CN215806434U

CN215806434U - Gas plug valve

Info

Publication number: CN215806434U
Application number: CN202121253772.8U
Authority: CN
Inventors: 李华登
Original assignee: Zhongshan Frd Gas Appliance Co ltd
Current assignee: Zhongshan Frd Gas Appliance Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-02-11
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a gas plug valve, which comprises: the valve body is provided with at least two fuel gas input channels and at least two fuel gas output channels; the plug cock is rotationally arranged on the valve body, at least two vent hole groups which correspond to the gas output channels one to one are arranged on the plug cock, each vent hole group comprises at least two vent holes with different flow areas, the vent hole groups are distributed along the axial direction of the plug cock, the vent holes are arranged on the peripheral surface of the plug cock and are distributed along the circumferential direction of the plug cock, and the vent holes can be communicated to the gas input channel; the gas output channel is provided with an input end, and when the cock rotates, the vent hole can be communicated with the input end of the corresponding gas output channel. Foretell gas plug valve, the gas output function is comparatively abundant.

Description

Gas plug valve

Technical Field

The utility model relates to the technical field of gas valves, in particular to a gas plug valve.

Background

The gas plug valve generally comprises a valve body, wherein a gas input channel and a gas output channel are arranged on the valve body, a plug cock is rotatably arranged on the valve body and driven by a main shaft to rotate, and the main shaft is driven to rotate by a knob. The circumferential surface of the cock is provided with a vent hole which can be communicated with the gas input channel. When the cock rotates, the vent hole can be communicated with the gas output channel correspondingly, so that gas can be output to the gas output channel from the gas input channel and supplied to the corresponding combustor for use. The existing gas plug valve has the defects of single gas output function and low practical value.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the gas plug valve provided by the utility model has rich gas output function.

According to the embodiment of the utility model, the gas plug valve comprises: the valve body is provided with at least two fuel gas input channels and at least two fuel gas output channels; the cock is rotationally arranged on the valve body, at least two vent hole groups which correspond to the gas output channels one by one are arranged on the cock, each vent hole group comprises at least two vent holes with different flow areas, the vent hole groups are arranged along the axial direction of the cock, the vent holes are arranged on the peripheral surface of the cock and are arranged along the circumferential direction of the cock, and the vent holes can be communicated to the gas input channels; the gas output channel is provided with an input end, and when the cock rotates, the vent hole can be communicated with the input end of the corresponding gas output channel.

The gas plug valve provided by the embodiment of the utility model at least has the following beneficial effects: foretell gas plug valve is through setting up multichannel gas output channel to the gas output channel of giving every way corresponds the different air vent of a plurality of flow area of configuration, thereby the cock is when rotating, and multichannel gas output channel can form the collocation of different gas output volume, and service function is comparatively abundant.

According to some embodiments of the utility model, two gas output channels are provided, two sets of the vent holes are correspondingly provided, and the vent holes are provided with two vent holes which are respectively a big fire hole and a small fire hole; when the cock rotates to a first preset angle, the input end of one gas output channel is communicated with the big fire hole of the corresponding vent hole group, and the peripheral surface of the cock seals the input end of the other gas output channel; when the cock rotates to a second preset angle, the input ends of the two gas output channels are communicated with the big fire hole of the corresponding vent hole group; when the cock rotates to a third preset angle, the input ends of the two gas output channels are communicated with the small fire holes of the corresponding vent hole group.

According to some embodiments of the utility model, when the cock is rotated to a position between the first predetermined angle and the second predetermined angle, the input end of one of the gas outlet channels is in communication with the flare of the corresponding set of ventilation holes and the input end of the other of the gas outlet channels is capable of being in communication with the flare of the corresponding set of ventilation holes.

According to some embodiments of the utility model, when the cock is rotated to a position between the second predetermined angle and the third predetermined angle, the input end of one of the gas outlet channels is in communication with the corresponding big fire hole of the set of ventilation holes, and the input end of the other gas outlet channel is capable of being in communication with the corresponding small fire hole of the set of ventilation holes.

