CN103759029A - Ultralow-temperature throttle valve - Google Patents
Ultralow-temperature throttle valve Download PDFInfo
- Publication number
- CN103759029A CN103759029A CN201310754407.9A CN201310754407A CN103759029A CN 103759029 A CN103759029 A CN 103759029A CN 201310754407 A CN201310754407 A CN 201310754407A CN 103759029 A CN103759029 A CN 103759029A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- neck
- long
- seat
- 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
Links
Images
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
-
- 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 discloses an ultralow-temperature throttle valve. The ultralow-temperature throttle valve comprises a valve body and a long-neck valve cover which is connected with the valve body through a bolt and a nut, wherein an inlet channel and an outlet channel are formed in the valve body; a valve seat is arranged on one side of the outlet channel in the valve body; a channel, intercommunicated with the outlet channel, is formed in the valve seat; a valve plate, matched with the valve seat, is arranged in the valve body; the valve plate is connected with the lower end of a valve rod which is arranged in the valve body; a valve rod nut, matched with the upper end of the valve rod, is arranged on the upper end of the valve rod; a hand wheel is arranged on the upper end of the valve rod rotationally through the valve rod nut; a filler gasket, a sealing filler and a filler pressing sleeve are arranged between the middle inner wall of the long-neck valve cover and the valve rod; the sealing filler is arranged between the filler gasket and the filler pressing sleeve; a filler pressing plate is arranged on the long-neck valve cover which is arranged on the upper end of the filler pressing sleeve; and the filler pressing plate is connected with a connection lug which is arranged on the long-neck valve cover through a connection bolt and a cylindrical pin.
Description
Technical field
The present invention relates to a kind of valve, relate in particular to a kind of ultra-low temperature throttle valve.
Background technique
At present, on the pipeline of electric power, waterpower, petrochemical industry, metallurgy industry, all can use gate valve, cut-out for liquid in pipeline, existing gate valve is normally comprised of institutes such as valve body, valve seat, flashboard, valve rod, long-neck valve gap, handwheels, and during work, by rotating handwheel, band ovable valve stem rotates, because the sealing effect of valve rod and valve gap is bad, valve can not be low temperature resistant, so just reduced the functional reliability of gate valve, shortened the working life of valve.
Summary of the invention
Technical problem to be solved by this invention is: the ultra-low temperature throttle valve that a kind of good sealing effect is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: ultra-low temperature throttle valve, comprise: valve body and the long-neck valve gap being connected with valve body by screw bolt and nut, in valve body, be provided with inlet passage and outlet passage, a side at described valve inner outlet passage is provided with valve seat, in valve seat, be provided with the passage being interconnected with outlet passage, in described valve body, be provided with the valve plate cooperatively interacting with valve seat, described valve plate is connected with the lower end of valve rod in being arranged on valve body, the upper end of described valve rod is provided with the Stem Mut cooperatively interacting with it, handwheel rotates the upper end that is arranged on valve rod by Stem Mut, between described long-neck valve gap intermediate inner wall and valve rod, be provided with Packing seat, stuffing box packing and filler pressing sleeve, stuffing box packing is arranged between Packing seat and filler pressing sleeve, long-neck valve in described filler pressing sleeve upper end covers and is provided with hold-down grid, described hold-down grid by connecting bolt and straight pin be arranged on the engaging lug that long-neck valve covers and be connected.
Advantage of the present invention is: above-mentioned ultra-low temperature throttle valve, and good sealing effect during work between valve rod and valve gap, processing, easy for installation, low temperature resistant, guarantees the reliability of gate valve work, has extended the working life of gate valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of ultra-low temperature throttle valve of the present invention while closing completely.
In figure: 1, valve body, 2, bolt, 3, nut, 4, long-neck valve gap, 5, inlet passage, 6, outlet passage, 7, valve seat, 8, passage, 9, valve plate, 10, valve rod, 11, Stem Mut, 12, handwheel, 13, Packing seat, 14, stuffing box packing, 15, filler pressing sleeve, 16, hold-down grid, 17, connecting bolt, 18, straight pin, 19, engaging lug.
Embodiment
Below in conjunction with the drawings and specific embodiments, describe in detail particular content of the present invention.
As shown in Figure 1, ultra-low temperature throttle valve, comprise: valve body 1 and the long-neck valve gap 4 being connected with valve body 1 with nut 3 by bolt 2, in valve body 1, be provided with inlet passage 5 and outlet passage 6, a side at the inner outlet passage 6 of described valve body 1 is provided with valve seat 7, in valve seat 7, be provided with the passage 8 being interconnected with outlet passage 6, in described valve body 1, be provided with the valve plate 9 cooperatively interacting with valve seat 7, described valve plate 9 is connected with the lower end of valve rod 10 in being arranged on valve body 1, the upper end of described valve rod 10 is provided with the Stem Mut 11 cooperatively interacting with it, handwheel 12 rotates by Stem Mut 11 upper end that is arranged on valve rod 10, between described long-neck valve gap 4 intermediate inner wall and valve rod 10, be provided with Packing seat 13, stuffing box packing 14 and filler pressing sleeve 15, stuffing box packing 14 is arranged between Packing seat 13 and filler pressing sleeve 15, on the long-neck valve gap 4 of described filler pressing sleeve 15 upper ends, be provided with hold-down grid 16, described hold-down grid 16 is connected with the engaging lug 19 being arranged on long-neck valve gap 4 with straight pin 18 by connecting bolt 17
When needs Open valve, by being rotated counterclockwise handwheel 12, handwheel 12 drives Stem Mut 11 to rotate together, due to the screw-thread fit effect of Stem Mut 11 with valve rod 10 upper ends, 11 rotations of Stem Mut, do not do axial motion, valve rod 10 drives flashboard 9 to make upwards straight line motion, valve plate 9 and valve seat 7 are separated from each other, make to be communicated with between inlet passage 5, passage 8 and outlet passage 6, thereby make valve open.
As shown in Figure 1, when needs throttle down, the handwheel 12 that turns clockwise, handwheel 12 drives Stem Muts 11 to rotate together, due to the screw-thread fit effect of Stem Mut 11 and valve rod 10 upper ends, 11 rotations of Stem Mut, do not do axial motion, valve rod 10 drives flashboard 9 to make downward straight line motion, and valve plate 9 and valve seat 7 are cooperatively interacted, make not to be communicated with between inlet passage 5, passage 8 and outlet passage 6, thereby make valve closing.
Claims (1)
1. ultra-low temperature throttle valve, comprise: valve body (1) and the long-neck valve gap (4) being connected with valve body (1) with nut (3) by bolt (2), in valve body (1), be provided with inlet passage (5) and outlet passage (6), a side at the inner outlet passage of described valve body (1) (6) is provided with valve seat (7), in valve seat (7), be provided with the passage (8) being interconnected with outlet passage (6), in described valve body (1), be provided with the valve plate (9) cooperatively interacting with valve seat (7), the lower end of the valve rod (10) that described valve plate (9) is interior with being arranged on valve body (1) is connected, the upper end of described valve rod (10) is provided with the Stem Mut (11) cooperatively interacting with it, handwheel (12) rotates the upper end that is arranged on valve rod (10) by Stem Mut (11), it is characterized in that: between described long-neck valve gap (4) intermediate inner wall and valve rod (10), be provided with Packing seat (13), stuffing box packing (14) and filler pressing sleeve (15), stuffing box packing (14) is arranged between Packing seat (13) and filler pressing sleeve (15), on the long-neck valve gap (4) of described filler pressing sleeve (15) upper end, be provided with hold-down grid (16), described hold-down grid (16) is connected with the engaging lug (19) being arranged on long-neck valve gap (4) with straight pin (18) by connecting bolt (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754407.9A CN103759029A (en) | 2013-12-31 | 2013-12-31 | Ultralow-temperature throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754407.9A CN103759029A (en) | 2013-12-31 | 2013-12-31 | Ultralow-temperature throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103759029A true CN103759029A (en) | 2014-04-30 |
Family
ID=50526317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754407.9A Pending CN103759029A (en) | 2013-12-31 | 2013-12-31 | Ultralow-temperature throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103759029A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270707A (en) * | 1998-03-24 | 1999-10-05 | Toho Gas Co Ltd | Gate valve for very low temperature |
| CN201218356Y (en) * | 2008-06-20 | 2009-04-08 | 罗浮阀门集团浙江亚星阀门有限公司 | Sluice valve |
| CN203131074U (en) * | 2013-02-22 | 2013-08-14 | 江苏天泰电站阀门有限公司 | Wedge gate valve |
| CN203146874U (en) * | 2013-01-31 | 2013-08-21 | 宋建华 | Sluice valve |
| CN203730802U (en) * | 2013-12-31 | 2014-07-23 | 江苏盐电阀门有限公司 | Ultralow temperature gate valve |
-
2013
- 2013-12-31 CN CN201310754407.9A patent/CN103759029A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270707A (en) * | 1998-03-24 | 1999-10-05 | Toho Gas Co Ltd | Gate valve for very low temperature |
| CN201218356Y (en) * | 2008-06-20 | 2009-04-08 | 罗浮阀门集团浙江亚星阀门有限公司 | Sluice valve |
| CN203146874U (en) * | 2013-01-31 | 2013-08-21 | 宋建华 | Sluice valve |
| CN203131074U (en) * | 2013-02-22 | 2013-08-14 | 江苏天泰电站阀门有限公司 | Wedge gate valve |
| CN203730802U (en) * | 2013-12-31 | 2014-07-23 | 江苏盐电阀门有限公司 | Ultralow temperature gate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203477339U (en) | Antibiotic stop valve | |
| CN203477370U (en) | Manual sluice valve with non-rising stem | |
| CN203730802U (en) | Ultralow temperature gate valve | |
| CN204729643U (en) | A kind of available valve clack cover carries out the cast steel stop valve of upper sealing | |
| CN201443649U (en) | Instrument block valve of dual seal structure with non-rotary lower valve stem | |
| CN103759029A (en) | Ultralow-temperature throttle valve | |
| CN202884051U (en) | Novel integrated stop valve | |
| CN201982680U (en) | Self-positioning stop valve | |
| CN203131081U (en) | High-tightness flat gate valve | |
| CN204756130U (en) | Non -rising -stem gate valve with indicator | |
| CN204985827U (en) | Fire -fighting spherical valve | |
| CN204187031U (en) | A kind of sealing rotary plug valve | |
| CN208997388U (en) | A kind of wear resistance ball valve | |
| CN204004755U (en) | A kind of filler auto-compensation stop valve | |
| CN102155543B (en) | Self-location stop valve | |
| CN202790875U (en) | High-tightness gate valve | |
| CN204213366U (en) | Self-compensation sealed revolves poppet valve core and complete assembling valve | |
| CN203703161U (en) | Laborsaving butterfly valve | |
| CN203322366U (en) | Power-driven anti-explosion fixed ball valve with sealing rings | |
| CN203322337U (en) | Gate valve with stop valve disassembling function | |
| CN203214911U (en) | Cross-type valve | |
| CN201896959U (en) | Non rising stem gate valve | |
| CN102979926A (en) | Stop valve special for chlorine | |
| CN102853089A (en) | Low-temperature stop valve | |
| CN205401785U (en) | Gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |