CN110375025B - Return device for brake calipers - Google Patents
Return device for brake calipers Download PDFInfo
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- CN110375025B CN110375025B CN201910308597.9A CN201910308597A CN110375025B CN 110375025 B CN110375025 B CN 110375025B CN 201910308597 A CN201910308597 A CN 201910308597A CN 110375025 B CN110375025 B CN 110375025B
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- supporting
- support
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- 230000007704 transition Effects 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
- F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
- F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
- F16D65/0974—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces acting on or in the vicinity of the pad rim in a direction substantially transverse to the brake disc axis
- F16D65/0977—Springs made from sheet metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/185—Leaf springs characterised by shape or design of individual leaves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a return device for a brake caliper, which comprises a return spring, wherein the return spring is used for supporting a friction plate and providing elastic acting force for returning the friction plate, and the return spring is arranged on the friction plate. The return device for the brake calipers has the functions of supporting and returning, can meet the return requirement of the friction plate, reduces dragging, saves space and is convenient to arrange.
Description
Technical Field
The invention belongs to the technical field of brakes, and particularly relates to a return device for a brake caliper.
Background
The disc brake has a high braking stability due to its excellent heat dissipation, and thus plays an important role in the braking system. Due to the limitation of the existing structure, the disc brake has the dragging phenomenon, so that the abrasion of a friction plate and a brake disc is accelerated, and the problem of increased fuel consumption of the whole vehicle is caused. Although the brake pad return device is commonly and simultaneously arranged on the disc brake in the industry at present to reduce dragging, the existing return device has poor return capability, the dragging problem can also exist to a certain extent, the structure and the shape of the return device are complex, and the problems of high manufacturing cost and difficult installation also exist.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a return device for a brake caliper, and aims to meet the return requirement of a friction plate.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: 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 two return springs are arranged at two opposite ends of the friction plate.
The return spring comprises a supporting part connected with the friction plate and positioned in the sliding groove of the caliper bracket and a return part connected with the supporting part and abutted against the caliper bracket, and the return part is positioned outside the sliding groove of the caliper bracket.
The return part comprises a first supporting section connected with the supporting part and a contact section connected with the first supporting section and propped against the caliper bracket.
The contact section is of a circular arc structure, the contact section is provided with a contact surface for contacting with the caliper bracket, the contact surface is of a circular 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 increases or decreases along with the movement of the friction plate.
The supporting part comprises a fixing part sleeved on the supporting lugs of the friction plate, a bearing part connected with the fixing part and positioned between the supporting lugs and the inner wall surface of the sliding groove, and a second supporting section connected with the fixing part and the first supporting section, wherein the second supporting section and the return part are positioned on the same side of the fixing part.
The fixed part is of a U-shaped structure, the bearing part is connected with one end of the fixed part, and the second support section is connected with the other end of the fixed 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 positioned between the first bearing section and the inner wall surface of the chute, and the second bearing section is contacted with the inner wall surface of the 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 return device for the brake calipers has the functions of supporting and returning, can meet the return requirement of the friction plate, reduces dragging, saves space and is convenient to arrange.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic view of a return device for a brake caliper according to the present invention;
FIG. 2 is a schematic structural view of a return spring;
FIG. 3 is a front view of the return device for a brake caliper according to the present invention;
Marked in the figure as: 1. a first load-bearing section; 2. a second load-bearing section; 3. a friction plate; 301. a lining plate; 302. a support lug; 303. a friction plate body; 304. a rivet; 4. a caliper bracket; 5. a first support section; 6. a second support section; 7. a contact section; 8. a first connection section; 9. a second connection section; 10. a third connecting section; 11. A mounting hole; 12. a contact surface; 13. a warning part; 14. reinforcing ribs.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.
It should be noted that, in the following embodiments, the "first", "second" and "third" do not represent an absolute distinction between structures and/or functions, and do not represent a sequential order of execution, but are merely for convenience of description.
As shown in fig. 1 to 3, the present invention provides a return device for a brake caliper, which includes a return spring for supporting a friction plate and providing an elastic force for returning the friction plate, the return spring being provided on the friction plate.
Specifically, as shown in fig. 1 to 3, two return springs are provided at opposite ends of the friction plate, the brake caliper includes a caliper bracket 4 for guiding the friction plate, the caliper bracket 4 has a sliding groove, the sliding groove is provided in parallel with two, and the opposite ends of the friction plate are respectively embedded in the two sliding grooves of the caliper bracket 4. The friction disc comprises a lining plate 301, a friction disc body 303 and lugs 302, wherein the friction disc body 303 and lugs 302 are arranged on the lining plate 301, the friction disc body 303 is arranged on the side face, facing the brake disc, of the lining plate 301, the friction disc body 303 is used for being in contact with the brake disc to generate braking torque, the lining plate 301 is of a certain length, two lugs 302 are respectively arranged at two ends of the lining plate 301 in the length direction, the lugs 302 extend towards the outer side of the lining plate 301 in the length direction of the lining plate 301, each lug 302 is respectively embedded into one sliding groove of the caliper bracket 4, each lug 302 is respectively provided with one return spring, and the lining plate 301 is positioned between the two return springs.
As shown in fig. 1-3, the return spring is used to provide support to the friction plate in a first direction that is parallel to the length of the friction plate (i.e., the length of the backing plate 301, which is perpendicular to the direction of movement of the friction plate as it moves relative to the caliper bracket 4) and is spatially perpendicular to the axis of the brake disc. The return spring includes the supporting part that is connected and is located the spout of calliper support 4 with the friction disc and is connected and the return portion that contradicts with calliper support 4 with the supporting part, and the supporting part is used for providing the support to the friction disc, and the return portion is used for providing the elastic force that makes it return to the friction disc, and the return portion is located the outside of the spout of calliper support 4, and the one end and the supporting part fixed connection of return portion, the other end and the outer wall surface of calliper support 4 of return portion contact. The support part is positioned in the sliding groove, and when the friction plate moves along the sliding groove relative to the caliper bracket 4, the friction plate drives the support part to synchronously move.
As shown in fig. 1 to 3, the return portion comprises a first support section 5 connected to the support portion and a contact section 7 connected to the first support section 5 and interfering with the caliper bracket 4. The first support section 5 has a certain length, the first support section 5 is of a sheet-shaped structure, the thickness of the first support section 5 is smaller, the length direction of the first support section 5 is vertical to the length direction of the friction plate in space, one end of the first support section 5 in the length direction is fixedly connected with the support part, the first support section 5 and the support part are in arc transition, the other end of the first support section 5 in the length direction is fixedly connected with the contact section 7, and the first support section and the contact section are in arc transition. The first supporting section 5 is opposite to the sliding groove of the caliper bracket 4, the first supporting section 5 and the supporting lugs 302 are positioned on the same straight line parallel to the second direction, the second direction is perpendicular to the first direction, the second direction is 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, preferably, the contact section 7 has a circular arc shape, and the contact section 7 has a contact surface 12 for contacting the caliper bracket 4, wherein the contact surface 12 has a circular arc shape and an axis of the contact surface 12 is parallel to a longitudinal direction of the friction plate. The contact surface 12 of the contact section 7 is an outer wall surface of the contact section 7 facing the caliper bracket 4, the contact surface 12 is in contact with an outer wall surface of the caliper bracket 4, and the outer wall surface of the caliper bracket 4 is 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 support section 5. The radian of the contact surface 12 is the same as the radian of the contact section 7, and the contact section 7 slides along the first direction relative to the caliper bracket 4 in the moving process of the friction plate, so that the contact section 7 is provided with the arc-shaped contact surface 12, the arc-shaped contact surface 12 can always keep in a contact state with the caliper bracket 4, and the return part can always provide return force for the friction plate, so that the timely and accurate return of the friction plate is ensured.
As shown in fig. 1 to 3, preferably, the return portion further includes a reinforcing rib 14 provided on the first support section 5, the reinforcing rib 14 being located at an intermediate position in the longitudinal direction of the first support section 5, the reinforcing rib 14 extending toward the outside of the first support section 5 in the width direction of the first support section 5, the width direction of the first support section 5 being parallel to the longitudinal direction of the friction plate. The reinforcing ribs 14 are provided in two and the two reinforcing ribs 14 are fixedly connected with the first supporting section 5 at both ends of the first supporting section 5 in the width direction, respectively, and the first supporting section 5 is located between the two reinforcing ribs 14. The first supporting section 5 is provided with the reinforcing ribs 14, so that the rigidity of the return part can be improved, the shape of the return part in the length direction is kept, the return reliability of the friction plate is improved, and the dragging is reduced.
As shown in fig. 1 to 3, preferably, the reinforcing rib 14 has an arcuate structure, the arc of the reinforcing rib 14 is less than 180 degrees, and the axis of the reinforcing rib 14 is perpendicular to the length direction of the first supporting section 5 and is spatially perpendicular to the axis of the contact section 7.
As shown in fig. 1 to 3, the first supporting section 5 forms an angle with the supporting portion and the 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 lugs 302 of the friction plate drive the supporting parts to synchronously move in the sliding grooves of the caliper bracket 4, the first support section 5 deflects relative to the supporting parts, the contact section 7 contacts with the outer wall surface of the caliper bracket 4, the included angle between the first support section 5 and the supporting parts is gradually increased, and the return parts elastically deform; after braking is finished, the return part is deformed in a recovery mode, elastic acting force for returning the friction plate is generated by the return part, the elastic acting force generated by the return part is transmitted to the friction plate through the supporting part, the friction plate moves towards a direction away from the brake disc, the friction plate is separated from the brake disc, the first supporting section 5 deflects relative to the supporting part, the contact section 7 contacts with the outer wall surface of the caliper bracket 4, and an included angle between the first supporting section 5 and the supporting part is gradually reduced.
As shown in fig. 1 to 3, the supporting portion includes a fixing portion sleeved on the lug 302 of the friction plate, a bearing portion connected with the fixing portion and located between the lug 302 and an inner wall surface of the chute, and a second supporting portion 6 connected with the fixing portion and the first supporting portion 5, where the second supporting portion 6 and the return portion are located on the same side of the fixing portion. The second support section 6 has a certain length, the second support section 6 is of a rectangular sheet structure, the second support section 6 extends towards the outer side of the fixing part, the length direction of the second support section 6 is parallel to the axis of the contact section 7, one end of the second support section 6 in the length direction is fixedly connected with one end of the first support section 5 in the length direction, the two ends are in arc transition, and the other end of the second support section 6 in the length direction is connected with the fixing part, and the two ends are in arc transition. The support lug 302 is of a rectangular block structure, the fixing portion is of a U-shaped structure, the bearing portion is connected with one end of the fixing portion, and the second support section 6 is connected with the other end of the fixing portion. The fixed part is including the first linkage segment 8 that connects gradually, second linkage segment 9 and third linkage segment 10, first linkage segment 8, second linkage segment 9 and third linkage segment 10 are rectangle slice structure, first linkage segment 8, second linkage segment 9 and third linkage segment 10 all have certain length, the length direction of first linkage segment 8 and third linkage segment 10 is parallel with first direction, the length direction of second linkage segment 9 is parallel with the second direction, the one end fixed connection in length direction of second linkage segment 9 and the one end fixed connection in length direction of first linkage segment 8 and be the circular arc transition between the two, the other end fixed connection in length direction of second linkage segment 9 and the one end fixed connection in length direction of third linkage segment 10 and be the circular arc transition between the two, the other end in length direction of first linkage segment 8 and the bearing part fixed connection and be the circular arc transition between the two, the other end in length direction of third linkage segment 10 and the one end fixed connection in length direction of second support segment 6 and be the circular arc transition between the two, the length of third linkage segment 10 is less than the length of first linkage segment 8.
As shown in fig. 1 to 3, the return spring is preferably mounted on the lugs 302 of the friction plate by means of riveting, the first connecting section 8 having a mounting hole for the rivet to pass through, the mounting hole being a circular hole. The U-shaped fixing part ensures that the return spring is firmly connected with the support lugs 302, and the return spring cannot loosen and fall off, so that 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 providing support for the friction plate in the first direction, and has elasticity, so that the friction plate is ensured to have smaller pretightening force in the sliding process, and the sliding of the friction plate is ensured to be smoother and more 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 positioned between the first bearing section 1 and the inner wall surface of the chute, wherein the second bearing section 2 is in contact with the inner wall surface of the chute, and the inner wall surface of the chute is a plane perpendicular to the first direction and parallel to the second direction. The first bearing section 1 and the second bearing section 2 are rectangular sheet structures, the first bearing section 1 and the second bearing section 2 are provided with a certain length, the length direction of the first bearing section 1 and the length direction of the second bearing section 2 are parallel to the second direction, the length direction of the first bearing section 1 is parallel to the length direction of the second connecting section 9, the first bearing section 1, the first connecting section 8, the second connecting section 9 and the third connecting section 10 are respectively attached to four outer wall surfaces of the supporting lugs 302, and the supporting lugs 302 are positioned between the first bearing section 1 and the second connecting section 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 and is in arc transition, 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 and is in arc transition, and the vertical distance between the second supporting section 6 and the second connecting section 9 is greater than the vertical distance between the second supporting section 6 and the first bearing section 1. A gap is formed between the first bearing section 1 and the second bearing section 2, and the formed bearing part is of a U-shaped structure. The bearing part has good supporting capability on the friction plate, ensures that the friction plate slides stably and smoothly, has simple and compact structure and small occupied space, and is convenient for arrangement in the chute.
As shown in fig. 1 to 3, after the brake caliper is used for a long time, the friction plate will wear, the thickness of the friction plate body 303 (the thickness direction of the friction plate body 303 is parallel to the second direction) will decrease, the return spring further includes a warning portion 13 disposed on the support portion and beyond the lining plate 301 of the friction plate, and the warning portion 13 is used to contact with the brake disc when the thickness of the friction plate body 303 decreases to a set value, so as to generate a mechanical warning sound. One end in the length direction of the second bearing section 2 is fixedly connected with the first bearing section 1, the warning part 13 is arranged at the other end in the length direction of the second bearing section 2, and the warning part 13 is of a sheet-shaped structure. The support portion is located in the longitudinal direction of the lining plate 301, the warning portion 13 is located in the longitudinal direction of the friction plate body 303, and the longitudinal direction of the friction plate body 303 is parallel to the longitudinal direction of the lining plate 301. The warning portion 13 stretches out towards the outside of the second bearing section 2, the warning portion 13 is provided with a first end and a second end, the first end and the second end are opposite ends in the length direction of the warning portion 13, the first end of the warning portion 13 is fixedly connected with the second bearing section 2, the second end of the warning portion 13 extends beyond the lining plate 301, the vertical distance between the second end of the warning portion 13 and the brake disc is smaller than the vertical distance between the lining plate 301 and the brake disc, and the second end of the warning portion 13 is used for being in contact with the brake disc when the thickness of the friction plate body 303 is reduced to a set value so as to generate mechanical warning sounds, and then a driver can be reminded of replacing a friction plate.
Preferably, the warning portion 13 extends beyond the backing 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 smaller than the vertical distance between the backing 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 and harshness sound are generated, and a warning effect is achieved.
As a variant embodiment, the warning portion 13 may be disposed on the first connection section 8 or the second connection section 9, where the first end of the warning portion 13 is disposed in fixed connection with the first connection section 8 or the second connection section 9, and the warning portion 13 needs to exceed the lining board 3012mm of the friction plate.
The return spring is made of spring steel, and can be formed by stamping a plate, so that the processing is convenient. The return device with the structure adopts the return spring, and has the following advantages relative to the existing brake caliper return device:
(1) When braking is finished, the return structure separates the brake disc from the friction plate, so that dragging is reduced;
(2) The return spring has the supporting function of the friction plate and the return structure of the friction plate, so that the space is saved;
(3) The return spring has a simple structure and is easy to bend and punch;
(4) The return spring is integrated with the warning part 13, and the return spring can also play a role in warning, so that an alarm piece is not required to be additionally arranged, and the cost is reduced.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (4)
1. The return device for the brake calipers is characterized in that: the device comprises a return spring, a friction plate and a spring, wherein the return spring is used for supporting the friction plate and providing elastic acting force for returning the friction plate;
The return spring is used for providing support for the friction plate in a first direction, the first direction is parallel to the length direction of the friction plate, and the first direction is vertical to the axis of the brake disc in space; the return spring comprises a supporting part connected with the friction plate and positioned in the chute of the caliper bracket and a return part connected with the supporting part and propped against the caliper bracket, the supporting part is used for supporting the friction plate, the return part is used for providing elastic acting force for returning the friction plate, the return part is positioned outside the chute of the caliper bracket, one end of the return part is fixedly connected with the supporting part, and the other end of the return part is contacted with the outer wall surface of the caliper bracket; the support part is positioned in the sliding groove, and when the friction plate moves along the sliding groove relative to the caliper bracket, the friction plate drives the support part to synchronously move;
The return part comprises a first supporting section connected with the supporting part and a contact section connected with the first supporting section and propped against the caliper bracket; the first support section is of a sheet-shaped structure, the length direction of the first support section is vertical to the length direction of the friction plate in space, one end of the first support section in the length direction is fixedly connected with the support part, the first support section and the support part are in arc transition, and the other end of the first support section in the length direction is fixedly connected with the contact section, and the first support section and the contact section are in arc transition; the first support section is opposite to the chute of the caliper bracket, the first support section and the support lugs are positioned 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 support section 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 support section and the first direction, and the included angle is an acute angle;
The return part also comprises a reinforcing rib arranged on the first support section, the reinforcing rib extends towards the outer side of the first support section along the width direction of the first support section, and the width direction of the first support section is parallel to the length direction of the friction plate; the two reinforcing ribs are arranged and are fixedly connected with the first supporting section at two ends of the first supporting section in the width direction respectively, and the first supporting section is positioned between the two reinforcing ribs;
an included angle is formed between the first supporting section and the supporting part, and the included angle increases or decreases along 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 part is driven by the lugs of the friction plate to synchronously move in the sliding grooves of the caliper bracket, the first support section deflects relative to the support part, the contact section contacts with the outer wall surface of the caliper bracket, the included angle between the first support section and the support part is gradually increased, and the return part elastically deforms; after braking is finished, the return part is restored to deform, the return part generates elastic acting force for returning the friction plate, the elastic acting force generated by the return part is transmitted to the friction plate through the supporting part, so that the friction plate moves towards a direction far away from the brake disc, the friction plate is separated from the brake disc, the first supporting section deflects relative to the supporting part, the contact section contacts with the outer wall surface of the caliper bracket, and the included angle between the first supporting section and the supporting part is gradually reduced;
The supporting part comprises a fixing part sleeved on the support lugs of the friction plate, a bearing part connected with the fixing part and positioned between the support lugs and the inner wall surface of the chute, and a second supporting section connected with the fixing part and the first supporting section, wherein the second supporting section and the return part are positioned on the same side of the fixing part; the second support section has a certain length and is of a rectangular sheet-shaped structure, the second support section extends towards the outer side of the fixing part, the length direction of the second support section is parallel to the axis of the contact section, one end of the second support section in the length direction is fixedly connected with one end of the first support section in the length direction, the two ends of the second support section in the length direction are in arc transition, and the other end of the second support section in the length direction is connected with the fixing part and is in arc transition;
The bearing part is connected with one end of the fixed part, and the second support section is connected with the other end of the fixed part; the fixing part comprises a first connecting section, a second connecting section and a third connecting section which are sequentially connected, the first connecting section, the second connecting section and the third connecting section are of rectangular sheet-shaped structures, the length direction of the first connecting section and the length direction of the third connecting section are parallel to the first direction, the length direction of the second connecting section is parallel to the second direction, one end of the second connecting section in the length direction is fixedly connected with one end of the first connecting section in the length direction and is in arc transition, the other end of the second connecting section in the length direction is fixedly connected with one end of the third connecting section in the length direction and is in arc transition, the other end of the first connecting section in the length direction is fixedly connected with the bearing part and is in arc transition, the other end of the third connecting section in the length direction is fixedly connected with one end of the second supporting section in the length direction and is in arc transition between the two, and the length of the third connecting section is smaller than the length of the first connecting section;
The bearing part is used for supporting the friction plate in the first direction and has elasticity, so that the existence of pretightening force in the sliding process of the friction plate is ensured; 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 positioned between the first bearing section and the inner wall surface of the chute, the second bearing section is contacted with the inner wall surface of the chute, and the inner wall surface of the chute is a plane perpendicular to the first direction and parallel to the second direction; a gap is formed between the first bearing section and the second bearing section, and the formed bearing part is of a U-shaped structure;
the first bearing section and the second bearing section are rectangular sheet structures, the first bearing section and the second bearing section are of a certain length, the length direction of the first bearing section and the length direction of the second bearing section are parallel to the second direction, the length direction of the first bearing section is parallel to the length direction of the second connecting section, the first bearing section, the first connecting section, the second connecting section and the third connecting section are respectively attached to the four outer wall surfaces of the supporting lugs, and the supporting lugs are positioned between the first bearing section and the second connecting section;
One end of the first bearing section in the length direction is fixedly connected with one end of the first connecting section in the length direction, the other end of the first bearing section in the length direction is fixedly connected with one end of the second bearing section in the length direction, the two ends are in arc transition, and the vertical distance between the second supporting section and the second connecting section is larger than the vertical distance between the second supporting section and the first bearing section;
the return spring also comprises a warning part which is arranged on the supporting part and exceeds the lining plate of the friction plate, and the warning part is used for contacting with the brake disc when the thickness of the friction plate body is reduced to a set value so as to generate mechanical warning sound;
one end of the second bearing section in the length direction is fixedly connected with the first bearing section, the warning part is arranged at the other end of the second bearing section in the length direction, and the warning part exceeds the lining plate of the friction plate.
2. The return device for a brake caliper according to claim 1, wherein: the two return springs are arranged at two opposite ends of the friction plate.
3. The return device for a brake caliper according to claim 1, wherein: the reinforcing rib is of an arch structure, the radian of the reinforcing rib is smaller than 180 degrees, and the axis of the reinforcing rib is perpendicular to the length direction of the first supporting section and is perpendicular to the axis of the contact section in space.
4. The return device for a brake caliper according to claim 1, wherein: the return spring is installed on the lugs of the friction plate in a riveting mode, the first connecting section is provided with an installation hole for allowing the rivet to pass through, and the installation hole is a round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308597.9A CN110375025B (en) | 2019-04-17 | 2019-04-17 | Return device for brake calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308597.9A CN110375025B (en) | 2019-04-17 | 2019-04-17 | Return device for brake calipers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110375025A CN110375025A (en) | 2019-10-25 |
| CN110375025B true CN110375025B (en) | 2024-06-25 |
Family
ID=68248637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910308597.9A Active CN110375025B (en) | 2019-04-17 | 2019-04-17 | Return device for brake calipers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207454616U (en) * | 2017-11-22 | 2018-06-05 | 万向钱潮（上海）汽车***有限公司 | One kind takes back bit function clamp spring leaf |
| CN210290562U (en) * | 2019-04-17 | 2020-04-10 | 芜湖伯特利汽车安全***股份有限公司 | Return device for brake calipers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5837343B2 (en) * | 2011-06-30 | 2015-12-24 | 日立オートモティブシステムズ株式会社 | Disc brake |
| JP5916875B2 (en) * | 2012-09-25 | 2016-05-11 | 日立オートモティブシステムズ株式会社 | Disc brake |
| JP5855606B2 (en) * | 2013-06-18 | 2016-02-09 | 日信工業株式会社 | Vehicle disc brake |
| JP6134926B2 (en) * | 2013-06-28 | 2017-05-31 | 日立オートモティブシステムズ株式会社 | Disc brake |
| JP2016194312A (en) * | 2015-03-31 | 2016-11-17 | 日立オートモティブシステムズ株式会社 | Disc brake |
| CN107939869A (en) * | 2017-11-22 | 2018-04-20 | 万向钱潮（上海）汽车***有限公司 | One kind takes back bit function clamp spring leaf |
| CN107906144A (en) * | 2017-12-11 | 2018-04-13 | 浙江力邦合信智能制动***股份有限公司 | A kind of low automobile brake that drags clamps |
| CN109253189B (en) * | 2018-11-28 | 2024-04-26 | 万向钱潮（上海）汽车***有限公司 | Caliper structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207454616U (en) * | 2017-11-22 | 2018-06-05 | 万向钱潮（上海）汽车***有限公司 | One kind takes back bit function clamp spring leaf |
| CN210290562U (en) * | 2019-04-17 | 2020-04-10 | 芜湖伯特利汽车安全***股份有限公司 | Return device for brake calipers |
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