CN114526352B - Gas equipment and valve body assembly applied to same - Google Patents

Gas equipment and valve body assembly applied to same Download PDF

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Publication number
CN114526352B
CN114526352B CN202111683431.9A CN202111683431A CN114526352B CN 114526352 B CN114526352 B CN 114526352B CN 202111683431 A CN202111683431 A CN 202111683431A CN 114526352 B CN114526352 B CN 114526352B
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CN
China
Prior art keywords
assembly
valve body
subchamber
electromagnetic
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN202111683431.9A
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Chinese (zh)
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CN114526352A (en
Inventor
万济民
张璧
殷少睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN202111683431.9A priority Critical patent/CN114526352B/en
Publication of CN114526352A publication Critical patent/CN114526352A/en
Application granted granted Critical
Publication of CN114526352B publication Critical patent/CN114526352B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B1/00—Bakers' ovens
    • A21B1/02—Bakers' ovens characterised by the heating arrangements
    • A21B1/24—Ovens heated by media flowing therethrough
    • A21B1/28—Ovens heated by media flowing therethrough by gaseous combustion products
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B1/00—Bakers' ovens
    • A21B1/40—Bakers' ovens characterised by the means for regulating the temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/007—Regulating fuel supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The invention relates to the technical field of valve bodies, and discloses a gas device and a valve body assembly applied to the gas device. The valve body assembly precisely controls the flow of the fuel gas output by the first fuel gas outlet assembly through the proportional valve device so as to realize the precise control of the baking temperature of the burner connected with the first fuel gas outlet assembly. The fuel gas input from the fuel gas inlet assembly can be output from the second fuel gas outlet assembly through the second containing cavity, and the burner connected with the second fuel gas outlet assembly can be allowed to be baked with big fire, so that the valve body assembly can simultaneously meet the control requirements of different burners on baking temperature. And, when the control gas is outputted from the second gas outlet assembly, the proportional valve device may not be operated, and a process of controlling the proportional valve device may be omitted, i.e., a control process of the valve body may be simplified.

Description

Gas equipment and valve body assembly applied to same
Technical Field
The invention relates to the technical field of valve bodies, in particular to a gas device and a valve body assembly applied to the gas device.
Background
Currently, a gas oven on the market is generally provided with two baking chambers which are arranged up and down at intervals, and each baking chamber is provided with a burner. While the lower baking chamber generally requires precise control of the baking temperature, the upper baking chamber generally only needs to meet the cooking requirements of the color, i.e., the upper baking chamber does not require precise control of the baking temperature and is usually set to a fire. It can be seen that the baking temperature control requirements are not the same for each baking chamber, and independent control of each baking chamber is required.
Gas ovens typically employ a valve body to control the burner of each oven chamber, however, the control process of the valve body employed in current gas ovens is relatively complex.
Disclosure of Invention
In view of the above, the present invention mainly solves the technical problem of providing a gas device and a valve assembly using the same, which can simultaneously meet the control requirements of different combustors on baking temperature, and simplify the control process of the valve.
In order to solve the technical problems, the invention adopts a technical scheme that: a valve body assembly is provided. The valve body assembly comprises an assembly main body, wherein a first containing cavity and a second containing cavity are formed in the assembly main body. The first cavity comprises a first subchamber and a second subchamber, and the second cavity is communicated with the second subchamber through the first subchamber. The valve body assembly further comprises a proportional valve device, the proportional valve device is arranged in the first containing cavity, and the proportional valve device is used for selectively conducting the first subchamber and the second subchamber. The valve body assembly further comprises a first electromagnetic valve device, the first electromagnetic valve device is arranged in the second containing cavity, and the first electromagnetic valve device is used for selectively conducting the second containing cavity and the first subchamber. The valve body assembly further comprises a fuel gas inlet assembly, wherein the fuel gas inlet assembly is arranged on the assembly main body and is communicated with the first subchamber. The valve body assembly further comprises a first fuel gas outlet component, wherein the first fuel gas outlet component is arranged on the assembly main body and is directly communicated with the second subchamber. The valve body assembly further comprises a second gas outlet assembly, wherein the second gas outlet assembly is arranged on the assembly main body and is directly communicated with the second containing cavity.
In an embodiment of the invention, a third accommodating cavity is further provided in the assembly main body; the fuel gas inlet assembly is communicated with the first subchamber and the second chamber through the third chamber; the valve body assembly further comprises a second electromagnetic valve device; the second electromagnetic valve device is arranged in the third cavity and used for selectively conducting the third cavity and the first subchamber.
In an embodiment of the invention, the assembly body further comprises a first housing part and a second housing part, the first housing part surrounds to form a first subchamber, and the second housing part surrounds to form a second subchamber; the proportional valve device comprises a first electromagnetic assembly and a first valve body assembly; the first electromagnetic assembly drives the first valve body assembly to move through electromagnetic force, so that a proportional valve port is formed between the first valve body assembly and the first shell part or between the first valve body assembly and the second shell part, and the first subchamber is communicated with the second subchamber through the proportional valve port.
In an embodiment of the invention, the proportional valve device further comprises a first elastic member and a second elastic member; the first elastic piece and the second elastic piece are respectively connected with the first valve body component, the acting force direction of the first elastic piece applied to the first valve body component is opposite to the direction of the electromagnetic force, and the acting force direction of the second elastic piece applied to the first valve body component is identical to the direction of the electromagnetic force.
In one embodiment of the invention, the proportional valve device further comprises a diaphragm assembly; the film component is connected with the first valve body component, the first elastic piece is positioned at one side of the first valve body component, which is away from the first electromagnetic component, and the second elastic piece is positioned between the film component and the first electromagnetic component; wherein, the first elastic member and the second elastic member are both in a compressed state.
