CN101338914A - Gas valve - Google Patents
Gas valve Download PDFInfo
- Publication number
- CN101338914A CN101338914A CNA2008100300458A CN200810030045A CN101338914A CN 101338914 A CN101338914 A CN 101338914A CN A2008100300458 A CNA2008100300458 A CN A2008100300458A CN 200810030045 A CN200810030045 A CN 200810030045A CN 101338914 A CN101338914 A CN 101338914A
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- CN
- China
- Prior art keywords
- gas
- valve
- spool
- rotating shaft
- valve seat
- 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.)
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Abstract
The invention discloses a gas valve, comprising a valve body, a valve seat, a valve core and a rotating shaft; a conducting strip is arranged on the valve seat; an insulation pad is arranged between the conducting strip and the valve seat; a metal contact piece is arranged on the rotor axis, the rotor axis is pressed down when in use, firstly, the metal contact piece contacts with the conducting piece to switch on the igniting power supply, and together with an opposite electrode arranged at the nozzle form an electric discharge circuit; following the rotation of the valve core, the gas blown out is ignited immediately; the igniting manner of gas blast before ignition is realized, the gas does not accumulate around the nozzle, explosion and other accidents do not occur, as a result, the safety of the gas valve is improved; besides, the adopted structure does not need any additional igniting gas way; the structure of the gas valve is simplified, the size of the gas valve is reduced, raw materials are saved, the processing difficulty is lowered and the production cost is reduced; the invention is applicable to gas cookers, gas barbecue ovens, gas water heaters, etc..
Description
Technical field
The present invention relates to a kind of gas valve, particularly a kind of gas valve of ignition structure improvement.
Background technology
At present, the gas valve on the market is first ventilation, the back igniting, and it generally is provided with the independent point internal heat road that has blocking device.Depress rotating shaft and rotation during use, main fire-steam passsage is at first connected, blocking device is opened cut-in point internal heat road then, be arranged on the combustion gas of the electron gun point of discharge burning-point internal heat road outlet at place, igniter gas road junction simultaneously, main fire then ignites, after finishing, igniting unclamps rotating shaft, blocking device resets under the effect of spring, cut-out point internal heat road, finish ignition operation, its shortcoming is owing to main fire-steam passsage before igniting is connected, and assembling in the exit of main fire-steam passsage has a large amount of combustion gas, detonation can take place during igniting, even more serious is, if once igniting unsuccessful or when igniting rotating shaft do not put in place and main quirk has been connected, the gas quantity of gathering can be bigger, even the accident of blasting, serious threat is to user's safety of life and property.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of gas valve simple in structure, easy to use, safe.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of gas valve, comprise valve body and valve seat, in the cavity that constitutes by described valve body and valve seat spool is installed, one end of described spool is connected with the rotating shaft that interts valve seat, between rotating shaft and the spool valve core spring is installed, wherein, described valve body is provided with the air intake duct and the gas off-take that is used to be connected burner that is used to connect source of the gas, and the end of described gas off-take is equipped with nozzle; Described spool is provided with the spool air flue that can be communicated with air intake duct and gas off-take, described valve seat be equipped with one be used for the tie point ignition source, and and rotating shaft between leave the conducting strip in gap, be provided with felt pad between described conducting strip and the valve seat, one metal contact is installed in the described rotating shaft, and this metal contact contacts the cut-in point ignition source all the time with conducting strip when rotating shaft is depressed and rotate.
As a further improvement on the present invention, the surface that metal contact place is installed in described rotating shaft is provided with annular groove, and the outwards baffle ring of motion of barrier metal contact is installed in the described annular groove; Between described metal contact and the valve seat back-moving spring that is sleeved in the rotating shaft is installed.
Further improve as of the present invention, described conducting strip is arranged to annular, and felt pad and metal contact also are arranged to annular accordingly.
The invention has the beneficial effects as follows: valve seat of the present invention is equipped with conducting strip, be provided with felt pad between conducting strip and the valve seat, one metal contact is installed in the rotating shaft, depress rotating shaft during use, at first the metal contact contacts the cut-in point ignition source with conducting strip, utilize the body of metal gas valve that Pulse Electric is directed at jet hole, form discharge loop with the opposite electrode that is arranged on the jet hole place, then along with the rotation of spool, the spool air flue is communicated with air intake duct and gas off-take, and the combustion gas of ejection is lighted at once, and igniting finishes, unclamp rotating shaft, the rotating shaft disconnection ignition circuit that resets under the effect of valve core spring has been realized the jet sparking mode in first igniting back, does not have combustion gas at the jet hole place and assembles, detonation can not take place, security incidents such as blast, the security that has improved gas valve; In addition, owing to adopt this structure not need internal heat road, other set-point, simplified the structure of gas valve, reduced gas valve volume, saved raw material, reduced processing difficulty, reduced production cost, can be widely used in gas kitchen ranges, fuel baking oven, gas heater etc.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a schematic appearance of the present invention;
Fig. 2 is a partial exploded view of the present invention;
Fig. 3 is a cutaway view of the present invention;
Fig. 4 is a spool schematic diagram of the present invention;
Fig. 5 is a valve seat schematic diagram of the present invention.
The specific embodiment
Referring to figs. 1 through Fig. 5, a kind of gas valve, comprise valve body 1 and valve seat 2, in the cavity that constitutes by described valve body 1 and valve seat 2 spool 3 is installed, one end of described spool 3 is connected with the rotating shaft 5 that interts valve seat 2, between rotating shaft 5 and the spool 3 valve core spring 21 is installed, the end that spool 3 connects rotating shaft 5 is equipped with banking stop 18, described valve seat 2 is provided with two limited blocks 19 of restriction banking stop 18 rotational angles, wherein, described valve body 1 is provided with the air intake duct 6 and the gas off-take 7 that is used to be connected burner that is used to connect source of the gas, and the end of described gas off-take 7 is equipped with nozzle 4; Described spool 3 is provided with the spool air flue that can be communicated with air intake duct 6 and gas off-take 7, and this spool air flue is by the blind holes 14 that axially are provided with along spool 3 and be disposed radially and a group of being communicated with blind hole 14 or two groups of spool pores are formed; Described every group of spool pore includes small one and large one big fire air admission hole 16 and little fiery air admission hole 17 of two apertures.
If gas valve as gas only, then 3 needs of spool are provided with one group of spool pore and get final product, the needed gas flow of its big fire can be controlled by the aperture of nozzle 4 or the aperture of big fire pore 16, and the gas flow that little fire needs can be controlled by the pore size of little fiery air admission hole 17.
If as two kinds of gas valves that combustion gas is shared, then can the respectively corresponding two kinds of combustion gas of two groups of spool pores be set at spool 3.Control for flow, this moment, the pore size of nozzle 4 can be by the gas flow design of maximum, less than then can controlling by pore size separately of maximum stream flow, certainly, also can adopt other mode, as adopting methods such as spool bypass compensation air flue, valve body bypass compensation air flue.
Put easy to assembly, the surface of metal contact 11 places being installed in described rotating shaft 5 is provided with annular groove 12, the outwards baffle ring 13 of motion of barrier metal contact 11 is installed in the described annular groove 12, the back-moving spring 20 that is sleeved in the rotating shaft 5 is installed between described metal contact 11 and the valve seat 2, and this metal contact 11 contacts the cut-in point ignition source with conducting strip 9 all the time when rotating shaft 5 is depressed and rotated.
Depress rotating shaft during use, at first the metal contact contacts the cut-in point ignition source with conducting strip, utilize the body of metal gas valve that Pulse Electric is directed at jet hole, form discharge loop with the opposite electrode that is arranged on the jet hole place, then along with the rotation of spool, the spool air flue is communicated with air intake duct and gas off-take, the combustion gas of ejection is lighted at once, igniting finishes, and unclamps rotating shaft, and rotating shaft is at valve core spring, the disconnection ignition circuit resets under the effect of back-moving spring, realized the jet sparking mode in first igniting back, do not have combustion gas at the jet hole place and assemble, detonation can not take place, security incidents such as blast, the security that has improved gas valve; In addition, owing to adopt this structure not need internal heat road, other set-point, simplified the structure of gas valve, reduced gas valve volume, saved raw material, reduced difficulty of processing, reduced production cost, can be widely used in gas kitchen ranges, fuel baking oven, gas heater etc.
Claims (6)
1, a kind of gas valve, comprise valve body (1) and valve seat (2), in the cavity by described valve body (1) and valve seat (2) formation spool (3) is installed, one end of described spool (3) is connected with the rotating shaft (5) of interspersed valve seat (2), between rotating shaft (5) and the spool (3) valve core spring (21) is installed, wherein, described valve body (1) is provided with air intake duct (6) that is used to connect source of the gas and the gas off-take that is used to be connected burner (7), and the end of described gas off-take (7) is equipped with nozzle (4); Described spool (3) is provided with the spool air flue that can be communicated with air intake duct (6) and gas off-take (7), it is characterized in that described valve seat (2) be equipped with one be used for the tie point ignition source, and and rotating shaft between leave the conducting strip (9) in gap, be provided with felt pad (10) between described conducting strip (9) and the valve seat (2), one metal contact (11) is installed in the described rotating shaft (5), and this metal contact (11) contacts the cut-in point ignition source with conducting strip (9) all the time when rotating shaft (5) is depressed and rotated.
2, a kind of gas valve according to claim 1, it is characterized in that being provided with annular groove (12), the outwards baffle ring (13) of motion of barrier metal contact (11) is installed in the described annular groove (12) on the surface that described rotating shaft (5) installation metal contact (11) is located.
3, a kind of gas valve according to claim 1 and 2 is characterized in that being equipped with the back-moving spring (20) that is sleeved in the rotating shaft (5) between described metal contact (11) and valve seat (2).
4, a kind of gas valve according to claim 1 is characterized in that described conducting strip (9) is arranged to annular, and felt pad (10) and metal contact (11) also are arranged to annular accordingly.
5, a kind of gas valve according to claim 1 is characterized in that described spool air flue is by the blind hole (14) that axially is provided with along spool (3) be disposed radially and a group of being communicated with blind hole (14) or two groups of spool pores are formed; Described every group of spool pore includes small one and large one big fire air admission hole (16) and little fiery air admission hole (17) of two apertures.
6, a kind of gas valve according to claim 1 is characterized in that an end of described spool (3) connection rotating shaft (5) is equipped with banking stop (18), and described valve seat (2) is provided with two limited blocks (19) of restriction banking stop (18) rotational angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100300458A CN101338914A (en) | 2008-08-05 | 2008-08-05 | Gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100300458A CN101338914A (en) | 2008-08-05 | 2008-08-05 | Gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101338914A true CN101338914A (en) | 2009-01-07 |
Family
ID=40213044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100300458A Pending CN101338914A (en) | 2008-08-05 | 2008-08-05 | Gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101338914A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062237A (en) * | 2010-12-21 | 2011-05-18 | 浙江德意厨具有限公司 | Gas regulating valve for gas cooker |
| CN103256396A (en) * | 2013-05-14 | 2013-08-21 | 宁波朝阳家用燃气具有限公司 | Ignition switch for gas valve |
| CN104534527A (en) * | 2014-12-31 | 2015-04-22 | 房家胜 | Integrated valve of gas stove |
-
2008
- 2008-08-05 CN CNA2008100300458A patent/CN101338914A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062237A (en) * | 2010-12-21 | 2011-05-18 | 浙江德意厨具有限公司 | Gas regulating valve for gas cooker |
| CN102062237B (en) * | 2010-12-21 | 2012-05-02 | 浙江德意厨具有限公司 | Gas regulating valve for gas cooker |
| CN103256396A (en) * | 2013-05-14 | 2013-08-21 | 宁波朝阳家用燃气具有限公司 | Ignition switch for gas valve |
| CN103256396B (en) * | 2013-05-14 | 2016-01-27 | 宁波朝阳家用燃气具有限公司 | For the ignition switch of gas valve |
| CN104534527A (en) * | 2014-12-31 | 2015-04-22 | 房家胜 | Integrated valve of gas stove |
| CN104534527B (en) * | 2014-12-31 | 2017-01-25 | 房家胜 | Integrated valve of gas stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090107 |