CN211592823U

CN211592823U - Folding buckle structure and electric bicycle using same

Info

Publication number: CN211592823U
Application number: CN201921551860.9U
Authority: CN
Inventors: 陈强; 毕英春
Original assignee: Tianjin Leyou Technology Co ltd
Current assignee: Tianjin Leyou Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-09-29
Anticipated expiration: 2029-09-18

Abstract

The utility model provides a folding buckle structure and use electric bicycle of this structure, belong to electric motor car technical field, front beam and back beam looks proximal end are all installed on folding joint spare through connecting the pivot, and rotate with folding joint spare and be connected, folding joint spare sets up the square groove after front beam and back beam are pieced together, and outside terminal surface and front beam, the back beam is located on same side plane, it is fixed to expand the back through the buckle with the back beam, the buckle sets up the opposite side at folding joint spare, the front side and the back beam of back sloping lower extreme are connected, the upper end sets up in back seat below, the back sloping is hollow structure, inside is provided with electric motor car battery, first damping spring upper end articulates at the back sloping and is close to the rear side of lower extreme, the lower extreme articulates on the diaphragm in the middle of the back fork. The utility model discloses relative tradition foldable electric scooter, beta structure sets up in inside, does not show prominently around folding, and the appearance is more pleasing to the eye, adopts aluminum alloy or stainless steel material, light in weight.

Description

Folding buckle structure and electric bicycle using same

Technical Field

The utility model belongs to the technical field of the electric motor car, a folding buckle structure and use electric bicycle of this structure is related to.

Background

Along with the development of science and technology, the bicycle, the electric motor car has become the instrument of riding instead of walk of the biggest quantity in china, most electric motor car structures are whole frame construction all, make electric bicycle's volume great like this, be unfavorable for going out to carry, though along with the continuous development in electric motor car market, also evolve various light small and exquisite, the electric motor car that can fold, traditional folding electric motor car, partly rotates around another part, the realization is folding, folding part is in the outsides of expansion and folding salient, it is not very pleasing to the eye relatively.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide an electric bicycle of folding buckle structure and use this structure, novel structure, appearance are pleasing to the eye, light in weight, shock attenuation are effectual.

In order to solve the technical problem, the utility model discloses a technical scheme is:

folding buckle structure, including front beam, back beam, folding joint spare and buckle, the adjacent end of front beam and back beam all installs on folding joint spare through connecting the pivot, and rotates with folding joint spare and be connected, folding joint spare sets up the square trough after front beam and back beam are pieced together, and outside terminal surface and front beam, back beam lie in same side plane, it is fixed through buckle connection after front beam and back beam expand, the buckle sets up the opposite side at folding joint spare.

Furthermore, the folding connecting piece is of a box structure, the upper part of the connecting rotating shaft is a short shaft, the lower part of the connecting rotating shaft is an insert, the insert is clamped at the four corners of the folding connecting piece and penetrates through the side wall of the folding connecting piece through the short shaft to extend into the front cross beam or the rear cross beam, an end cover is arranged at the rear end of the folding connecting piece, and the insert is connected with the end cover through a screw.

Furthermore, chamfers are arranged at four corners of the folding connecting piece, and the insert blocks are arranged corresponding to the chamfer position structures of the folding connecting piece.

Further, the front cross beam and the rear cross beam rotate around the respective connecting rotating shafts for 90 degrees to be folded, and the front cross beam and the rear cross beam rotate towards the side of the folding connecting piece.

Further, the buckle includes card axle, pivot and U type draw-in groove, the card axle is inserted perpendicularly in the pivot, the pivot sets up perpendicularly at the rear cross beam side, and rotates with the rear cross beam and be connected, the front cross beam side is close to rear cross beam department and is provided with U type card, the card is blocked in U type card during the card axle horizontality, the one end that the pivot was kept away from to the card axle is provided with the handle.

Use the electric bicycle of folding buckle structure: including back sloping and first damping spring, the front side and the back crossbeam of back sloping lower extreme are connected, and the upper end sets up in back seat below, back sloping is hollow structure, and inside is provided with electric motor car battery, first damping spring upper end articulates at the back sloping and is close to the rear side of lower extreme, and the lower extreme articulates on the diaphragm in the middle of the back vent.

Furthermore, a second damping spring is arranged behind the first damping spring, the number of the second damping springs is two, the upper ends of the second damping springs are hinged to the rear side of the rear oblique beam, and the lower ends of the second damping springs are hinged to the adjacent rear forks respectively.

Furthermore, the first damping spring, the rear oblique beam and the rear fork are connected to form a triangular structure, and the second damping spring, the rear oblique beam and the rear fork are connected to form a triangular structure.

Furthermore, the lower end of the rear oblique beam is a center shaft, pedals are arranged on two sides of the center shaft, a support rod is arranged at the lower end of the center shaft, a support wheel is mounted at the lower end of the support rod, the support rod is rotatably connected with the support wheel, the centers of circles of the support wheel, the front wheel and the rear wheel are arranged on the same straight line, and the diameter of the support wheel is smaller than that of the front wheel.

Further, well pipe lower extreme is connected to the upside at back sloping middle part, well pipe upper end is the seat, be provided with third damping spring between well pipe and the seat, the front tube is connected to the front beam upper end, and the front fork is connected to the lower extreme, handlebar is installed to the front tube upper end, and the front fork lower extreme is installed in the front wheel both sides, back fork rear end both sides are installed in the rear wheel both sides.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses rotate the buckle, rotate front beam and rear frame and realize folding, folding connecting piece installs in the inside of front beam and rear frame, all similar body structure after expansion, folding, and the appearance is more pleasing to the eye.

3. The utility model discloses back sloping to back seat plays the support to the back seat, is connected with first damping spring and second damping spring between back sloping lower extreme and the back vent, plays fine cushioning effect.

3. The utility model discloses the centre of a circle setting of supporting wheel and front wheel, rear wheel is on same straight line, and the supporting wheel diameter is less than the front wheel diameter, and after electric bicycle was folding, front wheel and rear wheel all were in one side, and the supporting wheel plays the supporting role.

4. The aluminum alloy and the stainless steel are adopted, so that the weight is light and the carrying is convenient.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic front view of the folding buckle structure of the present invention;

fig. 2 is a schematic front view of the folded buckle structure of the present invention;

fig. 3 is a schematic structural view of the folded buckle structure of the present invention;

FIG. 4 is a schematic structural view of the folding connecting piece and the connecting shaft of the present invention;

fig. 5 is a schematic view of the connection of the folding buckle structure, the rear oblique beam, the middle tube and the rear seat of the present invention;

fig. 6 is a schematic view of the folding buckle structure and the electric bicycle using the structure of the present invention.

Description of reference numerals:

1. a front cross member; 2. a rear cross member; 3. folding the connecting piece; 301. an end cap; 4. buckling; 401. clamping a shaft; 402. a rotating shaft; 403. a U-shaped card; 404. a handle; 5. connecting the rotating shaft; 501. a minor axis; 502. an insert; 6. a rear sloping beam; 7. a first damping spring; 8. a second damping spring; 9. a seat; 10. a third damping spring; 11. a rear seat; 12. pedaling; 13. a middle shaft; 14. a support wheel; 15. a strut; 16. a rear fork; 17. a front wheel; 18. a front fork; 19. a head tube; 20. a handlebar; 21. a middle tube; 22. a rear wheel.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 4, the folding buckle structure includes a front beam 1, a rear beam 2, a folding connector 3 and a buckle 4, adjacent ends of the front beam 1 and the rear beam 2 are all installed on the folding connector 3 through a connecting rotating shaft 5, and are rotatably connected with the folding connector 3, the folding connector 3 is arranged in a square groove formed after the front beam 1 and the rear beam 2 are spliced, an outer end face of the folding connector is located on the same side plane with the front beam 1, the rear beam 2 is located on the same side plane, the front beam 1 and the rear beam 2 are fixedly connected through the buckle 4 after being unfolded, the buckle 4 is arranged on the opposite side of the folding connector 3, the buckle 4 is rotated, the folding of the front beam 1 and the rear beam 2 is realized, the folding connector 3 is installed inside the front beam 1 and the rear beam 2, the unfolding and the folding are similar to an integrated structure.

As shown in fig. 3 and 4, preferably, the folding connector 3 is of a box structure, the upper part of the connecting rotating shaft 5 is a short shaft 501, the lower part of the connecting rotating shaft is an insert 502, the insert 502 is clamped at four corners of the folding connector 3 and extends into the front beam 1 or the rear beam 2 through the short shaft 501 penetrating through the side wall of the folding connector 3, the rear end cover 301 of the folding connector 3 is provided with an end cover 301, the insert 502 is connected with the end cover 301 through a screw, the folding connector 3 is firstly installed on the front beam 1 or the rear beam 2, the folding connector 3 is connected with the front beam 1 and the rear beam 2 through the connecting rotating shaft 5, the end cover 301 covers the rear end of the folding connector 3 and is connected with the insert 502 at the lower part of the connecting rotating shaft 5 through a screw, so as to realize the positioning of the connecting rotating shaft 5.

As shown in fig. 3 and 4, preferably, four corners of the folding connector 3 are provided with chamfers, and the inserts 502 are arranged corresponding to the chamfer positions of the folding connector 3, so as to facilitate the rotation of the front beam 1 and the rear beam 2 around the folding connector 3.

As shown in fig. 2 and 3, it is preferable that the front and

rear cross members

1 and 2 are folded by rotating them by 90 ° about the respective connecting rotation shafts 5, and they are rotated toward the folding link 3 side.

As shown in fig. 2 and fig. 3, preferably, the buckle 4 includes a clamping shaft 401, a rotating shaft 402 and a U-shaped clamp 403, the clamping shaft 401 is vertically inserted onto the rotating shaft 402, the rotating shaft 402 is vertically disposed at the side end of the rear cross beam 2 and rotatably connected with the rear cross beam 2, the U-shaped clamp 403 is disposed at the side end of the front cross beam 1 close to the rear cross beam 2, the clamping shaft 401 is clamped in the U-shaped clamp 403 when in a horizontal state, a handle 404 is disposed at the end of the clamping shaft 401 far from the rotating shaft 402, when the clamping shaft 401 is unfolded, the clamping shaft 401 is horizontally clamped in the U-shaped clamp 403, so that the front cross beam 1 and the rear cross beam 2 are fixed and maintained on the same plane, when the folding is performed, the clamping shaft 401 is rotated by the handle 403, the clamping shaft 401 is in a vertical state.

As shown in fig. 5 and 6, the electric bicycle using the folding buckle structure comprises a rear oblique beam 6 and a first damping spring 7, wherein the front side of the lower end of the rear oblique beam 6 is connected with a rear cross beam 2, the upper end of the rear oblique beam is arranged below a rear seat 11, the rear oblique beam 6 is of a hollow structure, an electric bicycle battery is arranged inside the electric bicycle, the upper end of the first damping spring 7 is hinged to the rear side of the rear oblique beam 6 close to the lower end, the lower end of the first damping spring is hinged to a transverse plate in the middle of a rear fork 16, the rear oblique beam 6 faces the rear seat 11 and supports the rear seat 11, and meanwhile, the first damping spring 7 is connected between the lower end and the rear fork 16.

As shown in fig. 6, preferably, a second damping spring 8 is further disposed behind the first damping spring 7, and the second damping springs 8 are disposed in two numbers, and have upper ends hinged to the rear side of the rear oblique beam 6 and lower ends hinged to the adjacent rear forks 16, respectively, so as to further achieve a damping effect.

As shown in fig. 6, preferably, the first damping spring 7, the rear oblique beam 6 and the rear fork 16 are connected to form a triangular structure, and the second damping spring 8, the rear oblique beam 6 and the rear fork 16 are connected to form a triangular structure, so that the stability and the damping effect are good.

As shown in fig. 6, preferably, the lower end of the rear oblique beam 6 is a central axle 13, two sides of the central axle 13 are pedals 12, the lower end of the central axle 13 is provided with a supporting rod 15, the lower end of the supporting rod 15 is provided with a supporting wheel 14, the supporting rod 15 is rotatably connected with the supporting wheel 14, the front wheel 17 and the center of the rear wheel are arranged on the same straight line, the diameter of the supporting wheel 14 is smaller than that of the front wheel 17, after the electric bicycle is folded, the front wheel 17 and the rear wheel 22 are both on one side, and the supporting wheel 14 plays.

As shown in fig. 5 and 6, preferably, the upper side of the middle part of the rear oblique beam 6 is connected with the lower end of a middle tube 21, the upper end of the middle tube 21 is provided with the seat 9, a third damping spring 10 is arranged between the middle tube 21 and the seat 9, the upper end of the front cross beam 1 is connected with a front tube 19, the lower end is connected with a front fork 18, the upper end of the front tube 19 is provided with a handle 20, the lower end of the front fork 18 is arranged on two sides of the front wheel 17, and two sides of the rear end of the rear fork 16.

The specific implementation mode is as follows: the folding connecting piece 3 is arranged in a square groove formed after the front beam 1 and the rear beam 2 are spliced, the outer side end face of the folding connecting piece 3 is positioned on the same side plane with the front beam 1 and the rear beam 2, the folding connecting piece 3 is rotationally connected with the front beam 1 and the rear beam 2 through the connecting rotating shaft 5, the end cover 301 covers the rear end of the folding connecting piece 3 and is connected with an insert 502 at the lower part of the connecting rotating shaft 5 through a screw to realize the positioning of the connecting rotating shaft 5, or a telescopic limiting block is arranged on the folding connecting piece 3 to limit the position of each connecting rotating shaft 5, the front beam 1 and the rear beam 2 rotate for 90 degrees around the respective connecting rotating shaft 5 to be folded and rotate towards the folding connecting piece 3, the front beam 1 and the rear beam 2 are fixedly connected through a buckle 4 after being unfolded, the buckle 4 is arranged at the opposite side of the folding connecting piece 3, when being unfolded, the buckle shaft 401 is horizontally clamped in a U-, and are kept on the same plane, when folding, rotate and rotate the fastening shaft 401 through the handle 403, the fastening shaft 401 is in the vertical state, the front crossbeam 1 and the rear crossbeam 2 and along connecting the spindle 5 separately rotate and fold, the front side of the lower end of the rear oblique beam 6 is connected with the rear crossbeam 2, the upper end is set up under the rear seat 11, the rear oblique beam 6 is the hollow structure, there are batteries of electric motor car inside, it can be fetched to lift the rear seat, it is convenient, the upper end of the first damping spring 7 is hinged on the rear side of the rear oblique beam 6 near the lower end, the lower end is hinged on the cross slab in the middle of the rear fork 16, the second damping spring 8 is located behind the first spring, set up as two, the upper end is hinged on the rear side of the rear oblique beam 6, the lower end is hinged on the adjacent rear fork 16 respectively, the lower end of the rear oblique beam 6 is the centre shaft 13, both sides of the centre shaft 13 are the, the supporting rod 15 is rotatably connected with the supporting wheel 14, the front wheel 17 and the circle center of the rear wheel are arranged on the same straight line, the diameter of the supporting wheel 14 is smaller than that of the front wheel 17, and after the electric bicycle is folded, the supporting wheel 14 supports the electric bicycle.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Folding buckle structure, its characterized in that: including front beam (1), rear frame member (2), folding connector (3) and buckle (4), the adjacent end of front beam (1) and rear frame member (2) all installs on folding connector (3) through connecting pivot (5), and rotates with folding connector (3) and be connected, folding connector (3) set up in the square groove after front beam (1) is pieced together with rear frame member (2), and outside end face and front beam (1), rear frame member (2) lie in with one side plane, front beam (1) and rear frame member (2) expand the back and are connected fixedly through buckle (4), buckle (4) set up the opposite side at folding connector (3).

2. The folding buckle structure of claim 1, wherein: the folding connecting piece (3) is of a box structure, the upper portion of the connecting rotating shaft (5) is a short shaft (501), the lower portion of the connecting rotating shaft is an insert (502), the insert (502) is clamped at the four corners of the folding connecting piece (3), the short shaft (501) penetrates through the side wall of the folding connecting piece (3) and extends into the front cross beam (1) or the rear cross beam (2), an end cover (301) is arranged on the rear end cover (301) of the folding connecting piece (3), and the insert (502) is connected with the end cover (301) through screws.

3. The folding buckle structure of claim 2, wherein: four corners of the folding connecting piece (3) are provided with chamfers, and the insert (502) and the chamfer position structure of the folding connecting piece (3) are correspondingly arranged.

4. The folding buckle structure of claim 1, wherein: the front cross beam (1) and the rear cross beam (2) rotate around the respective connecting rotating shafts (5) for 90 degrees to be folded, and the front cross beam and the rear cross beam rotate towards the side of the folding connecting piece (3).

5. The folding buckle structure of claim 1, wherein: buckle (4) are including calorie axle (401), pivot (402) and U type card (403), card axle (401) is inserted perpendicularly on pivot (402), pivot (402) set up in back crossbeam (2) side perpendicularly, and rotate with back crossbeam (2) and be connected, front beam (1) side is close to back crossbeam (2) department and is provided with U type card (403), card is in U type card (403) during calorie axle (401) horizontal state, the one end that pivot (402) were kept away from in calorie axle (401) is provided with handle (404).

6. An electric bicycle using the folding buckle structure according to any one of claims 1 to 5, characterized in that: including back sloping (6) and first damping spring (7), the front side of back sloping (6) lower extreme is connected with rear frame member (2), and the upper end sets up in rear seat (11) below, back sloping (6) are hollow structure, and inside is provided with the electric motor car battery, first damping spring (7) upper end articulates in rear sloping (6) and is close to the rear side of lower extreme, and the lower extreme articulates on the diaphragm in the middle of back fork (16).

7. The electric bicycle according to claim 6, wherein: and a second damping spring (8) is further arranged behind the first damping spring (7), the number of the second damping springs (8) is two, the upper ends of the second damping springs are hinged to the rear side of the rear oblique beam (6), and the lower ends of the second damping springs are hinged to the adjacent rear forks (16) respectively.

8. The electric bicycle according to claim 7, wherein: first damping spring (7), back sloping (6) and back fork (16) are the triangle-shaped structure after connecting, second damping spring (8), back sloping (6) and back fork (16) are the triangle-shaped structure after connecting.

9. The electric bicycle according to claim 6, wherein: the lower end of the rear oblique beam (6) is a middle shaft (13), pedals (12) are arranged on two sides of the middle shaft (13), a supporting rod (15) is arranged at the lower end of the middle shaft (13), a supporting wheel (14) is installed at the lower end of the supporting rod (15), the supporting rod (15) is rotatably connected with the supporting wheel (14), the centers of circles of the supporting wheel (14), the front wheel (17) and the rear wheel are arranged on the same straight line, and the diameter of the supporting wheel (14) is smaller than that of the front wheel (17).

10. The electric bicycle according to claim 6, wherein: well pipe (21) lower extreme is connected to the upside at back sloping (6) middle part, well pipe (21) upper end is seat (9), be provided with third damping spring (10) between well pipe (21) and seat (9), front tube (19) are connected to front beam (1) upper end, and front fork (18) are connected to the lower extreme, handlebar (20) are installed to front tube (19) upper end, and front fork (18) lower extreme is installed in front wheel (17) both sides, rear fork (16) rear end both sides are installed in rear wheel (22) both sides.