CN107738636A - A kind of parking braking system and the automobile comprising the parking braking system - Google Patents
A kind of parking braking system and the automobile comprising the parking braking system Download PDFInfo
- Publication number
- CN107738636A CN107738636A CN201711017426.8A CN201711017426A CN107738636A CN 107738636 A CN107738636 A CN 107738636A CN 201711017426 A CN201711017426 A CN 201711017426A CN 107738636 A CN107738636 A CN 107738636A
- Authority
- CN
- China
- Prior art keywords
- rack
- parking braking
- return
- gear wheel
- braking system
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
- B60T7/10—Disposition of hand control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/04—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
Abstract
The invention provides a kind of parking braking system, it includes EPB, parking braking control handle, it also includes the transmission mechanism being arranged between EPB and parking braking control handle, transmission mechanism includes the first wire drawing, the first rack, little gear, gear wheel, the second rack and the second wire drawing, and the both ends of the first wire drawing are connected with parking braking control handle and the first rack respectively；The installation axle of gear wheel and the installation axle of little gear be arranged in parallel；The tip diameter of gear wheel is more than the tip diameter of little gear；Little gear is arranged between the first rack and gear wheel, and the side of little gear is engaged with the first rack, and the opposite side of little gear engages with gear wheel；The both ends of second wire drawing are connected with EPB and the second rack respectively, and the second rack is used to engage with gear wheel；Gear wheel and the gearratio of little gear are more than 1.The parking braking system of the present invention, can greatly improve parking brake force.Present invention also offers a kind of automobile.
Description
Technical field
The present invention relates to brake system of car technical field, and in particular to a kind of parking braking system and a kind of automobile.
Background technology
Parking braking system can realize the parking and Rapid reversal parking of vehicle, additionally it is possible to realize dynamic parking.It is existing
Parking braking system generally include parking braking control handle, EPB and for connecting parking braking control handle
With the park brake operation wire drawing of EPB, its when in use, driver is by manipulating parking braking control handle so that
Pulling force manipulates wire drawing via parking braking and is transferred to EPB so that EPB works to realize the parking of vehicle.
However, in existing parking braking system parking brake force regulation, only can by adjust parking braking manipulate hand
The lever ratio of handle is realized, but lever ratio is generally 4 to 4.5, and what it can be adjusted is limited in scope, therefore, how to design one kind and stay
Car brakes, further to improve parking brake force, turn into the technical problem that those skilled in the art are badly in need of solving.
The content of the invention
It is an object of the invention to provide a kind of parking braking system, to solve the problems of the prior art, further improves
Parking brake force.It is a further object of the present invention to provide a kind of automobile.
To achieve the above object, the invention provides following technical scheme：
A kind of parking braking system, it includes EPB, parking braking control handle, and it is also described including being arranged on
Transmission mechanism between EPB and the parking braking control handle, the transmission mechanism include the first wire drawing, first
Rack, little gear, gear wheel, the second rack and the second wire drawing, one end and the parking braking of first wire drawing manipulate
Handle is connected, and the other end of first wire drawing is connected with one end of first rack；The installation axle of the gear wheel and institute
The installation axle for stating little gear be arranged in parallel；The tip diameter of the gear wheel is more than the tip diameter of the little gear；Institute
State little gear to be arranged between first rack and the gear wheel, the side of the little gear is nibbled with first rack
Close, the opposite side of the little gear engages with the gear wheel；One end of second wire drawing is connected with the EPB,
The other end of second wire drawing is connected with second rack, and second rack is used to engage with the gear wheel；It is described
Gear wheel and the gearratio of the little gear are more than 1.
Preferably, it also includes the first return mechanism, and first return mechanism can drive the gear wheel to operate, with
Drive the EPB return.
Preferably, it also includes the second return mechanism, and second return mechanism can drive the little gear to operate, with
Drive the EPB return.
Preferably, first return mechanism includes return rack, return spring, one end of the return spring and vehicle body
It is connected, the other end of the return spring is connected with the return rack, and the return rack on the gear wheel with deviating from institute
State the side engagement of the second rack.
Preferably, the gear wheel and the gearratio of the little gear are between 1.25 to 1.5.
A kind of automobile, it includes parking braking system, and the parking braking system is the parking system described in any of the above-described
Dynamic system.
The beneficial effects of the present invention are：
The parking braking system of the present invention, first is disposed between its parking braking control handle and EPB
Wire drawing, the first rack, little gear, gear wheel, the second rack and the second wire drawing, to realize parking braking control handle and parking
The connection of brake, meanwhile, the gearratio of its gear wheel and little gear is more than 1, so in parking, it becomes possible to will come from parking
EPB is passed to after the moment amplification of braking maneuver handle, so as to greatly increase parking brake force.
The automobile of the present invention includes above-mentioned parking braking system, because above-mentioned parking braking system has above-mentioned beneficial effect
Fruit, the automobile comprising above-mentioned parking braking system should also have correspondingly beneficial effect.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, and the specific embodiment of the present invention will be made further specifically with reference to accompanying drawing
It is bright, wherein
Fig. 1 is the schematic diagram of parking braking system provided in an embodiment of the present invention.
Marked in accompanying drawing：
11st, parking braking control handle 12, EPB 13, vehicle body 21, the first wire drawing 22, the first rack
23rd, little gear 24, gear wheel 25, the second rack
26th, the second wire drawing 31, return rack 32, return spring
Embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with specific embodiment pair
This programme is further discussed in detail.
As shown in figure 1, the embodiments of the invention provide a kind of parking braking system, it includes EPB 12, parking
Braking maneuver handle 11, it also includes the transmission mechanism being arranged between EPB 12 and parking braking control handle 11,
Transmission mechanism includes the first wire drawing 21, the first rack 22, little gear 23, gear wheel 24, the second rack 25 and the second wire drawing 26,
Wherein, one end of the first wire drawing 21 is connected with parking braking control handle 11, the other end of the first wire drawing 21 and the first rack 22
One end be connected；The installation axle of the installation axle of gear wheel 24 and little gear 23 be arranged in parallel；The tip diameter of gear wheel 24 is big
In the tip diameter of little gear 23；Little gear 23 is arranged between the first rack 22 and gear wheel 24, the side of little gear 23
Engaged with the first rack 22, the opposite side of little gear 23 engages with gear wheel 24；One end of second wire drawing 26 and EPB
12 are connected, and the other end of the second wire drawing 26 is connected with the second rack 25, and the second rack 25 is used to engage with gear wheel 24；Gear wheel
24 are more than 1 with the gearratio of little gear 23.It is understood that the tooth top that tip diameter is the circumferentially upper each tooth of gear surrounds
Diameter of a circle.
Parking braking system provided in an embodiment of the present invention, between its parking braking control handle 11 and EPB 12
The first wire drawing 21, the first rack 22, little gear 23, gear wheel 24, the second rack 25 and the second wire drawing 16 are disposed with, is come
The connection of parking braking control handle 11 and EPB 12 is realized, meanwhile, its gear wheel 24 and the gearratio of little gear 23
More than 1, so in parking, it becomes possible to EPB will be passed to after the moment amplification from parking braking control handle 11
12, so as to greatly increase parking brake force.
Further, parking braking system provided in an embodiment of the present invention can also include the first return mechanism, first time
Position mechanism can drive gear wheel 24 to operate, to drive the return of EPB 12, so as to by the setting of the first return mechanism,
Can carry out power-assisted to the return of EPB 12 when releasing parking so that EPB 12 can returning quickly, from
And it is caused to release the performance of parking braking and obtained greatly improving.
In another embodiment provided by the invention, the parking braking system can also include the second return mechanism, and second
Return mechanism can drive little gear 23 to operate, and to drive the return of EPB 12, similarly, it can also realize parking system
The returning quickly of dynamic device 12.It is understood that parking braking system can include the first return mechanism and the second return mechanism,
Make it that the return of EPB 12 is more rapid；Certainly, parking braking system can also only include the first return mechanism and
One in second return mechanism, to avoid redundancy, while it can also prevent in return, the first return mechanism and the second return
The active force of mechanism interferes and the return efficiency of EPB 12 is reduced；The structure of first return mechanism can
With identical with the structure of the second return mechanism, both can also differ.
Further, the first return mechanism can include return rack 31, return spring 32, one end of return spring 32 with
Vehicle body 13 is connected, and the other end of return spring 32 is connected with return rack 31, and return rack 31 is with deviating from second on gear wheel 24
The side engagement of rack 25.By this technical scheme, cooperation and return spring 32 using return rack 31 and gear wheel 24
Restoring force after deformation, autoamtic boosting can be carried out to the return of EPB 12, so that EPB 12 returns
Position is more rapid.
Specifically, gear wheel 24 and the gearratio of little gear 23 are stayed between 1.25 to 1.5 so as to preferably improve
The brake force of car brakes, while the stroke of the parking braking control handle 11 because caused by gearratio is excessive can also be avoided
Increase, avoids that the pull-up of parking braking control handle 11 is too high, caused automobile it is operational poor the problem of.
The general work process of parking braking system provided in an embodiment of the present invention is：When needing parking, driver behaviour
Vertical parking braking control handle 11, parking braking control handle 11 will pull the first wire drawing 21 to move, due to the first wire drawing 21
It is connected with the first rack 22 so that the first rack 22 followed by the first wire drawing 21 and move, and drive what is engaged with the first rack 22
Little gear 23 rotates；Because gear wheel 24 is meshed with little gear 23, little gear 23 will also drive gear wheel 24 to rotate, gear wheel
24 the second racks 25 of drive move, and the second rack 25 pulls the second wire drawing 26 also to move, and final second wire drawing 26 acts on parking
On brake 12, parking is realized；Simultaneously as gear wheel 24 is also meshed with return rack 31, gear wheel 24 will drive return
Rack 31 moves, and the return spring 32 for be connected with return rack 31 deforms.When releasing parking braking, manipulate
The return of parking braking control handle 11, while the return spring 32 to deform can recover deformation rapidly, and pull return rack
31 returns, and drive gear wheel 24 to rotate by return rack 31, the second rack 25 also moves with gear wheel 24, and drives second
Wire drawing 26 is moved, and finally produces power-assisted to the return of EPB 12 so that EPB 12 being capable of rapid return.
The embodiments of the invention provide a kind of automobile, and it includes parking braking system, and the parking braking system is above-mentioned
Parking braking system described by one technical scheme, because above-mentioned parking braking system has above-mentioned technique effect, comprising above-mentioned
The automobile of parking braking system should also have correspondingly technique effect.
It the above is only the preferred embodiment of the present invention, it should be pointed out that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention, moreover, after present disclosure has been read, relevant technical staff in the field can be with
Various changes or modification are made to the present invention, these equivalent form of values equally fall into the model that the application appended claims are limited
Enclose.
Claims (6)
1. a kind of parking braking system, it includes EPB, parking braking control handle, it is characterised in that it also includes
The transmission mechanism being arranged between the EPB and the parking braking control handle, the transmission mechanism include first
Wire drawing, the first rack, little gear, gear wheel, the second rack and the second wire drawing, one end and the parking of first wire drawing
Braking maneuver handle is connected, and the other end of first wire drawing is connected with one end of first rack；The peace of the gear wheel
Dress axle and the installation axle of the little gear be arranged in parallel；The tip diameter of the gear wheel is more than the outside circle of the little gear
Diameter；The little gear is arranged between first rack and the gear wheel, the side of the little gear and described first
Rack engages, and the opposite side of the little gear engages with the gear wheel；One end of second wire drawing and the parking braking
Device is connected, and the other end of second wire drawing is connected with second rack, and second rack is used to nibble with the gear wheel
Close；The gear wheel and the gearratio of the little gear are more than 1.
2. parking braking system according to claim 1, it is characterised in that it also includes the first return mechanism, and described
One return mechanism can drive the gear wheel to operate, to drive the EPB return.
3. parking braking system according to claim 1, it is characterised in that it also includes the second return mechanism, and described
Two return mechanisms can drive the little gear to operate, to drive the EPB return.
4. parking braking system according to claim 2, it is characterised in that first return mechanism includes return tooth
Bar, return spring, one end of the return spring are connected with vehicle body, the other end of the return spring and the return rack phase
Even, the return rack engages with deviating from the side of second rack on the gear wheel.
5. according to the parking braking system described in any one of Claims 1-4, it is characterised in that the gear wheel with it is described small
The gearratio of gear is between 1.25 to 1.5.
6. a kind of automobile, it includes parking braking system, it is characterised in that the parking braking system is claim 1 to 5 times
Parking braking system described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711017426.8A CN107738636A (en) | 2017-10-26 | 2017-10-26 | A kind of parking braking system and the automobile comprising the parking braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711017426.8A CN107738636A (en) | 2017-10-26 | 2017-10-26 | A kind of parking braking system and the automobile comprising the parking braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107738636A true CN107738636A (en) | 2018-02-27 |
Family
ID=61238158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711017426.8A Pending CN107738636A (en) | 2017-10-26 | 2017-10-26 | A kind of parking braking system and the automobile comprising the parking braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107738636A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044562U (en) * | 1988-12-07 | 1989-09-20 | 候金祥 | Brake for motorized car |
| KR20010059828A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | Parking brake for vehicle |
| CN1760068A (en) * | 2005-11-05 | 2006-04-19 | 曹显亮 | Method and equipment for braking vehicle when parking cars |
| DE102007047203A1 (en) * | 2007-10-02 | 2009-04-09 | GM Global Technology Operations, Inc., Detroit | Parking brake for motor vehicle, has rack-and-pinion drive arranged between Bowden cable and actuating element, where drive transfers lever movement of actuating arm of actuating element into Bowden cable force |
| CN205736962U (en) * | 2016-05-19 | 2016-11-30 | 比亚迪股份有限公司 | Electric vehicle pedal gear, brakes, throttle system and electric vehicle |
-
2017
- 2017-10-26 CN CN201711017426.8A patent/CN107738636A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044562U (en) * | 1988-12-07 | 1989-09-20 | 候金祥 | Brake for motorized car |
| KR20010059828A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | Parking brake for vehicle |
| CN1760068A (en) * | 2005-11-05 | 2006-04-19 | 曹显亮 | Method and equipment for braking vehicle when parking cars |
| DE102007047203A1 (en) * | 2007-10-02 | 2009-04-09 | GM Global Technology Operations, Inc., Detroit | Parking brake for motor vehicle, has rack-and-pinion drive arranged between Bowden cable and actuating element, where drive transfers lever movement of actuating arm of actuating element into Bowden cable force |
| CN205736962U (en) * | 2016-05-19 | 2016-11-30 | 比亚迪股份有限公司 | Electric vehicle pedal gear, brakes, throttle system and electric vehicle |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180227 |