CN218564233U

CN218564233U - Electronic parking fixed brake

Info

Publication number: CN218564233U
Application number: CN202220780817.5U
Authority: CN
Inventors: 陈建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2023-03-03
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a formula stopper is decided in electron parking uses with the cooperation of brake disc, include: the casing, but set up the through-hole of holding brake disc on the casing, the upper end of casing sets up the parking calliper by motor drive, and parking calliper can be along the direction motion that is on a parallel with brake disc axis, and the inside of casing still is provided with the holding slotted hole to four holding pistons of subtend, compares traditional bolt formula parking calliper and stops the two callipers of stopping the separation, and its parking, brake stability are better, and the brake rigidity is higher to save the material. Meanwhile, the parking calipers can automatically shift to compensate the abrasion loss after the brake set is abraded after long-time work, and the parking safety is guaranteed.

Description

Electronic parking fixed brake

Technical Field

The utility model relates to a vehicle brake equipment technical field especially relates to a formula stopper is decided in electron parking.

Background

When automobiles on the market are gradually changed from mechanical to electric intelligent, electronic parking also becomes a necessary function of modern automobiles.

At present, more electronic parking calipers are single-piston bolt floating parking calipers or multi-piston bolt floating parking calipers and double-caliper with separated brake and parking. The parking caliper with the floating plug pins has weak brake rigidity, and the separated double calipers have higher production cost, so that the caliper with the integrated brake and parking functions and the electronic parking function is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an electronic parking formula stopper is decided, the utility model discloses a realize like this:

an electronic parking brake for use with a brake disc, comprising: the parking brake device comprises a shell, wherein a through hole capable of containing a brake disc is formed in the shell, parking calipers driven by a motor are arranged at the upper end of the shell, the parking calipers can move along the direction parallel to the axis of the brake disc, and containing slotted holes opposite to four containing pistons are further formed in the shell.

As a further improvement, the piston comprises three fixed brake pistons and one parking piston, and the fixed brake piston on the same side as the parking piston can share a pair of brake pads with the parking piston.

As a further improvement, the driving mechanism comprises a driving screw, a push rod threaded sleeve and a parking piston, a boss is arranged at a position, corresponding to the parking piston, on the outer end surface of the shell, a mounting and fixing hole matched with the driving screw is formed in the boss, at least part of the driving screw extends out of the boss, the driving screw is connected with an output shaft of the motor, the push rod threaded sleeve is clamped inside one end, close to the driving screw, of the parking piston, and the driving screw is in threaded connection with the inside of the push rod threaded sleeve; the jack catch, the jack catch is located including fixed cover the fixed part of push rod swivel nut periphery, the upper end of fixed part is towards the subtend the direction of deciding formula brake piston is turned over and is rolled over and extend and form connecting portion, connecting portion keep away from the one end of fixed part is turned over downwards and is stretched into form parking portion in the through-hole.

As a further improvement, a guide sleeve is arranged at the position, corresponding to the parking part, of the inner wall of the shell, and a guide pin matched with the guide sleeve is arranged on the parking part.

As a further improvement, the upper end surface of the side of the shell close to the fixing part is provided with a notch for the connecting part to pass through.

As a further improvement, the motor is electrically connected with a control module, and a parking button electrically connected with the control module is arranged in the vehicle.

The beneficial effects of the utility model reside in that:

set up the casing through the upper end at the brake disc, be provided with four pistons of subtend in the casing, four pistons include three fixed brake piston and a parking piston, with the fixed brake piston and the parking piston sharing a pair brake block of parking piston homonymy to the activity is provided with motor drive's parking calliper in the upper end of casing, provides brake, parking function collection calliper as an organic whole and have the electron parking function.

In addition, through the parking calliper that sets up, guaranteed that brake block and the brake disc piece at parking calliper receive the wearing and tearing back, parking calliper can shift automatically and realize wearing and tearing volume compensation, guaranteed the stability and the security of parking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic sectional structure view of the brake disc of the present invention when assembled on the brake disc.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

An electronic parking brake for use with a brake disc 4, comprising: the brake disc brake comprises a shell 1, wherein a through hole 11 capable of containing a brake disc 4 is formed in the shell 1, a parking caliper 2 driven by a motor is movably arranged at the upper end of the shell 1, the parking caliper 2 can move along the direction parallel to the axis of the brake disc 4, and a containing groove 12 opposite to four containing pistons is further formed in the shell 1.

As a further improvement, the pistons include three fixed brake pistons 3 and one parking piston 5, and the fixed brake piston 3 and the parking piston 5 on the same side of the parking piston 5 share a pair of brake pads.

The first embodiment,

As a further improvement, the parking caliper 2 specifically includes: the driving mechanism 22 comprises a driving screw 221 and a push rod threaded sleeve 222, a boss 13 is arranged at a position, corresponding to the parking piston 5, on the outer end surface of the shell 1, a mounting hole matched with the driving screw 221 is formed in the boss 13, at least part of the driving screw 221 extends out of the boss 13, and the driving screw 221 is connected with an output shaft of the motor; jack catch 21, jack catch 21 is located including fixed cover the fixed part 211 of push rod swivel nut 222 periphery, the upper end of fixed part 211 is facing to the direction of deciding formula brake piston 3 is turned over and is extended formation connecting portion 212, connecting portion 212 is kept away from the one end of fixed part 211 is turned over downwards and is stretched into form parking portion 213 in the through-hole 11, parking piston 5 is close to the inside joint of one end of drive screw 221 has push rod swivel nut 222, drive screw 221 spiro union in the inside of push rod swivel nut 222.

In order to strengthen the connection of the parking caliper 2 to the housing 1, as a further improvement, the outer circumference of the boss 13 is sleeved with a steel bushing 15.

As a further improvement, a guide sleeve is arranged on the inner wall of the housing 1 corresponding to the parking part 213, and a guide pin adapted to the guide sleeve is arranged on the parking part 213.

As a further improvement, the upper end surface of the housing 1 near the fixing portion 211 is provided with a notch 14 for the connecting portion 212 to pass through.

Example II,

On the basis of the first embodiment, the parking caliper 2 may further include:

the driving mechanism 22 is a driving screw, the driving screw comprises an integrally formed screw portion and a push rod portion, a threaded hole matched with the screw portion is formed in the boss 13, the push rod portion is connected with an output shaft of the motor, and the push rod portion is rotatably clamped in the fixing portion 211.

The working principle is as follows:

in the driving process, the fixed brake piston 3 can be normally used for braking. When the vehicle needs to be parked, the parking button is pressed, the control module sends a corresponding control signal to the motor, the motor rotates forwards or backwards according to the control signal to drive the driving mechanism 22 to rotate and drive the driving screw 221 to rotate, so that the push rod thread sleeve 222 moves towards the center of the disk, the parking piston 5 is pushed to move towards the center of the disk, and the parking caliper 2 moves towards one side close to the brake disk 4 and clamps the brake disk 4 under the reaction force of the driving mechanism 22 to finish parking.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic parking brake, comprising:

the casing, set up the through-hole that can the holding brake disc on the casing, the upper end activity of casing sets up the parking calliper by motor drive, parking calliper can be along being on a parallel with the direction motion of brake disc axis, the inside of casing still is provided with the holding slotted hole to four holding pistons of subtend, the piston includes three fixed brake piston and a parking piston, with the fixed brake piston of parking piston homonymy with a parking piston sharing pair brake block.

2. The electronic parking brake of claim 1, wherein the parking caliper specifically comprises:

the driving mechanism comprises a driving screw, a push rod threaded sleeve and a parking piston, a boss is arranged at a position, corresponding to the parking piston, on the outer end surface of the shell, a mounting and fixing hole matched with the driving screw is formed in the boss, at least part of the driving screw extends out of the boss, the driving screw is connected with an output shaft of the motor, the push rod threaded sleeve is clamped in one end, close to the driving screw, of the parking piston, and the driving screw is in threaded connection with the inside of the push rod threaded sleeve;

the jack catch, the jack catch is located including fixed cover the fixed part of push rod swivel nut periphery, the upper end of fixed part is towards the subtend the direction of fixed brake piston turns over and extends and forms connecting portion, connecting portion are kept away from the one end of fixed part is turned over downwards and is stretched into form the parking portion in the through-hole.

3. The electronic parking brake of claim 2,

the inner wall of the shell is provided with a guide sleeve at a position corresponding to the parking part, and the parking part is provided with a guide pin matched with the guide sleeve.

4. The electronic parking brake of claim 2,

the shell is provided with a notch for the connecting part to pass through, and the upper end surface of one side of the shell close to the fixing part is provided with a notch for the connecting part to pass through.

5. The electronic parking brake of claim 2, wherein the motor is electrically connected to a control module, and a parking button electrically connected to the control module is provided in the vehicle.