CN210750146U

CN210750146U - Foldable walking-aid cart with rear wheel quick-dismantling function

Info

Publication number: CN210750146U
Application number: CN201921369343.XU
Authority: CN
Inventors: 曾长春; 易永贵
Original assignee: Raise Medical Industries Inc
Current assignee: Raise Medical Industries Inc
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-16
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a foldable walking-aid cart with a rear wheel quick-dismantling function, which comprises two main brackets and two rear wheel brackets, wherein the rear wheel brackets are movably connected with rear wheels, the main brackets comprise first mounting pipes, mounting grooves for mounting the rear wheel brackets are formed on the inner sides of the first mounting pipes, the rear wheel brackets are detachably connected with the first mounting pipes through marbles, a cross bracket is arranged between the two main brackets and comprises two supporting rods which are mutually pivoted, the bottom ends of the supporting rods are fixedly provided with rotating shafts, the rotating shafts are fixedly provided with locking cams, the outer side wall of the first mounting pipe is fixedly provided with a shaft seat, the rotating shafts are movably assembled on the shaft seat, the first mounting pipe is provided with open through holes communicated with the mounting grooves, when the cross bracket is unfolded, the locking cam rotates along with the rotating shaft, so that the locking cam can extend into the open through hole to abut against the outer side wall of the rear wheel bracket. The foldable walking-aid cart can lock the rear wheel bracket when being unfolded so as to improve the stability.

Description

Foldable walking-aid cart with rear wheel quick-dismantling function

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a collapsible walking aid shallow with rear wheel quick detach function.

Background

A walking-aid cart is a medical apparatus used for assisting the self-care of the daily walking of the people who are difficult to move (such as the latter in the operation, the old and the like). In order to reduce the packaging volume and facilitate carrying, some walking aid carts have the function of quickly disassembling rear wheels; specifically, these help shallow includes main support and rear wheel support, and wherein the rear wheel support is used for with rear wheel swing joint, and the rear wheel support forms detachable connection through marble and main support to the convenience is dismantled the rear wheel from the main support fast. However, since the rear wheel brackets are assembled on the main bracket in a marble manner, the rear wheel brackets are easily loosened, and the stability of the walk-assisting stroller is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a collapsible walking aid shallow with rear wheel quick detach function, it can lock the rear wheel support to improve stability.

The purpose of the utility model is realized by adopting the following technical scheme:

a foldable walking-aid cart with a function of quickly detaching rear wheels comprises two main brackets and two rear wheel brackets, wherein the rear wheel brackets are used for being movably connected with the rear wheels, each main bracket comprises a first installation pipe, a mounting groove for mounting the rear wheel brackets is formed in the inner side of the first installation pipe, the rear wheel brackets are detachably connected with the first installation pipe through marbles, a cross bracket is arranged between the two main brackets and comprises two support rods which are mutually pivoted, a rotating shaft is fixed at the bottom end of each support rod and is fixedly provided with a locking cam, a shaft seat is fixed on the outer side wall of the first installation pipe, the rotating shaft is movably assembled on the shaft seat, an open through hole communicated with the mounting groove is formed in the first installation pipe, and when the cross brackets are unfolded, the locking cam rotates along with the rotating shaft, so that the locking cam can extend into the open through hole to abut against the outer side wall of the rear wheel bracket.

Furthermore, the foldable walking-aid cart further comprises a foldable seat board, and two ends of the foldable seat board are respectively connected with the top ends of the two supporting rods, so that when the cross support is folded, the foldable seat board can be folded along with the cross support.

Furthermore, the foldable walking-aid cart further comprises a handle support, a handle and a brake handle are arranged on the handle support, and the main support further comprises a second mounting pipe used for being connected into the handle support.

Further, the first mounting pipe is located at the bottom end of the second mounting pipe, and the two support rods of the cross support are connected with the second mounting pipes of the two main supports through hinges respectively.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a foldable walking-aid cart with rear wheel quick-dismantling function, a cross bracket is arranged between two main brackets, the cross bracket comprises two support rods which are mutually pivoted, so that the cross bracket can be unfolded or folded, and the foldable walking-aid cart can be unfolded or folded;

the rear wheel bracket of the foldable walking-aid cart is detachably connected with the first mounting pipe of the main bracket through a marble, so that the foldable walking-aid cart has a rear wheel quick-detaching function;

a rotating shaft is fixed at the bottom end of a supporting rod of the cross support, a locking cam is fixed on the rotating shaft, a shaft seat is arranged on the outer side wall of a first mounting pipe, the rotating shaft is movably assembled on the shaft seat, a development through hole is formed in the first mounting pipe, and when the cross support is unfolded, the locking cam rotates along with the rotating shaft so that the locking cam can extend into the opening through hole to prop against the outer side wall of the rear wheel support; the foldable walking-aid cart locks the rear wheel bracket through the locking cam so as to improve the stability of the rear wheel bracket;

specifically, when the foldable walking-aid cart is unfolded, namely the cross bracket is unfolded, the locking cam can simultaneously lock the rear wheel bracket; that is to say only need expand the cross mount and can lock the rear wheel support, easy operation is convenient, has made things convenient for people's use.

Drawings

FIG. 1 is a schematic structural view of a foldable walker having a rear wheel quick release function according to a preferred embodiment of the present invention in an unfolded state;

FIG. 2 is an exploded view of the foldable walker cart of FIG. 1;

FIG. 3 is a schematic structural view of the foldable walker cart of FIG. 1 in a folded configuration;

FIG. 4 is a schematic view of the foldable walker cart of FIG. 1 in a folded position;

FIG. 5 is a schematic view of the foldable walker cart of FIG. 1 in an unfolded state.

