CN214579055U - Gas valve group and gas equipment - Google Patents

Abstract

The utility model discloses a gas valves and gas equipment that has it, gas valves include linkage subassembly, casing subassembly and connect in casing subassembly switching mechanism, steady voltage mechanism, are equipped with inlet channel, gas outlet channel and a plurality of interface channel on the casing subassembly, can communicate between inlet channel and the gas outlet channel, have first intercommunication state and second intercommunication state between a plurality of interface channels, switching mechanism can switch over the intercommunication state of interface channel; the pressure stabilizing mechanism can stabilize the pressure of the fuel gas between the gas inlet channel and the gas outlet channel and has a first pressure stabilizing state and a second pressure stabilizing state; the linkage assembly comprises a fixing piece and a linkage piece, the fixing piece is connected to the shell assembly, the linkage piece is hinged to the fixing piece, and the switching mechanism can drive the linkage piece to rotate, so that the linkage piece can drive the voltage stabilizing mechanism to switch to a corresponding voltage stabilizing state. The utility model has the advantages of simple and reasonable structure, the connection stability of linkage is better, the production of being convenient for is used.

Description

Gas valve group and gas equipment

Technical Field

The utility model relates to a gas equipment field, in particular to gas valves and gas equipment.

Background

With the continuous development of society, the types of gas which can be selected by people are gradually increased, such as high-pressure gas such as liquefied petroleum gas, propane and the like, and low-pressure gas such as natural gas, artificial gas and the like, and the pressure is different, so that the conventional gas equipment is generally provided with a pressure stabilizing valve capable of adjusting the pressure of the applicable gas in order to be better suitable for the gas with different pressures, the pressure suitable for the pressure stabilizing valve is manually adjusted according to the different types of the used gas, and the connection and the closing of a pipeline system are changed through a switching valve, so that the connection state of different gas circuits is switched according to different gas. For the operation of convenience of a user, the conventional gas valve bank can be provided with a linkage piece which links a valve rod of the switching valve and an elastic component of the pressure stabilizing valve together, the linkage piece is connected to the valve rod and used for abutting against the elastic component, the linkage piece is pushed and pushed by the pressing valve rod to move and push the elastic component, so that the acting force of the elastic component acting on the diaphragm can be changed, and the applicable state of the pressure stabilizing valve is adjusted while the communication state of a pipeline system is switched. Because the parts connected with the two ends of the linkage piece can move, the connection stability is poor, the linkage piece is easy to loosen and deviate to cause linkage failure, and the normal use of the gas valve group is influenced; part valves can be provided with a plurality of guide structure in linkage department to improve the connection stability of linkage, nevertheless lead to the structure of valves to become comparatively complicated like this, be not convenient for production and application.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a gas valves, its simple structure is reasonable, and the connection stability of linkage is better, and the reliability is better, the production and application of being convenient for.

The utility model also provides a gas equipment of having this gas valves.

The gas valve bank comprises a shell component, a switching mechanism, a pressure stabilizing mechanism and a linkage component, wherein an air inlet channel, an air outlet channel and a plurality of connecting channels are arranged on the shell component, the air inlet channel and the air outlet channel can be communicated, and a first communication state suitable for low-pressure gas and a second communication state suitable for high-pressure gas are arranged between the connecting channels; the switching mechanism is connected to the shell assembly and can switch the connecting channel between a first communication state and a second communication state; the pressure stabilizing mechanism is connected to the shell assembly and can stabilize the pressure of the fuel gas conveyed between the air inlet channel and the air outlet channel, and the pressure stabilizing mechanism is provided with a first pressure stabilizing state suitable for low-pressure fuel gas and a second pressure stabilizing state suitable for high-pressure fuel gas; the linkage assembly comprises a fixing piece and a linkage piece, the fixing piece is connected to the shell assembly, the linkage piece is hinged to the fixing piece, and when the switching mechanism drives the connecting channel to switch between a first communication state and a second communication state, the switching mechanism can drive the linkage piece to rotate relative to the fixing piece, so that the linkage piece can drive the voltage stabilizing mechanism to switch between a first voltage stabilizing state and a second voltage stabilizing state correspondingly.

According to the utility model discloses gas valves, it has following beneficial effect at least: during the use, inlet channel, outlet channel and linking channel all are connected with the pipe-line system among the gas equipment, when the air supply that uses switches, according to the air supply type that switches, adjust the intercommunication condition between a plurality of linking channel through switching mechanism, so that it switches between first intercommunication state and second intercommunication state, thereby change pipe-line system's intercommunication condition, and, when switching mechanism switches the regulation, switching mechanism can order about linkage relative mounting and rotate, so that linkage can order about pressure stabilizing mechanism and correspond and switch between first steady voltage state and second steady voltage state, thereby be applicable to the air supply type that switches. Through setting up the mounting to make the linkage articulated with it, the linkage makes switching mechanism and steady voltage mechanism linkage through the pivoted mode, and the mounting is its rotation support, and the connection stability of linkage is better, can reduce its not hard up possibility of skew, and the reliability is better, and simple structure is reasonable, the production and application of being convenient for.

According to some embodiments of the present invention, the housing assembly includes a first housing, a second housing and a third housing, the pressure stabilizing mechanism includes a diaphragm and an elastic assembly, the diaphragm is connected between the first housing and the second housing, the diaphragm is connected with the first housing in a sealing manner to form a first cavity, the diaphragm is connected with the second housing in a sealing manner to form a second cavity, the air inlet channel and the air outlet channel are both disposed in the first housing and both communicate with the first cavity, the elastic assembly is connected with the second housing and acts on the diaphragm, the diaphragm can deform and extend and can stabilize the gas pressure between the air inlet channel and the air outlet channel; the switching mechanism comprises a valve rod and a valve core, the third shell is provided with a valve core channel, the connecting channel is arranged on the third shell and communicated with the valve core channel, the valve core can be rotationally arranged in the valve core channel, the valve rod is movably inserted in the third shell, one end of the valve rod extends into the valve core channel and can drive the valve core to rotate, the valve core can enable the valve core channel and the connecting channel to be communicated or closed, so that a plurality of the connection passages are switched between a first communication state and a second communication state, the linkage piece is respectively connected with the valve rod and the elastic component, the valve rod can drive the linkage piece to rotate relative to the fixing piece so as to adjust the acting force of the elastic component on the diaphragm through the linkage piece, thereby switching the voltage stabilization mechanism between the first voltage stabilization state and the second voltage stabilization state.

According to some embodiments of the utility model, the one end of linkage piece connect in the valve rod, the other end of linkage piece connect in elastic component, be equipped with on the linkage piece with the articulated portion of mounting, articulated portion set up in between the both ends of linkage piece.

According to some embodiments of the utility model, the linkage subassembly still includes first elastic component, be equipped with butt portion on the valve rod, be equipped with the joint breach on the linkage piece, the valve rod card go into extremely the joint breach, first elastic component cover is located the valve rod, the linkage piece can under the effect of first elastic component the butt in butt portion.

According to some embodiments of the utility model, be equipped with the first spacing groove corresponding with first connected state on the third casing, be equipped with the second spacing groove corresponding with second connected state on the third casing, first spacing groove has first tank bottom, the second spacing groove has the second tank bottom, first tank bottom with the second tank bottom is followed the moving direction interval of valve rod sets up just first tank bottom is located the below of second tank bottom, be equipped with joint portion on the valve rod, the valve rod with be connected with the second elastic component between the case, joint portion can under the effect of second elastic component the butt in first tank bottom, joint portion can under the effect of second elastic component the butt in the second tank bottom.

According to the utility model discloses a some embodiments, first spacing groove with the second spacing groove all set up in the case passageway and all be located the upper portion of case passageway, joint portion is located in the case passageway, correspond on the case and be equipped with the confession the joint groove that joint portion card goes into, correspond on the case connect the passageway is equipped with the intercommunicating pore, the intercommunicating pore can make at least two communicate between the connect the passageway.

According to some embodiments of the utility model, the diaphragm is connected with the pressure stabilizing pole, the pressure stabilizing pole is located first chamber, the lower extreme of pressure stabilizing pole is located inlet channel's gas outlet department and with the clearance has between inlet channel's the gas outlet, the diaphragm can deform the extension in order to drive the pressure stabilizing pole reciprocates, thereby adjusts the lower extreme of pressure stabilizing pole with clearance between inlet channel's the gas outlet.

According to some embodiments of the utility model, the elastic component includes first connecting piece, third elastic component and fourth elastic component, first connecting piece sliding connection in on the second casing, the both ends of third elastic component connect respectively in first connecting piece with the second casing, first connecting piece can under the effect of third elastic component the butt in the linkage, the upper end of fourth elastic component with the lower extreme of first connecting piece is connected, the lower extreme of fourth elastic component can act on the diaphragm, the linkage can push away first connecting piece downstream, in order to change the fourth elastic component acts on the effort of diaphragm.

According to some embodiments of the utility model, the elastic component still includes second connecting piece and fifth elastic component, the second connecting piece pass through threaded connection in the second casing is located the below of first connecting piece, the upper end of fifth elastic component connect in the second connecting piece, the lower extreme of fifth elastic component acts on the diaphragm, the second connecting piece can close and be relative through the screw thread the second casing reciprocates.

According to the utility model discloses a second aspect embodiment gas equipment, it includes according to the utility model discloses the gas valves of above-mentioned first aspect embodiment.

According to the utility model discloses gas equipment, it has following beneficial effect at least: by adopting the gas valve bank, the gas valve bank is simple and reasonable in structure, convenient to use and operate, good in reliability and convenient to produce and apply.

Additional aspects and advantages of the invention 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 invention.

Drawings

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

fig. 1 is a schematic structural view of a gas valve assembly according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the gas valve assembly of FIG. 1;

FIG. 3 is a second schematic cross-sectional view of the gas valve assembly of FIG. 1;

FIG. 4 is a third schematic cross-sectional view of the gas valve assembly of FIG. 1;

FIG. 5 is a partial schematic structural view of the gas valve assembly of FIG. 1;

fig. 6 is a schematic cross-sectional structure view of the third housing in fig. 1.

Reference numerals:

the gas valve comprises a shell assembly 100, a gas inlet channel 101, a gas outlet channel 102, a connecting channel 103, a first shell 110, a second shell 120, a third shell 130, a valve core channel 131, a first limiting groove 132, a second limiting groove 133, a first groove bottom 134 and a second groove bottom 135;

the switching mechanism 200, the valve rod 210, the abutting part 211, the clamping part 212, the valve core 220, the clamping groove 221, the communication hole 222 and the second elastic piece 230;

the pressure stabilizing mechanism 300, the diaphragm 310, the first cavity 311, the second cavity 312, the elastic component 320, the first connecting piece 321, the third elastic piece 322, the fourth elastic piece 323, the second connecting piece 324, the fifth elastic piece 325 and the pressure stabilizing rod 330;

the linkage assembly 400, the fixing member 410, the linkage member 420, the hinge portion 421, the clamping gap 422, and the first elastic member 430.

Detailed Description

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

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

In the description of the present invention, if there are several, greater than, less than, exceeding, above, below, within, etc., the terms, wherein several means are one or more, and several means are two or more, and greater than, less than, exceeding, etc. are understood as not including the number, and above, below, within, 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 there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 2 and 5, a gas valve set comprises a housing assembly 100, a switching mechanism 200, a pressure stabilizing mechanism 300 and a linkage assembly 400, wherein the housing assembly 100 is provided with an air inlet channel 101, an air outlet channel 102 and a plurality of connecting channels 103, the air inlet channel 101 and the air outlet channel 102 can be communicated, and the plurality of connecting channels 103 have a first communication state suitable for low-pressure gas and a second communication state suitable for high-pressure gas; the switching mechanism 200 is connected to the housing assembly 100 and is capable of switching the connection passage 103 between the first communication state and the second communication state; the pressure stabilizing mechanism 300 is connected to the housing assembly 100 and can stabilize the pressure of the gas transmitted between the gas inlet channel 101 and the gas outlet channel 102, and the pressure stabilizing mechanism 300 has a first pressure stabilizing state suitable for low-pressure gas and a second pressure stabilizing state suitable for high-pressure gas; the linkage assembly 400 comprises a fixed part 410 and a linkage part 420, the fixed part 410 is connected to the housing assembly 100, the linkage part 420 is hinged to the fixed part 410, when the switching mechanism 200 drives the connecting channel 103 to switch between the first communication state and the second communication state, the switching mechanism 200 can drive the linkage part 420 to rotate relative to the fixed part 410, so that the linkage part 420 can drive the voltage stabilizing mechanism 300 to switch between the first voltage stabilizing state and the second voltage stabilizing state.

It will be appreciated that as shown in figures 1, 2 and 5, the housing assembly 100 is provided with an inlet channel 101, an outlet channel 102 and a plurality of connecting channels 103 which, in use, the inlet channel 101, the outlet channel 102 and the connecting channel 103 are connected with the gas pipeline in the pipeline system according to the actual use condition, when the used gas source is switched, according to the type of the switched gas source, the communication condition among the plurality of connecting channels 103 is adjusted by the switching mechanism 200, so as to be switched between a first communication state and a second communication state, thereby changing the communication of the pipe system, and, while the switching mechanism 200 performs the switching adjustment, the switching mechanism 200 can drive the link member 420 to rotate relative to the fixed member 410, so that the linkage 420 can drive the pressure stabilizing mechanism 300 to switch between the first pressure stabilizing state and the second pressure stabilizing state correspondingly, thereby being suitable for the switched air source type. Through setting up mounting 410 to make linkage 420 articulated with it, linkage 420 makes switching mechanism 200 and steady voltage mechanism 300 linkage through the pivoted mode, and mounting 410 is its rotation support, and linkage 420's connection stability is better, can reduce its not hard up possibility of skew, improves the reliability of using, and simple structure is reasonable, the production and application of being convenient for.

In practical applications, the number of the connecting channels 103 can be set according to practical needs, such as three, four, or five, and the specific communication conditions between the first communication state and the second communication state can be set according to the specific structure of the pipeline system connected in practical applications, and those skilled in the art can understand that the connecting channels can be set correspondingly; the specific structures of the switching mechanism 200 and the voltage stabilizing mechanism 300 can be set according to actual use requirements, and will not be described in detail herein, and will be described in detail below.

