Brake device of electric bicycle
By introducing a pipe anti-scratch limiting component into the electric bicycle braking device, the problem of wear on brake lines and brake cables is solved by buffering bumps and vibrations, thus improving service life and maintaining braking performance.
Patent Information
- Application Number
- CN202520613349.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-01
AI Technical Summary
The brake hoses and brake cables of existing electric bicycles rub against the iron hoops during operation, causing wear and reducing their service life.
An electric bicycle braking device was designed, which includes a brake caliper, a brake disc assembly, and a pipe anti-scratch limiting assembly. The device uses a C-shaped tension plate, a protective pad, and a spring structure to buffer bumps and vibrations and prevent direct friction between the pipe and the tension plate.
It effectively prevents wear on the outer end of the pipeline, improves the service life of the pipeline, and maintains friction during braking to ensure safety.
Smart Images

Figure CN223803728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric bicycle technical field, concretely is a kind of electric bicycle brake device. BACKGROUND
[0002] Electric bicycle refers to the auxiliary energy storage battery on the basis of ordinary bicycle, installation is operated by parts and display instrument system of the controlling component such as motor, controller, battery, handlebar brake lever etc.
[0003] Electric bicycle brake refers to the device for slowing down or stopping the movement of electric bicycle. It is an important part of electric bicycle safety system, can quickly and effectively reduce the speed or make the vehicle completely stop when the rider needs, so as to ensure the safety of the rider;Electric bicycle brake is usually composed of brake handle (or brake pedal), brake line (or brake oil pipe), brake caliper, brake pad and brake disc (or brake drum) etc. When the rider holds the brake handle or steps on the brake pedal, brake line or brake oil pipe will transmit power to brake caliper, so that brake pad and brake disc (or brake drum) are in close contact and generate friction, so as to slow down or stop the rotation of the wheel.
[0004] The brake oil pipe and brake line pipe on the existing electric bicycle are usually limited by a iron hoop fixed on the shock absorber. During driving, the brake oil pipe and brake line pipe will rub against the iron hoop at the edge, which will cause wear on the outer surface of the brake oil pipe or brake line pipe, and finally reduce the service life of the brake oil pipe and brake line pipe. Therefore, we propose a kind of electric bicycle brake device. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of electric bicycle brake device to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electric bicycle brake device, including brake caliper, brake disc assembly and pipeline body, brake caliper side is provided with brake disc assembly, the front end of brake caliper is fixedly connected with pipeline body, the outer end of pipeline body is abutted with pipeline scratchproof limiting component, the pipeline scratchproof limiting component includes C-shaped tensioning plate, the inner end of C-shaped tensioning plate is fixedly connected with first protective pad, the right end of C-shaped tensioning plate is fixedly connected with fixed plate, the end of fixed plate away from C-shaped tensioning plate is fixedly connected with two symmetrically arranged springs, the outer end of each spring is fixedly connected with limiting plate, the end of limiting plate close to spring is fixedly connected with guide column, the outer end of guide column is slidably connected with fixed plate, the end of guide column away from limiting plate is fixedly connected with moving plate, the end of two moving plates close to each other is fixedly connected with second protective pad.
[0007] Preferably, the fixed plate is fixedly connected with a pull plate at the middle of one end of the C-shaped tension plate, and a fastening bolt is threadedly connected to the surface of the pull plate.
[0008] Preferably, the brake disc assembly comprises a brake disc body arranged in the inner side of the brake caliper, and a plurality of locking holes are arranged in the surface of the brake disc body in a circumferential distribution.
[0009] Preferably, a plurality of groups of ventilation holes are arranged on the surface of the brake disc body in a uniform distribution, the ventilation holes are arranged on the inner side of the locking holes, a placement hole is arranged on the middle of the front end of the brake disc body, and the placement hole is arranged on the inner side of the locking hole away from the ventilation hole.
[0010] Preferably, the guide column penetrates the fixed plate, and the spring is sleeved on the guide column.
[0011] Preferably, the first protective pad is rounded on both sides near one end of the pipeline body, and the second protective pad is rounded on both sides near one end of the pipeline body.
