CN212250916U

CN212250916U - Fixed brake caliper

Info

Publication number: CN212250916U
Application number: CN202020792231.1U
Authority: CN
Inventors: 钟志城; 冷燕红; 潘月明; 严丽芬
Original assignee: Wenzhou Minghui Auto Parts Co ltd
Current assignee: Wenzhou Minghui Auto Parts Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-29
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a vehicle braking system, especially a fixed brake caliper. The utility model provides a following technical scheme: the utility model provides a fixed brake caliper, includes the calliper body, be equipped with on the calliper body with brake disc complex brake groove, be equipped with two relative brake blocks in the brake groove, be equipped with two cylinder bodies that the position is relative on the calliper body, be equipped with the piston with cylinder body swing joint in the cylinder body, the piston links to each other with a brake block respectively, this internal still be equipped with of calliper with the communicating return groove in brake groove, be equipped with a return shaft in the return groove, two brake blocks are equipped with connecting portion respectively, be equipped with on the connecting portion with return shaft sliding fit's shaft hole, be equipped with the spring between the connecting portion of two brake blocks, the spring housing is established on the return shaft. The utility model discloses can solve the not enough problem of brake caliper brake power among the prior art.

Description

Fixed brake caliper

Technical Field

The utility model relates to a vehicle braking system, especially a fixed brake caliper.

Background

The brake caliper is one of the core components of a brake system, and the brake caliper and a brake disc generate a braking force through mutual friction action, the brake caliper is usually fixed on a frame of a vehicle, the brake disc is fixed on a wheel, and a piston pushes a brake pad to clamp the brake disc to realize braking.

The existing brake calipers are generally designed only with a piston on one side, and fixed brake pads on the other side, and are provided with floating bolts, so that the brake calipers can move left and right, and the brake pads on two sides can be meshed with a brake disc. However, such a brake caliper has insufficient braking force and poor braking effect.

Disclosure of Invention

To the problem that exists among the prior art, the utility model provides a fixed brake caliper solves the not enough problem of brake caliper system power among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fixed brake caliper, includes the calliper body, be equipped with on the calliper body with brake disc complex brake groove, be equipped with two relative brake blocks in the brake groove, be equipped with two cylinder bodies that the position is relative on the calliper body, be equipped with the piston with cylinder body swing joint in the cylinder body, the piston links to each other with a brake block respectively, this internal still be equipped with of calliper with the communicating return groove in brake groove, be equipped with a return shaft in the return groove, two brake blocks are equipped with connecting portion respectively, be equipped with on the connecting portion with return shaft sliding fit's shaft hole, be equipped with the spring between the connecting portion of two brake blocks, the spring housing is established on the return shaft.

By adopting the technical scheme, the brake device is provided with the two cylinder bodies and the piston, the brake disc is clamped by the two-way push brake pad, and larger braking force is generated, so that the braking effect is better; wherein, in the process that the piston promotes the brake block and removes and press from both sides tight brake disc to the brake disc, the connecting portion of two brake blocks extrude the bullet, make its deformation, produce reverse effort, after the brake block release was tight to the brake disc, the produced effort of accessible spring promoted the connecting portion of two brake blocks and made it get back to original position, thereby make the brake block get back to the normal position, take place the friction with the brake disc after the release is tight to the brake disc in order to avoid the brake block to release, send the abnormal sound.

Furthermore, a sealing groove is formed in the cylinder body along the circumferential direction, a matching piece movably connected with the sealing groove along the axial direction of the piston is arranged on the piston, a sealing piece is arranged in the sealing groove, and the contact surface of the matching piece and the sealing piece is a conical surface with a large outer part and a small inner part.

Adopt above-mentioned technical scheme, set up the cooperation of accessible seal groove, fitting piece and sealing member like this, make piston and cylinder body seal to avoid fluid to leak, wherein the contact surface of fitting piece and sealing member sets up to the toper surface of outer big end inside small, can make its cooperation inseparabler, sealed effect is better.

Furthermore, a convex stop block is arranged on the contact surface of the fitting piece and the sealing piece, and the stop block is arranged around the circumference of the fitting piece.

By adopting the technical scheme, the arrangement of the stop block enables the matching between the matching piece and the sealing piece to be more tight, and oil can be further blocked, so that the leakage of the oil is avoided.

Furthermore, the both sides that the brake block corresponds in the brake groove are equipped with the protection part respectively, one side that the protection part faced the brake block is equipped with the spacing groove, the brake block is equipped with and stretches into spacing groove and clearance fit's stopper.

By adopting the technical scheme, the brake block is connected with the protection part through the matching of the limiting block and the limiting groove, so that the brake block is more firmly connected and is not easy to separate.

Furthermore, still be equipped with the installation department that can be used for linking to each other with the frame on the calliper body, be equipped with the mounting hole on the installation department.

By adopting the technical scheme, the mounting part can be connected with the frame through the mounting hole, so that the caliper body is connected with the frame.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view taken along a-a of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a sectional view taken along the direction B-B in fig. 3.

Detailed Description

The following will further describe the embodiments of the present invention with reference to the drawings and examples.

As shown in fig. 1-4, a fixed brake caliper includes caliper body 1, be equipped with on caliper body 1 with brake disc complex brake groove 11, be equipped with two relative brake block 2 in the brake groove 11, be equipped with two cylinder body 12 that the position is relative on caliper body 1, be equipped with piston 13 with 12 swing joint of cylinder body in the cylinder body 12, piston 13 links to each other with a brake block 2 respectively, still be equipped with in caliper body 1 with the communicating return groove 14 in brake groove 11, be equipped with a return shaft 3 in the return groove 14, two brake block 2 are equipped with connecting portion 21 respectively, be equipped with on connecting portion 21 with 3 sliding fit's of return shaft hole 22, be equipped with spring 4 between the connecting portion 21 of two brake block 2, the cover of spring 4 is established on return shaft 3. The two cylinders 12 and the piston 13 are arranged, the brake disc is clamped by the two-way push brake pad 2, and larger brake force is generated, so that the brake effect is better; wherein, in the process that the piston 13 pushes the brake pads 2 to move towards the brake disc and clamp the brake disc, the connecting parts 21 of the two brake pads 2 extrude the spring 4 to deform the spring and generate reverse acting force, after the brake pads 2 release the clamping to the brake disc, the connecting parts 21 of the two brake pads 2 can be pushed by the acting force generated by the spring 4 to return to the original position, so that the brake pads 2 return to the original position, and the brake pads 2 are prevented from rubbing the brake disc after releasing the clamping to the brake disc and generating abnormal sound.

The spring 4 is provided as a disc spring.

A seal groove 5 has been seted up along circumference in the cylinder body 12, be equipped with on the piston 13 with seal groove 5 along piston 13's axial swing joint's fitting piece 6, be equipped with sealing member 7 in the seal groove 5, the contact surface of fitting piece 6 and sealing member 7 sets up to the big-end-up in the toper face of little. Set up the cooperation of accessible seal groove 5, fitting piece 6 and sealing member 7 like this, make piston 13 and cylinder body 12 seal to avoid fluid to leak, wherein the contact surface of fitting piece 6 and sealing member 7 sets up to the toper surface of outer big-end-up, can make its cooperation inseparabler, and sealed effect is better.

A convex stop block 8 is arranged on the contact surface of the fitting piece 6 and the sealing piece 7, and the stop block 8 is arranged around the circumference of the fitting piece 6. The stop block 8 enables the matching between the matching piece 6 and the sealing piece 7 to be tighter, and can further block oil liquid so as to avoid leakage of the oil liquid.

The both sides that brake groove 11 corresponds brake block 2 are equipped with protection part 15 respectively, protection part 15 is equipped with spacing groove 9 towards one side of brake block 2, brake block 2 is equipped with and can stretches into spacing groove 9 rather than clearance fit's stopper 10. The arrangement enables the brake pad 2 to be connected with the protection part 15 through the matching of the limiting block 10 and the limiting groove 9, so that the brake pad 2 can be connected more firmly and is not easy to separate.

It should be noted that, the brake pad 2 may be worn during the use process, and therefore, the distance that the limiting block 10 can move relative to the limiting groove 9 should be considered to the worn brake pad 2, so that the brake pad can clamp the brake disc.

Still be equipped with on calliper body 1 and be used for the installation department 16 that links to each other with the frame, be equipped with mounting hole 17 on the installation department 16. The mounting portion may be connected to the frame through the mounting hole 17 so that the caliper body 1 is connected to the frame.

Claims

1. The utility model provides a fixed brake caliper, includes the calliper body, be equipped with on the calliper body with brake disc complex brake groove, be equipped with two relative brake pads in the brake groove, its characterized in that: the caliper is characterized in that two cylinder bodies with opposite positions are arranged on the caliper body, a piston movably connected with the cylinder body is arranged in the cylinder body, the piston is respectively connected with a brake pad, a return groove communicated with the brake groove is further formed in the caliper body, a return shaft is arranged in the return groove, the two brake pads are respectively provided with a connecting portion, a shaft hole in sliding fit with the return shaft is formed in the connecting portion, a spring is arranged between the connecting portions of the two brake pads, and the spring is sleeved on the return shaft.

2. A fixed brake caliper according to claim 1 wherein: the cylinder body is internally provided with a sealing groove along the circumferential direction, the piston is provided with a fitting piece which is movably connected with the sealing groove along the axial direction of the piston, a sealing piece is arranged in the sealing groove, and the contact surface between the fitting piece and the sealing piece is a conical surface with a large outside and a small inside.

3. A fixed brake caliper according to claim 2 wherein: the surface of the fitting piece, which is contacted with the sealing piece, is provided with a raised stop block, and the stop block is arranged around the circumference of the fitting piece.

4. A fixed brake caliper according to claim 1, 2 or 3 wherein: the both sides that the brake groove corresponds the brake block are equipped with the guard portion respectively, one side that the guard portion faced the brake block is equipped with the spacing groove, the brake block is equipped with and stretches into spacing groove rather than clearance fit's stopper.

5. A fixed brake caliper according to claim 1, 2 or 3 wherein: still be equipped with the installation department that can be used for linking to each other with the frame on the calliper body, be equipped with the mounting hole on the installation department.