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CN109282322B - Air door mechanism and gas stove - Google Patents

Air door mechanism and gas stove Download PDF

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Publication number
CN109282322B
CN109282322B CN201811354923.1A CN201811354923A CN109282322B CN 109282322 B CN109282322 B CN 109282322B CN 201811354923 A CN201811354923 A CN 201811354923A CN 109282322 B CN109282322 B CN 109282322B
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CN
China
Prior art keywords
air
plate
damper
regulating plate
limiting piece
Prior art date
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CN201811354923.1A
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Chinese (zh)
Other versions
CN109282322A (en
Inventor
余国强
王大维
刘书兴
梁少棠
林玉绵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201811354923.1A priority Critical patent/CN109282322B/en
Publication of CN109282322A publication Critical patent/CN109282322A/en
Application granted granted Critical
Publication of CN109282322B publication Critical patent/CN109282322B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/008Ranges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices
    • F24C3/126Arrangement or mounting of control or safety devices on ranges

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The invention relates to an air door mechanism and a gas stove, comprising: an ejector tube; the air door plate is arranged at the air inlet end of the injection pipe and is provided with a first air inlet communicated with the injection pipe; the air regulating plate is arranged on one side of the air door plate and is provided with a second air inlet which is at least partially overlapped with the first air inlet; the limiting piece is fixedly connected with one of the air regulating plate and the air door plate; the air regulating plate is rotatably arranged around an axis compared with the air regulating plate, and the limiting piece is fixed with the air regulating plate in a friction fit mode and the other air regulating plate is fixed. According to the air door mechanism and the gas cooker, the air door mechanism and the gas cooker do not need to be positioned by clamping positions or concave-convex points with fixed distances, and the air inlet channel formed by rotation of the air regulating plate and the air regulating plate can be adjusted to any value within the minimum to maximum range, so that the optimal ratio of gas to air is achieved.

