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CN205578558U - Automotive electronics mechanical brake with clearance adjustment function - Google Patents

Automotive electronics mechanical brake with clearance adjustment function Download PDF

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Publication number
CN205578558U
CN205578558U CN201620316744.9U CN201620316744U CN205578558U CN 205578558 U CN205578558 U CN 205578558U CN 201620316744 U CN201620316744 U CN 201620316744U CN 205578558 U CN205578558 U CN 205578558U
Authority
CN
China
Prior art keywords
brake
adjusting screw
tooth bar
fixing
screw rod
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
CN201620316744.9U
Other languages
Chinese (zh)
Inventor
傅云峰
沈国秋
叶韵静
李波
王耀
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.)
Jinhua Polytechnic
Original Assignee
Jinhua Polytechnic
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 Jinhua Polytechnic filed Critical Jinhua Polytechnic
Priority to CN201620316744.9U priority Critical patent/CN205578558U/en
Application granted granted Critical
Publication of CN205578558U publication Critical patent/CN205578558U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an automotive electronics mechanical brake with clearance adjustment function, including the pincers body, the brake disc of floating, the both sides of brake disc are provided with the friction disc, and the pincers body axial displacement that floats can be followed to back friction disc fixed connection piston, piston, motor stator installs on the pincers body that floats, and electric motor rotor is connected with the centre wheel of planetary gear reducer mechanism, planet carrier and lead screw fixed connection, and the lead screw forms the screw thread transmission with the screw hole of integral key shaft, realizes turning into linear motion with the rotary motion of stopper motor, adjusting screw passes through thrust bearing and is connected with the integral key shaft, is provided with clearance adjustment mechanism between adjusting screw and the regulation support frame, can carry out automatically regulated to the clearance between brake disc and the friction disc to guarantee car brakeing response speed's constancy, further ensure brake performance, the utility model discloses brake performance is good, the structure is exquisite, installation space is little, easy to maintain.

Description

A kind of automobile electromechanical brake with clearance adjustment function
Technical field
This utility model relates to a kind of Novel automobile brake system, is specifically related to a kind of automotive electronics machine with clearance adjustment function Tool brake.
Background technology
Along with development and the change of Hyundai Motor technology, electric automobile is fast-developing.Brake system of car is as the important set of automobile Become part, directly affect the security performance of running car.Hyundai Motor braking technology develops to electronic direction equally, automobile line traffic control Braking technology, especially vehicle electromechanical braking technology are just becoming the research emphasis of each big automobile manufacturing company.
Comparing conventional hydraulic brakes, automobile electro-mechanical brake system has plurality of advantages, as without hydraulic oil, environmental friendliness, Control response fast, easily incorporate ABS (anti-lock braking system), TCS (TCS), (body electronics is stable for ESP System) etc. control technology.
But, there is some defects and deficiency in existing automobile electromechanical brake function: huge structure, there is installation difficulty Problem, it is impossible to meet entrucking requirement;Lack brake clearance automatic regulation function, not can guarantee that the concordance that car braking responds.
Utility model content
In order to solve existing defect and deficiency, technical problem to be solved in the utility model is to provide one and has gap adjustment The automobile electromechanical brake of function, it is little that it has delicate structure, installing space, and can realize the automatic of brake clearance Regulation.
This utility model has the technical solution of the automobile electromechanical brake of clearance adjustment function:
Including brake disc, the both sides of brake disc are provided with friction plate, and rear friction plate is fixedly connected with the piston, and piston can be along floating Caliper moves axially;Planetary gear reducing mechanism includes centre wheel, planetary gear, external gear, planet carrier, the motor of brake Stator is fixedly mounted on floating caliper, and rotor is connected with the centre wheel of planetary gear reducing mechanism, planet-gear speed reducer The external gear of structure is arranged on motor rack;Planet carrier is fixing with leading screw to be connected, and leading screw forms screw-driven with the screwed hole of splined shaft, Realizing the convert rotational motion of brake motor is linear motion;It is provided with gap adjustment between adjusting screw rod and regulation bracing frame Mechanism, it is achieved the function that brake clearance is automatically adjusted.Being provided with worm-and-wheel gear on adjusting screw rod, worm gear is solid with adjusting screw rod Fixed connection.
Described gap adjusting mechanism include tooth bar, one-way clutch, roller gear, regulation bracing frame, compression spring, spacing Support.One-way clutch inner ring is fixing with worm screw to be connected, and one-way clutch outer ring is fixing with roller gear to be connected;Roller gear with Tooth bar engages, and tooth bar is arranged in locating support.One end of tooth bar is arranged in the stopper slot of floating caliper, it is possible to along limit Position groove moves axially, and the distance between stopper slot and tooth bar is set as normal brake application gap.Between described regulation bracing frame and tooth bar It is provided with compression spring.Locating support is connected with regulation bracing frame by fixing bolt, nut.
It is provided with screwed hole in described piston, forms non-self-lock-ing with one end of adjusting screw rod and threaded, the other end of adjusting screw rod It is connected with splined shaft by thrust bearing.Described piston is connected with floating caliper by rectangular seal, and piston is provided with flat key, Piston can be made to move axially along floating caliper.
What this utility model can reach has the technical effect that
This utility model uses planetary gear reducing mechanism, and playing slows down increases the effect of square, the braking energy needed for reduction, saves Energy consumption.Motor stator is arranged on floating caliper, and rotor is nested in outside splined support frame, can be greatly reduced brake Axially, radial dimension so that delicate structure, installing space are little.
This utility model has gap automatic regulation function, it is possible to the gap between brake disc and friction plate is carried out free regulation, To ensure the concordance of braking response speed, the braking ability of support vehicles.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation that this utility model has the automobile electromechanical brake of clearance adjustment function;
Fig. 2 is the partial schematic diagram of this utility model gap adjusting mechanism.
Description of reference numerals in figure:
1 for floating caliper 2 be piston
3 be flat key 4 be adjusting screw rod
5 be worm screw 6 be motor stator
7 be external gear 8 be planetary gear
9 be splined support frame 10 be splined shaft
11 be leading screw 12 be planet carrier
Taking turns 14 centered by 13 is motor rack
15 be rotor 16 be thrust bearing
17 be worm gear 18 be rectangular seal
19 be rear friction plate 20 be brake disc
21 be front friction plate 22 be stopper slot
23 be tooth bar 24 be one-way clutch
25 is that roller gear 26 is for regulating bracing frame
27 be compression spring 28 be locating support
29 is nut for fixing bolt 30
Detailed description of the invention
As it is shown in figure 1, this utility model has the automobile electromechanical brake of clearance adjustment function, it is characterised in that: include Brake disc 20, the both sides of brake disc 20 are provided with friction plate, and front friction plate 21 is fixing with floating caliper 1 to be connected, rear friction plate 19 fixing with piston 2 are connected;Piston 2 is connected with floating caliper 1 by rectangular seal 18, and piston 2 is provided with flat key 3, Piston 2 can be made to move axially along floating caliper 1.Planetary gear reducing mechanism includes centre wheel 13, planetary gear 8, external gear 7, planet carrier 12;Brake motor includes motor stator 6, rotor 15;Motor stator 6 is fixedly mounted on floating caliper 1 On, rotor 15 is nested in outside splined support frame 9, it is possible to achieve radial rotary, and motor turns 15 son and planetary gear speed-reductions The centre wheel 13 of mechanism connects, and the external gear 7 of planetary gear reducing mechanism is arranged on motor rack 14.
Splined support frame 9 is fixedly mounted on floating caliper 1, and splined shaft 10 can move axially along splined support frame 9;OK Carrier 12 is fixing with leading screw 11 to be connected, and leading screw 11 forms screw-driven with the screwed hole of splined shaft 10, it is achieved by brake electricity The convert rotational motion of machine is linear motion.The left end of splined shaft 10 is provided with installing hole, by thrust bearing 16 and regulation spiral shell Bar 4 connects, and adjusting screw rod 4 can make radial rotary with relative spline shaft 10.Regulation bracing frame 26 is fixing with splined shaft 10 to be connected. One end of adjusting screw rod 4 and piston 2 form non-self-lock-ing screw thread.
As in figure 2 it is shown, be provided with gap adjusting mechanism between adjusting screw rod 4 and regulation bracing frame 26, it is possible to achieve brake clearance The function being automatically adjusted.Being provided with worm-and-wheel gear on adjusting screw rod 4, worm gear 17 is fixing with adjusting screw rod 4 to be connected.Gap Governor motion include tooth bar 23, one-way clutch 24, roller gear 25, regulation bracing frame 26, compression spring 27, spacing Support 28.One-way clutch 24 inner ring is fixing with worm screw 5 to be connected, and one-way clutch 24 outer ring is fixing with roller gear 25 even Connect;Roller gear 25 engages with tooth bar 23, and tooth bar 23 is arranged in locating support 28.One end of tooth bar 23 is arranged on floating In the stopper slot 22 of moving caliper 1, it is possible to move axially along stopper slot 22, the distance between stopper slot 22 and tooth bar 23 sets For normal brake application gap L.It is provided with compression spring 27 between described regulation bracing frame 26 and tooth bar 23.Locating support 28 leads to Cross fixing bolt 29, nut 30 is connected with regulation bracing frame 26.
Operation principle of the present utility model is:
When brake, electronics rotor 15 drives centre wheel 13 to rotate, and drives planet carrier by planetary gear reducing mechanism 12 rotate.The leading screw 11 being connected with planet carrier 12 drives splined shaft 10 to move axially, thus drives adjusting screw rod 4 to moving to left Dynamic, and then promote piston 2 and rear friction plate 19 to press to brake disc 20 along floating caliper 1, front friction plate 21 presses close to braking simultaneously Dish 20, creates braking moment, it is achieved the braking to wheel;
When releasing braking, rotor 15 inverts, and drives planet carrier 12, leading screw 11 to reversely rotate, drives splined shaft 10 return, Thus drive adjusting screw rod 4 and piston 2 to move back, and the elastic deformation release of rectangular seal 20, friction plate leaves brake disc, from And release braking.
Gap adjusting mechanism operation principle of the present utility model is:
Distance between stopper slot 22 and tooth bar 23 is set as that normal brake application gap is L, and friction plate 19,21 produces wear extent Δ.
During braking rise, splined shaft 10 promotes adjusting screw rod 4, piston 2 to be moved to the left L+ Δ, and tooth bar 23 is in compression spring 27 Effect under push up to locating support 28 all the time, promotion tooth bar 23 relative accommodation bracing frame 26 is moved right Δ by stopper slot 22, Thus driving roller gear 25 to rotate, one-way clutch, when braking rise, is in slipping state, roller gear 25 Rotation will not drive worm screw 5 to rotate.
Brake release, i.e. during backhaul, splined shaft 10 drives adjusting screw rod 4 return L+ Δ, and at this moment the elasticity of compression spring 27 is released Putting, tooth bar 23, under the effect of compression spring 27, drives roller gear 25 to turn round, and now one-way clutch 24 drives worm screw 5 rotate, and then drive worm gear 17 to rotate, and by the gear ratio relation set, coaxial adjusting screw rod 4 will rotate corresponding Angle, make piston 2 relative accommodation screw rod 4 be moved to the left Δ, so that brake clearance between brake disc and friction plate recovers Normal brake application gap is L, it is achieved brake clearance automatic regulation function.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, those skilled in the art Usual variations and alternatives in this utility model technical scope all should be included in protection domain of the present utility model.

Claims (3)

1. an automobile electromechanical brake with clearance adjustment function, it is characterised in that: include floating caliper, brake disc, The both sides of brake disc are provided with friction plate, and rear friction plate is fixing connects piston, and piston is by rectangular seal and flat key and floating clamp Body connects, it is possible to move axially along floating caliper;The motor stator of brake is fixedly mounted on floating caliper, rotor Being connected with the centre wheel of planetary gear reducing mechanism, the external gear of planetary gear reducing mechanism is fixing with motor rack to be connected;Planet carrier Fixing with leading screw and be connected, leading screw forms screw-driven with the screwed hole of splined shaft, it is achieved by the convert rotational motion of brake motor For linear motion;It is provided with gap adjusting mechanism, it is achieved the merit that brake clearance is automatically adjusted between adjusting screw rod and regulation bracing frame Energy;Being provided with worm-and-wheel gear on adjusting screw rod, worm gear is fixing with adjusting screw rod to be connected.
The automobile electromechanical brake with clearance adjustment function the most according to claim 1, it is characterised in that: described Gap adjusting mechanism includes tooth bar, one-way clutch, roller gear, regulation bracing frame, compression spring, locating support;Single Fixing to clutch inner ring and worm screw and be connected, one-way clutch outer ring is fixing with roller gear to be connected;Cylinder Gear wheel and rack engages, Tooth bar is arranged in locating support, and one end of tooth bar is arranged in the stopper slot of floating caliper, it is possible to axially move along stopper slot Dynamic, the distance between stopper slot and tooth bar is set as normal brake application gap;It is provided with compression between described regulation bracing frame and tooth bar Spring.
The automobile electromechanical brake with clearance adjustment function the most according to claim 1, it is characterised in that: described work Being provided with screwed hole in plug, threadeded by non-self-lock-ing with one end of adjusting screw rod, the other end of adjusting screw rod passes through thrust axis Hold and be connected with splined shaft.
CN201620316744.9U 2016-04-07 2016-04-07 Automotive electronics mechanical brake with clearance adjustment function Expired - Fee Related CN205578558U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620316744.9U CN205578558U (en) 2016-04-07 2016-04-07 Automotive electronics mechanical brake with clearance adjustment function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620316744.9U CN205578558U (en) 2016-04-07 2016-04-07 Automotive electronics mechanical brake with clearance adjustment function

Publications (1)

Publication Number Publication Date
CN205578558U true CN205578558U (en) 2016-09-14

Family

ID=56862835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620316744.9U Expired - Fee Related CN205578558U (en) 2016-04-07 2016-04-07 Automotive electronics mechanical brake with clearance adjustment function

Country Status (1)

Country Link
CN (1) CN205578558U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736606A (en) * 2016-04-07 2016-07-06 金华职业技术学院 Automobile electromechanical brake with gap adjusting function
CN107448521A (en) * 2017-06-20 2017-12-08 浙江师范大学 A kind of floating caliper type disc brake-by-wire device
CN107448514A (en) * 2017-08-28 2017-12-08 浙江师范大学 A kind of electric mechanical brake-by-wire device
CN107461428A (en) * 2017-06-20 2017-12-12 浙江师范大学 A kind of automobile brake-by-wire device and control method
CN109578477A (en) * 2018-12-07 2019-04-05 长沙理工大学 A kind of electromechanical brake
CN111908297A (en) * 2020-08-12 2020-11-10 安徽理工大学 Monitoring system of disc brake of elevator
CN111133218B (en) * 2017-09-21 2021-10-15 威伯科欧洲有限责任公司 Disc brake with hold-down device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736606A (en) * 2016-04-07 2016-07-06 金华职业技术学院 Automobile electromechanical brake with gap adjusting function
CN107448521A (en) * 2017-06-20 2017-12-08 浙江师范大学 A kind of floating caliper type disc brake-by-wire device
CN107461428A (en) * 2017-06-20 2017-12-12 浙江师范大学 A kind of automobile brake-by-wire device and control method
CN107448521B (en) * 2017-06-20 2019-09-20 浙江师范大学 A kind of floating caliper type disc brake-by-wire device
CN107448514A (en) * 2017-08-28 2017-12-08 浙江师范大学 A kind of electric mechanical brake-by-wire device
CN107448514B (en) * 2017-08-28 2019-09-20 浙江师范大学 A kind of electric mechanical brake-by-wire device
CN111133218B (en) * 2017-09-21 2021-10-15 威伯科欧洲有限责任公司 Disc brake with hold-down device
US11466741B2 (en) 2017-09-21 2022-10-11 Wabco Europe Bvba Disc brake having an actuation device
CN109578477A (en) * 2018-12-07 2019-04-05 长沙理工大学 A kind of electromechanical brake
CN111908297A (en) * 2020-08-12 2020-11-10 安徽理工大学 Monitoring system of disc brake of elevator
CN111908297B (en) * 2020-08-12 2021-09-28 安徽理工大学 Monitoring system of disc brake of elevator

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160914

Termination date: 20180407