CN2479391Y - Gas Cooker with Temperature Sensing Device - Google Patents

Abstract

A gas cooker with a temperature sensing device is mainly characterized in that a furnace end, a switch, a thermocouple and a temperature control switch are arranged in a bottom shell, a cooker is arranged at the top of the bottom shell, the bottom of the cooker is in contact with the temperature control switch, when a knob of the switch is rotated, gas can be controlled to be input into the switch, and is output by a main fire guide pipe and a main fire guide pipe through the control of a shutter to form flame, and when the temperature control switch senses that the furnace end exceeds a set temperature, an electromagnetic valve in the switch can be demagnetized to block the gas, so that the purpose of safe use is achieved.

Description

The gas cooker of tool temperature sensing device

The utility model relates to a kind of gas cooker, relates to particularly that a kind of member is simple, the gas cooker of the tool temperature sensing device of processing ease and fine-tuning firepower.

As Fig. 1, shown in Figure 2, the existing employed gas pot for cooking rice of catering trade, mainly be to be equiped with a burner 2 in a drain pan 1 inside, one igniting device 3, one switch, 4 main members such as grade, the intrinsic pedestal 101 that is inverted U of this drain pan 1 internal lock, this pedestal 101 inner utilization one pin rod 102 is pivoted with insulation the connecting rod 402 and meal connecting rod 403 of cooking a meal that can produce leverage, and this burner 2 is erected at the end face of pedestal 102, this burner 2 is to be provided with a circular hole 202 in a ring body 201 central authorities, and a lateral bending song extends a snorkel 203, this igniter 3 is to drive a spiral arm 302 by an igniting connecting rod 301 to produce swing, and make a hammer 303 of spiral arm 302 bottoms can clash into a piezoelectricity sub-prime 304, and produce sparks to reach the igniting purpose at a discharge end 305, this switch 4 is to be provided with an air inlet pipe 404 in an application valve body 401 inside, one appendix 405, one major fire valve bar 406, one insulation valve rod 407, one main fire valve bar 408, and application valve body 401 outer symmetrical are in major fire valve bar 406, insulation valve rod 407 places are provided with a female fiery conduit 409 that may extend to burner 2 peripheries respectively, one insulation conduit 409 ', and when cutting this igniting connecting rod 301 except hitting spark, more can press major fire valve bar 406 simultaneously and gas transported in female fiery conduit 409 to light female fire and can suppress insulation connecting rod 402 and produce action, this insulation valve rod 407 is subjected to being incubated connecting rod 402 drivings and also gas can be transported in the insulation conduit 409 ', and insulation connecting rod 402 utilizes the elasticity compacting of a shell fragment 402 ' wouldn't remove after to 407 compactings of insulation valve rod, unless will be incubated the operating side of connecting rod 402 with hand upwards cocked, the compacting that could break away from shell fragment 402 ', this main fire valve bar 408 is then cooked a meal 403 controls of meal connecting rod and can be made gas via appendix 405, snorkel 203 and enter burner 2 inside, in addition, one control lever 6 is installed in the circular hole 202 of burner 2, its bottom is provided with a buckle 7 that is inverted L shape symmetrically, this buckle 7 is hubbed on pedestal 101 inside, these buckle 7 bottoms are provided with a button hook 701, this button hook 701 just can collude in good time and be located at meal connecting rod 403 ends of cooking a meal, and a pot for cooking rice that is equiped with expander when bottom center is put and is caused on drain pan 1 (figure does not show), and opening gas boils to pot for cooking rice, when the temperature of expander sensing pot for cooking rice surpasses design temperature, expander can drive control lever 6 and descend, again by drive rod 6 bottom stopper buckles 7, make button hook 701 from cooking a meal 403 terminal disengagings of meal connecting rod, and the press-side of the meal connecting rod 403 of cooking a meal can upwards be takeoff automatically, and finish the meal purpose of cooking a meal, and when desire is used, igniting connecting rod 301 can press major fire valve bar 406 and make female fiery conduit 409 produce flame when pressing down, can press simultaneously and touch insulation valve rod 407 to light the flame of insulation conduit 409 ', when pressing down the press-side of the meal connecting rod 403 of cooking a meal again, then can make terminal buckle in button hook 701 inside.

