CN106321956A - Stop valve sealed by corrugated pipe - Google Patents
Stop valve sealed by corrugated pipe Download PDFInfo
- Publication number
- CN106321956A CN106321956A CN201610970242.2A CN201610970242A CN106321956A CN 106321956 A CN106321956 A CN 106321956A CN 201610970242 A CN201610970242 A CN 201610970242A CN 106321956 A CN106321956 A CN 106321956A
- Authority
- CN
- China
- Prior art keywords
- valve
- seal
- valve body
- corrugated tube
- gap
- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
- F16K41/106—Spindle sealings with diaphragm, e.g. shaped as bellows or tube for use with rotating spindles or 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a stop valve sealed by a corrugated pipe. The stop valve comprises a valve body, a valve element, a valve cover and a valve rod, wherein a flow channel and a valve element sealing hole are formed in the valve body, the valve rod and the valve element are installed in the valve body, the valve rod drives the valve element sealing hole to perform linear motion along the central line of the valve element sealing hole, the flow channel is cut off when the valve element is matched with the valve element sealing hole in a sealed mode, the valve cover is arranged in an installation opening formed in the upper portion of the valve body, the valve body is provided with a reinforcing cavity around the valve rod, the corrugated pipe is arranged in the reinforcing cavity, the periphery of the valve rod is sleeved with the corrugated pipe, and the valve rod is provided with corrugated pipe fixing positions respectively at the upper end and the lower end of the corrugated pipe. By the adoption of the scheme, the comprehensive performance between the valve rod and the valve body is improved through the stop valve sealed by the corrugated pipe.
Description
Technical field
The present invention relates to a kind of valve, be specifically related to the stop valve of a kind of sylphon seal.
Background technology
The opening and closing element of stop valve is the spool of stopper, and sealing surface is plane or the conical surface, and spool is along the center in seal spool hole
Line is for linear motion, is suitable as cutting off runner and uses.
Traditional stop valve includes valve body, spool and valve rod, is provided with runner and seal spool hole, valve rod and valve in valve body
Core is installed in valve body, and valve rod drives seal spool hole for linear motion along the centrage in seal spool hole, and spool is close with spool
Sealing of hole seals runner when coordinating and is cut off.
In order to avoid fluid is revealed from the gap between valve rod and valve body, between valve rod and valve body, often use filler
Seal, when valve applications in for inflammable, explosive, poisonous, have the special operation conditions such as radiating medium time, the sealing property of filler is then
Demand cannot be met.
Summary of the invention
For prior art exist deficiency, it is an object of the invention to provide a kind of improve between valve rod and valve body combine
Close the stop valve of the sylphon seal of performance.
For achieving the above object, the technical scheme is that and include valve body, spool, valve gap and valve rod, described
Valve body in be provided with runner and seal spool hole, described valve rod and spool are installed in valve body, and described valve rod drives valve
It is for linear motion along the centrage in seal spool hole that core seals hole, and described spool seals runner quilt when coordinating with seal spool hole
Cutting off, described valve gap is arranged at the installing port above valve body, it is characterised in that: described valve body is provided with reinforcement around valve rod
Chamber, this reinforcement intracavity is provided with corrugated tube, and this bellows-sheathed is located at stem outer circumference, and described valve rod is positioned at the upper and lower two ends of corrugated tube
It is respectively arranged with corrugated tube fixed bit.
By using technique scheme, set up corrugated tube, strengthen the combination property between valve rod and valve body, it is possible to adapt to
In inflammable, explosive, poisonous, have the special operation conditions such as radiating medium, utilize corrugated tube fixed bit, by corrugated tube, valve rod, valve gap,
Spool is combined as a unit, and integral installation, in valve body, increases the convenience of dismounting.
The present invention is further arranged to: also include handwheel and valve stem nut, and described valve gap is provided with valve gap support, institute
The valve stem nut stated coordinates with threaded stem, and described valve stem nut coordinates with valve gap holder pivots and is limited in valve gap support
In, described handwheel is positioned at outside valve gap and drives valve stem nut to rotate, and the described cavity wall strengthening chamber is axially arranged along valve rod
Gathering sill, described stem outer circumference is had to be provided with the keeper of sliding and gathering sill.
