CN219941036U

CN219941036U - Stretcher capable of being used up and down stairs

Info

Publication number: CN219941036U
Application number: CN202320629446.5U
Authority: CN
Inventors: 徐帅; 王东明; 熊磊; 黄海; 邱晨; 谢忠明; 刘梓阳; 张子亮
Original assignee: People's Liberation Army 66329 Troops
Current assignee: People's Liberation Army 66329 Troops
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-11-03
Anticipated expiration: 2033-03-28

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

Stretcher capable of being used up and down stairs

Technical Field

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

Background

The stretcher is very popular in the medical rescue process of hospitals and rescue centers, and the stretcher applied at present mainly has two types: one is a flat stretcher, and the other is a stretcher vehicle which can be pushed on a plane.

The stretcher can be generally used on flat ground, is inconvenient in case of needing to go up and down stairs, can move up and down stairs through the front wheel set and the rear wheel set in the rolling process, can be pushed up and down in a stair room, is slightly bumpy, is simple and convenient to operate, saves time and labor, is safe, reliable, quick and convenient, and greatly saves the time for carrying sick and wounded. The patient can adopt a lying position in the carrying process, which is very beneficial to rescuing critical patients and patients needing braking. Can fully solve the problems that the prior rescue stretcher requires a great deal of manpower when moving the sick and wounded up and down stairs, and is inconvenient to move the sick and wounded in a narrow place such as stairs, thereby wasting the manpower, delaying the rescue time and even sacrificing the life because the sick and wounded cannot be timely moved.

According to the technical scheme, the stretcher is inconvenient to quickly enable a patient or a wounded person to be in a stable state during carrying, meanwhile, buffering cannot be effectively carried out, stability of the patient is not guaranteed, and therefore the stretcher capable of being used up and down stairs is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a stretcher capable of being used up and down stairs.

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

the utility model provides a stretcher that can use about stair, includes the support body, two relative lateral wall middle parts joint have rotated jointly and have cup jointed the bed board in the support body, the lower extreme both sides of support body are fixed with U type bracing piece jointly, be equipped with buffer unit on the U type bracing piece, be equipped with two and fall the V frame on the buffer unit, be equipped with positioning mechanism on the V frame that falls, be equipped with two on the positioning mechanism and support the feeler lever, moving mechanism is all installed to the lower extreme both sides of falling the V frame, and four contradict with four moving mechanism respectively, be fixed with two L type poles jointly between U type bracing piece and the support body, joint slidable mounting has the horizontal pole on the horizontal end of two L type poles, rotate on the horizontal pole and be connected with two push rods, the upper end of two push rods is all rotated and is connected in lower extreme one side of bed board, is equipped with power unit jointly on two and falls the V frame, be equipped with two sliding sleeves on the power unit, two sliding sleeves and the both ends of horizontal pole are fixed with damping piece jointly.

Compared with the prior art, the utility model can realize automatic adjustment through the cooperation of corresponding parts, is convenient for keeping the bed board steady all the time, is beneficial to ensuring the stability of patients or wounded, and simultaneously can fully ensure the stability of the bed board, avoid excessive vibration in the transferring process and better protect the patients or wounded.

Preferably, the buffer assembly comprises two sliding sleeve pieces fixed on two sides of the lower end of the U-shaped supporting rod, the lower ends of the two sliding sleeve pieces are respectively provided with a sleeve in a sliding mode, the two sleeves are respectively fixedly connected with the two inverted V-shaped frames, and the sleeve on the same side and the sliding sleeve piece are internally and jointly fixed with a spring piece.

By adopting the technical scheme, the reverse acting force can be provided through the performance of the spring piece, the motion resistance can be fully provided by matching with the damping piece, and the stability of the bed board is improved.

Preferably, the positioning mechanism comprises a fixed plate fixed on the inverted V frame, a screw rod part is screwed on the fixed plate, the lower end of the screw rod part is rotationally connected with a lower pressing plate, both ends of the lower pressing plate are rotationally connected with inclined rods, sliding grooves are formed in both sides of the lower end of the inverted V frame, a moving plate is slidably mounted in each sliding groove, two inclined rods on the same side are rotationally connected with two moving plates respectively, the lower end of the moving plate is rotationally connected with pull rods, four abutting rods are rotationally connected with four pull rods respectively, and two abutting rods are rotationally connected with both sides of the lower end of the inverted V frame on the same side respectively.

By adopting the technical scheme, the position state of the contact supporting rod can be quickly adjusted.

Preferably, the moving mechanism comprises two triangular rods which are rotatably sleeved on two sides of the lower end of the inverted V-shaped frame, three ends of each triangular rod are rotatably sleeved with roller members, and the abutting rods are located between two adjacent ends of each triangular rod.

Through adopting above-mentioned technical scheme, can guarantee the stability of triangular pole, help more stable when the plane removes, can make the triangular pole rotate simultaneously to the condition of adaptation going up and down stairs.

Preferably, the power mechanism comprises two fixing frames which are respectively fixed at one ends of the two inverted V frames close to the L-shaped rod, two sliding sleeves are respectively and slidably arranged on the two fixing frames, a linkage rod is jointly fixed at one opposite side of the two sliding sleeves, and one end, close to the inverted V frame, of one inverted V frame and one end, close to the inverted V frame, of the linkage rod is jointly rotated and connected with an electric telescopic rod.

By adopting the technical scheme, automatic adjustment can be realized, and power is provided for quickly enabling the bed board to be in a stable state.

Preferably, the two L-shaped rods are respectively positioned at two sides of the lower end of the frame body, and the two L-shaped rods and the bed plate are arranged in parallel.

By adopting the technical scheme, the whole firmness is ensured.

Preferably, the abutting rod adopts a circular tube structure.

By adopting the technical scheme, the triangular pole is convenient and fast to adapt to, and the triangular pole is convenient and fast to fix.

Preferably, the guardrail pieces are fixed on two sides of the upper end of the frame body.

By adopting the technical scheme, patients or wounded persons can be protected, and falling situations of the patients or wounded persons can be avoided.

Preferably, the bed board comprises a foot placing plate, a connecting plate and a back board which are sequentially arranged from left to right, two ends of the connecting plate are hinged with the foot placing plate and the back board respectively, two clamping plates are rotationally connected to two sides of the connecting plate, clamping rod pieces are fixed to two sides of the opposite ends of the foot placing plate and the back board, a plurality of openings are formed in the clamping plates and the opposite sides of the clamping rod pieces at equal intervals, and the openings are connected with the clamping rod pieces.

Through adopting above-mentioned technical scheme, the bed board can divide into the syllogic, is convenient for adjust, can switch between bed board and stretcher chair to through the cooperation angle that cardboard and card member can be fine, promote the comfort level.

The beneficial effects of the utility model are as follows:

1. the electric telescopic rod and the roller members can conveniently collide with the stairs, so that the electric telescopic rod can conveniently press and rotate, the stairs can be quickly climbed and lifted, meanwhile, when in a plane, two roller members collide with the ground on the same triangular rod, the moving stability is ensured, the triangular rod can be effectively fixed through the contact rod, and the stability of the triangular rod is ensured;

2. when the device moves, the pressure can transmit vibration to the sliding sleeve piece, the spring piece in the sleeve and the damping piece through the U-shaped supporting rod and the L-shaped rod, and the external force can be effectively absorbed through the cooperation of the spring piece and the damping piece, so that the vibration amplitude is slowed down, and the stability of patient transportation is ensured;

3. the sliding sleeves can move through the electric telescopic rod, the moving stability of the two sliding sleeves is guaranteed under the action of the linkage rod, and the bed board can be controlled to rotate through the push rod, so that the bed board is in a horizontal state;

4. the bed board can be divided into three sections, so that the bed board is convenient to adjust, the bed board and the stretcher chair can be switched, and the comfort level is improved through the cooperation of the clamping boards and the clamping rod pieces to well adjust the angle

In summary, 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 switch between the bed board and the stretcher chair, can ensure the stability of the transportation of patients and wounded, can effectively absorb and offset the external force, and can slow down the vibration amplitude, thereby ensuring the stability of the transportation of the patients.

Drawings

FIG. 1 is a front view of a stretcher vehicle for use up and down stairs according to the present utility model;

FIG. 2 is a top view of a stretcher vehicle according to the present utility model that can be used up and down stairs;

FIG. 3 is a cross-sectional view of a slide kit and sleeve of a stretcher that may be used up and down stairs in accordance with the present utility model;

FIG. 4 is an enlarged view of the portion A of FIG. 1 of a stretcher for use up and down stairs according to the present utility model;

FIG. 5 is a view showing a seat status of a stretcher vehicle for ascending and descending stairs according to the present utility model;

in the figure: 1 frame body, 2U type bracing piece, 3 sleeve pipes, 4 screw rod pieces, 5 fixed plates, 6 lower pressure plates, 7 inverted V frames, 8 cross rods, 9 damping pieces, 10 push rods, 11 linkage rods, 12L type rods, 13 fixed frames, 14 sliding sleeves, 15 electric telescopic rods, 16 triangular rods, 17 roller pieces, 1801 foot plates, 1802 fixed plates, 1803 back plates, 19 sliding sleeve pieces, 20 spring pieces, 21 sliding grooves, 22 moving plates, 23 pull rods, 24 contact rods and 25 inclined rods.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a stretcher capable of being used up and down stairs comprises a frame body 1, a bed board is sleeved in the middle of two opposite side walls in the frame body 1 in a common rotating mode, a U-shaped supporting rod 2 is fixed on two sides of the lower end of the frame body 1, firmness of the frame body 1 can be fully guaranteed, stability of installation of the bed board is guaranteed, a buffer component is arranged on the U-shaped supporting rod 2, two inverted V frames 7 are arranged on the buffer component, vibration absorbing power can be resisted through the buffer component, stability of the frame body 1 is guaranteed, the buffer component comprises two sliding sleeve pieces 19 fixed on two sides of the lower end of the U-shaped supporting rod 2, sleeves 3 are slidably mounted at the lower ends of the two sliding sleeve pieces 19, the two sleeves 3 are fixedly connected with the two inverted V frames 7 respectively, a spring piece 20 is fixed in the sleeve 3 and the sliding sleeve piece 19 on the same side, when vibration occurs in the transportation process, the position state between the sliding sleeve piece 19 and the sleeve piece 3 can be vertically changed, the spring piece 20 can be extruded to enable the spring piece 20 to stretch, and the movement resistance can be provided through the stretch and draw back of the spring piece 20.

Referring to fig. 1 and 4, a positioning mechanism is arranged on the inverted V frame 7, two contact supporting rods 24 are arranged on the positioning mechanism, the positioning mechanism comprises a fixed plate 5 fixed on the inverted V frame 7, a screw rod piece 4 is screwed on the fixed plate 5, the lower end of the screw rod piece 4 is rotationally connected with a lower pressing plate 6, the lower pressing plate 6 can be lifted by rotating the screw rod piece 4, simultaneously, the lower pressing plate 6 is prevented from rotating by matching with inclined rods 25 at two ends of the lower pressing plate 6, so that the lower pressing plate 6 can stably lift under the action of the screw rod piece 4, two ends of the lower pressing plate 6 are rotationally connected with inclined rods 25, two sides of the lower end of the inverted V frame 7 are respectively provided with sliding grooves 21, a movable plate 22 is slidably arranged in the sliding grooves 21, two inclined rods 25 at the same side are respectively rotationally connected with the two movable plates 22, the lower end of the movable plate 22 is rotationally connected with a pull rod 23, four contact supporting rods 24 are respectively rotationally connected with four pull rods 23, the inclined rod 25 can be pulled to move in the chute 21 by the descending of the lower pressure plate 6, the pull rod 23 can drive the contact rod 24 to rotate by the movement of the lower pressure plate 22, the two contact rods 24 are respectively connected to the two sides of the lower end of the inverted V-shaped frame 7 on the same side of the inclined rod, the two sides of the lower end of the inverted V-shaped frame 7 are respectively provided with the moving mechanisms, the four contact rods 24 are respectively contacted with the four moving mechanisms, the moving mechanisms comprise two triangular rods 16 which are rotationally sleeved on the two sides of the lower end of the inverted V-shaped frame 7, the three ends of the triangular rods 16 are rotationally sleeved with roller pieces 17, the contact rods 24 are positioned between the two adjacent ends of the triangular rods 16, when the contact rods 24 are rotated to be vertical to the inverted V-shaped frame 7 and are contacted with the two adjacent ends of the triangular rods 16, the stability of the triangular rods 16 can be fully fixed, so that the stable pavement movement can be ensured, when the stair is up and down, the contact rods 24 are separated from the triangular rods 16, facilitating stable rotation of the triangular pole 16 up and down stairs.

Referring to fig. 1 and 4,U, two L-shaped rods 12 are fixed between the support rods 2 and the frame body 1, a cross rod 8 is mounted on the horizontal ends of the two L-shaped rods 12 in a sliding manner, two push rods 10 are connected to the cross rod 8 in a rotating manner, 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 manner, a power mechanism is arranged on the two inverted V frames 7 in a common manner, two sliding sleeves 14 are arranged on the power mechanism and comprise two fixing frames 13 which are respectively fixed to one ends of the two inverted V frames 7 close to the L-shaped rods 12, the two sliding sleeves 14 are respectively and slidably mounted on the two fixing frames 13, a linkage rod 11 is fixed to the opposite sides of the two sliding sleeves 14 in a common manner, an electric telescopic rod 15 is connected to one end of one inverted V frame 7 close to the linkage rod 11 in a common manner, the electric telescopic rod 15 is matched with corresponding parts, the linkage rod 11 can drive the sliding sleeves 14 to move, and the sliding rod 10 can be driven to rotate through the movement of the damping piece 9 to move through the cross rod 8, the sliding rod 10 can be driven to move smoothly, the damping piece is convenient to adjust the angle of the sliding rod 10, the damping piece is kept smoothly, and the vibration of the two sliding rods 14 and the two sliding pieces 9 are matched with the two ends of the damping piece 9 are fully.

Referring to fig. 1, two L-shaped rods 12 are respectively located at two sides of the lower end of the frame body 1, and the two L-shaped rods 12 and the bed plate are arranged in parallel, so that the overall stability is maintained.

Referring to fig. 4, the interference lever 24 is configured as a circular tube, and is configured to better interfere with the triangular rod 16.

Referring to fig. 1, guard rail members are fixed at both sides of the upper end of the frame body 1, so that patients or wounded can be better protected, and falling situations can be avoided.

Referring to fig. 2 and 5, the bed board includes from left to right arranging put sole 1801, connecting plate 1802 and back board 1803 in proper order, the both ends of connecting plate 1802 are articulated with putting sole 1801 and back board 1803 respectively, the both sides of connecting plate 1802 are all rotated and are connected with two cardboards, put sole 1801 and back board 1803's opposite one end both sides all are fixed with the card member, the cardboard is equipped with a plurality of openings with the equal interval in opposite one side of card member, the opening is connected with the card member, can make cardboard and card member separate through rotating the cardboard, and the staff can rotate back board 1803 and putting sole 1801 as required and realize the regulation and control, is convenient for switch between stretcher and seat, can promote the travelling comfort of use, puts between 1801 and the connecting plate 1802 and can only clockwise rotate in 90 within range, also can clockwise in 90 within range between backplate 1803 and the connecting plate 1802, makes the corresponding cardboard make the opening on it connect with corresponding card member, fully guarantees the fastness of connection after adjusting.

In the utility model, when in use, a worker can lift the lower pressing plate 6 by rotating the screw rod 4, can drive the inclined rod 25 by the lower pressing plate 6 to enable the movable plate 22 to pull the pull rod 23 and the abutting rod 24 to rotate, enable the abutting rod 24 and the inverted V-shaped frame 7 to be arranged in parallel, can facilitate the rotation of the triangular rod 16, facilitate the cooperation of the triangular rod 16 and the roller wheel 17 to go up and down stairs, simultaneously, can drive the linkage rod 11 to move through the electric telescopic rod 15 when going up and down stairs, facilitate the push rod 10 to pull the bed plate to rotate, ensure the level of the bed plate, simultaneously, when in vibration occurs, the worker can rotate the backboard 1803 and the foot placing plate 1801 according to the requirement to realize regulation and control, facilitate the switching between the stretcher and the seat, can promote the comfort of use, enable the backboard 1801 and the connecting plate 1801 to rotate within a 90 DEG range clockwise, enable the backboard 1803 and the connecting plate 1802 to rotate within a 90 DEG range, enable the corresponding clamping plate 1803 and the connecting plate to be connected firmly and fully after adjustment.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

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.