CN104265915A - External thread angle stop valve - Google Patents
External thread angle stop valve Download PDFInfo
- Publication number
- CN104265915A CN104265915A CN201410500495.4A CN201410500495A CN104265915A CN 104265915 A CN104265915 A CN 104265915A CN 201410500495 A CN201410500495 A CN 201410500495A CN 104265915 A CN104265915 A CN 104265915A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- outlet end
- rod
- entrance point
- 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.)
- Pending
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Classifications
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to an external thread angle stop valve. The angle stop valve comprises a valve body, a valve rod, a valve core, a valve cover and a rotating wheel; the valve body comprises a main valve body, a valve body inlet end and a valve body outlet end, wherein the overall section of the valve body is in a T-shape structure, a main channel is arranged in the main valve body, an inlet channel is arranged in the valve body inlet end and an outlet channel is arranged in the valve outlet end; the valve rod is can be fixed in the valve body in a lifting way by the mutual cooperation of an outer thread of a fixed rod and an inner thread of a main channel, the connecting rod is sleeved with 5 layers of annular sealing fillers, and the rotating wheel is fixed at the top of the valve rod through a bolt and is hermetically fixed by the valve cover; the inlet end of the valve body and the outlet end of the valve body are in taper structures. The external thread angle stop valve is simple in structure, good in loading capacity and good in leakproofness, and is capable of fitting the low temperature or high temperature working environment, prolonging the service life and ensuring safety in use.
Description
Technical field
The present invention relates to a kind of stop valve, particularly a kind of outside thread Angle Stop valves.
Background technique
Angle Stop valves open-shut device is the flap of stopper, and sealing surface is plane or the conical surface, and flap is along the center line moving linearly of fluid.The forms of motion of valve rod, has elevating lever-type (valve rod is elevated, and handwheel is not elevated), also has lifting rotation rod-type (handwheel is rotation and lifting together with valve rod, and nut is located on valve body).Line pipe stop valve is only applicable to standard-sized sheet and complete shut-down, does not allow to make adjustments and throttling.
The tolerance of existing outside thread Angle Stop valves to high/low temperature is bad, and the pressure that can bear can not reach the standard needed for use, bad in the environment lower seal performance of low temperature or high temperature, reduces the working life of valve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of outside thread Angle Stop valves, and structure is simple, and bearing capacity is good, can adapt to low temperature or high-temperature work environment, good airproof performance, add working life, ensure that use safety.
For solving the problems of the technologies described above, technological scheme of the present invention is:
A kind of outside thread Angle Stop valves, comprise valve body, valve rod, spool, valve gap and runner, described valve body comprises main valve body, valve body entrance point and valve outlet end, described main valve body and valve body entrance point are arranged on same straight line, described valve outlet end is connected with main valve body, and it is mutually vertical with main valve body, make the T-shaped structure of the sectional shape of valve body entirety, main passage is provided with in main valve body, be provided with in valve body entrance point in inlet passage and valve outlet end and be provided with outlet passage, described main passage, inlet passage and outlet passage are interconnected, described main passage internal surface is provided with internal thread, the outer surface of valve body entrance point and valve outlet end is equipped with outside thread, described valve rod comprises connecting rod and fixing rod, the bottom of described fixing rod is provided with the spool of cone structure, the diameter D1 of described connecting rod is less than the diameter D2 of fixing rod, described fixing rod outer surface is provided with outside thread, described valve rod is cooperatively interacted by the outside thread of fixing rod and the internal thread of main passage and is liftablely fixed in valve body, on described connecting rod, fit is of five storeys the stuffing box packing of ring, described runner is bolted on valve stem tip, and it is fixing to carry out sealing by valve gap, described valve body entrance point and valve outlet end are cone structure, the length B of the length H > valve body entrance point of described valve outlet end, the bore D4 of the bore D3=valve body entrance point of described valve outlet end.
Above-mentioned a kind of outside thread Angle Stop valves, wherein, the diameter D5 of described runner is 37mm, and the length H of valve outlet end is 25mm, and the length B of valve body entrance point is 15mm.
Above-mentioned a kind of outside thread Angle Stop valves, wherein, the internal diameter d of described inlet passage and outlet passage is 4mm.
