CN111692408A - Knob and gas stove - Google Patents
Knob and gas stove Download PDFInfo
- Publication number
- CN111692408A CN111692408A CN202010655108.XA CN202010655108A CN111692408A CN 111692408 A CN111692408 A CN 111692408A CN 202010655108 A CN202010655108 A CN 202010655108A CN 111692408 A CN111692408 A CN 111692408A
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- CN
- China
- Prior art keywords
- knob
- hole
- shell
- positioning column
- valve body
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 241000463219 Epitheca Species 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- 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
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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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
- 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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
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- 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)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a knob, comprising: a valve body; a valve stem; the bottom end of the positioning column is connected with the valve body; the bottom shell is linked with the valve rod, and the upper end of the positioning column penetrates through the avoiding through hole and extends into the bottom shell; the rotary encoder is arranged in the bottom shell, the bottom of the rotary encoder is arranged at the top end of the positioning column, and the outer cylinder is rotatably sleeved on the inner ring; and the upper cover is linked with the outer cylinder. The knob integrates the mechanical knob and the electronic knob together, the valve body is controlled through the bottom shell, and the electronic program is set or switched for the circuit control system through the upper cover, so that a user can operate the knob more conveniently. A gas stove comprises a panel, a gas supply pipeline and the knob, wherein the panel is provided with an opening, and a valve body adjusts the gas flow of the gas supply pipeline. The panel of the gas stove is provided with the knob integrated with the functions of the mechanical knob and the electronic knob, so that the gas stove is more convenient to operate. The invention can be applied to knobs.
Description
Technical Field
The invention relates to the field of knobs, in particular to a knob and a gas stove.
Background
The household appliance is often provided with a knob for a user to operate, wherein the knob of the household appliance comprises a mechanical knob and an electronic knob, the mechanical knob is used for controlling functions on a mechanical structure of the household appliance, the electronic knob is used for realizing setting or switching of corresponding electronic programs and functions of the household appliance, for example, the mechanical knob of the gas stove is used for adjusting firepower, and the electronic knob of the gas stove is used for setting a timing flameout function. However, the mechanical knob and the electronic knob are usually separately disposed in the household appliance, so that a plurality of knobs are disposed on a control panel of the household appliance, which results in complicated operation for a user and inconvenience for the user.
Disclosure of Invention
The invention aims to provide a knob and a gas stove, which are used for solving one or more technical problems in the prior art and at least providing a beneficial selection or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
a knob, comprising:
a valve body;
a valve stem provided on the valve body, the valve stem being configured to control opening and closing of the valve body by rotating the valve stem, with a position of the valve stem with respect to the valve body as an upper direction;
the bottom end of the positioning column is connected with the valve body, and the upper end of the positioning column is erected upwards;
the top of the bottom shell is open, the bottom of the bottom shell is connected with the top end of the valve rod, the bottom shell is linked with the valve rod, a position avoiding through hole is formed in the bottom wall of the bottom shell and is an arc-shaped hole, the position avoiding through hole takes the rotating axis of the bottom shell as an arc circle center, the position avoiding through hole takes the distance between the positioning column and the rotating axis of the bottom shell as an arc radius, and the upper end of the positioning column penetrates through the position avoiding through hole and extends into the bottom shell;
the rotary encoder is arranged in the bottom shell, the bottom of the rotary encoder is arranged at the top end of the positioning column, the rotary encoder comprises an outer cylinder and an inner ring, and the outer cylinder is rotatably sleeved on the inner ring;
the display screen is arranged in the inner ring;
the upper cover, upper cover movable cover locates the top of drain pan, the bottom of upper cover with the urceolus is connected, the upper cover with the urceolus linkage, be equipped with printing opacity display area on the roof of upper cover, printing opacity display area set up in the display screen top.
The invention has the beneficial effects that: a valve rod of the valve body is connected with the bottom shell, the bottom shell can be rotated to drive the valve rod to rotate, and the bottom shell is rotated to control the valve body to be opened and closed; the positioning column arranged on the valve body penetrates through the position avoiding through hole of the bottom shell and then is connected with the rotary encoder, and the functions of the rotary encoder and the display screen are not influenced when the bottom shell rotates; the outer cylinder of the rotary encoder is rotatably sleeved on the inner ring, the display screen is arranged in the inner ring, the upper cover of the knob is connected with the outer cylinder, the outer cylinder of the rotary encoder can be driven to rotate by rotating the upper cover, and the output of electronic control signals is realized after the outer cylinder and the inner ring of the rotary encoder rotate relatively; the upper cover is provided with a light-transmitting display area, the display screen is arranged below the light-transmitting display area, and the display screen displays related parameters or states; the knob is integrated with mechanical knob and electron knob together, controls the valve body through the drain pan, carries out the setting or the switching of electron procedure to circuit control system through the upper cover for user's operation knob is more convenient.
As a further improvement of the above technical solution, the bottom case further includes a boss, the boss is disposed on the inner wall of the bottom case, the boss protrudes upward, the top surface of the boss is a plane, the knob further includes a circuit board, the circuit board is disposed at the bottom of the rotary encoder, the bottom surface of the circuit board is disposed on the top surface of the boss, the circuit board is provided with a connecting hole, the connecting hole penetrates through the circuit board from top to bottom, the shape of the connecting hole matches with the shape of the top end of the positioning column, and the top end of the positioning column is inserted into the connecting hole.
The circuit board is arranged in the bottom shell, the rotary encoder is arranged on the top surface of the bottom shell, and the rotary encoder and the display screen can be respectively and electrically connected with the circuit board, so that the electric connection circuit of the knob is more convenient to wire; the circuit board of knob is placed on the boss of drain pan, utilizes boss support circuit board, is equipped with the connecting hole that link up from top to bottom on the circuit board, and the reference column inserts in the connecting hole, utilizes the reference column to hinder the circuit board and rotates, prevents to take circuit board to rotate when the drain pan rotates.
As a further improvement of the above technical solution, the bottom case includes:
the bottom surface of the lower shell is connected with the top end of the valve rod, an annular convex block is arranged on the top surface of the lower shell, the annular convex block protrudes upwards, the avoiding through hole and the boss are both arranged on the lower shell, the top surface of the annular convex block is lower than that of the boss, and the avoiding through hole and the boss are both distributed inside the inner edge of the annular convex block;
the upper shell is of a cylindrical structure which is communicated up and down, the shape defined by the edge of the inner wall at the bottom of the upper shell is matched with the shape defined by the outer side wall of the annular lug, the annular lug is sleeved with the bottom of the upper shell, and the inner side wall at the bottom of the upper shell is in interference fit with the outer side wall of the annular lug.
The bottom shell is formed by combining an upper shell and a lower shell, and the position-avoiding through holes and the bosses are arranged on the lower shell, so that the manufacturing difficulty of the bottom shell is reduced, the production is convenient, and the production efficiency is improved; the epitheca is the tubular structure who link up from top to bottom, is equipped with on the top surface of inferior valve with the inside wall matched with annular lug of epitheca, the outside wall of annular lug and the inside wall interference fit of epitheca for the junction zonulae occludens of epitheca and inferior valve makes epitheca and inferior valve linkage.
As a further improvement of the above technical solution, a concave cavity is provided on the bottom surface of the lower casing, the opening of the concave cavity faces downward, at least one plane is provided on the outer side wall of the top end of the valve rod, the shape defined by the inner side wall of the concave cavity matches with the shape defined by the outer side wall of the top end of the valve rod, and the top end of the valve rod is inserted into the concave cavity.
Be equipped with the cavity on the bottom surface of inferior valve, have at least one plane on the top lateral wall of valve rod, the shape phase-match on the shape that the inside wall of cavity encloses and the top of valve rod, during the top of valve rod inserted the cavity for valve rod and inferior valve linkage, inferior valve and connection structure of valve rod are simple, easily production.
