CN106641028A - Electric brake with fast braking function - Google Patents
Electric brake with fast braking function Download PDFInfo
- Publication number
- CN106641028A CN106641028A CN201611090774.3A CN201611090774A CN106641028A CN 106641028 A CN106641028 A CN 106641028A CN 201611090774 A CN201611090774 A CN 201611090774A CN 106641028 A CN106641028 A CN 106641028A
- Authority
- CN
- China
- Prior art keywords
- movable block
- friction plate
- hole
- pull bar
- bar
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/66—Wedges
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the field of automotive brake systems and particularly discloses an electric brake with a fast braking function. The electric brake comprises an executing mechanism and a braking disc. A first frictional sheet is arranged in the bottom of the executing mechanism, the other end of a first mobile block is fixedly connected to the first frictional sheet, the executing mechanism further comprises a second mobile block, a second frictional sheet is arranged below a brake disc, two bevels are separately arranged on the first mobile block and the second mobile block, and a wedge block leaning against the bevels of the first mobile block and the second mobile block to move sleeves a rotating rod. According to the scheme, when the first frictional sheet and the second friction sheet jointly draw close to act on the braking disc, a relatively large braking force is generated, so that fast braking can be realized.
Description
Technical field
The present invention relates to a kind of brake system of car field, particularly a kind of electric brake with fast braking function.
Background technology
At present, both at home and abroad most automobile-used brakes is also based on hydraulic control mechanical pressure and makes friction plate near brake disc
To reach the purpose of braking.Hydraulic brake system has a good linearity, the high advantage of stability, and can be with the electricity such as ABS, EPS
Sub- accessory system matches, and is a kind of very ripe technology type, but, hydraulic brake system brake reaction time is long, braking
Distance, hydraulic oil pipe installs loaded down with trivial details, easy leakage, and volume is larger, is unfavorable for the installation settings on car load.
For this purpose, Chinese invention patent CN201210251519.8 provides a kind of electric brake, including movable friction plate and quiet
Friction plate, described kinematics and static friction piece is arranged on the both sides of brake disc, and movable friction plate is fixed in executing agency, and described holds
Row mechanism connects motor, executing agency drive movable friction plate away from or near brake disc.
This scheme operationally, using motor power is provided, and movable friction plate to recline realize on the disc brake rotor and brakes, dynamic to rub
Pad, without the need for loaded down with trivial details hydraulic system, can simplify structure away from braking is released during brake disc, reduce brake volume, it is to avoid
A series of problems, such as hydraulic-driven causes leakage, it is adapted to car load installation.But there is following defect in this invention：Only lean on movable friction plate
Braking is realized near brake disc so that the response speed of automobile brake is slower, so as to be unable to fast braking.
The content of the invention
The invention is intended to provide a kind of electric brake of achievable fast braking.
A kind of electric brake with fast braking function in this programme, including executing agency, motor and brake disc,
Executing agency connects motor, and actuator bottom is provided with and may be located remotely from or near the first friction plate of brake disc, performs machine
Structure includes housing and mobilizable first movable block, and motor is fixed on the outer wall of housing, and housing is provided with rotating bar, rotates
Bar is connected with motor, and one end of the first movable block is located in housing, and affixed first friction plate of the other end of the first movable block is held
Row mechanism also include mobilizable second movable block, the second movable block located at housing top, brake disc lower section be provided with can away from or
Be proximate to the second friction plate of brake disc, the second movable block is provided with screw rod, screw rod connects the second friction plate, the first movable block and
Two inclined-planes are respectively provided with second movable block, and two inclined-planes are in mirror image, two ends are arranged with rotating bar and are supported respectively
Lean against the first movable block and the second movable block inclined-plane and moveable wedge.
The operation principle of this programme：When motor is rotated forward, drive rotating bar to rotate forward, and then promote wedge the
Move towards simultaneously on two inclined-planes of one movable block and the second movable block, wedge makes the first movable block during moving towards
The one end on inclined-plane is extruded and moves down, and then moves down the first friction plate for being fixed in the first movable block other end, from
And the first friction plate is driven near brake disc, meanwhile, wedge makes the one end on the second movable block inclined-plane during moving towards
It is extruded and moves up, and then drive the second friction plate of screw rod connection up to move, so as to drives the second friction plate near system
Moving plate, the first friction plate and the second friction plate near brake disc, produce larger brake force simultaneously, so as to Rapid Implementation braking.
When motor is inverted, drive rotating bar to rotate backward, and then promote wedge to move in the first movable block and second
Dorsad move simultaneously on two inclined-planes of motion block, wedge is extruded the one end on the first movable block inclined-plane during dorsad moving
Move up, and then move up the first friction plate for being fixed in the first movable block other end, so as to drive the first friction plate
Away from brake disc, braking is eliminated, meanwhile, wedge during dorsad moving is extruded the one end on the second movable block inclined-plane
Move down, and then drive the second friction plate of screw rod connection to move down, so as to drive the second friction plate away from brake disc.
The effect of this programme：First friction plate is promoted near braking under the driving of executing agency by the first movable block
Disk, meanwhile, the second movable block drives the second friction plate that screw rod connects near brake disc under the driving of executing agency, first
Friction plate and the second friction plate are jointly near when acting on brake disc, and brake force is larger, are capable of achieving fast braking.
Further, screw rod is threaded connection the second movable block and the second friction plate.Second movable block is provided with movable block
Internal thread hole, the second friction plate is provided with friction plate internal thread hole, and screw rod two ends are provided with external screw thread, and screw rod is matched somebody with somebody by internal and external threads
The second movable block of connection and the second friction plate are closed, fast the second movement, screw rod and the second friction plate shape can be made integral, second moves
When motion block is moved, by screw rod the second friction plate can be driven to move with the second movable block.
Further, be installed with pull bar on the first movable block, the axis of pull bar perpendicular to rotating bar bar length direction, on pull bar
It is provided with the rotation hole passed through for rotating bar.Pull bar can be moved along the axis direction of pull bar, and can together be moved with the first movable block
Dynamic, pull bar can provide enough rotation spaces to rotating bar, while also providing support for rotating bar, can be prevented effectively from rotating bar and exist
The scene that middle part bends after Long-Time Service, extends the service life of rotating bar.
Further, the second movable block is provided with the hole passed through for pull bar, and pull bar stretches out the diameter of the part of the second movable block
More than the diameter in hole.When pull bar is moved in hole, can prevent pull bar from falling down from the second movable block, pull bar and hole rotate
Bar is constituted with rotation hole and is slidably matched so that brake is an overall structure.
Further, hole is shoulder hole, and pull bar is provided with nut through the end behind hole, and nut is provided with compression spring, pressure
Contracting spring one end is fixed on the cascaded surface in hole.
During braking, the side shifting that the first movable block is located towards brake disc, and then pull bar moves, and then nut
Move, while the second movable block is moved up along pull bar, compression spring is subject to the first movable block and the second movable block simultaneously
The mobile active force for producing, is deformed compression spring；After brake release, the first movable block is in compression spring restoring force
Effect is lower quickly away from brake disc, and then drives the first friction plate to be also rapidly directed away from brake disc, effectively improves answering for friction plate
Bit rate, so as to improve the sensitivity of brake, while the second movable block also return.
Further, wedge is located at the both sides of pull bar, the inclined plane of wedge both sides with the inclined-plane of respective side movable block
Slope coincide.And then wedge can be made quickly to move, improve the braking accuracy of brake.
Further, the shaft of rotating bar is provided with two sections of contrary screw threads of rotation, and contrary screwed hole is provided with wedge,
Wedge is set in the screw thread of corresponding side in rotating bar and constitutes screw thread cooperation, and wedge is located at the both sides of pull bar.When
When motor drives rotating bar to rotate, the wedge of pull bar both sides can be made opposite or dorsad moved.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Housing 1, motor 2, the second movable block 3, rotating bar 4, the first movable block 5,
Wedge 6, pull bar 7, hole 8, nut 9, compression spring 10, the first friction plate 11, brake disc 12, screw rod 13, the second friction plate 14.
Embodiment is substantially as shown in Figure 1：A kind of electric brake with fast braking function, including executing agency, electricity
Motivation 2 and brake disc 12, executing agency's connection motor 2, executing agency includes housing 1, and it is right that motor 2 is fixed on housing 1
Side, is provided with the second movable block 3 inside housing 1, the second movable block 3 simultaneously extends on housing 1, second inside housing 1
Movable block 3 is provided with two inclined planes, and two inclined planes are in specular；The both sides of housing 1 are provided with through hole, and housing 1 sets between both sides
There is rotating bar 4, rotating bar 4 passes through through hole, rotating bar 4 to be connected with motor 2；The first movable block is provided between the both sides of shell inner bottom part
5, the upper end of the first movable block 5 is provided with two inclined planes, and two inclined planes are in specular, and on the first movable block 5 drawing is connected with
Bar 7, perpendicular to the bar length direction of rotating bar 4, and pull bar 7 is provided with the rotation hole passed through for rotating bar 4, turns for the axis of pull bar 7
Dynamic hole has enough space offer rotating bars 4 to rotate, and the second movable block 3 is provided with the hole 8 passed through for pull bar 7, and pull bar 7 passes through hole
Hang after 8 on the second movable block 3, hole 8 is stairstepping, the path in hole 8 coincide with the diameter of pull bar 7, pull bar 7 extended second
Movable block 3, pull bar 7 stretches out the diameter with diameter greater than hole 8 of the second movable block 3, prevents pull bar 7 in hole 8 during motion, from second
Drop on movement is fast, pull bar 7 hangs the first movable block 5 on the second movable block 3；Pull bar 7 is provided with through the end behind hole
Nut 9, one end of compression spring 10 is fixed in nut 9, and the other end is fixed on the cascaded surface in hole 8, rotating bar 4 and rotation hole, draws
Bar 7 is constituted with hole 8 and is slidably matched；Two wedges 6 are arranged with rotating bar 4, two wedges 6 are located at the both sides of pull bar 7, turn
Lever 4 is provided with two sections of contrary screw threads, and in two wedges 6 contrary screwed hole is provided with, and wedge 6 is set in rotating bar
The screw thread of corresponding side constitutes screw thread and coordinates on 4, wedge 6 can be allow to move in opposite directions or dorsad when mobile, two wedges
The both sides up and down of shape block 6 can be resisted against on the inclined-plane of the first movable block 5 and the second movable block 3 and move.
The bottom of first movable block 5 is connected with the first friction plate 11, and brake disc 12 is located at the lower section of the first friction plate 11, braking
The lower section of disk 12 is provided with the second friction plate 14, and the left end of the second friction plate 14 is provided with friction plate screwed hole, stretches out the second of the left side of housing 1
Movable block 3 is provided with movable block screwed hole, and the second movable block 3 is threadedly coupled with the second friction plate 14 by screw rod 13.
During work, motor 2 is rotated forward, and drives rotating bar 4 to rotate forward, and then the wedge 6 of the both sides of pull bar 7 is in the first movable block
5 and second movable block 3 inclined-plane on move towards, while extrude the first movable block 5 and the second movable block 3 moving, the first movement
Block 5 is moved down, and then pull bar 7 is moved down therewith, and then nut 9 is also moved down, and compression spring 10 is deformed,
First movable block 5 drives the first friction plate 11 near brake disc 12 during moving down, meanwhile, the second movable block 3 is along pull bar 7
Drive the second friction plate 14 close to brake disc 12 by screw rod 13 when moving up, the first friction plate 11 and the second friction plate 14
Simultaneously near brake disc 12, larger brake force is produced, so as to Rapid Implementation braking；
Motor 2 is inverted, and drives rotating bar 4 to invert, and then the wedge 6 of the both sides of pull bar 7 is in the first movable block 5 and the second movement
Dorsad move on the inclined-plane of block 3, while the first movable block 5 of extruding and the second movable block 3 are moved, the first movable block 5 is moved up,
In addition the first movable block 5 is quick away from brake disc 12 in the presence of the restoring force of compression spring 10, and then drives first to rub
Piece 11 quickly away from brake disc 12, only and when the first friction plate 11 is away from brake disc 12, so that it may eliminate braking；While second
Movable block 3 is also moved down along pull bar 7, and then drive screw 13 drives the second friction plate 14 also away from brake disc 12.
Above-described is only embodiments of the invention, and the general knowledge here such as known concrete structure and characteristic is not made in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the impact present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (7)
1. a kind of electric brake with fast braking function, including executing agency, motor and brake disc, executing agency's connection
Motor, actuator bottom be provided with may be located remotely from or near brake disc the first friction plate, executing agency include housing and
Mobilizable first movable block, motor is fixed on the outer wall of housing, and housing is provided with rotating bar, and rotating bar connects with motor
Connect, one end of the first movable block is located in housing, affixed first friction plate of the other end of the first movable block, it is characterised in that hold
Row mechanism also include mobilizable second movable block, the second movable block located at housing top, brake disc lower section be provided with can away from or
Be proximate to the second friction plate of brake disc, the second movable block is provided with screw rod, screw rod connects the second friction plate, the first movable block and
Two inclined-planes are respectively provided with second movable block, and two inclined-planes are in mirror image, two ends are arranged with rotating bar and are supported respectively
Lean against the first movable block and the second movable block inclined-plane and moveable wedge.
2. a kind of electric brake with fast braking function according to claim 1, it is characterised in that：Screw rod passes through spiral shell
Line connects the second movable block and the second friction plate.
3. a kind of electric brake with fast braking function according to claim 1, it is characterised in that：First movable block
On be installed with pull bar, perpendicular to the bar length direction of rotating bar, and pull bar is provided with the rotation passed through for rotating bar for the axis of pull bar
Hole.
4. a kind of electric brake with fast braking function according to claim 3, it is characterised in that：Second movable block
The hole passed through for pull bar is provided with, pull bar stretches out the diameter with diameter greater than hole of the part of the second movable block.
5. a kind of electric brake with fast braking function according to claim 4, it is characterised in that：Hole is ladder
Hole, pull bar is provided with nut through the end behind hole, and nut is provided with compression spring, and compression spring one end is fixed on the ladder in hole
On face.
6. a kind of electric brake with fast braking function according to claim 1, it is characterised in that：Wedge both sides
Inclined plane coincide with the slope on the inclined-plane of respective side movable block.
7. a kind of electric brake with fast braking function according to claim 1, it is characterised in that：The bar of rotating bar
Be provided with two sections with it and rotate contrary screw threads, be provided with contrary screwed hole in wedge, wedge be set in rotating bar with
The screw thread of its respective side constitutes screw thread and coordinates, and wedge is located at the both sides of pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090774.3A CN106641028A (en) | 2016-12-01 | 2016-12-01 | Electric brake with fast braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090774.3A CN106641028A (en) | 2016-12-01 | 2016-12-01 | Electric brake with fast braking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641028A true CN106641028A (en) | 2017-05-10 |
Family
ID=58814711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611090774.3A Pending CN106641028A (en) | 2016-12-01 | 2016-12-01 | Electric brake with fast braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641028A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040178027A1 (en) * | 2002-05-06 | 2004-09-16 | Ford Global Technologies, Inc. | Method and an assembly for braking a selectively moveable assembly having a controllably varying amount of self energization |
| US20080190717A1 (en) * | 2003-12-05 | 2008-08-14 | Dietmar Baumann | Self-Boosting Electromechanical Vehicle Brake |
| CN101868646A (en) * | 2007-11-21 | 2010-10-20 | 罗伯特.博世有限公司 | Electromechanical friction brake |
| CN102758868A (en) * | 2012-07-18 | 2012-10-31 | 奇瑞汽车股份有限公司 | Electric brake |
-
2016
- 2016-12-01 CN CN201611090774.3A patent/CN106641028A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040178027A1 (en) * | 2002-05-06 | 2004-09-16 | Ford Global Technologies, Inc. | Method and an assembly for braking a selectively moveable assembly having a controllably varying amount of self energization |
| US20080190717A1 (en) * | 2003-12-05 | 2008-08-14 | Dietmar Baumann | Self-Boosting Electromechanical Vehicle Brake |
| CN101868646A (en) * | 2007-11-21 | 2010-10-20 | 罗伯特.博世有限公司 | Electromechanical friction brake |
| CN102758868A (en) * | 2012-07-18 | 2012-10-31 | 奇瑞汽车股份有限公司 | Electric brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |