CN209743605U - Gas combination valve - Google Patents
Gas combination valve Download PDFInfo
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- CN209743605U CN209743605U CN201920430407.6U CN201920430407U CN209743605U CN 209743605 U CN209743605 U CN 209743605U CN 201920430407 U CN201920430407 U CN 201920430407U CN 209743605 U CN209743605 U CN 209743605U
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Abstract
The utility model discloses a gas combination valve, one end of a main body is provided with an inlet end flange, the other end of the main body is provided with an outlet method connection, a filter screen is arranged inside the inlet end flange, the inside of the main body is of a cavity structure, a first clapboard and a second clapboard are arranged inside the main body, a first inlet pressure connector is arranged at the top end of the inlet end flange, an outlet pressure connector is arranged at the top end of the outlet end flange, a pressure switch adapter plate is arranged on the surface of the main body, the utility model discloses a simple structure, because inside dual baffle and the double valve mechanism of being provided with of main part, the gas tightness is better, and pressure switch and valve leak hunting device can be installed to the connector of a plurality of reservations, and the security is higher to be improved greatly, and the inside stainless steel filter screen that is provided with of import end flange can be used to protect gas combination valve, disk seat and valve disc and low reaches equipment to avoid the dirt to block up.
Description
Technical Field
The utility model relates to a gas valve technical field specifically is a gas combination valve.
Background
The gas valve is a novel safety matching device for gas pipeline engineering, is used for cutting off, connecting and adjusting gas in pipelines, has good control characteristic and closing sealing performance, and is suitable for various gas medium pipelines such as city gas, liquefied petroleum, gas natural gas, oxygen and the like.
At present, many gas valves have poor air tightness and great potential safety hazards, once impurities enter and pass through the gas valves, downstream equipment is easily blocked by dirt, and therefore an improved technology is urgently needed to solve the problem in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas combination valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a fuel gas combination valve comprises a main body, an inlet end flange, an outlet end flange, a filter screen, a first valve seat, a second valve seat, a pilot gas cover, a first partition plate, a second partition plate, a first valve mechanism, a second valve mechanism, a double spring, a first inlet pressure connector, an outlet pressure connector, a pressure switch adapter plate and an ignition gas cover, wherein the inlet end flange is arranged at one end of the main body, the outlet end of the main body is connected with the outlet end flange, the filter screen is arranged inside the inlet end flange, the first valve seat and the second valve seat are arranged on the lower surface of the main body, the first valve seat and the second valve seat are identical in structure and specification, the pilot gas cover is arranged at the upper end of the main body, a cavity structure is arranged inside the main body, the first partition plate and the second partition plate are arranged inside the main body, the first valve seat and the first partition plate correspond to each other, and the second valve seat corresponds, first valve mechanism one end activity sets up inside the gaseous lid one end of guide, the first valve mechanism other end passes first baffle and sets up in first disk seat, second valve mechanism one end activity sets up inside the gaseous lid other end of guide, the second valve mechanism other end passes the second baffle and sets up in the second disk seat, first valve mechanism is the same with second valve mechanism structure and specification, first disk seat and the inside double spring that all is provided with of second disk seat, entrance point flange top is provided with first import pressure connector, exit end flange top is provided with the export pressure connector, the main part surface is provided with the pressure switch adapter plate, the main part is kept away from to set up pressure switch adapter plate one end and is provided with the ignition gas lid.
Preferably, the pilot gas cap includes a first pressure pipe connecting seat, a second pressure pipe connecting seat, a cap body, a first upper end guide rod sleeve and a second upper end guide rod sleeve, the first pressure pipe connecting seat is disposed at one end of the cap body, the second pressure pipe connecting seat is disposed at the other end of the cap body, the first upper end guide rod sleeve is fixedly disposed in the first pressure pipe connecting seat, and the second upper end guide rod sleeve is fixedly disposed in the second pressure pipe connecting seat.
Preferably, a first lower end guide rod sleeve is arranged in the middle of the upper surface of the first valve seat, and a second lower end guide rod sleeve is arranged in the middle of the upper surface of the second valve seat.
Preferably, the first valve mechanism comprises an ejector rod, a first piston, a second piston and a spring fixing plate, the first piston and the second piston are respectively installed at the middle part of the ejector rod, the spring fixing plate is fixedly installed on the lower surface of the second piston, the first piston and the second piston are movably connected with a first partition plate, the top end of the ejector rod is movably arranged in a first upper end guide rod sleeve, and the bottom end of the ejector rod is movably arranged in a first lower end guide rod sleeve.
Preferably, the pressure switch adapter plate is provided with a second inlet pressure connector and an intermediate pressure connector, and the second inlet pressure connector and the intermediate pressure connector are both communicated with the inner cavity of the main body.
