CN213810732U

CN213810732U - Switch valve, ignition system and gas appliance

Info

Publication number: CN213810732U
Application number: CN202022352296.7U
Authority: CN
Inventors: 何学明; 周仕书; 李德洪; 邓显敏; 麦广智
Original assignee: Changqing Thermal Energy Technology Zhongshan Co Ltd
Current assignee: Changqing Thermal Energy Technology Zhongshan Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-27
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a switching valve and ignition system who has this switching valve and the gas utensil that has this ignition system, the switching valve includes the valve main part, the valve rod, micro-gap switch, trigger piece and time delay control module, be equipped with inlet channel and air outlet channel in the valve main part, the valve rod is connected with the valve main part and can control the break-make between inlet channel and the air outlet channel, micro-gap switch is equipped with one and connects in the valve main part, trigger piece correspondence is equipped with one and connects in the valve rod, the valve rod can trigger micro-gap switch through triggering the piece, micro-gap switch is used for opening and close with electrical part electric connection and can control the electrical part, time delay control module is used for closing with firing subassembly electric connection and can control firing subassembly delay preset time. The utility model has the advantages of simple and reasonable structure, the production of being convenient for is used.

Description

Switch valve, ignition system and gas appliance

Technical Field

The utility model relates to a gas equipment field, in particular to ooff valve, ignition system and gas utensil.

Background

The existing gas appliance generally comprises a switch valve, a microswitch, an ignition assembly and the like, wherein the switch valve is connected in a pipeline system of gas, the ignition assembly is connected to the burner, the microswitch is arranged on the switch valve and electrically connected with the ignition assembly, and the switch valve is opened to trigger the microswitch to control the ignition assembly to perform ignition operation when the gas enters the pipeline system. Present gas utensil, learn the user state of gas utensil for the person of facilitating the use, generally still be provided with the pilot lamp that is used for showing the user state on it, among the prior art, generally can be equipped with two micro-gap switches on the ooff valve, one of them micro-gap switch is used for controlling ignition assembly, another then is used for controlling other electrical parts such as pilot lamp or air discharge fan, and also need to correspond on the ooff valve and be equipped with two trigger pieces, two trigger pieces are respectively to being applied to and trigger two micro-gap switches, but such setting mode leads to the structure of ooff valve to become comparatively complicated, and manufacturing cost is higher, be unfavorable for production and application.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a switch valve, its simple structure is reasonable, the production of being convenient for is used.

The utility model discloses still provide an ignition system who has this ooff valve.

The utility model also provides a gas utensil that has this ignition system.

The switch valve according to the embodiment of the first aspect of the utility model comprises a valve main body, a valve rod, a micro switch, a trigger piece and a time delay control module, the valve body is provided with an air inlet channel and an air outlet channel, the valve rod is connected with the valve body and can control the connection and disconnection between the air inlet channel and the air outlet channel, the trigger piece is connected with the valve rod, the micro switch is connected with the valve main body, one micro switch is arranged, one trigger piece is correspondingly arranged, the valve rod can trigger the micro switch through the trigger piece, the microswitch is electrically connected with the ignition assembly and can control the ignition assembly to be turned on or off, the microswitch is electrically connected with the electric device and can control the electric device to be turned on or off, the delay control module is used for being electrically connected with the ignition assembly and controlling the ignition assembly to be closed after delaying preset time.

According to the utility model discloses the ooff valve, it has following beneficial effect at least: during the use, inlet channel and outlet channel connect respectively in the pipe-line system of gas, micro-gap switch respectively with electrical part and ignition element electric connection, time delay control module and ignition element electric connection, make the intercommunication ventilate between inlet channel and the outlet channel through the valve rod, the valve rod triggers micro-gap switch through the trigger piece simultaneously, micro-gap switch makes ignition element and electrical part start, and make the ignition element who starts close after postponing the default time through time delay control module, realize the operation of igniteing and start-up electrical part. The utility model discloses a micro-gap switch all only is equipped with one with the trigger piece, and simple structure is reasonable, can conveniently realize starting when ignition module and electrical part to can conveniently realize the independent of ignition module and close, the production of being convenient for is used.

According to some embodiments of the utility model, micro-gap switch has the switch shell fragment, trigger including dodging portion and butt portion, butt portion can support press in the switch shell fragment, the valve rod can drive trigger removes and makes butt portion with the separation of switch shell fragment, it can be right to dodge the portion switch shell fragment dodges. When the ooff valve is in non-user state, the butt portion of trigger supports and presses in micro-gap switch's switch shell fragment, when igniting the operation and starting the electrical part operation, press down the valve rod and make the valve rod remove, the valve rod drives the trigger and removes, make butt portion and the separation of switch shell fragment, the switch shell fragment resets, dodge the portion and dodge the switch shell fragment, micro-gap switch is triggered, ignition assembly and electrical part start simultaneously, rotate the valve rod afterwards, make inlet channel and outlet channel intercommunication, the gas is exported to the combustor through pipe-line system, be lighted by ignition assembly, start ignition assembly earlier, the gas of lighting is ventilated afterwards, can improve the safety in utilization of gas, reduce the possibility that the gas leaked.

According to some embodiments of the utility model, the trigger piece pass through the joint structure and the joint in on the valve rod. The clamping connection between the trigger piece and the valve rod can facilitate the installation and the disassembly of the trigger piece, and is convenient for production and maintenance.

According to some embodiments of the utility model, be equipped with the case passageway in the valve main part, the case passageway respectively with inlet channel with outlet channel communicates, the one end activity of valve rod is inserted and is located the case passageway is connected with the cock case, the valve rod can be relative the valve main part reciprocates, the valve rod can drive the cock case rotates, the cock case can make inlet channel with communicate between the outlet channel or close. Through setting up the cock case, the valve rod drives the cock case and rotates and pass through the break-make between cock case control inlet channel and the air outlet channel, its simple structure, convenient to use.

According to some embodiments of the utility model, be equipped with on the valve rod and be located the connecting portion of case passageway, it supplies to correspond to be equipped with on the plug case connecting portion male spread groove. During the use, the valve rod moves and makes connecting portion insert to the spread groove to make the valve rod drive the cock case and rotate, its simple structure can make things convenient for and realize the linkage between valve rod and the cock case.

According to some embodiments of the utility model, the valve rod with be connected with the elastic component between the case, the valve rod can be in under the effect of elastic component upwards remove. Through setting up the elastic component, when pressing down the valve rod and moving down, compression elastic component removes the back of pressing to the valve rod, and the valve rod can be in the effect of elastic component rebound down and reset, and its simple structure just makes things convenient for the reseing of valve rod, facilitates the use.

According to the utility model discloses an ignition system of second aspect embodiment, it includes ignition assembly, electrical part and according to the utility model discloses the ooff valve of above-mentioned first aspect embodiment, micro-gap switch with electrical part electric connection, micro-gap switch with ignition assembly electric connection, time delay control module with ignition assembly electric connection.

According to the utility model discloses ignition system, it has following beneficial effect at least: through adopting foretell ooff valve, its simple structure is reasonable, can conveniently realize starting when ignition subassembly and electrical part to can conveniently realize the independent of ignition subassembly and close, be convenient for produce and use.

According to a third aspect embodiment of the present invention, a gas appliance is provided, comprising an ignition system according to the above second aspect embodiment of the present invention.

According to the utility model discloses gas utensil, it has following beneficial effect at least: through adopting foretell ignition system, its simple structure is reasonable, can conveniently realize starting when ignition subassembly and electrical part to can conveniently realize the independent of ignition subassembly and close, be convenient for produce and use.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a switching valve according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view of the on-off valve of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the on-off valve of FIG. 2 in a use state;

fig. 4 is a partially exploded view of the switching valve of fig. 1.