[0012] Preferably, the first protective pad abuts against the pipeline body near one end of the pipeline body, and the second protective pad abuts against the pipeline body near one end of the pipeline body.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. The brake caliper, the brake disc assembly, the pipeline body and the pipeline scratch-preventing limiting assembly are arranged, so that when the pipeline body is pulled and limited, the inner end of the C-shaped tension plate abuts against the outer end of the pipeline body, the position of the pipeline scratch-preventing limiting assembly is adjusted, the fastening bolt is passed through the pull plate and locked on the shock absorber, in the whole process, the inner ends of the first protective pad and the second protective pad abut against the outer end of the pipeline body, the second protective pad transmits the bumping to the spring through the moving plate, the guide column and the limiting plate, the spring reciprocally rebounds to buffer the vibration caused by the bumping, the outer end of the pipeline body is less abraded because the two sides of the contact end of the first protective pad and the second protective pad are rounded, the pipeline body is limited and protected, the abrasion of the outer end of the pipeline body and the outer wall of the C-shaped tension plate is prevented, and the service life of the pipeline body is prolonged.
[0015] 2. The brake caliper and the brake disc assembly are arranged, so that when the rider brakes, the oil in the pipeline body presses the brake caliper, and the brake pad in the brake caliper rubs the brake disc body to slow down. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the front view structure schematic view of the utility model;
[0018] Figure 3 It is the pipeline scratchproof limiting assembly structure schematic view of the utility model;
[0019] Figure 4 It is the brake disc assembly structure schematic view of the utility model.
[0020] In the drawing: 1, brake caliper;2, brake disc assembly;21, brake disc body;22, vent hole;23, locking hole;24, placing hole;3, pipeline body;4, pipeline scratchproof limiting assembly;41, C-shaped tension plate;42, first protective pad;43, fixed plate;44, spring;45, limiting plate;46, guide column;47, moving plate;48, second protective pad;49, pull plate;410, fastening bolt. Specific implementation
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Please refer to Figure 1 - Figure 4 The utility model provides a technical scheme: a kind of electric bicycle brake device, including brake caliper 1, brake disc assembly 2 and pipeline body 3, brake caliper 1 side is provided with brake disc assembly 2, brake caliper 1 front end fixed communication has pipeline body 3, pipeline body 3 outer end abuts with pipeline scratchproof limiting assembly 4, pipeline scratchproof limiting assembly 4 includes C-shaped tension plate 41, C-shaped tension plate 41 inner end is fixedly connected with first protective pad 42, C-shaped tension plate 41 right end is fixedly connected with fixed plate 43, fixed plate 43 is fixedly connected with two symmetrical spring 44 of being arranged at the end away from C-shaped tension plate 41, the outer end of each spring 44 is fixedly connected with limiting plate 45, limiting plate 45 is fixedly connected with guide column 46 at the end close to spring 44, guide column 46 outer end is slidably connected fixed plate 43, guide column 46 is fixedly connected with moving plate 47 at the end away from limiting plate 45, two moving plate 47 are fixedly connected with second protective pad 48 at the end close to each other.
[0023] In the embodiment, fixed plate 43 is fixedly connected with pull plate 49 at the middle of the end away from C-shaped tension plate 41, and fastening bolt 410 is threadedly connected on the surface of pull plate 49.
[0024] Specifically, by passing the fastening bolt 410 through the pull plate 49 and locking the fastening bolt 410 on the shock absorber.
[0025] In the embodiment, the brake disc assembly 2 comprises a brake disc body 21 arranged inside the brake caliper 1, and a plurality of locking holes 23 are arranged in the surface of the brake disc body 21 in a circumferential distribution.
[0026] Specifically, the brake disc assembly 2 can complete the pressing action of the oil in the pipeline body 3 on the brake caliper 1 when the rider performs the brake action, and the brake pad in the brake caliper 1 rubs the brake disc body 21 to perform the deceleration action.
[0027] In the embodiment, a plurality of ventilation holes 22 are arranged in the surface of the brake disc body 21 in a uniform distribution, the ventilation holes 22 are arranged outside the locking holes 23, a placement hole 24 is arranged in the middle of the front end of the brake disc body 21, and the placement hole 24 is arranged inside the locking hole 23 away from the ventilation hole 22.
[0028] Specifically, the ventilation hole 22 can quickly discharge the heat generated during the braking process of the brake disc body 21.
[0029] In the embodiment, the guide column 46 penetrates the fixing plate 43, and the spring 44 is sleeved on the guide column 46.
[0030] Specifically, it is ensured that the guide column 46 does not interfere with the spring 44 and the fixing plate 43.
[0031] In the embodiment, the first protective pad 42 is rounded on both sides near one end of the pipeline body 3, and the second protective pad 48 is rounded on both sides near one end of the pipeline body 3.
[0032] Specifically, it is ensured that the first protective pad 42 and the second protective pad 48 do not produce a sustained friction action on the two ends in contact with the pipeline body 3.
[0033] In the embodiment, the first protective pad 42 abuts against the pipeline body 3 near one end of the pipeline body 3, and the second protective pad 48 abuts against the pipeline body 3 near one end of the pipeline body 3.
[0034] Specifically, it is ensured that the first protective pad 42 and the second protective pad 48 can always perform the outer protection action on the outer end of the pipeline body 3 during use.
[0035] Working principle: when the pipeline body 3 is tensioned, the inner end of the C-shaped tensioning plate 41 abuts against the outer end of the pipeline body 3, then the position of the pipeline scratch-preventing limiting assembly 4 is adjusted, then the fastening bolt 410 is locked on the shock absorber through the tensioning plate 49, in the whole process, the inner end of the first protective pad 42 and the second protective pad 48 abut against the outer end of the pipeline body 3, in the driving process of the electric bicycle, bumps are inevitably encountered, at this time, the second protective pad 48 transmits the bumps to the spring 44 through the moving plate 47, the guide column 46 and the limiting plate 45, at this time, the spring 44 reciprocates and rebounds to buffer the vibration caused by the bumps, since the two sides of the contact end of the first protective pad 42 and the second protective pad 48 are rounded, the wear of the outer end of the pipeline body 3 is reduced, the utility model realizes the limiting and protecting action of the outer end of the pipeline body 3, prevents the wear of the outer end of the pipeline body 3 and the outer wall of the C-shaped tensioning plate 41, and improves the service life of the pipeline body 3.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An electric bicycle brake device comprising a brake caliper (1), a brake disc assembly (2) and a pipe body (3), characterized in that: The brake caliper (1) is provided with a brake disc assembly (2) on one side, the brake caliper (1) is fixedly connected with a pipeline body (3) at the front end, the outer end of the pipeline body (3) is abutted with a pipeline scratch prevention limiting assembly (4), the pipeline scratch prevention limiting assembly (4) comprises a C-shaped tension plate (41), the inner end of the C-shaped tension plate (41) is fixedly connected with a first protective pad (42), the right end of the C-shaped tension plate (41) is fixedly connected with a fixed plate (43), the end, away from the C-shaped tension plate (41), of the fixed plate (43) is fixedly connected with two symmetrically arranged springs (44), the outer end of each spring (44) is fixedly connected with a limiting plate (45), the end, close to the spring (44), of the limiting plate (45) is fixedly connected with a guide column (46), the outer end of the guide column (46) is slidingly connected with the fixed plate (43), the end, away from the limiting plate (45), of the guide column (46) is fixedly connected with a moving plate (47), the ends, close to each other, of the two moving plates (47) are fixedly connected with a second protective pad (48).
2. An electric bicycle brake device according to claim 1, characterized in that: The end, away from the C-shaped tension plate (41), of the fixed plate (43) is fixedly connected with a pull plate (49) in the middle, and the surface of the pull plate (49) is threadedly connected with a fastening bolt (410).
3. An electric bicycle brake device according to claim 1, characterized in that: The brake disc assembly (2) comprises a brake disc body (21) arranged on the inner side of the brake caliper (1), and a plurality of locking holes (23) are arranged in a circumferential distribution on the inner side of the surface of the brake disc body (21).
4. An electric bicycle brake device according to claim 3, wherein: A plurality of ventilation holes (22) are arranged in a uniform distribution on the surface of the brake disc body (21), the ventilation holes (22) are arranged on the outer side of the locking holes (23), a placement hole (24) is arranged in the middle of the front end of the brake disc body (21), and the placement hole (24) is arranged on the inner side of the locking hole (23) away from the ventilation hole (22).
5. The electric bicycle brake device of claim 1, wherein: The guide column (46) penetrates through the fixed plate (43), and the spring (44) is sleeved on the guide column (46).
6. An electric bicycle brake device according to claim 1, characterized in that: The first protective pad (42) is rounded on both sides of the end close to the pipeline body (3), and the second protective pad (48) is rounded on both sides of the end close to the pipeline body (3).
7. The electric bicycle brake device of claim 1, wherein: The first protective pad (42) is abutted with the pipeline body (3) at the end close to the pipeline body (3), and the second protective pad (48) is abutted with the pipeline body (3) at the end close to the pipeline body (3).