CN216709515U

CN216709515U - Bicycle with rear frame folding function

Info

Publication number: CN216709515U
Application number: CN202122657256.8U
Authority: CN
Inventors: 徐恩忠
Original assignee: Tianjin Rui Yang Sports Equipment Co ltd
Current assignee: Tianjin Rui Yang Sports Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-06-10
Anticipated expiration: 2031-11-02

Abstract

The utility model belongs to the technical field of bicycles, and relates to a bicycle with a rear frame folding function, which comprises a bicycle body, wherein a support frame is arranged on the surface of the bicycle body, a rear seat is arranged on the surface of the bicycle body, a hinge is fixedly connected to the surface of the rear seat, a movable plate is movably connected to the rear seat through the hinge, a placing groove is formed in the surface of the movable plate, a pin shaft is fixedly connected to the inside of the placing groove, and a connecting block is movably connected to the placing groove through the pin shaft. Its beneficial effect is, this bicycle with after-frame folding function through setting up fixed pipe and movable rod, is carrying out the in-process that expandes as the staff to the fly leaf, and the staff only needs to make the position of fixed pipe and movable rod fix in the inside of draw-in groove with the fixture block joint under the cooperation of spacing bolt and spacing groove to the effect of supporting the fly leaf has been reached.

Description

Bicycle with rear frame folding function

Technical Field

The utility model belongs to the technical field of bicycles, and particularly relates to a bicycle with a rear frame folding function.

Background

Bicycle is also known as bicycle or bicycle, be two small-size land vehicle of wheel usually, the people rides the car back, use the foot to step on the footboard as power, be green's vehicle, the vehicle that can regard as the environmental protection is used for riding instead of walk, the trip, more and more people are used for riding the exercise as body-building apparatus with the bicycle, the bicycle of using at present goes out, there is certain defect in the bicycle of using at present, the rear frame space of bicycle is little, inconvenient back seat carried article, the folding back frame that has now simultaneously lacks supports fixed establishment, cause the folded sheet inconvenient support when launching, and the folded sheet lacks positioning mechanism, the inconvenient folding accomodating that folds.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a bicycle with a rear frame folding function, which solves the technical problems that the rear frame space of a bicycle is small, articles are inconvenient to carry by a rear seat, and the rear frame is short of supporting, fixing, positioning and containing.

In order to achieve the purpose, the utility model provides the following technical scheme: a bicycle with a rear frame folding function comprises a bicycle body, wherein a supporting frame is arranged on the surface of the bicycle body, the surface of the bicycle body is provided with a rear seat, the surface of the rear seat is fixedly connected with a hinge, the rear seat is movably connected with a movable plate through a hinge, the surface of the movable plate is provided with a placing groove, the inside of the placing groove is fixedly connected with a pin shaft, the placing groove is movably connected with a connecting block through the pin shaft, a fixed pipe is fixedly connected to the side surface of the connecting block, a movable rod is arranged in the fixed pipe in a penetrating way, the side surface of the movable rod is fixedly connected with a clamping block, the surface of the supporting frame is fixedly connected with a clamping groove, the clamping block is matched with the clamping groove, a movable groove is arranged in the rear seat, a push rod is arranged in the movable groove, the surface of the push rod is sleeved with a first spring, and the bottom end of the push rod is fixedly connected with a conical block.

As a further scheme of the utility model: the movable groove is characterized in that a positioning column is arranged inside the movable groove, an extrusion block is fixedly connected to the side face of the positioning column, and the extrusion block is matched with the conical block.

As a further scheme of the utility model: the surface of the positioning column is sleeved with a second spring, the side face of the movable plate is provided with a positioning hole, the positioning column is matched with the positioning hole, and the top end of the push rod is fixedly connected with a handle.

As a further scheme of the utility model: the surface of the fixed pipe is provided with a threaded hole, a limiting bolt is arranged in the threaded hole in a penetrating mode, a limiting groove is formed in the surface of the movable rod, and the limiting bolt is arranged in the limiting groove in a penetrating mode.

As a further scheme of the utility model: the movable plates are arranged in two groups and symmetrically arranged on the surface of the rear seat, and the clamping grooves are arranged on the surface of the support frame in two groups and symmetrically arranged.

Compared with the prior art, the utility model has the beneficial effects that:

1. this bicycle with after-frame folding function through setting up fixed pipe and movable rod, is carrying out the in-process that expandes to the fly leaf when the staff, and the staff only needs to make the position of fixed pipe and movable rod fix in the inside of draw-in groove with the fixture block joint under the cooperation of spacing bolt and spacing groove to reached and carried out the effect that supports to the fly leaf.

2. This bicycle with after-frame folding function through setting up push rod and reference column, when the staff is carrying out the in-process fixed to the position of fly leaf, under the effect of first spring, can make the toper piece reach the inside that the reference column removed to the locating hole through the extrusion piece to realized carrying out the purpose fixed to the fly leaf.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic top sectional view of the rear seat of the present invention;

