CN219035393U - Low-drag fixed brake caliper assembly - Google Patents
Low-drag fixed brake caliper assembly Download PDFInfo
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- CN219035393U CN219035393U CN202223521562.XU CN202223521562U CN219035393U CN 219035393 U CN219035393 U CN 219035393U CN 202223521562 U CN202223521562 U CN 202223521562U CN 219035393 U CN219035393 U CN 219035393U
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- 210000000078 claw Anatomy 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to a low-drag fixed brake caliper assembly, which belongs to the technical field of automobile parts and comprises a brake caliper body with brake disc avoidance holes, brake blocks which are positioned at two sides of a brake disc and are connected with the brake caliper body through guide pins at two ends, a piston which is arranged on the brake caliper body and drives the brake blocks to move towards the brake disc, and an elastic reset mechanism which enables the brake blocks to automatically reset, wherein the elastic reset mechanism comprises reset springs which are arranged at two ends of the brake caliper body, the reset springs are arranged on the brake caliper body through fixing pieces arranged in the middle of the reset springs, and two ends of the reset springs are respectively clamped in limiting holes formed in a back plate of the brake blocks; the back plate of the brake block is provided with a claw connected with the inner hole of the piston so that the piston drives the brake block provided with the claw to return together; a spring piece is arranged above the brake block to apply pressure to the brake block. The utility model not only solves the problem of drag force between the brake block and the brake disc, but also can effectively eliminate the abnormal impact sound of the brake block and the brake caliper.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, and relates to a low-drag fixed brake caliper assembly.
Background
The magnitude of the drag force of the brake caliper assembly directly influences the oil consumption and CO of the fuel vehicle 2 And the continuous voyage mileage of the electric vehicle. However, the brake caliper assembly used in the existing brake industry does not have the function of automatically resetting the brake pad, and the brake pad is separated from the brake pad by adjusting the rotating brake pad to strike the brake pad after the braking is released.
Because the brake blocks at the inner side and the outer side cannot be reset in time, reasonable clearance between the brake disc and the brake blocks cannot be ensured, friction force still exists between the brake disc and the brake blocks, and thus dragging force is easy to generate, so that the fuel consumption of the vehicle is increased (the endurance mileage is reduced) and the CO is larger 2 The discharge amount pollutes the atmosphere.
In addition, the opposite fixed brake caliper assembly used in the existing brake industry has very difficult noise suppression, and the noise can cause certain harm to human bodies.
Disclosure of Invention
Accordingly, the present utility model is directed to a low drag fixed caliper assembly to solve the drag force problem between the brake pad and the brake disc.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the elastic reset mechanism comprises return springs arranged at two ends of the brake caliper body, the return springs are arranged on the brake caliper body through fixing pieces arranged in the middle of the return springs, and two ends of the return springs are respectively clamped in limiting holes formed in a back plate of the brake block; the back plate of the brake block is provided with a claw connected with the inner hole of the piston so that the piston drives the brake block provided with the claw to return together.
Optionally, a spring piece is arranged above the brake block to apply pressure to the brake block.
Optionally, the spring piece is mounted in a groove of the brake caliper body beam through a claw portion.
Optionally, two ends of the spring piece are supported on the circular arc of the limiting surface of the back plate of the brake block.
Optionally, the middle part of return spring has annular ring structure, and return spring overlaps on the mounting through annular ring structure, is equipped with the clamp piece on the mounting in order to restrict return spring's axial position.
Optionally, the return spring contacts the underside of the limiting aperture to apply downward pressure to the brake pad.
Optionally, the end of the return spring is U-shaped.
Optionally, the return spring is formed by bending an elastic material with a circular cross section.
Optionally, a damper is arranged on the end face of the back plate of the brake block, which bears braking force.
Optionally, a rubber seal is provided between the brake caliper body and the piston.
The utility model has the beneficial effects that:
1. according to the utility model, the elastic reset mechanism is arranged, the reset spring of the elastic reset mechanism is arranged on the brake caliper body through the fixing piece arranged in the middle of the elastic reset mechanism, two ends of the reset spring are clamped in the limiting holes on the back plate of the brake block, so that the active reset of the brake block is reliably realized, and the dragging force problem between the brake block and the brake disc is solved.
2. The spring piece is supported on the back plate of the brake block, positive pressure pressing the guide pin is applied to the brake block, and rebound tension perpendicular to the positive pressure is provided, so that impact abnormal sound between the brake block and the brake caliper can be effectively eliminated.
3. According to the utility model, both ends of the spring piece are supported on the circular arcs of the limiting surfaces on the back plate of the brake block, and the brake block is returned to the initial position before braking through the rebound of the spring piece, so that a certain gap is ensured between the brake block and the stress surface of the brake caliper, friction is reduced, and the sliding resistance of the brake block can be effectively reduced.
4. The claw is arranged on the back plate of the brake block, the claw is connected with the inner hole of the piston, after braking is released, the piston returns and drives the brake block provided with the claw to return together, so that the brake block is far away from the brake disc, and dragging of the brake block and the brake disc is effectively reduced.
5. The utility model is provided with the double reset structure of the claw and the return spring, thereby increasing the reliability of reset.
6. The end face of the back plate of the brake block, which bears the braking force, is provided with the damper, so that the vibration mode of the brake caliper assembly during braking can be changed, and noise can be effectively restrained.
7. The end face of the back plate of the brake block, which bears the braking force, is provided with the damper, so that the impact in the braking and non-braking processes can be buffered, and the noise can be effectively restrained.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic illustration of the construction of a brake caliper assembly of the present utility model;
FIG. 2 is a schematic view of the installation of return springs, pawls, and spring plates;
FIG. 3 is a schematic view of the piston;
FIG. 4 is a schematic structural view of a return spring;
FIG. 5 is a force diagram of a spring plate.
Reference numerals: the piston 1, a piston inner hole 111, a sealing element 2, a dust cover 3, an outer brake block 4, a guide pin 5, a spring piece 6, a spring piece claw 61, a spring piece compression part 62, a fixing screw 7, a return spring 8, a fixing part 81, a rebound part 82, a limiting part 83, a positioning part 84, an inserting part 85, a brake caliper body 9, an inner brake block 10, a claw 101, a back plate outer side surface 102, a limiting hole 103, a back plate inner side surface 104, a plug 11, an oil hole plug 12, a bushing 13 and an exhaust screw assembly 14.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 5, a low drag fixed brake caliper assembly comprises a brake caliper body 9 with brake disc avoidance holes, brake blocks positioned at two sides of a brake disc and connected with the brake caliper body 9 at two ends through guide pins, a piston 1 arranged on the brake caliper body 9 and used for driving the brake blocks to move towards the brake disc, and an elastic reset mechanism for automatically resetting the brake blocks, wherein the elastic reset mechanism comprises return springs 8 arranged at two ends of the brake caliper body 9, the return springs 8 are arranged on the brake caliper body 9 through fixing pieces arranged in the middle of the return springs, and two ends of each return spring 8 are respectively clamped in limiting holes formed in a back plate of the brake block; the back plate of the brake block is provided with a claw 101 which is in interference connection with the inner hole 111 of the piston so that the piston 1 drives the brake block provided with the claw 101 to return together.
Optionally, a spring piece 6 is arranged above the brake block to apply pressure to the brake block; the spring piece 6 is arranged in a groove of the cross beam of the brake caliper body 9 through a claw part; two ends of the spring piece 6 are supported on the circular arc of the limiting surface of the back plate of the brake block; the return spring 8 comprises a fixing part 81 with an annular ring structure in the middle, and two sides of the fixing part 81 are sequentially provided with a rebound part 82, a limiting part 83, a positioning part 84 and an inserting part 85; the annular ring structure of the fixing part 81 is matched with a fixing piece, the return spring 8 is sleeved on the fixing piece through an annular ring, and a pressing piece is arranged on the fixing piece to limit the axial position of the return spring 8; the end part of the return spring 8 is surrounded by a limiting part 83, a positioning part 84 and an inserting part 85 to form a U-shaped connecting structure, the positioning part 84 of the return spring 8 is contacted with the lower side surface of the limiting hole to apply downward pressure to the brake block, the limiting part 83 and the inserting part 85 are respectively contacted with the inner side surface and the outer side surface of the brake block, and the rebound part 82 is pressed to generate rebound force; the return spring 8 is formed by bending an elastic material with a circular cross section; the end face of the backboard of the brake block, which bears the braking force, is provided with the damper, so that the impact in the braking and non-braking processes can be buffered, the vibration mode of the brake caliper assembly during braking is changed, and the noise can be effectively inhibited; a rubber seal 2 is arranged between the brake caliper body 9 and the piston 1.
Examples
Referring to FIGS. 1-5, a low drag fixed caliper assembly is shown in the following configuration: the piston 1, a piston inner hole 111, a sealing element 2, a dust cover 3, an outer brake block 4, a guide pin 5, a spring piece 6, a spring piece claw 61, a spring piece compression part 62, a fixing screw 7, a return spring 8, a fixing part 81, a rebound part 82, a limiting part 83, a positioning part 84, a plug part 85, a brake caliper body 9, an inner brake block 10, a claw 101, a back plate outer side surface 102, a limiting hole 103, a back plate inner side surface 104, a plug 11, an oil hole plug 12, a bushing 13 and an exhaust screw assembly 14. The brake caliper assembly comprises a brake caliper body 9 with brake disc avoidance holes, an outer brake block 4 and an inner brake block 10 which are positioned at two sides of the brake disc and the two ends of which are connected with the brake caliper body 9 through guide pins 5, a piston 1 which is arranged on the brake caliper body 9 and drives the outer brake block 4 or the inner brake block 10 to move towards the brake disc, and an elastic reset mechanism which automatically resets the outer brake block 4 and the inner brake block 10, wherein the elastic reset mechanism comprises a reset spring 8 and a claw 101 which are oppositely arranged at two sides of the brake disc, a fixing screw 7 is arranged above the middle part of the reset spring 8, two ends of the reset spring 8 are supported on the outer brake block 4 and the inner brake block 10, a limiting hole 103 is arranged at the position corresponding to the reset spring 8 so that the reset spring 8 is clamped in the limiting hole 103, the two ends of the return spring 8 are provided with a limiting part 83, a positioning part 84 and an inserting part 85 which are sequentially arranged, the inserting part 85 is in contact with the outer side surface of the back plate of the outer brake block 4 and the outer side surface 102 of the back plate of the inner brake block 10, the positioning part 84 is in contact with the lower side surface of the limiting hole 103, downward force is applied to enable the outer brake block 4 and the inner brake block 10 to be in contact with the outer circular surface of the guide pin 5, the limiting part 83 is in contact with the inner side surface of the back plate of the outer brake block and the inner side surface 104 of the back plate of the inner brake block 10, after braking is released, the rebound part 82 which is compressed and deformed by the return spring 8 generates rebound force, and the limiting part 83 of the return spring 8 pushes the outer brake block 4 and the inner brake block 10 to move towards the piston 1, and the outer brake block 4 and the inner brake block 10 are far away from the brake disc, and dragging between the outer brake block 4 and the inner brake block 10 and the brake disc is reduced; after the brake is released, the piston 1 returns to the inside of the cylinder hole of the brake caliper body 9 along with the rebound of the sealing element 2, and in the return process of the piston 1, the outer brake block 4 provided with the spring piece claw 61 and the inner brake block 10 are driven to return to the cylinder hole together, the outer brake block 4 and the inner brake block 10 are far away from the brake disc, and the dragging force between the outer brake block 4 and the inner brake block 10 and the brake disc is reduced.
The outer brake pad 4 and the inner brake pad 10 are arranged on two sides of the brake disc; the spring piece 6 is arranged on the brake caliper body 9 through the spring piece claw 61 to press the outer brake block 4 and the inner brake block 10 to the two guide pins 5, and positive pressure pressing the guide pins 5 is provided for the outer brake block 4 and the inner brake block 10, so that the outer brake block 4 and the inner brake block 10 are tightly attached to the two guide pins 5; the piston 1 is arranged in the brake caliper body 9, is sealed through the sealing piece 2, is dustproof through the dustproof sleeve 3, and the piston 1 pushes the outer brake block 4 and the inner brake block 10 to slide along the two guide pins 5 to be in contact with the brake disc, so that braking is realized.
The limiting part 83 of the return spring 8 is clamped on the inner side surface of the back plate of the outer brake block 4 and the inner side surface 104 of the back plate of the inner brake block 10, and the rebound part 82 of the return spring 8 deforms to provide positive pressure for the outer brake block 4 and the inner brake block 10 and release the rebound force of the brake blocks after braking; the spring piece compression parts 62 at the two ends of the spring piece 6 are contacted with the arc surfaces of the outer brake block 4 and the inner brake block 10 at the corresponding positions, and in the braking process, the brake blocks move circumferentially along with the rotation direction of the brake disc, the spring piece rebound parts 63 of the spring piece 6 deform, the spring piece 6 generates an acting force F1 on the brake blocks in the direction opposite to the rotation direction of the wheel, and the spring piece 6 applies a positive pressure F2 on the outer brake block 4 and the inner brake block 10, the stress is shown in figure 5, and the wheel rotates in the opposite direction; after the brake is released, the spring piece rebound part 63 of the spring piece 6 which generates deformation pushes the brake block back to the position before the brake generates circumferential movement, so that the design clearance between the outer brake block 4 and the inner brake block 10 and the stress surface of the brake caliper body 9 is ensured; after the brake is released, the piston 1 returns to the inside of the cylinder hole of the brake caliper body 9 along with the rebound of the sealing element 2, and in the return process of the piston 1, the outer brake block 4 provided with the spring piece claw 61 and the inner brake block 10 are driven to return to the cylinder hole together, the outer brake block 4 and the inner brake block 10 are far away from the brake disc, and the dragging force between the outer brake block 4 and the inner brake block 10 and the brake disc is reduced. The present embodiment can change the mode during braking by installing dampers on the outer brake pad 4 and the inner brake pad 10 to achieve suppression of braking noise.
The guide pin 5 is arranged on the brake caliper body 9, bears braking force from the outer brake block 4 and the inner brake block 10 during braking, and provides a guide carrier for sliding of the outer brake block 4 and the inner brake block 10; the dampers are mounted on the back plates of the outer brake pads 4 and the inner brake pads 10. When the vehicle is braked, the piston 1 transmits pressure to the outer brake pad 4 and the inner brake pad 10, the outer brake pad 4 and the inner brake pad 10 are contacted with the brake disc to realize braking, and the brake pad moves circumferentially along the rotation direction of the brake disc in the braking process, the spring piece rebound part 63 of the spring piece 6 deforms, and after the braking is released, the energy generated by the deformation pushes the outer brake pad 4 and the inner brake pad 10 away from the brake disc.