In some embodiments, the housing assembly 100 includes a first housing 110, a second housing 120, and a third housing 130, the pressure stabilizing mechanism 300 includes a diaphragm 310 and an elastic assembly 320, the diaphragm 310 is connected between the first housing 110 and the second housing 120, the diaphragm 310 is connected to the first housing 110 in a sealing manner to form a first cavity 311, the diaphragm 310 is connected to the second housing 120 in a sealing manner to form a second cavity 312, the air inlet channel 101 and the air outlet channel 102 are both disposed in the first housing 110 and both communicate with the first cavity 311, the elastic assembly 320 is connected to the second housing 120 and acts on the diaphragm 310, and the diaphragm 310 can deform and expand and can stabilize the gas pressure between the air inlet channel 101 and the air outlet channel 102; the switching mechanism 200 includes a valve rod 210 and a valve core 220, the third housing 130 is provided with a valve core passage 131, the connecting passage 103 is disposed in the third housing 130 and communicated with the valve core passage 131, the valve core 220 is rotatably disposed in the valve core passage 131, the valve rod 210 is movably inserted in the third housing 130, one end of the valve rod 210 extends into the valve core passage 131 and can drive the valve core 220 to rotate, the valve core 220 can enable the valve core passage 131 and the connecting passage 103 to be communicated or closed, so that the plurality of connecting channels 103 are switched between a first communication state and a second communication state, the linkage member 420 is respectively connected with the valve stem 210 and the elastic member 320, the valve stem 210 can drive the linkage member 420 to rotate relative to the fixing member 410, to adjust the force of the elastic assembly 320 acting on the diaphragm 310 through the link 420, thereby switching the voltage stabilization mechanism 300 between the first and second voltage stabilization states.

It can be understood that, as shown in fig. 1, 2 and 5, the housing assembly 100 includes a first housing 110, a second housing 120 and a third housing 130, and the fixing member 410 is fixedly coupled to the second housing 120. When the gas pressure stabilizing mechanism is used, gas enters the first cavity 311 from the gas inlet channel 101, the membrane 310 deforms and extends according to the gas inlet pressure so as to stabilize the gas pressure between the gas inlet channel 101 and the gas outlet channel 102, when the gas pressure is switched, the valve rod 210 is rotated according to the type of the switched gas source, the valve core 220 is driven by the valve rod 210 to rotate, the valve core 220 can enable the valve core channel 131 and each connecting channel 103 to be communicated or closed, so that the connecting channels 103 are switched to be in a first communication state or a second communication state, the valve rod 210 can drive the linkage piece 420 to rotate relative to the fixing piece 410, the acting force of the elastic component 320 acting on the membrane 310 is adjusted through the linkage piece 420, the capacity that the membrane 310 can deform and extend is adjusted and changed, the gas pressure stabilizing mechanism 300 can be suitable for gas with different pressures, the switching between the first pressure stabilizing state and the second pressure stabilizing state is realized, and the structure is simple, and is convenient to use.

In practical application, the fixing member 410 may be integrally formed on the housing, or connected to the housing by welding or screwing, and the specific structures of the switching mechanism 200 and the pressure stabilizing mechanism 300 may be changed according to practical use requirements, for example, the switching mechanism 200 may be a plug valve, a ball valve, etc., and the pressure stabilizing mechanism 300 may be a single-stage or two-stage pressure stabilizing valve, etc., which should be understood by those skilled in the art; the specific manner in which the diaphragm 310 can stabilize the gas pressure between the inlet channel 101 and the outlet channel 102 will be described in detail below, and the specific structures of the elastic assembly 320, the linkage assembly 400, the valve stem 210 and the valve core 220 will not be described in detail herein, and will be described in detail below.

In some embodiments, one end of the linking member 420 is connected to the valve stem 210, the other end of the linking member 420 is connected to the elastic component 320, the linking member 420 is provided with a hinge portion 421 hinged to the fixing member 410, and the hinge portion 421 is disposed between two ends of the linking member 420.

It can be understood that, as shown in fig. 1, fig. 2 and fig. 5, the linkage member 420 is a long-strip sheet structure, two ends of the linkage member 420 are respectively connected to the valve rod 210 and the elastic assembly 320, and the hinge portion 421 is disposed between two ends of the linkage member 420 to form a lever structure, so that on one hand, a supporting point of the fixing member 410 for the linkage member 420 and a rotation center of the linkage member 420 are located in the middle of the linkage member 420, thereby reducing the length of the rotation arm and reducing the possibility of deformation of the linkage member 420, and on the other hand, the structure of the linkage assembly 400 can be more compact, which is beneficial to reducing the volume and facilitating use.

In practical applications, the hinge portion 421 may also be disposed at one end of the link member 420, and the middle portion and the other end of the link member 420 are respectively connected to the valve stem 210 and the elastic component 320, and the specific disposition position of the hinge portion 421 may be set according to practical needs, such as disposing near the valve stem 210 or near the elastic component 320, which is not limited herein.

In some embodiments, the linkage assembly 400 further includes a first elastic member 430, the valve rod 210 is provided with an abutting portion 211, the linkage member 420 is provided with a clamping gap 422, the valve rod 210 is clamped into the clamping gap 422, the valve rod 210 is sleeved with the first elastic member 430, and the linkage member 420 can abut against the abutting portion 211 under the action of the first elastic member 430.

