Detachable and foldable walking aid

Abstract

The utility model discloses a detachable and foldable walking aid which comprises a front side support and two side edge supports which are symmetrically arranged on the two sides of the front side support and rotationally connected with the two sides of the front side support correspondingly, the two side edge supports can rotate in the direction away from the front side support and are limited to a preset angle, and each side edge support is provided with a buckling piece. The limiting support is arranged between the two side supports, the first end of the limiting support is rotationally connected with the front side support, the second end of the limiting support can swing downwards when the two side supports rotate to a preset angle, and the two sides of the limiting support are clamped to the two buckling pieces so as to limit the unfolding positions of the two side supports; or the two side supports can be separated from the two buckling pieces to swing upwards, so that the two side supports can rotate in the direction close to the front side support to be folded; the problems that an existing walking aid cannot be disassembled and is still large in size after being folded are solved, and the walking aid is simple in structure, small in linkage mechanism, easy to repair after being damaged and small in maintenance difficulty.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of walking aid, especially relates to a detachable foldable walking aid. BACKGROUND

[0002] The walking aid is also called lower limb orthosis, and is a walking supporting tool, which is used for the old, some trauma, hemiplegia patients and disabled people to walk or exercise limbs, and people can walk slowly by holding the walking aid. However, most of the existing walking aids are integrally arranged, and a plurality of steel pipes are welded together, so that the walking aid cannot be disassembled, the volume of the whole walking aid is large during transportation or storage, more space is occupied, transportation and storage are not convenient, and the shape of the whole walking aid is fixed due to the welding mode, so that the walking aid cannot be folded when it is not used temporarily, more space is occupied, and use is not convenient. Some walking aids can be folded, but a plurality of linkage structures are needed, the overall structure is complex, maintenance is difficult after damage, and in addition, the volume of the folded walking aids is still large, and the problem of large space occupation cannot be completely solved. SUMMARY

[0003] (I) Utility Model Purpose

[0004] In order to overcome the above defects, the purpose of the utility model is to provide a detachable and foldable walking aid, so as to solve the technical problems that the existing walking aid cannot be folded, the volume is still large after folding, more space is occupied during transportation or storage, transportation and storage are not convenient, and the overall structure of the existing foldable walking aid is complex, and maintenance is difficult after damage.

[0005] (II) Technical Solution

[0006] In order to achieve the above purpose, the technical scheme provided by the present application is as follows:

[0007] A detachable and foldable walking aid, comprising: a front side support, two side edge supports symmetrically arranged on both sides of the front side support and respectively connected with the front side support on both sides, capable of rotating away from the front side support and being limited to a predetermined angle, a buckling piece is arranged on each side edge support, further comprising: a limiting support arranged between the two side edge supports, the first end of the limiting support is rotatably connected with the front side support, the second end of the limiting support can swing downward when the two side edge supports are rotated to the predetermined angle and respectively clamped into the two buckling pieces to limit the unfolded position of the two side edge supports, or the second end of the limiting support can swing upward to make the two side edge supports capable of rotating to the direction close to the front side support for folding.

[0008] The walking aid of the present application is provided with the above structure. When it is needed to use, the two side edge supports are unfolded to a predetermined angle, and then the second end of the limiting support is swung downward, so that the two sides of the second end of the limiting support are respectively clamped to the buckling members of the two side edge supports. When it is not needed to use, the second end of the limiting support is pulled upward to swing, so that the second end is separated from the buckling members and then swings upward to a position parallel to the front side support. Then, the two side edge supports are rotated toward the front side support to be attached to the front side support, and finally the folding is completed. The overall volume of the folded walking aid is small. The problem that the existing walking aid cannot be disassembled and the volume is still large after folding is solved. The walking aid of the present application has a simple structure, a small linkage mechanism, is easy to repair after damage, and has a small maintenance difficulty.

[0009] In some embodiments, further comprising a seat plate above the limiting support, one end of which is rotatably connected to the front side support, and the other end of which is connected to the second end of the limiting support.

[0010] The seat plate is arranged above the limiting support. The limiting support can not only limit the unfolded position of the two side edge supports, but also support the seat plate and the weight of the human body.

[0011] In some embodiments, one end of the seat plate is detachably connected to the front side support, and the other end of the seat plate is detachably connected to the second end of the limiting support.

[0012] The seat plate can be self-installed or disassembled according to the user's selection.

[0013] In some embodiments, the front side support comprises two handle support main pipes which are symmetrically arranged and have a J-shaped structure, and a first connecting pipe which is arranged between the two handle support main pipes and has two ends respectively connected to the corresponding handle support main pipes.

[0014] In some embodiments, further comprising a rotation limiting assembly arranged on both sides of the front side support and connected to the side edge support, which can drive the side edge support to rotate away from the front side support under the action of external force and limit the rotation angle of the side edge support after the side edge support is rotated to a predetermined position.

[0015] In some embodiments, the rotation limiting assembly comprises a support ring fixedly sleeved on the handle support main pipe, a fixed sleeve sleeved on the handle support main pipe, a lower end of the fixed sleeve abutting against the support ring, a side surface of the fixed sleeve extending outward and connected to the first connecting pipe, a first limiting member protruding outward on an upper end of the fixed sleeve, a movable sleeve arranged above the fixed sleeve and on the handle support main pipe, a lower end of the movable sleeve sleeved on the upper end of the fixed sleeve, and a side surface of the movable sleeve extending outward and fixedly connected to the side edge support. The lower end of the movable sleeve protrudes outward to form a second limiting member. When the side edge support drives the movable sleeve to rotate to a predetermined angle, the second limiting member abuts against the first limiting member to limit the rotation angle of the side edge support.

[0016] In some embodiments, the limiting support comprises: at least two second connecting pipes sleeved on the first connecting pipe at one end and extending longitudinally, and a third connecting pipe transversely arranged at the other end of the second connecting pipes, wherein the two ends of the third connecting pipe are capable of being clamped on the corresponding buckling members respectively.

[0017] In some embodiments, the handle support main pipe comprises: an upper pipe section, a middle pipe section and a lower pipe section sleeved in sequence from top to bottom and capable of relative movement, the upper pipe section and the lower pipe section are vertically provided with a plurality of first and second positioning holes on the side surfaces, the middle pipe section is provided with a locking member on the upper and lower end surfaces and capable of being inserted into the corresponding first and second positioning holes when the upper pipe section and / or the lower pipe section moves to a predetermined position relative to the middle pipe section.

[0018] By arranging the upper pipe section, the middle pipe section and the lower pipe section capable of relative movement, when the height of the walking aid needs to be adjusted, the relative positions of the upper pipe section, the middle pipe section and the lower pipe section can be adjusted and locked by the locking member, so that people of different heights can use it.

[0019] In some embodiments, the side support comprises: a lateral support pipe extending horizontally and then bending downwardly and obliquely, and a fourth connecting pipe sleeved on the lateral support pipe and the handle support main pipe at both ends respectively; wherein the lateral support pipe comprises a plurality of pipe sections sleeved in sequence and capable of relative movement.

[0020] In some embodiments, a backrest is arranged on the front side support and corresponds to the seat plate.

[0021] By arranging the backrest, when the human body is seated on the seat plate, the back can rely on the backrest, thereby improving the comfort of sitting. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the state diagram of the detachable and foldable walking aid of the utility model in the folded state;

[0023] Figure 2 is the state diagram of the detachable and foldable walking aid of the utility model in the first step of unfolding;

[0024] Figure 3 is the state diagram of the detachable and foldable walking aid of the utility model in the second step of unfolding;

[0025] Figure 4 is the state diagram of the detachable and foldable walking aid of the utility model in the third step of unfolding;

[0026] Figure 5 is the state diagram of the detachable and foldable walking aid of the utility model in the fourth step of unfolding;

[0027] Figure 6is a state diagram of detachable foldable walking aid front side support, side support and limiting support assembly of the utility model without seat plate;

[0028] Figure 7 is a state diagram of detachable foldable walking aid front side support, side support and limiting support assembly of the utility model without seat plate;

[0029] Figure 8 is an explosion diagram of the detachable foldable walking aid of the utility model without seat plate;

[0030] Figure 9 is a structure schematic diagram of the rotation limiting assembly of the utility model;

[0031] Figure 10 is a structure schematic diagram of the detachable foldable walking aid of the utility model with backrest.

[0032] Reference signs:

[0033] 1, front side support; 101, upper pipe section; 102, middle pipe section; 103, lower pipe section; 104, first connecting pipe; 2, side support; 201, lateral support pipe; 202, fourth connecting pipe; 3, limiting support; 301, second connecting pipe; 302, third connecting pipe; 4, seat plate; 5, wheel; 6, buckling piece; 7, rotation limiting assembly; 701, support ring; 702, fixed sleeve; 7021, first limiting piece; 7022, first sleeve joint; 703, movable sleeve; 7031, second limiting piece; 7032, locking piece; 7033, second sleeve joint; 8, backrest. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0035] The utility model provides a detachable foldable walking aid, which comprises: a front side support 1, two side edge supports 2 symmetrically arranged on both sides of the front side support 1 and rotatably connected to both sides of the front side support 1, the two side edge supports 2 being able to rotate away from the front side support 1 and being limited to a predetermined angle, each side edge support 2 being provided with a buckling piece 6, and the utility model further comprises: a limiting support 3 arranged between the two side edge supports 2, the first end of the limiting support 3 being rotatably connected to the front side support 1, the second end of the limiting support 3 being able to swing downward to the positions of the two buckling pieces 6 when the two side edge supports 2 are rotated to the predetermined angle and the two sides of the second end being buckled to each other with the two buckling pieces 6, the two side edge supports 2 being limited to an unfolded position, or the second end of the limiting support 3 being able to swing upward to enable the two side edge supports 2 to rotate toward the front side support 1 and be folded.

[0036] Specifically, the walking aid can be divided into four integral supports, the first support being the front side support 1, the second and third supports being the left and right side edge supports 2, and the fourth support being the limiting support 3.

[0037] Specifically, when the walking aid needs to be used, the two side edge supports 2 are unfolded to a predetermined angle, the side edge supports 2 are angle-limited after being unfolded to the predetermined angle and cannot be unfolded further, then the second end of the limiting support 3 is rotated downward, and the two sides of the second end of the limiting support 3 are buckled to the buckling pieces 6 of the two side edge supports 2 respectively.

[0038] When the walking aid does not need to be used, the second end of the limiting support 3 is pulled upward to make the second end of the limiting support 3 disengage from the buckling pieces 6 and then swing upward to a position parallel to the front side support 1, then the two side edge supports 2 can rotate toward the front side support 1 and be cross-stacked, and the two side edge supports 2 are combined with the front side support 1 to be finally folded.

[0039] Preferably, a seat plate 4 can be arranged above the limiting support 3, one end of the seat plate 4 being rotatably connected to the front side support 1 and the other end of the seat plate 4 being connected to the second end of the limiting support 3. When the seat plate 4 is folded down, the seat plate 4 is located above the limiting support 3, and the limiting support 3 can support the seat plate 4 and the weight of a human body.

[0040] Specifically, the limiting support 3 of the walking aid must be arranged to tightly support and limit the two side edge supports 2 to prevent the two side edge supports 2 from being folded outward and then being folded inward.

[0041] For the seat plate 4, one end of the seat plate 4 can be arranged to be detachably connected to the front side support 1 and the other end of the seat plate 4 can be arranged to be detachably connected to the second end of the limiting support 3, and a user can select whether to install the seat plate 4 according to the use habit. Specifically, U-shaped buckles are arranged at both ends of the seat plate 4 to be buckled to the front side support 1 and the limiting support 3 respectively.

[0042] Preferably, a backrest 8 can be arranged at a position corresponding to the seat plate 4 of the front side support 1 to facilitate a human body to lean on the backrest 8 after sitting on the seat plate 4.

[0043] Specifically, the front side support 1 comprises two handle support trunks and a first connecting pipe 104, the two handle support trunks are symmetrically arranged and in J-shaped structure, and the first connecting pipe 104 is arranged between the two handle support trunks and connected with the corresponding handle support trunk at both ends.

[0044] More specifically, each handle support trunk can be further divided into an upper pipe segment 101, a middle pipe segment 102 and a lower pipe segment 103 which are sequentially sleeved and relatively movable from top to bottom,

[0045] Specifically, the limiting support 3 comprises a plurality of second connecting pipes 301 and third connecting pipes 302, the plurality of second connecting pipes 301 are sleeved on the first connecting pipe 104 at one end and extend longitudinally, and the third connecting pipe 302 is arranged at the other end of the second connecting pipe 301, specifically, a clamping groove is arranged on the clamping piece, and both ends of the third connecting pipe 302 can be clamped on the corresponding clamping piece when the limiting support 3 is flipped downward.

[0046] More specifically, a plurality of first and second positioning holes can be vertically arranged on the end side surface of the upper pipe segment 101 and the lower pipe segment 103, and a locking piece 7032 is arranged on the upper and lower end side surface of the middle pipe segment 102, when the height of the walking aid needs to be adjusted, the relative insertion depth of the upper pipe segment 101, the middle pipe segment 102 and the lower pipe segment 103 can be adjusted up and down, and after being adjusted to the appropriate position, the locking piece 7032 is inserted into the corresponding positioning hole.

[0047] More specifically, the side support 2 can be divided into a lateral support pipe 201 which extends horizontally and then bends downwardly, and a fourth connecting pipe 202 which is sleeved on the lateral support pipe 201 and the handle support trunk at both ends, specifically, adjacent lateral support pipes 201 can also be provided with a locking piece 7032 for locking.

[0048] Specifically, the locking piece 7032 can be a clamping column with elastic expansion, or a hinged locking handle is arranged on the middle pipe segment 102, the clamping column is arranged on the locking handle, and the clamping column is inserted into the positioning hole by rotating the locking handle.

[0049] Specifically, for the rotation limiting between the side support 2 and the front side support 1, the application is provided with a rotation limiting assembly 7, which is arranged on both sides of the front side support 1 and connected with the side support 2.

[0050] Specifically, the rotation limiting assembly 7 comprises: a support ring 701 provided on the handle support manifold, a fixed sleeve 702 sleeved on the handle support manifold, the lower end of the fixed sleeve 702 abuts against the support ring 701, the side surface of the fixed sleeve 702 extends outward and is connected with the first connecting pipe 104, the upper end of the fixed sleeve 702 protrudes outward to form a first limiting piece 7021, a movable sleeve 703 is provided on the handle support manifold above the fixed sleeve 702, the lower end of the movable sleeve 703 is sleeved on the upper end of the fixed sleeve 702, the side surface of the movable sleeve 703 extends outward and is fixedly connected with the side edge support 2, wherein the lower end of the movable sleeve 703 protrudes outward to form a second limiting piece 7031, specifically, the second limiting piece 7031 is in a right angle structure bent downward, the first right angle surface of the second limiting piece 7031 abuts against the first limiting piece 7021, and the second right angle surface is perpendicular to the first limiting piece 7021. When the side edge support 2 is turned outward, the side edge support 2 drives the movable sleeve 703 to rotate, and when the second right angle surface is rotated to a position abutting against the side surface of the first limiting piece 7021, the side edge support 2 stops rotating.

[0051] Specifically, the fixed sleeve 702 is provided with a first sleeve opening 7022 sleeved on the first connecting pipe 104, and the movable sleeve 703 is provided with a second sleeve opening 7033 sleeved on the side edge support 2 of the first connecting pipe 104.

[0052] Preferably, the wheel 5 can be arranged at the bottom of the front side support 1, so that the walking aid can walk forward conveniently.

[0053] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims or the equivalent forms of such scope and boundary.

Claims

1. A detachable and foldable walking aid, characterized in that, include: The front support (1) and the two side supports (2) are symmetrically arranged on both sides of the front support (1) and rotatably connected to both sides of the front support (1). They can rotate away from the front support (1) and be limited to a predetermined angle. Each side support (2) is provided with a fastening member (6). The system also includes a limiting support (3) disposed between the two side supports (2). Its first end is rotatably connected to the front support (1), and its second end can swing downward when the two side supports (2) rotate to the predetermined angle and engage with the two fastening members (6) on both sides to limit the unfolded position of the two side supports (2). Alternatively, it can disengage from the two fastening members (6) and swing upward so that the two side supports (2) can rotate towards the front support (1) for folding.

2. The detachable and foldable walking aid according to claim 1, characterized in that, Also includes: The seat plate (4) located above the limiting bracket (3) has one end rotatably connected to the front bracket (1) and the other end connected to the second end of the limiting bracket (3).

3. The detachable and foldable walking aid according to claim 2, characterized in that, One end of the seat plate (4) is detachably connected to the front bracket (1), and the other end is detachably connected to the second end of the limiting bracket (3).

4. The detachable and foldable walking aid according to claim 1, characterized in that, The front support (1) includes: two handle support main tubes arranged symmetrically and in a J-shape, and a first connecting tube (104) disposed between the two handle support main tubes and connected at both ends to the corresponding handle support main tubes.

5. The detachable and foldable walking aid according to claim 4, characterized in that, Also includes: The rotation limiting component (7) is disposed on both sides of the front bracket (1) and connected to the side bracket (2). It can drive the side bracket (2) to rotate away from the front bracket (1) under the action of external force and limit its rotation angle after the side bracket (2) rotates to a predetermined position.

6. The detachable and foldable walking aid according to claim 5, characterized in that, The rotation limiting assembly (7) includes: a support ring (701) fixedly sleeved on the handle support main tube; a fixed sleeve (702) sleeved on the handle support main tube, the lower end of which abuts against the support ring (701) and extends outward to connect with the first connecting tube (104); the upper end of the fixed sleeve (702) protrudes outward to form a first limiting member (7021); and a movable sleeve (703) fixedly sleeved on the handle support main tube and located above the fixed sleeve (702), the lower end of which is movably sleeved on the upper end of the fixed sleeve (702) and extends outward to be fixedly connected with the side bracket (2); wherein the lower end of the movable sleeve (703) protrudes outward to form a second limiting member (7031), which can abut against the first limiting member (7021) when the side bracket (2) drives the movable sleeve (703) to rotate to a predetermined angle.

7. The detachable and foldable walking aid according to claim 4, characterized in that, The limiting bracket (3) includes: at least two second connecting tubes (301) with one end sleeved on the first connecting tube (104) and extending longitudinally, and a third connecting tube (302) transversely disposed at the other end of the second connecting tube (301), wherein the two ends of the third connecting tube (302) can be respectively engaged on the corresponding fastener (6).

8. The detachable and foldable walking aid according to claim 4, characterized in that, The handle support main tube includes: an upper tube section (101), a middle tube section (102), and a lower tube section (103) that are sequentially sleeved from top to bottom and can move relative to each other. The upper tube section (101) and the lower tube section (103) have a plurality of first and second positioning holes vertically opened on their side ends. The upper and lower ends of the middle tube section (102) have locking members (7032) that are inserted into the corresponding first and second positioning holes when the upper tube section (101) and / or the lower tube section (103) moves relative to the middle tube section (102) to a predetermined position.

9. The detachable and foldable walking aid according to claim 4, characterized in that, The side bracket (2) includes: a lateral support tube (201) that extends horizontally and then bends downwards, and a fourth connecting tube (202) with its two ends respectively sleeved on the lateral support tube (201) and the handle support main tube; The lateral support pipe (201) includes multiple sequentially sleeved and relatively movable sub-pipe sections.

10. The detachable and foldable walking aid according to claim 2, characterized in that, Also includes: The backrest (8) is mounted on the front support (1) and is disposed corresponding to the seat plate (4).

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