CN220147509U - Bicycle brake assembly - Google Patents
Bicycle brake assembly Download PDFInfo
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- CN220147509U CN220147509U CN202320894479.2U CN202320894479U CN220147509U CN 220147509 U CN220147509 U CN 220147509U CN 202320894479 U CN202320894479 U CN 202320894479U CN 220147509 U CN220147509 U CN 220147509U
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- clamping arm
- transmission box
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- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000386 athletic effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model provides a bicycle brake assembly, which comprises a transmission box, wherein a fixed shaft is fixedly connected in the transmission box, a clamping arm is rotationally connected on the fixed shaft, a pull wire is fixedly connected to the upper part of the clamping arm, a spring is sleeved on the outer side of one end of the pull wire, a baffle is fixedly connected to the inner end of the spring, a steering column is fixedly connected in the transmission box, a beam-collecting box is arranged on the upper part of the steering column, sliding blocks are fixedly connected to the two sides of the beam-collecting box, a brake cable is fixedly connected to the top end of the beam-collecting box, a limiting ring is sleeved on the outer side of the brake cable, a support is fixedly connected to the bottom end of the clamping arm, a brake block is fixedly connected in the support, and a friction block is fixedly connected to the inner side of the brake block. The utility model has the advantages that: at least two stay wires are arranged on each clamping arm, if one stay wire is broken, normal braking action is not affected, and damaged stay wires can be replaced independently, so that the novel brake is safer and more convenient.
Description
Technical Field
The utility model relates to the technical field of bicycles, in particular to a bicycle brake assembly.
Background
The bicycle is not only used as an environment-friendly transportation means for riding instead of walking and going out, but also is a sports athletic. The brake assembly is an indispensable assembly on the bicycle, and the normal operation of the brake assembly is related to the safety problem of a rider.
If the authorization bulletin number is CN218198678U, the external force is transmitted through the first brake cable, and the state of the stretching rod is changed to drive the second brake cable, so that the clamping work of the first clamping arm and the second clamping arm is achieved, and the moving wheel is slowed down to stop moving, so that the bicycle brake clamp has a good brake effect. The gasket is fixed only through fixing bolt, and when the gasket wears to a certain extent, the gasket is changed more convenient and fast. But the brake clamp drives the two clamping arms to move through one brake cable to brake, and the brake cable has larger load and is not beneficial to long-term use of the brake assembly. The clamping arm can not be well and quickly restored to a relaxed state after braking, and the use is not flexible enough. To this end, a bicycle brake assembly has been proposed for improvement.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Accordingly, one object of the present utility model is to provide a bicycle brake assembly that overcomes the problems set forth in the background art and overcomes the deficiencies of the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a bicycle brake assembly, which comprises a transmission box, wherein a fixed shaft is fixedly connected in the transmission box, a clamping arm is rotatably connected on the fixed shaft, a pull wire is fixedly connected on the upper portion of the clamping arm, a spring is sleeved on the outer side of one end of the pull wire, a baffle plate is fixedly connected on the inner end of the spring, a steering column is fixedly connected in the transmission box, a converging box is arranged on the upper portion of the steering column, sliding blocks are fixedly connected on two sides of the converging box, a brake cable is fixedly connected on the top end of the converging box, a limiting ring is sleeved on the outer side of the brake cable, a bracket is fixedly connected on the bottom end of the clamping arm, a brake block is fixedly connected in the bracket, and a friction block is fixedly connected on the inner side of the brake block.
By any of the above schemes, preferably, the two sides of the transmission box are fixedly connected with mounting rings, and the fixed shaft is arranged at the lower part of the transmission box.
In any of the above embodiments, preferably, the two clamping arms are matched with the fixed shaft to form a scissor-shaped structure.
The technical scheme is adopted: the transmission box is used for installing a transmission structure and providing a certain protection effect for the transmission structure, so that the transmission structure is prevented from being damaged by the false collision of external objects. The installing rings fixedly connected to the two sides of the transmission box are used for fixedly connecting the transmission box with the bicycle frame, so that a fixed support is formed for the transmission box. The fixed shaft is used for supporting the clamping arm and enabling the clamping arm to rotate around the fixed shaft. The clamping arm is used for installing the brake structure and can drive the brake structure to move for braking action. The two clamping arms are matched with the fixed shaft to form a scissor-shaped structure, so that the lower ends of the clamping arms are also in a tightening state when the tops of the clamping arms are stretched, and further the braking structure can be in contact with the bicycle wheel to perform braking action.
By any of the above schemes, preferably, there are at least two stay wires on each clamping arm, and one end of the stay wire bypasses the steering column and is fixedly connected with the beam-converging box.
By any of the above schemes, preferably, the outer end of the spring is fixedly connected with a limiting piece, and the other end of the stay wire is fixedly connected with the limiting piece at the tail end of the spring.
The technical scheme is adopted: the stay wires are used for driving the clamping arms to rotate, at least two stay wires are arranged on each clamping arm, and the two stay wires jointly act to drive the same clamping arm to move, so that the tensile force born by each stay wire can be effectively reduced, and the long-term use of the device is facilitated. The spring can drive the stay wire to move so as to drive the clamping arm to reset. The separation blade is used for supporting the spring, separation blade and transmission box fixed connection guarantee the stability of spring. The limiting piece at the outer end of the spring is used for preventing the stay wire from penetrating out of the baffle piece and limiting the stay wire.
By any of the above schemes, preferably, a chute is formed in the transmission box, and the limiting ring is fixedly connected with the transmission box.
By any of the above schemes, preferably, the friction block has an arc structure, and the friction block is provided with a heat dissipation groove.
The technical scheme is adopted: the sliding groove arranged in the transmission box can be used for the sliding block to slide in, and the converging box is used for connecting the stay wire and the brake cable and transmitting between the stay wire and the brake cable. The upper end of the brake cable is connected to the handle bar, which is convenient for the rider to operate. The support is used for supporting the brake block, the brake block rubs the wheel and brakes, and the friction block adopts the arc structure, can contact the wheel first to increase frictional force rapidly when the centre gripping arm presss from both sides tightly, do not influence the braking effect when forming the protection to the brake block. The heat dissipation groove on the friction block can dissipate heat generated in the braking process outwards. When the bicycle frame is used, the upper end of the brake cable is arranged at the position of the handlebar, and the transmission box is fixedly connected with the bicycle frame through the mounting ring. When the bicycle is required to be braked, the brake cable is pulled by the brake rod at the position of the handlebar, the brake cable moves the stay wire to move upwards through the bundling belt, the upper end of the stay wire pulling clamping arm moves inwards, the bottom end of the clamping arm also contracts inwards, and the friction block and the brake block are in contact with the wheels, so that the purpose of braking is achieved. The brake is completed to release the brake rod, the spring is reset to drive the stay wire to move downwards, and the clamping arm returns to the original position.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. this bicycle brake subassembly is through setting up scissors form's centre gripping arm to set up multichannel stay wire on the centre gripping arm, cooperation steering column, receive beam box, slider and brake cable, when needs are stopped, the brake cable is pulled through the brake lever of handlebar position, and the brake cable moves the stay wire through receiving beam box and upwards moves, and the upper end of stay wire pulling centre gripping arm inwards moves, and the bottom of centre gripping arm also inwards contracts, and friction disc and brake block contact wheel realize the braking purpose. At least two stay wires are arranged on each clamping arm, and the two stay wires jointly act to drive the same clamping arm to move, so that the tensile force born by each stay wire can be effectively reduced, and the long-term use of the device is facilitated. If one of the pull wires is broken, normal braking action is not affected, and the damaged pull wires can be independently replaced, so that the brake is safer and more convenient.
2. According to the bicycle brake assembly, the spring is sleeved outside the pull wire, the structure such as the baffle plate is arranged in a matched mode, after braking is completed, the brake rod is loosened, the spring is reset to drive the pull wire to move downwards, the clamping arm returns to the original position, and the brake plate is separated from the wheel, so that the wheel rotates normally.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a first view structure according to the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a schematic view of the present utility model in cross-section;
fig. 4 is a schematic view of the structure of the inside of the transmission case of the present utility model.
In the figure: the brake device comprises a 1-transmission box, a 2-mounting ring, a 3-fixing shaft, a 4-clamping arm, a 5-stay wire, a 6-spring, a 7-baffle plate, an 8-steering column, a 9-beam-converging box, a 10-sliding block, an 11-brake cable, a 12-limiting ring, a 13-bracket, a 14-brake block and a 15-friction block.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 4, the utility model comprises a transmission box 1, wherein a fixed shaft 3 is fixedly connected in the transmission box 1, a clamping arm 4 is rotatably connected on the fixed shaft 3, a pull wire 5 is fixedly connected on the upper part of the clamping arm 4, a spring 6 is sleeved on the outer side of one end of the pull wire 5, a baffle 7 is fixedly connected on the inner end of the spring 6, a steering column 8 is fixedly connected in the transmission box 1, a beam-collecting box 9 is arranged on the upper part of the steering column 8, sliding blocks 10 are fixedly connected on two sides of the beam-collecting box 9, a brake cable 11 is fixedly connected on the top end of the beam-collecting box 9, a limiting ring 12 is sleeved on the outer side of the brake cable 11, a bracket 13 is fixedly connected on the bottom end of the clamping arm 4, a brake block 14 is fixedly connected in the bracket 13, and a friction block 15 is fixedly connected on the inner side of the brake block 14.
Example 1: the two sides of the transmission box 1 are fixedly connected with mounting rings 2, and a fixed shaft 3 is arranged at the lower part of the transmission box 1. The two clamping arms 4 are matched with the fixed shaft 3 to form a scissor-shaped structure. The transmission box 1 is used for installing a transmission structure and providing a certain protection effect for the transmission structure, so that the transmission structure is prevented from being damaged by the false touch of an external object. The mounting rings 2 fixedly connected with the two sides of the transmission box 1 are used for fixedly connecting the transmission box 1 with a bicycle frame, so that a fixed support is formed for the transmission box 1. The fixed shaft 3 is used to support the clamp arm 4 and enable the clamp arm 4 to rotate around the fixed shaft 3. The clamping arm 4 is used for installing a braking structure and can drive the braking structure to move for braking action. The two clamping arms 4 are matched with the fixed shaft 3 to form a scissor-shaped structure, so that the lower ends of the clamping arms 4 are also in a tightening state when the tops of the clamping arms are stretched, and further the braking structure is contacted with the bicycle wheel to perform braking action.
Example 2: at least two stay wires 5 are arranged on each clamping arm 4, and one end of each stay wire 5 bypasses the steering column 8 and is fixedly connected with the beam-converging box 9. The outer end of the spring 6 is fixedly connected with a limiting piece, and the other end of the stay wire 5 is fixedly connected with the limiting piece at the tail end of the spring 6. The stay wires 5 are used for driving the clamping arms 4 to rotate, at least two stay wires 5 are arranged on each clamping arm 4, and the two stay wires 5 jointly act to drive the same clamping arm 4 to move, so that the tensile force born by each stay wire can be effectively reduced, and the long-term use of the device is facilitated. The spring 6 can drive the stay wire 5 to move so as to drive the clamping arm 4 to reset. The baffle 7 is used for supporting the spring 6, and the baffle 7 is fixedly connected with the transmission box 1 to ensure the stability of the spring 6. The limiting piece at the outer end of the spring 6 is used for preventing the pull wire 5 from penetrating out of the baffle piece 7 and limiting the pull wire 5.
Example 3: a chute is arranged in the transmission box 1, and a limiting ring 12 is fixedly connected with the transmission box 1. The friction block 15 is of an arc-shaped structure, and a heat dissipation groove is formed in the friction block 15. The sliding groove arranged in the transmission box 1 can be used for the sliding block 10 to slide in, and the converging box 9 is used for connecting the stay wire 5 and the brake cable 11 and transmitting between the stay wire 5 and the brake cable 11. The upper end of the brake cable 11 is connected to the handle bar, which is convenient for the rider to operate. The support 13 is used for supporting the brake block 14, the brake block 14 rubs the wheel to brake, and the friction block 15 adopts the arc structure, can contact the wheel first to increase friction rapidly when the centre gripping arm 4 presss from both sides tightly, does not influence the braking effect when forming the protection to the brake block 14. The heat dissipation grooves on the friction blocks 15 can dissipate heat generated in the braking process outwards. When in use, the upper end of the brake cable 11 is arranged at the position of the handle bar, and the transmission box 1 is fixedly connected with the bicycle frame through the mounting ring 2. When the vehicle is required to be braked, the brake cable 11 is pulled by the brake rod at the position of the handle, the brake cable 11 drives the stay wire 5 to move upwards through the bundling box 9, the stay wire 5 pulls the upper end of the clamping arm 4 to move inwards, the bottom end of the clamping arm 4 also contracts inwards, and the friction block 15 and the brake block 14 are in contact with the vehicle wheels, so that the purpose of braking is achieved. The brake is completed to release the brake lever, the spring 6 is reset to drive the stay wire 5 to move downwards, and the clamping arm 4 returns to the original position.
The working principle of the utility model is as follows:
s1, installing the upper end of a brake cable 11 at the position of a handlebar, and fixedly connecting a transmission box 1 with a bicycle frame through a mounting ring 2;
s2, when braking is needed, a brake cable 11 is pulled by a brake rod at a handle position, the brake cable 11 drives a stay wire 5 to move upwards by a bundling box 9, the stay wire 5 pulls the upper end of a clamping arm 4 to move inwards, the bottom end of the clamping arm 4 also contracts inwards, and a friction block 15 and a brake block 14 contact wheels, so that the purpose of braking is achieved;
s3, the brake is completed, the brake rod is released, the spring 6 is reset to drive the stay wire 5 to move downwards, and the clamping arm 4 returns to the original position.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. this bicycle brake subassembly is through setting up scissors form's centre gripping arm 4 to set up multichannel stay wire 5 on centre gripping arm 4, cooperation steering column 8, receive and restraint box 9, slider 10 and brake cable 11, when needs are braked, the brake lever through the handlebar position pulls brake cable 11, and brake cable 11 drives through the restraint box 9 and acts as go-between 5 upwards remove, and the upper end of stay wire 5 pulling centre gripping arm 4 inwards removes, and the bottom of centre gripping arm 4 also inwards contracts, and friction disc 15 and brake block 14 contact wheel realize the braking purpose. At least two stay wires 5 are arranged on each clamping arm 4, and the two stay wires 5 jointly act to drive the same clamping arm 4 to move, so that the tensile force born by each stay wire 5 can be effectively reduced, and the long-term use of the device is facilitated. If one of the pull wires 5 is broken, normal braking action is not affected, and the damaged pull wire 5 can be independently replaced, so that the brake is safer and more convenient.
2. According to the bicycle brake assembly, the spring 6 is sleeved outside the stay wire 5 and matched with the structures such as the baffle plate 7, after braking is completed, the brake rod is loosened, the spring 6 is reset to drive the stay wire 5 to move downwards, the clamping arm 4 returns to the original position, and the brake block 14 is separated from the wheel, so that the wheel rotates normally.
Claims (7)
1. A bicycle brake assembly comprising a transmission case (1); the novel brake device is characterized in that a fixed shaft (3) is fixedly connected in the transmission box (1), a clamping arm (4) is rotationally connected on the fixed shaft (3), a pull wire (5) is fixedly connected to the upper portion of the clamping arm (4), a spring (6) is sleeved on the outer side of one end of the pull wire (5), a baffle (7) is fixedly connected to the inner end of the spring (6), a steering column (8) is fixedly connected in the transmission box (1), a beam-collecting box (9) is arranged on the upper portion of the steering column (8), sliding blocks (10) are fixedly connected to the two sides of the beam-collecting box (9), a brake cable (11) is fixedly connected to the top end of the beam-collecting box (9), a limiting ring (12) is sleeved on the outer side of the brake cable (11), a support (13) is fixedly connected to the bottom end of the clamping arm (4), a brake block (14) is fixedly connected to the inner side of the support (13).
2. A bicycle brake assembly according to claim 1, wherein: the two sides of the transmission box (1) are fixedly connected with mounting rings (2), and the fixed shaft (3) is arranged at the lower part of the transmission box (1).
3. A bicycle brake assembly as defined in claim 2, wherein: the two clamping arms (4) are matched with the fixed shaft (3) to form a scissor-shaped structure.
4. A bicycle brake assembly according to claim 3, wherein: at least two stay wires (5) are arranged on each clamping arm (4), and one end of each stay wire (5) bypasses the steering column (8) and is fixedly connected with the beam-converging box (9).
5. A bicycle brake assembly according to claim 4, wherein: the outer end of the spring (6) is fixedly connected with a limiting piece, and the other end of the stay wire (5) is fixedly connected with the limiting piece at the tail end of the spring (6).
6. A bicycle brake assembly according to claim 5, wherein: a sliding groove is formed in the transmission box (1), and the limiting ring (12) is fixedly connected with the transmission box (1).
7. A bicycle brake assembly according to claim 6, wherein: the friction block (15) is of an arc-shaped structure, and a heat dissipation groove is formed in the friction block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320894479.2U CN220147509U (en) | 2023-04-20 | 2023-04-20 | Bicycle brake assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320894479.2U CN220147509U (en) | 2023-04-20 | 2023-04-20 | Bicycle brake assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220147509U true CN220147509U (en) | 2023-12-08 |
Family
ID=89014126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320894479.2U Active CN220147509U (en) | 2023-04-20 | 2023-04-20 | Bicycle brake assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220147509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117566019A (en) * | 2024-01-12 | 2024-02-20 | 唐泽交通器材(泰州)有限公司 | Adjustable non-motor brake for bicycle |
-
2023
- 2023-04-20 CN CN202320894479.2U patent/CN220147509U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117566019A (en) * | 2024-01-12 | 2024-02-20 | 唐泽交通器材(泰州)有限公司 | Adjustable non-motor brake for bicycle |
| CN117566019B (en) * | 2024-01-12 | 2024-04-16 | 唐泽交通器材(泰州)有限公司 | Adjustable non-motor brake for bicycle |
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