CN205654890U - Automatic instrument root valve - Google Patents
Automatic instrument root valve Download PDFInfo
- Publication number
- CN205654890U CN205654890U CN201620342685.2U CN201620342685U CN205654890U CN 205654890 U CN205654890 U CN 205654890U CN 201620342685 U CN201620342685 U CN 201620342685U CN 205654890 U CN205654890 U CN 205654890U
- Authority
- CN
- China
- Prior art keywords
- valve body
- sealing member
- valve
- union joint
- automatic instrument
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an automatic instrument root valve, include: valve body, connector and sealing member, the valve body is hollow barrel, and the lower part fixed mounting of valve body has the connector, and valve body internally mounted has the sealing member, is equipped with the toper platform in the valve body, and the toper platform forms sealed face with the sealing member, and the contactor is installed at the top of sealing member, and the elastic component is installed in the bottom and the cooperation of connector top of sealing member, is equipped with the route between sealing member and the valve body. The utility model discloses a technique aim at provide one kind safer, conveniently change the instrument, can self -closing and prevent the automatic instrument root valve that the medium flows, this kind of automatic instrument root valve can realize pipeline under pressure or pressure vessel's pressure instrument's online installation and change, prevents personnel's maloperation, the greatly reduced potential safety hazard reduces revealing of medium.
Description
Technical field
This utility model relates to valve field, particularly a kind of automatic instrument root valve.
Background technology
Before major part pressure pipeline/reservoir pressure instrument, gauge valve (instrument stop valve) is installed, but this gauge valve needs artificial open and close, but in actual mechanical process, the when of having carelessness unavoidably, forgetting to close, dielectric leakage causes security incident, or forget to turn on, instrument cannot detect, and does not works, thus can not detect its pressure.And before the manometer of some pressure pipeline/pressure vessel, it is not installed with gauge valve, when instrument misalignment or damage, need instrument to be examined and determine or changes.Pipeline if not turned off, direct dismounting with pressure or install instrument, can allow pipeline or the substantial amounts of leakage of container inner medium, have potential safety hazard.Accordingly, it would be desirable to closing presure pipeline or to container decompression, but in process of production, the supply of some media can not be stopped again so that instrument can not be changed in time.
Utility model content
The deficiency existed for above-mentioned instrument root valve, technical purpose of the present utility model is to provide a kind of automatic instrument root valve more conveniently, safely changed instrument, can be automatically switched off and prevent medium from flowing out, this automatic instrument root valve is capable of the online of the manometer of pressure pipeline or pressure vessel and installs and change, prevent personnel's maloperation, it is substantially reduced potential safety hazard, reduces the leakage of medium.
This utility model is achieved through the following technical solutions:
A kind of automatic instrument root valve, including: valve body, union joint and sealing member, described valve body is the cylinder of hollow, the bottom of valve body is installed with union joint, and valve inner is provided with sealing member, is provided with taper platform in valve body, taper platform forms sealing surface with sealing member, the top of sealing member is provided with catalyst, and the bottom of sealing member coordinates with union joint top and is provided with elastic component, is provided with path between sealing member and valve body.
In technique scheme, by being provided with elastic component in the bottom of sealing member, on the taper platform that sealing member is pressed in valve body by elastic component, thus form sealing surface；Being provided with catalyst at the top of sealing member, after the instrument that catalyst is mounted is pressed downward against, elastic component forms gap with taper platform, so that valve body top is connected with union joint, so that medium flows through by catalyst, sealing member and elastic component；After instrument is taken out, catalyst is by elastic component upwardly, so that sealing member and valve seal, block the circulation of medium, so that root valve is automatically switched off, add safety, convenient when instrument is changed, prevent operator's maloperation, be substantially reduced potential safety hazard, the volume simultaneously also making root valve is little, compact conformation.
Further, described sealing member includes flap guide holder and flap seal receptacle, and the bottom of flap guide holder is provided with round boss, and top is provided with circular groove, and described round boss coordinates installation with elastic component, and the cross section of flap guide holder is set to non-circular；The bottom of flap seal receptacle is arranged in the circular groove at flap guide holder top, and flap seal receptacle top is installed with catalyst.
In technique scheme, coordinated with valve interior wall by the flap guide holder being provided with, flap guide holder freely can slide up and down in valve body, the boss that flap seal receptacle bottom is provided with enables to elastic component and is more prone to be arranged on bottom flap seal receptacle, the circular groove that flap seal receptacle top is provided with can firmly, reliably install flap seal receptacle, the cross section of flap guide holder is set to non-circular, makes the two ends up and down of flap guide holder connect；At the hard-wired catalyst in flap seal receptacle top, it is possible to when making to install instrument, it is possible to make flap seal receptacle move down, so that root valve connection.
Further, the little nose circle of described valve body inner conical platform is provided with bulge loop, and the inwall of described bulge loop coordinates installation with the outer wall of catalyst；The top of valve body is provided with connecting hole.
In technique scheme, by being provided with bulge loop at the little nose circle of valve body inner conical platform, catalyst can move up and down along the inwall of bulge loop.
Further, described catalyst offers blind hole vertically, and the bottom of described blind hole radially offers through hole.
In technique scheme, by being axially arranged with blind hole at catalyst, the bottom of blind hole radially offers through hole so that when root valve is opened, and the connecting hole on valve body is connected by catalyst with union joint.
Further, described union joint is hollow structure, and union joint top is provided with annular boss, and annular boss coordinates installation with elastic component, and the middle part of union joint is provided with boss, is provided with valve seals between boss upper surface and the bottom face of valve body on union joint.
In technique scheme, by being provided with annular boss at union joint top, elastic component is supported by annular boss, the boss that the middle part of union joint is provided with sealing ring can be conveniently installed.
Further, the inwall of described upper connecting hole is provided with screw thread, and the bottom of upper connecting hole is provided with sealing ring.
In technique scheme, the screw thread that connecting hole inwall is provided with can conveniently install instrument, and the sealing ring being provided with avoids medium to spill.
Further, described elastic component is coil spring.
In technique scheme, by being coil spring by elastic component so that root valve light weight, low cost, easy for installation.
The beneficial effects of the utility model are:
1, by being provided with elastic component in the bottom of sealing member, on the taper platform that sealing member is pressed in valve body by elastic component, thus sealing surface is formed；Being provided with catalyst at the top of sealing member, after the instrument that catalyst is mounted is pressed downward against, elastic component forms gap with taper platform, so that valve body top is connected with union joint, so that medium flows through by catalyst, sealing member and elastic component；After instrument is taken out, catalyst is by elastic component upwardly, so that sealing member and valve seal, block the circulation of medium, so that root valve is automatically switched off, add safety, convenient when instrument is changed, prevent operator's maloperation, be substantially reduced potential safety hazard, the volume simultaneously also making root valve is little, compact conformation, and facilitates the online of manometer of pressure pipeline or pressure vessel to install and change.
2, the flap guide holder by being provided with coordinates with valve interior wall, flap guide holder freely can slide up and down in valve body, the boss that flap seal receptacle bottom is provided with enables to elastic component and is more prone to be arranged on bottom flap seal receptacle, the circular groove that flap seal receptacle top is provided with can firmly, reliably install flap seal receptacle, the cross section of flap guide holder is set to non-circular, makes the two ends up and down of flap guide holder connect；At the hard-wired catalyst in flap seal receptacle top, it is possible to when making to install instrument, it is possible to make flap seal receptacle move down, so that root valve connection.
3, by being axially arranged with blind hole at catalyst, the bottom of blind hole radially offers through hole so that when root valve is opened, and the connecting hole on valve body is connected by catalyst with union joint.
4, by being provided with annular boss at union joint top, elastic component is supported by annular boss, the boss that the middle part of union joint is provided with sealing ring can be conveniently installed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view of flap guide holder.
Labelling in figure: 1 be valve body, 2 be union joint, 3 be sealing member, 4 be flap guide holder, 5 be flap seal receptacle, 6 be elastic component, 7 be valve seals, 8 be blind hole, 9 be catalyst, 10 be bulge loop, 11 for through hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail.
nullAutomatic instrument root valve as depicted in figs. 1 and 2，Including: valve body 1、Union joint 2、Sealing member 3、Flap guide holder 4、Flap seal receptacle 5、Elastic component 6、Valve seals 7、Blind hole 8、Catalyst 9、Bulge loop 10 and through hole 11，Valve body 1、Union joint 2、Flap guide holder 4、Elastic component 6 and catalyst 9 are stainless steel，With the most reliable at low-temperature working environment，Particularly apply at liquefied natural gas，Described valve body 1 is the cylinder of hollow，The bottom of valve body 1 is installed with union joint 2，Valve body 1 coordinates the cross sectional shape of installation place to be circle with flap guide holder 4，Valve body 1 is internally installed sealing member 3，Taper platform it is provided with in valve body 1，Taper platform and sealing member 3 form sealing surface，The top of sealing member 3 is provided with catalyst 9，The bottom of sealing member 3 coordinates with union joint top and is provided with elastic component 6，It is provided with path between sealing member 3 and valve body 1.
Sealing member 3 includes flap guide holder 4 and flap seal receptacle 5, the bottom of flap guide holder 4 is provided with round boss, top is provided with circular groove, described round boss coordinates installation with elastic component 6, the cross section of flap guide holder 4 is set to non-circular, and the circular arc on usual flap guide holder 4 equidistant mill off three limit/tetra-limit/five limit in the axial direction, generally by outer wall mill off three limit of flap guide holder 4, circular arc is arranged with uniform plane, so that medium can become the gap location of plane to circulate from milling；The bottom of flap seal receptacle 5 is arranged in the circular groove at flap guide holder 4 top, and flap seal receptacle 5 top is installed with catalyst；The little nose circle of valve body 1 inner conical platform is provided with bulge loop 10, and the inwall of described bulge loop 10 coordinates installation with the outer wall of catalyst 9, and the cross sectional shape of catalyst 9 can be circular, rectangle；The top of valve body 1 is provided with connecting hole；Described catalyst 9 offers blind hole 8 vertically, and the bottom of described blind hole 8 radially offers through hole 11；Union joint 2 is hollow structure, union joint 2 top is provided with annular boss, annular boss coordinates installation with elastic component 6, the middle part of union joint 2 is provided with boss, it is provided with valve seals 7 between boss upper surface and the bottom face of valve body 1 on union joint 2, union joint 2 upper end outer wall is provided with screw thread, valve body 1 lower end inner wall is provided with screw thread, valve body 1 is installed with union joint 2 threaded engagement, the lower end outer wall of union joint 2 is provided with screw thread, it is easily installed on pipeline, the thread size that union joint 2 lower end outer wall is provided with is identical with manometer thread size, to be fitted without can being mounted directly of instrument for automatic control valve in the past；The inwall of described upper connecting hole is provided with screw thread, and the bottom of upper connecting hole is provided with sealing ring, and the material of sealing ring is nitrile rubber；Described elastic component 6 is coil spring, and the material of coil spring is rustless steel so that coil spring adapts to low temperature, and more durable.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (7)
1. an automatic instrument root valve, it is characterized in that, including: valve body (1), union joint (2) and sealing member (3), described valve body (1) is the cylinder of hollow, the bottom of valve body (1) is installed with union joint (2), valve body (1) is internally installed sealing member (3), valve body is provided with taper platform in (1), taper platform forms sealing surface with sealing member (3), the top of sealing member (3) is provided with catalyst (9), the bottom of sealing member (3) coordinates with union joint top and is provided with elastic component (6), it is provided with path between sealing member (3) and valve body (1).
2. automatic instrument root valve as claimed in claim 1, it is characterized in that, described sealing member (3) includes flap guide holder (4) and flap seal receptacle (5), the bottom of flap guide holder (4) is provided with round boss, top is provided with circular groove, described round boss coordinates installation with elastic component (6), and the cross section of flap guide holder (4) is set to non-circular；The bottom of flap seal receptacle (5) is arranged in the circular groove at flap guide holder (4) top, and flap seal receptacle (5) top is installed with catalyst.
3. automatic instrument root valve as claimed in claim 2, it is characterised in that the little nose circle of described valve body (1) inner conical platform is provided with bulge loop (10), and the inwall of described bulge loop (10) coordinates installation with the outer wall of catalyst (9)；The top of valve body (1) is provided with connecting hole.
4. automatic instrument root valve as claimed in claim 3, it is characterised in that described catalyst (9) offers blind hole (8) vertically, and the bottom of described blind hole (8) radially offers through hole (11).
5. automatic instrument root valve as claimed in claim 4, it is characterized in that, described union joint (2) is hollow structure, union joint (2) top is provided with annular boss, annular boss coordinates installation with elastic component (6), the middle part of union joint (2) is provided with boss, is provided with valve seals (7) between boss upper surface and the bottom face of valve body (1) on union joint (2).
6. automatic instrument root valve as claimed in claim 5, it is characterised in that the inwall of described upper connecting hole is provided with screw thread, and the bottom of upper connecting hole is provided with sealing ring.
7. automatic instrument root valve as claimed in claim 6, it is characterised in that described elastic component (6) is coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620342685.2U CN205654890U (en) | 2016-04-22 | 2016-04-22 | Automatic instrument root valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620342685.2U CN205654890U (en) | 2016-04-22 | 2016-04-22 | Automatic instrument root valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654890U true CN205654890U (en) | 2016-10-19 |
Family
ID=57401515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620342685.2U Expired - Fee Related CN205654890U (en) | 2016-04-22 | 2016-04-22 | Automatic instrument root valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805327A (en) * | 2016-04-22 | 2016-07-27 | 简阳市中原低温设备配套有限公司 | Automatic instrument root valve |
-
2016
- 2016-04-22 CN CN201620342685.2U patent/CN205654890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805327A (en) * | 2016-04-22 | 2016-07-27 | 简阳市中原低温设备配套有限公司 | Automatic instrument root valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20200422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |