CN220060959U

CN220060959U - Gas inlet joint

Info

Publication number: CN220060959U
Application number: CN202321415592.4U
Authority: CN
Inventors: 李华登
Original assignee: Zhongshan Frd Gas Appliance Co ltd
Current assignee: Zhongshan Frd Gas Appliance Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-21
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a gas inlet connector, which comprises a female connector, a male connector and a locking mechanism. The female connector is provided with an air inlet channel and an air outlet channel which are communicated with each other. The male connector is provided with a mounting part and a plug-in part, the male connector is also provided with a gas channel penetrating through the mounting part and the plug-in part, the plug-in part can be inserted in the gas outlet channel, and the mounting part is positioned at one end of the plug-in part, which is away from the female connector. The locking mechanism comprises a sleeve which is arranged on the periphery of the female joint and can be in threaded connection with the peripheral wall of the mounting part. The connection locking between the male connector and the female connector can be realized, so that the connection between the male connector and the female connector is more stable, and in addition, the locking mechanism is simple in structure, only needs to process internal threads on the inner wall of the sleeve, and can process external threads matched with the internal threads of the sleeve on the outer wall of the mounting part or the female connector, thereby being convenient for production and processing.

Description

Gas inlet joint

Technical Field

The utility model relates to the technical field of gas appliances, in particular to a gas inlet connector.

Background

The gas inlet joint generally comprises a male joint and a female joint which are matched with each other for use, wherein the male joint is arranged on the kitchen range mounting plate and used for connecting a burner, and the female joint is used for connecting a gas valve. The female connector is internally provided with an air inlet channel and an air outlet channel which are mutually communicated, a communication port is arranged between the air inlet channel and the air outlet channel, the female connector is internally provided with a valve core which can control the opening or closing of the communication port, and the male connector can be inserted into the female connector and jack the valve core to open the communication port, so that gas inlet is realized.

A locking mechanism is usually arranged between the male connector and the female connector, the locking mechanism comprises a sleeve and a steel ball, the peripheral wall of the female connector is provided with a mounting hole for accommodating the steel ball, the sleeve is sleeved on the peripheral wall of the female connector, the inner wall of the sleeve is provided with a containing groove for accommodating the steel ball, and a reset spring is further arranged between the sleeve and the female connector. The peripheral wall of the male connector is provided with a clamping groove for the steel ball to be clamped in. When the male connector is connected with the female connector, the inner wall of the sleeve is abutted against the steel ball and pushes the steel ball to be clamped in the clamping groove of the male connector, so that the male connector can be prevented from falling out of the female connector. When the male connector and the female connector are required to be separated, the sleeve is pushed to enable the accommodating groove of the sleeve to coincide with the mounting hole of the female connector, then the male connector is pulled out, and the peripheral wall of the male connector can be abutted to the steel ball and push the steel ball out of the accommodating groove of the sleeve in the process, so that the male connector and the female connector can be separated.

The locking mechanism can realize quick connection and separation between the male connector and the female connector, but the structure is complex, and the steel ball is easy to be clamped into the accommodating groove of the sleeve due to careless pushing of the sleeve, so that the male connector and the female connector are disconnected, and in addition, the risk that the steel ball is separated from the mounting hole in the process of pushing the sleeve in a reciprocating manner is also present.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the gas inlet connector, the male connector and the female connector can be stably connected through the locking mechanism, and the locking mechanism is simpler in structure and convenient to produce and process.

According to an embodiment of the utility model, a gas inlet joint comprises: the female joint is provided with an air inlet channel and an air outlet channel which are communicated with each other; the male connector is provided with a mounting part and an inserting part, the male connector is also provided with a gas channel penetrating through the mounting part and the inserting part, the inserting part can be inserted into the gas outlet channel, and the mounting part is positioned at one end of the inserting part, which is away from the female connector; the locking mechanism comprises a sleeve, wherein the sleeve is installed on the periphery of the female joint and can be in threaded connection with the peripheral wall of the installation part, or the sleeve is installed on the periphery of the installation part and can be in threaded connection with the peripheral wall of the female joint.

The gas inlet connector provided by the embodiment of the utility model has at least the following beneficial effects:

through set up locking mechanism between female joint and public joint, this locking mechanism includes the sleeve, the sleeve is installed in the periphery of female joint and can with the peripheral wall threaded connection of installation department, or the sleeve is installed in the periphery of public joint and can with the peripheral wall threaded connection of female joint, from this alright realize the connection locking between public joint and the female joint for be connected between public joint and the female joint more stable, in addition, this locking mechanism simple structure only need at sleeve inner wall processing internal thread, at the outer wall processing of public joint or female joint with telescopic internal thread assorted external screw thread can, the production and processing of being convenient for.

According to some embodiments of the utility model, the sleeve is movably mounted on the outer periphery of the female connector, the locking mechanism further comprises a first limiting part arranged on the outer peripheral wall of the female connector, an inward protruding abutting part is arranged on the inner wall of the sleeve, the abutting part is located on one side, away from the mounting part, of the first limiting part, and the sleeve can move relatively to the female connector to be close to the mounting part and abut against the first limiting part.

According to some embodiments of the utility model, the locking mechanism further comprises a second limiting portion provided on the peripheral wall of the female connector, the second limiting portion is located on one side of the first limiting portion away from the mounting portion, the abutting portion is located between the first limiting portion and the second limiting portion, and the sleeve can move away from the mounting portion relative to the female connector and enable the abutting portion to abut against the second limiting portion.

According to some embodiments of the present utility model, a communication port is provided between the air inlet channel and the air outlet channel, a valve core assembly capable of controlling the opening or closing of the communication port is movably installed in the female connector, and the plug part can be inserted into the air outlet channel and push the valve core assembly to open the communication port, so that the air inlet channel and the air channel are mutually communicated.

According to some embodiments of the utility model, at least one first sealing ring is disposed on an inner wall of the air outlet channel, all the first sealing rings are located on one side of the valve core assembly, which is close to the air outlet end of the female connector, and when the plug-in portion is inserted into the air outlet channel, the first sealing rings are in interference fit with an outer peripheral wall of the plug-in portion.

According to some embodiments of the utility model, the valve core assembly comprises a valve core and an elastic member, the valve core is movably mounted on the air outlet channel and provided with a communication channel communicated with the air outlet channel, the elastic member is mounted between the valve core and the peripheral wall of the air inlet channel, when the plug-in part is inserted into the air outlet channel, the plug-in part can be abutted against the valve core and enable the air channel to be communicated with the communication channel, and the plug-in part can push the valve core to move close to the air inlet channel and enable the communication channel to be communicated with the air inlet channel.

According to some embodiments of the utility model, the communication channel has an air outlet and at least two air inlets, the air outlet is arranged at one end of the valve core, which is away from the air inlet channel, all the air inlets are arranged on the peripheral wall of the valve core and are sequentially arranged along the circumferential direction of the valve core, when the plug-in part is inserted into the air outlet channel, the plug-in part can be abutted against the valve core and enable the air channel to be communicated with the air outlet of the communication channel, and the plug-in part can push the valve core to move close to the air inlet channel and enable at least one air inlet to be communicated with the air inlet channel.

According to some embodiments of the utility model, the valve core is provided with a sealing part extending to the air inlet channel, a second sealing ring is sleeved on the periphery of the sealing part, one end, close to the air outlet channel, of the air inlet channel is provided with a conical inclined surface, and the second sealing ring can be abutted against the conical inclined surface under the action of elasticity of the elastic piece and close the communication port.

According to some embodiments of the utility model, the sleeve is mounted on the outer periphery of the female joint, the outer peripheral wall of the mounting part is provided with external threads for threaded connection with the sleeve, and the outer peripheral wall of the mounting part is further provided with a planar part for positioning and mounting.

According to some embodiments of the utility model, the male connector is further provided with a lap joint part and a fastener, wherein the lap joint part is arranged on one side of the mounting part far away from the plug-in part, and the fastener can be in threaded connection with the mounting part and can move close to the lap joint part relative to the mounting part.

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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of an embodiment of a gas inlet fitting according to the present utility model;

FIG. 2 is a schematic view of a partial installation of the gas inlet fitting shown in FIG. 1

FIG. 3 is a schematic cross-sectional view of a fuel gas inlet connection with a closed communication port according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a fuel gas inlet connector with a communication port opened in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a female connector with a communication port closed in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a female connector with a communication port open in accordance with an embodiment of the present utility model;

fig. 7 is a schematic view of a male connector according to an embodiment of the present utility model.

