CN217399319U - Portable ramp for wheelchair - Google Patents

Abstract

The utility model provides a portable ramp for wheelchair. The portable ramp for a wheelchair includes a first transition plate member, a second transition plate member, and a hinge assembly. The hinge assembly comprises a first hinge part and a second hinge part which can rotate relative to each other, wherein a first transition plate piece is slidably arranged on the first hinge part, and a second transition plate piece is slidably arranged on the second hinge part. The first transition plate piece and the second transition plate piece can be folded and unfolded through the hinge assembly. The folding state and the storage state of the portable ramp for the wheelchair are beneficial to reducing the space occupation of the portable ramp for the wheelchair, thereby being convenient to carry. When the portable ramp for the wheelchair is required to be used, the portable ramp for the wheelchair is opened from a folded state to an opened state, and then the portable ramp for the wheelchair is extended from a storage state to an unfolded state, so that the widths of the first transition plate piece and the second transition plate piece accord with the width of two wheels of the wheelchair.

Description

Portable ramp for wheelchair

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a portable ramp is used to wheelchair.

Background

In the use process of the wheelchair, steps or gaps are often encountered. Generally, the wheelchair can pass through the ferry plate. In places such as subways or shopping malls, special ferry plates are generally provided for wheelchair vehicles. However, in some cases it is not convenient to find the ferry plate. The size of current cab apron is too big again, and the basic body is present product width ratio wide, is unfavorable for the trip to carry, even folding type product also uses two boards and three boards concatenation, folding form as the main more, and folding back product width is still broad, is not convenient for carry along with the wheelchair, lets the use of wheelchair still receive the restriction.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a portable ramp is used to wheelchair to solve the technical problem that cab apron is not portable among the prior art.

In order to achieve the above object, the utility model provides a portable ramp for wheelchair, include: the hinge assembly comprises a first hinge part and a second hinge part which can rotate relatively to open and close; a first cross plate member slidably mounted on the first hinge member; a second cross plate member slidably mounted on the second hinge member; the first transition plate piece and the second transition plate piece can be folded and unfolded through the hinge assembly; the portable ramp for the wheelchair comprises a folded state and an opened state, wherein the first transition plate piece and the second transition plate piece are relatively overlapped in the folded state, and the first transition plate piece and the second transition plate piece are relatively opened in the opened state; the portable ramp for the wheelchair comprises a collection state and an expansion state, wherein in the collection state, the first transition plate piece and the second transition plate piece are close to the axis of the hinge assembly, and in the expansion state, the first transition plate piece and the second transition plate piece are far away from the axis of the hinge assembly.

In one embodiment, the first cross piece member is connected to the first hinge member by a first rail member; and/or the second transition plate piece is connected with the second hinge part through a second sliding rail part.

In one embodiment, the first slide rail member includes a first slide track formed on the first hinge member and a first slide block formed on the first ferry member; and or, the second slide rail member includes a second slide track formed on the second hinge member and a second slide block formed on the second cross plate member.

In one embodiment, the first transition plate member is matched with the first hinge part through a first limiting part; and/or the second transition plate part is matched with the second hinge part through a second limiting part; the first limiting part and the second limiting part are used for limiting the first transition plate part and the second transition plate part in a collection state or a spreading state.

In one embodiment, the first stop member comprises a first boss formed on the first ferry member, and two first grooves formed on the first hinge member; and/or the second limiting part comprises a second boss formed on the second cab apron piece and two second grooves formed on the second hinge part.

In one embodiment, the portable ramp for a wheelchair further comprises a magnet assembly mounted between the first and second transition plates for maintaining the first and second transition plates in the collapsed state.

In one embodiment, a magnet assembly comprises: the first magnet part is arranged on the first ferry plate part and one side of the second ferry plate part, which is far away from the hinge assembly; a second magnet member mounted on one of the first and second transition plate members.

In one embodiment, the first ferry plate member comprises a first main plate and two first secondary plates, the two first secondary plates being rotatably mounted on two support sides of the first main plate; and/or the second ferry plate member comprises a second main plate and two second secondary plates, the two second secondary plates being rotatably mounted on two support sides of the second main plate.

In one embodiment, the first cross plate member further comprises first non-slip pads disposed on both supporting sides of the first main plate and/or both supporting sides of the first sub-plate; and/or the second cross plate member further comprises second non-slip pads disposed on both supporting sides of the second main plate and/or both supporting sides of the second sub-plate.

In one embodiment, first limit lobes are provided on both support sides of the first main plate; second limiting convex angles are arranged on two supporting sides of the second main plate; the first limiting convex angle and the second limiting convex angle are used for being matched and propped against the edge of the step.

Use the technical scheme of the utility model, the fold condition and the collection state of the automobile-used portable ramp of wheelchair help reducing the automobile-used portable ramp of wheelchair space and occupy to portable. When the portable ramp for the wheelchair is required to be used, the portable ramp for the wheelchair is opened from a folded state to an opened state, and then the portable ramp for the wheelchair is extended from a storage state to an unfolded state, so that the widths of the first transition plate piece and the second transition plate piece accord with the width of two wheels of the wheelchair. Adopt the technical scheme of the utility model, can reduce the automobile-used portable ramp's of wheelchair volume to the cab apron of being more convenient for carries with the car.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to constitute a limitation on the invention. In the drawings:

FIG. 1 shows a schematic perspective view of an embodiment of a portable ramp for a wheelchair in accordance with the present invention;

FIG. 2 shows a schematic exploded view of first and second cross pieces of the portable ramp for the wheelchair of FIG. 1;

FIG. 3 illustrates three state views of the portable ramp of the wheelchair of FIG. 1;

FIG. 4 shows a schematic use of the portable ramp of the wheelchair of FIG. 1 in two situations;

FIG. 5 shows a schematic view of a first hinge component of the portable ramp for the wheelchair of FIG. 1;

FIG. 6 shows a schematic view of the second hinge component of the portable ramp for a wheelchair of FIG. 1.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Fig. 1 shows an embodiment of a portable ramp for a wheelchair according to the present invention, which includes a first cross plate member 10, a second cross plate member 20, and a hinge assembly 30. The hinge assembly 30 includes a first hinge part 31 and a second hinge part 32 which are opened and closed and rotated with respect to each other, the first cross plate member 10 is slidably mounted on the first hinge part 31, and the second cross plate member 20 is slidably mounted on the second hinge part 32. The first and second transition plates 10 and 20 are foldably movable by the hinge assembly 30 and are unfoldable. The portable ramp for a wheelchair includes a folded state in which the first and second transition plates 10 and 20 are relatively overlapped, and an opened state in which the first and second transition plates 10 and 20 are relatively opened. The portable ramp for a wheelchair includes a stowed state in which the first and second transition plates 10, 20 are close to the axis of the hinge assembly 30 and a deployed state in which the first and second transition plates 10, 20 are away from the axis of the hinge assembly 30.

As shown in fig. 3, the state a is a folded state and a stowed state of the portable ramp for a wheelchair, and contributes to reducing the space occupation of the portable ramp for a wheelchair, thereby facilitating carrying. When the portable ramp for the wheelchair is required to be used, the portable ramp for the wheelchair is firstly operated to the state b, the portable ramp for the wheelchair is opened to the opened state from the folded state, then the portable ramp for the wheelchair is operated to the state c, the portable ramp for the wheelchair is extended to the unfolded state from the storage state, and the widths of the first transition plate piece 10 and the second transition plate piece 20 are in accordance with the width of two wheels of the wheelchair. Adopt the technical scheme of the utility model, can reduce the automobile-used portable ramp's of wheelchair volume to the cab apron of being more convenient for carries with the car.

As shown in fig. 2, 5 and 6, the first cross plate member 10 is connected to the first hinge member 31 via a first rail member, and the second cross plate member 20 is connected to the second hinge member 32 via a second rail member. The arrangement of the first slide rail part and the second slide rail part can guide the moving direction of the first transition plate part 10 and the second transition plate part 20, and can make the first transition plate part 10 and the second transition plate part 20 move more smoothly.

Optionally, as an alternative implementation, in the solution of the present embodiment, the first slide rail part includes a first slide way 311 formed on the first hinge part 31, and a first slide block 111 formed on the first cross plate part 10, and the second slide rail part includes a second slide way 321 formed on the second hinge part 32, and a second slide block 211 formed on the second cross plate part 20. As another alternative embodiment, the first slide way 311 may be formed on the first cross plate 10, and the first slider 111 may be formed on the first hinge part 31; with the second runner 321 formed on the second cross plate member 20 and the second slider 211 formed on the second hinge part 32.

In addition to the above-described embodiments, it is also possible to connect only the first cross plate member 10 to the first hinge part 31 via a first rail part, or to connect only the second cross plate member 20 to the second hinge part 32 via a second rail part.

As other alternative embodiments, the first slide rail part and the second slide rail part may also be a matching structure of the slide rail and the slide block.

As shown in fig. 2, 5 and 6, in the solution of the present embodiment, the first transition plate member 10 is engaged with the first hinge part 31 through a first stopper, and the second transition plate member 20 is engaged with the second hinge part 32 through a second stopper. The first and second limiting members are used for limiting the first and second deck members 10 and 20 in the stowed state or the deployed state. Optionally, as an optional implementation manner, in the technical solution of the present embodiment, the first limiting member includes a first boss 112 formed on the first transition plate member 10, and two first grooves 312 formed on the first hinge member 31, and the second limiting member includes a second boss 212 formed on the second transition plate member 20, and two second grooves 322 formed on the second hinge member 32. One of the first grooves 312 is used for being matched with the first boss 112 to limit the first transition plate member 10 in the storage state, and the other first groove 312 is used for being matched with the first boss 112 to limit the first transition plate member 10 in the unfolding state; similarly, one second groove 322 is used to cooperate with the second boss 212 to position the second cross plate member 20 in the stowed state, and the other second groove 322 is used to cooperate with the second boss 212 to position the second cross plate member 20 in the deployed state.

As other alternative embodiments, it is also possible to form the first groove 312 on the first cross plate member 10, and form the first boss 112 on the first hinge part 31; with the second recess 322 formed in the second cross member 20 and the second boss 212 formed in the second hinge part 32.

More preferably, in the technical solution of this embodiment, the first groove 312 and the second groove 322 are arc-shaped grooves, and the first boss 112 and the second boss 212 are arc-shaped bosses, so that the arc-shaped structures are more convenient for relative sliding. As other alternative embodiments, the structures of the first recess 312, the second recess 322, the first boss 112, and the second boss 212 may have other shapes.

In addition to the above-described embodiments, it is also possible to engage only the first cross plate 10 with the first hinge part 31 via a first stop element, or to engage only the second cross plate 20 with the second hinge part 32 via a second stop element.

As shown in fig. 1 and 2, as a preferred embodiment, the portable ramp for a wheelchair further includes a magnet assembly 40, and the magnet assembly 40 is installed between the first and second ferry members 10 and 20. In use, the first and second cross-piece members 10, 20 may be maintained in a folded condition by the magnet assembly 40. As a more preferable embodiment, in the present embodiment, the magnet assembly 40 includes a first magnet member 41 and a second magnet member 42. A first magnet member 41 is mounted on the first transition plate member 10 and on the second transition plate member 20 on the side remote from the hinge assembly 30, and a second magnet member 42 is mounted on one of the first transition plate member 10 and the second transition plate member 20. Use the technical scheme of the utility model, when the portable ramp is operated to fold condition by the open mode for wheelchair car, first magnet part 41 just can let on the first cross plate piece 10 with the easy detached both sides of second cross plate piece 20 attract be in the same place, and second magnet part 42 can fix the equipment that other operations wheelchair car used portable ramp on the portable ramp is used to wheelchair car.

As shown in fig. 2 and 4, in the solution of the present embodiment, the first ferry plate 10 includes a first main plate 11 and two first sub-plates 12, the two first sub-plates 12 are rotatably mounted on both supporting sides of the first main plate 11, the second ferry plate 20 includes a second main plate 21 and two second sub-plates 22, and the two second sub-plates 22 are rotatably mounted on both supporting sides of the second main plate 21. In the process of using the portable ramp for the wheelchair, two supporting sides of the first main plate 11 play a main supporting role, two first auxiliary plates 12 play an auxiliary supporting role, so that the portable ramp for the wheelchair is prevented from skidding, and the existence of the two first auxiliary plates 12 can also reduce the gap between the first main plate 11 and the step surface, so that the wheelchair can more smoothly pass through the portable ramp for the wheelchair. Similarly, the roles of the second main plate 21 and the two second sub-plates 22 are also the same. In addition, it should be noted that, because the first subplate 12 and the second subplate 22 are rotatably disposed, the portable ramp for wheelchair can have a gradient self-adapting function, and the edge of the portable ramp for wheelchair can better fit with the step surface, thereby facilitating the passage of the wheelchair. The existing product adopts a method that a plate-type structure is lapped to the edge of a ramp, but the two sides of the ramp structure adopt a fixed-angle design, so that when the wheelchair is used on roads with different height differences, the wheelchair is not tightly attached to the road, the conditions of jolt, ramp displacement and the like are caused, and the passing uncertainty of the wheelchair is increased.

Optionally, two supporting sides of the first main plate 11 and two supporting sides of the second main plate 21 are cylindrical structures, so that the supporting is convenient to match with step surfaces with different slopes for supporting.

More preferably, the reinforcing ribs are uniformly distributed on the first main board 11 and the second main board 21, so that the structural strength of the first main board 11 and the structural strength of the second main board 21 are improved.

More preferably, in the solution of the present embodiment, the first ferry plate 10 further includes a first non-slip pad 13, the first non-slip pad 13 is disposed on two supporting sides of the first main plate 11 and two supporting sides of the first secondary plate 12, and the second ferry plate 20 further includes a second non-slip pad 23, and the second non-slip pad 23 is disposed on two supporting sides of the second main plate 21 and two supporting sides of the second secondary plate 22. The first non-slip mat 13 and the second non-slip mat 23 are used for enhancing the sliding friction force between the portable ramp for the wheelchair and the ground, and preventing the portable ramp for the wheelchair from slipping during use. In the technical solution of this embodiment, the first anti-skid pad 13 is rectangular, and the second anti-skid pad 23 is circular. As other alternative embodiments, the first and second anti-slip pads 13 and 23 may have other polygonal shapes or irregular shapes, so as to achieve better increase of sliding friction with the ground.

More preferably, as shown in fig. 4, in the solution of the present embodiment, a first limit lobe 113 is provided on both supporting sides of the first main plate 11, and a second limit lobe 213 is provided on both supporting sides of the second main plate 21. In the using process, the first limit convex angle 113 and the second limit convex angle 213 are used for being matched and abutted against the edge of the step, so that the portable ramp for the wheelchair is prevented from slipping towards the moving direction of the wheelchair when in use, and the portable ramp for the wheelchair is more stable to use. In the solution of the present embodiment, the first limiting lobe 113 and the second limiting lobe 213 are triangular prisms. As other alternative embodiments, the first and second limiting lobes 113 and 213 may also be other quadrangular, polygonal, or irregular shapes, so as to achieve better engagement against the edge of the step.

When the wheelchair under the road conditions of partly traveling, can meet some road surfaces that have the difference in height, for example there are certain difference in height in subway carriage face and platform ground, the curb of road both sides, along little step before the way merchant door etc. the utility model discloses a portable ramp is used for the wheelchair then is applicable to these situations, can let the wheelchair more be convenient for pass through.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1) and (3) weight reduction design: the main structure of the portable ramp for the wheelchair is made of plastic materials, the density of the material is far less than that of aluminum and carbon fiber, and meanwhile, the grid reinforcing ribs of the main plate and the auxiliary plate are designed, so that the effect of small weight and large bearing is realized, and the portable ramp is lighter and more convenient to carry;

2) gradient self-adaptive design: the main board is connected with the auxiliary board through a cylindrical rotating shaft, and the auxiliary board can rotate relative to the main board; in the use process, the cylindrical surfaces at the two ends of the main plate are contacted with the ground, and the auxiliary plate is attached to the ground through rotating around the shaft, so that the adaptability in a certain angle range is realized, and the smoothness of the wheelchair passing is ensured;

3) and (3) miniaturization design: in order to meet the requirement of smooth passing of the wheelchair, the width of the wheelchair is greatly reduced in a closed state through the folding-unfolding design, and the wheelchair is convenient to carry in a trip;

4) locking design: unlocking and locking, and ensuring that the relative positions of the first transition plate member 10 and the second transition plate member 20 are fixed through the magnet assembly 40 and the interaction of the first transition plate member 10 and the second transition plate member 20 in a folded state; the ramp is unfolded and locked, the two positions of the ramp are locked in a collection state and an unfolding state by utilizing the elasticity of plastics and in a mode of meshing a boss-groove structure, and the stability of the ramp in a specific state is ensured by the design of the two locking mechanisms.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A portable ramp for a wheelchair, comprising:

the hinge assembly (30) comprises a first hinge part (31) and a second hinge part (32) which can rotate relatively to each other;

a first cross piece (10) slidably mounted on said first hinge part (31);

a second cross member (20) slidably mounted on said second hinge member (32);

the first transition plate piece (10) and the second transition plate piece (20) can be folded and unfolded through the hinge assembly (30);

the portable ramp for the wheelchair comprises a folded state and an opened state, wherein in the folded state, the first transition plate piece (10) and the second transition plate piece (20) are overlapped oppositely, and in the opened state, the first transition plate piece (10) and the second transition plate piece (20) are opened oppositely;

the portable ramp for the wheelchair comprises a storage state and a development state, wherein in the storage state, the first transition plate piece (10) and the second transition plate piece (20) are close to the axis of the hinge assembly (30), and in the development state, the first transition plate piece (10) and the second transition plate piece (20) are far away from the axis of the hinge assembly (30).

2. A portable ramp for a wheelchair according to claim 1, characterised in that the first cross member (10) is connected to the first hinge member (31) by a first slide member; and/or the second transition plate piece (20) is connected with the second hinge part (32) through a second sliding rail part.

3. The portable ramp for wheelchair vehicles according to claim 2, characterized in that the first slide rail member comprises a first slide way (311) formed on the first hinge member (31), and a first slider (111) formed on the first cross member (10); and or, the second slide rail member comprises a second slide way (321) formed on the second hinge member (32), and a second slide block (211) formed on the second cross plate member (20).

4. The portable ramp for wheelchair according to claim 2, characterized in that the first cross piece (10) is engaged with the first hinge part (31) by a first stop part; and/or the second transition plate piece (20) is matched with the second hinge part (32) through a second limiting part;

the first and second limiting members are used to limit the first and second cross plates (10, 20) in a stowed or deployed state.

5. A portable ramp for a wheelchair according to claim 4, characterised in that the first stop member comprises a first boss (112) formed on the first cross member (10) and two first recesses (312) formed on the first hinge member (31); and/or the second limiting part comprises a second boss (212) formed on the second transition plate part (20) and two second grooves (322) formed on the second hinge part (32).

6. The portable ramp for a wheelchair of claim 1, further comprising a magnet assembly (40), the magnet assembly (40) being mounted between the first and second transition plates (10, 20), the magnet assembly (40) being for maintaining the first and second transition plates (10, 20) in a folded condition.

7. The portable ramp for wheelchair of claim 6, wherein said magnet assembly (40) comprises:

a first magnet part (41), the first magnet part (41) being mounted on the first transition plate part (10) and on the second transition plate part (20) on the side remote from the hinge assembly (30);

a second magnet member (42) mounted on one of said first and second cross-plate members (10, 20).

8. Portable ramp for wheelchair according to claim 1, characterized in that the first cross piece (10) comprises a first main plate (11) and two first secondary plates (12), the two first secondary plates (12) being rotatably mounted on two supporting sides of the first main plate (11); and/or the second cross plate (20) comprises a second main plate (21) and two second secondary plates (22), the two second secondary plates (22) being rotatably mounted on two supporting sides of the second main plate (21).

9. Portable ramp for wheelchair according to claim 8, characterized in that the first cross plate (10) further comprises first non-slip mats (13), the first non-slip mats (13) being provided on both supporting sides of the first main plate (11) and/or both supporting sides of the first secondary plate (12); and/or the second cross plate (20) further comprises second non-slip pads (23), the second non-slip pads (23) being arranged on both supporting sides of the second main plate (21) and/or on both supporting sides of the second secondary plate (22).

10. Portable ramp for wheelchair according to claim 8, characterized in that on both supporting sides of the first main plate (11) there are provided first limit lobes (113); second limit lobes (213) are provided on both support sides of the second main plate (21); the first limiting convex angle (113) and the second limiting convex angle (213) are used for being matched and abutted against the edge of the step.

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