By using technique scheme, can not rotate in a circumferential direction owing to corrugated tube is merely able to axial stretching, handwheel drives
Valve stem nut rotates, and the structure of valve stem nut band ovable valve stem lifting avoids corrugated tube to damage because of distortion, thus increases practicality.
The present invention is further arranged to: described valve rod is positioned at the corrugated tube fixed bit of lower end and is provided with for fixing ripple
The cooperation ring of pipe, described keeper is the alignment pin being inserted in this cooperation ring.
By using technique scheme, coordinate ring on the one hand as the fixed bit of corrugated tube, on the other hand as location
The installation position of part, makes structure simplify further.
The present invention is further arranged to: described valve rod is positioned at the corrugated tube fixed bit of upper end and is provided with internal ring and outer shroud,
The holding chamber of sandwiched corrugated tube end, described internal ring, outer shroud and bellows-welding it is provided with between described internal ring and outer shroud
In holding chamber end.
By using technique scheme, the holding chamber that internal ring is constituted with outer shroud, three parts are firmly welded on
Together, it is to avoid the difficult problem that thin-wall corrugated tube welds with heavy wall parts, fixing intensity is increased.
The present invention is further arranged to: described outer shroud is located between valve body and valve gap, described outer shroud and valve body and
Sealing member it is provided with between valve gap.
By using technique scheme, while valve gap is installed, i.e. realize the installation of outer shroud, increase and convenience is installed,
Sealing member then avoids medium outwardly to reveal from storing dielectric cavity.
The present invention is further arranged to: be equipped with the fixing bolt for fixing both between described valve body and valve gap,
Described sealing member is to lay respectively at the gasket seal between outer shroud and valve gap and outer shroud and valve body, and described fixing bolt passes
Each gasket seal.
By using technique scheme, the gasket seal that upper and lower both sides are arranged, connected by the bolt of valve body, valve gap,
Not only ensure the sealing between valve body, valve gap, also ensure that the sealing of outer shroud and the location of outer shroud.
The present invention is further arranged to: be provided with packing cavity between described valve gap and stem outer circumference face, in this packing cavity
It is filled with the filler coordinated by valve gap with valve stem seal.
By using technique scheme, filler coordinates corrugated tube to constitute double-layer sealing structure, strengthens valve from entirety
Sealing property.
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the enlarged drawing of B in Fig. 1.
Detailed description of the invention
As shown in Fig. 1 Fig. 3, the invention discloses the stop valve of a kind of sylphon seal, including valve body 1, spool 2, valve
Lid 3 and valve rod 4, be provided with runner 11 and seal spool hole 12, valve rod 4 and spool 2 and be installed in valve body 1 in valve body 1, valve rod 4
Driving seal spool hole 12 for linear motion along the centrage in seal spool hole 12, spool 2 seals with seal spool hole 12 and coordinates
Shi Liudao 11 is cut off, and valve gap 3 is arranged at the installing port above valve body 1, and valve body 1 is provided with reinforcement chamber 13 around valve rod 4, and this adds
Being provided with corrugated tube 5 in strong chamber 13, this corrugated tube 5 is sheathed on valve rod 4 periphery, and valve rod 4 is positioned at corrugated tube about 5 two ends and sets respectively
It is equipped with corrugated tube fixed bit, sets up corrugated tube 5, strengthen the combination property between valve rod 4 and valve body 1, it is possible to be adapted to inflammable, easy
Quick-fried, poisonous, have the special operation conditions such as radiating medium, utilize corrugated tube fixed bit, by corrugated tube 5, valve rod 4, valve gap 3, spool 2 groups
Being combined into a unit, integral installation, in valve body 1, increases the convenience of dismounting.
Also include handwheel 6 and valve stem nut 41, valve gap 3 is provided with valve gap support 31, valve stem nut 41 and valve rod 4 screw thread
Coordinating, valve stem nut 41 and valve gap support 31 are rotatably assorted and are limited in valve gap support 31, and handwheel 6 is positioned at outside valve gap 3 also
Driving valve stem nut 41 to rotate, the cavity wall strengthening chamber 13 has gathering sill 131 along valve rod 4 is axially arranged, and valve rod 4 periphery is provided with cunning
Move the keeper with gathering sill 131, can not rotate in a circumferential direction owing to corrugated tube 5 is merely able to axial stretching, handwheel 6 band ovable valve stem spiral shell
Female 41 rotate, and the structure of valve stem nut 41 band ovable valve stem 4 lifting avoids corrugated tube 5 to damage because of distortion, thus increases practicality.
Valve rod 4 is positioned at the corrugated tube fixed bit of lower end and is provided with the cooperation ring 42 for fixing corrugated tube 5, and keeper is slotting
Being located at the alignment pin 421 of this cooperation ring 42, coordinate ring 42 1 aspect as the fixed bit of corrugated tube 5, on the other hand conduct positions
The installation position of part, makes structure simplify further.
Valve rod 4 is positioned at the corrugated tube fixed bit of upper end and is provided with between internal ring 43 and outer shroud 44, internal ring 43 and outer shroud 44 and sets
Being equipped with the holding chamber of sandwiched corrugated tube 5 end, internal ring 43, outer shroud 44 and corrugated tube 5 are welded in holding chamber end, and internal ring 43 is with outer
Three parts are firmly welded together by the holding chamber that ring 44 is constituted, it is to avoid thin-wall corrugated tube 5 welds with heavy wall parts
The difficult problem connect, increases fixing intensity, and in Fig. 2,51 is solder joint.
Outer shroud 44 is located between valve body 1 and valve gap 3, is provided with sealing member between outer shroud 44 and valve body 1 and valve gap 3,
I.e. realizing the installation of outer shroud 44 while installing valve gap 3, increase and install convenience, sealing member then avoids medium from storing dielectric cavity
Outwardly reveal.
Being equipped with the fixing bolt 13 for fixing both between valve body 1 and valve gap 3, sealing member is for laying respectively at outer shroud 44
And the gasket seal 441 between valve gap 3 and outer shroud 44 and valve body 1, fixing bolt 13 is through each gasket seal 441, upper and lower both sides
The gasket seal arranged, is connected by the bolt of valve body 1, valve gap 3, not only ensures the sealing between valve body 1, valve gap 3, the most really
Sealing and the location of outer shroud 44 of outer shroud 44 are protected.
Be provided with packing cavity 32 between valve gap 3 and valve rod 4 outer peripheral face, be filled with in this packing cavity 32 by valve gap 3 with
Valve rod 4 seals the filler 321 coordinated, and filler coordinates corrugated tube 5 to constitute double-layer sealing structure, strengthens the sealing of valve from entirety
Energy.
Claims (7)
1. a stop valve for sylphon seal, including valve body, spool, valve gap and valve rod, is provided with runner in described valve body
And seal spool hole, described valve rod and spool be installed in valve body, and described valve rod drives seal spool hole along seal spool
The centrage in hole is for linear motion, and described spool seals runner when coordinating and is cut off with seal spool hole, and described valve gap sets
It is placed in the installing port above valve body, it is characterised in that: described valve body is provided with reinforcement chamber around valve rod, and this reinforcement intracavity is arranged
Having corrugated tube, this bellows-sheathed is located at stem outer circumference, and described valve rod is positioned at the upper and lower two ends of corrugated tube and is respectively arranged with corrugated tube
Fixed bit.
The stop valve of sylphon seal the most according to claim 1, it is characterised in that: also include handwheel and valve stem nut,
Being provided with valve gap support on described valve gap, described valve stem nut coordinates with threaded stem, described valve stem nut and valve gap
Holder pivots coordinates and is limited in valve gap support, and described handwheel is positioned at outside valve gap and drives valve stem nut to rotate, described
Strengthen chamber cavity wall be axially provided with gathering sill along valve rod, described stem outer circumference is provided with the location of sliding and gathering sill
Part.
The stop valve of sylphon seal the most according to claim 2, it is characterised in that: described valve rod is positioned at the ripple of lower end
Stricture of vagina pipe fixed bit is provided with the cooperation ring for fixing corrugated tube, and described keeper is the alignment pin being inserted in this cooperation ring.
4. according to the stop valve of the sylphon seal described in claim 1 or 2 or 3, it is characterised in that: described valve rod is positioned at
The corrugated tube fixed bit of end is provided with internal ring and outer shroud, is provided with the folder of sandwiched corrugated tube end between described internal ring and outer shroud
Holding chamber, described internal ring, outer shroud and bellows-welding are in holding chamber end.
