Safe transportation stretcher suitable for field complex environment

Abstract

The invention discloses a safe transportation stretcher suitable for a field complex environment, and relates to the technical field of stretchers, the safe transportation stretcher comprises a telescopic device, the telescopic device comprises a frame, a supporting rod is fixedly installed on the surface of the frame, a first threaded groove is formed in the surface of the supporting rod, an adjusting pipe is arranged on the surface of the supporting rod, and a first threaded groove is formed in the surface of the adjusting pipe; the adjusting pipe is connected with the supporting rods through threads, the two frames and the two supporting rods are symmetrically distributed with the adjusting pipe as the center, and grips are rotationally installed at the ends, close to the supporting rods, of the two frames; according to the safe transportation stretcher, the supporting rods on the two sides can move oppositely through the first threaded grooves between the supporting rods, then the face width of the whole stretcher is increased, the situation that a wounded patient is tied to the stretcher by a clamping belt due to the insufficient face width is avoided, meanwhile, rescue workers can effectively and conveniently carry the stretcher when the stretcher is not unfolded, and the situation that rescue is not timely in the complex field environment is avoided; and the rescue efficiency of wounds and patients is improved.

Description

Technical Field

[0001] This invention relates to the field of stretcher technology, specifically to a stretcher suitable for safe transportation in complex field environments. Background Technology

[0002] A safe transport stretcher is a tool specifically designed for medical emergency and patient transport. It is intended to provide safe, comfortable, and effective support and is commonly used during emergency rescue and patient transport to protect patients' lives and prevent further injury caused by improper transport.

[0003] Patent publication number CN217938552U relates to a multifunctional patient transport stretcher for emergency use, comprising two side panels, two support rods fixedly connected between the two side panels, and a support plate fixedly connected between the two side panels. Two handles are fixedly connected to the sides of each support rod, and a first straight rod is fixedly connected to the bottom of each handle. A movable wheel is installed at the bottom end of the first straight rod. A second straight rod is fixedly connected to the bottom of each of the other two handles. Three adjusting rods are hinged to the sides of the side panels, and a protective rod is hinged to the top of each adjusting rod. A positioning rod is hinged to the side of the middle adjusting rod, and a locking post is slidably connected to the surface of the positioning rod. A spring is sleeved on the periphery of the locking post, with one end of the spring fixedly connected to the positioning rod and the other end fixedly connected to the locking post. A baffle is hinged to one end of the support plate. The purpose of this patent is to provide a multifunctional patient transport stretcher for emergency use to solve the problem of poor safety protection in existing stretchers.

[0004] In the aforementioned patent, the adjusting rod is vertical, thereby using the adjusting rod and the protective rod to further protect the patient and prevent the patient from falling off the side of the support plate during transport. Compared with the existing stretchers that only use safety belts to protect patients, safety is significantly improved. However, in complex field environments, the ease of carrying the stretcher will affect the efficiency of rescue. At the same time, when fixing patients of different body sizes, the tightness may cause secondary injuries. Therefore, a more portable stretcher that can be used for safe transport of patients of different body sizes in complex field environments is designed. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a safe transport stretcher suitable for complex field environments, thus solving the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a stretcher suitable for safe transport in complex field environments, comprising:

[0007] The telescopic device includes a frame, a support rod fixedly mounted on the surface of the frame, a threaded groove on the surface of the support rod, an adjusting tube on the surface of the support rod, and a threaded connection between the adjusting tube and the support rod. There are two of each frame and support rod, symmetrically distributed around the adjusting tube. A handle is rotatably mounted on the end of each frame near the support rod. The adjustment tube rotates through the threaded groove between the support rods, causing the two support rods to move in opposite directions, thereby increasing the width of the entire stretcher.

[0008] A rotating storage device includes a receiving shaft that rotates through a frame. A stop bar is fixedly installed on the circumferential surface of the receiving shaft. A limiting groove for limiting the stop bar is provided on the surface of the frame. The stop bar is located inside the limiting groove. A support plate is fixedly installed on the surface of the receiving shaft. Two telescopic devices are provided and symmetrically distributed around the support plate. The frame rotates clockwise and counterclockwise around the two receiving shafts respectively. During the rotation of the frame, it contacts the stop bar through the limiting groove to form support.

[0009] According to the above technical solution, elastic nylon fabric is provided between the frames, and a strap for fixing the injured person is provided between the frames. After the injured person is lifted onto the stretcher, the strap is used to fix the injured person.

[0010] According to the above technical solution, it also includes a support device, which includes a support block. A placement groove is formed on the surface of the frame. The support block is fixedly installed inside the placement groove. A connecting rod is rotatably installed on the surface of the support block. A receiving rod is rotatably installed at the end of the connecting rod away from the support block. A support wheel is rotatably installed on the circumferential surface of the receiving rod. A moving rod is rotatably installed at the end of the connecting rod away from the support block. A sliding block is slidably installed on the inner wall of the placement groove. The end of the moving rod away from the connecting rod is rotatably connected to the sliding block. A stop block is fixedly installed on the inner wall of the placement groove. A spring is provided between the stop block and the sliding block. All four support wheels are in contact with the ground, so that the stretcher is placed stably on the ground, avoiding the stretcher tilting due to uneven ground in the field, and thus preventing slippage due to uneven force when placing the injured person.

[0011] According to the above technical solution, the support device further includes a rotating rod, the surface of which is provided with a second threaded groove. The rotating rod is connected to the sliding block by a thread, and the rotating rod is fixedly connected to the handle. When the handle is rotated, the rotating rod rotates and drives the sliding block to move closer to the stop block through the second threaded groove.

[0012] According to the above technical solution, the rotating rod rotates through the frame and the rotating rod rotates through the stop block.

[0013] According to the above technical solution, it also includes a limiting device, which includes a fixing ring. The fixing ring is fixedly installed on the circumferential surface of the handle. The surface of the fixing ring is provided with a slot. The surface of the frame is provided with a sliding groove. An L-shaped rod is slidably installed inside the sliding groove. A spring is provided between the L-shaped rod and the sliding groove.

[0014] According to the above technical solution, a protective device is also included. The protective device includes a protective plate, which is rotatably mounted above the frame. A connecting rod is rotatably mounted on the surface of the protective plate. A lifting rod is rotatably mounted on the end of the connecting rod away from the protective plate. A crossbar is fixedly mounted below the lifting rod. A receiving plate is slidably mounted on the inner wall of the placement slot. A guide groove is formed on the surface of the receiving plate. The crossbar is disposed inside the guide groove. A transmission rod is rotatably mounted on the surface of the receiving plate. The end of the transmission rod away from the receiving plate is rotatably connected to the connecting rod. The crossbar moves upward, causing the lifting rod to move upward. The lifting rod moves upward, causing the connecting rod to move upward. The connecting rod moves upward, causing the protective plate to rotate. The protective plate increases the protection height on both sides of the stretcher, further preventing tilting during transportation in the field.

[0015] According to the above technical solution, the lifting rod is slidably connected to the inner wall of the placement groove, and the surface of the frame is provided with an avoidance groove.

[0016] This invention provides a stretcher suitable for safe transport in complex field environments. It offers the following advantages:

[0017] (1) The safety transport stretcher, through the cooperation of the frame, support rod, adjustment tube, handle, limiting groove, receiving shaft, stop bar, support plate and clamp, can make the two support rods move in opposite directions through the threaded groove between the support rods, thereby increasing the width of the entire stretcher, avoiding the patient being strangled on the stretcher due to insufficient width, and at the same time, it can effectively facilitate rescuers to carry when not unfolded, avoiding the delay in rescue in complex field environments, and improving the rescue efficiency of the injured.

[0018] (2) The safety transport stretcher, through the coordinated operation of the support block, connecting rod, receiving rod, support wheel, moving rod, sliding block, stop block, spring and rotating rod, ensures that all four support wheels are in contact with the ground, so that the stretcher is placed stably on the ground, avoiding the stretcher tilting due to uneven ground in the field, and thus preventing slippage due to uneven force when placing the injured person, further reducing the possibility of secondary injury to the injured person and improving the efficiency of rescue.

[0019] (3) The safety transport stretcher, through the cooperation of the fixing ring, the slot, the L-shaped rod and the spring, moves the L-shaped rod so that the L-shaped limiting rod contacts or disengages from the slot, thereby restricting the support device, preventing the support wheels from loosening during the lifting and placing of the injured, and improving the stability of the support device.

[0020] (4) The safety transport stretcher, through the coordinated operation of the protective plate, connecting rod, lifting rod, crossbar, receiving plate, guide groove and transmission rod, causes the connecting rod to move upward and drive the protective plate to rotate. The protective plate increases the protective height on both sides of the stretcher, further preventing tilting during transport in the field environment. At the same time, it further restricts the injured when lifting and placing them to prevent their hands and feet from being scratched by external objects. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the position structure of the frame and support wheel of the present invention;

[0023] Figure 3 For the present invention Figure 2 Enlarged structural diagram of section A;

[0024] Figure 4 This is a schematic diagram of the internal structure of the frame of the present invention;

[0025] Figure 5 For the present invention Figure 4 Enlarged structural diagram of section B;

[0026] Figure 6 For the present invention Figure 4 Enlarged structural diagram of section C;

[0027] Figure 7 For the present invention Figure 4 Enlarged structural diagram of section D.

[0028] In the diagram: 1. Frame; 101. Support rod; 102. Adjusting tube; 103. Handle; 104. Limiting groove; 105. Placement groove; 106. Slide groove; 2. Receiving shaft; 201. Stop bar; 202. Support plate; 3. Clamping belt; 401. Support block; 402. Connecting rod; 403. Receiving rod; 404. Support wheel; 405. Moving rod; 406. Sliding block; 407. Stop block; 408. Spring one; 409. Rotating rod; 501. Fixing ring; 5011. Slot; 502. L-shaped rod; 503. Spring two; 601. Protective plate; 602. Connecting rod; 603. Lifting rod; 604. Crossbar; 605. Receiving plate; 6051. Guide groove; 606. Conducting rod. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figures 1-7 One embodiment of the present invention is: a stretcher suitable for safe transport in complex field environments, comprising:

[0031] The telescopic device includes a frame 1, on which a support rod 101 is fixedly mounted. A threaded groove is formed on the surface of the support rod 101, and an adjustment tube 102 is provided on the surface of the support rod 101. The adjustment tube 102 is threadedly connected to the support rod 101. There are two support rods 101 on both the frame 1 and the support rod 101, and they are symmetrically distributed with the adjustment tube 102 as the center. A handle 103 is rotatably mounted on the end of each frame 1 near the support rod 101. The adjustment tube 102 rotates through the threaded groove between the support rods 101, causing the two support rods 101 to move in opposite directions, thereby increasing the width of the entire stretcher. By adjusting the width, better lateral support can be provided for the injured person, and the injured person can be prevented from being strangled by the strap 3 on the stretcher due to insufficient width.

[0032] The rotating storage device includes a receiving shaft 2 that rotates through a frame 1. A stop bar 201 is fixedly installed on the circumferential surface of the receiving shaft 2. A limiting groove 104 for limiting the stop bar 201 is provided on the surface of the frame 1. The stop bar 201 is located inside the limiting groove 104. A support plate 202 is fixedly installed on the surface of the receiving shaft 2. Two telescopic devices are provided and symmetrically distributed around the support plate 202. The frame 1 rotates 90 degrees clockwise and counterclockwise around the two receiving shafts 2 respectively. During the rotation of the frame 1, it contacts the stop bar 201 through the limiting groove 104 to form support. When not unfolded, it can effectively facilitate rescuers to carry the device, avoid delays in rescue in complex field environments, and improve the efficiency of rescue for the injured.

[0033] Elastic nylon fabric is provided between the frame 1, and a strap 3 for fixing the injured person is provided between the frame 1. After the injured person is lifted onto the stretcher, the strap 3 is used to fix the injured person.

[0034] In this embodiment, the frame 1 is rotated so that it rotates 90 degrees clockwise and counterclockwise around the two receiving shafts 2. During the rotation of the frame 1, it forms support by contacting the stop bar 201 through the limiting groove 104. Then, the adjusting tube 102 is rotated, and the rotation of the adjusting tube 102 causes the two support rods 101 to move in opposite directions through the threaded groove between the support rods 101, thereby increasing the width of the entire stretcher. During this process, it can adaptively adjust to different patient body shapes. After the patient is lifted onto the stretcher, the patient is secured by the straps 3. Then, the rescuer transports the patient to the rescue location by using the handles 103. Adjusting the width provides better lateral support for the patient, preventing the patient from being strangled by the straps 3 due to insufficient width, which could lead to the patient falling off during transport or causing secondary injury due to excessive tightness. At the same time, when not unfolded, it is convenient for rescuers to carry, avoiding delays in rescue in complex field environments and improving the efficiency of patient rescue.

[0035] Please see Figures 1-7 Based on the above embodiments, another embodiment of the present invention further includes a support device. The support device includes a support block 401. A placement groove 105 is formed on the surface of the frame 1. The support block 401 is fixedly installed inside the placement groove 105. A connecting rod 402 is rotatably mounted on the surface of the support block 401. A receiving rod 403 is rotatably mounted on the end of the connecting rod 402 away from the support block 401. A support wheel 404 is rotatably mounted on the circumferential surface of the receiving rod 403. A movable rod 405 is rotatably installed, and a sliding block 406 is slidably installed on the inner wall of the placement groove 105. The end of the movable rod 405 away from the connecting rod 402 is rotatably connected to the sliding block 406. A stop block 407 is fixedly installed on the inner wall of the placement groove 105. A spring 408 is provided between the stop block 407 and the sliding block 406. All four support wheels 404 are in contact with the ground, so that the stretcher is placed stably on the ground, avoiding the stretcher from tilting due to uneven ground in the field, and thus preventing slippage due to uneven force when placing the injured person.

[0036] The support device also includes a rotating rod 409. The surface of the rotating rod 409 is provided with a second threaded groove. The rotating rod 409 is connected to the sliding block 406 by a thread. The rotating rod 409 is fixedly connected to the handle 103. When the handle 103 is rotated, the handle 103 rotates and drives the rotating rod 409 to rotate. The rotation of the rotating rod 409 drives the sliding block 406 to move closer to the stop block 407 through the second threaded groove.

[0037] Rotating rod 409 rotates through frame 1 and stops 407.

[0038] In this embodiment, when the stretcher is unfolded and laid flat, the support wheels 404 contact the ground to provide support. When the ground is uneven, the handle 103 is rotated. The rotation of the handle 103 drives the rotating rod 409 to rotate. The rotation of the rotating rod 409 drives the sliding block 406 to move closer to the stop block 407 through the threaded groove. The movement of the sliding block 406 drives one end of the moving rod 405 to move. Under the action of the connecting rod 402 and the supporting rod 403, the other end of the moving rod 405 extends downward. The downward extension of the other end of the moving rod 405 drives the supporting rod 403 to move downward. The downward movement of the supporting rod 403 drives the support wheels 404 to move downward until they contact the ground. This operation is then repeated to rotate the handles 103 around the perimeter until all four support wheels 404 are in contact with the ground, so that the stretcher is placed stably on the ground. This prevents the stretcher from tilting due to uneven ground, which could lead to slippage when placing the injured person. This further reduces the possibility of secondary injury to the injured person and improves the efficiency of rescue.

[0039] Please see Figures 1-7 Based on the above embodiments, another embodiment of the present invention further includes a limiting device, which includes a fixing ring 501. The fixing ring 501 is fixedly installed on the circumferential surface of the handle 103. A slot 5011 is formed on the surface of the fixing ring 501, and a sliding groove 106 is formed on the surface of the frame 1. An L-shaped rod 502 is slidably installed inside the sliding groove 106, and a spring 503 is provided between the L-shaped rod 502 and the sliding groove 106.

[0040] In this embodiment, before rotating the handle 103, the L-shaped rod 502 is moved outward from the slide groove 106. The L-shaped rod 502 moves away from the contact with the groove 5011 on the surface of the fixing ring 501 and releases the limit. After the support wheel 404 completes the support, the L-shaped rod 502 is released so that it resets under the action of the second spring 503 and re-contacts the groove 5011 to complete the limit, thus preventing the support wheel 404 from loosening during the lifting and lowering of the patient and improving the stability of the support device.

[0041] Please see Figures 1-7Based on the above embodiments, another embodiment of the present invention further includes a protective device. The protective device includes a protective plate 601, which is rotatably mounted above the frame 1. A connecting rod 602 is rotatably mounted on the surface of the protective plate 601. A lifting rod 603 is rotatably mounted on the end of the connecting rod 602 away from the protective plate 601. A crossbar 604 is fixedly mounted below the lifting rod 603. A receiving plate 605 is slidably mounted on the inner wall of the placement groove 105. A guide groove 6051 is formed on the surface of the receiving plate 605. Rod 604 is set inside guide groove 6051. A transmission rod 606 is rotatably mounted on the surface of receiving plate 605. The end of transmission rod 606 away from receiving plate 605 is rotatably connected to connecting rod 402. When crossbar 604 moves upward, it drives lifting rod 603 to move upward. When lifting rod 603 moves upward, it drives connecting rod 602 to move upward. When connecting rod 602 moves upward, it drives protective plate 601 to rotate. Protective plate 601 increases the protective height on both sides of stretcher, further preventing tilting during transportation in the field.

[0042] The lifting rod 603 is slidably connected to the inner wall of the placement slot 105, and the surface of the frame 1 is provided with a clearance groove.

[0043] In this embodiment, during operation: the connecting rod 402 rotates, causing one end of the transmission rod 606 to move. The movement of one end of the transmission rod 606, through the other end, causes the receiving plate 605 to move away from the support block 401. During this process, when the connecting rod 402 rotates at a certain angle, the receiving plate 605, through the guide groove 6051, causes the crossbar 604 to move upward. The upward movement of the crossbar 604 causes the lifting rod 603 to move upward. The upward movement of the lifting rod 603 causes the connecting rod 602 to move upward. The upward movement of the connecting rod 602 causes the protective plate 601 to rotate. The protective plate 601 increases the protective height on both sides of the stretcher, further preventing tilting during transportation in the field. At the same time, it further restricts the injured when lifting and placing them, preventing their hands and feet from being scratched by external objects.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stretcher suitable for safe transport in complex field environments, characterized in that, include: The telescopic device includes a frame (1), a support rod (101) is fixedly installed on the surface of the frame (1), a threaded groove is opened on the surface of the support rod (101), an adjustment tube (102) is provided on the surface of the support rod (101), the adjustment tube (102) and the support rod (101) are connected by threads, two of each of the frame (1) and the support rod (101) are provided, and they are symmetrically distributed with the adjustment tube (102) as the center. A handle (103) is rotatably installed on the ends of the two frames (1) near the support rod (101). A rotating storage device includes a receiving shaft (2) that rotates through a frame (1). A stop bar (201) is fixedly installed on the circumferential surface of the receiving shaft (2). A limiting groove (104) for limiting the stop bar (201) is provided on the surface of the frame (1). The stop bar (201) is located inside the limiting groove (104). A support plate (202) is fixedly installed on the surface of the receiving shaft (2). Two telescopic devices are provided and are symmetrically distributed with the support plate (202) as the center.

2. The stretcher for safe transport in complex field environments according to claim 1, characterized in that: Elastic nylon fabric is provided between the frame (1), and a strap (3) for fixing the injured person is provided between the frame (1).

3. The stretcher for safe transport in complex field environments according to claim 2, characterized in that: It also includes a support device, which includes a support block (401). The surface of the frame (1) is provided with a placement groove (105). The support block (401) is fixedly installed inside the placement groove (105). A connecting rod (402) is rotatably installed on the surface of the support block (401). A receiving rod (403) is rotatably installed at one end of the connecting rod (402) away from the support block (401). A support wheel (404) is rotatably installed on the circumferential surface of the receiving rod (403).

4. The stretcher for safe transport in complex field environments according to claim 3, characterized in that: A movable rod (405) is rotatably mounted on the end of the connecting rod (402) away from the support block (401). A sliding block (406) is slidably mounted on the inner wall of the placement groove (105). The end of the movable rod (405) away from the connecting rod (402) is rotatably connected to the sliding block (406). A stop block (407) is fixedly mounted on the inner wall of the placement groove (105). A spring (408) is provided between the stop block (407) and the sliding block (406).

5. A stretcher for safe transport in complex field environments according to claim 4, characterized in that: The support device also includes a rotating rod (409), the surface of which is provided with a threaded groove, the rotating rod (409) and the sliding block (406) are connected by a thread, and the rotating rod (409) is fixedly connected to the handle (103).

6. A stretcher for safe transport in complex field environments according to claim 5, characterized in that: The rotating rod (409) rotates through the frame (1) and the rotating rod (409) rotates through the stop block (407).

7. A stretcher for safe transport in complex field environments according to claim 6, characterized in that: It also includes a limiting device, which includes a fixing ring (501) fixedly installed on the circumferential surface of the handle (103). The surface of the fixing ring (501) is provided with a slot (5011), and the surface of the frame (1) is provided with a sliding groove (106). An L-shaped rod (502) is slidably installed inside the sliding groove (106), and a spring (503) is provided between the L-shaped rod (502) and the sliding groove (106).

8. A stretcher for safe transport in complex field environments according to claim 7, characterized in that: It also includes a protective device, which includes a protective plate (601), the protective plate (601) is rotatably mounted above the frame (1), a connecting rod (602) is rotatably mounted on the surface of the protective plate (601), a lifting rod (603) is rotatably mounted on one end of the connecting rod (602) away from the protective plate (601), and a crossbar (604) is fixedly mounted below the lifting rod (603).

9. A stretcher for safe transport in complex field environments according to claim 8, characterized in that: A receiving plate (605) is slidably installed on the inner wall of the placement groove (105). A guide groove (6051) is opened on the surface of the receiving plate (605). The crossbar (604) is set inside the guide groove (6051). A transmission rod (606) is rotatably installed on the surface of the receiving plate (605). The end of the transmission rod (606) away from the receiving plate (605) is rotatably connected to the connecting rod (402).

10. A stretcher for safe transport in complex field environments according to claim 9, characterized in that: The lifting rod (603) is slidably connected to the inner wall of the placement groove (105), and the surface of the frame (1) is provided with an avoidance groove.

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