WO2021204236A1 - 旋塞阀和家用电器 - Google Patents

旋塞阀和家用电器 Download PDF

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Publication number
WO2021204236A1
WO2021204236A1 PCT/CN2021/086128 CN2021086128W WO2021204236A1 WO 2021204236 A1 WO2021204236 A1 WO 2021204236A1 CN 2021086128 W CN2021086128 W CN 2021086128W WO 2021204236 A1 WO2021204236 A1 WO 2021204236A1
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WO
WIPO (PCT)
Prior art keywords
valve
trigger
switch
valve stem
plug
Prior art date
Application number
PCT/CN2021/086128
Other languages
English (en)
French (fr)
Inventor
张艺缤
戚正胜
管优林
Original Assignee
佛山市顺德区美的洗涤电器制造有限公司
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 佛山市顺德区美的洗涤电器制造有限公司 filed Critical 佛山市顺德区美的洗涤电器制造有限公司
Priority to EP21784966.0A priority Critical patent/EP4102114B1/en
Publication of WO2021204236A1 publication Critical patent/WO2021204236A1/zh

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    • 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
    • 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
    • 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic 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
    • 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
    • F16K5/0242—Spindles and actuating 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
    • 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
    • F16K5/0257—Packings
    • F16K5/0278—Packings on the plug
    • 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
    • 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
    • F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the 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
    • 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
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/16—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details
    • 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

Definitions

  • the invention relates to the technical field of household appliances, in particular to a plug valve and household appliances.
  • the gas cock is a valve used to manually adjust and control the on and off of the gas and adjust the size of the gas.
  • the gas cock is equipped with a micro switch for igniting the cock.
  • the plug valve is provided with two switches.
  • the valve stem of the gas plug valve is provided with a trigger structure that triggers the two switches.
  • the embodiment of the present invention provides a plug valve and a household appliance.
  • valve seat installed on the body, the valve seat is provided with a hollow mounting column, and a first space and a second space are opened on the circumferential side wall of the mounting column;
  • the valve stem is arranged on the valve seat and penetrates the mounting post, the outer peripheral surface of the valve stem is provided with a single trigger groove, and the trigger groove includes an upper trigger surface and a lower trigger surface;
  • a first switch and a second switch the first switch includes a first trigger terminal, the second switch includes a second trigger terminal, the first trigger terminal penetrates the first space, and the second trigger terminal Penetrating the second space, the cock valve is configured to trigger the first trigger terminal by the upper trigger surface when the valve stem is pressed so that the first switch is in the first state, The lower trigger surface triggers the second trigger terminal so that the second switch is in the second state.
  • the upper trigger surface triggers the first trigger terminal to make the The first switch is in the third state
  • the lower trigger surface keeps the second switch in the second state or the lower trigger surface triggers the second trigger terminal to make the second switch in the fourth state. state.
  • the above-mentioned plug valve by providing two switches, can use the different states of the two switches to combine to expand more functional applications, which can meet more needs, and the valve stem is provided with a single trigger groove to form a corresponding trigger
  • the structure can simplify the processing requirements of the valve stem, and the production efficiency is higher and more reliable.
  • the upper trigger surface is a flat surface
  • the lower trigger surface is a flat surface
  • the first space and the second space are partially opposite to each other in a preset direction, and the preset direction includes a vertical direction.
  • the first space and the second space include through holes.
  • the first switch is in a normally open state in a normal state
  • the second switch is in a closed state in a normal state
  • the bottom of the valve stem is convexly provided with a clamping block
  • the bottom of the valve seat is provided with an adjusting surface and a clamping groove
  • the clamping block is located in the clamping groove to restrict the rotation of the valve stem.
  • the blocking block is located on the adjusting surface
  • the blocking block When the valve stem is released from pressing, the blocking block is located on the adjusting surface, or the blocking block is located in the clamping slot.
  • the height difference between the bottom surface of the slot and the adjustment surface is smaller than the distance that the upper trigger surface moves to abut the first trigger terminal when the valve stem is pressed.
  • the height difference between the bottom surface of the slot and the adjustment surface is greater than the distance that the lower trigger surface moves down to be able to escape from the second trigger terminal when the valve stem is pressed.
  • the plug valve includes a convex portion provided on the adjusting surface, and the convex portion and the locking groove are used to jointly limit the rotation angle range of the valve stem.
  • the plug valve includes a valve core, a valve core needle, a lever, and a third switch.
  • the valve core and the lever are located in the body, and the valve rod can drive the valve.
  • the core rotates synchronously, the third switch is connected to the body, and the valve core needle is connected to the valve stem and penetrates the valve core.
  • the valve stem passes through the The spool needle drives the lever to rotate to trigger the third switch.
  • the plug valve includes a spool needle spring, the spool needle spring is sheathed with the spool needle, and the spool needle spring is used to drive when the valve stem is unpressed. The valve stem moves.
  • the valve core is provided with a first cavity, a second cavity, and a valve core perforation connecting the first cavity and the second cavity
  • the valve core needle spring is located in the first cavity
  • the plug valve includes a sealing element located in the first cavity, the valve core needle penetrates the first cavity, the valve core perforation and the second cavity, and the valve core needle spring is compressed by the valve core needle.
  • the sealing element seals the gap between the valve core needle and the valve core perforation.
  • the plug valve includes a gasket located between the valve core needle spring and the seal.
  • the bottom surface of the first cavity is provided with a mounting groove, and the sealing member is at least partially located in the mounting groove.
  • the first trigger terminal includes a first inclined surface that faces the upper trigger surface and is inclined in an axial direction away from the valve stem, and the second trigger terminal includes a parallel surface that faces the lower trigger surface. A second inclined surface inclined in the axial direction away from the valve stem.
  • the plug valve further includes a first fastener and a second fastener;
  • the valve seat is provided with a first protrusion, a second protrusion, a first fixing hole and a second fixing Hole
  • the first switch is provided with a first recess and a first mounting hole
  • the second switch is provided with a second recess and a second mounting hole
  • the first protrusion is located in the first recess
  • the The first fastener penetrates the first mounting hole and connects the hole wall of the first fixing hole to fix the first switch
  • the second protrusion is located in the second recess
  • the firmware penetrates the second mounting hole and connects to the hole wall of the second fixing hole to fix the second switch.
  • the household appliance provided by the embodiment of the present invention includes the plug valve of any of the above embodiments.
  • the household appliance includes a gas appliance.
  • valve stem is provided with a single trigger groove to form a corresponding trigger
  • the structure can simplify the processing requirements of the valve stem, and the production efficiency is higher and more reliable.
  • Figure 1 is a top view of a plug valve according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view of the plug valve in Figure 1 along the A-A direction;
  • Figure 3 is an enlarged view of part I of Figure 2;
  • Fig. 4 is a schematic structural diagram of a valve seat according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the structure of the valve stem of the embodiment of the present invention.
  • Fig. 6 is another structural diagram of the valve seat of the embodiment of the present invention.
  • Figure 7 is a cross-sectional view of the plug valve in Figure 1 along the B-B direction;
  • FIG. 8 is a schematic structural diagram of a shift lever according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a first switch according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a second switch according to an embodiment of the present invention.
  • Fig. 11 is a schematic diagram of a related art valve stem
  • FIG. 12 is a schematic diagram of the structure of a trigger terminal of a related art switch.
  • plug valve 100 body 10, fluid passage 12, valve seat 20, mounting post 22, first space 222, second space 224, adjustment surface 21, card slot 23, bottom surface 232, first protrusion 24 , Second protrusion 25, first fixing hole 26, second fixing hole 27, first fastener 28, second fastener 29, valve stem 30, trigger groove 31, upper trigger surface 312, lower trigger surface 314 ,
  • valve stem 1 first trigger groove 101, first trigger surface 1011, second trigger groove 102, second trigger surface 1022, convex portion 1023, detection switch 3, trigger terminal 300, right-angle end surface 301.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
  • the features defined with “first” and “second” may explicitly or implicitly include one or more features.
  • “plurality” means two or more than two, unless otherwise specifically defined.
  • the "on” or “under” of the first feature of the second feature may include the first and second features in direct contact, or may include the first and second features Not in direct contact but through other features between them.
  • the "above”, “above” and “above” of the first feature on the second feature include the first feature directly above and obliquely above the second feature, or it simply means that the first feature is higher in level than the second feature.
  • the “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connect, or connect in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, and it can be a communication between two elements or an interaction relationship between two elements.
  • the specific meanings of the above-mentioned terms in the present invention can be understood according to specific situations.
  • a plug valve 100 provided by an embodiment of the present invention includes a body 10, a valve seat 20, a valve stem 30, a first switch 32 and a second switch 34.
  • the valve seat 20 is installed on the body 10, the valve seat 20 is provided with a hollow mounting post 22, and the circumferential side wall of the mounting post 22 is provided with a first space 222 and a second space 224 (please refer to FIG. 4).
  • the valve stem 30 is provided on the valve seat 20 and the mounting post 22 is penetrated.
  • the outer peripheral surface of the valve stem 30 is provided with a single trigger groove 31.
  • the trigger groove 31 includes an upper trigger surface 312 and a lower trigger surface 314 (please refer to FIG. 5).
  • the first switch 32 and the second switch 34 are installed on the valve seat 20.
  • the first switch 32 includes a first trigger terminal 322, and the second switch 34 includes a second trigger terminal 342.
  • the first trigger terminal 322 penetrates the first space 222, and the second trigger terminal 342 penetrates the second space 224.
  • the plug valve 100 is configured to trigger the first trigger terminal 322 by the upper trigger surface 312 when the valve stem 30 is pressed.
  • the lower trigger surface 314 triggers the second trigger terminal 342 to make the second switch 34 in the second state.
  • the upper trigger surface 312 triggers the first trigger
  • the terminal 322 is used to make the first switch 32 in the third state
  • the lower trigger surface 314 is to keep the second switch 34 in the second state
  • the lower trigger surface 314 triggers the second trigger terminal 342 to make the second switch 34 in the fourth state.
  • the above-mentioned plug valve 100 by providing two switches, can use different states of the two switches to be combined to expand more functional applications, thereby meeting more needs. Moreover, a single trigger groove 31 is provided through the valve stem 30 Forming a corresponding trigger structure can simplify the processing requirements for the valve stem 30, and the production efficiency is higher and more reliable.
  • the trigger terminals of switches are generally inclined surfaces with a certain slope on the upper and lower sides.
  • the related art valve stem 1 is provided with two trigger grooves, namely a first trigger groove 101 and a second trigger groove 102.
  • the first trigger groove 101 and the second trigger groove 102 are respectively provided with a first trigger surface 1011 and a second trigger surface 1022.
  • the first trigger surface 1011 is used to trigger the ignition switch, and the second trigger surface 1022 is used to trigger the detection switch 3.
  • the first trigger surface 1011 is the top surface of the first trigger groove 101
  • the second trigger surface 1022 is the top surface of the second trigger groove 102.
  • the thickness of the convex portion 1023 where the second trigger surface 1022 formed by the second trigger groove 102 is located is relatively thin. If a detection switch with a trigger terminal with inclined surfaces on both the upper and lower sides is used, it will prevent the convex portion from being pressed down to the bottom of the valve stem 1 1023 will move along the lower slope, so that the trigger terminal 300 of the detection switch 3 triggered by the second trigger surface 1022 is separated and reset, which causes the triggering of the detection switch 3 to fail. However, increasing the thickness of the convex portion 1023 will increase the overall length of the valve stem 1, which is not conducive to body control.
  • the trigger terminal 300 of the detection switch 3 is processed, and the lower end of the trigger terminal 300 of the detection switch 3 is set as a right-angle end surface 301.
  • the two surfaces connected by the right-angle end surface 301 are flat surfaces, and the two surfaces can form an included angle of 90 degrees.
  • the valve stem 1 is provided with a plug valve with two trigger grooves, which has higher requirements on the shape of the trigger terminal 300 of the detection switch 3, which increases the complexity of the plug valve processing and greatly reduces it.
  • the production efficiency of the plug valve is improved, and the production cost of the plug valve is increased. Therefore, in order to facilitate the user's operation, it is necessary to improve the structure of the plug valve to a certain extent.
  • the trigger surfaces of the plug valve 100 are the upper and lower surfaces of the trigger groove 31, respectively.
  • the length of the valve stem 30 required for the plug valve 100 of the single trigger groove 31 is shorter, which greatly reduces the production cost of the plug valve 100, and the single trigger groove 31 is located at the valve stem 30 Processing is relatively simple.
  • the plug valve 100 with a single trigger groove 31 does not need to process the shape of the trigger terminal of the switch, so that the trigger terminal can accurately trigger the trigger surface, and there is no situation that the trigger terminal and the trigger surface are separated. This reduces the requirement on the shape of the trigger terminal and further improves the production efficiency of the plug valve.
  • the body 10 of the plug valve 100 is provided with a valve seat 20 and a valve stem 30.
  • the valve seat 20 is provided with a mounting post 22, a first switch 32 and a second switch 34.
  • the mounting post 22 is hollow, and the valve stem 30 can be inserted into the mounting post 22.
  • a first space 222 and a second space 224 are opened on the circumferential side wall of the mounting column 22. In the embodiment of the present invention, the first space 222 and the second space 224 are partially opposite to each other in the vertical direction.
  • the first space 222 may be a notch or a through hole
  • the second space 224 may also be a notch or a through hole, which is not specifically limited herein.
  • the notch may be a hole formed by the circumferential side wall of the mounting column 22 missing a part of the column wall from the top of the mounting column 22 downwards, and the notch may communicate with the inside of the mounting column 22.
  • the through hole may be a through hole opened in the circumferential side wall of the mounting column 22 below the top of the mounting column 22, and the through hole may communicate with the inside of the mounting column 22.
  • the shape of the through hole may be a circle, an ellipse, a rectangle, or other shapes, and is not specifically limited herein. In the embodiment of FIG.
  • the first space 222 is a notch, and the second space 224 is a through hole. In this way, compared to opening two through holes, the first space 222 does not need to pass through the window of the guide sleeve, and the process is relatively simple.
  • the outer peripheral surface of the valve stem 30 is provided with a single trigger groove 31, and the trigger groove 31 includes an upper trigger surface 312 and a lower trigger surface 314.
  • the upper trigger surface 312 is located above the lower trigger surface 314.
  • the arrangement of a single trigger groove 31 can simplify the processing of the valve stem structure.
  • a single trigger groove 31 can be formed by cutting grooves, so that the trigger groove 31 can be formed only by one processing.
  • the trigger groove 31 can be annular, that is, it can be opened at 360 degrees, or it can be opened at less than 360 degrees, but it needs to be set in accordance with the rotation stroke of the plug valve 100.
  • the cock valve 100 In the normal state, the cock valve 100 is in the closed state, the gas is cut off, and the upper trigger surface 312 is separated from the first trigger terminal 322 (the first trigger terminal 322 is not pressed), so that the first switch 32 is in the third state (normally open state) ), the lower trigger surface 314 abuts against the second trigger terminal 342 (that is, the second trigger terminal 342 is pressed down), so that the second switch 34 is in the fourth state (closed state).
  • the valve stem 30 When the valve stem 30 is pressed, the upper trigger surface 312 abuts the first trigger terminal 322 to trigger the first trigger terminal 322, so that the first switch 32 is in the first state (closed state), and the lower trigger surface 314 is separated from the first trigger terminal 322.
  • the two terminals 342 are triggered to make the second switch 34 in the second state (normally open state).
  • the upper trigger surface 312 is separated from the first trigger terminal 322 to trigger the first trigger terminal 322, so that the first switch 32 is in the third state (normally open state).
  • the lower trigger surface 314 remains separated from the second trigger terminal 342 to keep the second switch 34 in the second state (normally open state); or the lower trigger surface 314 abuts against the second trigger terminal 342 to trigger the second trigger terminal 342, so that the second switch 34 is in the fourth state (closed state).
  • the first switch 32 may be an ignition micro switch
  • the second switch 34 may be a detection micro switch.
  • the ignition micro switch in the normal state, can be in the normally open state, and the detection micro switch can be in the closed state, that is, the normally open state of the ignition micro switch indicates that the ignition micro switch can have no signal output
  • the signal to the control panel or output of the household appliance indicates that the ignition micro switch is in a normally open state (such as a low-level signal), and the detection of the closed state of the micro switch means that a signal (such as a high-level signal) is output to the micro switch.
  • the control panel of household appliances or no signal output different calibration methods can be preset).
  • the household appliance can recognize that the state of the plug valve 100 is the closed state.
  • the first switch 32 has a first trigger terminal 322, and the second switch 34 has a second trigger terminal 342.
  • the first trigger terminal 322 penetrates the first space 222, and the second trigger terminal 342 penetrates the second space 224.
  • the first switch 32 may output a first electrical signal when the first trigger terminal 322 is triggered, and the second switch 34 may output a second electrical signal when the second trigger terminal 342 is triggered.
  • the first trigger terminal 322 may be an ignition micro switch trigger terminal
  • the second trigger terminal 342 may be a detection micro switch trigger terminal.
  • the first state of the first switch 32 corresponds to the normally open state of the first switch 32
  • the third state of the first switch 32 corresponds to the closed state of the first switch 32
  • the second state of the second switch 34 The state corresponds to the closed state of the second switch 34
  • the fourth state of the second switch 34 corresponds to the normally open state of the second switch 34.
  • the plug valve 100 When the plug valve 100 is in a closed state, the plug valve 100 prevents fluid from passing through, and when the plug valve 100 is in an open state, the plug valve 100 allows fluid to pass through. Fluids can include liquids and gases. In other embodiments, other calibration methods of the on-off state and the state of the plug valve 100 may also be used.
  • an upper trigger surface 312 and a lower trigger surface 314 are sequentially provided.
  • the upper trigger surface 312 is separated from the first trigger terminal 322 of the first switch 32.
  • the first switch 32 is in the normally open state, and the lower trigger surface 314 is connected to the second switch 34.
  • the second trigger terminal 342 abuts, and the second switch 34 is in the closed state at this time.
  • the upper trigger surface 312 abuts or separates from the first trigger terminal 322 of the first switch 32, and the lower trigger surface 314 is in contact with the second trigger terminal 322 of the second switch 34.
  • the trigger terminal 342 abuts or separates. It should be noted that the separation mentioned here can refer to physical separation, or it can mean that the two are in contact but not enough to cause the trigger surface to trigger the trigger terminal to change the state of the switch.
  • the abutment mentioned here refers to the direct conflict between the trigger surface and the trigger terminal to change and maintain the state of the switch. When there is a direct conflict, there is no other structure between the trigger surface and the trigger terminal.
  • the first switch 32 is in the third state, and the second switch 34 is in the fourth state.
  • the first switch 32 in a normal state, may be in a normally open state, and the second switch 34 may be in a closed state.
  • the upper trigger surface 312 can abut the first trigger terminal 322, so that the A switch 32 is in the first state.
  • the first switch 32 is in the closed state, which can trigger certain actions of the household appliance, such as triggering the ignition of a gas appliance.
  • the lower trigger surface 314 separates the second trigger terminal 342 so that the second switch 34 is in the second state.
  • the second switch 34 is in the normally open state.
  • the upper trigger surface 312 is separated from the first trigger terminal 322, so that the first switch 32 is in the third state.
  • the first switch 32 is in the normally open state, that is, In other words, the first switch 32 changes from the original closed state to the normally open state, which can trigger certain actions of the household appliance, such as triggering the stop of ignition of the gas appliance.
  • the lower trigger surface 314 can have two different states, that is, the lower trigger surface 314 can continue to be separated from the second trigger terminal 342, so that the second switch 34 is in the second state, which can correspond to the plug valve 100
  • the valve opening state that is, the state after the plug valve 100 is ignited and the valve stem 30 is rotated
  • the lower trigger surface 314 can abut the second trigger terminal 342, and the second switch 34 is in the fourth state (that is, the plug valve 100 is in the fourth state). Position before ignition).
  • the plug valve 100 can be expanded with more functions. For example, by recognizing the valve state of the plug valve 100, it can be used with gas appliances to remind the valve state or increase the linkage function of the smoke stove when the timing ends, etc., which is not specifically limited here.
  • the upper trigger surface 312 is a flat surface
  • the lower trigger surface 314 is a flat surface. In this way, the setting of the plane can make the processing of the upper trigger surface 312 and the lower trigger surface 314 more convenient and simple.
  • the upper trigger surface 312 and the lower trigger surface 314 may be flat surfaces.
  • the action of the plug valve 100 and the recognition of the valve state can be realized by the contact state between the upper trigger surface 312 and the first trigger terminal 322, and the lower trigger surface 314 and the second trigger terminal 342, respectively.
  • the processing of the axially spaced trigger surfaces 31 of the valve stem 30 will be more convenient and simple.
  • the planar The settings are more convenient for users to maintain and greatly improve the user's goodwill.
  • the upper trigger surface 312 may be a flat surface or the lower trigger surface 314 may be a flat surface, which is not specifically limited herein.
  • the bottom of the valve stem 30 is protruded with a clamping block 35, and the bottom of the valve seat 20 is provided with an adjusting surface 21 and a clamping groove 23, and the clamping block 35 is located in the clamping groove 23 to restrict the rotation of the valve stem 30.
  • the locking block 35 escapes from the locking groove 23 to release the rotation restriction of the valve stem 30.
  • the blocking block 35 is located on the regulating surface 21.
  • the blocking block 35 is located on the regulating surface 21, or the blocking block 35 is located in the clamping slot 23.
  • valve stem 30 can be in different motion conditions, so that the plug valve 100 can be configured with different functions.
  • the valve stem 30 penetrates the mounting post 22 of the valve seat 20, and the clamping block 35 at the bottom of the valve stem 30 can be located on the adjusting surface 21 at the bottom of the valve seat 20 or in the clamping groove 23.
  • the adjustment surface 21 may be a smooth flat surface.
  • the clamping block 35 can move on the regulating surface 21 with the rotation of the valve stem 30, and can adjust the flow of fluid, such as regulating gas The size of the amount.
  • the shape of the clamping slot 23 can be designed to match the clamping block 35, and the clamping slot 23 can restrict the rotation of the clamping block 35, thereby preventing the valve stem 30 from rotating.
  • the block 35 when the valve stem 30 is pressed, the block 35 is free from the restriction of the slot 23, so that the valve stem 30 can rotate, and the upper trigger surface 312 of the valve stem 30 can abut the first trigger terminal 322 , The lower trigger surface 314 is disengaged from the second trigger terminal 342.
  • the first switch 32 of the plug valve 100 is in the first state, and the second switch 34 is in the second state; when the valve stem 30 is unpressed, it depends on different Under working conditions, the clamping block 35 can be located on the adjusting surface 21, so that the valve stem 30 can be rotated, so that the upper trigger surface 312 is separated from the first trigger terminal 322.
  • the first switch 32 of the plug valve 100 is in the third state, and
  • the lower trigger surface 314 can remain separated from the second trigger terminal 342, and the second switch 34 is in the second state;
  • the clamping block 35 can also be located in the slot 23 so that the valve stem 30 cannot rotate, and the lower trigger surface 314 can be connected to the second trigger
  • the terminal 342 abuts, and the second switch 34 of the plug valve 100 is switched to the fourth state at this time.
  • the locking block 35 can be used as a positioning pin, and the locking slot 23 can also be used as a child lock slot to prevent safety problems caused by children's misoperation.
  • the height difference L1 between the bottom surface 232 of the card slot 23 and the adjustment surface 21 is smaller than the upper trigger surface 312.
  • the height difference L1 The distance between the first trigger terminal 322 and the height difference L1 between the bottom surface 232 of the slot 23 and the adjustment surface 21 is greater than the distance that the lower trigger surface 314 can move down from the second trigger terminal 342 when the valve stem 30 is pressed.
  • the height difference L1 between the bottom surface 232 of the card slot 23 and the adjustment surface 21 can be used to realize that when the card block 35 is separated from the card slot 23, the upper trigger surface 312 can trigger the first trigger terminal 322 so that the card block 35 is on the adjustment surface.
  • the lower trigger surface 314 can be separated from the second trigger terminal 342.
  • the valve stem 30 when the valve stem 30 is pressed, the block 35 is first detached from the slot 23, and the valve stem 30 is in a rotatable state.
  • the upper trigger surface 312 can trigger the first trigger terminal 322 ,
  • the state of the first switch 32 is changed to realize certain actions of the household appliance, such as ignition action.
  • the valve stem 30 When the valve stem 30 is pressed to the end, the valve stem 30 can be rotated so that the clamping block 35 is located below the regulating surface 21.
  • the valve stem 30 When the valve stem 30 is released from pressing, the valve stem 30 will move upward until the valve stem 30 is locked.
  • the block 35 falls on the regulating surface 21 of the valve seat 20.
  • the upper trigger surface 312 moves down by a height difference L1 between the bottom surface 232 of the slot 23 and the adjustment surface 21, but due to The distance that the upper trigger surface 312 moves down to abut the first trigger terminal 322 is far greater than this height difference L1. The distance between 312 and the first trigger terminal 322 is triggered. Therefore, the first switch 32 is converted from the closed state to the normally open state, and returns to the normally open state again.
  • the lower trigger surface 314 moves down by a height difference L1 between the bottom surface 232 of the slot 23 and the adjustment surface 21, but because the lower trigger surface 314 moves down to be able to escape from the second
  • the distance of the trigger terminal 342 is much smaller than this height difference L1.
  • the distance that the lower trigger surface 314 moves downward at this time is the distance that can make the lower trigger surface 314 separate from the second trigger terminal 342. Therefore, the second switch 34 continues Keep it normally open.
  • the plug valve 100 includes a convex portion 40 provided on the adjusting surface 21, and the convex portion 40 and the groove 23 are used to jointly limit the rotation angle range of the valve stem 30. In this way, the arrangement of the protrusion 40 and the slot 23 makes the angle range of the rotation of the plug valve 100 have a certain limit.
  • the convex portion 40 is provided on the adjusting surface 21 of the valve seat 20, and there is a certain height difference between the convex portion 40 and the adjusting surface 21.
  • the block 35 of the valve stem 30 will fall into the slot 23, thereby restricting the rotation of the valve stem 30;
  • the block 35 of the valve stem 30 will Land on the regulating surface 21, so that the valve stem 30 can rotate; during the rotation of the valve stem 30, that is, when the blocking block 35 moves on the regulating surface 21, due to the convex portion 40 at the regulating surface 21, the The block 35 contacts the convex portion 40 to limit the movement of the blocking block 35, thereby limiting the angular range of the rotation of the valve stem 30.
  • the rotation angle range of the valve stem 30 is a range of 180 degrees.
  • the plug valve 100 includes a valve core 50, a valve core needle 58, a lever 60, and a third switch 70.
  • the valve core 50 and the lever 60 are located in the body 10. Inside, the valve stem 30 can drive the valve core 50 to rotate synchronously, the third switch 70 is connected to the body 10, and the valve core needle 58 is connected to the valve stem 30 and penetrates the valve core 50. When the valve stem 30 is pressed, the valve stem 30 passes through The spool needle 58 drives the lever 60 to rotate to trigger the third switch 70. In this way, the lever 60 is driven by the valve stem 30 to realize the triggering of the third switch 70.
  • the body 10 of the plug valve 100 is provided with a cavity for installing the valve core 50 and the lever 60, and the third switch 70 is connected to the body 10.
  • the third switch 70 may be a solenoid valve.
  • the third switch 70 may include an elastic member 72 and a sealing gasket 74.
  • the elastic member 72 is connected to the sealing gasket 74, and the elastic member 72 can provide a force to the third switch 70 to control the triggering state of the third switch 70.
  • the gasket 74 can be connected to the shift lever 60, and the gasket 74 can be used to seal and open the fluid perforation 110 in the body 10.
  • the plug valve 100 can be used for gas appliances, and the body is equipped with an outlet pipe 120 connected to the burner and an inlet pipe connected to a gas source (not shown), which is opened by the gasket 74 of the third switch 70
  • the fluid perforation 110 allows the gas in the intake pipe to enter the plug valve 100 through the fluid perforation 110, but enters the outlet pipe 120 to be used by the burner.
  • the fluid perforation 110 is sealed by the gasket 74 of the third switch 70, so that the intake pipe The gas is cut off at the fluid perforation 110 and cannot enter the plug valve 100 to stop the gas supply to the combustor.
  • the valve core 50 is provided with a valve core needle 58, which can be connected to the valve stem 30 and pass through the valve core 50.
  • the clamp 35 of the valve stem 30 can be matched with the valve core needle 58, and the valve stem 30 is driving the valve core While the needle 58 rotates synchronously, it drives the spool 50 to rotate synchronously.
  • the shift lever 60 includes a shift member 62, a lever body 63 and a shift lever elbow 64.
  • the shift member 62 and the shift lever elbow 64 can be arranged in the circumferential direction of the lever body 63 and staggered by a certain angle.
  • the position of the dial 62 corresponds to the position of the spool needle 58.
  • the bottom of the spool needle 58 can press the dial 62 to make the dial 60 rotate as a whole, thereby driving the elbow of the dial 64 rotates, when the lever elbow 64 rotates, the third switch 70 can be triggered, for example, the sealing gasket is pushed off.
  • the surface of the shift member 62 facing the spool needle 58 is provided with a shift lever groove 621.
  • the shift lever groove 621 can be used to partially accommodate the bottom of the spool needle 58 to ensure the reliability when the spool needle 58 drives the shift lever 60 to rotate.
  • the valve stem 30 when the valve stem 30 is pressed, the first trigger terminal 322 abuts on the upper trigger surface 312, thereby switching the first switch 32 to the closed state; the second trigger terminal 342 is separated from the lower trigger surface 314, and then The second switch 34 is switched to the normally open state.
  • the valve stem 30 pushes the spool needle 58 to move down vertically, and the spool needle 58 applies a force to the lever groove 621, so that the lever groove 621 drives the lever 60 to rotate as a whole, so that the lever elbow 64 rotates.
  • the lever elbow 64 can push the sealing gasket 74 of the third switch 70.
  • the sealing gasket 74 transmits the force of the lever elbow 64 to the elastic member 72, and the elastic member 72 then provides a force to the third switch 70, thereby triggering the third switch 70.
  • the third switch 70 that is, when the sealing gasket 74 reaches the position where it is attracted by the solenoid valve, the third switch 70 is triggered and the fluid perforation 110 is opened.
  • the plug valve 100 includes a spool needle spring 80, the spool needle spring 80 sleeves the spool needle 58, and the spool needle spring 80 is used to drive the valve stem 30 to move when the valve stem 30 is unpressed. . In this way, under the force of the valve core needle spring 80, the valve stem 30 can be driven to move upward, thereby realizing the change of the action of the plug valve 100.
  • valve core needle spring 80 is sleeved in the circumferential direction of the valve core needle 58, and the valve core needle spring 80 is located at the bottom of the valve stem 30 under the interaction of the valve core needle spring 80 and the valve stem 30 ,
  • the spool needle 58 can move up and down inside the spool 50.
  • the compression force of the valve core needle spring 80 will act on the bottom of the valve stem 30, causing the valve stem 30 to move upward, and the valve stem 30 can drive the valve core needle 58 to move upward.
  • the upper trigger surface 312 is separated from the first trigger terminal 322 of the first switch 32, so that the state of the first switch 32 is switched to the first Three states, that is, return to the original normally open state, or the block 35 of the valve stem 30 falls on the slot 23 of the valve seat 20, at this time, the upper trigger surface 312 is separated from the first trigger terminal 322 of the first switch 32 , The state of the first switch 32 is switched to the third state, that is, the original normally open state is restored. In this way, under the force of the valve core needle spring 80, the valve stem 30 can be driven to move upward, thereby realizing the change of the action of the plug valve 100.