In one embodiment of the invention, the proportional valve device further comprises a proportional valve cap; the second elastic piece is located between the leather membrane component and the proportional valve cover, the proportional valve cover is provided with a breathing hole, and a space formed by surrounding the leather membrane component and the proportional valve cover is communicated to the outside of the assembly main body through the breathing hole.
In one embodiment of the invention, the proportional valve device further comprises a pressure plate and a first seal; the first elastic piece is clamped between the first valve body component and the pressing plate, and the pressing plate is used for pressing the first sealing piece on the assembly main body to form sealing.
In one embodiment of the present invention, the first electromagnetic component includes a proportional coil, a magnetizable body, and a magnetic body; the proportional coil is arranged on the periphery of the magnetizable body in a surrounding manner, and the magnetic body is arranged on the first valve body component; the proportional valve device further comprises a first fixed support, the proportional coil and the magnetizable body are both fixed on the first fixed support, the first fixed support is provided with a first limiting portion, the proportional coil is provided with a first wiring end, the first wiring end is provided with a second limiting portion, and the first limiting portion is used for limiting the orientation of the first wiring end in a matched mode with the second limiting portion.
In one embodiment of the present invention, the first solenoid valve device and the second solenoid valve device each comprise a second solenoid assembly and a second valve body assembly; the second electromagnetic assembly drives the second valve body assembly to move through electromagnetic force and is used for selectively conducting the second containing cavity and the first subchamber and selectively conducting the third containing cavity and the first subchamber.
In order to solve the technical problems, the invention adopts another technical scheme that: a gas appliance is provided. The gas appliance includes a housing; the gas equipment also comprises a first burner, wherein the first burner is arranged on the shell; the gas equipment also comprises a second burner, wherein the second burner is arranged on the shell; the gas appliance further comprises a valve body assembly as set forth in the above embodiments, a first gas outlet assembly of the valve body assembly being connected to the first burner and a second gas outlet assembly being connected to the second burner.
The beneficial effects of the invention are as follows: different from the prior art, the invention provides a gas device and a valve body assembly applied to the gas device. The first gas outlet component and the second gas outlet component of the valve body assembly are respectively used for connecting different combustors. The second cavity is communicated with the second subchamber through the first subchamber. The fuel gas input from the fuel gas inlet assembly can be output from the first fuel gas outlet assembly through the first subchamber and the second subchamber, wherein the flow of the fuel gas output by the first fuel gas outlet assembly is precisely controlled through the proportional valve device, so that the precise control of the baking temperature of the burner connected with the first fuel gas outlet assembly is realized. And moreover, the fuel gas input from the fuel gas inlet assembly can be output from the second fuel gas outlet assembly through the second containing cavity, and the burner connected with the second fuel gas outlet assembly can be allowed to be baked with big fire, so that the valve body assembly can simultaneously meet the control requirements of different burners on baking temperature.
And when the control fuel gas is output from the second fuel gas outlet assembly, the proportional valve device can be out of operation, namely the first subchamber and the second subchamber are allowed to be in a cut-off state, and the fuel gas can still be output from the second fuel gas outlet assembly through the second containing chamber, so that the process of controlling the proportional valve device can be omitted, namely the control process of the valve body is simplified.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. Furthermore, these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
FIG. 1 is a schematic view of an embodiment of a gas plant of the present invention;
FIG. 2 is a schematic view of an embodiment of a valve body assembly of the present invention;
FIG. 3 is a schematic top view of the valve body assembly of FIG. 2;
FIG. 4 is a schematic view of a cross-sectional structure of the valve body assembly A-A shown in FIG. 2;
FIG. 5 is a schematic view of an exploded view of the valve body assembly of FIG. 2;
FIG. 6 is a schematic view of a cross-sectional structure of the valve body assembly B-B shown in FIG. 3;
fig. 7 is a schematic view of the structure of the valve body assembly C shown in fig. 2.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following embodiments and features of the embodiments may be combined with each other without conflict.
In order to solve the technical problem that a valve body control process of a gas oven in the prior art is complex, an embodiment of the invention provides a valve body assembly. The valve body assembly comprises an assembly main body, wherein a first containing cavity and a second containing cavity are formed in the assembly main body. The first cavity comprises a first subchamber and a second subchamber, and the second cavity is communicated with the second subchamber through the first subchamber. The valve body assembly further comprises a proportional valve device, the proportional valve device is arranged in the first containing cavity, and the proportional valve device is used for selectively conducting the first subchamber and the second subchamber. The valve body assembly further comprises a first electromagnetic valve device, the first electromagnetic valve device is arranged in the second containing cavity, and the first electromagnetic valve device is used for selectively conducting the second containing cavity and the first subchamber. The valve body assembly further comprises a fuel gas inlet assembly, wherein the fuel gas inlet assembly is arranged on the assembly main body and is communicated with the first subchamber. The valve body assembly further comprises a first fuel gas outlet component, wherein the first fuel gas outlet component is arranged on the assembly main body and is directly communicated with the second subchamber. The valve body assembly further comprises a second gas outlet assembly, wherein the second gas outlet assembly is arranged on the assembly main body and is directly communicated with the second containing cavity. The details are set forth below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a gas apparatus according to an embodiment of the invention.
In an embodiment, the gas device may be a gas oven, a gas stove, or the like, or the gas device may be integrated with the gas oven and the gas stove, which is not limited herein. The gas equipment comprises a shell 10, wherein the shell 10 is used as a basic carrier of the gas equipment, and plays a role in bearing and protecting other parts of the gas equipment.
The gas plant also includes burners (including a first burner and a second burner, etc., described below). The burner of the gas equipment takes gas as a combustion medium, and the burner burns the gas by providing the gas for the burner, so that the effects of heating and baking are achieved. When the gas equipment is a gas oven, the burner is arranged corresponding to a baking cavity of the gas oven and is used for heating the baking cavity.
The gas appliance further includes a valve body assembly 20. The valve body assembly 20 is connected to the burner, and the valve body assembly 20 is used for controlling the gas supply of the burner. Specifically, the valve body assembly 20 is connected to the burner through a nozzle, and the valve body assembly 20 controls the delivery of fuel gas to the corresponding burner through the nozzle (including a first nozzle 31 and a second nozzle 32, etc., described below). Wherein the valve body assembly 20 will be described in detail below.
For example, fig. 1 shows a gas appliance integrated with a gas oven and a gas cooker. The oven section of the gas appliance has two oven chambers spaced up and down. The gas equipment comprises a first burner and a second burner, wherein the first burner and the second burner are respectively arranged corresponding to different baking chambers and are used for heating and baking the corresponding baking chambers. The valve body assembly 20 is connected to the first nozzle 31 through a gas pipe 33, and further connected to the first burner through the first nozzle 31. And the valve body assembly 20 is connected to the second nozzle 32 by a gas pipe 34, and further to the second burner by the second nozzle 32. The burner part of the gas plant controls the gas supply by means of a mechanical plug valve 40.
Referring to fig. 2 to 4, fig. 2 is a schematic structural diagram of an embodiment of the valve assembly according to the present invention, fig. 3 is a schematic structural diagram of the valve assembly shown in fig. 2 in a top view, and fig. 4 is a schematic structural diagram of the valve assembly shown in fig. 2 in a cross section in A-A direction.
In one embodiment, the valve body assembly 20 includes an assembly body 21. The assembly main body 21 serves as a basic carrier of the valve body assembly 20, and plays a role in bearing and protecting other parts of the valve body assembly 20. Specifically, the interior of the assembly body 21 is provided with a first accommodation chamber 211 and a second accommodation chamber 212. The first cavity 211 includes a first subchamber 213 and a second subchamber 214, as shown in fig. 4.
The second chamber 212 communicates with the second subchamber 214 through the first subchamber 213. In other words, the second chamber 212 and the second subchamber 214 are not in direct communication but are in communication through the first subchamber 213. It should be noted that the two cavities are directly communicated with each other, and the two cavities are not communicated with each other through other cavities.
The valve body assembly 20 also includes a proportional valve device 22. The proportional valve device 22 is disposed in the first chamber 211. The proportional valve device 22 is used to selectively communicate the first sub-chamber 213 and the second sub-chamber 214, and the proportional valve device 22 is capable of controlling the degree of communication of the first sub-chamber 213 and the second sub-chamber 214.
The valve body assembly 20 further comprises a first solenoid valve arrangement 23. The first electromagnetic valve device 23 is disposed in the second cavity 212, and the first electromagnetic valve device 23 is used for selectively conducting the second cavity 212 and the first subchamber 213.
The valve body assembly 20 further includes a gas inlet assembly 24, the gas inlet assembly 24 being provided in the assembly body 21, the gas being fed from the gas inlet assembly 24. And, the gas inlet assembly 24 communicates with the first subchamber 213 and the second plenum 212. The gas inlet assembly 24 may be connected to the first subchamber 213 and the second chamber 212 through other chambers, or the gas inlet assembly 24 directly connects to the first subchamber 213 and the second chamber 212, which is not limited herein.
The valve body assembly 20 further includes a first gas outlet component 25, the first gas outlet component 25 is disposed on the assembly body 21 and is directly connected to the second subchamber 214, i.e. the first gas outlet component 25 is not connected to the second subchamber 214 through other chambers. The fuel gas delivered into the second subchamber 214 is output through the first fuel gas outlet assembly 25 for delivery to the corresponding burner.
The valve body assembly 20 further includes a second gas outlet component 26, where the second gas outlet component 26 is disposed on the assembly main body 21 and is directly connected to the second cavity 212, i.e. the second gas outlet component 26 is not connected to the second cavity 212 through other cavities. The fuel gas delivered into the second vessel 212 is output through the second fuel gas outlet assembly 26 for delivery to the corresponding burner.
When the proportional valve device 22 is connected to the first subchamber 213 and the second subchamber 214, the fuel gas input from the fuel gas inlet assembly 24 may pass through the first subchamber 213 and the second subchamber 214, and then be output from the first fuel gas outlet assembly 25. And, the conduction degree of the first subchamber 213 and the second subchamber 214 is controlled by the proportional valve device 22, so that the stepless control of the gas flow is realized, and the flow of the gas output by the first gas outlet assembly 25 can be precisely controlled, wherein the larger the conduction degree of the first subchamber 213 and the second subchamber 214 is, the larger the flow of the gas output by the first gas outlet assembly 25 is, and vice versa. The main control board of the gas equipment feeds back the current baking temperature in real time through the temperature sensor in the baking chamber, and the main control board automatically controls the proportional valve device 22 to adjust the gas flow, so that the baking temperature of the baking chamber is accurately controlled.
In this way, an accurate control of the baking temperature of the burner to which the first gas outlet assembly 25 is connected can be achieved. Because the fire of the burner is often not directly observed by a user due to the shielding of the oven, the user is not convenient to control the baking temperature. The proportional valve device 22 of the embodiment is particularly suitable for a gas oven, and a user can accurately control the baking temperature through the proportional valve device 22, and even can set the proportional valve device 22 to automatically adjust the baking temperature according to requirements, so that the cooking process is more intelligent.
When the control gas is output from the second gas outlet assembly 26, the proportional valve device 22 may not be operated, i.e. the first subchamber 213 and the second subchamber 214 are allowed to be in a closed state (the closed state is understood as the non-conduction between the two chambers), and the gas may still be output from the second gas outlet assembly 26 through the second containing chamber 212, so that the process of controlling the proportional valve device 22 may be omitted, i.e. the control process of the valve body may be simplified.
