CN216409048U - Gas stove - Google Patents

Abstract

The utility model discloses a gas stove, which adopts a double-nozzle concentric duplex nozzle structure and combines a multi-channel gas supply structure, can instantly realize the heat load increase, changes the normal combustion state into the violent-fire combustion state, and meets the requirements of people on quick-frying cooking.

Description

Gas stove

Technical Field

The utility model relates to a household gas stove, in particular to a strong-fire gas stove.

Background

The maximum thermal load (power) that a household gas cooker can reach when meeting various indexes of national standards, such as carbon monoxide content, thermal efficiency and the like, is called as the nominal maximum thermal load of the gas cooker. The existing household gas stove can only be adjusted within the range of the nominal maximum heat load, and a user of the combustion stove cannot obtain a cooking environment larger than the nominal maximum heat load, so that the requirements of modern household users cannot be completely met. Especially, some cooking modes such as quick-frying which need a strong fire to achieve the cooking effect cannot be achieved by a common gas stove. Some gas stoves adopt a double-channel double-nozzle design to improve heat load, and the double nozzles are arranged in parallel, so that the gas injection and gas mixing effects are poor, and the installation structure of the nozzles is relatively complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to improve the defects of the prior art, and provides a gas stove capable of instantly improving heat load.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme. A gas stove comprises a main gas pipe, a gas valve, a first gas channel, a second valve, a nozzle and a burner, wherein the gas valve is communicated with the main gas pipe and the first gas channel, the second valve is communicated with the second gas channel, the nozzle is a concentric compound nozzle formed by sleeving a first nozzle and a second nozzle together, a gap is reserved between the two nozzles, the compound nozzle extends into an ejector pipe of the burner and is coaxial with the ejector pipe, the first nozzle and the second nozzle are respectively communicated with the first gas channel and the second gas channel correspondingly, and gas is sprayed out from central holes of the first nozzle and the second nozzle; the second valve is connected from the main gas pipe or the gas valve; the gas valve is an adjustable valve, and the second valve is an on-off valve; the gas stove has a normal combustion state and a violent fire combustion state, and the gas valve is in the normal combustion state when opened and the second valve is closed; the gas valve and the second valve are in a violent fire combustion state when being opened simultaneously.

Further, still include the nozzle holder, including first gas passageway, second valve and duplex nozzle are installed in the nozzle holder.

The gas burner is characterized by further comprising a central fire burner, wherein a third gas channel, a fourth gas channel and a duplex nozzle which correspond to the central fire burner are arranged on the nozzle seat, the third gas channel is connected from a gas valve, and the fourth gas channel is connected from a second gas channel at the rear end of the second valve.

The air conditioner further comprises a controller, a fan for providing primary air is installed on the nozzle seat, the controller is in signal connection with the fan and the second valve, and the fan is started and stopped along with the on-off of the second valve.

Further, the second valve is connected from the first gas channel or the third gas channel at the rear end of the gas valve.

Furthermore, the gas valve can identify gears and is in signal connection with the controller, and the second valve and the fan can be started by the controller only in the gear of big fire (big gas flow), namely, a violent fire combustion state is started.

Further, when the opening degree of the gas valve is adjusted in the process of the violent flame combustion state, the controller closes the second valve and the fan after receiving the signal, and the gas stove is changed from the violent flame combustion state to the normal combustion state.

Further, the controller is provided with a timing device, and timing is started when the second valve is opened.

Further, the gas valve and the second valve are mechanical valves or electromagnetic valves.

Further, the second fuel gas channel and/or the fourth fuel gas channel are/is provided with a flow reducer pipe, so that the processing of the fuel gas channels and the control of the fuel gas flow are facilitated.

