CN203248782U - Fuel gas valve assisting ignition through gas supplying - Google Patents
Fuel gas valve assisting ignition through gas supplying Download PDFInfo
- Publication number
- CN203248782U CN203248782U CN 201320181104 CN201320181104U CN203248782U CN 203248782 U CN203248782 U CN 203248782U CN 201320181104 CN201320181104 CN 201320181104 CN 201320181104 U CN201320181104 U CN 201320181104U CN 203248782 U CN203248782 U CN 203248782U
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- valve
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Abstract
The utility model relates to a fuel gas valve assisting ignition through gas supplying. The fuel gas valve assisting ignition through gas supplying comprises a valve body with an electromagnetic valve cavity and valve core cavity, wherein a gas inlet and a gas outlet are formed in the lateral wall of the valve body, an electromagnetic valve is arranged in the electromagnetic valve cavity, a valve core is arranged in the valve core cavity, and a valve rod is arranged on the valve core in a penetrating mode. The fuel gas valve assisting ignition through gas supplying is characterized in that a stepped hole is formed in the valve core, a big fire hole and at least one small fire hole are formed in the peripheral wall of the stepped hole, an assisting gas supplying hole communicated with the big fire hole is formed in the lateral wall of the small fire hole part of the stepped hole, a first sealing ring is arranged at the lower end of the valve rod, the first sealing ring moves downward to leave the stepped hole and the assisting gas supplying hole is communicated with the valve core cavity when the valve core moves downward, the first sealing ring is sealed with the inner wall of the big fire hole part of the stepped hole when the valve core is restored, and a long flame port directly communicated with the valve core cavity is formed in the lateral wall of the valve body. According to the fuel gas valve assisting ignition through gas supplying, fuel gas is communicated with a gas outlet not only through the big fire hole but also through the assisting gas supplying hole during ignition, sufficient gas is provided for the ignition, and the success rate of the ignition is ensured.
Description
Technical field
The utility model relates to a kind of gas range safety valve, relates in particular to a kind of gas valve of helping air supply igniting.
Background technique
Gas valve in the various gas utensils is the manual operating valve of control source of the gas supply.Common gas valve generally comprises the valve body that has gas-entered passageway and outlet passageway, be provided with revolvable spool in the valve body, spool top has spring chamber, the spool bottom is provided with venting cavity, be equipped with the valve rod that can drive Spool rotating on the valve body, slot is arranged on the spool, on the sidewall of valve rod attachment post is arranged, the lower end of valve rod holds and makes valve rod keep moving and disengaging is connected the spring of trend with spool, this spring is positioned at the spring chamber on the spool, has to be communicated with large fire hole and the small fire hole of gas-entered passageway and outlet passageway on the venting cavity sidewall of spool.Press down valve rod, attachment post on the valve rod inserts in the slot, rotational valve core igniting or adjusting firepower gear when large fire hole is communicated with the air outlet, are in maximum gear, gas output is maximum, when small fire hole is communicated with the air outlet, be in minimum gear, gas output is minimum, after valve rod lost downforce, valve rod resetted under spring action.Traditional gas valve can not realize automatically cutting off combustion gas behind accident extinguishment of gas stove, combustion gas continues to leak, and Security is relatively poor.
Be the Chinese utility model patent " gas control valve " of ZL91221315.9 (notification number is CN2096678U) such as a patent No., the patent No. is the Chinese utility model patent " a kind of safe gas valve " of ZL201120074778.9 (notification number is CN201954067U), they have disclosed a kind of so similar gas valve, include valve body, valve seat, spool, valve rod and stage clip, also comprise solenoid valve, driving mechanism and thermocouple; Solenoid valve comprises solenoid valve seat and electromagnetic valve core, and air-inlet cavity and the electromagnetic valve core chamber vertical with air-inlet cavity are arranged on the solenoid valve seat, and electromagnetic valve core chamber and air-inlet cavity intersection have the core print seat of electromagnetic valve core, and the air outlet hole in electromagnetic valve core chamber is communicated with connecting tube on the valve seat; Driving mechanism is arranged on the solenoid valve seat and cooperates with the core of electromagnetic valve core; The wire of thermocouple is connected with electromagnetic valve core.Owing to adopt such structure, pressing down valve rod, spool is communicated with suction port and air outlet; Meanwhile, driving mechanism leaves the core of electromagnetic valve core, and after the burner combustion, the thermoelectricity of thermocouple makes electromagnetic valve work, continues burner for combustion gas; When burner extinguished, thermocouple was without thermoelectricity, and the core of electromagnetic valve core and core print seat are fitted, and cut off fuel gas pipeline, prevent gas leakage, have eliminated potential safety hazard.
Light a fire successfully for guaranteeing gas valve, larger gas output need to be arranged when igniting, so generally only have during igniting just can be lighted a fire in valve core rotation to big fire position, existing gas valve is when actual ignition, even if forward the big fire position to, its gas output can not fine satisfied igniting requirement, sometimes also be difficult for being lighted fast, need relight repeatedly, if only increase the aperture of large fire hole, although can improve ignition success rate, can make gas valve excessive in big fire working procedure moderate heat amount, cause the combustion gas waste.
The model utility content
Technical problem to be solved in the utility model is that a kind of gas valve that assisted gas replenishes igniting and the cut-out assisted gas replenishes after igniting is finished that has in igniting process is provided for above-mentioned prior art present situation, this gas valve can be guaranteed the one-time success rate of lighting a fire, and the gas output after can not finishing igniting again exerts an influence.
The utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of gas valve of helping air supply igniting, comprise the valve body with electromagnetism valve pocket and spool chamber, have the suction port that is communicated with the electromagnetism valve pocket on the sidewall of valve body, and the air outlet that is communicated with spool chamber, be communicated with by valve port between electromagnetism valve pocket and the spool chamber, be provided with the solenoid valve that control signal is provided by thermocouple in the electromagnetism valve pocket, the armature of solenoid valve can cover or open described valve port, be provided with spool in the spool chamber, run through to be provided with by spring holding the valve rod that moves trend in the maintenance on the spool, valve rod move down the armature that can promote solenoid valve; It is characterized in that: be provided with shoulder hole in the described spool, have on the perisporium of shoulder hole and axially run through spool bottom surface and large fire hole and at least one small fire hole in order to be communicated with spool chamber and air outlet, have the helping air supply hole that communicates with large fire hole on the aperture section sidewall of shoulder hole, the lower end of described valve rod is provided with and can forms the first seal ring that is sealed and matched with the macropore section of shoulder hole, under spool under the shifting state, the first seal ring leaves shoulder hole downwards, described helping air supply hole is communicated with spool chamber, under the valve core reset state, the macropore section inwall of described the first seal ring and shoulder hole forms sealing, with being communicated with of blocking-up helping air supply hole and spool chamber; Have the burner kept burning day and night that directly is communicated with spool chamber on the sidewall of described valve body, the flame interaction that produces by this ever-burning flame confession gas is in described thermocouple.
Owing to need that lubricant oil is arranged between spool periphery and the spool chamber inwall, for preventing that spool lubricant oil in rotation process from stopping up big or small fire hole, the periphery wall of above-mentioned spool is provided with large oil trap and at least one little oil trap, described large oil trap communicates with large fire hole and helping air supply hole, and described little oil trap communicates with corresponding small fire hole.
Above-mentioned small fire hole has two to be respectively the first small fire hole and the second small fire hole, described little oil trap has two, be respectively the first little oil trap and the second little oil trap, wherein the first small fire hole communicates with the first little oil trap, and the second small fire hole and the second little oil trap communicate.Two or more small fire holes are set can increase the adjusting gear of gas valve, two different small fire holes of pore size is set can allows one of them small fire hole as little fire gear, and another small fire hole uses as the moderate heat gear.
Above-mentioned helping air supply hole has two.Helping air supply more fully.
The top of above-mentioned spool is provided with opening up spring chamber, and described spring is positioned at spring chamber, is arranged with on the described valve rod with the spring chamber inner circle wall and forms the second seal ring that is sealed and matched.Spring chamber is set provides suitable installation position to spring, spring can not depart from, and guaranteeing provides elastic force upwards to valve rod, and the seal ring setting prevents gas leakage.
Above-mentioned valve body is comprised of valve casing, valve gap and screw thread valve seat, valve gap is fixed by screws on the upper-end surface of valve casing, the cavity that valve gap and valve casing form forms described spool chamber, the screw thread valve seat is threaded in the lower end of valve casing, the cavity that screw thread valve seat and valve casing form forms described electromagnetism valve pocket, described suction port, air outlet and burner kept burning day and night are arranged on the valve casing, and described valve rod upper end passes renovates.This valve body structure is convenient to spool, valve rod, spool and solenoid valve are assemblied in the valve body
Compared with prior art, the utility model has the advantage of: during igniting, valve rod moves down and opens the armature of solenoid valve, and combustion gas is communicated with spool chamber via valve port from suction port, simultaneously, the first seal ring on the valve rod leaves shoulder hole downwards, the helping air supply hole is communicated with spool chamber, not only has combustion gas to be communicated with the air outlet via large fire hole during igniting, also has combustion gas to be communicated with the air outlet by the helping air supply hole, when making igniting enough tolerance is arranged, guarantee ignition success rate; After igniting finishes, move on valve rod resets, the first seal ring on the valve rod forms sealing with the macropore section inwall of shoulder hole simultaneously, to block being communicated with of helping air supply hole and spool chamber, only has large fire hole to work, and guarantees that tolerance can be not excessive, causes waste; After fiery accident was extinguished, fire no longer provided heat to thermocouple in addition, and thermocouple is generation current not, and control closed electromagnetic valve valve port is blocked the combustion gas gas circuit, prevents that combustion gas from leaking.
Description of drawings
Fig. 1 is the utility model embodiment's perspective view;
Fig. 2 is the utility model embodiment's three-dimensional cutaway view;
Fig. 3 is the utility model embodiment's sectional view (fired state);
Fig. 4 is the utility model embodiment's sectional view (igniting finish after and be in big fire gear state);
Fig. 5 is the perspective view one of spool among the utility model embodiment;
Fig. 6 is the perspective view 2 of spool among the utility model embodiment;
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～6, be a preferred embodiment of the present utility model.
A kind of gas valve of helping air supply igniting, comprise the valve body 1 with electromagnetism valve pocket 2 and spool chamber 3, have the suction port 21 that is communicated with electromagnetism valve pocket 2 on the sidewall of valve body 1, and the air outlet 31 that is communicated with spool chamber 3, be communicated with by valve port 4 between electromagnetism valve pocket 2 and the spool chamber 3, be provided with the solenoid valve 5 that control signal is provided by thermocouple in the electromagnetism valve pocket 2, the armature 51 of solenoid valve can cover or open described valve port 4, be provided with spool 6 in the spool chamber 3, run through on the spool 6 to be provided with by spring 10 and hold the valve rod 7 that moves trend in the maintenance, has the protruding attachment post of side on the lower end side face of valve rod 7, have opening up slot for the attachment post insertion on the side face of spool, slot axially arranges, under valve rod was in raised state, attachment post 7 was positioned at the top of slot, under the state that valve rod 7 moves down, attachment post is positioned at slot, just can be with the ovable valve stem rotation.Valve rod 7 move down the armature 51 that can promote simultaneously solenoid valve, the top of spool 6 is provided with opening up spring chamber 69, spring 10 is positioned at spring chamber 69, is arranged with on the valve rod 7 with spring chamber 69 inner circle walls and forms the second seal ring 9 that is sealed and matched.Have the burner kept burning day and night 32 that directly is communicated with spool chamber 3 on the sidewall of valve body 1, the flame interaction that produces by these burner 32 air feed kept burning day and night is in thermocouple, thermocouple in drawing less than demonstration.
Valve body 1 is comprised of valve casing 11, valve gap 12 and screw thread valve seat 13, valve gap 12 is fixed by screws on the upper-end surface of valve casing 11, the cavity that valve gap 12 and valve casing 11 form forms spool chamber 3, screw thread valve seat 13 is threaded in the lower end of valve casing 11, the cavity that screw thread valve seat 13 and valve casing 11 form forms electromagnetism valve pocket 2, suction port 21, air outlet 31 and burner kept burning day and night 32 are arranged on the valve casing 11, and valve rod 7 upper ends pass valve gap 12.
Shown in Fig. 5,6, be provided with shoulder hole 61 in the spool 6, have on the perisporium of shoulder hole 61 and axially run through spool 6 bottom surfaces and large fire hole 62 and at least one small fire hole 63,64 in order to be communicated with spool chamber 3 and air outlet 31, have the helping air supply hole 65 that communicates with large fire hole 62 on the aperture section sidewall of shoulder hole 61, helping air supply hole 65 has two.The lower end of valve rod 7 is provided with and can forms the first seal ring 8 that is sealed and matched with the macropore section of shoulder hole 61, under 6 times shifting states of spool, the first seal ring 8 leaves shoulder hole 61 downwards, helping air supply hole 65 is communicated with spool chamber 3, under spool 6 reset modes, the first seal ring 8 forms sealing with the macropore section inwall of shoulder hole 61, with being communicated with of blocking-up helping air supply hole 65 and spool chamber 3.
The periphery wall of spool 6 is provided with large oil trap 66 and at least one little oil trap 67,68, and large oil trap 66 communicates with large fire hole 62 and helping air supply hole 65, and little oil trap 67,68 communicates with corresponding small fire hole 63,64.
Small fire hole has two to be respectively the first small fire hole 63 and the second small fire hole 64, the first small fire hole 63 and the second small fire hole 64, the first small fire hole 63 is two holes that pore size is different with the second small fire hole 64, the aperture of the first small fire hole 63 is slightly larger than the aperture of the second small fire hole 64, the first small fire hole 63 uses as the moderate heat gear, and the second small fire hole 64 uses as little fire gear.Little oil trap has two, is respectively the first little oil trap 67 and the second little oil trap 68, and wherein the first small fire hole 63 communicates with the first little oil trap 67, and the second small fire hole 64 and the second little oil trap 68 communicate.
As shown in Figure 3, during igniting, press down and rotation valve rod 7, valve rod 7 band movable valve plugs 6 rotate to big fire and keep off, it is large fire hole 62, large oil trap 66, air outlet 31 and spool chamber 3 are communicated with, moving down of valve rod 7, make the first seal ring 8 on the valve rod 7 leave shoulder hole 61 downwards, helping air supply hole 65 is communicated with spool chamber 3, the armature 51 of the simultaneously lower end of valve rod 7 promotion solenoid valve moves down, armature 51 is opened valve port 4, electromagnetism valve pocket 2 and spool chamber 3 is communicated with, at this moment combustion gas one road from suction port 21 via valve port 4, spool chamber 3, large fire hole 62 and large oil trap 66, another road from suction port 21 via valve port 4, spool chamber 3, the macropore section of shoulder hole 61, helping air supply hole 65 and large oil trap 66, at last this two-way combustion gas all 31 is discharged air feed and is lighted a fire from the air outlet, and the two-way gas circuit provides sufficient combustion gas to igniting, guarantees the success rate of lighting a fire.
As shown in Figure 4, also have in addition the Third Road combustion gas to heat via valve port 4, spool chamber 3, burner kept burning day and night 32 rear thermocouples to linking to each other with solenoid valve 5 from suction port 21, thermocouple is under the heating of ever-burning flame, thermocouple produces electromotive force, and this electromotive force is added to coil the two poles of the earth of solenoid valve 5, and making has electric current by producing electromagnetic force in the coil, absorption armature 51, the spring force that armature 51 overcomes solenoid valve 5 moves down, and makes valve port 4 be in all the time open mode, guarantees that combustion gas is continuous.
After igniting finishes as need switch to moderate heat gear or little fire gear, only need again press down and rotation valve rod 7, the second oil trap 67 is communicated with air outlet 21, or the 3rd oil trap 68 is communicated with air outlet 21 and gets final product.
When fire is gone out by wind or other accident is extinguished, at this moment ever-burning flame is no longer heated to thermocouple, thermocouple no longer produces electromotive force, coil loses electric current, the armature 51 of solenoid valve upwards resets under spring action and blocks valve port 4, the connection of blocking-up electromagnetism valve pocket 2 and spool chamber 3, whole gas circuit cuts off, and prevents that combustion gas from leaking.
Claims (6)
1. the gas valve of helping air supply igniting, comprise the valve body (1) with electromagnetism valve pocket (2) and spool chamber (3), have the suction port (21) that is communicated with electromagnetism valve pocket (2) on the sidewall of valve body (1), and the air outlet (31) that is communicated with spool chamber (3), be communicated with by valve port (4) between electromagnetism valve pocket (2) and the spool chamber (3), be provided with the solenoid valve (5) that control signal is provided by thermocouple in the electromagnetism valve pocket (2), the armature of solenoid valve (51) can cover or open described valve port (4), be provided with spool (6) in the spool chamber (3), run through to be provided with by spring (10) holding the valve rod (7) that moves trend in the maintenance on the spool (6), valve rod (7) move down the armature (51) that can promote solenoid valve; It is characterized in that: be provided with shoulder hole (61) in the described spool (6), have on the perisporium of shoulder hole (61) and axially run through spool (6) bottom surface and in order to be communicated with large fire hole (62) and at least one small fire hole (63 of spool chamber (3) and air outlet (31), 64), have the helping air supply hole (65) that communicates with large fire hole (62) on the aperture section sidewall of shoulder hole (61), the lower end of described valve rod (7) is provided with and can forms the first seal ring (8) that is sealed and matched with the macropore section of shoulder hole (61), under the lower shifting state of spool (6), the first seal ring (8) leaves shoulder hole (61) downwards, described helping air supply hole (65) is communicated with spool chamber (3), under spool (6) reset mode, the macropore section inwall of described the first seal ring (8) and shoulder hole (61) forms sealing, with being communicated with of blocking-up helping air supply hole (65) and spool chamber (3); Have the burner kept burning day and night (32) that directly is communicated with spool chamber (3) on the sidewall of described valve body (1), the flame interaction that produces by this burner kept burning day and night (32) air feed is in described thermocouple.
2. the gas valve of helping air supply according to claim 1 igniting, it is characterized in that: the periphery wall of described spool (6) is provided with large oil trap (66) and at least one little oil trap (67,68), described large oil trap (66) communicates with large fire hole (62) and helping air supply hole (65), and described little oil trap (67,68) communicates with corresponding small fire hole (63,64).
3. the gas valve of helping air supply according to claim 2 igniting, it is characterized in that: described small fire hole has two to be respectively the first small fire hole (63) and the second small fire hole (64), described little oil trap has two, be respectively the first little oil trap (67) and the second little oil trap (68), wherein the first small fire hole (63) communicates with the first little oil trap (67), and the second small fire hole (64) and the second little oil trap (68) communicate.
4. the gas valve of helping air supply according to claim 1 igniting, it is characterized in that: described helping air supply hole (65) has two.
5. the gas valve of helping air supply according to claim 1 igniting, it is characterized in that: the top of described spool (6) is provided with opening up spring chamber (69), described spring (10) is positioned at spring chamber (69), is arranged with on the described valve rod (7) with spring chamber (69) inner circle wall and forms the second seal ring (9) that is sealed and matched.
6. the gas valve of helping air supply according to claim 1 igniting, it is characterized in that: described valve body (1) is by valve casing (11), valve gap (12) and screw thread valve seat (13) form, described valve gap (12) is fixed by screws on the upper-end surface of valve casing (11), the cavity that valve gap (12) and valve casing (11) form forms described spool chamber (3), described screw thread valve seat (13) is threaded in the lower end of valve casing (11), the cavity that screw thread valve seat (13) and valve casing (11) form forms described electromagnetism valve pocket (2), described suction port (21), air outlet (31) and burner kept burning day and night (32) are arranged on the valve casing (11), and described valve rod (7) upper end passes valve gap (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181104 CN203248782U (en) | 2013-04-11 | 2013-04-11 | Fuel gas valve assisting ignition through gas supplying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181104 CN203248782U (en) | 2013-04-11 | 2013-04-11 | Fuel gas valve assisting ignition through gas supplying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203248782U true CN203248782U (en) | 2013-10-23 |
Family
ID=49375221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320181104 Withdrawn - After Issue CN203248782U (en) | 2013-04-11 | 2013-04-11 | Fuel gas valve assisting ignition through gas supplying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203248782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216643A (en) * | 2013-04-11 | 2013-07-24 | 宁波朝阳家用燃气具有限公司 | Fuel gas valve for assisting gas supply and ignition |
| CN110242771A (en) * | 2019-07-05 | 2019-09-17 | 宁波来特燃气具有限公司 | The structure improved thermostat valve with ever-burning flame function |
-
2013
- 2013-04-11 CN CN 201320181104 patent/CN203248782U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216643A (en) * | 2013-04-11 | 2013-07-24 | 宁波朝阳家用燃气具有限公司 | Fuel gas valve for assisting gas supply and ignition |
| CN110242771A (en) * | 2019-07-05 | 2019-09-17 | 宁波来特燃气具有限公司 | The structure improved thermostat valve with ever-burning flame function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20141119 |
|
| RGAV | Abandon patent right to avoid regrant |