CN208348350U - Electric parking brake, speed changer and vehicle - Google Patents
Electric parking brake, speed changer and vehicle Download PDFInfo
- Publication number
- CN208348350U CN208348350U CN201820640407.4U CN201820640407U CN208348350U CN 208348350 U CN208348350 U CN 208348350U CN 201820640407 U CN201820640407 U CN 201820640407U CN 208348350 U CN208348350 U CN 208348350U
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- Prior art keywords
- screw rod
- electric parking
- parking brake
- middleware
- vehicle
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- 230000005540 biological transmission Effects 0.000 claims description 13
- 210000001331 Nose Anatomy 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 230000002950 deficient Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000000051 modifying Effects 0.000 description 1
- 230000000750 progressive Effects 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
Abstract
The utility model discloses a kind of electric parking brake, speed changer and vehicle, electric parking brake includes clamp, the first friction plate, the second friction plate and brake disc, further includes: guiding screw rod；The middleware being threadedly coupled with the guiding screw rod, the middleware can be driven to move axially when rotating for the guiding screw rod so that first friction plate is close to or far from the brake disc；Vidacare corp can drive the guiding screw rod to rotate；Manual driving device, it is mobile to the direction far from the brake disc that the manual driving device movement is able to drive the middleware.The structure design of the electric parking brake, which can efficiently solve special circumstances parking, to be automatically terminated, and there are problems that security risk.
Description
Technical field
The utility model relates to technical field of vehicle manufacture, more specifically to a kind of electric parking brake, speed change
Device and vehicle.
Background technique
In the prior art, the holding brake device of vehicle includes clamp, inner attrition piece, outside friction disc and brake disc, wherein
Inner attrition piece and outside friction disc are set on clamp, and inner attrition piece and outside friction disc are oppositely arranged.Brake disc is located at interior friction
Between piece and outside friction disc.Holding brake device generally uses rear-wheel disc brake with floating caliper, when needing parking, drives clamp
Upper inner attrition piece and outside friction disc clamp brake disc, realize braking, and driver gently steps on the gas and releases parking.When event occurs for controller
When barrier or the serious power shortage of battery, parking can not be released, and cause vehicle that can not move, there are security risks.
In conclusion how efficiently solving special circumstances parking can not automatically terminate, there are problems that security risk, be
Those skilled in the art's urgent problem at present.
Utility model content
In view of this, first of the utility model is designed to provide a kind of electric parking brake, the electronic parking
The structure design of brake, which can efficiently solve special circumstances parking, to be automatically terminated, and there are problems that security risk, this
Second purpose of utility model is to provide a kind of speed changer and vehicle including above-mentioned electric parking brake.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of electric parking brake, including clamp, the first friction plate, the second friction plate and brake disc, further includes:
It is oriented to screw rod；
The middleware being threadedly coupled with the guiding screw rod, the guiding screw rod can drive the middleware axis when rotating
To mobile so that first friction plate is close to or far from the brake disc；
Vidacare corp can drive the guiding screw rod to rotate；
Manual driving device, the manual driving device movement are able to drive the middleware to the separate brake disc
Direction is mobile.
It preferably, further include shell in above-mentioned electric parking brake, the guiding screw rod and the equal position of Vidacare corp
In in the shell.
Preferably, in above-mentioned electric parking brake, the manual driving device exposes to the shell, alternatively,
The manual driving device, which is located on the enclosure interior and the shell, offers operation through-hole.
Preferably, in above-mentioned electric parking brake, the manual driving device is to be able to drive the guiding screw rod to turn
Dynamic component.
Preferably, in above-mentioned electric parking brake, the Vidacare corp includes driving motor and transmission parts, institute
Transmission parts are stated for connecting the driving motor and the guiding screw rod.
Preferably, in above-mentioned electric parking brake, the transmission parts are gear set.
Preferably, in above-mentioned electric parking brake, the manual driving device is and the guiding screw rod or the tooth
The hexagonal spindle nose that the gear shaft of any gear is fixedly connected in wheel group.
A kind of vehicle, including the electric parking brake as described in any one of above-mentioned.
It preferably, further include being sensed with the pressure sensor of the controller of vehicle communication connection, the gradient in above-mentioned vehicle
Device and load transducer, the pressure sensor are used to detect the active force between the middleware and first friction plate；
The Slope Transducer is for detecting road grade；The load transducer is for detecting complete vehicle quality.
A kind of speed changer of vehicle, including derailleur body, further include the electronic parking system as described in any one of above-mentioned
Dynamic device, and the brake disc of the electric parking brake and the output shaft of the derailleur body are relatively fixed.
