CN201672123U - High-pressure cut-off valve - Google Patents
High-pressure cut-off valve Download PDFInfo
- Publication number
- CN201672123U CN201672123U CN2010201817163U CN201020181716U CN201672123U CN 201672123 U CN201672123 U CN 201672123U CN 2010201817163 U CN2010201817163 U CN 2010201817163U CN 201020181716 U CN201020181716 U CN 201020181716U CN 201672123 U CN201672123 U CN 201672123U
- Authority
- CN
- China
- Prior art keywords
- valve
- seal ring
- sealing
- disc
- stuffing box
- 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.)
- Expired - Lifetime
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- Lift Valve (AREA)
Abstract
The utility model relates to a high-pressure cut-off valve which comprises a valve body, a handle, a valve rod and a valve disc, wherein the valve rod is screwed on the valve cover and connected with the valve disc; an upper sealing ring is mounted between an optical shaft of the valve rod and the valve cover; the handle is mounted at the upper part of the valve rod; the bottom part of the valve disc is positioned at a valve port of the valve body; the valve cover and the valve body are respectively screwed on two sides of a sealing sleeve; a sealing ring and a sealing gasket positioned at the upper part or the lower part of the sealing ring are mounted between the sealing sleeve and the valve body; the sealing seat is mounted in the sealing sleeve and positioned at the lower part of the valve cover; the valve disc is mounted in the sealing seat and the sealing sleeve; a sealing ring and a sealing gasket positioned at the upper part or the lower part of the sealing ring are respectively mounted between the sealing seat and the sealing sleeve and between the sealing seat and the valve disc; a sealing ring and sealing gaskets positioned at the upper end and the lower end of the sealing ring are respectively mounted between a step shaft of the valve disc and a step hole on the sealing sleeve; and a conical body at the bottom part of the valve disc is corresponding to a valve port on the valve body. The high-pressure cut-off valve is reasonable and compact in structure and can reduce the leakage of gaseous mediums.
Description
Technical field
This model utility relates to a kind of high-pressure stop valve, belongs to gas valve control technique field.
Background technique
High-pressure stop valve belongs to forced seal formula valve, when valve closing, must exert pressure to valve disc, makes valve disc be pressed in the valve port place of valve body, and forced seal goes out valve port, and gas medium is not leaked.But high-pressure stop valve mostly is mounted on the pressure duct, and all adopts conventional sealing configuration, therefore makes high-pressure stop valve the gas medium leakage phenomenon in use occur, and reduces the operational safety of high-pressure stop valve.
Summary of the invention
The providing a kind of compactness rational in infrastructure, can reduce the high-pressure stop valve that gas medium leaks of the purpose of this utility model.
The utility model is that the technological scheme that achieves the above object is: a kind of high-pressure stop valve, comprise and have inlet hole, the valve body of air outlet hole and valve port, and handle, valve rod and valve disc, valve rod is screwed on the valve gap and with valve disc and is connected, between the optical axis of valve rod and the valve gap seal ring is installed, handle is installed in valve rod top, the valve disc bottom is positioned at the valve port place of valve body, it is characterized in that: described valve gap and valve body are screwed in the both sides of stuffing box gland respectively, seal ring and the sealing gasket that is positioned at seal ring top or bottom are installed between stuffing box gland and the valve body, sealing seat is installed in the stuffing box gland and is positioned at the bottom of valve gap, valve disc is installed in sealing seat and the stuffing box gland, and be separately installed with seal ring and the sealing gasket that is positioned at seal ring bottom or top between sealing seat and stuffing box gland and the valve disc, be separately installed with seal ring between the step axle of valve disc and the step hole on the stuffing box gland and be positioned at the seal ring sealing gasket at two ends up and down, the taper of valve disc bottom is corresponding to the valve port on the valve body.
Wherein: described stuffing box gland is provided with outer groove, and seal ring and the sealing gasket that is positioned at seal ring top or bottom are installed in the outer groove of stuffing box gland; Seal groove and external sealed groove in being respectively equipped with on the Internal and external cycle of described sealing seat, seal ring and the sealing gasket that is positioned at seal ring bottom or top are installed in the seal groove and the external sealed groove of sealing seat respectively; The step axle of described valve disc is provided with plural annular groove, seal ring and be positioned at seal ring up and down the sealing gasket at two ends be installed in the annular groove of valve disc step axle respectively.
Described sealing seat top also is equipped with sealing baffle.
The utility model adopts stuffing box gland to be connected with valve gap with valve body respectively, and valve rod is screwed on the valve gap and withstand on the valve disc, the axially movable valve rod of energy is by last seal ring and valve bonnet seal, and the valve disc that is connected with valve rod is installed on sealing seat and the stuffing box gland, the Internal and external cycle of sealing seat seals by seal ring and the sealing gasket that is positioned at seal ring bottom or top, in addition between valve disc and the stuffing box gland at least the sealing gasket by seal ring more than two places and seal ring upper and lower surface seal, it is multi-stage sealed that valve disc is had, and effectively reduced the leakage of gas medium.Sealing configuration of the present utility model adopts seal ring to combine with sealing gasket, and compactness rational in infrastructure has the better seal effect, can satisfy the usage requirement of high-pressure stop valve, improves the high-pressure stop valve functional reliability.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Wherein: 1-valve body, 1-1-air outlet hole, 1-2-valve port, 1-3-inlet hole, 2-seal ring, 3-sealing gasket, 4-valve rod, 5-handle, 6-upward seal rings, 7-valve gap, 8-sealing baffle, 9-sealing seat, 10-stuffing box gland, 11-valve disc.
Embodiment
See shown in Figure 1, high-pressure stop valve of the present utility model, comprise have inlet hole 1-3, the valve body 1 of air outlet hole 1-1 and valve port 1-2, and handle 5, valve rod 4 and valve disc 11, the inlet hole 1-3 and the air outlet hole 1-1 of the both sides of valve body 1 are male-pipe, and are installed on the pressure duct respectively, has valve port 1-2 in the cavity of valve body 1, valve port 1-2 communicates with inlet hole 1-3 and air outlet hole 1-1 respectively, and valve rod 4 is screwed on the valve gap 7, between the polished rod of valve rod 4 and the valve gap 7 seal ring 6 is installed; Handle 5 is installed in valve rod 4 tops, valve rod 4 is connected with valve disc 11, valve disc 11 bottoms are positioned at the valve port 1-2 place of valve body 1, by regulating handle 5 valve rod 4 is moved axially, move up and down and drive valve disc 11, the valve port 1-2 that makes valve disc 11 push down valve body 1 dams to gas medium, or the valve port 1-2 on the valve disc 11 disengaging valve bodies 1, makes gas medium by entering air outlet 1-1 from suction port 1-3 by valve port 1-2.
See shown in Figure 1, valve gap 7 of the present utility model and valve body 1 are screwed in the both sides of stuffing box gland 10 respectively, seal ring 2 and the sealing gasket 3 that is positioned at seal ring 2 one sides are installed between stuffing box gland 10 and the valve body 1, to prevent the leakage of gas medium, sealing seat 9 is installed in the stuffing box gland 10 and is positioned at the bottom of valve gap 7, and sealing seat 9 tops also are equipped with sealing baffle 8, valve disc 11 is installed in sealing seat 9 and the stuffing box gland 10, the top of valve disc 11 is connected with valve rod 4, T shape header structure can be adopted in valve disc 11 tops, and match with the T-slot of valve rod 4 bottoms, and be separately installed with seal ring 2 and the sealing gasket 3 that is positioned at seal ring 2 bottoms or top between sealing seat 9 and stuffing box gland 10 and the valve disc 11, be separately installed with seal ring 2 and the sealing gasket 3 that is positioned at seal ring two ends about in the of 2 between the step axle of valve disc 11 and the step hole on the stuffing box gland 10, to prevent the leakage of gas medium, the taper of valve disc 11 bottoms is corresponding to the valve port 1-2 on the valve body 1, to keep reliable sealing.
See shown in Figure 1, the utility model is the convenient sealing mechanism of installing, stuffing box gland 10 is provided with outer groove, seal ring 2 and the sealing gasket 3 that is positioned at seal ring 2 tops or bottom are installed in the outer groove of stuffing box gland 10, seal groove and external sealed groove in being respectively equipped with on the Internal and external cycle of same sealing seat 9, seal ring 2 and the sealing gasket 3 that is positioned at seal ring 2 bottoms or top are installed in the seal groove and the external sealed groove of sealing seat 9 respectively, and the step axle of valve disc 11 different-diameters is provided with plural annular groove, seal ring 2 and the sealing gasket 3 that is positioned at seal ring two ends about in the of 2 are installed in the annular groove of valve disc 11 step axles respectively, by seal ring 2 and sealing gasket 3 structures, to sealing reliably by axially movable valve disc 11.
Claims (3)
1. high-pressure stop valve, comprise and have inlet hole (1-3), the valve body (1) of air outlet hole (1-1) and valve port (1-2), and handle (5), valve rod (4) and valve disc (11), valve rod (4) is screwed in valve gap (7) and upward and with valve disc (11) is connected, between the optical axis of valve rod (4) and the valve gap (7) seal ring (6) is installed, handle (5) is installed in valve rod (4) top, valve disc (11) bottom is positioned at the valve port (1-2) of valve body (1) and locates, it is characterized in that: described valve gap (7) and valve body (1) are screwed in the both sides of stuffing box gland (10) respectively, seal ring (2) is installed between stuffing box gland (10) and the valve body (1) and is positioned at the sealing gasket (3) of seal ring (2) top or bottom, sealing seat (9) is installed in the stuffing box gland (10) and is positioned at the bottom of valve gap (7), valve disc (11) is installed in sealing seat (9) and the stuffing box gland (10), and be separately installed with seal ring (2) between sealing seat (9) and stuffing box gland (10) and the valve disc (11) and be positioned at the sealing gasket (3) on seal ring (2) bottom or top, be separately installed with seal ring (2) between the step hole on the step axle of valve disc (11) and the stuffing box gland (10) and be positioned at seal ring (2) sealing gasket at two ends (3) up and down, the taper of valve disc (11) bottom is corresponding to the valve port (1-2) on the valve body (1).
2. according to the described high-pressure stop valve of claim 1, it is characterized in that: described stuffing box gland (10) is provided with outer groove, and seal ring (2) and the sealing gasket (3) that is positioned at seal ring (2) top or bottom are installed in the outer groove of stuffing box gland (10); Seal groove and external sealed groove in being respectively equipped with on the Internal and external cycle of described sealing seat (9), seal ring (2) and the sealing gasket (3) that is positioned at seal ring (2) bottom or top are installed in the seal groove and the external sealed groove of sealing seat (9) respectively; The step axle of described valve disc (11) is provided with plural annular groove, seal ring (2) and be positioned at seal ring (2) up and down the sealing gasket at two ends (3) be installed in the annular groove of valve disc (11) step axle respectively.
3. according to the described high-pressure stop valve of claim 1, it is characterized in that: the top of described sealing seat (9) also is equipped with sealing baffle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201817163U CN201672123U (en) | 2010-05-07 | 2010-05-07 | High-pressure cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201817163U CN201672123U (en) | 2010-05-07 | 2010-05-07 | High-pressure cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672123U true CN201672123U (en) | 2010-12-15 |
Family
ID=43329535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201817163U Expired - Lifetime CN201672123U (en) | 2010-05-07 | 2010-05-07 | High-pressure cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381451A (en) * | 2018-04-23 | 2018-08-10 | 苏州优力克流体控制科技有限公司 | A kind of installation tool and its installation method of valve rod sealing member |
-
2010
- 2010-05-07 CN CN2010201817163U patent/CN201672123U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381451A (en) * | 2018-04-23 | 2018-08-10 | 苏州优力克流体控制科技有限公司 | A kind of installation tool and its installation method of valve rod sealing member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |