CN201908885U - Double-acting automatic pressure-increasing valve - Google Patents
Double-acting automatic pressure-increasing valve Download PDFInfo
- Publication number
- CN201908885U CN201908885U CN2011200417755U CN201120041775U CN201908885U CN 201908885 U CN201908885 U CN 201908885U CN 2011200417755 U CN2011200417755 U CN 2011200417755U CN 201120041775 U CN201120041775 U CN 201120041775U CN 201908885 U CN201908885 U CN 201908885U
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- Prior art keywords
- way valve
- valve
- chamber
- liquid
- piston
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a double-acting automatic pressure-increasing valve, which comprises a piston shell and a cross-shaped piston; the left-end piston surface and the right-end piston surface of a transverse piston body of the cross-shaped piston and the piston shell respectively form a cavity A and a cavity D; the left piston surface and the right piston surface of a vertical piston body of the cross-shaped piston and the piston shell respectively form a cavity B and a cavity C; the cavity A and the cavity D are communicated with a high-pressure liquid outlet through a left liquid-outlet one-way valve and a right liquid-outlet one-way valve and are communicated with the cavity B, the cavity C and two working valve ports of a two-position four-way liquid-control reversing valve through a left liquid-inlet one-way valve and a right liquid-inlet one-way valve; a liquid inlet of the two-position four-way liquid-control reversing valve is communicated with a liquid outlet of a left push-rod type one-way valve; a left-position liquid-control port is communicated with the liquid outlet of the left push-rod type one-way valve; a push rod of the left push-rod type one-way valve extends into the cavity A; a right-position liquid-control port is respectively communicated with a liquid inlet of the left push-rod type one-way valve and a liquid outlet of a right push-rod type one-way valve; a push rod of the right push-rod type one-way valve extends into the cavity D; and a liquid inlet of the right push-rod type one-way valve is communicated with a liquid return port. The utility model is used for realizing the purpose of bidirectional and automatic pressure increase.
Description
Technical field
The utility model relates to the hydraulic control pressure charging valve, especially relates to the double-action automatic pressure-increasing valve.
Background technique
Pressure charging valve is a kind of pressure charging valve that the low pressure oil in the Hydraulic Power Transmission System can be converted in proportion high pressure oil.It is to be made of valve body, pressurized machine and hydraulicchange-over valve etc.By advancing in the valve body, back oil road, the cooperation of control oilhole and oil drain valve combines pressurized machine and hydraulicchange-over valve.The reversing mode of hydraulic control pressure charging valve takes the external control selector valve to commutate more at present, and to reach the purpose of supercharging, its deficiency is that automaticity is low, can not realize the automatic reverse supercharging.Also have a kind of pressure charging valve that can realize the automatic reverse supercharging, but belong to unidirectional supercharging, be i.e. play pressurization during charged piston (or right) motion left, when charged piston (or left side) motion (resetting) to the right, do not play pressurization, so inefficiency.
Summary of the invention
The utility model purpose is to provide the double-action automatic pressure-increasing valve of a kind of compact structure, high working efficiency.
For achieving the above object, the utility model can be taked following technical proposals:
Double-action automatic pressure-increasing valve described in the utility model, it comprises piston shell and the piston that sets within it; The inner chamber of described piston shell is the cross-shaped cavity cell structure; Described piston is the cross piston that adapts with described cross chamber; The left and right two end plug faces of the horizontal cock body of described cross piston constitute A chamber and D chamber respectively and between the piston shell; The left and right two plug faces of the perpendicular cock body of cross piston constitute B chamber and C chamber respectively and between the piston shell; Described A chamber and D chamber are connected with the high pressure liquid outlet respectively by left and right fluid one-way valve, are connected with two work valve ports of described B chamber, C chamber and two four-way pilot operated directional control valves respectively by left and right feed liquor one-way valve; The liquid entering hole of described two four-way pilot operated directional control valves is communicated with left post rod type one-way valve or switch valve liquid outlet; The place is provided with pressure spring at the left side of two four-way pilot operated directional control valves position hydraulic control mouth, perhaps left side position hydraulic control mouth is connected with left post rod type one-way valve or switch valve liquid outlet; The push rod sealing of described left post rod type one-way valve or switch valve is slided and is extended in the described A chamber; The right position hydraulic control mouth of two four-way pilot operated directional control valves is communicated with left post rod type one-way valve or switch valve liquid entering hole, right post rod type one-way valve or switch valve liquid outlet respectively; The push rod sealing of described right post rod type one-way valve or switch valve is slided and is extended in the described D chamber; The liquid entering hole of right post rod type one-way valve or switch valve is communicated with the liquid return hole of two four-way pilot operated directional control valves.
The utility model advantage is to control by two four-way pilot operated directional control valves the moving direction of cross piston, and the cross piston controls left post rod type one-way valve (or switch valve) and whether right post rod type one-way valve (or switch valve) is opened.And the unlatching of left post rod type one-way valve or (switch valve) and right post rod type one-way valve (or switch valve), close the working position of controlling two four-way pilot operated directional control valves: promptly two four-way pilot operated directional control valves, left post rod type one-way valve (or switch valve) and right post rod type one-way valves (or switch valve) and cross piston form closed loop control, thereby realize two-way automatic supercharging purpose; The supercharging of all doing work when being the left and right motion of cross piston has improved the working efficiency of automatic supercharging greatly, under output power the same terms, doubles than existing unidirectional pressure charging valve working efficiency, has dwindled the volume that takes up room of pressure charging valve simultaneously greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, double-action automatic pressure-increasing valve described in the utility model, it comprises piston shell 1 and the piston that sets within it; The inner chamber of described piston shell 1 is the cross-shaped cavity cell structure; Described piston is the cross piston that adapts with described cross chamber; The horizontal cock body 2 left and right two end plug faces of described cross piston constitute A chamber and D chamber respectively and between the piston shell 1; The perpendicular cock body 3 left and right two plug faces of cross piston constitute B chamber and C chamber respectively and between the piston shell 1; Described A chamber and D chamber are connected with high pressure liquid outlet 6 respectively by left and right fluid one-way valve 4,5, are connected with two work valve ports 10,11 of described B chamber, C chamber and two four-way pilot operated directional control valves 9 respectively by left and right feed liquor one-way valve 7,8; The liquid entering hole 13 of described two four-way pilot operated directional control valves 9 is communicated with the liquid outlet of left post rod type one-way valve 14; The left side position hydraulic control mouth 12 of two four-way pilot operated directional control valves 9 is connected with left post rod type one-way valve 14 liquid outlets; Push rod 15 sealings of described left post rod type one-way valve 14 are slided and are extended in the described A chamber; The right position hydraulic control mouth 16 of two four-way pilot operated directional control valves 9 is communicated with left post rod type one-way valve 14 liquid entering holes, right post rod type one-way valve 17 liquid outlets respectively; Push rod 18 sealings of described right post rod type one-way valve 17 are slided and are extended in the described D chamber; The liquid entering hole of right post rod type one-way valve 17 is communicated with the liquid return hole 19 of two four-way pilot operated directional control valves 9.
The utility model working principle is as follows:
As shown in Figure 1, when double-action automatic pressure-increasing valve described in the utility model is worked, liquid is in two four-way pilot operated directional control valve liquid entering holes 13 enter position, the left side control chamber of two four-way pilot operated directional control valves 9, because this moment, left post rod type one-way valve 14 was in closed condition, position, a left side at two four-way pilot operated directional control valves 9 is controlled under the effect of liquid, the position, a left side of two four-way pilot operated directional control valves 9 is in running order, liquid enters C chamber and D chamber from the work valve port 11 of two four-way pilot operated directional control valves 9, promote the cross piston to left movement, the liquid that is pressurized in the A chamber is discharged by high pressure liquid outlet 6 behind left fluid one-way valve 4; Liquid in the B chamber is through 19 times liquid of liquid return hole of two four-way pilot operated directional control valves 9; When moving to limit position left, the cross piston promotes the push rod 15 of left post rod type one-way valve 14, left side post rod type one-way valve 14 is opened, by the liquid of left post rod type one-way valve 14 sealings through left post rod type one-way valve 14, the right position hydraulic control mouth 16 of two four-way pilot operated directional control valves 9 enters in the control chamber of right position, this moment, right post rod type one-way valve 17 was closed, hydraulic coupling in the control chamber of position, a left side is less than the hydraulic coupling in the control chamber of right position, two four-way pilot operated directional control valve 9 commutations, promptly right position is in running order, at this moment the liquid that enters from two four-way pilot operated directional control valves, 9 liquid entering holes 13 enters A chamber and B chamber, promoting the cross piston moves right, left side post rod type one-way valve 14 is closed, and the liquid that is pressurized in the D chamber is discharged by high pressure liquid outlet 6 behind right fluid one-way valve 5; Liquid in the C chamber is through 19 times liquid of liquid return hole of two four-way pilot operated directional control valves 9; When moving right limit position, the cross piston promotes the push rod 18 of right post rod type one-way valve 17, right post rod type one-way valve 17 is opened, by 17 sealings of right post rod type one-way valve, act on liquid in the control chamber of right position from 19 times liquid off-loads of liquid return hole of two four-way pilot operated directional control valves 9,9 commutations of two four-way pilot operated directional control valves, promptly position, a left side is in running order begins to enter next supercharging cyclic process automatically.
Claims (1)
1. double-action automatic pressure-increasing valve, it comprises piston shell (1) and the piston that sets within it; It is characterized in that: the inner chamber of described piston shell (1) is the cross-shaped cavity cell structure; Described piston is the cross piston that adapts with described cross chamber; The left and right two end plug faces of the horizontal cock body (2) of described cross piston constitute A chamber and D chamber respectively and between the piston shell (1); The left and right two plug faces of the perpendicular cock body (3) of cross piston constitute B chamber and C chamber respectively and between the piston shell (1); Described A chamber and D chamber are connected with high pressure liquid outlet (6) respectively by left and right fluid one-way valve (4,5), are connected with two work valve ports (10,11) of described B chamber, C chamber and two four-way pilot operated directional control valves (9) respectively by left and right feed liquor one-way valve (7,8); The liquid entering hole (13) of described two four-way pilot operated directional control valves (9) is communicated with left post rod type one-way valve (14) or switch valve liquid outlet; Left side position hydraulic control mouth (12) at two four-way pilot operated directional control valves (9) locates to be provided with pressure spring, perhaps left side position hydraulic control mouth (12) is connected with left post rod type one-way valve (14) or switch valve liquid outlet; Push rod (15) sealing of described left post rod type one-way valve (14) or switch valve is slided and is extended in the described A chamber; The right position hydraulic control mouth (16) of two four-way pilot operated directional control valves (9) is communicated with left post rod type one-way valve (14) or switch valve liquid entering hole, right post rod type one-way valve (17) or switch valve liquid outlet respectively; Push rod (18) sealing of described right post rod type one-way valve (17) or switch valve is slided and is extended in the described D chamber; The liquid entering hole of right post rod type one-way valve (17) or switch valve is communicated with the liquid return hole (19) of two four-way pilot operated directional control valves (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200417755U CN201908885U (en) | 2011-02-19 | 2011-02-19 | Double-acting automatic pressure-increasing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200417755U CN201908885U (en) | 2011-02-19 | 2011-02-19 | Double-acting automatic pressure-increasing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908885U true CN201908885U (en) | 2011-07-27 |
Family
ID=44301088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200417755U Expired - Lifetime CN201908885U (en) | 2011-02-19 | 2011-02-19 | Double-acting automatic pressure-increasing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201908885U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072217A (en) * | 2011-02-19 | 2011-05-25 | 郑州煤机液压电控有限公司 | Double-acting automatic pressure increasing valve |
| CN106481603A (en) * | 2015-08-24 | 2017-03-08 | 晋中浩普液压设备有限公司 | Twin-tub supertension automatic reciprocating booster |
| CN108488111A (en) * | 2018-05-18 | 2018-09-04 | 东莞海特帕沃液压科技有限公司 | A kind of low noise hydraulic intensifier |
| CN108612684A (en) * | 2018-06-29 | 2018-10-02 | 中国矿业大学(北京) | It is a kind of to automatically switch continuous fluid injection supercharging device |
-
2011
- 2011-02-19 CN CN2011200417755U patent/CN201908885U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072217A (en) * | 2011-02-19 | 2011-05-25 | 郑州煤机液压电控有限公司 | Double-acting automatic pressure increasing valve |
| CN106481603A (en) * | 2015-08-24 | 2017-03-08 | 晋中浩普液压设备有限公司 | Twin-tub supertension automatic reciprocating booster |
| CN106481603B (en) * | 2015-08-24 | 2018-04-10 | 晋中浩普液压设备有限公司 | Twin-tub super-pressure automatic reciprocating booster |
| CN108488111A (en) * | 2018-05-18 | 2018-09-04 | 东莞海特帕沃液压科技有限公司 | A kind of low noise hydraulic intensifier |
| CN108488111B (en) * | 2018-05-18 | 2019-09-06 | 上海哈塔柴油机有限公司 | A kind of low noise hydraulic intensifier |
| CN108612684A (en) * | 2018-06-29 | 2018-10-02 | 中国矿业大学(北京) | It is a kind of to automatically switch continuous fluid injection supercharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110727 Effective date of abandoning: 20130410 |
|
| RGAV | Abandon patent right to avoid regrant |