When using electric parking brake provided by the utility model, Vidacare corp can be used when needing parking
Driving guiding screw rod rotation, and then middleware along guiding screw rod axial movement so that middleware drive the first friction plate lean on
Nearly brake disc and and brake disc, and then parking is realized in clamp effect.When needing to release parking, if the battery electricity of vehicle
Amount is sufficient and without other special circumstances, and Vidacare corp driving guiding screw rod may be used and rotate backward, and then middleware edge
The reversed axial movement of guiding screw rod realize so that middleware drives the first friction plate to be gradually distance from brake disc and release parking；
When the discharged or defective battery of vehicle is along or there are other special circumstances, operator's manual operation keeps manual driving device dynamic
Make, and then manual driving device drives middleware mobile to the direction far from brake disc, so that middleware drives the first friction plate
Parking is released manually to realizing far from brake disc.In summary, when vehicle control device breaks down or the serious power shortage of battery,
Parking can be released manually, enabled the vehicle to move, avoided security risk.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of speed changer and vehicle, the speed changer and
Vehicle includes any of the above-described kind of electric parking brake.Since above-mentioned electric parking brake has above-mentioned technique effect, tool
The speed changer and vehicle for having the electric parking brake should also have corresponding technical effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional view of electric parking brake provided by the embodiment of the utility model.
In Fig. 1:
1- clamp, the second friction plate of 2-, 3- brake disc, the first friction plate of 4-, 5- piston, 6- guiding screw rod, 7- driving electricity
Machine, 8- shell, 9- motor gear, the first reduction gearing of 10-, the second reduction gearing of 11-, 12- hexagonal spindle nose, 13- output gear.
Specific embodiment
First of the utility model is designed to provide a kind of electric parking brake, the knot of the electric parking brake
Structure design, which can efficiently solve special circumstances parking, to be automatically terminated, and there are problems that security risk, the utility model
Second purpose is to provide a kind of speed changer and vehicle including above-mentioned electric parking brake.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", " left side " and " right side "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the position of indication or suggestion meaning or element must have particular orientation, with specific orientation structure
At and operation, therefore should not be understood as the limitation of the utility model.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
Referring to Fig. 1, electric parking brake provided by the embodiment of the utility model include clamp 1, the first friction plate 4,
Second friction plate 2 and brake disc 3, wherein the first friction plate 4 and the second friction plate 2 are arranged on clamp 1, and the first friction plate
4 and second friction plate 2 be oppositely arranged.Brake disc 3 drives the first friction plate between the first friction plate 4 and the second friction plate 2
4 with brake disc 3 close to brake disc 3 and when contacting, the linkages of clamp 1 effect make the second friction plate 2 also close to brake disc 3 and with system
Moving plate 3 contacts.
In addition, above-mentioned electric parking brake further includes guiding screw rod 6, middleware, Vidacare corp and manual actuation
Device.Wherein guiding screw rod 6 is threadedly coupled with middleware, and when guiding screw rod 6 is rotated relative to middleware, middleware is along guiding
The axial movement of screw rod 6, middleware are able to drive the first friction plate 4 during the axial movement along guiding screw rod 6 and move together
It is dynamic, and then realize that middleware drives the first friction plate 4 close to or far from brake disc 3.Vidacare corp can drive guide wire
Bar 6 rotates, to realize parking or release parking.In addition, manual driving device movement is able to drive middleware to far from brake disc 3
Direction it is mobile.I.e. operator manual operation act manual driving device, and then manual driving device drive middleware to
Direction far from brake disc 3 is mobile, and then middleware drives the first friction plate 4 mobile to the direction far from brake disc 3, to realize
First friction plate 4 is separated with brake disc 3, realizes manual contact parking.
When using electric parking brake provided by the utility model, Vidacare corp can be used when needing parking
Driving guiding screw rod 6 rotate, and then middleware along guiding screw rod 6 axial movement so that middleware drive the first friction plate 4
It contacts close to brake disc 3 and with brake disc 3, and then parking is realized in the effect of clamp 1.When needing to release parking, if the storage of vehicle
Battery capacity is sufficient and without other special circumstances, and Vidacare corp driving guiding screw rod 6 may be used and rotate backward, Jin Erzhong
Between part along guiding screw rod 6 reversed axial movement so that middleware drive the first friction plate 4 be gradually distance from brake disc 3, realize
Release parking；When the discharged or defective battery of vehicle is along or there are other special circumstances, operator's manual operation makes to drive manually
Dynamic device action, and then manual driving device drives middleware mobile to the direction far from brake disc 3, so that middleware drives the
One friction plate 4 realizes releasing parking manually to far from brake disc 3.In summary, when vehicle control device breaks down or battery
When serious power shortage, parking can be released manually, enabled the vehicle to move, avoided security risk.
It should be noted that the first friction plate 4 can be inner attrition piece, the second friction plate 2 can be outside friction disc；When
It so, can also be outside friction disc with the first friction plate 4, the second friction plate 2 can be inner attrition piece, be not limited thereto.
Further, above-mentioned electric parking brake can also include shell 8, be oriented to screw rod 6 and Vidacare corp is equal
In shell 8, the working performance of the impurity effects such as dust guiding screw rod 6 and Vidacare corp can be so prevented.
For ease of operation, manual driving device can expose to shell 8, and such operator drives on the outside of shell 8
Manual driving device movement.Alternatively, manual driving device is located inside shell 8, and it is logical that operation is offered on shell 8
Hole, the hand of such operator need guiding through operation through-hole and drive manual driving device to act again after extending into shell 8.
Certainly, manual driving device can also be located in the operation through-hole of shell 8, so save installation space, be convenient for
The layout of all parts.
In one embodiment, manual driving device can be the component for being able to drive guiding screw rod 6 and rotating, i.e., manually
Driving device acts and then drive is oriented to screw rod 6 and rotates, and guiding screw rod 6 and then driving intermediate member movement are realized and release parking.
Specifically, manual driving device can be the hexagonal spindle nose 12 being fixedly connected with guiding screw rod 6, i.e. operator passes through spanner and drives
Releasing parking can be realized in dynamic hexagonal spindle nose 12 and the guiding rotation of screw rod 6.Manual driving device may be the end for being oriented to screw rod 6
Releasing parking can be realized in the end rotation in portion, i.e. driving guiding screw rod 6, and the end of above-mentioned guiding screw rod 6 can stretch out shell 8
Or it is located in shell.
Certainly, manual driving device can be any component being fixedly connected with guiding screw rod 6, and operator drives and leads
The component rotation being fixedly connected to screw rod 6.Alternatively, the conduct of hexagonal prisms face can also be arranged on the outer wall of guiding screw rod 6
Manual driving device is not limited thereto.
In another embodiment, manual driving device can also be the component for being able to drive middleware rotation, so drive manually
Dynamic device rotates and then drives middleware rotation, along the axis of guiding screw rod 6 while middleware is rotated relative to guiding screw rod 6
To movement, realizes and release parking.In addition, manual driving device may be the pull rod being fixedly connected with middleware, pass through pulling
Pull rod drives middleware and the first friction plate 4 far from brake disc 3 in turn, realizes that the first friction plate 4 is separated with brake disc 3.It needs
Illustrate, before pulling pull rod, guiding screw rod 6 can be separated with Vidacare corp.
As shown in Figure 1, Vidacare corp includes driving motor 7 and transmission parts, transmission parts are for connecting driving electricity
Machine 7 and guiding screw rod 6.That is the output end of driving motor 7 is connect with transmission parts, the output end and guiding screw rod 6 of transmission parts
Connection, driving motor 7 drive guiding screw rod 6 to rotate by the transmission of transmission parts.
Further, transmission parts can be gear set.Gear set includes fixing sleeve on the output shaft of driving motor 7
Motor gear 9, the first reduction gearing 10 engaged with motor gear 9 are slowed down with the second of the coaxial arrangement of the first reduction gearing 10
Gear 11 and the output gear 13 engaged with the second reduction gearing 11.13 fixing sleeve of output gear is on guiding screw rod 6, output gear
Guiding screw rod 6 is driven to rotate synchronously while 13 rotation of wheel.The gear shaft of first reduction gearing 10 and the second reduction gearing 11
Both ends can be arranged on shell 8 by bearing.First reduction gearing 10 be coaxially disposed with the second reduction gearing 11 and it is synchronous turn
It is dynamic.
In above-described embodiment, manual driving device may be to be fixedly connected with the gear shaft of gear any in gear set
Hexagonal spindle nose 12.So band movable gear shaft rotates while driving hexagonal spindle nose 12 to rotate by spanner, and then with moving gear
Group and guiding screw rod 6 rotate, so that middleware moves axially and the first friction plate 4 is separated with brake disc 3, realize and release parking.
Certainly, manual driving device can also be the shifting block cooperated with gear any in gear set, be rotated by shifting block handsetting gear, into
And gear set and guiding screw rod 6 is driven to rotate, it realizes and releases parking.It is not limited thereto.
Certainly, Vidacare corp can also include telescoping cylinder and worm gear mechanism, and telescoping cylinder is flexible to drive worm screw to move
The rotation of dynamic and worm gear, and then worm gear drives guiding screw rod 6 to rotate.
In order to save power, middleware is the internal piston 5 with lightening hole.Certainly, middleware can also be other
Meaning structure, is not limited thereto.
The electric parking brake provided in based on the above embodiment, the utility model additionally provide a kind of vehicle, the vehicle
Include above-described embodiment in any one electric parking brake.It is stayed since the vehicle uses the electronics in above-described embodiment
Vehicle brake, so the beneficial effect of the vehicle please refers to above-described embodiment.
Further, above-mentioned vehicle can also include and the pressure sensor of the controller of vehicle communication connection, the gradient
Sensor and load transducer.The signal output end of pressure sensor, the signal output end of Slope Transducer and load transducer
Signal output end connect with controller and signal input part.Controller can also control the working condition of driving motor 7.Its
In, pressure sensor is used to detect the active force between middleware and the first friction plate 4；Slope Transducer is for detecting road slope
Degree；Load transducer is for detecting complete vehicle quality.
So set, can be according to active force, road grade and the complete vehicle quality between middleware and the first friction plate 4
The required brake force of parking is calculated, and then controller modulates driving motor 7 according to the required brake force being calculated
Working condition, prevent from braking hypodynamic happen during parking.
In addition, the utility model embodiment also provides a kind of speed changer of vehicle, the speed changer of above-mentioned vehicle includes speed change
Device ontology and electric parking brake, wherein the gear ratio between the engine and wheel of vehicle is adjusted by derailleur body,
Parking is realized by electric parking brake or releases parking.Focus on, the brake disc 3 and speed changer of electric parking brake
The output shaft of ontology is relatively fixed.I.e. using central parking type electric parking brake, the output of brake disc 3 and derailleur body
Axis is fixedly connected or is structure as a whole, and application position is derailleur body output shaft.So set, electronics than in the prior art
Parking brake braking rear axle is compared, and brake force needed for parking is small, and braking efficiency is higher.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of electric parking brake, including clamp (1), the first friction plate (4), the second friction plate (2) and brake disc (3),
It is characterized by further comprising:
It is oriented to screw rod (6)；
The middleware being threadedly coupled with guiding screw rod (6), the guiding screw rod (6) can drive the middleware when rotating
It moves axially so that first friction plate (4) is close to or far from the brake disc (3)；
Vidacare corp can drive the guiding screw rod (6) to rotate；
Manual driving device, the manual driving device movement are able to drive the middleware to separate the brake disc (3)
Direction is mobile.
2. electric parking brake according to claim 1, which is characterized in that further include shell (8), the guiding screw rod
(6) it is respectively positioned in the shell (8) with Vidacare corp.
3. electric parking brake according to claim 2, which is characterized in that the manual driving device exposes to described
Shell (8), alternatively,
The manual driving device, which is located on the shell (8) inside and the shell (8), offers operation through-hole.
4. electric parking brake according to claim 1, which is characterized in that the manual driving device is to be able to drive
The component of guiding screw rod (6) rotation.
5. electric parking brake according to claim 1, which is characterized in that the Vidacare corp includes driving electricity
Machine (7) and transmission parts, the transmission parts are for connecting the driving motor (7) and the guiding screw rod (6).
6. electric parking brake according to claim 5, which is characterized in that the transmission parts are gear set.
7. electric parking brake according to claim 6, which is characterized in that the manual driving device is to lead with described
The hexagonal spindle nose (12) that the gear shaft of any gear is fixedly connected into screw rod (6) or the gear set.
8. a kind of vehicle, which is characterized in that including electric parking brake such as of any of claims 1-7.
9. vehicle according to claim 8, which is characterized in that further include the pressure with the communication connection of the controller of the vehicle
Sensor, Slope Transducer and load transducer, the pressure sensor is for detecting the middleware and first friction
Active force between piece (4)；The Slope Transducer is for detecting road grade；The load transducer is for detecting vehicle matter
Amount.
10. a kind of speed changer of vehicle, including derailleur body, which is characterized in that further include such as any one of claim 1-7
The electric parking brake, and the output shaft of brake disc (3) and the derailleur body of the electric parking brake
It is relatively fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640407.4U CN208348350U (en) | 2018-04-28 | 2018-04-28 | Electric parking brake, speed changer and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640407.4U CN208348350U (en) | 2018-04-28 | 2018-04-28 | Electric parking brake, speed changer and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348350U true CN208348350U (en) | 2019-01-08 |
Family
ID=64888058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640407.4U Active CN208348350U (en) | 2018-04-28 | 2018-04-28 | Electric parking brake, speed changer and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855817A (en) * | 2019-11-28 | 2021-05-28 | 比亚迪股份有限公司 | Release device for parking brake system, parking brake system and vehicle |
-
2018
- 2018-04-28 CN CN201820640407.4U patent/CN208348350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855817A (en) * | 2019-11-28 | 2021-05-28 | 比亚迪股份有限公司 | Release device for parking brake system, parking brake system and vehicle |
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