CN112303672A

CN112303672A - Energy-saving domestic gas range

Info

Publication number: CN112303672A
Application number: CN202010388416.0A
Authority: CN
Inventors: 李金钟
Original assignee: Guangdong Aipu Electric Appliances Co ltd
Current assignee: Guangdong Aipu Electric Appliances Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-02

Abstract

The invention discloses an energy-saving household gas stove which comprises an energy-saving gas mixing component, a gas inlet component, a first exhaust component, a second exhaust component and a driving component, wherein the energy-saving gas mixing component is arranged on the gas inlet component; the energy-saving household gas stove wraps the stove body through the ceramic support and the cast iron support, so that when the stove body burns gas, the heat of flame is always kept in the ceramic support, waste gas generated after the gas is burnt can be discharged out of the gas stove through the annular pipe, the air exhaust hole, the first exhaust assembly and the second exhaust assembly, the gas and air can be premixed through the gas mixing assembly, the gas is mixed with enough oxygen, the gas can be fully burnt, and the gas cannot be wasted; this energy-saving domestic gas-cooker can remain the heat after the gas combustion in the kitchen body department as far as possible, heats the pot to the more heat is produced to less gas, mixes gas and air in advance, guarantees that the gas can the abundant burning, sends more heat, can also avoid the gas burning inadequately and give out the toxic gas.

Description

Energy-saving domestic gas range

Technical Field

The invention relates to a gas stove, in particular to an energy-saving household gas stove.

Background

The gas stove is a kitchen utensil heated by direct fire with liquefied petroleum gas (liquid), artificial gas, natural gas and other gas fuels. The household gas stove on the market has low heat utilization rate, so that the gas stove consumes extremely high energy, when the gas stove burns petroleum gas, natural gas and other gas, most of heat generated by the gas is conducted to the surrounding air, and only part of heat is conducted to the pot; on the other hand, since oxygen is needed for gas combustion, when a common household gas stove is used, oxygen and a large amount of non-combustible gas such as carbon dioxide is needed for gas combustion, and the gas is scattered around the gas stove, so that the oxygen around the gas stove is reduced, and the gas combustion is influenced.

Disclosure of Invention

The invention aims to provide an energy-saving household gas stove.

In order to achieve the above purpose, the following scheme is provided: the utility model provides an energy-saving domestic gas-cooker, includes organism, the kitchen body, core lid, deep bead and pot frame, the top at the organism is installed to the kitchen body, the core lid is installed on the kitchen body, the outside at the kitchen body is installed to the deep bead, the outside at the deep bead is installed to the pot frame, its characterized in that: the energy-saving gas mixing device comprises a gas mixing component, a gas inlet component, a first gas outlet component, a second gas outlet component and a driving component, wherein the gas mixing component is arranged in a machine body, the gas mixing component is connected with the machine body and is positioned below the machine body, the bottom of the gas mixing component is provided with the gas inlet component and is positioned in the machine body, the driving component is connected with the gas mixing component, the first gas outlet component is connected with one side of the gas mixing component, the second gas outlet component is connected with the other side of the gas mixing component, the first gas outlet component and the second gas outlet component are both arranged in the machine body, the gas mixing component comprises a ceramic support, a cast iron support, a ring pipe, a first gas extraction pipe, a second gas extraction pipe, a gas mixing pipeline, a partition plate and a gas mixing bin, the ceramic support is arranged in the cast iron support, the top of the ceramic support is provided with the ring pipe, and the ring pipe is uniformly provided with a plurality of gas, the ceramic support is internally provided with a first exhaust pipe and a second exhaust pipe which are symmetrically arranged on two sides of the ceramic support, the first exhaust pipe and the second exhaust pipe are communicated with an annular pipe, the gas mixing bin is arranged inside the body and is connected with the stove body through a gas mixing pipeline, and a plurality of partition plates are alternately arranged in the gas mixing pipeline.

Further, the subassembly that admits air includes gas pipeline, air intake pump, intake pipe and outlet duct, gas pipeline sets up in the organism, and it is external that the one end of gas pipeline extends the organism, and the other end of gas pipeline is located the storehouse of mixing gas, the air intake pump is installed in the organism, and the inlet end of air intake pump is connected with the one end of intake pipe, and it is external that the other end of intake pipe extends the organism, the end of giving vent to anger of air intake pump is connected with the one end of outlet duct, and the other end of outlet duct is located the storehouse of mixing gas, and the one end that the gas pipeline is located the storehouse of mixing gas is relative with the one end.

Further, the driving assembly comprises a first motor, a first sliding block, a first screw rod, a second motor, a second sliding block and a second screw rod which are arranged in the machine body, the first motor and the second motor are symmetrically arranged on two sides of the air mixing assembly, an output shaft of the first motor is connected with the first screw rod through a coupler, the first screw rod is connected with the first sliding block through threads, the first sliding block is fixedly connected with one side of the cast iron support, an output shaft of the second motor is connected with the second screw rod through a coupler, the second screw rod is connected with the second sliding block through threads, and the second sliding block is fixedly connected with the other side of the cast iron support.

Furthermore, the first exhaust component and the second exhaust component are the same in structure and are symmetrically arranged on two sides of the gas mixing component.

Further, first exhaust subassembly includes first water injection pipe, first water tank, first connecting pipe, first trachea, first aspiration pump, first trachea, first water tank is installed in the organism, and the bottom of first water tank is connected with one section of first connecting pipe, and the other end of first connecting pipe inserts in first trachea, and the top of first water tank is connected with the one end of first water injection pipe, the other end of first water injection pipe with extend to the organism outer wall on, the one end of first trachea is connected with the top of first water tank, and the other end of first trachea is connected with the inlet end of first aspiration pump, and the end of giving vent to anger of first aspiration pump is connected with the one end of first trachea, and the other end of first trachea extends to the outer wall of organism.

Furthermore, the second exhaust assembly comprises a second water injection pipe, a second water tank, a second connecting pipe, a second air suction pump and a second exhaust pipe, the second water tank is installed in the machine body, the bottom of the second water tank is connected with the two sections of the second connecting pipe, the other two ends of the second connecting pipe are inserted into the second air suction pipe, the top of the second water tank is connected with the two ends of the second water injection pipe, the other two ends of the second water injection pipe are connected with the two ends of the second water tank, the two ends of the second air suction pipe are connected with the top of the second water tank, the other two ends of the second air suction pipe are connected with the air inlet end of the second air suction pump, the air outlet end of the second air suction pump is connected with the two ends of the second exhaust pipe, and the other two ends of the second exhaust pipe.

The working principle and the advantages of the invention are as follows: the energy-saving household gas stove wraps the stove body through the ceramic support and the cast iron support, so that when the stove body burns gas, the heat of flame is always kept in the ceramic support, waste gas generated after the gas is burnt can be discharged out of the gas stove through the annular pipe and the air exhaust hole on the ceramic support and the first exhaust assembly and the second exhaust assembly, the gas and air can be premixed through the gas mixing assembly, the gas is mixed with enough oxygen, the gas can be fully burnt, and the gas cannot be wasted; this energy-saving domestic gas-cooker can remain the heat after the gas combustion in the kitchen body department as far as possible, heats the pot to the more heat is produced to less gas, simultaneously, mixes gas and air in advance, guarantees that the gas can the abundant burning, sends more heat, can also avoid the gas combustion inadequately and give out the toxic gas.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view A of a portion of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view B of the portion of FIG. 1 according to the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include:

11. the kitchen range comprises a range body 12, a range body 13, a core cover, 14, a wind shield, 15, a pot holder, 21, a ceramic support, 22, a cast iron support, 23, an annular pipe, 24, an air suction hole, 25, a first air suction pipe, 26, a second air suction pipe, 27, an air mixing pipeline, 28, a partition plate, 29, an air mixing bin, 31, a gas pipeline, 32, an air inlet pump, 33, an air inlet pipe, 34, an air outlet pipe, 41, a first motor, 42, a second sliding block, 43, a first screw rod, 44, a second motor, 45, a second sliding block, 46, a second screw rod, 51, a first water injection pipe, 52, a first water tank, 53, a first connecting pipe, 54, a first air suction pipe, 55, a first air suction pump, 56, a first air exhaust pipe, 61, a second water injection pipe, 62, a second water tank, 63, a second connecting pipe, 64, a second air suction pipe, 65, and 66, a second exhaust pipe.

