Automobile brake caliper

Abstract

The utility model relates to the technical field of automobile brake equipment, and discloses an automobile brake caliper which comprises a brake support and a brake disc arranged in the middle of the brake support, a first brake bearing plate and a second brake bearing plate penetrate through the brake support and are arranged on the left side and the right side of the brake disc respectively, and the second brake bearing plate is driven by a cavity to horizontally move left and right. Electromagnets connected with the control circuit are arranged on the sides, facing the brake disc, of the first brake bearing plate and the second brake bearing plate, the outer ring of the brake disc is sleeved with a layer of magnetic ring, the magnetic ring is composed of permanent magnets, and when the control circuit sends out a brake instruction, the electromagnets of the first brake bearing plate and the second brake bearing plate work; the second brake bearing plate is pushed towards the first brake bearing plate through the cavity, then the magnetic force of the electromagnet is reduced, braking is completed through contact friction between the first brake bearing plate and the brake disc and between the second brake bearing plate and the brake disc, preliminary speed reduction is conducted through the magnetic field repulsion effect, and abrasion is reduced without a contact mode.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile brake equipment, in particular to an automobile brake caliper. Background Art

[0002] The automobile brake caliper is a key component in the braking system, also known as a caliper disc brake, which is a type of disc brake. Its main function is to convert brake hydraulic pressure into mechanical force, and produce a braking effect by fixing the brake pads, thereby slowing down or stopping the vehicle. The more pistons there are in the brake caliper, the greater and more stable the braking force. There are two main types of brake calipers: floating and fixed. The movement of the floating brake caliper is in and out. This type of brake caliper can only have a maximum of two pistons on the inside of the rotor. After stepping on the brake pedal, the piston will compress the entire caliper, causing friction on all sides of the rotor. The pistons of the fixed brake caliper are located on the inside and outside of the rotor. Some fixed calipers contain more than two pistons on both sides. The brake caliper is an important component to ensure the safety of automobile driving. The quality of its performance directly affects the braking effect and driving safety of the automobile. Therefore, in daily automobile maintenance and care, inspection and maintenance of the brake caliper are also very important.

[0003] In the daily braking process, the wear of the brake disc is inevitable. If the brake pad is worn unevenly or is improperly positioned during installation, it may cause vibration during the braking process. The unevenly worn brake pad will produce uneven braking force when contacting the brake disc, which will cause vibration. Especially for the floating brake caliper, one side of the brake disc is first contacted and rubbed for braking, which is extremely easy to cause uneven wear and lead to vibration. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an automobile brake caliper, which has the advantages of less wear on the brake disc and linear braking, and solves the problems of severe brake wear and large vibration.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of less wear on the brake disc and linear braking, the utility model provides the following technical solutions: a car brake caliper, including an L-shaped brake bracket, a brake disc arranged in the middle of the brake bracket, a first brake bearing plate and a second brake bearing plate passing through the brake bracket and respectively arranged on the left and right sides of the brake disc, the second brake bearing plate is driven by the cavity to translate left and right, the first brake bearing plate and the second brake bearing plate are provided with an electromagnet connected to the control circuit toward the brake disc side, the outer ring of the brake disc is covered with a layer of magnetic ring, and the magnetic ring is composed of permanent magnets. When the control circuit issues a braking command, the electromagnets of the first brake bearing plate and the second brake bearing plate work, and the second brake bearing plate is pushed toward the first brake bearing plate by the cavity, and then the magnetic force of the electromagnet is reduced, and the braking is completed by the contact friction between the first brake bearing plate and the second brake bearing plate and the brake disc.

[0008] Preferably, the magnetic force of the electromagnet is controlled by a control circuit, and the control circuit changes the initial magnetic force of the electromagnet according to the pedaling force of the brake plate, so that rapid braking can be achieved in an emergency to avoid danger.

[0009] Preferably, a liquid inlet pipe is provided on the side of the cavity away from the second brake supporting plate, and the movement of the second brake supporting plate is controlled by hydraulic pressure inside the cavity. The hydraulic braking system can provide a smooth and gentle braking effect, so that the driver can feel better controllability and comfort during braking. The hydraulic braking system is simpler in structure than other braking systems, which makes its maintenance relatively easy and also reduces manufacturing costs. After years of development and optimization, the hydraulic braking system has mature technology and high reliability, and is suitable for various vehicle models and braking requirements. The hydraulically controlled brake caliper can control the braking force and braking speed by adjusting the pressure and flow of the brake fluid during braking, thereby achieving a shock absorbing effect.

[0010] Preferably, the first brake supporting plate is fixed on a movable bracket, and the movable bracket is arranged in the brake bracket and has a pin underneath. The spacing between the first brake supporting plate and the second brake supporting plate can be adjusted by the pin, which facilitates adjustment on different vehicle models and is more convenient during assembly, disassembly and maintenance.

[0011] Preferably, the brake disc is made of titanium alloy material. Titanium alloy has the characteristics of high strength and low density, which means that it can reduce the overall weight of the brake disc while providing sufficient strength. During braking, a lighter brake disc can reduce the required braking energy, improve braking efficiency, and help reduce the inertia of the vehicle, thereby improving the vehicle's handling and fuel economy. Titanium alloy is a non-magnetic material, which means that it is not easily affected by external magnetic fields and will not be magnetized due to changes in the magnetic field, thereby avoiding the magnetization of the magnetic ring that affects the braking effect. Titanium alloy has a high hardness and good wear resistance, which means that the brake disc can still maintain good surface finish and braking performance after long-term use, reducing performance degradation and replacement frequency due to wear.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides an automobile brake caliper, which has the following beneficial effects:

[0014] 1. The automobile brake caliper is connected through the electromagnet on the inner side of the first brake carrier plate and the second brake carrier plate, and generates the same magnetic force as the magnetic ring on the brake disc. The hydraulic oil is introduced into the cavity to drive the second brake carrier plate to approach the brake disc. Under the repulsive effect of the magnetic field, the brake disc moves toward the first brake carrier plate. When the distance between the brake disc and the first brake carrier plate is reduced, the repulsive effect of the magnetic fields on both sides generates a torque opposite to the original direction of the brake disc, so that the brake disc is initially decelerated and reaches a state of dynamic balance. Then the electromagnet is reduced and turned off, and the second brake carrier plate is pushed to cooperate with the first brake carrier plate to clamp the brake disc for friction contact deceleration. This deceleration method is in the first brake carrier plate. The plate and the second brake carrier plate can perform preliminary deceleration before they contact the brake disc. Compared with ordinary braking deceleration, the overall deceleration is more linear, which reduces the time of friction deceleration and avoids vibration when braking at high speed. At the same time, it reduces the wear of parts and increases the service life of parts, avoids serious wear or aging of brake parts, causing their surfaces to become rough and uneven. The contact area between the first brake carrier plate and the second brake carrier plate and the brake disc will change during braking, generating uneven braking force, thereby causing vibration. At the same time, after the preliminary deceleration, friction contact deceleration is performed to avoid incomplete braking and dangerous situations.

[0015] 2. The automobile brake caliper has an overall structure of a floating brake caliper. The floating brake caliper allows the brake caliper body to have a certain floating space relative to the brake disc during braking. This design can reduce the stress caused by irregular wear or improper installation of the brake disc, thereby contributing to shock absorption. At the same time, the first brake bearing plate is fixed on the movable bracket, and the movable bracket is arranged in the brake bracket. A pin is provided below, and the spacing between the first brake bearing plate and the second brake bearing plate can be adjusted by the pin, which is convenient for adjustment on different vehicle models and more convenient during assembly, disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] In the figure: 1, brake disc; 2, cavity; 11, magnetic ring; 21, first brake bearing plate; 22, second brake bearing plate; 211, movable bracket; 212, pin; 221, brake bracket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 , a vehicle brake caliper, comprising an L-shaped brake bracket 221, a brake disc 1 arranged in the middle of the brake bracket 221, a first brake carrier plate 21 and a second brake carrier plate 22 passing through the brake bracket 221 and arranged on the left and right sides of the brake disc 1 respectively, the second brake carrier plate 22 is driven by the cavity 2 to translate left and right, the first brake carrier plate 21 and the second brake carrier plate 22 are provided with an electromagnet connected to the control circuit on the side facing the brake disc 1, the outer ring of the brake disc 1 is sleeved with a layer of magnetic ring 11, and the magnetic ring 11 is composed of a permanent magnet. When the control circuit issues a braking command, the electromagnets of the first brake carrier plate 21 and the second brake carrier plate 22 work, and the second brake carrier plate 22 is pushed toward the first brake carrier plate 21 by the cavity 2, and then the magnetic force of the electromagnet is reduced, and the braking is completed by the contact friction between the first brake carrier plate 21 and the second brake carrier plate 22 and the brake disc 1.

[0020] The magnetic force of the electromagnet is controlled by a control circuit, and the control circuit changes the initial magnetic force of the electromagnet according to the pedaling force of the brake plate. In case of emergency, rapid braking can be achieved to avoid danger.

[0021] A liquid inlet pipe is provided on the side of the cavity 2 away from the second brake supporting plate 22. The movement of the second brake supporting plate 22 is controlled by hydraulic pressure inside the cavity 2. The hydraulic braking system can provide a smooth and gentle braking effect, so that the driver can feel better controllability and comfort during braking. The hydraulic braking system is simpler in structure than other braking systems, which makes its maintenance relatively easy and also reduces manufacturing costs. After years of development and optimization, the hydraulic braking system has mature technology and high reliability, and is suitable for various vehicle models and braking requirements. The hydraulically controlled brake caliper can control the braking force and braking speed by adjusting the pressure and flow of the brake fluid during braking, thereby achieving a shock absorbing effect.

[0022] The first brake supporting plate 21 is fixed on a movable bracket 211, and the movable bracket 211 is arranged in a brake bracket 221, and a pin 212 is provided at the bottom. The spacing between the first brake supporting plate 21 and the second brake supporting plate 22 can be adjusted by the pin 212, which is convenient for adjustment on different vehicle models and more convenient during assembly, disassembly and maintenance.

[0023] The brake disc 1 is made of titanium alloy material, which has the characteristics of high strength and low density, which means that it can reduce the overall weight of the brake disc while providing sufficient strength. During braking, the lighter brake disc 1 can reduce the required braking energy, improve braking efficiency, and help reduce the inertia of the vehicle, thereby improving the vehicle's handling and fuel economy. Titanium alloy is a non-magnetic material, which means that it is not easily affected by external magnetic fields and will not be magnetized due to changes in the magnetic field, thereby avoiding the magnetization of the magnetic ring 11 that affects the braking effect. Titanium alloy has high hardness and good wear resistance, which means that the brake disc can still maintain good surface finish and braking performance after long-term use, reducing performance degradation and replacement frequency due to wear.

[0024] Working principle: When the user steps on the pedal, the control circuit sends out a command, and the electromagnets on the inner sides of the first brake carrier plate 21 and the second brake carrier plate 22 are connected, generating the same magnetic force as the magnetic ring 11 on the brake disc 1. Hydraulic oil is introduced into the cavity 2 to drive the second brake carrier plate 22 to approach the brake disc 1. Under the repulsive effect of the magnetic field, the brake disc 1 moves toward the first brake carrier plate 21. When the distance between the brake disc 1 and the first brake carrier plate 21 decreases, the repulsive effect of the magnetic fields on both sides generates a torque opposite to the original direction of the brake disc 1, causing the brake disc 1 to initially decelerate and reach a state of dynamic balance. Subsequently, the electromagnet is reduced and turned off, pushing the second brake carrier plate 22 so that it cooperates with the first brake carrier plate 21 to clamp the brake disc 1 for friction contact deceleration. This deceleration method can perform preliminary deceleration before the first brake carrier plate 21 and the second brake carrier plate 22 contact the brake disc 1. Compared with ordinary braking deceleration, the overall deceleration is more linear, the friction deceleration time is reduced, and vibration is avoided when braking at high speed. At the same time, the wear of parts is reduced, the service life of parts is increased, and the brake parts are prevented from being severely worn or aged, resulting in their surface becoming rough and uneven. The contact area between the first brake carrier plate 21 and the second brake carrier plate 22 and the brake disc 1 will change during braking, generating uneven braking force, thereby causing vibration. At the same time, after the preliminary deceleration, friction contact deceleration is performed to avoid incomplete braking and dangerous situations.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle brake caliper, comprising an L-shaped brake bracket (221), a brake disc (1) arranged in the middle of the brake bracket (221), a first brake bearing plate (21) and a second brake bearing plate (22) passing through the brake bracket (221) and respectively arranged on the left and right sides of the brake disc (1), the second brake bearing plate (22) being driven by a cavity (2) to translate left and right, characterized in that: The first brake carrier plate (21) and the second brake carrier plate (22) are provided with electromagnets connected to the control circuit on the side facing the brake disc (1); the outer ring of the brake disc (1) is covered with a layer of magnetic ring (11), and the magnetic ring (11) is composed of a permanent magnet; When the control circuit issues a braking command, the electromagnets of the first brake carrier plate (21) and the second brake carrier plate (22) operate, and the second brake carrier plate (22) is pushed toward the first brake carrier plate (21) by the cavity (2), and then the magnetic force of the electromagnet is reduced, and braking is completed through the contact friction between the first brake carrier plate (21) and the second brake carrier plate (22) and the brake disc (1).

2. The automobile brake caliper according to claim 1, characterized in that: The magnitude of the magnetic force of the electromagnet is controlled by a control circuit, and the control circuit changes the initial magnitude of the magnetic force of the electromagnet according to the pedaling force of the brake plate.

3. The automobile brake caliper according to claim 1, characterized in that: A liquid inlet pipe is provided on a side of the cavity (2) away from the second brake bearing plate (22), and the movement of the second brake bearing plate (22) is controlled by hydraulic pressure inside the cavity (2).

4. The automobile brake caliper according to claim 1, characterized in that: The first brake support plate (21) is fixed on a movable bracket (211), and the movable bracket (211) is arranged in a brake bracket (221) and has a pin (212) below. The spacing between the first brake support plate (21) and the second brake support plate (22) can be adjusted by the pin (212).

5. The automobile brake caliper according to claim 1, characterized in that: The brake disc (1) is made of titanium alloy material.

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