CN110877605A - Integrated electronic parking brake - Google Patents
Integrated electronic parking brake Download PDFInfo
- Publication number
- CN110877605A CN110877605A CN201910992674.7A CN201910992674A CN110877605A CN 110877605 A CN110877605 A CN 110877605A CN 201910992674 A CN201910992674 A CN 201910992674A CN 110877605 A CN110877605 A CN 110877605A
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- brake
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- caliper
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- 230000001737 promoting effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
An integrated electronic parking brake belongs to the technical field of automobile accessories. The brake caliper comprises a fixed caliper body provided with a brake pad, a fixed caliper body A piece and a fixed caliper body B piece, wherein the brake pad is arranged on the inner surfaces of the fixed caliper body A piece and the fixed caliper body B piece. The dual-function of braking and parking is implemented in the two-in-one design, the weight is correspondingly optimized, the design is novel, the assembly is labor-saving, the cost is saved, the braking efficiency is improved, the defects of the existing braking system on the market are fully overcome, and the market prospect is wide.
Description
Technical Field
The invention belongs to the technical field of automobile braking, and particularly relates to an integrated electronic parking brake.
Background
The braking system is a main system of the automobile, and is an important link of driving safety, a front brake is generally designed to play a main role, a rear brake is used for sharing braking force and parking function, and a mechanical hand brake is generally set as the rear brake to ensure the parking function. The electronic hand brake is developed and put on the market in the last decade, and almost at the top and the initial development stage, most of the electronic hand brakes adopt a floating caliper electronic parking brake caliper; the floating clamp is split, the double functions of braking and parking cannot be achieved, the weight is heavy, the burden of a vehicle body is increased, the assembly time is consumed, the material cost is high, and the braking force of the split structure is weak.
Disclosure of Invention
In view of the above problems in the prior art, the present invention is directed to an integrated electronic parking brake.
The integrated electronic parking brake is characterized in that the middle parts of the fixed caliper body A piece and the fixed caliper body B piece are concave, brake pistons for pushing the brake pieces are arranged on two sides of the concave, guide supporting rods are arranged at the top positions of the fixed caliper body A piece and the fixed caliper body B piece and fixedly connected with floating calipers, the floating calipers comprise fixed split bodies of an actuating mechanism caliper body and a floating caliper body, and the actuating mechanism caliper body is provided with a piston assembly for pushing the brake pieces to brake.
The integrated electronic parking brake is characterized in that the piston assembly is arranged in a concave shape of a B piece of the fixed caliper body and movably clasps a brake pad along the vertical direction of the concave section for braking.
The integrated electronic parking brake is characterized in that the piston assembly is connected with a gear, the gear is matched with an EPB motor through connecting a worm gear and a worm, and the movement of the piston assembly is controlled through the EPB motor.
The integrated electronic parking brake is characterized in that four brake pistons are uniformly distributed in a fixed caliper body A piece and a fixed caliper body B piece, the number of the brake pieces is two, and the brake pistons abut against the brake pieces for braking.
The integrated electronic parking brake is characterized in that an actuating mechanism caliper body and a floating caliper body are fixedly and separately connected to form a bridge and are arranged above a concave shape and a brake pad which are arranged at the middle parts of a fixed caliper body A piece and a fixed caliper body B piece, the middle part of the floating caliper body is in a convex shape, the inner surface of the floating caliper body is a plane, the shape of the floating caliper body fixing split convex part is matched with the concave shape of the fixed caliper body A piece, and the inner surface of the floating caliper body fixing split convex part is in close fit with the brake pad.
The integrated electronic parking brake is characterized in that the fixed caliper body A piece and the fixed caliper body B piece are both arc-shaped, and straight oil pipes for movably supplying oil to the brake piston are arranged outside the fixed caliper body A piece and the fixed caliper body B piece.
The integrated electronic parking brake is characterized in that the front part of a caliper body of an actuating mechanism is provided with a U-shaped structure, and one surface of the U-shaped structure is fixedly connected with a floating caliper body in a split and separated mode.
The integrated electronic parking brake is characterized in that the placing direction of the EPB motor is perpendicular to the direction of the guide supporting rod.
According to the integrated electronic parking brake, the fixed caliper, the floating caliper and the electronic actuating mechanism are integrated, the four-piston opposed cylinder and the electronic actuating mechanism are adopted to push the specially-made piston assembly, the floating caliper is enabled to lock and tightly hold the brake disc, the dual functions of braking and parking are implemented, the weight is correspondingly optimized, the design is novel, the assembly is labor-saving, the cost is saved, the braking efficiency is improved, the defects of the existing braking system on the market are fully overcome, and the market prospect is wide.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is another angle structure diagram of FIG. 1;
FIG. 4 is a schematic view of another embodiment of the present invention;
in the figure: 1. a fixed clamp body A sheet; 2. a fixed clamp body B sheet; 3. an oil pipe; 4. an EPB motor; 41. a worm gear; 42. a gear; 5. an actuator caliper body; 6. a guide support rod; 7. a brake pad; 8. the floating clamp body is fixed to be split; 9. a piston assembly; 10. a brake piston; 11. the A piece of the fixed clamp body is concave; 21. the B piece of the fixed clamp body is concave; 12. the fixed clamp body A is provided with a convex part.
Detailed Description
The invention is further explained below with reference to the drawings.
As shown in the figure, the integrated electronic parking brake comprises two fixed caliper bodies provided with a brake pad 7, a fixed caliper body a piece 1 and a fixed caliper body B piece 2, the brake pad 7 is installed on the inner surfaces of the fixed caliper body a piece 1 and the fixed caliper body B piece 2, the middle parts of the fixed caliper body a piece 1 and the fixed caliper body B piece 2 are both in a concave shape, brake pistons 10 are arranged on two sides of the concave shape and used for abutting against the brake pad 7, the brake pistons 10 are four, namely, the four pistons are designed to be opposite to cylinders, the braking force of the four pistons is more than 1300n.m, the fixed caliper body a piece 1 and the fixed caliper body B piece 2 are both in an arc shape, a straight-channel type oil pipe 3 used for movably supplying oil to the brake pistons 10 is arranged outside the fixed caliper body a piece 1 and the fixed caliper body B piece 2, and the brake pedal of an automobile acts to enable brake fluid to push the brake pistons 10 through the oil pipe 3 and abut against the brake pad 7 to brake. The oil pipe 3 is designed in a straight way, is smooth in circulation, can effectively guarantee the movement of the brake piston 10, is not prone to brake failure caused by the locking of the brake piston 10, and guarantees safety. The brake piston 10 and the brake pad 7 are matched to move, so that the brake in the driving process can be completely realized, and the problem of interference caused by the introduction of the floating clamp after integration is solved.
The top positions of the fixed clamp body A sheet 1 and the fixed clamp body B sheet 2 are provided with a guide support rod 6, and the guide support rod 6 is fixedly connected with the floating clamp. The floating caliper comprises an actuating mechanism caliper body 5 and a floating caliper body fixing split body 8, the actuating mechanism caliper body 5 and the floating caliper body fixing split body 8 are fixedly connected to form a bridge and are arranged above a concave shape and a brake pad 7 which are arranged in the middle of a fixed caliper body A sheet 1 and a fixed caliper body B sheet 2, and the actuating mechanism caliper body 5 is provided with a piston assembly 9 for pushing the brake pad 7 to brake. The piston assembly 9 is arranged in the concave shape 21 of the B piece of the fixed caliper body and movably clasps the brake pad 7 along the vertical direction of the section of the concave shape for braking.
The middle part of the floating caliper body fixing split body 8 is in a convex part shape, the inner surface is a plane, the shape of the floating caliper body fixing split body convex part 12 is matched with the shape of the fixed caliper body A sheet concave part 11, and the inner surface of the floating caliper body fixing split body convex part 12) is in close fit with the brake sheet 7. Therefore, the minimum thrust of single-activity parking of the floating caliper is more than 20000N, the strength can reach more than 35Mpa, the assembly of the floating caliper and the fixed caliper which are combined into a whole is more compact, the return of the piston assembly is more than 0.15mm, the return of the brake piston opposite cylinder is more than 0.30mm, the functions are improved, the cost is reduced, the installation size range is reduced, the forces applied to the brake pad 7 by the piston assembly 9 corresponding to the planar structure are symmetrical, the technical requirements are met, and the requirements of braking torque are met.
The EPB motor 4 is arranged on the outer side of the clamp body 5 of the actuating mechanism in a matched mode, the EPB motor 4 is movably matched with the piston assembly 9 through the worm gear 41 and the gear 42, the placing direction of the EPB motor 4 is perpendicular to the direction of the supporting rod 6 of the fixed clamp, and the motor actuating mechanism is fixed in a three-point mode, so that the EPB motor is firmer, more reliable and more practical. The introduction of the EPB motor 4 implements a parking function on a vehicle according to the electronic signal indication of the whole vehicle ECU, really meets the electronic braking assisting effect, is trending, more meets the requirements of automobile owners, and solves the problem that the vehicle cannot be installed due to the influence of an integrated assembly space. The front part of the execution mechanism clamp body 5 is provided with a U-shaped shape, and one surface of the U-shaped shape is fixedly connected with the floating clamp body fixing split body 8. On one hand, the fixed clamp body can save materials and reduce weight, on the other hand, the fixed clamp body is attractive and convenient to assemble, has the function of spanning a large diameter, and is suitable for the application range of braking force of all vehicles between 1.2T and 2.5T.
Generally, the integrated package assembly of stationary caliper and floating caliper matched with, only a calliper just can realize service brake and parking auxiliary brake, simple structure, and parking auxiliary brake's power has the effect of multiple, simple structure, the modern design, the assembly is laborsaving, and the cost is practiced thrift, and braking efficiency promotes, fully solves the drawback of current braking system on the market, and market prospect is wide.
The structure is arranged on a brake disc, a brake is stepped by a foot in the driving process, an oil way supplies oil to the brake piston 10 through the oil pipe 3, and the oil pipe adopts an external connection straight way type and is smoothly circulated. At the moment, the four brake pistons 10 simultaneously abut against the brake pads 7 corresponding to the two surfaces, the brake pads 7 tightly hold the brake disc for braking until the vehicle stops, the vehicle can be shifted to a parking gear after the vehicle stops, then the EPB is pressed, the EPB motor 4 drives the gear 42 to rotate through the worm and gear, the gear 42 drives the piston assembly 9 to abut against the brake pads 7, the service brake can be released at the moment, and thus the EPB can effectively prevent the vehicle from slipping backwards after the vehicle stops, and the parking braking effect is realized.
The above-described embodiments are to be construed as illustrative and not restrictive, and modifications which do not contribute to the inventive concepts may be made to the embodiments by those skilled in the art after reading the present specification, but are within the scope of the invention.
Claims (8)
1. The utility model provides an integrated electronic formula parking brake, is including the stationary caliper who is equipped with brake block (7), stationary caliper body A piece (1) and stationary caliper body B piece (2), and the inner face at stationary caliper body A piece (1) and stationary caliper body B piece (2) is installed in brake block (7), its characterized in that, the middle part of stationary caliper body A piece (1) and stationary caliper body B piece (2) is concave shape, and these concave shape both sides all are provided with brake piston (10) that promote brake block (7), and the top position of stationary caliper body A piece (1) and stationary caliper body B piece (2) is provided with guide support bar (6), this guide support bar (6) fixed connection floating caliper, floating caliper include actuating mechanism caliper body (5) and the fixed components of a whole that can function independently (8) of floating caliper body, actuating mechanism caliper body (5) are provided with piston assembly (9) that are used for promoting brake block (7) to brake.
2. An integrated electronic parking brake according to claim 1, characterised in that said piston assembly (9) is placed in a concave shape (21) of the B-plate of the caliper body and is movable in a direction perpendicular to the cross-section of said concave shape to grip the brake plate (7) for braking.
3. An integrated electronic parking brake as claimed in claim 2, characterized in that the piston assembly (9) is connected to a gear (42), the gear (42) is coupled to the EPB motor (4) by connecting a worm gear (41), and the movement of the piston assembly (9) is controlled by the EPB motor (4).
4. The integrated electronic parking brake as claimed in claim 1, characterized in that four braking pistons (10) are provided and are uniformly distributed in the caliper body a (1) and the caliper body B (2), two braking pads (7) are provided, and the braking pistons (10) are pressed against the braking pads (7) for braking.
5. The integrated electronic parking brake as claimed in claim 1, wherein the actuator body (5) and the floating body fixing split body (8) are fixedly connected to form a bridge and are placed above the brake pad (7) and the concave shape arranged in the middle of the fixed body a (1) and the fixed body B (2), the floating body fixing split body (8) has a convex part shape in the middle and a flat inner surface, the floating body fixing split body convex part (12) has a shape matching the concave shape (11) of the fixed body a, and the floating body fixing split body convex part (12) has a shape fitting the brake pad (7).
6. The integrated electronic parking brake of claim 1, characterized in that the fixed caliper body a (1) and the fixed caliper body B (2) are both arc-shaped, and a straight oil pipe (3) for movably supplying oil to the brake piston (10) is arranged outside the fixed caliper body a (1) and the fixed caliper body B (2).
7. The integrated electronic parking brake as claimed in claim 1, characterized in that the front part of the actuator caliper (5) is provided with a "U" shape, one side of the "U" shape is fixedly connected with the floating caliper fixed split body (8).
8. An integrated electronic parking brake as claimed in claim 3, characterized in that the EPB motor (4) is oriented perpendicular to the direction of the guide support bar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992674.7A CN110877605B (en) | 2019-10-18 | 2019-10-18 | Integrated electronic parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992674.7A CN110877605B (en) | 2019-10-18 | 2019-10-18 | Integrated electronic parking brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110877605A true CN110877605A (en) | 2020-03-13 |
| CN110877605B CN110877605B (en) | 2024-09-20 |
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ID=69727969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910992674.7A Active CN110877605B (en) | 2019-10-18 | 2019-10-18 | Integrated electronic parking brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110877605B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277899A (en) * | 2020-10-09 | 2021-01-29 | 东莞市威尼汽车制动用品有限公司 | Electronic hand brake type rear wheel refitting structure |
| CN113623342A (en) * | 2020-05-08 | 2021-11-09 | 曙制动器工业株式会社 | Opposed brake caliper with parking brake function |
| CN114658775A (en) * | 2022-01-28 | 2022-06-24 | 浙江亚太机电股份有限公司 | Hydraulic double-piston floating brake caliper integrating electronic parking function |
| CN115076263A (en) * | 2022-07-27 | 2022-09-20 | 中车戚墅堰机车车辆工艺研究所有限公司 | Pure hydraulic control moves integrative caliper disc brake of parking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100836327B1 (en) * | 2007-06-26 | 2008-06-09 | 현대자동차주식회사 | A rear caliper brake having parking brake for a vehicle |
| KR20120104741A (en) * | 2011-03-14 | 2012-09-24 | 주식회사 만도 | Parking brake for vehicle |
| CN203268017U (en) * | 2013-05-23 | 2013-11-06 | 东风汽车股份有限公司 | Connecting structure of disc brake and shaft coupling |
| CN109611475A (en) * | 2019-01-04 | 2019-04-12 | 芜湖伯特利汽车安全系统股份有限公司 | Electro-hydraulic composite braking applied to motor vehicle clamps assembly |
| CN211001295U (en) * | 2019-10-18 | 2020-07-14 | 温州图伟制动器有限公司 | Integrated electronic parking brake |
-
2019
- 2019-10-18 CN CN201910992674.7A patent/CN110877605B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100836327B1 (en) * | 2007-06-26 | 2008-06-09 | 현대자동차주식회사 | A rear caliper brake having parking brake for a vehicle |
| KR20120104741A (en) * | 2011-03-14 | 2012-09-24 | 주식회사 만도 | Parking brake for vehicle |
| CN203268017U (en) * | 2013-05-23 | 2013-11-06 | 东风汽车股份有限公司 | Connecting structure of disc brake and shaft coupling |
| CN109611475A (en) * | 2019-01-04 | 2019-04-12 | 芜湖伯特利汽车安全系统股份有限公司 | Electro-hydraulic composite braking applied to motor vehicle clamps assembly |
| CN211001295U (en) * | 2019-10-18 | 2020-07-14 | 温州图伟制动器有限公司 | Integrated electronic parking brake |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623342A (en) * | 2020-05-08 | 2021-11-09 | 曙制动器工业株式会社 | Opposed brake caliper with parking brake function |
| EP3907415A1 (en) * | 2020-05-08 | 2021-11-10 | Akebono Brake Industry Co., Ltd. | A brake assembly with a fixed and a sliding caliper system and a method of applying a brake |
| CN112277899A (en) * | 2020-10-09 | 2021-01-29 | 东莞市威尼汽车制动用品有限公司 | Electronic hand brake type rear wheel refitting structure |
| CN114658775A (en) * | 2022-01-28 | 2022-06-24 | 浙江亚太机电股份有限公司 | Hydraulic double-piston floating brake caliper integrating electronic parking function |
| CN115076263A (en) * | 2022-07-27 | 2022-09-20 | 中车戚墅堰机车车辆工艺研究所有限公司 | Pure hydraulic control moves integrative caliper disc brake of parking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110877605B (en) | 2024-09-20 |
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