CN105065357B - A kind of electro-hydraulic reversing valve - Google Patents
A kind of electro-hydraulic reversing valve Download PDFInfo
- Publication number
- CN105065357B CN105065357B CN201510482113.4A CN201510482113A CN105065357B CN 105065357 B CN105065357 B CN 105065357B CN 201510482113 A CN201510482113 A CN 201510482113A CN 105065357 B CN105065357 B CN 105065357B
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- Prior art keywords
- valve
- valve body
- control
- valve element
- oil circuit
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- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000036632 reaction speed Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of electro-hydraulic reversing valve, including a main valve body, at least a solenoid directional control valve and an at least inserted valve, solenoid directional control valve and inserted valve are arranged on main valve body, working connection and oil circuit control is provided with inside main valve body, wherein, solenoid directional control valve includes one first valve body, is provided with some first oil circuits and some first valve elements for matching with each first oil circuit respectively in the first valve body；Inserted valve includes the second valve body of a tubular, one second valve element is encapsulated in the inner chamber of the second valve body by one second plug, the inner chamber of the second valve body is separated into a control chamber and an admission chamber by second valve element, second valve element is provided with the control mouth being connected with control chamber, and the inlet that is connected with admission chamber and liquid outlet；First oil circuit is connected with the control mouth of inserted valve by oil circuit control, and admission chamber is connected in working connection.This electrohydraulic change valve structure is simple, small volume, it is easy to process, and can carry out the control of complexity to hydraulic system, be swift in response.
Description
Technical field
The present invention relates to a kind of electro-hydraulic reversing valve.
Background technology
Electro-hydraulic reversing valve is and the incorporated hydraulicchange-over valve of solenoid-operated pilot valves, typically by one or
The multiple solenoid directional control valves of person driving a pilot operated valve device to be controlled to the break-make of oil circuit and flow, existing electro-hydraulic reversing valve
In, typically using the sliding valve structure of rod-type valve element, its control mode is relatively simple for solenoid directional control valve and pilot operated valve device, and with
The function of hydraulic system is increasingly enriched at present, generally requires to carry out complex control using electro-hydraulic reversing valve to hydraulic system
System, current way are generally to increase the quantity of electro-hydraulic reversing valve, and correspondingly design complicated oil circuit, cause hydraulic system
Structure is excessively complicated, and shared space also increases accordingly, and inconvenience is used；Further, since sliding valve structure is to valve element and valve body
Required precision higher, processing is more difficult, relatively costly, and also inconvenience for different use occasions and needs to redesign oil
Line structure, adaptability are poor, and the flow reaction speed of sliding valve structure is also slower, it is impossible to meet dynamic to machinery in current hydraulic test
Make the demand of reaction speed.
Content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of simple structure, small volume, complexity can be realized
Control mode electro-hydraulic reversing valve.
The technical scheme that adopts for solving its technical problem of the present invention is：
A kind of electro-hydraulic reversing valve, including a main valve body, at least a solenoid directional control valve and an at least inserted valve, solenoid directional control valve
It is arranged on main valve body with inserted valve, inside main valve body, is provided with working connection and oil circuit control, wherein,
Described solenoid directional control valve includes one first valve body, is provided with some first oil circuits and respectively with each in the first valve body
Some first valve elements that one oil circuit matches, each first valve element are encapsulated in the first valve body by one first plug respectively, and first blocks up
The front portion of head offers to slide in a groove, groove and is provided with permanent-magnet pieces, and the outside of each first plug is respectively equipped with an electromagnetism
Coil, the solenoid are used for promoting permanent-magnet pieces to make which movable along groove, the first valve element be fixed on permanent-magnet pieces and can be with
The movable keying to control the first oil circuit of permanent-magnet pieces；
Described inserted valve includes that the second valve body of a tubular, one second valve element are encapsulated in the second valve body by one second plug
Inner chamber in, the inwall of the middle part of second valve element and the second valve body is brought into close contact and the inner chamber of the second valve body is separated into a control
Chamber processed and an admission chamber, the outer wall of the second valve body are provided with the control mouth being connected with control chamber, and be connected with admission chamber
Inlet and liquid outlet；The fluid that control chamber is entered by control mouth can drive the second valve element movement to control inlet and liquid outlet
Between break-make and uninterrupted；
First oil circuit is connected with the control mouth of inserted valve by oil circuit control, and admission chamber is connected in working connection.
Preferably, each first oil circuit is interconnected.
Preferably, the first described valve element is bevel-type valve element.
Preferably, the front end of the permanent-magnet pieces offers a mounting groove, and the section of the mounting groove is in "convex" shaped, and before which
The diameter in portion is less than the diameter at rear portion, and the rear portion of the first valve element is provided with the elastic mounting part with the mounting groove mating shapes, should
Elastic mounting part is embedded in mounting groove the first valve element is fixed on permanent-magnet pieces.
Preferably, the first described valve core upper sleeve is provided with one first spring, and one end of first spring is fixed on the first valve
On body, the other end is fixed on the first valve element, for the first valve element to be maintained the state of the first oil circuit of opening and closing of fault.
Preferably, the rear portion of second valve element offers an installation cavity, and a second spring is plugged in the installation cavity, should
The two ends of second spring are separately fixed on the second valve element and the second plug, for the second valve element is pressed on liquid outlet to seal
Close liquid outlet.
Preferably, described inserted valve also includes that one the 3rd valve element, the 3rd valve element are encapsulated in second by one the 3rd plug
In valve body, and by one the 3rd spring compression in liquid outlet to close liquid outlet, the fluid for flowing to liquid outlet from inlet can be pushed away
Open the 3rd valve element and flow out from liquid outlet.
Preferably, the outer wall of second valve body is provided with external screw teeth, and inserted valve is screwed onto main valve body by the external screw teeth
Interior.
The invention has the beneficial effects as follows：In the present invention, each first valve element controls the break-make of each first oil circuit, the first oil respectively
Road is connected with the control mouth of inserted valve by oil circuit control, such that it is able to drive the movement of the second valve element, Jin Erneng by control chamber
Enough the break-make of control working connection and uninterrupted, can carry out the control of complexity, and small volume, for not to hydraulic system
Same using needs, and need to only change the structure of working connection and oil circuit control in main valve body, it is easy to process, strong adaptability, this
The relatively conventional sliding valve structure of inserted valve, it may have the pressure performance of bigger flow, faster reaction speed and Geng Gao, while
Requirement to machining accuracy is also lower, can effectively reduce production cost.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the partial exploded view of the present invention；
Fig. 2 is the partial cutaway schematic of the present invention；
Fig. 3 is the principle schematic of the present invention；
Fig. 4 is the structural representation of solenoid directional control valve in the present invention；
Fig. 5 is the structural representation of inserted valve in the present invention.
Specific embodiment
Referring to figs. 1 to Fig. 5, a kind of electro-hydraulic reversing valve, including a main valve body 10, a solenoid directional control valve 20 and some inserted valves
30, solenoid directional control valve 20 and inserted valve 30 are arranged on main valve body 10, are provided with working connection 11 and oil circuit control inside main valve body 10
12, wherein, solenoid directional control valve 20 includes one first valve body 21, be provided with the first valve body 21 two first oil circuits 211 and respectively with respectively
Two first valve elements 22 that first oil circuit 211 matches, each first valve element 22 are encapsulated in the first valve body by one first plug 25 respectively
In 21, the front portion of the first plug 25 offers a groove 251, and sliding in groove 251 is provided with permanent-magnet pieces 24, each first plug
25 outside is respectively equipped with a solenoid 26, and the solenoid 26 is used for promoting permanent-magnet pieces 24 to make which move before and after groove 251
Dynamic, the first valve element 22 is fixed on permanent-magnet pieces 24 and can move forward and backward to control the keying of the first oil circuit 211 with permanent-magnet pieces 24；Insert
Dress valve 30 includes that the second valve body 31 of a tubular, one second valve element 32 are encapsulated in the inner chamber of the second valve body 31 by one second plug 33
In, the middle part of second valve element 32 is brought into close contact and the inner chamber of the second valve body 31 is separated into a control with the inwall of the second valve body 31
Chamber processed 312 and an admission chamber 314, the outer wall of the second valve element 31 are provided with the control mouth 313 being connected with control chamber 312, and with
Inlet 315 and liquid outlet 316 that admission chamber 314 is connected；The fluid that control chamber 312 is entered by control mouth 313 can drive
Two valve elements 32 move to control the break-make between inlet 315 and liquid outlet 316 and uninterrupted；First oil circuit 211 is by control
Liquefaction road 12 is connected with the control mouth 313 of inserted valve 30, and admission chamber 314 is connected in working connection 11.
In the present invention, each first valve element 22 controls the break-make of each first oil circuit 211 respectively, and the first oil circuit 211 is by controlling oil
Road 12 is connected with the control mouth 313 of inserted valve 30, drives the second valve element 32 to move such that it is able to pass through control chamber 312, Jin Erneng
Enough the break-make of control working connection 11 and uninterrupted, can carry out the control of complexity, and small volume to hydraulic system, for
Different using needs, and need to only change the structure of working connection 11 and oil circuit control 12 in main valve body 10, it is easy to process, and adapts to
Property strong, the relatively conventional sliding valve structure of this inserted valve 30, it may have bigger flow, faster reaction speed and Geng Gao's is pressure
Performance, while the requirement to machining accuracy is also lower, can effectively reduce production cost.
In solenoid directional control valve 20, each first oil circuit 211 is interconnected, and can further enrich the control of solenoid directional control valve 20
Mode, the first valve element 22 adopt bevel-type valve core structure, it is possible to increase the flow of the first oil circuit 211, accelerate solenoid directional control valve 20
Reaction speed.In the present embodiment, the quantity of the first valve element 22 is two, disclosure satisfy that the demand of most of hydraulic system,
Certainly, in practical application, the quantity and structure of the first valve element 22 and the first oil circuit 211 can also flexibly be selected as needed and be set
Meter, it is not limited to this.
The front end of permanent-magnet pieces 24 offers a mounting groove 241, and the section of the mounting groove 241 is in "convex" shaped, and which is anterior
Diameter less than the diameter at rear portion, the rear portion of the first valve element 22 is provided with the elastic mounting part with 241 mating shapes of the mounting groove
221, the elastic mounting part 221 is embedded in mounting groove 241 first valve element 22 is fixed on permanent-magnet pieces 24.First valve element 22
Also integrally can be made by elastomeric material such as plastic cement etc., this kind of structure is connected firmly, without using other auxiliary fixing structures, it is easy to
Assembling, it is possible to increase production efficiency, and be also easily removable and change the first valve element 22 and permanent-magnet pieces 24.
One first spring 23 is arranged with first valve element 22, and one end of first spring 23 is fixed on the first valve body 21,
The other end is fixed on the first valve element 22, for the first valve element 22 to be maintained the state of the first oil circuit 211 of closing；Second valve element
32 rear portion offers an installation cavity, and a second spring 34 is plugged in the installation cavity, and the two ends of the second spring 34 are solid respectively
It is scheduled on the second valve element 32 and the second plug 33, for the second valve element 32 is pressed on liquid outlet 316 to close liquid outlet
316.The structure contributes to reducing energy consumption, energy saving.
In the present embodiment, inserted valve 30 also includes that one the 3rd valve element 35, the 3rd valve element 35 are encapsulated by one the 3rd plug 37
In the second valve body 31, and by one the 3rd spring 36 be pressed on liquid outlet 316 sentence closing liquid outlet 316, flow from inlet 315
The 3rd valve element 35 can be pushed open to the fluid of liquid outlet 316 and flowed out from liquid outlet 316.The structure can be limited in working connection 11 and be flowed
The flow direction of body, can effectively simplify the structure of hydraulic system, be easy to use.
The outer wall of the second valve body 31 is provided with external screw teeth 311, while be provided with main valve body 10 matching with the external screw teeth 311
Internal screw thread, inserted valve 30 is screwed onto in main valve body 10 by the external screw teeth 311, is easily installed and dismantles, and can be facilitated to inserting
Dress valve 30 is changed.
The preferred embodiments of the present invention are the foregoing is only, as long as the skill of the object of the invention is realized with essentially identical means
Art scheme is belonged within protection scope of the present invention.
Claims (8)
1. a kind of electro-hydraulic reversing valve, it is characterised in that：Including a main valve body（10）, an at least solenoid directional control valve（20）At least one
Inserted valve（30）, solenoid directional control valve（20）And inserted valve（30）It is arranged on main valve body（10）On, main valve body（10）Inside is provided with master
Oil circuit（11）And oil circuit control（12）, wherein,
Described solenoid directional control valve（20）Including one first valve body（21）, the first valve body（21）Some first oil circuits are inside provided with
（211）Respectively with each first oil circuit（211）Some first valve elements for matching（22）, each first valve element（22）Respectively by one
One plug（25）It is encapsulated in the first valve body（21）Interior, the first plug（25）Front portion offer a groove（251）, groove（251）
Interior slip is provided with permanent-magnet pieces（24）, each first plug（25）Outside be respectively equipped with a solenoid（26）, the electromagnetic wire
Circle（26）For promoting permanent-magnet pieces（24）Which is made along groove（251）Movable, the first valve element（22）It is fixed on permanent-magnet pieces（24）
Above can be with permanent-magnet pieces（24）Move forward and backward to control the first oil circuit（211）Break-make；
Described inserted valve（30）The second valve body including a tubular（31）, one second valve element（32）By one second plug（33）Envelope
It is mounted in the second valve body（31）Inner chamber in, second valve element（32）Middle part and the second valve body（31）Inwall be brought into close contact and incite somebody to action
Second valve body（31）Inner chamber be separated into a control chamber（312）With an admission chamber（314）, the second valve body（31）Outer wall be provided with
With control chamber（312）The control mouth being connected（313）, and and admission chamber（314）The inlet being connected（315）And liquid outlet
（316）；By control mouth（313）Enter control chamber（312）Fluid can drive the second valve element（32）Move to control inlet
（315）And liquid outlet（316）Between break-make and uninterrupted；
First oil circuit（211）By oil circuit control（12）With inserted valve（30）Control mouth（313）Connection, admission chamber（314）String
It is associated in working connection（11）Interior.
2. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：Each first oil circuit（211）It is interconnected.
3. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：The first described valve element（22）For bevel-type valve
Core.
4. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：The permanent-magnet pieces（24）Front end offer
One mounting groove（241）, the mounting groove（241）Section be in "convex" shaped, and its anterior diameter is less than the diameter at rear portion, first
Valve element（22）Rear portion be provided with and the mounting groove（241）The elastic mounting part of mating shapes（221）, the elastic mounting part
（221）It is embedded in mounting groove（241）Interior with by the first valve element（22）It is fixed on permanent-magnet pieces（24）On.
5. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：The first described valve element（22）On be arranged with
One first spring（23）, first spring（23）One end be fixed on the first valve body（21）On, the other end is fixed on the first valve element
（22）On, for by the first valve element（22）Maintain the first oil circuit of opening and closing of fault（211）State.
6. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：Second valve element（32）Rear portion open up
There are an installation cavity, a second spring（34）It is plugged in the installation cavity, the second spring（34）Two ends be separately fixed at second
Valve element（32）With the second plug（33）On, for by the second valve element（32）It is pressed on liquid outlet（316）On closing liquid outlet
（316）.
7. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：Described inserted valve（30）Also include one
Three valve elements（35）, the 3rd valve element（35）By one the 3rd plug（37）It is encapsulated in the second valve body（31）Interior, and by one the 3rd spring
（36）It is pressed on liquid outlet（316）Sentence closing liquid outlet（316）, from inlet（315）Flow to liquid outlet（316）Fluid can
Push the 3rd valve element open（35）And from liquid outlet（316）Flow out.
8. a kind of electro-hydraulic reversing valve according to claim 1, it is characterised in that：Second valve body（31）Outer wall on set
There is external screw teeth（311）, inserted valve（30）By the external screw teeth（311）It is screwed onto main valve body（10）Interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482113.4A CN105065357B (en) | 2015-08-07 | 2015-08-07 | A kind of electro-hydraulic reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482113.4A CN105065357B (en) | 2015-08-07 | 2015-08-07 | A kind of electro-hydraulic reversing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065357A CN105065357A (en) | 2015-11-18 |
| CN105065357B true CN105065357B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510482113.4A Expired - Fee Related CN105065357B (en) | 2015-08-07 | 2015-08-07 | A kind of electro-hydraulic reversing valve |
Country Status (1)
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840575B (en) * | 2015-12-30 | 2018-09-28 | 中船重工重庆液压机电有限公司 | One kind is slow to open and close electro-hydraulic reversing valve |
| CN106438543B (en) * | 2016-10-10 | 2018-03-20 | 合肥协力液压科技有限公司 | A kind of electromagnetic cartridge valve |
| CN116148218B (en) * | 2023-01-06 | 2024-01-30 | 安徽省屯溪高压阀门股份有限公司 | High-pressure circulation oil monitoring equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3505869B2 (en) * | 1995-09-14 | 2004-03-15 | 株式会社島津製作所 | Fluid control valve |
| JP3811643B2 (en) * | 2001-12-03 | 2006-08-23 | カヤバ工業株式会社 | Displacement measuring device |
| CN101294591A (en) * | 2007-04-24 | 2008-10-29 | 上海立新液压有限公司 | Two-position three-way electrohydraulic reversal valve |
| CN202833374U (en) * | 2012-08-20 | 2013-03-27 | 东莞市神煜机械有限公司 | Electro-hydraulic reversing valve with adjustable oil drainage way |
| CN104033438B (en) * | 2014-06-09 | 2016-03-02 | 烟台宝钢钢管有限责任公司 | A kind of multi-functional anti-hydraulic lock electro-hydraulic reversing valve pilot valve |
| CN204921514U (en) * | 2015-08-07 | 2015-12-30 | 中山市文天长液压机械有限公司 | Electro -hydraulic reversing valve |
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- 2015-08-07 CN CN201510482113.4A patent/CN105065357B/en not_active Expired - Fee Related
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| CN105065357A (en) | 2015-11-18 |
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Denomination of invention: Electro-hydraulic directional valve Effective date of registration: 20171124 Granted publication date: 20170315 Pledgee: China Everbright Bank Zhongshan branch Pledgor: ZHONGSHAN WENTIANCHANG HYDRAULIC MACHINERY Co.,Ltd. Registration number: 2017440020058 |
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Date of cancellation: 20181214 Granted publication date: 20170315 Pledgee: China Everbright Bank Zhongshan branch Pledgor: ZHONGSHAN WENTIANCHANG HYDRAULIC MACHINERY Co.,Ltd. Registration number: 2017440020058 |
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Denomination of invention: Electro-hydraulic directional valve Effective date of registration: 20181217 Granted publication date: 20170315 Pledgee: China Everbright Bank Zhongshan branch Pledgor: ZHONGSHAN WENTIANCHANG HYDRAULIC MACHINERY Co.,Ltd. Registration number: 2018440020082 |
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Date of cancellation: 20200526 Granted publication date: 20170315 Pledgee: China Everbright Bank Zhongshan branch Pledgor: ZHONGSHAN WENTIANCHANG HYDRAULIC MACHINERY Co.,Ltd. Registration number: 2018440020082 |
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Denomination of invention: Electro-hydraulic directional valve Effective date of registration: 20200628 Granted publication date: 20170315 Pledgee: China Everbright Bank Zhongshan branch Pledgor: ZHONGSHAN WENTIANCHANG HYDRAULIC MACHINERY Co.,Ltd. Registration number: Y2020980003508 |
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