Though, utilize said structure can reach the purpose of the meal of cooking a meal, insulation, still have following disappearance in the use:

One, main fire valve bar 408 cooked a meal meal connecting rod 403 push away pull after, Device in Gas enters appendix 405 and burner 2 inside immediately, so the main flame on the burner 2 and can't finely tuning and is not suitable for and needs low temperature; Stew for a long time and boil.

Two, the operation of its igniting, the meal of cooking a meal, insulation, igniting connecting rod 301, insulation connecting rod 402 be must push and meal connecting rod 403 ability drive ignition devices 3, major fire valve bar 406, insulation valve rod 407, main flame rod 408 cooked a meal, and these connecting rods are mechanical structure, not only complex structure, manufacturing assembly are not easy, and also damage easily after use a period of time.

Three, expander is the bottom that is installed in pot for cooking rice, so this cooker can only be applicable to this kind pot for cooking rice, can not replace, in the use comparatively inconvenience.

Four, in the operation of using, the user must outward winding an axostylus axostyle 5 of being located at air inlet pipe 404 earlier to open gas, push igniting connecting rod 301 again with interlock insulation connecting rod 402, continue to push the meal connecting rod 403 of cooking a meal again, on the contrary, when cooking is finished, meal connecting rod 403 can separate with the button hook 701 of buckle 7 because of expander drives control lever 6 descends though this is cooked a meal, and rebound automatically, but still must oppositely pull the compacting that insulation connecting rod 402 breaks away from shell fragment 402 ' with hand, just can close the flame of insulation conduit 409 ' end, so in operation, quite bother.

The purpose of this utility model is to provide a kind of knob that rotates can light a fire, control flame size and close the gas cooker of the tool temperature sensing device of stove fire.

The gas cooker of the utility model tool temperature sensing device, be to be equiped with a burner, a switch, a magnetic valve, a thermocouple, a temp control switch in a drain pan inside, and this drain pan inside is provided with an opening space up, and offer two holes that can connect to the outside on its side face, this space opening part is placed with a pan; This burner is installed in this drain pan inside, and this burner inside is provided with a circular hole, and burner one side is extended a snorkel; This switch has a body, one be rotary axis of earth be located at this body a bellmouth inside close son, one along closing that son endwisely slips and axle is located at the axostylus axostyle that this closes the inner axis hole inside of son, one is symmetrical in the bellmouth axis and is installed in the lid of this body side and one and is located at the rotating shaft that this lid portion inside and interlock axostylus axostyle move vertically, the bellmouth perisporium of this body is provided with one first air admission hole that is arranged side by side vertically and radially extends, one second air admission hole, and across bellmouth and a transfer port relative with first air admission hole, this first air admission hole, second air admission hole utilizes an appendix can be through in the hole of drain pan and can connect the gas carrier pipe, this transfer port is borrowed a female light conduit and is connect and causes burner one side, be provided with a room in bellmouth one side, this room one side is extended a main fire-guide pipe, this main fire-guide pipe connects the snorkel end that causes burner, be provided with a valve opening between this bellmouth and the room, be equiped with a magnetic valve in this room, one valve block of this magnetic valve is symmetrical in this valve opening, this close son be make coniform, inside is provided with this axis hole vertically, and this axis hole one end is relative with valve opening, this axis hole inner peripheral surface be provided with one can connect to close sub-outer peripheral face and with first air admission hole, transfer port is relative female fiery guide hole in good time, and one with the in good time relative fiery guide hole of master of second air admission hole, but be nested with the O shape ring that packing is sealed in the axis hole inner peripheral surface on this axostylus axostyle at least, this O shape ring just blocks between female fiery guide hole that closes son and main fiery guide hole, and this rotating shaft one end stretches out in another hole of drain pan, this end is connected with a knob, rotating shaft is a center of rotation towards the body compacting and with the bellmouth axis, axostylus axostyle pushes away the valve block of pulling and breaks away from valve opening, this thermocouple that detects flame is installed in burner one side, involve with electric wire between this thermocouple and the magnetic valve, this temp control switch is installed in the circular hole inside of this burner and contacts with the pan bottom, it is to utilize a bracing frame to support the location, and series connection is arranged on the electric wire between thermocouple and the magnetic valve.

