CN114483990B - Plug valve and gas stove - Google Patents

Plug valve and gas stove Download PDF

Info

Publication number
CN114483990B
CN114483990B CN202110344451.7A CN202110344451A CN114483990B CN 114483990 B CN114483990 B CN 114483990B CN 202110344451 A CN202110344451 A CN 202110344451A CN 114483990 B CN114483990 B CN 114483990B
Authority
CN
China
Prior art keywords
valve
knob
gas
rod
valve core
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.)
Active
Application number
CN202110344451.7A
Other languages
Chinese (zh)
Other versions
CN114483990A (en
Inventor
朱运波
随晶侠
戚正胜
陈国平
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.)
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Original Assignee
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Publication of CN114483990A publication Critical patent/CN114483990A/en
Application granted granted Critical
Publication of CN114483990B publication Critical patent/CN114483990B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
    • 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
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
    • 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
    • F16K31/0644—One-way valve
    • 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
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating 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
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/10—Means for additional adjustment of the rate of flow
    • F16K5/103—Means for additional adjustment of the rate of flow specially adapted for gas valves
    • F16K5/106—Means for additional adjustment of the rate of flow specially adapted for gas valves with pilot flame
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

The application discloses a plug valve and a gas stove, wherein the plug valve comprises a valve body, a valve core assembly and a knob switch assembly, wherein the valve body is provided with an air inlet, a first air outlet and a second air outlet which are respectively communicated with the air inlet so as to form a gas channel; the valve core assembly comprises a first valve core and a second valve core, the first valve core is rotatably arranged in the gas channel, and the second valve core is rotatably arranged in the gas channel; the knob switch assembly is arranged on the valve body and is respectively connected with the first valve core and the second valve core, so that the gas outlet flow of the first gas outlet is adjusted by driving the first valve core to rotate to control the inner ring small fire amount, and the gas outlet flow of the second gas outlet is adjusted by driving the second valve core to rotate to control the outer ring large fire amount. The application improves the structure of the plug valve, improves the safety performance of the gas stove during fire power adjustment, realizes independent adjustment of big and small fires, and increases the fire power distribution range adjustable by users.

