Exhaust type brake caliper

By designing an exhaust structure for the exhaust type brake caliper, the brake fluid is used to push the air out and close the flow channel, which solves the problem of hydraulic oil leakage caused by the loose seal of the traditional brake caliper, and improves exhaust efficiency and system stability.

CN223635198UActive Publication Date: 2025-12-05SHANDONG XINYI AUTO PARTS MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520245554.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-05
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Traditional brake calipers release air by rotating the bleed screw, but the seal is not tight enough, which makes hydraulic oil prone to leakage.

Method used

An exhaust-type brake caliper was designed, which adopts an exhaust structure inside the cylinder, including a connecting pipe, an exhaust housing, a guide cylinder, and a blocking block. Air is pushed into the exhaust structure by brake fluid and discharged through a dustproof screen. The blocking block abuts against the inner wall of the guide cylinder to close the flow channel and prevent brake fluid leakage.

Benefits of technology

It achieves effective air discharge, prevents hydraulic oil leakage, improves exhaust efficiency, and reduces the entry of dust and impurities, thus ensuring the stability and effectiveness of the braking system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223635198U_ABST
    Figure CN223635198U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of brake calipers, and particularly relates to exhaust type brake calipers which comprise a bracket, one side of the bracket is fixedly communicated with a cylinder body, one side of the cylinder body is fixedly communicated with an oil inlet connector, and an exhaust structure is arranged on the surface of the cylinder body. Air in the cylinder body is pushed by brake oil to enter the exhaust structure to be exhausted, the air firstly enters the exhaust shell through the connecting pipe, the air surrounds the blocking block and is exhausted from the exhaust port of the exhaust cap through the flow channel, after the air is exhausted, the brake oil also enters the exhaust shell through the connecting pipe, and the brake oil can move the blocking block to displace; the surface of the blocking block abuts against the inner wall of the guide cylinder so that the flow channel can be closed, brake oil leakage is avoided as much as possible, the blocking block is connected with the sleeve rod through the sliding rod, the sliding rod can drive the blocking block to stretch out and draw back along the inner wall of the sleeve rod, the spring can assist the blocking block to reset when braking stops, next air discharging is guaranteed, and the air discharging effect is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of brake caliper, concretely is a kind of exhaust brake caliper. BACKGROUND

[0002] Brake caliper is the component to brake disc and exerts force, it is a kind of pincer device with the function of making moving wheel deceleration, stop or keep stop state, it is usually used in disc brake system, the function of automobile caliper is deceleration, brake shoe push, dust prevention, noise reduction, brake, the main function of brake caliper is to convert brake force into brake torque, so that vehicle deceleration or stop.

[0003] Brake fluid flows in hydraulic circuit, if air enters hydraulic system, due to its compressibility, it can cause brake system brake efficiency to decrease greatly, so it needs to be aerated, however, the brake caliper in traditional technology is aerated by rotating air release screw, screw is arranged in air release port, although air release purpose can be achieved, but its sealing is not tight enough, hydraulic oil is prone to leakage. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiency of prior art, the brake caliper in traditional technology is aerated by rotating air release screw, screw is arranged in air release port, although air release purpose can be achieved, but its sealing is not tight enough, hydraulic oil is prone to leakage and other problems, the utility model provides an exhaust brake caliper.

[0005] The utility model solves technical scheme that it adopts technical scheme to its technical problem: an exhaust brake caliper, including bracket, one side of the bracket is fixedly connected with cylinder body, one side of the cylinder body is fixedly connected with oil inlet, the surface of cylinder body is provided with exhaust structure;

[0006] The exhaust structure includes connecting pipe, one end of the connecting pipe is fixedly connected with the inner chamber of cylinder body, one end of the connecting pipe is fixedly connected with exhaust shell, one side of the exhaust shell is fixedly connected with exhaust cap, one side of the exhaust cap is fixedly connected with guide cylinder, the inner chamber of guide cylinder is provided with blocking block, flow channel is arranged between the surface of blocking block and the inner wall of guide cylinder.

[0007] As preferred, the surface of exhaust cap is provided with exhaust port, the number of exhaust port is multiple, the inner wall of exhaust port is fixedly connected with dust screen.

[0008] As preferred, one side of the exhaust cap is fixedly connected with sleeve rod, the inner chamber of sleeve rod is slidingly connected with sliding rod, one end of the sliding rod is fixedly connected to one side of blocking block.

[0009] As preferred, the surface of the sleeve rod and the slide rod is sleeved with a spring, one end of the spring is fixedly connected to one side of the exhaust cap, and the other end of the spring is fixedly connected to one side of the blocking block.

[0010] As preferred, the inner wall of the cylinder body is fixedly connected with a sealing element, the inner wall of the sealing element is slidingly connected with a piston, and one end of the piston is fixedly connected with a brake element.

[0011] As preferred, the brake element includes a brake pad, one side of the brake pad is fixedly connected to one end of the piston, one side of the brake pad is fixedly connected with a back plate, one side of the back plate is fixedly connected with a bottom layer sandwich, and one side of the bottom layer sandwich is fixedly connected with a brake pad.

[0012] As preferred, the brake element includes a brake pad, one side of the brake pad is fixedly connected to one end of the piston, one side of the brake pad is fixedly connected with a back plate, one side of the back plate is fixedly connected with a bottom layer sandwich, and one side of the bottom layer sandwich is fixedly connected with a brake pad.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses a brake oil pushes the air in the cylinder body and enters the exhaust structure and discharges, and the air will first enter the exhaust casing through the connecting pipe, and the air is discharged from the exhaust port of the exhaust cap through the flow channel around the blocking block. The dustproof net in the inner wall of the exhaust port can block the dust and impurities in the external environment as much as possible, preventing the exhaust port from being blocked. After the air is discharged, the brake oil also enters the exhaust casing through the connecting pipe, and the brake oil can displace the blocking block. The surface of the blocking block abuts against the inner wall of the guide cylinder to close the flow channel, thereby avoiding the leakage of brake oil as much as possible. The blocking block is connected with the sleeve rod through the slide rod, and the slide rod can drive the blocking block to stretch and contract along the inner wall of the sleeve rod. When the brake stops, the spring can assist the blocking block to reset, ensuring the air discharge next time. The utility model realizes the effect of air discharge and solves the problem that the brake caliper in the traditional technology is discharged through the rotation of the exhaust screw. The screw is arranged in the exhaust port, which can achieve the purpose of air discharge, but the sealing part is not tight enough, and the hydraulic oil is prone to leakage. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1 It is the overall structure of the utility model three-dimensional schematic diagram;

[0017] Figure 2 It is the exhaust structure appearance schematic diagram of the utility model;

[0018] Figure 3 It is the internal structure schematic view of the exhaust structure of the utility model;

[0019] Figure 4 It is the internal structure schematic view of the cylinder body of the utility model;

[0020] Figure 5 It is the brake member structure three-dimensional schematic view of the utility model.

[0021] In the figure: 1, bracket; 2, cylinder body; 3, oil inlet; 4, exhaust structure; 401, connecting pipe; 402, exhaust casing; 403, exhaust cap; 404, guide cylinder; 405, barrier block; 406, flow channel; 5, exhaust port; 6, dust screen; 7, sleeve rod; 8, sliding rod; 9, spring; 10, sealing element; 11, piston; 12, brake member; 1201, brake pad; 1202, back plate; 1203, bottom layer sandwich; 1204, brake pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The following will be combined with the drawings in the embodiments of the utility model to describe the technical solutions in the embodiments of the utility model clearly and completely. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Figures 1-5 The present application will be further described in detail,

[0024] The embodiments of the present application disclose an exhaust brake caliper. Referring to Figures 1 to 3 An exhaust brake caliper, comprising a bracket 1, one side of the bracket 1 is fixedly connected with a cylinder body 2, one side of the cylinder body 2 is fixedly connected with an oil inlet 3, the surface of the cylinder body 2 is provided with an exhaust structure 4;

[0025] The exhaust structure 4 comprises a connecting pipe 401, one end of the connecting pipe 401 is fixedly communicated with the inner cavity of the cylinder body 2, one end of the connecting pipe 401 is fixedly communicated with an exhaust shell 402, one side of the exhaust shell 402 is fixedly connected with an exhaust cap 403, one side of the exhaust cap 403 is fixedly connected with a guide cylinder 404, the inner cavity of the guide cylinder 404 is provided with a blocking block 405, a flow channel 406 is arranged between the surface of the blocking block 405 and the inner wall of the guide cylinder 404, the surface of the exhaust cap 403 is provided with exhaust ports 5, the number of the exhaust ports 5 is multiple, the inner wall of each exhaust port 5 is fixedly connected with a dust screen 6, one side of the exhaust cap 403 is fixedly connected with a sleeve rod 7, the inner cavity of the sleeve rod 7 is slidably connected with a sliding rod 8, one end of the sliding rod 8 is fixedly connected to one side of the blocking block 405, the surfaces of the sleeve rod 7 and the sliding rod 8 are sleeved with springs 9, one end of each spring 9 is fixedly connected to one side of the exhaust cap 403, and one end of each spring 9 is fixedly connected to one side of the blocking block 405, the exhaust brake caliper is fixedly installed on the chuck of the vehicle through the bracket 1, the oil inlet 3 on the cylinder body 2 is fixedly communicated with the oil supply pipe on the vehicle, when the vehicle brake pedal supplies oil, the brake oil enters the cylinder body 2 through the oil supply pipe and the oil inlet 3, the brake oil can push the air in the cylinder body 2 to enter the exhaust structure 4 for exhaust, the air first enters the exhaust shell 402 through the connecting pipe 401, the air around the blocking block 405 is discharged from the exhaust ports 5 of the exhaust cap 403 through the flow channel 406, the dust screen 6 in the inner wall of the exhaust port 5 can block the dust and impurities in the outside world as much as possible, so as to prevent the exhaust port 5 from being blocked, after the air is exhausted, the brake oil also enters the exhaust shell 402 through the connecting pipe 401, the brake oil can displace the blocking block 405, the surface of the blocking block 405 abuts against the inner wall of the guide cylinder 404 to close the flow channel 406, so as to avoid the leakage of the brake oil as much as possible, the blocking block 405 is connected with the sleeve rod 7 through the sliding rod 8, the sliding rod 8 can drive the blocking block 405 to stretch and contract along the inner wall of the sleeve rod 7, when the brake stops, the spring 9 can assist the blocking block 405 to reset, so as to ensure the air exhaust next time.

[0026] With reference to Figure 4 The inner wall of the cylinder body 2 is fixedly connected with a sealing element 10, the inner wall of the sealing element 10 is slidably connected with a piston 11, one end of the piston 11 is fixedly connected with a brake element 12, through the arrangement of the sealing element 10, on one hand, the sealing element 10 can avoid the pollution of the piston 11 by the dust in the outside world as much as possible, the brake oil can drive the piston 11 and the brake element 12 to provide braking force for the vehicle, on the other hand, the sealing element 10 can seal the port of the cylinder body 2, so as to ensure that the air is exhausted only through the exhaust structure 4, and improve the exhaust efficiency.

[0027] With reference to Figure 4 and Figure 5The number of the brake 12 is two groups, one side of one group of the brake 12 is fixedly connected with one end of the piston 11, and one side of the other group of the brake 12 is fixedly connected with the inner wall of the bracket 1, the brake 12 comprises a brake pad 1201, one side of the brake pad 1201 is fixedly connected with one end of the piston 11, one side of the brake pad 1201 is fixedly connected with a back plate 1202, one side of the back plate 1202 is fixedly connected with a bottom layer interlayer 1203, one side of the bottom layer interlayer 1203 is fixedly connected with a brake pad 1204, through the brake 12, the structure in the utility model is suitable for a floating type brake caliper, the brake 12 is a vulnerable part, the brake pad 1201 is used for reducing vibration and noise, the back plate 1202 can adopt a stainless steel material and can be regarded as a rigid base, the back plate 1202 and the brake pad 1204 are combined into an integrated whole through the bottom layer interlayer 1203 and act as a heat barrier, heat is transmitted from the brake pad 1204 to the caliper as much as possible, and the brake pad 1204 is made of a plurality of compounds and provides braking force for the vehicle when being attached to the chuck.

[0028] Working principle: the exhaust brake caliper is fixedly installed on the chuck of the vehicle through the bracket 1, the oil inlet 3 on the cylinder body 2 is fixedly communicated with the oil supply pipe on the vehicle, brake oil enters the cylinder body 2 through the oil supply pipe and the oil inlet 3 when the vehicle brake pedal supplies oil, the brake oil can push the air in the cylinder body 2 to enter the exhaust structure 4 for exhaust, the air will first enter the exhaust shell 402 through the connecting pipe 401, the air surrounds the blocking block 405 and is discharged from the exhaust port 5 of the exhaust cap 403 through the flow channel 406, the dust screen 6 in the inner wall of the exhaust port 5 can block the dust and impurities in the outside world as much as possible, so as to prevent the exhaust port 5 from being blocked, after the air is exhausted, the brake oil also enters the exhaust shell 402 through the connecting pipe 401, the brake oil can displace the blocking block 405, the surface of the blocking block 405 abuts against the inner wall of the guide cylinder 404, so as to close the flow channel 406, so as to avoid brake oil leakage as much as possible, the blocking block 405 is connected with the sleeve rod 7 through the slide rod 8, the slide rod 8 can drive the blocking block 405 to stretch and contract along the inner wall of the sleeve rod 7, when the brake stops, the spring 9 can assist the blocking block 405 to reset, so as to ensure air exhaust next time, the sealing element 10 can avoid the piston 11 from being polluted by the dust in the outside world as much as possible, the brake oil can push the piston 11 and the brake 12 to provide braking force for the vehicle, on the other hand, the sealing element 10 can seal the port of the cylinder body 2, so as to ensure that the air is exhausted only through the exhaust structure 4, and improve the exhaust efficiency.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. An exhaust brake caliper characterized by: Including the bracket (1), one side of the bracket (1) is fixedly connected with a cylinder (2), one side of the cylinder (2) is fixedly connected with an oil inlet (3), and the surface of the cylinder (2) is provided with an exhaust structure (4); The exhaust structure (4) includes a connecting pipe (401), one end of the connecting pipe (401) is fixedly connected with the inner cavity of the cylinder (2), one end of the connecting pipe (401) is fixedly connected with an exhaust shell (402), one side of the exhaust shell (402) is fixedly connected with an exhaust cap (403), one side of the exhaust cap (403) is fixedly connected with a guide cylinder (404), the inner cavity of the guide cylinder (404) is provided with a blocking block (405), and a flow channel (406) is arranged between the surface of the blocking block (405) and the inner wall of the guide cylinder (404).

2. An exhaust brake caliper as in claim 1 wherein: The surface of the exhaust cap (403) is provided with a plurality of exhaust ports (5), and the inner wall of each exhaust port (5) is fixedly connected with a dust screen (6).

3. An exhaust brake caliper as in claim 1 wherein: One side of the exhaust cap (403) is fixedly connected with a sleeve rod (7), the inner cavity of the sleeve rod (7) is slidably connected with a sliding rod (8), and one end of the sliding rod (8) is fixedly connected to one side of the blocking block (405).

4. An exhaust brake caliper as in claim 3 wherein: The surface of the sleeve rod (7) and the sliding rod (8) is sleeved with a spring (9), one end of the spring (9) is fixedly connected to one side of the exhaust cap (403), and the other end of the spring (9) is fixedly connected to one side of the blocking block (405).

5. An exhaust brake caliper as in claim 1 wherein: The inner wall of the cylinder (2) is fixedly connected with a sealing element (10), the inner wall of the sealing element (10) is slidably connected with a piston (11), and one end of the piston (11) is fixedly connected with a brake element (12).

6. An exhaust brake caliper according to claim 5 wherein: The brake element (12) includes a brake pad (1201), one side of the brake pad (1201) is fixedly connected to one end of the piston (11), one side of the brake pad (1201) is fixedly connected with a back plate (1202), one side of the back plate (1202) is fixedly connected with a bottom layer sandwich (1203), and one side of the bottom layer sandwich (1203) is fixedly connected with a brake pad (1204).

7. An exhaust brake caliper as in claim 5 wherein: ​