Reference numerals:

the female connector 100, the air inlet channel 110, the air outlet channel 120, the first sealing ring 130, the valve core 140, the communication channel 141, the air inlet 142, the air outlet 143, the elastic piece 150, the sealing seat 160 and the second sealing ring 161;

male connector 200, mounting portion 210, planar portion 211, plug portion 220, gas channel 230, external threads 240, overlap portion 250, fastener 260;

the sleeve 300, the first limiting part 310, the second limiting part 320, the abutting part 330 and the internal thread 340;

a cooktop mounting plate 400;

a gas valve 500 and a gas pipe 510.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 7, an embodiment of the present utility model provides a gas inlet connector, which includes a female connector 100, a male connector 200, and a locking mechanism. The female connector 100 has an inlet passage 110 and an outlet passage 120 communicating with each other. The male connector 200 has a mounting portion 210 and a plugging portion 220, the male connector 200 further has a gas channel 230 penetrating the mounting portion 210 and the plugging portion 220, the plugging portion 220 can be plugged into the gas outlet channel 120, and the mounting portion 210 is located at an end of the plugging portion 220 facing away from the female connector 100. The locking mechanism includes a sleeve 300, and the sleeve 300 is mounted on the outer circumference of the female joint 100 and can be screwed with the outer circumferential wall of the mounting portion 210.

In the above structure, the male connector 200 may be mounted to the burner mounting plate 400, and the gas passage 230 of the male connector 200 may be directly communicated with the gas pipe 510 of the burner. The female connector 100 may communicate with the gas valve 500 through a gas hose. The plug portion 220 of the male connector 200 is plugged into the gas outlet channel 120 of the female connector 100, so that gas can flow from the gas inlet channel 110 of the female connector 100 into the gas channel 230 of the male connector 200, thereby realizing gas inlet of the gas. Through setting up locking mechanism between female joint 100 and male joint 200, this locking mechanism includes sleeve 300, sleeve 300 install in female joint 100's periphery and can with the peripheral wall threaded connection of installation department 210, thereby can realize the connection locking between male joint 200 and the female joint 100 for be connected between male joint 200 and the female joint 100 more stable, in addition, this locking mechanism simple structure, only need at sleeve 300 inner wall processing internal thread 340 and install sleeve 300 in female joint 100's periphery, at the outer wall processing of installation department 210 with sleeve 300 internal thread 340 assorted external screw thread 240 can, the production and processing of being convenient for.

It will be appreciated that the sleeve 300 is mounted on the outer periphery of the female connector 100 and can be screwed with the outer periphery of the mounting portion 210, only for one exemplary illustration of fig. 1 to 7, in addition to that, the sleeve 300 may be mounted on the outer periphery of the mounting portion 210 and can be screwed with the outer periphery of the female connector 100, so that the connection locking between the male connector 200 and the female connector 100 can be achieved, the connection between the male connector 200 and the female connector 100 is more stable, and the locking mechanism is simple in structure, only the internal thread 340 needs to be processed on the inner wall of the sleeve 300 and the sleeve 300 is mounted on the outer periphery of the mounting portion 210, and the external thread 240 matched with the internal thread 340 of the sleeve 300 is processed on the outer wall of the female connector 100, thereby facilitating the production and processing.

It will be appreciated that when the sleeve 300 is mounted to the outer circumference of the female connector 100, specifically, the sleeve 300 is fitted around the outer circumference of the female connector 100 and can reciprocate relative to the female connector 100 along the length direction of the female connector 100, and the sleeve 300 can also rotate relative to the female connector 100 along the circumferential direction of the female connector 100. Therefore, when the plug portion 220 of the male connector 200 is inserted into the air outlet channel 120 of the female connector 100, only the sleeve 300 needs to be screwed to the mounting portion 210, so that the mounting portion 210 does not need to be rotated or the female connector 100 does not need to be rotated, and the male connector 200 and the female connector 100 are more conveniently and simply connected, thereby being convenient for a user to operate and use. The sleeve 300 may be directly sleeved on the outer periphery of the female connector 100, or the sleeve 300 may be screwed on the outer periphery of the female connector 100, which is not particularly limited in the present utility model.

Likewise, when the sleeve 300 is mounted to the outer periphery of the mounting portion 210, specifically, the sleeve 300 is fitted around the outer periphery of the mounting portion 210 and is capable of reciprocating relative to the mounting portion 210 along the length direction of the mounting portion 210, and the sleeve 300 is also capable of rotating relative to the mounting portion 210 along the circumferential direction of the mounting portion 210. Therefore, when the plug portion 220 of the male connector 200 is inserted into the air outlet channel 120 of the female connector 100, only the sleeve 300 needs to be rotated to make the sleeve 300 be in threaded connection with the female connector 100, and the mounting portion 210 does not need to be rotated or the female connector 100 does not need to be rotated, so that the connection between the male connector 200 and the female connector 100 is more convenient and simple, and the operation and the use of a user are facilitated. The sleeve 300 may be directly sleeved on the outer periphery of the mounting portion 210, or the sleeve 300 may be screwed on the outer periphery of the mounting portion 210, which is not particularly limited in the present utility model.