The utility model adopts a double-nozzle concentric duplex nozzle structure, the installation is the same as the installation of a common stove nozzle, no special requirement is provided for a burner injection pipe, the gas injection and mixing effects are good, and the duplex nozzle can realize the normal combustion state and the violent fire explosion and stir-frying combustion state of the stove according to the multi-channel gas supply structure of the stove. The compound nozzle is simple to install, the first nozzle and the second nozzle are screwed into the nozzle seat in sequence, the nozzle seat can be used for integrally installing nozzles of outer ring fire and central fire of a burner of a cooker, a plurality of gas passages, electromagnetic valves and fans are integrated, the second gas passage and the fourth gas passage are simultaneously controlled by the second valve to supply gas to the outer rings of the two compound nozzles, the whole structure is more compact, the gas valve and the second valve can be arranged in parallel or in series, when the gas valve and the second valve are arranged in series, only one outer ring fire gas pipe and one central fire gas pipe are needed to be connected with the gas valve of the gas cooker, the gas valve and the central fire gas pipe are connected without difference with a common cooker, the gas passages are simplified, and the gas valve is safer. The gas stove provided by the utility model can instantly realize heat load lifting, is converted from a normal combustion state into a violent fire combustion state, meets the requirements of people on stir-frying cooking, has various modes of closing the violent fire combustion state, can directly close the second valve and is timed and closed, and particularly can close the violent fire combustion state by rotating the gas valve according to the usual operation habit of people when the gas valve and the second valve are connected in series. When the gas valve and the second valve are connected in parallel, the heat load of the cooker can be adjusted by adjusting the gas valve when the gas cooker is in a violent fire combustion state.

Drawings

Fig. 1 is a schematic structural view of a gas stove with a gas valve and a second valve connected in parallel.

Fig. 2 is a schematic structural diagram of a gas stove with a series connection of a gas valve and a second valve.

FIG. 3 is a schematic view of a nozzle holder structure equipped with a multiple nozzle, a blower and a valve body.

Fig. 4 is a schematic sectional view showing a nozzle holder of a gas range according to the present invention.

Fig. 5 is a cross sectional view schematically showing the structure of the nozzle holder of the gas range of the present invention.

Fig. 6 is a schematic view showing a structure of a multiple nozzle of a gas range of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

First embodiment, as shown in fig. 1, a gas range includes an outer ring fire and a center fire. The gas burner comprises an outer ring fire, a gas valve 2, a main gas pipe 1, a first gas channel 3, a second valve 12, a main gas pipe 1 and a second gas channel 13, an outer ring fire nozzle 5, a main fire burner 7, an ejector pipe and a second nozzle 52, wherein the outer ring fire nozzle 5 is a concentric duplex nozzle which is sleeved together by the first nozzle 51 and the second nozzle 52, a gap is reserved between the two nozzles, and the first nozzle 51 and the second nozzle 52 are respectively and correspondingly communicated with the first gas channel 3 and the second gas channel 13 as shown in figure 6. The central fire is provided with a third gas channel 4, a fourth gas channel 14 and a central fire nozzle 6 which correspond to the central fire burner 8, the central fire nozzle 6 extends into an ejector pipe of the central fire burner 8 and is coaxial with the ejector pipe, the central fire nozzle 6 is a concentric compound nozzle which is sleeved together by a third nozzle 61 and a fourth nozzle 62, a gap is reserved between the two nozzles, the third nozzle 61 and the fourth nozzle 62 are respectively and correspondingly communicated with the third gas channel 4 and the fourth gas channel 14, the third gas channel 4 is accessed from a gas valve 2, and the fourth gas channel 14 is accessed from a second gas channel 13 at the rear end of a second valve 12. The second fuel gas channel 13 and the fourth fuel gas channel 14 are provided with a flow reducer 16, so that the processing of the fuel gas channels and the control of the fuel gas flow are facilitated.

