CN101354097B - Gas valve with pressure measuring device - Google Patents
Gas valve with pressure measuring device Download PDFInfo
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- CN101354097B CN101354097B CN2008101206701A CN200810120670A CN101354097B CN 101354097 B CN101354097 B CN 101354097B CN 2008101206701 A CN2008101206701 A CN 2008101206701A CN 200810120670 A CN200810120670 A CN 200810120670A CN 101354097 B CN101354097 B CN 101354097B
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Abstract
The invention provides a gas valve provided with a pressure measuring device, pertaining to the technical filed of machinery and solving problems such as small application scope caused by inconvenient pressure measurement as the pressure measuring device of the current gas valve provided with a pressure measuring device cannot rotate. The gas valve provided with the pressure measuring device consists of a valve body provided with an air inlet pipe and an air outlet pipe, a valve stem and a valve core which is arranged in the valve body. One end of the valve stem is connected with the valve core while the other end thereof passes through the valve body; the air inlet pipe is provided with a pressure measuring hole, the outside of the air inlet pipe is provided with the pressure measuring device, a valve sleeve is arranged and axially fixed on the air inlet pipe and can rotate along circumferential direction, the pressure measuring device is fixedly connected with the valve sleeve, and a connection structure which ensures that the valve sleeve and the air inlet pipe are mutually sealed and that the pressure measuring hole and the pressure measuring device are always communicated when the valve sleeve rotates along the air inlet pipe in a circumferential manner is positioned between the valve sleeve and the air inlet pipe. The gas valve provided with the pressure measuring device is characterized by simple structure, good sealing performance, wide application scope and being capable of measuring the pressure of the gas of the pipe at any angle.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of valve, particularly a kind of gas valve with pressure-detecting device.
Background technique
At present, combustion gas acts as a fuel, and has been deep into huge numbers of families, big and medium-sized cities particularly, and pipeline gas has been installed to the kitchen, and wherein gas valve is a very important components, opens or block pipeline gas by the switching of control gas valve.
When using pipeline gas, particularly cooking when cooking, people run into through regular meeting that the not prosperous or point of the burner intensity of a fire is not on fire to be come, at this moment people just can't learn since pipeline gas air pressure deficiency cause or since the problem of burner own caused.Have the people to install pressure-detecting device for this reason on the suction tude of gas valve, detect pipeline gas air pressure by pressure-detecting device, whether people just can learn that the intensity of a fire is not prosperous or put next problem not on fire and caused by pipeline gas air pressure deficiency like this.Yet present pressure-detecting device all is fixing dead on the suction tude of gas valve, that is to say that pressure-detecting device can't circumferentially rotate on suction tude, owing to its pipeline gas installation under the different environment also is different.After gas valve installed, because the angle of pressure-detecting device on suction tude is that restriction is dead, the pressure measurement inconvenience may so just be caused at place, a dead angle or too near wall in the position of its pressure-detecting device, and its Applicable scope is dwindled greatly like this.
Summary of the invention
The objective of the invention is to exist above-mentioned problem, a kind of simple in structure, good airproof performance is provided, all can have carried out the gas valve of the band detection device of pressure measurement at unspecified angle pipeline gas at existing gas valve.
Purpose of the present invention can realize by following technical proposal: a kind of gas valve with pressure-detecting device, comprise valve body with suction tude and steam outlet pipe, valve rod and the spool that is positioned at valve body, described valve rod one end and spool link, the other end passes valve body, have pressure tap on the described suction tude, be provided with pressure-detecting device in the suction tude outside, it is characterized in that, described suction tude is provided with and is axially fixed on the suction tude and the valve pocket that can circumferentially rotate, above-mentioned pressure-detecting device is connected on the valve pocket, makes valve pocket and suction tude form sealing and moves into the linkage structure that all the time pressure tap is connected with pressure-detecting device when tracheae circumferentially rotates when valve pocket being provided with between valve pocket and the suction tude.
Because valve pocket is axially fixed on the suction tude and can circumferentially rotates, like this when being installed to this gas valve on the gas pipeline, no matter how this gas pipeline is laid, only need to rotate valve pocket and just can make pressure valve be in best test position, make this gas valve when detecting pipeline gas air pressure, pressure valve and pressure-measuring meter can better be linked together like this.Make by the linkage structure between valve pocket and the suction tude simultaneously when tracheae circumferentially rotates pressure tap is connected with pressure-detecting device, that is to say that combustion gas can both enter into pressure-detecting device after pressure tap comes out when valve pocket moves into.
When measuring channel combustion gas air pressure, earlier drive valve core rotation and make valve closing by rotation valve rod, rotate valve pocket simultaneously and make pressure valve be in best test position, pressure-measuring meter and pressure valve are linked together gets final product accurate measuring channel combustion gas air pressure again.
In the gas valve of above-mentioned band pressure-detecting device, described linkage structure comprises several sealed circle one that is arranged between valve pocket and the suction tude and the annular groove that is arranged on the suction tude, above-mentioned pressure tap import communicates with suction tude, and the pressure tap outlet is positioned at this annular groove.Valve pocket move into tracheae when circumferentially rotating seal ring one can prevent effectively that combustion gas from coming out from the slot leakage between valve pocket and the suction tude, strengthen the sealing and the Security of gas valve.
In the gas valve of above-mentioned band pressure-detecting device, described pressure-detecting device is a pressure valve, and pressure valve one end is connected on the valve pocket, and the other end is provided with sealed cap and is threaded with sealed cap.Sealed cap covers on pressure valve at ordinary times, in the time will carrying out pressure measurement to pipeline gas, sealed cap taken off pressure-measuring meter and pressure valve linked together again gets final product.Sealed cap can also prevent that impurity from dropping into pressure valve pressure valve is blocked to live simultaneously, thereby guarantees the accuracy of survey data.
In the gas valve of above-mentioned band pressure-detecting device, described pressure valve comprises the pressure valve valve body, is positioned at the valve inside and the mandrel of pressure valve valve body, and valve inside and mandrel are slidingly connected and are provided with seal ring between valve inside and pressure valve valve body.Seal ring plays seal action here, prevents that combustion gas from leaking.
In the gas valve of above-mentioned band pressure-detecting device, described valve inside is threaded with the pressure valve valve body.Make firm the linking together of valve inside and pressure valve valve body energy like this.
In the gas valve of above-mentioned band pressure-detecting device, the described suction tude outside is provided with convex shoulder and draw-in groove, and fixing in the described draw-in groove has snap ring, and above-mentioned valve pocket one end is resisted against on the convex shoulder, and the other end is resisted against on the snap ring.When valve pocket is installed, earlier valve pocket being nested into makes valve pocket one end be resisted against on the convex shoulder on the suction tude, thereby snap ring is snapped onto makes the valve pocket the other end be resisted against on the snap ring again in the draw-in groove, so just make that valve pocket can firm being axially fixed on the suction tude, simultaneously as changing valve pocket, only need snap ring is taken out, just valve pocket can be taken off from suction tude.
In the gas valve of above-mentioned band pressure-detecting device, described sealed cap the inner is provided with seal ring two.Seal ring two can prevent that combustion gas from leaking out from joint between sealed cap and the pressure valve valve body.
In the gas valve of above-mentioned band pressure-detecting device, described pressure valve and valve pocket are connected as a single entity.
Compared with prior art, pressure valve in the gas valve of this band pressure-detecting device is fixed on the valve pocket, and valve pocket is axially fixed on the suction tude and can circumferentially rotates, like this when being installed to this gas valve on the gas pipeline, no matter how this gas pipeline is laid, only needing to rotate valve pocket just can make pressure valve be in best test position, make this gas valve when detecting pipeline gas air pressure, pressure valve and pressure-measuring meter can better be linked together like this, the convenient detection, it detects data also can be more accurate, and its Applicable scope is also more extensive.
Description of drawings
Fig. 1 is the structural representation of the gas valve of this band pressure-detecting device.
Fig. 2 is the structural representation of valve inside in the gas valve of this band pressure-detecting device.
Among the figure, 1, valve body; 11, suction tude; 11a, pressure tap; 11b, annular groove; 11c, draw-in groove; 11d, convex shoulder; 12, steam outlet pipe; 2, valve rod; 3, handle; 4, spool; 5, valve pocket; 6, pressure valve; 61, pressure valve valve body; 62, valve inside; 63, mandrel; 7, sealed cap; 8, seal ring; 9, seal ring 1, seal ring two; 13, seal ring three; 14, spring; 15, snap ring.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, the gas valve of this band pressure-detecting device comprises valve body 1, valve rod 2, handle 3 with suction tude 11 and steam outlet pipe 12 and the spool 4 that is positioned at valve body 1, and wherein valve rod 2 one ends and spool 4 link, and the other end passes valve body 1 and is connected with handle 3.
Be provided with the valve pocket 5 that is axially fixed on the suction tude 11 and can circumferentially rotates in suction tude 11 outsides, on valve pocket 5, be fixed with the pressure valve 6 that is connected as a single entity with valve pocket 5.Pressure valve 6 comprises pressure valve valve body 61, is positioned at the valve inside 62 and the mandrel 63 of pressure valve valve body 61, as shown in Figure 2, valve inside 62 and mandrel 63 are slidingly connected and are provided with seal ring 8 between valve inside 62 and pressure valve valve bodies 61, and wherein valve inside 62 is threaded with pressure valve valve body 61.Make valve inside 62 and firm the linking together of pressure valve valve body 61 energy like this by being threaded.Also be provided with seal ring 3 13 and spring 14 in valve inside 62 and mandrel 63 joints.Seal ring 8 and seal ring 3 13 play seal action here, prevent that combustion gas from leaking.
Be provided with convex shoulder 11d and draw-in groove 11c in suction tude 11 outsides, fixing in the draw-in groove 11c has snap ring 15, and valve pocket 5 one ends are resisted against on the convex shoulder 11d, and the other end is resisted against on the snap ring 15.When valve pocket 5 is installed, earlier valve pocket 5 being nested into makes valve pocket 5 one ends be resisted against on the convex shoulder 11d on the suction tude 11, thereby snap ring 15 is snapped onto makes valve pocket 5 the other ends be resisted against on the snap ring 15 again in the draw-in groove 11c, so just make that valve pocket 5 can firm being axially fixed on the suction tude 11, simultaneously as changing valve pocket 5, only need snap ring 15 is taken out, just valve pocket 5 can be taken off from suction tude 11.
On suction tude 11 inwalls, have the pressure tap 11a that communicates with pressure valve 6, be provided with the annular groove 11b that when valve pocket 5 moves into tracheae 11 circumferential rotations, pressure tap 11a is connected with pressure-detecting device between valve pocket 5 and the suction tude 11, pressure tap 11a import communicates with suction tude 11, and pressure tap 11a outlet is positioned at this annular groove 11b.Because valve pocket 5 is axially fixed on the suction tude 11 and can circumferentially rotates, like this when being installed to this gas valve on the gas pipeline, no matter how this gas pipeline is laid, only need to rotate valve pocket 5 and just can make pressure valve 6 be in best test position, make this gas valve that pressure valve 6 and pressure-measuring meter can better be linked together like this.Make by the annular groove 11b between valve pocket 5 and the suction tude 11 simultaneously when tracheae 11 circumferentially rotates pressure tap 11a is connected with pressure valve 6, that is to say that combustion gas can both enter into pressure valve 6 after pressure tap 11a comes out when valve pocket 5 moves into.
Also be provided with a plurality of seal rings 1 between valve pocket 5 and suction tude 11, these seal rings 1 are distributed in annular groove 11b both sides.Valve pocket 5 move into tracheae 11 when circumferentially rotating seal ring 1 can prevent effectively that combustion gas from coming out from the slot leakage between valve pocket 5 and the suction tude 11, strengthen the sealing and the Security of this gas valve.
When measuring channel combustion gas air pressure, earlier drive spools 4 and rotate and make valve closing by rotation valve rod 2, rotate valve pocket 5 simultaneously and make pressure valve 6 be in best test position, the sealed cap 7 of pressure valve 6 is taken off, again pressure-measuring meter and pressure valve 6 are linked together.Mandrel 63 can be extruded and make it to move inward after pressure-measuring meter and pressure valve 6 linked together, spring 14 is compressed simultaneously, this moment, the combustion gas meeting entered into pressure valve 6 by pressure tap 11a from suction tude 11, because spring 14 is compressed, combustion gas enters into pressure-measuring meter from the slit between valve inside 62 and the mandrel 63, thus the accurate combustion gas air pressure of measuring channel so just.After measuring end, pressure-measuring meter is taken off, mandrel 63 is returned to the origin-location under the elastic force effect of spring 14, sealed cap 7 is covered back again to get final product again.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as valve body 1, suction tude 11, pressure tap 11a, annular groove 11b, draw-in groove 11c, convex shoulder 11d, steam outlet pipe 12, valve rod 2, handle 3, spool 4, valve pocket 5, pressure valve 6, pressure valve valve body 61, valve inside 62, mandrel 63, sealed cap 7, seal ring 8, seal ring 1, seal ring 2 10, seal ring 3 13, spring 14, snap ring 15 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1. gas valve with pressure-detecting device, comprise have suction tude (11) and steam outlet pipe 12) valve body (1), valve rod (2) and be positioned at the spool (4) of valve body (1), described valve rod (2) one ends and spool (4) link, the other end passes valve body (1), have pressure tap (11a) on the described suction tude (11), be provided with pressure-detecting device in suction tude (11) outside, it is characterized in that, described suction tude (11) is provided with and is axially fixed in the valve pocket (5) that suction tude (11) goes up and can circumferentially rotate, above-mentioned pressure-detecting device is connected on the valve pocket (5), form sealing between described valve pocket (5) and the suction tude (11), between valve pocket (5) and suction tude (11), be provided with when valve pocket (5) and move into tracheae (11) can make pressure tap (11a) be connected with pressure-detecting device all the time when circumferentially rotating annular groove (11b).
2. the gas valve of band pressure-detecting device according to claim 1, it is characterized in that, described annular groove (11b) is arranged on the suction tude (11), be provided with several sealed circle one (9) between described valve pocket (5) and the suction tude (11), above-mentioned pressure tap (11a) import communicates with suction tude (11), and pressure tap (11a) outlet is positioned at this annular groove (11b).
3. the gas valve of band pressure-detecting device according to claim 1 and 2 is characterized in that, described pressure-detecting device is pressure valve (6), and pressure valve (6) one ends are connected on the valve pocket (5), and the other end is provided with sealed cap (7) and is threaded with sealed cap (7).
4. the gas valve of band pressure-detecting device according to claim 3, it is characterized in that, described pressure valve (6) comprises pressure valve valve body (61), is positioned at the valve inside (62) and the mandrel (63) of pressure valve valve body (61), and valve inside (62) and mandrel (63) are slidingly connected and are provided with seal ring (8) between valve inside (62) and pressure valve valve body (61).
5. the gas valve of band pressure-detecting device according to claim 4 is characterized in that, described valve inside (62) is threaded with pressure valve valve body (61).
6. the gas valve of band pressure-detecting device according to claim 1 and 2, it is characterized in that, described suction tude (11) outside is provided with convex shoulder (11d) and draw-in groove (11c), fix in the described draw-in groove (11c) snap ring (15) is arranged, above-mentioned valve pocket (5) one ends are resisted against on the convex shoulder (11d), and the other end is resisted against on the snap ring (15).
7. the gas valve of band pressure-detecting device according to claim 3 is characterized in that, described sealed cap (7) the inner is provided with seal ring two (10).
8. the gas valve of band pressure-detecting device according to claim 3 is characterized in that, described pressure valve (6) and valve pocket (5) are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101206701A CN101354097B (en) | 2008-09-01 | 2008-09-01 | Gas valve with pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101206701A CN101354097B (en) | 2008-09-01 | 2008-09-01 | Gas valve with pressure measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101354097A CN101354097A (en) | 2009-01-28 |
| CN101354097B true CN101354097B (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101206701A Active CN101354097B (en) | 2008-09-01 | 2008-09-01 | Gas valve with pressure measuring device |
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| Country | Link |
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| CN (1) | CN101354097B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523733A (en) * | 2016-12-23 | 2017-03-22 | 王小东 | Multifunctional ball valve for safety valve pressure test device |
| CN107504100B (en) * | 2017-09-22 | 2019-08-20 | 中车唐山机车车辆有限公司 | Cutout cock, brake piping assembly and rail vehicle using the cutout cock |
| CN107631050B (en) * | 2017-11-06 | 2018-09-14 | 良工阀门集团有限公司 | A kind of valve |
| CN110792800A (en) * | 2019-11-15 | 2020-02-14 | 日丰企业（佛山）有限公司 | Gas valve |
| CN113775849A (en) * | 2021-09-24 | 2021-12-10 | 江苏赛弗道管道股份有限公司 | Flexible composite pipe interlayer gas exhaust device for acid natural gas gathering and transportation and installation method thereof |
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2008
- 2008-09-01 CN CN2008101206701A patent/CN101354097B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101354097A (en) | 2009-01-28 |
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