CN203809825U - Automatic transmission (AT) electric hydraulic control inversely proportional solenoid valve - Google Patents
Automatic transmission (AT) electric hydraulic control inversely proportional solenoid valve Download PDFInfo
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- CN203809825U CN203809825U CN201420195335.9U CN201420195335U CN203809825U CN 203809825 U CN203809825 U CN 203809825U CN 201420195335 U CN201420195335 U CN 201420195335U CN 203809825 U CN203809825 U CN 203809825U
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- valve body
- solenoid valve
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- valve
- spring
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Abstract
The utility model discloses an automatic transmission (AT) electric hydraulic control inversely proportional solenoid valve. The AT electric hydraulic control inversely proportional solenoid valve comprises a valve body, wherein the valve body is in a hollow tube shape, the two ends of the valve body are open, one end of the valve body is connected with a housing, the other end of the valve body is connected with a rear cover, a valve element penetrating through the openings in the two ends of the valve body is arranged inside the valve body, one end of the valve element is connected with one end of a spring in a sleeved mode, the other end of the spring abuts against the rear cover, the spring can be extruded by the spring and is deformed, the other end of the valve element extends into the housing to abut against one end of an armature, the armature and the end, extending into the housing, of the valve element are together wrapped with a yoke assembly, the yoke assembly is wrapped with a coil, the coil is placed in a gap between the housing and the yoke assembly, and a diaphragm is arranged at the connecting position between the valve body and the housing and can seal the connecting position. The AT electric hydraulic control inversely proportional solenoid valve has the advantages that the complete localization of the AT electric hydraulic control inversely proportional solenoid valve is achieved, the localization of the technology of the AT electric hydraulic control inversely proportional solenoid valve is comprehensively achieved in terms of materials, structures and processes on the basis of the state of technological development in China, and volume production can be easily achieved.
Description
Technical field
The utility model belongs to automobile AT automatic transmission case hydraulic pressure ATF and controls execution technique field, relates to a kind of AT automatic transmission case electrichydraulic control inverse proportion solenoid valve.
Background technique
Automatic gearbox of vehicles inverse proportion solenoid valve the earliest Shi You Japan electric coating company is produced, and always with automatic gearbox of vehicles package unit technology supply China automobile industry, and automatic transmission case electromagnetic pressure control valve is rapid wear components and parts wherein, this product technology becomes the technology of seizing by the throat in market after China's automobile manufacture industry and automobile.Zhejiang area has some little companies to manufacture experimently at home, but due to technical reason, at present domesticly not yet trial-produce successfully, and same kind of products at abroad technology unexposed needs complete import, expensive, the utility model proposes a kind of AT automatic transmission case electrichydraulic control inverse proportion solenoid valve, this solenoid valve can meet the pressure demand of hydraulic circuit parameters, and industry will reduce the manufacture cost of China's Automobile Enterprises after promoting, and promotes the auto manufacturing of China.
Automobile AT automatic transmission case electrichydraulic control inverse proportion solenoid valve is that a kind of driving speed variable, oil-saving that concerns reduces discharging and safe control valve, and its key problem in technology is the solution of pressure proportional control technique problem.The utility model is started with from electromagnetism, hydraulic principle, the factor impacts such as research material, structure, technique, for the requirement of AT automatic transmission case Characteristics of Solenoid Valve curve, determine major effect parameter, set up experimental model, test, determines inverse proportion solenoid valve optimum structure parameter, material and process conditions by experiment, realize inversely proportional pressure control characteristic, meet the usage requirement of technical performance.
Model utility content
The purpose of this utility model is to provide a kind of AT automatic transmission case electrichydraulic control inverse proportion solenoid valve, has solved this kind of solenoid valve and need to rely on import, and the problem of high cost, fills up domestic technique blank, realizes the production domesticization of important practical technical field critical product.
Technical characterstic of the present utility model is to comprise valve body, valve body is hollow tubular and both ends open, valve body one end is connected with shell, the other end is connected with bonnet, valve inner is provided with the spool that runs through valve body both ends open, spool one end is socketed in spring one end, the spring the other end props up bonnet, spring can be by spool extrusion-deformation, the spool the other end stretches into shell and props up armature one end, armature is wrapped in yoke component inside together with stretching into spool one end of enclosure, yoke component outer wrap has coil, coil is placed between shell and the space of yoke component, valve body and shell joint are provided with can be by the diaphragm of joint sealing.
Feature of the present utility model is also that valve body is provided with together with valve inner and outside working connection, draining road and oil circuit control, when the spool of valve inner can close working connection, opens draining road and oil circuit control oil pressure is made zero when bonnet direction is slided.Yoke component is by comprising guide pin bushing, magnetism resistent ring and yoke, and magnetism resistent ring two ends connect respectively guide pin bushing and yoke, adopts money base soldering to make the sclerosis of yoke component surface.
Usefulness of the present utility model is to realize the production domesticization completely of AT automatic transmission case electrichydraulic control inverse proportion solenoid valve, the technical development state of basing on our country, and the production domesticization from material, structure, technique round Realization product technology, is easy to volume production.
Accompanying drawing explanation
Fig. 1 is the generalized section of a kind of AT automatic transmission case of the utility model electrichydraulic control inverse proportion solenoid valve;
Fig. 2 is the utility model electromagnetic coil valve body view while not switching on;
Fig. 3 is that after the energising of the utility model electromagnetic coil, working connection is closed completely, view that open completely on draining road, oil circuit control oil pressure makes zero;
Fig. 4 is that the utility model is controlled mouth pressure micro hole regulation structure figure;
Fig. 5 is yoke component welding line structure figure.
In figure, 1. bonnet, 2. spring, 3. valve body, 4. spool, 5. diaphragm, 6. yoke component, 7. shell, 8. armature, 9. coil, 10. draining road, 11. oil circuit controls, 12. working connections, 13. micro hole, 14. guide pin bushings, 15. magnetism resistent rings, 16. yokes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, the utility model comprises valve body 3, valve body 3 is hollow tubular and both ends open, valve body 3 one end are connected with shell 7, the other end is connected with bonnet 1, valve body 3 inside are provided with the spool 4 that runs through valve body 3 both ends opens, spool 4 one end are socketed in spring 2 one end, spring 2 the other ends prop up bonnet 1, spring 2 can be by spool 4 extrusion-deformations, spool 4 the other ends stretch into shell 7 and prop up armature 8 one end, armature 8 is wrapped in yoke component 6 inside together with stretching into spool 4 one end of shell 7 inside, yoke component 6 outer wrap have coil 9, coil 9 is placed between shell 7 and the space of yoke component 6, valve body 3 is provided with shell 7 joints can be by the diaphragm 5 of joint sealing.Valve body 3 is provided with together with the inside and outside working connection 12 of valve body 3, draining road 10 and oil circuit control 11, when the spool 4 of valve body 3 inside can close working connection 12, opens draining road 10 and oil circuit control 11 oil pressure inverse proportions are made zero when bonnet direction is slided.
The utility model hydraulic pressure controlling solenoid valve is a kind of electronically controlled AT automatic transmission case inverse proportion solenoid valve, is a kind of output actuating device of electronic control hydraulic system.The signal instruction sending according to electronic control unit, solenoid valve closure or openness, the corresponding oil circuit being switched on or switched off between working connection 12, oil circuit control 11 and draining road 10.
Working principle: the proportional electromagnetic valve that when the utility model solenoid valve belongs to no electric circuit, import working connection 12 and oil circuit control 11 are often opened, during no electric circuit, spool 4 is in its working position, working connection 12 is connected oil circuit control 11, ATF automatic transmission fluid enters electromagnetic valve body 3 inside by working connection 12, now oil circuit control 11 oil pressure are working connection 12 oil pressure, draining road 10 closures, can complete the automatic switchover of gear, and during without electrical signal, spool 4 working positions as shown in Figure 2.When electronic control unit sends signal, while switching on to solenoid valve, the electromagnetic field that coil 9 produces forms the electromagnetic force that promotes armature 8 on magnetic circuit, thereby promoting spool 4 starts to slide to bonnet 1 end, working connection 12 is closed gradually, and open gradually on draining road 10, and oil circuit control 11 oil pressure decline gradually.When the signal that sends when electronic control unit is larger, the electromagnetic force that the electromagnetic field that coil 9 produces forms on magnetic circuit makes spool 4 move to working connection 12 to bonnet 1 one end to close completely, open completely on draining road 10, oil circuit control 11 oil pressure inverse proportions make zero, oil circuit completes corresponding gearshift function, and now spool 4 working positions as shown in Figure 3.
