CN208760598U - A kind of gear type EPB failure parking device - Google Patents
A kind of gear type EPB failure parking device Download PDFInfo
- Publication number
- CN208760598U CN208760598U CN201821153159.7U CN201821153159U CN208760598U CN 208760598 U CN208760598 U CN 208760598U CN 201821153159 U CN201821153159 U CN 201821153159U CN 208760598 U CN208760598 U CN 208760598U
- Authority
- CN
- China
- Prior art keywords
- gear
- shell
- epb
- fixture block
- failure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a kind of gear type EPB failure parking devices, including EPB shell, brake disc, caliper unit, mounting rack and synchronous belt are equipped in the EPB shell, the mounting rack is equipped with reed shell, failure gear and normally closed solenoid valve, the gear that fails is equipped with normally open solenoid valve, fail gear and mounting rack rotation connection, failure gear and synchronous belt toe joint；The normally closed solenoid valve is equipped with the first fixture block, and normally open solenoid valve is equipped with the second fixture block；The reed shell is equipped with shaft, and shaft is connect with reed housing into rotation；Wind spring is equipped in reed shell, one end and the reed shell of wind spring are fixed, and the other end and the shaft of wind spring are fixed；The shaft is equipped with the first card slot and the second card slot, and first fixture block and the first card slot are clamped, and the second fixture block and the second card slot are clamped.The utility model provides a kind of used in new energy vehicles gear type EPB failure parking device, and parking can be realized in the case where power fails, guarantees driver safety.
Description
Technical field
The utility model relates to automobile brake technical fields, more particularly, to a kind of gear type EPB failure parking device.
Background technique
Electronic brake system (EPB:Electrical Park Brake) passes through the longitudinal direction that is built in its computer
Acceleration transducer calculates the gradient, so as to calculating the sliding force that vehicle is generated due to gravity on the slope, computer expert
It crosses motor and brake force is applied to balance sliding force to rear-wheel, enable the vehicle to stop on the slope.When vehicle start, computer by from
The size of displacement sensor and throttle on clutch pedal needs the brake force that applies to calculate.Computer calculates engine automatically
The increase of tractive force, reduces brake force accordingly.When tractive force overcomes sliding force enough, computer driving motor releases braking,
To realize the smooth starting of vehicle.Existing EPB controls EPB execution unit by EPB ECU, realizes parking, but either
EPB ECU, or lean on motor-driven execution unit, based on all needing electric power, otherwise cisco unity malfunction.Traditional EPB exists
It, cannot when vehicle power fails (including vehicle high-tension battery and battery) or EPB ECU and related elements failure report an error
Parking is realized on ramp, threatens driver safety.
Chinese patent application publication number CN206054596U, publication date are on 03 29th, 2017, and entitled " one kind is based on
The electronic brake executing agency of gear with small teeth difference " discloses a kind of electronic brake execution based on gear with small teeth difference
Mechanism, use is more compact, lightweight, and the high few teeth difference structure of transmission efficiency substitutes planetary gear structure, realizes and is amplified using two-stage
Normal amplification ratio demand can be met.But the patent does not solve parking function when electric power system fault fails, Wu Fabao
Demonstrate,prove driver safety.
Summary of the invention
The utility model in order to overcome the shortcomings in the prior art, provides a kind of used in new energy vehicles gear type EPB failure and stays
Vehicle device can realize parking in the case where power fails, guarantee driver safety.
To achieve the goals above, the utility model uses following technical scheme:
A kind of gear type EPB fails parking device, including EPB shell, brake disc, caliper unit, sets in the EPB shell
There are driving motor, driving gear and the driven gear connecting with caliper unit, the driving motor output shaft and driving gear connect
It connects, the driving gear and driven gear are equipped with mounting rack by synchronous band connection in the EPB shell, on the mounting rack
It is fixed equipped with reed shell, failure gear and normally closed solenoid valve, normally closed solenoid valve with mounting rack, failure gear is equipped with normally opened electricity
Magnet valve, normally open solenoid valve are fixed with failure gear, and failure gear and mounting rack are rotatablely connected, failure gear and synchronous belt toe joint；
The normally closed solenoid valve is equipped with the first fixture block, and normally open solenoid valve is equipped with the second fixture block；The reed shell is equipped with shaft,
Shaft is connect with reed housing into rotation；Wind spring is equipped in reed shell, one end and the reed shell of wind spring are fixed, wind spring it is another
End is fixed with shaft；The shaft is equipped with the first card slot and the second card slot, and the failure Gear axis is overlapped with shaft axis；
First fixture block and the first card slot are clamped, and the second fixture block and the second card slot are clamped.
By implementing above-mentioned technical proposal, parking can be realized when electric system is failed.Vehicle in normal state when,
EPB is worked normally, and driving motor drives driving gear rotation, and driving gear drives driven gear rotation by synchronous belt, driven
Gear band moving calipers mechanism by brake disc clamp or release, thus realize the braking of vehicle with it is non-brake.It is worked normally in EPB
When, normally closed solenoid valve is closed, and normally open solenoid valve is opened, and second fixture block and the second card slot are clamped, and synchronous belt drives failure tooth
Wheel rotation, failure gear band turn axis rotation, wind spring accumulation of energy.After the completion of accumulation of energy, normally closed solenoid valve open, first fixture block with
The clamping of first card slot, normally open solenoid valve are closed, and wind spring tensile force cannot be discharged due to the obstruction of the first fixture block.Because of normally opened electricity
Magnet valve is closed, and synchronous belt drives failure gear idle running.When power fails, normally closed solenoid valve is closed, and normally open solenoid valve is opened, wind spring
The energy of accumulation discharges, and drives failure gear rotation, is further driven to synchronous belt rotation.The function of parking when realizing power fails
Energy.Normally open solenoid valve is electrically connected with control circuit by brush realization.
Preferably, the failure parking device further includes fixture block guide pad, the fixture block guide pad is fixed with mounting rack,
Fixture block guide pad is equipped with the first slip hole, and first fixture block is slidably connected by the first slip hole and fixture block guide pad card.
By implementation above-mentioned technical proposal, the movement of the first fixture block can be made more stable, meanwhile, the first fixture block is clamped with the first card slot
When, shaft has certain power to the first block due to the effect of the tensile force of wind spring, and the fixture block guide pad can play support
Effect, avoids power from acting directly on normally closed solenoid valve, the connection to normally closed solenoid valve itself and normally closed solenoid valve and mounting rack
It damages.
Preferably, the failure gear face is equipped with connecting hole, the connection axially bored line and shaft axis are overlapped, institute
It states shaft one end to protrude into connecting hole, second card slot is located in connecting hole.It, can be to avoid by implementing above-mentioned technical proposal
The gear that fails is detached from shaft.Since shaft protrudes into connecting hole, even if weak vibrations occurs in shaft, shaking is also made to be maintained at certain
In range.
Preferably, the failure gear is equipped with the second slip hole, second fixture block is by the second slip hole and loses
Imitate gears slip connection.By implementing above-mentioned technical proposal, second slip hole can make failure the second fixture block of gear mesh can
To play a supporting role, power is avoided to act directly on normally open solenoid valve, to normally open solenoid valve itself and normally open solenoid valve and mistake
The connection of effect gear damages.
Preferably, the mounting rack is slidably connected with EPB shell, the EPB shell is equipped with adjustable spring, described flexible
Spring one end is connect with EPB shell, and the adjustable spring other end is connect with mounting rack.Since synchronous belt is mostly rubber material, make
With will appear the phenomenon that being elongated in the process, so that the toe joint of synchronous belt and gear is influenced, it, can by implementing above-mentioned technical proposal
To play tension to synchronous belt, described happen is prevented.
Preferably, the EPB shell in be equipped with several guide rods, state guide rod and fixed with EPB shell, guide rod equipped with
The sliding block that guide rod is slidably connected, the sliding block are fixed with mounting rack.The technical solution can guarantee mounting rack with respect to EPB shell
Sliding that can be flexible, stable.
It is rotatablely connected preferably, the reed shell is equipped with bearing, the shaft and reed shell by bearing.It is logical
Bearing is crossed, reed shell and shaft can be made to form stable rotation connection.
The beneficial effects of the utility model are: (1) structure is simple, difficulty of processing is small；(2) the EPB power fails the case where
Lower realization parking guarantees driver safety；(3) synchronous belt can be tensioned, eliminates other strainers.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial structural diagram of the utility model.
Fig. 3 is A-A cutaway cross-sectional view in Fig. 2.
In figure: EPB shell 1, brake disc 2, caliper unit 3, synchronous belt 4, mounting rack 5, reed shell 6, wind spring 7, shaft
8, the first card slot 8.1, the second card slot 8.2, failure gear 9, normally closed solenoid valve 10, normally open solenoid valve 11, the first fixture block 12, second
Fixture block 13, fixture block guide pad 14, the first slip hole 14.1, bearing 15, guide rod 16, sliding block 17.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments:
As shown in Figure 1, Figure 2 and Figure 3, a kind of gear type EPB failure parking device, including EPB shell 1, brake disc 2, card
Jaw mechanism 3, the EPB shell 1 are interior equipped with driving motor, driving gear and the driven gear connecting with caliper unit 3, the drive
Dynamic motor output shaft is connect with driving gear, and the driving gear and driven gear are connected by synchronous belt 4, the EPB shell 1
Interior to be equipped with mounting rack 5, the mounting rack 5 is equipped with reed shell 6, failure gear 9 and normally closed solenoid valve 10, normally closed solenoid valve 10
Fixed with mounting rack 5, failure gear 9 is equipped with normally open solenoid valve 11, and normally open solenoid valve 11 and failure gear 9 are fixed, and fail tooth
Wheel 9 is rotatablely connected with mounting rack 5, failure gear 9 and 4 toe joint of synchronous belt；The normally closed solenoid valve 10 is equipped with the first fixture block 12,
Normally open solenoid valve 11 is equipped with the second fixture block 13；The reed shell 6 is equipped with shaft 8, and shaft 8 and the rotation of reed shell 6 connect
It connects；Wind spring 7 is equipped in reed shell 6, one end of wind spring 7 and reed shell 6 are fixed, and the other end and shaft 8 of wind spring 7 are fixed；
The shaft 8 is equipped with the first card slot 8.1 and the second card slot 8.2, and 9 axis of failure gear is overlapped with 8 axis of shaft；It is described
First fixture block 12 and the first card slot 8.1 are clamped, and the second fixture block 13 and the second card slot 8.2 are clamped.
By implementing above-mentioned technical proposal, parking can be realized when electric system is failed.Vehicle in normal state when,
EPB is worked normally, and driving motor drives driving gear rotation, and driving gear drives driven gear rotation by synchronous belt 4, driven
Gear band moving calipers mechanism 3 by 2 clamp or release of brake disc, thus realize the braking of vehicle with it is non-brake.It is worked normally in EPB
When, normally closed solenoid valve 10 is closed, and normally open solenoid valve 11 is opened, and second fixture block 13 and the second card slot 8.2 are clamped, synchronous belt 4
Failure gear 9 is driven to rotate, failure gear 9 drives shaft 8 to rotate, 7 accumulation of energy of wind spring.After the completion of accumulation of energy, normally closed solenoid valve 10 is opened
It opens, first fixture block 12 and the first card slot 8.1 are clamped, and normally open solenoid valve 11 is closed, and 7 tensile force of wind spring is due to the first fixture block 12
Obstruction, cannot discharge.Because normally open solenoid valve 11 is closed, synchronous belt 4 drives failure gear 9 to dally.It is normally closed when power fails
Solenoid valve 10 is closed, and normally open solenoid valve 11 is opened, and the energy release that wind spring 7 is accumulated drives failure gear 9 to rotate, further band 4
Dynamic synchronous belt 4 rotates.The function of parking when realizing power fails.Normally open solenoid valve 11 is electrically connected with control circuit by brush realization
It connects.
