CN207607486U - Automatically controlled relay valve with bilateral one-way function - Google Patents
Automatically controlled relay valve with bilateral one-way function Download PDFInfo
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- CN207607486U CN207607486U CN201721742343.0U CN201721742343U CN207607486U CN 207607486 U CN207607486 U CN 207607486U CN 201721742343 U CN201721742343 U CN 201721742343U CN 207607486 U CN207607486 U CN 207607486U
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Abstract
The utility model discloses the automatically controlled relay valves with bilateral one-way function, including upper valve body, lower valve body and solenoid valve, lower valve body connects the bottom end of upper valve body, piston, inclined hole, seal plug and bilateral one-way piston are equipped in upper valve body, solenoid valve is externally provided with electromagnetism valve bonnet, and movable valve plug and quiet spool are equipped in solenoid valve, and the upper end of upper valve body is equipped with valve nozzle, the top of the solenoid valve and upper valve body is fixed, and movable valve plug is corresponding with valve nozzle position；Lower valve body is equipped with the first gas port and the second gas port, and upper valve body is equipped with third gas port；One end in inclined hole is equipped with steel ball, and the first gas port is connected to inclined hole and the second gas port respectively, and inclined hole is also connected to valve nozzle, and third gas port is connected to bilateral one-way piston.Double-way check valve is arranged in upper valve body the utility model, is easy to implement both conventional brake and electric control braking gas circuit arrangement, improves integrated level, more optimized structure.
Description
Technical field
The utility model is related to a kind of commercial car switch valve more particularly to a kind of automatically controlled servos with bilateral one-way function
Valve.
Background technology
Currently, electronic brake system (EPB:Electrical Park Brake) refer to by facing in driving conditions
Long when property braking function after when property is braked and stopped combines, and the skill of stopping brake is realized by electronic control mode
Art.Automobile automatic collision avoidance system (automatic bump-shielded system of the automobile), is to prevent
A kind of intelligent apparatus that automobile collides.It can have found that it is likely that automatically the vehicle to collide with automobile, pedestrian or other
Obstructing objects send out alarm or take braking simultaneously or evade the measures of grade, generation to avoid collision.
ESC full name Electronic Speed Controller, are body electronics stabilitraks.Automotive electronics
Stabilizing control system is the novel active safety system of vehicle, is anti-lock braking system in automobiles (ABS) and polling power controlling system
System (TCS) function further expands, and on this basis, increasing Vehicular turn, yaw rate sensor, direction finding add when driving
Velocity sensor and steering wheel angle sensor, the driving force and brake force of wheel around being controlled by ECU, it is ensured that vehicle
Traveling lateral stability.The system is made of sensor, electronic control unit (ECU) and actuator three parts, is passed through
Electronic control unit monitors motoring condition, and engine and braking system to vehicle carry out intervention control.Typical automobile
Electronic stabilizing control system includes mainly 4 wheel speed sensors, wheel steering angle transducer, side acceleration on a sensor
Sensor etc., execution part include then Conventional braking systems (vacuum booster, pipeline and brake), fluid pressure governor etc., electricity
Sub-control unit links with engine management system, can be exported to engine power and be intervened and adjusted.
This set system mainly controls longitudinal direction of car and lateral stability, ensures consciousness row of the vehicle according to driver
It sails.The system can cooperate with Engine ECU, when driving wheel skids by comparing the rotating speed of each wheel, electronic system
Judge whether driving wheel skids, at once automatically reduce throttle inflow amount, reduce engine speed to reduce power output,
The driving wheel of skidding is braked.Skidding can be reduced in this way and keeps most suitable dynamic between tire and ground grip
Power exports, at this time no matter how oil supply, slipping phenomenon will not all occur for driving wheel.
The system is embodied in terms of ensureing lateral stability of cars when system is passed by rotary angle transmitter, transverse acceleration
The signal discovery vehicle of sensor and wheel speed sensors have occurred understeer or it is excessive when, system can control single or multiple vehicles
Wheel braked, to adjust automobile changing Lane or body gesture when excessively curved, make automobile changing Lane or it is excessively curved when
It can be more steady and safe.
But existing technology has the following defects：
Three of the above electronic control system is required to realize the purpose of braking by executing agency, at present in commercial car
In air braking system, executing agency is generally used as by the split type scheme of double-way check valve+ASR valves+relay valve to realize electricity
The dynamic purpose of control, double-way check valve selects for realizing artificial braking and the switching of automatically controlled automatic braking, due to automobile chassis
Space it is limited, then mean to need to connect using tracheae between each section using split type scheme, i.e., to occupy more
Space, while split type scheme processing cost also can be higher than integrated structure；In addition, ASR valves only have boosting and decompression work(
Can, without pressure holding function, and AEBS systems with ESC system in braking, need to export according to a specific ratio, at this moment ASR valves are just
The functional requirement of ratio output cannot be met, in addition, for existing double-way check valve currently on the market+have the function of switch valve
Common electrically-controlled valve, no relay valve function, since air inlet/outlet is to directly control, the latus rectum of gas circuit is smaller, it is possible to provide gas
Measure it is limited, when for needing to enable emergency braking function, it is easy to cause brake force insufficient.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of with bilateral one-way function
Automatically controlled relay valve, integrated level are high, it can be achieved that supercharging, decompression and pressure holding function.
The purpose of this utility model adopts the following technical scheme that realization：
Automatically controlled relay valve with bilateral one-way function, including upper valve body, lower valve body and solenoid valve, lower valve body connect upper valve
The bottom end of body, upper valve body is interior to be equipped with piston, inclined hole, seal plug and bilateral one-way piston, and solenoid valve is externally provided with electromagnetism valve bonnet, electromagnetism
It is equipped with movable valve plug and quiet spool in valve, the upper end of upper valve body is equipped with valve nozzle, and the top of the solenoid valve and upper valve body is fixed, and dynamic
Spool is corresponding with valve nozzle position；Lower valve body is equipped with the first gas port and the second gas port, and upper valve body is equipped with third gas port；In inclined hole
One end be equipped with steel ball, the first gas port be connected to inclined hole and the second gas port respectively, and inclined hole also be connected to valve nozzle, third gas port and pair
Logical one-way piston connection.
Further, further include the exhaust holder assembly being located at below piston, which includes exhaust seat, compression bullet
Spring, seal plug baffle ring and clamp spring, the exhaust seat are fixed in lower valve body, and compressed spring is set in the periphery of exhaust seat, described
Seal plug is arranged at the top of compressed spring, and is set in the periphery of compressed spring；The seal plug baffle ring is set in exhaust seat
Periphery, and positioned at seal plug top and abutted with seal plug；The clamp spring is set in the periphery of exhaust seat, and positioned at sealing
Stop up the top of circle and is abutted with seal plug baffle ring.
Further, further include noise reduction seat, which is connected to the bottom of exhaust seat.
Further, further include being vented catch, which is fixed on the bottom of noise reduction seat by lock-screw.
Further, third gas port is equipped with the dust cover for closing the third gas port.
Further, the one end of the bilateral one-way piston outwardly is connected with cap, the periphery set of the bilateral one-way piston
Equipped with piston sheath.
Compared with prior art, the beneficial effects of the utility model are：
(1) double-way check valve is arranged in upper valve body, is easy to implement both conventional brake and electric control braking gas circuit arrangement, carries
High integration, more optimized structure；
(2) automatically controlled gas air source increases inclined hole design both from the air inlet of lower valve body, avoids more designs one well
For road air inlet as automatically controlled gas air source, the main inlet air source for realizing lower valve body is shared, optimizes structure, reduces processing and assembly
Cost；
(3) by the structure design of movable valve plug in solenoid valve and quiet spool, it can be achieved that supercharging, decompression, pressure holding function.
Description of the drawings
Fig. 1 is the fractionation structure chart of the automatically controlled relay valve with bilateral one-way function of the utility model；
Fig. 2 is the sectional view of the automatically controlled relay valve with bilateral one-way function of the utility model；
Fig. 3 is another sectional view of the automatically controlled relay valve with bilateral one-way function of the utility model；
Fig. 4 is the another sectional view of the automatically controlled relay valve with bilateral one-way function of the utility model.
In figure：1, upper valve body；2, lower valve body；3, piston；4, inclined hole；5, seal plug；6, bilateral one-way piston；7, electromagnetism
Valve；71, electromagnetism valve bonnet；72, movable valve plug；73, quiet spool；8, valve nozzle；9, exhaust seat；10, compressed spring；11, seal plug baffle ring；
12, clamp spring；13, noise reduction seat；14, it is vented catch；15, dust cover；16, cap；17, piston sheath；18, steel ball；19, inclined hole.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figures 1 to 4, the utility model provides a kind of automatically controlled relay valve with bilateral one-way function, including upper
Valve body 1, lower valve body 2 and solenoid valve 7, lower valve body 2 connect the bottom end of upper valve body 1, piston 3, inclined hole 4, sealing are equipped in upper valve body 1
5 and bilateral one-way piston 6 are blocked up, movable valve plug 72 and quiet spool 73 are equipped in solenoid valve 7, the upper end of upper valve body 1 is equipped with valve nozzle 8, institute
It states solenoid valve 7 and the top of upper valve body 1 is fixed, and movable valve plug 72 is corresponding with 8 position of valve nozzle；The outside of solenoid valve 7 is equipped with electromagnetism
Valve bonnet 71.Lower valve body 2 is equipped with the first gas port a and the second gas port b, and upper valve body 1 is equipped with third gas port c；One end in inclined hole 4
Equipped with steel ball 18, the first gas port a is connected to inclined hole 4 and the second gas port b respectively, and inclined hole 4 is also connected to valve nozzle 8, third gas port c with
Bilateral one-way piston 6 is connected to.
In routinely braking, when brake pedal, vehicle often has the gas in air pipe direct by third gas port c
Into the epicoele of piston 3, piston 3 is pushed to move downward, piston 3 pushes seal plug 5 to move downward, and make the first gas port a often has
Gas enters brake cylinder through the second gas port b, and to realize conventional brake, this process is that people is needed to pass through brake pedal to drive this
Actuating mechanism assembly.
It is obstructed remarkable when this executing agency valve body assembly is for ESC system, EPB systems or when AEBS systems
Come what is driven, the ECU of system realizes braking automatically by receiving the signals such as various excellent sensors or button switch.When in
When ESC system, ECU is by signals such as the steering angle sensors, acceleration transducer, wheel speed sensors that receive the system, automatically
Brake force required for calculating, controls the solenoid valve of this executing agency, makes the first gas for often having the gas in air pipe through lower valve body 2
The inclined hole 4 of mouth a and upper valve body 1 enters the other side of double-way check valve structure, pushes bilateral one-way piston 6 toward third gas port c
Direction moves, and gas is prevented to be discharged from third gas port c, and hence into the epicoele of piston 3, push piston 3 moves downward movement, realizes
Brake, the path profile of gas is as shown in the arrow of Fig. 2 and Fig. 4.When it is AEBS systems that system, which changes into, then ECU receives laser and visits
The signals such as head, millimeter wave probe, camera, in conjunction with wheel speed sensors, the automatic safe distance for calculating front obstacle, control electricity
Magnetic acts, this executing agency is driven to export corresponding brake force.If change into for EPB systems when, ECU pass through CAN functions, read
The corresponding signal of engine, or by artificially pressing parking button, drive magnetic valve work 7 is made, and drives this executing agency defeated
Go out corresponding brake force.
Preferably, further including the exhaust holder assembly for being located at 3 lower section of piston, which includes exhaust seat 9, compression
Spring 10, seal plug baffle ring 11 and clamp spring 12, the exhaust seat 9 are fixed in lower valve body 2, and compressed spring 10 is set in exhaust seat
9 periphery, the seal plug 5 are arranged at the top of compressed spring 10, and are set in the periphery of compressed spring 10；The seal plug
Baffle ring 11 is set in the periphery of exhaust seat 9, and abuts positioned at the top of seal plug 5 and with seal plug 5；The clamp spring 12 is set in
The periphery of exhaust seat 9, and abut positioned at the top of seal plug baffle ring 11 and with seal plug baffle ring 11.
Preferably, further including noise reduction seat 13, which is connected to the bottom of exhaust seat 9.
Further include exhaust catch 14, which is fixed on by lock-screw disappears as preferred embodiment
The bottom of sound seat 13.
As preferred embodiment, third gas port c is equipped with the dust cover 15 for closing third gas port c, prevents dirt, water
Deng enter third gas port.
As preferred embodiment, the one end of the bilateral one-way piston 6 outwardly is connected with cap 16, and the bilateral is unidirectional
The periphery of piston 6 is arranged with piston sheath 17, is effectively protected to bilateral one-way piston 6.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (6)
1. the automatically controlled relay valve with bilateral one-way function, which is characterized in that including upper valve body, lower valve body and solenoid valve, lower valve
Body connects the bottom end of upper valve body, and being equipped with piston, inclined hole, seal plug and bilateral one-way piston, solenoid valve in upper valve body is externally provided with electricity
Magnet valve cover, solenoid valve is interior to be equipped with movable valve plug and quiet spool, and the upper end of upper valve body is equipped with valve nozzle, the top of the solenoid valve and upper valve body
End is fixed, and movable valve plug is corresponding with valve nozzle position；Lower valve body is equipped with the first gas port and the second gas port, and upper valve body is equipped with third
Gas port；One end in inclined hole is equipped with steel ball, and the first gas port is connected to inclined hole and the second gas port respectively, and inclined hole is also connected to valve nozzle,
Third gas port is connected to bilateral one-way piston.
2. automatically controlled relay valve as described in claim 1, which is characterized in that further include the exhaust holder assembly being located at below piston,
The exhaust holder assembly includes exhaust seat, compressed spring, seal plug baffle ring and clamp spring, and the exhaust seat is fixed in lower valve body, pressure
Contracting spring is set in the periphery of exhaust seat, and the seal plug is arranged at the top of compressed spring, and is set in the outer of compressed spring
It encloses；The seal plug baffle ring is set in the periphery of exhaust seat, and abuts positioned at the top of seal plug and with seal plug；The clamp spring
It is set in the periphery of exhaust seat, and is abutted positioned at the top of seal plug baffle ring and with seal plug baffle ring.
3. automatically controlled relay valve as claimed in claim 2, which is characterized in that further include noise reduction seat, which is connected to exhaust
The bottom of seat.
4. automatically controlled relay valve as claimed in claim 3, which is characterized in that further include exhaust catch, which passes through lock
Tight screw is fixed on the bottom of noise reduction seat.
5. automatically controlled relay valve as described in claim 1, which is characterized in that third gas port, which is equipped with, closes the anti-of the third gas port
Dust hood.
6. automatically controlled relay valve as described in claim 1, which is characterized in that the one end of the bilateral one-way piston outwardly is connected with cap
Lid, the periphery of the bilateral one-way piston is arranged with piston sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742343.0U CN207607486U (en) | 2017-12-11 | 2017-12-11 | Automatically controlled relay valve with bilateral one-way function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742343.0U CN207607486U (en) | 2017-12-11 | 2017-12-11 | Automatically controlled relay valve with bilateral one-way function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207607486U true CN207607486U (en) | 2018-07-13 |
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ID=62798815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721742343.0U Active CN207607486U (en) | 2017-12-11 | 2017-12-11 | Automatically controlled relay valve with bilateral one-way function |
Country Status (1)
| Country | Link |
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| CN (1) | CN207607486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082168A (en) * | 2017-12-11 | 2018-05-29 | 广州瑞立科密汽车电子股份有限公司 | Automatically controlled relay valve with bilateral one-way function |
-
2017
- 2017-12-11 CN CN201721742343.0U patent/CN207607486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082168A (en) * | 2017-12-11 | 2018-05-29 | 广州瑞立科密汽车电子股份有限公司 | Automatically controlled relay valve with bilateral one-way function |
| CN108082168B (en) * | 2017-12-11 | 2024-06-25 | 广州瑞立科密汽车电子股份有限公司 | Electric control relay valve with double-way unidirectional function |
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