CN215553709U

CN215553709U - Anti-theft seat tube structure for electric bicycle

Info

Publication number: CN215553709U
Application number: CN202122121351.6U
Authority: CN
Inventors: 张卓
Original assignee: Ningbo Roadsan New Energy Technology Co ltd
Current assignee: Ningbo Roadsan New Energy Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-18
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the field of theft prevention of electric bicycles and discloses a theft prevention seat tube structure for an electric bicycle, which comprises a frame, wherein the upper end of the frame is fixedly connected with an installation tube, the installation tube is connected with a seat tube in a sliding manner, a limiting groove is formed in the seat tube, a theft prevention lock is fixedly installed on the frame, a lock cylinder is installed in the theft prevention lock, a separation blade is fixedly connected to the lock cylinder, and the separation blade and the limiting groove are arranged in a matched manner. The anti-theft lock is characterized in that a first lock hole and a second lock hole are respectively formed in the front side and the rear side of the lock cylinder, a groove is formed in the inner wall of the anti-theft lock, a hole groove is formed in the lock cylinder, a first connecting block is fixedly connected into the groove through a spring, and a second connecting block is arranged at the lower end of the first connecting block. The anti-theft device effectively improves the anti-theft capacity of the battery of the electric bicycle, greatly improves the safety performance, can be lifted, and is suitable for different people to ride.

Description

Anti-theft seat tube structure for electric bicycle

Technical Field

The utility model relates to the field of electric bicycle theft prevention, in particular to an anti-theft seat tube structure for an electric bicycle.

Background

An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle. The electric bicycle brings great convenience for people to live and travel.

The existing electric bicycle has many problems, one of the common problems is that the anti-theft capability of the battery is not excellent enough, a lawless person can often steal the battery of the electric bicycle, and not little economic loss is brought to a consumer.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an anti-theft seat tube structure for an electric bicycle, which can effectively solve the problems that the existing electric bicycle in the background art is poor in anti-theft effect and a battery is easy to steal.

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

the utility model provides an electric bicycle is with theftproof seat tubular construction, includes the frame, the upper end fixedly connected with installation pipe of frame, sliding connection has a seat pipe in the installation pipe, the spacing groove has been seted up on the seat pipe, fixed mounting has the pickproof lock on the frame, install the lock core in the pickproof lock, fixedly connected with separation blade on the lock core, separation blade and spacing groove cooperation set up.

Preferably, first lockhole and second lockhole have been seted up respectively to both sides around the lock core, communicate each other between first lockhole and the second lockhole, set up flutedly on the pickproof lock, set up the hole groove on the lock core, communicate each other between recess and the hole groove, the lower extreme and the first lockhole and the second lockhole of hole groove communicate each other, through the first connecting block of spring fixedly connected with in the recess, the lower extreme of first connecting block is provided with the second connecting block, the outer wall of first connecting block and second connecting block is connected with the inner wall sliding fit in recess and hole groove.

Preferably, a first bolt is inserted into the first lock hole, a second bolt is inserted into the second lock hole, a jack is formed in the end of the first bolt, a first inclined plane is formed in the bottom surface of the jack, and a through groove is formed in the first bolt at the upper end of the jack.

Preferably, the end of the second bolt is set as a second inclined plane, and the second bolt is matched with the jack of the first bolt.

Preferably, the first bolt and the second bolt are fixedly connected with a rotating piece at one end, and magnets with different magnetism are fixedly connected between the rotating piece and the lock cylinder.

Preferably, be provided with lift locking device on the installation pipe, lift locking device includes the fixed block, fixed block fixed connection is on the installation pipe, fixedly connected with connecting rod on the fixed block, sliding connection has the slider on the connecting rod, the butt has the regulation handle on the slider, the butt has the latch segment between slider and the fixed block, the latch segment is connected with the lateral wall contact of seat pipe.

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

1. when the anti-theft lock is used, the storage battery can be placed into the installation pipe, then the seat pipe is placed into the installation pipe, the seat pipe is provided with the limiting groove, the anti-theft lock is provided with the blocking piece matched with the anti-theft lock, the blocking piece is arranged in the limiting groove of the seat pipe in a sliding mode, and the battery of the electric bicycle can be effectively prevented from being stolen through the limiting of the blocking piece.

2. If the lock needs to be unlocked, the first bolt is inserted into the first lock hole, the through groove can allow the first connecting block and the second connecting block to pass through, the first inclined surface on the bottom surface of the jack pushes the second connecting block upwards for a certain distance, then the second bolt is inserted into the second lock hole and is inserted into the jack, the second inclined surface on the second bolt pushes the second connecting block upwards for a certain distance, at the moment, the connecting position of the first connecting block and the second connecting block is positioned between the lock core and the inner wall of the anti-theft lock, at the moment, the lock core can be rotated by randomly rotating the first bolt or the second bolt, the lock core rotates to enable the blocking piece to be separated from the limiting groove, the seat tube can be pulled out from the installation tube, and compared with the traditional anti-theft lock which is only provided with one group of keys, the anti-theft capacity is greatly improved by arranging the first bolt and the second bolt which are matched with each other.

3. The lifting locking device is arranged on the outer installation tube, the sliding block can slide on the connecting rod by rotating the handle, and when the sliding block is close to the fixed block, the locking block is pushed tightly, so that the outer wall of the seat tube is pushed tightly by the locking block, otherwise, the locking block and the seat tube are loosened, and after the locking block and the seat tube are loosened, the seat tube can slide in the installation tube, so that the height of a cushion at the upper end of the seat tube is adjusted, and the seat tube is convenient for people with different heights to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the anti-theft lock of the present invention.

Fig. 3 is a cross-sectional view of the anti-theft lock of the present invention.

FIG. 4 is a cross-sectional view of the anti-theft lock after the first bolt is inserted in the present invention.

FIG. 5 is a cross-sectional view of the anti-theft lock after the first bolt and the second bolt are inserted.

FIG. 6 is a schematic view of a first plug of the present invention.

FIG. 7 is a cross-sectional view of the lift latch and seat tube of the present invention.

FIG. 8 is a schematic view of the seat tube of the present invention.

In the figure: 1. a frame; 2. installing a pipe; 3. an anti-theft lock; 4. a lifting locking device; 5. a seat tube; 6. a limiting groove; 7. a baffle plate; 8. a lock cylinder; 9. a first lock hole; 10. a second lock hole; 11. a first connection block; 12. a spring; 13. a second connecting block; 14. a first latch; 15. a through groove; 16. a jack; 17. a first inclined plane; 18. a second inclined plane; 19. a second bolt; 20. a handle; 21. a connecting rod; 22. a fixed block; 23. a slider; 24. a locking block; 25. a rotating sheet; 26. and a magnet.

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 fig. 1-8, an anti-theft seat tube structure for an electric bicycle comprises a frame 1, an upper end fixedly connected with installation tube 2 of frame 1, seat tube 5 slidably connected in installation tube 2, limiting groove 6 provided on seat tube 5, anti-theft lock 3 fixedly mounted on frame 1, lock core 8 installed in anti-theft lock 3, separation blade 7 fixedly connected on lock core 8, separation blade 7 and limiting groove 6 cooperatively arranged, and sliding into limiting groove 6 through separation blade 7, thereby playing the role of anti-theft.

First lockhole 9 and second lockhole 10 have been seted up respectively to both sides around the lock core 8, communicate each other between first lockhole 9 and the second lockhole 10, seted up flutedly on the pickproof lock 3, the hole groove has been seted up on the lock core 8, communicate each other between recess and the hole groove, the lower extreme and first lockhole 9 and the second lockhole 10 of hole groove communicate each other, through the first connecting block 11 of spring 12 fixedly connected with in the recess, the lower extreme of first connecting block 11 is provided with second connecting block 13, the outer wall of first connecting block 11 and second connecting block 13 is connected with the inner wall sliding fit in recess and hole groove, first connecting block 11 and second connecting block 13 can slide in recess and hole groove.

A first bolt 14 is inserted into the first lock hole 9, a second bolt 19 is inserted into the second lock hole 10, a jack 16 is formed in the end of the first bolt 14, the bottom surface of the jack 16 is set to be a first inclined surface 17, a through groove 15 is formed in the first bolt 14 at the upper end of the jack 16, a second inclined surface 18 is formed at the end of the second bolt 19, the second bolt 19 and the jack 16 of the first bolt 14 are arranged in a matched mode, when the lock is unlocked, the first bolt 14 is firstly inserted into the first lock hole 9, the first connecting block 11 and the second connecting block 13 can pass through the through groove 15, the first inclined surface 17 at the bottom surface of the jack 16 pushes the second connecting block 13 upwards for a certain distance, then the second bolt 19 is inserted into the second lock hole 10, the second bolt 19 is inserted into the jack 16, the second inclined surface 18 on the second bolt 19 pushes the second connecting block 13 upwards for a certain distance, and at the moment, the connecting position of the first connecting block 11 and the second connecting block 13 is located between the outer wall of the lock hole 8 and the inner wall of the anti-theft lock 3 At this time, the lock core 8 can be rotated by randomly rotating the first bolt 14 or the second bolt 19, the lock core 8 is rotated, the baffle 7 is separated from the limiting groove 6, and the seat tube 5 can be drawn out from the installation tube 2.

Equal fixedly connected with rotor plate 25 is served to one of first bolt 14 and second bolt 19, equal fixedly connected with magnet 26 that magnetism is different each other between rotor plate 25 and the lock core 8, rotor plate 25 conveniently rotates first bolt 14 and second bolt 19, be provided with magnet 26 that magnetism is different each other, when inserting first bolt 14 and second bolt 19, inter attraction between magnet 26 plays certain limiting displacement, prevent because spring 12's effect, make first bolt 14 or second bolt 19 deviate from in first lockhole 9 and the second lockhole 10.

In addition, in order to further enhance the anti-theft performance of the device, different grains can be arranged on the outer surfaces of the first bolt 14 and the second bolt 19, and grain grooves corresponding to the grains are formed in the first lock hole 9 and the second lock hole 10.

Be provided with lift locking device 4 on installation pipe 2, lift locking device 4 includes fixed block 22, fixed block 22 fixed connection is on installation pipe 2, fixedly connected with connecting rod 21 on the fixed block 22, sliding connection has slider 23 on the connecting rod 21, the butt has adjustment handle 20 on the slider 23, the butt has latch segment 24 between slider 23 and the fixed block 22, latch segment 24 is connected with the lateral wall contact of seat pipe 5, it can make slider 23 slide on connecting rod 21 to rotate handle 20, when slider 23 is close to with fixed block 22, make latch segment 24 by the top tight, thereby make latch segment 24 with the outer wall top tight of seat pipe 5, otherwise, it relaxes to go between latch segment 24 and seat pipe 5.

The working principle of the utility model is as follows: when the anti-theft lock is used, a storage battery can be placed into the installation pipe 2, then the seat pipe 5 is placed into the installation pipe 2, the seat pipe 5 is provided with the limiting groove 6, the anti-theft lock 3 is provided with the baffle 7 matched with the anti-theft lock, the baffle 7 is arranged in the limiting groove 6 of the seat pipe 5 in a sliding mode, the battery of the electric bicycle can be effectively prevented from being stolen through the limiting of the baffle 7, if the anti-theft lock is required, the first bolt 14 is firstly inserted into the first lock hole 9, the first connecting block 11 and the second connecting block 13 can pass through the through groove 15, the first inclined surface 17 at the bottom surface of the jack 16 pushes the second connecting block 13 upwards for a certain distance, then the second bolt 19 is inserted into the second lock hole 10, the second bolt 19 is inserted into the jack 16, the second inclined surface 18 on the second bolt 19 pushes the second connecting block 13 upwards for a certain distance, and at the moment, the connecting position of the first connecting block 11 and the second connecting block 13 is positioned between the lock core 8 and the inner wall of the anti-theft lock 3, at the moment, the lock core 8 can be rotated by arbitrarily rotating the first bolt 14 or the second bolt 19, the lock core 8 is rotated, the baffle 7 is separated from the limiting groove 6, the seat tube 5 can be drawn out from the installation tube 2, and the first bolt 14 and the second bolt 19 which are matched with each other are arranged, so that the anti-theft capability is greatly improved compared with the traditional anti-theft lock which is only provided with a group of keys, in addition, a lifting locking device 4 is arranged on the mounting tube 2, the sliding block 23 can slide on the connecting rod 21 by rotating the handle 20, when the sliding block 23 is close to the fixed block 22, the locking block 24 is pushed tightly, so that the locking block 24 can tightly push the outer wall of the seat tube 5, on the contrary, the locking block 24 and the seat tube 5 become loose, after the loose, the seat tube 5 can slide in the installation tube 2, thereby adjusting the height of the cushion at the upper end of the seat tube 5 and being convenient for people with different heights to use.

The foregoing shows and describes the general principles and broad features of the present invention and 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

1. The utility model provides an electric bicycle is with theftproof seat pipe structure which characterized in that: including frame (1), the upper end fixedly connected with installation pipe (2) of frame (1), sliding connection has seat pipe (5) in installation pipe (2), spacing groove (6) have been seted up on seat pipe (5), fixed mounting has pickproof lock (3) on frame (1), install lock core (8) in pickproof lock (3), fixedly connected with separation blade (7) on lock core (8), separation blade (7) set up with spacing groove (6) cooperation.

2. The anti-theft seat tube structure for electric bicycles of claim 1, wherein: first lockhole (9) and second lockhole (10) have been seted up respectively to both sides around lock core (8), communicate each other between first lockhole (9) and the second lockhole (10), set up flutedly on pickproof lock (3), the hole groove has been seted up on lock core (8), communicate each other between recess and the hole groove, the lower extreme and first lockhole (9) and the second lockhole (10) of hole groove communicate each other, through the first connecting block (11) of spring (12) fixedly connected with in the recess, the lower extreme of first connecting block (11) is provided with second connecting block (13), the outer wall of first connecting block (11) and second connecting block (13) is connected with the inner wall sliding fit of recess and hole groove.

3. The anti-theft seat tube structure for electric bicycles of claim 2, wherein: a first bolt (14) is inserted into the first lock hole (9), a second bolt (19) is inserted into the second lock hole (10), a jack (16) is formed in the end portion of the first bolt (14), a first inclined plane (17) is formed in the bottom surface of the jack (16), and a through groove (15) is formed in the first bolt (14) at the upper end of the jack (16).

4. The anti-theft seat tube structure for electric bicycles of claim 3, wherein: the end part of the second bolt (19) is provided with a second inclined surface (18), and the second bolt (19) is matched with the jack (16) of the first bolt (14).

5. The anti-theft seat tube structure for electric bicycles of claim 3, wherein: one end of the first bolt (14) and one end of the second bolt (19) are fixedly connected with a rotating sheet (25), and magnets (26) with different magnetism are fixedly connected between the rotating sheet (25) and the lock cylinder (8).

6. The anti-theft seat tube structure for electric bicycles of claim 1, wherein: be provided with lift locking device (4) on installation pipe (2), lift locking device (4) are including fixed block (22), fixed block (22) fixed connection is on installation pipe (2), fixedly connected with connecting rod (21) on fixed block (22), sliding connection has slider (23) on connecting rod (21), the butt has regulation handle (20) on slider (23), the butt has latch segment (24) between slider (23) and fixed block (22), latch segment (24) are connected with the lateral wall contact of seat pipe (5).