  • the valve core 50 is provided with a first cavity 52, a second cavity 54, and a valve core hole 56 communicating with the first cavity 52 and the second cavity 54.
  • the valve core needle spring 80 is located in the first cavity 52.
  • the plug valve 100 includes a seal 524 located in the first cavity 52.
  • the valve core needle 58 penetrates the first cavity 52, the valve core perforation 56 and the second cavity 54.
  • the valve core needle spring 80 compresses the sealing member 524, and the sealing member 524 seals the gap between the valve core needle 58 and the valve core perforation 56. In this way, the sealing member 524 can tightly seal the gap between the valve core needle 58 and the valve core perforation 56 to prevent the plug valve 100 from leaking gas or liquid.
  • the spool hole 56 can communicate with the first cavity 52 and the second cavity 54, so that the spool needle 58 can extend from the first cavity 52 into the second cavity 54.
  • a valve core needle spring 80 and a sealing element 524 are provided in the first cavity 52.
  • the spool needle spring 80 can compress the seal 524, and the seal 524 can tightly seal the gap between the spool pin 58 and the spool hole 56 to prevent the plug valve 100 from being plugged. Gas or liquid leakage occurs when the valve is opened.
  • the seal 524 is located in the first cavity 52, and the spool needle 58 penetrates the first cavity 52, the spool perforation 56 and the second cavity 54, which can reduce the space usage of the internal components of the plug valve 100 and make the plug valve 100 more compact. .
  • the seal 524 can be made into the form of a sealing ring, so that a 360-degree seal can be formed.
  • the material of the sealing member 524 may be a sealing material such as rubber or silicone.
  • the sealing member 524 may be an O-shaped sealing ring.
  • the plug valve 100 includes a gasket 53 located between the valve core needle spring 80 and the seal 524. In this way, the valve core needle spring 80 can provide a more uniform pressing force.
  • the upper and lower surfaces of the gasket 53 may be flat surfaces, one end of the valve core needle spring 80 abuts against the upper surface of the gasket 53, and the lower surface of the gasket 53 abuts against the sealing member 524, so that the valve core needle spring 80 faces
  • the upper and lower planes of the gasket 53 can provide the pressing force to the sealing element 524 more evenly, so that the sealing element 524 receives substantially the same force everywhere, thereby providing uniform and good sealing performance.
  • the bottom surface of the first cavity 52 is provided with a mounting groove 522, and the sealing member 524 is partially located in the mounting groove 522. In this way, on the one hand, the sealing element 524 can be easily installed, and on the other hand, the sealing performance of the sealing element 524 can be improved.
  • the installation groove 522 is arranged so that the sealing member 524 can seal the gap between the valve core needle 58 and the valve core perforation 56. On the one hand, it can ensure a good sealing effect of the sealing member 524, and on the other hand, The installation and positioning of the sealing element 524 is more stable, so as to avoid the displacement of the sealing element 524 during the installation process, which will cause unnecessary influence on the sealing performance of the plug valve 100.
  • the cross-sectional shape of the mounting groove 522 may be a square. In other embodiments, the cross-sectional shape of the mounting groove 522 may also be an arc or other shapes, etc., which is not specifically limited herein. It should be noted that the size of the installation groove 522 matches the seal 524, that is, the cross-sectional shape of the installation groove 522 can match the cross-sectional shape of the seal 524 for specific design.
  • the seal 524 can tightly seal the gap between the spool needle 58 and the spool perforation 56 to prevent fluid from flowing from the second cavity 54 to the first cavity 52 through the gap between the spool needle 58 and the spool perforation 56, or It flows from the first cavity 52 to the second cavity 54 through the gap between the valve core needle 58 and the valve core perforation 56.
  • the inner wall 542 of the second cavity 54 is provided with a fluid through hole 5422.
  • the body 10 is provided with a fluid channel 12.
  • the valve stem 30 drives the valve core 50 to rotate, the fluid channel 12 can communicate with the fluid through hole 5422 or be blocked. In this way, through the communication area of the fluid through hole 5422 and the fluid channel 12, the control of the fluid flow rate is achieved.
  • the fluid channel 12 in the body 10 can be used for fluid transmission, such as gas transmission.
  • the fluid through hole 5422 opened in the inner wall 542 of the second cavity 54 is matched with the valve core 50 and passes through the fluid through hole 5422.
  • the communication area with the fluid channel 12 realizes the control of the fluid flow. For example, when the communication area between the fluid through hole 5422 and the outlet of the fluid channel 12 is zero, the fluid is blocked and the cock 100 is in the closed state. Unable to pass the stopcock 100.
  • the first trigger terminal 322 includes a first inclined surface 3222 that faces the upper trigger surface 312 and is inclined away from the axial direction C of the valve stem 30, and the second trigger terminal 342 includes The lower trigger surface 314 is a second inclined surface 3422 that is inclined away from the axial C direction of the valve stem 30.
  • the trigger terminal and the trigger surface 31 can be quickly contacted, so that the action and state recognition of the plug valve 100 is more sensitive and reliable, and there is no need to process the shape of the trigger terminal again, which improves production efficiency.
  • the trigger terminals are flat surfaces with a certain inclination angle on both sides.
  • the trigger terminal with a slope can effectively and accurately trigger the trigger surface without reprocessing the shape of the trigger terminal, saving the production cost of the plug valve 100 and increasing the production of the plug valve 100 efficient.
  • the upper trigger surface 312 pushes the first inclined surface 3222 of the first trigger terminal 322.
  • the upper trigger The surface 312 can quickly contact the first trigger terminal 322, and then sensitively trigger the first switch 32; similarly, the lower trigger surface 314 pushes against the second inclined surface 3422 of the second trigger terminal 342, because the second inclined surface 3422 has a certain inclination In terms of angle, compared to a plane, the lower trigger surface 314 can contact the second trigger terminal 342 more quickly, and then the second switch 34 can be triggered sensitively.
  • the plug valve 100 further includes a first fastener 28 and a second fastener 29.
  • the valve seat 20 is provided with a first protrusion 24, a second protrusion 25, a first fixing hole 328 and a second fixing hole 348.
  • the first switch 32 is provided with a first recess and a first mounting hole.
  • the second switch 34 is provided with a second recess and a second mounting hole.
  • the first protrusion 24 is located in the first recess.
  • the first fastener 28 penetrates the first mounting hole and connects to the hole wall of the first fixing hole 328 to fix the first switch 32.
  • the second protrusion 25 is located in the second recess.
  • the second fastener 29 penetrates the second mounting hole and connects to the hole wall of the second fixing hole 348 to fix the second switch 34. In this way, the first switch 32 and the second switch 34 are reliably fixed on the valve seat 20.
  • first fixing hole 328 and the second fixing hole 348 may be fixing holes on opposite sides of the mounting post 22, and the first fastener 28 may be connected to the wall of the first fixing hole 328 to fix the first switch. 32;
  • the second fastener 29 can be connected to the wall of the second fixing hole 348 to fix the second switch 34.
  • the tight connection between the fasteners and the fixing holes can further make the installation of the valve seat 20 more stable and reliable, and prevent the user from scattering some parts of the plug valve 100 during use.
  • the fasteners may be screws, screws, pins, etc., or other fasteners, which are not specifically limited here, and the fixing holes may be screw holes or the like.
  • the upper trigger surface 312 when the plug valve 100 is in the closed state, the upper trigger surface 312 is separated from the first trigger terminal 322, the lower trigger surface 314 is separated from the second trigger terminal 342, and the first switch 32 is in the normally open state.
  • the second switch 34 is in a closed state.
  • the valve stem 30 When the valve stem 30 is pressed to the bottom and rotated to the maximum flow angle, the upper trigger surface 312 of the valve stem 30 pushes against the first trigger terminal 322 of the first switch 32, so that the first switch 32 changes from a normally open state to a closed state. State; the lower trigger surface 314 of the valve stem 30 is separated from the second trigger terminal 342 of the second switch 34, so that the second switch 34 changes from a closed state to a normally open state.
  • valve stem 30 When the valve stem 30 is released (the pressing is withdrawn), the valve stem 30 moves upward under the force of the valve core needle spring 80 and falls on the adjusting surface 21 at the bottom of the valve seat 20. At this time, the upper trigger surface 332 of the valve stem 30 The first trigger terminal 322 of the first switch 32 is far away, so that the first switch 32 returns to the normally open state; the lower trigger surface 314 of the valve stem 30 also remains separated from the second trigger terminal 342 of the second switch 34, and the second switch 34 Continue to maintain the normally open state, and in the process of adjusting the fluid flow of the plug valve 100, keep the normally open state until the plug valve 100 returns to the closed state, the block 35 of the valve stem 30 falls into the slot 23, and the valve stem 30 moves up by a certain distance, so that the lower trigger surface 314 also moves up by a certain distance, and leaves the second trigger terminal 342 of the second switch 34. At this time, the state of the second switch 34 is restored to the closed state.
  • a household appliance provided by an embodiment of the present invention includes the plug valve 100 of any of the above embodiments.
  • valve stem 30 is formed with a single trigger groove 31.
  • the corresponding trigger structure can simplify the processing requirements for the valve stem 30, and the production efficiency is higher and more reliable.
  • household appliances include, but are not limited to, gas appliances (such as gas stoves and gas water heaters), washing machines, dishwashers, water dispensers, water purifiers, and other household appliances that require flow control.
  • gas appliances such as gas stoves and gas water heaters
  • washing machines such as gas stoves and gas water heaters
  • water dispensers such as water s
  • water purifiers such as water senors
  • other household appliances that require flow control.
  • the household appliance can identify the different working states of the plug valve 100 through the combination of the different states of the first switch 32 and the second switch 34.
  • the valve state of the stopcock 100 it can be used with a gas stove to remind the valve state at the end of the timing or to increase the smoke stove linkage function.

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  • 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)
  • Preventing Unauthorised Actuation Of Valves (AREA)

Abstract

一种旋塞阀(100)和家用电器。旋塞阀(100)包括本体(10)；安装在本体(10)上的阀座(20)，阀座(20)设有中空的安装柱(22)，安装柱(22)的周向侧壁开设有第一空间(222)和第二空间(225)；阀杆(30)设在阀座(20)并穿设安装柱(22)，阀杆(30)的外周面设有单个触发槽(31)，触发槽(31)包括上触发面(312)和下触发面(314)；安装在阀座(20)的第一开关(32)和第二开关(34)，第一开关(32)包括第一触发端子(322)，第二开关(35)包括第二触发端子(342)，第一触发端子(322)穿设第一空间(222)，第二触发端子(352)穿设第二空间(224)。

Description

旋塞阀和家用电器
优先权信息
本申请请求2020年4月10日向中国国家知识产权局提交的、专利申请号为202010280561.7的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本发明涉及家用电器技术领域，尤其涉及一种旋塞阀和家用电器。
背景技术
在日常燃气灶具中，燃气旋塞阀是用于手动调节和控制燃气通断以及调节燃气大小的阀。目前，燃气旋塞阀设置有用于给旋塞阀点火的微动开关，然而，燃气旋塞阀在点火后，就没有输出电信号了，这样导致燃气灶具并不能识别此时旋塞阀是处于开阀状态还是在闭阀状态，不利于功能扩展。对于此，在相关技术中，旋塞阀设有两个开关，相应地燃气旋塞阀的阀杆分别设有触发两个开关的触发结构，这些触发结构通常是要分别加工来形成这样对阀杆的加工要求大大提高，容易导致燃气旋塞阀工艺复杂，生产效率低。
发明内容
本发明实施方式提供一种旋塞阀和家用电器。
本发明实施方式提供的一种旋塞阀，包括：
本体；
安装在所述本体上的阀座，所述阀座设有中空的安装柱，所述安装柱的周向侧壁开设有第一空间和第二空间；
阀杆，设在所述阀座并穿设所述安装柱，所述阀杆的外周面设有单个触发槽，所述触发槽包括上触发面和下触发面；安装在所述阀座的第一开关和第二开关，所述第一开关包括第一触发端子，所述第二开关包括第二触发端子，所述第一触发端子穿设所述第一空间，所述第二触发端子穿设所述第二空间，所述旋塞阀被配置为在所述阀杆被按压的情况下，所述上触发面触发所述第一触发端子以使所述第一开关处于第一状态，所述下触发面触发所述第二触发端子以使所述第二开关处于第二状态，在所述阀杆撤消按压的情况下，所述上触发面触发所述第一触发端子以使所述第一开关处于第三状态，所述下触发面以使所述第二开关保持所述第二状态或所述下触发面触发所述第二触发端子以使所述第二开关处于第四状态。
上述旋塞阀，通过设置两个开关，可以利用两个开关的不同状态进行组合而扩展出更多的功能应用，从而可满足更多需求，而且，通过阀杆设有单个触发槽来形成相应触发结构，可以简化对阀杆的加工要求，生产效率更高更可靠。
在某些实施方式中，所述上触发面为平面，和/或，所述下触发面为平面。
在某些实施方式中，所述第一空间与所述第二空间在预设方向上部分相对而设，所述预设方向包括竖直方向。
在某些实施方式中，所述第一空间和所述第二空间包括通孔。
在某些实施方式中，所述第一开关在常态下处于常开状态，所述第二开关在常态下处于闭合状态。
在某些实施方式中，所述阀杆的底部凸设有卡块，所述阀座的底部设有调节面和卡槽，所述卡块位于所述卡槽中以限制所述阀杆旋转，
在所述阀杆被按压的情况下，所述卡块脱离所述卡槽以解除所述阀杆的旋转限制，
在所述阀杆旋转的情况下，所述卡块位于所述调节面，
在所述阀杆撤消按压的情况下，所述卡块位于所述调节面，或所述卡块位于所述卡槽中。
在某些实施方式中，所述卡槽底面与所述调节面的高度差小于所述上触发面在所述阀杆被按压的情况下下移到能抵接所述第一触发端子的距离；
所述卡槽底面与所述调节面的高度差大于所述下触发面在所述阀杆被按压的情况下下移到能脱离所述第二触发端子的距离。
在某些实施方式中，所述旋塞阀包括凸部，所述凸部设在所述调节面，所述凸部与所述卡槽用于共同限制所述阀杆的旋转角度范围。
在某些实施方式中，所述旋塞阀包括阀芯、阀芯针、拨杆和第三开关，所述阀芯和所述拨杆位于所述本体内，所述阀杆能够带动所述阀芯同步旋转，所述第三开关连接所述本体，所述阀芯针连接所述阀杆并穿设所述阀芯，在所述阀杆被按压的情况下，所述阀杆通过所述阀芯针带动所述拨杆旋转以触发所述第三开关。
在某些实施方式中，所述旋塞阀包括阀芯针簧，所述阀芯针簧套设所述阀芯针，所述阀芯针簧用于在所述阀杆撤消按压的情况下驱动所述阀杆移动。
在某些实施方式中，所述阀芯设有第一腔、第二腔和连通所述第一腔和所述第二腔的阀芯穿孔，所述阀芯针簧位于所述第一腔，所述旋塞阀包括位于所述第一腔的密封件，所述阀芯针穿设所述第一腔、所述阀芯穿孔和所述第二腔，所述阀芯针簧压紧所述密封件，所述密封件密封所述阀芯针与所述阀芯穿孔之间的间隙。
在某些实施方式中，所述旋塞阀包括垫片，所述垫片位于所述阀芯针簧与所述密封件之间。
在某些实施方式中，所述第一腔的底面开设有安装槽，所述密封件至少部分地位于所述安装槽。在某些实施方式中，所述第一触发端子包括朝向所述上触发面并沿远离所述阀杆轴向方向倾斜的第一斜面，所述第二触发端子包括朝向所述下触发面并沿远离所述阀杆轴向方向倾斜的第二斜面。在某些实施方式中，所述旋塞阀还包括第一紧固件和第二紧固件；所述阀座上设有第一凸起、第二凸起、第一固定孔和第二固定孔，所述第一开关设有第一凹陷和第一安装孔，所述第二开关设有第二凹陷和第二安装孔，所述第一凸起位于所述第一凹陷内，所述第一紧固件穿设所述第一安装孔并连接所述第一固定孔的孔壁以固定所述第一开关，所述第二凸起位于所述第二凹陷，所述第二紧固件穿设所述第二安装孔并连接所述第二固定孔的孔壁以固定所述第二开关。
本发明实施方式提供的家用电器，包括上述任一实施方式的旋塞阀。
在某些实施方式中，所述家用电器包括燃气用具。
上述家用电器，通过设置两个开关，可以利用两个开关的不同状态进行组合而扩展出更多的功能应用，从而可满足更多需求，而且，通过阀杆设有单个触发槽来形成相应触发结构，可以简化对阀杆的加工要求，生产效率更高更可靠。
本发明的实施方式的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实施方式的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本发明实施方式的旋塞阀的俯视图；
图2是图1中的旋塞阀沿A-A向的剖面图；
图3是图2的I部分放大图；
图4是本发明实施方式的阀座的结构示意图；
图5是本发明实施方式的阀杆的结构示意图；
图6是本发明实施方式的阀座的另一结构示意图；
图7是图1中的旋塞阀沿B-B向的剖面图；
图8是本发明实施方式的拨杆的结构示意图；
图9是本发明实施方式的第一开关的结构示意图；
图10是本发明实施方式的第二开关的结构示意图；
图11是相关技术的阀杆的结构示意图；
图12是相关技术的开关的触发端子的结构示意图。
主要元件符号说明：旋塞阀100、本体10、流体通道12、阀座20、安装柱22、第一空间222、第二空间224、调节面21、卡槽23、底面232、第一凸起24、第二凸起25、第一固定孔26、第二固定孔27、第一紧固件28、第二紧固件29、阀杆30、触发槽31、上触发面312、下触发面314、第一开关32、第一触发端子322、第一斜面3222、第一固定孔328、第二开关34、第二触发端子342、第二斜面3422、第二固定孔348、卡块35、凸部40、阀芯50、第一腔52、安装槽522、密封件524、垫片53、第二腔54、内壁542、流体通孔5422、阀芯穿孔56、阀芯针58、拨杆60、拨件62、拨杆槽621、杆体63、拨杆弯头64、第三开关70、弹性件72、密封垫74、阀芯针簧80、穿孔110、出气管120；
相关技术的主要元件符号说明：阀杆1、第一触发槽101、第一触发面1011、第二触发槽102、第二触发面1022、凸部1023、检测开关3、触发端子300、直角端面301。
具体实施方式
下面详细描述本发明的实施方式，实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、 “上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本说明书中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接。可以是机械连接，也可以是电连接。可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参考图1至图10，本发明实施方式提供的一种旋塞阀100，包括本体10、阀座20、阀杆30、第一开关32和第二开关34。阀座20安装在本体10上，阀座20设有中空的安装柱22，安装柱22的周向侧壁开设有第一空间222和第二空间224(请阅图4)。阀杆30设在阀座20并穿设安装柱22，阀杆30的外周面设有单个触发槽31，触发槽31包括上触发面312和下触发面314(请阅图5)。第一开关32和第二开关34安装在阀座20。第一开关32包括第一触发端子322，第二开关34包括第二触发端子342。第一触发端子322穿设第一空间222，第二触发端子342穿设第二空间224，旋塞阀100被配置为在阀杆30被按压的情况下，上触发面312触发第一触发端子322以使第一开关32处于第一状态，下触发面314触发第二触发端子342以使第二开关34处于第二状态，在阀杆30撤消按压的情况下，上触发面312触发第一触发端子322以使第一开关32处于第三状态，下触发面314以使第二开关34保持第二状态或下触发面314触发第二触发端子342以使第二开关34处于第四状态。
上述旋塞阀100，通过设置两个开关，可以利用两个开关的不同状态进行组合而扩展出更多的功能应用，从而可满足更多需求，而且，通过阀杆30设有单个触发槽31来形成相应触发结构，可以简化对阀杆30的加工要求，生产效率更高更可靠。
相关技术中，旋塞阀大多采用手动调节和控制燃气通断，点火后不能持续输出电信号，而且不能识别此时旋塞阀的阀门状态，这使得用户在使用燃气灶具的情况下，不知道旋塞阀是闭合还是打开，存在一定的安全隐患和操作难度。这样极大地影响了旋塞阀的使用效果，而且旋塞阀的功能单一，不利于功能扩展。
此外，在相关技术中，开关(如微动开关)的触发端子一般都是上下两边是带有一定斜度的斜面。请参考图11和图12，相关技术的阀杆1设有两个触发槽，分别为第一触发槽101和第二触发槽102。第一触发槽101和第二触发槽102分别设有第一触发面1011和第二触发面1022。第一触发面1011用于触发点火开关，第二触发面1022用于触发检测开关3。第一触发面1011为第一触发槽101的顶面，第二触发面1022为第二触发槽102的顶面。第二触发槽102形成的第二触发面1022所在的凸部1023厚度较薄，若使用上下两边都带有斜面的触发端子的检测开关，会导致避免阀杆1下压到底部时，凸部1023会沿下边的斜面移动，使得第二触发面1022所触发的检测开关3的触发端子300分离复位而导致检测开关3的触发失效。然而，增加凸部1023的厚度会使阀杆1的整体长度增加，不利于成体控制。因此，在相关技术中，对检测开关3的触发端子300进行加工，将检测开关3的触发端子300的下端设为直角端面301。直角端面301相连接的两个表面是平面，两表面可形成90度的夹角。通过增加直角端面301与凸部1023的接触距离，从而解决第二触发面1022所触发的检测开关3的触发端子300分离的问题。但这样对于触发端子300的形状以及加工精度的要求较高，使得旋塞阀的生产效率低。
综上，相关技术中，阀杆1设有两个触发槽的旋塞阀，对检测开关3的触发端子300的形状有较高的要求，增加了旋塞阀加工的复杂度，使之大大地降低了旋塞阀的生产效率，并且提高了旋塞阀的生产成本。因此，为方便用户操作，有必要对旋塞阀的结构进行一定的改善。
在本实施方式中，请参考图1、图5和图9，对于单个触发槽31的旋塞阀100，旋塞阀100的触发面分别为触发槽31的上下两个面，相较于相关技术中的两个触发槽而言，单个触发槽31的旋塞阀100所需要的阀杆30的长度较短，这大大地减少了旋塞阀100的生产成本，而且单个触发槽31在阀杆30处的加工较为简单。此外，单个触发槽31的旋塞阀100，对于开关的触发端子的形状无需对其进行加工，就能够满足触发端子可准确地触发触发面，不存在触发端子与触发面发生脱离的情况。这降低了对触发端子的形状的要求，进一步提高了旋塞阀的生产效率。
具体地，请参考图1、图2和图4，旋塞阀100的本体10上开设有阀座20和阀杆30。阀座20设有安装柱22、第一开关32和第二开关34。安装柱22内部为中空，阀杆30可穿设在安装柱22内。安装柱22的周向侧壁开设有第一空间222和第二空间224。在本发明实施方式中，第一空间222与第二空间224在竖直方向部分地相对而设。
第一空间222可为缺口或通孔，第二空间224也可为缺口或通孔，在此不做具体限定。缺口可为安装柱22的周向侧壁从安装柱22的顶部向下缺少一部分柱壁所形成的口，缺口可连通安装柱22的内部。通孔可为在安装柱22的周向侧壁在安装柱22顶部下方的部位开设的贯穿孔，通孔可连通安装柱22的内部。通孔的形状可为圆形，还可为椭圆形或矩形或其他形状，在此不做具体限定。在图4的实施方式中，第一空间222为缺口，第二空间224为通孔。如此，相对于开设两个通孔，第一空间222不需要穿过导套的窗口，工序较为简单。
在本发明实施方式中，阀杆30的外周面设有单个触发槽31，触发槽31包括上触发面312和下触发面314。上触发面312位于下触发面314上方。单个触发槽31的设置，可简化对阀杆结构的加工，例如，单个触发槽31可利 用切槽来形成，这样只需加工一次即可形成触发槽31。触发槽31可呈环形，即360度开设，也可以是小于360度来开设，但需要配合旋塞阀100的旋转行程来设定。常态下，旋塞阀100处于关闭状态，燃气被截断，上触发面312脱离第一触发端子322(第一触发端子322未被压下)，以使第一开关32处于第三状态(常开状态)，下触发面314抵接第二触发端子342(即第二触发端子342被压下)，以使第二开关34处于第四状态(闭合状态)。在阀杆30被按压的情况下，上触发面312抵接第一触发端子322以触发第一触发端子322，以使第一开关32处于第一状态(闭合状态)，下触发面314脱离第二触发端子342，以使第二开关34处于第二状态(常开状态)。在阀杆30撤消按压的情况下，上触发面312与第一触发端子322分离以触发第一触发端子322，以使第一开关32处于第三状态(常开状态)。此时，下触发面314保持脱离第二触发端子342，以使第二开关34保持第二状态(常开状态)；或下触发面314与第二触发端子342抵接以触发第二触发端子342，以使第二开关34处于第四状态(闭合状态)。
请参考图3，在本实施方式中，第一开关32可为点火微动开关，第二开关34可为检测微动开关。在某些实施方式中，常态下，点火微动开关可为常开状态，检测微动开关可为闭合状态，也就是说，点火微动开关的常开状态表示点火微动开关可无信号输出到家用电器的控制板或输出的信号表示点火微动开关处于常开状态(如低电平信号)，检测微动开关的闭合状态表示检测微动开关有信号(如高电平信号)输出到家用电器的控制板或没信号输出(不同的标定方式可进行预设)。此时，家用电器可识别旋塞阀100的状态为闭阀状态。第一开关32带有第一触发端子322，第二开关34带有第二触发端子342。第一触发端子322穿设第一空间222，第二触发端子342穿设第二空间224。第一开关32可通过在第一触发端子322被触发时输出第一电信号，第二开关34可通过在第二触发端子342被触发时输出第二电信号。在本实施方式中，第一触发端子322可为点火微动开关触发端子，第二触发端子342可为检测微动开关触发端子。
这样的实施方式中，第一开关32的第一状态对应于第一开关32的常开状态，第一开关32的第三状态对应于第一开关32的闭合状态，第二开关34的第二状态对应于第二开关34的闭合状态，第二开关34的第四状态对应于第二开关34的常开状态。那么，在点火微型开关点火完成后，检测微动开关可处于常开状态，检测微动开关的常开状态可对于旋塞阀100的开阀状态，而闭合状态可对应于旋塞阀100的闭阀状态。旋塞阀100处于闭阀状态的情况下，旋塞阀100使得流体无法通过，旋塞阀100处于开阀状态的情况下，旋塞阀100使得流体通过。流体可包括液体和气体。在其它实施方式中，也可采用开关状态与旋塞阀100状态的其它标定方式。
沿着阀杆30的轴向C方向，由上到下，依次设有上触发面312和下触发面314。在旋塞阀100处于闭阀状态的情况下，上触发面312与第一开关32的第一触发端子322分离，此时第一开关32为常开状态，下触发面314与第二开关34的第二触发端子342抵接，此时第二开关34为闭合状态。在旋塞阀100处于开阀状态的情况下，根据不同的工况，上触发面312与第一开关32的第一触发端子322抵接或分离，下触发面314与第二开关34的第二触发端子342抵接或分离。需要说明的是，这里所说的分离可指物理上的分离，也可以指两者是接触的但不足以使得触发面触发触发端子而使开关改变状态。这里所说的抵接是指触发面与触发端子的直接抵触而可使得开关的状态改变和保持，直接抵触时，触发面与触发端子之间并没有其它结构件。
常态下，第一开关32处于第三状态，第二开关34处于第四状态。在本发明实施方式中，常态下，第一开关32可处于常开状态，第二开关34可处于闭合状态。
在阀杆30被按压(用户可通过安装在阀杆34顶部的操作键(图未示)下向按压阀杆34)的情况下，上触发面312可抵接第一触发端子322，使得第一开关32处于第一状态，在本发明实施方式是使第一开关32处于闭合状态，可以触发家用电器的某些动作，例如触发燃气用具的点火。
此时，下触发面314分离第二触发端子342，使得第二开关34处于第二状态，在本发明实施方式是使第二开关34处于常开状态。在阀杆30撤消按压的情况下，上触发面312与第一触发端子322分离，使得第一开关32处于第三状态，在本发明实施方式是使第一开关32处于常开状态，也就是说，第一开关32由原先的闭合状态转变为常开状态，可以触发家用电器的某些动作，例如触发燃气用具的停止点火。
根据不同的工况，下触发面314可有两种不同的状态，即下触发面314可继续保持与第二触发端子342分离，使得第二开关34处于第二状态，可以对应旋塞阀100的开阀状态(即旋塞阀100点火后且阀杆30被旋转后的状态)；或者下触发面314可与第二触发端子342抵接则第二开关34处于第四状态(即旋塞阀100在点火前的位置)。
如此，通过两个开关的不同状态的结合，可以使得旋塞阀100扩展更多的功能。例如，通过对旋塞阀100的阀门状态的识别，可搭配燃气用具定时结束时提醒阀门状态或增加烟灶联动功能等，在此不作具体限定。
在某些实施方式中，上触发面312为平面，和/或，下触发面314为平面。如此，平面的设置可使得上触发面312和下触发面314的加工更加方便简单。
具体地，请参考图2、图3和图5，在本实施方式中，上触发面312和下触发面314可为平面。旋塞阀100的动作和阀门状态的识别，可分别由上触发面312与第一触发端子322、下触发面314与第二触发端子342之间的接触状态来实现的。当上触发面312和下触发面314均为平面的情况下，对于阀杆30的轴向间隔的触发面31的加工将更加方便简单，而且，对于触发面31的日常清洁和维修，平面的设置更方便用户进行维护，大大地提高用户的使用好感。在其他实施方式中，上触发面312可为平面或下触发面314可为平面，在此不做具体限定。
在某些实施方式中，阀杆30的底部凸设有卡块35，阀座20的底部设有调节面21和卡槽23，卡块35位于卡槽23中以限制阀杆30旋转。在阀杆30被按压的情况下，卡块35脱离卡槽23以解除阀杆30的旋转限制。在阀杆30旋转的情况下，卡块35位于调节面21。在阀杆30被撤消按压的情况下，卡块35位于调节面21，或卡块35位于卡槽23中。
如此，通过卡块35的不同状态，可使得阀杆30处于不同的运动情况，进而使得旋塞阀100可配置不同功能。
具体地，请参考图3和图4，阀杆30穿设阀座20的安装柱22，位于阀杆30底部的卡块35可位于阀座20底部的调节面21上或卡槽23内。调节面21可为光滑平面。在卡块35位于调节面21的情况下，由于调节面21为光滑平面，卡块35可随阀杆30的旋转而在调节面21上进行移动，可以对流体的流量进行调节，例如调节燃气量的大小。在卡块35位于卡槽23的情况下，卡槽23的形状可匹配卡块35进行设计，卡槽23可限制卡块35的转动，进而使得阀杆30无法旋转。
在一个例子中，在阀杆30被按压的情况下，卡块35脱离卡槽23的限制，使得阀杆30能够进行旋转，同时阀 杆30的上触发面312能够抵接第一触发端子322，下触发面314与第二触发端子342脱离，此时旋塞阀100的第一开关32处于第一状态，第二开关34处于第二状态；在阀杆30撤消按压的情况下，根据不同的工况，卡块35可位于调节面21上，使得阀杆30可进行旋转，从而上触发面312与第一触发端子322分离，此时旋塞阀100的第一开关32处于第三状态，而下触发面314可保持脱离第二触发端子342，第二开关34处于第二状态；卡块35也可位于卡槽23中，使得阀杆30不能旋转，而下触发面314可与第二触发端子342抵接，此时旋塞阀100的第二开关34切换为第四状态。
在某些实施方式中，卡块35可以作为定位卡销，卡槽23也以作为童锁槽以防止儿童误操作而引起的安全问题。
在某些实施方式中，请参考图2、图3和图6，卡槽23底面232与调节面21的高度差L1小于上触发面312在阀杆30被按压的情况下下移到能抵接第一触发端子322的距离；卡槽23底面232与调节面21的高度差L1大于下触发面314在阀杆30被按压的情况下下移到能脱离第二触发端子342的距离。如此，利用卡槽23底面232与调节面21的高度差L1，可实现卡块35脱离卡槽23时，上触发面312可对第一触发端子322进行触发，而使卡块35在调节面21时，下触发面314能够脱离第二触发端子342。
具体地，在阀杆30被按压的情况下，卡块35先从卡槽23脱离，阀杆30处于可以旋转的状态，继续按压到底的情况下，上触发面312可触发第一触发端子322，使第一开关32的状态改变，实现家用电器的某些动作，如点火动作。在阀杆30按压到底的情况下，可旋转阀杆30，使卡块35位于调节面21的下方，在阀杆30撤销按压的情况下，阀杆30将向上移动，直到阀杆30的卡块35落上阀座20的调节面21。在阀杆30向上移动的过程中，上触发面312虽相对于旋塞阀100关闭状态的情况下，上触发面312下移了一个卡槽23底面232与调节面21的高度差L1，但由于上触发面312下移到能抵接第一触发端子322的距离远远大于这个高度差L1，换句话说，此时上触发面312下移的距离，远远达不到能使得上触发面312与第一触发端子322触发的距离，因此，第一开关32由闭合状态转换为常开状态，重新恢复为常开状态。
在下触发面314相对于旋塞阀100关闭状态的情况下，下触发面314下移了一个卡槽23底面232与调节面21的高度差L1，但由于下触发面314下移到能脱离第二触发端子342的距离远远小于这个高度差L1，换句话说，此时下触发面314下移的距离，是能够使得下触发面314脱离第二触发端子342的距离，因此，第二开关34继续保持常开状态。
在某些实施方式中，旋塞阀100包括凸部40，凸部40设在调节面21，凸部40与卡槽23用于共同限制阀杆30的旋转角度范围。如此，凸部40和卡槽23的设置使得旋塞阀100旋转的角度范围有一定的限制。
具体地，请参考图6，凸部40设在阀座20的调节面21，凸部40与调节面21有一定的高度差。在旋塞阀100闭阀状态的情况下，阀杆30的卡块35会落入卡槽23内，从而限制阀杆30旋转；旋塞阀100在开阀状态下，阀杆30的卡块35会落在调节面21处，从而阀杆30可进行旋转；在阀杆30旋转的过程中，也就是卡块35在调节面21上移动的过程中，由于调节面21处的凸部40，卡块35接触凸部40而限制卡块35的移动，进而限制阀杆30旋转的角度范围。在某些实施方式中，阀杆30的旋转角度范围为180度范围。
在某些实施方式中，请参考图3、图7和图8，旋塞阀100包括阀芯50、阀芯针58、拨杆60和第三开关70， 阀芯50和拨杆60位于本体10内，阀杆30能够带动阀芯50同步旋转，第三开关70连接本体10，阀芯针58连接阀杆30并穿设阀芯50，在阀杆30被按压的情况下，阀杆30通过阀芯针58带动拨杆60旋转以触发第三开关70。如此，通过阀杆30带动拨杆60，实现第三开关70的触发。
具体地，请参考图3和图7，旋塞阀100的本体10内设有安装阀芯50和拨杆60的容腔，第三开关70连接本体10。在本实施方式中，第三开关70可为电磁阀。第三开关70可包括弹性件72和密封垫74。弹性件72连接密封垫74，弹性件72可给第三开关70提供作用力，进行控制第三开关70的触发状态。密封垫74可与拨杆60连接，密封垫74可用于密封和开放本体10内的流体穿孔110。
在某些实施方式中，旋塞阀100可用于燃气用具，本体上安装有与燃烧器连接的出气管120和连接气源的进气管(图未示)，通过第三开关70的密封垫74开放流体穿孔110，可以让进气管的燃气经流体穿孔110进入旋塞阀100，然而进入出气管120，以供给燃烧器使用，通过第三开关70的密封垫74密封流体穿孔110，可以让进气管的燃气在流体穿孔110截止而无法进入旋塞阀100，以给燃烧器停止供气。
阀芯50的内部设有阀芯针58，阀芯针58可连接阀杆30并穿设阀芯50，阀杆30的卡块35可与阀芯针58配合，阀杆30在带动阀芯针58同步旋转的同时，带动阀芯50同步旋转。请参考图8，另外，拨杆60包括拨件62、杆体63和拨杆弯头64，拨件62和拨杆弯头64可设在杆体63的周向，并错开一定角度。拨件62与阀芯针58的位置对应，在阀芯针58向下移动时，阀芯针58的底部可下压拨件62，以使拨杆60整体转动，进而可带动拨杆弯头64转动，拨杆弯头64转动时可触发第三开关70，例如推开密封垫。进一步地，朝向阀芯针58的拨件62表面设有拨杆槽621，拨杆槽621可用于部分收容阀芯针58的底部，保证阀芯针58驱动拨杆60转动时的可靠性。
在一个例子中，在阀杆30被按压的情况下，第一触发端子322抵接上触发面312，进而使第一开关32切换为闭合状态；第二触发端子342脱离下触发面314，进而使第二开关34切换为常开状态。阀杆30推动阀芯针58垂直下移，进而阀芯针58对拨杆槽621施加一个作用力，从而拨杆槽621带动拨杆60整体转动，使得带动拨杆弯头64旋转，如此，拨杆弯头64可顶开第三开关70的密封垫74。接着，在阀杆30被按压到底的情况下，此时，密封垫74将拨杆弯头64的作用力传递到弹性件72，弹性件72进而向第三开关70提供作用力，从而触发第三开关70，也就是说，密封垫74到达被电磁阀吸合的位置的情况下，实现第三开关70的触发，打开了流体穿孔110。
在某些实施方式中，旋塞阀100包括阀芯针簧80，阀芯针簧80套设阀芯针58，阀芯针簧80用于在阀杆30撤消按压的情况下驱动阀杆30移动。如此，阀芯针簧80的作用力下，可驱动阀杆30向上移动，进而实现旋塞阀100动作的改变。
具体地，请参考图3，阀芯针簧80套设在阀芯针58的周向，阀芯针簧80位于阀杆30的底部，在阀芯针簧80和阀杆30的相互作用下，阀芯针58能在阀芯50内部做上下运动。在一个例子中，当阀杆30撤消按压的情况下，阀芯针簧80的压缩弹力将作用于阀杆30的底部，使得阀杆30向上移动，阀杆30可带动阀芯针58向上移动，直到阀杆30的卡块35落在阀座20的调节面21上，此时，上触发面312与第一开关32的第一触发端子322分离，使得第一开关32的状态切换为第三状态，即恢复到原先的常开状态，或阀杆30的卡块35落在阀座20的卡槽23上，此时，上触发面312与第一开关32的第一触发端子322分离，使得第一开关32的状态切换为第三状态，即恢 复到原先的常开状态。如此，在阀芯针簧80的作用力下，可驱动阀杆30向上移动，进而实现旋塞阀100动作的改变。
在某些实施方式中，请参考图3，阀芯50设有第一腔52、第二腔54和连通第一腔52和第二腔54的阀芯穿孔56。阀芯针簧80位于第一腔52。旋塞阀100包括位于第一腔52的密封件524。阀芯针58穿设第一腔52、阀芯穿孔56和第二腔54。阀芯针簧80压紧密封件524，密封件524密封阀芯针58与阀芯穿孔56之间的间隙。如此，密封件524可将阀芯针58与阀芯穿孔56之间的间隙紧贴密封，以防止旋塞阀100漏气体或液体。
具体地，阀芯穿孔56可连通第一腔52和第二腔54，这样可使得阀芯针58可从第一腔52伸入第二腔54。在本实施方式中，第一腔52内设有阀芯针簧80和密封件524。在阀杆30被按压的情况下，阀芯针簧80可压紧密封件524，进而密封件524可将阀芯针58与阀芯穿孔56之间的间隙紧贴密封，以防止旋塞阀100的开阀状态下出现漏气体或液体。另外，密封件524位于第一腔52，阀芯针58穿设第一腔52、阀芯穿孔56和第二腔54，这样可减少旋塞阀100内部部件的空间使用，使得旋塞阀100更紧凑。
此外，密封件524可制成密封圈的形式，这样可形成360度的密封。密封件524的材料可为橡胶或硅胶等密封材料。在本实施方式中，密封件524可为O型密封圈。
在某些实施方式中，旋塞阀100包括垫片53，垫片53位于阀芯针簧80与密封件524之间。如此，可使得阀芯针簧80向提供更均匀的压紧力。
具体地，垫片53的上下两表面可为平面，阀芯针簧80的一端抵在垫片53的上表面，垫片53的下表面抵在密封件524，这样在阀芯针簧80向密封件524提供压紧力时，通过垫片53的上下两平面能够将压紧力更均匀地提供给密封件524，使得密封件524处处受力基本相同，进而提供均匀良好密封性能。
在某些实施方式中，第一腔52的底面开设有安装槽522，密封件524部分地位于安装槽522。如此，一方面可便于安装密封件524，另一方面可提高密封件524的密封性。
具体地，请参考图3，安装槽522的设置使得密封件524能密封阀芯针58与阀芯穿孔56之间的间隙，一方面能保证密封件524良好的密封效果，另一方面也使得密封件524的安装定位更加稳定，避免安装过程中，密封件524产生移位的情况，进而对旋塞阀100的密封性造成不必要的影响。
在本实施方式中，安装槽522的截面形状可为方形，在其他实施方式中，安装槽522的截面形状还可为弧形或其他形状等，在此不做具体限定。需要说明的是，安装槽522的尺寸与密封件524相匹配，也就是说，安装槽522的截面形状可匹配密封件524的截面形状进行具体的设计。密封件524可紧密地密封阀芯针58与阀芯穿孔56之间的间隙，避免流体从第二腔54经阀芯针58与阀芯穿孔56之间的间隙流入至第一腔52，或从第一腔52经阀芯针58与阀芯穿孔56之间的间隙流入至第二腔54。
在某些实施方式中，第二腔54的内壁542开设有流体通孔5422。本体10设有流体通道12。在阀杆30带动阀芯50旋转的情况下，流体通道12能够与流体通孔5422连通，或隔断。如此，通过流体通孔5422与流体通道12的连通面积，实现对流体流量大小的控制。
具体地，请参考图3，本体10内的流体通道12可用于流体的传输，例如燃气的传输，第二腔54的内壁542 开设的流体通孔5422与阀芯50配合，通过流体通孔5422与流体通道12的连通面积，实现对流体流量大小的控制，例如，在流体通孔5422与流体通道12出口的连通面积为零的情况下，流体被隔断，旋塞阀100处于闭阀状态，流体无法通过旋塞阀100。在流体通孔5422与流体通道12出口的连通面积大于零的情况下，流体可流通，并且通过阀杆30的旋转来调节流体通孔5422与流体通道12出口的接触面积，实现对流体流量的调节。
在某些实施方式中，请参考图9和图10，第一触发端子322包括朝向上触发面312并沿远离阀杆30轴向C方向倾斜的第一斜面3222，第二触发端子342包括朝向下触发面314并沿远离阀杆30轴向C方向倾斜的第二斜面3422。如此，可使得触发端子与触发面31可快速地接触，进而旋塞阀100的动作和状态识别更加灵敏可靠，而且无需对于触发端子的形状再进行加工，提高生产效率。
一般而言，触发端子均为两边带有一定的倾斜角度的平面。对于单个触发槽31来说，带有斜面的触发端子可以有效精准地对触发面进行触发，无需对触发端子的形状再进行加工，节省旋塞阀100的生产成本和调高了旋塞阀100的生产效率。具体地，在阀杆30被按压的情况下，上触发面312抵推第一触发端子322的第一斜面3222，由于第一斜面3222有一定的倾斜角度，相比于平面而言，上触发面312可快速地接触到第一触发端子322，进而灵敏地触发第一开关32；同样，下触发面314抵推第二触发端子342的第二斜面3422，由于第二斜面3422有一定的倾斜角度，相比于平面而言，下触发面314可更快地接触到第二触发端子342，进而灵敏地触发第二开关34。
在某些实施方式中，请参考图4，旋塞阀100还包括第一紧固件28和第二紧固件29。阀座20上设有第一凸起24、第二凸起25、第一固定孔328和第二固定孔348。第一开关32设有第一凹陷和第一安装孔。第二开关34设有第二凹陷和第二安装孔。第一凸起24位于第一凹陷内。第一紧固件28穿设第一安装孔并连接第一固定孔328的孔壁以固定第一开关32。第二凸起25位于第二凹陷。第二紧固件29穿设第二安装孔并连接第二固定孔348的孔壁以固定第二开关34。如此，可靠地固定第一开关32和第二开关34在阀座20上。
具体地，第一固定孔328和第二固定孔348可为安装柱22的相对两侧的固定孔，第一紧固件28可连接第一固定孔328的孔壁，以此固定第一开关32；第二紧固件29可连接第二固定孔348的孔壁，以此固定第二开关34。通过紧固件与固定孔的紧密连接，也可进一步使得阀座20的安装更加稳定可靠，避免用户在使用的过程中出现旋塞阀100部分零部件散落的情况。在本实施方式中，紧固件可为螺丝、螺钉、销钉等，或为其他紧固件，在此不做具体限定，固定孔可为螺孔等。
在一个实施方式中，在旋塞阀100处于闭阀状态的情况下，上触发面312与第一触发端子322分离，下触发面314与第二触发端子342分离，第一开关32处于常开状态，第二开关34处于闭合状态。在阀杆30按压到底并且旋转到最大流量角度的过程中，阀杆30的上触发面312抵推第一开关32的第一触发端子322，进而使得第一开关32由常开状态变为闭合状态；阀杆30的下触发面314脱离第二开关34的第二触发端子342，进而使得第二开关34由闭合状态也变为常开状态。松开阀杆30(撤消按压)时，阀杆30在阀芯针簧80的作用力下向上移动，落在阀座20底部的调节面21上，此时，阀杆30的上触发面332远离第一开关32的第一触发端子322，使得第一开关32又恢复到常开状态；阀杆30的下触发面314还保持脱离第二开关34的第二触发端子342，第二开关34继续保持常开状态，并在旋塞阀100调节流体流量的过程中，一直保持常开状态，直到旋塞阀100回到关阀状态，阀杆 30的卡块35落入卡槽23内，阀杆30上移一定距离，使得下触发面314也上移一定距离，脱离抵推第二开关34的第二触发端子342，这时候第二开关34的状态重新恢复为闭合状态。
本发明实施方式提供的一种家用电器，包括上述任一实施方式的旋塞阀100。
上述家用电器，通过设置两个开关，可以利用两个开关的不同状态进行组合而扩展出更多的功能应用，从而可满足更多需求，而且，通过阀杆30设有单个触发槽31来形成相应触发结构，可以简化对阀杆30的加工要求，生产效率更高更可靠。
具体地，家用电器包括但不限于燃气用具(如燃气灶和燃气热水器)、洗衣机、洗碗机、饮水机、净水机等需要流量控制的家用电器。家用电器通过旋塞阀100的控制下，通过第一开关32和第二开关34的不同状态的组合，进而可识别旋塞阀100不同的工作状态。此外，在一个例子中，通过对旋塞阀100的阀门状态的识别，可搭配燃气灶定时结束时提醒阀门状态或增加烟灶联动功能。
在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施方式，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施方式进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (17)

  1. 一种旋塞阀，其特征在于，包括：
    本体；
    安装在所述本体上的阀座，所述阀座设有中空的安装柱，所述安装柱的周向侧壁开设有第一空间和第二空间；
    阀杆，设在所述阀座并穿设所述安装柱，所述阀杆的外周面设有单个触发槽，所述触发槽包括上触发面和下触发面；
    安装在所述阀座的第一开关和第二开关，所述第一开关包括第一触发端子，所述第二开关包括第二触发端子，所述第一触发端子穿设所述第一空间，所述第二触发端子穿设所述第二空间，所述旋塞阀被配置为在所述阀杆被按压的情况下，所述上触发面触发所述第一触发端子以使所述第一开关处于第一状态，所述下触发面触发所述第二触发端子以使所述第二开关处于第二状态，在所述阀杆撤消按压的情况下，所述上触发面触发所述第一触发端子以使所述第一开关处于第三状态，所述下触发面使所述第二开关保持所述第二状态或所述下触发面触发所述第二触发端子以使所述第二开关处于第四状态。
  2. 根据权利要求1所述的旋塞阀，其特征在于，所述上触发面为平面，和/或，所述下触发面为平面。
  3. 根据权利要求1所述的旋塞阀，其特征在于，所述第一空间与所述第二空间在预设方向上部分相对而设，所述预设方向包括竖直方向。
  4. 根据权利要求1所述的旋塞阀，其特征在于，所述第一空间和所述第二空间包括通孔。
  5. 根据权利要求1所述的旋塞阀，其特征在于，所述第一开关在常态下处于常开状态，所述第二开关在常态下处于闭合状态。
  6. 根据权利要求1所述的旋塞阀，其特征在于，所述阀杆的底部凸设有卡块，所述阀座的底部设有调节面和卡槽，所述卡块位于所述卡槽中以限制所述阀杆旋转，
    在所述阀杆被按压的情况下，所述卡块脱离所述卡槽以解除所述阀杆的旋转限制，
    在所述阀杆旋转的情况下，所述卡块位于所述调节面，
    在所述阀杆撤消按压的情况下，所述卡块位于所述调节面，或所述卡块位于所述卡槽中。
  7. 根据权利要求6所述的旋塞阀，其特征在于，所述卡槽底面与所述调节面的高度差小于所述上触发面在所述阀杆被按压的情况下下移到能抵接所述第一触发端子的距离；
    所述卡槽底面与所述调节面的高度差大于所述下触发面在所述阀杆被按压的情况下下移到能脱离所述第二触发端子的距离。
  8. 根据权利要求6所述的旋塞阀，其特征在于，所述旋塞阀包括凸部，所述凸部设在所述调节面，所述凸部与所述卡槽用于共同限制所述阀杆的旋转角度范围。
  9. 根据权利要求1所述的旋塞阀，其特征在于，所述旋塞阀包括阀芯、阀芯针、拨杆和第三开关，所述阀芯和所述拨杆位于所述本体内，所述阀杆能够带动所述阀芯同步旋转，所述第三开关连接所述本体，所述阀芯针连接所述阀杆并穿设所述阀芯，在所述阀杆被按压的情况下，所述阀杆通过所述阀芯针带动所述拨杆旋转以触发所述第三开关。
  10. 根据权利要求9所述的旋塞阀，其特征在于，所述旋塞阀包括阀芯针簧，所述阀芯针簧套设所述阀芯针，所述阀芯针簧用于在所述阀杆撤消按压的情况下驱动所述阀杆移动。
  11. 根据权利要求10所述的旋塞阀，其特征在于，所述阀芯设有第一腔、第二腔和连通所述第一腔和所述第二腔的阀芯穿孔，所述阀芯针簧位于所述第一腔，所述旋塞阀包括位于所述第一腔的密封件，所述阀芯针穿设所述第一腔、所述阀芯穿孔和所述第二腔，所述阀芯针簧压紧所述密封件，所述密封件密封所述阀芯针与所述阀芯穿孔之间的间隙。
  12. 根据权利要求11所述的旋塞阀，其特征在于，所述旋塞阀包括垫片，所述垫片位于所述阀芯针簧与所述密封件之间。
  13. 根据权利要求11所述的旋塞阀，其特征在于，所述第一腔的底面开设有安装槽，所述密封件至少部分地位于所述安装槽。
  14. 根据权利要求1所述的旋塞阀，其特征在于，所述第一触发端子包括朝向所述上触发面并沿远离所述阀杆轴向方向倾斜的第一斜面，所述第二触发端子包括朝向所述下触发面并沿远离所述阀杆轴向方向倾斜的第二斜面。
  15. 根据权利要求1所述的旋塞阀，其特征在于，所述旋塞阀包括第一紧固件和第二紧固件；所述阀座上设有第一凸起、第二凸起、第一固定孔和第二固定孔，所述第一开关设有第一凹陷和第一安装孔，所述第二开关设有第二凹陷和第二安装孔，所述第一凸起位于所述第一凹陷内，所述第一紧固件穿设所述第一安装孔并连接所述第一固定孔的孔壁以固定所述第一开关，所述第二凸起位于所述第二凹陷，所述第二紧固件穿设所述第二安装孔并连接所述第二固定孔的孔壁以固定所述第二开关。
  16. 一种家用电器，其特征在于，包括权利要求1-15任一项所述的旋塞阀。
  17. 根据权利要求16所述的家用电器，其特征在于，所述家用电器包括燃气用具。
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