CN203926883U - Gas control valve - Google Patents
Gas control valve Download PDFInfo
- Publication number
- CN203926883U CN203926883U CN201420326352.1U CN201420326352U CN203926883U CN 203926883 U CN203926883 U CN 203926883U CN 201420326352 U CN201420326352 U CN 201420326352U CN 203926883 U CN203926883 U CN 203926883U
- Authority
- CN
- China
- Prior art keywords
- spool
- conduit
- rotating shaft
- axis
- limiting unit
- 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 - Lifetime
Links
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000002737 fuel gas Substances 0.000 claims abstract description 9
- 239000000567 combustion gas Substances 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model belongs to gas pipeline system control unit, be specifically related to a kind of gas control valve, comprise the conduit passing through for combustion gas, in described conduit, be provided with the spool by unlatching, closure catheter, the tube wall of described conduit is provided with for the valve casing of spool is installed, and valve casing is provided with for driving the driver element of spool unlatching, closure; Also comprise the temperature transducer for detection of fuel gas buring regional temperature, described temperature transducer is connected with automatic control module, and the signal output part of described automatic control module is connected with driver element; Position-limiting unit for stopping that spool is completely closed on valve casing.The heating starting stage, gas control valve is air feed at full speed, when temperature transducer detects fuel gas buring region and reaches predetermined temperature, automatic control module is controlled spool and is closed, now the lower valve core that stops at position-limiting unit can also retain certain through-flow region, and then play the effect of slow air feed, be the temperature stabilization of combustion zone within the specific limits.
Description
Technical field
The utility model belongs to gas pipeline system control unit, is specifically related to a kind of gas control valve.
Background technique
Combustion gas is a kind of clean energy resource of efficient, environmental protection, in industrial production and family life, be widely used at present, yet in some gas heating system, need to carry out strict control to the temperature of heating, for example, in tea-processing equipment, while just starting to heat, for heating equipment is rapidly heated, generally all can heat by rapid air feeding, when temperature reaches heating temperature required, be to reduce air demand, heating equipment is stabilized in predetermined temperature range.Yet existing gas control valve can only have the control functions such as switch substantially, need to heat is that control valve is opened, when temperature reaches predetermined value, control valve is closed, repetitive control opens or closes, the large and efficiency of when operation combustion gas waste is not done like this, temperature dipping and heaving is larger, is difficult to guarantee the quality of product.
Model utility content
The purpose of this utility model is to provide a kind of gas control valve that can automatically control fuel gas buring regional temperature.
For achieving the above object, the utility model provides following technological scheme: a kind of gas control valve, comprise the conduit passing through for combustion gas, in described conduit, be provided with the spool by unlatching, closure catheter, the tube wall of described conduit is provided with for the valve casing of spool is installed, and valve casing is provided with for driving the driver element of spool unlatching, closure; Also comprise the temperature transducer for detection of fuel gas buring regional temperature, described temperature transducer is connected with automatic control module, and the signal output part of described automatic control module is connected with driver element; Position-limiting unit for stopping that spool is completely closed on valve casing.
Technique effect of the present utility model is: the heating starting stage, gas control valve is air feed at full speed, when temperature transducer detects fuel gas buring region and reaches predetermined temperature, automatic control module is controlled spool and is closed, now the lower valve core that stops at position-limiting unit can also retain certain through-flow region, and then play the effect of slow air feed, make the temperature stabilization of combustion zone within the specific limits.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model;
Fig. 2 is plan view of the present utility model.