According to some embodiments of the utility model, a valve cavity is arranged on the valve body, the gas input channel and the gas output channel are communicated with the valve cavity, the cock is in rotating fit with the cavity wall of the valve cavity, the cock is provided with a hollow cavity, the vent hole is communicated with the hollow cavity, a switch air passage is further arranged on the peripheral surface of the cock, the switch air passage is arranged corresponding to the gas input channel and can be communicated with the gas input channel, and the vent hole is communicated with the switch air passage through the hollow cavity.

According to some embodiments of the utility model, the vent hole set is provided with two vent holes, the two vent holes are respectively a big fire hole and a small fire hole, the peripheral surface of the cock is provided with a counter sink groove, and the small fire hole is arranged on the groove bottom wall of the counter sink groove.

According to some embodiments of the utility model, a boss portion is provided on a bottom of the platform groove, and the small fire hole is opened to the boss portion.

According to some embodiments of the utility model, the faucet has a circumferentially extending coupling groove formed in a circumferential surface thereof, one end of the coupling groove communicating with the counter sink groove.

According to some embodiments of the utility model, the valve body is provided with a gas input butt-joint part and a mounting groove, the mounting groove is an annular groove, the mounting groove is arranged around the gas input butt-joint part, a sealing element which is matched with the mounting groove in shape is mounted in the mounting groove, the upper end surface of the sealing element is configured to be a top surface, and the top surface is higher than the notch periphery of the mounting groove.

According to some embodiments of the present invention, the sealing member and the groove wall of the mounting groove are correspondingly provided with a positioning protrusion and a positioning groove, and the positioning protrusion is accommodated in the positioning groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

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 perspective view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of the structure shown in FIG. 1;

FIG. 3 is a cross-sectional view B-B of the structure shown in FIG. 1;

FIG. 4 is one of the schematic perspective views of a faucet of an embodiment of the present invention;

FIG. 5 is a second perspective view of the faucet of the present invention;

FIG. 6 is a schematic structural diagram of an embodiment of the present invention in an initial state;

FIG. 7 is a schematic view of the faucet of an embodiment of the present invention in a first predetermined angular position;

FIG. 8 is a schematic view of the faucet of an embodiment of the present invention in a position between a first predetermined angle and a second predetermined angle;

FIG. 9 is a schematic view of the faucet of an embodiment of the present invention at a second predetermined angle;

FIG. 10 is a schematic view of the faucet of an embodiment of the present invention in a position between the second predetermined angle and a third predetermined angle;

FIG. 11 is a schematic view of the faucet of an embodiment of the present invention at a third predetermined angle;

fig. 12 is an exploded view of an embodiment of the present invention.

Reference numerals: the gas valve comprises a valve body 100, a gas input passage 110, a gas output passage 120, a valve cavity 130, an input butt joint part 140, a mounting groove 150, a sealing member 160, a butt top surface 161, a positioning convex block 170, a positioning groove 180, a cock 200, a vent hole group 210, a big fire hole 211, a small fire hole 212, a hollow cavity 220, a switch air channel 230, an opening part 231, a slotted part 232, a counter sink groove 240, a boss part 250, a connecting groove 260 and a main shaft 300.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. 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 otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 5, there is provided a gas cock valve, including: a valve body 100 and a cock 200. The valve body 100 is provided with a gas input passage 110 and a gas output passage 120, and the gas output passage 120 is provided in two. The cock 200 is rotatably disposed on the valve body 100, and is driven by the main shaft 300 to rotate, the cock 200 is provided with two vent hole sets 210 corresponding to the gas output channel 120 one by one, each vent hole set 210 includes two vent holes with different flow areas, and the two vent holes are a big fire hole 211 and a small fire hole 212 (the flow area of the big fire hole 211 is larger than the flow area of the small fire hole 212). It should be understood that if the vent holes are holes of uniform cross-sectional area, the flow area is the cross-sectional area; if the vent holes are holes with uneven cross-street area, such as tapered holes, the flow area of the vent holes refers to the equivalent flow area, that is, the flow area of the holes with even cross-street area, which output the same flow of fuel gas as the holes with uneven cross-street area, under the same gas source condition.

The vent hole group 210 is arranged along the axial direction of the cock 200, vent holes are arranged on the peripheral surface of the cock 200 and are arranged along the circumferential direction of the cock 200, and the vent holes can be communicated to the gas input channel 110; the gas output channels 120 are provided with input ends, and when the cock 200 rotates, the vent holes can be communicated with the input ends of the corresponding gas output channels 120.

The valve body 100 is provided with a valve cavity 130, the gas input passage 110 and the gas output passage 120 are communicated with the valve cavity 130, the cock 200 is rotatably matched with the cavity wall of the valve cavity 130, the cock 200 is provided with a hollow cavity 220, the vent hole is communicated with the hollow cavity 220, the peripheral surface of the cock 200 is further provided with a switch air passage 230, the switch air passage 230 is correspondingly arranged with the gas input passage 110 and can be communicated with the gas input passage 110, and the vent hole is communicated with the switch air passage 230 through the hollow cavity 220. The switch air passage 230 is used for controlling the gas to enter the hollow cavity 220 to further supply the gas to the gas output passage 120. In the present embodiment, the open/close air passage 230 includes an opening portion 231 and a slotted portion 232, the slotted portion 232 is opened on the circumferential surface of the cock 200 and extends in the circumferential direction, and the opening portion 231 is opened at the bottom of the slotted portion 232 and communicates the slotted portion 232 and the hollow cavity 220. The slotted portion 232 extends in the circumferential direction, so that when the cock valve is opened and the cock is rotated to each open position, gas input into the hollow cavity 220 is maintained.

Referring to fig. 6, a state diagram of the gas cock valve in an initial state (closed state) is shown, in which the circumferential surfaces of the cock 200 respectively block the input ends of the two gas output passages 120, and the circumferential surfaces of the cock 200 also block the inner end of the gas input passage 110, so that gas cannot flow from the gas input passage 110 to the gas output passage 120.

Referring to fig. 7, when the cock 200 is rotated to a first predetermined angle, an input end of one gas output passage 120 is communicated with the big fire hole 211 of the corresponding vent hole group 210, and the circumferential surface of the cock 200 blocks an input end of another gas output passage 120, and at the same time, the switch gas passage 230 is communicated with the inner end of the gas input passage 110, so that the gas can be output to one gas output passage 120 through the switch gas passage 230, the hollow cavity 220 of the cock 200 and the big fire hole 211, thereby forming a single-path big fire gas output.

Referring to fig. 8, when the cock 200 is rotated to a position between a first predetermined angle and a second predetermined angle (the position of the second predetermined angle is described below), the input end of one gas output channel 120 is communicated with the big fire hole 211 of the corresponding vent hole group 210, the input end of the other gas output channel 120 can be partially communicated with the big fire hole 211 of the corresponding vent hole group 210, at this time, one gas output channel 120 outputs the gas amount of the big fire, and the other gas output channel 120 is communicated with the big fire hole 211, so that the gas output channel 120 outputs the gas amount slightly smaller than the big fire, and if the cock 200 is adjusted in the position, the gas output amount can be adjusted.

Referring to fig. 9, when the cock 200 is rotated to a second predetermined angle, the input ends of the two gas output channels 120 are both communicated with the big fire hole 211 of the corresponding vent hole group 210, and at this time, the two gas output channels 120 both output the gas amount of the big fire.

Referring to fig. 10, when the cock 200 is rotated to a position between the second predetermined angle and a third predetermined angle (the position of the third predetermined angle is described below), the input end of one gas output channel 120 can communicate with the large fire hole 211 of the corresponding vent hole group 210, and the input end of the other gas output channel 120 can communicate with the small fire hole 212 of the corresponding vent hole group 210. At this time, although the input end of the other gas output channel 120 is not directly opposite to the small fire hole 212 to form communication, as shown in fig. 4, a counter sink groove 240 is opened on the circumferential surface of the cock 200, the small fire hole 212 is opened on the bottom wall of the counter sink groove 240, a connection groove 260 extending in the circumferential direction is opened on the circumferential surface of the cock 200, and one end of the connection groove 260 is communicated with the counter sink groove 240. Thus, the input end of the other gas output passage 120 is in communication with the small fire hole 212 through the connecting groove 260 and the counter groove 240. In the state shown in fig. 10, one of the gas output passages 120 outputs a gas amount of a larger fire, and the other gas output passage 120 outputs a gas amount of a smaller fire.