Referring to fig. 3 to 6, in some embodiments, the sleeve 300 is movably mounted on the outer periphery of the female connector 100, the locking mechanism further includes a first limiting portion 310 disposed on the outer peripheral wall of the female connector 100, the inner wall of the sleeve 300 is provided with an inwardly protruding abutting portion 330, the abutting portion 330 is located on a side of the first limiting portion 310 away from the mounting portion 210, and the sleeve 300 can move relatively to the female connector 100 to be close to the mounting portion 210 of the male connector 200 and abut against the first limiting portion 310.

In the above-described structure, by providing the first limiting portion 310 on the outer wall of the female connector 100 and providing the abutting portion 330 on the inner wall of the sleeve 300, when the plug portion 220 of the male connector 200 is plugged into the air outlet channel 120 of the female connector 100, the sleeve 300 is rotated so that the sleeve 300 is screwed with the outer peripheral wall of the mounting portion 210 until the abutting portion 330 of the inner wall of the sleeve 300 abuts against the first limiting portion 310, thereby completing the locking connection of the male connector 200 and the female connector 100. The first limiting portion 310 is provided to prevent the sleeve 300 from being pulled out from the air outlet end of the female connector 100.

It is to be understood that the first limiting portion 310 may specifically be a convex ring mounted on the outer peripheral wall of the female connector 100, specifically, the outer peripheral wall of the female connector 100 is provided with a mounting groove arranged along the circumferential direction of the female connector 100, and the convex ring is mounted in the mounting groove and protrudes out of the outer peripheral wall of the female connector 100. During installation, the sleeve 300 can be installed on the outer periphery of the female connector 100, and then the convex ring is installed, so that the sleeve 300 is limited on the outer periphery of the female connector 100, and the sleeve 300 is prevented from falling out of the air outlet end of the female connector 100. Alternatively, the first limiting portion 310 may be integrally formed with the outer peripheral wall of the female connector 100, so as to facilitate the processing and forming of the first limiting portion 310.

Referring to fig. 3 to 6, in some embodiments, the locking mechanism further includes a second limiting portion 320 disposed on the outer peripheral wall of the female connector 100, the second limiting portion 320 is located on a side of the first limiting portion 310 away from the mounting portion 210, and the abutment portion 330 is located between the first limiting portion 310 and the second limiting portion 320, and the sleeve 300 can move away from the mounting portion 210 of the male connector 200 relative to the female connector 100 and cause the abutment portion 330 to abut against the second limiting portion 320.

In the above-mentioned structure, the setting of second spacing portion 320 can avoid sleeve 300 to deviate from the air inlet end of female joint 100, and second spacing portion 320 can cooperate with first spacing portion 310 and carry out spacing to sleeve 300 for sleeve 300 can movable mounting in the periphery of female joint 100 and can't deviate from.

It should be understood that the second limiting portion 320 may be a convex ring mounted on the outer peripheral wall of the female connector 100, or the second limiting portion 320 may be integrally formed with the outer peripheral wall of the female connector 100, which is not particularly limited in the present utility model.

Referring to fig. 3 to 6, in some embodiments, a communication port is formed between the gas inlet channel 110 and the gas outlet channel 120, a valve core assembly capable of controlling the opening or closing of the communication port is movably mounted in the female connector 100, and the plugging portion 220 can be plugged into the gas outlet channel 120 and push the valve core assembly to open the communication port, so that the gas inlet channel 110 and the gas channel 230 are mutually communicated.

In the above-described structure, by providing the valve core assembly, leakage of fuel gas can be avoided, that is, only when the plug portion 220 of the male connector 200 is inserted into the gas outlet channel 120 of the female connector 100 and the valve core assembly is pushed open, fuel gas in the gas inlet channel 110 can flow into the gas channel 230 of the male connector 200, and safety of the female connector 100 and the male connector 200 in use is improved.

Referring to fig. 3 to 6, two first sealing rings 130 are disposed on the inner wall of the air outlet channel 120, the two first sealing rings 130 are disposed along the length direction of the air outlet channel 120, all the first sealing rings 130 are located on one side of the valve core assembly close to the air outlet end of the female connector 100, and when the plug-in portion 220 is inserted into the air outlet channel 120, all the first sealing rings 130 are in interference fit with the outer peripheral wall of the plug-in portion 220.

In the above structure, by arranging the two first sealing rings 130 in the air outlet channel 120 and on the side of the valve core assembly close to the air outlet end of the female connector 100, in the process that the plug-in part 220 of the male connector 200 is inserted into the air outlet channel 120 of the female connector 100, the plug-in part 220 is in interference fit with the first sealing rings 130, so as to seal the air outlet channel 120, and then the plug-in part 220 is abutted to the valve core assembly and pushes the valve core assembly to open the communication port, so that the air inlet channel 110 and the air channel 230 are mutually communicated, thereby further preventing leakage of fuel gas and improving the sealing performance of the air inlet connector.

It should be understood that, the inner wall of the air outlet channel 120 is provided with two first sealing rings 130, the two first sealing rings 130 can realize double sealing, so as to further improve the sealing effect of the air inlet connector, but this is only an exemplary illustration of fig. 3 to 6, and the number of the first sealing rings 130 can be two, one, three or more, and the utility model is not limited in particular, only the inner wall of the air outlet channel 120 is provided with at least one first sealing ring 130, and all the first sealing rings 130 are located on one side of the valve core assembly close to the air outlet end of the female connector 100, when the plug portion 220 is inserted into the air outlet channel 120, the first sealing rings 130 are in interference fit with the outer peripheral wall of the plug portion 220.

Referring to fig. 3 to 6, in some embodiments, the valve cartridge assembly includes a valve cartridge 140 movably installed to the outlet channel 120 and provided with a communication channel 141 communicating with the outlet channel 120, and an elastic member 150 installed between the valve cartridge 140 and a circumferential wall of the inlet channel 110. When the plug portion 220 is inserted into the air outlet channel 120, the plug portion 220 can abut against the valve core 140 and enable the air channel 230 to be communicated with the air inlet channel 110, and the plug portion 220 can push the valve core 140 to move close to the air inlet channel 110 and enable the air inlet channel 141 to be communicated with the air inlet channel 110.

In the above-described structure, the valve body 140 is installed in the outlet passage 120 of the female connector 100 and the communication passage 141 communicating with the outlet passage 120 is opened, when the female connector 100 is not connected with the male connector 200, the valve body 140 is located in the outlet passage 120 and the communication passage 141 of the valve body 140 communicates with only the outlet passage 120, and when the plug-in portion 220 of the male connector 200 is inserted into the outlet passage 120 and communicates with the communication passage 141 of the valve body 140, the plug-in portion 220 can push the valve body 140 to move toward the inlet passage 110 and open the communication port so that the communication passage 141 communicates with the inlet passage 110, and further so that the gas passage 230 of the male connector 200 can communicate with the inlet passage 110 through the communication passage 141, thereby achieving the gas inlet of the gas. When the plug portion 220 of the male connector 200 is pulled out of the gas outlet channel 120 of the female connector 100, the valve element 140 can move back to the gas outlet channel 120 and close the communication port under the elastic action of the elastic member 150, thereby preventing leakage of fuel gas.

It can be appreciated that the above-mentioned plug portion 220 can be abutted against the valve core 140 and enable the gas channel 230 to be communicated with the communication channel 141, specifically, referring to fig. 3 and 4, the plug portion 220 can be abutted against the valve core 140 and enable the gas channel 230 of the male connector 200 to be directly communicated with the communication channel 141 of the valve core 140, and of course, in addition, a thimble protruding from the air inlet end of the plug portion 220 may be disposed in the plug portion 220, when the plug portion 220 is inserted into the air outlet channel 120 of the female connector 100, the gas channel 230 of the male connector 200 is communicated with the air outlet channel 120 of the female connector 100, that is, the gas channel 230 is communicated with the communication channel 141 of the valve core 140 through the air outlet channel 120, and the thimble of the plug portion 220 can be abutted against the valve core 140 and push the valve core 140 to move towards the air inlet channel 110 to open the communication port, so that the air inlet channel 110 and the air outlet channel 120 are mutually communicated, thereby also realizing air inlet of the fuel gas.

