CN217014635U

CN217014635U - Walking aid and limiting structure thereof

Info

Publication number: CN217014635U
Application number: CN202220116481.2U
Authority: CN
Inventors: 王永维
Original assignee: Shenzhen Shangshang Life Technology Co ltd
Current assignee: Shenzhen Shangshang Life Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-22
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a walking aid and a limiting structure thereof, wherein the walking aid comprises a left side support, a right side support and a connecting assembly, wherein the connecting assembly is connected between the left side support and the right side support, so that the left side support can rotate to a folded state and an unfolded state relative to the right side support; wherein, the walking aid still includes limit structure, coupling assembling is including connecting the head rod on the left side support and connecting the second connecting rod on the support of right side, limit structure has first spacing groove and the second spacing groove that the interval set up, first spacing groove with the head rod cooperation, the second spacing groove with the cooperation of second connecting rod, be used for with the walking aid restriction is in fold condition with arbitrary position between the expansion state keeps.

Description

Walking aid and limiting structure thereof

Technical Field

The utility model relates to the technical field of walking aids for the old, in particular to a walking aid and a limiting structure thereof.

Background

The walking aid enables the old or the patient with inconvenient legs and feet to take care of oneself through the support of the appliance, and the walking aid can be recovered to be used by the patient after operation when going out like a normal person. Most walking aids at present can not be folded, have large volume and are inconvenient for the old people to carry, and do not have wheels.

SUMMERY OF THE UTILITY MODEL

The utility model provides a walking aid and a limiting structure thereof, and the walking aid has a foldable structure, has smaller volume after being folded, is convenient for the old to carry, and is easy to favor the old.

According to a first aspect of the utility model, there is provided a walking aid comprising a left support, a right support and a connection assembly connected between the left and right supports such that the left support can be rotated relative to the right support to a collapsed position and an expanded position;

wherein, the walking aid still includes limit structure, coupling assembling is including connecting the head rod on the left side support and connecting the second connecting rod on the support of right side, limit structure has first spacing groove and the second spacing groove that the interval set up, first spacing groove with the head rod cooperation, the second spacing groove with the cooperation of second connecting rod, be used for with the walking aid restriction is in fold condition with arbitrary position between the expansion state keeps.

In the walking aid of an embodiment of the utility model, the left side support is provided with a first support rod, a second support rod and a third support rod, one end of the second support rod is movably connected to the first support rod, two ends of the third support rod are respectively movably connected with the second support rod and the middle part of the first support rod, and the first connecting rod is arranged at the connection part of the first support rod and the second support rod.

In the walking aid of one embodiment of the utility model, the left side bracket comprises a first movable member, the second support rod comprises a first connecting section and a second connecting section arranged at an obtuse angle with the first connecting section, and the first connecting section is movably connected with the first support rod through the first movable member.

In the walking aid according to an embodiment of the present invention, the first movable member has a first mounting portion and a first through hole, the first through hole is inserted into the first support rod, and the second support rod is rotatably connected to the first mounting portion.

In an embodiment of the walking aid, the connecting assembly includes a first supporting rod and a second supporting rod which are arranged in a crossed manner, the first movable member is provided with a second mounting portion, one end of the first supporting rod is provided with a third mounting portion, the first supporting rod is rotatably connected with the second mounting portion, and the second supporting rod is rotatably connected with the third mounting portion.

In the walking aid of one embodiment of the utility model, the first movable part is provided with a connecting rod and a supporting rod arranged on the connecting rod, and the first connecting rod is detachably arranged on the supporting rod.

In one embodiment of the walker of the present invention, the structure of the right side frame is the same as the structure of the left side frame.

In the walking aid of one embodiment of the present invention, the connecting assembly comprises a flexible member, and two ends of the flexible member are respectively connected to the first connecting rod and the second connecting rod.

In the walking aid of an embodiment of the present invention, the first connecting rod and the second connecting rod are provided with first fixing parts, the first limiting groove and the second limiting groove are provided with second fixing parts, and the first fixing parts and the second fixing parts are matched for fixing the limiting structure on the first connecting rod and the second connecting rod.

According to a second aspect of the utility model, the utility model further provides a limiting structure, which is used in a walking aid, the walking aid comprises a left side support and a right side support, the left side support is provided with a first connecting rod, the right side support is provided with a second connecting rod, the limiting structure is provided with a first limiting groove and a second limiting groove which are arranged at intervals, the first limiting groove is matched with the first connecting rod, and the second limiting groove is matched with the second connecting rod and used for limiting and keeping the walking aid at any position between a folding state and a unfolding state.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application has designed capable ware and limit structure thereof, should help capable ware to include left side support, right side support and coupling assembling, coupling assembling connects between left side support and right side support for the left side support can rotate to fold condition and expansion state right side support relatively, makes should help capable ware to have beta structure, and folding back volume is less, and the old man of being convenient for carries, receives folding old man of old man's favor easily with helping capable ware. Meanwhile, the walking aid can be limited to any position between the folding state and the unfolding state through the limiting structure and can be kept so as to be used in occasions with small space, such as indoors and the like.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a walker according to one embodiment of the present application in a collapsed configuration;

FIG. 2 is a schematic view of the walker of FIG. 1 shown at another angle;

FIG. 3 is a schematic illustration of the walker of FIG. 1 in a semi-collapsed configuration;

FIG. 4 is an exploded schematic view of the walker of FIG. 3 with the tray separated from the walker;

FIG. 5 is an exploded schematic view of the walker of FIG. 4 with the retention structure separated from the walker;

FIG. 6 is a schematic view of the walker of FIG. 1 in its expanded configuration;

FIG. 7 is an exploded view of the walker of FIG. 1;

FIG. 8 is a schematic view of the left bracket of FIG. 7;

FIG. 9 is a schematic view of the left bracket of FIG. 1 at another angle;

fig. 10 is an exploded view of the connection assembly of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only, and it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 10, according to a first aspect of the present application, the present application provides a walking aid, comprising a left side frame 200, a right side frame 100 and a connecting assembly 300, wherein the connecting assembly 300 is connected between the left side frame 200 and the right side frame 100, so that the left side frame 200 can rotate to a folded state and an unfolded state relative to the right side frame 100, and the walking aid has a foldable structure, has a small volume after being folded, is convenient for the elderly to carry, and is easily favored by the elderly.

It should be noted that such walkers are typically in an unfolded state and that when folding is desired, only the connecting members 300 need to be brought together for folding purposes.

In an alternative embodiment, the left bracket 200 has a first supporting rod 203, a second supporting rod 204 and a third supporting rod 205, wherein one end of the second supporting rod 204 is movably connected to the first supporting rod 203, and two ends of the third supporting rod 205 are respectively movably connected to the second supporting rod 204 and the middle portion of the first supporting rod 203, so that the second supporting rod 204 can be folded relative to the first supporting rod 203.

Illustratively, the left bracket 200 includes a first movable member 206, and the second supporting rod 204 has a first connecting section and a second connecting section arranged at an obtuse angle with the first connecting section, wherein the first connecting section is movably connected with the first supporting rod 203 through the first movable member 206, so that the first supporting rod 203 and the second supporting rod 204 can form a triangle structure with the third supporting rod 205 when in the unfolded state.

In an alternative embodiment, the connecting assembly 300 includes a first rod 305 and a second rod 306 which are crossed and rotatably connected, one end of the first rod 305 and one end of the second rod 306 are respectively hinged to two positions of the left bracket 200, and one end of the first rod 305 and one end of the second rod 306 are respectively hinged to two positions of the right bracket 100, so that the right bracket 100 can be folded by the left bracket 200.

In an alternative embodiment, the structure of the right side bracket 100 is the same as that of the left side bracket 200.

Specifically, the right side support 100 includes a first support tube, a second support tube and a third support tube, one end of the second support tube is movably connected to the first support tube, and two ends of the third support tube are respectively movably connected to the middle of the second support tube and the middle of the first support tube, so that the second support tube can be folded relative to the first support tube.

Similarly, the right bracket 100 includes a second movable member, wherein the second supporting tube has a first supporting section and a second supporting section disposed at an obtuse angle with the first supporting section, and the first supporting section is movably connected to the first supporting tube via the second movable member, so that the first supporting tube and the second supporting tube can form a triangular structure with the third supporting tube when in the unfolded state.

In an alternative embodiment, the connection assembly 300 includes a first connection rod 302 and a second connection rod 301, wherein the first connection rod 302 is connected to the left bracket 200, the second connection rod 301 is connected to the right bracket 100, and the folding of the right bracket 100 and the left bracket 200 can be controlled by the first connection rod 302 and the second connection rod 301.

Specifically, the first connecting rod 302 is disposed at the connection between the first support rod 203 and the second support rod 204, and the first connecting rod 302 is disposed at the connection between the first support tube and the second support tube.

In this embodiment, the first movable member 206 has a first mounting portion and a first through hole, the first through hole is formed in the first support rod 203, and the second support rod 204 is rotatably connected to the first mounting portion. Similarly, the second movable member is provided with a first movable portion and a first movable hole, the first movable hole is inserted into the first support tube, and the first support section is rotatably connected to the first movable portion, so that when the right side support 100 or the left side support 200 is folded, the second movable member can move along the length direction of the first support tube, or the first movable member 206 can move along the length direction of the first support rod 203.

In an alternative embodiment, a second mounting portion is disposed on the first movable member 206, a third mounting portion is disposed at one end of the first support rod 203, a second movable portion is disposed on the second movable member, a third movable portion is disposed at one end of the first support rod 203, one end of the first support rod 305 is rotatably connected to the second mounting portion, the other end of the first support rod 305 is rotatably connected to the third movable portion, the other end of the second support rod 306 is rotatably connected to the third mounting portion, and the other end of the second support rod 306 is rotatably connected to the second movable portion.

In an alternative embodiment, the connecting assembly 300 includes a flexible member 304, wherein both ends of the flexible member 304 are connected to the first connecting rod 302 and the second connecting rod 301, respectively, so that the flexible member 304 can be unfolded or folded, and when unfolded, a seat can be formed for the user to sit and rest.

In an alternative embodiment, the first movable member 206 is provided with a first connecting structure 207, and the first connecting structure 207 includes a connecting rod and a supporting rod provided on the connecting rod, and the first connecting rod is detachably mounted on the supporting rod. Similarly, a second connecting structure is arranged on the second movable member, the structure of the second connecting structure is the same as that of the first connecting structure 207, and the second connecting rod 301 is detachably mounted on the second connecting structure.

In an alternative embodiment, the walker further comprises a receiving structure 500, wherein the receiving structure 500 is provided with a first fixing hole and a second fixing hole, the positions of the first fixing hole and the second fixing hole correspond to the positions of the first connecting rod 302 and the second connecting rod 301, so that the receiving structure 500 keeps the walker in a folded state.

In an alternative embodiment, the walker further comprises a retaining structure 400, the retaining structure 400 having first and second spaced apart retaining grooves, the first retaining groove cooperating with the first connecting rod 302 and the second retaining groove cooperating with the second connecting rod 301 for retaining the walker in any position between the collapsed and expanded positions and for retaining the walker in order to allow the walker to be used in a relatively narrow space, such as indoors, while outdoors this allows the walker to be used in a fully expanded position.

In addition, the walking aid can further comprise a tray 600, the width of the tray 600 is matched with the distance between the first limiting groove and the second limiting groove, so that the tray 600 can be placed on the first connecting rod 302 and the second connecting rod 301 when the walking aid is in a half-folded state, and the auxiliary function of the walking aid is increased.

In an alternative embodiment, the first connecting rod 302 and the second connecting rod 301 are provided with first fixing members, the first limiting groove and the second limiting groove are provided with second fixing members, and the first fixing members and the second fixing members cooperate to fix the limiting structure on the first connecting rod 302 and the second connecting rod 301.

In an alternative embodiment, one of the first fixing member and the second fixing member may be a magnetic attraction member, and the other of the first fixing member and the second fixing member may be a metal attraction member or a magnetic attraction member.

For example, the first fixing member and the second fixing member may be permanent magnets or electromagnets, the permanent magnets may be permanent magnetic alloys of al-ni-co system or permanent magnetic alloys of fe-cr-co system, and the electromagnets may be selectively turned on or off as required to control the operating state of the locking device. The specific type and material of the magnetic attraction member are not limited in this application.

When the position limiting structure 400 is coupled to the first and second connection bars 302 and 301, the opposite poles of the first and second fixing members are opposite to each other, so that the position limiting structure 400 can be firmly fixed to the notch between the first and second connection bars 302 and 301 by the attractive force of the opposite poles. In this embodiment, the first fixing member is at least one magnet disposed on the first connecting rod 302 and the second connecting rod 301, at least one magnet mounting groove is disposed on the first connecting rod 302 and the second connecting rod 301, each magnet is correspondingly mounted on the magnet mounting groove, the second fixing member is a magnetic iron sheet disposed on the limiting structure 400, and the magnetic iron sheet is mounted on the limiting structure 400, so that the magnetic iron sheet can be adsorbed on the at least one magnet.

In addition, the first fixing member and the second fixing member may be magnet members at the same time, wherein the magnetic pole of the first fixing member is opposite to the opposite magnetic pole of the second fixing member, where the opposite magnetic pole means that the opposite magnetic poles of the first fixing member and the second fixing member constitute opposite magnetic poles, so that the position-limiting structure 400 is fixed on the first connecting rod 302 and the second connecting rod 301 under the attraction force of the opposite magnetic poles, so as to keep the walking aid at any position between the folded state and the unfolded state.

It should be noted that the first fixing member may also be a bar magnet, a circular magnet, or a magnet with other shapes, and the second fixing member may be another metal member that can be attracted by the magnet; or the first fixing part is another metal piece capable of being attracted by the magnet, and the second fixing part is the magnet, which is not limited in the present application.

In an alternative embodiment, one of the first fixing element and the second fixing element may be a clamping portion, and the other of the first fixing element and the second fixing element may be a clamping groove portion, and the clamping groove portion is clamped with the clamping portion, so that the limiting structure 400 can be detachably connected to the first connecting rod 302 and the second connecting rod 301.

Illustratively, the first fixing element is a buckling portion disposed on the first connecting rod 302 and the second connecting rod 301, the second fixing element is a clamping groove portion disposed on the limiting structure 400, and the position of the buckling portion corresponds to the position of the clamping groove portion, so that the limiting structure 400 can be locked together by the connection of the buckling portion and the clamping groove portion.

In addition, the buckling portion may also be disposed on the limiting structure 400, the slot portion may also be disposed on the first connecting rod 302 and the second connecting rod 301, and the position of the slot portion corresponds to the position of the buckling portion, so that the limiting structure 400 can be tightly fixed on the first connecting rod 302 and the second connecting rod 301 by the matching of the buckling portion and the slot portion.

In an optional embodiment, one of the first fixing element and the second fixing element may be a hook and loop fastener, the other one of the first fixing element and the second fixing element may be a hook and loop fastener, and the hook and loop fastener is hooked with the hook and loop fastener, so that the limiting structure 400 can be detachably mounted on the first connecting rod 302 and the second connecting rod 301.

Exemplarily, the hook and loop fastener is fixed on the limiting structure 400 through glue, and the hook and loop fastener matt surface is adhered on the end surfaces of the first connecting rod 302 and the second connecting rod 301, so that the bracket door 30 can be adhered on the hook and loop fastener matt surface through the hook and loop fastener matt surface.

In an optional embodiment, the left side support 100 and the right side support 200 are provided with vehicle handles, each vehicle handle comprises a holding portion, a brake handle and a handle sleeve wrapped on the holding portion and the brake handle, the brake handle is hinged to the holding portion, each handle sleeve comprises a breathable layer, a soft rubber body and a self-heating layer arranged between the breathable layer and the soft rubber body, and the soft rubber body is located on the outermost side of the vehicle handle, so that the self-heating layer can heat a human body held on the vehicle handle through the soft rubber body.

Specifically, the handlebar includes a first handlebar 202 and a second handlebar 102, the first handlebar 202 is disposed at the upper end of the right bracket 200, and the second handlebar 102 is disposed at the upper end of the left bracket 100, so that a human body can feel more comfortable when holding the handlebar.

In an optional embodiment, the self-heating layer comprises a self-heating sheet, and a containing bag is formed between the ventilation layer and the soft rubber body and used for placing the self-heating sheet.

In an optional embodiment, the contact surface between the inner side of the containing bag and the self-heating sheet is a heat-conducting fiber surface, and the soft rubber body is bonded on the other side of the heat-conducting fiber surface in a hot-pressing manner.

In an alternative embodiment, the soft gel comprises a soft gel made of a porous or spongy silicone body so as to be able to absorb perspiration generated by holding on the handlebar of the vehicle, so that the hand remains dry and cool, and the soft gel dries almost immediately after the hand is removed from the soft gel.

Due to the porous and spongy nature of the handlebar, it is elastic and thus allows the body to easily conform to any angle or bend in the handlebar when the walker is moving, but still retains its proper shape to appear smooth to the user's hand, and the porosity of the soft gel allows it to prevent the surface of the soft gel from over-expanding or wrinkling when stretched or compressed.

In an optional embodiment, the brake handle is provided with a threaded hole, an adjusting threaded rod is spirally arranged in the threaded hole, and the adjusting threaded rod is abutted to the holding part.

In an optional embodiment, the brake handle is provided with a brake cable through hole, the holding part is provided with a convex structure, the convex structure is provided with a brake cable opening hole which is open and used for the brake cable to enter and exit, and the position of the brake cable opening hole corresponds to the position of the brake cable through hole.

In an alternative embodiment, the handlebar comprises an elastic element, and the elastic element is arranged between the brake handle and the holding part and provides elastic force for resetting the brake handle.

In an optional embodiment, the walking aid comprises a brake cable connected to the brake handle, the brake cable comprises a soft steel rope, a soft steel sleeve, a resin layer, a ceramic wear-resistant layer and an anti-wear sleeve, the soft steel rope is arranged on the inner side of the soft steel sleeve in a penetrating mode, and the resin layer, the ceramic wear-resistant layer and the anti-wear sleeve are sequentially arranged on the outer side of the soft steel sleeve.

In an alternative embodiment, the left side support and the right side support are provided with wheels, the wheels comprise hubs and tires made of elastomer materials, the tires are provided with grounding surfaces and inner treads matched with the hubs, an air cavity is formed between the ground surfaces and the inner treads, the grounding surfaces are provided with a plurality of groove structures which are continuous along the circumference of the tires, each groove structure is inwards concave from the grounding surfaces to the inner treads, and the extension lines of the groove structures intersect at a point in the radial direction of the tires, so that the contact area of the grounding surfaces and the contact surfaces can be correspondingly increased, the pressure intensity of each unit area of the grounding surfaces is reduced, the abrasion loss of the tires can be reduced, and the service life of the tires is prolonged.

Specifically, the wheels include a first wheel 201 and a second wheel 101, the number of the first wheel 201 and the number of the second wheel 101 are two, the two first wheels 201 are respectively arranged at the lower ends of a first support rod 203 and a second support rod 204, and the two second wheels 101 are respectively arranged at the lower ends of a first support tube and a second support tube.

In an alternative embodiment, a bead filler is embedded in the landing surface and a textured decorative surface is provided on the bead filler. Wherein the decorative surface may be a textured outer surface having a fine scabbed so that a contact area between the ground contact surface and the ground contact surface can be increased.

In an alternative embodiment, the hub includes a hub axle and a hub body having an interior passageway, the hub axle rotatably mounted within the interior passageway, and the left and right side brackets fixedly coupled to the hub axle.

In an alternative embodiment, the boss structure is arranged on the middle radial direction of the hub body, the boss structure divides the hub body into a left tire rolling path and a right tire rolling path, and the inner tire surface is fixed on the tire rolling paths.

In an alternative embodiment, the hub body defines a tube mounting surface and an axle portion defining an interior channel, and a circumferential outwardly inclined web is connected between the axle portion and the tube mounting surface, the web being inclined outwardly at an angle of 10 to 30 degrees.

In an alternative embodiment, a buffering structure is connected between the hub axle and the left and right brackets for buffering.

According to a second aspect of the present invention, as shown in fig. 1 to 10, there is provided a position limiting structure for use in a walking aid, the walking aid comprising a left side support and a right side support, a first connecting rod is provided on the left side support, and a second connecting rod is provided on the right side support, wherein the position limiting structure has a first position limiting groove and a second position limiting groove which are arranged at intervals, the first position limiting groove is matched with the first connecting rod, and the second position limiting groove is matched with the second connecting rod, for limiting and maintaining the walking aid at any position between a folded state and an unfolded state.

For example, the first fixing member and the second fixing member may be permanent magnets or electromagnets, the permanent magnets may be permanent magnetic alloys of al-ni-co system or permanent magnetic alloys of fe-cr-co system, and the electromagnets may be selectively turned on or off as required to control the operating state of the locking device. The present application does not limit the specific type and material for making the magnetic attraction member.

Illustratively, the first fixing element is a fastening portion disposed on the first connecting rod 302 and the second connecting rod 301, the second fixing element is a slot portion disposed on the limiting structure 400, and the position of the fastening portion corresponds to the position of the slot portion, so that the limiting structure 400 can be locked together by the connection of the fastening portion and the slot portion.

In addition, the buckling portion may also be disposed on the limiting structure 400, and the clamping groove portion may also be disposed on the first connecting rod 302 and the second connecting rod 301, where the position of the clamping groove portion corresponds to the position of the buckling portion, so that the limiting structure 400 can be tightly fixed on the first connecting rod 302 and the second connecting rod 301 by the matching of the buckling portion and the clamping groove portion.

In an optional embodiment, one of the first fixing member and the second fixing member may be a hook and loop fastener, the other one of the first fixing member and the second fixing member may be a hook and loop fastener, and the hook and loop fastener is hooked with the hook and loop fastener, so that the limiting structure 400 may be detachably mounted on the first connecting rod 302 and the second connecting rod 301.

In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise. Either mechanically or electrically. They may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description of the present specification, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. A walking aid, which is characterized by comprising a left side bracket, a right side bracket and a connecting assembly, wherein the connecting assembly is connected between the left side bracket and the right side bracket, so that the left side bracket can rotate relative to the right side bracket to a folded state and an unfolded state;

2. The walking aid of claim 1, wherein the left side support has a first support rod, a second support rod and a third support rod, one end of the second support rod is movably connected to the first support rod, two ends of the third support rod are respectively movably connected to the second support rod and the middle of the first support rod, and the first connecting rod is arranged at the joint of the first support rod and the second support rod.

3. The walker of claim 2 wherein the left side support includes a first movable member and the second support bar has a first attachment section and a second attachment section disposed at an obtuse angle to the first attachment section, the first attachment section being movably connected to the first support bar by the first movable member.

4. The walker according to claim 3 wherein the first movable member has a first mounting portion and a first through hole, the first through hole being disposed through the first support rod, the second support rod being pivotally connected to the first mounting portion.

5. The walker of claim 4 wherein the coupling assembly includes a first strut and a second strut arranged in a cross-over arrangement, the first moveable member having a second mounting portion, the first strut having a third mounting portion at one end thereof, the first strut being pivotally connected to the second mounting portion, the second strut being pivotally connected to the third mounting portion.

6. The walker of claim 3 wherein said first movable member has a link and a strut disposed on said link, said first link being removably mounted on said strut.

7. The walker of any one of claims 1 to 6 wherein the structure of the right side support is identical to the structure of the left side support.

8. The walker of claim 1 wherein the attachment assembly comprises a flexible member having opposite ends attached to the first and second attachment bars, respectively.

9. The walker of claim 1 wherein the first and second attachment members are provided with first attachment members and the first and second retention grooves are provided with second attachment members, the first and second attachment members cooperating to secure the retention structure to the first and second attachment members.

10. A limiting structure is used in a walking aid, the walking aid comprises a left side support and a right side support, a first connecting rod is arranged on the left side support, a second connecting rod is arranged on the right side support, the limiting structure is characterized in that the limiting structure is provided with a first limiting groove and a second limiting groove which are arranged at intervals, the first limiting groove is matched with the first connecting rod, and the second limiting groove is matched with the second connecting rod and used for limiting the walking aid to any position between a folded state and an unfolded state and keeping the walking aid.