CN211044060U

CN211044060U - Electronic knob device with display and gas stove using same

Info

Publication number: CN211044060U
Application number: CN201921663376.5U
Authority: CN
Inventors: 李尚�; 尹天民
Original assignee: Chuzhou Hanlin Intelligent Technology Co ltd
Current assignee: Chuzhou Hanlin Intelligent Technology Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-17
Anticipated expiration: 2029-10-08

Abstract

The utility model relates to an electronic knob device with display and a gas stove using the same, wherein, a penetrating sleeve at the upper part of a mounting bottom shell of the knob device is arranged in a panel hole of a cooking bench, a hollow connector is abutted and fixed with the panel of the cooking bench through a fastener, a PCB circuit board is arranged in the bottom shell, a hollow encoder and a push switch are welded on the PCB circuit board, the push switch is arranged in a hollow part of the hollow encoder, a hollow knob part is connected with a rotatable outer ring of the hollow encoder, the hollow fixing part is sleeved in the hollow part of the hollow knob part, the hollow fixing part is connected with the hollow knob part in a clamping way, the hollow fixing part is fixedly connected with an inner ring of the hollow encoder, the bottom of the hollow fixing part is contacted with a contact of the push switch, a display screen is embedded and arranged in, the display screen is always right opposite to the transparent cover. The device restores the hand feeling and the use habit of the mechanical knob operation, and is convenient and quick to use.

Description

Electronic knob device with display and gas stove using same

Technical Field

The utility model relates to a gas-cooker technical field especially relates to an electronic type knob device of middle built-in display screen of simulation mechanical type knob operation and use its gas-cooker.

Background

The gas cooker is a kitchen utensil heated by direct fire using liquefied petroleum gas (liquefied gas), natural gas and other gas fuels, and is used for cooking food by using thermal power. The existing gas stove comprises a cooking bench, a cooking range, a valve device, an ignition and adjusting knob device and other components, wherein the cooking range is installed on the cooking bench and used for supporting a pot, the valve device is installed on the cooking range and used for conveying gas fuel to the cooking range so as to adjust firepower of the cooking range, and the adjusting knob device is rotatably arranged on the cooking range and connected with the valve device.

With the continuous popularization of intellectualization, the existing mechanical knob can not meet the living needs of people gradually, and various electronic gas cookers appear at present, for example, a touch screen is used for replacing the original knob, and the gas cooker is controlled by touch keys or sliding operation modes and the like so as to realize the intellectualization of the control of the gas cooker. When the electronic touch gas stove is used, a start key is pressed on a touch screen for a certain time and then the gas stove waits for starting, an ignition key is pressed for a long time after the gas stove is started to finish ignition, and then the adjustment of the fire power is realized through an adjustment key or a sliding key. Although the intelligent effect of the gas stove is achieved to a certain extent, due to the fact that operation and use are complicated, the change violates the original operation habit of a user, time and labor are wasted, and due to the fact that the touch screen is arranged below the tempered glass of the gas stove, a certain oil film is generated on the tempered glass panel of the gas stove after long-term use due to accumulated oil smoke, and uncomfortable feeling is generated when fingers of people operate on the touch screen with the oil film.

In addition, in order to facilitate the user to intuitively know the parameters such as firepower size, temperature, cooking time and the like of the cooking range, and enhance the use experience of the user, the conventional gas stove is provided with a display screen on the cooking range, and the display screen is embedded into the cooking range, so that oil stains are easily accumulated on the cooking range in the use process, and the user can feel uncomfortable by touching the screen again when the oil stains exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, compact, with low costs and the good electronic type knob device of taking demonstration of performance and use its gas-cooker with the embedded electronic type knob device to the display screen, when carrying out effective protection to the display screen, also greatly restore feeling and the use custom of mechanical type knob operation, but let the people at different age levels direct operation use. The specification can be read without.

In order to achieve the above object, the present invention adopts the technical solution that an electronic knob device with a display comprises an installation bottom shell, a PCB circuit board, a hollow encoder, a press switch, a hollow knob member, a hollow fixing member, a display screen, and a transparent cover, wherein the upper part of the installation bottom shell is convexly provided with a hollow connector, the hollow connector is sleeved in a panel hole of a cooking bench in a penetrating manner, the hollow connector is fixedly abutted with a panel of the cooking bench through a fastener, a containing cavity is arranged in the installation bottom shell, the PCB circuit board is installed in the containing cavity, the hollow encoder is welded on the PCB circuit board, the upper part of the hollow encoder extends into the hollow connector, the press switch is arranged on the PCB circuit board in the hollow part of the hollow encoder, the lower part of the hollow knob member is fixedly connected with a rotatable outer ring of the hollow encoder after being inserted from the hollow connector, the hollow fixing member, the upper portion of cavity mounting is connected with the upper portion joint of cavity knob spare, the lower part of cavity mounting and the inner circle fixed connection of cavity encoder, the bottom of cavity mounting contacts with the contact of push type switch, the display screen is installed in the display screen mounting groove that is located cavity mounting upper portion, the display screen passes through the wire and connects the PCB circuit board, the top of cavity knob spare is located to the translucent cover to locate the inside of translucent cover with the display screen cover, the display screen is all the time just facing the translucent cover.

As an improvement of the utility model, the hollow encoder comprises a fixed base, a rotatable outer ring and an inner ring, the rotatable outer ring is rotatably arranged on the fixed base, the inner ring is fixedly arranged on the fixed base, and the inner ring is arranged on the inner side of the rotatable outer ring, be equipped with a plurality of spouts and keyhole on the lateral wall of rotatable outer lane, be equipped with a plurality of inboard spouts on the inside wall of inner circle, be equipped with track and the buckle with spout and keyhole looks adaptation on the inside wall of cavity knob spare, cavity knob spare is through track and buckle and rotatable outer lane's spout and keyhole butt joint fixed, cavity knob spare can rotate along with the rotatable outer lane of cavity encoder, be equipped with the track with the inboard spout looks adaptation of inner circle on the lateral wall of cavity mounting, the cavity mounting carries out the joint through the inboard spout of track with the inner circle and fixes.

As an improvement of the utility model, the upper portion protrusion of cavity knob spare extends down has the epitaxial cage, the fastener can be wrapped up to the epitaxial cage, it has the supporting part to extend up to protrude at the top of epitaxial cage, translucent cover and supporting part fixed connection, be equipped with the lower hangers of direction up in the inboard of supporting part, be equipped with the last hangers of direction down in the upper portion outside of cavity mounting, carry out the joint through going up hangers and lower hangers and be connected and make and carry out spacing connection between cavity knob spare and the cavity mounting, cavity mounting and cavity knob spare can slide from top to bottom together.

As an improvement of the utility model, the cross sectional shape of well kenozooecium of cavity knob spare is T shape, the cavity mounting includes cavity support column, display platform and spacing ring, the support column is installed perpendicularly in display platform's bottom, display platform's periphery is located to the spacing ring, go up the hangers and set up perpendicularly in the bottom that is located the spacing ring of display platform periphery, the lower part lateral wall of support column and the fixed joint of inside wall of cavity encoder inner circle, the bottom of support column contacts with the contact of push type switch, the holding tank has been seted up at display platform's middle part, the display screen cover is located in the holding tank, the through wires hole has been seted up at the tank bottom of holding tank and support column middle part, the wire of connecting the display screen passes through.

As an improvement of the utility model, the mode that adopts threaded connection or joint to be connected is fixed between the supporting part of translucent cover and cavity knob spare, and the translucent cover adopts the structure of middle part indent, and the inside wall looks butt of spacing ring and translucent cover for the translucent cover suspends directly over the display screen.

As an improvement of the utility model, the contact protrusion of push type switch sets up in push type switch's top, and the contact passes through spring structure to be installed on push type switch, and spring structure has stronger elasticity, can keep bounce-off state with cavity knob spare, cavity mounting, display screen and translucent cover.

As an improvement of the utility model, the cavity connector stretches out from top of a kitchen range panel hole, is equipped with connecting thread on the extension lateral wall of cavity connector, and fastener threaded connection is on the extension of cavity connector to the lower part of fastener and the top of a kitchen range panel surface looks butt that is located top of a kitchen range panel hole periphery.

As an improvement of the utility model, the height of the fastener is consistent with the height of the extension part of the hollow connector, the height of the extension cover is at least 3/4-4/5 of the height of the fastener, and a buffer or a sealing gasket is arranged between the extension cover and the contact part of the fastener and the hollow connector.

As an improvement of the utility model, the display screen adopts O L ED display screen.

A gas stove comprises the electronic knob device with the display.