As a further improvement of the above technical solution, the upper case includes an inner flange, the inner flange is disposed on an inner sidewall of the upper case, the inner flange protrudes toward an inside of the upper case, an edge of the circuit board protrudes outside the rotary encoder, and the inner flange is disposed above a top surface of the edge of the circuit board.
Be equipped with the inner flange on the inside wall of epitheca, the inner flange is inwards outstanding, and the edge salient of circuit board is in the outside of rotary encoder's urceolus, and the inner flange sets up in the top surface top at the edge of circuit board, utilizes the inner flange to carry on spacingly to the circuit board, prevents that the upper cover from upwards loosening from the drain pan for the assembly of upper cover and drain pan is compacter.
As a further improvement of the above technical solution, the positioning column includes a blind hole and a through hole, the blind hole extends downward from the top end face of the positioning column, the through hole is disposed on the outer side wall of the lower end of the positioning column, the through hole is communicated with the blind hole, the knob further includes a wire, and the wire extends downward into the blind hole and then penetrates out of the through hole.
The wires of the display screen inside the knob and the rotary encoder extend into the blind holes of the positioning column and then penetrate out of the through holes, the wires are collected in the positioning column, and the wires are protected by the positioning column.
As a further improvement of the above technical scheme, the outer shape of the outer cylinder is cylindrical, a groove is formed in the outer side wall of the outer cylinder, the groove extends in the vertical direction, the groove penetrates through the top end face of the outer cylinder, a cylindrical structure is arranged at the bottom of the upper cover, the cylindrical structure is sleeved on the outer cylinder, a clamping block is arranged on the inner side wall of the cylindrical structure, the clamping block is matched with the groove, and the clamping block is inserted into the groove.
The shape of urceolus is cylindric, and the bottom of upper cover is equipped with the drum structure, and drum structure cover is located on the urceolus for assemble compactly between the drum structure of upper cover and the urceolus, be equipped with the recess that extends along upper and lower direction on the lateral wall of urceolus, be equipped with the fixture block on the inner wall of drum structure, fixture block and groove phase-match, during the fixture block inserts the recess, utilize the mode of joint to make upper cover and urceolus linkage, simple structure, easily production.
The utility model provides a gas stove, includes panel and gas supply line and foretell knob, be equipped with the trompil on the panel, the valve body with the gas supply line all set up in the below of panel, the valve rod with the reference column upwards passes the trompil, the drain pan set up in the top of panel, the valve body is the gas governing valve, the valve body is adjusted the gas flow of gas supply line.
The gas stove comprises a gas stove body, a panel, a bottom shell, a knob, a mechanical knob and an electronic knob, wherein the valve body and the gas supply pipeline are arranged below the panel, the bottom shell is arranged above the panel, and the knob integrated with the mechanical knob and the electronic knob is arranged on the panel of the gas stove, so that the gas stove is more convenient to operate.
As a further improvement of the technical scheme, the gas stove further comprises an electromagnetic valve, and the electromagnetic valve controls the on-off of the gas supply pipeline.
The electromagnetic valve controls the on-off of the gas supply pipeline so that the rotary encoder and the timing flameout module of the gas stove control the electromagnetic valve in an electric control mode.
As a further improvement of the above technical solution, the valve rod is a downward-pressing rotary valve rod, a mounting hole is formed in the top surface of the valve body, the mounting hole extends downward, the bottom end of the positioning column is inserted into the mounting hole, the positioning column can slide up and down along the mounting hole, and the distance between the bottom end of the positioning column and the bottom surface of the mounting hole is greater than or equal to the downward-pressing distance of the valve rod.
The valve rod is the rotatory valve rod of formula of pushing down, rotates the valve rod and needs to push down the valve rod before, and the top of valve body is equipped with the mounting hole, and the reference column slides and sets up in the mounting hole, when promotion drain pan makes the valve rod push down downwards, and the reference column is followed the mounting hole and is slided downwards, avoids the reference column to interfere the drain pan.