It can be understood that, as shown in fig. 1, fig. 2 and fig. 5, the valve rod 210 is clamped into the clamping notch 422, the linkage member 420 is located between the abutting portion 211 and the first elastic member 430, the linkage member 420 abuts against the abutting portion 211 under the action of the elastic member, when the valve rod 210 moves downward, the abutting portion 211 abuts against the linkage member 420 and compresses the first elastic member 430, so that the linkage member 420 rotates relative to the fixing member 410, and when the valve rod 210 moves upward, the linkage member abuts against the abutting portion 211 under the action of the first elastic member 430 to move upward along with the same.

In practical application, besides the above connection manner, the linkage member 420 may also be connected to the valve stem 210 through a sliding rail and sliding groove structure, so that the linkage member can rotate along with the movement of the valve stem 210, and of course, the linkage member may also be connected through a connecting rod structure, and the specific connection structure between the linkage member 420 and the valve stem 210 may be changed according to practical use requirements, which is not limited herein.

In some embodiments, a first limiting groove 132 corresponding to the first communication state is disposed on the third housing 130, a second limiting groove 133 corresponding to the second communication state is disposed on the third housing 130, the first limiting groove 132 has a first groove bottom 134, the second limiting groove 133 has a second groove bottom 135, the first groove bottom 134 and the second groove bottom 135 are disposed at intervals along the moving direction of the valve rod 210, the first groove bottom 134 is located below the second groove bottom 135, a clamping portion 212 is disposed on the valve rod 210, a second elastic member 230 is connected between the valve rod 210 and the valve core 220, the clamping portion 212 can abut against the first groove bottom 134 under the action of the second elastic member 230, and the clamping portion 212 can abut against the second groove bottom 135 under the action of the second elastic member 230.

It can be understood that, as shown in fig. 2, 3, 5 and 6, the first groove bottom 134 and the second groove bottom 135 are arranged at intervals along the moving direction of the valve rod 210, and the first groove bottom 134 is located below the second groove bottom 135, when the pressure stabilizing mechanism 300 is in the first pressure stabilizing state, under the action of the second elastic member 230, the clamping portion 212 is clamped at the first limiting groove 132 and abuts against the first groove bottom 134; when the switching mechanism 200 switches the pressure stabilizing mechanism 300 to the second pressure stabilizing state through the link 420, the valve rod 210 moves downward and rotates, so that the clamping portion 212 is separated from the first limiting groove 132 and rotates to the position of the second limiting groove 133, then the clamping portion 212 is clamped into the second limiting groove 133 and abuts against the second groove bottom 135 under the action of the second elastic member 230, and as the position of the second groove bottom 135 is higher than that of the first groove bottom 134, the link 420 moves upward at the position of one end of the valve rod 210, so that the other end moves downward and abuts against the elastic component 320, the acting force acting on the membrane 310 is increased, the membrane 310 is not easy to deform and extend, and is suitable for high-pressure gas, so that the pressure stabilizing mechanism 300 is switched to the second pressure stabilizing state; when the pressure stabilizing mechanism 300 is switched to the first pressure stabilizing state, the valve rod 210 moves downward and rotates, so that the clamping portion 212 is separated from the second limiting groove 133 and rotates to the position of the first limiting groove 132, and then the clamping portion 212 is clamped into the first limiting groove 132 under the action of the first elastic member 430 and abuts against the first groove bottom 134, so that the position of one end, connected to the valve rod 210, of the linkage member 420 moves downward, the other end of the linkage member moves upward, the pushing of the elastic member 320 is reduced, the acting force acting on the membrane 310 is reduced, the membrane 310 is easy to deform and extend, the pressure stabilizing mechanism 300 is suitable for low-pressure gas, and the pressure stabilizing mechanism is switched to the first pressure stabilizing state. The setting up of first spacing groove 132 and second spacing groove 133 makes steady voltage mechanism 300 can keep being in first steady voltage state or second steady voltage state, and its simple structure is reasonable, and can improve the utility model discloses a reliability.

In practical application, in addition to the manner that the first groove bottom 134 and the second groove bottom 135 are arranged and distributed at intervals up and down to enable the valve rod 210 to be held in two states of the pressure stabilizing mechanism 300, the valve rod 210 can be held by arranging the magnetic attraction structure at the corresponding position of the valve core channel 131, and the magnetic attraction structure can be changed according to practical use requirements, and is not limited herein.

In some embodiments, the first and second limiting grooves 132 and 133 are disposed in the valve core channel 131 and located at the upper portion of the valve core channel 131, the engaging portion 212 is located in the valve core channel 131, the valve core 220 is correspondingly provided with an engaging groove 221 for the engaging portion 212 to engage, the valve core 220 is correspondingly provided with a communication hole 222 corresponding to the connecting channel 103, and the communication hole 222 enables communication between at least two connecting channels 103.

It can be understood that, as shown in fig. 2, 3, 5 and 6, when in use, the clamping portion 212 is clamped into the clamping groove 221 on the valve core 220, so that the valve rod 210 can drive the valve core 220 to rotate, the valve core 220 rotates until the wall surface blocks the connecting channel 103, the connecting channel 103 and the valve core channel 131 are closed to be communicated, or the valve core 220 rotates until the communication hole 222 is communicated with the connecting channel 103, the blocking of the connecting channel 103 is released, the connecting channel 103 is communicated with the valve core channel 131, so that a plurality of connecting channels 103 are communicated, or the communication condition between different connecting channels 103 is changed, and the communication state of the connecting channels 103 is switched; first spacing groove 132 and second spacing groove 133 all set up in case passageway 131 and all are located the upper portion of case passageway 131 to make valve rod 210 can enough drive case 220 through joint portion 212 and rotate, can carry out the maintenance of steady voltage state through the cooperation of joint portion 212 with first spacing groove 132 or second spacing groove 133 again, its simple structure and convenient manufacturing, the transmission is connected reliably and stably.

In practical applications, the specific arrangement of the communication hole 222 can be set according to practical use conditions, and those skilled in the art can understand that; except that setting up a joint portion 212 and making it can drive case 220 and rotate and can be used for keeping steady voltage state, can also be provided with two joint portions 212 respectively, one is used for driving case 220 and rotates, and one is used for realizing the maintenance of steady voltage state to the spacing groove cooperation that corresponds, can specifically change according to the corresponding change of in-service use needs, and it need not be repeated here.

In some embodiments, the diaphragm 310 is connected to a pressure stabilizing rod 330, the pressure stabilizing rod 330 is located in the first cavity 311, a lower end of the pressure stabilizing rod 330 is located at the air outlet of the air inlet channel 101 and has a gap with the air outlet of the air inlet channel 101, and the diaphragm 310 can deform and stretch to drive the pressure stabilizing rod 330 to move up and down, so as to adjust the gap between the lower end of the pressure stabilizing rod 330 and the air outlet of the air inlet channel 101.

It can be understood that, as shown in fig. 2, 4 and 5, when in use, the gas enters the first cavity 311 from the air inlet channel 101, the diaphragm 310 deforms and extends according to the air inlet pressure to drive the pressure stabilizing rod 330 to move up and down, the lower end of the pressure stabilizing rod 330 extends into the air inlet channel 101 and has a gap with the air outlet of the air inlet channel 101, and the pressure stabilizing rod 330 moves up and down to cooperate with the air outlet of the air inlet channel 101, so as to adjust and change the ventilation gap between the two, so as to adjust the air outlet ventilation volume of the air inlet channel 101, thereby achieving the purpose of pressure stabilization. In practical applications, besides the pressure stabilizing rod 330, the diaphragm 310 can also change the ventilation volume of the air outlet of the air inlet channel 101 through a connecting rod structure to achieve the purpose of pressure stabilization, and specifically, the ventilation volume can be changed according to actual needs, and those skilled in the art can understand that the ventilation volume can be changed accordingly.

In some embodiments, the elastic assembly 320 includes a first connecting member 321, a third elastic member 322 and a fourth elastic member 323, the first connecting member 321 is slidably connected to the second housing 120, two ends of the third elastic member 322 are respectively connected to the first connecting member 321 and the second housing 120, the first connecting member 321 can abut against the linking member 420 under the action of the third elastic member 322, an upper end of the fourth elastic member 323 is connected to a lower end of the first connecting member 321, a lower end of the fourth elastic member 323 can act on the membrane 310, and the linking member 420 can push the first connecting member 321 to move downward to change an acting force of the fourth elastic member 323 on the membrane 310.

It can be understood that, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, when the pressure stabilizing mechanism 300 is switched to the second pressure stabilizing state, the valve rod 210 is pressed and rotated to clamp the clamping portion 212 into the second limiting groove 133, the linkage member 420 is connected to one end of the valve rod 210 and moves upward, the other end of the linkage member moves downward and pushes the first connecting member 321 to move downward, so as to compress the third elastic member 322, and the first connecting member 321 moves downward, so that the fourth elastic member 323 moves downward and compresses and acts on the membrane 310, thereby increasing the acting force on the membrane 310, so that the membrane 310 is not easily deformed and extended by the pressure of the gas, and the pressure stabilizing mechanism 300 can be applied to the gas with a larger pressure; when the pressure stabilizing mechanism 300 is switched to the first pressure stabilizing state, the valve rod 210 is pressed and rotated to enable the clamping portion 212 to be clamped into the first limiting groove 132, the linkage piece 420 is connected to one end of the valve rod 210 to move downwards, the other end of the linkage piece moves upwards, under the action of the third elastic piece 322, the first connecting piece 321 is abutted to the linkage piece 420 and moves upwards to reset along with the linkage piece 420, the fourth elastic piece 323 is driven to move upwards, the acting force on the membrane 310 is reduced, the membrane 310 is enabled to be easily deformed and extended under the influence of the pressure of the gas, and the pressure stabilizing mechanism 300 can be suitable for the gas with smaller pressure. The structure is simple and reasonable, the switching between the first voltage stabilizing state and the second voltage stabilizing state of the voltage stabilizing mechanism 300 is convenient to realize, the installation and the connection of the linkage assembly 400 are convenient to realize, and the repair and the replacement are convenient.

In practical application, the linkage member 420 can be linked with the first connecting member 321 through a sliding rail and sliding groove structure, so that the first connecting member 321 can move up and down along with the rotation of the first connecting member 321, of course, the linkage member 420 and the first connecting member 321 can also be connected through a connecting rod structure, and the specific connection structure between the linkage member 420 and the elastic assembly 320 can be changed correspondingly according to the actual use requirement, for example, the linkage member 420 is directly connected with the fourth elastic member 323, which is not limited herein; the specific structure of the elastic component 320 can be changed according to the actual use requirement, and will not be described in detail herein, and will be described in detail below.

In some embodiments, the elastic assembly 320 further includes a second connection member 324 and a fifth elastic member 325, the second connection member 324 is connected to the second housing 120 by a screw thread and is located below the first connection member 321, an upper end of the fifth elastic member 325 is connected to the second connection member 324, a lower end of the fifth elastic member 325 acts on the diaphragm 310, and the second connection member 324 can move up and down relative to the second housing 120 by screwing.

It can be understood that, as shown in fig. 2, 4 and 5, when the pressure stabilizing mechanism 300 is switched to the second pressure stabilizing state, the linkage member 420 pushes the first connecting member 321 to move downward, so that the fourth elastic member 323 acts on the membrane 310, and at this time, the fourth elastic member 323 and the fifth elastic member 325 act on the membrane 310 to increase the acting force on the membrane 310; when the pressure stabilizing mechanism 300 is switched to the first pressure stabilizing state, the linkage member 420 rotates and moves the position abutting against one end of the first connecting member 321 upward, the first connecting member 321 moves upward under the action of the third elastic member 322 to reset, and drives the fourth elastic member 323 to move upward, so that the lower end of the fourth elastic member 323 is separated from the diaphragm 310, and at this time, the fifth elastic member 325 acts on the diaphragm 310 to reduce the acting force on the diaphragm 310. The structure is simple and reasonable, so that when the voltage stabilizing mechanism 300 is switched between the first voltage stabilizing state and the second voltage stabilizing state, the acting force acting on the diaphragm 310 is changed by changing the number of the elastic pieces acting on the diaphragm, the switching reliability is good, and the use is convenient; meanwhile, the second connecting member 324 can move up and down relative to the second housing 120 by screwing, so that the elastic force of the fifth elastic member 325 acting on the diaphragm 310 can be adjusted by moving up and down according to the screwing of the second connecting member 324, thereby improving the applicability of the pressure stabilizing mechanism 300.

In practical applications, the elastic component 320 may also be composed of one elastic member, and the elastic force acting on the membrane 310 is changed by moving the first connecting member 321 up and down, and certainly, the elastic component 320 may also include three or more elastic members, and the specific arrangement thereof may be set according to practical usage requirements, and will not be described herein again.

According to the utility model discloses a gas equipment of second aspect embodiment, it includes according to the utility model discloses the gas valves of above-mentioned first aspect embodiment.

According to the utility model discloses gas equipment, through adopting foretell gas valves, its simple structure is reasonable, facilitates the use operation, and the reliability is better, the production of being convenient for is used.

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

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

Claims (10)

1. A gas valve group, comprising:

the gas-liquid separator comprises a shell assembly (100), wherein an air inlet channel (101), an air outlet channel (102) and a plurality of connecting channels (103) are arranged on the shell assembly (100), the air inlet channel (101) and the air outlet channel (102) can be communicated, and a first communication state suitable for low-pressure gas and a second communication state suitable for high-pressure gas are arranged among the connecting channels (103);

a switching mechanism (200) connected to the housing assembly (100) and capable of switching the connection passage (103) between a first communication state and a second communication state;

the pressure stabilizing mechanism (300) is connected to the shell assembly (100) and can stabilize the pressure of the fuel gas conveyed between the air inlet channel (101) and the air outlet channel (102), and the pressure stabilizing mechanism (300) has a first pressure stabilizing state suitable for low-pressure fuel gas and a second pressure stabilizing state suitable for high-pressure fuel gas;

the linkage assembly (400) comprises a fixing piece (410) and a linkage piece (420), wherein the fixing piece (410) is connected to the shell assembly (100), the linkage piece (420) is hinged to the fixing piece (410), and when the switching mechanism (200) drives the connecting channel (103) to be switched between a first communication state and a second communication state, the switching mechanism (200) can drive the linkage piece (420) to rotate relative to the fixing piece (410), so that the linkage piece (420) can drive the voltage stabilizing mechanism (300) to be switched between a first voltage stabilizing state and a second voltage stabilizing state correspondingly.

2. Gas valve group according to claim 1,

the housing assembly (100) comprises a first housing (110), a second housing (120) and a third housing (130), the pressure stabilizing mechanism (300) comprises a membrane (310) and an elastic component (320), the diaphragm (310) is connected between the first housing (110) and the second housing (120), the diaphragm (310) is connected with the first shell (110) in a sealing way to form a first cavity (311), the diaphragm (310) is hermetically connected with the second shell (120) to form a second cavity (312), the air inlet channel (101) and the air outlet channel (102) are both arranged on the first shell (110) and are both communicated with the first cavity (311), the elastic component (320) is connected to the second housing (120) and acts on the membrane (310), the membrane (310) can deform and stretch and can stabilize the gas pressure between the gas inlet channel (101) and the gas outlet channel (102);

the switching mechanism (200) comprises a valve rod (210) and a valve core (220), a valve core channel (131) is arranged on the third shell (130), the connecting channel (103) is arranged on the third shell (130) and communicated with the valve core channel (131), the valve core (220) is rotatably arranged on the valve core channel (131), the valve rod (210) is movably inserted in the third shell (130), one end of the valve rod (210) extends into the valve core channel (131) and can drive the valve core (220) to rotate, the valve core (220) can enable the valve core channel (131) and the connecting channel (103) to be communicated or closed, so that the connecting channels (103) are switched between a first communication state and a second communication state, and the linkage piece (420) is respectively connected with the valve rod (210) and the elastic component (320), the valve rod (210) can drive the linkage piece (420) to rotate relative to the fixed piece (410), so that the acting force of the elastic component (320) on the diaphragm (310) is adjusted through the linkage piece (420), and the pressure stabilizing mechanism (300) is switched between a first pressure stabilizing state and a second pressure stabilizing state.

3. Gas valve group according to claim 2,

one end of the linkage piece (420) is connected to the valve rod (210), the other end of the linkage piece (420) is connected to the elastic component (320), a hinge portion (421) hinged to the fixing piece (410) is arranged on the linkage piece (420), and the hinge portion (421) is arranged between two end portions of the linkage piece (420).

4. Gas valve group according to claim 3,

linkage subassembly (400) still include first elastic component (430), be equipped with butt portion (211) on valve rod (210), be equipped with joint breach (422) on linkage piece (420), valve rod (210) card is gone into extremely joint breach (422), first elastic component (430) cover is located valve rod (210), linkage piece (420) can under the effect of first elastic component (430) butt in butt portion (211).

5. Gas valve group according to claim 3,

a first limit groove (132) corresponding to the first communication state is arranged on the third shell (130), a second limit groove (133) corresponding to the second communication state is arranged on the third shell (130), the first limiting groove (132) has a first groove bottom (134), the second limiting groove (133) has a second groove bottom (135), the first groove bottom (134) and the second groove bottom (135) are arranged at intervals along the moving direction of the valve rod (210), and the first groove bottom (134) is positioned below the second groove bottom (135), a clamping part (212) is arranged on the valve rod (210), a second elastic piece (230) is connected between the valve rod (210) and the valve core (220), the clamping part (212) can abut against the first groove bottom (134) under the action of the second elastic piece (230), the clamping portion (212) can abut against the second groove bottom (135) under the action of the second elastic piece (230).

6. Gas valve group according to claim 5,

first spacing groove (132) with second spacing groove (133) all set up in case passageway (131) and all are located the upper portion of case passageway (131), joint portion (212) are located in case passageway (131), it supplies to correspond to be equipped with on case (220) joint groove (221) that joint portion (212) card was gone into, correspond on case (220) connect passageway (103) and be equipped with intercommunicating pore (222), intercommunicating pore (222) can make at least two communicate between connect passageway (103).

7. Gas valve group according to claim 2,

the diaphragm (310) is connected with a pressure stabilizing rod (330), the pressure stabilizing rod (330) is located in the first cavity (311), the lower end of the pressure stabilizing rod (330) is located at the air outlet of the air inlet channel (101) and a gap is reserved between the air outlet of the air inlet channel (101), the diaphragm (310) can deform and extend to drive the pressure stabilizing rod (330) to move up and down, and therefore the gap between the lower end of the pressure stabilizing rod (330) and the air outlet of the air inlet channel (101) is adjusted.

8. Gas valve group according to claim 2,

the elastic assembly (320) comprises a first connecting piece (321), a third elastic piece (322) and a fourth elastic piece (323), the first connecting piece (321) is connected to the second shell (120) in a sliding mode, two ends of the third elastic piece (322) are connected to the first connecting piece (321) and the second shell (120) respectively, the first connecting piece (321) can abut against the linkage piece (420) under the action of the third elastic piece (322), the upper end of the fourth elastic piece (323) is connected with the lower end of the first connecting piece (321), the lower end of the fourth elastic piece (323) can act on the diaphragm (310), and the linkage piece (420) can push the first connecting piece (321) to move downwards so as to change the acting force of the fourth elastic piece (323) acting on the diaphragm (310).

9. Gas valve group according to claim 8,

the elastic assembly (320) further comprises a second connecting piece (324) and a fifth elastic piece (325), the second connecting piece (324) is connected to the second shell (120) through threads and located below the first connecting piece (321), the upper end of the fifth elastic piece (325) is connected to the second connecting piece (324), the lower end of the fifth elastic piece (325) acts on the membrane (310), and the second connecting piece (324) can move up and down relative to the second shell (120) through screwing.

10. Gas installation comprising a gas valve group according to any of claims 1 to 9.

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