CN207470514U - A kind of parking valve control system - Google Patents
A kind of parking valve control system Download PDFInfo
- Publication number
- CN207470514U CN207470514U CN201721448606.7U CN201721448606U CN207470514U CN 207470514 U CN207470514 U CN 207470514U CN 201721448606 U CN201721448606 U CN 201721448606U CN 207470514 U CN207470514 U CN 207470514U
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- valve
- oil
- parking
- guide
- control valve
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Abstract
The utility model discloses a kind of electronic parking scheme and devices, specifically a kind of parking valve control system, including the parking valve being connected by mechanical mechanism with parking device and for the parking valve to be controlled to be acted by P gears to the park control valve of NP gears, the high pressure oil inlet of the park control valve is connected with high-pressure oil passage, the high-pressure oil outlet of the park control valve is connected by oil circuit with the oil inlet of parking valve, with the above mentioned technical proposal, the method of a kind of parking valve control system described in the utility model and the application system is acted by hydraulic circuit and the guide's in-line control machinery valve plate and lock pin that are arranged on parking valve valve casing and spool, locking is carried out to parking valve, parking valve guide end oil pressure is avoided to disappear, the parking valve short time returns to P gears, personnel is caused to injure.
Description
Technical field
The utility model is related to a kind of electronic parking device, specifically a kind of parking valve control system.
Background technology
The more convenient driver of electronic parking system selects to manipulate gear, while eliminates gear level and gearshift zipper etc.
Component of machine reduces manufacture cost, increases vehicle inner space, and therefore, electronic parking systematic difference is more and more wider
General, existing electronic parking system is connected by HYDRAULIC CONTROL SYSTEM parking valve, parking valve by mechanical mechanism with gearshift,
Gear is driven to switch to NP gears by P gears, the high-pressure oil passage being connected with parking valve is controlled by park control valve, and park control valve passes through
Switch valve controls it to unlatch and close, and parking valve locking passes through electronically controlled locking valve, electronics in existing electronic parking system
It controls increasing circuit demand and is easily damaged, the life security of driver and passenger is generated and is greatly threatened.
Utility model content
In order to insufficient more than making up, the utility model provides a kind of parking controlled by hydraulic circuit and mechanical structure
Valve control system, to solve the problems in above-mentioned background technology.
The technical solution of the utility model is：
A kind of parking valve control system, including the parking valve being connected by mechanical mechanism with parking device and for controlling this
Parking valve is acted by P gears to the park control valve of NP gears, high pressure oil inlet and the high-pressure oil passage phase of the park control valve
Even, the high-pressure oil outlet of the park control valve is connected by oil circuit with the oil inlet of parking valve, the elder generation of the park control valve
Lead end with control oil circuit be connected, at the parking valve set parking valve locking mechanism, the parking valve locking mechanism include with it is low
Guide's in-line that pressure oil road is connected and the lock pin control valve being connected in guide's in-line, the lock pin control valve are
Normally open, the lock pin that is controlled by hydraulic valve plate of oil outlet end installation of guide's in-line, at the parking valve core
The lock groove that setting matches with lock pin.
As preferred technical solution, guide's in-line includes being arranged on the first oil duct on parking valve chest, the
Two oil ducts and the internal oil channel being arranged in parking valve core, first oil duct and the second oil duct are connected by internal oil channel, described
First oil duct oil inlet is connected with low pressure oil way, and the internal oil channel is arranged on spool, first oil duct, internal oil channel and second
Oil duct is connected when spool is in NP gears, and the lock pin is inserted into when spool is in NP gears in lock pin.
As preferred technical solution, the guide end of the lock pin control valve is connected with locking guide's oil circuit, the lock
Only guide's oil circuit is normally opened oil circuit.
As preferred technical solution, the guide end of the park control valve is connected with park control valve locking mechanism, institute
It states park control valve locking mechanism and includes the control oil circuit being connected with park control valve guide end, the control oil circuit is included in it
The draining oil circuit of the guide's oil circuit of tandem tap valve S1 and its interior string switch valve S2, the guide's oil circuit and park control valve guide
The oil inlet at end is connected, and the draining oil circuit is connected with the drain tap at park control valve guide end.
By adopting the above-described technical solution, a kind of parking valve control system described in the utility model and apply the system
Method pass through hydraulic circuit and the guide's in-line control machinery valve plate and lock pin that are arranged on parking valve valve casing and spool
Action carries out locking to parking valve, parking valve guide end oil pressure is avoided to disappear, and the parking valve short time returns to P gears, and personnel is caused to hinder
Evil, while hydraulic pressure and Mechanical course change original electronic control, reduce electronic circuit while application interior original oil circuit
Arrangement, electronic circuit is avoided to damage, improves whole degree safe to use.
Description of the drawings
It 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, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment；
Specific embodiment
Embodiment one：As shown in Figure 1, a kind of parking valve control system described in the utility model, including passing through mechanical machine
Parking valve 5 that structure is connected with parking device and for the parking valve 4 to be controlled to be acted by P gears to the park control valve 4 of NP gears,
The parking valve 5 includes valve casing 501 and spool 502, and spool 502 single line can move in valve casing 501, the P gears and NP gears pair
Answer the movement position of spool 502.
The park control valve 4 is hydraulic control mechanical valve, and park control valve 4 has guide end and mechanical spool end, first
It leads oiling in end to eject mechanical spool, realizes valve opening, otherwise close, mechanical spool end has 401 He of high pressure oil inlet
High-pressure oil outlet 402, the high pressure oil inlet 401 are connected with the high-pressure oil passage 1A of 20bar, and the high-pressure oil outlet 402 passes through
Oil circuit is connected with the oil inlet of parking valve 5, and the high pressure oil of 20bar enters the oil pocket of parking valve 5 by park control valve 4, described
The guide end of park control valve 4 is connected with control oil circuit, and parking valve locking mechanism, the parking valve are set at the parking valve 5
Locking mechanism includes the guide's in-line 2P being connected with low pressure oil way 1B and the lock pin control being connected in guide's in-line 2P
Valve 11 processed, the lock pin control valve 11 are normally open, the oil inlet end of the locking guide's oil circuit 2P and normally opened lock pin control
Valve 11 processed is connected, and the oil outlet end of the locking guide's oil circuit 2P is connected with lock valve oil inlet, is controlled by guide's in-line 2P
Locking valve events, the lock valve include valve plate 7 and lock pin 6, and hydraulic oil pushes valve plate 7 and lock pin 6 to act, to parking valve
5 carry out locking.
The lock groove 15 that setting matches with lock pin 6 at 5 spool of parking valve.
Guide's in-line includes the first oil duct 505 being arranged on parking valve chest, the second oil duct 506 and is arranged on
Internal oil channel 507 in parking valve core, 505 and second oil duct 506 of the first oil duct are connected by internal oil channel 507, parking valve 5
When acting NP gears, internal oil channel 507 is connected with the first oil duct 505 and the second oil duct 506, forms oil circuit, first oil duct
505 oil inlets are connected with low pressure oil way 1B, and the internal oil channel 507 is arranged on spool, first oil duct 505, internal oil channel 507
And second oil duct 506 connected when spool is in NP gears, the lock pin is inserted into lock groove 15 when spool is in NP gears
It is interior.
The guide end of the lock pin control valve 11 is connected with locking guide's oil circuit 2P, and the locking guide's oil circuit is normally opened
Oil circuit.
The guide end of the park control valve 4 is connected with park control valve locking mechanism, the park control valve locking machine
Structure includes the control oil circuit being connected with 4 guide end of park control valve, and the control oil circuit includes the elder generation of its interior tandem tap valve S1
Draining the oil circuit 4B, the guide's oil circuit 4A of Oil Guide road 4A and its interior string switch valve S2 and the oil inlet at 4 guide end of park control valve
Mouth is connected, and the draining oil circuit 4B is connected with the drain tap at park control valve guide end, is controlled parking by draining oil circuit 4B
Hydraulic oil in 4 guide end of valve releases, and park control valve 4 is closed.
Switch valve S1 is opened, and the low pressure oil way 1B of 5bar is entered by switch valve S1 in park control valve oil suction chamber, parking
Control valve is opened, and the high-pressure oil passage 1A of 20bar is passed through park control valve fuel feed hole, and passes through oil outlet and fuel-displaced oil circuit is passed through and stays
In vehicle valve fuel feed hole, control parking valve core is opened, and vehicle is in NP gears；
Valve S1 is turned off the switch, 5bar low pressure oil way 1B are cut off, at this point, the liquid in the draining oil circuit being connected with park control valve
Pressure oil turns on the switch valve S2 still in oil suction chamber, and the hydraulic oil in draining oil circuit is released, and park control valve is closed, and completes to stay
Vehicle valve closing motion, vehicle are in P gears；
When parking valve core enters NP gears, internal oil channel 507 is connected with the first oil duct 505 and the second oil duct 506, locking guide
Oil circuit 2P is connected, and 5bar low pressure oil ways 1B is entered by 6 control valve of lock pin in locking guide's oil circuit 2P, and is connected to mechanical valve
On plate 7, lock pin 6 is controlled to act by valve plate 7, moved up under lock pin 6 in lock groove 15, mechanical cable stops parking valve 5 in NP
Gear；If 5 guide's end pressure of parking valve disappear, lock pin 6 will rope stop parking valve 5 be in NP keep off；
When being kept off in NP, switch valve S1 breaks down, and 5bar low-pressure pilot oil circuits cannot be introduced into 4 oil inlet of park control valve
Chamber, switch valve S2 are closed, and the draining oil circuit being connected in 4 oil suction chamber of park control valve by circuit provides hydraulic pressure into oil suction chamber
Oil, locking itself is simultaneously in opening, and vehicle is still in NP gears, and after secure parking, switch valve S2 is opened, park control valve
4 guide end oil pressure are vented by switch valve S2, and 5 guide end 20bar oil pressure of parking valve vents, and complete 5 closing motion of parking valve, whole
Vehicle is in P gears.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of parking valve control system, including the parking valve being connected by mechanical mechanism with parking device and for this to be controlled to stay
Vehicle valve is acted by P gears to the park control valve of NP gears, and the high pressure oil inlet of the park control valve is connected with high-pressure oil passage,
The high-pressure oil outlet of the park control valve is connected by oil circuit with the oil inlet of parking valve, it is characterised in that：The parking control
The guide end of valve processed is connected with control oil circuit, and parking valve locking mechanism, the parking valve locking mechanism are set at the parking valve
Including the guide's in-line being connected with low pressure oil way and the lock pin control valve being connected in guide's in-line, the lock pin
Control valve is normally open, and the oil outlet end of guide's in-line installs the lock pin controlled by hydraulic valve plate, the parking
The lock groove that setting matches with lock pin at valve core.
2. a kind of parking valve control system as described in claim 1, it is characterised in that：Guide's in-line includes being arranged on
The first oil duct, the second oil duct and the internal oil channel being arranged in parking valve core on parking valve chest, first oil duct and
Two oil ducts are connected by internal oil channel, and the first oil duct oil inlet is connected with low pressure oil way, and the internal oil channel is arranged on spool,
First oil duct, internal oil channel and the second oil duct are connected when spool is in NP gears, and the lock pin is in NP gears in spool
It is inserted into lock pin during position.
3. a kind of parking valve control system as claimed in claim 2, it is characterised in that：The guide end of the lock pin control valve
It is connected with locking guide's oil circuit, the locking guide's oil circuit is normally opened oil circuit.
4. a kind of parking valve control system as claimed in claim 3, it is characterised in that：The guide end of the park control valve with
Park control valve locking mechanism is connected, and the park control valve locking mechanism includes the control being connected with park control valve guide end
Oil circuit, the control oil circuit include the guide's oil circuit of its interior tandem tap valve S1 and its draining oil circuit of interior string switch valve S2, institute
The oil inlet that guide's oil circuit is stated with park control valve guide end is connected, the draining oil circuit and the draining at park control valve guide end
Mouth is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448606.7U CN207470514U (en) | 2017-11-02 | 2017-11-02 | A kind of parking valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448606.7U CN207470514U (en) | 2017-11-02 | 2017-11-02 | A kind of parking valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207470514U true CN207470514U (en) | 2018-06-08 |
Family
ID=62262238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721448606.7U Active CN207470514U (en) | 2017-11-02 | 2017-11-02 | A kind of parking valve control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207470514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630849A (en) * | 2017-11-02 | 2018-01-26 | 盛瑞传动股份有限公司 | A kind of method of parking valve control system and the application system |
| CN110217213A (en) * | 2019-06-21 | 2019-09-10 | 北京经纬恒润科技有限公司 | A kind of electronic parking braking method, apparatus and system |
-
2017
- 2017-11-02 CN CN201721448606.7U patent/CN207470514U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630849A (en) * | 2017-11-02 | 2018-01-26 | 盛瑞传动股份有限公司 | A kind of method of parking valve control system and the application system |
| CN107630849B (en) * | 2017-11-02 | 2023-10-03 | 盛瑞传动股份有限公司 | Parking valve control system and method for applying same |
| CN110217213A (en) * | 2019-06-21 | 2019-09-10 | 北京经纬恒润科技有限公司 | A kind of electronic parking braking method, apparatus and system |
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