CN215652090U

CN215652090U - Multi-purpose stretcher

Info

Publication number: CN215652090U
Application number: CN202120891662.8U
Authority: CN
Inventors: 周翔; 程鹏飞; 杨俊哲
Original assignee: General Hospital of Central Theater Command of PLA
Current assignee: General Hospital of Central Theater Command of PLA
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-01-28
Anticipated expiration: 2031-04-25

Abstract

The utility model belongs to the technical field of medical equipment, solves the technical problems that in the prior art, a stretcher is single in function and application, cannot meet complex and variable use environments and cannot be adapted to complex terrains in mountainous areas, and provides a multipurpose stretcher. The multipurpose stretcher comprises a main frame body and four supporting legs; the main frame body covers and is provided with the stretcher carrier, and four corners department of the main frame body is located to four landing legs, is used for supporting the main frame body, and each landing leg all includes support post and wheel components, and the main frame body is connected to the one end of support post, and wheel components is connected to the other end, and wheel components includes two at least movable rollers that are connected to the side of support post switchably, and one of them of movable roller is the multiangular gyro wheel. The multifunctional stretcher can be provided with various special rollers, different movable rollers can be switched according to requirements, and particularly the polygonal rollers can be easily supported between gravels to limit the stretcher to slide, so that the multifunctional stretcher has strong adaptability to mountainous terrain.

Description

Multi-purpose stretcher

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a multipurpose stretcher.

Background

The stretcher is one of medical equipment for transporting wounded, and after an accident happens, in the process of rescuing the wounded, the transfer of the wounded is an important link, and at the moment, medical personnel often adopt the stretcher to transport patients to carry out timely medical care and rescue.

However, the stretcher in the traditional technology has single function and use, and is not enough to cope with complicated and variable use environments. The existing stretcher is usually used by two persons on a flat ground to transport wounded persons. The stretcher cannot adapt to the complex terrain in mountainous areas, so that rescue work cannot be carried out rapidly.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a multipurpose stretcher, which is used for solving the technical problems that the stretcher in the prior art has single function and single use, is not enough to cope with complicated and variable use environments, and especially cannot adapt to complicated terrains in mountainous areas.

The technical scheme adopted by the utility model is as follows:

the present invention provides a multipurpose stretcher, comprising: the main frame body is covered with a stretcher carrier; and the number of the first and second groups,

the four supporting legs are arranged at the four corners of the main frame body and used for supporting the main frame body, each supporting leg comprises a supporting upright post and a roller assembly, one end of each supporting upright post is connected with the main frame body, and the other end of each supporting upright post is connected with the roller assembly;

wherein the roller assembly comprises at least two movable rollers switchably connected to the side surface of the support column, and one of the movable rollers is a polygonal roller.

Preferably, the roller assembly comprises a connecting rod, two movable rollers and a locking piece;

the connecting rod rotates to be connected to the side of support post, two movable gyro wheels are located respectively the both ends of connecting rod, the locking piece locks in proper order and connects the connecting rod with the support post, be used for the locking the connecting rod.

Preferably, two supporting cross rods are arranged between the two supporting legs in the width direction of the main frame body, the supporting cross rods and the two supporting upright columns form a supporting frame, and two supporting frames are arranged below the main frame body.

Preferably, each of the support columns is formed with a mounting groove arranged along the height direction, the mounting groove includes a mounting hole and a channel communicated with the mounting hole, and the mounting hole and the channel are both concavely arranged on the peripheral side of the support column;

the two ends of the supporting cross rod are convexly provided with elastic clamping joints, and the shape of each elastic clamping joint is matched with that of the corresponding mounting hole so that the supporting cross rod is clamped between the two supporting upright columns to form the supporting frame.

Preferably, at least one of the support frames is rotatably folded to the plane of the main frame body, and the support cross bar extends out of the plane of the main frame body to serve as a force application handle.

Preferably, the multipurpose stretcher further comprises a falling prevention device arranged on the main frame body, and the falling prevention device is used for preventing the wounded from falling off from the multipurpose stretcher.

Preferably, the anti-falling device comprises an installation plate extending inwards from the end part of the main frame body, an assembly frame extending upwards from the installation plate, and an anti-falling net bag connected to the assembly frame.

Preferably, the anti-falling device further comprises a plurality of protection columns, wherein the plurality of protection columns are arranged in parallel, and each protection column faces the main frame body in an inclined mode.

Preferably, the two support frames are both rotatably folded to the plane where the main frame body is located, the main frame body comprises a pair of cross rods arranged side by side, and two opposite hinge points are arranged in the middle of the two cross rods and used for folding the main frame body.

Preferably, the polygonal roller is set to be an octagonal roller.

In conclusion, the beneficial effects of the utility model are as follows:

the utility model provides a multipurpose stretcher, comprising: the main frame body and four supporting legs are arranged at four corners of the main frame body and used for supporting the main frame body, each supporting leg comprises a supporting upright post and a roller assembly, one end of each supporting upright post is connected with the main frame body, and the other end of each supporting upright post is connected with the roller assembly; the roller assembly comprises at least two movable rollers which are switchably connected to the side surface of the supporting upright post, wherein one of the movable rollers is a polygonal roller. The utility model has the advantages of but the multiple special gyro wheel of the multiple adaptation different topography of mountable on the multipurpose stretcher can switch different movable gyro wheels as required under the changeable condition of use scene, under the flat condition of relief, can use general rounding off gyro wheel, can satisfy the demand of transporting wounded this moment. If the roller is to adapt to the rugged terrain in the mountain area, the roller is correspondingly switched to a multi-angle roller. The multi-angle roller is provided with a plurality of angles, can be easily supported between the gravels, plays a role of temporary support, limits the sliding trend of the stretcher, and has strong adaptability to mountainous terrain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without any creative effort, other drawings may be obtained according to the drawings, and these drawings are all within the protection scope of the present invention.

Fig. 1 is a schematic perspective view of a multipurpose stretcher according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in an embodiment of the present invention;

fig. 3 is a schematic perspective view of a multipurpose stretcher according to another embodiment of the present invention.

Description of the reference numerals

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the embodiments of the present invention and the various features of the embodiments may be combined with each other within the scope of the present invention.

The present invention provides a multipurpose stretcher 1000, please refer to fig. 1, the multipurpose stretcher 1000 comprises a main frame 100 and four legs 200; the main frame body 100 is covered with the stretcher carrier 110, the four supporting legs 200 are arranged at the four corners of the main frame body 100 and used for supporting the main frame body 100, each supporting leg 200 comprises a supporting upright column 210 and a roller assembly 220, one end of the supporting upright column 210 is connected with the main frame body 100, the other end of the supporting upright column 210 is connected with the roller assembly 220, the roller assembly 220 comprises at least two movable rollers 222 which are connected to the side surface of the supporting upright column 210 in a switchable manner, and one of the movable rollers 222 is a polygonal roller. Through the flexible switching movable idler wheels 222, different types of movable idler wheels 222 can be flexibly switched according to different use scenes. For example, if need transport wounded in the mountain area, because the mountain area topography is rugged, ordinary gyro wheel probably can not accomplish work well, at this moment, can adopt the multiangular gyro wheel, the multiangular gyro wheel can form the interim support to the body frame body 100 between the grit in mountain area, alleviates the slip trend of stretcher to can adapt to the mountain area topography better, so that medical personnel transport wounded. It should be noted that the use of the multi-angle roller has a disadvantage in that the multi-angle roller forms a plurality of angles, which is not conducive to the rolling of the roller assembly 220. The research shows that: the more angles the polygon roller makes, the more it is easy to roll, but the temporary supporting effect is reduced. In order to balance the rolling effect and the temporary supporting effect, the octagonal roller can be selected, so that the novel roller can save labor during rolling and can also play an ideal temporary supporting effect.

It is further noted that the arrangement of the movable rollers 222 is by no means limited thereto, and that the type of the movable rollers 222 may be more varied without departing from the essence of the present invention, for example, if the multipurpose stretcher 1000 is used in snow conditions, it is fully possible to arrange an anti-skid roller specially adapted to snow, etc. Moreover, the number of the movable rollers 222 can be flexibly adjusted according to actual conditions, even a common type of movable roller 222 can be additionally installed, and the movable rollers 222 can be used as follow-up storage for use as needed.

Specifically, in an embodiment of the present invention, referring to fig. 1, the roller assembly 220 includes a connecting rod 221, two movable rollers 222, and a locking member 223; the connecting rod 221 is rotatably connected to the side surface of the supporting upright 210, the two movable rollers 222 are respectively arranged at two ends of the connecting rod 221, and the locking piece 223 is sequentially locked and connected with the connecting rod 221 and the supporting upright 210 for locking the connecting rod 221. In this technical scheme, adopt a lockable rotation installation's connecting rod 221, the movable gyro wheel 222 of different grade type is installed respectively at the both ends of connecting rod 221, can conveniently switch different movable gyro wheels 222. In addition, in the using process, a locking member 223 may be further adopted, the locking member 223 may be configured as a locking bolt, and the locking bolt may be sequentially connected with the connecting rod 221 and the support column 210 in a threaded manner. By locking the position of the connecting rod 221, the positions of the two movable rollers 222 are locked, thereby ensuring the normal operation of the multipurpose stretcher 1000.

Further, referring to fig. 1 and 3, a support cross bar 230 is disposed between two legs 200 in the width direction of the main frame 100, the support cross bar 230 and two support columns 210 form a support frame, and two support frames are disposed below the main frame 100. Support crossbars 230 are added, and each support crossbar 230 can be connected between two support columns 210 to form a support frame.

The formed supporting frame can better improve the stress condition of the structure, so that the whole structure has better bearing stability and stronger bearing capacity.

Further, in order to form a stable and reliable support frame, the connection reliability of the support upright 210 and the support rail 230 is particularly critical. For this purpose, referring to fig. 2, each supporting upright 210 is formed with a mounting groove 211 arranged along the height direction, the mounting groove 211 includes a mounting hole 211a and a channel 211b communicated with the mounting hole 211a, and the mounting hole 211a and the channel 211b are both concavely arranged on the peripheral side of the supporting upright 210; the two ends of the supporting cross bar 230 are both provided with elastic clamping joints in a protruding manner, and the shape of the elastic clamping joints is matched with that of the mounting holes 211a so as to clamp the supporting cross bar 230 between the two supporting upright columns 210 to form a supporting frame. In the actual installation process, the elastic clamping joint of the supporting cross rod 230 extends into the supporting upright column 210 through the installation hole 211a, and then the supporting cross rod 230 is pulled down, so that the elastic clamping joint is extruded into the channel 211b and generates elastic deformation due to extrusion. The elastic snap joint which generates elastic deformation can be tightly connected with the inner wall of the channel 211b, so that the connection is stable.

It should be further noted that, in the case of a rugged mountain terrain, due to the large relief, if a conventional two-person stretcher is still used, the frost will be easily applied to the snow in the difficult rescue work. To solve this problem, in the technical solution of the present invention, please refer to fig. 1 and 3, at least one supporting frame may be configured to be rotatably folded to the plane of the main frame 100, and the supporting cross bar 230 extends out of the plane of the main frame 100 to serve as a force applying handle. A braced frame can fold to, braced frame's support horizontal pole 230 can act as the application of force handle, through this kind of structural design, can adopt single multi-functional stretcher of dragging to move ahead in the mountain area, medical personnel can hold support horizontal pole 230 with the hand, regard it as the application of force handle, make the work degree of difficulty of transporting wounded greatly reduce.

Further, both of the two supporting frames can be rotatably folded to the plane of the main frame 100, the main frame 100 includes a pair of cross bars disposed side by side, and the middle portions of the two cross bars are provided with two opposite hinge points for folding the main frame 100. The benefit that so sets up lies in, when need not using multipurpose stretcher 1000, can fold the braced frame at both ends earlier, folds body frame 100 again for body frame 100 and two braced frame coincide, can reduce like this by a wide margin and accomodate the volume, promote multipurpose stretcher 1000's portability, make it easily carry, can satisfy the actual need of multiple rescue scene better.

