CN108468812A - A kind of double isolation needle-valves of super-pressure - Google Patents
A kind of double isolation needle-valves of super-pressure Download PDFInfo
- Publication number
- CN108468812A CN108468812A CN201810645948.0A CN201810645948A CN108468812A CN 108468812 A CN108468812 A CN 108468812A CN 201810645948 A CN201810645948 A CN 201810645948A CN 108468812 A CN108468812 A CN 108468812A
- Authority
- CN
- China
- Prior art keywords
- valve rod
- upper valve
- needle
- valve body
- valve
- 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.)
- Withdrawn
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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
- 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
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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
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of double isolation needle-valves of super-pressure of ultra-high pressure needle valve technical field,Including valve body,It is plugged with upper valve rod one and upper valve rod two respectively at left and right sides of the top of the valve body,The top of the upper valve rod one is installed by needle-valve handle,Anti-rotation support ring is installed between the torsional stop and valve body,The bottom of the upper valve rod one and upper valve rod two is mounted on lower valve rod,Filler pressure pad and Packing seat are installed in the upper of the lower valve rod respectively,Gland described in two groups is respectively mounted collar close to the side of lower valve rod,The left and right sides and bottom of the valve body are equipped with interior hexagonal cylindrical end holding screw two,Interior hexagonal cylindrical end holding screw two described in three groups is respectively mounted silicon nitride ceramic ball close to the side of lower valve rod,The double isolation needle-valves of the super-pressure are compared with single valve,Standby valve at more one,And volume is extremely close,It has almost no change to installation requirement,When upper valve rod one cannot achieve closing simultaneously,Spare handle can be used to be mounted on upper valve rod two to be closed at once.
Description
Technical field
The present invention relates to ultra-high pressure needle valve technical field, the double isolation needle-valves of specially a kind of super-pressure.
Background technology
Ultra-high pressure needle valve all can not carry out shutoff operation for single valve when valve leaks in the world at present, for this purpose,
It is proposed that a kind of double isolation needle-valves of super-pressure.
Invention content
The purpose of the present invention is to provide a kind of double isolation needle-valves of super-pressure, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of double isolation needle-valves of super-pressure, including valve body,
Upper valve rod one and upper valve rod two are plugged at left and right sides of the top of the valve body respectively, needle-valve is installed at the top of the upper valve rod one
Handle, and hexagonal cylindrical end holding screw one in the right side installation of needle-valve handle, the outer wall of the upper valve rod one and upper valve rod two
Gland is installed, the side of the upper valve rod one and upper valve rod two far from spindle of valve body line is respectively mounted torsional stop, and torsional stop
It is fixed on the top of valve body by slotted pan head screw, anti-rotation support ring, the upper valve are installed between the torsional stop and valve body
The bottom of bar one and upper valve rod two is mounted on lower valve rod, and filler pressure pad and Packing seat are installed in the upper of the lower valve rod respectively, and
Filler pressure pad is located at the top of Packing seat, cavity is formed between the filler pressure pad and Packing seat, and filler, institute are equipped in cavity
It states the right side of valve body and bottom and is respectively mounted gland, gland described in two groups is respectively mounted collar, the valve body close to the side of lower valve rod
The left and right sides and bottom be equipped with interior hexagonal cylindrical end holding screw two, interior hexagonal cylindrical end holding screw two described in three groups leans on
The side of nearly lower valve rod is respectively mounted silicon nitride ceramic ball.
Preferably, the upper valve rod one and upper valve rod two are the identical upper valve rod of two groups of structures, and upper valve rod one and needle-valve
Handle connects, and upper valve rod two is not connected to needle-valve handle.
Compared with prior art, the beneficial effects of the invention are as follows：The double isolation needle-valves of the super-pressure are compared with single valve, and more one
Locate standby valve, and volume is extremely close, has almost no change to installation requirement, while when upper valve rod one cannot achieve closing,
Spare handle can be used to be mounted on upper valve rod two to be closed at once.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1 needle-valve handle, hexagonal cylindrical end holding screw one, 3 upper valve rods two, 4 glands, 5 fluting coiled hairs in 2
Screw, 6 torsional stops, 7 anti-rotation support rings, 8 lower valve rods, 9 valve bodies, 10 filler pressure pads, 11 fillers, 12 Packing seats, 13 collars, 14 pressures
Hexagonal cylindrical end holding screw two, 17 silicon nitride ceramic balls in lid, 15 upper valve rods one, 16.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of double isolation needle-valves of super-pressure, including valve body 9, valve body 9
Top at left and right sides of be plugged with upper valve rod 1 and upper valve rod 23 respectively, the top installation needle-valve handle 1 of upper valve rod 1,
And hexagonal cylindrical end holding screw 1 in the right side installation of needle-valve handle 1, the outer wall installation of upper valve rod 1 and upper valve rod 23
The side of gland 4, upper valve rod 1 and upper valve rod 23 far from 9 central axes of valve body is respectively mounted torsional stop 6, and torsional stop 6 is logical
The top that slotted pan head screw 5 is fixed on valve body 9 is crossed, anti-rotation support ring 7, upper valve rod 1 are installed between torsional stop 6 and valve body 9
It is mounted on lower valve rod 8, the upper pressure pad of installation filler respectively 10 and Packing seat 12 of lower valve rod 8 with the bottom of upper valve rod 23, and is filled out
Material pressure pad 10 is located at the top of Packing seat 12, cavity is formed between filler pressure pad 10 and Packing seat 12, and filler is equipped in cavity
11, the right side and bottom of valve body 9 are respectively mounted gland 14, and two groups of glands 14 are respectively mounted collar 13, valve body close to the side of lower valve rod 8
9 left and right sides and bottom are equipped with interior hexagonal cylindrical end holding screw 2 16, hexagonal cylindrical end holding screw 2 16 in three groups
It is respectively mounted silicon nitride ceramic ball 17 close to the side of lower valve rod 8.
Wherein, upper valve rod 1 and upper valve rod 23 are the identical upper valve rod of two groups of structures, and upper valve rod 1 and needle-valve hand
Handle 1 connects, and upper valve rod 23 is not connected to needle-valve handle 1, and upper valve rod 1 is regular job needle-valve, and upper valve rod 23 is spare
Needle-valve can use spare handle to be mounted on upper valve rod 23 and be closed at once when upper valve rod 1 cannot achieve closing
It closes.
Operation principle：The double isolation needle-valves of the super-pressure, which have, is isolated needle-valve, upper valve at 23 liang of upper valve rod 1 and upper valve rod
Bar 1 is regular job needle-valve, and upper valve rod 23 is spare needle-valve can use when upper valve rod 1 cannot achieve closing
Spare handle is mounted on upper valve rod 23 and is closed at once.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of double isolation needle-valves of super-pressure, including valve body（9）, it is characterised in that：The valve body（9）Top at left and right sides of point
It is not plugged with upper valve rod one（15）With upper valve rod two（3）, the upper valve rod one（15）Top install needle-valve handle（1）, and needle
Valve handle（1）Right side installation in hexagonal cylindrical end holding screw one（2）, the upper valve rod one（15）With upper valve rod two（3）'s
Outer wall installs gland（4）, the upper valve rod one（15）With upper valve rod two（3）Far from valve body（9）Pacify the side of central axes
Fill torsional stop（6）, and torsional stop（6）Pass through slotted pan head screw（5）It is fixed on valve body（9）Top, the torsional stop（6）With
Valve body（9）Between install anti-rotation support ring（7）, the upper valve rod one（15）With upper valve rod two（3）Bottom be mounted on lower valve
Bar（8）, the lower valve rod（8）It is upper respectively install filler pressure pad（10）And Packing seat（12）, and filler pressure pad（10）Positioned at filling out
Backing strap（12）Top, the filler pressure pad（10）And Packing seat（12）Between form cavity, and filler is equipped in cavity（11）,
The valve body（9）Right side and bottom be respectively mounted gland（14）, gland described in two groups（14）Close to lower valve rod（8）Side pacify
Fill collar（13）, the valve body（9）The left and right sides and bottom be equipped with interior hexagonal cylindrical end holding screw two（16）, three groups of institutes
State interior hexagonal cylindrical end holding screw two（16）Close to lower valve rod（8）Side be respectively mounted silicon nitride ceramic ball（17）.
2. a kind of double isolation needle-valves of super-pressure according to claim 1, it is characterised in that：The upper valve rod one（15）With it is upper
Valve rod two（3）For the identical upper valve rod of two groups of structures, and upper valve rod one（15）With needle-valve handle（1）Connection, and upper valve rod two（3）
With needle-valve handle（1）It is not connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645948.0A CN108468812A (en) | 2018-06-21 | 2018-06-21 | A kind of double isolation needle-valves of super-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645948.0A CN108468812A (en) | 2018-06-21 | 2018-06-21 | A kind of double isolation needle-valves of super-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108468812A true CN108468812A (en) | 2018-08-31 |
Family
ID=63259883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810645948.0A Withdrawn CN108468812A (en) | 2018-06-21 | 2018-06-21 | A kind of double isolation needle-valves of super-pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108468812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139937A (en) * | 2018-10-10 | 2019-01-04 | 特阀江苏流体机械制造有限公司 | A kind of double isolation needle-valves of super-pressure |
-
2018
- 2018-06-21 CN CN201810645948.0A patent/CN108468812A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139937A (en) * | 2018-10-10 | 2019-01-04 | 特阀江苏流体机械制造有限公司 | A kind of double isolation needle-valves of super-pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180831 |
|
| WW01 | Invention patent application withdrawn after publication |