CN218761052U - Dragging torque return structure and return reed of automobile brake - Google Patents
Dragging torque return structure and return reed of automobile brake Download PDFInfo
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- CN218761052U CN218761052U CN202222591551.2U CN202222591551U CN218761052U CN 218761052 U CN218761052 U CN 218761052U CN 202222591551 U CN202222591551 U CN 202222591551U CN 218761052 U CN218761052 U CN 218761052U
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- return spring
- return
- friction disc
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Abstract
The utility model discloses an automobile brake dragging torque return structure and a return reed, wherein the return structure comprises a brake caliper, a brake friction plate, a clamping brake disc and a return reed; the brake friction plate is fixedly assembled in the brake caliper, the brake friction plate and the clamping brake disc are arranged oppositely, and the return reed is arranged between the brake friction plate and the clamping brake disc; the return reed comprises a U-shaped return spring body, two clamping grooves are formed at two ends of the U-shaped return spring body, a single-side clamping groove is longitudinally sunken to form a longitudinal limiting sheet, the outer part of the tail end of the clamping groove extends and is laterally bent to form a lateral limiting sheet, and the brake friction sheet is clamped into the clamping groove and is abutted against the longitudinal limiting sheet and the lateral limiting sheet. The utility model discloses can realize the low return that drags of stopper.
Description
Technical Field
The utility model relates to a brake caliper field, concretely relates to automobile brake drags moment return structure and return reed.
Background
The principle of prior art automotive brake caliper braking is shown in fig. 1. The brake caliper assembly 08 is mainly used for transferring force to the brake friction plate 02 to clamp the brake disc 03, and the friction resistance generated by the friction plate and the brake disc resists the advancing inertia force of the automobile, so that the automobile is braked and stopped. When the brake is released, the friction force generated between the friction plate and the brake disc cannot disappear instantly, so that extra resistance is generated when an automobile runs normally, namely dragging torque, the oil consumption is increased due to the dragging torque, the service life of the friction plate is also prolonged, and the problems of eccentric wear, abnormal sound and the like of the friction plate can be generated in severe cases. According to the traditional brake caliper, as the brake friction plate is not provided with the active return mechanism to return quickly, the friction plate can only be pushed away by the unevenness of the brake disc, and the pushing away process is slow, so that long-time dragging torque is generated.
Therefore, need develop a structure and solve and push away the friction disc and lead to draging the big problem of moment slowly only by the unevenness degree of friction disc and brake disc, through a neotype low dragging initiative return spring 01, the friction disc is pressing from both sides with the brake disc and is exerting the thrust in the opposite direction in the release process, make friction disc and brake disc maximum, quick throw off, thereby the quick dragging moment that has reduced, reduce the dragging and can reduce whole car oil consumption, increase the friction disc life-span, and can the at utmost avoid the friction disc eccentric wear, the incidence of braking abnormal sound scheduling problem.
Disclosure of Invention
The utility model discloses a car stopper drags moment return structure realizes the low return that drags of stopper.
The utility model also discloses an automobile brake drags moment return reed realizes the low return that drags of stopper.
The utility model discloses an automobile brake dragging torque return structure, which comprises a brake caliper, a brake friction plate, a clamping brake disc and a return reed; the brake friction plate is fixedly assembled in the brake caliper, the brake friction plate is arranged opposite to the clamping brake disc, and the return spring is arranged between the brake friction plate and the clamping brake disc; the return reed comprises a U-shaped return reed body, two clamping grooves are formed at two ends of the U-shaped return reed body, the clamping grooves vertically sink to form longitudinal limiting pieces, the tail ends of the clamping grooves extend laterally and are bent to form lateral limiting pieces, and the brake friction piece is clamped into the clamping grooves and is abutted against the longitudinal limiting pieces and the lateral limiting pieces.
Furthermore, the friction disc journal stirrup extends from the side end of the brake friction disc, a through notch is formed in the side of the friction disc journal stirrup, the clamping groove is arranged in the through notch and clamped with the friction disc journal stirrup in the braking clamping direction through a longitudinal limiting piece, and the lateral limiting piece is abutted against the clamping friction disc journal stirrup in the plane direction of the friction disc.
Furthermore, a reinforcing rib notch is formed in the bottom of the U-shaped return spring body, and a reinforcing rib notch is formed in the longitudinal limiting piece.
Furthermore, the U-shaped return spring body is made of stainless steel.
The utility model discloses an automobile brake dragging torque return reed, which is used for being arranged between a brake friction plate and a clamping brake disc; the return reed includes U type return spring body, two draw-in grooves of U type return spring body both ends shaping, the draw-in groove vertically sinks to form vertical spacing piece, draw-in groove end outside extends the side direction and buckles and form the spacing piece of side direction, the draw-in groove is used for the joint to go into the braking friction disc, vertical spacing piece, the spacing piece of side direction are used for conflicting braking friction disc.
Furthermore, the friction disc journal stirrup extends from the side end of the brake friction disc, a through notch is formed in the side of the friction disc journal stirrup, the clamping groove is arranged in the through notch and clamped with the friction disc journal stirrup in the braking clamping direction through a longitudinal limiting piece, and the lateral limiting piece is abutted against the clamping friction disc journal stirrup in the plane direction of the friction disc.
Furthermore, a reinforcing rib notch is formed in the bottom of the U-shaped return spring body, and a reinforcing rib notch is formed in the longitudinal limiting piece.
Furthermore, the U-shaped return spring body is made of stainless steel.
The utility model discloses beneficial technological effect does:
1. the low-drag active return spring body is connected with two ends of the return spring, and the low-drag active return spring body deforms in the process of clamping the brake friction plate and is extruded to generate an elastic force to subsequently push the friction plate open so as to reduce drag.
2. The clamping groove and the limiting sheet enable the low-drag active return spring body to be subjected to elastic force F n1 The friction plate support lug can not be separated in the process, the limiting and fixing effects are achieved, and the reliability of the friction plate and the return spring mechanism in operation is ensured.
3. The utility model discloses simple structure, the initiative return spring material that hangs down is the stainless steel, need not to electroplate anticorrosive coating, so design and manufacturing process are also simple relatively, and are with low costs.
Drawings
FIG. 1 is a schematic illustration of a prior art automotive brake assembly;
FIG. 2 is a schematic view of the dragging torque return structure of the brake of the present invention;
FIG. 3 is a schematic view of a brake dragging torque return spring of the present invention;
fig. 4 is a schematic view showing the assembly of the dragging torque return spring of the utility model.
Detailed Description
The utility model aims at designing a low return spring structure that drags to current car braking drag moment big problem.
Referring to fig. 2, the utility model discloses an automobile brake drags moment return structure, including brake caliper 08, brake friction disc 02, press from both sides tight brake disc 03 and return reed. The brake lining 02 is fixedly mounted in a brake caliper 08, the brake lining is arranged opposite the clamping brake disc, and the return spring is arranged between the brake lining and the clamping brake disc. The return reed includes U type return spring body, two draw-in grooves 05 of U type return spring body both ends shaping, and draw-in groove 05 vertically sinks to form vertical spacing piece, and draw-in groove 05 end outside extends the side direction and buckles and form the spacing piece of side direction, and the braking friction piece card is inserted in draw-in groove 05 and is contradicted with vertical spacing piece, the spacing piece of side direction. Specifically, a friction plate support lug 07 extends out of the side end of the brake friction plate, a through notch is formed in the side of the friction plate support lug 07, the clamping groove 05 is arranged in the through notch and clamped with the friction plate support lug in the brake clamping direction through a longitudinal limiting plate, and a lateral limiting plate is abutted against the clamping friction plate support lug in the plane direction of the friction plate.
The bottom of the U-shaped return spring body is provided with a reinforcing rib notch, and the longitudinal limiting piece is provided with a reinforcing rib notch. The U-shaped return spring body is made of stainless steel. The U-shaped return spring body is of a symmetrical structure.
Referring to fig. 3, the utility model also discloses an automobile brake dragging torque return reed, which is used to be arranged between the brake friction plate and the clamping brake disc; the return reed comprises a U-shaped return reed body, two clamping grooves 05 are formed in two ends of the U-shaped return reed body, the clamping grooves 05 are vertically sunken to form longitudinal limiting pieces, the outer portion of the tail end of each clamping groove 05 extends to be bent laterally to form lateral limiting pieces, the clamping grooves 05 are used for being clamped into the brake friction plates, and the longitudinal limiting pieces and the lateral limiting pieces are used for abutting against the brake friction plates. Specifically, a friction plate support lug 07 extends out of the side end of a brake friction plate, a through notch is formed in the side of the friction plate support lug 07, a clamping groove 05 is arranged in the through notch and clamped with the friction plate support lug in the brake clamping direction through a longitudinal limiting plate, and a lateral limiting plate is abutted against and clamped with the friction plate support lug in the plane direction of the friction plate. The bottom of the U-shaped return spring body is provided with a reinforcing rib notch, and the longitudinal limiting piece is provided with a reinforcing rib notch. The U-shaped return spring body is made of stainless steel.
As shown in figure 3, the longitudinal limiting sheet and the bottom of the U-shaped return spring body are provided with three reinforcing rib notches, the reinforcing ribs can improve the strength of the return spring to the maximum extent, the size of the return spring is made smaller and thinner as much as possible, and the cost and the space can be saved. The return spring body 04 is U-shaped, only one bending tool is needed to realize bending, the purpose of the shape is to generate a thrust capable of pushing away the friction plate and the brake disc, when the brake friction plate 02 is compressed, the U-shaped compression can generate a reverse thrust, and the structure is simple and reliable.
As shown in fig. 4, the engaging groove 05 and the longitudinal and lateral position-limiting pieces are formed by bending a metal plate, and the bending can be realized by only one bending tool as in the body molding. In order to guarantee the utility model discloses a low friction disc journal stirrup 07 of inlaying that drags initiative return spring can be stable and do not drop, need to restrict the degree of freedom of return spring all directions, spacing piece 06's structure can restrict low degree of freedom of dragging initiative return spring X to (friction disc plane direction promptly) and Y to (braking chucking direction promptly) simultaneously, draw-in groove 05's structure mainly restricts the degree of freedom of low dragging initiative return spring Z to (promptly with X-Y plane vertically direction), draw-in groove 05 and vertical spacing piece 061 like this, side direction spacing piece 062 can guarantee that low dragging initiative return spring can be stable inlay and go into friction disc journal stirrup 07 and do not drop, simple structure is reliable.
Description of the process of clamping the friction plate and the brake disc:
as shown in fig. 2, in order to explain the braking principle and simplify the structure, the brake caliper 08 is hidden in fig. 2, when a vehicle sends a braking command, the brake pad 02 moves inwards, and the distance between the brake pad and the clamping brake disc 03 is reduced in the moving process until the brake pad is completely attached. At this time, the low drag return spring 01 is pressed to the maximum deformation state to generate an elastic force F n1 The deformation has the tendency of resisting the friction plate to continuously move inwards, and the elastic force of the return spring is set to be F n1 There is a tendency for the pads to continue moving inwardly, which forces the pads to clamp against the disc and generates a clamping force F n2 . The friction plate and the brake disc are not absolutely smooth, and the braking force F is generated by multiplying the friction coefficient u by the pressure u The formula is:
F u =(F n2 -F n1 ) X u. Braking force F u The vehicle may be decelerated until stopped.