In the figure: 1. a main support; 2. a rear wheel support; 3. a rear wheel; 11. a first mounting tube; 111. mounting grooves; 21. a marble; 4. a cross-brace; 41. a strut; 5. a folding seat board; 6. a handle bracket; 61. a handle; 62. a brake handle; 12. a second mounting tube; 42. a hinge; 43. a rotating shaft; 44. locking the cam; 112. a shaft seat; 113. and opening the through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

FIG. 1 is a schematic view of a foldable walker having a rear wheel quick release function according to a preferred embodiment of the present invention in an unfolded state; FIG. 2 is an exploded view of the foldable walker cart; FIG. 3 is a schematic structural view of the foldable walker stroller in a folded position. Referring to fig. 1, 2 and 3, it can be seen that the foldable walker trolley comprises two main brackets 1 and two rear wheel brackets 2, the rear wheel brackets 2 are movably connected with rear wheels 3, the main bracket 1 comprises a first mounting pipe 11, a mounting groove 111 for mounting the rear wheel brackets 2 is formed on the inner side of the first mounting pipe 11, and the rear wheel brackets 2 are detachably connected with the first mounting pipe 11 through marbles 21, so that the foldable walker trolley has a rear wheel quick-release function; a cross brace 4 is arranged between the two main braces 1, and the cross brace 4 comprises two struts 41 which are pivoted with each other, so that the cross brace 4 can be unfolded or folded, thereby enabling the foldable walking assist cart to be unfolded or folded.

Specifically, the foldable walking aid cart further comprises a foldable seat plate 5, wherein two ends of the foldable seat plate 5 are respectively connected with the top ends of the two supporting rods 41, so that when the cross bracket 4 is folded, the foldable seat plate 5 can be folded along with the cross bracket 4;

specifically, the foldable walking-aid cart further comprises a handle support 6, a handle 61 and a brake handle 62 are arranged on the handle support 6, and the main support 1 further comprises a second mounting pipe 12 for connecting the handle support 6;

specifically, the first mounting tube 11 is located at the bottom end of the second mounting tube 12, and the two struts 41 of the cross bracket 4 are connected to the second mounting tubes 12 of the two main brackets 1 through hinges 42, respectively.

FIG. 4 is a schematic view of the foldable walker cart in a folded position; FIG. 5 is a schematic view of the foldable walker cart in an unfolded state. Referring to fig. 1, 2, 3, 4 and 5, it can be seen that a rotating shaft 43 is fixed at the bottom end of the supporting rod 41, a locking cam 44 is fixed on the rotating shaft 43, a shaft seat 112 is fixed on the outer side wall of the first mounting pipe 11, the rotating shaft 43 is movably assembled on the shaft seat 112, the first mounting pipe 11 is provided with an open through hole 113 communicated with the mounting groove 111, when the cross bracket 4 is unfolded, the locking cam 44 rotates along with the rotating shaft 43, so that the locking cam 44 can extend into the open through hole 113 to prop against the outer side wall of the rear wheel bracket 2; the foldable walker cart locks the rear wheel frame 2 by means of the locking cam 44 to improve the stability of the rear wheel frame 2.

In the embodiment, when the foldable walking-aid cart is unfolded, namely the cross bracket 4 is unfolded, the locking cam 44 can simultaneously lock the rear wheel bracket 2, namely the rear wheel bracket 2 can be locked only by unfolding the cross bracket 4, so that the foldable walking-aid cart is simple and convenient to operate and is convenient for people to use; also, when the cross frame 4 is folded, the locking cam 44 is simultaneously separated from the rear wheel frame 2, and the rear wheel frame 2 can be quickly detached by pressing the ball 21.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a collapsible capable shallow of helping with rear wheel quick detach function, includes two main supports and two rear wheel supports, the rear wheel support be used for with rear wheel swing joint, the main support includes first installation pipe, the inboard of first installation pipe is formed with and is used for the installation the mounting groove of rear wheel support, the rear wheel support through the marble with first installation pipe forms detachable connection, its characterized in that: be provided with the cross arm between two main supports, the cross arm includes the branch of two mutual pin joints, the bottom mounting of branch has the axis of rotation, the axis of rotation is fixed with the locking cam, the lateral wall of first installation pipe is fixed with the axle bed, axis of rotation movable assembly in the axle bed, the intercommunication has been seted up to first installation pipe the open through-hole of mounting groove, when the cross arm expandes, the locking cam follows the axis of rotation rotates, so that the locking cam can stretch into thereby open through-hole withstands the lateral wall of rear wheel support.

2. A foldable walking assist cart with quick release function of rear wheels as claimed in claim 1, wherein: the foldable walking-aid cart further comprises a foldable seat board, wherein two ends of the foldable seat board are respectively connected with the top ends of the two supporting rods, so that when the cross support is folded, the foldable seat board can be folded along with the cross support.

3. A foldable walking assist cart with quick release function of rear wheels as claimed in claim 1, wherein: the foldable walking-aid cart further comprises a handle support, a handle and a brake handle are arranged on the handle support, and the main support further comprises a second mounting pipe used for being connected into the handle support.

4. A foldable walking assist cart with quick release function of rear wheels as claimed in claim 3, wherein: the first mounting pipe is positioned at the bottom end of the second mounting pipe, and the two support rods of the cross support are respectively connected with the second mounting pipes of the two main supports through hinges.