The gas stove has a normal combustion state and a violent fire stir-frying combustion state. The normal combustion state system comprises a main gas pipe 1, a gas valve 2, a first gas channel 3, a third gas channel 4, an outer ring fire nozzle 5, a center fire nozzle 6, an outer ring fire burner 7 and a center fire burner 8. In the high fire stir-fry combustion state system, a second valve 12, a second fuel gas channel 13 and a fourth fuel gas channel 14 are added on the basis of a normal combustion state system, and a controller 10 and a fan 11 are additionally added. The gas valve 2 is a mechanical adjustable valve, and the second valve 12 is an electromagnetic on-off valve. The gas valve 2 is in a normal combustion state when being opened and the second valve 12 is closed; the strong fire stir-frying combustion state is realized as long as the second valve 12 is opened; when the gas valve 2 and the second valve 12 are opened simultaneously, the combustion state of the gas valve and the second valve is in a heat load adjustable violent fire stir-frying combustion state. The controller 10 is in signal connection with the second valve 12 and the fan 11, and the fan 11 is started and stopped along with the on-off of the second valve 12; the controller 10 is provided with a timing device, the second valve 12 starts timing when being opened to enter a violent fire stir-frying combustion state, and the second valve 12 is automatically closed when the set time is reached, so that the gas stove is prevented from being in the violent fire stir-frying combustion state for a long time.

Set up "a key explodes to fry" and open and stop the button on the gas-cooker panel, the gas-cooker is under the big fire state of normal combustion, clicks the button and starts, can trun into fiercely to explode the stir-fry burning state rapidly, realizes promoting heat load in the twinkling of an eye, satisfies people's stir-fry culinary art demand of exploding, and it is various to close fiercely fire burning state mode, can directly click the button and close, also can be by controller 10 timing self-closing.

According to the requirement of national standard GB16410, the burner of the cooking utensils should be provided with no less than two independent gas valves, the gas valve 2 and the second valve 12 of the utility model can be a series combination comprising at least two valves, and an independent valve can also be added on the main gas pipe 1 or the gas channel in series.

The second embodiment is different from the first embodiment in that the fan 11 is omitted, and the blowing of the fan is changed into the natural injection of the nozzle to provide primary air in the violent fire stir-frying combustion state of the gas stove.

In the third embodiment, as shown in fig. 2, the difference from the first embodiment is that the second valve 12 is connected by the gas valve 2 instead of the main gas pipe 1, the gas valve and the second valve are connected in series instead of in parallel, the gas valve 2 is a mechanically adjustable valve and can identify gears, the controller 10 is in signal connection with the gas valve 2, the second valve 12 and the fan 11, and the fan 11 is started or stopped along with the on/off of the second valve 12; the gas valve 2 can identify gears and is in signal connection with the controller 10, the second valve 12 and the starting fan 11 can be opened through the controller 10 only when the gas valve 2 is in a big fire (big gas flow) gear, namely, a violent fire combustion state is started, and the violent fire combustion state cannot adjust heat load. The mode of closing the violent fire combustion state is various, the violent fire combustion state can be closed by directly clicking a button, the violent fire combustion state can also be closed by timing and automatically closing the controller 10, particularly, the violent fire combustion state can be closed by rotating the gas valve 2 to adjust firepower according to the usual operation habit of people, when the opening degree of the gas valve 2 is adjusted in the violent fire combustion state process, the controller 10 closes the second valve 12 and the fan 11 after receiving a signal, and the gas stove is changed from the violent fire combustion state to the normal combustion state.

In order to simplify the internal gas passage and structure of the gas stove, a plurality of gas pipelines, a second valve 12, a fan 11 and the like in a dotted line frame in the figure can be integrated on the gas nozzle seat.

As shown in fig. 3, 4 and 5, the nozzle holder of the gas stove comprises a holder body 15 formed by winding a metal thin wall, a first gas channel 3 and a second gas channel 13 for providing external fire of the burner of the stove, and a third gas channel 4 and a fourth gas channel 14 for providing central fire of the burner of the stove. The middle of the base body 15 is provided with a hollow hole, one end of the hollow hole is provided with a fan 11 for providing primary air, and the other end of the hollow hole is over against an injection pipe of a burner of the stove. The tail ends of the first gas channel 3 and the second gas channel 13 are of coaxial structures, and a first nozzle 51 and a second nozzle 52 of the outer ring fire nozzle 5 are correspondingly arranged; the tail ends of the third gas channel 4 and the fourth gas channel 14 are also coaxial structures and are respectively provided with a third nozzle 61 and a fourth nozzle 62 of the second central fire nozzle 6 correspondingly; the two compound nozzles are positioned in the hollow hole in the middle of the seat body 1 and are arranged left and right separately.

The second valve 12 is installed on the second gas passage 13 to control whether the second gas passage 13 supplies gas to the second nozzle 52. The fourth gas channel 14 is connected from the second gas channel 13 at the rear end of the second valve 12, and the second valve 6 can simultaneously control the on-off of the second gas channel 13 and the fourth gas channel 14. The second gas channel 13 at the front end of the second valve 12 is communicated with the first gas channel 3 in a series connection mode, so that the gas circuit can be simplified and the gas circuit is safer, and only one outer ring fire gas pipe and one central fire gas pipe are needed for connecting the gas valve 2 of the gas stove, and the connection with a common stove is not different.

As shown in fig. 6, the outer ring fire nozzle 5 includes two concentric first nozzles 51 and second nozzles 52 which are sleeved together, a gap is left between the two nozzles, the second nozzle 52 is longer than the first nozzle 51 at the periphery, and the gas is ejected from the hollow holes in the centers of the first nozzle 51 and the second nozzle 52. The outer ring fire nozzle 5 is simple to install, the first nozzle 51 and the second nozzle 52 are sequentially screwed into the nozzle seat, the installation is the same as that of a nozzle of a common cooker, special requirements on an injection pipe of a burner are avoided, and the effects of gas injection and gas mixing are good. The central flame nozzle 6 is different from the outer ring flame nozzle 5 in that the central bore diameter is different and the gas flow rate supplied to the burner is different.

Claims (10)

1. A gas stove comprises a main gas pipe, a gas valve, a first gas channel, a second valve, a nozzle and a burner, wherein the gas valve is communicated with the main gas pipe and the first gas channel;

the second valve is connected from the main gas pipe or the gas valve;

the gas stove has a normal combustion state and a violent fire combustion state, and the gas valve is in the normal combustion state when opened and the second valve is closed; the gas valve and the second valve are in a violent fire combustion state when being opened simultaneously.

2. The gas range of claim 1, further comprising a nozzle holder including the first gas passage, the second valve and the multi-nozzle installed at the nozzle holder.

3. The gas range of claim 2, further comprising a central fire burner, wherein the nozzle holder has a third gas passage, a fourth gas passage and a multi-nozzle corresponding to the central fire burner, the third gas passage is connected to the gas valve, and the fourth gas passage is connected to the second gas passage at the rear end of the second valve.

4. The gas stove of claim 2 or 3, further comprising a controller, wherein a fan for providing primary air is installed on the nozzle holder, the controller is in signal connection with the fan and the second valve, and the fan is started and stopped along with the on and off of the second valve.

5. The gas range as claimed in claim 4, wherein the second valve is connected to the first gas passage or the third gas passage at the rear end of the gas valve.

6. The gas stove as claimed in claim 5, characterized in that the gas valve can identify gears and is connected with the controller by signals, and the gas valve can start the second valve and the fan by the controller in a big fire gear, namely, a strong fire combustion state is started.

7. The gas range of claim 6, wherein when the opening of the gas valve is adjusted during the high fire combustion state, the controller closes the second valve and the fan after receiving the signal, and the gas range is changed from the high fire combustion state to the normal combustion state.

8. The gas range as set forth in claim 5, wherein the controller has a timer means for starting the timing when the second valve is opened.

9. Gas burner according to claim 1, characterized in that the gas valve, the second valve is a mechanical valve or a solenoid valve.

10. Gas burner according to claim 1 or 3, characterized in that the second and/or fourth gas channel is equipped with a flow reducer.

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