As mentioned above, the wounded can be transported in the mountain area by pulling the multifunctional stretcher forward by a single person. If the wounded are transported by dragging by one person in the mountain area, the main frame body 100 is inclined, and the wounded placed on the inclined main frame body 100 can be easily dropped on the ground. In order to solve the technical problem, in the technical solution of the present invention, please refer to fig. 3, the multipurpose stretcher 1000 further includes a falling prevention device 300 installed on the main frame 100, and the falling prevention device 300 is arranged to effectively prevent the wounded from falling off from the multipurpose stretcher 1000.

On the basis of not deviating from the substantive content of the utility model, the anti-falling device 300 is arranged in many ways as long as the purpose of preventing the wounded from falling off can be achieved. Specifically, referring to fig. 3, the fall arrest device 300 includes a mounting plate 310 extending inwardly from an end of the main frame 100, a mounting frame 320 extending upwardly from the mounting plate 310, and a fall arrest net bag 330 attached to the mounting frame 320. The mounting plate 310 is firmly connected to the main frame 100, and provides a good mounting base for the mounting frame 320. The assembly frame 320 extends upward relative to the main frame 100 and is covered with an anti-falling net. When the multipurpose stretcher 1000 is in an inclined state, the body of the wounded can be held by the net bag, so that the wounded is prevented from sliding off. And the mesh of the net bag is not too big, which can lead to poor protection effect, and the mesh of the net bag is not too small, and too small can cause the possibility of hurting the wounded, and the proper net bag can be selected according to the actual situation to be installed, so that the relationship between the two can reach better balance, and the restriction is not too much here.

More specifically, for the effect of protecting of promoting for the wounded obtains better protection, avoids secondary damage. Referring to fig. 3, the fall arrest device 300 further includes a plurality of protection posts 340 extending inwardly from the assembly frame 320, the protection posts 340 being disposed side by side, each protection post 340 being disposed to be inclined toward the main frame 100. The plurality of protective columns 340, the protective frames and a part of the main frame body 100 form a protective space surrounded by a half, and a part of the body of the wounded is positioned in the protective space, which is greatly helpful for overcoming the steep terrain in the mountainous area.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multipurpose stretcher characterized in that it comprises:

the main frame body is covered with a stretcher carrier; and the number of the first and second groups,

2. The multipurpose stretcher according to claim 1 wherein the roller assembly comprises a connecting rod, two movable rollers and a locking member;

3. The multipurpose stretcher according to claim 2, wherein a support cross bar is provided between two of the legs in the width direction of the main frame body, the support cross bar and two of the support columns form a support frame, and two of the support frames are provided below the main frame body.

4. The multipurpose stretcher according to claim 3, wherein each of the supporting posts is formed with a mounting groove arranged in a height direction, the mounting groove comprises a mounting hole and a channel communicated with the mounting hole, and the mounting hole and the channel are both concavely arranged on the peripheral side of the supporting post;

5. The multipurpose stretcher according to claim 3, wherein at least one of the support frames is rotatably folded to a plane in which the main frame body is located, and the support cross bar extends out of the plane in which the main frame body is located to serve as a force application handle.

6. The multipurpose stretcher according to any one of claims 1 to 5 further comprising a fall preventing device mounted on the main frame body for preventing a wounded person from sliding off the multipurpose stretcher.

7. The multipurpose stretcher of claim 6 wherein the fall arrest device comprises a mounting plate extending inwardly from the end of the main frame body, an assembly frame extending upwardly from the mounting plate, and a fall arrest net attached to the assembly frame.

8. The multipurpose stretcher according to claim 7, wherein the fall preventing device further comprises a plurality of protection posts extending inwardly from the assembly frame, the protection posts being arranged side by side, each protection post being disposed obliquely toward the main frame body.

9. The multipurpose stretcher according to claim 5, wherein both the supporting frames are rotatably folded to a plane in which the main frame body is located, the main frame body comprises a pair of cross bars arranged side by side, and two opposite hinge points are provided at the middle portions of the two cross bars for folding the main frame body.

10. The multipurpose stretcher according to claim 1 wherein the polygonal rollers are octagonal rollers.