Description

Plug valve and gas stove
The present application claims priority from chinese patent office, application number 202022636101.1, chinese patent application entitled "plug valve and gas stove" filed on 11/13/2020, the entire contents of which are incorporated herein by reference.
Technical Field
The application relates to the technical field of plug valves, in particular to a plug valve and a gas stove.
Background
In a stove such as a gas stove, a gas plug valve is a valve body for manually adjusting and controlling gas on-off and adjusting gas size, and generally comprises a valve body, a valve core, a valve rod, an ignition switch, a solenoid valve and other additional devices.
The main working principle of the gas plug valve is as follows: the gas enters through the gas inlet of the valve body, sequentially passes through the electromagnetic valve, then enters the valve core, and finally is communicated with the side opening of the gas outlet pipe through the side opening of the valve core, so that the gas supply of the gas stove is realized.
At present, a gas plug valve of a gas stove is provided with a knob for regulating the size of fire, the gas plug valve is formed by matching an aluminum die-cast valve body with a copper plug, and the aluminum die-cast valve body and the copper plug are in taper fit with each other, so that molybdenum disulfide lubricating oil plays a role in lubrication and sealing. However, the flow rate of the gas plug valve can be adjusted only according to a fixed angle, the fire amount of big and small fires is integrally controlled by one knob, and the range of the fire power adjustment by a user through the knob is smaller.
Disclosure of Invention
The application mainly aims to provide a plug valve and a gas stove, which aim to realize independent adjustment of big and small fire so as to enlarge the range of fire distribution adjustable by a user.
To achieve the above object, the present application provides a plug valve including:
the valve body is provided with an air inlet, a first air outlet and a second air outlet which are respectively communicated with the air inlet so as to form a fuel gas channel;
the valve core assembly comprises a first valve core and a second valve core, the first valve core is rotatably arranged in the gas channel, and the second valve core is rotatably arranged in the gas channel; and
the knob switch assembly is arranged on the valve body and is respectively connected with the first valve core and the second valve core, so that the gas outlet flow of the first gas outlet is adjusted by driving the first valve core to rotate to control the inner ring small fire amount, and the gas outlet flow of the second gas outlet is adjusted by driving the second valve core to rotate to control the outer ring large fire amount.
In one embodiment, the knob switch assembly includes:
the first valve rod is rotatably inserted into the valve body and is connected with the first valve core;
the first knob is arranged on the first valve rod, and when the first knob rotates, the first valve rod drives the first valve core to rotate; and
the second knob is coaxially arranged with the first valve rod and is connected with the second valve core through a transmission assembly, and the second knob drives the second valve core to rotate through the transmission assembly when rotating.
In one embodiment, the second knob is disposed at least partially around the first knob such that the second knob is disposed coaxially with the first valve stem.
In an embodiment, the outer wall of the first knob and/or the second knob is provided with anti-slip threads.
In one embodiment, the transmission assembly includes:
the gear set comprises a first gear and a second gear meshed with the first gear, and the first gear is sleeved on the first valve rod and connected with the second knob; and
the second gear is sleeved on the second valve rod, and the second valve rod is rotatably inserted in the valve body and connected with the second valve core.
In an embodiment, the second knob is provided with a through hole for the first valve rod to pass through and a sinking groove for the first knob to be partially accommodated, a limiting block is arranged in the sinking groove, a limiting groove is arranged at the position of the first knob corresponding to the limiting block, and the limiting block is clamped into the limiting groove to limit the rotation angle of the first knob.
In one embodiment, the rotation angle of the first knob is 0 ° -175 °;
the rotation angle of the second knob is 0-90 degrees.
In an embodiment, the plug valve further comprises a solenoid valve, and the solenoid valve is disposed at the air inlet and is used for opening or closing the gas channel.
In one embodiment, the plug valve further comprises a toggle assembly, the first knob is connected to the first valve core in a pressing and switching manner at a first position and a second position through the first valve rod, and the first valve rod is in driving connection with the electromagnetic valve through the toggle assembly;
when the first knob is at the first position, the first valve rod drives the toggle assembly to drive the electromagnetic valve to close the gas channel;
when the first knob is at the second position, the first valve rod drives the toggle assembly to drive the electromagnetic valve to open the gas channel.
In an embodiment, the first valve rod is connected with the first valve core through an elastic element, when the first knob is pressed by the pressing force to be located at the second position, the elastic element is driven to compress by the first valve rod, and when the pressing force applied to the first knob is removed, the elastic element is elastically stretched, and the first valve rod is driven to drive the first knob to reset to the first position.
In an embodiment, the elastic element is a spring, one end of the spring is sleeved on the first valve rod, and the other end of the spring is sleeved on the first valve core.
In one embodiment, the toggle assembly comprises:
one end of the ejector rod is connected with the first valve rod; and
the other end of the ejector rod is connected with the electromagnetic valve through the deflector rod;
when the first knob is at the second position, the ejector rod is driven by the first valve rod to press one end of the deflector rod, and the other end of the deflector rod is used for poking the electromagnetic valve to open the gas channel;
when the first knob is at the first position, the ejector rod moves upwards under the driving of the first valve rod and drives one end of the deflector rod, and the other end of the deflector rod is used for pulling the electromagnetic valve back to close the gas channel.
In one embodiment, the knob switch assembly further comprises:
the limiting piece is arranged in the valve body and used for limiting the first knob to rotate when the first knob is in the first position; when the first knob is in the second position, the limiting piece releases the rotation limitation of the first knob so that the first knob can rotate.
In one embodiment, the first valve rod comprises a valve rod body and a support rod connected with the valve rod body; the limiting piece comprises a limiting plate, the limiting plate is installed in the valve body and corresponds to the position of the supporting rod, the limiting plate is provided with a groove matched with the supporting rod, and the supporting rod is inserted in the groove to limit the first valve rod to rotate.
In one embodiment, the plug valve further comprises an ignition switch assembly disposed within the valve body for igniting the gas flowing out through the first gas outlet.
In an embodiment, the gas channel comprises a first gas channel and a second gas channel;
the first air outlet and the second air outlet are arranged on the valve body at intervals, and the air inlet is arranged on one side of the valve body, which is opposite to the first air outlet and the second air outlet;
the first gas outlet is communicated with the gas inlet to form the first gas channel, and the second gas outlet is communicated with the gas inlet to form the second gas channel.
In an embodiment, the first valve core is disposed in the first gas channel, and the second valve core is disposed in the second gas channel;
the first valve core and the second valve core are arranged side by side, the first valve core is arranged opposite to the first air outlet, and the second valve core is arranged opposite to the second air outlet.
In one embodiment, a cover plate is provided on a side of the valve body facing away from the knob switch assembly to cover the valve body.
In order to achieve the above object, the present application also proposes a gas range including a plug valve as described above, the plug valve including:
the valve body is provided with an air inlet, a first air outlet and a second air outlet which are respectively communicated with the air inlet so as to form a fuel gas channel;
the valve core assembly comprises a first valve core and a second valve core, the first valve core is rotatably arranged in the gas channel, and the second valve core is rotatably arranged in the gas channel; and
the knob switch assembly is arranged on the valve body and is respectively connected with the first valve core and the second valve core, so that the gas outlet flow of the first gas outlet is adjusted by driving the first valve core to rotate to control the inner ring small fire amount, and the gas outlet flow of the second gas outlet is adjusted by driving the second valve core to rotate to control the outer ring large fire amount.
In the technical scheme of the application, the plug valve comprises a valve body, a valve core assembly and a knob switch assembly, wherein the valve body is provided with an air inlet, a first air outlet and a second air outlet which are respectively communicated with the air inlet so as to form a gas channel; the valve core assembly comprises a first valve core and a second valve core, the first valve core is rotatably arranged in the gas channel, and the second valve core is rotatably arranged in the gas channel; the knob switch assembly is arranged on the valve body and is respectively connected with the first valve core and the second valve core, so that the inner ring small fire amount is controlled by driving the first valve core to rotate and adjusting the gas outlet flow of the first gas outlet, and the outer ring large fire amount is controlled by driving the second valve core to rotate and adjusting the gas outlet flow of the second gas outlet, the independent big and small fire adjusting function is realized, and the user adjustable fire distribution range is enlarged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of one embodiment of a plug valve of the present application;
FIG. 2 is a partial cross-sectional view of one embodiment of a plug valve of the present application in an exploded view from another perspective;
fig. 3 is a cross-sectional view of a further view of an embodiment of a plug valve of the present application.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
100 Valve body 100a Air inlet
200 Valve core assembly 210 First valve core
300 Knob switch assembly 220 Second valve core
400 Electromagnetic valve 330 Second knob
310 First valve rod 350 Gear set
320 First knob 351 First gear
340 Second valve rod 360 Ejector rod
352 Second gear 380 Elastic piece
370 Driving lever 391 Groove
390 Limiting plate 110 Cover plate
500 Ignition switch assembly 120 Cover body
311 Support rod
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
In a stove such as a gas stove, a gas plug valve is a valve body for manually adjusting and controlling gas on-off and adjusting gas size, and generally comprises a valve body, a valve core, a valve rod, an ignition switch, a solenoid valve and other additional devices.
The main working principle of the gas plug valve is as follows: the gas enters through the gas inlet of the valve body, sequentially passes through the electromagnetic valve, then enters the valve core, and finally is communicated with the side opening of the gas outlet pipe through the side opening of the valve core, so that the gas supply of the gas stove is realized.
In an exemplary technology, a gas plug valve of a gas stove is provided with a knob for regulating the size of fire, the gas plug valve is matched with a copper plug by an aluminum die-cast valve body, and the gas plug valve and the copper plug valve are in taper fit with each other, so that lubricating and sealing effects are achieved by molybdenum disulfide lubricating oil. However, the flow rate of the gas plug valve can be adjusted only according to a fixed angle, the fire amount of big and small fires is integrally controlled by one knob, and the range of the fire power adjustment by a user through the knob is smaller.
In order to realize independent adjustment of the fire size and increase the fire distribution range adjustable by a user, the application provides a plug valve which is suitable for various gas combustion appliances, particularly gas stoves, needing to adjust the flame size, and is not limited herein.
Referring to fig. 1 and 2, in an embodiment of the present application, the plug valve includes a valve body 100, a valve core assembly 200, and a knob switch assembly 300, wherein the valve body 100 is provided with an air inlet 100a and a first air outlet (not shown) and a second air outlet (not shown) respectively communicated with the air inlet 100a to form a gas channel; the valve core assembly 200 comprises a first valve core 210 and a second valve core 220, wherein the first valve core 210 is rotatably arranged in the gas channel, and the second valve core 220 is rotatably arranged in the gas channel; the knob switch assembly 300 is disposed on the valve body 100 and is respectively connected with the first valve core 210 and the second valve core 220, so as to control the inner ring small fire amount by driving the first valve core 210 to rotate and adjusting the gas outlet flow of the first gas outlet, and control the outer ring large fire amount by driving the second valve core 220 to rotate and adjusting the gas outlet flow of the second gas outlet.
