CN218598690U - Brake caliper - Google Patents

Abstract

The utility model discloses a brake caliper, including the brake caliper body, MGU with set up in the brake caliper body with the thermal-insulated component that just adopts thermal insulation material to make between the MGU. The utility model discloses a braking pincers, through set up thermal-insulated component between the braking pincers body and MGU, can prevent that too high temperature from appearing in motor and gear at braking process.

Description

Brake caliper

Technical Field

The utility model belongs to the technical field of braking system, specifically speaking, the utility model relates to a brake caliper.

Background

When the vehicle is braked, the kinetic energy of the vehicle is converted into a large amount of heat energy through the friction between the friction plate and the brake disc, and the heat energy can cause the temperature of an electronic mechanical brake (electromechanicalbrake) to rise, so that the work of the motor and the gear transmission mechanism is influenced. Particularly, the high temperature of the motor can cause the temperature of the magnet of the motor to rise, the magnetism to fall and the resistance of the lead to increase, thereby influencing the output power of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a brake caliper, the purpose is the motor of avoiding the executor in the working process and the high temperature of gear.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: the brake caliper comprises a brake caliper body, an MGU and a heat insulation element which is arranged between the brake caliper body and the MGU and is made of heat insulation materials.

The heat insulating material is a high polymer material or an inorganic non-metal material.

The high polymer material is plastic, rubber, highland barley paper, rock wool board or foamed ceramic board.

The insulating element includes an insulating mat disposed between the caliper body and the MGU.

The heat insulation element comprises a heat insulation ring arranged between the MGU and the brake caliper body, and the heat insulation ring has a sealing function.

The insulating element includes an insulating ring, an insulating sleeve disposed between the caliper body and the MGU.

The MGU comprises a transmission piece, and the heat insulation ring is arranged between the transmission piece and the brake caliper body.

The heat shield element comprises a heat shield sleeve arranged between the transmission element and the coupling and used for transmitting torque.

The heat insulation bushing is connected with the transmission piece and the coupler through splines.

The MGU comprises an electric motor, the heat insulation element comprises a motor end cover arranged between the electric motor and the brake caliper body, and the motor end cover is used for reducing heat generated by the brake disc and the brake pad from spreading through thermal convection and thermal radiation.

The MGU is connected with the brake caliper body through a screw, a mounting hole is formed in the MGU, a heat insulation sleeve made of heat insulation materials is arranged in the mounting hole, and the screw penetrates through the heat insulation sleeve.

And a gasket made of heat insulation materials is arranged between the head of the screw and the MGU.

The utility model discloses a braking pincers, through set up thermal-insulated component between the braking pincers body and MGU, can prevent that too high temperature from appearing in motor and gear at braking process.

Drawings

The description includes the following figures, the contents shown are respectively:

figure 1 is a cross-sectional view of a brake caliper of the present invention;

FIG. 2 is a schematic structural view of a brake caliper according to the present invention;

FIG. 3 is a schematic view of the construction of the insulation sleeve;

FIG. 4 is a schematic view of the structure of the heat insulating ring;

FIG. 5 is a schematic view of an insulation mat;

labeled as: 1. an actuator; 2. an MGU housing; 3. a transmission member; 4. a thermally insulating liner; 5. a heat insulating ring; 6. a heat insulating pad; 7. a heat insulation ring; 8. a caliper body; 9. a coupling; 10. a screw; 11. a gasket; 12. a heat insulating sleeve; 13. and a motor end cover.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

As shown in fig. 1 to 5, the present invention provides a brake caliper, which includes a brake caliper body 8, a motion conversion mechanism, an MGU (motor generator unit), and a heat insulation element disposed between the brake caliper body 8 and the MGU and made of a heat insulation material.

Specifically, as shown in fig. 1, the MGU includes a motor and a gear transmission mechanism connected to the motor, the gear transmission mechanism is used for transmitting a rotational force generated by the motor to a motion conversion mechanism, and the motion conversion mechanism is driven to perform a corresponding action, and the motion conversion mechanism realizes a braking function of the caliper by converting a rotational motion of the motor into a linear motion of the piston. By adding an additional heat insulation element between the brake caliper body 8 and the MGU, the heat insulation element plays a heat insulation role, reduces heat transfer between the brake caliper body 8 and the MGU, and prevents the motor and the gear from generating overhigh temperature during emergency braking.

Preferably, the heat insulating material is a polymer material or an inorganic non-metal material. The polymer material can be plastic, rubber, highland barley paper, rock wool board or foamed ceramic board.

As shown in fig. 1 and 5, the insulating element comprises an insulating mat 6 arranged between the caliper body 8 and the MGU. The MGU further comprises an MGU housing 2, the electric motor being mounted within the MGU housing 2, the MGU housing 2 being mounted on the brake caliper body 8. The heat insulation pad 6 is clamped between the brake caliper body 8 and the MGU shell 2, the heat insulation ring 7 is arranged between the heat insulation pad 6 and the brake caliper body 8, and the heat insulation ring 7 is used for sealing between the MGU and the brake caliper body 8 while insulating heat.

As shown in fig. 1 and 5, the insulation blanket 6 is located between the horizontal end faces of the MGU housing and the caliper body 8 for insulating. The MGU shell inner wall and the vertical end face of the brake caliper body 8 are in clearance fit, and the heat insulation ring 7 is located between the MGU shell and the vertical end face of the brake caliper body 8, so that the MGU shell plays a role in sealing while insulating heat.

In this embodiment, the heat insulating pad 6 is made of plastic, and the heat insulating ring 7 is made of rubber.

As shown in fig. 1 and 4, the insulating element also comprises an insulating ring 5 arranged between the caliper body 8 and the MGU. The gear transmission mechanism comprises a transmission piece 3, the transmission piece 3 is a part located at a power output end of the gear transmission mechanism, the transmission piece 3 rotates, the transmission piece 3 is connected with the motion conversion mechanism, and the heat insulation ring 5 is arranged between the transmission piece 3 and the brake caliper body 8. The heat insulation ring 5 is of a circular structure, the heat insulation ring 5 and the transmission piece 3 are coaxially arranged, and the heat insulation ring 5 is located between one end face of the transmission piece 3 and one end face of the brake caliper body 8, so that the brake caliper body 8 is prevented from being in direct contact with the transmission piece 3.

As shown in fig. 1, the insulating element further comprises an insulating bush 4 arranged between the transmission member 3 and the coupling 9 and used for transmitting torque, the coupling 9 being connected with the motion conversion mechanism. The heat insulation lining 4 is made of heat insulation materials, and the heat insulation materials are high polymer materials such as plastics, rubber, highland barley paper and the like.

In this embodiment, as shown in fig. 1 and 3, the heat insulation bush 4 is connected with the transmission member 3 and the coupler 9 through a spline, the transmission member 3 drives the coupler 9 to rotate synchronously through the heat insulation bush 4, the linkage drives the motion conversion mechanism to operate, the heat insulation bush 4 prevents the transmission member 3 from directly contacting with the coupler 9, and the heat insulation bush 4 is made of plastic.

As shown in fig. 1, the heat insulation element further includes a motor end cover 13 disposed at the rear of the motor, the motor end cover 13 is connected to the MGU housing 2 through screws, the motor end cover 13 is made of plastic, and the motor end cover 13 can block heat radiation and heat convection transmitted from the brake disc to the motor.

As shown in fig. 1 and 2, the MGU case 2 is made of metal because the weight of the motor is heavy, and the vibration load of the electromechanical brake is large under the spring, so that the strength of the case can be ensured by selecting metal materials, and the motor cannot be damaged by vibration. MGU casing 2 passes through screw 10 and the brake caliper body 8 fixed connection, sets up the mounting hole on the MGU casing 2, sets up the screw hole that screw 10 twisted on the brake caliper body 8, sets up the through-hole that lets screw 10 pass on the heat insulating mattress 6. An insulating sleeve 12 made of an insulating material is provided in the mounting hole, and the screw 10 passes through the insulating sleeve 12, and the insulating sleeve 12 prevents the screw 10 from directly contacting the MGU casing 2. The heat insulation sleeve 12 is made of heat insulation materials, and the heat insulation materials are high polymer materials such as plastics, rubber, highland barley paper and the like.

As shown in fig. 1 and 2, a gasket 11 made of a heat insulating material is disposed between the head of the screw 10 and the MGU housing 2, the heat insulating material is a polymer material such as plastic, rubber, or highland barley paper, the gasket 11 is located outside the mounting hole, and the gasket 11 prevents the head of the screw 10 from directly contacting the MGU housing 2.

In this embodiment, the heat insulating sleeve 12 and the spacer 11 are made of plastic.

The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims (12)

1. The braking pincers, including the braking pincers body and MGU, the MGU includes the motor and the gear drive who is connected with the motor, its characterized in that: the brake caliper further comprises a heat insulation element which is arranged between the brake caliper body and the MGU and is made of heat insulation materials.

2. Brake calliper according to claim 1, wherein: the heat insulation material is a high polymer material or an inorganic non-metal material.

3. A brake caliper according to claim 2, characterized in that: the heat insulating material is plastic, rubber, highland barley paper, rock wool board or foamed ceramic board.

4. Brake calliper according to claim 1, wherein: the insulating element includes an insulating mat disposed between the caliper body and the MGU.

5. Brake calliper according to claim 4, wherein: the heat insulation element comprises a heat insulation ring arranged between the MGU and the brake caliper body, and the heat insulation ring has a sealing function.

6. Brake calliper according to claim 1, wherein: the insulating element includes an insulating ring, an insulating bushing disposed between the caliper body and the MGU.

7. Brake calliper according to claim 6, wherein: the MGU comprises a transmission piece, and the heat insulation ring is arranged between the transmission piece and the brake caliper body.

8. Brake calliper according to claim 6, wherein: the heat-insulating element comprises a heat-insulating bush arranged between the transmission piece and the coupling and used for transmitting torque.

9. Brake calliper according to claim 8, wherein: the heat insulation bushing is connected with the transmission piece and the coupler through splines.

10. A brake caliper according to any one of claims 1 to 9, wherein: the insulating element includes a motor end cap disposed between the motor and the caliper body.

11. A brake caliper according to any one of claims 1 to 9, wherein: the MGU is connected with the brake caliper body through a screw, a mounting hole is formed in the MGU, a heat insulation sleeve made of heat insulation materials is arranged in the mounting hole, and the screw penetrates through the heat insulation sleeve.

12. Brake calliper according to claim 11, wherein: a gasket made of a heat insulating material is arranged between the head of the screw and the MGU.

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