The failure parking device further includes fixture block guide pad 14, and the fixture block guide pad 14 and mounting rack 5 are fixed, fixture block
Guide pad 14 is equipped with the first slip hole 14.1, and first fixture block 12 is blocked by the first slip hole 14.1 with fixture block guide pad 14
It is slidably connected.By implementation above-mentioned technical proposal, the movement of the first fixture block 12 can be made more stable, meanwhile, the first fixture block 12 exists
When being clamped with the first card slot 8.1, shaft 8 has certain power, the card to the first block due to the effect of the tensile force of wind spring 7
Block guide pad 14 can play a supporting role, and power is avoided to act directly on normally closed solenoid valve 10, to normally closed solenoid valve 10 itself
It is damaged with normally closed solenoid valve 10 and the connection of mounting rack 5.
9 end face of failure gear is equipped with connecting hole, and the connection axially bored line and 8 axis of shaft are overlapped, the shaft 8
One end is protruded into connecting hole, and second card slot 8.2 is located in connecting hole.It, can be to avoid mistake by implementing above-mentioned technical proposal
It imitates gear 9 and is detached from shaft 8.Since shaft 8 protrudes into connecting hole, even if weak vibrations occurs in shaft 8, shaking is also made to be maintained at one
Determine in range.
The failure gear 9 is equipped with the second slip hole, and second fixture block 13 passes through the second slip hole and failure gear 9
It is slidably connected.By implementing above-mentioned technical proposal, second slip hole can allow failure gear 9 to play the second fixture block 13
To supporting role, power is avoided to act directly on normally open solenoid valve 11, to normally open solenoid valve 11 itself and normally open solenoid valve 11 with
The connection of failure gear 9 damages.
The mounting rack 5 and EPB shell 1 is slidably connected, and the EPB shell 1 is equipped with adjustable spring, the adjustable spring one
End is connect with EPB shell 1, and the adjustable spring other end is connect with mounting rack 5.Since synchronous belt 4 is mostly rubber material, using
It will appear the phenomenon that being elongated in journey, it, can be with by implementing above-mentioned technical proposal to influence the toe joint of synchronous belt 4 Yu gear
Tension is played to synchronous belt 4, prevents described happen.
Several guide rods 16 are equipped in the EPB shell 1, the guide rod 16 is fixed with EPB shell 1, and guide rod 16 is equipped with
The sliding block 17 being slidably connected with guide rod 16, the sliding block 17 and mounting rack 5 are fixed.The technical solution can guarantee mounting rack 5
The sliding that EPB shell 1 can be flexible, stable relatively.
The reed shell 6 is equipped with bearing 15, and the shaft 8 is rotatablely connected with reed shell 6 by bearing 15.Pass through
Bearing 15 can make reed shell 6 and shaft 8 form stable rotation connection.
By implementing above-mentioned technical proposal, when EPB is worked normally, accumulation of energy can be carried out to reed.EPB works normally shape
When state, shaft connect disconnection with failure gear, and the tensile force of reed will not impact EPB itself, only fails in EPB
When, failure parking device just can carry out parking to vehicle.The beneficial effects of the utility model are: structure is simple, difficulty of processing is small；
Parking is realized in the case where EPB power fails, guarantees driver safety；Synchronous belt can be tensioned, be eliminated other
Strainer.
Claims (6)
- The parking device 1. a kind of gear type EPB fails, including EPB shell, brake disc, caliper unit are equipped in the EPB shell Driving motor, driving gear and the driven gear connecting with caliper unit, the driving motor output shaft are connect with driving gear, The driving gear passes through synchronous band connection with driven gear, characterized in that mounting rack, the peace are equipped in the EPB shell It shelves and is fixed equipped with reed shell, failure gear and normally closed solenoid valve, normally closed solenoid valve with mounting rack, failure gear is equipped with Normally open solenoid valve, normally open solenoid valve are fixed with failure gear, and failure gear and mounting rack are rotatablely connected, and fail gear and synchronous belt Toe joint；The normally closed solenoid valve is equipped with the first fixture block, and normally open solenoid valve is equipped with the second fixture block；The reed shell is equipped with Shaft, shaft are connect with reed housing into rotation；Wind spring is equipped in reed shell, one end and the reed shell of wind spring are fixed, wind spring The other end fixed with shaft；The shaft is equipped with the first card slot and the second card slot, the failure Gear axis and shaft axis Line is overlapped；First fixture block and the first card slot are clamped, and the second fixture block and the second card slot are clamped.
- The parking device 2. a kind of gear type EPB according to claim 1 fails, characterized in that the failure parking device It further include fixture block guide pad, the fixture block guide pad is fixed with mounting rack, and fixture block guide pad is equipped with the first slip hole, and described the One fixture block is slidably connected by the first slip hole and fixture block guide pad card.
- The parking device 3. a kind of gear type EPB according to claim 1 fails, characterized in that the failure gear face It is equipped with connecting hole, the connection axially bored line and shaft axis are overlapped, and described shaft one end is protruded into connecting hole, second card Slot position is in connecting hole.
- The parking device 4. a kind of gear type EPB according to claim 3 fails, characterized in that set on the failure gear There is the second slip hole, second fixture block is connect by the second slip hole with failure gears slip.
- The parking device 5. a kind of gear type EPB according to claim 1 or 2 or 3 or 4 fails, characterized in that the installation Frame is slidably connected with EPB shell, and the EPB shell is equipped with adjustable spring, and described adjustable spring one end connect with EPB shell, stretches The contracting spring other end is connect with mounting rack.
- The parking device 6. a kind of gear type EPB according to claim 1 or 2 or 3 or 4 fails, characterized in that the reed Shell is equipped with bearing, the shaft and reed shell and is rotatablely connected by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153159.7U CN208760598U (en) | 2018-07-19 | 2018-07-19 | A kind of gear type EPB failure parking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153159.7U CN208760598U (en) | 2018-07-19 | 2018-07-19 | A kind of gear type EPB failure parking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208760598U true CN208760598U (en) | 2019-04-19 |
Family
ID=66128879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821153159.7U Active CN208760598U (en) | 2018-07-19 | 2018-07-19 | A kind of gear type EPB failure parking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208760598U (en) |
-
2018
- 2018-07-19 CN CN201821153159.7U patent/CN208760598U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209142116U (en) | A kind of EPB brake gear equipped with power loss parking defencive function | |
| CN106335487A (en) | Electric parking brake (EPB) control method for electric car | |
| KR20090130602A (en) | Caliper attaching typed electrical parking brake in vehicle | |
| CN102774365B (en) | Intelligent handbrake device and control method | |
| CN208760598U (en) | A kind of gear type EPB failure parking device | |
| CN108189823B (en) | Universal braking device for unmanned automobile and operation method | |
| CN106427966A (en) | Electronic control brake booster used in vehicle braking system | |
| CN109774876A (en) | A kind of electronic tightening device for photovoltaic floating body waterborne | |
| CN109017734A (en) | A kind of gear type EPB failure parking device | |
| CN102401738A (en) | Fatigue strength test device for parking brake of wheelchair | |
| CN201819808U (en) | Fatigue strength testing device for parking brake of wheelchair | |
| CN219838543U (en) | Turbine worm type parking mechanism | |
| CN102795210B (en) | Electronic parking system and starting control method of stick-shift car | |
| CN109050507B (en) | EPB brake equipment with lose electric parking protect function | |
| CN108622050B (en) | Automobile brake auxiliary equipment | |
| EP1967754A3 (en) | Vehicle wheel drive comprising an electric motor and a parking brake. | |
| CN205632471U (en) | Electronic parking braking system with double -piston calliper | |
| CN201679890U (en) | Novel electronic mechanical brake for vehicle | |
| CN210087980U (en) | Electronic parking electric actuator | |
| CN206086706U (en) | Electron manual brake controlling means | |
| CN215444859U (en) | Electronic mechanical brake device | |
| CN209667323U (en) | A kind of electronic tightening device for photovoltaic floating body waterborne | |
| CN208119127U (en) | A kind of automotive wheel one-directional rotation control mechanism | |
| CN208515572U (en) | Electric boosted device with pedal and vehicle | |
| CN208119126U (en) | A kind of automobile abrupt slope starting landslide-proofing device |
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. |
|
| CP01 | Change in the name or title of a patent holder |