CN208535036U - A kind of electromagnetic-type electronic mechanical brake - Google Patents
A kind of electromagnetic-type electronic mechanical brake Download PDFInfo
- Publication number
- CN208535036U CN208535036U CN201820899623.0U CN201820899623U CN208535036U CN 208535036 U CN208535036 U CN 208535036U CN 201820899623 U CN201820899623 U CN 201820899623U CN 208535036 U CN208535036 U CN 208535036U
- Authority
- CN
- China
- Prior art keywords
- braking
- inlay
- piston
- electromagnetic
- electromagnetic clutch
- 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.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of electromagnetic-type electronic mechanical brakes.The output shaft of motor is connected through deceleration mechanism with electromagnetic clutch, electromagnetic clutch and ball-screw axis connection；Ballscrew shaft and piston are installed in braking inlay, it brakes inlay and is equipped with bore passages, the bottom surface of braking inlay bore passages is provided with central through hole, extend on the outside of bore passages and stretches out and be bent to form pincers portion, ballscrew shaft inner end connects after stretching out braking inlay with the electromagnetic clutch other end, ballscrew shaft outer end is set with to form ball guide screw nat through ball and ball-screw nut, piston inner end is connected to bore passages bottom surface in braking inlay through return spring, piston bush moves in braking inlay bore passages and along bore passages, rubbed of piston outer end is connected with brake disc.The utility model is using electromagnetic clutch transmitting and interrupts power, and without inverting motor, release braking, response is rapid, and transmission efficiency is high, it is possible to reduce braking release time, and grown motor service life.
Description
Technical field
The utility model relates to automobile brake technologies, and in particular to a kind of electromagnetic-type electronic mechanical brake.
Background technique
With the fast development of automobile intelligent technology, X-by-wire on Automobile on vehicle using more and more extensive.Electronics
Mechanical braking technology is a branch of brake-by-wire technology, is a kind of completely new automobile brake theory.Electric mechanical braking system
System has many advantages, such as that structure is simple, has excellent performance, environmentally friendly.Electromechanical brake is the execution machine of electromechanical braking system
Structure is the critical component for generating brake force.
Electromagnetic clutch is a kind of effect using electromagnetic energy, and torque is transferred to slave end from master end, completes transmission
The connection of system and power transmitting.Electromagnetic clutch have it is small in size, it is compact-sized, it is sensitive the advantages that.Ball-screw can
To convert linear motion for rotary motion, transmission efficiency is high, and cannot be self-locking.
Electromechanical brake existing design discharges braking using motor reversal, and motor continually rotates forward, inverts and can contract
Short motor service life, and increase the braking response time.
Utility model content
In order to solve the problems, such as that background technique, the purpose of this utility model are to propose that a kind of electromagnetic-type electronic is mechanical
Brake interrupts power using electromagnetic clutch, and piston is retracted realization braking release using return spring.This is practical new
Type is mainly used in service brake.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The utility model includes motor, deceleration mechanism, electromagnetic clutch, return spring, ballscrew shaft, ball, ball
Feed screw nut, piston, braking inlay, the first friction plate, the second friction plate and brake disc；The output shaft of motor through deceleration mechanism and
One end of electromagnetic clutch connects, and the electromagnetic clutch other end and ballscrew shaft one end are coaxially connected；It is installed in braking inlay
There are ballscrew shaft and piston, braking inlay is equipped with bore passages, and the bottom surface of braking inlay bore passages is provided with central through hole, interior
Extend on the outside of chamber channel and stretch out and be bent to form pincers portion, ballscrew shaft inner end is set in bore passages bottom surface in braking inlay
It is connected in central through hole and after stretching out braking inlay with the electromagnetic clutch other end, ballscrew shaft outer end is through ball and ball wire
Thick stick nut is set with to form ball guide screw nat, and ball-screw nut is fixedly connected by screw with the inner end of piston, in piston
End is connected to the bottom surface of bore passages in braking inlay through return spring, and piston bush is mounted in the bore passages of braking inlay and edge
Bore passages are mobile, and rubbed of piston outer end is connected with brake disc.
The deceleration mechanism includes pinion gear and gear wheel, and the output shaft and pinion gear of motor are coaxially connected, pinion gear
It engages to form gear driving pair with gear wheel, one end of gear wheel and electromagnetic clutch is coaxially connected.
The end that the ballscrew shaft inner end is stretched out after braking inlay is equipped with circlip, by circlip by ballscrew shaft
End is limited in braking inlay outer wall.
The piston is socketed in the bore passages in braking inlay through rectangular loop sealing.
The brake disc is arranged in piston outer end and brakes between the pincers portion for extending outside inlay bore passages and stretching out, braking
One the first friction plate of end face of disk is connected with piston outer end face, the second friction plate of other end and braking inlay of brake disc
Pincers portion inner sidewall connection.
The return spring is mounted between piston and braking inlay.
The electromagnetic clutch includes the component of two rotary motions, respectively driving part and slave unit, electromagnetism
The driving part of clutch is connected with gear wheel output shaft, and the slave unit of electromagnetic clutch is connected with ballscrew shaft.
The utility model has the following beneficial effects:
1, for the utility model when discharging braking, motor is without reversion, it is possible to reduce braking release time.
2, continually applying and discharging in braking process, motor extends motor service life without reversion.
3, power is transmitted and cut off using electromagnetic clutch, and response is rapid, and transmission efficiency is high.
Detailed description of the invention
Fig. 1 is electromagnetic-type electronic mechanical brake structural schematic diagram described in the utility model.
In figure: 1- motor, 2- pinion gear, 3- gear wheel, 4- electromagnetic clutch, 5- circlip, 6- braking clamp body, 7- return bullet
Spring, 8- ballscrew shaft, 9- ball-screw nut, 10- ball, 11- screw, 12- piston, 13- rectangular loop, 14- first rub
Piece, the second friction plate of 15-, 16- brake disc.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model specific implementation include motor 1, deceleration mechanism, electromagnetic clutch 4, return spring 7,
Ballscrew shaft 8, ball 10, ball-screw nut 9, piston 12, braking inlay 6, the first friction plate 14,15 and of the second friction plate
Brake disc 16；The output shaft of motor 1 is connected through deceleration mechanism with one end of electromagnetic clutch 4,4 other end of electromagnetic clutch and rolling
8 one end of ballscrew axis is coaxially connected；Ballscrew shaft 8 and piston 12 are installed, braking inlay 6 is equipped with inner cavity in braking inlay 6
Channel, the bottom surface of braking 6 bore passages of inlay are provided with central through hole, extend on the outside of bore passages and stretch out and be bent to form pincers portion,
8 inner end of ballscrew shaft is set in braking inlay 6 in the central through hole of bore passages bottom surface and stretches out after braking inlay 6 and electric
The connection of 4 other end of magnet clutch, 8 outer end of ballscrew shaft form ball-screw spiral shell through ball 10 and the suit of ball-screw nut 9
It is female secondary, the ball screw framework being mainly made of ballscrew shaft 8, ball 10 and ball-screw nut 9, ball-screw nut 9
It is fixedly connected by screw 11 with the inner end of piston 12, ball-screw nut 9 is fixed on piston 12, by ball-screw nut 9
Band piston 12 is axially moved.Piston 12 is sealed through rectangular loop 13 in the bore passages being socketed in braking inlay 6, in piston 12
End is connected to the bottom surface of bore passages in braking inlay 6 through return spring 7, and the inner cavity that piston 12 is sleeved in braking inlay 6 is logical
It is moved in road and along bore passages, the connection of rubbed of 12 outer end of piston (14,15) and brake disc 16.
As shown in Figure 1, deceleration mechanism includes pinion gear 2 and gear wheel 3, the output shaft and pinion gear 2 of motor 1 coaxially connect
It connects, pinion gear 2 and gear wheel 3 engage and form gear driving pair, and one end of gear wheel 3 and electromagnetic clutch 4 is coaxially connected.
As shown in Figure 1, the end that 8 inner end of ballscrew shaft is stretched out after braking inlay 6 is equipped with circlip 5, pass through 5 ball of circlip
8 end of lead screw shaft is limited in braking 6 outer wall of inlay, and it is embedding that the protruding shaft end of ballscrew shaft 8 by circlip 5 is axially fixed in braking
The central through hole outer end face of body 6, circlip 5 is placed in braking 6 outer end of inlay and blocks ballscrew shaft 8, so that ballscrew shaft 8
Can only rotate cannot move axially.
As shown in Figure 1, brake disc 16 is arranged in 12 outer end of piston and brakes the pincers portion for extending outside 6 bore passages of inlay and stretching out
Between, first friction plate of end face 14 of brake disc 16 is connected with 12 outer end face of piston, the other end of brake disc 16
Two friction plates 15 are connected with the pincers portion inner sidewall of braking inlay 6.
As shown in Figure 1, return spring 7 is mounted between piston 12 and braking inlay 6.Return spring one end is fixed on braking
The inside of inlay, one end are fixed by screws on piston, return spring when electromagnetic-type electronic mechanical brake does not work at
In free state.Ball screw framework can not be self-locking, after cutting off 8 power of ballscrew shaft, under the action of return spring 7,
Piston 12 is moved to motor drive direction, release braking.
Electromagnetic clutch includes the component of two rotary motions, respectively driving part and slave unit, electromagnetic clutch
Driving part be connected with gear wheel output shaft, the slave unit of electromagnetic clutch is connected with ballscrew shaft.
The electromagnetic clutch of the utility model is to make machine using the frictional force between electromagnetic induction principle and interior outside friction disc
The component of two rotary motions in tool system, in the case where driving part does not stop rotating, slave unit can be with its point
From.The electromagnetic clutch coil is powered in braking, and the driving part and slave unit of electromagnetic clutch engage, transmitting
Power；When release braking, electromagnetic clutch coil blackout, driving part and the slave unit separation of electromagnetic clutch.
The work implementation process of the utility model is as follows
A, electromechanical brake service braking operation is as follows:
When driver's brake pedal, control unit control motor 1 starts to rotate, and power is through 1 output shaft of motor
The pinion gear 2 of deceleration mechanism is transmitted, pinion gear 2 is meshed with gear wheel 3, and power passes to gear wheel 3.Motor 1 exports dynamic
Power is amplified by deceleration mechanism, and the power transmitting being exaggerated is passed to the initiative part of electromagnetic clutch 4 by the output shaft of gear wheel 3
Part.When executing braking, the coil of electromagnetic clutch 4 is powered, under the action of electromagnetic force, the driving and driven component of electromagnetic clutch 4
Engagement, power are transmitted to ballscrew shaft 8 by the slave unit of electromagnetic clutch 4.Ballscrew shaft 8 rotates, and drives ball wire
Thick stick nut 9 is mobile to 16 direction of brake disc, thus mobile to 16 direction of brake disc with piston 12, return spring 7 is stretched.It is living
Plug 12 pushes the first friction plate 14 mobile to 16 direction of brake disc.Between first friction plate 14 eliminates it between brake disc 16
Gap continues to press on brake disc 16 and continues to move to the second friction plate 15, until brake disc 16 is contacted with the second friction plate 15, passes through
Rubbing action realizes that automobile brake slows down.
B, electromechanical brake release braking process is as follows:
When driver discharges brake pedal, the coil blackout of electromagnetic clutch 4, electromagnetic force disappears, electromagnetic clutch 4
Driving part and slave unit separation.Motor 1 continues to rotate originally at this time, the power interruption of ballscrew shaft 8.Due to rolling
Screw mechanism moves under the action of return spring 7 to 1 direction of motor without self-lock ability, ball-screw nut 9, band piston
12 move to 1 direction of motor, so that the first friction plate 14 leaves brake disc 16, realize braking release.
After braking release, if brake pedal, the coil of electromagnetic clutch 4 are once again powered up driver again at once, electromagnetism
The driving part and slave unit of clutch are re-engaged, and repeat above-mentioned braking process；If driver's no longer brake pedal,
Then control unit control motor 1 stops operating.
The utility model transmits and interrupts power using electromagnetic clutch and realizes control for brake as a result, without inverting motor,
Release braking, response is rapid, and transmission efficiency is high, it is possible to reduce braking release time, and extend motor service life.
Claims (7)
1. a kind of electromagnetic-type electronic mechanical brake, it is characterised in that: including motor (1), deceleration mechanism, electromagnetic clutch (4),
Return spring (7), ballscrew shaft (8), ball (10), ball-screw nut (9), piston (12), braking inlay (6), first
Friction plate (14), the second friction plate (15) and brake disc (16)；The output shaft of motor (1) is through deceleration mechanism and electromagnetic clutch
(4) one end connection, electromagnetic clutch (4) other end and ballscrew shaft (8) one end are coaxially connected；Brake peace in inlay (6)
Equipped with ballscrew shaft (8) and piston (12), brakes inlay (6) and be equipped with bore passages, brake the bottom surface of inlay (6) bore passages
It is provided with central through hole, extends on the outside of bore passages and stretches out and be bent to form pincers portion, it is embedding that ballscrew shaft (8) inner end is set in braking
In body (6) in the central through hole of bore passages bottom surface and stretch out braking inlay (6) connected afterwards with electromagnetic clutch (4) other end,
Ballscrew shaft (8) outer end forms ball guide screw nat, ball-screw spiral shell through ball (10) and ball-screw nut (9) suit
Female (9) are fixedly connected by screw (11) with the inner end of piston (12), and piston (12) inner end is connected to braking through return spring (7)
The bottom surface of bore passages in inlay (6), piston (12) are sleeved in the bore passages of braking inlay (6) and move along bore passages
It is dynamic, the connection of piston (12) outer end rubbed (14,15) and brake disc (16).
2. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that:
The deceleration mechanism includes pinion gear (2) and gear wheel (3), and the output shaft and pinion gear (2) of motor (1) coaxially connect
It connects, pinion gear (2) and gear wheel (3) engage and form gear driving pair, and one end of gear wheel (3) and electromagnetic clutch (4) is coaxial
Connection.
3. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that:
The end that ballscrew shaft (8) inner end is stretched out after braking inlay (6) is equipped with circlip (5), will be rolled by circlip (5)
Ballscrew axis (8) end is limited in braking inlay (6) outer wall.
4. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that:
The piston (12) is socketed in the bore passages in braking inlay (6) through rectangular loop (13) sealing.
5. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that:
The brake disc (16) be arranged in piston (12) outer end and brake inlay (6) bore passages outside extend stretch out pincers portion it
Between, first friction plate of end face (14) of brake disc (16) is connected with piston (12) outer end face, the other end of brake disc (16)
The second friction plate of face (15) is connected with the pincers portion inner sidewall of braking inlay (6).
6. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that:
The return spring (7) is mounted between piston (12) and braking inlay (6).
7. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that:
The electromagnetic clutch includes the component of two rotary motions, respectively driving part and slave unit, electromagnetic clutch
The driving part of device is connected with gear wheel output shaft, and the slave unit of electromagnetic clutch is connected with ballscrew shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899623.0U CN208535036U (en) | 2018-06-11 | 2018-06-11 | A kind of electromagnetic-type electronic mechanical brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899623.0U CN208535036U (en) | 2018-06-11 | 2018-06-11 | A kind of electromagnetic-type electronic mechanical brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535036U true CN208535036U (en) | 2019-02-22 |
Family
ID=65382538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820899623.0U Active CN208535036U (en) | 2018-06-11 | 2018-06-11 | A kind of electromagnetic-type electronic mechanical brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535036U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799369A (en) * | 2018-06-11 | 2018-11-13 | 浙江亚太机电股份有限公司 | Electromagnetic-type electronic mechanical brake |
| CN110345182A (en) * | 2019-05-28 | 2019-10-18 | 中国北方车辆研究所 | A kind of holding brake device applied to In-wheel-motor driving vehicle |
| CN110848296A (en) * | 2019-11-20 | 2020-02-28 | 奇瑞汽车股份有限公司 | Electronic mechanical brake and automobile |
| CN111637176A (en) * | 2020-06-15 | 2020-09-08 | 苏州绿科智能机器人研究院有限公司 | Novel self-locking type electronic mechanical brake |
| CN113915266A (en) * | 2021-10-08 | 2022-01-11 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Electronic mechanical brake device and new energy automobile |
-
2018
- 2018-06-11 CN CN201820899623.0U patent/CN208535036U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799369A (en) * | 2018-06-11 | 2018-11-13 | 浙江亚太机电股份有限公司 | Electromagnetic-type electronic mechanical brake |
| CN110345182A (en) * | 2019-05-28 | 2019-10-18 | 中国北方车辆研究所 | A kind of holding brake device applied to In-wheel-motor driving vehicle |
| CN110345182B (en) * | 2019-05-28 | 2020-11-20 | 中国北方车辆研究所 | Parking braking device applied to electric wheel driven vehicle |
| CN110848296A (en) * | 2019-11-20 | 2020-02-28 | 奇瑞汽车股份有限公司 | Electronic mechanical brake and automobile |
| CN111637176A (en) * | 2020-06-15 | 2020-09-08 | 苏州绿科智能机器人研究院有限公司 | Novel self-locking type electronic mechanical brake |
| CN113915266A (en) * | 2021-10-08 | 2022-01-11 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Electronic mechanical brake device and new energy automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208535036U (en) | A kind of electromagnetic-type electronic mechanical brake | |
| CN102518716B (en) | Electric brake and automobile | |
| CN102518710B (en) | Semi energy storage type electromechanical brake and automobile | |
| CN104806669B (en) | A kind of vehicle electric brake actuator | |
| CN108105293A (en) | Brake actuator, brake system of car and electric vehicle | |
| CN108791264B (en) | Electromechanical brake | |
| CN108799369A (en) | Electromagnetic-type electronic mechanical brake | |
| US9835214B2 (en) | Electronic disc brake | |
| CN102506106A (en) | Electronic mechanical brake and automobile | |
| CN108263356B (en) | Brake, brake system and vehicle | |
| CN108105295A (en) | Brake actuator, brake system of car and electric vehicle | |
| CN108263357A (en) | Brake and braking system and vehicle | |
| CN102072270B (en) | Electric brake | |
| CN108105292A (en) | Brake actuator, brake system of car and electric vehicle | |
| CN106884913A (en) | A kind of electronic control type electrodynamic braking calipers assembly | |
| CN206668807U (en) | Brake | |
| CN109990018B (en) | Disc brake and vehicle with same | |
| CN204041784U (en) | Worm gear ball wedge disc type electric parking brake | |
| WO2019042308A1 (en) | Drum brake and vehicle | |
| CN209053996U (en) | A kind of electromechanical brake based on magnetic powder cluth | |
| CN103644217A (en) | Toggle-rod-boosted electromechanical brake | |
| CN107489713B (en) | A kind of electro-mechanical brake apparatus | |
| CN109305153A (en) | Electric vehicle with braking control system | |
| CN206458750U (en) | Brake gear and wheel motor drive axle | |
| CN201982553U (en) | Telescopic brake pad clutch in remote tool transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |