CN105333177A - Explosion-proof needle valve - Google Patents
Explosion-proof needle valve Download PDFInfo
- Publication number
- CN105333177A CN105333177A CN201510826554.1A CN201510826554A CN105333177A CN 105333177 A CN105333177 A CN 105333177A CN 201510826554 A CN201510826554 A CN 201510826554A CN 105333177 A CN105333177 A CN 105333177A
- Authority
- CN
- China
- Prior art keywords
- sealing gasket
- valve
- explosion
- passage
- proof
- 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
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
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/403—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint with a fracturing valve member
-
- 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
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to an explosion-proof needle valve. The explosion-proof needle valve comprises a valve body, a valve rod, a handle, a valve cover and a valve plug, wherein a first channel, a second channel and a valve rod channel are formed in the valve body and communicate with one another; an explosion-proof joint is arranged in the first channel; the valve rod passes through the valve rod channel; one end of the valve rod is fixed to the valve plug; the other end of the valve rod is fixed to the handle; a sealed cavity is also formed in the valve body and communicates with the valve rod channel; a sealing gasket unit is arranged in the sealed cavity and is fixed by a valve cover; the sealing gasket unit comprises a first sealing gasket, a second sealing gasket, a third sealing gasket and a fourth sealing gasket. The explosion-proof needle valve is excellent in performance, high in sealing performance and high in stability; the service life of the explosion-proof needle valve is prolonged; the explosion-proof needle valve is relatively safe and reliable.
Description
Technical field
The present invention relates to a kind of needle type valve, particularly a kind of explosion-proof needle type valve.
Background technique
A lot of needle type valve types is had in existing market, its sealability is all embodied in and valve body and outside sealing, on flow path, the seal pattern that valve rod and valve seat are formed is all generally the hard sealing between valve rod and valve seat, the metallic rod body of long-pending valve rod and valve seat directly extrude to be formed and seal, and its seal pattern is easy to the wearing and tearing caused between valve rod and valve seat, causes device damage to be accelerated, plant maintenance is frequent, increases the user cost of equipment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of explosion-proof needle type valve, superior performance, good airproof performance, and stability is high, adds working life, more safe and reliable.
For solving the problems of the technologies described above, technological scheme of the present invention is:
A kind of explosion-proof needle type valve, comprise valve body, valve rod, handle, valve gap and valve plug, described valve body is provided with first passage, second channel and valve stem passage, described first passage, second channel is connected with valve stem passage, Explosion proof joint is provided with in first passage, described Explosion proof joint comprises adapter body, adapter body sectional shape is T-shaped structure, third channel is provided with in adapter body, explosion-proof cavity, exhaust passage, explosion-proof cavity is positioned at bottom adapter body, one end, exhaust passage is connected with explosion-proof cavity, the other end is connected with ambient air, burst panel is provided with in described explosion-proof cavity, third channel is connected with first passage, first passage, the joint of second channel and valve stem passage is provided with valve plug lock chamber, valve plug is arranged in valve plug lock chamber, valve rod is through valve stem passage, one end and valve plug are fixed, the other end and handle fix, valve body is also provided with Seal cage, Seal cage is connected with valve stem passage, sealing gasket group is provided with in described Seal cage, sealing gasket group is fixed by valve gap, described sealing gasket group comprises the first sealing gasket, second sealing gasket, 3rd sealing gasket and the 4th sealing gasket, first sealing gasket and the 3rd sealing gasket lay respectively at two end faces up and down of the second sealing gasket, the lower surface of the first sealing gasket is provided with the first fixed groove of some trapezoid body structures, 3rd sealing gasket upper surface is provided with the second fixed groove of some trapezoid body structures, second sealing gasket upper surface and lower surface are respectively equipped with some first fixed lobes, first fixed lobe and the first fixed groove, second fixed groove interference fit, first sealing gasket, second sealing gasket, the superimposed setting of 3rd sealing gasket, described 4th sealing gasket is fixed on the first sealing gasket, second sealing gasket, 3rd sealing gasket inwall, the 4th sealing gasket inwall Formation cross-section that caves inward is the first lock chamber of arc-shaped structure, the second fixed lobe interference fit that first lock chamber and valve rod are provided with.
The explosion-proof needle type valve of above-mentioned one, wherein, described first passage and second channel are obliquely installed.
The explosion-proof needle type valve of above-mentioned one, wherein, is threaded connection between described Explosion proof joint and first passage.
Beneficial effect of the present invention is:
1. the present invention is provided with sealing gasket group in Seal cage, and the vibrational power flow of sealing gasket group, fully ensure that sealability, more safe and reliable, and wherein, the second fixed lobe interference fit of the 5th sealing gasket and valve rod, further increases sealability, avoid leakage;
2. be provided with Explosion proof joint in first passage, the third channel of Explosion proof joint is connected with first passage, play the effect guiding liquid, explosion-proof cavity is in communication with the outside by exhaust passage, be provided with burst panel in explosion-proof cavity, after the pressure in valve body reaches setting value, burst panel ruptures, the gas of overload is discharged in exhaust passage, ensure that use safety.
3. good airproof performance of the present invention, stability is high, adds working life, improves working efficiency, more safe and reliable.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention.
Fig. 2 is sealing gasket group sectional view of the present invention.
Embodiment
A kind of explosion-proof needle type valve as shown in the figure, comprise valve body 1, valve rod 2, handle 3, valve gap 4 and valve plug 5, described valve body 1 is provided with first passage 6, second channel 7 and valve stem passage 8, described first passage 6 is obliquely installed with second channel 7, described first passage 6, second channel 7 is connected with valve stem passage 8, Explosion proof joint 9 is provided with in first passage 6, be threaded connection between described Explosion proof joint 9 and first passage 6, described Explosion proof joint 9 comprises adapter body 10, adapter body 10 sectional shape is T-shaped structure, third channel 11 is provided with in adapter body 10, explosion-proof cavity 12, exhaust passage 13, explosion-proof cavity 12 is positioned at bottom adapter body 10, one end, exhaust passage 13 is connected with explosion-proof cavity 12, the other end is connected with ambient air, burst panel 14 is provided with in described explosion-proof cavity 12, third channel 11 is connected with first passage 6, first passage 6, the joint of second channel 7 and valve stem passage 8 is provided with valve plug lock chamber 15, valve plug 5 is arranged in valve plug lock chamber 15, valve rod 2 is through valve stem passage 8, one end and valve plug 5 are fixed, the other end and handle 3 fix, valve body 2 is also provided with Seal cage 16, Seal cage 16 is connected with valve stem passage 8, sealing gasket group 17 is provided with in described Seal cage 16, sealing gasket group 17 is fixed by valve gap 4, described sealing gasket group 17 comprises the first sealing gasket 18, second sealing gasket 19, 3rd sealing gasket 20 and the 4th sealing gasket 21, first sealing gasket 18 and the 3rd sealing gasket 20 lay respectively at two end faces up and down of the second sealing gasket 19, the lower surface of the first sealing gasket 18 is provided with the first fixed groove 22 of some trapezoid body structures, 3rd sealing gasket 20 upper surface is provided with the second fixed groove 23 of some trapezoid body structures, second sealing gasket 19 upper surface and lower surface are respectively equipped with some first fixed lobes 24, first fixed lobe and the first fixed groove, second fixed groove interference fit, first sealing gasket 18, second sealing gasket 19, the superimposed setting of 3rd sealing gasket 20, described 4th sealing gasket 21 is fixed on the first sealing gasket 18, second sealing gasket 19, 3rd sealing gasket 20 inwall, the 4th sealing gasket 21 inwall Formation cross-section that caves inward is the first lock chamber 25 of arc-shaped structure, the second fixed lobe 26 interference fit that first lock chamber 25 is provided with valve rod.
The present invention is provided with sealing gasket group in Seal cage, and the vibrational power flow of sealing gasket group, fully ensure that sealability, more safe and reliable, and wherein, the second fixed lobe interference fit of the 5th sealing gasket and valve rod, further increases sealability, avoid leakage;
Explosion proof joint is provided with in first passage, the third channel of Explosion proof joint is connected with first passage, play the effect guiding liquid, explosion-proof cavity is in communication with the outside by exhaust passage, be provided with burst panel in explosion-proof cavity, after the pressure in valve body reaches setting value, burst panel ruptures, the gas of overload is discharged in exhaust passage, ensure that use safety.
Good airproof performance of the present invention, stability is high, adds working life, improves working efficiency, more safe and reliable.
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 explosion-proof needle type valve, comprise valve body, valve rod, handle, valve gap and valve plug, it is characterized by, described valve body is provided with first passage, second channel and valve stem passage, described first passage, second channel is connected with valve stem passage, Explosion proof joint is provided with in first passage, described Explosion proof joint comprises adapter body, adapter body sectional shape is T-shaped structure, third channel is provided with in adapter body, explosion-proof cavity, exhaust passage, explosion-proof cavity is positioned at bottom adapter body, one end, exhaust passage is connected with explosion-proof cavity, the other end is connected with ambient air, burst panel is provided with in described explosion-proof cavity, third channel is connected with first passage, first passage, the joint of second channel and valve stem passage is provided with valve plug lock chamber, valve plug is arranged in valve plug lock chamber, valve rod is through valve stem passage, one end and valve plug are fixed, the other end and handle fix, valve body is also provided with Seal cage, Seal cage is connected with valve stem passage, sealing gasket group is provided with in described Seal cage, sealing gasket group is fixed by valve gap, described sealing gasket group comprises the first sealing gasket, second sealing gasket, 3rd sealing gasket and the 4th sealing gasket, first sealing gasket and the 3rd sealing gasket lay respectively at two end faces up and down of the second sealing gasket, the lower surface of the first sealing gasket is provided with the first fixed groove of some trapezoid body structures, 3rd sealing gasket upper surface is provided with the second fixed groove of some trapezoid body structures, second sealing gasket upper surface and lower surface are respectively equipped with some first fixed lobes, first fixed lobe and the first fixed groove, second fixed groove interference fit, first sealing gasket, second sealing gasket, the superimposed setting of 3rd sealing gasket, described 4th sealing gasket is fixed on the first sealing gasket, second sealing gasket, 3rd sealing gasket inwall, the 4th sealing gasket inwall Formation cross-section that caves inward is the first lock chamber of arc-shaped structure, the second fixed lobe interference fit that first lock chamber and valve rod are provided with.
2. a kind of explosion-proof needle type valve as claimed in claim 1, it is characterized by, described first passage and second channel are obliquely installed.
3. a kind of explosion-proof needle type valve as claimed in claim 1, is characterized by, be threaded connection between described Explosion proof joint and first passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510826554.1A CN105333177A (en) | 2015-11-25 | 2015-11-25 | Explosion-proof needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510826554.1A CN105333177A (en) | 2015-11-25 | 2015-11-25 | Explosion-proof needle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333177A true CN105333177A (en) | 2016-02-17 |
Family
ID=55283876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510826554.1A Pending CN105333177A (en) | 2015-11-25 | 2015-11-25 | Explosion-proof needle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333177A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1398703A (en) * | 1958-09-12 | 1965-05-14 | Pechiney Prod Chimiques Sa | Faucets |
| CN2450450Y (en) * | 2000-10-26 | 2001-09-26 | 上海气体阀门总厂 | Valve for gas cylinder |
| CN201034206Y (en) * | 2007-03-14 | 2008-03-12 | 张新浩 | Air bottle needle type hermetic valve |
| CN102364176A (en) * | 2011-10-26 | 2012-02-29 | 宣达实业集团有限公司 | Ball valve |
| CN102734473A (en) * | 2011-03-29 | 2012-10-17 | 抚顺市博瑞特科技有限公司 | Rotational-free self-sealing valve |
| CN203453478U (en) * | 2013-08-09 | 2014-02-26 | 上海气体阀门制造股份有限公司 | Device for opening and closing 35MPa vehicle gas cylinder during gas filling |
| CN204175997U (en) * | 2014-09-30 | 2015-02-25 | 高能阀门集团有限公司 | A kind of Double-clack stop valve |
| CN205244471U (en) * | 2015-11-25 | 2016-05-18 | 江苏华太电力仪表有限公司 | Explosion -proof needle type valve |
-
2015
- 2015-11-25 CN CN201510826554.1A patent/CN105333177A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1398703A (en) * | 1958-09-12 | 1965-05-14 | Pechiney Prod Chimiques Sa | Faucets |
| CN2450450Y (en) * | 2000-10-26 | 2001-09-26 | 上海气体阀门总厂 | Valve for gas cylinder |
| CN201034206Y (en) * | 2007-03-14 | 2008-03-12 | 张新浩 | Air bottle needle type hermetic valve |
| CN102734473A (en) * | 2011-03-29 | 2012-10-17 | 抚顺市博瑞特科技有限公司 | Rotational-free self-sealing valve |
| CN102364176A (en) * | 2011-10-26 | 2012-02-29 | 宣达实业集团有限公司 | Ball valve |
| CN203453478U (en) * | 2013-08-09 | 2014-02-26 | 上海气体阀门制造股份有限公司 | Device for opening and closing 35MPa vehicle gas cylinder during gas filling |
| CN204175997U (en) * | 2014-09-30 | 2015-02-25 | 高能阀门集团有限公司 | A kind of Double-clack stop valve |
| CN205244471U (en) * | 2015-11-25 | 2016-05-18 | 江苏华太电力仪表有限公司 | Explosion -proof needle type valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205244471U (en) | Explosion -proof needle type valve | |
| WO2015188452A1 (en) | Valve seat ring and multi-way valve having valve seat ring | |
| CN203309238U (en) | High-temperature high-pressure spring full lift safety valve | |
| CN105333177A (en) | Explosion-proof needle valve | |
| CN204140344U (en) | A kind of sealing configuration of diaphragm pump | |
| CN201963895U (en) | Labyrinth-type stop valve | |
| CN105370369A (en) | Exhaust pipe snap ring type seal connecting piece | |
| RU2012155790A (en) | CONTROL VALVE PRESSURE MANAGEMENT CHANNEL | |
| CN210739004U (en) | Double-pipeline explosion-proof valve | |
| CN205260914U (en) | Novel three -way cock valve | |
| CN203323961U (en) | Oil-gas-water isolator | |
| CN202273866U (en) | Air inlet valve of screw-type air compressor | |
| CN201575176U (en) | Manual parallel gate valve | |
| CN105782557A (en) | Valve body sealing structure | |
| CN104896157A (en) | Direct-acting type safety valve | |
| CN105179753A (en) | Flow limiting check combined valve | |
| CN204664532U (en) | Direct-power safety valve | |
| CN204062063U (en) | A kind of cooling gas check valve for outdoor high-voltage combined electric appliance | |
| CN203421231U (en) | Ultra-low pressure constant pressure check valve | |
| CN204328185U (en) | Valve built-in fat alternately multi-sealed stuffing box structure | |
| CN203796476U (en) | Spark plug bushing device of external pressure type natural gas engine | |
| CN203395176U (en) | Parking safety sealing device | |
| CN203847884U (en) | High-pressure-resistant and high-temperature-resistant rotation compensator | |
| CN202325347U (en) | Two-stage integrated high-pressure self-sealing device | |
| CN201627994U (en) | Pressure reducing valve for steel cylinders |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |