CN209800817U - Valve seat structure of gas proportional combination valve - Google Patents
Valve seat structure of gas proportional combination valve Download PDFInfo
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- CN209800817U CN209800817U CN201920350405.6U CN201920350405U CN209800817U CN 209800817 U CN209800817 U CN 209800817U CN 201920350405 U CN201920350405 U CN 201920350405U CN 209800817 U CN209800817 U CN 209800817U
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Abstract
The utility model relates to a gas equipment field especially relates to a disk seat structure of gas proportional combination valve, including the disk seat body that is equipped with intake duct and gas outlet duct, its characterized in that: the top surface of the first valve seat body is provided with a first cavity and a second cavity, the first cavity is communicated with the air inlet channel, the bottom surface of the first cavity is provided with a first air inlet, the bottom surface of the second cavity is provided with a second air outlet and a second air inlet, and the air outlet is communicated with the air outlet channel; a third cavity is formed in the bottom surface of the valve seat body, a first flow channel, a third air inlet communicated with the first air inlet and a fourth cavity communicated with the first cavity are formed in the bottom surface of the third cavity, and two ends of the first flow channel are respectively communicated with the third air inlet and the second air inlet; the utility model discloses the advantage lies in through offering the runner on the disk seat body, guides the trend of gas, provides the technical basis for opening and close of first air inlet and second air inlet is controlled to the single-cut-off valve, has optimized the structure of product, has improved production efficiency.
Description
Technical Field
The utility model relates to a gas equipment field especially relates to a disk seat structure of gas proportional combination valve.
background
The gas valve is a safety matching device for controlling technical parameters such as gas pressure, flow and the like in gas pipeline engineering, is used for cutting off, connecting and adjusting gas in pipelines, has good control characteristics 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. The gas valve among the prior art is equipped with the single solenoid valve that cuts off more than even at least to prevent that gas from leaking, adopt the mode of two cuts off can effectively prevent gas leakage accident and take place, nevertheless there is the defect yet: the double-cutting-off type gas valve has the advantages that the valve seat structure is complex, holes are formed in the valve seat structure, grooves are formed in the valve seat structure, the manufacturing cost is increased, the production efficiency is reduced, and the structural strength of the valve seat is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a production is convenient, the lower disk seat structure of gas proportional combination valve of cost.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
The utility model provides a disk seat structure of gas proportional combination valve, is including the disk seat body that is equipped with intake duct and gas outlet duct, its characterized in that: the top surface of the first valve seat body is provided with a first cavity and a second cavity, the first cavity is communicated with the air inlet channel, the bottom surface of the first cavity is provided with a first air inlet, the bottom surface of the second cavity is provided with a second air outlet and a second air inlet, and the air outlet is communicated with the air outlet channel; the bottom surface of the valve seat body is provided with a third cavity, the bottom surface of the third cavity is provided with a first flow channel, a third air inlet communicated with the first air inlet and a fourth cavity communicated with the first cavity, and two ends of the first flow channel are respectively communicated with the third air inlet and the second air inlet.
Furthermore, the aperture of the air inlet III is between 0.5 and 10 mm.
Further, the cross-sectional width of the first flow channel is 1.0-10 mm.
Furthermore, a measuring port is formed in the side wall of the valve seat body.
Furthermore, a bottom plate is fixed at the bottom of the valve seat body, a groove and a second flow passage communicated with the groove are formed in the bottom plate, and the second flow passage is opposite to the second air inlet.
The utility model has the advantages that: through set up the runner on the disk seat body, guide the trend of gas, provide the technical basis for single-section cut-off valve controls opening and close of first air inlet and second air inlet, optimized the structure of product, reduced the part of combination valve for the valve body structure is simpler, and is high-efficient, and the cost is reduced has improved production efficiency.
Drawings
FIG. 1 is an exploded pictorial illustration of a valve seat body in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a gas flow path in a flow path I;
FIG. 3 is a schematic top view of the valve seat body;
FIG. 4 is a schematic cross-sectional view of the valve seat body after connection with a shut-off valve, a proportional valve, and a main valve;
Description of the reference symbols
the valve seat comprises a valve seat body 1, an air inlet channel 2, an air outlet channel 3, a first cavity 4, a second cavity 5, an air inlet I6, an air inlet II 7, an air outlet 8, a third cavity 9, a flow channel I10, a flow channel II 11, an air inlet III 12, a fourth cavity 13, a measuring port 14, a bottom plate 15 and a groove 16.
Detailed Description
The present invention will be described in further detail with reference to examples.
The embodiment provides a valve seat structure of a gas proportional combination valve, as shown in fig. 1 to 4, the valve seat structure comprises a valve seat body 1 provided with an air inlet channel 2 and an air outlet channel 3, the top surface of the valve seat body 1 is provided with a first cavity 4 and a second cavity 5, the first cavity 4 is used for installing a cut-off valve, the second cavity 5 is used for installing a proportional valve, the first cavity 4 is communicated with the air inlet channel 2, the bottom surface of the first cavity 4 is provided with an air inlet first 6, the bottom surface of the second cavity 5 is provided with an air outlet 8 and an air inlet second 7, the air outlet 8 is communicated with the air outlet channel 3, and the air inlet second 7 is used for inputting gas to the proportional; the bottom surface of the valve seat body 1 is provided with a third cavity 9, the third cavity 9 is used for installing a main valve, a gas return cavity is arranged in the main valve, the bottom surface of the third cavity 9 is provided with a first flow channel 10, a third gas inlet 12 communicated with the first gas inlet 6 and a fourth cavity 13 communicated with the first cavity 4, the fourth cavity 13 is used for receiving gas coming out of the gas return cavity of the main valve, and two ends of the first flow channel are respectively communicated with the third gas inlet 12 and the second gas inlet 7. The bottom of the valve seat body 1 is fixed with a bottom plate 15, a groove 16 and a second flow channel 11 communicated with the groove 16 are formed in the bottom plate 15, the second flow channel 11 is opposite to the second air inlet 7, a gap is formed between the bottom plate 15 and the main valve due to the arrangement of the groove 16, the second flow channel 11 is used for guiding fuel gas entering the main valve to the groove 16, a diaphragm is arranged on the main valve, and after the diaphragm is jacked open by the fuel gas in the groove 16, the input port of the air return cavity is opened, and the fuel gas can enter the air return cavity.
The runner is arranged on the valve seat body 1, the trend of fuel gas is guided, and a technical basis is provided for controlling the opening and closing of the first air inlet and the second air inlet through the single-cut-off valve. After the valve seat body 1 is connected with the stop valve, the proportional valve and the main valve, the trend of gas is as follows: the gas enters the valve seat body 1 from the gas inlet channel 2, the single cut-off valve is powered on and then is sucked upwards, so that the gas inlet I6 and the gas inlet III 12 are opened, the gas enters the flow channel I10 after passing through the gas inlet I6 and the gas inlet III 12 in sequence, the gas enters the gas inlet II 7 and the main valve under the guidance of the flow channel I10, the gas entering the gas inlet II 7 is output to the gas outlet channel 3 through the proportional valve, the gas entering the main valve is output to the fourth cavity 13, and finally the gas returns to the first cavity 4.
For the disk seat of the double-cutting type among the prior art, the disk seat body 1 of this embodiment has optimized the structure of product, has reduced the part of combination valve for the valve body structure is simpler, and is high-efficient, and the cost is reduced has improved production efficiency.
Furthermore, in order to optimize the structure, the cross-sectional width of the first flow passage 10 is between 1.0 mm and 10mm, preferably between 1.5 mm and 2.5mm, the aperture of the third air inlet 12 is between 0.5 mm and 10mm, preferably between 2.5mm and 4.5mm, and meanwhile, the side wall of the valve seat body 1 is provided with a measuring port 14.
Claims (5)
1. the utility model provides a disk seat structure of gas proportional combination valve, is including the disk seat body that is equipped with intake duct and gas outlet duct, its characterized in that: the top surface of the first valve seat body is provided with a first cavity and a second cavity, the first cavity is communicated with the air inlet channel, the bottom surface of the first cavity is provided with a first air inlet, the bottom surface of the second cavity is provided with a second air outlet and a second air inlet, and the air outlet is communicated with the air outlet channel; the bottom surface of the valve seat body is provided with a third cavity, the bottom surface of the third cavity is provided with a first flow channel, a third air inlet communicated with the first air inlet and a fourth cavity communicated with the first cavity, and two ends of the first flow channel are respectively communicated with the third air inlet and the second air inlet.
2. The valve seat structure of the gas proportional combination valve as claimed in claim 1, wherein: the aperture of the air inlet III is between 0.5 and 10 mm.
3. The valve seat structure of the gas proportional combination valve as claimed in claim 1, wherein: the cross section width of the first flow channel is 1.0-10 mm.
4. The valve seat structure of the gas proportional combination valve as claimed in claim 1, wherein: and a measuring port is formed in the side wall of the valve seat body.
5. the valve seat structure of the gas proportional combination valve as claimed in claim 1, wherein: the bottom of the valve seat body is fixed with a bottom plate, a groove and a second flow passage communicated with the groove are formed in the bottom plate, and the second flow passage is opposite to the second air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920350405.6U CN209800817U (en) | 2019-03-19 | 2019-03-19 | Valve seat structure of gas proportional combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920350405.6U CN209800817U (en) | 2019-03-19 | 2019-03-19 | Valve seat structure of gas proportional combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800817U true CN209800817U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920350405.6U Active CN209800817U (en) | 2019-03-19 | 2019-03-19 | Valve seat structure of gas proportional combination valve |
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| CN (1) | CN209800817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255926A (en) * | 2020-01-19 | 2020-06-09 | 绍兴艾柯电气有限公司 | Gas proportional valve |
-
2019
- 2019-03-19 CN CN201920350405.6U patent/CN209800817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255926A (en) * | 2020-01-19 | 2020-06-09 | 绍兴艾柯电气有限公司 | Gas proportional valve |
| CN111255926B (en) * | 2020-01-19 | 2021-04-09 | 绍兴艾柯电气有限公司 | Gas proportional valve |
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