CN201273607Y - Gas valve - Google Patents
Gas valve Download PDFInfo
- Publication number
- CN201273607Y CN201273607Y CNU2008200519738U CN200820051973U CN201273607Y CN 201273607 Y CN201273607 Y CN 201273607Y CN U2008200519738 U CNU2008200519738 U CN U2008200519738U CN 200820051973 U CN200820051973 U CN 200820051973U CN 201273607 Y CN201273607 Y CN 201273607Y
- Authority
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Lift Valve (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a gas valve comprising a valve body, a valve seat, a valve core and a rotation shaft, wherein a conducting plate is arranged on the valve seat, an insulating pad is arranged between the conducting plate and the valve seat, a metallic contact is arranged on the rotation shaft, when in use, the rotation shaft is pressed down, firstly, the metallic contact is contacted with the conducting plate and switches on an igniting power source, and forms a discharge return circuit with a reverse electrode which is arranged on the position of a nozzle port, then sprayed gas is instantly ignited along the rotation of the valve core, which realizes the igniting mode of firstly igniting and then spraying gas, gas can not be gathered on the position of the nozzle port, and safety accidents, such as explosions, detonate explosion and the like, can not generate, which improves the safety of the gas valve. Furthermore, since adopting the structure, an igniting air channel does not need to be further arranged, which simplifies the structure of the gas valve, reduces the volume of the gas valve, saves raw materials, reduces the manufacturing difficulty and reduces the manufacturing cost, and the gas valve can be widely suitable for gas kitchen ranges, gas ovens, gas boilers and the like.
Description
Technical field
The utility model 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 utility model provides a kind of gas valve simple in structure, easy to use, safe.
The technical scheme that its technical problem that solves the utility model adopts 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 further improvement of the utility model, 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 utility model, described conducting strip is arranged to annular, and felt pad and metal contact also are arranged to annular accordingly.
The beneficial effects of the utility model are: valve seat of the present utility model 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 the nozzle mouth, form discharge loop with the opposite electrode that is arranged on nozzle mouth 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 nozzle mouth 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
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a schematic appearance of the present utility model;
Fig. 2 is a partial exploded view of the present utility model;
Fig. 3 is a cutaway view of the present utility model;
Fig. 4 is a spool schematic diagram of the present utility model;
Fig. 5 is a valve seat schematic diagram of the present utility model.
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 the nozzle mouth, form discharge loop with the opposite electrode that is arranged on nozzle mouth 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 nozzle mouth 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 |
|---|---|---|---|
| CNU2008200519738U CN201273607Y (en) | 2008-08-07 | 2008-08-07 | Gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200519738U CN201273607Y (en) | 2008-08-07 | 2008-08-07 | Gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273607Y true CN201273607Y (en) | 2009-07-15 |
Family
ID=40883954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200519738U Expired - Lifetime CN201273607Y (en) | 2008-08-07 | 2008-08-07 | Gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273607Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896529A (en) * | 2014-03-09 | 2015-09-09 | 宁波宏昌燃具有限公司 | Pulse ignition contact piece switch used for gas stove valve |
-
2008
- 2008-08-07 CN CNU2008200519738U patent/CN201273607Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896529A (en) * | 2014-03-09 | 2015-09-09 | 宁波宏昌燃具有限公司 | Pulse ignition contact piece switch used for gas stove valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102588963B (en) | Secondary gasification energy-saving combustion device for alcohol-based fuel | |
| CN100453907C (en) | Oil smoke suction machine and gas oven integrated type internal combustion oven | |
| CN201339980Y (en) | 30-degree safe gas valve | |
| CN202769729U (en) | Double-needle start-up burner for gas stove | |
| CN101338914A (en) | Gas valve | |
| CN201273607Y (en) | Gas valve | |
| CN207554871U (en) | A kind of three ultra-thin ring fire fuel gas plug valves | |
| CN102109169A (en) | Refined infrared stove core for Chinese food | |
| CN206094192U (en) | Ignition device and household gas stove using same | |
| CN105066238B (en) | Safety-type double-gas-source gas control system and control method | |
| CN203068575U (en) | Gas valve of portable cassette stove with safe assembly and disassembly gas cylinder | |
| CN2504559Y (en) | Gas controller of anti-explosion gas water heater | |
| CN208349339U (en) | A kind of lighter air-jet device with composite flame | |
| CN107514656B (en) | A kind of kitchen range instantaneous ignition and instantaneous Control large fire method | |
| CN202769663U (en) | Infrared combustor | |
| CN217130471U (en) | Gas plug valve with high ignition rate | |
| CN217559896U (en) | Safety gas valve | |
| CN101957004B (en) | Stove | |
| CN201083402Y (en) | Fume exhauster and gas combustion range integrated type internal combustion kitchen ranges | |
| CN2550656Y (en) | Infrared gas range burner | |
| CN2532422Y (en) | Gas control valve | |
| CN204880106U (en) | Two air supply control system of safe type | |
| CN219242702U (en) | Gas oven valve with ignition device | |
| CN219035732U (en) | Gas valve assembly | |
| CN202581407U (en) | Ion induction ignition system applicable to oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Leetron Gas Applince Co., Ltd. Assignor: Xie Qibiao|Xiao Ruiyuan Contract record no.: 2012990000228 Denomination of utility model: Gas fuel valve Granted publication date: 20090715 License type: Exclusive License Record date: 20120413 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090715 |
|
| CX01 | Expiry of patent term |