Beneficial effect of the present invention is:
1. prove through experiment up to ten thousand time, stop valve of the present invention can bear the nominal pressure of more than 7MPa, can work, be applicable to rock gas, oxygen, nitrogen, the transmission of the gas mediums such as Ar under the condition of the very high temperature of-100 DEG C-+120 DEG C and pole low temperature;
2. adopt the stuffing box packing of 5 layers of ring to seal, and be coated on valve rod and valve gap outside, greatly can improve the sealing of valve rod, valve seat, valve gap joint, improve using effect, meanwhile, 37mm runner diameter makes rotation more laborsaving;
3. valve body entrance point described in and valve outlet end are cone structure, the length B of the length H > valve body entrance point of described valve outlet end, the bore D4 of the bore D3=valve body entrance point of described valve outlet end, particularly when the length H of valve outlet end is 25mm, when the length B of valve body entrance point is 15mm, contribute to reducing fluid resistance, while required power reduces greatly during opening and closing, improve valve stability, extend valve working life;
4. valve body entrance point and valve outlet end are cone structure, particularly when the length H of valve outlet end is 25mm, when the length B of valve body entrance point is 15mm, fits the most, add sealing, add working life with the connection of inlet pipeline, outlet conduit.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention.
Embodiment
A kind of outside thread Angle Stop valves as shown in the figure, comprise valve body 1, valve rod 2, spool 3, valve gap 4 and runner 5, the diameter D5 of described runner 5 is 37mm, described valve body 1 comprises main valve body 6, valve body entrance point 7 and valve outlet end 8, described main valve body 6 is arranged on same straight line with valve body entrance point 7, described valve outlet end 8 is connected with main valve body 6, and it is mutually vertical with main valve body 6, make the T-shaped structure of sectional shape of valve body 1 entirety, main passage 9 is provided with in main valve body 6, be provided with in valve body entrance point 7 in inlet passage 10 and valve outlet 8 end and be provided with outlet passage 11, described main passage 9, inlet passage 10 and outlet passage 11 are interconnected, the internal diameter d of described inlet passage 10 and outlet passage 11 is 4mm, described main passage 9 internal surface is provided with internal thread 12, the outer surface of valve body entrance point 7 and valve outlet end 8 is equipped with outside thread 13, described valve rod 2 comprises connecting rod 14 and fixing rod 15, the bottom of described fixing rod 15 is provided with the spool 3 of cone structure, the diameter D1 of described connecting rod 14 is less than the diameter D2 of fixing rod 15, described fixing rod 15 outer surface is provided with outside thread 13, described valve rod 2 is cooperatively interacted by the outside thread of fixing rod 15 13 and the internal thread 12 of main passage 9 and is liftablely fixed in valve body 1, on described connecting rod 14, fit is of five storeys the stuffing box packing 16 of ring, described runner 5 is fixed on valve rod 2 top by bolt 17, and it is fixing to carry out sealing by valve gap 4, described valve body entrance point 7 and valve outlet end 8 are cone structure, the length H of described valve outlet end 8 is the length B of 25mm > valve body entrance point 7 is 15mm, the bore D4 of the bore D3=valve body entrance point 7 of described valve outlet end 8.
Prove through experiment up to ten thousand time, stop valve of the present invention can bear the nominal pressure of more than 7MPa, can work, be applicable to rock gas, oxygen, nitrogen, the transmission of the gas mediums such as Ar under the condition of the very high temperature of-100 DEG C-+120 DEG C and pole low temperature;
Adopt the stuffing box packing of 5 layers of ring to seal, and be coated on valve rod and valve gap outside, greatly can improve the sealing of valve rod, valve seat, valve gap joint, improve using effect;
Described valve body entrance point and valve outlet end are cone structure, the length B of the length H > valve body entrance point of described valve outlet end, the bore D4 of the bore D3=valve body entrance point of described valve outlet end, particularly when the length H of valve outlet end is 25mm, when the length B of valve body entrance point is 15mm, contribute to reducing fluid resistance, while required power reduces greatly during opening and closing, improve valve stability, extend valve working life;
Valve body entrance point and valve outlet end are cone structure, particularly when the length H of valve outlet end is 25mm, when the length B of valve body entrance point is 15mm, fits the most, add sealing, add working life with the connection of inlet pipeline, outlet conduit.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technological scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (3)
1. an outside thread Angle Stop valves, comprise valve body, valve rod, spool, valve gap and runner, it is characterized by, described valve body comprises main valve body, valve body entrance point and valve outlet end, described main valve body and valve body entrance point are arranged on same straight line, described valve outlet end is connected with main valve body, and it is mutually vertical with main valve body, make the T-shaped structure of the sectional shape of valve body entirety, main passage is provided with in main valve body, be provided with in valve body entrance point in inlet passage and valve outlet end and be provided with outlet passage, described main passage, inlet passage and outlet passage are interconnected, described main passage internal surface is provided with internal thread, the outer surface of valve body entrance point and valve outlet end is equipped with outside thread, described valve rod comprises connecting rod and fixing rod, the bottom of described fixing rod is provided with the spool of cone structure, the diameter D1 of described connecting rod is less than the diameter D2 of fixing rod, described fixing rod outer surface is provided with outside thread, described valve rod is cooperatively interacted by the outside thread of fixing rod and the internal thread of main passage and is liftablely fixed in valve body, on described connecting rod, fit is of five storeys the stuffing box packing of ring, described runner is bolted on valve stem tip, and it is fixing to carry out sealing by valve gap, described valve body entrance point and valve outlet end are cone structure, the length B of the length H > valve body entrance point of described valve outlet end, the bore D4 of the bore D3=valve body entrance point of described valve outlet end.
2. a kind of outside thread Angle Stop valves as claimed in claim 1, is characterized by, and the diameter D5 of described runner is 37mm, and the length H of valve outlet end is 25mm, and the length B of valve body entrance point is 15mm.
3. a kind of outside thread Angle Stop valves as claimed in claim 1, is characterized by, and the internal diameter d of described inlet passage and outlet passage is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500495.4A CN104265915A (en) | 2014-09-25 | 2014-09-25 | External thread angle stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500495.4A CN104265915A (en) | 2014-09-25 | 2014-09-25 | External thread angle stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104265915A true CN104265915A (en) | 2015-01-07 |
Family
ID=52157469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500495.4A Pending CN104265915A (en) | 2014-09-25 | 2014-09-25 | External thread angle stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265915A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327851Y (en) * | 1998-03-27 | 1999-07-07 | 孙鸿儒 | Angular stop valve |
| JP2004044632A (en) * | 2002-07-09 | 2004-02-12 | Nippon Steel Corp | Fluid controlling device |
| CN201705952U (en) * | 2010-06-28 | 2011-01-12 | 西安秦龙高压阀门管件制造有限公司 | Angle type stop valve |
| CN202056318U (en) * | 2011-05-06 | 2011-11-30 | 浙江亚登阀门管件有限公司 | External thread stop valve |
| CN203023508U (en) * | 2012-12-31 | 2013-06-26 | 郑州航诺中流体控制技术有限公司 | Balance type high-pressure stop valve |
| CN203656213U (en) * | 2014-01-21 | 2014-06-18 | 凯尔特阀门有限公司 | Angle type globe valve |
| CN204153177U (en) * | 2014-09-25 | 2015-02-11 | 江苏华太电力仪表有限公司 | A kind of outside thread Angle Stop valves |
-
2014
- 2014-09-25 CN CN201410500495.4A patent/CN104265915A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327851Y (en) * | 1998-03-27 | 1999-07-07 | 孙鸿儒 | Angular stop valve |
| JP2004044632A (en) * | 2002-07-09 | 2004-02-12 | Nippon Steel Corp | Fluid controlling device |
| CN201705952U (en) * | 2010-06-28 | 2011-01-12 | 西安秦龙高压阀门管件制造有限公司 | Angle type stop valve |
| CN202056318U (en) * | 2011-05-06 | 2011-11-30 | 浙江亚登阀门管件有限公司 | External thread stop valve |
| CN203023508U (en) * | 2012-12-31 | 2013-06-26 | 郑州航诺中流体控制技术有限公司 | Balance type high-pressure stop valve |
| CN203656213U (en) * | 2014-01-21 | 2014-06-18 | 凯尔特阀门有限公司 | Angle type globe valve |
| CN204153177U (en) * | 2014-09-25 | 2015-02-11 | 江苏华太电力仪表有限公司 | A kind of outside thread Angle Stop valves |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |