CN105422961B - For the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes - Google Patents
For the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes Download PDFInfo
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- CN105422961B CN105422961B CN201510917574.XA CN201510917574A CN105422961B CN 105422961 B CN105422961 B CN 105422961B CN 201510917574 A CN201510917574 A CN 201510917574A CN 105422961 B CN105422961 B CN 105422961B
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- Prior art keywords
- pneumatic
- coil
- pole shoe
- valve body
- big flow
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Abstract
The present invention relates to pneumatic AMT gearboxes solenoid valve, the pneumatic dual-coil electromagnetic valve of big flow of more particularly, to pneumatic AMT gearboxes belongs to technical field of automobile parts.The bivalve assembly formed including jack assemblies and by two single valves；The jack assemblies are formed by socket 1, the bolt being moulded in the socket 2；The single valve includes valve body 12, it is riveted on the nozzle 13 of 12 one end of valve body, with valve body 12 by being pressed the coil housing 9 for closing up and being fixed, coil block 7 in coil housing 9, armature component 11, spring 10, armature pipe 8, the pole shoe 6 being arranged in the coil block endoporus, the head cover 5 with 6 outer end riveting of pole shoe.The present invention has that flow is big, starts low voltage, good airproof performance and high reliability, is matched in pneumatic AMT transmission systems, and Chinese Autonomous Vehicle is made to integrate with international market.
Description
Technical field
The present invention relates to pneumatic AMT gearboxes solenoid valve, the big flow of more particularly, to pneumatic AMT gearboxes is pneumatically double
Solenoid valve belongs to technical field of automobile parts.
Background technology
From the point of view of the development history of automobile, driver comfort, controllability, dynamic property and economy are all that automobile needs to consider
Principal element.With the continuous development of China's AMT technical merits, the AMT gearboxes for improving driver comfort have been opened
Begin gradually to be mounted on full-sized car, and passed through a large amount of verification experimental verification, pneumatic type AMT full-sized cars have good power
Property and economy.Control valve of the solenoid valve as pneumatic AMT gearboxes, controls the switching of gearbox high to low gear, and quality is straight
The comfort that decide automotive performance, controllability, dynamic property and economy are connect, importance is self-evident.
At present, the pneumatic AMT gearboxes battery valve that automobile uses is single valve structure, is had the following disadvantages：First, gas
Body circulation aperture is small, causes flow small, be easy to cause throttling；Second, electromagnetic force increases with the reduction of stroke, i.e. electromagnetic force
With stroke inversely, the abrasion of part leads to becoming larger for solenoid travel during use, starts when solenoid travel is big
Overtension is crushed so as to cause the gasket of solenoid valve armature component, influences the performance and service life of solenoid valve；Third,
It is contacted between air inlet section, control section and exhaust section for metal, there is that abrasion is big, corrosion resistance is poor, lead to poor sealing, can
By property is low, service life is short；4th, impurity treatment is not taken at air inlet, and impurity is easily accessible in solenoid valve, influences solenoid valve
Normal work；5th, to ensure to reach requirement flow, solenoid valve requirement on machining accuracy is high, complex process, leads to production cost
It is high.
Invention content
In view of the foregoing defects the prior art has, the present invention is intended to provide one kind has, flow is big, it is low, close to start voltage
The pneumatic dual-coil electromagnetic valve of big flow for pneumatic AMT gearboxes that envelope property is good, reliability is high, at low cost.
To achieve these goals, the present invention is formed using following technical scheme including jack assemblies and by two single valves
Bivalve assembly；
The jack assemblies are formed by socket 1, the bolt being moulded in the socket 2；
The single valve includes valve body 12, is riveted on the nozzle 13 of 12 one end of valve body, is carried out with valve body 12 by being pressed to close up
Fixed coil housing 9, the coil block 7 in coil housing 9, armature component 11, the bullet being arranged in the coil block endoporus
Spring 10, armature pipe 8, pole shoe 6, the head cover 5 with 6 outer end riveting of pole shoe；
The bivalve assembly passes through closing in connection structure by the coil housing 9 of two single valves with being bonded with the installing plate 3 of rubber pad 4
Into；
The armature component 11 and 6 end face of pole shoe are using W-shaped structure, the rubber gasket and nozzle at 11 both ends of armature component
13 and pole shoe 6 contact.
The jack assemblies and bivalve assembly are fixed by cross recessed pan head tapping screw 18.
The air inlet of the nozzle 13 is provided with strainer 14.
The valve body 12, coil housing 9, head cover 5 and 3 surface of installing plate are color zinc coating.
Gap between armature component 11 and pole shoe 6 is 0.85mm~0.95mm, and HNBR is inoculated in armature component 11.
Beneficial effects of the present invention are as follows：
First, strainer is provided at nozzle air inlet, prevents impurity from entering in solenoid valve, so as to ensure that solenoid valve can be just
Often work.
Second, it is contacted using the rubber in armature component with nozzle and pole shoe, i.e., the nonmetallic contact with metal, and control
The seal band of nozzle and pole shoe processed ensures annulus gasket factor not less than 1.8 times, so as to ensure sealing requirements, Er Qieneng
Enough avoiding the abrasion of part during use leads to becoming larger for solenoid travel, while causes solenoid valve hitting during the work time
It hits as Elastic Impact, so as to ensure service life requirement, machining accuracy and technique are also relatively easy, save production cost.
Third, the exterior part of the solenoid valves such as valve body, coil housing, head cover, installing plate, surface take zinc electroplating with iridescent yellow chromate conversion coating to handle, and protect
Demonstrate,prove the corrosion resistance during solenoid valve use.
4th, the armature component of solenoid valve and pole shoe end face are using W structures, the electromagnetic force in defined operating voltage range
Reduce with the reduction of stroke, i.e. electromagnetic force and stroke is proportional, effectively solves to start voltage when solenoid travel is big
The problem of excessively high, ensure that the service life of solenoid valve；By reducing having for magnetic field force while working gas gap is gradually reduced
It imitates area pattern and reduces electromagnetic force, so that the electromagnetic force of solenoid valve is directly proportional to the working gas gap of armature component and pole shoe, have
Effect prevents gasket sizing material to be crushed.
5th, the connection of jack assemblies and bivalve assembly is installed using cross recess tapping screw flange form, detachable,
Maintainability is good.
6th, solenoid valve is by coil energization and power operation, realizing the two-bit triplet of solenoid valve, giving AMT gearboxes
System provides big flow compressed air.
In conclusion the present invention has, flow is big, starts low voltage, good airproof performance and high reliability, by it
Pneumatic AMT transmission systems are matched in, Chinese Autonomous Vehicle is made to integrate with international market.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is gas channel sealed structural representation；
In figure：Socket 1, bolt 2, installing plate 3, rubber pad 4, head cover 5, pole shoe 6, coil block 7, armature pipe 8, coil housing
9th, spring 10, armature component 11, valve body 12,13 strainer 14 of nozzle, air inlet 15, control mouth 16, exhaust outlet 17, cross recess coiled hair
Tapping screw 18.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
As shown in Figure 1 and 2, for the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes, including jack assemblies and by two
The bivalve assembly that a single valve is formed；The bivalve assembly is mainly the circulation path of compressed air.
Jack assemblies are formed by socket 1, the bolt being moulded in the socket 2；It produces assembling process：First by bolt I,
Bolt II, bolt III are by being arranged in socket 1, then with 1 injection molding of socket, then by sealing ring be packed into socket 1 it is close
In seal card slot, jack assemblies are formed.
Single valve includes valve body 12, is riveted on the nozzle 13 of 12 one end of valve body, is fixed with valve body 12 by being pressed to close up
Coil housing 9, the coil block 7 in coil housing 9, be arranged on armature component 11 in the coil block endoporus, spring 10,
Armature pipe 8, pole shoe 6, the head cover 5 with 6 outer end riveting of pole shoe.
Bivalve assembly is connected and composed by the coil housing 9 of two single valves with being bonded with the installing plate 3 of rubber pad 4 by closing up；
It produces assembling process：First nozzle 13 is fitted into valve body 12, happy Thailand 326 is coated on the contact surface of the two, strainer 14 is filled
Enter in nozzle 13, and riveted, coil housing 9 and valve body 12 are subjected to closing in fixation, by coil block 7, armature component 11, O
Shape circle, armature pipe 8, pole shoe 6, is fitted into the endoporus of coil block 7 spring 10 in order, then carries out head cover 5 and pole shoe 6
Riveting forms a single valve, and the coil housing 9 of two single valves and installing plate 3 then are carried out closing in fixation, finally glue rubber pad 4
It is connected on installing plate 3, and loads onto O-ring on valve body 12 and form bivalve assembly；Bivalve assembly must be tested in assembling process
The stroke of solenoid valve, and by the end face of reconditioning pole shoe 6 to ensure stroke, while ensure solenoid valve by adjusting stroke size
Inductance requirement.
Pole shoe 6, armature component 11, valve body 12, nozzle 13 form the main circulation path of compressed air；Pass through armature component
Whether 11 contact with nozzle 13 and pole shoe 6, air inlet 15, control mouth 16 and exhaust outlet 17 are kept apart；It is sprayed by controlling
The size and precision of the endoporus critical size of mouth 13 and pole shoe 6 ensures traffic requirement；It is needed while stroke size is adjusted
To consider the matching problem of spring 10, to ensure that solenoid valve can be opened reliably, solenoid valve electromagnetic force required when opening should not
1.5 times of resultant force suffered by armature component 11 when being powered off less than solenoid valve, the resultant force that armature component 11 is subject to during power-off are spring
10 elastic force and compressed air acts on the atmospheric pressure on 11 end face of armature component, ensures the cut-in voltage requirement of solenoid valve, together
When solenoid valve power off when under the gas pressure of 0.55MPa ensure solenoid valve will not open.
The armature component 11 and 6 end face of pole shoe are using W-shaped structure, the rubber gasket and nozzle at 11 both ends of armature component
13 and pole shoe 6 contact, i.e., the nonmetallic contact with metal, and control the seal band of nozzle 13 and pole shoe 6 ensure annulus sealing
Coefficient is not less than 1.8 times, so as to ensure sealing requirements, while the shock of solenoid valve during the work time is hit for elasticity
It hits, so as to ensure service life requirement；Pneumatic dual-coil electromagnetic valve electromagnetic force subtracting with stroke in defined operating voltage range
Small and reduce, i.e. electromagnetic force and stroke is proportional, effectively solves the problems, such as startup overtension when solenoid travel is big, together
When electromagnetic force when can control the armature to be attracted so as to control the size realization principles of sealing force to be：The structure design of pole shoe is adopted
With W-shaped structure, with being gradually reduced for stroke, the distinctive W structures of pole shoe can cause electromagnetic force also with reduction；The electromagnetism
The design of valve interior sealing is sealed using metal and nonmetallic i.e. hard parts and the Elastic Contact of rubber parts, the benefit of this design
Have：During the use of solenoid valve, the effect of power can cause armature component to be hit with pole shoe and nozzle, and use metal with it is non-
The Elastic Contact of metal, as long as suitable rubber material is selected to be to ensure that the service life of solenoid valve；Due to the present invention's
Pneumatic dual-coil electromagnetic valve is applied to hypobaric, at the same air-tightness is required it is very high, therefore select using metal with it is nonmetallic
Elastic packing, on the one hand can avoid the abrasion of part during use leads to becoming larger for solenoid travel, so as to cause product
A series of performance change；The machining accuracy and technique of another aspect soft seal part are also relatively easy, and section is reached from design
About cost.
Jack assemblies and bivalve assembly are fixed by cross recessed pan head tapping screw 18, form pneumatic dual-coil electromagnetic valve, dimension
It repaiies conveniently.
Impurity enters pollution solenoid valve in solenoid valve in order to prevent, solenoid valve normal work is influenced, in the air inlet of nozzle 13
One stainless steel wire strainer 14 is installed at mouthful.
For the corrosion resistance during guarantee solenoid valve use, valve body 12, coil housing 9, head cover 5 and 3 surface of installing plate are
Carry out zinc electroplating with iridescent yellow chromate conversion coating processing.
In order to ensure the characteristic of solenoid valve big flow, the gap between armature component 11 and pole shoe 6（Stroke）For 0.85mm
~0.95mm is inoculated with HNBR in armature component 11.
The operation principle of the present invention：Pneumatically consolidated by the way of flange installation between dual-coil electromagnetic valve and AMT transmission systems
It is fixed, and pass through plug and give solenoid valve power on/off.Pneumatic dual-coil electromagnetic valve is mainly by two identical single solenoid valve blocks into two single electric
One solenoid valves when magnet valve works, another power-off.During coil no power, atmospheric pressure is less than the spring force of spring 10, makes
The rubber gasket of armature component 11 is pressed into contact with nozzle 13, and air inlet 15 and control mouth 16, exhaust outlet 17 are obstructed at this time, control
Donsole 16 is connected with exhaust outlet 17；When coil is powered, the sum of electromagnetic force and atmospheric pressure for acting on armature component 11 are more than bullet
The spring force of spring 10, the rubber gasket and pole shoe 6 for making armature component 11 are pressed into contact with, and air inlet 15 connects with control mouth 16 at this time
Logical, exhaust outlet 17 and air inlet 15, control mouth 16 are obstructed.Therefore, solenoid valve of the invention is grasped by being powered and powering off to coil
Make, realize the two-bit triplet of solenoid valve, big flow compressed air is provided to AMT transmission systems.
Claims (5)
1. for the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes, it is characterised in that：Including jack assemblies and by two lists
The bivalve assembly that valve is formed；
The jack assemblies are by socket（1）, the bolt that is moulded in the socket（2）It forms；
The single valve includes valve body（12）, it is riveted on valve body（12）The nozzle of one end（13）, with valve body（12）It is closed up by being pressed
The coil housing being fixed（9）, positioned at coil housing（9）Interior coil block（7）, the armature that is arranged in the coil block endoporus
Component（11）, spring（10）, armature pipe（8）, pole shoe（6）, with pole shoe（6）The head cover of outer end riveting（5）；
The bivalve assembly by two single valves coil housing（9）With being bonded with rubber pad（4）Installing plate（3）It is connected by closing up
It forms；
The armature component（11）And pole shoe（6）End face uses W-shaped structure, armature component（11）The rubber gasket at both ends and spray
Mouth（13）And pole shoe（6）Contact.
2. the big flow pneumatic dual-coil electromagnetic valve according to claim 1 for pneumatic AMT gearboxes, it is characterised in that：Institute
It states jack assemblies and bivalve assembly passes through cross recessed pan head tapping screw（18）It is fixed.
3. the big flow pneumatic dual-coil electromagnetic valve according to claim 1 or 2 for pneumatic AMT gearboxes, it is characterised in that：
The nozzle（13）Air inlet be provided with strainer（14）.
4. the big flow pneumatic dual-coil electromagnetic valve according to claim 3 for pneumatic AMT gearboxes, it is characterised in that：Institute
State valve body（12）, coil housing（9）, head cover（5）And installing plate（3）Surface is color zinc coating.
5. the big flow pneumatic dual-coil electromagnetic valve according to claim 4 for pneumatic AMT gearboxes, it is characterised in that：Rank
Iron component（11）With pole shoe（6）Between gap for 0.85mm~0.95mm, armature component（11）In be inoculated with HNBR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917574.XA CN105422961B (en) | 2015-12-14 | 2015-12-14 | For the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917574.XA CN105422961B (en) | 2015-12-14 | 2015-12-14 | For the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422961A CN105422961A (en) | 2016-03-23 |
| CN105422961B true CN105422961B (en) | 2018-07-03 |
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| CN201510917574.XA Active CN105422961B (en) | 2015-12-14 | 2015-12-14 | For the pneumatic dual-coil electromagnetic valve of big flow of pneumatic AMT gearboxes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113685579B (en) * | 2021-07-14 | 2023-12-05 | 中国航发贵州红林航空动力控制科技有限公司 | Two-position three-way normally closed pressure proportional valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205190905U (en) * | 2015-12-14 | 2016-04-27 | 贵州红林机械有限公司 | A two solenoid valves of large -traffic pneumatics for pneumatic AMT gearbox |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2522703Y (en) * | 2001-12-31 | 2002-11-27 | 佛山市利生医学与生物工程有限公司 | Electromagnetic gas-supplying valve |
| DE102008060889B4 (en) * | 2008-12-09 | 2022-08-25 | Pierburg Gmbh | pressure control valve |
| CN201462071U (en) * | 2009-05-05 | 2010-05-12 | 贵州红林机械有限公司 | Two-bit three-way magnetic valve for engine braking system |
| CN203532914U (en) * | 2013-10-25 | 2014-04-09 | 贵州红林机械有限公司 | Electromagnetic valve for automobile pneumatic AMT gear shifting executing mechanism |
| CN104089072A (en) * | 2014-06-17 | 2014-10-08 | 贵州新安航空机械有限责任公司 | Electromagnetic valve core structure with enhanced electromagnetic force |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205190905U (en) * | 2015-12-14 | 2016-04-27 | 贵州红林机械有限公司 | A two solenoid valves of large -traffic pneumatics for pneumatic AMT gearbox |
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