After the vehicle is released from braking, the tensile deformation return spring 8 applies acting force opposite to the movement direction of the piston 1 in the braking process to the outer brake block 4 and the inner brake block 10, and the active return of the outer brake block 4 and the inner brake block 10 is reliably realized, so that the dragging moment between a brake disc and the outer brake block 4 and the dragging moment between the brake disc and the inner brake block 10 are reduced, the fuel consumption (power consumption) of the whole vehicle is further reduced, the cruising mileage is increased, and the CO is reduced 2 Discharging; in addition, the spring piece 6 is supported on the back plates of the outer brake block 4 and the inner brake block 10, positive pressure pressing the guide pin 5 is applied to the outer brake block 4 and the inner brake block 10, and rebound tension perpendicular to the positive pressure is provided, so that impact abnormal sound between the outer brake block 4 and the inner brake block 10 and the brake caliper body 9 can be effectively eliminated; the piston 1 returns to the inside of the cylinder hole of the brake caliper body 9 along with the rebound recovery of the sealing element 2, and in the return process of the piston 1, the outer brake block 4 and the inner brake block 10 provided with the spring piece claw 61 are driven to return to the cylinder hole together, the outer brake block 4 and the inner brake block 10 are far away from the brake disc, and the dragging between the outer brake block 4 and the inner brake block 10 and the brake disc is reduced; the damper is arranged on the back plate of the brake block, so that the vibration mode of the brake caliper assembly during braking can be changed, and further the effects of noise suppression and environmental pollution reduction are realized.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (10)
1. A low drag fixed brake caliper assembly, characterized by: the brake caliper comprises a brake caliper body with brake disc avoiding holes, brake blocks which are positioned at two sides of the brake disc and are connected with the brake caliper body through guide pins at two ends, a piston which is arranged on the brake caliper body and drives the brake blocks to move towards the brake disc, and an elastic reset mechanism which enables the brake blocks to reset automatically, wherein the elastic reset mechanism comprises return springs which are arranged at two ends of the brake caliper body, the return springs are arranged on the brake caliper body through fixing pieces arranged in the middle of the return springs, and two ends of the return springs are respectively clamped in limiting holes formed in a back plate of the brake blocks; the back plate of the brake block is provided with a claw connected with the inner hole of the piston so that the piston drives the brake block provided with the claw to return together.
2. A low drag fixed caliper assembly according to claim 1, wherein: and a spring piece is arranged above the brake block to apply pressure to the brake block.
3. A low drag fixed caliper assembly according to claim 2, wherein: the spring piece is arranged in the groove of the brake caliper body beam through the claw part.
4. A low drag fixed caliper assembly according to claim 1, wherein: and two ends of the spring piece are supported on the circular arc of the limiting surface of the back plate of the brake block.
5. A low drag fixed caliper assembly according to claim 1, wherein: the middle part of the return spring is provided with an annular ring structure, the return spring is sleeved on the fixing piece through the annular ring structure, and the fixing piece is provided with a pressing piece to limit the axial position of the return spring.
6. A low drag fixed caliper assembly according to claim 1, wherein: the return spring is contacted with the lower side surface of the limiting hole.
7. A low drag fixed caliper assembly according to claim 1, wherein: the end part of the return spring is U-shaped.
8. A low drag fixed caliper assembly according to claim 1, wherein: the return spring is formed by bending an elastic material with a circular cross section.
9. A low drag fixed caliper assembly according to claim 1, wherein: and a damper is arranged on the end face of the back plate of the brake block, which bears the braking force.
10. A low drag fixed caliper assembly according to claim 1, wherein: a rubber sealing piece is arranged between the brake caliper body and the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521562.XU CN219035393U (en) | 2022-12-28 | 2022-12-28 | Low-drag fixed brake caliper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521562.XU CN219035393U (en) | 2022-12-28 | 2022-12-28 | Low-drag fixed brake caliper assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035393U true CN219035393U (en) | 2023-05-16 |
Family
ID=86275508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223521562.XU Active CN219035393U (en) | 2022-12-28 | 2022-12-28 | Low-drag fixed brake caliper assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035393U (en) |
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2022
- 2022-12-28 CN CN202223521562.XU patent/CN219035393U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 402760 no.9-1, Hongyu Avenue, Bishan District, Chongqing Patentee after: Chenzhi (Chongqing) Brake System Co.,Ltd. Country or region after: China Address before: 402760 no.9-1, Hongyu Avenue, Bishan District, Chongqing Patentee before: CSGC TRW CHASSIS SYSTEMS CO.,LTD. Country or region before: China |