It should be understood that the valve element 140 is installed in the air outlet channel 120 and provided with the communication channel 141 communicating with the air outlet channel 120, only for one exemplary illustration of fig. 3 to 6, in some embodiments, the valve element 140 may also be a solid structure disposed in the air inlet channel 110 and block the communication port, the plug portion 220 is provided with a thimble protruding from the air inlet end of the plug portion 220, when the plug portion 220 is inserted into the air outlet channel 120 of the female connector 100, the air channel 230 of the male connector 200 is communicated with the air outlet channel 120 of the female connector 100, and the thimble of the plug portion 220 can abut against the valve element 140 and push the valve element 140 to move towards the air inlet channel 110 to open the communication port, so that the air inlet channel 110 and the air outlet channel 120 are mutually communicated, thereby also realizing air inlet of fuel gas.

It will be appreciated that the resilient member 150 may alternatively be a compression spring, and in particular a conical helical compression spring. In addition, the elastic member 150 may alternatively have other elastic structures, which is not particularly limited in the present utility model. The elastic member 150 is installed between the valve body 140 and the circumferential wall of the intake passage 110, wherein, referring to fig. 3 to 6, the inner wall of the intake passage 110 is provided with a step, one end of the elastic member 150 is abutted against the step, and the other end is abutted against the valve body 140, which can facilitate the installation of the spring and the valve body 140, however, in addition to this, the elastic member 150 may be connected to the step at one end and the valve body 140 at the other end, or connected to the valve body 140 at one end and the step at the other end, which is not particularly limited in this utility model.

Referring to fig. 3 to 6, in some embodiments, the communication channel 141 has an air outlet 143 and four air inlets 142, the air outlet 143 is formed at one end of the valve core 140 away from the air inlet channel 110, all the air inlets 142 are formed on a peripheral wall of the valve core 140 and are sequentially arranged along a circumferential direction of the valve core 140, when the plug-in portion 220 is inserted into the air outlet channel 120, the plug-in portion 220 can abut against the valve core 140 and enable the air channel 230 to be communicated with the air outlet 143 of the communication channel 141, and the plug-in portion 220 can push the valve core 140 to move close to the air inlet channel 110 and enable at least one air inlet 142 to be communicated with the air inlet channel 110.

In the above structure, by disposing the air outlet 143 of the communication channel 141 at the end of the valve core 140 away from the air inlet channel 110, when the plug portion 220 of the male connector 200 is plugged into the air outlet channel 120 and abuts against the valve core 140, the air channel 230 of the male connector 200 can be directly aligned with the air outlet 143 of the valve core 140 and is communicated with the communication channel 141 of the valve core 140. By providing the air inlet 142 of the communication passage 141 on the peripheral wall of the valve body 140, when the plug-in portion 220 pushes the valve body 140 to move into the air inlet passage 110 and open the communication port, the air inlet passage 110 can directly communicate with the air inlet 142 of the peripheral wall of the valve body 140, whereby the gas in the air inlet passage 110 can flow from the air inlet 142 into the communication passage 141 of the valve body 140 and from the communication passage 141 into the gas passage 230 of the male joint 200, thereby achieving the air intake of the gas. By setting the number of the intake ports 142 to four, and arranging the four intake ports 142 at intervals along the circumferential direction of the spool 140, the communication area between the intake passage 110 and the communication passage 141 of the spool 140 can be further increased, and the intake air amount of the fuel gas can be increased.

It is to be understood that the number of the above-described air inlets 142 is four, and only one exemplary description is given for fig. 3 to 6, but in addition to this, the number of the air inlets 142 may be set to two, three, five or more in order to increase the amount of intake air of the fuel gas, and the present utility model is not particularly limited thereto.

Referring to fig. 3 to 6, in some embodiments, the valve core 140 has a sealing portion extending to the air inlet channel 110, a second sealing ring 161 is sleeved on the outer periphery of the sealing portion, one end of the air inlet channel 110, which is close to the air outlet channel 120, is provided with a conical inclined surface, and the second sealing ring 161 can abut against the conical inclined surface and close the communication port under the elastic force of the elastic member 150.

In the above structure, by providing the sealing portion, the second seal ring 161 capable of abutting against the tapered inclined surface is provided around the sealing portion, so that the communication port between the air inlet channel 110 and the air outlet channel 120 can be better blocked, the gas leakage can be further prevented, and the safety performance of the air inlet joint can be improved.

As can be appreciated, referring to fig. 3 to 6, the valve element 140 may be abutted against the elastic member 150 through a sealing portion, and in order to improve the installation stability of the elastic member 150, one end of the sealing portion, which is close to the elastic member 150, may be provided as a guide post structure, so that the elastic member 150 may be sleeved on the outer periphery of the guide post, and further, the occurrence of defects such as displacement of the elastic member 150 may be avoided.

It can be appreciated that, referring to fig. 3 to 6, in order to facilitate opening of the communication port, an annular recess may be disposed on a peripheral wall of the valve core 140, and all the air inlets 142 are disposed in the annular recess, so that the plug portion 220 only needs to push the valve core 140 to the annular recess to be partially located in the air inlet channel 110, and the communication port can be opened, so that the fuel gas in the air inlet channel 110 can flow to the air inlets 142, and further, the opening of the communication port is more convenient and simple.

Referring to fig. 2 and 7, in some embodiments, the sleeve 300 is mounted to the outer circumference of the female joint 100, the outer circumferential wall of the mounting portion 210 is provided with external threads 240 for threaded connection with the sleeve 300, and the outer circumferential wall of the mounting portion 210 is further provided with a flat portion 211 for positioning mounting.

In the above-described structure, one end of the sleeve 300 is mounted on the outer circumference of the female joint 100, the inner wall of the other end is provided with the female screw 340, and the outer circumferential wall of the mounting portion 210 is provided with the male screw 240 adapted to the female screw 340 of the sleeve 300, whereby the locking connection of the male joint 200 and the female joint 100 can be achieved. In addition, by providing the planar portion 211 for positioning and mounting on the outer peripheral wall of the mounting portion 210, that is, by making the cross section of the mounting portion 210 non-circular, during mounting, mounting holes that are adapted to the cross section of the mounting portion 210 can be formed in the cooktop mounting plate 400, so that the mounting portion 210 can be positioned when the mounting portion 210 is mounted in the mounting holes of the cooktop mounting plate 400, and the mounting portion 210 is prevented from rotating relative to the cooktop mounting plate 400.

It will be appreciated that referring to fig. 7, the outer peripheral wall of the mounting portion 210 is provided with only one flat portion 211, and is simple in structure and easy to manufacture. Of course, two or more planar portions 211 may be provided in addition to the above, and the present utility model is not limited thereto, and the cross section of the mounting portion 210 may be non-circular, so that the mounting of the male connector 200 may be easily positioned.

Referring to fig. 2 and 7, in some embodiments, the male connector 200 is further provided with a lap portion 250 and a fastener 260, the lap portion 250 being provided on a side of the mounting portion 210 remote from the socket portion 220, the fastener 260 being threadably coupled to the arcuate segment and being movable relative to the mounting portion 210 toward the lap portion 250.

In the above structure, when the male connector 200 is mounted to the kitchen range mounting plate 400, the overlap 250 can clamp the kitchen range mounting plate 400 in cooperation with the fastener 260, so that the mounting of the male connector 200 is more stable. During installation, the male connector 200 is penetrated into the installation hole of the kitchen range installation plate 400, so that the lap joint part 250 is lapped on the kitchen range installation plate 400, then the fastening piece 260 is sleeved on the installation part 210 from one end of the male connector 200, which is close to the plug joint part 220, and is in threaded connection with the installation part 210, and the fastening piece 260 is rotated so that the fastening piece 260 moves close to the lap joint part 250, thereby being capable of clamping the kitchen range installation plate 400 in a matched manner with the lap joint part 250, and further enabling the male connector 200 to be stably installed on the kitchen range installation plate 400. Simple structure, and easy dismounting.

It will be appreciated that the fastener 260 may be a nut that is adapted to the external thread 240 of the mounting portion 210, and is simple in structure and convenient to manufacture.

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

Claims

1. The gas air inlet joint, its characterized in that includes:

a female joint (100) having an inlet passage (110) and an outlet passage (120) which are communicated with each other;

a male connector (200) having a mounting portion (210) and a plug portion (220), the male connector (200) further having a gas channel (230) penetrating the mounting portion (210) and the plug portion (220), the plug portion (220) being insertable into the gas outlet channel (120), the mounting portion (210) being located at an end of the plug portion (220) facing away from the female connector (100);

the locking mechanism comprises a sleeve (300), wherein the sleeve (300) is installed on the outer periphery of the female joint (100) and can be in threaded connection with the outer peripheral wall of the installation part (210), or the sleeve (300) is installed on the outer periphery of the installation part (210) and can be in threaded connection with the outer peripheral wall of the female joint (100).

2. The gas inlet joint according to claim 1, wherein the sleeve (300) is movably mounted on the outer periphery of the female joint (100), the locking mechanism further comprises a first limiting portion (310) arranged on the outer peripheral wall of the female joint (100), an inward protruding abutting portion (330) is arranged on the inner wall of the sleeve (300), the abutting portion (330) is located on one side, away from the mounting portion (210), of the first limiting portion (310), and the sleeve (300) can move relatively to the female joint (100) to be close to the mounting portion (210) and abut against the first limiting portion (310).

3. The gas inlet joint according to claim 2, wherein the locking mechanism further comprises a second limiting portion (320) provided on the outer peripheral wall of the female joint (100), the second limiting portion (320) being located on a side of the first limiting portion (310) facing away from the mounting portion (210),

the abutting portion (330) is located between the first limiting portion (310) and the second limiting portion (320), and the sleeve (300) can move away from the mounting portion (210) relative to the female connector (100) and enable the abutting portion (330) to abut against the second limiting portion (320).

4. The gas inlet joint according to claim 1, wherein a communication port is arranged between the gas inlet channel (110) and the gas outlet channel (120), a valve core component capable of controlling the opening or closing of the communication port is movably arranged in the female joint (100),

the plug-in part (220) can be inserted into the air outlet channel (120) and push the valve core assembly to open the communication port, so that the air inlet channel (110) and the air channel (230) are communicated with each other.

5. The gas inlet connector according to claim 4, wherein at least one first sealing ring (130) is disposed on an inner wall of the gas outlet channel (120), all the first sealing rings (130) are located on a side of the valve core assembly, which is close to the gas outlet end of the female connector (100), and when the plugging portion (220) is plugged into the gas outlet channel (120), the first sealing rings (130) are in interference fit with an outer peripheral wall of the plugging portion (220).

6. The gas inlet joint according to claim 4, wherein the valve core assembly comprises a valve core (140) and an elastic member (150), the valve core (140) is movably mounted on the gas outlet channel (120) and provided with a communication channel (141) communicated with the gas outlet channel (120), the elastic member (150) is mounted between the valve core (140) and the peripheral wall of the gas inlet channel (110),

when the plug-in part (220) is inserted in the air outlet channel (120), the plug-in part (220) can be abutted to the valve core (140) and enable the air channel (230) to be communicated with the communication channel (141), and the plug-in part (220) can push the valve core (140) to move close to the air inlet channel (110) and enable the communication channel (141) to be communicated with the air inlet channel (110).

7. The gas inlet joint according to claim 6, wherein the communication channel (141) has an air outlet (143) and at least two air inlets (142), the air outlet (143) is opened at one end of the valve core (140) facing away from the air inlet channel (110), all the air inlets (142) are opened at the peripheral wall of the valve core (140) and are sequentially arranged along the circumferential direction of the valve core (140),

when the plug-in part (220) is inserted in the air outlet channel (120), the plug-in part (220) can be abutted to the valve core (140) and enable the air channel (230) to be communicated with the air outlet (143) of the communication channel (141), and the plug-in part (220) can push the valve core (140) to move close to the air inlet channel (110) and enable at least one air inlet (142) to be communicated with the air inlet channel (110).

8. The gas inlet joint according to claim 6, characterized in that the valve core (140) has a sealing portion extending to the inlet channel (110), a second sealing ring (161) is sleeved on the periphery of the sealing portion,

one end of the air inlet channel (110) close to the air outlet channel (120) is provided with a conical inclined surface, and the second sealing ring (161) can be abutted to the conical inclined surface under the action of the elasticity of the elastic piece (150) and close the communication port.

9. The gas inlet joint according to claim 1, characterized in that the sleeve (300) is mounted to the outer periphery of the female joint (100),

the outer peripheral wall of the mounting part (210) is provided with an external thread (240) for being in threaded connection with the sleeve (300), and the outer peripheral wall of the mounting part (210) is also provided with a plane part (211) for positioning and mounting.

10. The gas inlet joint according to claim 9, wherein the male joint (200) is further provided with a lap joint (250) and a fastener (260), the lap joint (250) being provided on a side of the mounting portion (210) remote from the plug-in portion (220), the fastener (260) being threadably connected to the mounting portion (210) and being movable closer to the lap joint (250) relative to the mounting portion (210).