CN203948709U - T-shaped threeway plug valve - Google Patents
T-shaped threeway plug valve Download PDFInfo
- Publication number
- CN203948709U CN203948709U CN201420338055.9U CN201420338055U CN203948709U CN 203948709 U CN203948709 U CN 203948709U CN 201420338055 U CN201420338055 U CN 201420338055U CN 203948709 U CN203948709 U CN 203948709U
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- China
- Prior art keywords
- cock
- hole
- valve body
- medium
- stem
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of T-shaped threeway plug valve, and it comprises: valve body, comprises being positioned at the cavity of center region and for by the passage of medium, passage is three, three passages are T-shaped distribution, and the sidewall of cavity is provided with circular groove, are inlaid with valve body lining in circular groove; Cock, be provided with for by the medium through hole of medium, and medium through hole is T-shaped distribution in cock, the top of cock is provided with cock stem, in cock, be coated with cock cover, above-mentioned cock puts and is provided with the cock corresponding with medium through hole cover through hole, and cock is rotatably located in the cavity of valve body, cock cover and valve body lining close contact; Stuffing box; Valve gap; Handle set; Fixed block, is fixed on valve gap; Location piece, the top of one end and cock stem is fixed, and the other end provides a kind of new T-shaped threeway plug valve for be fixedly connected with the utility model with fixed block.The performance of the each side such as intensity of the present utility model, rigidity, sealing is all promoted, and comprehensive mechanical performance improves.
Description
Technical field
The utility model 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.
In the time of 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.
Model utility content
The purpose of this utility model 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, the technological scheme that the utility model provides is as follows:
A kind of 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, seal by O type circle.
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 utility model provides a kind of new T-shaped threeway plug valve.Whereby, the performance of the each side such as intensity of the present utility model, rigidity, sealing is all promoted, and comprehensive mechanical performance improves.
Brief description of the drawings
Fig. 1 be the utility model embodiment partly cut open structural representation;
Fig. 2, Fig. 3 are respectively the utility model embodiment's the overlooking of valve body, main depending on partly cuing open structural representation;
Fig. 4 is the sectional structure schematic diagram of the utility model embodiment's valve body lining;
Fig. 5 is the structural representation of the utility model embodiment's cock;
Fig. 6 is the plan structure schematic diagram of the utility model embodiment's cock cover;
Fig. 7 is the sectional structure schematic diagram of the utility model embodiment's cock cover;
Fig. 8 is the plan structure schematic diagram of the utility model embodiment's fixed block;
Fig. 9 is the plan structure schematic diagram of the utility model embodiment's location piece.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, the utility model embodiment 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 connects with cavity 100.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, the T shape that cock 2 is provided with for be also level by 200, three medium through hole 200 of three medium through hole of medium distributes, 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 fixing by double-screw bolt 11, nut 12 with valve body 1, 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 being 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, connect by lock 21, to fix the 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:
The spirotallic gasket 5 of first seals, and is preferably Expanded graphite material, and spirotallic gasket 5 is positioned at the junction of valve body 1, valve gap 9, its can reduce inhomogeneous, the engaging force of load easily lax, temperature change, have the harmful effect of impacting or shaking with pressure cycle.
The PAT material barrier film 6 of second seals, 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.
The spirotallic gasket 7 in San road seals, and 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 utility model has proposed improvement from structure, two aspects of component material, thereby can the overall combination property that improves T-shaped threeway plug valve.
As known by the technical knowledge, the utility model can be realized 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.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
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, seal by O type circle.
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 |
|---|---|---|---|
| CN201420338055.9U CN203948709U (en) | 2014-06-24 | 2014-06-24 | T-shaped threeway plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338055.9U CN203948709U (en) | 2014-06-24 | 2014-06-24 | T-shaped threeway plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948709U true CN203948709U (en) | 2014-11-19 |
Family
ID=51890746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420338055.9U Withdrawn - After Issue CN203948709U (en) | 2014-06-24 | 2014-06-24 | T-shaped threeway plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033624A (en) * | 2014-06-24 | 2014-09-10 | 施瑞德阀门(厦门)有限公司 | T-shaped three-way plug valve |
| CN108105420A (en) * | 2017-12-19 | 2018-06-01 | 樊东升 | A kind of high-pressure hydraulic pump discharge control valve |
-
2014
- 2014-06-24 CN CN201420338055.9U patent/CN203948709U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033624A (en) * | 2014-06-24 | 2014-09-10 | 施瑞德阀门(厦门)有限公司 | T-shaped three-way plug valve |
| CN108105420A (en) * | 2017-12-19 | 2018-06-01 | 樊东升 | A kind of high-pressure hydraulic pump discharge control valve |
| CN108105420B (en) * | 2017-12-19 | 2020-03-10 | 樊东升 | High-pressure water pump outlet control valve |
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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: 20141119 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |