Manual release device for brake of new energy vehicle

Abstract

The utility model relates to the technical field of brake equipment, and discloses a new energy vehicle brake manual release device which comprises a brake disc and a brake caliper, the brake caliper is located at the edge position of the brake disc, a brake mechanism acting on the brake disc is arranged on the brake caliper, and the brake mechanism is composed of a transmission gear and a brake pad. The brake pad is located on the inner side of the brake caliper, the transmission gear is rotationally connected to the outer side of the brake caliper, a transmission assembly is arranged between the transmission gear and the brake pad, and an electric driving mechanism and a manual driving mechanism which act on the transmission gear are arranged on the outer wall of the brake caliper. The manual driving mechanism is composed of a second driving gear, a rotating shaft, a connector and a wrench, on the basis of the electric driving brake, the manual driving brake structure is added, and therefore it is guaranteed that when electric braking of a new energy vehicle breaks down, manual operation can be conducted, functionality is higher, and using is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake equipment technical field, concretely is a new energy vehicle brake manual release device. BACKGROUND

[0002] The brake is the device that has the function such as making moving part (or moving machinery) deceleration, stop or keep stop state. It is the mechanical part that makes the moving piece in machinery stop or decelerate. It is commonly known as brake, brake. The brake is an indispensable part of the car.

[0003] The existing new energy vehicle generally adopts electronic hand brake, and the electronic hand brake drives brake caliper action by motor instead of manpower, generates braking force, and makes the vehicle keep stationary or release stationary state. However, the existing new energy vehicle lacks the function of manual braking or manual release braking, and in some special environments, such as when the vehicle brake system fails, the brake cannot be effectively controlled. Therefore, a new energy vehicle brake manual release device is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a new energy vehicle brake manual release device to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a new energy vehicle brake manual release device, comprising a brake disc and a brake caliper, the brake caliper is located at the edge position of the brake disc, a brake mechanism acting on the brake disc is arranged on the brake caliper, the brake mechanism is composed of a transmission gear and a brake pad, the brake pad is located at the inner side of the brake caliper, the transmission gear is rotatably connected to the outer side of the brake caliper, a transmission assembly is arranged between the transmission gear and the brake pad, an electric drive mechanism and a manual drive mechanism acting on the transmission gear are arranged on the outer wall of the brake caliper, the manual drive mechanism is composed of a second drive gear, a rotating shaft, a connecting head and a wrench, the rotating shaft is rotatably connected to the outer wall of the brake caliper, the second drive gear is sleeved on the outer wall of the rotating shaft, the second drive gear is fixedly connected with the rotating shaft, the second drive gear and the transmission gear are mutually engaged, the connecting head is fixedly connected to the tail end of the rotating shaft, a limiting groove is formed in the side wall of the connecting head, and the head of the wrench is matched with the limiting groove.

[0006] As a further preferred embodiment of the present technical solution, the brake disc is sleeved on the automobile hub and fixedly connected with the automobile hub, and the brake caliper is fixedly installed on the suspension system of the automobile.

[0007] As a further preferred embodiment of the present technical solution, the limiting groove is a regular hexagonal structure.

[0008] As a further preferred embodiment of the present application, the tail of the wrench is sandblasted.

[0009] As a further preferred embodiment of the present application, the transmission assembly is composed of a sliding block and a lead screw, the sliding block is fixedly connected with the brake pad, the sliding block is slidingly installed in a sliding groove formed in the brake caliper, the sliding groove is provided with the lead screw, one end of the lead screw is inserted into the interior of the sliding block, the lead screw is threadedly engaged with the sliding block, the other end of the lead screw penetrates through the brake caliper and is fixedly connected at the shaft end of the transmission gear, and the lead screw is rotatably connected with the brake caliper.

[0010] As a further preferred embodiment of the present application, the electric drive mechanism is composed of a first drive gear and a motor, the motor is fixedly connected on the outer wall of the brake caliper, the output shaft of the motor is fixedly connected with the first drive gear, and the first drive gear is meshed with the transmission gear.

[0011] As a further preferred embodiment of the present application, the diameters of the first drive gear and the second drive gear are smaller than the diameter of the transmission gear.

[0012] The utility model provides a new energy vehicle brake manual release device, has the following beneficial effect:

[0013] The utility model discloses on the basis of electric drive brake, adds the structure of manual drive brake, thereby guarantees new energy vehicle when electric brake failure, can manually operate, and the function is stronger, and it is more convenient to use. ACCOUT OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0015] Figure 2 It is the exploded schematic diagram of the whole structure of the utility model;

[0016] Figure 3 It is the partial structure schematic diagram of the utility model in Figure 1 ;

[0017] Figure 4 It is the partial structure schematic diagram of the utility model in Figure 2 ;

[0018] In the drawing: 1, brake disc;2, brake caliper;3, transmission gear;4, first drive gear;5, motor;6, second drive gear;7, rotating shaft;8, connecting head;9, limit recess;10, wrench;11, sliding groove;12, sliding block;13, brake pad;14, lead screw. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] The utility model provides technical scheme: as Figures 1 to 4 As shown in the figure, in the embodiment, a new energy vehicle brake manual release device comprises a brake disc 1 and a brake caliper 2, the brake disc 1 is sleeved on the automobile hub and is fixedly connected with the automobile hub, the brake caliper 2 is fixedly installed on the suspension system of the automobile, the brake caliper 2 is located at the edge position of the brake disc 1, the brake caliper 2 is provided with a brake mechanism acting on the brake disc 1, the brake mechanism is composed of a transmission gear 3 and a brake pad 13, the brake pad 13 is located at the inner side of the brake caliper 2, the transmission gear 3 is rotatably connected to the outer side of the brake caliper 2, a transmission assembly is arranged between the transmission gear 3 and the brake pad 13, the outer wall of the brake caliper 2 is provided with an electric drive mechanism and a manual drive mechanism acting on the transmission gear 3, the manual drive mechanism is composed of a second drive gear 6, a rotating shaft 7, a connecting head 8 and a wrench 10, the rotating shaft 7 is rotatably connected to the outer wall of the brake caliper 2, the second drive gear 6 is sleeved on the outer wall of the rotating shaft 7, the second drive gear 6 is fixedly connected with the rotating shaft 7, the second drive gear 6 and the transmission gear 3 are mutually engaged, the connecting head 8 is fixedly connected to the tail end of the rotating shaft 7, a limiting groove 9 is formed in the side wall of the connecting head 8, the limiting groove 9 is a regular hexagon structure, the head of the wrench 10 is matched with the limiting groove 9, and the tail of the wrench 10 is subjected to sanding treatment.

[0021] The transmission assembly is composed of a sliding block 12 and a lead screw 14, the sliding block 12 is fixedly connected with the brake pad 13, the sliding block 12 is slidingly installed in a sliding groove 11 formed in the brake caliper 2, the sliding groove 11 is provided with the lead screw 14, one end of the lead screw 14 is inserted into the inside of the sliding block 12, the lead screw 14 is threadedly matched with the sliding block 12, the other end of the lead screw 14 penetrates through the brake caliper 2 and is fixedly connected at the shaft end of the transmission gear 3, and the lead screw 14 is rotatably connected with the brake caliper 2.

[0022] When the transmission gear 3 rotates, the lead screw 14 will rotate synchronously, so as to control the sliding block 12 to slide in the sliding groove 11.

[0023] The electric drive mechanism is composed of a first drive gear 4 and a motor 5, the motor 5 is fixedly connected to the outer wall of the brake caliper 2, the output shaft tail end of the motor 5 is fixedly connected with the first drive gear 4, and the first drive gear 4 and the transmission gear 3 are mutually engaged.

[0024] The motor 5 is controlled through the electronic hand brake button on the new energy vehicle, when the electronic hand brake button is pressed, the central control system of the new energy vehicle controls the motor 5 to rotate forward, the motor 5 drives the first drive gear 4 to rotate, thereby driving the lead screw 14 to rotate synchronously, the rotation of the lead screw 14 drives the sliding block 12 to move in the sliding groove 11 away from the brake disc 1, thereby releasing the brake of the new energy vehicle, when the electronic hand brake button is lifted, the new energy vehicle is braked.

[0025] The diameters of the first drive gear 4 and the second drive gear 6 are smaller than the diameter of the transmission gear 3.

[0026] In this way, the first drive gear 4 and the transmission gear 3 form a power-saving gear set, and the second drive gear 6 and the transmission gear 3 also form a power-saving gear set, so that power can be saved in both electric driving and manual driving.

[0027] The utility model provides a new energy vehicle brake manual release device, specific working principle is as follows:

[0028] In use, the motor 5 is controlled through the electronic hand brake button on the new energy vehicle, when the electronic hand brake button is pressed, the central control system of the new energy vehicle controls the motor 5 to rotate forward, the motor 5 drives the first drive gear 4 to rotate, thereby driving the lead screw 14 to rotate synchronously, the rotation of the lead screw 14 drives the sliding block 12 to move in the sliding groove 11 away from the brake disc 1, thereby releasing the brake of the new energy vehicle, when the electronic hand brake button is lifted, the new energy vehicle is braked, when the electric driving fails, the driver can take out the wrench 10 from the trunk, embeds the head of the wrench 10 in the limiting groove 9 of the connector 8, then rotates the wrench 10, the wrench 10 drives the second drive gear 6 to rotate, the second drive gear 6 drives the transmission gear 3 to rotate, rotates the wrench 10 in different directions, whether the new energy vehicle is braked can be controlled, thereby achieving the purpose of manual release or starting brake.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle brake manual release device, comprising a brake disc (1) and a brake caliper (2), characterized in that: The brake caliper (2) is located at the edge of the brake disc (1), the brake caliper (2) is provided with a brake mechanism acting on the brake disc (1), the brake mechanism is composed of a transmission gear (3) and a brake pad (13), the brake pad (13) is located at the inner side of the brake caliper (2), the transmission gear (3) is rotatably connected to the outer side of the brake caliper (2), a transmission assembly is arranged between the transmission gear (3) and the brake pad (13), an electric drive mechanism and a manual drive mechanism acting on the transmission gear (3) are arranged on the outer wall of the brake caliper (2), the manual drive mechanism is composed of a second drive gear (6), a rotating shaft (7), a connecting head (8) and a wrench (10), the rotating shaft (7) is rotatably connected to the outer wall of the brake caliper (2), the second drive gear (6) is sleeved on the outer wall of the rotating shaft (7), the second drive gear (6) is fixedly connected with the rotating shaft (7), the second drive gear (6) is meshed with the transmission gear (3), the connecting head (8) is fixedly connected to the tail end of the rotating shaft (7), a limiting groove (9) is formed in the side wall of the connecting head (8), and the head of the wrench (10) is matched with the limiting groove (9).

2. The new energy vehicle brake manual release device according to claim 1, characterized in that: The brake disc (1) is sleeved on the automobile hub and is fixedly connected with the automobile hub, and the brake caliper (2) is fixedly installed on the suspension system of the automobile.

3. The new energy vehicle brake manual release device according to claim 1, characterized in that: The limiting groove (9) is a regular hexagonal structure.

4. The new energy vehicle brake manual release device according to claim 1, characterized in that: The tail of the wrench (10) is subjected to sanding treatment.

5. The new energy vehicle brake manual release device according to claim 1, characterized in that: The transmission assembly is composed of a sliding block (12) and a lead screw (14), the sliding block (12) is fixedly connected with the brake pad (13), the sliding block (12) is slidingly installed in a sliding groove (11) formed in the brake caliper (2), the lead screw (14) is arranged in the sliding groove (11), one end of the lead screw (14) is inserted into the inside of the sliding block (12), the lead screw (14) is threadedly matched with the sliding block (12), the other end of the lead screw (14) penetrates through the brake caliper (2) and is fixedly connected at the shaft end of the transmission gear (3), and the lead screw (14) is rotatably connected with the brake caliper (2).

6. The new energy vehicle brake manual release device according to claim 1, characterized in that: The electric drive mechanism is composed of a first drive gear (4) and a motor (5), the motor (5) is fixedly connected to the outer wall of the brake caliper (2), the output shaft of the motor (5) is fixedly connected with the first drive gear (4), and the first drive gear (4) is meshed with the transmission gear (3).

7. The new energy vehicle brake manual release device according to claim 6, characterized in that: The diameters of the first drive gear (4) and the second drive gear (6) are smaller than the diameter of the transmission gear (3).

Images