CN108032854B - A kind of dual-purpose parking valve group of No leakage electric mechanical - Google Patents
A kind of dual-purpose parking valve group of No leakage electric mechanical Download PDFInfo
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- CN108032854B CN108032854B CN201711322495.XA CN201711322495A CN108032854B CN 108032854 B CN108032854 B CN 108032854B CN 201711322495 A CN201711322495 A CN 201711322495A CN 108032854 B CN108032854 B CN 108032854B
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- block ontology
- oil outlet
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Classifications
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- 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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
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- 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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/025—Electrically controlled valves
- B60T15/028—Electrically controlled valves in hydraulic systems
Abstract
The invention discloses a kind of dual-purpose parking valve group of No leakage formula electric mechanical, the parking valve group includes: valve block ontology；The check valve of oil liquid one-way flow is controlled, the check valve is arranged in the valve block ontology, and, the check valve setting direction is consistent with the direction that oil liquid flows into the valve block ontology；Filter core, the filter core are arranged between the valve block ontology and the check valve；Solenoid ball valve, the Solenoid ball valve is arranged above the valve block ontology, and the outlet with the check valve；Board-like three-way ball valve, the board-like three-way ball valve setting is arranged in parallel above the valve block ontology, and with the Solenoid ball valve, while the outlet of the first interface of the board-like three-way ball valve and the check valve.Parking braking system is reached to automatically engage, with high-tension system linkage control, has improved vehicle safety performance, if vehicle trouble, when parking electronic control system can not work, parking braking can have been released manually, improve the technical effect of vehicle maintenance.
Description
Technical field
Motor vehicle technology field of the present invention more particularly to a kind of dual-purpose parking valve group of No leakage formula electric mechanical.
Background technique
The parking braking system of conventional engine rolling stock generallys use hand-operated valve control parking system, passes through manual operation
Handle releases parking, and an emergency situation is encountered, and manual operation parking handle realizes emergency braking function, and conventional engine rolling stock is tight
It only needs to realize vehicle braking function when anxious damped condition, and vehicle system is not required nothing more than in case of emergency for electric vehicle
It moves while high pressure being required to power off.
But present inventor during technical solution, has found the above-mentioned prior art extremely in realizing the embodiment of the present application
It has the following technical problems less:
In the prior art, electric vehicle need to be operated when failure in vehicle operation and is stayed using parking system is manually controlled
Vehicle braking system makes vehicle braking, cannot achieve the function that braking automatically engages.
Summary of the invention
The embodiment of the invention provides a kind of dual-purpose parking valve groups of No leakage formula electric mechanical, to solve in the prior art
Parking braking system, which need to be operated, when failure in electric vehicle operation makes vehicle braking, cannot achieve the function that braking automatically engages.
To solve the above-mentioned problems, the embodiment of the invention provides a kind of dual-purpose parking valve group of No leakage formula electric mechanical,
The parking valve group includes: valve block ontology；The check valve of oil liquid one-way flow is controlled, the check valve is arranged in the valve block sheet
In vivo, and, the check valve setting direction is consistent with the direction that oil liquid flows into the valve block ontology；Filter core, the filter core setting
Between the valve block ontology and the check valve；Solenoid ball valve, the Solenoid ball valve are arranged above the valve block ontology, and
With the outlet of the check valve；Board-like three-way ball valve, the board-like three-way ball valve are arranged above the valve block ontology, and
It is arranged in parallel with the Solenoid ball valve, while the outlet of the first interface of the board-like three-way ball valve and the check valve.
Preferably, the parking valve group further include: the first oil outlet, first oil outlet are arranged in the valve block ontology
On, and one end is connect with the check valve, the other end is connect with high pressure fuel source；Second oil outlet, the second oil outlet setting
On the valve block ontology, one end is connect with the one-way valved outlet, and the other end is connect with high pressure accumulator；Third oil outlet,
The third oil outlet is arranged on the valve block ontology, and connect with fuel tank；4th oil outlet, the 4th oil outlet setting
On the valve block ontology, and it is connect with pressure gauge；5th oil outlet, the 5th oil outlet are arranged in the valve block ontology
On, and connect with parking brake.
Preferably, the parking valve group further include: connector, the connector are arranged on oil outlet.
Preferably, the Solenoid ball valve includes: electromagnet, and the electromagnet is arranged in the Solenoid ball valve；Electromagnetism
One interface, the electromagnetism first interface are connected to the first interface of the one-way valved outlet, board-like three-way ball valve；Electromagnetism second connects
Mouthful, the electromagnetism second interface is connected to the third oil outlet；Electromagnetism third interface, the electromagnetism third interface and the plate
The third interface of formula three-way ball valve connects.
Preferably, it is designed inside the Solenoid ball valve for ball-valve structure.
Preferably, it is designed inside the board-like three-way ball valve for ball-valve structure.
Preferably, the second interface of the board-like three-way ball valve is connect with the 5th oil outlet.
The one or more technical solutions provided in the embodiment of the present invention at least have following one or more technology effects
Fruit:
1, in a kind of dual-purpose parking valve group of No leakage formula electric mechanical provided in an embodiment of the present invention, the parking valve group packet
It includes: valve block ontology；The check valve of oil liquid one-way flow is controlled, the check valve is arranged in the valve block ontology, and, the list
It is consistent with the direction that oil liquid flows into the valve block ontology to valve setting direction；Filter core, the filter core are arranged in the valve block ontology
Between the check valve；Solenoid ball valve, the Solenoid ball valve are arranged above the valve block ontology, and with the check valve
Outlet；Board-like three-way ball valve, the board-like three-way ball valve are arranged above the valve block ontology, and with the Solenoid ball valve
It is arranged in parallel, while the outlet of the first interface of the board-like three-way ball valve and the check valve.Solves the prior art
Parking braking system, which need to be operated, when failure in middle electric vehicle operation makes vehicle braking, cannot achieve the function that braking automatically engages
Can, reach parking braking system and automatically engaged, parking braking system and high-tension system linkage control improve vehicle safety
Can, if vehicle trouble, when parking electronic control system can not work, parking braking can be released manually, improves vehicle maintenance
Technical effect.
2, pass through the parking valve group in the embodiment of the present application further include: the first oil outlet, the first oil outlet setting
On the valve block ontology, and one end is connect with the check valve, and the other end is connect with high pressure fuel source；Second oil outlet, it is described
Second oil outlet is arranged on the valve block ontology, and one end is connect with the one-way valved outlet, and the other end and high pressure accumulator connect
It connects；Third oil outlet, the third oil outlet is arranged on the valve block ontology, and connect with fuel tank；4th oil outlet, it is described
The setting of 4th oil outlet is connect on the valve block ontology, and with pressure gauge；5th oil outlet, the 5th oil outlet setting exist
On the valve block ontology, and it is connect with parking brake.It needs to operate when solving failure in electric vehicle operation in the prior art
Parking braking system makes vehicle braking, cannot achieve the technical issues of braking automatically engages, and it is automatic to have reached parking braking system
Investment, parking braking system and high-tension system linkage control, improve the technical effect of vehicle safety performance.
3, in the embodiment of the present invention by being designed inside the Solenoid ball valve for ball-valve structure.Solves hydraulic fluid port oil liquid leakage
The technical issues of, reach the technical effect of No leakage between each hydraulic fluid port of parking valve group.
4, in the embodiment of the present invention by being designed inside the board-like three-way ball valve for ball-valve structure.Solves hydraulic fluid port oil liquid
The technical issues of leakage, has reached the technical effect of No leakage between each hydraulic fluid port of parking valve group.
5, it is connect by the second interface of the board-like three-way ball valve with the 5th oil outlet in the embodiment of the present invention.It reaches
If having arrived vehicle trouble, when parking electronic control system can not work, parking braking can be released manually, improves vehicle maintenance
Technical effect.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the dual-purpose parking valve group of No leakage formula electric mechanical of the embodiment of the present invention；
Fig. 2 is a kind of structure top view of the dual-purpose parking valve group of No leakage formula electric mechanical of the embodiment of the present invention；
Fig. 3 is a kind of working principle diagram of the dual-purpose parking valve group of No leakage formula electric mechanical of the embodiment of the present invention；
Fig. 4 is that Solenoid ball valve obtains electric oil communication schematic diagram in the embodiment of the present invention；
Fig. 5 is to release parking oil communication schematic diagram manually in the embodiment of the present invention.
Description of symbols:
Valve block ontology 1, check valve 2, Solenoid ball valve 3, board-like three-way ball valve 4, connector 5, the first oil outlet 6, second is fuel-displaced
Mouth 7, third oil outlet 8, the 4th oil outlet 9, the 5th oil outlet 10, first interface 11, second interface 12, third interface 13, electricity
Magnetic first interface 14, electromagnetism second interface 15, electromagnetism third interface 16.
Specific embodiment
The embodiment of the invention provides a kind of dual-purpose parking valve groups of No leakage formula electric mechanical, to solve in the prior art
Parking braking system, which need to be operated, when failure in electric vehicle operation makes vehicle braking, cannot achieve the function that braking automatically engages.
Technical solution in the embodiment of the present invention, overall structure are as follows: a kind of dual-purpose parking valve of No leakage formula electric mechanical
Group, the parking valve group include: valve block ontology；The check valve of oil liquid one-way flow is controlled, the check valve is arranged in the valve
In block body, and, the check valve setting direction is consistent with the direction that oil liquid flows into the valve block ontology；Filter core, the filter core
It is arranged between the valve block ontology and the check valve；Solenoid ball valve, the Solenoid ball valve are arranged on the valve block ontology
Side, and the outlet with the check valve；Board-like three-way ball valve, the board-like three-way ball valve are arranged on the valve block ontology
Side, and be arranged in parallel with the Solenoid ball valve, while the outlet of the first interface of the board-like three-way ball valve and the check valve
Connection.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Embodiment one
The present embodiment provides a kind of dual-purpose parking valve groups of No leakage formula electric mechanical, referring to FIG. 1, the parking valve group packet
It includes:
Valve block ontology 1；
The check valve 2 of oil liquid one-way flow is controlled, the check valve 2 is arranged in the valve block ontology 1, and, the list
It is consistent with the direction that oil liquid flows into the valve block ontology 1 to 2 setting direction of valve；
Specifically, it is provided with a check valve 2 in the valve block ontology 1, controls oil liquid one-way flow, the check valve
2 setting directions are consistent with the direction that oil liquid flows into the valve block ontology 1, i.e., the direction that the described check valve 2 is installed is to allow oil liquid
It flows into the parking valve group, oil liquid is forbidden to flow out from the parking valve group.
Filter core, the filter core are arranged between the valve block ontology 1 and the check valve 2；
Specifically, a filter core is provided between the check valve 2 installed in the valve block ontology 1, the filter core rises
To the effect of filtering oil sources.
Solenoid ball valve 3, the Solenoid ball valve 3 is arranged above the valve block ontology 1, and the outlet with the check valve 2
Connection；
Further, the Solenoid ball valve 3 includes: electromagnet, and the electromagnet is arranged in the Solenoid ball valve 3；Electricity
The first interface 14 of magnetic first interface 14, the electromagnetism first interface 14 and the check valve 2 outlet, board-like three-way ball valve 4 connects
It is logical；Electromagnetism second interface 15, the electromagnetism second interface 15 are connected to the third oil outlet 8；Electromagnetism third interface 16, it is described
Electromagnetism third interface 16 is connect with the third interface 13 of the board-like three-way ball valve 4.
Further, it is designed inside the Solenoid ball valve 3 for ball-valve structure.
Specifically, the Solenoid ball valve 3 is arranged above the valve block ontology 1, and inside is designed for ball-valve structure, each oil
No leakage between mouthful, the Solenoid ball valve 3 include an electromagnet and three interfaces, and the electromagnet is arranged in the Solenoid ball valve
In 3, the working condition of the Solenoid ball valve is controlled by control electromagnet；Electromagnetism first interface 14 goes out with the check valve 2
Mouth connection；Electromagnetism second interface 15 is connected to the third oil outlet 8；Electromagnetism third interface 16 and the board-like three-way ball valve 4
Third interface 13 connect.The Solenoid ball valve 3 uses power loss locking type function, passes through vehicle automatic parking guarantor when must not be electric
Demonstrate,prove vehicle safety.
Board-like three-way ball valve 4, the board-like three-way ball valve 4 are arranged above the valve block ontology 1, and with the electromagnetic ball
Valve 3 is arranged in parallel, while the outlet of the first interface of the board-like three-way ball valve 4 and the check valve 2.
Further, it is designed inside the board-like three-way ball valve 4 for ball-valve structure.
Further, the second interface 12 of the board-like three-way ball valve 4 is connect with the 5th oil outlet 10.
Specifically, the board-like three-way ball valve 4 is arranged above the valve block ontology 1, and flat with the Solenoid ball valve 3
Row setting, at the same it is internal designed for ball-valve structure, guarantee No leakage phenomenon between each hydraulic fluid port, the of the board-like three-way ball valve 4
One interface 11 is connected to the outlet of the check valve 2, electromagnetism first interface 14, forms access；Second interface 12 and setting are in institute
State the 5th oil outlet 10 connection on valve block ontology 1；Third interface 13 is connect with the electromagnetism third interface 16, is connect by difference
Being connected to control the parking situation of vehicle for mouth, guarantees vehicle safety.
Further, the parking valve group further include: the first oil outlet 6, first oil outlet 6 are arranged in the valve block
On ontology 1, and one end is connect with the check valve 2, and the other end is connect with high pressure fuel source；Second oil outlet 7, described second is fuel-displaced
Mouth 7 is arranged on the valve block ontology 1, and one end and the check valve 2 outlet connect, and the other end is connect with high pressure accumulator；The
Three oil outlets 8, the third oil outlet is arranged on the valve block ontology 1, and connect with fuel tank；4th oil outlet 9, described
Four oil outlets are arranged on the valve block ontology 1, and connect with pressure gauge；5th oil outlet 10, the 5th oil outlet setting
On the valve block ontology 1, and it is connect with parking brake.
Further, the parking valve group further include: connector 5, the connector 5 are arranged on oil outlet.
Specifically, the parking valve group is arranged altogether there are five oil outlet, while being both provided with and connecing on each oil outlet
First 5, for connecting the component of the parking valve group and each vehicle, five oil outlets are arranged on the valve block ontology 1,
It is distributed in the surface of the valve block ontology 1, is connect with vehicle related work component, wherein 6 one end of the first oil outlet and the list
It is connected to valve 2, the other end is connect with high pressure fuel source；Second oil outlet, 7 one end is connect with high pressure accumulator, the other end and the list
To the outlet of valve 2 connect, by high pressure fuel source from first oil outlet 6 of the parking valve group enter, flow through the filter core,
Check valve 2, it is oil-filled to the high pressure accumulator by second oil outlet 7；Third oil outlet 8 is connect with fuel tank；4th goes out
Hydraulic fluid port 9 is connect with pressure gauge；5th oil outlet 10 is connect with parking brake, guarantees its normal work.
Embodiment two
For the clearer elaboration present invention, below to the dual-purpose parking valve group of a kind of No leakage formula electric mechanical of the invention
Working principle be illustrated, referring to FIG. 3, specific as follows:
Under nominal situation, the second interface 12 of the board-like three-way ball valve 4 is connected to the third interface 13, vehicle
When parked state, system pipeline be connected to schematic diagram as shown in figure 3, high pressure fuel source from first oil outlet 6 of parking valve group into
Enter, flows through the filter core, the check valve 2, electromagnetic ball oil-filled to accumulator by second oil outlet 7 of parking valve group
Valve 3 not it is electric, the electromagnetism first interface 14 of Solenoid ball valve 3 is not connected to other hydraulic fluid ports, oil circuit cut-off, board-like three-way ball valve
4 first interface 11 is not connected to other hydraulic fluid ports, and oil circuit cut-off, parking brake passes through the institute on the valve block ontology 1
State the 5th oil outlet 10, the second interface 12 of the board-like three-way ball valve 4, the third interface 13, the electricity of Solenoid ball valve 3
Magnetic second interface 15 and the electromagnetism third interface 16 are simultaneously returned connected to it by the third oil outlet 8 of parking valve group
Fuel tank, parking brake no pressure oil stream enters, and is connected to fuel tank, and vehicle is in parking braking state.
Embodiment three
For the clearer elaboration present invention, below to the dual-purpose parking valve group of a kind of No leakage formula electric mechanical of the invention
Working principle when Solenoid ball valve must conduct is illustrated, and please refers to Fig. 3, Fig. 4, specific as follows:
The parking control switch of vehicle is pressed, parking valve group as shown in Figure 4 must conduct oil circuit connection in Solenoid ball valve.
First oil outlet 6 that the valve block ontology 1 is arranged in by connected to it in high pressure fuel source enters, flow through the filter core and
The check valve 2, it is oil-filled to accumulator connected to it by second oil outlet 7 of parking valve group, thus the electromagnetism
Ball valve 3 must be electric, while control of the electromagnet in the Solenoid ball valve 3 by park brake switch, will be described in Solenoid ball valve 3
Electromagnetism first interface 14, the electromagnetism third interface 16 connection, high-voltage oil liquid flow through the electromagnetism by the check valve 2 outlet
The electromagnetism first interface 14 of ball valve 3 and the electromagnetism third interface 16, then flow to third interface 13 and the institute of board-like three-way ball valve 4
Second interface 12 is stated, and is flowed out from the 5th oil outlet 10 of parking valve group, what flow direction was connect with the 5th oil outlet 10
Parking brake releases parking braking, while pressure gauge is connected thereto monitoring by the 4th oil outlet 9 of parking valve group
The pressure of parking brake.
In addition occur to power off operating condition suddenly in vehicle travel process, 3 power loss of Solenoid ball valve makes the Solenoid ball valve
The 3 electromagnetism first interface 14 is connected to the electromagnetism third interface 16 switches to the electromagnetism third interface 16 and the electricity
Magnetic second interface 15 is connected to.Pipeline connection principle fades to Fig. 3, parking brake decompression, vehicle automatic parking by Fig. 4.Exist simultaneously
Emergency case occurs in vehicle travel process, working principle is identical, takes emergency stop switch, and 3 power loss of Solenoid ball valve makes described
The electromagnetism first interface 14 of Solenoid ball valve 3 is connected to the electromagnetism third interface 16 and switches to the electromagnetism third interface 16
It is connected to the electromagnetism second interface 15.Pipeline connection principle fades to Fig. 3, parking brake decompression by Fig. 4, and vehicle is stayed automatically
Vehicle improves the safety of vehicle.
Example IV
The present embodiment releases parking in vehicle trouble to a kind of dual-purpose parking valve group of No leakage formula electric mechanical manually
Working principle is illustrated, referring to FIG. 5, specific as follows:
In vehicle trouble operating condition, when the Solenoid ball valve 3 can not work normally, the board-like three-way ball valve 4 is operated by institute
The first interface 11 for stating board-like three-way ball valve 4 is connected to the second interface 12, and manual releasing as shown in Figure 5 at this time is stayed
The oil communication schematic diagram of vehicle valve group, high pressure fuel source from first oil outlet 6 of parking valve group enter, flow through the filter core and
The check valve 2, it is oil-filled to accumulator by second oil outlet 7 of parking valve group, simultaneously flow through operation described board-like three
The first interface 11 and the second interface 12 of pass ball valve 4, and flowed out from the 5th oil outlet 10 of parking valve group, stream
To parking brake, release parking braking, while pressure gauge is connected thereto prison by the 4th oil outlet 9 of parking valve group
Survey the pressure of parking brake.Reach in vehicle trouble, when parking electronic control system can not work, parking can be released manually
Braking improves the technical effect of vehicle maintenance.
The technical solution provided in the embodiment of the present application, has at least the following technical effects or advantages:
1, in a kind of dual-purpose parking valve group of No leakage formula electric mechanical provided in an embodiment of the present invention, the parking valve group packet
It includes: valve block ontology；The check valve of oil liquid one-way flow is controlled, the check valve is arranged in the valve block ontology, and, the list
It is consistent with the direction that oil liquid flows into the valve block ontology to valve setting direction；Filter core, the filter core are arranged in the valve block ontology
Between the check valve；Solenoid ball valve, the Solenoid ball valve are arranged above the valve block ontology, and with the check valve
Outlet；Board-like three-way ball valve, the board-like three-way ball valve are arranged above the valve block ontology, and with the Solenoid ball valve
It is arranged in parallel, while the outlet of the first interface of the board-like three-way ball valve and the check valve.Solves the prior art
Parking braking system, which need to be operated, when failure in middle electric vehicle operation makes vehicle braking, cannot achieve the function that braking automatically engages
Can, reach parking braking system and automatically engaged, parking braking system and high-tension system linkage control improve vehicle safety
Can, if vehicle trouble, when parking electronic control system can not work, parking braking can be released manually, improves vehicle maintenance
Technical effect.
2, pass through the parking valve group in the embodiment of the present application further include: the first oil outlet, the first oil outlet setting
On the valve block ontology, and one end is connect with the check valve, and the other end is connect with high pressure fuel source；Second oil outlet, it is described
Second oil outlet is arranged on the valve block ontology, and one end is connect with the one-way valved outlet, and the other end and high pressure accumulator connect
It connects；Third oil outlet, the third oil outlet is arranged on the valve block ontology, and connect with fuel tank；4th oil outlet, it is described
The setting of 4th oil outlet is connect on the valve block ontology, and with pressure gauge；5th oil outlet, the 5th oil outlet setting exist
On the valve block ontology, and it is connect with parking brake.It needs to operate when solving failure in electric vehicle operation in the prior art
Parking braking system makes vehicle braking, cannot achieve the technical issues of braking automatically engages, and it is automatic to have reached parking braking system
Investment, parking braking system and high-tension system linkage control, improve the technical effect of vehicle safety performance.
3, in the embodiment of the present invention by being designed inside the Solenoid ball valve for ball-valve structure.Solves hydraulic fluid port oil liquid leakage
The technical issues of, reach the technical effect of No leakage between each hydraulic fluid port of parking valve group.
4, in the embodiment of the present invention by being designed inside the board-like three-way ball valve for ball-valve structure.Solves hydraulic fluid port oil liquid
The technical issues of leakage, has reached the technical effect of No leakage between each hydraulic fluid port of parking valve group.
5, it is connect by the second interface of the board-like three-way ball valve with the 5th oil outlet in the embodiment of the present invention.It reaches
If having arrived vehicle trouble, when parking electronic control system can not work, parking braking can be released manually, improves vehicle maintenance
Technical effect.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of dual-purpose parking valve group of No leakage formula electric mechanical, which is characterized in that the parking valve group includes:
Valve block ontology；
The check valve of oil liquid one-way flow is controlled, the check valve is arranged in the valve block ontology, and, the check valve setting
Direction is consistent with the direction that oil liquid flows into the valve block ontology；
Filter core, the filter core are arranged between the valve block ontology and the check valve；
Solenoid ball valve, the Solenoid ball valve is arranged above the valve block ontology, and the outlet with the check valve；
Board-like three-way ball valve, the board-like three-way ball valve are arranged above the valve block ontology, and parallel with the Solenoid ball valve
Setting, while the outlet of the first interface of the board-like three-way ball valve and the check valve；
The parking valve group further include: the first oil outlet, first oil outlet are arranged on the valve block ontology, and one end with
The check valve connection, the other end are connect with high pressure fuel source；Second oil outlet, second oil outlet are arranged in the valve block sheet
On body, one end is connect with the one-way valved outlet, and the other end is connect with high pressure accumulator；Third oil outlet, the third are fuel-displaced
Mouth is arranged on the valve block ontology, and connect with fuel tank；4th oil outlet, the 4th oil outlet are arranged in the valve block sheet
On body, and it is connect with pressure gauge；5th oil outlet, the 5th oil outlet are arranged on the valve block ontology, and with parking system
Dynamic device connection；
The Solenoid ball valve includes: electromagnet, and the electromagnet is arranged in the Solenoid ball valve；Electromagnetism first interface, it is described
Electromagnetism first interface is connected to the first interface of the one-way valved outlet, board-like three-way ball valve；Electromagnetism second interface, the electromagnetism
Second interface is connected to the third oil outlet；Electromagnetism third interface, the electromagnetism third interface and the board-like three-way ball valve
Third interface connection.
2. parking valve group as described in claim 1, which is characterized in that the parking valve group further include:
Connector, the connector are arranged on oil outlet.
3. parking valve group as described in claim 1, which is characterized in that designed inside the Solenoid ball valve for ball-valve structure.
4. parking valve group as described in claim 1, which is characterized in that set inside the board-like three-way ball valve for ball-valve structure
Meter.
5. parking valve group as described in claim 1, which is characterized in that the second interface of the board-like three-way ball valve and described the
The connection of five oil outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711322495.XA CN108032854B (en) | 2017-12-12 | 2017-12-12 | A kind of dual-purpose parking valve group of No leakage electric mechanical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711322495.XA CN108032854B (en) | 2017-12-12 | 2017-12-12 | A kind of dual-purpose parking valve group of No leakage electric mechanical |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108032854A CN108032854A (en) | 2018-05-15 |
| CN108032854B true CN108032854B (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711322495.XA Active CN108032854B (en) | 2017-12-12 | 2017-12-12 | A kind of dual-purpose parking valve group of No leakage electric mechanical |
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| US5904228A (en) * | 1996-08-09 | 1999-05-18 | Case Corporation | Brake control system and related method |
| EP2821303B1 (en) * | 2013-07-05 | 2016-09-14 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Electro-pneumatic parking brake |
| CN103359097A (en) * | 2013-07-18 | 2013-10-23 | 杭叉集团股份有限公司 | Hydraulic braking system of large-tonnage electric fork-lift truck |
| CN106184178A (en) * | 2016-08-26 | 2016-12-07 | 林德（中国）叉车有限公司 | Hydraulic pressure automatic parking system |
| CN206049646U (en) * | 2016-08-30 | 2017-03-29 | 安徽合力股份有限公司 | The brakes of large-tonnage storage battery forktruck |
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2017
- 2017-12-12 CN CN201711322495.XA patent/CN108032854B/en active Active
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