FIG. 3 is a schematic side sectional view of the rear seat of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B according to the present invention;

in the figure: 1. a bicycle body; 2. a support frame; 3. a rear seat; 4. a hinge; 5. a movable plate; 6. a placement groove; 7. a pin shaft; 8. a connecting seat; 9. a fixed tube; 10. a movable rod; 11. a threaded hole; 12. a limit bolt; 13. a limiting groove; 14. a clamping block; 15. a card slot; 16. a movable groove; 17. a push rod; 18. a conical block; 19. a first spring; 20. a handle; 21. a positioning column; 22. extruding the block; 23. a second spring; 24. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a bicycle with a rear frame folding function comprises a bicycle body 1, a support frame 2 is arranged on the surface of the bicycle body 1, a rear seat 3 is arranged on the surface of the bicycle body 1, a hinge 4 is fixedly connected to the surface of the rear seat 3, a movable plate 5 is movably connected to the rear seat 3 through the hinge 4, a placement groove 6 is formed in the surface of the movable plate 5, a pin shaft 7 is fixedly connected to the inside of the placement groove 6, the placement groove 6 is movably connected with a connecting block 8 through the pin shaft 7, a fixed pipe 9 is fixedly connected to the side surface of the connecting block 8, a movable rod 10 penetrates through the inside of the fixed pipe 9, a clamping block 14 is only required to be clamped inside a clamping groove 15 through the arrangement of the fixed pipe 9 and the movable rod 10, under the matching of a limiting bolt 12 and a limiting groove 13, the positions of the fixed pipe 9 and the movable rod 10 can be fixed, and the effect of supporting the movable plate 5 is achieved, the side fixedly connected with fixture block 14 of movable rod 10, the fixed surface of support frame 2 is connected with draw-in groove 15, fixture block 14 and draw-in groove 15 phase-match, and movable groove 16 has been seted up to the inside of back seat 3, and the inside of movable groove 16 is provided with push rod 17, and first spring 19 has been cup jointed on the surface of push rod 17, and the bottom fixedly connected with toper piece 18 of push rod 17.

Specifically, the inside of activity groove 16 is provided with reference column 21, through setting up push rod 17 and reference column 21, under the effect of first spring 19, can make conical block 18 reach the inside that reference column 21 removed to locating hole 24 through extrusion block 22, realizes fixing the purpose to fly leaf 5, and the side fixedly connected with extrusion block 22 of reference column 21 extrudees the block 22 and conical block 18 phase-match.

Specifically, the surface of the positioning column 21 is sleeved with a second spring 23, the side surface of the movable plate 5 is provided with a positioning hole 24, the positioning column 21 is matched with the positioning hole 24, and the top end of the push rod 17 is fixedly connected with a handle 20.

Specifically, a threaded hole 11 is formed in the surface of the fixed pipe 9, a limiting bolt 12 is arranged inside the threaded hole 11 in a penetrating manner, a limiting groove 13 is formed in the surface of the movable rod 10, and the limiting bolt 12 is arranged inside the limiting groove 13 in a penetrating manner.

Specifically, the movable plates 5 are symmetrically arranged on the surface of the rear seat 3, and the locking slots 15 are symmetrically arranged on the surface of the supporting frame 2.

The working principle of the utility model is as follows: in the utility model, when the device is used, firstly, the device is moved to a proper position, when a worker uses the device to carry objects, firstly, the worker drives the push rod 17 to move upwards through the handle 20 to enable the first spring 19 to contract, simultaneously, the positioning column 21 is separated from the inner part of the positioning hole 24 under the coordination of the second spring 23, then, the worker drags the movable plate 5 to rotate to enable the movable plate 5 to expand towards the two sides of the rear seat 3, then, the worker twists the limiting bolt 12 to enable the limiting bolt 12 to move out of the limiting groove 13, simultaneously, the worker drags the movable rod 10 to move, and drags the fixed pipe 9 to rotate to enable the clamping block 14 to be clamped in the clamping groove 15, then, the worker twists the limiting bolt 12 to enable the limiting bolt 12 to move to the inner part of the limiting groove 13, thus, the position of the movable rod 10 can be fixed, reach and carry out the effect that supports to fly leaf 5 to be convenient for the staff loads the goods.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a bicycle with after-frame folding function, includes bicycle body (1), its characterized in that: the bicycle is characterized in that a support frame (2) is arranged on the surface of a bicycle body (1), a rear seat (3) is arranged on the surface of the bicycle body (1), a hinge (4) is fixedly connected to the surface of the rear seat (3), a movable plate (5) is movably connected to the rear seat (3) through the hinge (4), a placing groove (6) is formed in the surface of the movable plate (5), a pin shaft (7) is fixedly connected to the inside of the placing groove (6), a connecting block (8) is movably connected to the placing groove (6) through the pin shaft (7), a fixed pipe (9) is fixedly connected to the side surface of the connecting block (8), a movable rod (10) is arranged inside the fixed pipe (9) in a penetrating mode, a clamping block (14) is fixedly connected to the side surface of the movable rod (10), a clamping groove (15) is fixedly connected to the surface of the support frame (2), and the clamping block (14) is matched with the clamping groove (15), a movable groove (16) is formed in the rear seat (3), a push rod (17) is arranged in the movable groove (16), a first spring (19) is sleeved on the surface of the push rod (17), and a conical block (18) is fixedly connected to the bottom end of the push rod (17).

2. The bicycle with a rear frame folding function according to claim 1, wherein: a positioning column (21) is arranged inside the movable groove (16), an extrusion block (22) is fixedly connected to the side face of the positioning column (21), and the extrusion block (22) is matched with the conical block (18).

3. The bicycle with a rear frame folding function according to claim 2, wherein: the surface of the positioning column (21) is sleeved with a second spring (23), the side face of the movable plate (5) is provided with a positioning hole (24), the positioning column (21) is matched with the positioning hole (24), and the top end of the push rod (17) is fixedly connected with a handle (20).

4. The bicycle with a rear frame folding function according to claim 1, wherein: the surface of the fixed pipe (9) is provided with a threaded hole (11), a limiting bolt (12) is arranged in the threaded hole (11) in a penetrating mode, a limiting groove (13) is arranged on the surface of the movable rod (10), and the limiting bolt (12) is arranged in the limiting groove (13) in a penetrating mode.

5. The bicycle with a rear frame folding function according to claim 1, wherein: the movable plates (5) are arranged on the surface of the rear seat (3) in two groups, and the clamping grooves (15) are arranged on the surface of the support frame (2) in two groups.