CN213490258U - Locking structure for handle of walking aid - Google Patents

Abstract

A locking structure for a handle of a walking aid comprises the handle, a button, a cam lock and a button return spring, wherein at least one push block is arranged on the end face, far away from the button, of the cam lock, a first sliding claw is arranged on the vertical side wall of the handle, the push block can be tightly pressed and attached to the first sliding claw, the lower end face of the cam lock can be pressed and tightly attached to the upper end face of the handle, the button return spring is arranged between the button and a shell on one side of the walking aid, the cam lock is rotatably connected with the shell on the other side of the walking aid, and the cam lock can be driven to rotate through the push block and the first sliding claw when the button is pressed. A locking structure for helping capable ware hand (hold), through the handrail that sets up and the hinge structure who helps capable ware frame, can adjust the angle that helps capable ware in a flexible way, can adjust suitable posture according to user's custom, improved user's comfort level, through the locking structure who sets up, can fix helping capable ware at certain angle, improved the stability that helps capable ware.

Description

Locking structure for handle of walking aid

Technical Field

The utility model belongs to the technical field of aluminium, copper, magnesium, titanium alloy cleaner production and deep-processing, specifically, relate to a locking structure for helping capable ware hand (hold).

Background

The walking aid is a walking aid for helping people who are difficult to walk, and is used for the old people who are difficult to walk, some trauma patients, hemiplegia patients and disabled people to help walking or for the patients who are in rehabilitation training to exercise the lower limbs, so that the life style of the people who have problems in legs and feet is improved.

The walking aid has a large requirement on the strength of the upper limbs of a user, and mainly supports the weight of the body by the strength of the upper body such as the hands, the arms and the like to assist walking. The inconvenient angle modulation that carries out of current helps capable ware, can not adjust according to the road surface flexibility that the user walked, for example: when the walking aid is used for going upstairs, the existing walking aid is in an inclined state because the four supporting legs are placed on the steps, so that the existing walking aid is difficult to use when going upstairs; in addition, the frame structure of the prior walking aid is fixed, the inclination angle cannot be adjusted according to the habit of a user, and the walking aid is not beneficial to the walking exercise of the user.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a locking structure for helping capable ware hand (hold), solved among the prior art and helped capable ware whole be fixed frame structure, cause the user to have very limited problem.

The technical scheme is as follows: the utility model provides a locking structure for helping hand ware hand (hold), including hand (hold), button, cam lock and button reset spring, the wherein one end at the cam lock is established to the button cover, the cam lock is kept away from and is equipped with at least one ejector pad on the terminal surface of button, be equipped with sliding claw one on the vertical lateral wall of hand (hold), the ejector pad can compress tightly the laminating with sliding claw one, the lower terminal surface of cam lock can be pressed with the up end of hand (hold) and hug closely and close, the button sets up on the shell of helping hand ware one side to button reset spring sets up between the shell of button and helping hand ware one side, the cam lock rotates with the shell of helping hand ware opposite side to be connected, can drive the cam lock through ejector pad and sliding claw one and rotate when the button is pressed.

Furthermore, in the locking structure for the handle of the walking aid, the number of the push blocks is more than one, and the push blocks are arranged in an annular array mode by taking the center of the cam lock as the center of a circle.

Furthermore, in the locking structure for the handle of the walking aid, the section of the push block is fan-shaped, a first inclined surface is arranged on one end surface of the push block along the circumferential radial direction, the first sliding claw is cylindrical, a second inclined surface is arranged on the lower end surface of the first sliding claw, and the first inclined surface can be attached to the second inclined surface.

Furthermore, in the locking structure for the handle of the walking aid, the first boss is arranged on the outer circumferential wall of the cam lock, the first triangular convex part is arranged on the first boss along the radial direction, and the lower end face of the first triangular convex part can be attached to the upper end face of the handle.