Reference numerals:

a valve body 100, a first housing 101, a second housing 102, an inlet passage 110, an outlet passage 120, a spool passage 130;

the valve stem 200, the connecting portion 210, the first engagement piece 220, and the second engagement piece 230;

a microswitch 300 and a switch dome 310;

the cock spool 400, the coupling groove 410, the elastic member 420, the coupling passage 430;

a trigger 500, an escape portion 510, and an abutment portion 520.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by the upper and lower parts are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, a switching valve includes a valve body 100, a valve stem 200, a micro switch 300, a trigger 500 and a delay control module, the valve body 100 is provided with an air inlet passage 110 and an air outlet passage 120, the valve stem 200 is connected to the valve body 100 and can control on/off between the air inlet passage 110 and the air outlet passage 120, the trigger 500 is connected to the valve stem 200, the micro switch 300 is connected to the valve body 100, one micro switch 300 is provided, the trigger 500 is correspondingly provided, the valve stem 200 can trigger the micro switch 300 through the trigger 500, the micro switch 300 is electrically connected to an ignition assembly and can control on/off of the ignition assembly, the micro switch 300 is electrically connected to the ignition assembly and can control on/off of an electric device, and the delay control module is electrically connected to the ignition assembly and can control the ignition assembly to be turned off after delaying a preset time.

It can be understood that, as shown in fig. 1, 2 and 3, the valve body 100 includes a first housing 101 and a second housing 102, and the inlet passage 110 and the outlet passage 120 are provided to the second housing 102. During the use, the electrical part can be the pilot lamp, inlet channel 110 and outlet channel 120 are connected respectively in the pipe-line system of gas, micro-gap switch 300 respectively with pilot lamp and ignition assembly electric connection, time delay control module and ignition assembly electric connection, make the intercommunication ventilate between inlet channel 110 and the outlet channel 120 through valve rod 200, valve rod 200 triggers micro-gap switch 300 through trigger 500 simultaneously, micro-gap switch 300 makes ignition assembly and pilot lamp start, and make the ignition assembly who starts close after postponing the preset time through time delay control module, realize the ignition and light operation. The utility model discloses a micro-gap switch 300 and trigger piece 500 all only are equipped with one, and simple structure is reasonable, can conveniently realize starting when ignition assembly and pilot lamp to can conveniently realize ignition assembly's independent closing, the production of being convenient for is used.

In practical application, the electric device can also be an exhaust fan and the like, the switch valve can be a ball valve or a plug valve and the like, and the specific structure of the switch valve can be correspondingly set according to actual use requirements without limitation.

In some embodiments, the micro switch 300 has the switch dome 310, the trigger 500 includes an avoiding portion 510 and an abutting portion 520, the abutting portion 520 can be pressed against the switch dome 310, the valve rod 200 can drive the trigger 500 to move so as to separate the abutting portion 520 from the switch dome 310, and the avoiding portion 510 can avoid the switch dome 310.

It can be understood that, as shown in fig. 2, when the switching valve is in a non-use state, the abutting portion 520 of the trigger 500 abuts against the switch shrapnel 310 of the micro switch 300, and the ignition operation and the operation of the electric device are performed, as shown in fig. 3, the valve rod 200 is pressed to move the valve rod 200 downward, the valve rod 200 drives the trigger 500 to move downward, so that the abutting portion 520 is separated from the switch shrapnel 310, the switch shrapnel 310 is reset due to the release of the pressing, the avoiding portion 510 avoids the switch shrapnel 310, the micro switch 300 is triggered, the ignition assembly and the electric device are simultaneously started, and then the valve rod 200 is rotated to communicate the air inlet channel 110 with the air outlet channel 120, and the gas is output to the burner through the pipeline system and ignited by the ignition assembly. The ignition assembly is started firstly, then the gas is ignited by ventilation, the use safety of the gas can be improved, the possibility of gas leakage is reduced, meanwhile, the electric device can be an indicating lamp, the indicating lamp is started when the ignition assembly is started, and the use state of the gas appliance can be known by a user.

In practical applications, the specific structure of the trigger 500 may also be changed according to practical needs, and the type of the micro switch 300 may also be selected according to practical needs, since other configurations of the micro switch 300 according to the embodiments of the present invention are known to those skilled in the art, and therefore will not be described in detail herein.

In some embodiments, the trigger 500 is snapped onto the valve stem 200 by a snap-fit arrangement. The clamping connection between the trigger 500 and the valve rod 200 can facilitate the installation and disassembly of the trigger 500, and facilitate the production and maintenance.

It can be understood that, as shown in fig. 1, fig. 2 and fig. 4, the clamping structure includes a first clamping piece 220 and a second clamping piece 230, one end of the trigger 500 is sleeved on the valve rod 200, a clamping slot corresponding to the first clamping piece 220 and the second clamping piece 230 is disposed on the valve rod 200, and the first clamping piece 220 and the second clamping piece 230 are clamped on the valve rod 200 and respectively located above and below the trigger 500, so as to clamp the trigger 500 therein and clamp the trigger 500 on the valve rod 200. During practical application, the clamping structure can be changed correspondingly according to practical use requirements, for example, a clamping groove is formed in the trigger 500 and on the clamping valve rod 200, and the limitation is not made.

In some embodiments, the valve body 100 is provided with a valve core channel 130, the valve core channel 130 is respectively communicated with the air inlet channel 110 and the air outlet channel 120, one end of the valve rod 200 is movably inserted into the valve core channel 130 and is connected with the plug valve core 400, the valve rod 200 can move up and down relative to the valve body 100, the valve rod 200 can drive the plug valve core 400 to rotate, and the plug valve core 400 can enable the air inlet channel 110 and the air outlet channel 120 to be communicated or closed.

It can be understood that, as shown in fig. 1 and fig. 2, the first housing 101 and the second housing 102 are connected and matched to form the valve core channel 130, the valve core channel 130 is disposed in the valve core channel 130, the connection channel 430 is disposed on the valve core channel 130, the valve rod 200 drives the plug valve core 400 to rotate by disposing the plug valve core 400, and the plug valve core 400 rotates to connect or close the inlet channel 110 and the outlet channel 120 through the connection channel 430, so that the connection and disconnection between the inlet channel 110 and the outlet channel 120 are controlled by the plug valve core 400, and the structure is simple and convenient to use. In practical applications, the specific structures of the valve core channel 130 and the plug valve core 400 can be set according to practical application requirements, and the plug valve core 400 can be provided with connecting channels 430 with different sizes to adjust and change the ventilation amount, which is not limited herein.

In some embodiments, the stem 200 is provided with a coupling portion 210 at the spool passage 130, and the plug 400 is correspondingly provided with a coupling groove 410 into which the coupling portion 210 is inserted. It will be appreciated that, as shown in fig. 2, 3 and 4, in use, the valve stem 200 moves downward to insert the connecting portion 210 into the connecting groove 410, so that the valve stem 200 can drive the plug core 400 to rotate, and the structure is simple, which can facilitate the linkage between the valve stem 200 and the plug core 400. In practical applications, the specific structures of the connection portion 210 and the connection groove 410 may be set according to practical use requirements, and the linkage between the valve stem 200 and the plug core 400 may also be implemented by providing the connection portion 210 on the plug core 400 and providing the connection groove 410 on the valve stem 200, which is not limited herein.

In some embodiments, a resilient member 420 is connected between the valve stem 200 and the valve core, and the valve stem 200 can move upward under the action of the resilient member 420. It can be understood that, as shown in fig. 2, 3 and 4, an elastic member 420 is connected between the valve rod 200 and the valve core, the elastic member 420 is a spring, by providing the elastic member 420, when the valve rod 200 is pressed to move downwards, the elastic member 420 is compressed, and after the pressing of the valve rod 200 is released, the valve rod 200 can move upwards to reset under the action of the elastic member 420, and the valve rod 200 is simple in structure, convenient to reset and convenient to use. In practical applications, the specific connection manner of the elastic member 420 can be set according to practical usage requirements, and is not limited herein.

According to the utility model discloses an ignition system of second aspect embodiment, it includes ignition assembly, electrical part and according to the utility model discloses the ooff valve of above-mentioned first aspect embodiment, micro-gap switch 300 and electrical part electric connection, micro-gap switch 300 and ignition assembly electric connection, time delay control module and ignition assembly electric connection.

According to the utility model discloses ignition system, through adopting foretell ooff valve, its simple structure is reasonable, can conveniently realize starting when ignition module and electrical part to can conveniently realize the independent of ignition module and close, the production of being convenient for is used.

In practical application, the electric device may be an indicator light or an exhaust fan, and the like, which is not limited herein; since other configurations of the ignition system of the embodiments of the present invention are known to those of ordinary skill in the art, they will not be described in detail herein.

According to a third aspect embodiment of the present invention, a gas appliance includes an ignition system according to the above second aspect embodiment of the present invention.

According to the utility model discloses gas utensil, through adopting foretell ignition system, its simple structure is reasonable, can conveniently realize starting when ignition module and electrical part to can conveniently realize the independent of ignition module and close, the production of being convenient for is used.

Since other configurations of the gas appliance of the embodiments of the present invention are known to those of ordinary skill in the art, they will not be described in detail herein.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A switch valve comprises a valve main body (100), a valve rod (200), a microswitch (300) and a trigger piece (500), wherein an air inlet channel (110) and an air outlet channel (120) are arranged on the valve main body (100), the valve rod (200) is connected with the valve main body (100) and can control the connection and disconnection between the air inlet channel (110) and the air outlet channel (120), the trigger piece (500) is connected with the valve rod (200), the microswitch (300) is connected with the valve main body (100), the switch valve is characterized by further comprising a delay control module, one microswitch (300) is arranged, one trigger piece (500) is correspondingly arranged, the valve rod (200) can trigger the microswitch (300) through the trigger piece (500), and the microswitch (300) is electrically connected with an ignition assembly and can control the on and off of the ignition assembly, the micro switch (300) is used for being electrically connected with an electric device and controlling the on-off of the electric device, and the delay control module is used for being electrically connected with the ignition assembly and controlling the ignition assembly to be turned off after delaying preset time.

2. The switch valve according to claim 1,

the microswitch (300) is provided with a switch shrapnel (310), the trigger piece (500) comprises an avoiding part (510) and a butting part (520), the butting part (520) can be abutted against the switch shrapnel (310), the valve rod (200) can drive the trigger piece (500) to move so as to enable the butting part (520) to be separated from the switch shrapnel (310), and the avoiding part (510) can avoid the switch shrapnel (310).

3. The switch valve according to claim 1,

the trigger piece (500) is clamped on the valve rod (200) through a clamping structure.

4. The switch valve according to claim 1,

the improved gas outlet valve is characterized in that a valve core channel (130) is arranged on the valve main body (100), the valve core channel (130) is communicated with the gas inlet channel (110) and the gas outlet channel (120) respectively, one end of the valve rod (200) is movably inserted into the valve core channel (130) and connected with a plug valve core (400), the valve rod (200) can move up and down relative to the valve main body (100), the valve rod (200) can drive the plug valve core (400) to rotate, and the plug valve core (400) can enable the gas inlet channel (110) and the gas outlet channel (120) to be communicated or closed.

5. The switch valve according to claim 4,

the plug valve comprises a valve rod (200), a valve core channel (130) and a plug valve core (400), wherein a connecting part (210) located in the valve core channel (130) is arranged on the valve rod (200), and a connecting groove (410) for inserting the connecting part (210) is correspondingly arranged on the plug valve core (400).

6. The switch valve according to claim 4,

an elastic member (420) is connected between the valve rod (200) and the plug core (400), and the valve rod (200) can move upwards under the action of the elastic member (420).

7. An ignition system comprising an ignition assembly, an electrical device and a switch valve according to any one of claims 1 to 6, wherein the microswitch (300) is electrically connected to the electrical device, the microswitch (300) is electrically connected to the ignition assembly and the delay control module is electrically connected to the ignition assembly.

8. Gas appliance, characterized in that it comprises an ignition system according to claim 7.