CN217152781U

CN217152781U - Low-drag fixed brake caliper assembly

Info

Publication number: CN217152781U
Application number: CN202220922241.1U
Authority: CN
Inventors: 雷伟
Original assignee: CSG TRW Chassis Systems Co Ltd
Current assignee: CSG TRW Chassis Systems Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-09
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to a low fixed braking pincers assembly that drags, belong to automobile parts technical field, including the brake caliper body that has the brake disc and dodge the hole, be located the brake pads that uide pin and brake caliper body coupling are passed through at brake disc both sides and both ends, be located between two brake pads and make two brake pads have the elasticity canceling release mechanical system of mutual exclusion motion trend, install the piston that drives the brake pads and remove to the brake disc on the brake caliper body, the bolster between the brake caliper body supporting surface that sets up to be used for bearing braking force and the brake pads, the cover is equipped with the return spring on the uide pin so that it has the trend of keeping away from the brake disc to correspond the brake pads. The utility model discloses a set up the return spring between brake block and brake disc, realized the initiative return of brake block reliably, solved the power problem of dragging between brake block and the brake disc.

Description

Low-drag fixed brake caliper assembly

Technical Field

The utility model belongs to the technical field of automobile parts, a low fixed braking pincers assembly that drags is related to.

Background

Brake caliper assembly dragThe force directly influences the oil consumption and CO of the fuel vehicle ₂ And the driving mileage of the electric vehicle. However, the fixed brake caliper assembly used in the existing brake industry does not have the function of automatically returning the brake pad, and the brake pad is separated from the brake disc by impacting the brake pad through adjusting the rotating brake disc after the brake is released.

Because the brake blocks on the inner side and the outer side cannot be timely reset, the reasonable clearance between the brake disc and the brake blocks cannot be ensured, and the friction force still exists between the brake disc and the brake blocks, the drag force is easy to generate, so that the oil consumption of the vehicle is increased, and the CO is larger ₂ Discharge amount and pollution to the atmosphere.

In addition, the stationary brake caliper assembly used in the existing brake industry is very difficult to suppress noise, which causes certain damage to human beings.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a low-drag fixed brake caliper assembly to solve the problem of drag force between a brake pad and a brake disc.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a low stationary brake caliper assembly that drags, including the brake caliper body that has the brake disc and dodge the hole, be located the brake disc both sides and both ends pass through the guide pin and be connected with the brake caliper body brake pad, be located between two brake pads and make two brake pads have the exclusive motion trend's elasticity canceling release mechanical system, install the piston that drives the brake pad and move to the brake disc on the brake caliper body, set up the bolster between the brake caliper body bearing surface that is used for bearing braking force and the brake pad, the cover is equipped with the return spring on the guide pin so that the corresponding brake pad has the trend of keeping away from the brake disc.

Optionally, the damper is mounted on the caliper body.

Optionally, the buffer member is a snap spring and is installed at a position of the brake caliper body corresponding to two ends of the brake pad.

Optionally, the elastic resetting mechanism comprises an elastic piece, the elastic piece is supported on the two brake blocks, a pressing shaft is arranged on one side of the elastic piece, which is far away from the brake disc, so that the elastic piece presses the brake blocks, and the elastic piece rotates around the axis of the pressing shaft in a floating manner under the rotation action of the brake blocks; at least one reset claw is arranged on the elastic sheet, and two ends of the reset claw are respectively contacted with the back plates of the two brake blocks so that the two brake blocks have the tendency of being far away from the brake disc.

Optionally, the elastic piece is i-shaped, and includes an abdomen portion and wing portions located at two ends of the abdomen portion, two ends of the wing portions are respectively supported on the two braking blocks, the abdomen portion is provided with an arc-shaped or V-shaped guide groove, and the pressing shaft is located in the guide groove.

Optionally, the elastic piece is provided with two reset claws, and the two reset claws are respectively located on two sides of the pressing shaft.

Optionally, the return spring is spindle-shaped and is formed by winding an elastic material.

Optionally, one end of the guide pin close to the brake disc extends out of the back plate of the brake block, and the return spring is sleeved on the extending end.

Optionally, a mass block is arranged on a back plate of the brake block to change the vibration mode of the brake caliper during braking.

Optionally, a rubber seal is arranged between the caliper body and the piston.

Optionally, the pressing axis is an optical axis or a pressing axis.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a set up the return spring between brake block and brake disc, realized the initiative return of brake block reliably, solved the power problem of dragging between brake block and the brake disc.

2. The utility model discloses a set up the bolster between the brake caliper body supporting surface and the brake pads that are used for bearing braking force, can effectively reduce the sliding resistance of brake pads on its supporting surface, improved the ride comfort of braking pincers operation.

3. The utility model discloses an elastic sheet both ends all have the alar part of support on two brake blocks, can effectively eliminate the striking abnormal sound between brake block and uide pin, the brake caliper body.

4. The utility model discloses a be equipped with the quality piece on the backplate of brake pads, the vibration mode of braking pincers assembly when can changing the braking can effectively the noise suppression.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a first schematic structural diagram of a brake caliper assembly according to the present invention;

FIG. 2 is a schematic structural view of a brake caliper assembly according to the present invention;

FIG. 3 is a third schematic structural view of the brake caliper assembly of the present invention;

FIG. 4 is a schematic view of a buffer;

FIG. 5 is a schematic view of the installation of the buffer;

FIG. 6 is a schematic view of the installation of the return spring;

FIG. 7 is a schematic structural view of an elastic return mechanism;

FIG. 8 is a schematic diagram showing the first acting force of the elastic return mechanism on the brake block;

fig. 9 is a second schematic diagram of the acting force of the elastic return mechanism on the brake block.

Reference numerals: the brake caliper comprises a brake caliper body 1, a buffer member 2, a return spring 3, a mass block 4, an elastic sheet 5, a pressure shaft 6, a brake block 7, a friction material 8, a limiting member 9, a guide pin 10, a brake disc 11, a piston 12, a sealing member 13, a reset claw 14, an upper claw 21 and a lower claw 22.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 9, a low-drag fixed brake caliper assembly includes a caliper body 1 having a brake disc relief hole, brake pads 7 located at both sides of a brake disc 11 and having both ends connected to the caliper body 1 through guide pins 10, an elastic return mechanism located between the two brake pads 7 and making the two brake pads 7 have mutually exclusive motion tendency, a piston 12 installed on the caliper body 1 to drive the brake pads 7 to move toward the brake disc 11, and a buffer 2 disposed between a caliper body supporting surface for receiving braking force and the brake pads 7, wherein the guide pins 10 are sleeved with return springs 3 to make the corresponding brake pads 7 have tendency to be away from the brake disc 11; the resilient return mechanism is supported on the back plate of the brake shoe 7 and applies a positive pressure to the brake shoe against the guide pin.

Optionally, the buffer 2 is mounted on the caliper body 1.

Optionally, the buffer 2 is a snap spring and is installed at the position of the caliper body 1 corresponding to the two ends of the brake pad 7.

Optionally, the elastic resetting mechanism comprises an elastic sheet 5, the elastic sheet 5 is supported on two brake blocks 7, a pressing shaft 6 is arranged on one side of the elastic sheet 5 away from the brake disc 11 so that the elastic sheet 5 presses the brake blocks 7, and the elastic sheet 5 rotates around the axis of the pressing shaft 6 in a floating manner under the rotation action of the brake blocks 7; at least one reset claw 14 is arranged on the elastic sheet 5, and two ends of the reset claw 14 are respectively contacted with the back plates of the two brake blocks 7 so that the two brake blocks 7 tend to be far away from the brake disc 11. The pressing shaft 6 can be an optical shaft or a screw.

Optionally, the elastic sheet 5 is i-shaped, and includes an abdomen portion and wing portions located at two ends of the abdomen portion, two ends of the wing portions are respectively supported on the two braking blocks 7, the abdomen portion has an arc-shaped or V-shaped guide groove, and the pressing shaft 6 is located in the guide groove.

Optionally, two reset claws 14 are arranged on the elastic sheet 5, and the two reset claws 14 are respectively located at two sides of the pressing shaft 6.

Alternatively, the return spring 3 is spindle-shaped or cylindrical and may be made of a material having elasticity by winding. Return spring 3 is preferably spindle-shaped.

Alternatively, the end of the guide pin 10 adjacent to the brake disk 11 projects beyond the back plate of the brake shoe 7, and the return spring 3 is fitted over this projecting end.

Optionally, at least one mass 4 is provided on the back plate of the brake pad 7 to change the mode of vibration of the caliper during braking. When the back plate of the brake shoe 7 is provided with a plurality of masses 4, the distance should be as far as possible. Preferably, two masses 4 are provided on the back plate of the brake pad 7.

Optionally, a rubber seal 13 is provided between the caliper body 1 and the piston 12.

Examples

Referring to fig. 1 to 9, a low noise and low drag fixed brake caliper assembly includes a brake caliper body 1, a buffer member 2, a return spring 3, a mass 4, an elastic return mechanism, a brake pad 7, a brake pad friction material 8, a limiting member 9, a guide pin 10, a brake disc 11, a piston 12, and a sealing member 13. The elastic resetting mechanism comprises an elastic piece 5, two ends of the elastic piece 5 are supported on two brake blocks 7, a pressing shaft 6 is arranged on one side of the elastic piece 5, which is far away from a brake disc 11, so that the elastic piece 5 presses the brake blocks 7, and the elastic piece 5 rotates around the axis of the pressing shaft 6 in a floating manner under the rotation action of the brake blocks 7; two reset claws 14 are arranged on the elastic sheet 5, the two reset claws 14 are respectively positioned at two sides of the pressing shaft 6, and two ends of the reset claws 14 are respectively contacted with the back plates of the two brake blocks 7 so that the two brake blocks 7 have a tendency of being far away from the brake disc 11.

The brake blocks 7 are arranged on two sides of the brake disc 11; the elastic piece 5 presses the brake block 7 to the guide pin 10 through a pressing shaft 6 arranged on the caliper body 1, and provides positive pressure F1 (decomposed into F1 and F2 from F4) to the brake block 7, so that the brake block 7 is tightly attached to the guide pin 10; the piston 12 is installed in the caliper body 1 and sealed by a seal 13, and the piston 12 pushes the brake pad 7 to slide on the guide pin 10 and contact the brake disc 11, thereby realizing braking.

Fig. 5 is a schematic view of the buffer member 2 assembled on the caliper body 1, and the buffer member 2 includes a flat attaching section acting on the friction material 8 of the brake pad and an upper jaw 21 and a lower jaw 22 respectively located at the upper end and the lower end of the attaching section. The buffer 2 is clamped on the caliper body by the upper jaw 21 and the lower jaw 22. The cushion member 2 provided on the support surface of the caliper body 1 receives the braking force generated by the friction between the brake pad 7 and the brake disk 11.

Fig. 6 is a schematic diagram of the return spring 3, in which the two ends of the return spring 3 have a small diameter and the middle has a large diameter, and the return spring is spindle-shaped, one end of the return spring contacts with the back plate of the brake block 7, and the other end of the return spring is limited on the end surface of the limiting member 9 mounted on the guide pin 10. The return spring 3 is compressed during braking.

This embodiment can be used to change the mode during braking by installing the mass 4 on the brake block 7, so as to achieve the suppression of the braking noise.

When the vehicle brakes, the piston 12 transmits hydraulic pressure to the brake pad 7, the return spring 3 on the guide pin 10 is compressed, and the piston 1 drives the brake pad 7 to contact with the brake disc 11, so that braking is realized. After braking is released, the pressure applied to the brake pad 7 by the piston 12 disappears, the compressed return spring 3 begins to rebound, and a reverse force in the direction of the piston 12 is applied to the brake pad 7, so that the active return of the brake pad 7 is effectively realized, and the dragging moment between the brake disc 11 and the brake pad 7 is reduced. During the braking release, the elastic piece 5 applies a force F2 to the brake pad 7 in the direction opposite to the direction of the vibration of the road surface due to the vibration of the vehicle on the road surface, thereby suppressing the impact noise of the brake pad 7 on the caliper body 1 and the damper 2. In the braking releasing process, the elastic sheet 5 provides active return force F3 for the brake pad 7, and after the brake pad is released, the compressed return spring 3 and the F3 provided by the elastic sheet 5 provide the return force for the brake pad together, so that the dragging torque between the brake pad and the brake disc is sufficiently reduced.

The utility model discloses after the vehicle relieves the braking, the compressed return spring 3 exerts the effort opposite with piston 12 motion direction in braking process to brake pads 7, has realized the initiative return of brake pads 7 reliably to reduce the dragging moment between brake disc 11 and brake pads 7, and then reduced the oil consumption (power consumption) of whole car, increased the continuation of the journey mileage, reduced CO2 and discharged; in addition, the elastic sheet 5 is supported on the back plate of the brake block 7, applies positive pressure to the brake block 7 to press the guide pin 10, and simultaneously provides component force perpendicular to the positive pressure, so that the impact abnormal sound of the brake block 7 generated by the vehicle shaking on a bumpy road surface can be effectively eliminated; the mass block 4 is arranged on a back plate of the brake block 7, and can change the vibration mode of the brake caliper assembly during braking, thereby realizing the effects of suppressing noise and reducing environmental pollution.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A low drag fixed brake caliper assembly characterized in that: the brake caliper comprises a brake caliper body with a brake disc avoiding hole, brake blocks, an elastic reset mechanism, a piston and a buffer piece, wherein the brake blocks are positioned on two sides of the brake disc, two ends of the brake blocks are connected with the brake caliper body through guide pins, the elastic reset mechanism is positioned between the two brake blocks and enables the two brake blocks to have mutually exclusive motion trends, the piston is installed on the brake caliper body and drives the brake blocks to move towards the brake disc, the buffer piece is arranged between a support surface of the brake caliper body and the brake blocks, the brake blocks are used for bearing braking force, and the guide pins are sleeved with return springs so that the corresponding brake blocks have a trend of being far away from the brake disc.

2. A low drag fixed brake caliper assembly according to claim 1 wherein: the buffer piece is installed on the brake caliper body.

3. A low drag fixed brake caliper assembly according to claim 1 wherein: the buffer piece is a clamp spring and is arranged at the position, corresponding to the two ends of the brake block, of the brake caliper body.

4. A low drag fixed brake caliper assembly according to claim 1 wherein: the elastic resetting mechanism comprises an elastic piece, the elastic piece is supported on the two brake blocks, a pressing shaft is arranged on one side of the elastic piece, which is far away from the brake disc, so that the elastic piece presses the brake blocks, and the elastic piece rotates around the axis of the pressing shaft in a floating manner under the rotation action of the brake blocks; at least one reset claw is arranged on the elastic sheet, and two ends of the reset claw are respectively contacted with the back plates of the two brake blocks so that the two brake blocks have the tendency of being far away from the brake disc.

5. A low drag fixed brake caliper assembly according to claim 4, wherein: the elastic piece is I-shaped and comprises an abdomen and wing parts positioned at two ends of the abdomen, two ends of the wing parts are respectively supported on the two braking blocks, the abdomen is provided with an arc-shaped or V-shaped guide groove, and the pressing shaft is positioned in the guide groove.

6. A low drag fixed brake caliper assembly according to claim 4, wherein: the elastic piece is provided with two reset claws which are respectively positioned at two sides of the pressing shaft.

7. A low drag fixed brake caliper assembly according to claim 1 wherein: the return spring is spindle-shaped and is formed by winding elastic materials.

8. A low drag fixed brake caliper assembly according to claim 1 wherein: one end of the guide pin, which is close to the brake disc, extends out of the back plate of the brake block, and the return spring is sleeved on the extending end.

9. A low drag fixed brake caliper assembly according to claim 1 wherein: and a mass block is arranged on a back plate of the brake block so as to change the vibration mode of the brake caliper during braking.

10. A low drag fixed brake caliper assembly according to claim 1 wherein: and a rubber sealing element is arranged between the brake caliper body and the piston.