Embodiment
As shown in Figure 1, a kind of gas control valve, comprise the conduit 10 passing through for combustion gas, in described conduit 10, be provided with the spool 20 by unlatching, closure catheter, the tube wall of described conduit 10 is provided with for the valve casing 30 of spool 20 is installed, and valve casing 30 is provided with for driving the driver element 31 of spool 20 unlatchings, closure; Described gas control valve also comprises the temperature transducer for detection of fuel gas buring regional temperature, and described temperature transducer is connected with automatic control module, and the signal output part of described automatic control module is connected with driver element 31; Position-limiting unit 32 for stopping that spool 20 is completely closed on valve casing 30.The heating starting stage, gas control valve is air feed at full speed, when temperature transducer detects fuel gas buring region and reaches predetermined temperature, automatic control module is controlled spool 20 and is closed, now the lower valve core 20 that stops at position-limiting unit 32 can also retain certain flow area, and then play the effect of slow air feed, make the temperature of combustion zone keep within the specific limits constant.
As shown in Figure 1, as an embodiment of the present utility model, described spool 20 is cock-type spool, described spool 20 is provided with through hole 21, described spool extends radially outwardly and is provided with one section of rotating shaft 22 along conduit 10, described rotating shaft 22 runs through conduit 10 tube walls, and to extend to the axis of conduit 10 outsides and rotating shaft 22 vertical with the axis of through hole 21, described driver element 31 is drive motor, the main shaft 311 of described driver element 31 forms transmission with rotating shaft 22 and coordinates, the axis body that described rotating shaft 22 is positioned at conduit 10 outsides is provided with block 23, described block 23 is along the setting that overhangs of the radially outward of rotating shaft 22, described position-limiting unit 32 forms gear with block 23 and coordinates.
On described valve casing 30, be also provided with for limiting the position limit pin 33 of spool 20 maximum opening angles, the axis of described position limit pin 33 is parallel to the axis setting of rotating shaft 22, the axis of the through hole 21 when described block 23 is resisted against on position limit pin 33 on spool 20 and the axis conllinear of conduit 10.
As shown in Figure 2, as another embodiment of the present utility model, described spool 20 is cock-type spool, described spool 20 integral body are and on spherical shape and sphere, cut out the straight wall that one or two is parallel to each other, described spool 20 extends radially outwardly and is provided with one section of rotating shaft 22 along conduit 10, it is parallel with the wall of straight wall that described rotating shaft 22 runs through the axis that conduit 10 tube walls extend to conduit 10 outsides and rotating shaft 22, described driver element 31 is drive motor, the main shaft 311 of described driver element 31 forms transmission with rotating shaft 22 and coordinates, the axis body that described rotating shaft 22 is positioned at conduit 10 outsides is provided with block 23, described block 23 is along the setting that overhangs of the radially outward of rotating shaft 22, described position-limiting unit 32 forms gear with block 23 and coordinates.
On described valve casing 30, be also provided with for limiting the position limit pin 33 of spool 20 maximum opening angles, the axis of described position limit pin 33 is parallel to the axis setting of rotating shaft 22, and the wall of straight wall when described block 23 is resisted against on position limit pin 33 on spool 20 is parallel with the axis of conduit 10.
Further, as shown in Figure 1, 2, described position-limiting unit 32 is for being arranged on the screw on valve casing 30, the tapped hole arranging on described position-limiting unit 32 and valve casing 30 forms screw-thread fit, the axis of described position-limiting unit 32 is vertical with the axis of rotating shaft 22, and the inner of described position-limiting unit 32 is positioned on the rotary path of block 23.Operator can regulate by rotary screw the orientation of position-limiting unit 32, and then can adjust the minimum flow area of spool 20, make fuel gas buring region can at different temperature, keep constant temperature to adapt to different Production requirements.
Claims (6)
1. a gas control valve, comprise the conduit (10) passing through for combustion gas, in described conduit (10), be provided with for opening, the spool (20) of closure catheter, the tube wall of described conduit (10) is provided with the valve casing (30) for spool (20) are installed, and it is characterized in that: valve casing (30) is provided with for driving the driver element (31) of spool (20) unlatching, closure; Described gas control valve also comprises the temperature transducer for detection of fuel gas buring regional temperature, and described temperature transducer is connected with automatic control module, and the signal output part of described automatic control module is connected with driver element (31); Valve casing (30) is provided with the position-limiting unit (32) for stopping that spool (20) is completely closed.