As shown in fig. 1 to 3, an energy-saving household gas stove comprises a stove body 11, a stove body 12, a core cover 13, a wind screen 14 and a pan frame 15, wherein the stove body 12 is installed on the top of the stove body 11, the core cover 13 is installed on the stove body 12, the wind screen 14 is installed on the outer side of the stove body 12, and the pan frame 15 is installed on the outer side of the wind screen 14, and is characterized in that: still include energy-conserving gas mixing assembly, the subassembly that admits air, first exhaust subassembly, second exhaust subassembly and drive assembly, gas mixing assembly installs in organism 11, mixes gas assembly and kitchen body 12 and is connected and mix the below that gas assembly is located kitchen body 12, the bottom of mixing gas assembly is equipped with the subassembly that admits air and admit air the subassembly and is located organism 11, drive assembly is connected with the subassembly that mixes gas, first exhaust subassembly is connected with one side of gas mixing assembly, the second exhaust subassembly is connected with the opposite side of gas mixing assembly, first exhaust subassembly and second exhaust subassembly are all installed in organism 11, mix the gas assembly and include ceramic support 21, ceramic support 22, annular pipe 23, first exhaust pipe 25, second exhaust pipe 26, mix gas pipeline 27, baffle 28 and mix the gas storehouse 29, ceramic support 21 installs in ceramic support 22, the top of ceramic support 21 is equipped with annular pipe 23, a plurality of air exhaust holes 24 are uniformly distributed on the annular pipe 23, a first air exhaust pipe 25 and a second air exhaust pipe 26 are arranged in the ceramic support 21, the first air exhaust pipe 25 and the second air exhaust pipe 26 are symmetrically arranged on two sides of the ceramic support 21, the first air exhaust pipe 25 and the second air exhaust pipe 26 are both communicated with the annular pipe 23, the air mixing bin 29 is arranged inside the machine body 11, the air mixing bin 29 is connected with the stove body 12 through an air mixing pipeline 27, and a plurality of partition plates 28 are alternately arranged in the air mixing pipeline 27.

The gas stove comprises a gas stove body 11, a stove body 12, a core cover 13, a wind shield 14, a pot frame 15 and a gas stove body, wherein the gas stove body 11 is a main supporting structure of the gas stove, the stove body 12 and the core cover 13 are combustion parts of gas, the wind shield 14 is used for main shielding of external air flow, and the external air flow is prevented from influencing flame of gas combustion, so that the combustion process of the gas at the stove body 12 is more stable, and the pot frame 15; the gas stove also comprises a control device, wherein the control device comprises a single chip microcomputer and a control panel, the single chip microcomputer is connected with the driving assembly, the gas inlet assembly, the first exhaust assembly and the second exhaust assembly, and the control panel is used for controlling the operation of each assembly; the gas mixing assembly is used for mixing gas and air, the driving assembly is used for driving the ceramic support 22 and the ceramic support 21 to lift upwards, and the first exhaust assembly and the second exhaust assembly are used for discharging waste gas generated after gas combustion out of the gas stove; mix the gas subassembly and be used for gas and air intensive mixing, it is used for holding gas and air to mix gas storehouse 29, make gas and air at its internal preliminary mixing, it is used for carrying out the secondary with gas and air to mix gas pipeline 27, a plurality of baffles 28 set up in the gas pipeline 27 in turn and can increase the stroke that passes through of gas and air in mixing gas pipeline 27, make gas and air intensive mixing, ceramic support 22 and ceramic support 21 are used for supporting the pot body, make and form a relatively sealed space between the pot body and the ceramic support 21, ring pipe 23, aspirating hole 24, first aspiration tube 25 and second aspiration tube 26 are used for the exhaust gas discharge this gas-cooker after the gas burning.

As shown in fig. 1, the air inlet assembly includes a gas pipeline 31, an air inlet pump 32, an air inlet pipe 33 and an air outlet pipe 34, the gas pipeline 31 is disposed in the machine body 11, one end of the gas pipeline 31 extends out of the machine body 11, the other end of the gas pipeline 31 is located in the air mixing chamber 29, the air inlet pump 32 is installed in the machine body 11, the air inlet end of the air inlet pump 32 is connected with one end of the air inlet pipe 33, the other end of the air inlet pipe 33 extends out of the machine body 11, the air outlet end of the air inlet pump 32 is connected with one end of the air outlet pipe 34, the other end of the air outlet pipe 34 is located in the air mixing chamber 29, and one end of the gas pipeline 31 located in the air mixing chamber 29 is opposite to.

The gas pipeline 31 is used for inputting gas into the gas mixing bin 29, the gas inlet pump 32, the gas inlet pipe 33 and the gas outlet pipe 34 are used for pumping air into the gas mixing bin 29, and an opening at one end of the gas pipeline 31, which is positioned in the gas mixing bin 29, is opposite to an opening at one end of the gas outlet pipe 34, which is positioned in the gas mixing bin 29, so that the gas and the air are mixed as soon as entering the gas mixing bin 29.

As shown in fig. 1, the driving assembly includes a first motor 41, a first slider 42, a first screw 43, a second motor 44, a second slider 45 and a second screw 46 which are disposed in the machine body 11, the first motor 41 and the second motor 44 are symmetrically disposed on two sides of the air mixing assembly, an output shaft of the first motor 41 is connected to the first screw 43 through a coupling, the first screw 43 is connected to the first slider 42 through a screw, the first slider 42 is fixedly connected to one side of the ceramic support 22, an output shaft of the second motor 44 is connected to the second screw 46 through a coupling, the second screw 46 is connected to the second slider 45 through a screw, and the second slider 45 is fixedly connected to the other side of the ceramic support 22.

The first motor 41 and the second motor 44 are respectively used for driving the first screw 43 and the second screw 46 to rotate, the first screw 43 and the second screw 46 respectively drive the first slider 42 and the second slider 45 to lift upwards, and the first slider 42 and the second slider 45 cooperatively lift the ceramic support 22 and the ceramic support 21 upwards.

As shown in fig. 1, the first exhaust assembly and the second exhaust assembly have the same structure and are symmetrically arranged on two sides of the air mixing assembly.

As shown in fig. 1, the first exhaust assembly includes a first water injection pipe 51, a first water tank 52, a first connection pipe 53, a first air suction pipe 54, a first air suction pump 55, and a first exhaust pipe 56, the first water tank 52 is installed in the machine body 11, the bottom of the first water tank 52 is connected to a section of the first connection pipe 53, the other end of the first connection pipe 53 is inserted into the first air suction pipe 25, the top of the first water tank 52 is connected to one end of the first water injection pipe 51, the other end of the first water injection pipe 51 is extended to the outer wall of the machine body 11, one end of the first air suction pipe 54 is connected to the top of the first water tank 52, the other end of the first air suction pipe 54 is connected to the air inlet end of the first air suction pump 55, the air outlet end of the first air suction pump 55 is connected to one end of the first exhaust pipe 56, and the other end of the first exhaust pipe 56 is extended.

The first water tank 52 is used for storing water, the first water injection pipe 51 is used for injecting water into the first water tank 52, the first connection pipe 53 is used for connecting the first exhaust pipe 25 with the first water tank 52, so that waste gas generated by combustion of gas can enter the first water tank 52, and the first air suction pipe 54, the first air suction pump 55 and the first exhaust pipe 56 are used for discharging the waste gas in the first water tank 52 out of the gas stove.

As shown in fig. 1, the second exhaust assembly includes a second water injection pipe 61, a second water tank 62, a second connection pipe 63, a second air suction pipe 64, a second air suction pump 65, and a second exhaust pipe 66, the second water tank 62 is installed in the machine body 11, the bottom of the second water tank 62 is connected to two sections of the second connection pipe 63, the other end of the second connection pipe 63 is inserted into the second air suction pipe 26, the top of the second water tank 62 is connected to two ends of the second water injection pipe 61, the other end of the second water injection pipe 61 is extended to the outer wall of the machine body 11, two ends of the second air suction pipe 64 are connected to the top of the second water tank 62, the other end of the second air suction pipe 64 is connected to an air inlet end of the second air suction pump 65, an air outlet end of the second air suction pump 65 is connected to two ends of the second exhaust pipe 66, and the other end of the second exhaust pipe 66 is extended to the outer wall of.

The second water tank 62 is used for storing water, the second water injection pipe 61 is used for injecting water into the second water tank 62, the second connection pipe 63 is used for connecting the second extraction pipe 26 with the second water tank 62, so that waste gas generated after gas combustion can enter the second water tank 62, and the second suction pipe 64, the second extraction pump 65 and the second exhaust pipe 66 are used for discharging the waste gas in the second water tank 62 out of the gas stove.

The specific implementation process is as follows:

the energy-saving household gas stove has two modes, namely a general mode and an energy-saving mode;

when the gas stove is used in a common mode, firstly, a wok is placed on the wok frame 15, then a valve of the gas pipeline 31 is opened, so that gas enters the gas mixing bin 29 from the gas pipeline 31, and then is conveyed to the stove body 12 and the core cover 13 through the gas mixing pipeline 27 to be ignited, the wok can be heated, and at the moment, the wind shield 14 can prevent external air flow from infecting the combustion of the gas at the stove body 12;

when the energy-saving mode of the gas stove is used, firstly, the control panel and the single chip microcomputer are operated, the driving assembly is controlled to be started, the first motor 41 and the second motor 44 are synchronously started, the first motor 41 and the second motor 44 respectively drive the first screw 43 and the second screw 46 to rotate, the first screw 43 and the second screw 46 respectively drive the first slider 42 and the second slider 45 to move upwards, the first slider 42 and the second slider 45 synchronously move in the machine body 11, the first slider 42 and the second slider 45 synchronously drive the ceramic support 22 to move together, the ceramic support 22 drives the ceramic support 21 to move together until the ceramic support 22 and the ceramic support 21 rise to the right position, and the single chip microcomputer controls the driving assembly to stop moving; then the frying pan is placed on the ceramic support 21, and a relatively closed space is formed by the frying pan and the ceramic support 21; then operating the control panel to enable the first exhaust assembly, the second exhaust assembly and the gas inlet assembly to start working, controlling a valve where a gas pipe arrives to open by the single chip microcomputer, enabling gas to enter the gas mixing bin 29 through the gas pipe 31, controlling the gas inlet pump 32 to start by the single chip microcomputer, pumping air into the machine body 11 through the gas inlet pipe 33 by the gas inlet pump 32, pumping the air into the gas mixing bin 29 through the gas outlet pipe 34, enabling the gas and the air to be primarily mixed in the gas mixing bin 29 and then enter the gas mixing pipe 27, enabling the gas and the air to be fully mixed in the gas mixing pipe 27, delivering the mixed gas to the stove body 12 and the core cover 13 to be ignited, enabling the mixed gas to directly heat the wok, enabling most of heat after the mixed gas is combusted to be reserved in the ceramic support 21, preserving heat and heating the wok, and saving the gas; waste gas after the combustion of the gas enters the annular pipe 23 from the air exhaust hole 24 of the annular pipe 23 of the ceramic support 21, and further enters the first air exhaust pipe 25 and the second air exhaust pipe 26, and the first air exhaust pipe 25 and the second air exhaust pipe 26 respectively send the waste gas to the first exhaust assembly and the second exhaust assembly; waste gas is guided into the first connecting pipe 53 through the first suction pipe 25, the first connecting pipe 53 conducts the waste gas into the first water tank 52, filtered water is preset in the first water tank 52 through the first water injection pipe 51, the waste gas is filtered and cooled by the water in the first water tank 52 after entering the first water tank 52, the first suction pump 55 works, so that the waste gas can smoothly enter the first water tank 52 from the first connecting pipe 53, and the filtered waste gas in the first water tank 52 is discharged out of the machine body 11 through the first suction pipe 54 and the first exhaust pipe 56 by the first suction pump 55; similarly, the exhaust gas is guided to the second connection pipe 63 through the second suction pipe 26, the second connection pipe 63 guides the exhaust gas to the second water tank 62, filtered water is preset in the second water tank 62 through the second water injection pipe 61, the exhaust gas can be filtered and cooled by the water in the second water tank 62 after entering the second water tank 62, the second suction pump 65 works, so that the exhaust gas can smoothly enter the second water tank 62 from the second connection pipe 63, and the second suction pump 65 discharges the filtered exhaust gas out of the body 11 from the second water tank 62 through the second suction pipe 64 and the second exhaust pipe 66.

The energy-saving household gas stove wraps the stove body 12 through the ceramic support 21 and the ceramic support 22, so that when the stove body 12 burns gas, the heat of flame is always kept in the ceramic support 21, waste gas generated after the gas is burnt can be discharged out of the gas stove through the annular pipe 23 and the air exhaust hole 24 on the ceramic support 21 and the first exhaust assembly and the second exhaust assembly, the gas and air can be premixed through the gas mixing assembly, the gas and enough oxygen can be mixed, the gas can be fully burnt, and the gas cannot be wasted; this energy-saving domestic gas-cooker can remain the heat after the gas combustion in the 12 departments of kitchen range body as far as possible, heats the pot to more heat is produced to less gas, simultaneously, mixes gas and air in advance, guarantees that the gas can the abundant burning, sends more heat, can also avoid the gas combustion inadequately and give out the toxic gas.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics of the embodiments is not described herein in any greater extent than that known to persons of ordinary skill in the art at the filing date or before the priority date of the present invention, so that all of the prior art in this field can be known and can be applied with the ability of conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the applicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides an energy-saving domestic gas-cooker, includes organism, the kitchen body, core lid, deep bead and pot frame, the top at the organism is installed to the kitchen body, the core lid is installed on the kitchen body, the outside at the kitchen body is installed to the deep bead, the outside at the deep bead is installed to the pot frame, its characterized in that: the energy-saving gas mixing device comprises a gas mixing component, a gas inlet component, a first gas outlet component, a second gas outlet component and a driving component, wherein the gas mixing component is arranged in a machine body, the gas mixing component is connected with the machine body and is positioned below the machine body, the bottom of the gas mixing component is provided with the gas inlet component and is positioned in the machine body, the driving component is connected with the gas mixing component, the first gas outlet component is connected with one side of the gas mixing component, the second gas outlet component is connected with the other side of the gas mixing component, the first gas outlet component and the second gas outlet component are both arranged in the machine body, the gas mixing component comprises a ceramic support, a cast iron support, a ring pipe, a first gas extraction pipe, a second gas extraction pipe, a gas mixing pipeline, a partition plate and a gas mixing bin, the ceramic support is arranged in the cast iron support, the top of the ceramic support is provided with the ring pipe, and the ring pipe is uniformly provided with a plurality of gas, the ceramic support is internally provided with a first exhaust pipe and a second exhaust pipe which are symmetrically arranged on two sides of the ceramic support, the first exhaust pipe and the second exhaust pipe are communicated with an annular pipe, the gas mixing bin is arranged inside the body and is connected with the stove body through a gas mixing pipeline, and a plurality of partition plates are alternately arranged in the gas mixing pipeline.

2. Energy-saving household gas cooker according to claim 1, characterized in that: the air inlet assembly comprises a gas pipeline, an air inlet pump, an air inlet pipe and an air outlet pipe, the gas pipeline is arranged in the machine body, one end of the gas pipeline extends out of the machine body, the other end of the gas pipeline is located in the gas mixing bin, the air inlet pump is installed in the machine body, the air inlet end of the air inlet pump is connected with one end of the air inlet pipe, the other end of the air inlet pipe extends out of the machine body, the air outlet end of the air inlet pump is connected with one end of the air outlet pipe, the other end of the air outlet pipe is located in the gas mixing bin, and one end, located in the gas mixing bin, of the gas.

3. Energy-saving household gas cooker according to claim 1, characterized in that: the driving assembly comprises a first motor, a first sliding block, a first screw rod, a second motor, a second sliding block and a second screw rod which are arranged in the machine body, the first motor and the second motor are symmetrically arranged on two sides of the gas mixing assembly, an output shaft of the first motor is connected with the first screw rod through a coupler, the first screw rod is connected with the first sliding block through threads, the first sliding block is fixedly connected with one side of the cast iron support, an output shaft of the second motor is connected with the second screw rod through a coupler, the second screw rod is connected with the second sliding block through threads, and the second sliding block is fixedly connected with the other side of the cast iron support.

4. Energy-saving household gas cooker according to claim 1, characterized in that: the first exhaust assembly and the second exhaust assembly are identical in structure and symmetrically arranged on two sides of the gas mixing assembly.

5. Energy-saving household gas cooker according to claim 1 or 4, characterized in that: the first exhaust assembly comprises a first water injection pipe, a first water tank, a first connecting pipe, a first air suction pump and a first exhaust pipe, the first water tank is installed in the machine body, the bottom of the first water tank is connected with one section of the first connecting pipe, the other end of the first connecting pipe is inserted into the first air suction pipe, the top of the first water tank is connected with one end of the first water injection pipe, the other end of the first water injection pipe extends to the outer wall of the machine body, one end of the first air suction pipe is connected with the top of the first water tank, the other end of the first air suction pipe is connected with the air inlet end of the first air suction pump, the air outlet end of the first air suction pump is connected with one end of the first exhaust pipe, and the other end of the first exhaust pipe extends to the outer wall.

6. Energy-saving household gas cooker according to claim 1 or 4, characterized in that: the second exhaust assembly comprises a second water injection pipe, a second water tank, a second connecting pipe, a second air suction pump and a second exhaust pipe, the second water tank is installed in the machine body, the bottom of the second water tank is connected with the second connecting pipe in two sections, the other two ends of the second connecting pipe are inserted into the second air suction pipe, the top of the second water tank is connected with the two ends of the second water injection pipe, the other two ends of the second water injection pipe extend to the outer wall of the machine body, the two ends of the second air suction pipe are connected with the top of the second water tank, the other two ends of the second air suction pipe are connected with the air inlet end of the second air suction pump, the air outlet end of the second air suction pump is connected with the two ends of the second exhaust pipe, and the other two ends of the second exhaust pipe extend to.