Please continue to refer to fig. 2-4. In one embodiment, the assembly body 21 further includes a third cavity 215. The gas inlet assembly 24 communicates with the first subchamber 213 and the second chamber 212 via a third chamber 215. The valve body assembly 20 further comprises a second solenoid valve arrangement 27. The second electromagnetic valve device 27 is disposed in the third cavity 215, and the second electromagnetic valve device 27 is used for selectively conducting the third cavity 215 and the first subchamber 213.
When the gas is controlled to be outputted from the first gas outlet assembly 25, the second solenoid valve device 27 operates to communicate the third chamber 215 with the first sub-chamber 213, and the gas inputted from the gas inlet assembly 24 is transferred to the first sub-chamber 213 through the third chamber 215. And, at this time, the proportional valve device 22 is operated to conduct the first subchamber 213 and the second subchamber 214, so that the fuel gas supplied to the first subchamber 213 is outputted from the first fuel gas outlet assembly 25 through the second subchamber 214. At this time, the first solenoid valve device 23 is deactivated, and the first subchamber 213 and the second chamber 212 are maintained in the closed state.
When the gas is controlled to be outputted from the second gas outlet assembly 26, the second solenoid valve device 27 operates to communicate the third chamber 215 with the first sub-chamber 213, and the gas inputted from the gas inlet assembly 24 is transferred to the first sub-chamber 213 through the third chamber 215. And, at this time, the first solenoid valve device 23 is operated to conduct the second chamber 212 and the first subchamber 213, so that the gas delivered to the first subchamber 213 is outputted from the second gas outlet assembly 26 through the second chamber 212. At this time, the proportional valve device 22 is not operated, and the first subchamber 213 and the second subchamber 214 are kept in the shut-off state.
When neither the first gas outlet assembly 25 nor the second gas outlet assembly 26 is required to output gas, none of the proportional valve device 22, the first solenoid valve device 23, and the second solenoid valve device 27 is operated. At this time, the second electromagnetic valve device 27 keeps the third containing cavity 215 and the first subchamber 213 in a cut-off state, so that the fuel gas cannot be conveyed to the first fuel gas outlet assembly 25 and the second fuel gas outlet assembly 26, thereby playing a cut-off role, meeting the requirement on the safety performance of the valve body assembly 20, and meanwhile, a cut-off valve is not required to be additionally added, thereby being beneficial to reducing the production cost.
Of course, in other embodiments of the present invention, the gas inlet assembly 24 may also be directly connected to the second cavity 212, that is, the gas inlet assembly 24 is connected to the first subchamber 213 through the second cavity 212, which is not limited herein.
Alternatively, the first solenoid valve device 23 and the second solenoid valve device 27 may be symmetrically distributed on both sides of the proportional valve device 22.
Referring to fig. 5 and 6 together, fig. 5 is a schematic diagram of an explosion structure of the valve assembly shown in fig. 2, and fig. 6 is a schematic diagram of a cross-sectional structure of the valve assembly shown in fig. 3 in the direction B-B.
In one embodiment, the assembly body 21 further includes a first housing portion 216 and a second housing portion 217. The first housing portion 216 encloses a first subchamber 213 and the second housing portion 217 encloses a second subchamber 214, as shown in fig. 6.
The proportional valve device 22 includes a first solenoid assembly 221 and a first valve body assembly 222. The first electromagnetic assembly 221 drives the first valve body assembly 222 to move through electromagnetic force, so that a proportional valve port 223 is formed between the first valve body assembly 222 and the first housing part 216 or between the first valve body assembly 222 and the second housing part 217, and the first subchamber 213 is communicated with the second subchamber 214 through the proportional valve port 223.
The larger the area of proportional valve port 223, the greater the degree of communication between first subchamber 213 and second subchamber 214, meaning that the greater the flow of fuel gas output by first fuel gas outlet assembly 25, and vice versa. In this embodiment, the first electromagnetic component 221 drives the first valve body component 222 to move, so as to control the area of the formed proportional valve port 223, and further precisely control the flow of the fuel gas output by the first fuel gas outlet component 25.
For example, fig. 6 illustrates the second subchamber 214 surrounding the outer periphery of the first subchamber 213, wherein the first valve body assembly 222 and the first housing portion 216 cooperate to form a proportional valve port 223. The proportional valve port 223 is shown in the closed position in fig. 6. Of course, in other embodiments of the present invention, the first subchamber 213 may be disposed around the outer periphery of the second subchamber 214. The second subchamber 214 is disposed around the outer periphery of the first subchamber 213, which is only needed for discussion, and is not limited thereto.
Specifically, first solenoid assembly 221 drives first valve body assembly 222 to move away from first solenoid assembly 221, such that proportional valve port 223 is formed between first valve body assembly 222 and first housing portion 216, and at this time, first subchamber 213 is in communication with second subchamber 214; when the first valve body assembly 222 abuts against the first housing portion 216, the proportional valve port 223 is not formed between the first valve body assembly 222 and the first housing portion 216, and the first subchamber 213 and the second subchamber 214 are in a closed state.
Further, the first valve body assembly 222 includes a first valve stem 2221 and an elastic pad 2222. The elastic pad 2222 is provided on the first valve rod 2221 and surrounds the outer periphery of the first valve rod 2221. The first valve body assembly 222 abuts against the first housing portion 216 of the assembly main body 21 through the elastic pad 2222, and the elastic pad 2222 can buffer the impact force generated when the first valve body assembly 222 abuts against the first housing portion 216, which is beneficial to improving the reliability of the proportional valve device 22. The elastic pad 2222 is configured to cooperate with the first housing portion 216 to form the proportional valve port 223.
Alternatively, the elastic pad 2222 may be made of an elastic material such as a rubber material, which is not limited herein.
In one embodiment, the proportional valve device 22 further includes a first resilient member 224. The first elastic member 224 is connected to the first valve body assembly 222. The direction of the force applied to the first valve body assembly 222 by the first elastic member 224 is opposite to the direction of the electromagnetic force applied to the first valve body assembly 222 by the first electromagnetic assembly 221, that is, the first elastic member 224 is used to make the first valve body assembly 222 have a tendency to move toward the first electromagnetic assembly 221.
When the first electromagnetic assembly 221 drives the first valve body assembly 222 to move away from the first electromagnetic assembly 221, the electromagnetic force applied to the first valve body assembly 222 by the first electromagnetic assembly 221 needs to overcome the acting force applied to the first valve body assembly 222 by the first elastic member 224, so that the proportional valve port 223 is formed between the first valve body assembly 222 and the first housing portion 216. When the first subchamber 213 and the second subchamber 214 need to be controlled to be closed, the first electromagnetic assembly 221 stops applying electromagnetic force to the first valve body assembly 222, and the first valve body assembly 222 moves towards the first electromagnetic assembly 221 under the action of the first elastic member 224, so that the first valve body assembly 222 abuts against the first housing portion 216, and further the first subchamber 213 and the second subchamber 214 are in a closed state, that is, a closing function is realized, and the requirement on the use safety of the valve body assembly 20 can be met.
The proportional valve device 22 also includes a second resilient member 225. The second resilient member 225 is also coupled to the first valve body assembly 222. The direction of the force applied to the first valve body assembly 222 by the second elastic member 225 is the same as the direction of the electromagnetic force, that is, the second elastic member 225 is used to make the first valve body assembly 222 have a tendency to move away from the first electromagnetic assembly 221.
The force applied to the first valve body assembly 222 by the second elastic member 225 and the electromagnetic force jointly drive the first valve body assembly 222 to move away from the first electromagnetic assembly 221. In this way, the electromagnetic force required to drive the first valve body assembly 222 to move can be reduced, the power consumption of the first electromagnetic assembly 221 can be reduced, the structure of the first electromagnetic assembly 221 can be simplified, and the manufacturing cost of the first electromagnetic assembly 221 can be reduced.
Alternatively, the first elastic member 224 and/or the second elastic member 225 may be a spring or the like, which is not limited herein.
Further, the proportional valve device 22 also includes a diaphragm assembly 226. The diaphragm assembly 226 is connected to the first valve body assembly 222, and the diaphragm assembly 226 can vibrate up and down along with the movement of the first valve body assembly 222. The first elastic member 224 is located on a side of the first valve body assembly 222 away from the first electromagnetic assembly 221, where the first elastic member 224 is in a compressed state, and the elastic restoring force provided by the first elastic member 224 makes the first valve body assembly 222 have a tendency to move toward the first electromagnetic assembly 221. The second elastic member 225 is located between the film component 226 and the first electromagnetic component 221, where the second elastic member 225 is also in a compressed state, and the elastic restoring force provided by the second elastic member 225 makes the first valve body component 222 have a tendency to move away from the first electromagnetic component 221.
Of course, in other embodiments of the present invention, the first elastic member 224 and/or the second elastic member 225 may be in a stretched state, and only the setting positions of the first elastic member 224 and the second elastic member 225 need to be correspondingly adjusted, which is not limited herein.
In the process of controlling the output of the fuel gas from the first fuel gas outlet assembly 25, when the electromagnetic force provided by the first electromagnetic assembly 221 is constant, if the pressure of the fuel gas entering from the fuel gas inlet assembly 24 is increased, the pressure of a space formed by the coating assembly 226 and the first shell part 216 in a surrounding way is increased, the coating in the coating assembly 226 drives the first valve body assembly 222 to move towards the first electromagnetic assembly 221, so that the area of the proportional valve port 223 is reduced, the gas flow output from the first fuel gas outlet assembly 25 is reduced, and further, the pressure of the fuel gas output from the first fuel gas outlet assembly 25 is prevented from being increased, and the constant fuel gas pressure is maintained; if the pressure of the gas entering from the gas inlet assembly 24 is reduced, the pressure of the space surrounded by the membrane assembly 226 and the first housing portion 216 is reduced, the membrane in the membrane assembly 226 drives the first valve body assembly 222 to move away from the first electromagnetic assembly 221, so that the area of the proportional valve port 223 is increased, the gas flow output from the first gas outlet assembly 25 is increased, and further, the gas pressure output from the first gas outlet assembly 25 is prevented from being reduced, and the gas pressure is kept constant.
Still further, the proportional valve device 22 also includes a proportional valve cap 227. The second resilient member 225 is located between the proportional valve cover 227 and the diaphragm assembly 226. The proportional valve cover 227 is provided with a breathing hole (not shown), and the space formed by the proportional valve cover 227 and the diaphragm assembly 226 is communicated to the outside of the assembly main body 21, namely, to the outside atmospheric pressure through the breathing hole. In this way, the air pressure of the side of the film component 226 facing the first electromagnetic component 221 is always equal to the external air pressure, and when the input gas pressure floats, the film component 226 can normally drive the first valve body component 222 to adjust the area of the proportional valve port 223, so as to ensure that the pressure stabilizing function of the valve body assembly 20 of the embodiment is realized.
Optionally, the assembly body 21 is provided with a first opening. The diaphragm assembly 226 and the first valve body assembly 222 may be fitted into the interior of the assembly body 21 through a first opening, after which the proportional valve cap 227 is capped at the first opening.
In one embodiment, the proportional valve device 22 further includes a pressure plate 2281 and a first seal 2282. The first elastic member 224 is interposed between the first valve body assembly 222 and the pressing plate 2281. And, the first sealing member 2282 is sandwiched between the assembly body 21 and the pressing plate 2281, and the pressing plate 2281 is used for pressing the first sealing member 2282 to the assembly body 21 so as to form a seal between the assembly body 21 and the pressing plate 2281.
Optionally, the assembly body 21 is provided with a second opening. The first elastic member 224 may be fitted into the inside of the assembly main body 21 through the second opening, and then the first sealing member 2282 is pressed against the assembly main body 21 by the pressing plate 2281 while blocking the second opening. At this time, the first sealing member 2282 is disposed around the outer periphery of the second opening, so that the position where the second opening is located forms a seal.
The side of the pressure plate 2281 facing the first valve body assembly 222 may be convexly provided with a convex hull 2283. The end portion of the first elastic member 224 abutting against the pressing plate 2281 is sleeved on the periphery of the convex hull 2283, so that the position of the first elastic member 224 is limited by the convex hull 2283, and the first elastic member 224 is prevented from being not installed at the correct position. The first sealing member 2282 may be a sealing ring or the like, and is not limited herein.
In one embodiment, the first electromagnetic assembly 221 includes a proportional coil 2211, a first magnetizable body 2212, and a magnetic body 2213. The proportional coil 2211 is disposed around the outer periphery of the first magnetizable body 2212. The magnetic body 2213 is disposed on the first valve body assembly 222. When the proportional coil 2211 is energized to generate a magnetic field, the first magnetizable body 2212 is magnetized by the generated magnetic field, so that the first magnetizable body 2212 generates magnetism. The magnetism of the first magnetizable body 2212 and the magnetism of the magnetic body 2213 are mutually repulsive, so that the magnetic body 2213 drives the first valve body assembly 222 to move away from the proportional coil 2211 and the first magnetizable body 2212, i.e. drives the first valve body assembly 222 to move away from the first electromagnetic assembly 221. When the proportional coil 2211 is not energized, the first magnetizable body 2212 is magnetized by the magnetic body 2213 and is attracted to the magnetic body 2213, and at this time, the first valve body assembly 222 moves toward the first electromagnetic assembly 221 under the action of the magnetic force between the first magnetizable body 2212 and the magnetic body 2213 and the elastic restoring force of the first elastic member 224.
Alternatively, the first magnetizable body 2212 may be an iron core or the like, and the magnetic body 2213 may be a permanent magnet or the like, which is not limited herein. The second elastic member 225 can reduce the power consumption of the first electromagnetic component 221, simplify the structure of the first electromagnetic component 221, and reduce the manufacturing cost of the first electromagnetic component 221, which is specifically shown as allowing the proportional coil 2211 to input smaller current, and can reduce the number of turns of the proportional coil 2211, thereby reducing the manufacturing cost of the first electromagnetic component 221.
The principle of the proportional valve device 22 is not limited to the above-described plunger type. In other embodiments of the present invention, the proportional valve device 22 may be of a moving coil type, an electric control type, etc., which are understood by those skilled in the art, and will not be described herein.
Further, the proportional coil 2211 has a first terminal 2214. The proportional coil 2211 is electrically connected with a main control board of the gas equipment through a first terminal 2214, and the main control board supplies current to the proportional coil 2211 through the first terminal 2214 so as to control the opening or closing of the proportional valve device 22.
The proportional valve device 22 further includes a first fixed bracket 229. The proportional coil 2211 and the first magnetizable body 2212 are both fixed to the first fixed bracket 229. Specifically, the first fixing bracket 229 is located on the side of the proportional valve cover 227 that faces away from the first valve body assembly. The first fixing bracket 229 has a first limit portion 2291, and the first terminal 2214 of the proportional coil 2211 has a second limit portion 2215. The first limiting portion 2291 is configured to cooperate with the second limiting portion 2215 to limit the direction of the first terminal 2214, so as to facilitate the electrical connection between the proportional coil 2211 and the main control board of the gas device.
For example, as shown in fig. 2, the first limit portion 2291 and the second limit portion 2215 each extend along a straight line. The first and second limiting parts 2291 and 2215 can cooperate to correct the relative position between the proportional coil 2211 and the first fixing bracket 229, and finally when the first and second limiting parts 2291 and 2215 are engaged, the first and second limiting parts 2291 and 2215 are parallel to each other, and the first terminal 2214 of the proportional coil 2211 faces the desired direction.
And, the proportional coil 2211 surrounds a hole structure at its middle portion, and the first magnetizable body 2212 is inserted into the hole structure. The first magnetizable body 2212 is fixed to the first fixing bracket 229 by a fastener such as a nut, and the first fixing bracket 229 and the proportional valve cover 227 are fixed together to the assembly main body 21 by a fastener such as a screw. The first fixing bracket 229 is fixed to the assembly main body 21 by 4 legs so that the first fixing bracket 229 can be stably fixed to the assembly main body 21.
Please continue to refer to fig. 2-4. The first solenoid valve device 23 and the second solenoid valve device 27 have the same structure, and the first solenoid valve device 23 and the second solenoid valve device 27 are described below by taking the first solenoid valve device 23 as an example.
In one embodiment, the first solenoid valve arrangement 23 and the second solenoid valve arrangement 27 each comprise a second solenoid assembly and a second valve body assembly. The second solenoid assembly 231 of the first solenoid valve device 23 drives the second valve body assembly 232 to move by electromagnetic force, thereby selectively conducting the second chamber 212 and the first subchamber 213. The second solenoid assembly of the second solenoid valve device 27 drives the second valve body assembly to move by the electromagnetic force, thereby selectively conducting the third chamber 215 and the first subchamber 213.
Specifically, the second electromagnetic assembly 231 includes an electromagnetic coil 2311, a second magnetizable body 2312 and a third magnetizable body 2313. The electromagnetic coil 2311 is provided around the outer circumferences of the second magnetizable body 2312 and the third magnetizable body 2313. A third magnetizable body 2313 is provided on the second valve body assembly 232. When the electromagnetic coil 2311 is energized, the electromagnetic coil 2311 generates a magnetic field to magnetize the second magnetizable body 2312 and the third magnetizable body 2313, and the magnetism of the second magnetizable body 2312 and the magnetism of the third magnetizable body 2313 are represented as attraction to each other, that is, the second magnetizable body 2312 and the third magnetizable body 2313 are close to each other, driving the second valve body assembly 232 to move toward the second electromagnetic assembly 231, thereby conducting the cavity.
