CN219941036U - Stretcher capable of being used up and down stairs - Google Patents

Abstract

The utility model discloses a stretcher capable of being used up and down stairs, which comprises a frame body, wherein the middle parts of two opposite side walls in the frame body are jointly sleeved with a bed board in a rotating mode, two sides of the lower end of the frame body are jointly fixed with U-shaped supporting rods, buffer components are arranged on the U-shaped supporting rods, two inverted V frames are arranged on the buffer components, positioning mechanisms are arranged on the inverted V frames, two contact supporting rods are arranged on the positioning mechanisms, moving mechanisms are respectively arranged on two sides of the lower end of the inverted V frames, four contact supporting rods are respectively abutted against the four moving mechanisms, two L-shaped rods are jointly fixed between the U-shaped supporting rods and the frame body, and transverse rods are jointly and slidably arranged on the horizontal ends of the two L-shaped rods. The utility model can realize the purpose of automatically adjusting the horizontal state of the bed board through the functions of the electric telescopic rod and the matched components, can ensure the stability of the transportation of patients and wounded, can effectively absorb and offset external force, slow down the vibration amplitude and ensure the stability of the transportation of the patients.

Description

A stretcher trolley that can be used up and down stairs

Technical field

The utility model relates to the technical field of stretcher vehicles, and in particular to a stretcher vehicle that can be used up and down stairs.

Background technique

Stretcher trolleys are very commonly used in the medical rescue process in hospitals and ambulance centers. There are two main types of stretcher trolleys currently used: one is a flat stretcher, and the other is a stretcher trolley that can be pushed on a flat surface.

Stretchers can generally only be used on flat ground, and are very inconvenient when it comes to going up and down stairs. The Chinese Patent Publication No. CN201727661U is a stretcher truck that can go up and down stairs. The front and rear wheel sets will cause a wheel-changing movement when the front and rear wheels are rolled. , can be pushed up and down the stairwell. Although it is slightly bumpy, it is easy to operate, saves time and effort, is safe, reliable, fast and convenient, and greatly saves time in transporting the sick and injured. During the transportation process, the patient can be placed in a supine position, which is very beneficial for rescuing critically ill patients and patients who need to be immobilized. It can fully solve the problem that the existing ambulance stretcher requires a lot of manpower when moving the sick and wounded up and down the stairs. However, it is very inconvenient to move the sick and wounded in a small place like the stairs, which not only wastes manpower but also delays the rescue opportunity, and even causes the failure to move in time. The issue of sacrificing lives for the sick and wounded.

The above technical solution is inconvenient to quickly keep the patient or wounded in a stable state when being transported, and at the same time it cannot effectively buffer, which is not conducive to ensuring the stability of the patient. For this reason, we have proposed a stretcher truck that can be used up and down stairs. Solve the above problems.

Utility model content

The purpose of this utility model is to solve the shortcomings existing in the prior art and propose a stretcher cart that can be used up and down stairs.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A stretcher cart that can be used up and down stairs, including a frame body. The middle parts of two opposite side walls of the frame body are rotated together and connected with a bed board. U-shaped support rods are fixed on both sides of the lower end of the frame body. The U-shaped support rod is provided with a buffer component. The buffer component is provided with two inverted V frames. The inverted V frame is provided with a positioning mechanism. The positioning mechanism is provided with two conflicting rods. The inverted V frame Moving mechanisms are installed on both sides of the lower end of the frame. The four conflicting rods conflict with the four moving mechanisms respectively. Two L-shaped rods are fixed between the U-shaped support rod and the frame body. The two L-shaped rods are fixed together. A horizontal bar is slidably installed on the horizontal end. Two push rods are rotatably connected to the horizontal bar. The upper ends of the two push rods are rotatably connected to the lower end side of the bed board. The two inverted V frames are jointly provided with a power mechanism. , the power mechanism is provided with two sliding sleeves, and the two sliding sleeves and the two ends of the cross bar are jointly fixed with damping parts.

Compared with the existing technology, this application can realize automatic adjustment through the cooperation of corresponding parts, so as to keep the bed board stable at all times, which helps to ensure the stability of the patient or the injured. At the same time, it can also fully ensure the stability of the bed board and avoid accidents. To better protect the sick or injured from excessive vibration during transport.

Preferably, the buffer assembly includes two sliding sets fixed on both sides of the lower end of the U-shaped support rod. The lower ends of the two sliding sets are slidably installed with sleeves, and the two sleeves are fixedly connected to the two inverted V frames respectively. A spring member is fixed together in the bushing and the sliding sleeve on the same side.

By adopting the above technical solution, the performance of the spring member can provide a reverse force, fully cooperate with the damping member to provide movement resistance, and improve the stability of the bed board.

Preferably, the positioning mechanism includes a fixed plate fixed on the inverted V frame, a screw member is screwed on the fixed plate, a lower pressure plate is rotatably connected to the lower end of the screw member, and both ends of the lower pressure plate rotate. A diagonal rod is connected, and chute is provided on both sides of the lower end of the inverted V frame. A moving plate is slidably installed in the chute. The two inclined rods on the same side are respectively connected with the two moving plates in rotation. The lower end of the plate is rotatably connected to a tie rod, and the four conflict rods are rotatably connected to the four tie rods respectively. The two conflict rods are respectively rotatably connected to both sides of the lower end of the inverted V frame on the same side.

By adopting the above technical solution, the position state of the collision rod can be quickly adjusted.

Preferably, the moving mechanism includes two triangular rods that are rotatably sleeved on both sides of the lower end of the inverted V frame. The three ends of the triangular rod are rotatably sleeved with rollers, and the conflict rods are located on two adjacent sides of the triangular rod. between ends.

By adopting the above technical solution, the stability of the triangular rod can be ensured, which helps to make it more stable when moving in a plane. At the same time, the triangular rod can be rotated to adapt to the situation of going up and down stairs.

Preferably, the power mechanism includes two fixed frames respectively fixed on one end of the two inverted V frames near the L-shaped rod, and two sliding sleeves are respectively slidably installed on the two fixed frames, and the opposite sides of the two sliding sleeves are connected together. A linkage rod is fixed, and an electric telescopic rod is connected to an inverted V frame and an end of the linkage rod close to the inverted V frame for common rotation.

By adopting the above technical solution, automatic adjustment can be realized, providing power to quickly bring the bed board into a stable state.

Preferably, two L-shaped rods are respectively located on both sides of the lower end of the frame body, and the two L-shaped rods are arranged parallel to the bed board.

By adopting the above technical solution, it helps to ensure the overall solidity.

Preferably, the collision rod adopts a circular tube structure.

By adopting the above technical solution, it is convenient to quickly adapt to the triangular pole and to quickly fix the triangular pole.

Preferably, guardrails are fixed on both sides of the upper end of the frame.

By adopting the above technical solution, the patient or injured can be protected from falling.

Preferably, the bed board includes a footboard, a connecting board and a backrest board arranged in sequence from left to right. Both ends of the connecting board are hinged to the footboard and backrest board respectively, and both sides of the connecting board are rotationally connected. There are two clamping plates, and clamping rods are fixed on both sides of the opposite ends of the foot plate and the backrest plate. A plurality of gaps are arranged at equal intervals on the opposite sides of the clamping plate and the clamping rod. The gaps and the clamping rods are Rods are connected.

By adopting the above technical solution, the bed board can be divided into three sections, which is easy to adjust and can be switched between the bed board and the stretcher chair. Moreover, through the cooperation of the clamping plate and the clamping rod, the angle can be adjusted well to improve the comfort.

The beneficial effects of this utility model are:

1. Through the action of the electric telescopic rod and the roller parts, it can easily conflict with the stairs, so as to facilitate pressure rotation, and can quickly climb the stairs for lifting. At the same time, when on the plane, there will be two roller parts on the same triangular rod against the ground. Ensure the stability of movement, and effectively fix the triangular rod through the conflicting rod to ensure the stability of the triangular rod;

2. When moving, the pressure passes through the U-shaped support rod and L-shaped rod and transmits the vibration to the spring parts and damping parts in the sliding sleeve and sleeve, which can effectively absorb external forces and slow down the vibration amplitude through the cooperation of spring parts and damping parts. , to ensure the stability of patient transport;

3. The sliding sleeve can be moved through the electric telescopic rod, and under the action of the linkage rod, the stability of the movement of the two sliding sleeves is ensured, and the push rod can control the rotation of the bed board to keep the bed board in a horizontal state;

4. The bed board can be divided into three sections for easy adjustment. It can be switched between the bed board and the stretcher chair. The angle can be well adjusted through the cooperation of the clamping plate and the clamping rod to improve comfort.

In summary, this utility model can achieve the purpose of automatically adjusting the horizontal state of the bed board through the action of the electric telescopic rod and supporting components, and can switch between the bed board and the stretcher chair, ensuring the smoothness of the transfer of patients and injured people. , at the same time, it can effectively absorb and offset external forces, slow down the vibration amplitude, and ensure the stability of patient transportation.

Description of the drawings

Figure 1 is a front view of a stretcher trolley proposed by the present invention that can be used up and down stairs;

Figure 2 is a top view of a stretcher trolley proposed by the present invention that can be used up and down stairs;

Figure 3 is a cross-sectional view of the sliding assembly and sleeve of a stretcher trolley proposed by the present invention that can be used up and down stairs;

Figure 4 is an enlarged view of A in Figure 1 of a stretcher cart proposed by the present invention that can be used up and down stairs;

Figure 5 is a structural diagram of the seat of a stretcher trolley proposed by the present invention that can be used up and down stairs;

In the picture: 1 frame, 2 U-shaped support rods, 3 sleeves, 4 screws, 5 fixed plates, 6 lower pressure plates, 7 inverted V frames, 8 cross bars, 9 damping parts, 10 push rods, 11 linkage rods, 12 L-shaped rod, 13 fixed frame, 14 sliding sleeve, 15 electric telescopic rod, 16 triangular rod, 17 roller parts, 1801 foot plate, 1802 fixed plate, 1803 back plate, 19 sliding kit, 20 spring parts, 21 chute, 22 moving plate, 23 pull rod, 24 conflict rod, 25 inclined rod.

Implementation

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example.

Referring to Figure 1-5, a stretcher trolley that can be used up and down stairs includes a frame body 1. The middle parts of the two opposite side walls of the frame body 1 are rotated together and connected with a bed board. Us are fixed on both sides of the lower end of the frame body 1. The U-shaped support rod 2 can fully ensure the firmness of the frame 1 and help ensure the stability of the bed board installation. The U-shaped support rod 2 is provided with a buffer component, and the buffer component is provided with two inverted V frames 7. Through the buffer The component can offset the vibration force and help ensure the stability of the frame 1. The buffer component includes two sliding sets 19 fixed on both sides of the lower end of the U-shaped support rod 2. The lower ends of the two sliding sets 19 are slidably installed with sleeves. Pipe 3, the two sleeves 3 are fixedly connected to the two inverted V frames 7 respectively. The sleeve 3 and the sliding sleeve 19 on the same side are jointly fixed with a spring member 20. When vibration occurs during transportation, the sliding sleeve 19 and the sleeve The position state between the tubes 3 will change vertically, which will squeeze the spring member 20 to cause it to expand and contract. The expansion and contraction of the spring member 20 can provide movement resistance.

Referring to Figures 1 and 4, the inverted V frame 7 is provided with a positioning mechanism, and the positioning mechanism is provided with two conflicting rods 24. The positioning mechanism includes a fixed plate 5 fixed on the inverted V frame 7, and a screw is screwed on the fixed plate 5. Part 4, the lower end of the screw part 4 is rotatably connected to a lower pressure plate 6. By rotating the screw part 4, the lower pressure plate 6 can be raised and lowered. At the same time, the inclined rods 25 at both ends of the lower pressure plate 6 cooperate to prevent the lower pressure plate 6 from rotating, so that it can move smoothly on the It rises and falls under the action of the screw 4. Both ends of the lower pressure plate 6 are rotationally connected with inclined rods 25. The lower end of the inverted V frame 7 is provided with chute 21 on both sides. A moving plate 22 is slidably installed in the chute 21. On the same side The two inclined rods 25 are rotatably connected to the two moving plates 22 respectively. The lower end of the moving plate 22 is rotatably connected to a pull rod 23. The four conflicting rods 24 are respectively rotatably connected to the four pull rods 23. By lowering the lower pressure plate 6, the inclined rods 23 can be rotated. The rod 25 pulls the moving plate 22 to move in the chute 21. Through the movement of the moving plate 22, the pull rod 23 can drive the resistance rod 24 to rotate. The two resistance rods 24 are respectively rotatably connected to the lower ends of the inverted V frame 7 on the same side. On both sides, moving mechanisms are installed on both sides of the lower end of the inverted V frame 7. The four conflicting rods 24 conflict with the four moving mechanisms respectively. The moving mechanism includes two triangular rods 16 that are rotatably sleeved on both sides of the lower end of the inverted V frame 7. , the three ends of the triangular rod 16 are rotated and sleeved with rollers 17, and the conflicting rod 24 is located between the two adjacent ends of the triangular rod 16. When the conflicting rod 24 rotates to be perpendicular to the inverted V frame 7, it is in contact with the triangular rod 16. The adjacent two ends are in conflict, which can fully fix the stability of the triangle bar 16 to ensure smooth movement on the road surface. When going up and down the stairs, the conflict bar 24 and the triangle bar 16 are separated, so that the triangle bar 16 can rotate stably up and down the stairs.

Referring to Figures 1 and 4, two L-shaped rods 12 are fixed together between the U-shaped support rod 2 and the frame 1. A horizontal bar 8 is slidably installed on the horizontal ends of the two L-shaped rods 12, and the horizontal bar 8 rotates. Two push rods 10 are connected. The upper ends of the two push rods 10 are rotatably connected to the lower end side of the bed board. The two inverted V frames 7 are jointly provided with a power mechanism. The power mechanism is provided with two sliding sleeves 14. The power mechanism The mechanism includes two fixed frames 13 respectively fixed on one end of the two inverted V frames 7 near the L-shaped rod 12. Two sliding sleeves 14 are respectively slidably installed on the two fixed frames 13. The opposite sides of the two sliding sleeves 14 are common. A linkage rod 11 is fixed. An inverted V frame 7 and an end of the linkage rod 11 close to the inverted V frame 7 are jointly connected to an electric telescopic rod 15 for rotation. The cooperation of the electric telescopic rod 15 and corresponding parts can enable the linkage rod 11 to drive The sliding sleeve 14 moves and can drive the cross bar 8 to move smoothly through the damping member 9. The movement of the cross bar 8 can cause the push rod 10 to drive the bed board to rotate, which is convenient for adjusting its angle and keeping the bed board stable. The two sliding sleeves A damping member 9 is fixed at both ends of the crossbar 14 and the crossbar 8. Through the cooperation of the damping member 9 and the spring member 20, the vibration can be slowed down and the overall stability can be fully guaranteed.

Referring to Figure 1, two L-shaped rods 12 are respectively located on both sides of the lower end of the frame body 1. The two L-shaped rods 12 are arranged parallel to the bed board, which helps to maintain overall stability.

Referring to FIG. 4 , the conflicting rod 24 adopts a circular tube structure. Through the circular tube-shaped arrangement, it can better conflict with the triangular rod 16 .

Referring to Figure 1, guardrails are fixed on both sides of the upper end of the frame 1, which can better protect patients or injured people and avoid falling.

Referring to Figures 2 and 5, the bed board includes a footboard 1801, a connecting plate 1802 and a backrest plate 1803 arranged in sequence from left to right. The two ends of the connecting plate 1802 are hinged to the footboard 1801 and the backrest plate 1803 respectively, so Two clamping plates are rotatably connected to both sides of the connecting plate 1802. The opposite ends of the foot plate 1801 and the backrest plate 1803 are fixed with clamping rods on both sides. The clamping plates and the clamping rods are equally aligned on the opposite sides. A plurality of gaps are provided at intervals, and the gaps are connected to the clamping rods. By rotating the clamping plate, the clamping plate and the clamping rod can be separated. The staff can rotate the backrest plate 1803 and the footrest plate 1801 as needed to achieve control, which is convenient for Switching between the stretcher and the seat can improve the comfort of use. The foot plate 1801 and the connecting plate 1802 can only rotate clockwise within 90°, and the backrest plate 1803 and the connecting plate 1802 can only rotate clockwise. Rotate within the 90° range. After adjustment, connect the gap on the corresponding clamping plate with the corresponding clamping rod to fully ensure the firmness of the connection.

In the present utility model, when in use, the staff can raise the lower pressure plate 6 by rotating the screw member 4, and the lower pressure plate 6 can drive the inclined rod 25 so that the moving plate 22 pulls the pull rod 23 and the resistance rod 24 to rotate, so that the resistance rod 24 and the resistance rod 24 rotate. The inverted V frame 7 is arranged in parallel, which can facilitate the rotation of the triangular rod 16, making it convenient to go up and down the stairs with the cooperation of the triangular rod 16 and the roller member 17. At the same time, when going up and down the stairs, the linkage rod 11 will be driven by the electric telescopic rod 15 to make the sliding sleeve 14 Movement facilitates the push rod 10 to pull the bed board to rotate to ensure the level of the bed board. At the same time, when vibration occurs, the spring member 20 and the damping member 9 in the sliding assembly 19 and the sleeve 3 can absorb and offset external forces to ensure stability. The staff can rotate the backrest board 1803 and the footboard 1801 as needed to achieve control, making it easier to switch between the stretcher and the seat, which can improve the comfort of use. The footboard 1801 and the connecting board 1802 can only be rotated clockwise by 90 degrees. The backrest plate 1803 and the connecting plate 1802 can only rotate clockwise within the range of 90°. After adjustment, connect the corresponding clamping plate with its gap and the corresponding clamping rod to fully ensure The solidity of the connection.

The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims (9)

1. Stretcher vehicle that can use about stair, including support body (1), its characterized in that: the middle parts of two opposite side walls in the frame body (1) are jointly rotatably sleeved with a bed board, U-shaped supporting rods (2) are jointly fixed on two sides of the lower end of the frame body (1), a buffer assembly is arranged on the U-shaped supporting rods (2), two inverted V-shaped frames (7) are arranged on the buffer assembly, a positioning mechanism is arranged on the inverted V-shaped frames (7), two abutting rods (24) are arranged on the positioning mechanism, moving mechanisms are respectively arranged on two sides of the lower end of the inverted V-shaped frames (7), and the four abutting rods (24) are respectively abutted against the four moving mechanisms;

two L-shaped rods (12) are fixed between the U-shaped supporting rod (2) and the frame body (1), a cross rod (8) is arranged at the horizontal end of the two L-shaped rods (12) in a sliding mode, two push rods (10) are connected to the cross rod (8) in a rotating mode, the upper ends of the two push rods (10) are connected to one side of the lower end of the bed board in a rotating mode, a power mechanism is arranged on the two inverted V-shaped frames (7) in a common mode, two sliding sleeves (14) are arranged on the power mechanism, and damping pieces (9) are fixed at the two ends of the two sliding sleeves (14) and the two ends of the cross rod (8) in a common mode.

2. A stretcher for use up and down stairs according to claim 1, characterized in that: the buffer assembly comprises two sliding sleeve pieces (19) fixed on two sides of the lower end of the U-shaped supporting rod (2), the lower ends of the two sliding sleeve pieces (19) are respectively provided with a sleeve (3) in a sliding mode, the two sleeves (3) are respectively fixedly connected with the two inverted V-shaped frames (7), and spring pieces (20) are jointly fixed in the sleeves (3) and the sliding sleeve pieces (19) on the same side.

3. A stretcher for use up and down stairs according to claim 1, characterized in that: the positioning mechanism comprises a fixed plate (5) fixed on an inverted V frame (7), screw rods (4) are screwed on the fixed plate (5), lower ends of screw rods (4) are rotationally connected with lower pressure plates (6), two ends of the lower pressure plates (6) are rotationally connected with inclined rods (25), sliding grooves (21) are formed in two sides of the lower end of the inverted V frame (7), a movable plate (22) is slidably mounted in the sliding grooves (21), two inclined rods (25) on the same side are rotationally connected with two movable plates (22) respectively, pull rods (23) are rotationally connected with the lower ends of the movable plates (22), four contact rods (24) are rotationally connected with the four pull rods (23) respectively, and two contact rods (24) are rotationally connected with two sides of the lower end of the inverted V frame (7) on the same side.

4. A stretcher for use up and down stairs according to claim 1, characterized in that: the moving mechanism comprises two triangular rods (16) which are rotatably sleeved on two sides of the lower end of the inverted V-shaped frame (7), three ends of each triangular rod (16) are rotatably sleeved with roller members (17), and the abutting rods (24) are located between two adjacent ends of each triangular rod (16).

5. A stretcher for use up and down stairs according to claim 1, characterized in that: the power mechanism comprises two fixing frames (13) which are respectively fixed at one ends of the two inverted V frames (7) close to the L-shaped rods (12), two sliding sleeves (14) are respectively and slidably installed on the two fixing frames (13), a linkage rod (11) is jointly fixed at the opposite sides of the two sliding sleeves (14), and an electric telescopic rod (15) is connected to one end, close to the inverted V frames (7), of one of the inverted V frames (7) and the linkage rod (11) in a common rotation mode.

6. A stretcher for use up and down stairs according to claim 1, characterized in that: the two L-shaped rods (12) are respectively positioned at two sides of the lower end of the frame body (1), and the two L-shaped rods (12) and the bed board are arranged in parallel.

7. A stretcher for use up and down stairs according to claim 1, characterized in that: the abutting rod (24) adopts a round tube structure.

8. A stretcher for use up and down stairs according to claim 1, characterized in that: guard rail pieces are fixed on two sides of the upper end of the frame body (1).

9. A stretcher for use up and down stairs according to claim 1, characterized in that: the bed board comprises a foot placing plate (1801), a connecting plate (1802) and a back board (1803) which are sequentially arranged from left to right, two ends of the connecting plate (1802) are respectively hinged to the foot placing plate (1801) and the back board (1803), two clamping plates are respectively and rotationally connected to two sides of the connecting plate (1802), clamping rods are respectively fixed to two sides of the opposite ends of the foot placing plate (1801) and the back board (1803), a plurality of openings are formed in the clamping plates and the opposite sides of the clamping rods at equal intervals, and the openings are connected with the clamping rods.