The stop valve of sylphon seal the most according to claim 4, it is characterised in that: described outer shroud be located in valve body and
Between valve gap, between described outer shroud and valve body and valve gap, it is provided with sealing member.
The stop valve of sylphon seal the most according to claim 5, it is characterised in that: wear between described valve body and valve gap
Being provided with the fixing bolt for fixing both, described sealing member is to lay respectively between outer shroud and valve gap and outer shroud and valve body
Gasket seal, described fixing bolt passes each gasket seal.
7. according to the stop valve of the sylphon seal described in claim 1 or 2 or 3, it is characterised in that: described valve gap and valve rod
It is provided with packing cavity between outer peripheral face, in this packing cavity, is filled with the filler coordinated with valve stem seal by valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970242.2A CN106321956A (en) | 2016-10-28 | 2016-10-28 | Stop valve sealed by corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970242.2A CN106321956A (en) | 2016-10-28 | 2016-10-28 | Stop valve sealed by corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321956A true CN106321956A (en) | 2017-01-11 |
Family
ID=57816773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610970242.2A Pending CN106321956A (en) | 2016-10-28 | 2016-10-28 | Stop valve sealed by corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413053A (en) * | 2018-03-21 | 2018-08-17 | 浙江威腾阀门有限公司 | Closed type shut-off valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04117971U (en) * | 1991-04-04 | 1992-10-22 | 株式会社本山製作所 | bellows seal valve |
| CN2632412Y (en) * | 2003-07-04 | 2004-08-11 | 浙江浙东高中压阀门制造有限公司 | Cut-off valve of corrugated pipe |
| CN101504090A (en) * | 2009-03-06 | 2009-08-12 | 浙江超达阀门股份有限公司 | Bellows welding member and welding method |
| CN201335194Y (en) * | 2008-12-03 | 2009-10-28 | 黄剑峰 | Stop valve for corrugated pipe |
| CN201934783U (en) * | 2010-12-28 | 2011-08-17 | 浙江纽顿流体控制有限公司 | Bellows stop valve special for chlorine |
| CN201982792U (en) * | 2010-12-20 | 2011-09-21 | 江苏江华阀业有限公司 | Dual-seal corrugated pipe chlorine valve |
| CN202284679U (en) * | 2011-10-14 | 2012-06-27 | 高东阀门有限公司 | Corrugated pipe stop valve |
| CN202674328U (en) * | 2012-07-05 | 2013-01-16 | 保一集团有限公司 | Bellows globe valve |
| CN206206770U (en) * | 2016-10-28 | 2017-05-31 | 超达阀门集团丽水有限公司 | A kind of stop valve of sylphon seal |
-
2016
- 2016-10-28 CN CN201610970242.2A patent/CN106321956A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04117971U (en) * | 1991-04-04 | 1992-10-22 | 株式会社本山製作所 | bellows seal valve |
| CN2632412Y (en) * | 2003-07-04 | 2004-08-11 | 浙江浙东高中压阀门制造有限公司 | Cut-off valve of corrugated pipe |
| CN201335194Y (en) * | 2008-12-03 | 2009-10-28 | 黄剑峰 | Stop valve for corrugated pipe |
| CN101504090A (en) * | 2009-03-06 | 2009-08-12 | 浙江超达阀门股份有限公司 | Bellows welding member and welding method |
| CN201982792U (en) * | 2010-12-20 | 2011-09-21 | 江苏江华阀业有限公司 | Dual-seal corrugated pipe chlorine valve |
| CN201934783U (en) * | 2010-12-28 | 2011-08-17 | 浙江纽顿流体控制有限公司 | Bellows stop valve special for chlorine |
| CN202284679U (en) * | 2011-10-14 | 2012-06-27 | 高东阀门有限公司 | Corrugated pipe stop valve |
| CN202674328U (en) * | 2012-07-05 | 2013-01-16 | 保一集团有限公司 | Bellows globe valve |
| CN206206770U (en) * | 2016-10-28 | 2017-05-31 | 超达阀门集团丽水有限公司 | A kind of stop valve of sylphon seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413053A (en) * | 2018-03-21 | 2018-08-17 | 浙江威腾阀门有限公司 | Closed type shut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |
Application publication date: 20170111 |
|
| RJ01 | Rejection of invention patent application after publication |