CN104033624A - T-shaped three-way plug valve - Google Patents
T-shaped three-way plug valve Download PDFInfo
- Publication number
- CN104033624A CN104033624A CN201410284466.9A CN201410284466A CN104033624A CN 104033624 A CN104033624 A CN 104033624A CN 201410284466 A CN201410284466 A CN 201410284466A CN 104033624 A CN104033624 A CN 104033624A
- Authority
- CN
- China
- Prior art keywords
- cock
- valve body
- hole
- plug
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0242—Spindles and actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/025—Particular coverings or materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0257—Packings
- F16K5/0271—Packings between housing and plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0257—Packings
- F16K5/0285—Packings spindle sealing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides a T-shaped three-way plug valve. The T-shaped three-way plug valve comprises a valve body, a plug, a stuffing box, a bonnet, a handle seat, a fixed block and a positioning plate, wherein the valve body comprises a cavity and three channels; the cavity is positioned in the center area of the valve body; media pass through the channels; the three channels are distributed in a T-shaped manner; an annular groove is formed in a side wall of the cavity; a valve body bush is inlaid in the annular groove; the plug cock is provided with medium through holes; the media pass through the medium through holes; the medium through holes are distributed in a T-shaped manner; a plug rod is arranged on the upper portion of the plug; a plug sleeve coats the plug and is provided with plug sleeve through holes which correspond to the medium through holes; the plug is rotatably arranged in the cavity of the valve body; the plug sleeve is in contact with the valve body bush tightly; the fixed block is fixed on the bonnet; one end of the positioning plate is fixed with the upper portion of the plug rod; and the other end of the positioning plate is fixedly connected with the fixed block. The T-shaped three-way plug valve is novel; the strength, the rigidity and the airtightness of the T-shaped three-way plug valve are improved; and the general mechanical performance is also improved.
Description
Technical field
The present invention relates to stopcock technical field, particularly a kind of T-shaped threeway plug valve.
Background technique
T-shaped threeway plug valve is applicable at ° C temperature of-29 ° of C ~ 180 switching, mixing and the shunting to corrosion or non-corrosive liquid, gas, powder medium.T-shaped threeway plug valve is in switching process, and stream is unobstructed, can reduce the pressure loss, and rapid operation, easy to maintenance, can carry out hand, pneumatic, electronic control.Particularly, T-shaped threeway plug valve can be realized following advantage:
Fluid resistance is little, and its resistance coefficient equates with the pipeline section of same length.
Simple in structure, volume is little, lightweight.
Closely reliable, good airproof performance is widely used in vacuum system.
Easy to operate, open and close rapidly, from standard-sized sheet to complete shut-down, be convenient to remote control.
Easy to maintenance, simple in structure, dismounting and change is all more convenient.
When standard-sized sheet or full cut-off, sealing surface and medium isolation, when medium passes through, can not cause the erosion of valve sealing face.
Applied widely, latus rectum, from several millimeters to several meters, all can be applied from high vacuum to high pressure.
However, this type of stopcock still can be by integrally-built improvement, to obtain more outstanding comprehensive mechanical performance.
Summary of the invention
The object of the present invention is to provide a kind of T-shaped threeway plug valve, so that the combination property of T-shaped threeway plug valve is more outstanding.
To achieve these goals, technological scheme provided by the invention is as follows:
A T-shaped threeway plug valve, it comprises: valve body, comprises being positioned at the cavity of center region and for by the passage of medium, described passage is three, three described passages are T-shaped distribution, and the sidewall of described cavity is provided with circular groove, are inlaid with valve body lining in described circular groove; Cock, be provided with for by the medium through hole of medium, and described medium through hole is T-shaped distribution in described cock, the top of described cock is provided with cock stem, in described cock, be coated with cock cover, above-mentioned cock puts and is provided with the cock corresponding with described medium through hole cover through hole, and described cock is rotatably located in the cavity of described valve body, described cock cover and described valve body lining close contact; Stuffing box, is sheathed on described cock stem hermetically, is positioned at the top of described cock, and and described cock between seal; Valve gap, is covered in described stuffing box around, and fixes with described valve body, for fixing described stuffing box; Handle set, is fixed on the upper end of described cock stem, and is connected with one handle; Fixed block, is fixed on described valve gap; Location piece, the top of one end and described cock stem is fixed, and the other end is for being fixedly connected with described fixed block.
Preferably, between the upper-end surface of described cock cover, valve body lining and described stuffing box, pass through spirotallic gasket, diaphragm seal; Between described stuffing box and described cock stem, by O type circle, seal.
Preferably, the upper side of described cock stem is provided with the deep hole of level, is provided with anti-static spring, steel ball in described deep hole, and described anti-static spring is closely supported described steel ball on described location piece, to avoid described location piece to shake.
Preferably, described location piece is racket shape, and one end is sheathed on described cock stem regularly, and the other end is provided with the first through hole; Described fixed block is provided with an outstanding head, and described outstanding head is provided with the second through hole, connects, to fix the position of described cock stem between described the second through hole and the first through hole by lock.
Analyze knownly, the invention provides a kind of new T-shaped threeway plug valve.Whereby, the performance of the each side such as intensity of the present invention, rigidity, sealing is all promoted, and comprehensive mechanical performance improves.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention partly cut open structural representation;
Fig. 2, Fig. 3 are respectively the overlooking of valve body, main depending on partly cuing open structural representation of the embodiment of the present invention;
Fig. 4 is the sectional structure schematic diagram of the valve body lining of the embodiment of the present invention;
Fig. 5 is the structural representation of the cock of the embodiment of the present invention;
Fig. 6 is the plan structure schematic diagram of the cock cover of the embodiment of the present invention;
Fig. 7 is the sectional structure schematic diagram of the cock cover of the embodiment of the present invention;
Fig. 8 is the plan structure schematic diagram of the fixed block of the embodiment of the present invention;
Fig. 9 is the plan structure schematic diagram of the location piece of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the embodiment of the present invention comprises valve body 1, cock 2, cock cover 3, valve body lining 4, spirotallic gasket 5, barrier film 6, spirotallic gasket 7, stuffing box 8, valve gap 9, O type circle 10, double-screw bolt 11, nut 12, anti-static spring 14, steel ball 15, jump ring 16, fixed block 17, location piece 18, handle set 19, handle 20, lock 21.
Particularly, as shown in Figure 1, Figure 2-Fig. 3, valve body 1 comprises the cavity 100 of the opening upwards that is positioned at center region and horizontally disposed for by 102, three T-shaped distributions of medium channel 102 of three medium channels of medium, and all with cavity 100 perforations.The sidewall of cavity 100 is provided with circular groove 101, is inlaid with valve body lining 4 in circular groove 101, as shown in Figure 4, the tubular that valve body lining 4 is big up and small down, sidewall is provided with the through hole 41 corresponding with three medium channels, 101 difference.And the material of valve body 1 is the WCB(WCB cast steel trade mark, a kind of steel of USS United States Standard), LC3(belongs to Al-Zn-Mg-Cu, 7 series extra super duralumin alloy) or the standard designations 0f steel of CF8(U.S. ANSI ASTM, be substantially equal to 304 stainless steel compositions of China).
As shown in Figure 1, shown in Figure 5, cock 2 is provided with the T shape distribution that is also level for 200, three medium through hole 200 of three medium through hole by medium, and three medium through hole 200 are corresponding with medium channel 102, with the flow path of switchable dielectric.The top of cock 2 is provided with cock stem 201, in cock 2, be coated with the cock cover 3 shown in Fig. 6, Fig. 7, cock cover 3 is barreled, centre is the cavity 30 of opening upwards, cock 2 is inserted in cavity 30 regularly, it is corresponding one by one with three medium through hole 200 that the sidewall of cavity 30 is provided with 31, three cock cover through holes 31 of three cock cover through holes.Cock cover 3 is sheathed in cock 2, and cock 2 and cock cover 3 are rotatably located in the cavity 100 of valve body 1, and cock cover 3 is concordant with valve body lining 4 close contacts and upper-end surface.While opening, medium through hole 200, cock cover through hole 31, through hole 41, path 10 2 connect.Preferably, cock cover 3, valve body lining 4 are PTA material.
Stuffing box 8 is sheathed on cock stem 201 hermetically, is positioned at the top of cock 2, cock cover 3, valve body lining 4, between its lower end surface and three's upper-end surface, seals.
Valve gap 9 is covered in stuffing box 8 around, and and valve body 1 fixing by double-screw bolt 11, nut 12, for fixing stuffing box 8.The material of valve gap 9 is identical with the material of valve body 1.
Handle set 19 is fixed on the upper end 202 of cock stem 201, and is connected with one handle 20, and handle 20 is for driving cock stem 201 to rotate.
As shown in Fig. 1, Fig. 8, Fig. 9, fixed block 17 is fixed on valve gap 9.The upper end 202 of location piece 18 one end and cock stem 201 is fixing, and the other end is fixedly connected with fixed block 17 by a lock 21.Preferably, location piece 18 is racket shape, large end is provided with slotted hole 181, slotted hole 181 is set in the upper end 202 of cock stem 201, and the cross section of upper end 202 and slotted hole 181 coincide, to avoid the two to relatively rotate, and upper end 202 is provided with shallow slot 203, jump ring 16 snaps in shallow slot 203, thereby location piece 18 is sheathed on cock stem 201 regularly, prevents from coming off.The other end of location piece 18 is provided with the first through hole 182.Fixed block 17 two ends are provided with through hole 172, for be fixed on valve gap 9 by double-screw bolt etc., middle part is provided with one outstanding 171, and outstanding 171 is provided with the second through hole 173, between the second through hole 173 and the first through hole 182, by lock 21, connect, with the fixing position of cock stem 201.
Preferably, 202 sides, upper end of cock stem 201 are provided with the deep hole 204 of level, are provided with anti-static spring 14, steel ball 15 in deep hole 204, and anti-static spring 14 is closely supported steel ball 15 on location piece 17, to avoid location piece 17 to shake.
In addition,, in order to increase sealing effect, between cock 2 and miscellaneous part, adopt multiple-sealed:
Spirotallic gasket 5 sealing of first, is preferably Expanded graphite material, and spirotallic gasket 5 is positioned at the junction of valve body 1, valve gap 9, it can reduce, and load is inhomogeneous, engaging force easily lax, temperature change, have the harmful effect of impacting or shaking with pressure cycle.
PAT material barrier film 6 sealings of second, between its upper-end surface at valve body lining 4 and cock cover 3, stuffing box 8.It has media-resistant, withstand voltage, resistance to subduing and the advantages such as sensitivity height.
Spirotallic gasket 7 sealings in San road, it,, between barrier film 6, cock stem 201, stuffing box 8, is preferably Expanded graphite material.
The O type circle sealing in Si road, between its top at stuffing box 8 and cock stem 201, realizes effective sealing.
In sum, the present invention has proposed improvement from structure, two aspects of component material, thereby can the whole combination property that improves T-shaped threeway plug valve.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Change within the scope of the present invention all or within being equal to scope of the present invention is all included in the invention.
Claims (4)
1. a T-shaped threeway plug valve, is characterized in that, comprising:
Valve body, comprises being positioned at the cavity of center region and for by the passage of medium, described passage is three, three described passages are T-shaped distribution, and the sidewall of described cavity is provided with circular groove, is inlaid with valve body lining in described circular groove;
Cock, be provided with for by the medium through hole of medium, and described medium through hole is T-shaped distribution in described cock, the top of described cock is provided with cock stem, in described cock, be coated with cock cover, above-mentioned cock puts and is provided with the cock corresponding with described medium through hole cover through hole, and described cock is rotatably located in the cavity of described valve body, described cock cover and described valve body lining close contact;
Stuffing box, is sheathed on described cock stem hermetically, is positioned at the top of described cock, and and described cock between seal;
Valve gap, is covered in described stuffing box around, and fixes with described valve body, for fixing described stuffing box;
Handle set, is fixed on the upper end of described cock stem, and is connected with one handle;
Fixed block, is fixed on described valve gap;
Location piece, the top of one end and described cock stem is fixed, and the other end is for being fixedly connected with described fixed block.
2. T-shaped threeway plug valve according to claim 1, is characterized in that, passes through spirotallic gasket, diaphragm seal between the upper-end surface of described cock cover, valve body lining and described stuffing box; Between described stuffing box and described cock stem, by O type circle, seal.
3. T-shaped threeway plug valve according to claim 1, it is characterized in that, the upper side of described cock stem is provided with the deep hole of level, in described deep hole, be provided with anti-static spring, steel ball, described anti-static spring is closely supported described steel ball on described location piece, to avoid described location piece to shake.
4. T-shaped threeway plug valve according to claim 1, is characterized in that, described location piece is racket shape, and one end is sheathed on described cock stem regularly, and the other end is provided with the first through hole;
Described fixed block is provided with an outstanding head, and described outstanding head is provided with the second through hole, connects, to fix the position of described cock stem between described the second through hole and the first through hole by lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410284466.9A CN104033624B (en) | 2014-06-24 | 2014-06-24 | T-shaped threeway plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410284466.9A CN104033624B (en) | 2014-06-24 | 2014-06-24 | T-shaped threeway plug valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104033624A true CN104033624A (en) | 2014-09-10 |
| CN104033624B CN104033624B (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410284466.9A Active CN104033624B (en) | 2014-06-24 | 2014-06-24 | T-shaped threeway plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104033624B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470429A (en) * | 1982-05-06 | 1984-09-11 | Jandy Industries, Inc. | Three-way valve |
| CN2372525Y (en) * | 1999-05-28 | 2000-04-05 | 于继涛 | Valve with lock |
| DE202004019228U1 (en) * | 2003-12-12 | 2005-02-24 | Xomox International Gmbh & Co | Tap cock comprises a housing containing radial bearing elements by which a defined radial position of the plug in the housing is followed |
| CN1719080A (en) * | 2005-03-02 | 2006-01-11 | 上海海星阀门总厂 | Three way flange connected valve body rubber lined stopcock |
| CN201265670Y (en) * | 2008-08-22 | 2009-07-01 | 郭秀敏 | Three-way column spinning valve |
| CN101956838A (en) * | 2009-07-17 | 2011-01-26 | 张德飞 | Fireproofing vacuum heat-insulating ball valve |
| CN203532861U (en) * | 2013-10-17 | 2014-04-09 | 上海风雷阀门集团有限公司 | Three-way plug valve |
| CN203948709U (en) * | 2014-06-24 | 2014-11-19 | 施瑞德阀门(厦门)有限公司 | T-shaped threeway plug valve |
-
2014
- 2014-06-24 CN CN201410284466.9A patent/CN104033624B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470429A (en) * | 1982-05-06 | 1984-09-11 | Jandy Industries, Inc. | Three-way valve |
| CN2372525Y (en) * | 1999-05-28 | 2000-04-05 | 于继涛 | Valve with lock |
| DE202004019228U1 (en) * | 2003-12-12 | 2005-02-24 | Xomox International Gmbh & Co | Tap cock comprises a housing containing radial bearing elements by which a defined radial position of the plug in the housing is followed |
| CN1719080A (en) * | 2005-03-02 | 2006-01-11 | 上海海星阀门总厂 | Three way flange connected valve body rubber lined stopcock |
| CN201265670Y (en) * | 2008-08-22 | 2009-07-01 | 郭秀敏 | Three-way column spinning valve |
| CN101956838A (en) * | 2009-07-17 | 2011-01-26 | 张德飞 | Fireproofing vacuum heat-insulating ball valve |
| CN203532861U (en) * | 2013-10-17 | 2014-04-09 | 上海风雷阀门集团有限公司 | Three-way plug valve |
| CN203948709U (en) * | 2014-06-24 | 2014-11-19 | 施瑞德阀门(厦门)有限公司 | T-shaped threeway plug valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104033624B (en) | 2016-04-06 |
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