CN206458833U - A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed - Google Patents
A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed Download PDFInfo
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- CN206458833U CN206458833U CN201621336834.0U CN201621336834U CN206458833U CN 206458833 U CN206458833 U CN 206458833U CN 201621336834 U CN201621336834 U CN 201621336834U CN 206458833 U CN206458833 U CN 206458833U
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Abstract
A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, including bi-bit bi-pass electromagnetic priority valve, cover plate, valve pocket, spring, valve element, valve body;The utility model is more sensitive to low pressure, and valve core movement is smooth, can reduce the pressure fluctuation of generation, when electromagnetic priority valve no power, A mouthfuls of low pressure liquid can overcome the unlatching of spring force two-port valve, and A mouthfuls, B mouthfuls and X oral grooves lead to, it is possible to achieve low pressure is non-loaded to be started;When solenoid valves, A mouthfuls and B mouthfuls obstructed with X mouthfuls, and because the cross-sectional area of valve element upper end is more than lower end, two-port valve is closed in the presence of pressure differential, and A mouthfuls obstructed with B mouthfuls, realizes pressure maintaining effect.This reversal valve small volume, response is fast, and functional reliability is high, long lifespan, good economy performance;The problems such as being improved the sealing of two-port valve using cone valve form, be reduced the cavitation erosion of two-port valve, improves the response time of valve.
Description
Technical field
The utility model is related to a kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, belongs to hydraulic control valve class, main to be applicable
In seawater, at the same be also applied for fresh water, it is high it is water base etc. be working media.
Background technology
Plug-in two-port valve has compact conformation as the control element in hydraulic system, connects simple, the small, weight of leakage
Gently, the advantages of relatively easy remodeling, low cost, environmental protection is processed, therefore is used widely in hydraulic system.Along with
The fast development of hydraulic technique, people propose higher requirement to the performance of Hydraulic Elements.Conventional water hydraulic plug-in two-way
Valve tends not to enough utilization electromagnetic priority valves and controls its commutation to realize the non-loaded startup of low pressure and pressure maintaining effect.The utility model is carried
Go out a kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, when magnetic valve is powered off, it is possible to achieve low pressure is non-loaded to be started;Work as magnetic valve
When obtaining electric, pressure maintaining effect can be realized again.
In addition plug-in two-port valve is the direction control element commonly used in hydraulic system, is mainly used in control hydraulic system
Liquid is switched on or off, equivalent to the effect of a switch.Traditional plug-in two-port valve tend not to enough take into account realize it is low
Press non-loaded startup and pressure maintaining effect.
The content of the invention
The utility model provides a kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, and purpose is by controlling magnetic valve, to realize
The non-loaded startup of low pressure of hydraulic system and pressure maintaining effect.
The utility model is adopted the following technical scheme that:
A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, including bi-bit bi-pass electromagnetic priority valve (1), cover plate (2), valve pocket
(3), spring (4), valve element (5), valve body (6);A mouthfuls, B mouthfuls and X mouthfuls are had on valve body (6), A mouthfuls are import, and B mouthfuls are
Mouthful, the X mouthfuls of discharge openings for water flowing case;Between bi-bit bi-pass electromagnetic priority valve (1) and cover plate (2), cover plate (2) and valve body (6) it
Between be connected by screw together, the internal left axle by cover plate (2) of bi-bit bi-pass electromagnetic priority valve (1) and valve body (6) to
Limbers (2.4) is communicated, and the upper groove (2.1) of cover plate (2) is built with O-ring, O-ring and bi-bit bi-pass electromagnetic priority valve (1)
Laminating;The lower groove (2.3) of cover plate (2) is connected with the X mouths of valve body (6), and the right axial hole (2.2) of cover plate (2) makes cover plate (2)
Upper groove (2.1) is connected with lower groove (2.3), and shoulder hole is provided with the A mouths on valve body (6), and valve pocket (3) passes through with valve body (6)
Gap coordinates, and the radial equipartition of valve pocket (3) has several valve pocket through holes, and conical surface one end of valve element (5) is fitted into valve pocket through hole, valve
Several valve core through hole (5.1) of the radial equipartition of core (5), arranged direction and number and the valve pocket through hole phase of valve core through hole (5.1)
Unanimously, valve core through hole (5.1) is connected with valve element (5) upper end, and endoporus (5.2) is the axial hole at valve element (5) end center;Spring
(4) in the endoporus (5.2) of valve element (5), one end of spring (4) is connected with valve element (5), and the other end is connected with cover plate (2).
What is be provided with A mouthfuls of valve body (6) has shoulder hole that two-port valve can be made more sensitive to low pressure, realizes that low pressure is non-loaded and opens
It is dynamic.
Beneficial effect
The utility model provides a kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, more sensitive to low pressure, and valve core movement is put down
It is sliding, the pressure fluctuation of generation can be reduced, when electromagnetic priority valve no power, A mouthfuls of low pressure liquid can overcome spring force two
Port valve is opened, and A mouthful, B mouthful and X oral grooves lead to, it is possible to achieve startup that low pressure is non-loaded;When solenoid valves, A mouthfuls and B mouthfuls and X mouthfuls
Obstructed, because the cross-sectional area of valve element upper end is more than lower end, two-port valve is closed in the presence of pressure differential, and A mouthfuls are obstructed with B mouthfuls,
Realize pressure maintaining effect.This reversal valve small volume, response is fast, and functional reliability is high, long lifespan, good economy performance;Using cone valve form
The problems such as sealing of two-port valve can be improved, reduce the cavitation erosion of two-port valve, improves the response time of valve.
Valve body bottom is provided with shoulder hole, makes two-port valve make valve element overcome spring force to realize valve under low operating pressures
Open.
Uniform radial direction through hole is opened on valve element and is mutually linked up with valve element upper end, can accurately be controlled with reality by electromagnetic priority valve
The existing non-loaded startup of low pressure and pressure maintaining effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electromagnetic pilot-operated hydraulic two-way plug-in installed.
Fig. 2 (a) is a kind of fundamental diagram one of electromagnetic pilot-operated hydraulic two-way plug-in installed.
Fig. 2 (b) is a kind of fundamental diagram two of electromagnetic pilot-operated hydraulic two-way plug-in installed.
Fig. 3 is commutation valve cover diagrammatic cross-section.
Fig. 4 is change-over valve core diagrammatic cross-section.
Embodiment
As shown in figure 1, the utility model includes bi-bit bi-pass electromagnetic priority valve (1), cover plate (2), valve pocket (3), spring
(4) A mouthfuls, B mouthfuls and X mouthfuls are provided with, valve element (5), valve body (6), described valve body (6);During installation, valve pocket (3) is first loaded into valve
In body (6), then the one end of valve element (5) with taper surface is fitted into valve pocket (3), then spring (4) is loaded to the endoporus of valve element (5)
(5.2) in, cover plate (2) is finally mounted in valve body (6), bi-bit bi-pass electromagnetic priority valve (1) passes through fastening on cover plate (2)
Screw makes cover plate (2) tightly be fitted with cover plate (2) with valve body (6), bi-bit bi-pass electromagnetic priority valve (1).
Fig. 2 (a)-Fig. 2 (b) is a kind of fundamental diagram of electromagnetic pilot-operated hydraulic two-way plug-in installed of the utility model, Fig. 2
(a) magnetic valve is normally opened in, when magnetic valve no power, and A mouthfuls of low pressure liquid can overcome spring force to open two-port valve,
A mouthfuls, B mouthfuls and X oral grooves are logical, it is possible to achieve low pressure is non-loaded to be started, and when solenoid valves, its two ends is off, A mouthfuls
It is obstructed with X mouthfuls with B mouthfuls, because valve element (5) upper end cross-sectional area is more than lower end, cause two-port valve to close in the presence of pressure differential
Close, A mouthfuls obstructed with B mouthfuls, realizes pressure maintaining effect;Magnetic valve is normally closed in Fig. 2 (b), when solenoid valves, A mouthfuls of low pressure
Liquid can overcome spring force to open two-port valve, and A mouthfuls, B mouthfuls are mutually linked up with X mouthfuls, it is possible to achieve the low pressure of hydraulic system is without negative
Carry and start;When magnetic valve no power, its two ends is off, and A mouthfuls and B mouthfuls obstructed with X mouthfuls, due to valve element (5) upper end
Cross-sectional area is more than lower end, causes two-port valve to be closed in the presence of pressure differential, A mouthfuls obstructed with B mouthfuls, realizes pressure maintaining effect.
Fig. 3 is two-way valve cover (2) diagrammatic cross-section, the built-in O-ring of upper groove (2.1) and bi-bit bi-pass electromagnetic priority valve
(1) fit, the X oral grooves of lower groove (2.3) built-in O-ring and valve body (6) lead to, right axial hole (2.2) make thereon groove (2.1) with
Lower groove (2.3) is linked up, and left axial hole (2.4) makes bi-bit bi-pass electromagnetic priority valve (1) mutually be linked up with valve inner.
Fig. 4 is valve element (5) diagrammatic cross-section, and valve element (5) is the valve core structure of two-port valve, and valve element (5) is one end band taper
Cone valve structure, radial equipartition has four through holes (5.1) and mutually linked up with upper end, and two-port valve can be improved using cone valve form
The problems such as sealing, cavitation erosion of reduction two-port valve, improve the response time of valve.
Valve pocket (3) radially opens 4 or 6 or 8 uniform through holes with valve element (5), and uniform direction is consistent.
Claims (1)
1. a kind of electromagnetic pilot-operated hydraulic two-way plug-in installed, it is characterised in that:The inserted valve includes bi-bit bi-pass electromagnetic priority valve
(1), cover plate (2), valve pocket (3), spring (4), valve element (5), valve body (6);A mouthfuls, B mouthfuls and X mouthfuls, A mouthfuls are had on valve body (6)
For import, B mouthfuls are outlet, the X mouthfuls of discharge openings for water flowing case;Between bi-bit bi-pass electromagnetic priority valve (1) and cover plate (2), cover plate
(2) together with being connected by screw between valve body (6), bi-bit bi-pass electromagnetic priority valve (1) is covered with internal pass through of valve body (6)
The left axle of plate (2) is communicated to limbers (2.4), and the upper groove (2.1) of cover plate (2) is built with O-ring, O-ring and bi-bit bi-pass
Electromagnetic priority valve (1) is fitted;The lower groove (2.3) of cover plate (2) is connected with the X mouths of valve body (6), the right axial hole of cover plate (2)
(2.2) the upper groove (2.1) of cover plate (2) is connected with lower groove (2.3), shoulder hole, valve pocket are provided with the A mouths on valve body (6)
(3) coordinated with valve body (6) by gap, the radial equipartition of valve pocket (3) has several valve pocket through holes, conical surface one end of valve element (5)
Be fitted into valve pocket through hole, several valve core through hole (5.1) of the radial equipartition of valve element (5), the arranged direction of valve core through hole (5.1) and
Number is consistent with valve pocket through hole, and valve core through hole (5.1) is connected with valve element (5) upper end, and endoporus (5.2) is valve element (5) end
The axial hole at center;Spring (4) is in the endoporus (5.2) of valve element (5), and one end of spring (4) is connected with valve element (5), another
End is connected with cover plate (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621336834.0U CN206458833U (en) | 2016-12-07 | 2016-12-07 | A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621336834.0U CN206458833U (en) | 2016-12-07 | 2016-12-07 | A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed |
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CN206458833U true CN206458833U (en) | 2017-09-01 |
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CN201621336834.0U Expired - Fee Related CN206458833U (en) | 2016-12-07 | 2016-12-07 | A kind of electromagnetic pilot-operated hydraulic two-way plug-in installed |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107725879A (en) * | 2017-10-19 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | A kind of normally closed ratio one-way flow valves |
CN110081220A (en) * | 2019-04-11 | 2019-08-02 | 天津大学 | Rotating folding miniature valve based on long range silk transmission principle |
-
2016
- 2016-12-07 CN CN201621336834.0U patent/CN206458833U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107725879A (en) * | 2017-10-19 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | A kind of normally closed ratio one-way flow valves |
CN107725879B (en) * | 2017-10-19 | 2019-06-07 | 上海申花电工器材有限公司 | A kind of normally closed ratio one-way flow valves |
CN110081220A (en) * | 2019-04-11 | 2019-08-02 | 天津大学 | Rotating folding miniature valve based on long range silk transmission principle |
CN110081220B (en) * | 2019-04-11 | 2020-09-15 | 天津大学 | Rotary opening and closing micro valve based on long-distance wire transmission principle |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20211207 |