Description

Air door mechanism and gas stove
Technical Field
The invention relates to the technical field of gas cookers, in particular to an air door mechanism and a gas cooker.
Background
The gas stove supplies gas through a pipeline, a nozzle is arranged at the tail end of the pipeline, the gas sprayed out of the nozzle enters an injection pipe in the furnace end, an air door plate and an air regulating plate are arranged at the end of the injection pipe, and when the gas is sprayed into the injection pipe, air is brought into the injection pipe together, and the gas is mixed with the gas and then ignited.
The air quantity entering the injection pipe is realized by adjusting an air inlet channel formed between the air regulating plate and the air door plate. Conventionally, when adjusting the air quantity, the air regulating plate rotates relative to the air door plate, and after the air regulating plate rotates to a proper position, the position of the air regulating plate is limited through a clamping position or an concave-convex point arranged on the air regulating plate.
However, in the above arrangement, because there must be a space between each of the clamping positions or the concave-convex points, the air adjusting plate can only stay at a preset position compared with the air door plate, and no stepless adjustment of the air adjusting plate compared with the air door plate can be realized, and the mixing ratio of air and gas is limited.
Disclosure of Invention
Based on the above, it is necessary to provide a damper mechanism and a gas cooker capable of realizing stepless adjustment of the damper compared with the damper plate, aiming at the problem that the conventional constant damper plate can only stay at a preset position compared with the damper plate.
A damper mechanism comprising:
an ejector tube;
the air door plate is arranged at the air inlet end of the injection pipe and is provided with a first air inlet communicated with the injection pipe;
the air regulating plate is arranged on one side of the air door plate and is provided with a second air inlet which is at least partially overlapped with the first air inlet; and
the limiting piece is fixedly connected with one of the air regulating plate and the air door plate;
the air regulating plate is rotatably arranged around an axis relative to the air regulating plate, and the limiting piece is in friction fit with the other one of the air regulating plate and the air door plate.
In one embodiment, the limiting member is provided with a clamping position with an opening, and the periphery of one of the damper and the damper plate, which is not fixedly connected with the limiting member, is clamped in the clamping position from the opening.
In one embodiment, the limiting piece comprises a connecting end connected with the air adjusting plate and one of the air adjusting plates and a hanging end connected with the connecting end, and the hanging end of the limiting piece is bent towards a direction close to the connecting end to form the clamping position.
In one embodiment, the limiting piece is provided with a protruding portion on one side with the clamping position, and the protruding portion abuts against one of the air adjusting plate and the air door plate, which is not fixedly connected with the limiting piece.
In one embodiment, the air adjusting plate comprises a body and a handle connected with the body, the body is attached to the air door plate, the second air inlet is formed in the body, and the limiting piece is connected with the handle.
In one embodiment, the damper plate is disposed concentric with the damper plate.
In one embodiment, a first scale mark is arranged on one side of the air damper plate facing the air damper plate, and a second scale mark used for aligning with the first scale mark is arranged on one side of the air damper plate facing away from the air damper plate.
In one embodiment, the inner wall of the first air inlet is provided with a first spoiler along the circumferential direction, and the inner wall of the second air inlet is provided with a second spoiler along the circumferential direction.
In one embodiment, the air conditioner further comprises an air conveying piece, wherein the air conveying piece penetrates through the air regulating plate and the air door plate and is communicated with the injection pipe, and the air conveying piece is fixedly connected with the air door plate.
In one embodiment, the air conditioner further comprises an elastic pressing piece and a limiting boss, wherein the limiting boss is connected with the air conveying piece, and the elastic pressing piece is limited between the limiting boss and the air adjusting plate.
A gas cooker comprising a damper mechanism as claimed in any one of the preceding claims.
Above-mentioned air door mechanism and gas cooking utensils when the size of air inlet passageway (the coincidence volume of second air intake and first air intake) need be adjusted, make the air regulating plate compare in the air flap rotatory can, the relative positioning of air regulating plate and air door plant passes through the frictional force of locating part to realize, the air regulating plate compares in the air flap can stay in arbitrary default position when rotatory around above-mentioned axis, so realized the stepless regulation of air regulating plate compare in the air flap to make the mixing ratio of air and gas unrestricted, guaranteed that the burning of gas is abundant.
Drawings
FIG. 1 is a block diagram of a gas cooker according to an embodiment of the invention;
FIG. 2 is an enlarged view at A of the gas cooktop provided in FIG. 1;
FIG. 3 is a partial cross-sectional view of the gas cooktop provided in FIG. 1;
FIG. 4 is an enlarged view at B of the gas cooktop provided in FIG. 3;
FIG. 5 is a block diagram of a gas cooker stroke door panel provided in FIG. 1;
fig. 6 is a block diagram of an air damper in the gas cooker provided in fig. 1.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, an embodiment of the present invention provides a gas stove 100, which includes a gas stove base 10 and a damper mechanism 20, wherein the damper mechanism 20 is connected to the gas stove base 10 for adjusting a mixing ratio of gas and air entering the gas stove so that the gas can be fully combusted.
Specifically, the number of the fan mechanisms 20 is two, and the two fan mechanisms 20 are connected with the gas stove base 10. In other embodiments, the number of fan mechanisms 20 is not limited.
Referring to fig. 3-4, the damper mechanism 20 includes an ejector tube 21, a damper plate 22, a damper plate 23, and a gas delivery member 24.
Referring to fig. 5 and 6, the injection pipe 21 is connected with the gas stove base 10, the air door plate 22 is fixedly connected with the air inlet end of the injection pipe 21, a first air inlet 221 communicated with the injection pipe 21 is formed in the air door plate 22, the air regulating plate 23 is arranged on one side of the air door plate 22, specifically, the air regulating plate 23 is attached to one side of the air door plate 22, which is away from the injection pipe 21, a second air inlet 231 is formed in the air regulating plate 23, the second air inlet 231 is at least partially overlapped with the first air inlet 221 to form an air inlet channel a, and air enters the injection pipe 21 from the air inlet channel a.
The gas transmission piece 24 is arranged on the air regulation plate 23 and the air door plate 22 in a penetrating way and then communicated with the injection pipe 21, so that the gas is mixed with the air entering from the air inlet channel a in the injection pipe 21 for ignition after being sprayed from the gas transmission piece 24 to the injection pipe 21. Specifically, the air delivery member 24 is fixedly connected with the air door plate 22, the air regulating plate 23 is rotatable around an axis relative to the air delivery member 24, and the air delivery member 24 is fixedly connected with the air door plate 22, that is, the air regulating plate 23 is rotatable around the axis relative to the air door plate 22; meanwhile, since the air delivery member 24 is disposed in the air adjusting plate 23, the air adjusting plate 23 is limited on the air delivery member 24 in the first direction intersecting with the axial direction. The damper mechanism 20 further comprises a limiting piece 25, the limiting piece 25 is fixedly connected with the damper plate 23, and the limiting piece 25 is in friction fit with the damper plate 22.
According to the air door mechanism 20 provided by the embodiment, when the size of the air inlet channel a (the superposition amount of the second air inlet 231 and the first air inlet 221) needs to be regulated, the air regulating plate 23 rotates around an axis relative to the air door plate 22, and the relative positioning of the air regulating plate 23 and the air door plate 22 is realized through the friction force between the limiting piece 25 and the air door plate 22, so that the air regulating plate 23 can stay at any preset position when the air door plate 22 rotates around the axis, the stepless regulation of the air regulating plate 23 relative to the air door plate 22 is realized, the mixing ratio of air and fuel gas is not limited, and the full combustion of fuel gas is ensured.
Specifically, the damper plate 22 is annular, the axis is the central axis of the damper plate 22, the first direction is the radial direction of the damper plate 22, and the stepless adjustment is the stepless adjustment of the damper plate 23 along the circumferential direction compared with the damper plate 22. The axial direction is referred to hereinafter as the axial direction of the damper plate 22, and the circumferential direction is referred to hereinafter as the circumferential direction of the damper plate 22.
In another embodiment, the limiting member 25 is fixedly connected to the damper plate 22, and the limiting member 25 is fixed to the damper plate in a friction fit manner. This also allows a stepless adjustment of the damper plate 23 in the circumferential direction compared to the damper plate 22.
In one embodiment, the damper panels 22 of the two blower mechanisms 20 are integrally formed. It will be appreciated that in other embodiments, the damper plates 22 of the two blower mechanisms 20 may be provided separately, and are not limited herein.
Specifically, the ejector tube 21, the air door plate 22, the air adjusting plate 23 and the air conveying piece 24 are coaxially arranged, so that the gas sprayed out of the air conveying piece 24 is ensured to enter the ejector tube 21 along a straight line, and air is ensured to enter the ejector tube 21 along a direction parallel to the gas, and the combustion effect of the gas can be improved. More specifically, the ejector 21, the damper 22, the damper 23, and the air delivery member 24 are concentrically arranged.
With continued reference to fig. 5 and 6, in one embodiment, two first air inlets 221 of each air flap 22 are disposed opposite to each other and are located on two sides of the air delivery member 24. Correspondingly, two second air inlets 231 of each air regulating plate 23 are also arranged, and the two second air inlets 231 are oppositely arranged and are respectively positioned at two sides of the air conveying piece 24.
It will be appreciated that in other embodiments, the first air inlet 221 of each damper panel 22 may be three, four, or another number, without limitation. Accordingly, the second air inlets 231 of each damper 23 may also be three, four or other numbers, which are not limited herein.
Further, the inner wall of the first air inlet 221 is provided with a first spoiler 222 along the circumferential direction, and the inner wall of the second air inlet 231 is provided with a second spoiler 232 along the circumferential direction. When the air enters from the air inlet channel a, the first turbulence piece 222 and the second turbulence piece 232 form small turbulence for the air, so that the air and the fuel gas are fully mixed, and the effect of fully burning the fuel gas is achieved.
Specifically, the first spoiler 222 and the second spoiler 232 have a zigzag structure. In another embodiment, the first spoiler 222 and the second spoiler 232 may also have a wave-shaped structure, which is not limited herein.
In one embodiment, the damper 23 includes a main body 234 and a handle 235, the main body 234 is attached to the damper panel 22 and concentrically arranged, the second air inlet 231 is formed on the main body 234, and the handle 235 is connected to the main body 234.
Specifically, the body 234 is circular, and the handle 235 is elongated for easy handling. It is understood that in other embodiments, the shape of the body 234 and the handle 235 is not limited.
In one embodiment, the limiting member 25 is provided with a clamping position 251 having an opening 252, and the periphery of one of the damper plate 23 and the damper plate 22, which is not fixedly connected to the limiting member 25, is clamped in the clamping position 251 from the opening 252. Because the periphery of one of the damper plate 23 and the damper plate 22 which is not fixedly connected with the limiting piece 25 is clamped in the clamping position 251, the mutual fixation of the damper plate 23 and the damper plate 22 after the damper plate rotates around the axis is further ensured.
In one embodiment, the stop 25 is coupled to the handle 235 and the opening of the stop 25 is disposed facing the body 234. Specifically, the limiting member 25 includes a connection end connected with the handle 235 and a suspension end connected with the connection end, the suspension end of the limiting member 25 is bent towards a direction close to the connection end to form the clamping position 251, at this time, the clamping position 251 is in a U shape, an opening of the U shape is an opening 252 of the clamping position 251, and the limiting member 25 is clamped on the air door panel 22 through the opening 252. It should be understood that in other embodiments, the clamping portion 251 may not be configured as a U-shape, such as a V-shape, which is not limited herein.
In another embodiment, when the limiting member 25 is connected to the damper 22, the clamping position 251 is formed in the same manner as the above embodiment, and will not be described in detail herein.
In order to facilitate the axial limit of the damper plate 23 compared with the damper plate 22, the limiting piece 25 is provided with a protruding portion 253 on one side with a clamping position 251, and the protruding portion 253 is abutted against the damper plate 22 along the axial direction. When the limiting piece 25 is fixedly connected with the damper plate 22, the protruding portion 253 axially abuts against the damper plate 23.
In one embodiment, a first scale mark 223 is disposed on a side of the damper plate 22 facing the damper plate 23, a second scale mark 233 is disposed on a side of the body 234 facing away from the damper plate 22, and the second scale mark 233 is used for aligning with the first scale mark 223, so that human eyes can observe conveniently when the damper plate 23 is rotated, and accurate alignment of the damper plate 23 and the damper plate 22 is ensured.
In one embodiment, the air moving member 24 is threadably coupled to the damper plate 22 to facilitate installation and removal of the air moving member 24 relative to the damper plate 22. Specifically, the air delivery member 24 includes an air delivery pipe 241 and a nozzle 242, the nozzle 242 is mounted at an end of the air delivery pipe 241, and the nozzle 242 concentrically penetrates through the air conditioning plate 23 and the air flap 22 and is communicated with the injection pipe 21, and the nozzle 242 is in threaded connection with the air flap 22.
Referring back to fig. 2, the damper mechanism 20 further includes an elastic pressing member 27 and a limiting boss 26, the limiting boss 26 is connected with the nozzle 242, and the elastic pressing member 27 is axially limited between the limiting boss 26 and the damper 23. When the damper 23 is required to rotate, a force is applied to the damper 23, the damper 23 applies a certain force to the elastic pressing member 27 to cause the elastic pressing member 27 to compress, and when the damper 23 rotates to a proper position, the elastic pressing member 27 stretches and applies a force to the damper 23 in the axial direction to make the damper 23 closely fit to the damper 22 in the axial direction.
Specifically, the limiting boss 26 is integrally formed with the nozzle 242. It will be appreciated that in other embodiments, the stop boss 26 may be integrally provided with the nozzle 242.
Specifically, the elastic pressing member 27 is a spring. It will be appreciated that in other embodiments, the elastic pressing member 27 may be an elastic rubber ring, which is not limited herein.
An embodiment of the present invention further provides a damper mechanism 20 included in the gas stove 100.
The air door mechanism 20 and the gas stove 100 provided by the embodiment of the invention have the following beneficial effects:
1. the relative positioning of the air regulating plate 23 and the air door plate 22 is realized by the clamping force and the friction force of the limiting piece 25, the positioning is not required by a clamping position or an concave convex point with a fixed distance, the air inlet channel a formed by the rotation of the air regulating plate 23 and the air door plate 22 can be adjusted to any value within the minimum to maximum range, the optimal ratio of fuel gas and air is achieved, and the requirement of full combustion of the fuel gas is met;
2. when a user adjusts the rotation angle of the air regulating plate 23 and the air regulating plate 22, the second scale mark 233 and the first scale mark 223 are visually observed so as to facilitate accurate alignment;
3. when air enters the injection pipe 21 from the air inlet channel a, the first turbulence piece 222 and the second turbulence piece 232 generate small turbulence on the air, so that the full mixing of fuel gas and air is promoted, the effect of full combustion of the fuel gas is achieved, and energy is saved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (8)

1. A damper mechanism (20), comprising:
an ejector tube (21);
the air door plate (22) is arranged at the air inlet end of the injection pipe (21) and is provided with a first air inlet (221) communicated with the injection pipe (21);
the air regulating plate (23) is arranged on one side of the air regulating plate (22) and is provided with a second air inlet (231) which is at least partially overlapped with the first air inlet (221); and
the limiting piece (25) is fixedly connected with one of the air regulating plate (23) and the air door plate (22);
wherein the air regulating plate (23) is rotatably arranged around an axis relative to the air regulating plate (22), and the limiting piece (25) is in friction fit with the other one of the air regulating plate (23) and the air regulating plate (22);
the limiting piece (25) is provided with a clamping position (251) with an opening (252), and the periphery of one of the air regulating plate (23) and the air door plate (22) which is not fixedly connected with the limiting piece (25) is clamped in the clamping position (251) from the opening (252);
the limiting piece (25) comprises a connecting end connected with one of the air regulating plates (23) and the air door plates (22) and a hanging end connected with the connecting end, and the hanging end of the limiting piece (25) is bent towards the direction close to the connecting end to form the clamping position (251);
the limiting piece (25) is provided with a protruding portion (253) on one side with the clamping position (251), and the protruding portion (253) is abutted to one of the air regulating plate (23) and the air door plate (22) which is not fixedly connected with the limiting piece (25).
2. The damper mechanism (20) of claim 1, wherein the damper (23) includes a body (234) and a handle (235) connected to the body (234), the body (234) is attached to the damper plate (22), the second air inlet (231) is formed in the body (234), and the limiting member (25) is connected to the handle (235).
3. The damper mechanism (20) of claim 1, wherein the damper plate (23) is disposed concentric with the damper plate (22).
4. A damper mechanism (20) according to claim 3, characterized in that a side of the damper plate (22) facing the damper plate (23) is provided with a first scale marking (223), and a side of the damper plate (23) facing away from the damper plate (22) is provided with a second scale marking (233) for registering with the first scale marking (223).
5. The damper mechanism (20) of claim 1, wherein an inner wall of the first air intake (221) is circumferentially provided with a first spoiler (222), and an inner wall of the second air intake (231) is circumferentially provided with a second spoiler (232).
6. The damper mechanism (20) of claim 1, further comprising a gas delivery member (24), wherein the gas delivery member (24) is disposed through the damper plate (23) and the damper plate (22) and is in communication with the ejector tube (21), and wherein the gas delivery member (24) is fixedly connected to the damper plate (22).
7. The damper mechanism (20) of claim 6, further comprising a resilient compression member (27) and a spacing boss (26), the spacing boss (26) being connected to the air delivery member (24), the resilient compression member (27) being located between the spacing boss (26) and the damper (23).
8. A gas hob (100) characterized in, that it comprises a damper mechanism (20) according to any one of the claims 1-7.
CN201811354923.1A 2018-11-14 2018-11-14 Air door mechanism and gas stove Active CN109282322B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811354923.1A CN109282322B (en) 2018-11-14 2018-11-14 Air door mechanism and gas stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811354923.1A CN109282322B (en) 2018-11-14 2018-11-14 Air door mechanism and gas stove

Publications (2)

Publication Number Publication Date
CN109282322A CN109282322A (en) 2019-01-29
CN109282322B true CN109282322B (en) 2024-04-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811354923.1A Active CN109282322B (en) 2018-11-14 2018-11-14 Air door mechanism and gas stove

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CN (1) CN109282322B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200266564Y1 (en) * 2001-10-25 2002-02-28 노복수 Storing apparatus for gas range
CN2771662Y (en) * 2005-04-07 2006-04-12 中山华帝燃具股份有限公司 Gas range air conditioner
CN203671668U (en) * 2013-12-14 2014-06-25 岩谷气具(珠海)有限公司 Collar clamp type igniting needle fixing device of portable furnace
KR20150050750A (en) * 2013-10-31 2015-05-11 린나이코리아 주식회사 the top board combination structure of gas range
CN209101339U (en) * 2018-11-14 2019-07-12 珠海格力电器股份有限公司 Air door mechanism and gas stove

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200266564Y1 (en) * 2001-10-25 2002-02-28 노복수 Storing apparatus for gas range
CN2771662Y (en) * 2005-04-07 2006-04-12 中山华帝燃具股份有限公司 Gas range air conditioner
KR20150050750A (en) * 2013-10-31 2015-05-11 린나이코리아 주식회사 the top board combination structure of gas range
CN203671668U (en) * 2013-12-14 2014-06-25 岩谷气具(珠海)有限公司 Collar clamp type igniting needle fixing device of portable furnace
CN209101339U (en) * 2018-11-14 2019-07-12 珠海格力电器股份有限公司 Air door mechanism and gas stove

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