Furthermore, foretell a locking structure for help capable ware hand (hold), the button is including pressing cap and ring shape button connecting portion, the cross-section of pressing the cap is circular to press the cap to be the inside hollow structure of one end opening, the one end of button connecting portion is fixed to be set up on the inner wall of pressing the cap, and the other end of button connecting portion extends and presses the cap, it is fixed with slider one to press on the outer wall of cap, slider one and the spout sliding connection on the shell of help capable ware one side, the button connecting portion is kept away from and is equipped with draw-in groove one on the inner wall of pressing cap one end, be equipped with annular gap between the inner wall of pressing the cap and the outer wall of button connecting portion, button reset spring overlaps and establishes on button connecting portion to button reset spring's one end is.

Furthermore, in the locking structure for the handle of the walking aid, the end face, close to the button, of the cam lock is provided with the second cylindrical boss, the end face, far away from the cam lock, of the second cylindrical boss is provided with the clamping portion, and the clamping portion is clamped with the first clamping groove.

Furthermore, in the locking structure for the handle of the walking aid, the central position of one end of the cam lock, which is provided with the pushing block, is provided with the first groove, and the first groove is rotatably connected with the rotating shaft on the shell at the other side of the walking aid.

Furthermore, in the locking structure for the handle of the walking aid, a second sliding claw is arranged on the other side wall of the handle opposite to the side wall provided with the first sliding claw, and the first sliding claw and the second sliding claw are symmetrically arranged.

Furthermore, foretell a locking structure for helping hand ware hand (hold), the one end of hand (hold) is equipped with round pin shaft hole one, round pin shaft hole one with help the ware shell through round pin hub connection, the hand (hold) is kept away from and is equipped with a set of lightening hole on the lower terminal surface of round pin shaft hole one other end, a set of lightening hole is a row and sets up, the intermediate position of terminal surface is equipped with the hand (hold) backplate under the hand (hold).

Furthermore, in the locking structure for the handle of the walking aid, the sharp corner part of the first triangular convex part far away from the cam lock is arranged to be a round corner, and the end face of the sharp corner part of the first triangular convex part far away from the cam lock far away from the button is provided with a groove.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: a locking structure for helping capable ware hand (hold), through the handrail that sets up and the hinge structure who helps capable ware frame, can adjust the angle that helps capable ware in a flexible way, can adjust suitable posture according to user's custom, improved user's comfort level, through the locking structure who sets up, can fix helping capable ware at certain angle, improved the stability that helps capable ware to make angle modulation can realize, the help capable ware of this structure is convenient and practical, novel structure has very high popularization and application and worth.

Drawings

FIG. 1 is an exploded view of a locking structure for a handle of a walking aid according to the present invention;

FIG. 2 is a schematic structural view of a locking structure for a handle of a walking aid according to the present invention;

FIG. 3 is a front view of the locking structure for a handle of a walking aid of the present invention;

FIG. 4 is a top view of the locking structure for a walker handle of the present invention;

FIG. 5 is a cross-sectional view of the locking structure for a handle of a walker in accordance with the present invention;

fig. 6 is an enlarged view of a portion of the utility model at X in fig. 5;

fig. 7 is an enlarged view of a portion of the utility model at Y in fig. 5;

fig. 8 is a first schematic structural diagram of the locking knob according to the present invention;

fig. 9 is a second schematic structural view of the locking knob of the present invention;

fig. 10 is a front view of the locking knob of the present invention;

fig. 11 is a left side view of the locking knob of the present invention;

fig. 12 is a right side view of the locking knob of the present invention;

fig. 13 is a rear view of the locking knob of the present invention;

fig. 14 is a schematic structural view of the intermediate connecting rod of the present invention;

fig. 15 is a first schematic structural view of the U-shaped fork of the present invention;

fig. 16 is a second schematic structural view of the U-shaped fork of the present invention;

fig. 17 is a front view of the U-shaped fork of the present invention;

fig. 18 is a cross-sectional view taken along line a-a of fig. 17 in accordance with the present invention;

fig. 19 is a schematic structural view of the circular fluted disc of the present invention;

FIG. 20 is a front view of a circular gear plate according to the present invention;

fig. 21 is a schematic structural view of the side plate of the present invention;

fig. 22 is a first schematic structural diagram of the cam lock of the present invention;

fig. 23 is a second schematic structural view of the cam lock of the present invention;

fig. 24 is a front view of the cam lock of the present invention;

fig. 25 is a right side view of the cam lock of the present invention;

fig. 26 is a top view of the cam lock of the present invention;

fig. 27 is a cross-sectional view of the cam lock of the present invention;

fig. 28 is an enlarged view of a portion of fig. 24 in accordance with the present invention;

fig. 29 is a front view of the push button of the present invention;

fig. 30 is a left side view of the push button of the present invention;

fig. 31 is a rear view of the push button of the present invention;

fig. 32 is a cross-sectional view of the push button of the present invention;

fig. 33 is a partially enlarged view of fig. 32 according to the present invention;

fig. 34 is a first schematic structural view of the handle according to the present invention;

fig. 35 is a second schematic structural view of the handle according to the present invention;

fig. 36 is a top view of the handle according to the present invention;

fig. 37 is a front view of the handle according to the present invention;

fig. 38 is a cross-sectional view of the handle of the present invention;

fig. 39 is a bottom view of the handle of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The locking structure for the handle of the walking aid as shown in FIGS. 1-7 comprises a walking aid frame 301, a handle 302 and a frame locking device 303, wherein the lower end part of the handle 302 is rotatably connected with the upper end part of the walking aid frame 301, and the frame locking device 303 is arranged in the handle 302; wherein the frame locking device 303 comprises a circular fluted disc 304, a U-shaped fork 305, an intermediate connecting rod 306, a locking knob 307, a first spring 308 and a locking assembly 309, the circular fluted disc 304 is arranged on the armrest 302, the circular fluted disc 304 is fixedly connected with the walker frame 301, the lower end surface of the U-shaped fork 305 is arranged in an arc shape, the lower end surface of the U-shaped fork 305 is provided with a group of teeth 310, the group of teeth 310 can be meshed with the teeth on the outer circumference of the circular fluted disc 304, the upper end part of the intermediate connecting rod 306 is hinged with the locking assembly 309 through a pin shaft, the lower end part of the intermediate connecting rod 306 is hinged with the U-shaped fork 305 through a pin shaft, the intermediate connecting rod 306 is fixedly provided with a locking pin 311 at the middle position along the vertical direction, the locking pin 311 can be clamped with the locking knob 307, the first spring 308 is sleeved on the intermediate connecting rod 306, and the first spring 308, the locking knob 307 is disposed on a side wall of the armrest 302, the locking assembly 309 is hinged to the armrest 302, and the locking assembly 309 is capable of driving the clevis 305 and the circular toothed plate 304 into engagement via the intermediate connecting rod 306.

The locking knob 307 shown in fig. 8-13 includes a knob body 312 and a knob boss 313, the knob boss 313 is fixedly disposed on an end surface of the knob body 312 located inside the armrest 302, a fan-shaped protrusion 314 is disposed on an end surface of the knob boss 313 away from the knob body 312, and a lower end of the locking pin 311 can be abutted to an end surface of the fan-shaped protrusion 314 close to the center of the knob body 312. The section of the knob boss 313 is circular, and a set of fixture blocks 315 is arranged on the outer wall of the knob boss 313, and the set of fixture blocks 315 can be clamped with the armrest 302.

The U-shaped fork 305 shown in fig. 15-18 comprises two symmetrical connecting plates 316, a lower end arc-shaped plate 317 and an intermediate connecting plate 318, wherein the two symmetrical connecting plates 316 are respectively fixedly arranged at two ends of the intermediate connecting plate 318, the two symmetrical connecting plates 316 and the intermediate connecting plate 318 form a U-shaped structure, the lower end arc-shaped plate 317 is fixedly arranged on the lower end surface of the intermediate connecting plate 318, the group of teeth 310 are evenly arranged on the lower end arc-shaped plate 317 at intervals, and the spring one 308 is positioned between the locking pin 311 and the upper end surface of the intermediate connecting plate 318.

As shown in fig. 14, a second pin shaft hole 319 is provided on the U-shaped fork 305, a third pin shaft hole 223 is provided on the handle 201, a fourth pin shaft hole 320 is provided at the upper end of the middle connecting rod 306, a fifth pin shaft hole 321 is provided at the lower end of the middle connecting rod 306, a first pin shaft 322 is provided between the second pin shaft hole 319 and the fifth pin shaft hole 321, and a second pin shaft 323 is provided between the third pin shaft hole 223 and the fourth pin shaft hole 320.

As shown in fig. 19 and 20, the armrest 302 includes an armrest housing one 324, an armrest housing two 325, and an upper cover plate 326, the armrest housing one 324 and the armrest housing two 325 are symmetrically disposed, and the armrest housing one 324 and the armrest housing two 325 are fastened together, the upper cover plate 326 covers the upper end surfaces of the armrest housing one 324 and the armrest housing two 325, a circular ring-shaped connecting portion one 327 is disposed at a middle position of the armrest housing one 324 along the vertical direction, a circular ring-shaped connecting portion two 328 is disposed at a middle position of the armrest housing two 325 along the vertical direction, a set of locking screws 338 is disposed between the circular ring-shaped connecting portion one 327 and the circular ring-shaped connecting portion two 328, a side plate bushing 330 is fixedly disposed in the circular ring-shaped connecting portion one 327 and the circular ring-shaped connecting portion two 328, the circular fluted disc 304 is hinged to the circular ring-shaped connecting portion 327 and the circular ring-shaped connecting portion two, the cam lock 203 is rotatably connected with a pin shaft four 339. The walking aid frame 301 comprises four supporting legs 329, the four supporting legs 329 are positioned on four corners of a rectangular cross section, the upper ends of two of the four supporting legs 329 are provided with handrails 302, a side plate 330 and a side plate reinforcing plate 331 are arranged between the handrails 302 and the supporting legs 329 opposite to the handrails 302, the side plate reinforcing plate 331 is fixedly arranged on the side plate 330 through screws, one end of the side plate 330 is fixedly connected with the circular fluted disc 304, a pin shaft three 337 is arranged between the other end of the side plate 330 and the upper ends of the supporting legs 329, and the side plate 330 and the supporting legs 329 are hinged through the pin shaft three 337. At least one key 335 is arranged on the outer wall of the annular connecting plate 334, at least one key groove 336 is arranged on the inner wall of the circular fluted disc 304, and the key 335 is arranged in the key groove 336.

As shown in fig. 21, one end of the side plate 330 is provided with a third annular connecting portion 332, one end of the side plate reinforcing plate 331 is provided with a fourth annular connecting portion 333, the third annular connecting portion 332, the fourth annular connecting portion 333, the first annular connecting portion 327 and the second annular connecting portion 328 are arranged in an overlapping manner, the center lines of the third annular connecting portion 332, the fourth annular connecting portion 333, the first annular connecting portion 327 and the second annular connecting portion 328 are overlapped, the third annular connecting portion 332 is provided with a ring-shaped connecting plate 334, and the ring-shaped connecting plate 334 and the third annular connecting portion 332 are arranged concentrically.

Example two

The locking assembly 309 shown in fig. 1, 5 and 22-28 comprises a handle 201, a button 202, a cam lock 203 and a button return spring 204, wherein the button 202 is sleeved on one end of the cam lock 203, the end surface of the cam lock 203 far away from the button 202 is provided with at least one push block 205, the vertical side wall of the handle 201 is provided with a first sliding claw 206, the push block 205 can be tightly jointed with the first sliding claw 206, the lower end surface of the cam lock 203 can be tightly jointed with the upper end surface of the handle 201 in a pressing way, the button 202 is arranged on the shell on one side of the walking aid, the button return spring 204 is arranged between the button 202 and the shell on one side of the walking aid, the cam lock 203 is rotatably connected with the shell on the other side of the walking aid, and the cam lock 203 can be driven to rotate by the push block 205 and the first sliding claw 206 when. The number of the push blocks 205 is more than one, and the push blocks 205 are arranged in an annular array mode by taking the center of the cam lock 203 as a circle center. The section of the push block 205 is fan-shaped, one end face of the push block 205 in the circumferential radial direction is provided with a first inclined face 207, the first sliding claw 206 is cylindrical, the lower end face of the first sliding claw 206 is provided with a second inclined face 2061, and the first inclined face 207 can be attached to the second inclined face 2061. A first boss 208 is arranged on the circumferential outer wall of the cam lock 203, a first triangular protrusion 209 is arranged on the first boss 208 along the radial direction, and the lower end face of the first triangular protrusion 209 can be attached to the upper end face of the handle 201. The sharp corner of the first triangular projection 209 away from the cam lock 203 is provided with a round corner, and the end face of the sharp corner of the first triangular projection 209 away from the cam lock 203, which is away from the button 202, is provided with a groove 222.

The button 202 as shown in fig. 29-33 comprises a pressing cap 210 and a circular button connecting part 211, the cross section of the pressing cap 210 is circular, the pressing cap 210 is of a structure with one open end and a hollow inside, one end of the button connecting part 211 is fixedly arranged on the inner wall of the pressing cap 210, the other end of the button connecting part 211 extends out of the pressing cap 210, a first sliding block 212 is fixedly arranged on the outer wall of the pressing cap 210, the first sliding block 212 is in sliding connection with a sliding groove on the shell on one side of the walking aid, a first clamping groove 213 is arranged on the inner wall of the button connecting part 211 far away from one end of the pressing cap 210, an annular gap 218 is arranged between the inner wall of the pressing cap 210 and the outer wall of the button connecting part 211, the button return spring 204 is sleeved on the button connecting part 211, and one. The end face, close to the button 202, of the cam lock 203 is provided with a second cylindrical boss 214, the end face, far away from the cam lock 203, of the second cylindrical boss 214 is provided with a clamping portion 215, and the clamping portion 215 is clamped with the first clamping groove 213. The central position of one end of the cam lock 203, which is provided with the push block 205, is provided with a groove I216, and the groove I216 is rotationally connected with the rotating shaft on the shell at the other side of the walking aid.

As shown in fig. 34 to 39, the handle 201 is provided with a second sliding jaw 217 on the other side wall opposite to the side wall provided with the first sliding jaw 206, and the first sliding jaw 206 and the second sliding jaw 217 are symmetrically arranged. One end of the handle 201 is provided with a first pin shaft hole 219, the first pin shaft hole 219 is connected with the shell of the walking aid through a pin shaft, a group of lightening holes 220 are formed in the lower end face, far away from the other end of the first pin shaft hole 219, of the handle 201, the group of lightening holes 220 are arranged in a row, and a handle guard plate 221 is arranged in the middle of the lower end face of the handle 201.

In the above structure, the working principle of the first sliding claw 206 and the pushing block 205 pushing the intermediate connecting rod 306 is the same as the working principle of pressing a ball-point pen, the first inclined surface 207 and the second inclined surface 2061 can move relatively to press the button 202, so that the intermediate connecting rod 306 moves downwards, the intermediate connecting rod 306 pushes the U-shaped fork 305 to move downwards, so that the teeth of the U-shaped fork 305 are combined with the teeth of the circular fluted disc 304, when the first sliding claw 206 and the pushing block 205 move relatively to the tail end, under the action of a critical value, the first triangular convex part 209 is attached to the upper end surface of the handle 201, the handle 201 is pushed upwards, the handle 201 is separated from the first triangular convex part 209 through the bevel 222, so that the teeth of the U-shaped fork 305 are separated from the teeth of the circular fluted disc 304, the angle adjustment of the walker frame can be performed, when the teeth of the U-shaped fork 305 are engaged with the teeth of the circular fluted disc 304, the fan-shaped convex part 314 is rotated to the upper part of the locking pin 311, the upper end surface of the locking pin 311 at the moment is attached to the W surface in fig. 13, so that the locking pin 311 can be limited, namely the middle connecting rod 306 is fixed at the vertical position, and the U-shaped fork 305 and the circular fluted disc 304 are in a meshed state at the moment, so that the whole frame of the walking aid can be locked.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1. A locking structure for a handle of a walking aid, characterized in that: comprises a handle (201), a button (202), a cam lock (203) and a button return spring (204), the button (202) is sleeved at one end of the cam lock (203), at least one push block (205) is arranged on the end surface of the cam lock (203) far away from the button (202), a first sliding claw (206) is arranged on the vertical side wall of the handle (201), the push block (205) can be tightly pressed and attached to the first sliding claw (206), the lower end surface of the cam lock (203) can be pressed and tightly jointed with the upper end surface of the handle (201), the button (202) is arranged on the shell at one side of the walking aid, and a button return spring (204) is provided between the button (202) and the housing on the walker side, the cam lock (203) is rotatably connected with the shell at the other side of the walking aid, and the cam lock (203) can be driven to rotate by the push block (205) and the sliding claw I (206) when the button (202) is pressed.

2. A locking structure for a walker handle as claimed in claim 1 wherein: the number of the push blocks (205) is more than one, and the push blocks (205) are arranged in an annular array mode by taking the center of the cam lock (203) as the center of a circle.

3. A locking structure for a walker handle as claimed in claim 1 wherein: the section of the push block (205) is fan-shaped, a first inclined surface (207) is arranged on one end surface of the push block (205) along the circumferential radial direction, the first sliding claw (206) is cylindrical, a second inclined surface (2061) is arranged on the lower end surface of the first sliding claw (206), and the first inclined surface (207) can be attached to the second inclined surface (2061).

4. A locking structure for a handle of a walking aid according to claim 1 or 3, wherein: the cam lock is characterized in that a first boss (208) is arranged on the circumferential outer wall of the cam lock (203), a first triangular convex part (209) is arranged on the first boss (208) along the radial direction, and the lower end face of the first triangular convex part (209) can be attached to the upper end face of the handle (201).

5. A locking structure for a walker handle as claimed in claim 1 wherein: the button (202) comprises a pressing cap (210) and a circular button connecting part (211), the cross section of the pressing cap (210) is circular, the pressing cap (210) is of a structure with an opening at one end and a hollow inner part, one end of the button connecting part (211) is fixedly arranged on the inner wall of the pressing cap (210), the other end of the button connecting part (211) extends out of the pressing cap (210), a first sliding block (212) is fixedly arranged on the outer wall of the pressing cap (210), the first sliding block (212) is in sliding connection with a sliding groove on a shell on one side of the walking aid, a first clamping groove (213) is arranged on the inner wall of the button connecting part (211) far away from one end of the pressing cap (210), an annular gap (218) is arranged between the inner wall of the pressing cap (210) and the outer wall of the button connecting part (211), and the button return spring (204), and one end of the button return spring (204) is located within the annular gap (218).

6. A locking structure for a walker handle as claimed in claim 5 wherein: the end face, close to the button (202), of the cam lock (203) is provided with a second cylindrical boss (214), the end face, far away from the cam lock (203), of the second cylindrical boss (214) is provided with a clamping portion (215), and the clamping portion (215) is clamped with the first clamping groove (213).

7. A locking structure for a walker handle as claimed in claim 6 wherein: the central position of one end of the cam lock (203) provided with the push block (205) is provided with a first groove (216), and the first groove (216) is rotationally connected with a rotating shaft on the shell on the other side of the walking aid.

8. A locking structure for a walker handle as claimed in claim 1 wherein: and a sliding claw II (217) is arranged on the other side wall of the handle (201) opposite to the side wall provided with the sliding claw I (206), and the sliding claw I (206) and the sliding claw II (217) are symmetrically arranged.

9. A locking structure for a walker handle as claimed in claim 1 wherein: one end of hand (201) is equipped with round pin shaft hole one (219), round pin shaft hole one (219) and walking aid shell pass through the round pin hub connection, hand (201) are kept away from and are equipped with a set of lightening hole (220) on the lower terminal surface of round pin shaft hole one (219) other end, a set of lightening hole (220) are one and are listed as the setting, the intermediate position of terminal surface is equipped with hand (hold) backplate (221) under hand (201).

10. A locking structure for a walker handle as claimed in claim 4 wherein: the sharp corner of the first triangular convex part (209) far away from the cam lock (203) is set to be a round corner, and a groove (222) is arranged on the end face, far away from the button (202), of the sharp corner of the first triangular convex part (209) far away from the cam lock (203).

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