CN201872738U - Electronic parking brake - Google Patents

Electronic parking brake Download PDF

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Publication number
CN201872738U
CN201872738U CN2010205790808U CN201020579080U CN201872738U CN 201872738 U CN201872738 U CN 201872738U CN 2010205790808 U CN2010205790808 U CN 2010205790808U CN 201020579080 U CN201020579080 U CN 201020579080U CN 201872738 U CN201872738 U CN 201872738U
Authority
CN
China
Prior art keywords
slipper
brake
motor
piston
clamp body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205790808U
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Chinese (zh)
Inventor
张忠清
赵宏
张培建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG ZHONGCHANG AUTO PARTS CO Ltd
Original Assignee
ZHEJIANG ZHONGCHANG AUTO PARTS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG ZHONGCHANG AUTO PARTS CO Ltd filed Critical ZHEJIANG ZHONGCHANG AUTO PARTS CO Ltd
Priority to CN2010205790808U priority Critical patent/CN201872738U/en
Application granted granted Critical
Publication of CN201872738U publication Critical patent/CN201872738U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an electronic parking brake which mainly solves the problems of poor safety and low labor intensity of the existing parking brake. The electronic parking brake is characterized in that a brake caliper body is connected with a motor; a cylinder is internally provided with a screw which is connected with the motor through a motor shaft; the screw is provided with a nut which is in screw-thread fit with the screw; the nut is matched with a piston; and the motor is connected with electronic control equipment. The electronic parking brake adopts the electronic control manner to replace the hand pulling manner, thus greatly reducing labor intensity, being capable of controlling the braking procedure with higher performance and being high in safety.

Description

The electronic brake device
Technical field
The utility model relates to a kind of holding brake device, specifically is meant the electronic brake device.
Background technology
The traditional automobile parking braking normally driver train of armrest manipulation makes rear axle system device or centre brake produce braking moment, and then affacts trailing wheel, thereby causes what realized trailing wheel generation braking force on the road surface.There is a fatal problem in this mode, and that is exactly because driver's operation power varies in size, and causes the braking moment that produces also different, and this will certainly reduce handling safety.
Pull braking and make driver's operation hard, braking force is provided by the people, and through the multi-stage mechanical transmission, mechanical efficiency is low, and period of service is of a specified duration generation gross distortion has reduced reliability.Because behind the automobile brake, friction lining all can produce no small wearing and tearing, behind the friction disc wear, make that the gap between the slipper can not automatic compensation, cause brake response efficient to reduce, safety is not high.The operation in hand adjustment gap is very loaded down with trivial details, needs the professional to operate, and band self-regulated gap function, clearance self-regulating mechanism is also quite complicated, and manufacturing cost is very high.
Summary of the invention
In order to overcome disadvantages of background technology, the utility model provides a kind of electronic brake device, and this Parking Brake has the advantage safe and reliable, that labour intensity is low, has solved that existing labour intensity is big, the problem of poor stability.
The technical solution of the utility model is: a kind of electronic brake device, comprise brake caliper assembly, described brake caliper assembly comprises braking clamp body, slipper and piston, described piston is positioned at braking clamp body, form oil cylinder between the inner side end of described piston and braking clamp body, also be provided with two slipper in the described braking clamp body, be respectively first slipper and second slipper, described first slipper is connected with piston, be provided with brake disc in the middle of described first slipper and second slipper, it is characterized in that: described braking clamp body is connected with motor, be provided with screw rod in the described oil cylinder, described screw rod is connected with motor by motor shaft, is positioned at screw rod and is provided with nut with its screw thread fit, described nut matches with piston, and described motor is connected with control electronics.
Further, be provided with elastic seal ring between described piston and the braking clamp body.
The utlity model has following beneficial effect: owing to adopt electronic brake to replace original hand pulling type braking during standstill in this drg, electronic control component can precisely be controlled brake system, by the motor number of turns being controlled the gap of automatically regulating slipper, make the safety performance of brake improve greatly, and adopt button to replace original drag-line, just can realize brake, effectively reduce the labour intensity of chaufeur, easy to use, comfortable.
Description of drawings
Fig. 1 is a structure cutaway view of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the birds-eye view of Fig. 2 of the present utility model.
Among the figure, braking clamp body 1, the first slipper 2, the second slipper 3, oil cylinder 4, piston 5, screw rod 6, nut 7, elastic seal ring 8, motor 9, motor shaft 10, dust ring 11, screw 12, caliper support 13.
The specific embodiment
At accompanying drawing embodiment of the present utility model is described further below:
Shown in figure, this electronic brake device, comprise brake caliper assembly, described brake caliper assembly comprises braking clamp body 1, slipper and piston 5, described piston 5 is positioned at braking clamp body 1, form oil cylinder 4 between the inner side end of described piston 5 and braking clamp body 1, also be provided with two slipper in the described braking clamp body 1, be respectively first slipper 2 and second slipper 3, described first slipper 2 is connected with piston 5, be provided with brake disc in the middle of described first slipper 2 and second slipper 3, described braking clamp body 1 is connected with motor 9, is provided with screw rod 6 in the described oil cylinder 4, described screw rod 6 is connected with motor 9 by motor shaft 10, be positioned at screw rod 6 and be provided with nut 7 with its screw thread fit, described nut 7 matches with piston 5, and described motor 9 is connected with control electronics.According to such scheme, owing to adopt electronic brake to replace original hand pulling type braking during standstill in this drg, electronic control component can precisely be controlled brake system, by the motor number of turns being controlled the gap of automatically regulating slipper, make the safety performance of brake improve greatly, and adopt button to replace original drag-line, just can realize brake, effectively reduced the labour intensity of chaufeur, easy to use, comfortable.
In the utility model, be provided with elastic seal ring 8 between described piston 5 and the braking clamp body 1.During hydraulic braking, step on the service brake sweep, hydraulic oil promotes piston 5 makes slipper clamping brake disc realize braking, unclamp the service brake sweep, elastic seal ring 8 produces the direction motion that distortion makes piston 5 move towards counter owing to be squeezed, realize brake off, and elastic seal ring 8 can be realized sealing function by actv..
In this practicality is new, motor is connected on the braking clamp body 1 by screw 12, described braking clamp body is positioned on the caliper support 13, and motor 9 is connected with control electronics, and control electronics is connected with button, be positioned at braking clamp body 1 and be provided with oil inlet, oil inlet be connected with master brake cylinder by brake piping, during the type service brake, step on braking vane, the oil inlet that pressure makes brake noise pass through braking clamp body 1 injects its inner oil cylinder 4, promotes piston 5 and makes slipper clamp brake disc, when removing service brake, brake noise is from the oil cylinder 4 interior petrol storage tanks that turn back to master brake cylinder by brake piping of braking clamp body 1.During braking during standstill, click button, motor 9 on the electronic brake device will rotate, motor 9 is just changeing 6 rotations of drive screw rod, and then make that being subjected on the circumferencial direction piston 5 in-to-in nuts 7 can only axially promote piston 5 clamps brake discs and realize braking, because screw rod 6 adopts self-locking thread to cooperate with nut 7, make braking during standstill safe and reliable, during motor 9 counter-rotatings, nut 7 has produced and the reciprocal displacement of Parking, nut 7 separates with piston 5, the axial force that nut 7 acts on the piston 5 is removed, force piston 5 to produce a certain amount of reciprocal displacement during with braking during standstill, thereby make and recover certain clearance between slipper and the brake disc, thereby make that braking during standstill is removed fully.Accurately effective when adopting electron steering to make braking during standstill, safety, reliable.Also be provided with dust ring 11 between described piston 5 and the braking clamp body 1, can actv. prevent that material such as dust from entering the performance that influences piston.
In the utility model, motor 9 is controlled by control electronics, does not need manpower that power is provided.The size control of motor 9 application forces is quite accurate, and the braking corresponding speed is swift, braking and brake off, and by the control unit processing information data, it is very reliable to work.The wear condition of slipper is monitored at any time and is compensated, and can in time send the warning that needs to change slipper to chaufeur.Adopt the electronic brake technology, can make vehicle start braking automatically when waiting red light or uphill/downhill to stop, the driver need not a pin and touches on the brake.Electronic brake system is calculated the gradient by the longitudinal acceleration sensor that is built in its control system, thereby can calculate the sliding force that vehicle produces owing to gravity on the slope, come the balance sliding force by 9 pairs of trailing wheel brake activationes of motor power, vehicle can be parked on the slope.When vehicle was started to walk once more, its control system was calculated the braking force that need apply by the size of displacement pickup on the pedal of clutch and throttle, knew the size of engine traction simultaneously by high speed line traffic control and engine computer communication.The increase of the automatic calculation engine tractive force of control system reduces braking force accordingly.When tractive force enough overcomes sliding force, control system drive motor brake off, thus realize the smooth and easy starting of vehicle.The pin step on the accelerator gets final product brake off, and locks again when quiescence.If closed engine or chaufeur is got off, the electronics Parking is pinned Parking Brake with persistence.This allows waiting become very light.When vehicle was in operation, chaufeur can be realized urgent service brake with the braking during standstill button.The utility model is the steady low noise combination that is easy to automatic guidance ability and hydraulic pressure of electronics, superior performance.
Embodiment should not be considered as the restriction to utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.

Claims (2)

1. electronic brake device, comprise brake caliper assembly, described brake caliper assembly comprises braking clamp body (1), slipper and piston (5), described piston (5) is positioned at braking clamp body (1), form oil cylinder (4) between the inner side end of described piston (5) and braking clamp body (1), also be provided with two slipper in the described braking clamp body (1), be respectively first slipper and (2) second slipper (3), described first slipper (2) is connected with piston (5), described first slipper (2) and the middle brake disc that is provided with of second slipper (3), it is characterized in that: described braking clamp body (1) is connected with motor (9), be provided with screw rod (6) in the described oil cylinder (4), described screw rod (6) is connected with motor (9) by motor shaft (10), be positioned at screw rod (6) and be provided with nut (7) with its screw thread fit, described nut (7) matches with piston (5), and described motor (9) is connected with control electronics.
2. electronic brake device according to claim 1 is characterized in that being provided with elastic seal ring (8) between described piston (5) and the braking clamp body (1).
CN2010205790808U 2010-10-27 2010-10-27 Electronic parking brake Expired - Fee Related CN201872738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205790808U CN201872738U (en) 2010-10-27 2010-10-27 Electronic parking brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205790808U CN201872738U (en) 2010-10-27 2010-10-27 Electronic parking brake

Publications (1)

Publication Number Publication Date
CN201872738U true CN201872738U (en) 2011-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205790808U Expired - Fee Related CN201872738U (en) 2010-10-27 2010-10-27 Electronic parking brake

Country Status (1)

Country Link
CN (1) CN201872738U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303295A (en) * 2012-03-08 2013-09-18 现代摩比斯株式会社 Brake of vehicle
CN107444382A (en) * 2017-08-21 2017-12-08 瑞立集团有限公司 A kind of double drag-line electronic parking two-flight screw transmission mechanisms
CN107600051A (en) * 2017-08-15 2018-01-19 浙江零跑科技有限公司 New kind of brake gears used for electric vehicle and its method
CN110578764A (en) * 2019-08-22 2019-12-17 上海大陆汽车制动系统销售有限公司 Software type electronic brake caliper friction plate abrasion alarm system and method
CN112550246A (en) * 2019-09-25 2021-03-26 比亚迪股份有限公司 Electronic parking system, brake device, electronic parking method and vehicle
EP3974265A1 (en) * 2020-09-29 2022-03-30 Kema Enterprise Co., Ltd. Motor transmission unit for electronic parking brake device
CN115339429A (en) * 2022-09-05 2022-11-15 北京汽车集团越野车有限公司 Vehicle, and vehicle parking control method and device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303295A (en) * 2012-03-08 2013-09-18 现代摩比斯株式会社 Brake of vehicle
CN103303295B (en) * 2012-03-08 2015-07-22 现代摩比斯株式会社 Brake of vehicle
CN107600051A (en) * 2017-08-15 2018-01-19 浙江零跑科技有限公司 New kind of brake gears used for electric vehicle and its method
CN107600051B (en) * 2017-08-15 2020-03-03 浙江零跑科技有限公司 Novel brake device for electric automobile and method thereof
CN107444382A (en) * 2017-08-21 2017-12-08 瑞立集团有限公司 A kind of double drag-line electronic parking two-flight screw transmission mechanisms
CN110578764A (en) * 2019-08-22 2019-12-17 上海大陆汽车制动系统销售有限公司 Software type electronic brake caliper friction plate abrasion alarm system and method
CN112550246A (en) * 2019-09-25 2021-03-26 比亚迪股份有限公司 Electronic parking system, brake device, electronic parking method and vehicle
EP3974265A1 (en) * 2020-09-29 2022-03-30 Kema Enterprise Co., Ltd. Motor transmission unit for electronic parking brake device
CN115339429A (en) * 2022-09-05 2022-11-15 北京汽车集团越野车有限公司 Vehicle, and vehicle parking control method and device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110622

Termination date: 20151027

EXPY Termination of patent right or utility model