CN117386741A - Active resetting structure for brake friction lining and brake caliper - Google Patents
Active resetting structure for brake friction lining and brake caliper Download PDFInfo
- Publication number
- CN117386741A CN117386741A CN202311550375.0A CN202311550375A CN117386741A CN 117386741 A CN117386741 A CN 117386741A CN 202311550375 A CN202311550375 A CN 202311550375A CN 117386741 A CN117386741 A CN 117386741A
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- Prior art keywords
- reed
- brake
- reset
- return
- active
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 113
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 244000273256 Phragmites communis Species 0.000 claims 3
- 238000009434 installation Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 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
- F16D65/005—Components of axially engaging brakes not otherwise provided for
- F16D65/0068—Brake calipers
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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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
Abstract
The invention discloses an active reset structure for a brake friction lining and a brake caliper, wherein the active reset structure comprises a holding reed and a reset reed, the reset reed is arranged in a limit groove of the holding reed, one end of the reset reed is fixedly connected with the holding reed, and the other end of the reset reed can move in the limit groove of the holding reed; according to the invention, the reset reed is arranged on the holding reed, and the limiting groove of the holding reed is used for providing a moving track for the reset reed, so that the holding reed can realize the active reset function of the brake friction lining while playing a role in limiting and guiding the brake friction lining.
Description
Technical Field
The invention relates to the technical field of automobile chassis braking parts, in particular to an active resetting structure for a braking friction lining and a braking clamp.
Background
The automobile disc brake comprises a brake disc and a brake lining, and the contact friction between the brake lining and the brake disc is used for realizing the braking of the automobile; during braking, the brake disc rotates at a high speed along with the wheel, the corresponding brake friction lining is subjected to tangential friction force of the brake disc, and the brake block deflects to one side and moves in a direction away from the center of the brake disc. The structure of the existing brake caliper is shown in fig. 1, a retaining reed 2 is arranged on a caliper body 1, and the retaining reed 2 can limit and guide the movement of a brake pad relative to a brake disc in the process of moving the brake pad, so that the movement of the brake pad under the action of tangential friction force is prevented from being excessively large. After the braking pressure is relieved, the caliper piston is retracted under the return action of the rectangular sealing ring, and the splayed return spring 3 in a compressed state pushes the inner friction plate 5 and the outer friction plate 6 to move outwards to separate from the brake disc under the action of spring thrust, so that a gap is formed between a brake lining and the brake disc, and the dragging moment of the brake caliper is reduced, and the energy consumption is reduced.
In the structure, the return of the brake friction lining is realized through the splayed return spring 3, but the splayed return spring needs an additional structure for installation, so that the management and assembly cost is increased; in the process of resetting the brake lining, the splayed reset spring cannot uniformly stress the upper side and the lower side, drag is generated, and energy consumption is increased; in addition, the splayed springs are required to be clamped all the time to be in a compressed state in the assembling and replacing processes, so that time and labor are wasted, and labor intensity is increased.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides an active resetting structure for a brake friction lining and a brake caliper, wherein the active resetting function of the brake friction lining is realized by arranging a resetting reed on a holding reed, so that the brake lining is uniformly stressed in resetting, and drag is reduced.
The technical scheme of the invention is as follows:
in a first aspect of the present invention, an active return structure for a brake pad is provided, including a holding reed and a return reed, where the return reed is disposed in a limit groove of the holding reed, one end of the return reed is fixedly connected with the holding reed, and the other end of the return reed can move in the limit groove of the holding reed.
In some embodiments of the invention, the reset reed is an integral part of a door-shaped structure, and two sides of the reset reed, which are contacted with the wall surface of the limit groove of the holding reed, are in an arch-shaped structure.
In some embodiments of the invention, the top of the return spring is provided with a recessed portion fixedly mounted with the retention spring.
In some embodiments of the invention, a mounting piece is arranged at one end of the limit groove of the holding reed, the mounting piece is bent towards the inside of the limit groove, and the mounting piece is connected with the concave part at the top of the reset reed through a rivet or a screw.
In some embodiments of the invention, one end of the mounting piece is connected with the holding reed to form an integral structure, and the other end of the mounting piece is bent to form a limiting part, and the limiting part is perpendicular to the concave part at the top of the reset reed.
In some embodiments of the invention, the width of the reset reed is matched with the width of the limit groove of the holding reed.
In some embodiments of the invention, the retention spring and the return spring are of unitary construction.
In a second aspect of the present invention, there is provided a brake caliper comprising the active return structure of the first aspect, the retaining reed of the active return structure being mounted on the caliper bracket of the brake caliper, the active return structure being disposed on both left and right sides of the brake pad and being disposed symmetrically up and down.
In some embodiments of the present invention, the friction linings comprise a pad, a bottom plate and a brake pad, wherein the left side and the right side of the bottom plate are placed in a limit groove of a holding reed and are connected with a reset reed, the reset reed returns to push the two brake friction linings to move outwards to separate from the brake disc, so that a gap is generated between the brake friction linings and the brake disc, and the reset of the brake friction linings is completed.
In some embodiments of the invention, braking is performed hydraulically.
One or more of the technical schemes of the invention has the following beneficial effects:
(1) According to the active resetting structure for the brake friction lining, the resetting reed is arranged on the holding reed, and the limiting groove of the holding reed is used for providing a moving track for the resetting reed, so that the holding reed can realize the active resetting effect of the brake friction lining while playing a role in limiting and guiding the brake friction lining.
(2) According to the active reset structure for the brake friction lining, the reset reed is arranged into the inverted-V-shaped structure, and the two sides of the reset reed are arranged into the inverted-V-shaped structure, so that the structure has the advantage of high rigidity, and the brake lining can be ensured to return quickly, so that the dragging problem is eliminated.
(3) According to the active reset structure for the brake friction lining, provided by the invention, the reset reed is arranged on the holding reed, so that the limit, guide, reset and other functions of the brake friction lining are integrated on the holding reed, meanwhile, the brake friction lining is uniformly stressed and is separated from the brake disc for reset, and the force is transmitted to the caliper body through the holding reed, so that compared with the conventional splayed return spring, the active reset structure for the brake friction lining has the advantages that the assembly time and cost are saved.
Drawings
FIG. 1 is a construction of a prior art brake caliper;
FIG. 2 is a schematic illustration of an active return structure for a brake pad of the present invention;
FIG. 3 is a front elevational view of the active return structure for the brake pad of the present invention;
FIG. 4 is a schematic view of the active return structure of the present invention mounted on a brake caliper;
FIG. 5 is a cross-sectional view of the active return structure of the present invention mounted on a brake caliper;
FIG. 6 is a block diagram of the brake pad of the present invention when subjected to hydraulic braking force;
FIG. 7 is a cross-sectional view of the brake pad of the present invention when subjected to hydraulic braking force;
FIG. 8 is a block diagram of the brake pad of the present invention when subjected to the spring force of a return spring;
fig. 9 is a cross-sectional view of the brake pad of the present invention when subjected to the spring force of the return spring.
In the figure: 1. a clamp body; 2. holding the reed; 201. a limit groove; 202. a mounting piece; 203. a limit part; 3. a splayed return spring; 4. a caliper bracket; 5. an inner friction plate; 6. an outer friction plate; 7. resetting the reed; 701. a recessed portion; 8. a brake pad; 801. a bottom plate; 802. a gasket; 803. a brake pad.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 2 and 3, an active reset structure for a brake pad is provided, which includes a holding reed 2 and a reset reed 7, wherein the reset reed 7 is disposed in a limit groove 201 of the holding reed 2, one end of the reset reed 7 is fixedly connected with the holding reed 2, and the other end of the reset reed 7 can move in the limit groove 201 of the holding reed 2.
In this embodiment, the reset reed 7 is an integral part of a zigzag structure, and two sides of the reset reed 7, which are in contact with the wall surface of the limit groove 201 of the holding reed 2, are of an zigzag structure, so that the reset reed is ensured to have good reset elasticity after being stretched, and the brake friction lining is reset.
Further, in order to facilitate the installation of the reset reed 7 and the holding reed 2, a concave part 701 is arranged at the top of the reset reed 7, the concave part 701 is fixedly installed with the holding reed 2, specifically, one end of the limiting groove 201 of the holding reed 2 is provided with an installation sheet 202, the installation sheet 202 is bent towards the inside of the limiting groove 201, so that the bending part of the installation sheet is in contact with the top of the reset reed for installation, and the bending part of the installation sheet is connected with the concave part 701 at the top of the reset reed through a rivet or a screw.
In this embodiment, one end of the mounting plate 202 is connected with the holding reed 2 to form an integral structure, and the other end is bent to form a limiting portion 203, where the limiting portion 203 is perpendicular to the recessed portion 701 at the top of the reset reed 7, so as to limit the reset reed 7 and prevent the reset reed from rotating.
In this embodiment, the width of the reset reed 7 is matched with the width of the limit groove 201 of the holding reed 2, so that the reset reed 7 can be compressed and reset without obstruction when receiving hydraulic braking force.
In this embodiment, the holding reed 2 and the reset reed 7 may be in an integrally formed structure, so that no additional component is required for connection, installation time is saved, the structure of the holding reed 2 is adaptively adjusted according to actual installation requirements and effects to be achieved, and no specific limitation is made.
According to the active reset structure for the brake friction lining, the reset reed is arranged on the holding reed, the limiting groove of the holding reed is used for providing a moving track for the reset reed, so that the holding reed can realize the active reset function of the brake friction lining when playing a role in limiting and guiding the brake friction lining.
Example 2
In an exemplary embodiment of the present invention, as shown in fig. 4 to 9, there is provided a brake caliper, which includes an active return structure as described in embodiment 1, wherein the retaining reed 2 of the active return structure is mounted on the caliper bracket 4 of the brake caliper, the active return structure is disposed on the left and right sides of the brake pads 8, and the active return structures are disposed symmetrically up and down, that is, each brake pad 8 is returned by two active return structures, so that the brake pads 8 are uniformly stressed.
In this embodiment, the brake pad comprises a pad 802, a bottom plate 801 and a brake pad 803, the pad is used to reduce vibration and noise, the bottom plate is made of steel plate, and is mounted on a caliper piston to provide a rigid base for the brake pad, the brake pad is made of various compounds, and braking is achieved through tangential friction force generated by contact of the brake pad with a brake disc. The left side and the right side of the bottom plate 801 are arranged in a limit groove of the holding reed and are connected with the bottom of the reset reed 7, the reset reed returns to push the two brake friction linings to move outwards to be separated from the brake disc, so that a gap is formed between the brake friction linings and the brake disc, and the reset of the brake friction linings is completed.
In this embodiment, the caliper brakes hydraulically.
The working principle of the brake lining of the brake caliper provided by the embodiment is as follows:
after selecting reeds with different materials and rigidities according to requirements, the holding reed 3 and the brake caliper bracket are assembled, and a brake lining is normally assembled into a limit groove of the holding reed 3, so that the bottom of the reset reed 2 in the holding reed is ensured to support a brake lining bottom plate; during braking, as shown in fig. 6 and 7, due to the hydraulic braking force, the return reed 2 brakes with the brake lining stretched until the brake lining contacts the brake disc during the movement of the brake lining relative to the brake disc in the limit groove of the holding reed; as shown in fig. 8 and 9, after releasing the brake pressure, the caliper piston is retracted under the return action of the rectangular sealing ring, and the return reed 2 in a stretched state pushes the two brake friction linings to move outwards to separate from the brake disc under the action of the spring tension, so that a gap is generated between the brake linings and the brake disc, and the return of the brake friction linings is completed.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (10)
1. The active reset structure for the brake friction lining is characterized by comprising a holding reed and a reset reed, wherein the reset reed is arranged in a limit groove of the holding reed, one end of the reset reed is fixedly connected with the holding reed, and the other end of the reset reed can move in the limit groove of the holding reed.
2. An active return structure for a brake pad according to claim 1 wherein the return spring is an integral part of a gate-like structure, and both sides of the return spring contacting a wall surface of the retaining groove of the return spring are in a bow-like structure.
3. An active return structure for a brake pad according to claim 2 wherein the top of the return spring is provided with a recess fixedly mounted to the retention spring.
4. An active return structure for a brake pad according to claim 3 wherein one end of the retaining reed limit groove is provided with a mounting plate which is bent toward the inside of the limit groove, and the mounting plate is connected to a recessed portion of the top of the return reed by a rivet or screw.
5. The active return structure for a brake pad according to claim 4, wherein one end of the mounting plate is connected to the retaining reed to form an integral structure, and the other end is bent to form a stopper portion perpendicular to a concave portion of the top of the return reed.
6. An active return structure for a brake pad according to claim 1 wherein the return spring has a width that matches the width of the retention spring retention groove.
7. An active return structure for a brake pad according to claim 1 wherein the retention spring and return spring are of unitary construction.
8. A brake caliper comprising an active return structure according to any one of claims 1 to 7, wherein the retaining reed of the active return structure is mounted on a caliper bracket of the brake caliper, and the active return structure is disposed on both left and right sides of the brake pad and is disposed symmetrically up and down.
9. The brake caliper of claim 8, wherein the friction linings comprise pads, a bottom plate and brake pads, wherein the left and right sides of the bottom plate are placed in limit grooves of the holding reeds and are connected with the restoring reeds, the restoring reeds return to push the two brake friction linings to move outwards to separate from the brake disc, a gap is formed between the brake friction linings and the brake disc, and the restoring of the brake friction linings is completed.
10. Brake calliper according to claim 8, wherein braking is performed hydraulically.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311550375.0A CN117386741A (en) | 2023-11-16 | 2023-11-16 | Active resetting structure for brake friction lining and brake caliper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311550375.0A CN117386741A (en) | 2023-11-16 | 2023-11-16 | Active resetting structure for brake friction lining and brake caliper |
Publications (1)
Publication Number | Publication Date |
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CN117386741A true CN117386741A (en) | 2024-01-12 |
Family
ID=89472018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311550375.0A Pending CN117386741A (en) | 2023-11-16 | 2023-11-16 | Active resetting structure for brake friction lining and brake caliper |
Country Status (1)
Country | Link |
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CN (1) | CN117386741A (en) |
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2023
- 2023-11-16 CN CN202311550375.0A patent/CN117386741A/en active Pending
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