Optionally, solenoid 2311 has a second terminal 2314. The second terminal 2314 is electrically connected to a main control board of the gas appliance, and the main control board supplies current to the electromagnetic coil 2311 through the second terminal 2314, thereby controlling the first electromagnetic valve device 23 and the second electromagnetic valve device 27 to be opened or closed.
Alternatively, the second magnetizable body 2312 has a hollow cylindrical structure, and a portion of the third magnetizable body 2313 is embedded in the second magnetizable body 2312. The second magnetizable body 2312 and the third magnetizable body 2313 may each be a core or the like, and are not limited thereto.
In this embodiment, second electromagnetic assembly 231 further includes a third elastic member 2315 and a sealing cap 2316. Seal cap 2316 covers assembly body 21, and seal cap 2316 forms a seal with assembly body 21. Second valve body assembly 232 is movably disposed through seal cap 2316. The third elastic member 2315 is used for enabling the second valve body assembly 232 to have a moving trend away from the second electromagnetic assembly 231, so that when the electromagnetic coil 2311 is not electrified, the second valve body assembly 232 moves away from the second electromagnetic assembly 231 by elastic restoring force provided by the third elastic member 2315, and further the cavities are in a cut-off state.
Optionally, third elastic member 2315 is sandwiched between sealing cap 2316 and second valve body assembly 232, and third elastic member 2315 is in a compressed state such that second valve body assembly 232 has a tendency to move away from second electromagnetic assembly 231. Also, the third elastic member 2315 may be a spring or the like. Of course, in other embodiments of the present invention, the third elastic member 2315 may be in a stretched state, and the setting position of the third elastic member 2315 need only be correspondingly adjusted, which is not limited herein.
And, the second electromagnetic assembly 231 further includes a second fixed bracket 2317 and a second sealing member 2318. The electromagnetic coil 2311 and the second magnetizable body 2312 are both fixed to a second fixed bracket 2317. The second sealing member 2318 is sandwiched between the second fixing support 2317 and the sealing cap 2316, and the second sealing member 2318 is sleeved on the outer circumference of the third magnetizable body 2313, so that a seal is formed among the second fixing support 2317, the sealing cap 2316 and the third magnetizable body 2313 through the second sealing member 2318.
Further, the second valve body assembly 232 includes a second valve stem 2321 and a gasket 2322. The third magnetizable body 2313 is provided on the second valve stem 2321. Preferably, the third magnetizable body 2313 and the second valve stem 2321 may be of unitary construction, i.e. the second valve stem 2321 is made of an iron core. The gasket 2322 is provided at an end of the second valve stem 2321 facing the assembly body 21. When the sealing gasket 2322 abuts against the assembly main body 21 and plugs the connecting port between the cavities, the cavities are in a cut-off state; and when the gasket 2322 is far away from the assembly body 21, the cavity is conducted. Wherein third resilient member 2315 may be sandwiched between seal cap 2316 and seal 2322.
Alternatively, the gasket 2322 may be made of an elastic material such as rubber, which is not limited herein.
The principle of the first solenoid valve device 23 and the second solenoid valve device 27 is not limited to the above. In other embodiments of the present invention, other forms are possible and are not limited herein.
Referring to fig. 2, 4 and 7, fig. 7 is a schematic structural view of the region C of the valve body assembly shown in fig. 2.
In one embodiment, the gas inlet assembly 24 includes an air inlet interface 241 and a third seal 242. The air inlet 241 is disposed on the assembly main body 21 and is communicated with the third chamber 215, and the fuel gas is input from the air inlet 241 to the third chamber 215. The third seal 242 is used to seal the air inlet interface 241 to the gas pipe. The gas pipe is used for delivering gas to the gas inlet port 241. After the air inlet port 241 is abutted with the gas pipe, the third sealing member 242 is sleeved on the outer circumferences of the air inlet port 241 and the gas pipe to form a seal.
One of the assembly body 21 and the third seal 242 is provided with a stopper 243, and the other is provided with a stopper groove 244. The limiting block 243 is embedded in the limiting groove 244 to limit the third sealing member 242 from rotating relative to the air inlet interface 241, so as to avoid affecting the air tightness between the air inlet interface 241 and the gas pipe. Fig. 7 illustrates an exemplary case where the third sealing member 242 is provided with a stopper 243, and the assembly body 21 is provided with a stopper groove 244, which is not limited herein.
Please continue to refer to fig. 3 and 4. In one embodiment, the first gas outlet assembly 25 includes a first outlet port 251 and a first outlet port 252. The first air outlet port 251 is disposed on the assembly main body 21 and is directly connected to the second subchamber 214, and the fuel gas in the second subchamber 214 is output through the first air outlet port 251. The first air outlet connector 252 is in sealing connection with the first air outlet connector 251, and the first air outlet connector 252 is connected with the burner through a gas pipe so as to convey the gas to the corresponding burner.
Please continue to refer to fig. 3 and 4. In one embodiment, the second gas outlet assembly 26 includes a second outlet port 261 and a second outlet fitting 262. The second air outlet interface 261 is arranged on the assembly main body 21 and is directly communicated with the second accommodating cavity 212, and the fuel gas in the second accommodating cavity 212 is output through the second air outlet interface 261. The second air outlet connector 262 is in sealing connection with the second air outlet connector 261, and the second air outlet connector 262 is connected with the burner through a gas pipe so as to convey the gas to the corresponding burner.
In summary, the first gas outlet component and the second gas outlet component of the valve body assembly of the present invention are respectively used for connecting different combustors. The second cavity is communicated with the second subchamber through the first subchamber. The fuel gas input from the fuel gas inlet assembly can be output from the first fuel gas outlet assembly through the first subchamber and the second subchamber, wherein the flow of the fuel gas output by the first fuel gas outlet assembly is precisely controlled through the proportional valve device, so that the precise control of the baking temperature of the burner connected with the first fuel gas outlet assembly is realized. And moreover, the fuel gas input from the fuel gas inlet assembly can be output from the second fuel gas outlet assembly through the second containing cavity, and the burner connected with the second fuel gas outlet assembly can be allowed to be baked with big fire, so that the valve body assembly can simultaneously meet the control requirements of different burners on baking temperature.
And when the control fuel gas is output from the second fuel gas outlet assembly, the proportional valve device can be out of operation, namely the first subchamber and the second subchamber are allowed to be in a cut-off state, and the fuel gas can still be output from the second fuel gas outlet assembly through the second containing chamber, so that the process of controlling the proportional valve device can be omitted, namely the control process of the valve body is simplified. The valve body assembly is compact in structure, convenient to process and assemble, and free of an air passage stop valve and a proportional valve, and the valve body assembly is low in production cost and very suitable for being applied to gas equipment such as a large-scale gas oven.
In addition, in the present invention, unless explicitly specified and limited otherwise, the terms "connected," "stacked," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (9)

1. A valve body assembly, comprising:
the assembly main body is internally provided with a first containing cavity, a second containing cavity and a third containing cavity; the first cavity comprises a first subchamber and a second subchamber, and the second cavity is communicated with the second subchamber through the first subchamber;
the proportional valve device is arranged in the first containing cavity and used for selectively conducting the first subchamber and the second subchamber;
the first electromagnetic valve device is arranged in the second cavity and used for selectively conducting the second cavity and the first subchamber;
the gas inlet assembly is arranged on the assembly main body and is communicated with the first subchamber and the second containing chamber or communicated with the first subchamber and the second containing chamber through the third containing chamber;
the second electromagnetic valve device is arranged in the third cavity and used for selectively conducting the third cavity and the first subchamber;
the first fuel gas outlet component is arranged on the assembly main body and is directly communicated with the second subchamber;
the second fuel gas outlet component is arranged on the assembly main body and is directly communicated with the second containing cavity.
2. A valve body assembly as recited in claim 1, wherein,
the assembly main body further comprises a first shell part and a second shell part, wherein the first shell part surrounds to form the first subchamber, and the second shell part surrounds to form the second subchamber;
the proportional valve device comprises a first electromagnetic assembly and a first valve body assembly;
the first electromagnetic assembly drives the first valve body assembly to move through electromagnetic force, so that a proportional valve port is formed between the first valve body assembly and the first shell part or between the first valve body assembly and the second shell part, and the first subchamber is communicated with the second subchamber through the proportional valve port.
3. A valve body assembly as recited in claim 2, wherein,
the proportional valve device further comprises a first elastic piece and a second elastic piece;
the first elastic piece and the second elastic piece are respectively connected with the first valve body assembly, the direction of acting force applied to the first valve body assembly by the first elastic piece is opposite to the direction of electromagnetic force, and the direction of acting force applied to the first valve body assembly by the second elastic piece is the same as the direction of electromagnetic force.
4. A valve body assembly as recited in claim 3, wherein,
the proportional valve device further comprises a diaphragm assembly;
the film component is connected with the first valve body component, the first elastic piece is positioned on one side of the first valve body component, which is away from the first electromagnetic component, and the second elastic piece is positioned between the film component and the first electromagnetic component;
wherein, the first elastic piece and the second elastic piece are both in a compression state.
5. The valve body assembly of claim 4, wherein the valve body assembly comprises a valve body,
the proportional valve device further comprises a proportional valve cover;
the second elastic piece is located between the diaphragm assembly and the proportional valve cover, the proportional valve cover is provided with a breathing hole, and a space formed by surrounding the diaphragm assembly and the proportional valve cover is communicated to the outside of the assembly main body through the breathing hole.
6. A valve body assembly as recited in claim 3, wherein,
the proportional valve device further comprises a pressing plate and a first sealing element;
the first elastic piece is clamped between the first valve body component and the pressing plate, and the pressing plate is used for pressing the first sealing piece to the assembly main body to form sealing.
7. A valve body assembly as recited in claim 2, wherein,
the first electromagnetic assembly comprises a proportional coil, a magnetizable body and a magnetic body;
the proportional coil is arranged on the periphery of the magnetizable body in a surrounding mode, and the magnetic body is arranged on the first valve body assembly;
the proportional valve device further comprises a first fixed support, the proportional coil and the magnetizable body are both fixed to the first fixed support, the first fixed support is provided with a first limiting portion, the proportional coil is provided with a first wiring end, the first wiring end is provided with a second limiting portion, and the first limiting portion is used for limiting the orientation of the first wiring end in a matched mode with the second limiting portion.
8. A valve body assembly as recited in claim 1, wherein,
the first electromagnetic valve device and the second electromagnetic valve device comprise a second electromagnetic assembly and a second valve body assembly;
the second electromagnetic assembly drives the second valve body assembly to move through electromagnetic force and is used for selectively conducting the second containing cavity and the first subchamber and selectively conducting the third containing cavity and the first subchamber.
9. A gas plant, characterized by comprising:
a housing;
the first burner is arranged on the shell;
the second burner is arranged on the shell;
a valve body assembly as claimed in any one of claims 1 to 8, a first gas outlet component of the valve body assembly being connected to the first burner and a second gas outlet component being connected to the second burner.
CN202111683431.9A 2021-12-31 2021-12-31 Gas equipment and valve body assembly applied to same Active CN114526352B (en)

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