CN210290562U - Return device for brake calipers - Google Patents
Return device for brake calipers Download PDFInfo
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- CN210290562U CN210290562U CN201920520783.4U CN201920520783U CN210290562U CN 210290562 U CN210290562 U CN 210290562U CN 201920520783 U CN201920520783 U CN 201920520783U CN 210290562 U CN210290562 U CN 210290562U
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- friction plate
- bearing
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Abstract
The utility model discloses a return means for brake caliper, including being used for providing the support and can providing the return spring that makes it carry out the elastic force of return to the friction disc, return spring sets up on the friction disc. The utility model discloses a return means for brake caliper has support and return function, can satisfy the return requirement of friction disc, reduces and drags, saves space, conveniently arranges.
Description
Technical Field
The utility model belongs to the technical field of the stopper, specifically speaking, the utility model relates to a return means for brake caliper.
Background
The disc brake has excellent heat dissipation and high braking stability, and thus occupies an important position in a braking system. Due to the limitation of the existing structure, the disc brake has a dragging phenomenon, so that the abrasion between the friction plate and the brake disc is accelerated, and the oil consumption of the whole vehicle is increased. Although the disc brake is generally accepted in the industry at present to be provided with a brake pad returning device to reduce dragging, the existing returning device has poor returning capability, the dragging problem also exists to a certain extent, and the returning device has a complex structural shape and also has the problems of high manufacturing cost and difficulty in installation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a return means for brake caliper, the purpose satisfies the return requirement of friction disc.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the return device for the brake caliper comprises a return spring which is used for supporting the friction plate and providing elastic acting force for returning the friction plate, and the return spring is arranged on the friction plate.
The return springs are provided with two return springs which are arranged at two opposite ends of the friction plate.
The return spring comprises a supporting portion and a return portion, the supporting portion is connected with the friction plate and located in the sliding groove of the caliper support, the return portion is connected with the supporting portion and abutted to the caliper support, and the return portion is located outside the sliding groove of the caliper support.
The return portion comprises a first supporting section connected with the supporting portion and a contact section connected with the first supporting section and abutted to the caliper support.
The contact section is of an arc-shaped structure, the contact section is provided with a contact surface for contacting with the caliper support, the contact surface is an arc surface, and the axis of the contact surface is parallel to the length direction of the friction plate.
An included angle is formed between the first supporting section and the supporting part, and the included angle is increased or decreased along with the movement of the friction plate.
The supporting part comprises a fixing part, a bearing part and a second supporting section, wherein the fixing part is sleeved on the support lug of the friction plate, the bearing part is connected with the fixing part and located between the inner wall surfaces of the support lug and the sliding groove, the second supporting section is connected with the fixing part and the first supporting section, and the second supporting section and the return part are located on the same side of the fixing part.
The fixing part is of a U-shaped structure, the bearing part is connected with one end of the fixing part, and the second supporting section is connected with the other end of the fixing part.
The bearing part comprises a first bearing section connected with the fixing part and a second bearing section connected with the first bearing section and located between the first bearing section and the inner wall surface of the sliding chute, and the second bearing section is in contact with the inner wall surface of the sliding chute.
The return spring also comprises a warning part which is arranged on the supporting part and exceeds the lining plate of the friction plate.
The utility model discloses a return means for brake caliper has support and return function, can satisfy the return requirement of friction disc, reduces and drags, saves space, conveniently arranges.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of a return device for a brake caliper according to the present invention;
FIG. 2 is a schematic view of a return spring;
FIG. 3 is a front view of the return device for brake calipers of the present invention;
labeled as: 1. a first bearing section; 2. a second bearing section; 3. a friction plate; 301. a liner plate; 302. supporting a lug; 303. a friction plate body; 304. riveting; 4. a caliper bracket; 5. a first support section; 6. a second support segment; 7. a contact section; 8. a first connection section; 9. a second connection section; 10. a third connection section; 11. Mounting holes; 12. a contact surface; 13. a warning section; 14. and (5) reinforcing ribs.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in fig. 1 to 3, the utility model provides a return means for brake caliper, including being used for providing the support and can providing the return spring that makes it carry out the elastic force of return to the friction disc, return spring sets up on the friction disc.
Specifically, as shown in fig. 1 to 3, two return springs are provided and two return springs are provided at opposite ends of the friction plate, the brake caliper includes a caliper support 4 for guiding the friction plate, the caliper support 4 has two parallel sliding grooves, and opposite ends of the friction plate are respectively embedded in the two sliding grooves of the caliper support 4. The friction disc includes welt 301 and sets up friction disc body 303 and the journal stirrup 302 on welt 301, friction disc body 303 sets up on the side of the face of welt 301 towards the brake disc, friction disc body 303 is used for contacting in order to produce braking torque with the brake disc, welt 301 has certain length, journal stirrup 302 is provided with two, two journal stirrups 302 set up respectively in the ascending both ends of length direction of welt 301, journal stirrup 302 stretches out towards the outside of welt 301 along the length direction of welt 301, each journal stirrup 302 imbeds respectively in a spout of calliper support 4, and set up a return spring on each journal stirrup 302 respectively, welt 301 is located between two return springs.
As shown in fig. 1 to 3, the return spring is adapted to provide support to the friction pad in a first direction parallel to the longitudinal direction of the friction pad (i.e. the longitudinal direction of the backing plate 301, which is perpendicular to the direction of movement of the friction pad when it is moved relative to the caliper bracket 4) and spatially perpendicular to the axis of the brake disc. The return spring comprises a supporting portion and a return portion, the supporting portion is connected with the friction plate and located in a sliding groove of the caliper support 4, the return portion is connected with the supporting portion and abutted to the caliper support 4, the supporting portion is used for supporting the friction plate, the return portion is used for providing elastic acting force for enabling the friction plate to return, the return portion is located outside the sliding groove of the caliper support 4, one end of the return portion is fixedly connected with the supporting portion, and the other end of the return portion is in contact with the outer wall surface of the caliper support 4. The support portion is located in the sliding slot, and when the friction plate moves relative to the caliper support 4 along the sliding slot, the friction plate drives the support portion to move synchronously.
As shown in fig. 1 to 3, the return portion includes a first support section 5 connected to the support portion and a contact section 7 connected to the first support section 5 and abutting against the caliper bracket 4. The first supporting section 5 has a certain length, the first supporting section 5 is of a sheet structure, the thickness of the first supporting section 5 is small, the length direction of the first supporting section 5 is spatially perpendicular to the length direction of the friction plate, one end of the first supporting section 5 in the length direction is fixedly connected with the supporting part, the first supporting section and the supporting part are in circular arc transition, the other end of the first supporting section 5 in the length direction is fixedly connected with the contact section 7, and the first supporting section and the supporting part are in circular arc transition. The first supporting section 5 is over against the sliding groove of the caliper support 4, the first supporting section 5 and the support lug 302 are on the same straight line parallel to the second direction, the second direction is perpendicular to the first direction and parallel to the axis of the brake disc, an included angle is formed between the length direction of the first supporting section 5 and the second direction, the included angle is an acute angle, and an included angle is also formed between the length direction of the first supporting section 5 and the first direction, and the included angle is an acute angle.
As shown in fig. 1 to 3, the contact section 7 is preferably in a circular arc shape, the contact section 7 has a contact surface 12 for contacting with the caliper bracket 4, the contact surface 12 is a circular arc surface, and an axis of the contact surface 12 is parallel to a length direction of the friction plate. The contact surface 12 of the contact section 7 is the outer wall surface of the contact section 7 facing the caliper bracket 4, the contact surface 12 being in contact with an outer wall surface of the caliper bracket 4, the outer wall surface of the caliper bracket 4 being a plane parallel to the first direction and perpendicular to the second direction. The radian of the contact section 7 is 180 degrees, and one end of the contact section 7 in the arc length direction is fixedly connected with the first supporting section 5. The radian of the contact surface 12 is the same as that of the contact section 7, and the contact section 7 slides relative to the caliper support 4 along the first direction in the moving process of the friction plate, so that the arc-shaped contact surface 12 is arranged on the contact section 7, the arc-shaped contact surface 12 can be always in contact with the caliper support 4, and the return part can always provide return force for the friction plate, so that the friction plate can be accurately returned in time.
As shown in fig. 1 to 3, the returning part preferably further includes a reinforcing rib 14 provided on the first support section 5, the reinforcing rib 14 is located at a middle position in the longitudinal direction of the first support section 5, the reinforcing rib 14 extends outward of the first support section 5 in the width direction of the first support section 5, and the width direction of the first support section 5 is parallel to the longitudinal direction of the friction plate. The reinforcing ribs 14 are provided with two reinforcing ribs 14, two ends of each reinforcing rib 14 in the width direction of the first supporting section 5 are fixedly connected with the first supporting section 5, and the first supporting section 5 is located between the two reinforcing ribs 14. The reinforcing ribs 14 are arranged on the first supporting section 5, so that the rigidity of the returning part can be improved, the shape of the returning part in the length direction is kept, the returning reliability of the friction plate is improved, and dragging is reduced.
As shown in fig. 1 to 3, it is preferable that the reinforcing rib 14 has an arcuate structure, the curvature of the reinforcing rib 14 is less than 180 degrees, and the axis of the reinforcing rib 14 is perpendicular to the longitudinal direction of the first support section 5 and is spatially perpendicular to the axis of the contact section 7.
As shown in fig. 1 to 3, an included angle is formed between the first support section 5 and the support portion, and the included angle increases or decreases with the movement of the friction plate. When braking is needed, the friction plate moves towards the direction close to the brake disc, the support lug 302 of the friction plate drives the support part to move synchronously in the sliding groove of the caliper support 4, the first support section 5 deflects relative to the support part, the contact section 7 is in contact with the outer wall surface of the caliper support 4, the included angle between the first support section 5 and the support part is gradually increased, and the return part generates elastic deformation; after braking, the deformation is recovered to return portion, and return portion produces the elastic force that makes the friction disc carry out the return, and the elastic force that return portion produced transmits to the friction disc through the supporting part for the friction disc moves towards the direction of keeping away from the brake disc, and friction disc and brake disc separation, first support section 5 deflect for the supporting part, and contact section 7 contacts with the outer wall of calliper support 4, and the contained angle between first support section 5 and the supporting part reduces gradually.
As shown in fig. 1 to fig. 3, the supporting portion includes a fixing portion sleeved on the lug 302 of the friction plate, a bearing portion connected to the fixing portion and located between the lug 302 and the inner wall surface of the sliding chute, and a second supporting section 6 connected to the fixing portion and the first supporting section 5, wherein the second supporting section 6 and the return portion are located on the same side of the fixing portion. The second supporting section 6 has a certain length, the second supporting section 6 is of a rectangular sheet structure, the second supporting section 6 extends out towards the outer side of the fixing part, the length direction of the second supporting section 6 is parallel to the axis of the contact section 7, one end of the second supporting section 6 in the length direction is fixedly connected with one end of the first supporting section 5 in the length direction, arc transition is formed between the two ends, the other end of the second supporting section 6 in the length direction is connected with the fixing part, and arc transition is formed between the two ends. The support lug 302 is a rectangular block structure, the fixing part is a U-shaped structure, the bearing part is connected with one end of the fixing part, and the second support section 6 is connected with the other end of the fixing part. The fixing part comprises a first connecting section 8, a second connecting section 9 and a third connecting section 10 which are connected in sequence, the first connecting section 8, the second connecting section 9 and the third connecting section 10 are all rectangular sheet structures, the first connecting section 8, the second connecting section 9 and the third connecting section 10 are all of certain lengths, the length directions of the first connecting section 8 and the third connecting section 10 are parallel to a first direction, the length direction of the second connecting section 9 is parallel to a second direction, one end of the second connecting section 9 in the length direction is fixedly connected with one end of the first connecting section 8 in the length direction, arc transition is formed between the first connecting section 8 and the third connecting section, the other end of the second connecting section 9 in the length direction is fixedly connected with one end of the third connecting section 10 in the length direction, arc transition is formed between the first connecting section and the third connecting section, the other end of the first connecting section 8 in the length direction is fixedly connected with the bearing part, and arc transition is formed between the first connecting section and the third, the other end of the third connecting section 10 in the length direction is fixedly connected with one end of the second supporting section 6 in the length direction, the third connecting section 10 and the second supporting section are in arc transition, and the length of the third connecting section 10 is smaller than that of the first connecting section 8.
As shown in fig. 1 to 3, the return spring is preferably mounted on the lug 302 of the friction plate by riveting, and the first connecting section 8 has a mounting hole for passing the rivet, and the mounting hole is a circular hole. The U-shaped fixing portion ensures that the return spring is firmly connected with the support lug 302, the return spring cannot loosen and fall off, and abnormal sound is prevented from being generated in the running process of the vehicle.
As shown in fig. 1 to 3, the bearing portion is used for supporting the friction plate in the first direction, and the bearing portion has elasticity, so that a smaller pretightening force exists in the sliding process of the friction plate, and the sliding of the friction plate is more smooth and stable. The bearing part comprises a first bearing section 1 connected with the fixing part and a second bearing section 2 connected with the first bearing section 1 and located between the first bearing section 1 and the inner wall surface of the sliding chute, the second bearing section 2 is in contact with the inner wall surface of the sliding chute, and the inner wall surface of the sliding chute is a plane which is perpendicular to the first direction and parallel to the second direction. First bearing section 1 and second bearing section 2 are rectangle sheet structure, first bearing section 1 and second bearing section 2 all have certain length, the length direction and the second direction of first bearing section 1 and second bearing section 2 parallel, the length direction of first bearing section 1 parallels with the length direction of second linkage segment 9, first bearing section 1, first linkage segment 8, second linkage segment 9 and third linkage segment 10 laminate with four outer wall of journal stirrup 302 respectively, journal stirrup 302 is located between first bearing section 1 and second linkage segment 9. One end in the length direction of the first bearing section 1 is fixedly connected with one end in the length direction of the first connecting section 8, arc transition is formed between the two ends, the other end in the length direction of the first bearing section 1 is fixedly connected with one end in the length direction of the second bearing section 2, arc transition is formed between the two ends, and the vertical distance between the second supporting section 6 and the second connecting section 9 is larger than the vertical distance between the second supporting section 6 and the first bearing section 1. A gap is reserved between the first bearing section 1 and the second bearing section 2, and the formed bearing part is of a U-shaped structure. The friction plate is supported by the bearing part, stable and smooth sliding of the friction plate is guaranteed, the structure is simple and compact, the occupied space is small, and arrangement in the sliding groove is convenient.
As shown in fig. 1 to 3, after the brake caliper is used for a long time, the friction plate is worn, the thickness of the friction plate body 303 (the thickness direction of the friction plate body 303 is parallel to the second direction) is reduced, the return spring further includes a warning portion 13 disposed on the supporting portion and extending beyond the lining plate 301 of the friction plate, and the warning portion 13 is configured to contact with the brake disc when the thickness of the friction plate body 303 is reduced to a set value, so as to generate a mechanical warning sound. One end of the second bearing section 2 in the length direction is fixedly connected with the first bearing section 1, the warning part 13 is arranged at the other end of the second bearing section 2 in the length direction, and the warning part 13 is of a sheet structure. The supporting portion is located in the length direction of the lining plate 301, the warning portion 13 is located in the length direction of the friction plate body 303, and the length direction of the friction plate body 303 is parallel to the length direction of the lining plate 301. Warning portion 13 stretches out towards the outside of second bearing section 2, warning portion 13 has first end and second end, first end and second end are the relative both ends on the length direction of warning portion 13, the first end and the 2 fixed connection of second bearing section of warning portion 13, the second end of warning portion 13 surpasss welt 301, the perpendicular distance between the second end of warning portion 13 and the brake disc is less than the perpendicular distance between welt 301 and the brake disc, the second end of warning portion 13 is used for contacting with the brake disc when the thickness of friction disc body 303 reduces to the setting value, in order to produce mechanical alarm, and then can remind the driver to change the friction disc.
Preferably, the warning portion 13 extends beyond the lining plate 3012mm of the friction plate, i.e. the vertical distance between the second end of the warning portion 13 and the brake disc is 2mm less than the vertical distance between the lining plate 301 and the brake disc. When the friction plate is worn to a set value in the running process of the vehicle, the warning part 13 rubs with the rotating brake disc, so that vibration is generated, a harsh sound is produced, and an alarm effect is achieved.
As a modified embodiment, the warning portion 13 may be disposed on the first connecting section 8 or the second connecting section 9, and the first end of the warning portion 13 is disposed to be fixedly connected to the first connecting section 8 or the second connecting section 9, and the warning portion 13 needs to be beyond the lining 3012mm of the friction plate.
The return spring is made of spring steel, can be formed by punching one plate, and is convenient to process. The return means of above-mentioned structure adopts return spring, has following advantage for current brake caliper return means:
(1) when braking is finished, the return structure enables the brake disc and the friction plate to be separated, and dragging is reduced;
(2) the return spring has a friction plate supporting function and a friction plate return structure, so that the space is saved;
(3) the return spring has simple structure and is easy to bend and punch;
(4) the return spring is integrated with a warning part 13, and the return spring can also play a warning role, so that an additional warning sheet is not needed, and the cost is reduced.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (7)
1. Return means for brake caliper, its characterized in that: the return spring is used for supporting the friction plate and providing elastic acting force for returning the friction plate, and the return spring is arranged on the friction plate;
the return spring comprises a supporting part which is connected with the friction plate and is positioned in the sliding groove of the caliper support and a return part which is connected with the supporting part and is abutted against the caliper support, and the return part is positioned outside the sliding groove of the caliper support;
the return part comprises a first supporting section connected with the supporting part and a contact section connected with the first supporting section and abutted against the caliper bracket;
the supporting part comprises a fixing part, a bearing part and a second supporting section, wherein the fixing part is sleeved on the support lug of the friction plate, the bearing part is connected with the fixing part and located between the inner wall surfaces of the support lug and the sliding groove, the second supporting section is connected with the fixing part and the first supporting section, and the second supporting section and the return part are located on the same side of the fixing part.
2. A return device for brake calipers according to claim 1, characterized in that: the return springs are provided with two return springs which are arranged at two opposite ends of the friction plate.
3. A return device for brake calipers according to claim 1, characterized in that: the contact section is of an arc-shaped structure, the contact section is provided with a contact surface for contacting with the caliper support, the contact surface is an arc surface, and the axis of the contact surface is parallel to the length direction of the friction plate.
4. A return device for brake calipers according to claim 1, characterized in that: an included angle is formed between the first supporting section and the supporting part, and the included angle is increased or decreased along with the movement of the friction plate.
5. The return device for brake calipers according to any one of claims 1 to 4, wherein: the fixing part is of a U-shaped structure, the bearing part is connected with one end of the fixing part, and the second supporting section is connected with the other end of the fixing part.
6. A return device for brake calipers according to claim 5, characterized in that: the bearing part comprises a first bearing section connected with the fixing part and a second bearing section connected with the first bearing section and located between the first bearing section and the inner wall surface of the sliding chute, and the second bearing section is in contact with the inner wall surface of the sliding chute.
7. The return device for brake calipers according to any one of claims 1 to 4, wherein: the return spring also comprises a warning part which is arranged on the supporting part and exceeds the lining plate of the friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520783.4U CN210290562U (en) | 2019-04-17 | 2019-04-17 | Return device for brake calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520783.4U CN210290562U (en) | 2019-04-17 | 2019-04-17 | Return device for brake calipers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290562U true CN210290562U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920520783.4U Active CN210290562U (en) | 2019-04-17 | 2019-04-17 | Return device for brake calipers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375025A (en) * | 2019-04-17 | 2019-10-25 | 芜湖伯特利汽车安全系统股份有限公司 | Brake caliper returning device |
-
2019
- 2019-04-17 CN CN201920520783.4U patent/CN210290562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375025A (en) * | 2019-04-17 | 2019-10-25 | 芜湖伯特利汽车安全系统股份有限公司 | Brake caliper returning device |
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