Brake caliper assembly

Abstract

The utility model discloses a brake caliper assembly which comprises a brake disc and a caliper body used for braking the brake disc, a jaw is arranged in the middle of the caliper body, two brake pads are symmetrically arranged in the jaw, and hydraulic driving mechanisms for driving the two brake pads to move inwards and / or outwards at the same time are arranged on the inner walls of the left side and the right side of the caliper body. The induction piece corresponding to the Hall sensor is reserved in the brake pad, the brake pad can abrade the induction piece in the gradual abrasion process of the brake pad, at the moment, the difference between data received by the Hall sensor and previous data is large, a driver can be reminded that the brake pad needs to be replaced through a vehicle control system, and the brake pad can be replaced conveniently. The residual thickness of the brake pad can be detected, so that the safety of subsequent driving is ensured; and secondly, a guide rod and a spring are designed between the two mounting plates, so that resilience force can be provided while an auxiliary guide effect is achieved for movement of the brake pad, and the brake pad can return quickly.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake calipers, in particular to a brake caliper assembly. Background Art

[0002] The hydraulic brake caliper includes a caliper body, on which brake pads are arranged on both sides of the brake disc. The brake pads are pushed toward the brake disc by the action of hydraulic pressure, and the brake disc is clamped by the brake pads to achieve the purpose of vehicle braking.

[0003] Brake pads are wearing parts. After long-term use, the brake pads of the brake caliper need to be replaced to avoid affecting the braking effect of the vehicle. At present, the remaining thickness of the brake pads is generally observed by the naked eye. Since the brake pads are accommodated inside the brake caliper, it is difficult to observe the remaining thickness of the brake pads due to the obstruction of the brake caliper. The phenomenon of premature or late replacement often occurs. Premature replacement will cause waste of materials, while late replacement will affect the overall braking effect, resulting in excessive braking distance and prone to safety accidents. Utility Model Content

[0004] The purpose of the utility model is to provide a brake caliper assembly in order to solve the above-mentioned problem.

[0005] The technical solution adopted by the utility model is as follows: a brake caliper assembly, including a brake disc and a caliper body for braking the brake disc, the caliper body having a jaw in the middle and two brake pads symmetrically arranged in the jaw, the left and right inner walls of the caliper body being provided with a hydraulic drive mechanism for driving the two brake pads to move inward and / or outward at the same time, wherein: the hydraulic drive mechanism comprises a T-shaped three-way pipe connected to an external vehicle hydraulic system, two pistons and two mounting plates respectively connected to opposite ends of the two pistons, the two brake pads are respectively detachably mounted on the mounting plates, one of the mounting plates being internally embedded with a Hall sensor electrically connected to an external vehicle control system, and the brake pad being internally embedded with a sensing component arranged opposite to the Hall sensor.

[0006] In a preferred embodiment, oil pipes connected to the two pipe openings of the T-shaped three-way pipe extend from the left and right ends of the caliper body respectively, and piston cavities connected to the oil pipes are relatively arranged inside the two ends of the caliper body, and the two piston guides slide in the piston cavities.

[0007] In a preferred embodiment, the sensing element is located at 1 / 3 to 5 to 2 of the thickness of the brake pad, and the thickness of the sensing element is 0.5 mm to 0.8 mm.

[0008] In a preferred embodiment, dust covers are provided at opposite ends of the two piston chambers, a through hole is provided in the center of the dust cover for the piston to pass through, and a Gley sealing ring which cooperates with the piston to seal is embedded in the inner circumference of the dust cover.

[0009] In a preferred embodiment, the opposite ends of the two brake pads are arranged on both sides of one end of the brake disc.

