CN211336079U

CN211336079U - Folding knee cart

Info

Publication number: CN211336079U
Application number: CN201922446535.2U
Authority: CN
Inventors: 张海卫
Original assignee: Foshan Hfk Medical Technology Co ltd
Current assignee: Foshan Hfk Medical Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-25
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a folding knee shallow belongs to medical instrument technical field, including the montant, the horizontal pole, main part pole and rear wheel pipe, the montant passes through main part pole and rear wheel union coupling, the montant endotheca is equipped with and rotates the dwang of being connected with the horizontal pole, be equipped with the separation blade between the end of montant and the horizontal pole, install on the separation blade and rotate the piece, the top parallel of separation blade is equipped with spacing piece, spacing piece horizontal direction's both ends all have spacing arc to collude, it is located between two spacing arcs collude to rotate the piece, it includes the sleeve of fixed mounting on the separation blade to rotate between two spacing arcs collude and rotate the horizontal pole when sliding in the sleeve and being equipped with the jack-up and rotate the horizontal pole to the round pin that. Through setting up separation blade, spacing piece and rotation piece, when using the knee shallow, the montant can rotate relatively with the horizontal pole, when folding, through pulling down the pull pin, makes the bull stick rotate to the state that parallels with the main part pole, saves the space that occupies after folding.

Description

Folding knee cart

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a folding knee shallow.

Background

The cart is a tool for going out or rehabilitating a person with mobility disability. The existing folding cart is disclosed by the applicant, wherein the application is provided in 2017, 06 and 05, and the announcement is authorized in 2018, 02 and 02, wherein the announcement number is CN206954268U, and the knee cart specifically comprises a front wheel bracket, and the front wheel bracket comprises cross bars and vertical bars; one end of the main body rod is fixedly connected with the vertical rod; the rear wheel supporting piece is connected with the main body rod in a rotating mode through a rotating shaft, and the rear wheel supporting piece winds the rotating shaft to rotate so as to achieve unfolding and folding of the rear wheel. But the horizontal pole and the montant fixed connection of front wheel, when folding, the horizontal pole can not rotate, makes horizontal pole and main part pole keep vertically connected state, occupies after folding and places the space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art current situation, provide a horizontal pole and montant rotate to be connected, can rotate the horizontal pole that two front wheels are connected to the folding knee shallow parallel with the main part pole when folding.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a folding knee shallow, includes montant, horizontal pole, main part pole and rear wheel pipe, and the montant passes through main part pole and rear wheel union coupling, its characterized in that: the montant endotheca is equipped with the dwang of being connected with the horizontal pole rotation, is equipped with the separation blade between the end of montant and the horizontal pole, installs on the separation blade and rotates the piece, and the top parallel of separation blade is equipped with spacing piece, and spacing piece fixed mounting is on the montant, and spacing piece horizontal direction's both ends all have spacing arc to collude, it is located between two spacing arcs collude to rotate the piece, rotates the piece and includes the sleeve of fixed mounting on the separation blade, and montant and horizontal pole rotate between two spacing arcs collude and rotate and can rotate the horizontal pole to drawing the round pin parallel with the bulk rod when pulling down when the sleeve slides and is.

The end of the rotating rod is provided with an anti-falling end cover used for preventing the rotating rod from being separated from the cross rod.

The bottom surface of separation blade is fixed on the horizontal pole, rotates the piece and lies in same one side with spacing piece.

The sleeve is provided with a cylindrical cavity, a stop ring is sleeved at the end part of the pull pin, which is positioned in the cylindrical cavity, and a spring is resisted between the stop ring and the bottom surface of the cylindrical cavity.

The stop ring is matched and attached to the cavity wall of the cylindrical cavity.

The pull pin penetrates through the sleeve and protrudes out of one end of the sleeve to be connected with an anti-drop nut through threads, and the end face of the anti-drop nut abuts against the bottom of the sleeve.

The tail end of the pull pin, which is far away from the stopping ring, is provided with a through hole, and a pull ring for pulling the pull pin to slide in the cylindrical cavity is arranged in the through hole.

The vertical rod is connected with a handrail tube, a handle tube is arranged above the handrail tube, and handles are respectively arranged at two ends of the handle tube.

The beneficial effects of the utility model reside in that: through setting up separation blade, spacing piece and rotation piece, when using the knee shallow, the montant can rotate relatively with the horizontal pole, when folding, through pulling down the pull pin, makes the bull stick rotate to the state that parallels with the main part pole, saves the space that occupies after folding.

Drawings

FIG. 1 is a side view of a knee stroller.

Fig. 2 is a first perspective view of the knee stroller.

Fig. 3 is a second perspective view of the knee stroller.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is a front view of the rotating member.

Fig. 7 is a cross-sectional view a-a of fig. 6.

Fig. 8 is an exploded view of the rotating member.

In the figure: 10-vertical rod, 11-horizontal rod, 12-main rod, 13-rear wheel tube, 14-handrail tube, 15-handle tube, 16-handle, 17-front wheel, 18-leg pad, 19-support tube, 20-rear wheel, 21-rotating rod, 22-blocking piece, 23-rotating piece, 231-sleeve, 232-cylindrical cavity, 233-pull pin, 234-blocking ring, 235-anti-dropping nut, 236-through hole, 237-pull ring, 24-limiting piece, 25-limiting arc hook and 26-folder.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments:

referring to fig. 1-4, the present invention discloses a foldable knee stroller, which comprises a vertical rod 10, a horizontal rod 11, a main rod 12 and a rear wheel tube 13, wherein the vertical rod 10 is connected to the rear wheel tube 13 through the main rod 12, the vertical rod 10 is connected to a handle tube 14, a handle tube 15 is disposed above the handle tube 14, and handles 16 are respectively mounted at two ends of the handle tube 15. Front wheels 17 are respectively installed at two ends of the cross rod 11, a supporting tube 19 for installing a leg pad 18 is arranged on the main body rod 12, the main body tube between the supporting tube 19 and the rear wheel tube 13 is a bent tube, and rear wheels 20 are respectively installed at two ends of the rear wheel tube 13.

The vertical rod 10 is internally sleeved with a rotating rod 21 which is rotatably connected with the cross rod 11, and the tail end of the rotating rod 21 is provided with an anti-falling end cover which is not shown and is used for preventing the rotating rod 21 from being separated from the cross rod 11.

A baffle 22 is arranged between the tail end of the vertical rod 10 and the cross rod 11, the bottom surface of the baffle 22 is fixed on the cross rod 11, a rotating piece 23 is installed on the baffle 22, a limiting piece 24 is arranged above the baffle 22 in parallel, the limiting piece 24 is fixedly installed on the vertical rod 10, two ends of the limiting piece 24 in the horizontal direction are provided with limiting arc hooks 25, the rotating piece 23 and the limiting piece 24 are located on the same side, and the rotating piece 23 is located between the two limiting arc hooks 25.

As shown in fig. 6-8, the rotating member 23 includes a sleeve 231 fixedly mounted on the blocking plate 22, and a pull pin 233 is slidably disposed in the sleeve 231, wherein the vertical rod 10 and the horizontal rod 11 rotate between the two limiting hooks 25 and the rotating member 23 when the top is pushed up, and the horizontal rod 11 can be rotated to be parallel to the main rod 12 when the top is pulled down.

The sleeve 231 has a cylindrical cavity 232, the end of the pull pin 233 located in the cylindrical cavity 232 is sleeved with a stop ring 234, the stop ring 234 is matched and attached to the cavity wall of the cylindrical cavity 232, and a spring, not shown, is resisted between the stop ring 234 and the bottom surface of the cylindrical cavity 232.

The pull pin 233 penetrates the sleeve 231 and protrudes out of one end of the sleeve 231, and a retaining nut 235 is connected to the end of the sleeve 231 through threads, and the end face of the retaining nut 235 abuts against the bottom of the sleeve 231. The anti-slip nut 235 is used for abutting against the bottom of the sleeve 231 when the spring is restored to the extended state from the compressed state, and preventing the pull pin 233 from being pulled out of the sleeve 231 under the action of the spring force.

The end of the pull pin 233 remote from the stop ring 234 is provided with a through hole 236, and a pull ring 237 for pulling the pull pin 233 to slide in the cylindrical cavity 232 is arranged in the through hole 236.

When the user need rotate dwang 21 when the direction of adjustment knee shallow, the user rotates handle pipe 15 through handle 16, and then drives handrail pipe 14 in proper order, montant 10 and dwang 21 rotate, and because the spring is in the state of extending makes the round pin 233 jack-up that draws in rotating 23, when montant 10 rotates, install spacing piece 24 on montant 10 and then rotate, two spacing arcs on the spacing piece 24 collude 25 and touch the top of drawing round pin 233, make the rotation region of the relative horizontal pole 11 of montant 10 be between two spacing arcs collude 25 and draw round pin 233. Similarly, the cross rod 11 can also rotate relative to the rotating rod 21, and when the cross rod 11 rotates, the blocking piece 22 and the rotating piece 23 are driven to rotate, and then the rotating piece 23 moves between the two limiting arc hooks 25.

When a user needs to fold, the pull pin 233 is pulled downwards by the pull ring 237, the stop ring 234 presses the spring downwards, so that the spring is in a compressed state, and meanwhile, the top end of the pull pin 233 is accommodated in the cylindrical cavity 232 of the sleeve 231, so that the top end of the pull pin 233 cannot touch the limiting piece 24, the cross rod 11 is rotated to be parallel to the main body rod 12, and at this time, one of the front wheels 17 is rotatably placed below the main body rod 12.

Through setting up separation blade 22, spacing piece 24 and rotating piece 23, when using the knee shallow, montant 10 can rotate with horizontal pole 11 relatively, when folding, through pulling down pull pin 233, makes the bull stick rotate to the state that parallels with main part pole 12, saves the space that occupies after folding.

As shown in fig. 5, a folder 26 is installed on the main body rod 12, the folder 26 is a commercially available product, and the main body rod 12 connected to the base of the folder 26, the support tube 19 installed on the main body rod 12, the leg pad 18 installed on the support tube 19, the rear wheel tube 13 connected to the end of the main body rod 12, and the rear wheels 20 installed at both ends of the rear wheel tube 13 can be rotated to the front of the vertical rod 10 by the folder 26, so that the rear wheels 20 are rotated to the side flush with the front wheels 17, and the folded cart can be smoothly placed on the ground.

Of course, the above illustration is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so all equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a folding knee shallow, includes montant (10), horizontal pole (11), main part pole (12) and rear wheel pipe (13), montant (10) are connected its characterized in that through main part pole (12) and rear wheel pipe (13): a rotating rod (21) rotatably connected with the cross rod (11) is sleeved in the vertical rod (10), a blocking piece (22) is arranged between the tail end of the vertical rod (10) and the cross rod (11), a rotating piece (23) is installed on the blocking piece (22), a limiting piece (24) is arranged above the blocking piece (22) in parallel, the limiting piece (24) is fixedly installed on the vertical rod (10), and two ends of the limiting piece (24) in the horizontal direction are provided with limiting arc hooks (25);

rotate piece (23) and be located between two spacing arcs collude (25), rotate piece (23) including fixed mounting sleeve (231) on separation blade (22), montant (10) and horizontal pole (11) rotate between two spacing arcs collude (25) and rotate piece (23) relatively when sliding in sleeve (231) and being equipped with the jack-up and can rotate horizontal pole (11) to draw round pin (233) parallel with main part pole (12) when pulling down.

2. The folding knee cart of claim 1, wherein: the tail end of the rotating rod (21) is provided with an anti-falling end cover for preventing the rotating rod (21) from being separated from the cross rod (11).

3. The folding knee cart of claim 1, wherein: the bottom surface of the blocking piece (22) is fixed on the cross rod (11), and the rotating piece (23) and the limiting piece (24) are located on the same side.

4. The folding knee cart of claim 1, wherein: the sleeve (231) is provided with a cylindrical cavity (232), the end part of the pull pin (233) positioned in the cylindrical cavity (232) is sleeved with a stop ring (234), and a spring is resisted between the stop ring (234) and the bottom surface of the cylindrical cavity (232).

5. The folding knee cart of claim 4, wherein: the stop ring (234) is matched and attached with the cavity wall of the cylindrical cavity (232).

6. The folding knee cart of claim 4, wherein: the pull pin (233) penetrates through the sleeve (231) and protrudes out of one end of the sleeve (231) to be connected with the anti-falling nut (235) through threads, and the end face of the anti-falling nut (235) abuts against the bottom of the sleeve (231).

7. The folding knee cart of claim 6, wherein: the tail end of the pull pin (233) far away from the stop ring (234) is provided with a through hole (236), and a pull ring (237) used for pulling the pull pin (233) to slide in the cylindrical cavity (232) is arranged in the through hole (236).

8. The folding knee cart of claim 1, wherein: the vertical rod (10) is connected with a handrail tube (14), a handle tube (15) is arranged above the handrail tube (14), and handles (16) are respectively arranged at two ends of the handle tube (15).