Whereby, when this temp control switch sense when temperature surpasses design temperature, promptly cut off heat and play electric power, and make the magnetic valve loss of excitation and block the gas path, can reach the purpose of safe handling gas oven, also can reach operation knob and can produce the function that opens and closes gas and igniting, and turning knob is the firepower of fine-tuning main flame.

Be elaborated below by most preferred embodiment and accompanying drawing gas cooker to tool temperature sensing device of the present utility model, in the accompanying drawing:

Fig. 1 is the schematic perspective view of existing gas pot for cooking rice;

Fig. 2 is the schematic top plan view of existing gas pot for cooking rice;

Fig. 3 is the vertical view of the utility model first preferred embodiment;

Fig. 4 is the forward sight part sectioned view of the above-mentioned preferred embodiment of the utility model;

Fig. 5 is the switch generalized section of the above-mentioned preferred embodiment of the utility model;

Fig. 6 be the above-mentioned preferred embodiment of the utility model close primary and secondary fire guide hole zero degree schematic diagram;

Fig. 7 is the sub main fiery guide hole zero degree schematic diagram of closing of the above-mentioned preferred embodiment of the utility model;

Fig. 8 is that the primary and secondary fire guide hole 90 that closes of the above-mentioned preferred embodiment of the utility model is spent schematic diagrames;

Fig. 9 is that the main fiery guide hole 90 of son that closes of the above-mentioned preferred embodiment of the utility model is spent schematic diagrames;

Figure 10 is that the primary and secondary fire guide hole 160 that closes of the above-mentioned preferred embodiment of the utility model is spent schematic diagrames;

Figure 11 is that the main fiery guide hole 160 of son that closes of the above-mentioned preferred embodiment of the utility model is spent schematic diagrames;

Figure 12 is the temperature sense circuit diagram of the utility model second preferred embodiment.

For convenience of description, following embodiment, components identical is represented with identical label.

As Fig. 3, Fig. 4, shown in Figure 5, the gas cooker of the utility model first embodiment tool temperature sensing device is to be equiped with a burner 20, a switch 30, a magnetic valve 40, a thermocouple 50, a temp control switch 60 in a drain pan 10 inside.

This drain pan 10 is to make hollow cylindrical and the inner opening space 11 up that is provided with, offer two holes 12,13 that can connect on its side face to the outside, this 11 openings top, space is placed with a pan 70, and be equiped with an outer pot 71 on 11 openings of space, this pan 70 bridges and can obtain to support the location at outer pot 71 apical margins.

This burner 20 is 11 inside, space that are installed in this drain pan 10, and this burner 20 is to be provided with a circular hole 22 in a ring body 21 inside, and ring body 21 1 sides are extended a snorkel 23.

This switch 30 has a body 31, one be the rotatable earth's axis be located at this body 30 a bellmouth 311 inside close son 32, one can son 32 endwisely slips and axle is located at the axostylus axostyle 323 that this closes son 32 a axis hole 321 inside along closing, one is symmetrical in bellmouth 311 axis and is installed in the lid 33 of these body 31 sides and one and is located at the rotating shaft 34 that this lid 33 is inner and but interlock axostylus axostyle 323 moves vertically, bellmouth 311 perisporiums of these body 31 inside are provided with one first air admission hole 312 that is arranged side by side vertically and radially extends, one second air admission hole 313, and across bellmouth 311 and a transfer port 314 relative with first air admission hole 312, this first air admission hole 312, second air admission hole 313 utilizes an appendix 36 can be through in the hole 13 of drain pan 10 and can connect gas carrier pipe (figure does not show), this transfer port 314 can be borrowed a female light conduit 37 and connect ring body 21 1 sides that cause burner 20, be provided with a room 38 in bellmouth 311 1 sides, these room 38 1 sides offer a main fiery gas outlet 382, the fiery gas outlet of this master 382 outboard ends are connected with a main fire-guide pipe 39 that can connect snorkel 23 ends that cause burner 20, be provided with a valve opening 381 between this bellmouth 311 and the room 38, this closes son 32 and makes coniform, inner this axis hole 321 that can establish for 323 of axostylus axostyles and the post hole 322 coaxial of being provided with vertically with axis hole 321, and these axis hole 321 1 ends are relative with valve opening 381, these axis hole 321 inner peripheral surfaces be provided with one can connect to close sub 32 outer peripheral faces and with first air admission hole 312, transfer port 314 in good time relative female fiery guide holes 324, and one with second air admission hole, the 313 in good time relative fiery guide holes 325 of master, but be nested with the O shape ring 326 that packing is sealed in axis hole 321 inner peripheral surfaces on this axostylus axostyle 323, this O shape ring 326 just blocks between female fiery guide hole 324 that closes son 32 and main fiery guide hole 325, the Device in Gas of impelling appendix 36 inputs is by first air admission hole 312 and female fiery guide hole 324, transfer port 314 is relatively the time, but smooth delivery of power is to female fiery conduit 37, relend second air admission hole 313 and main fiery guide hole 325 when relative, but smooth delivery of power is to axis hole 321 1 end inside and valve opening 381, and this rotating shaft 34 is subjected to lid 33 spacing and be positioned at body 31 sides, the other end stretches out in another hole 12 of drain pan 10, and be connected with a knob 35, when rotating shaft 34 is that center of rotation is when rotating towards body 31 compacting and with bellmouth 311 axis, can drive an igniting device 90, and produce spark by a discharge end 91 that extends to female fiery conduit 37 1 sides, burning things which may cause a fire disaster with female fiery conduit 37 that ignites, the axostylus axostyle 323 that closes sub 32 inside is produced move, and produce displacement towards valve opening 381 directions.

This magnetic valve 40 is room 38 inside that are installed in switch 30, its valve rod 41 ends are provided with a valve block 42, this valve block 42 just is symmetrical in this valve opening 381, and magnetic valve 40 can make valve block 42 break away from valve opening 381 when inhaling magnetic, can valve opening 381 be sealed by means of valve block 42 during loss of excitation and block.

This thermocouple 50 is to be installed in ring body 21 1 sides of burner 20 and in order to detect flame, involve with electric wire 51 between this thermocouple 50 and the magnetic valve 40, when thermocouple 50 front ends are subjected to the gas flame heat, produce heat and play electric power, and make magnetic valve 40 produce suction magnetic, can reach the purpose of normal air feed, when flame-out, magnetic valve 40 losss of excitation and block the flow through path of valve opening 381 of gas.

This temp control switch 60 is to be provided with two pins 62 in a housing 61 inside, 63, this two pin 62,63 are connected in series on the electric wire 51 that is arranged between magnetic valve 40 and the thermocouple 50 respectively, this two pin 62,63 medial extremity is an affixed sheet metal 64 respectively, 65, wherein a sheet metal 64 ends extend a reed 641, this reed 641 keeps normal off status with another sheet metal 65, and housing 61 main header casings are provided with a top cover 66, these top cover 66 bottoms are provided with an arc 67, when sense when temperature surpasses above-mentioned design temperature, arc 67 promptly produces distortion, and drive this reed 641 and separate with sheet metal 65, cut off heat immediately and play electric power, and make magnetic valve 40 losss of excitation, this temp control switch 60 is to can be positioned on circular hole 22 tops of this burner 20 by a bracing frame 80 and can contact with pan 70 bottoms in good time, this bracing frame 80 bottoms locking is on drain pan 10, its end face convexes with a pipe 81, these pipe 81 outsides are arranged with a pipe 82 again, and these pipe 82 internal sleeve are provided with a flexible member 83 and a sleeve pipe 84, impel elastic component 83 bottoms to support and end at pipe 81 apical margins, this sleeve pipe 84 is held by the elastic force of this flexible member 83 then, can manage 82 generations with respect to seat and relatively move, and the locking of top cover 66 both sides of this temp control switch 60 is at these sleeve pipe 84 tops.

Fig. 3, shown in Figure 5 for another example, after overall package is finished, this knob 35 can be stretched and be located at a wherein hole 12 outsides of drain pan 10, these appendix 36 ends then can be passed by another hole 13, to be connected the gas carrier pipe, when desire is used, be earlier pan 70 to be placed on outer pot 71 inside, and its bottom is pressed on the temp control switch 60, and sleeve pipe 84 is suppressed downwards (this moment, flexible member 83 was confined state).

As Fig. 5, Fig. 6, shown in Figure 7, under the state of operation knob 35 not (promptly close son make zero state), the female fiery guide hole 324 that closes son 32 all is not relative with first air admission hole 312, second air admission hole 313 with main fiery guide hole 325, even, also can be broken off and can not flow to burner 20 inside so there is gas to enter appendix 36 when inner.

As Fig. 5, Fig. 8, shown in Figure 9, when operator presses and turning knob 35 rotates 90 when spending, igniter 90 is driven immediately, and by discharge end 91 generation sparks, simultaneously, rotating shaft 34 closes son 32 with drive and rotates 90 degree, impel female fiery guide hole 324 two ends and first air inlet recall 312 and transfer port 314 be relative, but leading fire hole 325 still is the shape that staggers with second air admission hole 313, so can guide Device in Gas enters gas transmission and recalls 314 and female fiery conduit 37, immediately by the female fire of the spark initiation of discharge end 91, at this moment, this axostylus axostyle 323 also is rotated axle 34 stoppers and electromagnetism is closed 40 valve block 42 back down in room 38.

As Fig. 5, Figure 10, shown in Figure 11, close son 32 and rotate 160 when spending when the operator is rotated further knob 35 and drives, female fiery guide hole 324 two ends have part to be relative with first air admission hole 312 and transfer port 314, and leading fire hole 325 is fully relative with second air admission hole 313, so Device in Gas do not enter only gas transmission recall 314 and female fiery conduit 37 in, and also can be via second air admission hole 313, leading fire hole 325, axis hole 321, valve opening 381, room 38, dominate fire tube 39 and flow to snorkel 23 and ring body 21 inside, and ignite and on bad body of stove 21, form the ring-type big fire by female fire, so that pan 70 is carried out cooking.

When temp control switch 60 sensing pans 70 arrive design temperature, its inner arc 67 promptly produces distortion, and drive this reed 641 and separate with sheet metal 65, cut off heat immediately and play electric power, and make magnetic valve 40 losss of excitation, and valve block 42 is enclosed on the valve opening 381, and can block gas and flow to main fire-guide pipe 39 and burner 20 inside, only surplus female fire continues insulation, after knob 35 counter-rotatings are made zero, get final product the air inlet of the female fiery guide hole 324 of close synchronously, leading fire hole 325, and reach the purpose of safe handling.

Therefore, the utility model first embodiment utilizes the rotation of knob 35 can adjust the gas air inflow of main fiery guide hole 325, and reaches the purpose of adjusting main owner of the house where a fire started's power, boils with the drink that is applicable to different foods.

In addition, as shown in figure 12, be the utility model second embodiment, it is to be in series with a timer 100 on the electric wire 51 between thermocouple 50 and the temp control switch 60, before cooking, can preestablish the cooking time of timer 100, and cooperate little fire, master's firepower of low temperature, applicable to the stewed food cooking of low temperature temperature, even and design temperature no show still, play electric power but still can cut off heat in good time by timer 100, impel magnetic valve 40 losss of excitation, and utilize valve block 42 blocking-up gas, another purpose of these timer 100 installings is when temp control switch 60 damages, and utilizes timer 100 still can reach protective action.

By above explanation, again advantage of the present utility model is summarized as follows:

One, utilize knob 35 to drive to close son 32 to rotate with respect to body 31, can change the relativeness of female fiery guide hole 324, main fiery guide hole 325 and first air admission hole 312, second air admission hole 313, and can reach the purpose of regulating flame size, and the main flame of ring body 21 can be finely tuned, not only be applicable to the meal of generally cooking a meal, more being applicable to needs low temperature, long stewing to boil.

Two, the operation of its igniting, the meal of cooking a meal, insulation, only need operation knob 35 to reach, arrange in pairs or groups the again setting of magnetic valve 40 and temp control switch 60, can electronic type control these magnetic valve 40 generation losss of excitation or inhale magnetic, and block gas automatically and finish the operation of the meal of cooking a meal, not only simple structure, to make assembly easy, more accurate during use, make things convenient for.

Three, temp control switch 60 is to be installed in the drain pan 10, so use applicable to any pan 70, replaceability is easy, and is comparatively convenient in the use.

Four, in the operation of using, the user need only push and rotate knob 35, can finish igniting simultaneously, be input into gas, purpose such as control flame size, on the contrary, knob 35 is inverted to when making zero, can reach the flame of close synchronously ring body 21 and female fiery conduit 37, not only processing ease and use are gone up safer.

Claims (4)

1. the gas cooker of a tool temperature sensing device is to be equiped with switch, that a burner, is connected burner snorkel inlet end to be installed in burner side tool and to connect with the thermocouple, of the magnetic valve line control of switch inside and be arranged on temp control switch between thermocouple and the magnetic valve in a drain pan inside; It is characterized in that:

This drain pan, inside are provided with an opening space up, and offer two holes that can connect to the outside on the side face, and this space opening part is placed with a pan;

This burner is to be installed in this drain pan inside, and this burner inside is provided with a circular hole, and burner one side is extended a snorkel;

This switch, has a body, one be rotary axis of earth be located at this body a bellmouth inside close son, one along closing that son endwisely slips and axle is located at the axostylus axostyle that this closes an axis hole inside of son, one is symmetrical in the bellmouth axis and is installed in the lid of this body side and one and is located at the rotating shaft that this lid portion inside and interlock axostylus axostyle move vertically, the bellmouth perisporium of this body is provided with one first air admission hole that is arranged side by side vertically and radially extends, one second air admission hole, and across bellmouth and a transfer port relative with first air admission hole, this first air admission hole, second air admission hole utilizes an appendix to be through in the wherein hole of drain pan and can connect the gas carrier pipe, this transfer port is borrowed a female light conduit and is connect and causes burner one side, be provided with a room in bellmouth one side, this room one side is extended a main fire-guide pipe, this main fire-guide pipe connects the snorkel end that causes burner, be provided with a valve opening between this bellmouth and the room, be equiped with a magnetic valve in this room, one valve block of this magnetic valve is symmetrical in this valve opening, this close son be make coniform, inside is provided with this axis hole vertically, and this axis hole one end is relative with valve opening, this axis hole inner peripheral surface be provided with always pass to close sub-outer peripheral face and with first air admission hole, transfer port is relative female fiery guide hole in good time, and one with the in good time relative fiery guide hole of master of second air admission hole, but be nested with the O shape ring that packing is sealed in the axis hole inner peripheral surface on this axostylus axostyle at least, this O shape ring just blocks between female fiery guide hole that closes son and main fiery guide hole, and another stretches out in a hole of drain pan this rotating shaft, and be connected with a knob, rotating shaft is a center of rotation towards the body compacting and with the bellmouth axis, and axostylus axostyle pushes away the valve block of pulling and breaks away from valve opening;

This thermocouple that detects flame is installed in burner one side, involves with electric wire between this thermocouple and the magnetic valve;

This temp control switch, it is inner and contact with the pan bottom to be installed in the circular hole of burner, and it is to utilize a bracing frame to support the location, and connects and be arranged on the electric wire between thermocouple and the magnetic valve.

2. the gas cooker of tool temperature sensing device as claimed in claim 1, it is characterized in that: this bracing frame bottom locking is on drain pan, which is provided with a pipe, and this pipe internal sleeve is provided with a flexible member and a sleeve pipe, this sleeve pipe is held by the elastic force of this flexible member, and temp control switch is installed in this sleeve pipe top.

3. the gas cooker of tool temperature sensing device as claimed in claim 1 is characterized in that: the space opening part of this drain pan is provided with an outer pot, and this outer pot just is arranged on the outside of pan.

4. the gas cooker of tool temperature sensing device as claimed in claim 1 is characterized in that: be in series with a timer on the electric wire between this thermocouple and the temp control switch.

Images