Compared with the prior art, the utility model discloses an overall structure design benefit, rational in infrastructure stability, compact in size, easily install use and maintenance, this electronic type knob device passes through the cavity encoder, the push type switch, the PCB circuit board, cavity knob spare, the special structure overall arrangement of cavity mounting and translucent cover, the structure and the operating mode of current gas-cooker mechanical type knob have been simulated completely, press this electronic type knob device and start promptly, press not loose and anticlockwise rotation, can show the temperature number that corresponds the settlement on the display area of knob device, and after rotatory to the temperature number of needs loosen the knob device can, it carries out on sending the corresponding part on the gas-cooker to the data instruction that the user needs promptly, thereby realize the ignition that corresponds, the function of temperature/firepower size regulation. The knob device greatly restores the hand feeling and the use habit of the mechanical knob operation on the premise of not changing the original operation habit of a user, so that people of different ages can directly operate and use the knob device without reading a specification; simultaneously with the display screen embedding setting in knob device, effectively protect the display screen to combine the combination of cavity encoder, push type switch and PCB circuit board to use and really realize controlling the intellectuality of gas-cooker, strengthened user's use greatly and experienced the sense.

Drawings

Fig. 1 is a schematic structural diagram of an electronic knob device with display according to a preferred embodiment of the present invention.

Fig. 2 is a cross-sectional view of an electronic knob device with display according to a preferred embodiment of the present invention.

Fig. 3 is a structural diagram of a hollow encoder with a display electronic knob device according to a preferred embodiment of the present invention.

Fig. 4 is a top view of the electronic knob device with display according to the preferred embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a gas stove using an electronic knob device with display according to a preferred embodiment of the present invention.

In the figure: 1-cooking bench panel, 2-installation bottom shell, 3-hollow connector, 4-hollow encoder, 5-press type switch, 6-hollow knob piece, 7-hollow fixing piece, 8-display screen, 9-transparent cover, 10-fastener, 11-PCB circuit board, 12-contact, 13-fixed base, 14-rotatable outer ring, 15-inner ring, 16-keyhole, 17-sliding groove, 18-inner sliding groove, 19-buckle, 20-locking structure, 21-upper lug, 22-lower lug, 23-lug connecting structure, 24-display area, 25-outer ring and 26-inner ring.

Detailed Description

For the purposes of promoting an understanding and appreciation of the invention, the invention will be further described and illustrated in connection with the accompanying drawings.

As shown in fig. 1-5, an electronic knob device with display according to a preferred embodiment of the present invention comprises a mounting base case 2, a PCB 11, a hollow encoder 4, a push switch 5, a hollow knob member 6, a hollow fixing member 7, a display screen 8, and a transparent cover 9, wherein the hollow connector 3 is protruded from the upper portion of the mounting base case 2, the mounting base case 2 and the hollow connector 3 are integrally formed, the hollow connector 3 is inserted into a hole of a cooking bench, the hollow connector 3 is fixed to the cooking bench panel 1 by a fastening member 10, the fastening member 10 is a nut locking structure, so that the entire knob device is fixedly mounted to the cooking bench, specifically, the hollow connector 3 is extended from the hole of the cooking bench panel 1, a connecting thread is provided on the outer side wall of the extended portion of the hollow connector 3, the fastening member 10 is threadedly connected to the extended portion of the hollow connector 3, and the lower portion of the fastening member 10 abuts against the surface of the cooktop panel 1 located at the periphery of the hole of the cooktop panel 1. The mounting structure is simple and reliable, and is easy to disassemble, assemble and maintain.

In order to improve the compactness, the stability and the reliability and the appearance aesthetic property of the knob device installation structure, the height of the fastener 10 is consistent with the height of the extending part of the hollow connector 3, the fastener 10 is sleeved in the hollow connector 3, the upper end and the lower end of the hollow connector are parallel and level, and the fastener 10 can be abutted against the surface of the cooking bench panel 1, so that the service life of the installation bottom shell 2 is effectively prevented from being influenced by the fact that water stains and oil stains on the cooking bench enter the panel hole.

Be equipped with in installation drain pan 2 and hold the chamber, 11 imbeds of PCB circuit board are installed and are being held in the chamber, hollow encoder 4 welding is on PCB circuit board 11, hollow encoder 4 protrusion in PCB circuit board 11's upper surface, and hollow encoder 4's upper portion can just stretch into the inside of hollow connector 3, further carry out spacing fixed to hollow encoder 4 through hollow connector 3, push switch 5 also welds on PCB circuit board 11, and set up push switch 5 in hollow portion of hollow encoder 4. The lower part of the hollow knob member 6 is fixedly connected with the rotatable outer ring 14 of the hollow encoder 4 after being inserted from the hollow connector 3, so that the rotatable outer ring 14 of the hollow encoder 4 can be driven to rotate together by rotating the hollow knob member 6, and the control signal output of the electronic knob device is realized. The upper portion of the hollow fixing piece 7 is connected with the upper portion of the hollow knob piece 6 in a clamping mode, the hollow fixing piece 7 can slide with the hollow knob piece 6 at a certain distance from top to bottom, the hollow fixing piece 7 is sleeved in the hollow portion of the hollow knob piece 6, the hollow fixing piece 7 is arranged in a positioning hole in the middle of the hollow encoder 4, the lower portion of the hollow fixing piece 7 is fixedly connected with an inner ring 15 of the hollow encoder 4, meanwhile, the bottom of the hollow fixing piece 7 is in contact with a contact 12 of the pressing type switch 5, specifically, the contact 12 of the pressing type switch 5 is arranged at the top of the pressing type switch 5 in a protruding mode, the contact 12 is arranged on the pressing type switch 5 through a spring structure, the spring structure has strong elasticity, and the hollow knob piece 6, the hollow fixing piece 7, the display screen 8 and the transparent cover 9 can be kept in. The bottom of the hollow fixing piece 7 is set to be a semicircular hollow-out part and a semicircular non-hollow-out part, wherein the height of the semicircular hollow-out part is lower than that of the semicircular non-hollow-out part, the semicircular hollow-out part of the hollow fixing piece 7 is further attached to and contacted with the upper surface of the contact 12 of the press type switch 5, and the semicircular non-hollow-out part of the hollow fixing piece 7 is suspended above the press type switch 5, so that the hollow fixing piece 7 can be pressed simultaneously when the hollow knob piece 6 is pressed, and the contact 12 of the press type switch 5 is pressed downwards at the bottom of the hollow fixing piece 7 so as to output an ignition signal of the electronic type knob device. The embedding of display screen 8 is installed in the 8 mounting grooves of display screen that are located cavity mounting 7 upper portion, display screen 8 passes through the wire and connects PCB circuit board 11, the top of cavity knob spare 6 is located to translucent cover 9 lid, and locate the inside of translucent cover 9 with display screen 8 cover, keep apart the protection through translucent cover 9 to the well kenozooecium and the display screen 8 of cavity knob spare 6, avoid display screen 8 and set up the device that the well kenozooecium in cavity knob spare 6 to receive the pollution of greasy dirt in the air and influence performance and life. During the rotation of the hollow knob member 6, the display screen 8 always faces the transparent cover 9 without rotating together with it, which ensures that the display screen 8 has a better data viewing angle.

The hollow knob member 6 and the hollow fixing member 7 in the electronic knob device are both hollow cylinders integrally molded by ABS (ABS is an acronym of Acrylonitrile Butadiene Styrene) material, and have the advantages of compact structure, high strength, good toughness, and good heat resistance and flame retardancy.

Be equipped with power module, temperature control module, ignition module and controller on the PCB circuit board 11, power module, temperature control module, ignition module all is connected with the controller, display screen 8 is connected with the controller, cavity encoder 4 links to each other with temperature control module, through the combined use of cavity encoder 4 and temperature control module, can realize the regulatory function of rotatory knob device in order to adjust the temperature or the firepower size of gas-cooker, push type switch 5 links to each other with ignition module, through the combined use of push type switch 5 and ignition module, can realize pressing the knob device in order to carry out the ignition function of gas-cooker. The power module supplies power for the whole knob device, and during use, the battery can be used for supplying power for the power module, and the low-voltage direct-current power adapter can be used for connecting the whole device into a mains supply to supply power for the power module. The power module, the temperature control module, the ignition module and the controller are all realized by adopting a conventional function control module in the prior art.

Further, as shown in fig. 4, the hollow encoder 4 is a hollow shaft encoder, the encoder includes a fixed base 13, a rotatable outer ring 14, and an inner ring 15, a welding pin is disposed on the fixed base 13, the encoder is welded on the PCB 11 through the welding pin, the rotatable outer ring 14 is rotatably mounted on the fixed base 13, the rotatable outer ring 14 and the welding pin on the fixed base 13 have an electrical connection relationship, the inner ring 15 is fixedly mounted on the fixed base 13, the inner ring 15 and the welding pin on the fixed base 13 are in an insulating relationship, and the inner ring 15 is disposed inside the rotatable outer ring 14. The rated voltage of the encoder is DC 5V, and the rotating life of the rotatable outer ring 14 can reach more than 50000 times.

In order to facilitate the installation and fixation between the hollow knob member 6 and the hollow fixing member 7 and the hollow encoder 4, a plurality of sliding grooves 17 and a plurality of locking holes 16 are arranged on the outer side wall of the rotatable outer ring 14, a plurality of inner side sliding grooves 18 are arranged on the inner side wall of the inner ring 15, correspondingly, a track and a buckle 19 matched with the sliding grooves 17 and the locking holes 16 are arranged on the inner side wall of the hollow knob member 6, the hollow knob member 6 is in butt joint fixation with the sliding grooves 17 and the locking holes 16 of the rotatable outer ring 14 through the track and the buckle 19, a locking structure 20 is formed, and the hollow knob member 6 can rotate along with the rotatable outer ring 14 of the hollow encoder 4. The outer side wall of the hollow fixing piece 7 is provided with a track matched with the inner side sliding groove 18 of the inner ring 15, the hollow fixing piece 7 is clamped and fixed with the inner side sliding groove 18 of the inner ring 15 through the track, and the hollow fixing piece 7 can slide up and down in the inner side sliding groove 18 of the inner ring 15 and cannot rotate.

Furthermore, the upper part of the hollow knob member 6 protrudes downwards to extend an outer extension cover, the outer extension cover can wrap the fastener 10, the outer extension cover can play a role in isolating and protecting the fastener 10, and the outer attractiveness of the knob device can be improved. In addition, the height of the extension cover is at least 3/4-4/5 of the height of the fastener 10, so that most exposed surfaces of the fastener 10 can be covered by the extension cover, and the extension cover can be used for covering the whole fastener 10 when the knob device is used, thereby effectively improving the appearance aesthetic property of the knob device. In addition, to reduce frictional resistance between the outer mantle and the contact portions of the fastener 10 and the hollow connector 3 during rotation of the hollow knob member 6, a cushion or sealing washer is provided between the outer mantle and the contact portions of the fastener 10 and the hollow connector 3.

Furthermore, a supporting part is protruded and upwards extended from the top of the outer extension cover, the transparent cover 9 is fixedly connected with the supporting part, and particularly, the transparent cover 9 and the supporting part of the hollow knob member 6 can be fixed in a threaded connection or clamping connection mode. The transparent cover 9 adopts a structure with the middle part concave inwards, so that the display content of the internal display screen 8 can be conveniently watched, and the finger can be conveniently held. The inner side of the supporting part is provided with a lower hanging lug 22 with an upward direction, the outer side of the upper part of the hollow fixing part 7 is provided with an upper hanging lug 21 with a downward direction, the lower end of the lower hanging lug 22 is flush with the upper end of the upper hanging lug 21, the lower hanging lug 22 and the upper hanging lug 21 are arranged in pairs, the number of the lower hanging lug 22 and the number of the upper hanging lug 21 are at least 2 pairs, the upper hanging lug 21 and the lower hanging lug 22 are connected in a clamping manner to form a hanging lug connecting structure 23, so that the hollow knob part 6 and the hollow fixing part 7 are in limit connection, and the hollow fixing part 7 and the hollow knob part 6 can slide up and down together.

Furthermore, the cross-sectional shape of the hollow part of the hollow knob member 6 is a T-shape, the hollow fixing member 7 includes a hollow supporting column, a display platform and a limiting ring, the supporting column is vertically installed at the bottom of the display platform, the limiting ring is arranged at the periphery of the display platform, the limiting ring is abutted against the inner side wall of the transparent cover 9, a certain supporting effect is provided for the transparent cover 9, and meanwhile, the transparent cover 9 is suspended right above the display screen 8. Go up hangers 21 and set up perpendicularly in the bottom that is located the spacing ring of display platform periphery, the lower part lateral wall of support column and the fixed joint of the inside wall of 4 inner rings 15 of cavity encoder, the bottom of support column sets up to semicircle fretwork shape and semicircle non-fretwork shape two parts. The holding tank has been seted up at display platform's middle part, and 8 covers of display screen are established in the holding tank to seted up the through wires hole at the tank bottom of holding tank and support column middle part, the through wires hole runs through and accesss to semicircle non-fretwork shape part, and the wire of connecting display screen 8 passes through wires hole connection PCB circuit board 11, sends temperature signal through the controller on PCB circuit board 11 and carries out real-time display in to the display screen 8. When the transparent cover 9 is pressed, the transparent cover 9 firstly transmits the pressing force to the hollow knob member 6, then transmits the pressing force to the hollow fixing member 7 through the clamping structure of the upper and lower hanging lugs 22, and finally transmits the pressing force to the contact 12 of the pressing switch 5, so as to realize the purpose of pressing the switch of the knob device.

Furthermore, the display screen 8 is an O L ED display screen, and the O L ED display screen is a display screen made of organic el diodes, and has the advantages of simple structure, self-luminescence without a backlight source, small volume, thin thickness, high contrast, wide viewing angle, fast response speed, wide display temperature range, and the like.

The preferred embodiment of the present invention further shows a gas stove using the electronic knob device with the above structure, as shown in fig. 4, the electronic knob device with the above structure is arranged in pairs in the gas stove. When the electronic knob device is used, the electronic knob device is electrified, when the electronic knob device is ignited, the transparent cover 9 is pressed downwards, the hollow knob piece 6 is pressed downwards by the transparent cover 9, and meanwhile, the hollow fixing piece 7 is driven by the hollow knob piece 6 to do a pressing action so as to press the contact 12 of the pressing type switch 5 downwards, so that an ignition signal is output to an ignition mechanism of a gas stove. After the pressed transparent cover 9 is released, the hollow fixing member 7, the hollow knob member 6 and the transparent cover 9 are bounced upward integrally due to the elastic force of the spring structure at the contact 12 of the press switch 5, so that the upward movement of the whole is restored. When the temperature or the fire power of the gas stove needs to be adjusted, the transparent cover 9 and the hollow knob member 6 can be directly rotated clockwise or anticlockwise, the hollow knob member 6 drives the rotatable outer ring 14 of the hollow encoder 4 to rotate, and meanwhile, the corresponding set temperature number is synchronously displayed on the display screen 8. The hollow knob member 6 can be rotated in any direction no matter in a pressed state or a released state to trigger the hollow encoder 4 signal, and the hollow fixing member 7 only slides up and down without rotating, so that the display content of the display screen 8 is ensured to be directly opposite to the user.

When the electronic knob device with the structure is viewed from top, the knob device comprises a display area 24, an inner ring 26 and an outer ring 25, a transparent cover 9 is arranged above the display area 24 and forms a whole with the outer ring 25, and when the transparent cover 9 at the upper end is pressed, the outer ring 25 is pressed in a linkage manner, and the inner ring 26 is driven to move downwards simultaneously to trigger an ignition signal.

Therefore, the utility model provides an electronic type knob device of area demonstration has simulated the structure and the operating mode of current gas-cooker mechanical type knob completely, simple structure, easily installation and use, convenient operation is swift and long service life. The electronic knob device is pressed to start the gas cooker, the gas cooker is pressed to be not loosened and rotated anticlockwise, correspondingly set temperature numbers are displayed on a display area of the knob device, and the knob device is loosened after the electronic knob device is rotated to the required temperature numbers, so that data instructions required by a user are sent to corresponding components on the gas cooker to be executed, and the corresponding functions of ignition and temperature/firepower adjustment are realized. The knob device greatly restores the hand feeling and the use habit of the mechanical knob operation on the premise of not changing the original operation habit of a user, so that people of different ages can directly operate and use the knob device without reading a specification; simultaneously with the display screen embedding setting in knob device, effectively protect the display screen to combine the combination of cavity encoder, push type switch and PCB circuit board to use and really realize controlling the intellectuality of gas-cooker, strengthened user's use greatly and experienced the sense.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an electronic type knob device that area shows which characterized in that: the device comprises an installation bottom shell, a PCB circuit board, a hollow encoder, a press switch, a hollow knob piece, a hollow fixing piece, a display screen and a transparent cover, wherein the upper part of the installation bottom shell is convexly provided with a hollow connector which penetrates through and is sleeved in a panel hole of a cooking bench, the hollow connector is fixedly abutted with the panel of the cooking bench through a fastener, an accommodating cavity is arranged in the installation bottom shell, the PCB circuit board is arranged in the accommodating cavity, the hollow encoder is welded on the PCB circuit board, the upper part of the hollow encoder extends into the hollow connector, the press switch is arranged on the PCB circuit board positioned in the hollow part of the hollow encoder, the lower part of the hollow knob piece is fixedly connected with a rotatable outer ring of the hollow encoder after being inserted from the hollow connector, the hollow fixing piece is sleeved in the hollow part of the hollow knob piece, and the upper part of, the lower part of cavity mounting and the inner circle fixed connection of cavity encoder, the bottom of cavity mounting contacts with the contact of push type switch, and the display screen is installed in the display screen mounting groove that is located cavity mounting upper portion, and the display screen passes through the wire and connects the PCB circuit board, and the top of cavity knob spare is located to the translucent cover lid to locate the inside of translucent cover with the display screen, the display screen is all the time just facing the translucent cover.

2. The electronic rotary knob device with display of claim 1, wherein the hollow encoder comprises a fixed base, a rotatable outer ring, an inner ring, the rotatable outer ring is rotatably arranged on the fixed base, the inner ring is fixedly arranged on the fixed base, and the inner ring is arranged on the inner side of the rotatable outer ring, be equipped with a plurality of spouts and keyhole on the lateral wall of rotatable outer lane, be equipped with a plurality of inboard spouts on the inside wall of inner circle, be equipped with track and the buckle with spout and keyhole looks adaptation on the inside wall of cavity knob spare, cavity knob spare is through track and buckle and rotatable outer lane's spout and keyhole butt joint fixed, cavity knob spare can rotate along with the rotatable outer lane of cavity encoder, be equipped with the track with the inboard spout looks adaptation of inner circle on the lateral wall of cavity mounting, the cavity mounting carries out the joint through the inboard spout of track with the inner circle and fixes.

3. The electronic knob device with display as claimed in claim 2, wherein the hollow knob member has an upper protrusion extending downward to form an outer covering, the outer covering can cover the fastening member, a top protrusion extending upward to form a supporting portion, the transparent covering is fixedly connected to the supporting portion, a lower hanging lug is disposed inside the supporting portion, the lower hanging lug is disposed outside the upper portion of the hollow fixing member, the upper hanging lug and the lower hanging lug are connected by snap-fitting to limit the connection between the hollow knob member and the hollow fixing member, and the hollow fixing member and the hollow knob member can slide up and down together.

4. The electronic knob device with display of claim 1, wherein the hollow fixing member comprises a hollow supporting column, a display platform and a limiting ring, the supporting column is vertically installed at the bottom of the display platform, the limiting ring is arranged at the periphery of the display platform, the upper hanging lug is vertically arranged at the bottom of the limiting ring at the periphery of the display platform, the lower outer side wall of the supporting column is fixedly clamped with the inner side wall of the inner ring of the hollow encoder, the bottom of the supporting column is in contact with the contact of the press switch, the middle of the display platform is provided with the accommodating groove, the display screen is sleeved in the accommodating groove, the groove bottom of the accommodating groove and the middle of the supporting column are provided with the threading holes, and the lead wire connected with the display.

5. The electronic knob device with display of claim 4, wherein the transparent cover is fixed to the supporting portion of the hollow knob member by a screw connection or a snap connection, the transparent cover has a structure with a concave middle portion, and the limiting ring abuts against the inner side wall of the transparent cover, so that the transparent cover is suspended over the display screen.

6. The electronic rotary knob device with display of claim 1, wherein the contacts of the push switch are protruded from the top of the push switch, and the contacts are mounted on the push switch through a spring structure.

7. The electronic rotary knob device with display of claim 1, wherein the hollow connector is protruded from a hole of the cooktop panel, a connection screw is provided on an outer side wall of the protruded portion of the hollow connector, a fastening member is screw-coupled to the protruded portion of the hollow connector, and a lower portion of the fastening member abuts against a surface of the cooktop panel located at an outer periphery of the hole of the cooktop panel.

8. The electronic rotary knob device with display of claim 7, wherein the height of the fastener is consistent with the height of the protrusion of the hollow connector, and the height of the outer enclosure is at least 3/4-4/5 of the height of the fastener.

9. The electronic rotary knob device with display of claim 1, wherein the display screen is an O L ED display screen.

10. A gas burner comprising an electronic knob device with display according to any one of claims 1 to 9.