CN103470282A - Integrally-inserted conical sealing reversal valve - Google Patents
Integrally-inserted conical sealing reversal valve Download PDFInfo
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- CN103470282A CN103470282A CN201310437978XA CN201310437978A CN103470282A CN 103470282 A CN103470282 A CN 103470282A CN 201310437978X A CN201310437978X A CN 201310437978XA CN 201310437978 A CN201310437978 A CN 201310437978A CN 103470282 A CN103470282 A CN 103470282A
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Abstract
The invention provides an integrally-inserted conical sealing reversal valve which comprises a valve body and a control mechanism, wherein the valve body is internally provided with a front row of working cavities and a rear row of working cavities, the flat surface of the valve body is provided with a liquid inlet and a liquid return port which are communicated with the working cavities, the front row of working cavities are communicated with a working port I, and the rear row of working cavities are communicated with a working port II; a liquid return valve pad is clamped in a valve stem so as to constitute a valve stem component; the valve stem component is sleeved in a stem sleeve; a valve rod is inserted into a valve sleeve; a protective sleeve and a valve base are clamped in the valve sleeve; the valve rod, the protective sleeve, the valve base and the valve stem constitute a valve sleeve component; a spring and a valve core are arranged in a plug so as to constitute a plug component; one end of the spring props against the plug, the other end of the spring props against the valve core, the plug component and the valve sleeve component are screwed into a whole by virtue of threads, The valve sleeve and the valve sleeve component are connected by virtue of a fastening screw, the valve core and the valve base are in conical sealing, and the valve stem component and the valve rod are in planar sealing, so that a valve core component is formed; the valve core component serving as an integral plug-in piece is loaded into each working cavity. The reversal valve provided by the invention is used for a hydraulic support for 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 hand-operated direction valve for the coal mine fully-mechanized mining working hydraulic support.
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 integral plugged formula conical surface seal reversal valve for the coal mine fully-mechanized mining working hydraulic support, its compact conformation, be convenient to installation and maintenance, and sealing performance is reliable, and flow is large, long service life.
For achieving the above object, the solution that the present invention takes is: a kind of integral plugged formula conical surface seal reversal valve, it comprises valve body, operating mechanism, have front-seat working chamber and rear row's working chamber in valve body, the place, plane of valve body is drilled with inlet and liquid return hole communicates with working chamber, the logical working hole one of front-seat working chamber, rear row's working chamber leads to working hole two; Clamp back the liquid valve pad in valve rod and form valve rod assembly, valve rod assembly is inserted in the bar cover, valve rod inserts valve pocket, protective sleeve and valve seat are installed in valve pocket, valve rod, protective sleeve, valve seat, valve pocket form the valve pocket assembly, spring, the spool screw plug of packing into forms the screw plug assembly, spring one end withstands screw plug, the other end withstands spool, screw plug assembly and valve pocket assembly rely on screw thread to tighten the composition one, the bar cover is connected by trip bolt with the valve pocket assembly, spool and valve seat conical surface seal, valve rod assembly and valve rod flat seal, said structure forms a set of core assembly; Core assembly is made as a whole plug connector each working chamber of packing into.
This kind of integral plugged formula conical surface seal structure of reversing valve is very compact, for the coal mine fully-mechanized mining working hydraulic support.Valve rod assembly and valve rod flat seal, spool and valve seat conical surface seal, protective sleeve plays valve seat, the hermetically closing more reliable performance.Core assembly is made as a whole plug connector, with the special tool integral body working chamber of packing into, but integral demounting while needing maintenance, to facilitate well servicing under the attendant of colliery.Working hole, in the left and right sides, when this reversal valve is found to leak, can directly be changed core assembly, the sebific duct and the operating mechanism that connect without dismounting.
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 is core assembly sectional structure schematic diagram.
In figure: 1, valve body, 2, screw plug, 3, spring, 4, spool, 5, valve seat, 6, maintainance set, 7, valve pocket, 8, valve rod, 9, trip bolt, 10, the bar cover, 11, return the liquid valve pad, 12, valve rod, 14, operating mechanism, 15, liquid return hole, 16, inlet, 17, working hole one, 18, working hole two, 19, liquid inlet joint, 20, return the liquid joint, 21, core assembly.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is remake to description.
Referring to Fig. 1-Fig. 3, a kind of integral plugged formula conical surface seal reversal valve, it comprises valve body 1, operating mechanism 14, have front-seat working chamber and rear row's working chamber in valve body 1, the place, plane of valve body 1 is drilled with inlet 16 and liquid return hole 15 communicates with working chamber, the logical working hole 1 of front-seat working chamber, rear row's working chamber leads to working hole 2 18, clamp back liquid valve pad 11 in valve rod 12 and form valve rod assembly, valve rod assembly is inserted in bar cover 10, valve rod 8 inserts valve pocket 7, protective sleeve 6 and valve seat 5 are installed in valve pocket 7, valve rod 8, protective sleeve 6, valve seat 5, valve pocket 7 forms the valve pocket assembly, spring 3, pack into screw plug 2 of spool 4 forms the screw plug assemblies, spring 3 one ends withstand screw plug 2, the other end withstands spool 4, screw plug assembly and valve pocket assembly rely on screw thread to tighten the composition one, bar cover 10 is connected by trip bolt 9 with the valve pocket assembly, spool 4 and valve seat 5 conical surface seals, valve rod assembly and valve rod 8 flat seals, said structure forms a set of core assembly 21, core assembly 21 is made as a whole plug connector each working chamber of packing into.
Referring to Fig. 1-Fig. 3, described valve seat 5 is made by engineering plastics, and protective sleeve 6 plays protection valve seat 5, strengthens the compressive strength of valve seat 5.
Referring to Fig. 1-Fig. 3, described valve body 1 is monolithic construction, wherein has two row's working chambers, and six working chambers of every row, have six plate valves.This structure, make need not seal between each plate valve, leakproof phenomenon generation forever between plate valve and plate valve.
Referring to Fig. 1, described inlet 16 taps into liquid joint 19, and described liquid return hole 15 takes back liquid joint 20.
Referring to Fig. 1-Fig. 3, its operating principle is: when all operating mechanisms 14 mediate, the interface that leads to each working chamber communicates with liquid back pipe.Spool 4 under the effect of spring 3 with valve seat 5 conical surface seals; When a slice operating mechanism 14 is depressed the valve rod of front working chamber 12, the liquid valve pad 11 that returns in valve rod assembly first contacts sealing with valve rod 8, then valve rod 8 backs down spool 4, form the feed liquor opening between spool 4 and valve seat 5, the highly pressurised liquid of inlet 16 enters from this mouth, by working hole 1 to bracket upright post or jack feed flow; When the valve rod assembly in front-seat working chamber is depressed, bracket upright post or jack return liquid liquid by rear row's working chamber working hole 2 18, through the gap between valve rod 8 and time liquid valve pad 11, get back to liquid return hole 15, realize the work such as setting prop, passing with this; When same a slice operating mechanism 14 operates round about, operating principle is identical, with this realize falling post, the work such as try to stop people from fighting each other; The operation of all the other sheets sheet therewith is identical.
The present embodiment is integral plugged formula conical surface seal reversal valve, metered flow: 125L/min, and operating pressure: 31.5MPa, working media is 5% oil emulsion, 95% neutral water mix emulsion fluid.
Claims (3)
1. an integral plugged formula conical surface seal reversal valve, it comprises valve body (1), operating mechanism (14), have front-seat working chamber and rear row's working chamber in valve body (1), the place, plane of valve body (1) is drilled with inlet (16) and liquid return hole (15) communicates with working chamber, the logical working hole one (17) of front-seat working chamber, rear row's working chamber leads to working hole two (18), it is characterized in that: clamp back liquid valve pad (11) in valve rod (12) and form valve rod assembly, valve rod assembly is inserted in bar cover (10), valve rod (8) inserts valve pocket (7), protective sleeve (6) and valve seat (5) are installed in valve pocket (7), valve rod (8), protective sleeve (6), valve seat (5), valve pocket (7) forms the valve pocket assembly, spring (3), spool (4) screw plug (2) of packing into forms the screw plug assembly, spring (3) one ends withstand screw plug (2), the other end withstands spool (4), screw plug assembly and valve pocket assembly rely on screw thread to tighten the composition one, bar cover (10) is connected by trip bolt (9) with the valve pocket assembly, spool (4) and valve seat (5) conical surface seal, valve rod assembly and valve rod (8) flat seal, said structure forms a set of core assembly (21), core assembly (21) is made as a whole plug connector each working chamber of packing into.
2. a kind of integral plugged formula conical surface seal reversal valve according to claim 1, it is characterized in that: described valve body (1) is monolithic construction, wherein has two row's working chambers, six working chambers of every row, have six plate valves.
3. a kind of integral plugged formula conical surface seal reversal valve according to claim 1, it is characterized in that: described inlet (16) taps into liquid joint (19), and described liquid return hole (15) takes back liquid joint (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437978XA CN103470282A (en) | 2013-09-16 | 2013-09-16 | Integrally-inserted conical sealing reversal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437978XA CN103470282A (en) | 2013-09-16 | 2013-09-16 | Integrally-inserted conical sealing reversal valve |
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| CN103470282A true CN103470282A (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310437978XA Pending CN103470282A (en) | 2013-09-16 | 2013-09-16 | Integrally-inserted conical sealing reversal valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017198103A1 (en) * | 2016-05-16 | 2017-11-23 | 张未鸣 | T-shaped valve and combined reversing valve thereof |
| CN107542483A (en) * | 2017-10-24 | 2018-01-05 | 鸿大智能机械有限公司 | High flow directional control valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202047834U (en) * | 2011-01-14 | 2011-11-23 | 丰隆液压有限公司 | Plug-in type hand-operated direction valve |
| CN202165100U (en) * | 2011-08-22 | 2012-03-14 | 华煤发展科技有限公司 | Three-position four-way reversing valve for coal mine hydraulic bracket |
| 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 |
| CN202560262U (en) * | 2012-05-04 | 2012-11-28 | 丰隆液压有限公司 | Plug-in cone seal hand-directional valve |
| CN202745889U (en) * | 2012-07-16 | 2013-02-20 | 阜新宏鑫机械制造有限公司 | Hydraulic support operating valve |
| CN203603938U (en) * | 2013-09-16 | 2014-05-21 | 丰隆液压有限公司 | Integrated plug-in type taper-face sealing reversing valve |
-
2013
- 2013-09-16 CN CN201310437978XA patent/CN103470282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202047834U (en) * | 2011-01-14 | 2011-11-23 | 丰隆液压有限公司 | Plug-in type hand-operated direction valve |
| CN202165100U (en) * | 2011-08-22 | 2012-03-14 | 华煤发展科技有限公司 | Three-position four-way reversing valve for coal mine hydraulic bracket |
| 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 |
| CN202560262U (en) * | 2012-05-04 | 2012-11-28 | 丰隆液压有限公司 | Plug-in cone seal hand-directional valve |
| CN202745889U (en) * | 2012-07-16 | 2013-02-20 | 阜新宏鑫机械制造有限公司 | Hydraulic support operating valve |
| CN203603938U (en) * | 2013-09-16 | 2014-05-21 | 丰隆液压有限公司 | Integrated plug-in type taper-face sealing reversing valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017198103A1 (en) * | 2016-05-16 | 2017-11-23 | 张未鸣 | T-shaped valve and combined reversing valve thereof |
| TWI640705B (en) * | 2016-05-16 | 2018-11-11 | 張未鳴 | T-shaped valve and reversing valve using the same |
| CN107542483A (en) * | 2017-10-24 | 2018-01-05 | 鸿大智能机械有限公司 | High flow directional control valve |
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Application publication date: 20131225 |