[0010] In a preferred embodiment, guide rods are symmetrically arranged at the front and rear ends of the jaws of the pliers body with the T-shaped three-way pipe as the central axis, and holes that can guide sliding on the guide rods are correspondingly opened at the front and rear ends of the mounting plates, and a spring is sleeved on the guide rod between the two mounting plates.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0012] 1. In the present invention, a sensing element corresponding to the Hall sensor is reserved in the brake pad. When the brake pad is gradually worn, the sensing element will be worn away. At this time, the data received by the Hall sensor is greatly different from the previous data, and the vehicle control system can be used to remind the driver that the brake pad needs to be replaced. The remaining thickness of the brake pad can be detected to ensure the safety of subsequent driving.

[0013] 2. In the utility model, a T-shaped three-way pipe is used between the two piston chambers as a conveying part of the hydraulic oil, and the hydraulic oil can be introduced into the two piston chambers at the same time. The two pistons can move basically at the same time, so that the wear degree of the two brake pads can be basically consistent, and the overall braking effect can be guaranteed;

[0014] 3. In the utility model, a guide rod and a spring are designed between the two mounting plates, which can not only play an auxiliary guiding role for the movement of the brake pad, but also provide a rebound force to make the brake pad return to its position quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional plan structure of the utility model as a whole;

[0017] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point a in the middle.

[0018] Markings in the figure: 1-caliper body, 2-T-shaped three-way pipe, 3-oil pipe, 4-mounting plate, 5-guide rod, 6-brake pad, 7-brake disc, 8-spring, 9-sensing element, 10-piston, 11-piston chamber, 12-Hall sensor, 13-dust cover, 14-Glay sealing ring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] Reference Figure 1-3 A brake caliper assembly includes a brake disc 7 and a caliper body 1 for braking the brake disc 7. The caliper body 1 has a jaw in the middle and two brake pads 6 are symmetrically arranged in the jaw. The inner walls of the left and right sides of the caliper body 1 are provided with a hydraulic drive mechanism for driving the two brake pads 6 to move inward and / or outward at the same time, wherein: the hydraulic drive mechanism includes a T-shaped three-way pipe 2 connected to an external vehicle hydraulic system (not shown in the figure), two pistons 10 and two mounting plates 4 respectively connected to the opposite ends of the two pistons 10, the two brake pads 6 are respectively detachably mounted on the mounting plates 4, the opposite ends of the two brake pads 6 are arranged on both sides of one end of the brake disc 7, and one mounting plate A Hall sensor 12 electrically connected to an external vehicle control system is embedded inside the brake pad 6, and a sensing element 9 arranged opposite to the Hall sensor 12 is embedded inside the brake pad 6. A sensing element 9 corresponding to the Hall sensor 12 is reserved inside the brake pad 6. During the gradual wear of the brake pad 6, the brake pad 6 will wear out the sensing element 9. At this time, the data received by the Hall sensor 12 is greatly different from the previous data, and the vehicle control system (such as the vehicle-mounted host, not shown in the figure) can be used to remind the driver that the brake pad 6 needs to be replaced, and the remaining thickness of the brake pad 6 can be detected to ensure the safety of subsequent driving.

[0021] The induction element 9 is preferably a rubber magnet, which can be worn along with the wear of the brake pad 6 without generating noise during the wear, and the rubber magnet itself also has good anti-slip capability.

[0022] Furthermore, the sensing element 9 is located at 1 / 3 to 5 to 2 of the thickness of the brake pad 6. The thickness of the sensing element 9 is 0.5 mm to 0.8 mm. The sensing element 9 is preferably circular as a whole. When the thickness of the brake pad 6 is above 1 / 3 to 5 to 2, the brake pad 6 can still meet normal braking requirements. When it reaches below 1 / 3 to 5 to 2, the braking effect of the brake pad 5 is poor, so it is set within the range of 1 / 3 to 5 to 2.

[0023] Furthermore, oil pipes 3 connected to the two pipe openings of the T-shaped three-way pipe 2 are respectively extended from the left and right ends of the caliper body 1, and piston chambers 11 connected to the oil pipe 3 are relatively arranged inside the two ends of the caliper body 1. The two pistons 10 are guided and slid in the piston chambers 11. The T-shaped three-way pipe 2 is used as a hydraulic oil delivery part between the two piston chambers 11, and the hydraulic oil can be introduced into the two piston chambers 11 at the same time. The two pistons 10 can move basically at the same time, so that the wear degree of the two brake pads 6 can be basically consistent, and the overall braking effect can be guaranteed. Moreover, after the above design, only a single set of Hall sensors 12 needs to be designed.

[0024] Furthermore, dust covers 13 are provided at the opposite ends of the two piston chambers 11, and a through hole is opened in the center of the dust cover 13 to allow the piston 10 to pass through. A Gley sealing ring 14 that cooperates with the piston 10 to seal is embedded in the inner circumferential surface of the dust cover 13. The traditional rubber sealing ring is replaced with the Gley sealing ring 14. The Gley sealing ring 14 includes an anti-wear part at the outer end and an internal rubber ring part. After assembly, the built-in rubber ring plays a role of elastic outward and tight sealing, and the anti-wear part at the outer end will stick to the piston 10 due to the elastic force of the rubber ring. While the main shaft is not easy to wear, the sealing effect can be greatly improved, and hydraulic oil leakage is not easy to occur.

[0025] Furthermore, guide rods 5 are symmetrically provided at the front and rear ends of the jaws of the caliper body 1 with the T-shaped three-way pipe 2 as the central axis, and holes that can guide sliding on the guide rods 5 are correspondingly opened at the front and rear ends of the mounting plates 4. A spring 8 is sleeved on the guide rods 5 between the two mounting plates 4. The guide rods 5 and springs 8 are designed between the two mounting plates 4, which can not only play an auxiliary guiding role in the movement of the brake pads 6, but also provide rebound force, so that the brake pads 6 can return to their positions quickly.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake caliper assembly, comprising a brake disc and a caliper body for braking the brake disc, characterized in that: The caliper body has a jaw in the middle and two brake pads are symmetrically arranged in the jaw. The inner walls on the left and right sides of the caliper body are provided with a hydraulic drive mechanism that drives the two brake pads to move inward and / or outward at the same time, wherein: the hydraulic drive mechanism includes a T-shaped three-way pipe connected to the hydraulic system of an external vehicle, two pistons and two mounting plates respectively connected to the opposite ends of the two pistons, and the two brake pads are respectively detachably mounted on the mounting plates, one of the mounting plates is embedded with a Hall sensor electrically connected to the external vehicle control system, and the brake pad is embedded with a sensing component arranged opposite to the Hall sensor.

2. A brake caliper assembly according to claim 1, characterized in that: Oil pipes connected to the two pipe openings of the T-shaped three-way pipe extend out from the left and right ends of the caliper body respectively. Piston cavities connected to the oil pipes are arranged oppositely inside the two ends of the caliper body, and the two piston guides slide in the piston cavities.

3. A brake caliper assembly according to claim 1, characterized in that: The sensing element is located at a position of 1 / 3 to 5 to 2 of the thickness of the brake pad, and the thickness of the sensing element is 0.5 mm to 0.8 mm.

4. A brake caliper assembly according to claim 1, characterized in that: Dust covers are provided at opposite ends of the two piston chambers, a through hole is provided in the center of the dust cover for the piston to pass through, and a Gley sealing ring which cooperates with the piston for sealing is embedded in the inner circumference of the dust cover.

5. A brake caliper assembly according to claim 1, characterized in that: The opposite ends of the two brake pads are arranged on both sides of one end of the brake disc.

6. A brake caliper assembly according to claim 1, characterized in that: Guide rods are symmetrically arranged at the front and rear ends of the jaws of the pliers body with the T-shaped three-way pipe as the central axis, and holes that can guide and slide on the guide rods are correspondingly opened at the front and rear ends of the mounting plates, and a spring is sleeved on the guide rod between the two mounting plates.

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