provided inside the through hole.
6. The stretcher buffer device for ambulance modification according to claim 1, characterized in that: A limiting groove is provided on the top of the limiting frame (7), and the width of the sliding block (11) is the same as the width of the limiting groove.