Referring to fig. 11, when the cock 200 is rotated to a third predetermined angle, the input ends of the two gas output channels 120 are communicated with the small fire holes 212 of the corresponding vent hole group 210, so that the two gas output channels 120 output the gas amount of the small fire.

Above-mentioned gas plug valve is through setting up multichannel gas output channel 120 to give every way gas output channel 120 and correspond the different air vent of a plurality of flow area of configuration, thereby the cock is when rotating, and multichannel gas output channel 120 can form the collocation of different gas output volume, and the service function is comparatively abundant. In the present embodiment, the number of the gas output channels 120 and the corresponding vent hole groups 210 is two, and two vent holes (big fire holes 211 and small fire holes 212) are configured in each vent hole group 210, and in other embodiments, the number of the gas output channels 120, the vent hole groups 210, and the vent holes may be configured according to the actual situation, and is not limited to the embodiment of the present embodiment.

It should be understood that the first predetermined angle, the second predetermined angle and the third predetermined angle mentioned above are specifically configured according to actual situations, for example, the first predetermined angle may be configured to be 90 ° (relative to the initial state), the second predetermined angle may be configured to be 150 ° (relative to the initial state), and so on, and those skilled in the art can reasonably configure the corresponding predetermined angles according to actual needs to achieve the corresponding matching effect.

In the present embodiment, a boss portion 250 is provided on the bottom of the counter sink 240, and the small fire hole 212 is opened in the boss portion 250. Since the small fire holes 212 are opened in the bottom wall of the counter sink groove 240, the boss portion 250 can increase the thickness of the opening, increasing the strength. In the present embodiment, the small fire holes 212 are opened at the bottom wall of the sink deck groove 240, so that the range of communication between the small fire holes 212 is extended, and the gas output channel 120 can be communicated with the small fire holes 212 when communicating with the sink deck groove 240. In this embodiment, the connecting groove 260 is connected to the counter groove 240 at the small fire hole 212 of the ventilation hole group 210 of one group, and the connecting groove 260 also serves to extend the communication range.

Referring to fig. 12 and 1, a gas input abutting portion 140 and a mounting groove 150 are disposed on the valve body 100, the mounting groove 150 is an annular groove, the mounting groove 150 is disposed around the gas input abutting portion 140, a sealing member 160 having a shape adapted to the mounting groove 150 is mounted in the mounting groove 150, an upper end surface of the sealing member 160 is configured to abut against a top surface 161, and the abutting surface 161 is higher than a notch periphery of the mounting groove 150. The gas input butt-joint part 140 is used for connecting to the outside to guide the gas into the gas input channel 110, and by arranging the sealing member 160, after the external member is connected to the gas input butt-joint part 140, the external member is pressed with the abutting surface 161, so that a good sealing is formed. The sealing member 160 may be made of rubber, silica gel, or the like.

In the embodiment, the groove walls of the sealing member 160 and the mounting groove 150 are correspondingly provided with a positioning protrusion 170 and a positioning groove 180, and the positioning protrusion 170 is received in the positioning groove 180. The sealing member 160 can be positioned and installed stably by the cooperation of the positioning projection 170 and the positioning groove 180.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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 within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A gas plug valve, comprising:

the valve body (100) is provided with a fuel gas input channel (110) and a fuel gas output channel (120), and the number of the fuel gas output channels (120) is at least two;

the cock (200) is rotatably arranged on the valve body (100), at least two vent hole groups (210) which correspond to the gas output channel (120) in a one-to-one mode are arranged on the cock (200), each vent hole group (210) comprises at least two vent holes with different flow areas, the vent hole groups (210) are arranged along the axial direction of the cock (200), the vent holes are arranged on the peripheral surface of the cock (200) and are arranged along the circumferential direction of the cock (200), and the vent holes can be communicated to the gas input channel (110); the gas output channel (120) is provided with an input end, and when the cock (200) rotates, the vent hole can be communicated with the input end of the corresponding gas output channel (120).

2. The gas plug valve according to claim 1, characterized in that the gas output channel (120) is provided with two, the vent hole sets (210) are correspondingly provided with two sets, the vent hole sets (210) are provided with two vent holes, and the two vent holes are respectively a big fire hole (211) and a small fire hole (212); when the cock (200) rotates to a first preset angle, the input end of one gas output channel (120) is communicated with the big fire hole (211) of the corresponding vent hole group (210), and the peripheral surface of the cock (200) blocks the input end of the other gas output channel (120); when the cock (200) rotates to a second preset angle, the input ends of the two gas output channels (120) are communicated with the big fire holes (211) of the corresponding vent hole group (210); when the cock (200) rotates to a third preset angle, the input ends of the two gas output channels (120) are communicated with the small fire holes (212) of the corresponding vent hole group (210).

3. The gas cock valve according to claim 2, characterized in that when the cock (200) is rotated to a position between the first and second predetermined angles, the input end of one of the gas output channels (120) is in communication with the corresponding port hole (211) of the set of vent holes (210), and the input end of the other gas output channel (120) is capable of being in partial communication with the corresponding port hole (211) of the set of vent holes (210).

4. The gas cock valve according to claim 2, characterized in that when the cock (200) is rotated to a position between the second and third predetermined angles, the input end of one of the gas output channels (120) is in communication with the corresponding big fire hole (211) of the set of vent holes (210), and the input end of the other gas output channel (120) is capable of being in communication with the corresponding small fire hole (212) of the set of vent holes (210).

5. The gas plug valve of claim 1, wherein a valve cavity (130) is disposed on the valve body (100), the gas input passage (110) and the gas output passage (120) are communicated with the valve cavity (130), the plug (200) is rotatably fitted to a wall of the valve cavity (130), the plug (200) is provided with a hollow cavity (220), the vent hole is communicated with the hollow cavity (220), a switch air passage (230) is further disposed on a peripheral surface of the plug (200), the switch air passage (230) is disposed corresponding to the gas input passage (110) and can be communicated with the gas input passage (110), and the vent hole is communicated with the switch air passage (230) through the hollow cavity (220).

6. The gas plug valve according to claim 1, wherein the vent hole group (210) is provided with two vent holes, the two vent holes are respectively a big fire hole (211) and a small fire hole (212), a platform sink groove (240) is formed on the peripheral surface of the plug (200), and the small fire hole (212) is formed on the bottom wall of the platform sink groove (240).

7. The gas plug valve according to claim 6, characterized in that a boss portion (250) is provided on the bottom of the platform groove (240), and the small fire hole (212) opens in the boss portion (250).

8. The gas plug valve according to claim 6, characterized in that a circumferentially extending connecting groove (260) is opened on the circumferential surface of the plug (200), and one end of the connecting groove (260) is communicated with the counter sink groove (240).

9. The gas plug valve of claim 1, wherein a gas input butt joint portion (140) and a mounting groove (150) are arranged on the valve body (100), the mounting groove (150) is an annular groove, the mounting groove (150) is arranged around the gas input butt joint portion (140), a sealing member (160) matched with the mounting groove (150) in shape is arranged in the mounting groove (150), the upper end face of the sealing member (160) is configured to abut against a top face (161), and the abutting face (161) is higher than the notch periphery of the mounting groove (150).

10. The gas plug valve according to claim 9, wherein the sealing member (160) and the groove wall of the mounting groove (150) are correspondingly provided with a positioning projection (170) and a positioning groove (180), and the positioning projection (170) is received in the positioning groove (180).