CN105805327A - Automatic instrument root valve - Google Patents
Automatic instrument root valve Download PDFInfo
- Publication number
- CN105805327A CN105805327A CN201610253009.2A CN201610253009A CN105805327A CN 105805327 A CN105805327 A CN 105805327A CN 201610253009 A CN201610253009 A CN 201610253009A CN 105805327 A CN105805327 A CN 105805327A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- sealing member
- 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.)
- Pending
Links
Classifications
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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
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
Abstract
The invention discloses an automatic instrument root valve. The automatic instrument root valve comprises a valve body, a connector and a sealing element, wherein the valve body is a hollow barrel; the connector is fixedly mounted on the lower part of the valve body; the sealing element is mounted in the valve body; a conical table is arranged in the valve body; the conical table and the sealing element form a sealing surface; a contactor is mounted on the top of the sealing element; an elastic piece is mounted by matching the bottom of the sealing element with the top of the connector; and a passage is formed between the sealing element and the valve body. The technological purpose of the invention is to provide the automatic instrument root valve which is safe, facilitates changing of an instrument, and can be automatically closed to prevent a medium from flowing out. By the automatic instrument root valve, online mounting and changing of a pressure instrument of a pressure pipe or a pressure vessel can be realized, misoperation of personnel is prevented, potential safety hazards are greatly reduced, and leakage of the medium is reduced.
Description
Technical field
The present invention 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, when having carelessness unavoidably, forgetting to close, dielectric leakage causes security incident, or forget to turn on, instrument cannot detect, and does not work, thus its pressure can not be detected.And before the manometer of some pressure pipeline/pressure vessel, it is not installed with gauge valve, when instrument misalignment or damage, it is necessary to instrument is 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.
Summary of the invention
For the deficiency that above-mentioned instrument root valve exists, the technical purpose of the present invention is in that to provide a kind of more conveniently, safely to be changed instrument, can be automatically switched off and the automatic instrument root valve that prevents 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.
The present invention 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, sealing member is pressed on the taper platform in valve body by elastic component, thus forming 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 by catalyst, sealing member and elastic component, so that medium flows through；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, cost are low, easy for installation.
The invention has the beneficial effects as follows:
1, by being provided with elastic component in the bottom of sealing member, sealing member is pressed on the taper platform in valve body by elastic component, thus forming 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 by catalyst, sealing member and elastic component, so that medium flows through；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 the structural representation of the present invention；
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 accompanying drawing, the present invention 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 also very reliable at low-temperature working environment，Particularly it is applied in 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, medium circular arc arranged, so that can become the gap location of plane to circulate from milling with uniform plane；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 directly installing 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 present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include 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), the cylinder that described valve body (1) is 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 |
|---|---|---|---|
| CN201610253009.2A CN105805327A (en) | 2016-04-22 | 2016-04-22 | Automatic instrument root valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253009.2A CN105805327A (en) | 2016-04-22 | 2016-04-22 | Automatic instrument root valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805327A true CN105805327A (en) | 2016-07-27 |
Family
ID=56458355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253009.2A Pending CN105805327A (en) | 2016-04-22 | 2016-04-22 | Automatic instrument root valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360356A (en) * | 2019-07-19 | 2019-10-22 | 张家港富瑞阀门有限公司 | A kind of hydrogen safety valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325603Y (en) * | 1997-12-22 | 1999-06-23 | 机械工业部西安重型机械研究所 | Valve for controlling pressure guage |
| CN202955238U (en) * | 2012-09-17 | 2013-05-29 | 上海蓝泊五金工具有限公司 | Connection valve of foaming gun |
| CN203431187U (en) * | 2013-07-30 | 2014-02-12 | 高益松 | Joint valve for foaming gun |
| CN203614963U (en) * | 2013-12-04 | 2014-05-28 | 董其宏 | Unidirectional blocking valve for pressure gauge |
| WO2014199182A1 (en) * | 2013-06-14 | 2014-12-18 | The Salford Valve Company Limited | Fluid dispensing apparatus and method |
| CN205654890U (en) * | 2016-04-22 | 2016-10-19 | 简阳市中原低温设备配套有限公司 | Automatic instrument root valve |
-
2016
- 2016-04-22 CN CN201610253009.2A patent/CN105805327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325603Y (en) * | 1997-12-22 | 1999-06-23 | 机械工业部西安重型机械研究所 | Valve for controlling pressure guage |
| CN202955238U (en) * | 2012-09-17 | 2013-05-29 | 上海蓝泊五金工具有限公司 | Connection valve of foaming gun |
| WO2014199182A1 (en) * | 2013-06-14 | 2014-12-18 | The Salford Valve Company Limited | Fluid dispensing apparatus and method |
| CN203431187U (en) * | 2013-07-30 | 2014-02-12 | 高益松 | Joint valve for foaming gun |
| CN203614963U (en) * | 2013-12-04 | 2014-05-28 | 董其宏 | Unidirectional blocking valve for pressure gauge |
| CN205654890U (en) * | 2016-04-22 | 2016-10-19 | 简阳市中原低温设备配套有限公司 | Automatic instrument root valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360356A (en) * | 2019-07-19 | 2019-10-22 | 张家港富瑞阀门有限公司 | A kind of hydrogen safety valve |
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Legal Events
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| 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 |
Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |