CN219056353U - Automatic folding cart - Google Patents

Abstract

The utility model discloses an automatic folding cart, which belongs to the technical field of folding carts and comprises a front cart component, wherein the front cart component comprises two front foot pipes and rear foot pipes hinged on the front foot pipes, one ends of the front foot pipes are fixedly provided with front wheel seats, the front wheel seats are rotatably provided with front wheels, the rear foot pipes are fixedly provided with backrest fixing pieces, the backrest fixing pieces are provided with bottom support connecting pieces, the backrest fixing pieces are hinged with backrest pipes, and front seat supporting rods are hinged between the backrest fixing pieces and the front foot pipes; the utility model has simple structure, beautiful appearance, reasonable structure and strong stability. The folding device has the advantages of simple operation, small folding volume, flexible rotation, capability of sitting, semi-lying, direction changing of the pushing handle, high applicability, simple and convenient operation, folding volume and one-key vehicle collection.

Description

Automatic folding cart

Technical Field

The utility model relates to the technical field of folding carts, in particular to an automatic folding cart.

Background

The folding cart is a cart capable of reducing the volume thereof in a folding manner, and a folding version is designed as much as possible for portable carts with various purposes for convenient carrying and storage. The similar seat cushion in the market has complex structure, poor operation flexibility, poor stability, unreasonable appearance structure and difficult operation of opening and folding; for this we propose an automatic folding cart.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an automatic folding trolley, overcomes the defects of the prior art and aims at solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic folding cart comprises a front cart component, wherein the front cart component comprises two front foot pipes and rear foot pipes hinged to the front foot pipes, one ends of the front foot pipes are fixedly provided with front wheel seats, front wheels are rotatably arranged on the front wheel seats, backrest fixing pieces are fixedly arranged on the rear foot pipes, bottom support connecting pieces are arranged on the backrest fixing pieces, backrest pipes are hinged to the backrest fixing pieces, front seat supporting rods are hinged between the backrest fixing pieces and the front foot pipes, rear wheels are rotatably arranged at the bottoms of the rear foot pipes, and brake handles are arranged between the two rear wheels;

the handle assembly comprises lower handle rods fixedly mounted on the backrest fixing piece, an inner big joint and an outer big joint are respectively fixedly mounted on the two lower handle rods, a front awning seat is mounted on the inner big joint and the outer big joint, a front awning is mounted on the front awning seat, a push handle is fixedly mounted on the outer big joint, and a rear awning, two safety buttons and a folding button are arranged on the push handle.

As a preferable technical scheme of the utility model, a pedal is fixed between the two front wheel seats and is positioned above the front wheels.

As a preferable technical scheme of the utility model, a front handrail is fixed between the tops of two rear foot pipes, a button is arranged between the front handrail and the rear foot pipes, a side handrail connecting piece is hinged on the front foot pipe, and a fixed iron sheet is arranged on the side handrail connecting piece.

As a preferable technical scheme of the utility model, a positioning roller, a pulling piece, a folding pressure spring and a folding positioning piece are arranged between the outer large joint and the inner large joint.

As a preferable technical scheme of the utility model, the lower handle rod is provided with a clamping positioning rod, and the clamping positioning rod is provided with a folding positioning spring and a movable positioning shaft.

As a preferable technical scheme of the utility model, the front handrail is provided with an anti-skid sleeve.

The utility model has the beneficial effects that:

after the second safety button is pressed firstly, the pulling piece is pulled by fingers, and because the pulling piece is provided with an inclined groove and an inclined boss in the outer large joint, the pulling piece moves to one side, and meanwhile the positioning roller moves to one side in the same direction, the positioning roller is completely separated from the outer large joint, the push handle can be folded and rotated, and meanwhile, the folding button, namely the joint, is released, and the positioning roller moves outwards under the action of the folding pressure spring, so that the pulling piece and the positioning roller move outwards together, and move to the corresponding groove of the outer joint, namely the attaching position.

When the pulling piece is pulled by fingers, the pulling piece is provided with a slope groove and an inclined boss in the outer big joint, at the moment, the pulling piece moves to one side, meanwhile, the positioning roller moves to one side in the same direction, the positioning roller is completely separated from the outer big joint, the push handle can be folded and rotated, at the moment, the inner big joint also rotates, the folding positioning piece is linked in the inner big joint to rotate, the movable positioning shaft is driven to move, the movable positioning shaft is separated from the fixed iron sheet, at the moment, the fixed iron sheet rotates, meanwhile, the backrest fixing piece also rotates, the fixed iron sheet is fixed on the side armrest connection, also rotates downwards, simultaneously, the front heel also rotates, the front seat cushion support tube also rotates, and the bottom support tube rotates with the bottom support connecting piece, the bottom support connecting piece rotates with the backrest fixing piece, and the bottom support tube rotates with the backrest fixing piece, and the backrest fixing piece rotates after the push handle is put down, and the folding bicycle is folded.

The utility model has simple structure, beautiful appearance, reasonable structure and strong stability. The folding device has the advantages of simple operation, small folding volume, flexible rotation, capability of sitting, semi-lying, direction changing of the pushing handle, high applicability, simple and convenient operation, folding volume and one-key vehicle collection.

Drawings

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

FIG. 2 is a schematic view of an open front vehicle structure of the present utility model;

FIG. 3 is a schematic view of the structure of the utility model in an unfolded state;

FIG. 4 is a schematic view of a folded state structure of the present utility model;

FIG. 5 is a schematic view of the handle assembly of the present utility model;

fig. 6 is a schematic view of the handle folding assembly of the present utility model.

In the figure: 1. a pushing handle; 2. a second safety button; 3. folding the button; 4. a front awning; 5. a rear awning; 6. a front canopy base; 7. an outer large joint; 8. a pulling member; 9. a positioning wheel; 10. folding a pressure spring; 11. folding the positioning piece; 12. an inner large joint; 13. a lower handle bar; 14. folding a positioning spring; 15. moving the positioning shaft; 16. a clamping positioning rod; 17. fixing the iron sheet; 18. a backrest fixing member; 19. a bottom stay connection; 20. a backrest tube; 21. a front armrest; 22. a button; 23. a front foot tube; 24. a front wheel seat; 25. a front wheel; 26. a rear wheel; 27. a foot pedal; 28. a front seat support bar; 29. a rear foot tube; 30. a brake lever; 31. side rail connectors.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-6, the automatic folding cart comprises a front cart assembly, wherein the front cart assembly comprises two front foot tubes 23 and a rear foot tube 29 hinged on the front foot tubes 23, a front wheel seat 24 is fixed at one end of each front foot tube 23, a front wheel 25 is rotatably mounted on each front wheel seat 24, a foot pedal 27 is fixed between the two front wheel seats 24, and the foot pedal 27 is positioned above the front wheel 25.

The back leg pipe 29 is fixedly provided with a back fixing piece 18, the back fixing piece 18 is provided with a bottom stay connecting piece 19, the back fixing piece 18 is hinged with a back pipe 20, a front seat supporting rod 28 is hinged between the back fixing piece 18 and the front leg pipe 23, the bottom of the back leg pipe 29 is rotatably provided with a back wheel 26, and a brake handle 30 is arranged between the two back wheels 26;

the handle assembly comprises lower handle bars 13 fixedly arranged on a backrest fixing piece 18, an inner large joint 12 and an outer large joint 7 are respectively fixedly arranged on the two lower handle bars 13, and a positioning roller 9, a pulling piece 8, a folding pressure spring 10 and a folding positioning piece 11 are arranged between the outer large joint 7 and the inner large joint 12.

The inner large joint 12 and the outer large joint 7 are provided with a front awning seat 6, the front awning seat 6 is provided with a front awning 4, the outer large joint 7 is fixedly provided with a push handle 1, and the push handle 1 is provided with a rear awning 5, a two-way safety button 2 and a folding button 3.

A front handrail 21 is fixed between the tops of the two rear leg pipes 29, an anti-skid sleeve is arranged on the front handrail 21, a button 22 is arranged between the front handrail 21 and the rear leg pipes 29, a side handrail connecting piece 31 is hinged on the front leg pipes 23, and a fixed iron sheet 17 is arranged on the side handrail connecting piece 31.

The lower handle bar 13 is provided with a clamping positioning bar 16, and the clamping positioning bar 16 is provided with a folding positioning spring 14 and a movable positioning shaft 15.

Working principle: after the second safety button 2 is pressed, the pulling member 8 is pulled by fingers to press the folding button 3, and the pulling member 8 is provided with an inclined slot and an inclined boss in the outer big joint 7, so that the pulling member 8 moves to one side, and the positioning roller 9 moves to one side in the same direction, so that the positioning roller 9 is completely separated from the outer big joint of the outer big joint 7, the push handle 1 can be folded and rotated, the big joint in the front handrail 12 also rotates, the linkage member in the big joint in the front handrail 12 is rotated, the folding positioning member 11 pulls and rotates to drive the movable positioning shaft 15 to move the positioning shaft 15 to separate from the fixed iron sheet 17, the fixed iron sheet 17 rotates, the backrest fixing member 18 rotates simultaneously, the fixed iron sheet 17 is fixed on the side handrail connection 31 and rotates downwards simultaneously, and the front heel 23 rotates simultaneously, and the front seat cushion 28 rotates continuously with the bottom cushion 19 connection member 19 rotates continuously with the backrest fixing member 18 to rotate, and the backrest fixing member 18 rotates continuously and the backrest fixing member 1 is folded and unfolded.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. 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 (6)

1. Automatic folding shallow, its characterized in that includes:

the front car assembly comprises two front foot pipes (23) and a rear foot pipe (29) hinged to the front foot pipes (23), one end of each front foot pipe (23) is fixedly provided with a front wheel seat (24), each front wheel seat (24) is rotatably provided with a front wheel (25), each rear foot pipe (29) is fixedly provided with a backrest fixing piece (18), each backrest fixing piece (18) is provided with a bottom stay connecting piece (19), each backrest fixing piece (18) is hinged with a backrest pipe (20), a front seat supporting rod (28) is hinged between each backrest fixing piece (18) and each front foot pipe (23), the bottom of each rear foot pipe (29) is rotatably provided with a rear wheel (26), and a brake handle (30) is arranged between each two rear wheels (26);

the handle assembly comprises a lower handle rod (13) fixedly mounted on a backrest fixing piece (18), an inner big joint (12) and an outer big joint (7) are fixedly mounted on the two lower handle rods (13) respectively, a front awning seat (6) is mounted on the inner big joint (12) and the outer big joint (7), a front awning (4) is mounted on the front awning seat (6), a push handle (1) is fixedly mounted on the outer big joint (7), and a rear awning (5), a two-channel safety button (2) and a folding button (3) are arranged on the push handle (1).

2. The automatic folding cart according to claim 1, characterized in that a foot pedal (27) is fixed between the two front wheel seats (24), the foot pedal (27) being located above the front wheel (25).

3. The automatic folding cart according to claim 2, characterized in that a front handrail (21) is fixed between the tops of the two rear leg pipes (29), a button (22) is arranged between the front handrail (21) and the rear leg pipes (29), a side handrail connecting piece (31) is hinged on the front leg pipe (23), and a fixed iron sheet (17) is arranged on the side handrail connecting piece (31).

4. The automatic folding cart according to claim 1, characterized in that a positioning wheel (9), a pulling member (8), a folding compression spring (10) and a folding positioning member (11) are arranged between the outer large joint (7) and the inner large joint (12).

5. The automatic folding cart according to claim 1, wherein the lower handle bar (13) is provided with a clamping positioning bar (16), and the clamping positioning bar (16) is provided with a folding positioning spring (14) and a moving positioning shaft (15).

6. An automatic folding cart according to claim 3, characterized in that said front handrail (21) is provided with an anti-slip sleeve.

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