In this embodiment, the valve body 100 may be made of die-cast aluminum, and the valve core assembly 200 may be made of metal such as copper, or a combination of metal and plastic, and specific materials of the valve body 100 and the valve core assembly 200 are not limited.
The air output of the first air outlet and the second air outlet may be the same or different, for example, the first air outlet is a small fire outlet, the second air outlet is a big fire outlet, or the first air outlet may be a big fire outlet, and the second air outlet is a small fire outlet, which is not limited herein. In this embodiment, the first air outlet is taken as a small fire outlet, and the second air outlet is taken as a big fire outlet as an example.
It should be noted that, the first valve core 210 and the second valve core 220 may be connected to a handle shaft through an elastic member, and an inner ring knob and an outer ring knob capable of independently adjusting the fire power may be installed at the extending end of the handle shaft. When the plug valve is used, the first valve core 210 is driven to rotate by the manual rotation inner ring knob through the handle shaft, the second valve core 220 is driven to rotate by the rotation outer ring knob through the handle shaft, and in the rotating process, the area of the cross section of the gas channel is changed, so that the gas flow flowing through the first gas outlet and the second gas outlet is controlled, and the functions of independently adjusting the big fire flame and the small fire flame of the gas stove are realized.
In this embodiment, the gas channel of the plug valve may include a first gas channel and a second gas channel, the first gas outlet and the second gas outlet may be disposed on the valve body 100 at intervals, and the gas inlet 100a may be disposed on a side of the valve body 100 opposite to the first gas outlet and the second gas outlet, so as to shorten the length of the gas channel, and further reduce the overall volume of the plug valve; the first air outlet communicates with the air inlet 100a to form a first gas passage, and the second air outlet communicates with the air inlet 100a to form a second gas passage. Of course, in some other embodiments, the gas channel may take other configurations, which are not limited herein.
In this embodiment, the first valve core 210 may be disposed in the first gas channel, and the second valve core 220 may be disposed in the second gas channel; the first valve core 210 and the second valve core 220 may be arranged side by side, the first valve core 210 may be arranged opposite to the first air outlet, and the second valve core 220 may be arranged opposite to the second air outlet. By the arrangement, the length of the fuel gas channel can be shortened, and the whole volume of the plug valve is further reduced.
It can be understood that in the present application, the valve body 100 of the plug valve is provided with the air inlet 100a and the first air outlet and the second air outlet respectively communicated with the air inlet 100a to form a gas channel, the valve core assembly 200 includes the first valve core 210 and the second valve core 220, the first valve core 210 is rotatably disposed in the gas channel, the second valve core 220 is rotatably disposed in the gas channel, the knob switch assembly 300 is disposed on the valve body 100 and is respectively connected with the first valve core 210 and the second valve core 220, so as to control the inner ring small fire amount by driving the first valve core 210 to rotate and adjust the gas outlet flow of the first air outlet, and control the outer ring large fire amount by driving the second valve core 220 to rotate and adjust the gas outlet flow of the second air outlet, thereby realizing the independent regulation function of big fire and small fire and increasing the user adjustable fire distribution range.
In some practical scenes, the plug valve of the existing gas stove is a knob for integrally controlling the fire amount of big and small fire, namely, one knob for controlling two gas channels, when the knob of the gas plug valve rotates to a certain angle, the gas channels are not practically closed, the gas outlet flow of the valve body is smaller, the gas outlet flow is possibly insufficient to maintain the combustion state, but the gas still flows out continuously at the moment, so that risks such as deflagration and the like can be generated, and certain potential safety hazards exist.
In this regard, the plug valve of the present application also provides the following improvements:
in one embodiment, referring to fig. 1 and 2, the knob switch assembly 300 of the plug valve may include a first valve stem 310, a first knob 320 and a second knob 330, wherein the first valve stem 310 is rotatably inserted into the valve body 100 and connected with the first valve core 210; the first knob 320 is arranged on the first valve rod 310, and when the first knob 320 rotates, the first valve rod 310 drives the first valve core 210 to rotate; the second knob 330 is coaxially disposed with the first valve rod 310 and is connected with the second valve core 220 through a transmission assembly, and when the second knob 330 rotates, the second valve core 220 is driven to rotate through the transmission assembly. So set up, the user can independently adjust little fire flame size through first knob 320, adjusts big fire flame size through second knob 330 is independent, has realized the independent regulation of big fire, and adjustable firepower distribution's scope is wide, can close the gas channel practically, has avoided the plug valve to lead to the gas leakage because of the gas channel is not closed practically under specific rotation angle, has improved the security performance of gas-cooker when firepower is adjusted.
In this embodiment, the first knob 320 rotates to drive the first valve core 210 to rotate through the first valve rod 310, so as to independently adjust and control the gas outlet flow of the first gas outlet, and the second knob 330 rotates to drive the second valve core 220 to rotate, so as to independently adjust and control the gas outlet flow of the second gas outlet. The plug valve of the embodiment can independently adjust the fire, thereby improving the convenience of the operation of a user and greatly improving the use safety of the combustion appliance.
Further, referring to fig. 1 and 2, the second knob 330 may be disposed at least partially around the first knob 320 such that the second knob 330 is disposed coaxially with the first valve stem 310. The setting can reduce the whole volume of the plug valve, and is convenient for users to manually adjust the fire power.
It should be noted that, the outer walls of the first knob 320 and/or the second knob 330 may be provided with anti-slip patterns to increase friction resistance and improve convenience of thermal power adjustment of the plug valve.
