CN217207739U - Built-in valve installed at gas outlet of gas meter - Google Patents

Built-in valve installed at gas outlet of gas meter Download PDF

Info

Publication number
CN217207739U
CN217207739U CN202121513218.9U CN202121513218U CN217207739U CN 217207739 U CN217207739 U CN 217207739U CN 202121513218 U CN202121513218 U CN 202121513218U CN 217207739 U CN217207739 U CN 217207739U
Authority
CN
China
Prior art keywords
valve
valve body
gas
gas outlet
built
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.)
Active
Application number
CN202121513218.9U
Other languages
Chinese (zh)
Inventor
温科
王思凤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Zhongke Zhicheng Technology Co ltd
Original Assignee
Chengdu Zhicheng Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Zhicheng Technology Co ltd filed Critical Chengdu Zhicheng Technology Co ltd
Priority to CN202121513218.9U priority Critical patent/CN217207739U/en
Application granted granted Critical
Publication of CN217207739U publication Critical patent/CN217207739U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Measuring Volume Flow (AREA)

Abstract

The utility model discloses an install built-in valve in gas table gas outlet relates to the gas table field, including valve body, valve rod, the sealed separator who is used for keeping apart the gas between valve body and the case, and the first end of valve rod is installed and is sealed the pad, is provided with air inlet, gas outlet, mounting hole and edge of a knife on the valve body, and the air inlet of valve body communicates with the gas outlet of gas table, and the edge of a knife is located between air inlet and the gas outlet on the valve body, and the case is used for controlling the valve rod to be close to or keep away from the edge of a knife; a knife edge is arranged in the valve body, and when the valve rod pushes the sealing framework to drive the sealing gasket to tightly press the knife edge, the valve is closed; when the valve rod pulls the sealing framework to drive the sealing gasket to be far away from the knife edge, the valve is opened, when the valve is in an open valve state, the distance between the knife edge of the valve body and the sealing gasket enables the pressure loss from the air inlet to the air outlet to meet the requirements of customers, the valve body of the built-in valve does not need to introduce the valve cover, the part cost of the valve cover is saved, and the air leakage at the sealing position of the valve body and the valve cover is avoided.

Description

Built-in valve installed at gas outlet of gas meter
Technical Field
The utility model relates to a gas table field especially relates to an install in built-in valve of gas table gas outlet.
Background
The BK series membrane type gas meter requires that an air outlet of a built-in valve is connected with an air outlet of a meter shell, an air inlet of the built-in valve is connected with an air outlet of a meter core, as shown in figure 1, the pressure loss of natural gas along the way from the air inlet to the air outlet of the built-in valve is large, and inconvenience for gas use of a user can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that a built-in valve installed at the gas outlet of a gas meter is designed.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a built-in valve installed at a gas outlet of a gas meter comprises:
a valve body; the valve body is provided with a gas inlet, a gas outlet, a mounting hole and a knife edge, the gas inlet of the valve body is communicated with the gas outlet of the gas meter, and the knife edge is positioned between the gas inlet and the gas outlet on the valve body;
a valve stem; a sealing gasket is arranged at the first end of the valve rod, and the second end of the valve rod penetrates through the mounting hole and is positioned on the outer side of the valve body;
a valve core; the valve core is used for controlling the valve rod to be close to or far away from the knife edge, the moving action end of the valve core acts on the second end of the valve rod, the sealing gasket is separated from the knife edge when the valve is opened, the air inlet and the air outlet of the valve body are communicated, the sealing gasket is in extrusion contact with the knife edge when the valve is closed, and the air inlet and the air outlet on the valve body are blocked;
a seal and isolation member for isolating gas between the valve body and the valve core; the sealing spacer is disposed at the mounting hole.
The beneficial effects of the utility model reside in that: a knife edge is arranged in the valve body, and when the valve rod pushes the sealing framework to drive the sealing gasket to tightly press the knife edge, the valve is closed; when the valve rod pulls the sealing framework to drive the sealing gasket to be far away from the knife edge, the valve is opened, when the valve is in an open valve state, the distance between the knife edge of the valve body and the sealing gasket enables the pressure loss from the air inlet to the air outlet to meet the requirements of customers, the valve body of the built-in valve does not need to introduce the valve cover, the part cost of the valve cover is saved, and the air leakage at the sealing position of the valve body and the valve cover is avoided.
Drawings
FIG. 1 is a valve body and valve cover structure of a built-in valve of a traditional BK series membrane gas meter;
fig. 2 is a schematic view of the internal structure of the built-in valve installed at the gas outlet of the gas meter according to the present invention;
fig. 3 is a schematic view of the internal structure of the internal valve installed at the gas outlet of the gas meter when the valve is opened;
wherein corresponding reference numerals are:
1-valve body seat, 2-sealing gasket, 3-valve rod, 4-sealing framework, 5-connecting plate, 6-isolating gasket, 7-valve core, 8-O-shaped ring, 9-knife edge, 10-air inlet and 11-air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and the connection may be internal to the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 2 and 3, the built-in valve attached to the gas outlet of the gas meter includes:
a valve body; the valve body is provided with a gas inlet 10, a gas outlet 11, a mounting hole and a knife edge 9, the gas inlet 10 of the valve body is communicated with the gas outlet of the gas meter, and the knife edge 9 is positioned between the gas inlet 10 and the gas outlet 11 on the valve body;
a valve stem 3; a sealing gasket 2 is arranged at the first end of the valve rod 3, and the second end of the valve rod 3 penetrates through the mounting hole and is positioned on the outer side of the valve body;
a valve core 7; the valve core 7 is used for controlling the valve rod 3 to be close to or far away from the knife edge 9, the moving action end of the valve core 7 acts on the second end of the valve rod 3, the sealing gasket 2 is separated from the knife edge 9 when the valve is opened, the air inlet 10 and the air outlet 11 on the valve body are communicated, the sealing gasket 2 is in extrusion contact with the knife edge 9 when the valve is closed, and the air inlet 10 and the air outlet 11 on the valve body are blocked;
a seal spacer for isolating gas between the valve body and the valve cartridge 7; the sealing spacer is disposed at the mounting hole.
The sealing isolation piece comprises an isolation pad 6, the isolation pad 6 is fixedly installed in a mounting hole of the valve body, the inner side of the isolation pad 6 is always in extrusion contact with the side wall of the valve rod 3, and the isolation pad 6 prevents gas in the valve body from entering the valve core 7 from the mounting hole.
When the valve is opened, the distance between the sealing gasket 2 and the knife edge 9 is 6-8 mm.
When the valve is opened, the distance between the sealing gasket 2 and the knife edge 9 is 7mm, and the pressure loss from the air inlet 10 to the air outlet 11 can meet the requirements of customers.
Built-in valve is still including the sealed skeleton 4 that is used for supporting sealed 2, and 4 fixed mounting of sealed skeleton are at the first end of valve rod 3, and sealed skeleton 4 is embedded in sealed 2, supports sealed 2 through sealed skeleton 4, avoids sealed 2 of filling up under the switching valve in-process under the pressure effect, produces too big deformation and causes built-in valve's inefficacy.
The valve body includes connecting plate 5 and valve body seat 1, and the mounting hole setting is provided with the mount table on connecting plate 5 on the valve body seat 1, and the lower extreme lateral wall of connecting plate 5 is provided with the mounting ring groove, is provided with O shape circle 8 in the mounting ring groove, and connecting plate 5 fixed mounting is on the mount table, and the outside and the mount table inside wall extrusion contact of O shape circle 8.
The sealing isolation piece further comprises an isolation disc, the outer side of the isolation disc is fixed in the mounting hole, a mounting groove is formed in the side wall of the valve rod 3, the inner side of the isolation disc is embedded and fixed in the mounting groove, and the isolation disc is made of rubber.
The utility model relates to an install in the theory of operation of gas table gas outlet 11's built-in valve as follows:
the valve body seat 1 is provided with a knife edge 9, and when the valve core 7 drives the valve rod 3 to drive the sealing framework 4 to move towards the direction close to the knife edge 9, so that the sealing gasket 2 tightly presses the knife edge 9, the valve is closed, as shown in fig. 2; when the valve core 7 drives the valve rod 3 to drive the sealing framework 4 to move towards the direction far away from the knife edge 9, the sealing gasket 2 is separated from the knife edge 9, and the valve is opened, as shown in fig. 3; when the valve is in a valve opening state, the distance between the knife edge 9 and the sealing gasket 2 is 7mm, and the pressure loss from the air inlet 10 to the air outlet 11 can meet the requirement of a customer by the opening degree; the valve body of the built-in valve does not need to introduce the valve cover, so that the part cost of the valve cover is saved, and the air leakage defect at the sealing position of the valve body and the valve cover is avoided.
The technical scheme of the utility model is not restricted to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims (7)

1. The utility model provides an install built-in valve in gas table gas outlet which characterized in that includes:
a valve body; the valve body is provided with a gas inlet, a gas outlet, a mounting hole and a knife edge, the gas inlet of the valve body is communicated with the gas outlet of the gas meter, and the knife edge is positioned between the gas inlet and the gas outlet on the valve body;
a valve stem; a sealing gasket is arranged at the first end of the valve rod, and the second end of the valve rod penetrates through the mounting hole and is positioned on the outer side of the valve body;
a valve core; the valve core is used for controlling the valve rod to be close to or far away from the knife edge, the moving action end of the valve core acts on the second end of the valve rod, the sealing gasket is separated from the knife edge when the valve is opened, the air inlet and the air outlet on the valve body are communicated, the sealing gasket is in extrusion contact with the knife edge when the valve is closed, and the air inlet and the air outlet on the valve body are blocked;
a seal and isolation member for isolating gas between the valve body and the valve core; the sealing spacer is disposed at the mounting hole.
2. The built-in valve installed at the gas outlet of the gas meter as claimed in claim 1, wherein the sealing and isolating member comprises an isolating pad, the isolating pad is fixedly installed at the installation hole of the valve body, and the inner side of the isolating pad is always in pressing contact with the side wall of the valve rod.
3. The built-in valve installed at the gas outlet of the gas meter as claimed in claim 1, wherein the distance between the sealing gasket and the knife edge is 6-8mm when the valve is opened.
4. The built-in valve installed at the gas outlet of the gas meter as claimed in claim 1, wherein the distance between the sealing gasket and the knife edge is 7mm when the valve is opened.
5. The built-in valve installed at the gas outlet of the gas meter according to claim 1, wherein the built-in valve further comprises a sealing framework for supporting a sealing gasket, the sealing framework is fixedly installed at the first end of the valve rod, and the sealing framework is embedded in the sealing gasket.
6. The internal valve of claim 1, wherein the valve body comprises a connecting plate and a valve body seat, the mounting hole is formed in the connecting plate, the valve body seat is provided with a mounting platform, the outer side wall of the lower end of the connecting plate is provided with a mounting ring groove, an O-shaped ring is arranged in the mounting ring groove, the connecting plate is fixedly mounted on the mounting platform, and the outer side of the O-shaped ring is in compression contact with the inner side wall of the mounting platform.
7. The built-in valve installed at the gas outlet of the gas meter as claimed in claim 2, wherein the sealing and isolating member further comprises an isolating disc, the outer side of the isolating disc is fixed in the installation hole, an installation groove is formed in the side wall of the valve rod, the inner side of the isolating disc is embedded and fixed in the installation groove, the isolating pad is located between the valve core and the isolating disc, and the isolating disc is made of rubber.
CN202121513218.9U 2021-07-05 2021-07-05 Built-in valve installed at gas outlet of gas meter Active CN217207739U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121513218.9U CN217207739U (en) 2021-07-05 2021-07-05 Built-in valve installed at gas outlet of gas meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121513218.9U CN217207739U (en) 2021-07-05 2021-07-05 Built-in valve installed at gas outlet of gas meter

Publications (1)

Publication Number Publication Date
CN217207739U true CN217207739U (en) 2022-08-16

Family

ID=82750962

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121513218.9U Active CN217207739U (en) 2021-07-05 2021-07-05 Built-in valve installed at gas outlet of gas meter

Country Status (1)

Country Link
CN (1) CN217207739U (en)

Similar Documents

Publication Publication Date Title
CN109452852B (en) Cooking utensil
CN217207739U (en) Built-in valve installed at gas outlet of gas meter
CN210566581U (en) Valve with pre-tightening spring and travel switch
CN201566946U (en) Vacuum compressed bag
CN216660995U (en) Vacuum storage tank
CN217056476U (en) Safety valve for pressure container
CN101718343A (en) Non-leakage reversible automatic exhaust valve
CN211911300U (en) Pressure limiting valve and micro-pressure cooker
CN210770470U (en) Oil gas recovery valve with breathing function
KR200306021Y1 (en) Automatic opening and closing air valve
CN220778086U (en) Pressure release valve structure and vacuum micro-pressure cooker thereof
CN2451760Y (en) Load-reducing noise silencing valve for air compressor
CN102040025A (en) Built-in fixed compression spring gas returner with reversed seal
CN220344217U (en) Pot cover with negative pressure protection
CN210902590U (en) Novel low-pressure cooker structure
CN221893653U (en) Vacuum sealing cover and vacuum storage container
CN212213552U (en) Food preparation machine with good use effect
CN214946578U (en) Valve body with exhaust duct and solenoid valve
CN216895830U (en) High-performance G-type butterfly valve metal valve seat
CN218992497U (en) Multiple sealing structure of control valve shell
CN213752945U (en) Safety valve for automobile storage battery
CN218883146U (en) Pneumatic drive control valve
CN215522120U (en) Low-temperature combined pressure regulating valve
CN202236344U (en) Atmospheric circulating Chinese herb decocting machine
CN216382682U (en) Sealing gasket structure for valve core and valve core

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230619

Address after: 618000 room 19-12, building 21, phase I, Yinxin Wuzhou Plaza, No. 733, Section 2, Taishan South Road, Deyang City, Sichuan Province

Patentee after: Sichuan Zhongke Zhicheng Technology Co.,Ltd.

Address before: No.7, Keyuan South 1st Road, high tech Zone, Chengdu, Sichuan 610093

Patentee before: CHENGDU ZHICHENG TECHNOLOGY CO.,LTD.