CN219366883U

CN219366883U - Gas plug valve

Info

Publication number: CN219366883U
Application number: CN202320362391.6U
Authority: CN
Inventors: 梁垚垚; 梁圣佶; 王振华; 潘赛斌; 盛华龙
Original assignee: Zhejiang Xintao Intelligent Control Technology Co ltd
Current assignee: Zhejiang Xintao Intelligent Control Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-18
Anticipated expiration: 2033-02-23

Abstract

The application discloses a gas plug valve includes: the valve body comprises a valve seat with an air distribution cavity and a valve cover for sealing the air distribution cavity, and an air inlet channel and an air outlet channel which are intersected with the air distribution cavity are arranged in the valve seat; the valve core is rotationally assembled in the gas distribution cavity; the valve rod penetrates through the valve cover and is combined with the valve core and is used for driving the valve core to rotate; the valve rod is provided with a radial convex shifting fork piece which triggers the first micro switch to be switched on or off in the rotating process. The shifting fork piece on the valve rod is turned on or off along with the valve rod in the rotating process, the structure is simplified relative to the existing knot design, and the operation is convenient.

Description

Gas plug valve

Technical Field

The application relates to the technical field of accessories of gas stoves, in particular to a gas plug valve.

Background

The plug valve is a device for realizing ignition in a gas stove, and when the integrated stove is used, a user needs to press a valve rod of the plug valve and rotate anticlockwise to realize ignition operation. The existing part of gas stoves can simultaneously perform ignition and fan switch control operation through a plug valve, for example, a plug valve assembly with three micro switches is disclosed in Chinese patent literature with the application number of CN201921134018.5, and comprises a valve body, a valve rod, a micro switch group and a push plate group, wherein the valve rod drives the push plate group to control the connection and disconnection of the micro switch group, so that the ignition and the fan opening of a stove are realized. However, a push plate group structure (i.e. a transmission structure) is additionally arranged in the structure to control the switch of the fan, so that the structure of the plug valve is complex and not simplified enough.

Disclosure of Invention

In order to solve the technical problem, the application discloses a gas plug valve, include:

the valve body comprises a valve seat with an air distribution cavity and a valve cover for sealing the air distribution cavity, and an air inlet channel and an air outlet channel which are intersected with the air distribution cavity are arranged in the valve seat;

the valve core is rotationally assembled in the gas distribution cavity;

the valve rod penetrates through the valve cover and is combined with the valve core and is used for driving the valve core to rotate;

the valve rod is provided with a radial convex shifting fork piece which triggers the first micro switch to be switched on or off in the rotating process.

The following provides several alternatives, but not as additional limitations to the above-described overall scheme, and only further additions or preferences, each of which may be individually combined for the above-described overall scheme, or may be combined among multiple alternatives, without technical or logical contradictions.

Optionally, the shifting fork member is arranged at a part of the valve rod in the valve body.

Optionally, a notch matched with the shifting fork member is arranged at the top of the valve core so as to realize the combination of the valve core and the valve rod.

Optionally, the valve cover has a cavity for accommodating the shifting fork member, and the first micro switch has a spring plate partially extending into the cavity.

Optionally, when the gas plug valve is in a closed state, the valve rod is in a zero-degree angle position, the shifting fork member triggers the first micro switch to be turned on, and when the valve rod rotates to leave the zero-degree angle position, the first micro switch is turned off.

Optionally, the valve cover has a first limit portion that cooperates with the fork member such that the valve stem is in a zero degree angular position.

Optionally, the valve cover is provided with a second limiting part which is matched with the shifting fork piece to limit the rotation angle range of the valve rod.

Optionally, the valve cover has a guide sleeve in clearance fit with the valve stem.

Optionally, a second micro switch is arranged on the valve body, and a trigger piece for starting the second micro switch in the pressing process is arranged on the valve rod.

Optionally, the inside of valve body is provided with runs through the case with the thimble that the valve rod links up, with the elastic component that acts on the thimble, the solenoid valve of control inlet channel break-make and the driving medium that transmits the push-down effort of valve rod from the thimble to the solenoid valve.

The application also provides a gas plug valve, including:

the valve body comprises a valve seat with an air distribution cavity and a valve cover for sealing the air distribution cavity, an air inlet channel and an air outlet channel which are intersected with the air distribution cavity are arranged in the valve seat, and an air inlet and an air outlet are formed in the side wall of the valve body by the air inlet channel and the air outlet channel;

the valve core is rotationally assembled in the gas distribution cavity;

the valve rod penetrates through the valve cover and is combined with the valve core to drive the valve core to rotate, the air inlet channel and the air outlet channel are positioned in a plane perpendicular to the valve rod, and the air inlet and the air outlet are positioned on the same side of the valve body.

The application gives the shifting fork piece on the valve rod to realize the on-off of the micro switch in the rotation process along with the valve rod, and compared with the existing knot design, the structure is simplified, and the operation and the disassembly are convenient.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a partial exploded view of the present application;

FIG. 3 is a partial cross-sectional view of the present application;

FIG. 4 is a schematic structural view of the valve element in the present application;

FIG. 5 is a schematic view of the valve cover in the present application;

FIG. 6 is a schematic illustration of the valve stem of the present application in a zero degree angular position;

FIG. 7 is a schematic illustration of the structure of the valve stem of the present application from a zero degree angular position;

FIG. 8 is a schematic view of the valve stem rotated to a maximum angle in the present application;

FIG. 9 is a top view of the present application;

FIG. 10 is a cross-sectional view taken along the line A-A in FIG. 9;

fig. 11 is a partial cross-sectional view of the valve seat of fig. 9.

Reference numerals in the drawings are described as follows:

1. a valve body; 11. a valve seat; 111. an air intake passage; 112. an air outlet channel; 113. an air distribution cavity;

12. a valve cover; 121. a cavity; 122. guide sleeve; 123. a first limit part; 124. a second limit part; 13. a thimble; 14. an elastic member; 15. an electromagnetic valve; 16. a transmission member; 17. an air inlet; 18. an air outlet;

2. a valve core; 21. a notch; 3. a valve stem; 31. a fork member; 32. a trigger; 4. a first microswitch; 41. a spring plate; 5. and a second micro switch.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the application provides a gas plug valve, including valve body 1, case 2, valve rod 3, first micro-gap switch 4, wherein valve body 1 is including the disk seat 11 of taking the air cavity 113 and closing cap air cavity 113's valve gap 12, the inside of disk seat 11 is provided with the air inlet channel 111 and the air outlet channel 112 that meet in the air cavity, case 2 rotationally assembles in air cavity 113, valve rod 3 runs through valve gap 12 and combines with case 2, be used for driving the case to take place to rotate, thereby the user drives the case in step when rotatory valve rod, realizes the regulation to the firepower state. When a user operates a gas stove, the user needs to press the valve rod to perform ignition operation, and related components for realizing the ignition function and matching with the valve rod are improved.

The first micro switch 4 is fixed on the valve body 1, and can be fixed through a conventional screw, a radially protruding shifting fork member 31 is arranged on the valve rod 3, and the shifting fork member 31 triggers the first micro switch 4 to be turned on or off in the rotation process of the valve rod. The first micro switch is electrically connected with the fan, and the on or off signal of the first micro switch can be converted into an off or on signal of the fan. As shown in fig. 4, the top of the valve core 2 is provided with a notch 21 matched with a shifting fork member 31 to realize the combination of the valve core and the valve rod, and it can be understood that the valve core and the shifting fork member synchronously rotate when a user rotates the valve rod so as to be convenient for adjusting and controlling the fire state. That is, the fork member 31 not only can control the turn-off and turn-on of the first micro switch, but also is a component combining the valve core, simplifying the structure of the valve body, and being more convenient to operate.

As shown in fig. 3 and 6, the shifting fork member 31 is disposed at a portion of the valve rod 3 located in the valve body 1 and is hidden in the valve cover 12, that is, the triggering position of the shifting fork member 31 and the first micro switch 4 is also covered by the valve cover 12, so as to realize protection and blocking of the structure.

As shown in fig. 5, in some embodiments, the valve cover 12 is generally in a cap-shaped structure, two sides of the valve cover are provided with lugs for connecting valve seats, the valve cover is provided with a cavity 121 for accommodating the shifting fork member, the first micro switch 4 is provided with a spring piece 41 which partially stretches into the cavity, and the shifting fork member and the spring piece are always in the cavity 121 in a contact state or a disconnection state, so that foreign object interference is avoided, and stable operation of functions is ensured.

The process of controlling the fan switch by matching the shifting fork piece with the shifting fork piece of the first micro switch is as follows:

as shown in fig. 6, when the gas plug valve is in the closed state, the valve rod 3 is in the zero-degree angle position, and the fork member 31 triggers the first micro switch to be turned on, at this time, the corresponding fan is in the closed state. When the valve rod 3 rotates, fuel gas enters the stove end of the stove from the plug valve, ignition is realized, the shifting fork piece 31 is separated from the first micro switch 4, the first micro switch 4 is disconnected, and then a signal is sent to start the fan.

The valve cover 12 is provided with a first limiting part 123 matched with the shifting fork piece, when the gas plug valve is in a closed state, the valve rod 3 is in a zero-degree angle position, and the valve rod is stably kept at the zero-degree angle position by the first limiting part 123, so that false triggering is avoided.

As shown in fig. 7, when the valve rod rotates away from the zero-degree angle position, the gas plug valve is in an open state, the first micro switch 4 is turned off, and the fan is synchronously turned on.

The valve cover 12 has a second limiting portion 124 for limiting the range of the valve stem rotation angle in cooperation with the fork member. As shown in fig. 8, when the fork member collides with the second limiting portion, the valve rod has been rotated to a maximum angle so as to match the corresponding fire gear of the gas range. In this embodiment, the first limiting portion and the second limiting portion are vertically arranged blocking surfaces, and a plurality of step structures are formed on the inner wall of the valve cover.

In some embodiments, the valve cover 12 has a guide sleeve 122 in clearance fit with the valve rod 3, and the guide sleeve is coaxial with the valve rod, so as to ensure that the user does not shake or deviate when rotating the valve rod, and improve the use experience of the product.

As shown in fig. 2 and 3, the valve body is provided with the second micro switch 5, the valve rod 3 is provided with the trigger piece 32, one end of the trigger piece 32 is sleeved on the valve rod 3 and is clamped and fixed with the trigger piece, and the other end of the trigger piece 32 is used for starting the second micro switch 5 through the inclined plane guiding action in the valve rod pressing process to realize ignition.

In one embodiment, the valve body 1 is internally provided with a thimble 13, an elastic piece 14, an electromagnetic valve 15 and a transmission piece 16, wherein the thimble 13 penetrates through the valve core 2 and is connected with the valve rod 3, and the thimble 13, the elastic piece 14, the electromagnetic valve 15 and the transmission piece 16 can be coaxially arranged; the elastic piece 14 acts on the thimble 13, and after the pressing force is removed by a user, the valve rod 3 and the thimble 13 are reset; the thimble 13 is also provided with a sealing ring which is matched with the valve core in a sealing way, so that the fuel gas is prevented from overflowing from a gap between the thimble 13 and the valve core. The electromagnetic valve 15 is used for controlling the on-off of an air inlet channel, the transmission piece is used for transmitting the downward pressing acting force of the valve rod 3 to the electromagnetic valve from the thimble, and the electromagnetic valve can be manually opened when the plug valve is opened, so that fuel gas enters the valve body. The structure realizes synchronous control of ignition of the gas stove when a user presses the valve rod, and has stable connection structure and accurate transmission.

Some embodiments below also provide a gas plug valve that is easy to install, e.g. the mentioned valve body, valve core, valve stem, can be combined with the embodiments above.

In some embodiments, referring to fig. 9 to 11, the gas plug valve comprises a valve body 1, a valve core 2 and a valve rod 3, wherein the valve body 1 comprises a valve seat 11 with a gas distribution cavity 113 and a valve cover 12 for covering the gas distribution cavity, an air inlet channel 111 and an air outlet channel 112 are arranged in the valve seat 11, the air inlet channel 111 and the air outlet channel 112 form an air inlet 17 and an air outlet 18 on the side wall of the valve body 1, the air inlet channel 111 and the air outlet channel 112 are intersected in the gas distribution cavity, the valve core 3 is rotationally assembled in the gas distribution cavity, and the valve rod 3 penetrates through the valve cover 12 and is combined with the valve core 2 for driving the valve core to rotate.

The inlet channel 111 and the outlet channel 112 are in a plane perpendicular to the valve stem 3, as shown in fig. 10, the central axes of the inlet channel 111 and the outlet channel 112 are perpendicular to the central axis of the valve stem 3, and the valve core 2 is coaxial with the valve stem 3, so that one end of the inlet channel 111 and the outlet channel 112, which is close to the air distribution chamber, is completely blocked by the side wall of the valve core. The valve core is provided with a flow regulating groove and is communicated with the air inlet channel and the air outlet channel, so that the valve core can realize the effect of regulating the gas flow in each channel when rotating along with the valve rod.

The gas plug valve can be provided with a plurality of gas outlet channels, and can be applied to a two-ring fire or three-ring fire burner, 2 gas outlet channels are arranged on the valve body as shown in the figure, the 2 gas outlet channels are all formed with gas outlets 18 on the side wall of the valve body 1, and the gas inlet 17 and the plurality of gas outlets 18 can be flush and coplanar. The air inlet 17 and the air outlet 18 are positioned on the same side of the valve body 1, and a user only needs to operate on one side when disassembling and assembling the gas plug valve, so that the disassembly and the assembly are more convenient. The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. When technical features of different embodiments are embodied in the same drawing, the drawing can be regarded as a combination of the embodiments concerned also being disclosed at the same time.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.

Claims

1. The gas plug valve, its characterized in that includes:

the valve core is rotationally assembled in the gas distribution cavity;

2. The gas plug valve of claim 1, wherein a notch is provided at a top of the valve body to be engaged with the fork member to achieve coupling of the valve body and the valve stem.

3. The gas plug valve of claim 1, wherein the fork member is disposed in a portion of the valve stem within the valve body.

4. A gas plug valve according to claim 3, wherein the valve cover has a cavity for receiving the fork member, and the first microswitch has a tab that extends partially into the cavity.

5. The gas plug valve of claim 1, wherein the valve stem is in a zero degree angular position when the gas plug valve is in a closed state, the fork member triggers the first microswitch to be on, and the first microswitch to be off when the valve stem is rotated away from the zero degree angular position.

6. The gas plug valve of claim 5, wherein the valve cover has a first stop portion that cooperates with the fork member such that the valve stem is in a zero degree angular position.

7. The gas plug valve of claim 1, wherein the valve cover has a second limit portion cooperating with the fork member to limit a range of rotation angle of the valve stem.

8. The gas plug valve of claim 1, wherein the valve cover has a guide sleeve that is clearance fit with the valve stem.

9. The gas plug valve of claim 1, wherein the valve body is provided with a second micro switch, and the valve stem is provided with a trigger for opening the second micro switch during the pressing process.

10. The gas plug valve according to claim 1, wherein a thimble penetrating through the valve core and engaged with the valve stem, an elastic member acting on the thimble, a solenoid valve controlling on-off of the intake passage, and a transmission member transmitting a pressing force of the valve stem from the thimble to the solenoid valve are provided in the valve body.