CN210686773U - Double-cylinder disc brake - Google Patents
Double-cylinder disc brake Download PDFInfo
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- CN210686773U CN210686773U CN201921330204.6U CN201921330204U CN210686773U CN 210686773 U CN210686773 U CN 210686773U CN 201921330204 U CN201921330204 U CN 201921330204U CN 210686773 U CN210686773 U CN 210686773U
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Abstract
The utility model discloses a ceramic brake disc of a double-oil-cylinder disc brake, which comprises a brake caliper, a brake disc and a hydraulic oil cylinder arranged in the brake caliper; and just to setting up the brake pads in braking pincers inside both sides, its characterized in that: the hydraulic oil cylinder comprises a large hydraulic cylinder and a small hydraulic cylinder which are arranged on two sides in the brake caliper; the brake blocks are respectively fixed at the piston ends of the large hydraulic cylinder and the small hydraulic cylinder; the lower part of the brake caliper close to one side of the large hydraulic cylinder movably penetrates through a guide pin; the front end of the guide pin is fixed on the brake bracket; a limiting sleeve is arranged between the brake caliper and the brake support through the guide pin; the utility model discloses a double-cylinder disc brake, with the design of brake disc components of a whole that can function independently, its equipment is changed conveniently, adopts two built-in hydro-cylinder modes to carry out synchronous braking in addition, and the braking process shake is smaller.
Description
Technical Field
The utility model relates to a disc brake subassembly, concretely relates to double-cylinder disc brake belongs to disc brake technical field.
Background
The disc brake is widely applied to cars, most of the cars are used for all wheels, and a few of the cars are only used as front wheel brakes and are matched with drum brakes of rear wheels, so that the cars have higher direction stability during braking; in commercial vehicles, disc brakes are currently being used gradually in new and high-end vehicle models; the main parts of the existing disc brake comprise a brake disc, a wheel cylinder, a brake caliper, an oil pipe and the like; the disc brake has the advantages of fast heat dissipation, light weight, simple structure and convenient adjustment; particularly, the high-temperature resistance performance is good under high load, the braking effect is stable, the muddy water invasion is not feared, the car can drive in winter and in bad road conditions, the disc brakes adopted by many cars comprise a plane type braking disc, a punching type braking disc and a marking type braking disc, and the marking type braking disc has better braking effect and ventilation and heat dissipation capacity; the existing disc brakes are mainly divided into fixed caliper disc brakes and floating caliper disc brakes, wherein the brake caliper of the floating caliper disc brake is floating and can axially move relative to a brake disc; when the brake is carried out, the oil cylinder drives the friction plate to firstly press the brake disc for preliminary braking, then the brake caliper is continuously pushed to move backwards along the guide pin to be matched with and clamp the brake disc, so that the surface, close to the active braking, of the brake disc is firstly pressed and is braked in advance, and after a period of use, the brake disc and the brake block arranged on the oil cylinder are seriously abraded, so that the abrasion speeds of the inner brake block and the outer brake block are inconsistent; in the braking process, an oil pressure is needed from unilateral braking to bilateral braking; when the oil pressure is lower than the oil pressure, the brake is carried out by a side brake disc for a long time; and also easily damage the brake disc.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a double-cylinder disc brake, with the design of brake disc components of a whole that can function independently, its equipment is changed conveniently, adopts two built-in hydro-cylinder modes to carry out synchronous braking in addition, and the braking process shake is smaller.
The double-oil-cylinder disc brake of the utility model adopts a double-side separation design similar to an air-cooled brake disc structure, two sub-discs are matched by adopting the embedding of the ring groove and the convex ring, a gap exists between the two sub-discs after being laminated, and the two sub-discs are supported by the supporting sleeve between the gaps; therefore, the brake disc has structural strength, and meanwhile, an internal air cooling air channel is formed between the two sub-discs, so that the temperature can be quickly reduced; a limiting sleeve is arranged at the position of a guide pin of the brake caliper for limiting, so that the brake disc is prevented from being rubbed by a brake pad in a non-braking state; a spring part is arranged at the rear part of the brake caliper to press the brake caliper against the limit sleeve; therefore, the brake caliper is in a limiting state at two ends, the two brake blocks are respectively driven independently by the hydraulic cylinder, hydraulic pressure enters from the oil cylinder (large oil cylinder) at one end of the main push, meanwhile, hydraulic oil is led into the hydraulic cylinder (small oil cylinder) at the far end through an oil way, and when the brake block at the near end brakes, the pressure requirement of the oil cylinder at the far end is smaller than that of the oil cylinder at the near end; the brake caliper can almost synchronously act with the brake block of the near-end oil cylinder, and when the near-end brake block continues to apply force, the far-end oil cylinder is pressed and the brake caliper is pressed to slide, so that the brake caliper can perform flexible locking braking; the brake is smoother, and the jitter is smaller; the concrete structure is as follows: the brake comprises a brake caliper, a brake disc and a hydraulic oil cylinder arranged in the brake caliper; the hydraulic oil cylinder comprises a large hydraulic cylinder and a small hydraulic cylinder which are arranged on two sides in the brake caliper; the brake blocks are respectively fixed at the piston ends of the large hydraulic cylinder and the small hydraulic cylinder; the lower part of the brake caliper close to one side of the large hydraulic cylinder movably penetrates through a guide pin; the front end of the guide pin is fixed on the brake bracket; a limiting sleeve is arranged between the brake caliper and the brake support through the guide pin; a spring part is arranged on one side, away from the brake bracket, of the brake caliper of the guide pin; the front end of the limiting sleeve is limited, so that the brake block is prevented from being tightly attached to a brake disc when the brake block is in a non-braking state; the brake caliper can be pressed to the limiting sleeve through the spring part; the brake caliper is provided with oil inlet oil paths of a large hydraulic cylinder and a small hydraulic cylinder; the oil inlet end of the small hydraulic cylinder is provided with an expanded flow limiting cup; the small oil cylinder can be prevented from being damaged due to overlarge pressure through the flow limiting cup, and in addition, when the braking force needs to be reduced or the braking force is cancelled, the small oil cylinder flows back through the flow limiting cup, so that the situation that the backflow speed is too high and the brake block at the large hydraulic cylinder is abraded by independent braking is avoided.
Further, the brake disc comprises a first disc body and a second disc body; the first disc body is provided with a ring groove far away from the friction surface; the second disc body is opposite to the annular groove and is integrally manufactured into a convex ring; the ring groove and the convex ring are opposite to the brake block; a plurality of counter bores are formed in the first tray body and the second tray body in a way of facing each other; bolt and nut are arranged in the two counter bores; the split disc design is adopted, the convex ring and the annular groove are installed in an aligned mode, and replacement and assembly are simple and convenient.
Furthermore, a supporting sleeve is arranged between the two counter bores of the bolt and the nut; the length of the supporting sleeve is the inner side distance between the first tray body and the second tray body after being pressed.
Further, the inlet of the oil inlet passage is close to the large hydraulic cylinder.
Compared with the prior art, the utility model discloses a double-cylinder disc brake, the design of brake disc components of a whole that can function independently, its equipment is changed conveniently, adopts two built-in hydro-cylinder modes to carry out almost synchronous braking in addition, and it brakies more level and smooth, and it is littleer to shake nature.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
Example 1:
as shown in fig. 1, the brake disc adopts a two-side separated design similar to an air-cooled brake disc structure, two sub-discs are in embedded fit by adopting a ring groove and a convex ring, a gap exists between the two bonded sub-discs, and the gap is supported by a support sleeve; therefore, the brake disc has structural strength, and meanwhile, an internal air cooling air channel is formed between the two sub-discs, so that the temperature can be quickly reduced; a limiting sleeve is arranged at the position of a guide pin of the brake caliper for limiting, so that the brake disc is prevented from being rubbed by a brake pad in a non-braking state; a spring part is arranged at the rear part of the brake caliper to press the brake caliper against the limit sleeve; therefore, the brake caliper is in a limiting state at two ends, the two brake blocks are respectively driven independently by the hydraulic cylinder, hydraulic pressure enters from the oil cylinder (large oil cylinder) at one end of the main push, meanwhile, hydraulic oil is led into the hydraulic cylinder (small oil cylinder) at the far end through an oil way, and when the brake block at the near end brakes, the pressure requirement of the oil cylinder at the far end is smaller than that of the oil cylinder at the near end; the brake caliper can almost synchronously act with the brake block of the near-end oil cylinder, and when the near-end brake block continues to apply force, the far-end oil cylinder is pressed and the brake caliper is pressed to slide, so that the brake caliper can perform flexible locking braking; the brake is smoother, and the jitter is smaller; the concrete structure is as follows: the brake comprises a brake caliper 1, a brake disc 2 and a hydraulic oil cylinder arranged in the brake caliper; the brake blocks 3 are arranged on two sides in the brake caliper in an opposite mode, and the hydraulic oil cylinder comprises a large hydraulic cylinder 4 and a small hydraulic cylinder 5 which are arranged on two sides in the brake caliper; the brake block 3 is respectively fixed at the piston ends of the large hydraulic cylinder 4 and the small hydraulic cylinder 5; the lower part of the brake caliper close to one side of the large hydraulic cylinder 4 movably passes through a guide pin 6; the front end of the guide pin 6 is fixed on the brake bracket 7; a limiting sleeve 8 is arranged between the brake caliper and the brake support of the guide pin 6; a spring part 9 is arranged on one side, away from the brake bracket, of the brake caliper of the guide pin 6; the front end of the limiting sleeve is limited, so that the brake block is prevented from being tightly attached to a brake disc when the brake block is in a non-braking state; the brake caliper can be pressed to the limiting sleeve through the spring part; an oil inlet passage 10 of a large hydraulic cylinder and an oil inlet passage of a small hydraulic cylinder are arranged on the brake caliper 1; the oil inlet end of the small hydraulic cylinder 5 is provided with an expanded flow limiting cup 11; the small oil cylinder can be prevented from being damaged due to overlarge pressure through the flow limiting cup, and in addition, when the braking force needs to be reduced or the braking force is cancelled, the small oil cylinder flows back through the flow limiting cup, so that the situation that the backflow speed is too high and the brake block at the large hydraulic cylinder is abraded by independent braking is avoided.
Wherein the brake disc 2 includes a first disc body 21 and a second disc body 22; the first disc body 21 is provided with a ring groove 23 far away from the friction surface; the second disc body 22 is integrally provided with a convex ring 24 opposite to the annular groove; the ring groove 23 and the convex ring 24 are opposite to the brake block 3; a plurality of counter bores are formed in the first disc body 21 and the second disc body 22 in a facing manner; the two counter bores are provided with bolt and nut 25; the split disc design is adopted, and the convex ring and the annular groove are installed in an aligned mode, so that the replacement and the assembly are simple and convenient; a supporting sleeve 26 is arranged between the two opposite counter bores of the bolt and the nut 25; the length of the supporting sleeve 26 is the inner side distance between the first tray body 21 and the second tray body 22 after being pressed; the inlet of the oil inlet channel 10 is close to the large hydraulic cylinder 4.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (4)
1. A double-cylinder disc brake comprises a brake caliper, a brake disc and a hydraulic cylinder arranged in the brake caliper; and just to setting up the brake pads in braking pincers inside both sides, its characterized in that: the hydraulic oil cylinder comprises a large hydraulic cylinder and a small hydraulic cylinder which are arranged on two sides in the brake caliper; the brake blocks are respectively fixed at the piston ends of the large hydraulic cylinder and the small hydraulic cylinder; the lower part of the brake caliper close to one side of the large hydraulic cylinder movably penetrates through a guide pin; the front end of the guide pin is fixed on the brake bracket; a limiting sleeve is arranged between the brake caliper and the brake support through the guide pin; a spring part is arranged on one side, away from the brake bracket, of the brake caliper of the guide pin; the brake caliper is provided with oil inlet oil paths of a large hydraulic cylinder and a small hydraulic cylinder; and the oil inlet end of the small hydraulic cylinder is provided with a diameter-expanding flow limiting cup.
2. The dual cylinder disc brake of claim 1, wherein: the brake disc comprises a first disc body and a second disc body; the first disc body is provided with a ring groove far away from the friction surface; the second disc body is opposite to the annular groove and is integrally manufactured into a convex ring; the ring groove and the convex ring are opposite to the brake block; a plurality of counter bores are formed in the first tray body and the second tray body in a way of facing each other; and bolt and nuts are arranged in the two counter bores.
3. The dual cylinder disc brake of claim 2, wherein: the bolt and the nut are provided with a supporting sleeve between the two counter bores; the length of the supporting sleeve is the inner side distance between the first tray body and the second tray body after being pressed.
4. The dual cylinder disc brake of claim 1, wherein: and the inlet of the oil inlet passage is close to the large hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330204.6U CN210686773U (en) | 2019-08-16 | 2019-08-16 | Double-cylinder disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330204.6U CN210686773U (en) | 2019-08-16 | 2019-08-16 | Double-cylinder disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686773U true CN210686773U (en) | 2020-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921330204.6U Active CN210686773U (en) | 2019-08-16 | 2019-08-16 | Double-cylinder disc brake |
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| Country | Link |
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| CN (1) | CN210686773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165541A (en) * | 2021-12-20 | 2022-03-11 | 南方天合底盘系统有限公司 | Quick-change braking system |
| CN114314264A (en) * | 2022-01-07 | 2022-04-12 | 中国矿业大学 | Friction rail-climbing driving type cordless elevator system capable of being arranged in one well and multiple ladders |
-
2019
- 2019-08-16 CN CN201921330204.6U patent/CN210686773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165541A (en) * | 2021-12-20 | 2022-03-11 | 南方天合底盘系统有限公司 | Quick-change braking system |
| CN114314264A (en) * | 2022-01-07 | 2022-04-12 | 中国矿业大学 | Friction rail-climbing driving type cordless elevator system capable of being arranged in one well and multiple ladders |
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