During production and assembly, the second knob 330 may be provided with a through hole for the first valve rod 310 to pass through and a sinking groove for the first knob 320 to partially accommodate, so that the second knob 330 may be arranged around the first knob 320 to form an inner ring knob and an outer ring knob, wherein the inner ring knob may control the small fire amount, the outer ring knob may control the large fire amount, the inner ring knob may practically close the corresponding gas channel, and the outer ring knob may practically close the corresponding gas channel.
In one embodiment, referring mainly to fig. 1, the transmission assembly may include a gear set 350 and a second valve rod 340, the gear set 350 includes a first gear 351 and a second gear 352 engaged with the first gear 351, the first gear 351 is sleeved on the first valve rod 310 and connected with the second knob 330; the second gear 352 is sleeved on the second valve rod 340, and the second valve rod 340 is rotatably inserted into the valve body 100 and connected with the second valve core 220.
Of course, in some other embodiments, more gear combinations may be used, and the specific number of gears of gear set 350 and the specific configuration of other components of the transmission assembly are not limited herein.
It can be appreciated that the second knob 330 can sequentially drive the first gear 351, the second gear 352 and the second valve rod 340 to rotate when rotating, so as to adjust the rotation angle of the second valve core 220, and control the gas flow flowing out of the second gas outlet, so as to realize the function of adjusting the flame size of the second gas outlet of the gas stove.
In this embodiment, the second knob 330 may be sleeved on the outer layer below the first knob 320, or may be distributed with the first knob 320 at intervals along the axial direction thereof, and the second knob 330 may share the first valve rod 310 with the first knob 320, and is connected to the second valve core 220 through gear transmission, so as to control the gas quantity of the big fire outlet (the second gas outlet), thereby adjusting the fire quantity of the big fire on the outer ring of the gas burner.
In some embodiments, referring to fig. 1, the plug valve may further include an ignition switch assembly 500, the ignition switch assembly 500 being disposed within the valve body 100 for igniting the gas flowing out through the first gas outlet. So set up, realized igniting first gas outlet, in addition, put ignition switch subassembly 500 in valve body 100, also reduced the whole volume of this plug valve.
It should be noted that, when the plug valve is ignited, the first knob 320 may be pressed down, and then the first knob 320 is rotated in the counterclockwise direction or the clockwise direction to trigger the ignition switch assembly 500 to perform the ignition operation. Of course, in some other embodiments, the first knob 320 may be directly rotated to trigger the ignition switch assembly 500 to perform the ignition operation, and different ignition operation modes may be implemented only by reasonably limiting the design, which is not limited herein.
In order to control the gas flow at the gas inlet 100a to avoid gas leakage, in an embodiment, referring mainly to fig. 2 and 3, the plug valve may further include a solenoid valve 400, the solenoid valve 400 being provided at the gas inlet 100a and being used to open or close the gas passage.
In this embodiment, the electromagnetic valve 400 may be a flameout protection electromagnetic valve 400, which can control the opening and closing of the gas passage according to the combustion state of the flame, and ensure the cutting off of the gas supply when the flame is extinguished, thereby greatly improving the safety of the plug valve.
In this embodiment, the plug valve may further include a toggle assembly, the first knob 320 is connected to the first valve core 210 in a manner that the first valve rod 310 is in a first position and a second position in a switchable manner, and the first valve rod 310 is in driving connection with the electromagnetic valve 400 through the toggle assembly; when the first knob 320 is at the first position, the toggle assembly is driven by the first valve rod 310 to drive the electromagnetic valve 400 to close the gas channel; when the first knob 320 is at the second position, the first valve rod 310 drives the toggle assembly to drive the electromagnetic valve 400 to open the gas channel.
Further, referring to fig. 1 and 2, the toggle assembly may include a push rod 360 and a toggle lever 370, one end of the push rod 360 is connected with the first valve stem 310, and the other end of the push rod 360 is connected with the solenoid valve 400 through the toggle lever 370 for triggering the solenoid valve 400 to open or close the gas passage.
When the first knob 320 is pressed from the first position to the second position, the push rod 360 is driven by the first valve rod 310 to press one end of the deflector rod 370, and the other end of the deflector rod 370 is used for poking the electromagnetic valve 400 to open the gas channel; when the first knob 320 is pressed from the second position to the first position, the push rod 360 moves up and drives one end of the push rod 370 under the driving of the first valve rod 310, and the other end of the push rod 370 returns to the electromagnetic valve 400 to close the gas channel.
In this embodiment, the first valve rod 310 and the first valve core 210 may be connected by an elastic member 380, such as a spring, so as to press the first knob 320 on the first valve rod 310. Thus, the solenoid valve 400 can be controlled to open or close the gas passage by pressing the first knob 320, improving the convenience of operation.
When the elastic member is a spring, one end of the spring may be sleeved on the first valve rod 310, and the other end of the spring may be sleeved on the first valve core 210.
When the first knob 320 is pressed to the second position, the elastic member is driven to compress by the first valve rod 310, and when the pressing force applied to the first knob 320 is removed, the elastic member is elastically stretched, so as to drive the first valve rod 310 to drive the first knob 320 to return to the first position.
In addition, the second valve rod 340 and the second valve core 220 may also be connected through an elastic member 380, such as a spring, so as to drive the second valve core 220 to rotate through the second valve rod 340 when the second knob 330 rotates, thereby adjusting the gas outlet flow of the second gas outlet.
Based on the above embodiment, in order to achieve independent adjustment of the small fire and facilitate the operation of the user and improve the safety of the gas use, in an embodiment, referring to fig. 1 to 3, the first knob 320 is disposed on the valve body 100 in a manner that the first knob is capable of being pressed and switched between the first position and the second position, the first valve rod 310 includes a valve rod body and a support rod 311 connected to the valve rod body, and the knob switch assembly 300 may further include a limiting member, where the limiting member is installed in the valve body 100.
When the first knob 320 is in the first position, the strut 311 of the first valve rod 310 is engaged with the groove of the limiting member to limit the rotation of the first knob 320. At this time, the plug valve is in an ignition off state.
When the first knob 320 is at the second position, the first knob 320 is pressed, the supporting rod 311 of the first valve rod 310 is separated from the limiting piece, and the first valve rod 310 enters the rotatable area from the limiting area; the first valve rod 310 is pressed and drives the deflector 370 to move to a position triggering the electromagnetic valve 400 to open through the ejector rod 360, so that the gas channel is opened; the first knob 320 can rotate to drive the first valve core 210 to rotate so as to adjust the gas outlet flow of the first gas outlet; the second knob 330 may rotate to drive the second valve core 220 to rotate, so as to adjust the gas outlet flow of the second gas outlet. At this time, the plug valve is in an ignition-on state.
In this embodiment, referring mainly to fig. 2, the limiting member may include a limiting plate 390, where the limiting plate 390 is installed in the valve body 100 and is disposed corresponding to the position of the strut 311, the limiting plate 390 is provided with a groove 391 adapted to the strut 311, and the strut 311 is inserted into the groove 391 to limit the rotation of the first valve rod 310. Wherein, the support 311 may be cylindrical, etc., and the shape of the groove 391 may be adapted to the shape of the support 311 of the first valve stem 310.
It should be noted that the limiting member may be a single structure similar to the integrally formed limiting plate 390, or may be a limiting structure formed by combining a plurality of components, which is not limited herein.
When the small fire power is regulated, the first knob 320 rotates to drive the first valve rod 310 to rotate, so that the elastic piece 380 at the other end of the first valve rod 310 is compressed and deformed and rotates along the preset direction, the elastic piece 380 rotates to drive the first valve core 210 connected with the elastic piece to rotate, the area of the cross section of the first gas channel is changed, the gas flow of the first gas outlet is regulated, and the flame size of the inner ring small fire is independently controlled.
When the fire power of the big fire is regulated, the second knob 330 rotates to drive the second valve rod 340 to rotate through the transmission assembly, so that the elastic piece 380 at the other end of the second valve rod 340 is compressed and deformed and rotates along the preset direction, the elastic piece 380 rotates to drive the second valve core 220 connected with the elastic piece to rotate, the area of the cross section of the second gas channel is changed, the gas flow of the second gas outlet is regulated, and the flame size of the big fire of the outer ring is further independently controlled.
Further, in some embodiments, the second knob 330 may be provided with a through hole through which the first valve rod 310 passes and a sink in which the first knob 320 is partially accommodated, a stopper is disposed in the sink, and a position of the first knob 320 corresponding to the stopper is provided with a limit slot, into which the stopper is clamped, so as to limit a rotation angle of the first knob 320.
It will be appreciated that, with the above-described limit structure, the rotation angle of the first knob 320 in this embodiment may be 0 ° -175 °, and the rotation angle of the second knob 330 may be 0 ° -90 °. Of course, in some other embodiments, the range of rotation angles of the first knob 320 and the second knob 330 may also be fine-tuned by adjusting the limit structure to appropriately increase or decrease the user-adjustable fire distribution range.
In this embodiment, when the rotation angle of the first knob 320 is increased to 90 °, the gas flow rate of the first gas outlet (inner ring) reaches the maximum. At this time, the rotation angle of the first knob 320 is continuously increased to 175 °, the gas flow rate of the first gas outlet is gradually decreased after maintaining the maximum value for a certain interval, and reaches the minimum value at 175 °. After the first knob 320 is opened, the second knob 330 may be rotated counterclockwise (in other embodiments, it may be configured to rotate clockwise, not limited herein), and driven by the gear set 350 and the second valve stem 340 to control the second outlet (outer ring) gas flow. The second knob 330 is limited by the first knob 320, and the rotation angle range of the second knob is 0 ° -90 °, the gas flow of the second gas outlet gradually increases in the interval, and reaches the maximum at 90 °, but the rotation angle of the second knob 330 cannot be larger than the rotation angle of the first knob 320. When the rotation angle of the second knob 330 returns to 0 °, the gas channel corresponding to the second gas outlet is closed; when the rotation angle of the first knob 320 returns to 0 °, the annular gas channel corresponding to the first gas outlet is closed at the same time.
It should be noted that, when the current rotation angle Φ of the first knob 320 is within the range of 0 ° -90 °, the rotation angle of the second knob 330 is limited to the range of 0 ° - Φ, and if the outer ring fire amount is to be increased continuously, the inner ring fire amount should be increased simultaneously, so as to avoid uneven heating of the inner ring and the outer ring of the pan surface.
In some embodiments, referring to fig. 1, the side of the valve body 100 facing away from the rotary switch assembly 300 may be capped with a cover plate 110 to cover the bottom of the valve body 100. In addition, a cover 120 can be covered on the valve body 100 corresponding to the first valve rod 310 and the gear set 350, so as to avoid exposing parts such as the gear set 350 on the top of the valve body 100, and improve the overall aesthetic property of the plug valve while prolonging the service life of the parts.
The cover plate 110 and the cover 120 may be made of the same metal material as the valve body 100, such as die-cast aluminum, and the like, and are not limited thereto.
The application also provides a gas stove which comprises the plug valve, and the specific structure of the plug valve refers to the embodiment, and as the gas stove comprises all the schemes of all the embodiments of the plug valve, the gas stove at least has the same technical effects as the plug valve, and the technical effects are not described one by one.
The foregoing description is only of the optional embodiments of the present application, and is not intended to limit the scope of the application, and all the equivalent structural changes made by the description of the present application and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the application.

Claims (18)

1. A plug valve, the plug valve comprising:
the valve body is provided with an air inlet, a first air outlet and a second air outlet which are respectively communicated with the air inlet so as to form a fuel gas channel;
the valve core assembly comprises a first valve core and a second valve core, the first valve core is rotatably arranged in the gas channel, and the second valve core is rotatably arranged in the gas channel; and
the knob switch assembly is arranged on the valve body and is respectively connected with the first valve core and the second valve core, so that the knob switch assembly is used for controlling the inner ring small fire amount by driving the first valve core to rotate and adjusting the gas outlet flow of the first gas outlet and controlling the outer ring large fire amount by driving the second valve core to rotate and adjusting the gas outlet flow of the second gas outlet;
the knob switch assembly includes:
the first valve rod is rotatably inserted into the valve body and is connected with the first valve core;
the first knob is arranged on the first valve rod, and when the first knob rotates, the first valve rod drives the first valve core to rotate; and
the second knob is coaxially arranged with the first valve rod, is connected with the second valve core through a transmission assembly, and drives the second valve core to rotate through the transmission assembly when rotating; the first knob is used for independently adjusting the flame size of the small fire, and the second knob is used for independently adjusting the flame size of the large fire.
2. The plug valve of claim 1, wherein the second knob is disposed at least partially around the first knob such that the second knob is disposed coaxially with the first valve stem.
3. Plug valve according to claim 1, wherein the outer wall of the first knob and/or the second knob is provided with anti-slip threads.
4. The plug valve of claim 1, wherein the transmission assembly comprises:
the gear set comprises a first gear and a second gear meshed with the first gear, and the first gear is sleeved on the first valve rod and connected with the second knob; and
the second gear is sleeved on the second valve rod, and the second valve rod is rotatably inserted in the valve body and connected with the second valve core.
5. The plug valve of claim 4, wherein the second knob is provided with a through hole for the first valve rod to pass through and a sinking groove for the first knob to be partially accommodated, a limiting block is arranged in the sinking groove, a limiting groove is arranged at a position of the first knob corresponding to the limiting block, and the limiting block is clamped into the limiting groove to limit the rotation angle of the first knob.
6. The plug valve of claim 5, wherein the first knob has a rotation angle of 0 ° -175 °;
the rotation angle of the second knob is 0-90 degrees.
7. The plug valve of claim 1, further comprising a solenoid valve provided to the air inlet and adapted to open or close the gas passage.
8. The plug valve of claim 7, further comprising a toggle assembly, the first knob being switchably connected to the first spool in a first position and a second position by the first valve stem, the first valve stem being drivingly connected to the solenoid valve by the toggle assembly;
when the first knob is at the first position, the first valve rod drives the toggle assembly to drive the electromagnetic valve to close the gas channel;
when the first knob is at the second position, the first valve rod drives the toggle assembly to drive the electromagnetic valve to open the gas channel.
9. The plug valve of claim 8, wherein the first valve stem is connected to the first valve core by an elastic member, and when the first knob is pressed to the second position, the elastic member is driven to compress by the first valve stem, and when the pressing force applied to the first knob is removed, the elastic member is elastically stretched, so that the first valve stem is driven to return the first knob to the first position.
10. The plug valve of claim 9, wherein the elastic member is a spring, one end of the spring is sleeved on the first valve rod, and the other end of the spring is sleeved on the first valve core.
11. The plug valve of claim 9, wherein the toggle assembly comprises:
one end of the ejector rod is connected with the first valve rod; and
the other end of the ejector rod is connected with the electromagnetic valve through the deflector rod;
when the first knob is at the second position, the ejector rod is driven by the first valve rod to press one end of the deflector rod, and the other end of the deflector rod is used for poking the electromagnetic valve to open the gas channel;
when the first knob is at the first position, the ejector rod moves upwards under the drive of the first valve rod and drives one end of the deflector rod, and the other end of the deflector rod is used for callback of the electromagnetic valve to close the gas channel.
12. The plug valve of any one of claims 8-11, wherein the knob switch assembly further comprises:
the limiting piece is arranged in the valve body and used for limiting the first knob to rotate when the first knob is in the first position; when the first knob is in the second position, the limiting piece releases the rotation limitation of the first knob so that the first knob can rotate.
13. The plug valve of claim 12 wherein the first valve stem comprises a stem body and a stem coupled to the stem body; the limiting piece comprises a limiting plate, the limiting plate is installed in the valve body and corresponds to the position of the supporting rod, the limiting plate is provided with a groove matched with the supporting rod, and the supporting rod is inserted in the groove to limit the first valve rod to rotate.
14. The plug valve of claim 1 further comprising an ignition switch assembly disposed within the valve body for igniting the gas flowing out through the first gas outlet.
15. The plug valve of claim 1 wherein the gas passage comprises a first gas passage and a second gas passage;
the first air outlet and the second air outlet are arranged on the valve body at intervals, and the air inlet is arranged on one side of the valve body, which is opposite to the first air outlet and the second air outlet;
the first gas outlet is communicated with the gas inlet to form the first gas channel, and the second gas outlet is communicated with the gas inlet to form the second gas channel.
16. The plug valve of claim 15, wherein the first valve spool is disposed within the first gas passage and the second valve spool is disposed within the second gas passage;
the first valve core and the second valve core are arranged side by side, the first valve core is arranged opposite to the first air outlet, and the second valve core is arranged opposite to the second air outlet.
17. The plug valve of claim 1, wherein a side of the valve body facing away from the knob switch assembly is covered with a cover plate to cover the valve body.
18. A gas range comprising a plug valve according to any one of claims 1 to 17.
CN202110344451.7A 2020-11-13 2021-03-30 Plug valve and gas stove Active CN114483990B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022636101 2020-11-13
CN2020226361011 2020-11-13

Publications (2)

Publication Number Publication Date
CN114483990A CN114483990A (en) 2022-05-13
CN114483990B true CN114483990B (en) 2023-12-12

Family

ID=81491715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110344451.7A Active CN114483990B (en) 2020-11-13 2021-03-30 Plug valve and gas stove

Country Status (1)

Country Link
CN (1) CN114483990B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104048082A (en) * 2013-03-13 2014-09-17 博西华电器（江苏）有限公司 Gas range and gas flow control device therefor
CN105546149A (en) * 2016-01-26 2016-05-04 宁波方太厨具有限公司 Gas stove flow control valve
WO2017156650A1 (en) * 2016-03-15 2017-09-21 李雪波 Gas valve capable of achieving synchronous change in both outer-ring fire and inner-ring fire
CN207554855U (en) * 2017-12-18 2018-06-29 中山联帮百朗士燃具电器有限公司 A kind of ultra-thin fuel gas plug valve
CN207778506U (en) * 2018-01-30 2018-08-28 广东万家乐厨房科技有限公司 Gas-cooker and combustion system
CN109630688A (en) * 2018-12-26 2019-04-16 佛山市顺德区美的洗涤电器制造有限公司 A kind of gas valve and gas utensil
CN208831808U (en) * 2018-07-30 2019-05-07 宁波来特燃气具有限公司 It can control two fire rows and have the gas valve of ever-burning flame function
CN211423430U (en) * 2019-12-20 2020-09-04 浙江博顿燃具科技有限公司 Plug valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814139B2 (en) * 2010-07-30 2014-08-26 Swagelok Company Anti-extrusion packing support

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104048082A (en) * 2013-03-13 2014-09-17 博西华电器（江苏）有限公司 Gas range and gas flow control device therefor
CN105546149A (en) * 2016-01-26 2016-05-04 宁波方太厨具有限公司 Gas stove flow control valve
WO2017156650A1 (en) * 2016-03-15 2017-09-21 李雪波 Gas valve capable of achieving synchronous change in both outer-ring fire and inner-ring fire
CN207554855U (en) * 2017-12-18 2018-06-29 中山联帮百朗士燃具电器有限公司 A kind of ultra-thin fuel gas plug valve
CN207778506U (en) * 2018-01-30 2018-08-28 广东万家乐厨房科技有限公司 Gas-cooker and combustion system
CN208831808U (en) * 2018-07-30 2019-05-07 宁波来特燃气具有限公司 It can control two fire rows and have the gas valve of ever-burning flame function
CN109630688A (en) * 2018-12-26 2019-04-16 佛山市顺德区美的洗涤电器制造有限公司 A kind of gas valve and gas utensil
CN211423430U (en) * 2019-12-20 2020-09-04 浙江博顿燃具科技有限公司 Plug valve

Also Published As

Publication number Publication date
CN114483990A (en) 2022-05-13

Similar Documents

Publication Publication Date Title
US6520481B2 (en) Linearly regulated gas valve for gas burners
DE69633859T2 (en) EVAPORIZING BURNER WITH LIQUID FEED BY CAPILLARY EFFECT
EP2407721B1 (en) Gas valve device and gas stove
US6029705A (en) Gas control valve
GB2531085A (en) Gas combustor
CN208831808U (en) It can control two fire rows and have the gas valve of ever-burning flame function
CN114483990B (en) Plug valve and gas stove
CN211315222U (en) Gas valve for large-fire range
CN104913302B (en) Safety-type dual gas supply control system
CN216279547U (en) Gas valve
CN211852896U (en) Coaxial gas control valve
CN212004376U (en) Valve core, plug valve and gas appliance
CN2916302Y (en) Control valve for heating device
CN211175495U (en) Gas stove regulating valve and gas stove
CN208222575U (en) A kind of piezoelectric igniting type intelligence valve system and the stove using the valve system
CN211041044U (en) Gas stove with central fire controlled independently
KR20110011393U (en) Ignition system for gas ranges
CN212318867U (en) Gas regulating valve and gas equipment with same
JPH08303774A (en) Fire force adjusting mechanism at ignition of gas apparatus
KR960001880Y1 (en) The pressure regulating valve for a gas burner
CN112032358A (en) Gas stove regulating valve and gas stove
CN214500166U (en) Gas control valve and gas stove
CN212377967U (en) Nozzle for gas stove ejector
CN218094372U (en) Plug valve and gas equipment
CN216895888U (en) Valve core for plug valve, plug valve with valve core and gas appliance with plug valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant