CN219595148U - Walking-aid handcart - Google Patents

Abstract

The utility model discloses a walking-aid handcart, which comprises two frames and front wheel forks, wherein the two frames are arranged at intervals, a backrest assembly, a seat and a storage bag are arranged between the two frames at intervals, a front fork installation seat is arranged at the lower end of the frame, a clamp spring is arranged in the front fork installation seat, a groove matched with the clamp spring is arranged on a front wheel shaft of the front wheel fork, the front wheel fork is arranged in the front fork installation seat through the groove and the clamp spring, and a front wheel is arranged in the front wheel fork. The front wheel shaft of the front wheel fork is inserted into the front fork mounting seat, and the front wheel fork and the front wheel are fixed through the quick-dismantling structure of the groove and the clamp spring; the front wheel can be quickly assembled and disassembled.

Description

Walking-aid handcart

Technical Field

The utility model relates to the technical field of trolleys, in particular to a walking aid trolley.

Background

The walking aid trolley is also called a walking aid trolley or a walking aid, and is a tool for helping the old or the disabled walk, shop and rest. The trolley can be pushed to assist in walking, and can also be used for resting on the trolley, and articles are carried by the storage bag or the storage box of the trolley. However, the existing walking-aid trolley is inconvenient to assemble and disassemble, and particularly the running wheels are required to be installed by using special tools.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a walking-aid handcart, which is used for quickly installing a front wheel through a clamp spring.

The utility model discloses a walking-aid handcart, which comprises two frames and front wheel forks, wherein the two frames are arranged at intervals, a backrest assembly, a seat and a storage bag are arranged between the two frames at intervals, a front fork mounting seat is arranged at the lower end of the frame, a clamp spring is arranged in the front fork mounting seat, a groove matched with the clamp spring is arranged on a front wheel shaft of the front wheel fork, the front wheel fork is arranged in the front fork mounting seat through the groove and the clamp spring, and a front wheel is arranged in the front wheel fork.

Preferably, a handle is arranged on one side of the frame, the backrest assembly comprises a backrest seat and a backrest arranged on the backrest seat, and the backrest is arranged on the other side of the frame;

the backrest seat is detachably mounted on the frame through bolts and nuts.

Preferably, the frame comprises a chassis and a telescopic rod arranged on the chassis, and the handle is arranged on one side of the telescopic rod.

Preferably, the frame further comprises a connecting piece, the lower end of the telescopic rod is arranged on the upper side of the connecting piece through a bolt, and the underframe is arranged on the lower side of the connecting piece;

the underframe comprises a second bottom rod and a first bottom rod hinged at one end of the second bottom rod;

the front fork mounting seat is arranged at the outer end of the second bottom rod, and the outer end of the first bottom rod is provided with a rear wheel; and a brake piece is arranged on one side of the rear wheel.

Preferably, the present utility model further comprises a second mounting handle and shock absorbing assembly,

the shock absorbing assembly includes a shock absorber and a first mounting handle,

the second mounting handle is mounted on the connecting piece through a bolt;

the second bottom rod and the first bottom rod take the bolt of the second mounting handle as a rotating shaft;

the first bottom rod is provided with a second hinging seat, the telescopic rod is provided with a third hinging seat, one end of the shock absorber is hinged to the second hinging seat, and the other end of the shock absorber is detachably arranged on the third hinging seat through a bolt on one side of the first mounting handle;

the lower end of the connecting piece is provided with an opening.

Preferably, a folding mechanism is further arranged between the two frames;

the folding mechanism comprises a folding frame, the folding frame comprises a first folding rod and a second folding rod which are hinged with each other,

two cross bars are arranged at intervals on the lower side of the chair,

the upper end of the first folding rod is connected with a cross rod, and the lower end of the first folding rod is hinged on the underframe of a frame;

the upper end of the second folding rod is connected with the other cross rod, and the lower end of the second folding rod is hinged on the underframe of the other frame;

the telescopic rod of the frame is internally provided with a supporting hook matched with the cross rod.

Preferably, the folding mechanism further comprises a connecting short rod, a locking hook and a locking rod;

one end of the connecting short rod is hinged to the second folding rod, and the other end of the connecting short rod is hinged to the telescopic rod;

one side of the locking hook is hinged to the connecting short rod;

and the second folding rod is provided with a locking rod matched with the locking hook.

Preferably, a first hinging seat is arranged on one side of the frame;

the first hinging seat is provided with a rotating shaft,

the lower end of the first folding rod or the second folding rod is rotatably arranged on the rotating shaft;

the folding mechanism comprises two folding frames which are arranged at intervals.

Preferably, a vehicle killing handle is arranged on the lower side of the handle of the vehicle frame, and the brake handle is connected with a brake piece on the lower side of the vehicle frame through a brake cable;

and a brake protection sheet is arranged on one side of the handle.

Compared with the prior art, the utility model has the beneficial effects that: the front wheel shaft of the front wheel fork is inserted into the front fork mounting seat, and the front wheel fork and the front wheel are mounted through the quick-dismantling structure of the groove and the clamp spring; the front wheel can be quickly assembled and disassembled.

Drawings

FIG. 1 is a schematic view of the walker of the present utility model;

FIG. 2 is a schematic structural view of a folding mechanism;

FIG. 3 is a schematic structural view of a chassis;

fig. 4 is a cross-sectional view of the front fork.

The marks in the figure:

1, a walking-aid handcart; 11 frame, 12 seat, 13 chassis, 14 telescoping rod, 15 handle, 16 brake handle, 17 brake pad, 111 connector, 112 second mounting handle, 113 first bottom rod, 114 second bottom rod, 117 opening,

2 folding mechanism, 21 folding frame, 211 first folding bar, 212 second folding bar, 213 connecting short bar, 214 locking hook, 215 locking bar, 216 first hinge seat, 217 spindle, 22 cross bar, 23 supporting hook, 3 storage bag, 4 back assembly, 41 back, 42 back seat,

51 front wheel, 52 front wheel fork, 53 bearing, 54 front wheel axle, 55 snap spring, 56 front fork mounting seat, 58 rear wheel, 59 brake piece,

6 damper assembly, 61 second hinge seat, 62 damper, 63 first mounting handle, 64 third hinge seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is described in further detail below with reference to the attached drawing figures:

1-4, including two frames 11 and front fork 52 that the interval set up, the interval is provided with back subassembly 4, seat 12 and storage bag 3 between two frames 11, as shown in fig. 3 and 4, and frame 11 lower extreme is provided with front fork mount pad 56, is provided with jump ring 55 in the front fork mount pad 56, is provided with the recess with jump ring 55 matched with on the front axle 54 of front fork 52, and front fork 52 passes through recess and jump ring 55 installs in front fork mount pad 56, installs front wheel 51 in the front fork 52.

The front wheel axle 54 of the front wheel fork 52 is inserted into the front fork mounting seat 56, and the front wheel fork 52 and the front wheel 51 are mounted by the quick release structure of the groove and the snap spring 55. The clamp spring 55 is in interference fit with the front wheel shaft 54, and a front wheel fork can be installed; due to the elasticity of the snap springs, the front wheel axle 54 can be pulled out of the front fork mounting seat 56, so that quick assembly and disassembly are realized, and the mounting difficulty of the front wheel 51 is reduced.

Wherein, one side of the frame 11 is provided with a handle 15, the backrest component 4 comprises a backrest seat 42 and a backrest 41 arranged on the backrest seat 42, and the backrest 41 is arranged on the other side of the frame 11; if the handle 15 faces to the rear side and the backrest faces to the front side, the old man can sit on the chair 12 conveniently by sitting on the handle 15 and turning around; the backrest seat 42 is detachably mounted on the telescopic rod 14 of the frame 11 through bolts and nuts, so that the height and the orientation of the backrest 41 can be conveniently adjusted.

As shown in fig. 1 and 2, the frame 11 includes a bottom frame 13 and a telescopic link 14 provided on the bottom frame 13, and a handle 15 is provided on one side of the telescopic link 14. The telescopic rod 14 is used for adjusting the height of the handle 15.

The frame 11 further comprises a connecting piece 111, the lower end of the telescopic rod 14 is mounted on the upper side of the connecting piece 111 through bolts, and the underframe 13 is mounted on the lower side of the connecting piece 111; the bottom chassis 13 includes a second bottom bar 114 and a first bottom bar 113 hinged at one end of the second bottom bar 114; the front fork mounting seat 56 is arranged at the outer end of the second bottom rod 114, and the outer end of the first bottom rod 113 is provided with the rear wheel 58; a brake 59 is provided on one side of the rear wheel 58.

Fig. 2 also shows the second mounting handle 112 and the shock absorbing assembly 6, the shock absorbing assembly 6 comprising the shock absorber 62 and the first mounting handle 63. The second mounting handle 112 is mounted on the connecting member 112 by bolts; the second bottom bar 114 and the first bottom bar 113 use the bolt of the second mounting handle 112 as a rotation axis, and the second mounting handle 112 is used for locking the first bottom bar and the second bottom bar. The first bottom rod 113 is provided with a second hinging seat 61, the telescopic rod 14 is provided with a third hinging seat 64, one end of the shock absorber 62 is hinged on the second hinging seat 61, and the other end of the shock absorber 62 is detachably arranged on the third hinging seat 64 through a bolt on one side of the first mounting handle 63. Folding and shock absorbing of the chassis 13 are achieved. The lower end of the connection member 111 is provided with an opening 117 to facilitate the installation and folding of the chassis 13.

Fig. 2 shows a folding mechanism 2 arranged between two frames; the folding mechanism 2 comprises two or more folding frames 21 which are arranged at intervals, each folding frame 21 comprises a first folding rod 211 and a second folding rod 212 which are hinged with each other, two cross rods 22 are arranged at intervals on the lower side of the seat 12, the upper end of each first folding rod 211 is connected with one cross rod, the lower end of each first folding rod is hinged with the underframe of one frame, the upper end of each second folding rod 21 is connected with the other cross rod, and the lower end of each second folding rod is hinged with the underframe of the other frame, so that an X-shaped folding structure is formed; the telescopic rod 14 of the frame 11 is provided inside with a support hook 23 cooperating with the cross bar 22 for supporting the cross bar 22 and the seat 12.

Wherein the folding mechanism 2 further comprises a connecting short lever 213, a locking hook 214 and a locking lever 215; the connecting short rod 213 is hinged to the second folding rod 212 at one end and is hinged to the telescopic rod 14 at the other end; one side of the locking hook 214 is hinged on the connecting short rod 213; the second folding bar 212 is provided with a locking bar 215 cooperating with a locking hook 214, the opening of which faces to the left or right, preventing longitudinal movement of the seat 12. It should be noted that the seat 12, the backrest 41 and the receiving bag 3 should be made of soft materials such as plastic, silica gel, woven cloth, etc.

A first hinge seat 216 is arranged on one side of the frame 11, and the first hinge seat 216 is arranged on the inner side of the connecting piece 111; the first hinge seat 216 is provided with a rotation shaft 217, and the lower end of the first folding bar 211 or the second folding bar 212 is rotatably installed at the rotation shaft 217. Two spaced apart folding frames 21 are shown in figure 2.

The lower side of the handle 15 of the frame 11 is provided with a handle-killing handle 16, and the handle 16 is connected with a brake piece 59 at the lower side of the frame 11 through a brake cable; a brake pad 17 is provided on one side of the handle 15 to prevent the brake handle 16 from being clamped to the hand during braking.

Fig. 4 also shows the structure of the front fork 52, the upper side of the front fork 52 is provided with a bearing 53, and the front wheel axle is mounted on the inner side of the bearing 53 to realize front wheel steering.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. A walk-assisting handcart is characterized in that,

comprises two frames arranged at intervals and a front wheel fork,

a backrest component, a seat and a storage bag are arranged between the two frames at intervals,

the lower end of the frame is provided with a front fork installation seat, a clamp spring is arranged in the front fork installation seat,

a groove matched with the snap spring is arranged on a front wheel shaft of the front wheel fork, the front wheel fork is arranged in the front fork mounting seat through the groove and the snap spring,

the front wheel fork is internally provided with a front wheel.

2. The walker as claimed in claim 1 wherein,

the backrest assembly comprises a backrest seat and a backrest arranged on the backrest seat, and the backrest is arranged on the other side of the frame;

the backrest seat is detachably mounted on the frame through bolts and nuts.

3. The walker of claim 2 wherein the frame comprises a chassis and a telescoping rod disposed on the chassis, the handle being disposed on one side of the telescoping rod.

4. A walker as claimed in claim 3 wherein said frame further includes a connector, said telescoping rod lower end being mounted to said connector on an upper side thereof by bolts, said undercarriage being mounted to said connector on a lower side thereof;

the underframe comprises a second bottom rod and a first bottom rod hinged at one end of the second bottom rod;

the front fork mounting seat is arranged at the outer end of the second bottom rod, and the outer end of the first bottom rod is provided with a rear wheel; and a brake piece is arranged on one side of the rear wheel.

5. The walker of claim 4 further comprising a second mounting handle and shock absorbing assembly,

the shock absorbing assembly includes a shock absorber and a first mounting handle,

the second mounting handle is mounted on the connecting piece through a bolt;

the second bottom rod and the first bottom rod take the bolt of the second mounting handle as a rotating shaft;

the first bottom rod is provided with a second hinging seat, the telescopic rod is provided with a third hinging seat, one end of the shock absorber is hinged to the second hinging seat, and the other end of the shock absorber is detachably arranged on the third hinging seat through a bolt on one side of the first mounting handle;

the lower end of the connecting piece is provided with an opening.

6. The walker of claim 1 wherein a folding mechanism is disposed between said two frames;

the folding mechanism comprises a folding frame, the folding frame comprises a first folding rod and a second folding rod which are hinged with each other,

two cross bars are arranged at intervals on the lower side of the chair,

the upper end of the first folding rod is connected with a cross rod, and the lower end of the first folding rod is hinged on the underframe of a frame;

the upper end of the second folding rod is connected with the other cross rod, and the lower end of the second folding rod is hinged on the underframe of the other frame;

the telescopic rod of the frame is internally provided with a supporting hook matched with the cross rod.

7. The walker of claim 6 wherein the folding mechanism further comprises a connecting bar, a locking hook, and a locking bar;

one end of the connecting short rod is hinged to the second folding rod, and the other end of the connecting short rod is hinged to the telescopic rod;

the locking hook is hinged on the connecting short rod;

and the second folding rod is provided with a locking rod matched with the locking hook.

8. The walker of claim 6 wherein a first hinging seat is provided on one side of the frame;

the first hinging seat is provided with a rotating shaft,

the lower end of the first folding rod or the second folding rod is rotatably arranged on the rotating shaft;

the folding mechanism comprises two folding frames which are arranged at intervals.

9. The walker of claim 1 wherein a brake handle is provided on the underside of the handle of the frame and is connected to a brake member on the underside of the frame by a brake cable;

and a brake protection sheet is arranged on one side of the handle.