CN217391052U - Pick-up device and portable ramp component for wheelchair - Google Patents

Abstract

The utility model provides a pick up ware and automobile-used portable ramp subassembly of wheelchair, the pick up ware includes: a connecting rod; a gripper head assembly disposed at a first end of the linkage, the gripper head assembly having a gripping state and a release state; the handle assembly is arranged at the second end of the connecting rod, and a supporting part matched with the forearm and/or the wrist is formed on the handle assembly. Use the technical scheme of the utility model, come with user's forearm/or wrist butt through setting up the supporting part, when using, the supporting part can carry out the butt with user's forearm and/or wrist department to use user's finger position to form lever structure as the axle, conveniently grab first subassembly and to snatching of object, only utilize user's finger strength to support and have the object to drop or user injured problem among the effectual prior art of overcoming, the effectual reliability of picking up the object of assurance.

Description

Pick-up device and portable ramp component for wheelchair

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a pick up thing ware and automobile-used portable ramp subassembly of wheelchair.

Background

In the use process of the wheelchair, steps or gaps are often encountered. Generally, the wheelchair can pass through the cab apron by placing the cab apron. 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 existing cab apron is too large in size, so that when a person using the wheelchair goes out alone, the cab apron cannot be moved to a corresponding position from the wheelchair to be supported, and the cab apron is large in mass, so that the wrist is easy to shake and unstable, an object can easily fall off, the wrist is easy to hurt to a certain degree, and the use of the wheelchair is still limited.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a pick up ware and automobile-used portable ramp subassembly of wheelchair to solve the inconvenient technical problem who places and the quality is great of cab apron among the prior art.

In order to achieve the above object, the present invention provides a pickup device, including: a connecting rod; a gripper head assembly disposed at a first end of the linkage, the gripper head assembly having a gripping state and a release state; the handle assembly is arranged at the second end of the connecting rod, and a supporting part matched with the forearm and/or the wrist is formed on the handle assembly.

In one embodiment, the gripper head assembly comprises: the first gripper head and the second gripper head can be relatively opened and closed, in the clamping state, the first gripper head and the second gripper head are relatively close, and in the releasing state, the first gripper head and the second gripper head are relatively far away; the control mechanism is arranged on the handle assembly and can control the first grabbing head and the second grabbing head to be switched between the clamping state and the releasing state.

In one embodiment, the control mechanism comprises: a trigger movably disposed on the handle assembly; the pull cable is movably arranged in the connecting rod, one end of the pull cable is connected to the trigger, and the other end of the pull cable is connected to the first grabbing head and/or the second grabbing head; the trigger can drive the first grabbing head and/or the second grabbing head to move through the inhaul cable.

In one embodiment, the link comprises: the first connecting rod is arranged on the grabbing head assembly; the second connecting rod is rotatably arranged on the first connecting rod, and the handle assembly is arranged on the second connecting rod; the pickup includes a storage state in which the first link and the second link are relatively overlapped and an extended state in which the first link and the second link are relatively opened.

In one embodiment, the connecting rod further comprises a limiting pin shaft, a boss is formed on the first connecting rod at the joint of the first connecting rod and the second connecting rod, a groove is formed on the second connecting rod, the boss is rotatably arranged in the groove, the boss and the groove are matched to form a pin shaft seat, the limiting pin shaft is detachably arranged in the pin shaft seat, and the inhaul cable is located outside the pin shaft seat.

In one embodiment, at the joint of the first connecting rod and the second connecting rod, a first rotating disc is arranged on the first connecting rod, two second rotating discs are arranged on the second connecting rod in parallel, a gap is formed between the two second rotating discs, and the first rotating disc and the inhaul cable are movably arranged in the gap.

Another aspect of the utility model provides a portable ramp subassembly for wheelchair, including foretell pickup.

The wheelchair ferry plate assembly further comprises a hinge assembly, and the hinge assembly comprises a first hinge part and a second hinge part which can be opened and closed relatively and rotate; 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 ferry plate for the wheelchair comprises a folded state and an opened state, wherein in the folded state, the first ferry plate piece and the second ferry plate piece are relatively overlapped, and in the opened state, the first ferry plate piece and the second ferry plate piece are relatively opened; the cab apron 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, 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, a clamping part is arranged on the hinge assembly, and in the clamping state, the grabbing head assembly is matched with the clamping part.

In one embodiment, the ferry plate for a wheelchair further comprises a magnet assembly mounted between the first and second ferry plates for maintaining the first and second ferry plates in a folded condition.

Use the technical scheme of the utility model, come with user's forearm/or wrist butt through setting up the supporting part, when using, the supporting part can carry out the butt with user's forearm and/or wrist department to use user's finger position to form lever structure as the axle, conveniently grab first subassembly and to snatching of object, only utilize user's finger strength to support and have the object to drop or user injured problem among the effectual prior art of overcoming, the effectual reliability of picking up the object of assurance.

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. On the attachment

In the figure:

fig. 1 shows a schematic perspective view of an embodiment of a pickup according to the present invention;

FIG. 2 is a schematic view of the pickup of FIG. 1 in a stowed condition;

FIG. 3 shows a schematic structural view of a handle assembly of the pickup of FIG. 1;

FIG. 4 shows a schematic structural view of a gripper head assembly of the pickup of FIG. 1;

FIG. 5 shows a schematic structural view of the junction of the first link and the second link of FIG. 1;

fig. 6 is a schematic perspective view of the ferry plate for wheelchair of the present invention;

FIG. 7 shows a schematic view of an exploded mechanism of the first and second transition plates of FIG. 6;

FIG. 8 illustrates three state views of the ferry plate of the wheelchair of FIG. 6;

FIG. 9 shows a schematic use view of two situations of the ferry plate for the wheelchair of FIG. 6;

FIG. 10 is a schematic view of a first hinge component of the ferry plate for the wheelchair of FIG. 6;

FIG. 11 illustrates a schematic view of a second hinge component of the ferry plate for the wheelchair of FIG. 6.

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 exemplary 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 to 5 show a pickup of the present invention, including: a connecting rod 50; a gripper head assembly 60, the gripper head assembly 60 being disposed at a first end of the linkage 50, the gripper head assembly 60 having a gripping state and a release state; a handle assembly 70, the handle assembly 70 being disposed at the second end of the link 50, and a support portion 71 for engaging with the forearm and/or the wrist being formed on the handle assembly 70. When using, supporting part 71 can carry out the butt with user's forearm and/or wrist department to use user's finger position to form lever structure as the axle, conveniently grab first subassembly 60 and to the snatching of object, the effectual finger strength of overcoming among the prior art that only utilizes the user supports and has the object to drop or the injured problem of user, guarantees the reliable and stable that picks up the object, and supporting part 71 can also regard as the fulcrum of exerting oneself, promotes the availability factor.

Specifically, the handle assembly 70 further includes a connecting portion and a holding portion, the connecting portion is connected to the connecting rod 50, the supporting portion 71 is connected to the connecting portion through the holding portion, the holding portion is obliquely arranged so that a user can conveniently grab the handle when holding the handle, and meanwhile, the supporting portion 71 is also convenient to abut against the forearm or the wrist. When the hand-held type massage device is used, the hand of a user is held at the holding part, and meanwhile, the small arm or the wrist of the user is abutted to the supporting part 71, so that a lever structure is formed by taking the fingers of the user as the axis, and meanwhile, the user can exert force through the fingers and can also support and press through the small arm or the wrist.

As shown in fig. 3, the gripper head assembly 60 includes: the first gripper head 61 and the second gripper head 62 can be opened and closed relatively, in the clamping state, the first gripper head 61 and the second gripper head 62 are relatively close, and in the releasing state, the first gripper head 61 and the second gripper head 62 are relatively far; and the control mechanism is arranged on the handle assembly 70 and can control the first gripper head 61 and the second gripper head 62 to be switched between the clamping state and the releasing state. When an article needs to be grabbed, the first grabbing head 61 and the second grabbing head 62 are relatively far away from each other to form a space between the first grabbing head 61 and the second grabbing head 62, a part capable of being grabbed on the article is placed into the space, then the first grabbing head 61 and the second grabbing head 62 are moved towards each other to gradually reduce the space, and finally the first grabbing head 61 and the second grabbing head 62 are matched with corresponding positions on the article to complete grabbing of the article. The control mechanism can control the first gripper head 61 and the second gripper head 62 under the manual control of a user, and can also automatically control according to a preset program and the like.

Optionally, the control mechanism comprises: a trigger 63, the trigger 63 movably disposed on the handle assembly 70; a cable (not shown) movably disposed in the link 50, one end of the cable being connected to the trigger 63 and the other end of the cable being connected to the first gripper head 61 and/or the second gripper head 62; the trigger 63 can move the first gripper head 61 and/or the second gripper head 62 via a cable. When the user moves the trigger 63, the trigger 63 drives the first gripper head 61 and/or the second gripper head 62 to move through the cable, so that the first gripper head 61 and the second gripper head 62 are relatively far away, and after the user releases the trigger 63, the first gripper head 61 and the second gripper head 62 can move towards each other to grip an article.

More specifically, the gripper head assembly 60 further comprises a return mechanism capable of providing a force for switching the first gripper head 61 and the second gripper head 62 to the gripping state, in which the first gripper head 61 and the second gripper head 62 are both in their respective initial positions, and in the release state, the first gripper head 61 and/or the second gripper head 62 are moved away from their respective initial positions, at which time the return mechanism is capable of causing the first gripper head 61 and/or the second gripper head 62 moved away from their respective initial positions to have a tendency to move towards their respective initial positions. Preferably, the return mechanism is a return spring.

Optionally, a hook is arranged on the gripper head assembly 60, and the pickup can be suspended through the hook so as to be convenient to carry.

More preferably, the link 50 includes: the first connecting rod 51, the gripper head assembly 60 is arranged on the first connecting rod 51; a second link 52, the second link 52 being rotatably disposed on the first link 51, the handle assembly 70 being disposed on the second link 52; the pickup includes a storage state in which the first link 51 and the second link 52 are relatively overlapped and an extended state in which the first link 51 and the second link 52 are relatively opened. When the pickup is in the state of accomodating, thereby can overlap first connecting rod 51 and second connecting rod 52 and reduce the size of pickup, conveniently to the placing and the storage of pickup, and when the pickup is in the state of stretching out, can guarantee that the length of pickup reaches operation requirement.

In one embodiment, the connecting rod 50 further includes a limit pin 53, a boss is formed on the first connecting rod 51 at the joint of the first connecting rod 51 and the second connecting rod 52, a groove is formed on the second connecting rod 52, the boss is rotatably disposed in the groove, the boss and the groove are matched to form a pin shaft seat, the limit pin 53 is detachably disposed in the pin shaft seat, and the inhaul cable is located outside the pin shaft seat. Through setting up the cable in the outside of round pin axle seat, utilize round pin axle seat (arch) to separate cable and spacing round pin axle 53, thereby guarantee when first connecting rod 51 and second connecting rod 52 produce the rotation, the cable can not produce on spacing round pin axle 53's surface and remove and cause the problem of cable or spacing round pin axle 53's friction damage, the effectual cable of having avoided receives spacing round pin axle 53's influence and causes the problem of grabbing first subassembly 60 reliability decline, guarantee that cable connecting rod 50 is in the homoenergetic free activity under the state of accomodating or the state of stretching out.

More specifically, at the junction of first connecting rod 51 and second connecting rod 52, be provided with first carousel on the first connecting rod 51, be provided with two second carousels on the second connecting rod 52 side by side, be formed with the interval between two second carousels, first carousel and cable movably set up in the interval. Two second rotating discs are used for forming the external shape of the joint of the first connecting rod 51 and the second connecting rod 52, a groove is conveniently formed on each second rotating disc, and similarly, a boss is conveniently formed on each first rotating disc. Simultaneously the interval that forms between first carousel and the second carousel can make things convenient for the installation of cable. Preferably, the first rotating disk and the second rotating disk are the same in shape.

Another aspect of the utility model provides a portable ramp subassembly for wheelchair, including foretell pickup.

As shown in fig. 6 to 11, the portable ramp assembly for wheelchair further includes a first transition plate member 10, a second transition 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 unfoldable. The ferry plate for wheelchair includes a folded state in which the first and second ferry plate members 10 and 20 are relatively overlapped, and an opened state in which the first and second ferry plate members 10 and 20 are relatively opened. The ferry plate for the wheelchair comprises a collection state and an expansion state, wherein in the collection state, the first transition plate 10 and the second transition plate 20 are close to the axis of the hinge assembly 30, in the expansion state, the first transition plate 10 and the second transition plate 20 are far away from the axis of the hinge assembly 30, a clamping part 33 is arranged on the hinge assembly 30, and in the clamping state, the grabbing head assembly 60 is matched with the clamping part 33.

As shown in fig. 8, the state a is a folded state and a storage state of the ferry plate for the wheelchair, which is helpful for reducing the space occupation of the ferry plate for the wheelchair, thereby facilitating the carrying. When the cab apron for the wheelchair needs to be used, the cab apron for the wheelchair is firstly operated to the state b, the cab apron for the wheelchair is opened to the opened state from the folded state, then the cab apron for the wheelchair is operated to the state c, the cab apron for the wheelchair is extended to the unfolded state from the storage state, and the widths of the first cab apron piece part 10 and the second cab apron piece part 20 are in accordance with the width of two wheels of the wheelchair. Adopt the technical scheme of the utility model, can reduce the volume of automobile-used cab apron of wheelchair to the cab apron of being more convenient for carries with the car.

As shown in fig. 7, 10 and 11, 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. 7, 10 and 11, in the solution of the present embodiment, the first transition plate 10 is engaged with the first hinge part 31 through a first stopper member, and the second transition plate 20 is engaged with the second hinge part 32 through a second stopper member. 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 alternative implementation, in the solution of the present embodiment, the first limiting member includes a first boss 112 formed on the first cross 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 cross 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 retain the second cross plate 20 in the stowed state, and the other second groove 322 is used to cooperate with the second boss 212 to retain the second cross plate 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. 6 and 7, as a preferred embodiment, the ferry plate for wheelchair further comprises a magnet assembly 40, and the magnet assembly 40 is installed between the first ferry plate member 10 and the second ferry plate member 20. In use, the first and second transition plates 10, 20 may be maintained in a folded state by the magnet assembly 40. As a more preferable embodiment, in the technical solution of 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 automobile-used cab apron of wheelchair was operated fold condition by the open mode, first magnet part 41 just can let on the first cab apron piece 10 with the easy detached both sides of second cab apron piece 20 attract be in the same place, and second magnet part 42 can fix the equipment that other operation automobile-used cab apron of wheelchair was used on the automobile-used cab apron of wheelchair.

As shown in fig. 7 and 9, 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 ferry plate for wheelchair use, two support sides of first mainboard 11 play main supporting role, and two first subplates 12 play auxiliary stay's effect, prevent that ferry plate for wheelchair from skidding to the existence of two first subplates 12 also can let and reduce the clearance of first mainboard 11 and step face, let the more smooth and easy ferry plate for wheelchair that passes through of 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 auxiliary plate 12 and the second auxiliary plate 22 are rotatably disposed, the ferry plate for the wheelchair can have a gradient self-adapting function, and the edge of the ferry plate for the 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 cab apron for the wheelchair and the ground, and preventing the cab apron for the wheelchair from slipping when in use.

More preferably, as shown in fig. 9, 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 cab apron for the wheelchair is prevented from slipping towards the moving direction of the wheelchair when in use, and the cab apron for the wheelchair is more stable to use.

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, the little step etc. before the door of following the way business, the utility model discloses an automobile-used cab apron of wheelchair is applicable to then be 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:

2) the first connecting rod and the second connecting rod rotate flexibly and smoothly, and the inhaul cable cannot be influenced by the limiting pin shaft in the storage state and the stretching state;

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

4) 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 process of reuse, 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 passing of the wheelchair is ensured;

5) 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;

6) 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 by the interaction of the magnet assembly 40 and the first transition plate member 10 and the second transition plate member 20 in the folded state; unfolding and locking, namely locking at two positions in a collection state and a unfolding state by utilizing the elasticity of plastics and in a manner of meshing a boss-groove structure, and ensuring the stability of the ramp in a specific state by the design of the two locking mechanisms.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the 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 one 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, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …", "above … …", "above … …, on a surface", "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 pickup, comprising:

a link (50);

a gripper head assembly (60), said gripper head assembly (60) being disposed at a first end of said linkage (50), said gripper head assembly (60) having a gripping state and a release state;

a handle assembly (70), the handle assembly (70) being disposed at the second end of the link (50), and a support portion (71) for engaging with the forearm and/or wrist being formed on the handle assembly (70).

2. The pickup of claim 1, wherein: the gripper head assembly (60) comprises:

a first gripper head (61) and a second gripper head (62) that are relatively openable and closable, the first gripper head (61) and the second gripper head (62) being relatively close in the gripping state, and the first gripper head (61) and the second gripper head (62) being relatively far apart in the releasing state;

a control mechanism disposed on the handle assembly (70) and capable of controlling the first gripper head (61) and the second gripper head (62) to switch between the gripping state and the releasing state.

3. The pickup of claim 2, wherein: the control mechanism includes:

a trigger (63), the trigger (63) movably disposed on the handle assembly (70);

a cable movably arranged in the connecting rod (50), one end of the cable is connected to the trigger (63), and the other end of the cable is connected to the first grabbing head (61) and/or the second grabbing head (62);

the trigger (63) can drive the first gripping head (61) and/or the second gripping head (62) to move through the stay cable.

4. The pickup of claim 3, wherein said link (50) comprises:

a first link (51), the gripper head assembly (60) being disposed on the first link (51);

a second link (52), the second link (52) being rotatably disposed on the first link (51), the handle assembly (70) being disposed on the second link (52);

the pickup includes a storage state in which the first link (51) and the second link (52) are relatively overlapped and an extended state in which the first link (51) and the second link (52) are relatively opened.

5. The pickup of claim 4, wherein the connecting rod (50) further comprises a limit pin (53), a boss is formed on the first connecting rod (51) and a groove is formed on the second connecting rod (52) at the joint of the first connecting rod (51) and the second connecting rod (52), the boss is rotatably disposed in the groove, the boss and the groove are matched to form a pin shaft seat, the limit pin (53) is detachably disposed in the pin shaft seat, and the pulling cable is located outside the pin shaft seat.

6. The pickup device as set forth in claim 4, wherein a first turn plate is provided on the first link (51) and two second turn plates are provided in parallel on the second link (52) at a junction of the first link (51) and the second link (52), a space is formed between the two second turn plates, and the first turn plate and the cable are movably disposed in the space.

7. A portable ramp assembly for a wheelchair comprising the pickup of any one of claims 1 to 6.

8. The portable ramp assembly for a wheelchair of claim 7 wherein the wheelchair ferry plate assembly further comprises:

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 member (10) slidably mounted on the first hinge member (31);

a second cross piece (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 ferry plate for the wheelchair comprises a folded state and an opened state, wherein in the folded state, the first ferry plate piece (10) and the second ferry plate piece (20) are relatively overlapped, and in the opened state, the first ferry plate piece (10) and the second ferry plate piece (20) are relatively opened;

the ferry plate for the wheelchair comprises a collection state and a development state, wherein in the collection state, the first ferry plate piece (10) and the second ferry plate piece (20) are close to the axis of the hinge assembly (30), and in the development state, the first ferry plate piece (10) and the second ferry plate piece (20) are far away from the axis of the hinge assembly (30);

the hinge assembly (30) is provided with a clamping portion (33), and the grabbing head assembly (60) is matched with the clamping portion (33) in the clamping state.

9. The portable ramp assembly for wheelchair vehicles according to claim 8, characterized in that the first cross-plate member (10) is connected to the first hinge member (31) by a first slide rail member; and/or the second transition plate piece (20) is connected with the second hinge part (32) through a second sliding rail part.

10. The portable ramp assembly for a wheelchair as claimed in claim 8, 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.

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