The utility model also has following characteristics:
1, solved the precision problem of product structure design and processing technique.The utility model mainly adopts the chemical plating of control mouth pressure micro hole regulation structure, the adjustable CD line of spring 2 pressure structure, armature 8 special materials to carry out the electromagnetic force regulation structure of the special infiltration layer material heat treatment of electromagnetic force regulation structure and yoke surface in design, and the design of these structures reduces the machining accuracy of product greatly.Control mouth pressure micro hole regulation structure: as shown in Figure 4, valve body 3 outer surfaces are designed with groove, described groove surfaces is designed with micro hole 13, make ATF automatic transmission fluid enter valve body 3 inside, control mouth pressure enters spool 4 non-uniform shaft by micro hole 13 regulates to the throttling action of returning feedback chamber, the adjustable CD line of spring 2 pressure structure: bonnet 1 one end at valve body 3 is designed with CD line structure, the size of spring 2 pressure can regulate by screwing or unscrew bonnet 1, the large I of spring 2 pressure is by regulating CD line structure to carry out, adjustable CD line structure as shown in Figure 3.The special material of magnetic circuit armature 8 carries out the structure that chemical plating can be carried out electromagnetic force adjusting: armature 8 adopts special material, armature 8 is carried out to chemical plating processing and can obtain different electromagnetic forces, and the thickness of controlling coating makes it reach the requirement of final usability.The heat treatment of the ironing surface special infiltration layer material of yoke of magnetic circuit can be carried out the structure of electromagnetic force adjusting: the ironing surface special infiltration layer design of material of yoke, carries out special thermal treatment to yoke surface, the performance requirement to electromagnetic force while making it meet coil 9 energising.
2, having solved domestic electromagnetic material (coil case, yoke and armature) electromagnetic force deficiency under special operation condition causes solenoid valve hydraulic coupling to be controlled to the problem losing efficacy.The utility model electromagnetic valve coil 9 shell 7 equal magnetic circuit materials adopt domestic conventional pure iron material; Its armature 8, yoke coercivity are less than 120A/m; Coil 9 use enameled cables, adopt domestic heat resistance paint copper-clad wire material, and Maximum operating temperature reaches more than 230 ℃.
3, solved 100% DOMESTICATION PROBLEM of product with material.
4, solved the micro-distortion weld problem of low-temperature high-strength.Yoke component 6 described in the utility model, adopts hard soldering in design, and welding temperature is less than 700 ℃, make the welding deformation of yoke component 6 little, intensity is high, yoke component 6 welding line structures as shown in Figure 5, three part guide pin bushings 14 in figure, the join domain between magnetism resistent ring 15 and yoke 16 is weld seam.
5, solve material member surface, soft Quito hardening deforming and exempted from processing problems.Yoke component 6 described in the utility model is comprised of three parts: guide pin bushing, magnetism resistent ring and yoke, and adopt hard soldering to make to avoid processing after yoke component 6 surface sclerosis, reduced the processing cost of product.
6, small and interrupted compound step deep hole processing highi degree of accuracy and high abrasion characteristic issues have been solved.Valve body 3 comprises a plurality of compound steps and deep hole, higher to requirement on machining accuracy, and work in-process adopts special processing process, has realized the highi degree of accuracy of processing and the high wear resistance of material.
7, solve system proportional electromagnetic valve initial pressure and regulated problem.Bonnet 1 one end of valve body 3 is designed with CD line structure (as shown in Figure 3), and proportional electromagnetic valve initial pressure can pass through the elastic force of Regulation spring 2, and the size of spring 2 elastic force regulates by screwing or unscrew bonnet 1.
The utility model technical development state of basing on our country, the production domesticization from material, structure, technique round Realization product technology, is easy to volume production.Product specification moderate accuracy, reduces the accuracy of manufacturing impact of import oil circuit, control mouthful oil channel structures parameter, is easy to adjust be equipped with, and technique advanced person, a whole set of technical costs is lower.
Claims (3)
1. an AT automatic transmission case electrichydraulic control inverse proportion solenoid valve, it is characterized in that: comprise valve body (3), valve body (3) is hollow tubular and both ends open, valve body (3) one end is connected with shell (7), the other end is connected with bonnet (1), valve body (3) inside is provided with the spool (4) that runs through valve body (3) both ends open, spool (4) one end is socketed in spring (2) one end, spring (2) the other end props up bonnet (1), spring (2) can be by spool (4) extrusion-deformation, spool (4) the other end stretches into shell (7) and props up armature (8) one end, armature (8) is wrapped in yoke component (6) inside together with spool (4) one end inner with stretching into shell (7), yoke component (6) outer wrap has coil (9), coil (9) is placed between shell (7) and the space of yoke component (6), valve body (3) is provided with shell (7) joint can be by the diaphragm (5) of joint sealing.
2. according to a kind of AT automatic transmission case electrichydraulic control inverse proportion solenoid valve described in claim 1, it is characterized in that: described valve body (3) is provided with together with the inside and outside working connection (12) of valve body (3), draining road (10) and oil circuit control (11), when the inner spool (4) of valve body (3) can close working connection (12), opens draining road (10) and oil circuit control (11) oil pressure is made zero when bonnet direction is slided.
3. according to a kind of AT automatic transmission case electrichydraulic control inverse proportion solenoid valve described in claim 1, it is characterized in that: described yoke component (6) is by comprising guide pin bushing (14), magnetism resistent ring (15) and yoke (16), magnetism resistent ring (15) two ends connect respectively guide pin bushing (14) and yoke (16), adopt money base soldering to make the sclerosis of yoke component (6) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195335.9U CN203809825U (en) | 2014-04-18 | 2014-04-18 | Automatic transmission (AT) electric hydraulic control inversely proportional solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195335.9U CN203809825U (en) | 2014-04-18 | 2014-04-18 | Automatic transmission (AT) electric hydraulic control inversely proportional solenoid valve |
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| Publication Number | Publication Date |
|---|---|
| CN203809825U true CN203809825U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420195335.9U Expired - Fee Related CN203809825U (en) | 2014-04-18 | 2014-04-18 | Automatic transmission (AT) electric hydraulic control inversely proportional solenoid valve |
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| CN (1) | CN203809825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912710A (en) * | 2014-04-18 | 2014-07-09 | 陕西国防工业职业技术学院 | Electro-hydraulic control inverse electromagnetic valve of AT (automatic transmission) |
| CN109185446A (en) * | 2018-11-13 | 2019-01-11 | 安徽江淮汽车集团股份有限公司 | A kind of electromagnetic pressure control valve for automatic gear-box |
| WO2021115233A1 (en) * | 2019-12-09 | 2021-06-17 | 浙江三花汽车零部件有限公司 | Electric valve |
-
2014
- 2014-04-18 CN CN201420195335.9U patent/CN203809825U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912710A (en) * | 2014-04-18 | 2014-07-09 | 陕西国防工业职业技术学院 | Electro-hydraulic control inverse electromagnetic valve of AT (automatic transmission) |
| CN109185446A (en) * | 2018-11-13 | 2019-01-11 | 安徽江淮汽车集团股份有限公司 | A kind of electromagnetic pressure control valve for automatic gear-box |
| WO2021115233A1 (en) * | 2019-12-09 | 2021-06-17 | 浙江三花汽车零部件有限公司 | Electric valve |
| JP2023503550A (en) * | 2019-12-09 | 2023-01-31 | 浙江三花汽車零部件有限公司 | electric valve |
| JP7315794B2 (en) | 2019-12-09 | 2023-07-26 | 浙江三花汽車零部件有限公司 | electric valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |