Automobile brake caliper with low-frequency noise

Abstract

The utility model relates to the technical field of automobile braking, in particular to a low-frequency noise automobile braking caliper, which is characterized in that a mounting column is rotatably mounted on the side wall of a connecting plate, the mounting column and a caliper shell are fixedly mounted, a first spring rod is rotatably mounted on the side wall of the connecting plate, and the first spring rod is fixedly mounted in the caliper shell; the end, away from the caliper shell, of the first spring rod is fixedly installed on the mounting plate, the second spring rod is fixedly installed on the side wall of the mounting plate, in the non-working state, the mounting plate is located on the side wall of the brake disc, but the mounting plate and the brake disc do not make direct contact, a gap exists, and when dirt adheres to the side wall of the brake disc, the mounting plate can remove the dirt adhering to the side wall of the brake disc; during braking, the oil cylinder drives the piston rod to move from right to left, the piston rod drives the connecting plate to turn over, the connecting plate enables the first spring rod to be compressed, the mounting plate is far away from the brake disc, the piston rod drives the damping rod to move from right to left, and therefore the functions of cleaning the side wall of the brake disc and reducing noise are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile brakes, in particular to an automobile brake caliper with low-frequency noise. Background Art

[0002] The brake caliper is a key component in a car's braking system. It's a clamp-like device typically mounted near the wheel. It clamps the brake disc to generate friction, thereby slowing or stopping the vehicle. The caliper contains components such as a piston, seals, and brake pads. When the driver depresses the brake pedal, the brake fluid is pressurized, pushing the piston inside the caliper outward. This forces the brake pads on the outside of the piston to press against the disc, reducing the wheel's rotational speed and achieving the desired braking effect.

[0003] For example, a Chinese patent discloses: an automobile brake caliper, patent number: CN220302593U, which has an opening groove on the caliper body that is convenient for observation and connected to the brake chamber. The caliper body is provided with a stabilizing unit connected to the opening groove and used to enhance the stability of the connection. The above structural arrangement facilitates observation and heat dissipation of the caliper body.

[0004] However, during the implementation of the above technical solution, it was found that at least the following technical problems exist: as mentioned above, when dirt adheres to the brake disc, the dirt may cause the surface of the brake disc to be uneven, resulting in uneven pressure distribution when the brake pad and the brake disc contact and rub, thereby generating vibration and noise. Utility Model Content

[0005] (1) Technical problems solved

[0006] In response to the shortcomings of the existing technology, the utility model provides a low-frequency noise automobile brake caliper to solve the technical problem mentioned above that when dirt adheres to the brake disc, the dirt may cause the brake disc surface to be uneven, resulting in uneven pressure distribution when the brake pad and the brake disc contact and rub, thereby generating vibration and noise.

[0007] (2) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A low-frequency noise automobile brake caliper includes a caliper housing, a brake mechanism is arranged inside the caliper housing, and the brake mechanism includes an oil cylinder, a piston rod, a connecting plate, a mounting column, a first spring rod, a mounting plate, and a second spring rod. The oil cylinder is fixedly installed inside the caliper housing, the piston rod is fixedly installed at the output end of the oil cylinder, the connecting plate is rotatably installed on the side wall of the piston rod, the mounting column is rotatably installed on the side wall of the connecting plate, the mounting column is fixedly installed on the caliper housing, the first spring rod is rotatably installed on the side wall of the connecting plate, the first spring rod is fixedly installed inside the caliper housing, the end of the first spring rod away from the caliper housing is fixedly installed on the mounting plate, and the second spring rod is fixedly installed on the side wall of the mounting plate.

[0010] Preferably, the caliper housing is made of a high-damping alloy material, a damping rod is fixedly mounted inside the piston rod, and a shock-absorbing gasket is fixedly mounted on one end of the damping rod away from the piston rod.

[0011] Preferably, a brake pad is fixedly mounted on one end of the shock-absorbing washer away from the damping rod, and a mounting ring is fixedly mounted on the side wall of the damping rod.

[0012] Preferably, the brake pad and the shock-absorbing gasket are slidably mounted inside the mounting ring, and a first fiberglass board is fixedly mounted inside the caliper housing.

[0013] Preferably, a second glass fiber board is fixedly mounted on the side wall of the caliper housing, and heat dissipation holes are provided on the second glass fiber board and the side wall of the caliper housing.

[0014] Preferably, a brake disc is movably mounted inside the caliper housing, and an annular groove is provided inside the brake disc.

[0015] (3) Beneficial effects

[0016] 1. When not in operation, the mounting plate is located on the side wall of the brake disc but the two are not in direct contact and there is a gap. At this time, when dirt sticks to the side wall of the brake disc, the mounting plate can remove the dirt stuck on the side wall of the brake disc. When braking, the oil cylinder drives the piston rod to move from right to left, and the piston rod drives the connecting plate to flip. The connecting plate compresses the first spring rod, and the mounting plate will move away from the brake disc. The piston rod drives the damping rod to move from right to left. When the brake pad contacts the brake disc, braking is performed, and the shock-absorbing gasket will absorb vibration and reduce noise, thereby cleaning the side wall of the brake disc and reducing noise.

[0017] 2. The first fiberglass board will absorb the noise generated by the friction of the brake disc. The material of the caliper housing is a high-damping alloy material, which can effectively absorb vibration energy and reduce noise transmission. The second fiberglass board will further reduce the spread of noise, thereby achieving the function of reducing noise transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0019] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0020] Figure 2 This is a structural diagram of the annular groove of the utility model;

[0021] Figure 3 This is a structural diagram of the first glass fiber board of the present utility model;

[0022] Figure 4 This is a structural diagram of the oil cylinder of the present utility model.

[0023] Legend: 11. Caliper housing; 12. Cylinder; 13. Piston rod; 14. Connecting plate; 15. Mounting column; 16. First spring rod; 17. Mounting plate; 18. Second spring rod; 19. Damping rod; 21. Shock-absorbing gasket; 22. Brake pad; 23. Mounting ring; 24. First fiberglass board; 25. Second fiberglass board; 26. Heat dissipation hole; 27. Brake disc; 28. Annular groove. DETAILED DESCRIPTION

[0024] The embodiment of the present application provides a low-frequency noise automobile brake caliper, which effectively solves the problem as mentioned above that when dirt adheres to the brake disc, the dirt may cause the brake disc surface to be uneven, resulting in uneven pressure distribution when the brake pad and the brake disc contact and rub, thereby generating vibration and noise. When not in operation, the mounting plate is located on the side wall of the brake disc but the two are not in direct contact and there is a gap. At this time, when dirt adheres to the side wall of the brake disc, the mounting plate can remove the dirt adhered to the side wall of the brake disc. When braking, the oil cylinder drives the piston rod to move from right to left, and the piston rod drives the connecting plate to flip Turn, the connecting plate compresses the first spring rod, the mounting plate will move away from the brake disc, the piston rod drives the damping rod to move from right to left, and when the brake pad contacts the brake disc, braking is performed. The shock-absorbing gasket will absorb vibration and reduce noise, thereby cleaning the side wall of the brake disc and reducing noise. The first fiberglass board will absorb the noise generated by the friction of the brake disc. The material of the caliper housing is a high-damping alloy material, which can effectively absorb vibration energy and reduce noise propagation. The second fiberglass board will further reduce the spread of noise, thereby achieving the function of reducing noise propagation.

[0025] Example

[0026] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the technical solution in the embodiment of the present application effectively solves the technical problem as mentioned above that when dirt adheres to the brake disc, the dirt may cause the brake disc surface to be uneven, resulting in uneven pressure distribution when the brake pad and the brake disc contact and rub, thereby generating vibration and noise. The overall idea is as follows: A low-frequency noise automobile brake caliper includes a caliper housing 11, a brake mechanism is arranged inside the caliper housing 11, the brake mechanism includes an oil cylinder 12, a piston rod 13, a connecting plate 14, a mounting column 15, a first spring rod 16, a mounting plate 17 and a second spring rod 18, the oil cylinder 12 is fixedly installed inside the caliper housing 11, the piston rod 13 is fixedly installed at the output end of the oil cylinder 12, the connecting plate 14 is rotatably installed on the side wall of the piston rod 13, the mounting column 15 is rotatably installed on the side wall of the connecting plate 14, the mounting column 15 is fixedly installed on the caliper housing 11, and the first spring rod 16 is rotatably installed on the side wall of the connecting plate 14 When the brake pad 22 contacts the brake disc 27, the shock absorbing pad 21 will absorb the vibration and reduce the noise, thereby achieving the function of cleaning the side wall of the brake disc 27 and reducing the noise.

[0027] The caliper housing 11 is made of a high-damping alloy material, a damping rod 19 is fixedly installed inside the piston rod 13, a shock-absorbing gasket 21 is fixedly installed on the end of the damping rod 19 away from the piston rod 13, a brake pad 22 is fixedly installed on the end of the shock-absorbing gasket 21 away from the damping rod 19, a mounting ring 23 is fixedly installed on the side wall of the damping rod 19, the brake pad 22 and the shock-absorbing gasket 21 are slidably installed inside the mounting ring 23, a first fiberglass board 24 is fixedly installed inside the caliper housing 11, a second fiberglass board 25 is fixedly installed on the side wall of the caliper housing 11, and heat dissipation holes 26 are provided on the second fiberglass board 25 and the side wall of the caliper housing 11. The first fiberglass board 24 will absorb the noise generated by the friction of the brake disc 27, and the material of the caliper housing 11 is a high-damping alloy material, which can effectively absorb vibration energy and reduce noise propagation. The second fiberglass board 25 will further reduce the propagation of noise, thereby achieving the function of reducing noise propagation.

[0028] A brake disc 27 is movably mounted inside the caliper housing 11 . An annular groove 28 is provided inside the brake disc 27 to increase the heat dissipation area of ​​the brake disc 27 and improve the heat dissipation efficiency of the brake disc 27 .

[0029] In view of the problems existing in the prior art, the utility model provides a low-frequency noise automobile brake caliper. In the non-working state, the mounting plate 17 is located on the side wall of the brake disc 27, but the two are not in direct contact and there is a gap. At this time, when dirt is adhered to the side wall of the brake disc 27, the mounting plate 17 can remove the dirt adhered to the side wall of the brake disc 27. When braking, the oil cylinder 12 drives the piston rod 13 to move from right to left, and the piston rod 13 drives the connecting plate 14 to flip. The connecting plate 14 compresses the first spring rod 16, and the mounting plate 17 will be away from the brake disc 27. The piston rod 13 drives the damping rod 19 to move from right to left. When the brake pad 22 contacts the brake disc 27, braking is performed. The shock-absorbing gasket 21 will absorb vibration and reduce noise, thereby cleaning the side wall of the brake disc 27 and reducing noise. The first fiberglass board 24 will absorb the noise generated by the friction of the brake disc 27. The material of the caliper housing 11 is a high-damping alloy material, which can effectively absorb vibration energy and reduce noise propagation. The second fiberglass board 25 will further reduce the spread of noise, thereby achieving the function of reducing noise propagation.

[0030] Working principle:

[0031] The first step is that when in the non-working state, the mounting plate 17 is located on the side wall of the brake disc 27 but the two are not in direct contact and there is a gap. At this time, when dirt is stuck on the side wall of the brake disc 27, the mounting plate 17 can remove the dirt stuck on the side wall of the brake disc 27. When braking, the oil cylinder 12 drives the piston rod 13 to move from right to left, and the piston rod 13 drives the connecting plate 14 to flip. The connecting plate 14 compresses the first spring rod 16, and the mounting plate 17 will move away from the brake disc 27. The piston rod 13 drives the damping rod 19 to move from right to left. When the brake pad 22 contacts the brake disc 27, braking is performed, and the shock-absorbing gasket 21 will absorb vibration and reduce noise, thereby achieving the function of cleaning the side wall of the brake disc 27 and reducing noise generation.

[0032] In the second step, the first glass fiber board 24 will absorb the noise generated by the friction of the brake disc 27. The material of the caliper housing 11 is a high-damping alloy material, which can effectively absorb vibration energy and reduce noise propagation. The second glass fiber board 25 will further reduce the spread of noise, thereby achieving the function of reducing noise propagation.

[0033] Finally, it should be noted that the above embodiments are merely examples for the purpose of illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to provide an exhaustive list of all possible embodiments. However, any obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A low-frequency noise automobile brake caliper, comprising a caliper housing (11), characterized in that: A braking mechanism is provided inside the caliper housing (11), and the braking mechanism comprises an oil cylinder (12), a piston rod (13), a connecting plate (14), a mounting post (15), a first spring rod (16), a mounting plate (17) and a second spring rod (18); the oil cylinder (12) is fixedly mounted inside the caliper housing (11); the piston rod (13) is fixedly mounted on the output end of the oil cylinder (12); the connecting plate (14) is rotatably mounted on the side wall of the piston rod (13); the mounting post (15) is rotatably mounted on the side wall of the connecting plate (14); the mounting post (15) is fixedly mounted on the caliper housing (11); and the first spring rod (16) is rotatably mounted on the side wall of the connecting plate (14); The first spring rod (16) is fixedly mounted inside the caliper housing (11), one end of the first spring rod (16) away from the caliper housing (11) is fixedly mounted to the mounting plate (17), and the second spring rod (18) is fixedly mounted on the side wall of the mounting plate (17).

2. A low-frequency noise automobile brake caliper according to claim 1, characterized in that: The caliper housing (11) is made of a high-damping alloy material, and a damping rod (19) is fixedly installed inside the piston rod (13); Wherein, a shock-absorbing washer (21) is fixedly mounted on one end of the damping rod (19) away from the piston rod (13).

3. The low-frequency noise automobile brake caliper according to claim 2, characterized in that: A brake pad (22) is fixedly mounted on one end of the shock-absorbing pad (21) away from the damping rod (19); Wherein, a mounting ring (23) is fixedly mounted on the side wall of the damping rod (19).

4. A low-frequency noise automobile brake caliper as claimed in claim 3, characterized in that: The brake pad (22) and the shock-absorbing pad (21) are slidably mounted inside the mounting ring (23); Wherein, a first glass fiber board (24) is fixedly installed inside the caliper housing (11).

5. The low-frequency noise automobile brake caliper according to claim 4, characterized in that: A second glass fiber board (25) is fixedly mounted on the side wall of the caliper housing (11); Wherein, the second glass fiber board (25) and the side wall of the caliper housing (11) are both provided with heat dissipation holes (26).

6. The low-frequency noise automobile brake caliper according to claim 5, characterized in that: A brake disc (27) is movably mounted inside the caliper housing (11); Wherein, an annular groove (28) is provided inside the brake disc (27).

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