CN208870954U - Brake auxiliary reset mechanism - Google Patents
Brake auxiliary reset mechanism Download PDFInfo
- Publication number
- CN208870954U CN208870954U CN201821317630.1U CN201821317630U CN208870954U CN 208870954 U CN208870954 U CN 208870954U CN 201821317630 U CN201821317630 U CN 201821317630U CN 208870954 U CN208870954 U CN 208870954U
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- China
- Prior art keywords
- auxiliary reset
- frictional disk
- clamp
- motor
- brake
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of brake auxiliary reset mechanisms, two friction plates are located on the relative position of frictional disk two sides, clamp pass through the piston being provided thereon and push caliper bracket, with movable friction plate along the radial motion of frictional disk, holding action is done to frictional disk, it is characterized in that caliper bracket is connect with one end of auxiliary reset axis, the other end of auxiliary reset axis is fixedly installed with auxiliary reset motor；The axial direction of auxiliary reset axis and auxiliary reset motor is each parallel to frictional disk axial direction；The motor shaft of auxiliary reset motor drives screw putter can be rotated, and nut, the threaded connection that screw putter is adapted to nut are fixed on clamp, and the telescopic direction of screw putter is that frictional disk is axial；Rangefinder is fixed on auxiliary reset motor.The beneficial effects of the utility model are: helping friction plate active homing by auxiliary reset structure, it is ensured that the gap released after braking between friction plate and frictional disk is sufficiently large, eliminates " dragging " phenomenon and thus bring other problems.
Description
Technical field
The utility model belongs to structure design of automobile field, specifically a kind of brake auxiliary reset mechanism.
Background technique
The arrestment mechanism of automobile, generally comprises pedal, pedal be under pressure or pressure signal after, by hydraulic system or
Signal transduction system applies pressure to the wheel cylinder being arranged on each wheel, and wheel cylinder pushes two brakings under the elastic force for overcoming elastic component
Block is clamped to centre, is generated moment of friction with intermediate brake disc, is formed brake force.When brake release, lift pedal, pressure or
Pressure signal disappears, and the elastic force of elastic component resets after pushing wheel cylinder that brake block is driven to separate with brake disc, and brake force disappears.China
Patent document CN204357990U was disclosed " a kind of disc brake with floating caliper " on May 27th, 2015, including braking clamp body, was led
To pin, vehicle bridge portion and brake disc, the braking clamp body is built-in equipped with oil inlet and the plunger shaft communicated with oil inlet, plunger shaft
It equipped with piston, is sealed between piston and braking clamp body by rubber seal, reset spring is also equipped in plunger shaft, it is multiple
Position spring is connected between the rear end of piston and braking clamp body, is connected with the first brake block in the front end of piston, with this
The second brake block is equipped at the opposite position of one brake block, the surface of first and second brake block is equipped with bloop.It should
Applicant declares, the utility model on brake block by being arranged bloop, the vibration that generates when automobile brake can be effectively reduced
And noise, it plays a protective role to brake block, and reset spring is connected between piston and braking clamp body, when brake release,
Piston may be implemented in the intracorporal self-return function of caliper by reset spring.In such traditional scheme, generally existing one
A problem.In the case where brake system is in completely new state, in braking, the sword side of the rubber rectangular ring in wheel cylinder slot is in piston
Micro flexible deformation is generated under the action of frictional force.When loosening braking, piston and brake block rely on the elastic force and bullet of sealing ring
The elastic force return of spring.Since rectangular seal sword side deflection is very small, when not braking, the gap between friction plate and disk is every
While there was only 0.1mm or so, it is sufficient to guarantee the releasing of braking.Even if brake disc expanded by heating, thickness only has micro variation, no
It is enough that brake disc and brake block is made to touch and " dragging " phenomenon occurs.Rubber rectangular ring is in addition to sealing, simultaneously also
Play the role of piston return and automatic regulating gap.In use for some time, the gap of the friction plate of brake block and disk is ground
Damage increases, and after sealed ring deformation reaches capacity when braking, piston may continue to move, until friction plate compresses brake disc.
After releasing braking, the distance that rubber rectangular ring pushes back piston is identical with before abrasion, still keeps standard value, but at this time
Piston is not reset to initial position completely, but protrudes outside initial position under the action of sealing ring, makes friction plate and disk
Between gap both be not enough to be completely separated, be easy to cause " dragging " phenomenon.If this situation for resetting deficiency is tighter
Again, heavy load sense can be generated when vehicle driving, oil consumption also can be increased significantly, and brake block and brake disc wear are excessive, part
Friction causes the braking effect cliff of displacement formula decline that high fever also results in brake disc, causes hidden trouble to traffic safety.
Summary of the invention
Based on problem above, the utility model provides a kind of brake auxiliary reset mechanism, by auxiliary reset structure come
Help friction plate active homing, it is ensured that the gap released after braking between friction plate and frictional disk is sufficiently large, and it is existing to eliminate " dragging "
As and thus bring other problems.
In order to realize goal of the invention, the utility model adopts the following technical solution: a kind of brake auxiliary reset mechanism, packet
Clamp and frictional disk are included, caliper bracket is mounted on clamp, and two friction plates are fixed with caliper bracket respectively, is located at frictional disk two sides
Relative position on, clamp pass through the piston that is provided thereon and push caliper bracket, with movable friction plate along the radial motion of frictional disk,
Holding action is done to frictional disk, characterized in that caliper bracket is connect with one end of auxiliary reset axis, the other end of auxiliary reset axis
It is fixedly installed with auxiliary reset motor；The axial direction of auxiliary reset axis and auxiliary reset motor is each parallel to frictional disk axial direction；Auxiliary
The motor shaft for resetting motor drives screw putter can be rotated, and nut, the screw thread that screw putter is adapted to nut are fixed on clamp
Connection, the telescopic direction of screw putter are that frictional disk is axial；Rangefinder is fixed on auxiliary reset motor.
The brake auxiliary reset mechanism of this programme design, devises one and auxiliary reset on traditional arrestment mechanism
Axis, one end of auxiliary reset axis are fixed therein in a caliper bracket, and the other end is equipped with an auxiliary reset motor.Auxiliary
It resets and is fixed with a rangefinder on the shell of motor, rangefinder can measure auxiliary reset motor to this side caliper bracket at any time
Between exact position, and signal is transferred to control centre.A screw putter is fixed on the motor shaft of auxiliary reset motor,
Screw putter can be driven to rotate.Nut is fixed on clamp, screw putter is connect with nut thread.When the electricity of auxiliary reset motor
When arbor drives screw putter rotation, screw putter is driven auxiliary reset motor and and stand-by motor by the active force of screw thread
The synchronous axial movement along frictional disk of the auxiliary reset axis that is fixed as one, caliper bracket.After brake release, caliper bracket band
Movable friction plate is resetted far from frictional disk, if resetted, distance is insufficient, and rangefinder can measure auxiliary reset motor away between clamp
Distance be less than standard value, at this time control centre driving auxiliary reset motor rotation, pass through the screw thread of screw putter and nut connect
It connecing, auxiliary reset motor side is pushed further to separate with clamp side, isolated distance is persistently monitored by rangefinder, until
Auxiliary reset motor reaches standard value away from the distance between clamp.Caliper bracket at this time is reset to home completely, friction
It is completely separated between piece and frictional disk, it is ensured that " dragging " phenomenon will not be generated.Due to using the precise measurement of rangefinder, band is gone back
Carry out an added benefit: when thickness is gradually worn out friction plate in use for some time, brakes at this time, caliper bracket can possess
Longer idle stroke when completely newer than friction plate.Idle stroke is longer, and the brake lag is longer, and braking distance is longer, required
Safe distance is longer.Therefore friction plate it is significant it is thinning after, braking distance is elongated, and a security risk is consequently formed.And this
Auxiliary reset motor is monitored in scheme using rangefinder to the exact position between this side clamp, if providing for simple replacement of into monitoring
Auxiliary reset motor is to the gap between frictional disk, so that it may provide compensation with auxiliary reset mechanism, which can be no longer
It is influenced by friction plate is thinning, to eliminate by the thinning bring security risk of friction plate.
Preferably, the position of opposite thread push rod end is provided with pressure block on the friction plate.Pressure block is mainly used
It is contacted to be formed with screw putter end, screw putter end generates pressure to pressure block, and pressure block is to screw putter end
Generate reaction force.
Preferably, being cased with sheath on the outside of the resetting shaft.Resetting shaft is connect auxiliary reset motor and clamp important
Structural member, typically, resetting shaft can pass through the hole of several structural members.It is necessary to be protected to resetting shaft, to avoid sandstone
The axial movement direction for blocking resetting shaft perhaps avoids resetting shaft from striking bending deformation or intensity decline of getting rusty by external force.And
These problems all may cause resetting shaft failure when pushing clamp to reset.
Preferably, the sheath is made of elastic material, it is scalable in the longitudinal direction.This design can make sheath
Preferably adapt to the flexible operating condition of resetting shaft.
In conclusion the beneficial effects of the utility model are: help friction plate active homing by auxiliary reset structure,
Gap between friction plate and frictional disk is sufficiently large after ensuring to release braking, eliminates " dragging " phenomenon and thus bring is other asks
Topic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 1EPB motor, 2 friction plates, 3 caliper brackets, 4 clamp, 5 auxiliary reset axis, 6 auxiliary reset motors, 7 rangings
Instrument, 8 nuts, 9 screw putters, 10 pressure blocks, 11 sheaths, 12 frictional disks.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment as shown in Figure 1 is a kind of brake auxiliary reset mechanism.
The brake auxiliary reset mechanism of this example, should have on the new-energy automobile in certain money based on electric energy.Including EPB electricity
Machine 1, clamp 4 and frictional disk 12.Two caliper brackets 3 are mounted on clamp, and two friction plates 2 are fixed with clamp respectively, are located at friction
On the relative position of disk two sides, clamp pass through the piston being provided thereon and push caliper bracket, with movable friction plate along the diameter of frictional disk
To movement, holding action is done to frictional disk.Caliper bracket is connect with the right-hand end of auxiliary reset axis 5, the left side of auxiliary reset axis
End is fixedly installed with auxiliary reset motor 6；The axial direction of auxiliary reset axis and auxiliary reset motor is each parallel to frictional disk axial direction.It is auxiliary
It helps the motor shaft for resetting motor that screw putter 9 is driven to can be rotated, nut 8 is fixed on clamp, screw putter is adapted to nut
It is threadedly coupled, the telescopic direction of screw putter is that frictional disk is axial；Rangefinder 7 is fixed on auxiliary reset motor.On friction plate
The position of opposite thread push rod end is provided with pressure block 10.It is cased with sheath 11 on the outside of resetting shaft, sheath is made of rubber, at it
The circumferentially-spaced groove convex ribs for being equipped with a circle circle, keep it scalable in the longitudinal direction.
The brake auxiliary reset mechanism of this example, the course of work are as follows:
For vehicle in normal brake application, rangefinder monitors the distance of auxiliary reset motor to clamp, obtains minimum range number
According to L.
After vehicle braking releases, rangefinder show that auxiliary reset motor is reset under the promotion of included elastic element at this time
The distance L1 of clamp.
It is substituted into empirical parameter 0.2mm and its positive and negative deviation value 0.1mm,
If there is L1 >=L+(0.2 ± 0.1), then control centre is judged as that gap is normal, torque is dragged in range, this
Mechanism does not work.
If there is L+(0.2 ± 0.1 L1 <), then control centre is judged as that gap is too small, the auxiliary of control centre's driving at this time
Motor rotation is resetted, by the threaded connection of screw putter and nut, pushes auxiliary reset motor side and clamp side into one
Step separation, isolated distance is persistently monitored by rangefinder, until auxiliary reset motor reaches standard away from the distance between clamp
Value.Caliper bracket at this time is reset to home completely, is completely separated between friction plate and frictional disk, it is ensured that will not generate
" dragging " phenomenon.
Claims (4)
1. a kind of brake auxiliary reset mechanism, including clamp (4) and frictional disk (12), caliper bracket (3) are mounted on clamp,
Two friction plates (2) are fixed with caliper bracket respectively, and on the relative position of frictional disk two sides, clamp pass through the work being provided thereon
Plug pushes caliper bracket to do holding action to frictional disk, characterized in that clamp with movable friction plate along the radial motion of frictional disk
Bracket is connect with the one end of auxiliary reset axis (5), and the other end of auxiliary reset axis is fixedly installed with auxiliary reset motor (6)；It is auxiliary
Help the axial direction of resetting shaft and auxiliary reset motor each parallel to frictional disk axial direction；The motor shaft of auxiliary reset motor drives screw thread to push away
Bar (9) can be rotated, and be fixed on clamp nut (8), the threaded connection that screw putter is adapted to nut, the flexible side of screw putter
To for frictional disk axial direction；Rangefinder (7) are fixed on auxiliary reset motor.
2. a kind of brake auxiliary reset mechanism according to claim 1, characterized in that opposite thread on the friction plate
The position of push rod end is provided with pressure block (10).
3. a kind of brake auxiliary reset mechanism according to claim 1 or 2, characterized in that the resetting shaft outer sheath
There are sheath (11).
4. a kind of brake auxiliary reset mechanism according to claim 3, characterized in that the sheath is elastic material system
At scalable in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317630.1U CN208870954U (en) | 2018-08-15 | 2018-08-15 | Brake auxiliary reset mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317630.1U CN208870954U (en) | 2018-08-15 | 2018-08-15 | Brake auxiliary reset mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208870954U true CN208870954U (en) | 2019-05-17 |
Family
ID=66464808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821317630.1U Withdrawn - After Issue CN208870954U (en) | 2018-08-15 | 2018-08-15 | Brake auxiliary reset mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208870954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953431A (en) * | 2018-08-15 | 2018-12-07 | 浙江零跑科技有限公司 | brake auxiliary reset mechanism |
-
2018
- 2018-08-15 CN CN201821317630.1U patent/CN208870954U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953431A (en) * | 2018-08-15 | 2018-12-07 | 浙江零跑科技有限公司 | brake auxiliary reset mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190517 Effective date of abandoning: 20230801 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190517 Effective date of abandoning: 20230801 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |