CN219184585U

CN219184585U - Wheelchair lifting trolley

Info

Publication number: CN219184585U
Application number: CN202222571188.8U
Authority: CN
Inventors: 张振男
Original assignee: Shenzhen Xray Electric Co ltd
Current assignee: Shenzhen Xray Electric Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-16
Anticipated expiration: 2032-09-27

Abstract

The application provides a wheelchair lifting cart, which comprises a lifting body and an expansion platform horizontally arranged on the lifting body; the lifting vehicle body comprises a vehicle body main body, a moving wheel set and a lifting device, and is used for bearing the expansion platform and vertically lifting or horizontally moving the expansion platform; the extension platform comprises a platform bottom plate, a ramp plate and an armrest frame, wherein the ramp plate and the armrest frame are arranged on the platform bottom plate and are used for bearing a wheelchair or a stretcher and facilitating access to the characteristic medical vehicle. The wheelchair lifting cart can realize seamless connection between the wheelchair and the special medical vehicle, so that the application scene of the special medical vehicle is more expanded.

Description

Wheelchair lifting trolley

Technical Field

The application relates to the technical field of medical vehicle auxiliary equipment, in particular to a wheelchair lifting cart applicable to a medical vehicle.

Background

With the development of the rapid emergency medical industry, various special medical vehicles are developed and developed. And special medical vehicles with medical imaging equipment such as CT, MR and the like become important mobile equipment for scenes such as remote medical treatment, on-site emergency rescue and the like.

And because of the large volume of professional equipment such as CT, MR, etc., a large car body is required, and the large passenger car or the large truck is generally adopted for refitting and manufacturing. However, due to the large size of the passenger car or the freight car, the door arranged on the car body of the passenger car or the freight car is also higher, and a cat ladder is generally arranged to facilitate up-down access. However, when a person who needs to take a wheelchair or a stretcher is inconvenient to move, the person is difficult to get in or out smoothly.

Disclosure of Invention

In order to overcome the defects in the prior art, the application provides a wheelchair lifting cart for solving the problem that a wheelchair or a stretcher is inconvenient to enter and exit a medical cart.

The application provides a wheelchair lifting cart, which comprises a lifting body and an expansion platform horizontally arranged on the lifting body;

the lifting vehicle body is used for bearing the expansion platform and vertically lifting or horizontally moving the expansion platform and comprises a vehicle body main body, a moving wheel set and a lifting device; the vehicle body main body comprises a vehicle body frame which is horizontally arranged and a control box which is arranged on the vehicle body frame; the moving wheel set is arranged below the vehicle body frame and used for moving under the action of external force;

the bottom end of the lifting device is arranged on the vehicle body frame, and the top end of the lifting device is connected with the expansion platform and used for enabling the expansion platform to vertically lift;

the expansion platform comprises a platform bottom plate, a ramp plate and an armrest frame, wherein the ramp plate and the armrest frame are arranged on the platform bottom plate; the platform bottom plate is arranged in parallel with the vehicle body frame, and the lower surface of the platform bottom plate is connected with the top end of the lifting device; the platform bottom plate is of a square plane structure and comprises a first side edge, a second side edge, a third side edge and a fourth side edge which are sequentially connected; the ramp plate comprises a first ramp plate and a second ramp plate which are arranged in parallel at intervals, and one ends of the first ramp plate and the second ramp plate are hinged with the first side edge of the platform bottom plate; the handrail frame comprises a first handrail and a second handrail which are oppositely arranged, the first handrail is arranged on a second side edge adjacent to the first side edge of the platform bottom plate, and the second handrail is arranged on a third side edge adjacent to the first side edge of the platform bottom plate.

The lifting vehicle body is used for bearing the expansion platform and vertically lifting or horizontally moving the expansion platform; the extended platform is for carrying a wheelchair or stretcher and facilitating access to a feature medical cart.

In an alternative implementation, the first ramp plate and the second ramp plate are hinged to the platform floor by respective shafts; the first ramp plate or the second ramp plate is rotated about the axis of rotation by an angle of-25 ° to 95 ° with respect to a horizontal reference plane of the platform floor.

The ramp plate according to the implementation mode has the effect of folding, when the wheelchair is used, the ramp plate is put down firstly, so that the wheelchair can be pushed into the expansion platform smoothly, and then the ramp plate can be overturned upwards for stowing, so that the protection effect is achieved.

In an alternative implementation, the lifting device comprises a scissor lift and a drive mechanism; the bottom of the scissor lifting frame is fixedly arranged on the vehicle body frame, and the top of the scissor lifting frame is connected with the platform bottom plate; the driving mechanism is in transmission connection with the scissor lifting frame and is used for driving the scissor lifting frame to be unfolded or folded.

The lifting device has the advantages of folding effect, small volume after folding and convenience for saving space.

In an alternative implementation manner, the moving wheel set includes a pair of universal wheels and a pair of directional wheels, the universal wheels are respectively arranged at two ends of one side edge of the vehicle body frame side by side, and the directional wheels are respectively arranged at two ends of the opposite side edge of the vehicle body frame side by side.

According to the movable wheel set, the directional wheels are combined with the universal wheels, the directional wheels are convenient for guiding straight running, and the universal wheels are convenient for changing the running direction, so that the movable wheel set is more stable in pushing running.

According to the technical scheme provided by the implementation mode, the wheelchair lifting cart can realize seamless butt joint of the wheelchair and the special medical vehicle, so that the application scene of the special medical vehicle is more expanded.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a wheelchair lifting cart according to an embodiment of the present disclosure in a folded state;

FIG. 2 is a schematic view of a wheelchair lift truck according to an embodiment of the present disclosure in an unfolded state;

fig. 3 is a schematic view of a lifting vehicle body in a folded state according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a lifting vehicle body in an unfolded state according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of an expansion platform according to an embodiment of the present disclosure;

fig. 6 is another schematic view of the wheelchair lifting cart in a folded state according to an embodiment of the present disclosure.

Reference numerals illustrate:

1. lifting the vehicle body; 2. an expansion platform;

11. a body main body; 12. a moving wheel group; 13. a lifting device; 111. a vehicle body frame; 112. a control box; 113. a handle; 121. a universal wheel; 122. a directional wheel; 131. a scissors fork lifting frame; 132. a driving mechanism;

21. a platform floor; 22. a ramp plate; 23. a handrail frame; 21a, a first side; 21b, a second side; 21c, a third side; 21d, fourth side; 221. a first ramp plate; 222. a second ramp plate; 223. a flange strip; 224. a pedal; 231. a first armrest; 232. a second armrest.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The terms "first," "second," and the like herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, herein, the terms "upper," "lower," and the like are defined with respect to the orientation in which the structural representation in the drawings is disposed, and the terms "horizontal," "vertical," and the like are defined with respect to the plane of the structural representation in the drawings in combination with the use of the scene, it being understood that these directional terms are relative concepts that are used for the description and clarification with respect thereto, which may vary accordingly depending on the variation in the orientation in which the structure is disposed.

Referring to fig. 1 and 2, an embodiment of the present application provides a wheelchair lifting cart, which includes a lifting vehicle body 1 and an extension platform 2 horizontally disposed on the lifting vehicle body 1.

Referring to fig. 3 and 4, the lifting vehicle body 1 is configured to carry the extension platform 2 and vertically lift or horizontally move the extension platform 2, and the lifting vehicle body 1 includes a vehicle body main body 11, a moving wheel set 12, and a lifting device 13; the body 11 includes a body frame 111 disposed horizontally and a control box 112 disposed on the body frame 111; the moving wheel set 12 is disposed below the vehicle body frame 111, and is used for moving under the action of external force;

the bottom end of the lifting device 13 is arranged on the vehicle body frame 111, and the top end of the lifting device 13 is connected with the extension platform 2 and is used for enabling the extension platform 2 to vertically lift and move;

the expansion platform 2 comprises a platform bottom plate 21, a ramp plate 22 and an armrest frame 23 which are arranged on the platform bottom plate 21; the platform bottom plate 21 is arranged in parallel with the vehicle body frame 111, and the lower surface of the platform bottom plate 21 is connected with the top end of the lifting device 13; the platform bottom plate 21 is a square planar structure, and the platform bottom plate 21 includes a first side 21a, a second side 21b, a third side 21c, and a fourth side 21d, which are sequentially connected; the ramp plate 22 includes a first ramp plate 221 and a second ramp plate 222 disposed in parallel and spaced apart relation, and one end of each of the first ramp plate 221 and the second ramp plate 222 is hinged to the first side 21a of the platform floor 21; the armrest frame 23 includes a first armrest 231 and a second armrest 232 disposed opposite to each other, the first armrest 231 is disposed on a second side 21b adjacent to the first side 21a of the platform floor 21, and the second armrest 232 is disposed on another third side 21c adjacent to the first side 21a of the platform floor 21.

Referring to fig. 1 and 2, the wheelchair lift cart includes a collapsed state and an expanded state: as shown in fig. 1, in the first state, the extension platform 2 is folded on the lifting vehicle body 1, and the ramp plate 22 is unfolded downward, so that a wheelchair or the like can be pushed into the extension platform 2; as shown in fig. 2, in the second state, the ramp 22 is turned upwards and is erected, and the extension platform 2 is lifted to a desired height, so that the fourth side 21d of the extension platform 2 can be docked with the door of the access way of the special medical vehicle, and a wheelchair or the like can smoothly enter the special medical vehicle.

In order to enable the wheelchair lifting cart to achieve seamless docking of the wheelchair with the special medical vehicle, in this embodiment, referring to fig. 6, the fourth side 21d of the platform floor 21 extends outwardly relative to the vehicle body frame 111 with respect to a vertical plane. When in use, the platform bottom plate 21 can be completely stuck to the entrance of the access passage, so that the wheelchair can smoothly enter and exit.

In this embodiment, in order to facilitate smooth pushing in of a wheelchair, the distance between the first ramp plate 221 and the second ramp plate 222 is 50-60cm, the first ramp plate 221 and the second ramp plate 222 are disposed with equal width, and the width of the first ramp plate 2212 or the second ramp plate 22 is 15-25cm.

In this embodiment, in order to prevent the first ramp plate 221 and the second ramp plate 222 from sliding out accidentally, two sides of the first ramp plate 221 and the second ramp plate 222 are provided with a flange 223, and the height of the flange 223 is 4-10cm.

Specifically, in order to enable the ramp plate 22 to be turned, in this embodiment, the first ramp plate 221 and the second ramp plate 222 are hinged to the platform base 21 through rotating shafts (not shown in the drawings), respectively. The rotating shaft is rotatably arranged on the platform bottom plate 21, the first ramp plate 221 and the second ramp plate 222 are respectively provided with a rotating hole (not shown in the figure), and the rotating shaft penetrates through the rotating holes to realize rotation hinging, so that the first ramp plate 221 and the second ramp plate 222 can rotate around the rotating shaft.

In connection with fig. 6, the downward turning angle of the ramp 22 is designed to be close to the ground and to have a reasonable gradient so that a wheelchair user can push the wheelchair into the extended platform by himself. The angle of the downward turning of the ramp plate 22 is set to be a by the horizontal reference surface of the platform floor 21, and in this embodiment, the angle a may be set to be-25 °.

As shown in fig. 5 and 6, in order to keep the ramp plate 22 upright when it is turned upwards, and not easy to loosen, the angle of turning the ramp plate 22 upwards is set to b, which in this embodiment may be set to 95 ° by using the horizontal reference surface of the platform floor 21.

That is, the first ramp plate 221 or the second ramp plate 222 is rotated about the rotation axis by an angle of-25 ° to 95 ° with respect to the horizontal reference surface of the platform floor 21.

The ramp plate 22 has the effect of turning over, when the wheelchair is used, the ramp plate 22 is put down firstly, so that the wheelchair can be smoothly pushed into the expansion platform 2, and then the ramp plate 22 can be turned upwards to be folded, so that the wheelchair plays a protective role.

The length of the ramp plate 22 may be set according to the angle of the ramp plate 22 in combination with the height of the deck plate 21 when it is folded in the body 11.

In order to facilitate the person walking into the extension platform 2, as another person pushing the wheelchair behind the wheelchair into the extension platform 2, as shown in fig. 1, in another embodiment, a plurality of pedals 224 may be further connected between the first ramp plate 221 and the second ramp plate 222, and the pedals 224 are parallel to the first side 21a of the platform floor 21. Specifically, the number of pedals 224 is set according to the length of the ramp plate 22, such as 2 pedals.

As shown in fig. 3 and 4, in this embodiment, the lifting device 13 includes a scissor lifting frame 131 and a driving mechanism 132; the bottom of the scissor lifting frame 131 is fixedly arranged on the vehicle body frame 111, and the top of the scissor lifting frame 131 is connected with the platform bottom plate 21; the driving mechanism 132 is in transmission connection with the scissor lifting frame 131, and is used for driving the scissor lifting frame 131 to be unfolded or folded.

Specifically, the driving mechanism 132 is a hydraulic push rod mechanism, and a driving rod of the hydraulic push rod mechanism is in driving connection with the scissor lifting frame 131 to push the scissor lifting frame 131 to be unfolded or folded.

Specifically, the controller and part of the driving components of the driving mechanism 132 may be disposed in the control box 112.

Specifically, the bottom of the fork lifting frame 131 includes a pair of fixed fork arms with fixed positions and a pair of adjustable fork arms with adjustable positions, and a driving rod of the hydraulic push rod mechanism is in transmission connection with the adjustable fork arms to drive the adjustable fork arms to move, so as to drive the fork lifting frame to lift.

In this embodiment, the moving wheel set 12 includes a pair of universal wheels 121 and a pair of directional wheels 122, the universal wheels 121 are respectively disposed side by side at two ends of one side of the vehicle body frame 111, and the directional wheels 122 are respectively disposed side by side at two ends of the opposite side of the vehicle body frame 111.

By adopting the mode of combining the directional wheel and the universal wheel, the directional wheel is convenient for guiding straight running, and the universal wheel is convenient for changing the running direction, so that the pushing running is more stable.

In this embodiment, for facilitating pushing, a handle 113 for pushing the vehicle body frame 111 is provided on the vehicle body frame 111, where the handle 113 includes two vertical rods vertically disposed on the vehicle body frame 111, and the upper ends of the vertical rods are connected by a bent rod.

The present application has at least one of the following advantages:

(1) The wheelchair lifting cart can realize seamless butt joint between the wheelchair and an access way of the special medical vehicle.

(2) The ramp plate has the effect of folding, and when the wheelchair is used, the ramp plate is put down first, so that the wheelchair can be smoothly pushed into the expansion platform, and then the ramp plate can be upwards overturned and folded, so that the wheelchair has a protective effect.

The wheelchair lifting cart provided by the embodiment of the application is described in detail above, and specific examples are applied to explain the principle and the embodiment of the application, and the description is only used for helping to understand the method and the core mechanism of the application; meanwhile, as those skilled in the art will have modifications in specific embodiments and application scope in accordance with the ideas of the present application, the present disclosure should not be construed as limiting the present application in view of the above description.

Claims

1. The wheelchair lifting cart is characterized by comprising a lifting cart body and an expansion platform horizontally arranged on the lifting cart body;

2. The wheelchair lift cart of claim 1 wherein: the distance between the first ramp plate and the second ramp plate is 50-60cm, the first ramp plate and the second ramp plate are arranged at equal width, and the width of the first ramp plate or the second ramp plate is 15-25cm.

3. The wheelchair lift cart of claim 1 wherein: the first ramp plate and the second ramp plate are both provided with flange strips, and the height of each flange strip is 4-10cm.

4. The wheelchair lift cart of claim 1 wherein: the first ramp plate and the second ramp plate are hinged with the platform bottom plate through rotating shafts respectively; the first ramp plate or the second ramp plate is rotated about the axis of rotation by an angle of-25 ° to 95 ° with respect to a horizontal reference plane of the platform floor.

5. The wheelchair lift cart of claim 2 wherein: the first ramp plate is connected with the second ramp plate, and a plurality of pedals are arranged between the first ramp plate and the second ramp plate and are parallel to the first side edge of the platform bottom plate.

6. The wheelchair lift cart of claim 1 wherein: the lifting device comprises a scissor lifting frame and a driving mechanism; the bottom of the scissor lifting frame is fixedly arranged on the vehicle body frame, and the top of the scissor lifting frame is connected with the platform bottom plate; the driving mechanism is in transmission connection with the scissor lifting frame and is used for driving the scissor lifting frame to be unfolded or folded.

7. The wheelchair lift cart of claim 6 wherein: the driving mechanism is a hydraulic push rod mechanism, and a driving rod of the hydraulic push rod mechanism is in driving connection with the scissor lifting frame so as to push the scissor lifting frame to be unfolded or folded.

8. The wheelchair lift cart of claim 1 wherein: the movable wheel set comprises a pair of universal wheels and a pair of directional wheels, wherein the universal wheels are arranged at two ends of one side edge of the vehicle body frame respectively in parallel, and the directional wheels are arranged at two ends of the opposite side edge of the vehicle body frame respectively in parallel.

9. The wheelchair lift cart of claim 1 wherein: the automobile body frame is provided with a handle for pushing the automobile body frame, the handle comprises two vertical rods which are vertically arranged on the automobile body frame, and the upper ends of the vertical rods are connected through bent rods.

10. The wheelchair lift cart of claim 1 wherein: the fourth side of the deck bed extends outwardly relative to the body frame, with reference to a vertical plane.