Drawings
The invention is further described with reference to the accompanying drawings and examples;
FIG. 1 is an assembly view of one embodiment of a knob provided by the present invention;
FIG. 2 is an isometric view of one embodiment of the knob provided by the present invention;
FIG. 3 is a cross-sectional view of one embodiment of the knob provided by the present invention.
100. The rotary encoder comprises a valve body, 110, a valve rod, 120, a mounting hole, 200, a positioning column, 210, a blind hole, 220, a through hole, 300, a bottom shell, 310, a lower shell, 311, an annular bump, 312, a concave cavity, 320, an upper shell, 321, an inner flange, 330, a position avoiding through hole, 340, a boss, 400, a rotary encoder, 410, an outer barrel, 411, a groove, 420, an inner ring, 500, a display screen, 600, an upper cover, 610, a light-transmitting display area, 620, a cylindrical structure, 621, a clamping block, 700, a circuit board, 710, a connecting hole, 800 and a panel.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, the knob and the gas range of the present invention are made as follows:
the knob comprises a valve body 100, a positioning column 200, a bottom shell 300, a rotary encoder 400, a display screen 500 and an upper cover 600, wherein a valve rod 110 is arranged on the valve body 100, the valve rod 110 is rotatably arranged on the top surface of the valve body 100, the valve rod 110 is rotated to realize the opening and closing of the valve body 100, for example, the valve body 100 is a common flow valve, the bottom end of the valve rod 110 penetrates through the side wall of the valve body 100 to extend into the inner cavity of the valve body 100, a baffle is arranged at the bottom end of the valve rod 110, the baffle is covered at a water inlet of the inner cavity of the valve body 100 and is linked with the valve rod 110, the baffle is rotated to close or open the water inlet of the valve body 100, so that the opening and closing of the valve body 100 are controlled, the rotating angle of; the top surface of the valve body 100 is further provided with a mounting hole 120, the bottom end of the positioning column 200 is mounted in the mounting hole 120, the positioning column 200 is erected upwards, the bottom shell 300 is composed of a lower shell 310 and an upper shell 320, the bottom of the lower shell 310 is provided with a concave cavity 312, the upper portion of the valve rod 110 is a D-shaped shaft, the outer side wall of the valve rod 110 is provided with a plane, the shape of the concave cavity 312 is matched with the shape of the top end of the valve rod 110, the top end of the valve rod 110 is inserted into the concave cavity 312, so that the valve rod 110 can drive the lower shell 310 to rotate, the lower shell 310 is provided with a clearance through hole 330, the clearance through hole 330 vertically penetrates through the bottom wall of the lower shell 310, the clearance through hole 330 is an arc-shaped hole, the clearance through hole 330 takes the rotation axis of the lower shell 310 as an arc center, the clearance through hole 330 takes the distance from the positioning column 200 to, the avoiding through hole 330 and the positioning column 200 move relatively to each other, the top surface of the lower casing 310 is provided with an annular bump 311, the annular bump 311 protrudes upward, the edge of the outer side wall of the annular bump 311 forms a circle, the upper casing 320 is a cylindrical structure which is through up and down, the outer side wall of the annular bump 311 is sleeved with the upper casing 320, and the inner side wall of the upper casing 320 is in interference fit with the annular bump 311.
The rotary encoder 400, the display screen 500, the upper cover 600 and the circuit board 700 are arranged in the bottom case 300, the circuit board 700 is arranged in the upper case 320, the top surface of the lower case 310 is provided with the boss 340, the boss 340 is arranged in the inner circle of the annular bump 311, the top surface of the boss 340 is a plane, the circuit board 700 is placed on the top surface of the boss 340, the top surface of the boss 340 is higher than the top surface of the annular bump 311, the inner side wall of the upper case 320 is provided with an inner flange 321, the inner flange 321 protrudes towards the inside of the upper case 320, the inner flange 321 surrounds the inner side wall of the upper case 320 to form a circular ring, the bottom surface of the inner flange 321 is higher than the top surface of the boss 340, the bottom surface of the inner flange 321 is arranged on the top surface of the edge of the circuit board 700, the inner flange 321 prevents the circuit board 700 from being released upwards, the position of the circuit board 700 corresponding, the top end of the positioning post 200 is inserted into the connection hole 710, when the bottom case 300 rotates along with the valve rod 110, the positioning post 200 prevents the circuit board 700 from rotating along with the bottom case 310, the rotary encoder 400 is installed on the top surface of the circuit board 700, the edge of the circuit board 700 protrudes out of the rotary encoder 400, the rotary encoder 400 is composed of an outer cylinder 410 and an inner ring 420, the outer cylinder 410 is a cylindrical structure, the upper portion of the inner ring 420 is a cylindrical structure matched with the outer cylinder 410, the lower portion of the inner ring 420 is fixedly installed on the circuit board 700, the outer cylinder 410 is rotatably sleeved on the inner ring 420, and when the outer cylinder 410 rotates relative to the inner.
The display screen 500 is arranged in the inner ring 420 of the rotary encoder 400, the display screen 500 displays upwards, the upper cover 600 is arranged at the top of the upper shell 320 in a covering manner, the upper cover 600 is of a disc-shaped structure, the upper cover 600 is arranged in the inner circle of the upper shell 320, a gap is reserved between the outer side wall of the upper cover 600 and the inner side wall of the upper shell 320, the bottom of the upper cover 600 is provided with a cylindrical structure 620, the bottom of the cylindrical structure 620 is open, the cylindrical structure 620 is sleeved on the outer side wall of the outer cylinder 410 of the rotary encoder 400, the outer side wall of the outer cylinder 410 is provided with a groove 411, the groove 411 extends downwards from the top end face of the outer cylinder 410, the inner side wall of the cylindrical structure 620 is provided with a fixture block 621, the position and the shape of the fixture block 621 are matched with the groove 411, when the cylindrical structure 620 is sleeved downwards from the top of the outer cylinder 410, the middle of the upper cover 600 is provided with a light-transmitting display area 610, the display screen 500 is disposed below the light-transmitting display area 610, for example, the upper cover 600 and the light-transmitting display area 610 are integrally formed, the upper cover 600 is made of a plastic material with high light transmittance, and the positions outside the light-transmitting display area 610 are covered with a paint with low light transmittance, so that the light-transmitting display area 610 of the upper cover 600 transmits light, and the rest of the upper cover 600 has low light transmittance; in addition, the upper cover 600 and the light-transmitting display area 610 may also be of a separate structure, the upper cover 600 is made of a material with low light transmittance, a light-transmitting plate is embedded in the hollow middle of the upper cover 600 to form the light-transmitting display area 610, and the light-transmitting plate may be a transparent glass plate, a light-transmitting plastic plate, a light-transmitting acrylic plate, or the like, so that the display screen 500 can display through the light-transmitting display area 610.
A gas stove comprises a panel 800, a gas supply pipeline, an electromagnetic valve and the knob, wherein the gas supply pipeline, the electromagnetic valve and a valve body 100 are all arranged below the panel 800, a bottom shell 300 is arranged above the panel 800, an opening 810 is arranged on the panel 800, a valve rod 110 and a positioning column 200 on the top surface of the valve body 100 upwards penetrate through the opening 810, the top end of the valve rod 110 is connected with the bottom shell 300, the top end of the positioning column 200 is connected with a circuit board 700, the valve body 100 is a gas regulating valve, the valve body 100 is used for regulating the gas flow of the gas supply pipeline, the gas regulating valve of the gas stove is a downward-pressing type rotary valve, the valve rod 110 needs to be pushed downwards and then rotated to realize regulation, the bottom end of the positioning column 200 can slide up and down along a mounting hole 120 of the valve body 100, the distance between the bottom surface of the mounting hole 120 and the bottom end surface of the, the electromagnetic valve is used for controlling the on-off of the gas supply pipeline, the rotary bottom shell 300 can realize the fire regulation of the gas stove, the rotary upper cover 600 can perform the setting or switching of an electronic program on a circuit control system of the gas stove, the display screen 500 can display relevant parameters and states of the gas stove, and the like, in the embodiment, the rotary encoder 400 is electrically connected with the timed flameout function module of the gas stove through the circuit board 700, after the outer barrel 410 of the rotary encoder 400 is rotated, the rotary encoder 400 sends corresponding control pulse signals to the timed flameout function module through the circuit board 700 to realize the time setting of timed flameout, the timed flameout function module is electrically connected with the display screen 500, the timed flameout function module displays parameters such as flameout countdown and the like through the display screen 500, meanwhile, the timed flameout function module is electrically connected with the electromagnetic valve, and the timed, thereby realizing the timing flameout of the gas stove.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (10)
1. A knob, characterized by: the method comprises the following steps:
a valve body (100);
a stem (110) provided on the valve body (100), the stem (110) being configured to control opening and closing of the valve body (100) by rotating the stem (110), the position of the stem (110) with respect to the valve body (100) being an upper direction;
the bottom end of the positioning column (200) is connected with the valve body (100), and the upper end of the positioning column (200) is erected upwards;
the top of the bottom shell (300) is open, the bottom of the bottom shell (300) is connected with the top end of the valve rod (110), the bottom shell (300) is linked with the valve rod (110), a position avoiding through hole (330) is formed in the bottom wall of the bottom shell (300), the position avoiding through hole (330) is an arc-shaped hole, the position avoiding through hole (330) takes the rotating axis of the bottom shell (300) as an arc circle center, the position avoiding through hole (330) takes the distance between the positioning column (200) and the rotating axis of the bottom shell (300) as an arc radius, and the upper end of the positioning column (200) penetrates through the position avoiding through hole (330) and extends into the bottom shell (300);
the rotary encoder (400), the rotary encoder (400) is arranged in the bottom shell (300), the bottom of the rotary encoder (400) is arranged at the top end of the positioning column (200), the rotary encoder (400) comprises an outer cylinder (410) and an inner ring (420), and the outer cylinder (410) is rotatably sleeved on the inner ring (420);
a display screen (500), the display screen (500) disposed within the inner ring (420);
upper cover (600), upper cover (600) movable cover locates the top of drain pan (300), the bottom of upper cover (600) with urceolus (410) are connected, upper cover (600) with urceolus (410) linkage, be equipped with printing opacity display area (610) on the roof of upper cover (600), printing opacity display area (610) set up in display screen (500) top.
2. The knob of claim 1, wherein: bottom shell (300) still include boss (340), boss (340) set up in on the bottom inner wall of bottom shell (300), boss (340) are upwards protruding, the top surface of boss (340) is the plane, the knob still includes circuit board (700), circuit board (700) set up in the bottom of rotary encoder (400), the bottom surface of circuit board (700) place in on the top surface of boss (340), circuit board (700) are equipped with connecting hole (710), connecting hole (710) run through from top to bottom circuit board (700), the shape of connecting hole (710) with the appearance phase-match on the top of reference column (200), the top of reference column (200) is inserted in connecting hole (710).
3. The knob according to claim 2, wherein: the bottom case (300) includes:
the bottom surface of the lower shell (310) is connected with the top end of the valve rod (110), an annular convex block (311) is arranged on the top surface of the lower shell (310), the annular convex block (311) protrudes upwards, the position-avoiding through holes (330) and the bosses (340) are both arranged on the lower shell (310), the top surface of the annular convex block (311) is lower than the top surface of the bosses (340), and the position-avoiding through holes (330) and the bosses (340) are both distributed inside the inner edge of the annular convex block (311);
the upper shell (320) is of a cylindrical structure which is communicated up and down, the shape defined by the edge of the inner wall at the bottom of the upper shell (320) is matched with the shape defined by the outer side wall of the annular convex block (311), the bottom of the upper shell (320) is sleeved on the annular convex block (311), and the inner side wall at the bottom of the upper shell (320) is in interference fit with the outer side wall of the annular convex block (311).
4. The knob of claim 3, wherein: a concave cavity (312) is arranged on the bottom surface of the lower shell (310), the opening of the concave cavity (312) faces downwards, at least one plane is arranged on the outer side wall of the top end of the valve rod (110), the shape defined by the inner side wall of the concave cavity (312) is matched with the shape defined by the outer side wall of the top end of the valve rod (110), and the top end of the valve rod (110) is inserted into the concave cavity (312).
5. The knob of claim 3, wherein: the upper shell (320) comprises an inner flange (321), the inner flange (321) is arranged on the inner side wall of the upper shell (320), the inner flange (321) protrudes towards the inside of the upper shell (320), the edge of the circuit board (700) protrudes out of the rotary encoder (400), and the inner flange (321) is arranged above the top surface of the edge of the circuit board (700).
6. The knob according to claim 2, wherein: the positioning column (200) comprises a blind hole (210) and a through hole (220), the blind hole (210) extends downwards from the top end face of the positioning column (200), the through hole (220) is formed in the outer side wall of the lower end of the positioning column (200), the through hole (220) is communicated with the blind hole (210), the knob further comprises a wire, and the wire extends downwards into the blind hole (210) and then penetrates out of the through hole (220).
7. The knob of claim 1, wherein: the appearance of urceolus (410) is cylindric, be equipped with recess (411) on the lateral wall of urceolus (410), recess (411) extend along upper and lower direction, recess (411) run through the top end face of urceolus (410), the bottom of upper cover (600) is equipped with drum structure (620), drum structure (620) cover is located on urceolus (410), be equipped with fixture block (621) on the inside wall of drum structure (620), fixture block (621) with recess (411) phase-match, fixture block (621) insert in recess (411).
8. A gas stove is characterized in that: including panel (800) and gas supply line and the knob of any one of claims 1 to 7, be equipped with trompil (810) on panel (800), valve body (100) with the gas supply line all set up in the below of panel (800), valve rod (110) with reference column (200) upwards passes trompil (810), drain pan (300) set up in the top of panel (800), valve body (100) are the gas governing valve, valve body (100) are adjusted the gas flow of gas supply line.
9. The gas range of claim 8, wherein: the gas stove also comprises an electromagnetic valve, and the electromagnetic valve controls the on-off of the gas supply pipeline.
10. The gas range of claim 8, wherein: the valve rod (110) is a downward-pressing rotary valve rod, a mounting hole (120) is formed in the top surface of the valve body (100), the mounting hole (120) extends downwards, the bottom end of the positioning column (200) is inserted into the mounting hole (120), the positioning column (200) can slide up and down along the mounting hole (120), and the distance between the bottom end of the positioning column (200) and the bottom surface of the mounting hole (120) is larger than or equal to the downward-pressing distance of the valve rod (110).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655108.XA CN111692408B (en) | 2020-07-09 | 2020-07-09 | Knob and gas stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655108.XA CN111692408B (en) | 2020-07-09 | 2020-07-09 | Knob and gas stove |
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| CN111692408A true CN111692408A (en) | 2020-09-22 |
| CN111692408B CN111692408B (en) | 2024-06-04 |
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| CN202010655108.XA Active CN111692408B (en) | 2020-07-09 | 2020-07-09 | Knob and gas stove |
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| US11649969B2 (en) | 2021-10-15 | 2023-05-16 | Haier Us Appliance Solutions, Inc. | Control systems and methods for cooktop appliances |
| US11852354B2 (en) | 2021-10-15 | 2023-12-26 | Haier Us Appliance Solutions, Inc. | Control systems and methods for cooktop appliances |
| US11906171B2 (en) | 2021-10-15 | 2024-02-20 | Haier Us Appliance Solutions, Inc. | Control systems and methods for cooktop appliances |
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|---|---|
| CN111692408B (en) | 2024-06-04 |
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