CN219904635U - Clamping groove front brake for electric bicycle - Google Patents

Abstract

The utility model discloses a clamping groove front brake for an electric bicycle, which comprises a brake shell, wherein a rocker shaft is rotatably arranged on the surface of the brake shell, a brake rocker arm is fixedly arranged on the surface of the rocker shaft, a connecting shaft is arranged in the center of the brake shell, a bottom fork is arranged at one end of the connecting shaft, a limit post is fixedly arranged at one side of the bottom fork, a limit block is fixedly arranged on the surface of the limit post, a cam is fixedly arranged at one end of the rocker shaft, the limit block is attached to the surface of the limit groove through the arrangement of the limit block and the limit groove, so that the bottom fork, the limit post and the clamping groove are connected into a whole, the whole strength of braking is improved, a fixing block is pushed to move under the action of a limit spring, the fixing block enters into a U-shaped groove, the pull-off range of the limit post extending into the U-shaped groove on the bottom fork is limited, the bottom fork is effectively prevented from falling off from the U-shaped groove due to vibration sliding position, and the whole stability of the clamping groove and the whole body after the clamping groove and the bottom fork are arranged is improved.

Description

Clamping groove front brake for electric bicycle

Technical Field

The utility model relates to the technical field of electric bicycle braking, in particular to a clamping groove front brake for an electric bicycle.

Background

The electric bicycle is a vehicle in which a motor, a controller, a battery, a handle bar, and other operating members and a display instrument system are mounted on a common bicycle based on a battery as an auxiliary energy source, and the brake is a device having functions of decelerating, stopping, or maintaining a stopped state of a moving member (or moving machine), and is a mechanical part for stopping or decelerating a moving member in the machine, and the front brake of a clamping groove for the electric bicycle is a brake.

The existing clamping groove front brake for the electric bicycle improves the assembly efficiency, but the clamping groove is a non-closed groove with a U-shaped structure, so that the overall stability after assembly is not high, and the bottom fork is very easy to fall off from the clamping groove due to the sliding position caused by vibration.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a clamping groove front brake for an electric bicycle, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a clamping groove front brake for electric bicycle, includes the brake housing, the surface rotation of brake housing installs the rocking arm axle, the surface fixed mounting of rocking arm axle has the brake rocking arm, the connecting axle is installed at the center of brake housing, the one end of connecting axle is provided with the bottom fork, one side fixed mounting of bottom fork has the spacing post, the surface fixed mounting of spacing post has the stopper, the one end fixed mounting of rocking arm axle has the cam, the surface fixed mounting of brake housing has the locating pin, the surface of locating pin is provided with the brake shoe piece, the surface fixed mounting of brake shoe piece has the return spring, the surface fixed mounting of brake housing has the draw-in groove, the inside of draw-in groove is provided with stop gear.

Preferably, the surface of the brake housing is fixedly connected with a torsion spring, one end of the torsion spring is fixedly connected with the brake rocker arm, and the rocker arm shaft can be driven to rotate through the arrangement of the brake rocker arm.

Preferably, the surface of the brake housing is fixedly provided with a brake cable seat, and the brake cable is convenient to pass through by the arrangement of the brake cable seat.

Preferably, the U-shaped groove is formed in the clamping groove, the U-shaped groove and the limiting column are correspondingly arranged, and the effect of limiting braking is achieved through the matching of the U-shaped groove and the limiting column.

Preferably, the inside of U type groove has been seted up spacing groove, just spacing groove is corresponding setting with the stopper, through the setting of stopper and spacing groove, stopper and spacing groove's surface laminating for bottom fork, spacing post and draw-in groove connect into a whole, have improved the bulk strength of braking.

Preferably, the stop gear includes the spring groove, the spring groove is seted up in the inside of draw-in groove, the inside slidable mounting in spring groove has the movable rod, the fixed surface of movable rod installs the movable block, one side fixed mounting of movable block has stop spring, the opposite side fixed mounting of movable block has the fixed block, through stop gear's setting, can prevent that the bottom fork from falling from U type groove because of vibrations slide.

Compared with the prior art, the utility model has the beneficial effects that: this clamping groove front brake for electric bicycle, through stopper and the setting of spacing groove, the surface laminating of stopper and spacing groove for the bottom fork, spacing post are connected into a whole with the clamping groove, have improved the bulk strength of braking, under limit spring's effect, promote the fixed block and remove, make the fixed block get into U type inslot, limited the range of drawing off of spacing post that stretches to in the U type groove on the bottom fork, effectively prevented that the bottom fork from coming off from U type groove because of vibrations slide, increased holistic stability after clamping groove and the bottom fork installation.

Drawings

FIG. 1 is a schematic illustration of the structure of the present utility model;

FIG. 2 is a schematic diagram of the right side view of the present utility model;

FIG. 3 is a schematic diagram of an exploded view of the present utility model;

FIG. 4 is a schematic structural view of a cross-sectional view of the present utility model;

fig. 5 is a schematic structural view of an enlarged view of the portion a of the present utility model.

In the figure: 1. a brake housing; 2. a rocker shaft; 3. a brake rocker arm; 4. a torsion spring; 5. a brake cable seat; 6. a connecting shaft; 7. a bottom fork; 8. a limit column; 9. a limiting block; 10. a cam; 11. a positioning pin; 12. a brake shoe block; 13. a return spring; 14. a clamping groove; 15. a U-shaped groove; 16. a limit groove; 17. a spring groove; 18. a movable rod; 19. a movable block; 20. a limit spring; 21. and a fixed block.

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.

Examples: referring to fig. 1-5, the utility model provides a technical scheme, a clamping groove front brake for an electric bicycle, comprising a brake shell 1, wherein a rocker shaft 2 is rotatably arranged on the surface of the brake shell 1, a brake rocker arm 3 is fixedly arranged on the surface of the rocker shaft 2, a torsion spring 4 is fixedly connected on the surface of the brake shell 1, one end of the torsion spring 4 is fixedly connected with the brake rocker arm 3, the rocker shaft 2 can be driven to rotate through the arrangement of the brake rocker arm 3, a brake cable seat 5 is fixedly arranged on the surface of the brake shell 1, a brake cable is convenient to pass through the arrangement of the brake cable seat 5, a connecting shaft 6 is arranged at the center of the brake shell 1, a flat fork 7 is arranged at one end of the connecting shaft 6, a limit post 8 is fixedly arranged on one side of the flat fork 7, a limit post 9 is fixedly arranged on the surface of the limit post 8, a cam 10 is fixedly arranged at one end of the rocker shaft 2, the surface of the brake shell 1 is fixedly provided with a locating pin 11, the surface of the locating pin 11 is provided with a brake shoe block 12, the surface of the brake shoe block 12 is fixedly provided with a return spring 13, the surface of the brake shell 1 is fixedly provided with a clamping groove 14, the inside of the clamping groove 14 is provided with a U-shaped groove 15, the U-shaped groove 15 and a limiting column 8 are correspondingly arranged, the U-shaped groove 15 and the limiting column 8 are matched to play a role in limiting and braking, the inside of the U-shaped groove 15 is provided with a limiting groove 16, the limiting groove 16 and the limiting block 9 are correspondingly arranged, the limiting block 9 is attached to the surface of the limiting groove 16 through the arrangement of the limiting block 9 and the surface of the limiting groove 16, so that the flat fork 7, the limiting column 8 and the clamping groove 14 are connected into a whole, the whole strength of braking is improved, the inside of the clamping groove 14 is provided with a limiting mechanism, the limiting mechanism comprises a spring groove 17, the spring groove 17 is arranged inside the clamping groove 14, the inside slidable mounting of spring groove 17 has movable rod 18, movable rod 18's fixed surface installs movable block 19, one side fixed mounting of movable block 19 has spacing spring 20, the opposite side fixed mounting of movable block 19 has fixed block 21, through stop gear's setting, can prevent that fork 7 from falling from U type groove 15 because of vibrations slide, through stopper 9 and spacing groove 16's setting, stopper 9 and spacing groove 16's surface laminating, make fork 7, spacing post 8 and draw-in groove 14 connect into a whole, the bulk strength of braking has been improved, under limit spring 20's effect, promote fixed block 21 and remove, make fixed block 21 get into U type inslot 15, the range of drawing off of spacing post 8 in stretching into U type groove 15 on the fork 7 has been restricted, the fork 7 drops from U type groove 15 because of vibrations slide has effectively prevented, the holistic stability after draw-in groove 14 and fork 7 installation has been increased.

When in use: through aiming at the limiting block 9 at the limiting groove 16, the limiting post 8 is inserted into the U-shaped groove 15, the bottom fork 7 and the connecting shaft 6 are fixed through the bolt, the brake cable passes through the brake cable seat 5 and the brake rocker arm 3 to be fixedly connected, the brake cable is pulled during braking, the brake rocker arm 3 is driven to rotate, and then the rocker arm shaft 2 is driven to rotate, so that the cam 10 rotates, and then the cam 10 pushes out the two brake shoe blocks 12, finally, the purpose of braking is achieved, the limiting block 9 and the limiting groove 16 are arranged, the limiting block 9 is attached to the surface of the limiting groove 16, the bottom fork 7, the limiting post 8 and the clamping groove 14 are connected into a whole, the whole strength of braking is improved, the fixing block 21 is pushed to move under the action of the limiting spring 20, the fixing block 21 enters the U-shaped groove 15, the pull-out range of the limiting post 8 extending into the U-shaped groove 15 on the bottom fork 7 is limited, the bottom fork 7 is effectively prevented from falling off from the U-shaped groove 15 due to vibration sliding position, and the whole stability of the clamping groove 14 and the bottom fork 7 after being installed is increased.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a stopper before draw-in groove for electric bicycle, includes brake housing (1), a serial communication port, rocking arm axle (2) are installed in the surface rotation of brake housing (1), the surface fixed mounting of rocking arm axle (2) has brake rocking arm (3), connecting axle (6) are installed at the center of brake housing (1), the one end of connecting axle (6) is provided with fork (7), one side fixed mounting of fork (7) has spacing post (8), the surface fixed mounting of spacing post (8) has stopper (9), the one end fixed mounting of rocking arm axle (2) has cam (10), the surface fixed mounting of brake housing (1) has locating pin (11), the surface fixed mounting of locating pin (11) is provided with brake shoe piece (12), the surface fixed mounting of brake shoe piece (12) has return spring (13), the surface fixed mounting of brake housing (1) has draw-in groove (14), the inside of draw-in groove (14) is provided with stop mechanism.

2. The clamping groove front brake for the electric bicycle according to claim 1, wherein a torsion spring (4) is fixedly connected to the surface of the brake housing (1), and one end of the torsion spring (4) is fixedly connected with the brake rocker arm (3).

3. The clamping groove front brake for an electric bicycle according to claim 1, wherein a brake cable seat (5) is fixedly arranged on the surface of the brake housing (1).

4. The clamping groove front brake for the electric bicycle according to claim 1, wherein a U-shaped groove (15) is formed in the clamping groove (14), and the U-shaped groove (15) is arranged corresponding to the limit post (8).

5. The clamping groove front brake for an electric bicycle according to claim 4, wherein a limiting groove (16) is formed in the U-shaped groove (15), and the limiting groove (16) is arranged corresponding to the limiting block (9).

6. The clamping groove front brake for the electric bicycle according to claim 1, wherein the limiting mechanism comprises a spring groove (17), the spring groove (17) is formed in the clamping groove (14), a movable rod (18) is slidably mounted in the spring groove (17), a movable block (19) is fixedly mounted on the surface of the movable rod (18), a limiting spring (20) is fixedly mounted on one side of the movable block (19), and a fixed block (21) is fixedly mounted on the other side of the movable block (19).