Description of the friction plate and brake disc release process:
when the vehicle is released from the braking command, the brake pad clamping force F n2 When the friction plate disappears, the friction plate is only subjected to the elastic force F of the return spring n1 ，F n1 The friction plate and the brake disc are quickly separated, so that the friction force between the friction plate and the brake disc is reduced, and the purpose of reducing drag is achieved.
The brake dragging can be reduced, and the oil consumption of the whole vehicle can be reduced to the maximum extent. And the active return spring can reduce the abrasion of the friction plate to the maximum extent, prolong the service life of the friction plate to a certain extent and improve the problems of eccentric wear, abnormal braking sound and the like of the friction plate to a certain extent.
Claims (8)
1. The drag torque return structure of the automobile brake is characterized in that: comprises a brake caliper (08), a brake friction plate (02), a clamping brake disc (03) and a return reed; the brake friction plate (02) is fixedly assembled in a brake caliper (08), the brake friction plate is arranged opposite to a clamping brake disc, and the return spring is arranged between the brake friction plate and the clamping brake disc; the return reed includes U type return spring body, two draw-in grooves (05) of U type return spring body both ends shaping, draw-in groove (05) vertically sink down and form vertical spacing piece, draw-in groove (05) terminal outside extends the side direction and buckles and form the spacing piece of side direction, the braking friction disc card inserts in draw-in groove (05) and contradicts with vertical spacing piece, the spacing piece of side direction.
2. The drag torque return structure of an automobile brake as claimed in claim 1, wherein: brake friction disc side extends friction disc journal stirrup (07), link up the notch is opened to friction disc journal stirrup (07) side, draw-in groove (05) arrange link up the notch in the notch through vertical spacing piece and friction disc journal stirrup at the braking direction joint, the spacing piece of side direction is at friction disc plane direction conflict joint friction disc journal stirrup.
3. The brake drag torque return structure of claim 2, wherein: the U-shaped return spring body is provided with a reinforcing rib notch at the bottom, and the longitudinal limiting piece is provided with a reinforcing rib notch.
4. The drag torque return structure of an automobile brake as claimed in claim 3, wherein: the U-shaped return spring body is made of stainless steel.
5. The dragging torque return reed of the automobile brake is characterized in that: the return spring is used for being arranged between the brake friction plate and the clamping brake disc; the return reed includes U type return spring body, two draw-in grooves (05) of U type return spring body both ends shaping, draw-in groove (05) vertically sink down and form vertical spacing piece, draw-in groove (05) terminal outside is extended the side direction and is buckled and form the spacing piece of side direction, draw-in groove (05) are used for the joint to go into the braking friction disc, vertical spacing piece, the spacing piece of side direction are used for conflicting braking friction disc.
6. The automobile brake dragging torque return spring as recited in claim 5, wherein: brake friction disc side extends friction disc journal stirrup (07), link up the notch is opened to friction disc journal stirrup (07) side, draw-in groove (05) arrange link up the notch in the notch through vertical spacing piece and friction disc journal stirrup at the braking direction joint, the spacing piece of side direction is at friction disc plane direction conflict joint friction disc journal stirrup.
7. The automotive brake dragging torque return spring as described in claim 6, wherein: the U-shaped return spring body is provided with a reinforcing rib notch at the bottom, and the longitudinal limiting piece is provided with a reinforcing rib notch.
8. The automobile brake dragging torque return spring as recited in claim 7, wherein: the U-shaped return spring body is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591551.2U CN218761052U (en) | 2022-09-29 | 2022-09-29 | Dragging torque return structure and return reed of automobile brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591551.2U CN218761052U (en) | 2022-09-29 | 2022-09-29 | Dragging torque return structure and return reed of automobile brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218761052U true CN218761052U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222591551.2U Active CN218761052U (en) | 2022-09-29 | 2022-09-29 | Dragging torque return structure and return reed of automobile brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218761052U (en) |
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2022
- 2022-09-29 CN CN202222591551.2U patent/CN218761052U/en active Active
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