Electronic parking caliper

Abstract

The utility model discloses an electronic parking caliper which comprises a starting mechanism, a brake mechanism is fixedly connected to the right side of the starting mechanism, a connecting bolt is fixedly connected to the lower connecting position of the starting mechanism and the brake mechanism, and a deflation nozzle is fixedly connected to the front side of the upper wall of the brake mechanism. The rear side of the upper wall of the brake mechanism is fixedly connected with an oil pipe bolt. The starting mechanism comprises a motor, a connector, a cover plate, a transmission device, a first connecting plate and a connecting protrusion, the connector is fixedly connected to the upper side of the right wall of the cover plate, the motor is fixedly connected to the upper side of the right wall of the cover plate, the transmission device is fixedly connected to the lower side of the outer wall of the motor, and the first connecting plate is fixedly connected to the lower side of the outer wall of the transmission device. By means of the structure, the novel electronic parking caliper can be directly used for upgrading without replacing (designing) the size of the rear axle, and the development progress and universality of a whole vehicle factory are greatly facilitated (a special rear axle does not need to be customized).

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of parking caliper, especially electronic parking caliper. BACKGROUND

[0002] Electronic parking caliper is the key component of electronic parking brake system (EPB), and realizes parking function through electric signal control. The working principle of electronic parking caliper involves the instruction of electronic control unit (ECU), and realizes brake execution through signal exchange. When the driver operates the electronic parking button, the ECU receives the signal and controls the motor to drive the piston in the caliper to move, and then clamps the brake pad and brake disc to generate friction force, realizing parking brake. Compared with the mechanical structure of traditional hand brake, the electronic parking caliper is more compact, saving the space of the center console. It is easy to operate, and parking and release can be realized through electronic button, improving driving convenience.

[0003] The existing electronic parking caliper needs to replace the rear axle size when replacing, the electronic parking caliper is not strong in universality, and the operation is troublesome, low in efficiency and time-wasting. Therefore, the electronic parking caliper is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses electronic parking caliper, through the vertical layout of traditional electronic parking (EPB) motor, different from the traditional left lower (or right lower) layout. For the three or four wheel electric vehicles on the market, without replacing (designing) the rear axle size, the electronic parking caliper can be directly used for upgrading, greatly facilitating the development progress and universality of the vehicle factory (without customizing special rear axle).

[0005] In order to achieve the above object, an electronic parking caliper is provided, which comprises a starting mechanism, a brake mechanism is fixedly connected to the right side of the starting mechanism, a connecting bolt is fixedly connected to the lower connection between the starting mechanism and the brake mechanism, a deflation valve is fixedly connected to the front side of the upper wall of the brake mechanism, and an oil pipe bolt is fixedly connected to the rear side of the upper wall of the brake mechanism.

[0006] Preferably, the starting mechanism comprises a motor, a connecting head, a cover plate, a transmission device, a first connecting plate and a connecting protrusion, and the connecting head is fixedly connected to the upper side of the right wall of the cover plate.

[0007] Preferably, the motor is fixedly connected to the upper side of the right wall of the cover plate, the transmission device is fixedly connected to the lower side of the outer wall of the motor, the first connecting plate is fixedly connected to the lower side of the outer wall of the transmission device, and the connecting protrusion is fixedly connected in the groove in the lower side of the right wall of the first connecting plate.

[0008] Preferably, the brake mechanism includes a connecting groove, a second connecting plate, a sliding cylinder, a mounting frame, a protective shell, a caliper, a guide pin dust cover, a guide pin, a brake pad steel back, a brake pad, a clasp, a wear-reducing piece, a parking screw, a parking screw sleeve and a piston, the protective shell is clamped at the left end of the first connecting plate and is arranged in the groove below the right wall of the first connecting plate.

[0009] Preferably, the connecting protrusion is clamped in the connecting groove, the air release nozzle is fixedly connected to the protrusion on the front side of the upper wall of the protective shell, the oil pipe bolt is fixedly connected to the protrusion on the rear side of the upper wall of the protective shell, and the caliper is fixedly connected to the right wall of the protective shell.

[0010] Preferably, the sliding cylinder is fixedly connected to the right side outer wall of the protective shell, the guide pin dust cover is fixedly connected to the right side of the sliding cylinder, the left end outer wall of the guide pin is fixedly connected to the sliding cylinder and the inner wall of the guide pin dust cover, the mounting frame is fixedly connected to the right side of the sliding cylinder, the brake pad steel back is fixedly connected to the right side outer wall of the guide pin, and the brake pad is fixedly connected to the opposite side of the brake pad steel back.

[0011] Preferably, the parking screw is arranged in the middle of the protective shell, the connecting groove is arranged at the left end of the parking screw, the clasp is arranged at the right side outer wall of the connecting groove, the wear-reducing piece is arranged at the left end of the protrusion on the left side of the parking screw, the parking screw sleeve is arranged at the right side outer wall of the parking screw, and the piston is arranged at the outer wall of the parking screw sleeve.

[0012] The brake mechanism can be started through the starting mechanism, so that the brake mechanism starts to work, the motor of the traditional electronic parking (EPB) is vertically arranged, which is different from the traditional arrangement at the lower left (or lower right). For the three or four wheeled electric vehicles on the market, the rear axle size does not need to be replaced (designed), and the electronic parking caliper of the novel type can be directly used for upgrading, which greatly facilitates the development progress and universality of the vehicle factory (without customizing a special rear axle).

[0013] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and embodiments.

[0015] Figure 1 It is a side view of the starting mechanism of the electronic parking caliper of the present application;

[0016] Figure 2 It is a side view of the brake mechanism of the electronic parking caliper of the present application;

[0017] Figure 3 It is a starting mechanism structure schematic view of the electronic parking caliper of the utility model;

[0018] Figure 4 It is a brake mechanism perspective view of the electronic parking caliper of the utility model;

[0019] Figure 5 It is a brake mechanism sectional view of the electronic parking caliper of the utility model;

[0020] Figure 6 It is a brake pad one side structure schematic view of the electronic parking caliper of the utility model;

[0021] Legend:

[0022] 1, starting mechanism; 101, motor; 102, connecting head; 103, cover plate; 104, transmission device; 105, first connecting plate; 106, connecting protrusion; 2, brake mechanism; 201, connecting groove; 202, second connecting plate; 203, sliding cylinder; 204, mounting frame; 205, protective shell; 206, caliper; 207, guide pin dustproof cap; 208, guide pin; 209, brake pad steel back; 210, brake pad; 211, clasp spring; 212, wear-reducing piece; 213, parking screw; 214, parking screw sleeve; 215, piston; 3, air release nozzle; 4, connecting bolt; 5, oil pipe bolt. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Embodiment:

[0025] Referring to Figures 1 to 6 , the utility model embodiment electronic parking caliper, it includes starting mechanism 1, starting mechanism 1 right side fixedly connected with brake mechanism 2, starting mechanism 1 with brake mechanism 2 lower connection fixedly connected with connecting bolt 4, brake mechanism 2 upper wall front side fixedly connected with air release nozzle 3, brake mechanism 2 upper wall rear side fixedly connected with oil pipe bolt 5. Starting mechanism 1 connects brake signal, and provides brake power, drives brake mechanism 2 and stops the vehicle.

[0026] The starting mechanism 1 comprises a motor 101, a connecting head 102, a cover plate 103, a transmission device 104, a first connecting plate 105, a connecting protrusion 106, the connecting head 102 is fixedly connected to the upper side of the right wall of the cover plate 103. The motor 101 is fixedly connected to the upper side of the right wall of the cover plate 103, the transmission device 104 is fixedly connected to the lower side of the outer wall of the motor 101, the first connecting plate 105 is fixedly connected to the lower side of the outer wall of the transmission device 104, and the connecting protrusion 106 is fixedly connected into the groove in the lower side of the right wall of the first connecting plate 105. The motor 101 starts after receiving the signal of the connecting head 102, and the rotation of the motor 101 is transmitted to the connecting protrusion 106 through the transmission device 104 to make the connecting protrusion 106 rotate.

[0027] The brake mechanism 2 comprises a connecting groove 201, a second connecting plate 202, a sliding cylinder 203, a mounting frame 204, a protective shell 205, a caliper 206, a guide pin dustproof cap 207, a guide pin 208, a brake pad steel back 209, a brake pad 210, a clasp spring 211, an anti-friction pad 212, a parking screw 213, a parking screw sleeve 214, and a piston 215. The protective shell 205 is clamped at the left end into the groove in the lower side of the right wall of the first connecting plate 105, and the second connecting plate 202 is arranged at the right side of the first connecting plate 105. The connecting protrusion 106 is clamped inside the connecting groove 201, the air outlet 3 is fixedly connected to the protrusion in the front side of the upper wall of the protective shell 205, the oil pipe bolt 5 is fixedly connected to the protrusion in the rear side of the upper wall of the protective shell 205, and the caliper 206 is fixedly connected to the right wall of the protective shell 205. The sliding cylinder 203 is fixedly connected to the right side outer wall of the protective shell 205, the guide pin dustproof cap 207 is fixedly connected to the right side of the sliding cylinder 203, the left end outer wall of the guide pin 208 is fixedly connected to the sliding cylinder 203 and the inner wall of the guide pin dustproof cap 207, the mounting frame 204 is fixedly connected to the right side of the sliding cylinder 203, the brake pad steel back 209 is fixedly connected to the right side outer wall of the guide pin 208, and the brake pad 210 is fixedly connected to the opposite side of the brake pad steel back 209. The parking screw 213 is installed inside the protective shell 205, the connecting groove 201 is arranged at the left end of the parking screw 213, the clasp spring 211 is arranged at the right side outer wall of the connecting groove 201, the anti-friction pad 212 is arranged at the left end of the protrusion at the left side of the parking screw 213, the parking screw sleeve 214 is installed at the right side outer wall of the parking screw 213, and the piston 215 is installed at the outer wall of the parking screw sleeve 214. The connecting protrusion 106 drives the parking screw 213 to rotate through the connecting groove 201, the rotation of the parking screw 213 makes the parking screw sleeve 214 rotate and move forward, the parking screw sleeve 214 moves forward against the piston 215, the piston 215 makes the brake pad steel back 209 move along the guide pin 208, so that the brake pad is clamped to make the vehicle stop, the anti-friction pad 212 reduces the wear of the parking screw 213, and the second connecting plate 202 connects two parts.

[0028] Connecting slot 201, sliding cylinder 203, protective shell 205, caliper 206, guide pin dust cap 207, guide pin 208, brake pad steel back 209, brake pad 210, clamp spring 211, wear-reducing pad 212, parking screw 213, parking screw sleeve 214, piston 215.

[0029] Working principle: through the mounting bracket 204 is installed to the parking caliper brake disc, and makes two brake pads 210 distribution in the brake disc both sides, the first connecting plate 105, the second connecting plate 202 and connecting bolt 4 will be two institutions together. In use, the motor 101 after receiving the connector 102 signal start, through the transmission device 104 motor 101 rotation to the connection protrusions 106 on the connection protrusions 106 rotation, connection groove 201 through the parking screw 213 rotation, wear-reducing pad 212 reduce the wear of parking screw 213, parking screw 213 rotation makes parking screw sleeve 214 rotation, and forward movement, parking screw sleeve 214 against the piston 215 forward movement, piston 215 makes brake pad steel back 209 along the guide pin 208 movement, make the brake pad stuck make the vehicle stop.

[0030] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, within the knowledge range possessed by those skilled in the art in the technical field, various changes can be made without departing from the purpose of the present application.

Claims

1. An electronic parking caliper comprising an activation mechanism (1), characterized in that, The starting mechanism (1) is fixedly connected with the brake mechanism (2) on the right side, the lower connecting part of the starting mechanism (1) and the brake mechanism (2) is fixedly connected with the connecting bolt (4), the upper wall of the brake mechanism (2) is fixedly connected with the air release valve (3) on the front side, and the upper wall of the brake mechanism (2) is fixedly connected with the oil pipe bolt (5) on the rear side.

2. An electronic parking caliper according to claim 1, wherein, The starting mechanism (1) comprises a motor (101), a connecting head (102), a cover plate (103), a transmission device (104), a first connecting plate (105), a connecting protrusion (106), and the connecting head (102) is fixedly connected to the right wall of the upper side of the cover plate (103).

3. An electronic parking caliper according to claim 2, wherein, The motor (101) is fixedly connected to the right wall of the upper side of the cover plate (103), the transmission device (104) is fixedly connected to the outer wall of the lower side of the motor (101), the first connecting plate (105) is fixedly connected to the outer wall of the lower side of the transmission device (104), and the connecting protrusion (106) is fixedly connected to the groove on the lower side of the right wall of the first connecting plate (105).

4. An electronic parking caliper according to claim 2, wherein, The brake mechanism (2) comprises a connecting groove (201), a second connecting plate (202), a sliding cylinder (203), a mounting frame (204), a protective shell (205), a caliper (206), a guide pin dustproof cap (207), a guide pin (208), a brake pad steel back (209), a brake pad (210), a clamping spring (211), an anti-friction pad (212), a parking screw (213), a parking screw sleeve (214), and a piston (215), the left end of the protective shell (205) is clamped in the groove on the lower side of the right wall of the first connecting plate (105), and the second connecting plate (202) is arranged on the right side of the first connecting plate (105).

5. An electronic parking caliper according to claim 4, wherein, The connecting protrusion (106) is clamped in the connecting groove (201), the air release valve (3) is fixedly connected to the protrusion on the front side of the upper wall of the protective shell (205), the oil pipe bolt (5) is fixedly connected to the protrusion on the rear side of the upper wall of the protective shell (205), and the caliper (206) is fixedly connected to the right wall of the protective shell (205).

6. An electronic parking caliper according to claim 5, wherein, The sliding cylinder (203) is fixedly connected to the right side of the outer wall of the protective shell (205), the guide pin dustproof cap (207) is fixedly connected to the right side of the sliding cylinder (203), the left end of the outer wall of the guide pin (208) is fixedly connected to the sliding cylinder (203) and the inner wall of the guide pin dustproof cap (207), the mounting frame (204) is fixedly connected to the right side of the sliding cylinder (203), the brake pad steel back (209) is fixedly connected to the outer wall of the right side of the guide pin (208), and the brake pad (210) is fixedly connected to the opposite side of the brake pad steel back (209).

7. An electronic parking caliper according to claim 6, wherein, The parking screw (213) is installed in the middle of the protective shell (205), the connecting groove (201) is arranged on the left end of the parking screw (213), the clamping spring (211) is arranged on the outer wall on the right side of the connecting groove (201), the anti-friction pad (212) is arranged on the left end of the protrusion on the left side of the parking screw (213), the parking screw sleeve (214) is installed on the outer wall on the right side of the parking screw (213), and the piston (215) is installed on the outer wall of the parking screw sleeve (214).

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