Preferably, the filter screen is made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) Because the inside double baffle and the double valve mechanism of being provided with of main part, the gas tightness is better.
(2) A plurality of connectors of reserving can install pressure switch and valve leak hunting device, and the security is higher to be improved greatly.
(3) The stainless steel filter screen is arranged in the inlet end flange and can be used for protecting the gas combination valve, the valve seat, the valve disc and downstream equipment from being blocked by dirt.
(4) Because each gas combination valve seat is provided with a double spring, the elastic force can be dispersed into the closing force of a single valve seat.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic view of the front view structure of the present invention.
Fig. 3 is a schematic view of the rear view structure of the present invention.
Fig. 4 is a schematic structural diagram of the pilot gas cap.
Fig. 5 is a schematic structural diagram of the first valve mechanism.
Fig. 6 is a schematic diagram of a pressure switch adapter plate structure.
Fig. 7 is the utility model discloses installation valve leak hunting device and pressure switch sketch map.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a gas combination valve comprises a main body 1, an inlet end flange 2, an outlet end flange 3, a filter screen 4, a first valve seat 5, a second valve seat 6, a pilot gas cover 7, a first clapboard 8, a second clapboard 9, a first valve mechanism 10, a second valve mechanism 11, a double spring 12, a first inlet pressure connector 13, an outlet pressure connector 14, a pressure switch adapter plate 15 and an ignition gas cover 16, wherein one end of the main body 1 is provided with the inlet end flange 2, the other end of the main body 1 is provided with an outlet method connector, the filter screen 4 is arranged in the inlet end flange 2, the filter screen 4 is made of stainless steel materials, the lower surface of the main body 1 is provided with the first valve seat 5 and the second valve seat 6, the first valve seat 5 and the second valve seat 6 have the same structure and specification, the middle position of the upper surface of the first valve seat 5 is provided with a first lower end guide rod sleeve 51, the middle position of the upper surface of the second valve seat 6, the upper end of the main body 1 is provided with a pilot gas cover 7, the inside of the main body 1 is of a cavity structure, the inside of the main body 1 is provided with a first clapboard 8 and a second clapboard 9, a first valve seat 5 and the first clapboard 8 correspond to each other, a second valve seat 6 and the second clapboard 9 correspond to each other, one end of a first valve mechanism 10 is movably arranged in one end of the pilot gas cover 7, the other end of the first valve mechanism 10 passes through the first clapboard 8 and is arranged in the first valve seat 5, one end of a second valve mechanism 11 is movably arranged in the other end of the pilot gas cover 7, the other end of the second valve mechanism 11 passes through the second clapboard 9 and is arranged in the second valve seat 6, the first valve mechanism 10 and the second valve mechanism 11 have the same structure and specification, the insides of the first valve seat 5 and the second valve seat 6 are both provided with double springs 12, the top end of the inlet end flange 2 is provided with a first inlet, the surface of the main body 1 is provided with a pressure switch adapter plate 15, and one end of the main body 1, which is far away from the pressure switch adapter plate 15, is provided with an ignition gas cover 16.
As shown in fig. 4, the pilot gas cap 7 includes a first pressure pipe connecting seat 71, a second pressure pipe connecting seat 72, a cap body 73, a first upper end guide rod sleeve 74 and a second upper end guide rod sleeve 75, wherein one end of the cap body 73 is provided with the first pressure pipe connecting seat 71, the other end of the cap body 73 is provided with the second pressure pipe connecting seat 72, the first upper end guide rod sleeve 74 is fixedly disposed in the first pressure pipe connecting seat 71, and the second upper end guide rod sleeve 75 is fixedly disposed in the second pressure pipe connecting seat 72.
As shown in fig. 5, the first valve mechanism 10 includes a top rod 101, a first piston 102, a second piston 103 and a spring fixing plate 104, the first piston 102 and the second piston 103 are respectively installed at the middle part of the top rod 101, the spring fixing plate 104 is fixedly installed on the lower surface of the second piston 103, the first piston 102 and the second piston 103 are both movably connected to the first partition plate 8, the top end of the top rod 101 is movably disposed in the first upper end guide rod sleeve 74, and the bottom end of the top rod 101 is movably disposed in the first lower end guide rod sleeve 51.
As shown in fig. 6, the pressure switch adapter plate 15 is provided with a second inlet pressure connection port 151 and an intermediate pressure connection port 152, and both the second inlet pressure connection port 151 and the intermediate pressure connection port 152 are communicated with the inner cavity of the main body 1.
The use principle is as follows: because the double partition plates and the double valve mechanisms are arranged in the main body 1, the air tightness is better; a plurality of connectors of reserving can install pressure switch and valve leak hunting device, as shown in fig. 7, the security is higher to be improved greatly, and entrance point flange 2 is inside to be provided with stainless steel filter screen 4, can be used to protect gas combination valve, disk seat and valve disc and low reaches equipment to avoid the dirt to block up, because every gas combination disk seat all is furnished with a dual spring 12, elasticity can disperse the closing force for single disk seat.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A gas combination valve is characterized in that: comprises a main body (1), an inlet flange (2), an outlet flange (3), a filter screen (4), a first valve seat (5), a second valve seat (6), a pilot gas cover (7), a first clapboard (8), a second clapboard (9), a first valve mechanism (10), a second valve mechanism (11), a double spring (12), a first inlet pressure connector (13), an outlet pressure connector (14), a pressure switch adapter plate (15) and an ignition gas cover (16), wherein one end of the main body (1) is provided with the inlet flange (2), the other end of the main body (1) is provided with an outlet method connector, the filter screen (4) is arranged inside the inlet flange (2), the lower surface of the main body (1) is provided with the first valve seat (5) and the second valve seat (6), and the first valve seat (5) and the second valve seat (6) have the same structure and specification, the gas valve is characterized in that a pilot gas cover (7) is arranged at the upper end of the main body (1), a cavity structure is arranged in the main body (1), a first partition plate (8) and a second partition plate (9) are arranged in the main body (1), the first valve seat (5) corresponds to the first partition plate (8), the second valve seat (6) corresponds to the second partition plate (9), one end of a first valve mechanism (10) is movably arranged in one end of the pilot gas cover (7), the other end of the first valve mechanism (10) penetrates through the first partition plate (8) and is arranged in the first valve seat (5), one end of a second valve mechanism (11) is movably arranged in the other end of the pilot gas cover (7), the other end of the second valve mechanism (11) penetrates through the second partition plate (9) and is arranged in the second valve seat (6), and the first valve mechanism (10) and the second valve mechanism (11) have the same structure and specification, first disk seat (5) and second disk seat (6) are inside all to be provided with double spring (12), import end flange (2) top is provided with first import pressure connector (13), export end flange (3) top is provided with export pressure connector (14), main part (1) surface is provided with pressure switch adapter plate (15), main part (1) is kept away from and is set up pressure switch adapter plate (15) one end and is provided with ignition gas lid (16).
2. A gas combination valve according to claim 1, characterised in that: the pilot gas cover (7) comprises a first pressure pipeline connecting seat (71), a second pressure pipeline connecting seat (72), a cover body (73), a first upper end guide rod sleeve (74) and a second upper end guide rod sleeve (75), wherein the first pressure pipeline connecting seat (71) is arranged at one end of the cover body (73), the second pressure pipeline connecting seat (72) is arranged at the other end of the cover body (73), the first upper end guide rod sleeve (74) is fixedly arranged in the first pressure pipeline connecting seat (71), and the second upper end guide rod sleeve (75) is fixedly arranged in the second pressure pipeline connecting seat (72).
3. A gas combination valve according to claim 1, characterised in that: a first lower end guide rod sleeve (51) is arranged in the middle of the upper surface of the first valve seat (5), and a second lower end guide rod sleeve (61) is arranged in the middle of the upper surface of the second valve seat (6).
4. a gas combination valve according to claim 1, characterised in that: first valve mechanism (10) include ejector pin (101), first piston (102), second piston (103) and spring fixed plate (104), first piston (102) and second piston (103) are installed respectively to ejector pin (101) middle part, second piston (103) lower fixed surface installs spring fixed plate (104), first piston (102) and second piston (103) all link to each other with first baffle (8) activity, ejector pin (101) top activity sets up in first upper end guide rod cover (74), ejector pin (101) bottom activity sets up in first lower end guide rod cover (51).
5. A gas combination valve according to claim 1, characterised in that: the pressure switch adapter plate (15) is provided with a second inlet pressure connecting port (151) and an intermediate pressure connecting port (152), and the second inlet pressure connecting port (151) and the intermediate pressure connecting port (152) are communicated with the inner cavity of the main body (1).
6. A gas combination valve according to claim 1, characterised in that: the filter screen (4) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430407.6U CN209743605U (en) | 2019-04-01 | 2019-04-01 | Gas combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430407.6U CN209743605U (en) | 2019-04-01 | 2019-04-01 | Gas combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743605U true CN209743605U (en) | 2019-12-06 |
Family
ID=68719360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920430407.6U Active CN209743605U (en) | 2019-04-01 | 2019-04-01 | Gas combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899531A (en) * | 2019-04-01 | 2019-06-18 | 江苏道明化学有限公司 | A kind of gas combined valve |
-
2019
- 2019-04-01 CN CN201920430407.6U patent/CN209743605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899531A (en) * | 2019-04-01 | 2019-06-18 | 江苏道明化学有限公司 | A kind of gas combined valve |
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