CN216508816U - Low-span electric bicycle frame - Google Patents

Abstract

The utility model discloses a low-span electric bicycle frame which comprises a battery compartment, wherein a head pipe is arranged above the left end of the battery compartment, a motor mounting seat is arranged below the right end of the battery compartment, a third movable connecting seat is arranged on one side, close to the battery compartment, of the top of the motor mounting seat, a vertical pipe is arranged on one side, far away from the battery compartment, of the top of the motor mounting seat, a reinforcing beam is fixedly connected between the vertical pipe and the battery compartment, triangular connecting seats are symmetrically and movably connected to the front side and the rear side of the upper end of the third movable connecting seat, and movable blocks are symmetrically and movably connected to the front side and the rear side of the third movable connecting seat. This low-span formula electric bicycle frame, battery compartment cooperation through the tilting that sets up is gone up the fork and is made whole frame height lower with the back lower fork at a distance from nearer back, and the design is striden to the low height, and suitable crowd is wider, and cooperation bumper shock absorber, squeeze stem, spacing damping piece, buffer spring make whole frame have good buffering damping performance, and the comfort level is high, and application environment is wide.

Description

Low-span electric bicycle frame

Technical Field

The utility model relates to the field of low-span electric bicycle frames, in particular to a low-span electric bicycle frame.

Background

Along with the further development of society, the problem of urban automobile congestion and environmental pollution is gradually outstanding, electric motor cars or bicycle vehicles become people's favoured vehicle, electric motor cars, bicycle frame are widely pursued by people owing to advantages such as its small easily portable, electric bicycle is one of the cleanest environmental protection vehicle, it is light nimble, convenient to use, popular by everybody, electric bicycle frame usually comprises well pipe, top tube, low tube, head pipe, back fork and motor cabinet at present.

In chinese utility model patent application no: CN201721215805.3 discloses a frame for an electric vehicle or a bicycle, in which a foldable beam is provided on the frame, a first connection part is provided on the beam, and the frame is divided into a front frame body and a rear frame body by the first connection part; the front frame body can be folded around a first connecting part in the direction of a rear wheel, and a first folding lock is arranged on the first connecting part; the front end of the cross beam is connected with a second connecting part, the second connecting part is upwards connected with a steering wheel rod, the top end of the steering wheel rod is provided with a steering wheel, the steering wheel rod can be folded towards the direction of the rear wheel of the bicycle along the second connecting part, and a second folding lock is arranged on the second connecting part; a retractable seat is arranged at the rear end of the cross beam; the utility model discloses a provide an electric motor car, bicycle frame, through the folding design to frame crossbeam, steering wheel pole, footboard and steering wheel handle, the maximize reduce the area after the bicycle is folded, make it lightly easily carry and easy to produce. The device's frame is higher, and is not light enough, and the shock attenuation effect is relatively poor simultaneously.

Therefore, it is necessary to provide a low-straddle electric bicycle frame to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a low-span electric bicycle frame which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a low-span electric bicycle frame comprises a battery compartment, a head pipe is arranged above the left end of the battery compartment, a motor mounting seat is arranged below the right end of the battery compartment, a third movable connecting seat is arranged on one side, close to the battery compartment, of the top of the motor mounting seat, a vertical pipe is arranged on one side, far away from the battery compartment, of the top of the motor mounting seat, a reinforcing beam is fixedly connected between the vertical pipe and the battery compartment, triangular connecting seats are symmetrically and movably connected on the front side and the rear side of the upper end of the third movable connecting seat, movable blocks are symmetrically and movably connected on the front side and the rear side of the upper end of the third movable connecting seat, a second movable connecting seat is movably connected on the right ends of the two movable blocks, a connecting column is fixedly connected on the top of the second movable connecting seat, a first movable connecting seat is fixedly connected on the top of the connecting column, and a rear lower fork is arranged on the right end of the second movable connecting seat, the right end of the first movable connecting seat is provided with a rear upper fork, the rear ends of the rear upper fork and the rear lower fork are provided with brake mounting seats, the right end of the bottom of the reinforcing beam is provided with a shock absorber, a limiting damping block is inserted into an inner cavity of the shock absorber, a buffer spring is arranged on the right side of the limiting damping block, an extrusion rod is arranged at the left end of the limiting damping block, a first screw cylinder is sleeved outside the left end of the extrusion rod, a first anti-skid block is uniformly arranged outside the first screw cylinder, a second easy-to-dismount column is arranged on the left side of the extrusion rod in a fit manner, a second movable support is arranged at the left end of the second easy-to-dismount column, a first limiting clamping groove is formed in the middle wall body of the right side of the second easy-to-dismount column, a first limiting clamping block is arranged on the middle wall body of the left side of the extrusion rod, a second screw cylinder is sleeved outside the right end of the shock absorber, and a second anti-skid block is uniformly arranged outside the second screw cylinder, the right side laminating of bumper shock absorber has the first post of just tearing open, the right side of the first post of just tearing open is provided with first movable support, the spacing draw-in groove of second has been seted up to the left side middle part wall body of the first post of just tearing open, the spacing fixture block of right side middle part wall body fixedly connected with second of bumper shock absorber.

Preferably, the right ends of the two triangular connecting seats are movably connected with the first movable connecting seat, the left ends of the two triangular connecting seats are movably connected with the first movable support, and the second movable support is movably connected with the left end of the bottom of the reinforcing beam.

Preferably, the right end of the buffer spring is fixedly connected with the right side wall body of the inner cavity of the shock absorber.

Preferably, the first limiting clamping block is clamped in an inner cavity of the first limiting clamping groove, the first limiting clamping block is matched with the first limiting clamping groove, the second limiting clamping block is clamped in an inner cavity of the second limiting clamping groove, and the second limiting clamping block is matched with the second limiting clamping groove.

Preferably, the first screw barrel is in external threaded connection with one end, close to the extrusion rod and the second detachable column, of the extrusion rod.

Preferably, the second screw cylinder is in external threaded connection with the shock absorber and the outer part of the end, close to the first detachable column, of the first detachable column.

Advantageous effects

Compared with the prior art, the utility model provides a low-span electric bicycle frame, which has the following beneficial effects:

1. this low-span formula electric bicycle frame, the battery compartment cooperation of tilting through the setting is gone up fork and back lower fork at a distance from nearer back and is made whole frame height lower, low-span design, suitable crowd is wider, movable block through the setting, second swing joint seat, first swing joint seat, the triangle connecting seat, third swing joint seat, first movable support, the mutually supporting of second swing joint seat makes the back lower fork, the whole and the battery compartment of back upper fork constitution, the stiffening beam, the riser, the whole swing joint that the motor mount pad is constituteed, the cooperation bumper shock absorber, the extrusion stem, spacing damping piece, buffer spring makes whole frame have good buffering damping performance, the comfort level is high, application environment is wide.

2. This low-span electric bicycle frame, just tear post open through the first spiral shell section of thick bamboo that sets up, first non slipping spur, the second, first spacing draw-in groove, first spacing fixture block, first just tear post open, the second spiral shell section of thick bamboo, the second non slipping spur, the spacing fixture block of second, the mutually supporting of the spacing draw-in groove of second can conveniently carry out quick installation to shock-absorbing structure that bumper shock absorber and stripper rod are constituteed and dismantle to convenient the shock-absorbing structure who uses for a long time and the loss is heavier maintains or changes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the shock-absorbing structure of the present invention;

FIG. 3 is a schematic exploded view of the shock absorber and squeeze rod of the present invention;

fig. 4 is a schematic structural view illustrating the disassembly of the first and second easy-to-disassemble columns according to the present invention.

In the figure: 1. a battery compartment; 2. a head pipe; 3. a reinforcing beam; 4. a riser; 5. a triangular connecting seat; 6. a rear upper fork; 7. a brake mounting seat; 8. a rear lower fork; 9. a first movable connecting seat; 10. connecting columns; 11. a second movable connecting seat; 12. a movable block; 13. a third movable connecting seat; 14. a motor mounting seat; 15. a shock absorber; 16. an extrusion stem; 17. a first easy-to-detach column; 18. a first movable support; 19. a second easy-to-detach column; 20. a second movable support; 21. a first barrel; 22. a first anti-skid block; 23. a second barrel; 24. a second anti-skid block; 25. a limiting damping block; 26. a buffer spring; 27. a first limiting clamping groove; 28. a first limiting clamping block; 29. a second limiting clamping groove; 30. and a second limiting clamping block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in figures 1-4, a low-span electric bicycle frame comprises a battery compartment 1, a head pipe 2 is arranged above the left end of the battery compartment 1, a motor mounting seat 14 is arranged below the right end of the battery compartment 1, a third movable connecting seat 13 is arranged on one side of the top of the motor mounting seat 14 close to the battery compartment 1, a vertical pipe 4 is arranged on one side of the top of the motor mounting seat 14 far away from the battery compartment 1, a reinforcing beam 3 is fixedly connected between the vertical pipe 4 and the battery compartment 1, triangular connecting seats 5 are symmetrically and movably connected on the front side and the rear side of the upper end of the third movable connecting seat 13, the right ends of the two triangular connecting seats 5 are movably connected with a first movable connecting seat 9, the left ends of the two triangular connecting seats 5 are movably connected with a first movable support 18, movable blocks 12 are symmetrically and movably connected on the front side and the rear side of the third movable connecting seat 13, and the right ends of the two movable blocks 12 are movably connected with a second movable connecting seat 11, the top of the second movable connecting seat 11 is fixedly connected with a connecting column 10, the top of the connecting column 10 is fixedly connected with a first movable connecting seat 9, the right end of the second movable connecting seat 11 is provided with a rear lower fork 8, the right end of the first movable connecting seat 9 is provided with a rear upper fork 6, the rear ends of the rear upper fork 6 and the rear lower fork 8 are provided with brake mounting seats 7, the height of the whole frame is lower due to the fact that the rear upper fork 6 and the rear lower fork 8 which are relatively close to each other are matched through a set inclined battery compartment 1, the low-span design is achieved, the applicable crowd is wider, the bottom right end of the reinforcing beam 3 is provided with a shock absorber 15, a limiting damping block 25 is inserted into the inner cavity of the shock absorber 15, a buffer spring 26 is arranged on the right side of the limiting damping block 25, the right end of the buffer spring 26 is fixedly connected with the right side wall body of the inner cavity of the shock absorber 15, an extrusion rod 16 is arranged at the left end of the limiting damping block 25, and the movable block 12, The second movable connecting seat 11, the first movable connecting seat 9, the triangular connecting seat 5, the third movable connecting seat 13, the first movable support 18 and the second movable support 20 are matched with each other to ensure that the whole body formed by the rear lower fork 8 and the rear upper fork 6 is movably connected with the whole body formed by the battery bin 1, the stiffening beam 3, the stand pipe 4 and the motor mounting seat 14, and the whole frame has good buffering and damping performance by matching with the shock absorber 15, the extrusion rod 16, the limiting damping block 25 and the buffer spring 26, so that the comfort level is high, the applicable environment is wide, the outer part of the left end of the extrusion rod 16 is sleeved with a first screw barrel 21, the first screw barrel 21 is in threaded connection with the outer part of the end, close to the extrusion rod 16 and the second conveniently-detachable column 19, the outer part of the first screw barrel 21 is uniformly provided with first anti-skid blocks 22, the left side of the extrusion rod 16 is provided with the second conveniently-detachable column 19 in a fit manner, the left end of the second conveniently-detachable column 19 is provided with the second movable support 20, the second movable support 20 is movably connected with the left end of the bottom of the reinforcing beam 3, the right middle wall body of the second easy-to-detach column 19 is provided with a first limiting clamping groove 27, the left middle wall body of the extrusion rod 16 is provided with a first limiting clamping block 28, the first limiting clamping block 28 is clamped in the inner cavity of the first limiting clamping groove 27, the first limiting clamping block 28 is matched with the first limiting clamping groove 27, the right end of the shock absorber 15 is externally sleeved with a second screw cylinder 23, the second screw cylinder 23 is in external threaded connection with the shock absorber 15 and one end of the first easy-to-detach column 17 close to the shock absorber 15, the outer part of the second screw cylinder 23 is uniformly provided with a second anti-skid block 24, the right side of the shock absorber 15 is attached with the first easy-to-detach column 17, the right side of the first easy-to-detach column 17 is provided with a first movable support 18, the left middle wall body of the first easy-to-detach column 17 is provided with a second limiting clamping groove 29, the right middle wall body of the shock absorber 15 is fixedly connected with a second limiting clamping block 30, the inner chamber of the second limiting clamping groove 29 is clamped by the second limiting clamping block 30, the second limiting clamping block 30 is matched with the second limiting clamping groove 29, the first screw cylinder 21 is arranged, the first anti-skid block 22 is arranged, the second post 19 is convenient to detach, the first limiting clamping groove 27 is arranged, the first limiting clamping block 28 is arranged, the first post 17 is convenient to detach, the second screw cylinder 23 is arranged, the second anti-skid block 24 is arranged, the second limiting clamping block 30 is arranged, the second limiting clamping groove 29 is matched with each other, so that the shock absorption structure formed by the shock absorber 15 and the extrusion rod 16 can be rapidly installed and detached, and the shock absorption structure which is used for a long time and has heavier loss can be conveniently maintained or replaced.

It should be noted that the utility model is a low-span electric bicycle frame, when in use, the inclined battery compartment 1 is matched with the rear upper fork 6 and the rear lower fork 8 which are relatively close to each other, so that the whole frame is low in height, low-span design and wider in applicable crowd, the whole body formed by the rear lower fork 8 and the rear upper fork 6 is movably connected with the whole body formed by the battery compartment 1, the stiffening beam 3, the stand pipe 4 and the motor mounting seat 14 by matching the movable block 12, the second movable connecting seat 11, the first movable connecting seat 9, the triangular connecting seat 5, the third movable connecting seat 13, the first movable support 18 and the second movable support 20, and the whole frame has good buffering and damping performance by matching the shock absorber 15, the extrusion rod 16, the limiting and damping block 25 and the buffer spring 26, the comfort level is high, the applicable environment is wide, and concretely, the rear wheel jolts drives the rear upper fork 6, the rear lower fork 8, the rear upper fork, The whole body formed by the connecting columns 10 drives the upper end of the triangular connecting seat 5 to extrude or stretch the shock absorber 15 forwards, so that the buffer spring 26 generates reverse acting force by matching with the extrusion rod 16, the front wheel drives the battery bin 1 to extrude or stretch the extrusion rod 16 backwards when bumping, the extrusion rod 16 drives the limit damping block 25 to extrude or stretch the buffer spring 26, the buffer spring 26 also generates reverse acting force to buffer and damp, the first screw cylinder 21, the first anti-skid block 22, the second easy-to-detach column 19, the first limit clamping groove 27, the first limit clamping block 28, the first easy-to-detach column 17, the second screw cylinder 23, the second anti-skid block 24, the second limit clamping block 30 and the second limit clamping groove 29 are matched with each other to facilitate quick installation and disassembly of the shock absorbing structure formed by the shock absorber 15 and the extrusion rod 16, and particularly, when the shock absorbing structure is seriously damaged or the shock absorbing effect is poor, at first, the first screw cylinder 21 and the second screw cylinder 23 are rotated anticlockwise, so that the left end of the first screw cylinder 21 is separated from the outside of the right end of the second easy-to-detach column 19, the right end of the second screw cylinder 23 is separated from the outside of the left end of the first easy-to-detach column 17, and finally, a force in the front-back direction is applied to the shock absorber 15 and the extrusion rod 16, so that the first limiting clamping block 28 is separated from the inner cavity of the first limiting clamping groove 27, the second limiting clamping block 30 is separated from the inner cavity of the second limiting clamping groove 29, and then, the disassembly is completed, so that the shock absorption structure which is used for a long time and has heavy loss is convenient to maintain or replace.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a low electronic bicycle frame of striding formula, includes battery compartment (1), its characterized in that: a head pipe (2) is arranged above the left end of the battery bin (1), a motor mounting seat (14) is arranged below the right end of the battery bin (1), a third movable connecting seat (13) is arranged on one side, close to the battery bin (1), of the top of the motor mounting seat (14), a vertical pipe (4) is arranged on one side, far away from the battery bin (1), of the top of the motor mounting seat (14), a reinforcing beam (3) is fixedly connected between the vertical pipe (4) and the battery bin (1), triangular connecting seats (5) are symmetrically and movably connected with the front side and the rear side of the upper end of the third movable connecting seat (13), movable blocks (12) are symmetrically and movably connected with the front side and the rear side of the third movable connecting seat (13), a second movable connecting seat (11) is movably connected with the right ends of the two movable blocks (12), and a connecting column (10) is fixedly connected with the top of the second movable connecting seat (11), the top of the connecting column (10) is fixedly connected with a first movable connecting seat (9), the right end of a second movable connecting seat (11) is provided with a rear lower fork (8), the right end of the first movable connecting seat (9) is provided with a rear upper fork (6), the rear ends of the rear upper fork (6) and the rear lower fork (8) are provided with brake mounting seats (7), the right end of the bottom of the reinforcing beam (3) is provided with a shock absorber (15), an inner cavity of the shock absorber (15) is inserted with a limiting damping block (25), the right side of the limiting damping block (25) is provided with a buffer spring (26), the left end of the limiting damping block (25) is provided with an extrusion rod (16), the outer part of the left end of the extrusion rod (16) is sleeved with a first screw cylinder (21), the outer part of the first screw cylinder (21) is uniformly provided with a first anti-skid block (22), the left side of the extrusion rod (16) is provided with a second portable column (19) in a fitting manner, the left end that post (19) was just torn open to the second is provided with second movable support (20), first spacing draw-in groove (27) have been seted up to the right side middle part wall body that post (19) was just torn open to the second, the left side middle part wall body of extrusion stem (16) is provided with first spacing fixture block (28), the outside cover of right-hand member of bumper shock absorber (15) is equipped with second barrel (23), the outside of second barrel (23) evenly is provided with second non slipping spur (24), the right side laminating of bumper shock absorber (15) has first just to tear post (17) open, the right side of first just tearing post (17) open is provided with first movable support (18), first just to tear the left side middle part wall body of post (17) open second spacing draw-in groove (29), the right side wall body middle part fixedly connected with second spacing fixture block (30) of bumper shock absorber (15).

2. A low-straddle electric bicycle frame according to claim 1, wherein: the right ends of the two triangular connecting seats (5) are movably connected with the first movable connecting seat (9), the left ends of the two triangular connecting seats (5) are movably connected with the first movable support (18), and the second movable support (20) is movably connected with the left end of the bottom of the reinforcing beam (3).

3. A low-straddle electric bicycle frame according to claim 1, wherein: the right end of the buffer spring (26) is fixedly connected with the right side wall body of the inner cavity of the shock absorber (15).

4. A low-straddle electric bicycle frame according to claim 1, wherein: the first limiting clamping block (28) is clamped in an inner cavity of the first limiting clamping groove (27), the first limiting clamping block (28) is matched with the first limiting clamping groove (27), the second limiting clamping block (30) is clamped in an inner cavity of the second limiting clamping groove (29), and the second limiting clamping block (30) is matched with the second limiting clamping groove (29).

5. A low-straddle electric bicycle frame according to claim 1, wherein: the first screw barrel (21) is in external threaded connection with one end, close to the extrusion rod (16) and the second detachable column (19).

6. A low-straddle electric bicycle frame according to claim 1, wherein: the second screw cylinder (23) is in threaded connection with the shock absorber (15) and the outer part of one end, close to the first detachable column (17), of the second screw cylinder.

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