2. gas control valve according to claim 1, it is characterized in that: described spool (20) is cock-type spool, described spool (20) is provided with through hole (21), described spool extends radially outwardly and is provided with one section of rotating shaft (22) along conduit (10), described rotating shaft (22) runs through conduit (10) tube wall, and to extend to the axis of conduit (10) outside and rotating shaft (22) vertical with the axis of through hole (21), described driver element (31) is drive motor, the main shaft (311) of described driver element (31) forms transmission with rotating shaft (22) and coordinates, described rotating shaft (22) is positioned at the outside axis body of conduit (10) and is provided with block (23), described block (23) is along the setting that overhangs of the radially outward of rotating shaft (22), described position-limiting unit (32) forms gear with block (23) and coordinates.
3. gas control valve according to claim 1, it is characterized in that: described spool (20) is cock-type spool, described spool (20) integral body is and on spherical shape and sphere, cuts out the straight wall that one or two is parallel to each other, described spool (20) extends radially outwardly and is provided with one section of rotating shaft (22) along conduit (10), it is parallel with the wall of straight wall that described rotating shaft (22) runs through the axis that conduit (10) tube wall extends to conduit (10) outside and rotating shaft (22), described driver element (31) is drive motor, the main shaft (311) of described driver element (31) forms transmission with rotating shaft (22) and coordinates, described rotating shaft (22) is positioned at the outside axis body of conduit (10) and is provided with block (23), described block (23) is along the setting that overhangs of the radially outward of rotating shaft (22), described position-limiting unit (32) forms gear with block (23) and coordinates.
4. according to the gas control valve described in claim 2 or 3, it is characterized in that: described position-limiting unit (32) is for being arranged on the screw on valve casing (30), described position-limiting unit (32) forms screw-thread fit with the upper tapped hole arranging of valve casing (30), the axis of described position-limiting unit (32) is vertical with the axis of rotating shaft (22), and the inner of described position-limiting unit (32) is positioned on the rotary path of block (23).
5. gas control valve according to claim 2, it is characterized in that: on described valve casing (30), be also provided with for limiting the position limit pin (33) of the maximum opening angle of spool (20), the axis of described position limit pin (33) is parallel to the axis setting of rotating shaft (22), the axis of through hole (21) and the axis conllinear of conduit (10) when described block (23) is resisted against on position limit pin (33) on spool (20).
6. gas control valve according to claim 3, it is characterized in that: on described valve casing (30), be also provided with for limiting the position limit pin (33) of the maximum opening angle of spool (20), the axis of described position limit pin (33) is parallel to the axis setting of rotating shaft (22), and the wall of straight wall when described block (23) is resisted against on position limit pin (33) on spool (20) is parallel with the axis of conduit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326352.1U CN203926883U (en) | 2014-06-18 | 2014-06-18 | Gas control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326352.1U CN203926883U (en) | 2014-06-18 | 2014-06-18 | Gas control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926883U true CN203926883U (en) | 2014-11-05 |
Family
ID=51822695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326352.1U Expired - Lifetime CN203926883U (en) | 2014-06-18 | 2014-06-18 | Gas control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915779A (en) * | 2018-07-12 | 2018-11-30 | 李洋涛 | A kind of oil-gas hybrid power engine high pressure gas VVA control valve |
-
2014
- 2014-06-18 CN CN201420326352.1U patent/CN203926883U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915779A (en) * | 2018-07-12 | 2018-11-30 | 李洋涛 | A kind of oil-gas hybrid power engine high pressure gas VVA control valve |
| CN108915779B (en) * | 2018-07-12 | 2020-09-22 | 李洋涛 | High-pressure air variable drive control valve for oil-gas hybrid power engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
|
| CX01 | Expiry of patent term |