CN103437793A - Integral spring return plug-in type hand-operated reversing valve - Google Patents
Integral spring return plug-in type hand-operated reversing valve Download PDFInfo
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- CN103437793A CN103437793A CN2013104120455A CN201310412045A CN103437793A CN 103437793 A CN103437793 A CN 103437793A CN 2013104120455 A CN2013104120455 A CN 2013104120455A CN 201310412045 A CN201310412045 A CN 201310412045A CN 103437793 A CN103437793 A CN 103437793A
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Abstract
The invention discloses an integral spring return plug-in type hand-operated reversing valve which comprises a valve body, an operation mechanism and a connector, wherein a front row of working cavities and a rear row of working cavities are formed in the valve body; a liquid inlet process hole and a liquid return process hole are drilled in the end surface of the valve body and communicated with a valve cavity; a liquid inlet and a liquid return hole are drilled in the plane of a working hole of the valve body, connected in series with the liquid inlet process hole and the liquid return process hole and communicated with the valve cavity; a liquid return valve cushion, a pressure screw, a clamping sleeve, a gasket, a second spring and a pressure rod form a pressure rod assembly; the pressure rod assembly is sealed with the plane of a sleeve valve; the sleeve valve is sealed with the plane of the valve cushion; a valve sleeve, a first spring, the sleeve valve, the valve cushion and the left side of a middle sleeve are tightened by threads to form a whole body; the pressure rod assembly, a rod sleeve and the right side of the middle sleeve are tightened by fastening screws to form a set of valve core assembly; the valve core assembly as an integral plug-in piece is mounted in the valve cavity. The hand-operated reversing valve is used for a hydraulic bracket on a fully mechanized coal mining face.
Description
Technical field
The present invention relates to a kind of hand-operated direction valve, refer in particular to a kind of Monolithic spring for coal mine fully-mechanized mining working hydraulic support plug-in mounting type manual reserving valve that resets.
Background technology
In the prior art, the structure of hand-operated direction valve is varied, " the reversal valve " (ZL200520003881.9 that metered flow is 400L/min as disclosed as Chinese patent, the day for announcing: on March 28th, 2006), it comprises valve body, operating mechanism, valve body has upper and lower working chamber, the upper working chamber liquid in-out mouth that communicates with lower working chamber two places, and upper working chamber is identical with lower working chamber structure.In the colliery industry, also there is the people reversal valve to be called to " control valve ".Reversal valve, in hydraulic bracket control system, is controlled the liquid flow path direction, the different actions such as realizing the hydraulic support lifting, pass, try to stop people from fighting each other, side guard board is stretched receipts, wall supporting is stretched receipts.But the hand-operated direction valve used at present is parts assembled type, due to the hermetically-sealed construction defect, while using under the numerous coal mine in the whole nation, sealing surface Seepage between liquid, plate valve and plate valve has appearred advancing back, limited by conditions down-hole, each leakage position can't, at the colliery maintenance of underground, make to maintenance of underground, production, replacing and bring many difficulties.
Summary of the invention
The object of the present invention is to provide a kind of a kind of Monolithic spring for coal mine fully-mechanized mining working hydraulic support plug-in mounting type manual reserving valve that resets, its compact conformation, be convenient to installation and maintenance, and contamination resistance is strong, and sealing performance is reliable, and flow is large.
For achieving the above object, the solution that the present invention takes is: a kind of Monolithic spring plug-in mounting type manual reserving valve that resets, it comprises valve body, operating mechanism, joint, have valve pocket in valve body, nail pressing has back the liquid valve pad outward, cutting ferrule and depression bar, return the liquid valve pad between nail pressing and cutting ferrule, cutting ferrule contacts with depression bar, depression bar has packing ring and spring two outward, packing ring contacts with cutting ferrule, spring 21 ends withstand packing ring, the other end withstands the step of depression bar, return the liquid valve pad, nail pressing, cutting ferrule, packing ring, spring two and depression bar form the depression bar assembly, depression bar assembly and cylinder valve flat seal, the cylinder valve has middle cover outward, valve pocket, middle cover has valve pad outward, valve pad is between cylinder valve and middle cover, the built-in spring one of valve pocket, spring is held the step that withstands valve pocket one by one, the other end withstands a valve, valve pocket coordinates and tightens with middle external threading, the outer loop bar cover of depression bar assembly, the bar cover puts in trip bolt is fixed on, said structure forms a set of core assembly, core assembly is made the as a whole plug connector valve pocket of packing into.
Compact conformation of the present invention.Depression bar assembly and cylinder valve flat seal, cylinder valve and middle sleeving valve are leveled up the face sealing, the hermetically closing more reliable performance, contamination resistance is strong.Core assembly is made as a whole plug connector, with the special tool integral body valve pocket of packing into, but integral demounting while needing maintenance, to facilitate well servicing under the attendant of colliery.
The accompanying drawing explanation
Fig. 1 is that the master of the present embodiment looks cross-sectional view.
Fig. 2 is that the profile schematic diagram is looked on the left side of the present embodiment.
Fig. 3 be the present embodiment look up the profile schematic diagram.
Fig. 4 is the core assembly cross-sectional schematic of the present embodiment.
In figure: 1, valve body, 2, joint, 3, valve pocket, 4, spring one, 5, cylinder valve, 6, valve pad, 7, middle cover, 8, nail pressing, 9, return the liquid valve pad, 10, trip bolt, 11, cutting ferrule, 12, packing ring, 13, spring two, 14, depression bar, 15, bar cover, 16, operating mechanism, 17, liquid return hole, 18, inlet, 19, front working hole, 20, rear working hole.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is remake to description.
Referring to Fig. 1-Fig. 4, a kind of Monolithic spring plug-in mounting type manual reserving valve that resets, it comprises valve body 1, operating mechanism 16, joint 2, have valve pocket in valve body 1, liquid valve pad 9 is arranged back outside nail pressing 8, cutting ferrule 11 and depression bar 14, return liquid valve pad 9 between nail pressing 8 and cutting ferrule 11, cutting ferrule 11 contacts with depression bar 14, packing ring 12 and spring 2 13 are arranged outside depression bar 14, packing ring 12 contacts with cutting ferrule 11, spring 2 13 1 ends withstand packing ring 12, the other end withstands the step of depression bar 14, return liquid valve pad 9, nail pressing 8, cutting ferrule 11, packing ring 12, spring 2 13 and depression bar 14 form the depression bar assembly, depression bar assembly and cylinder valve 5 flat seals, outside cylinder valve 5, middle cover 7 is arranged, valve pocket 3, outside middle cover 7, valve pad 6 is arranged, valve pad 6 is between cylinder valve 5 and middle cover 7, the built-in spring 1 of valve pocket 3, spring one 4 one ends withstand the step of valve pocket 3, the other end withstands a valve 5, valve pocket 3 is tightened with middle cover 7 threaded engagement, the outer loop bar cover 15 of depression bar assembly, bar cover 15 is in trip bolt 10 is fixed on cover 7, said structure forms a set of core assembly, core assembly is made the as a whole plug connector valve pocket of packing into.
Referring to Fig. 1, described joint 2 is as the separate unit valve pocket of packing into.
Referring to Fig. 1 and Fig. 3, the end of described valve body 1 is drilled with the feed liquor fabrication hole and returns the liquid fabrication hole and communicates with valve pocket.
Referring to Fig. 1-Fig. 4, described valve body 1 is monolithic construction, wherein have two valve chambeies, five valve pockets of every row, front-seat valve pocket all is provided with front working hole 19, rear row's valve pocket all is provided with rear working hole 20, also is drilled with inlet 18 and liquid return hole 17 in valve body 1, and inlet 18 and liquid return hole 17 communicate and connect and communicate with each valve pocket with feed liquor fabrication hole and time liquid fabrication hole respectively.
Referring to Fig. 1-Fig. 4, its operating principle is: when operating mechanism 16 mediates, lead to each working hole and communicate with liquid return hole through returning the liquid fabrication hole.The cylinder valve 5 under the effect of spring 1 with valve pad 6 flat seals; When operating mechanism 16 is depressed the depression bar of front working chamber 14, the liquid valve pad 9 that returns in the depression bar assembly first contacts sealing with cylinder valve 5, then the depression bar assembly backs down a valve 5, form the feed liquor opening between cylinder valve 5 and middle cover 6, the highly pressurised liquid of inlet 18 enters from this mouth through the feed liquor fabrication hole, by working hole 1 to bracket upright post or jack feed flow; When the depression bar assembly in lower working chamber is depressed, bracket upright post or jack return liquid liquid by the gap between epicoele working hole 2 20 process cylinder valve 5 endoporus and cylinder valve 5 and nail pressing 8, flow into liquid return hole 17 through returning the liquid fabrication hole again, with this realize setting prop, fall post, the work such as passing.When the complete handgrip of work while again pulling meta, the depression bar assembly is under the restoring force effect of spring 2 13, and the depression bar assembly is toward operating mechanism 16 side shiftings, has guaranteed to remain gap between cylinder valve 5 and nail pressing 8 when operating mechanism 16 place meta.
The present embodiment is a kind of Monolithic spring plug-in mounting type manual reserving valve that resets, metered flow: 200L/min, and operating pressure: 31.5MPa, working media is 5% oil emulsion, 95% neutral water mix emulsion fluid.
Claims (4)
1. the Monolithic spring plug-in mounting type manual reserving valve that resets, it comprises valve body (1), operating mechanism (16), joint (2), valve body has valve pocket in (1), it is characterized in that: liquid valve pad (9) is arranged back outside nail pressing (8), cutting ferrule (11) and depression bar (14), return liquid valve pad (9) between nail pressing (8) and cutting ferrule (11), cutting ferrule (11) contacts with depression bar (14), packing ring (12) and spring two (13) are arranged outside depression bar (14), packing ring (12) contacts with cutting ferrule (11), spring two (13) one ends withstand packing ring (12), the other end withstands the step of depression bar (14), return liquid valve pad (9), nail pressing (8), cutting ferrule (11), packing ring (12), spring two (13) and depression bar (14) form the depression bar assembly, depression bar assembly and cylinder valve (5) flat seal, middle cover (7) is arranged outside cylinder valve (5), valve pocket (3), valve pad (6) is arranged outside middle cover (7), valve pad (6) is between cylinder valve (5) and middle cover (7), the built-in spring one (4) of valve pocket (3), spring one (4) one end withstands the step of valve pocket (3), the other end withstands a valve (5), valve pocket (3) is tightened with middle cover (7) threaded engagement, the outer loop bar cover (15) of depression bar assembly, bar cover (15) is in trip bolt (10) is fixed on cover (7), said structure forms a set of core assembly, core assembly is made the as a whole plug connector valve pocket of packing into.
2. a kind of Monolithic spring according to claim 1 plug-in mounting type manual reserving valve that resets is characterized in that: described joint (2) is as the separate unit valve pocket of packing into.
3. a kind of Monolithic spring according to claim 1 plug-in mounting type manual reserving valve that resets, it is characterized in that: the end of described valve body (1) is drilled with the feed liquor fabrication hole and returns the liquid fabrication hole and communicates with valve pocket.
4. according to the described a kind of Monolithic spring of claim 1 or 3 plug-in mounting type manual reserving valve that resets, it is characterized in that: described valve body (1) is monolithic construction, wherein have two valve chambeies, five valve pockets of every row, front-seat valve pocket all is provided with front working hole (19), rear row's valve pocket all is provided with rear working hole (20), also be drilled with inlet (18) and liquid return hole (17) in valve body (1), inlet (18) and liquid return hole (17) communicate and connect and communicate with each valve pocket with feed liquor fabrication hole and time liquid fabrication hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104120455A CN103437793A (en) | 2013-09-05 | 2013-09-05 | Integral spring return plug-in type hand-operated reversing valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104120455A CN103437793A (en) | 2013-09-05 | 2013-09-05 | Integral spring return plug-in type hand-operated reversing valve |
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| CN103437793A true CN103437793A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013104120455A Pending CN103437793A (en) | 2013-09-05 | 2013-09-05 | Integral spring return plug-in type hand-operated reversing valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179744A (en) * | 2014-08-06 | 2014-12-03 | 浙江海宏液压科技股份有限公司 | Hydraulic parking valve |
| CN106194872A (en) * | 2016-08-29 | 2016-12-07 | 天津华宁电子有限公司 | A kind of mining hand reversal valve group that can promote maintenance efficiency |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521308U (en) * | 2009-10-22 | 2010-07-07 | 郑州煤机液压电控有限公司 | High flow capacity insertion type manual direction-changing valve for hydraulic supporting frame |
| CN201982120U (en) * | 2011-01-14 | 2011-09-21 | 丰隆液压有限公司 | Plug-in mounting type manual reserving valve |
| CN202047846U (en) * | 2011-05-22 | 2011-11-23 | 丰隆液压有限公司 | Inserted hard-sealed manual reversing valve with automatic resetting device |
| CN202544871U (en) * | 2012-05-04 | 2012-11-21 | 丰隆液压有限公司 | Manual change valve with spring return plug-in hard seal |
| CN202544872U (en) * | 2012-05-04 | 2012-11-21 | 丰隆液压有限公司 | Sealing manual reversing valve with spring resetting cartridge valve pad |
| CN202937281U (en) * | 2012-12-02 | 2013-05-15 | 叶茂 | Three-position four-way inserted type manual-operation reversing valve |
| CN203702193U (en) * | 2013-09-05 | 2014-07-09 | 丰隆液压有限公司 | Integral spring reset inserting type manual reversing valve |
-
2013
- 2013-09-05 CN CN2013104120455A patent/CN103437793A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521308U (en) * | 2009-10-22 | 2010-07-07 | 郑州煤机液压电控有限公司 | High flow capacity insertion type manual direction-changing valve for hydraulic supporting frame |
| CN201982120U (en) * | 2011-01-14 | 2011-09-21 | 丰隆液压有限公司 | Plug-in mounting type manual reserving valve |
| CN202047846U (en) * | 2011-05-22 | 2011-11-23 | 丰隆液压有限公司 | Inserted hard-sealed manual reversing valve with automatic resetting device |
| CN202544871U (en) * | 2012-05-04 | 2012-11-21 | 丰隆液压有限公司 | Manual change valve with spring return plug-in hard seal |
| CN202544872U (en) * | 2012-05-04 | 2012-11-21 | 丰隆液压有限公司 | Sealing manual reversing valve with spring resetting cartridge valve pad |
| CN202937281U (en) * | 2012-12-02 | 2013-05-15 | 叶茂 | Three-position four-way inserted type manual-operation reversing valve |
| CN203702193U (en) * | 2013-09-05 | 2014-07-09 | 丰隆液压有限公司 | Integral spring reset inserting type manual reversing valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179744A (en) * | 2014-08-06 | 2014-12-03 | 浙江海宏液压科技股份有限公司 | Hydraulic parking valve |
| CN106194872A (en) * | 2016-08-29 | 2016-12-07 | 天津华宁电子有限公司 | A kind of mining hand reversal valve group that can promote maintenance efficiency |
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Application publication date: 20131211 |