CN202393014U

CN202393014U - Water and gas linkage valve of gas water heater

Info

Publication number: CN202393014U
Application number: CN2011205119822U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-09
Filing date: 2011-12-09
Publication date: 2012-08-22
Anticipated expiration: 2021-12-09

Abstract

The utility model discloses a water and gas linkage valve, which comprises a gas valve, a water valve and a water and gas linkage device. The gas valve consists of a gas valve chamber, a gas valve spool, a long-burning fire hole and a long-burning fire combustor. The water and gas linkage valve is characterized in that the long-burning fire hole is communicated with the lower portion of the gas valve chamber, the outer end of the long-burning fire hole is convexly provided with a pipe hole disposed on the outer wall of the gas valve chamber, a through hole is disposed in the middle of the gas valve chamber, the gas valve spool is axially movably mounted in the gas valve chamber, and the gas valve is horizontally and rotationally opened and closed in an extraction manner so that a gas source is completely closed or a long-burning fire gas source is opened or the gas source is completely opened when the gas valve spool moves at different positions in the gas valve chamber. The long-burning fire hole is placed on the gas valve chamber, the gas valve can be horizontally and rotationally opened and closed in the extraction manner so that the gas source is completely closed or the long-burning fire gas source is opened or the gas source is completely opened by the aid of the gas valve spool, the long-burning fire combustor can be flexibly mounted at an optional position on a main fire combustor, the gas valve can be sealed in a multi-stage manner by the aid of the gas valve spool, and the water and gas linkage device is quite convenient in use.

Description

A kind of water and gas coupled valve of gas water heater

Technical field

The utility model relates to a kind of valve means, particularly a kind of combustion gas water and gas coupled valve of gas water heater.

Background technology

Existing combustion gas water and gas coupled valve of gas water heater mostly comprises: one by magnetic valve and can be in valve body translation regulate dividing plate, the aqueous vapor linkage that air valve that the gas valve core etc. of tolerance size forms has the water valve of water regulating valve with the Qi Nei device and is connected said water valve and air valve, and be connected with small fire burner (being the ever-burning flame assembly) on its air valve.During use, light ever-burning flame through igniter earlier, and then open water valve; Utilize intake pressure to promote the little axle of interlock and the valve in the air valve is backed down; Make gas circuit fully unimpeded and make and be full of combustion gas in the main chamber and light main fire, the aqueous vapor interstage valve of this structure is because its gas valve core mostly is only to have to flat turn to regulate the function of tolerance size in the process of using; Function singleness; And since its fire hole kept burning day and night mostly be arranged on the disk body of the escape pipe that is connected with main burner, so it when installing and using, must use with the main burner that is fixed with small fire burner on it; And can not make small fire burner can be installed on the optional position on the main burner neatly, install, use inconvenient.And the existing various gas heater that utilizes pulse firing, its aqueous vapor interstage valve is opened and is utilized intake pressure to promote the little axle of interlock behind the water valve and the valve in the air-valve device is backed down in the process of using; Make gas circuit fully unimpeded and make and be full of combustion gas in the main chamber, and then through the pulse ignition device igniting, although its use is more convenient; But its blemish in an otherwise perfect thing is to light a fire meeting appearance point ignition delay again owing to fill combustion gas earlier in the combustion chamber; Thereby be prone to produce the phenomenon of " firing "; Use dangerously, and its overall volume is bigger, so also be difficult to satisfy consumers in general's requirement.

Summary of the invention

The purpose of the utility model is to solve the problem of above-mentioned existence; Provide a kind of simple in structure, compact, volume is little, extremely easy to use, safety, and can make its small fire burner can be installed in the aqueous vapor interstage valve on the optional position on the main ignition combustor neatly.

The technical scheme of the utility model is achieved in that

The said water and gas coupled valve of gas water heater of the utility model; Comprise air valve, water valve and connect the dividing plate and the aqueous vapor linkage of said water valve and air valve; Wherein, Said air valve comprises the valve cage that is communicated with air inlet pipe and escape pipe and is positioned at the gas valve core of this valve cage and is connected in magnetic valve, the small fire burner assembly on this valve cage; Said small fire burner assembly comprises fire hole kept burning day and night and is connected in the ever-burning flame burner on this fire hole kept burning day and night through tracheae; Be characterized in said fire hole kept burning day and night for be communicated with said valve cage bottom and its outer end be convexly set in the pore on the said valve cage outer wall; The middle part of said valve cage be provided be communicated with escape pipe and can with the through hole of said gas valve core fitted seal, and said gas valve core makes air valve be in contract fully source of the gas state or opens ever-burning flame source of the gas state or standard-sized sheet is ventilated the source state takes out the core type switch of flatting turn for being installed in the said valve cage with axial motion and cooperating with said fire hole kept burning day and night and through hole on the diverse location in said valve cage.

Wherein, Seal and the envelope that above-mentioned gas valve core comprises the axle that is built-in with thimble, be installed on this axle bottom places on the above-mentioned valve cage port and which is provided with the keeper that can supply the axle sleeve that axle top is nested with and the both ends that are placed on this axle are respectively the back-moving spring of overhead on said seal and keeper; And a side device that is positioned at axle sleeve on the said keeper have one can above-mentioned thimble and axle be pressed to the strap cam of valve cage diverse location rotary switch, the mating reaction of said gas valve core through the eccentric cam on the said rotary switch and above-mentioned thimble and axle makes air valve be in the contract fully source of the gas or opens the ever-burning flame source of the gas or open main internal heat source state.

For further strengthening its reliability of structure; Above-mentioned valve cage is the little down big stepped body of; And the lower step place of this body upwards be provided with can with the bulge loop of above-mentioned gas valve core bottom fitted seal, the inner end of above-mentioned fire hole kept burning day and night is arranged in the annular groove of this bulge loop and the formation of valve cage inwall.

The utility model makes air valve be in contract fully source of the gas state respectively or opens ever-burning flame source of the gas state or standard-sized sheet is ventilated the source state takes out the flat turn structure of switch of core type owing to adopting the fire hole kept burning day and night that will be communicated with the valve cage bottom to be convexly set on the said valve cage outer wall and gas valve core being made as to be installed on axial motion in the valve cage; Thereby make this valve body in use; The ever-burning flame burner can be installed on the optional position on the main ignition combustor according to the installation needs neatly; Can make air valve realize the sealing of multistage adjustable type through gas valve core again simultaneously; Air valve was the main state that catches fire when soon gas valve core was screwed to the left side; For some ever-burning flame state, be contract fully source of the gas state when being screwed to the right in the time of in the middle of being screwed to, extremely easy to use.And because the utility model adopts the gas valve core structure that places the rotary switch etc. of keeper, back-moving spring, strap cam on the above-mentioned valve cage port to form by the axle that is built-in with thimble and the seal that is installed on this axle bottom and envelope, its compact conformation, reliably, volume is little, easy to use.Because it also adopts the structure that the inner end of fire hole kept burning day and night is arranged in the sealing bulge loop and the annular groove that the valve cage inwall forms of valve cage, further strengthened its reliability of structure in addition.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the main TV structure sketch map of the utility model;

Fig. 2 is the assembly structure sketch map of Fig. 1;

Fig. 3 is the A-A sectional structure sketch map of the utility model.

The specific embodiment

Shown in Figure 3 like Fig. 1 one; The said water and gas coupled valve of gas water heater of the utility model; Comprise air valve 1, water valve 2 and connect the dividing plate 3 and the aqueous vapor linkage of said water valve 2 and air valve 1; Wherein, Said air valve 1 comprises the valve cage 13 that is communicated with air inlet pipe 11 and escape pipe 12 and is positioned at gas valve core 14, the magnetic valve 15 of this valve cage 13 and is connected in the small fire burner assembly on this valve cage 13; Said small fire burner assembly comprises fire hole 16 kept burning day and night and is connected in the ever-burning flame burner on this fire hole 16 kept burning day and night through tracheae; For make the utility model install, easy to use, said fire hole 16 kept burning day and night for is communicated with said valve cage 13 bottoms and its outer end be convexly set in the pore on said valve cage 13 outer walls, the middle part of said valve cage 13 be provided be communicated with escape pipe 12 also can with the through hole 131 of said gas valve core 14 fitted seal; And said gas valve core 14 makes air valve 1 be in contract fully source of the gas state or opens ever-burning flame source of the gas state or standard-sized sheet is ventilated the source state takes out the core type switch of flatting turn for being installed on axial motion on the diverse locations in the said valve cage 13 and said valve cage 13 in to cooperate with said fire hole 16 kept burning day and night and through hole 131; Thereby make this valve body in use, the ever-burning flame burner can be installed on the optional position of main ignition combustor according to the installation needs neatly, can make air valve 1 realize the sealing of multistage adjustable type through operation gas valve core 14 again simultaneously; Air valve was the main state that catches fire when soon gas valve core 14 was screwed to the left side; For some ever-burning flame state, be contract fully source of the gas state when being screwed to the right in the time of in the middle of being screwed to, extremely easy to use.

Shown in Figure 3 like Fig. 2 one; Above-mentioned gas valve core 14 comprises that the axle 141 that is built-in with thimble 1411, the seal 142 that is installed on these axle 14 bottoms and envelope place on above-mentioned valve cage 13 port and which is provided with the keeper 143 that can supply the axle sleeve that axle 141 tops are nested with and be placed on this axle 141 and its both ends are respectively the back-moving spring 144 of overhead on said seal 142 and keeper 143; And a side device that is positioned at axle sleeve on the said keeper 143 have one can above-mentioned thimble 1411 and axle 141 be pressed to the strap cam 1451 of valve cage 13 diverse locations rotary switch 145; The side that said axle sleeve is positioned at said rotary switch 145 has axial notch; The upper end of said axle 141 be provided be placed through in the said notch and can be through the card of radial location axle 141 is protruding with the routing motion of the waveform flange of said rotary switch 145 bottoms; The centre of said thimble 1411 is provided with coil tension spring, and the mating reaction of said gas valve core 14 through the protruding axle 141 of the cam on the said rotary switch 145 1451 and flange and above-mentioned thimble 1411 and band card makes air valve 1 be in contract fully source of the gas or unlatching ever-burning flame source of the gas or open main internal heat source state.For further strengthening its reliability of structure; Above-mentioned valve cage 13 is the little down big stepped body of; And the lower step place of this body upwards be provided with can with the bulge loop 132 of above-mentioned gas valve core 14 bottom fitted seal, the inner end of above-mentioned fire hole 16 kept burning day and night is arranged in the annular groove that this bulge loop 132 and valve cage 13 inwalls form.Above-mentioned seal 142 comprises the locating ring 1421 that is installed on above-mentioned axle 141 bottoms and is embedded at the O-ring seal 1422 on this locating ring 1421; And for making its air-tightness more firm, being positioned at the position that said O-ring seal 1422 slides up and down in the above-mentioned valve cage 13 is up-small and down-big horn-like cavity.The O-ring seal 1422 that in the utility model, is used for closing air-channel system in fact is the cushion rubbers with two functions, and promptly it radially can close main fire, but the axial total source of the gas of contract fully.Above-mentioned magnetic valve 15 is for having the thermocouple magnetic valve of blowout protection effect, in the process of using, closes source of the gas automatically and can avoid the generation of accident like the flame-out then magnetic valve 15 of accident.Be constant current, avoid current fluctuations, stablize big or small discharge and stablize big or small water starting, but above-mentioned water valve 2 comprise communicate with water inlet pipe and left-right rotation with the water valve core 21 of regulating pondage size and be used for the voltage-stablizer 22 of stationary flow.Above-mentioned aqueous vapor linkage comprises the barrier film promotion dish 4 that is connected on the above-mentioned water valve 2, is installed on the synchronous valve 6 of aqueous vapor in the above-mentioned venthole 12 and is connected in said valve 6 and the little axle 5 of the interlock of barrier film promotion dish 4.

Below the operation principle of the utility model is described in further detail:

As shown in Figure 3, before the use, air valve 1 is in totally-enclosed source of the gas position.At first opening gas valve during use makes combustion gas pass through the air inlet pipe 11 entering valve cages 13 of air valve 1; The rotary switch 145 on the gas valve core 14 is twisted on a left side then; The flange bottom of the cam 1451 of the thimble 1411 in the axle 141 from this rotary switch 145 slides to its flange centre position; O-ring seal 1422 on the seal 142 just blocks up and places through hole 131 positions on the valve cage 13 at this moment; Combustion gas can communicate with fire hole 16 kept burning day and night through the annular grooves in the valve cage 13, that is to say it is to make air valve 1 be in the state of an ever-burning flame at this moment, lights ever-burning flame magnetic valve 15 is opened.Open water intaking valve then; Water gets into water valve 2 through water inlet pipe; Utilize intake pressure that barrier film promotion dish 4 is produced pressure; The valve 5 that promotes the little axle 5 of interlock to move forward and back down in the escape pipe 12 makes the gas circuit of escape pipe 12 unimpeded fully, begins to get into duty, and then operates each item performance through gas valve core 14.The aqueous vapor linkage will stop at closed condition when closing the water source fully or not reaching certain hydraulic pressure.Like this that I guess the first road valve magnetic valve open ingeniously, if do not have water or the not enough water heater of hydraulic pressure to remain and can't work, so the utility model has the dual security protection function.Continue a left side and twist the rotary switch 145 on the gas valve core 14; The upper end of thimble 1411 is gone up sliding until breaking away from lugs position again again along the flange centre position of the eccentric cam on the rotary switch 145 1451; Simultaneously thimble 1411 is corresponding drives on the O-ring seal 1422 that is jammed in valve cage 13 through holes 131 positions slidingly and make air valve 1 be in standard-sized sheet ventilation source position, and main position promptly catches fire.And after using; Again can be through forcing the thimble 1411 in the axle 141 to go back to the bottom that slides to flange again 145 right the twisting of the rotary switch on the gas valve core 14 along the flange top of these rotary switch 145 overhead cams 1451; Simultaneously axle 141 and on seal 142 corresponding downslides seal 142 is stifled reliably to place bulge loop 132 positions in the valve cage 13 until making; This moment, air valve 1 was got back to original totally-enclosed source of the gas position again, so extremely easy to use, safety has vast market prospect.

Claims

1. water and gas coupled valve of gas water heater; Comprise air valve (1), water valve (2) and connect said water valve (2) and the dividing plate (3) and the aqueous vapor linkage of air valve (1); Wherein, Said air valve (1) comprises valve cage (13) that is communicated with air inlet pipe (11) and escape pipe (12) and the gas valve core (14) that is positioned at this valve cage (13) and is connected in magnetic valve (15), the small fire burner assembly on this valve cage (13); Said small fire burner assembly comprises fire hole kept burning day and night (16) and is connected in the ever-burning flame burner on this fire hole kept burning day and night (16) through tracheae; It is characterized in that said fire hole kept burning day and night (16) for be communicated with said valve cage (13) bottom and its outer end be convexly set in the pore on said valve cage (13) outer wall; The middle part of said valve cage (13) be provided be communicated with escape pipe (12) and can with the through hole (131) of said gas valve core (14) fitted seal, and said gas valve core (14) makes air valve (1) be in contract fully source of the gas state or opens ever-burning flame source of the gas state or standard-sized sheet is ventilated the source state takes out the core type switch of flatting turn for being installed in the said valve cage (13) with axial motion and cooperating with said fire hole kept burning day and night (16) and through hole (131) on the diverse location in said valve cage (13); Above-mentioned gas valve core (14) comprise the axle (141) that is built-in with thimble (1411), the seal (142) that is installed on this axle (14) bottom and envelope place on above-mentioned valve cage (13) port and which is provided with the keeper (143) that can supply the axle sleeve that axle (141) top is nested with and the both ends that are placed on this axle (141) are respectively the back-moving spring (144) of overhead on said seal (142) and keeper (143); And a side device that is positioned at axle sleeve on the said keeper (143) have one can above-mentioned thimble (1411) and axle (141) be pressed to the strap cam (1451) of valve cage (13) diverse location rotary switch (145), the mating reaction of said gas valve core (14) through the cam (1451) on the said rotary switch (145) and above-mentioned thimble (1411) and axle (141) makes air valve (1) be in the contract fully source of the gas or opens the ever-burning flame source of the gas or standard-sized sheet ventilation source state; The side that axle sleeve on the above-mentioned keeper (143) is positioned at above-mentioned rotary switch (145) has axial notch; Above-mentioned rotary switch (145) bottom is provided with the waveform flange, and the upper end of above-mentioned axle (141) is provided with and is placed through in the said notch and can be through the card of radial location axle (141) is protruding with the mating reaction of rotary switch (145) lower flange.

2. aqueous vapor interstage valve according to claim 1; It is characterized in that above-mentioned valve cage (13) is the little down big stepped body of; And the lower step place of this body be provided with can with the bulge loop (132) of above-mentioned gas valve core (14) bottom fitted seal, the inner end of above-mentioned fire hole kept burning day and night (16) is arranged in the annular groove that this bulge loop (132) and valve cage (13) inwall form.

3. aqueous vapor interstage valve according to claim 2; It is characterized in that above-mentioned seal (142) comprises the locating ring (1421) of the band groove that is installed on above-mentioned axle (141) bottom and is embedded at the O-ring seal (1422) in this locating ring (1421) annular groove, and the position that is positioned at the upper and lower slip of said O-ring seal (1422) in the above-mentioned valve cage (13) is up-small and down-big horn-like cavity.

4. aqueous vapor interstage valve according to claim 1 is characterized in that above-mentioned magnetic valve (15) is for having the thermocouple magnetic valve of blowout protection effect.

5. aqueous vapor interstage valve according to claim 1, it is characterized in that above-mentioned water valve (2) but comprise communicate with water inlet pipe and left-right rotation with the water valve core (21) of regulating pondage size and be used for the voltage-stablizer (22) of stationary flow.

6. aqueous vapor interstage valve according to claim 1, it is characterized in that above-mentioned aqueous vapor linkage comprise hydraulic diaphragm promotion dish (4), the synchronous valve of aqueous vapor (6) that is arranged in above-mentioned venthole (12) that is connected on the above-mentioned water valve (2) and be connected in said valve (6) and barrier film promotion dish (4) on the little axle of interlock (5).