Burners and gas stoves

Abstract

The present invention provides a burner and a gas cooker. The burner includes a fire cover, a gas mixing chamber, and a plurality of rotating plates. The gas mixing chamber has a gas passage. The fire cover is located above the gas mixing chamber. The plurality of rotating plates are located between the fire cover and the gas mixing chamber. The two ends of the rotating plates are rotatably connected to the fire cover and the gas mixing chamber, respectively, so that the fire cover can fit in the gas mixing chamber and close the gas passage, thereby having a fire hole closed state, or a gap is formed between the fire cover and the gas mixing chamber, thereby forming a gas outlet fire hole, thereby having a fire hole open state. The fire cover is arranged above the gas mixing chamber. The rotating plates rotate to achieve the fire cover fitting in the gas mixing chamber to close the fire hole, thereby preventing foreign matter from falling into the fire hole and gas from overflowing, thereby improving the service life of the fire hole and improving safety. The gap is formed between the fire cover and the gas mixing chamber to form a gas outlet fire hole, thereby opening the fire hole. During the process of the fire cover fitting in the gas mixing chamber, the shape and size of the fire hole are changed and some debris is cleaned, thereby facilitating cleaning of the fire hole. The fire hole structure is simple, thereby reducing manufacturing difficulty and manufacturing cost.

Description

Technical Field

[0001] The present invention relates to the field of stoves, and in particular to a burner and a gas stove. Background Art

[0002] Gas stoves are common kitchen appliances in our daily lives. The flame hole, as a core component, directly impacts the overall performance of the gas stove. However, existing flame covers are difficult to adjust in terms of shape, size, opening, and closing. Furthermore, the flame hole is typically open and upward, leaving it exposed to the elements when not in use. This can easily lead to foreign objects entering the flame hole, making it difficult to clean and contaminate it. It can also easily lead to gas spillage, shortening its lifespan and posing a safety hazard. Furthermore, existing circular or slotted flame holes are difficult and costly to manufacture. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the defects in the prior art that it is difficult to change the shape, size, opening and closing of the fire hole, the fire hole is set to be open upward, which easily leads to foreign objects falling into it, is difficult to clean, and contaminates the fire hole, and is also prone to gas overflow, which reduces the service life of the fire hole and also brings safety hazards. The fire hole is difficult to manufacture and the cost is relatively high. A burner and a gas stove are provided.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] A burner comprises a fire cover, an air mixing chamber and several rotating plates, wherein the air mixing chamber has a gas channel, the fire cover is located above the air mixing chamber, and the several rotating plates are located between the fire cover and the air mixing chamber, and the two ends of the rotating plates are rotatably connected to the fire cover and the air mixing chamber respectively, so that the fire cover can fit into the air mixing chamber and close the gas channel and have a fire hole closed state, or there is a gap between the fire cover and the air mixing chamber to form an air outlet fire hole and have a fire hole open state.

[0006] In this solution, a number of rotating plates are arranged between the fire cover and the gas mixing chamber, and the two ends of the rotating plates are rotatably connected to the fire cover and the gas mixing chamber respectively, so that the fire cover can drive the rotating plates to rotate and drive the rotating plates to rotate relative to the gas mixing chamber. Through the rotation of the rotating plates, the fire cover and the gas mixing chamber are fitted together, the gas channel is closed to close the fire hole, or a gap is formed between the fire cover and the gas mixing chamber to form an outlet fire hole to open the fire hole. As the rotating plates rotate, the shape and size of the rotating plates change, that is, the shape and size of the fire hole change. When the fire hole is in the closing process, some debris is cleaned by the fire cover fitting the mixing chamber, which facilitates the cleaning of the fire hole; when the fire hole is in the closed state, the fire cover fits the mixing chamber to prevent foreign matter from falling into the fire hole, prevent gas overflow, increase the service life of the fire hole, and increase safety; when the fire hole is in the open state, since the gas channel is arranged in the mixing chamber and the fire cover is arranged above the mixing chamber, it can also reduce foreign matter from falling into the fire hole, and since gaps are formed between the fire cover, the mixing chamber, and the rotating plate to form a gas outlet fire hole, the structure is simple, and the manufacturing difficulty and manufacturing cost are also reduced.

[0007] Preferably, the fire cover is provided with a plurality of first rotating connecting parts, the gas mixing chamber is correspondingly provided with a plurality of second rotating connecting parts, and both ends of the rotating piece are respectively connected to the corresponding first rotating connecting parts and the second rotating connecting parts.

[0008] In this solution, a number of first rotating connections are provided on the fire cover, and a number of second rotating connections are provided corresponding to the air mixing chamber. The two ends of the rotating plate are respectively connected to the corresponding first rotating connection and the second rotating connection, so that the rotating plate can rotate relative to the fire cover and the air mixing chamber. When the fire cover is lifted and lowered and moved left and right, it can drive the rotating plate to rotate. By providing a number of rotating plates and a number of first rotating connections and second rotating connections, the connection structure of the fire cover and the air mixing chamber can be made more stable, and the movement process of the fire cover can be smoother.

[0009] Preferably, a sealing protrusion is provided on the periphery of the gas channel, and the height of the sealing protrusion matches the height dimension of the rotating plate. When the fire hole is closed, the fire cover is sealed and fits against the sealing protrusion. The positions of the mixing chamber and the fire cover corresponding to the rotating plate are provided with grooves for accommodating the rotating plate, so that the bottom surface of the fire cover and the top surface of the mixing chamber are closely fitted to each other.

[0010] In this solution, a sealing protrusion is provided on the periphery of the gas channel, and the fire cover is sealed in contact with the sealing protrusion. Grooves for accommodating the rotating plate are provided at positions corresponding to the rotating plate on the mixing chamber and the fire cover, so that the bottom surface of the fire cover and the top surface of the mixing chamber are closely fitted to each other. The fire cover is sealed in contact with the sealing protrusion, and the fire cover is also fitted to the mixing chamber at the same time. Under the double fitting effect, the fire hole is well sealed, and at the same time, it prevents gas leakage and pollutants from falling into the fire hole.

[0011] Preferably, the rotating piece is square.

[0012] In this solution, the rotating piece is square, which can make the fitting surface between the rotating piece, the fire cover and the gas mixing chamber larger, and make the fire hole more airtight.

[0013] Preferably, the burner further comprises a driving mechanism, which is connected to the fire cover and is used to drive the fire cover to move up and down.

[0014] In this solution, a driving mechanism is provided, which is connected to the fire cover, so that the driving mechanism can drive the fire cover to rise and fall and move left and right, thereby driving the rotation of the rotating piece, thereby changing the shape, size and opening and closing state of the fire hole.

[0015] Preferably, the driving mechanism is located in the gas channel.

[0016] In this solution, the driving mechanism is arranged in the gas channel, which saves the installation space of the entire burner and at the same time reduces the contamination of the driving mechanism by falling debris, thereby increasing the service life of the driving mechanism.

[0017] Preferably, the driving mechanism includes a driving motor and a connecting member, one end of the connecting member is connected to the driving motor, and the other end is connected to the fire cover.

[0018] In this solution, a driving motor and a connecting piece are used. One end of the connecting piece is connected to the driving motor, and the other end is connected to the fire cover. The driving motor can drive the connecting piece to move, thereby driving the fire cover to move up and down.

[0019] Preferably, the connecting member includes an eccentric wheel and a connecting rod, one end of the eccentric wheel is connected to the drive motor, the other end of the eccentric wheel is connected to one end of the connecting rod, and the other end of the connecting rod is connected to the fire cover.

[0020] In this solution, the connecting member is provided with an eccentric wheel and a connecting rod. The rotational movement of the eccentric wheel can drive the fire cover to move up and down and left and right, thereby realizing complex movement through a simple structure.

[0021] Preferably, the burner includes a linkage mechanism, one end of which is connected to the fire cover, and the other end of which extends outward and is exposed on the outer surfaces of the fire cover and the gas mixing chamber.

[0022] In this solution, a linkage mechanism is provided with one end connected to the fire cover, and the other end extending outward and exposed on the outer surface of the fire cover and the gas mixing chamber. The linkage mechanism can be manually controlled to drive the fire cover to move up and down, saving energy and being environmentally friendly.

[0023] Preferably, the linkage mechanism is provided with a plurality of adjustment parts, and the plurality of adjustment parts are exposed on the outer surfaces of the fire cover and the gas mixing chamber, and the plurality of adjustment parts are respectively used to control the linkage mechanism so that the fire cover is in different positions.

[0024] In this solution, an adjustment portion is provided on the linkage mechanism and exposed on the outer surface of the fire cover and the gas mixing chamber, so that the position of the adjustment portion can be conveniently selected, and the adjustment of different positions of the fire cover can be better realized to meet the user's needs for using flames.

[0025] Preferably, the burner further comprises a bracket, which comprises a mounting base and a plurality of legs, the fire cover, the air mixing chamber and the plurality of rotating plates are all located in the bracket, the plurality of legs are all mounted on the mounting base, and the air mixing chamber is mounted on the mounting base.

[0026] In this solution, a bracket is provided with a mounting base and several supporting legs. The fire cover, the gas mixing chamber and the rotating plate are all located in the bracket, which is convenient for the overall installation of the burner. The several supporting legs and the gas mixing chamber are all installed on the mounting base, which is convenient for fixing the relative positions of the supporting legs and the gas mixing chamber, making the working environment of the gas more stable when using gas.

[0027] The present invention further provides a gas cooker, which is characterized in that the gas cooker includes the burner described above.

[0028] On the basis of conforming to the common sense in this field, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0029] The positive progressive effect of the present invention is that: in this scheme, by arranging a number of rotating plates between the fire cover and the gas mixing chamber, the two ends of the rotating plates are rotatably connected to the fire cover and the gas mixing chamber respectively, so that the fire cover can drive the rotating plates to rotate and drive the rotating plates to rotate relative to the gas mixing chamber. Through the rotation of the rotating plates, the fire cover and the gas mixing chamber are fitted together, the gas channel is closed to close the fire hole, or a gap is formed between the fire cover and the gas mixing chamber to form an outlet fire hole to open the fire hole. As the rotating plates rotate, the shape and size between the rotating plates change, that is, the shape and size of the fire hole change. When the fire hole is in the closing process, some debris is cleaned by the fire cover fitting the mixing chamber, which facilitates the cleaning of the fire hole; when the fire hole is in the closed state, the fire cover fits the mixing chamber to prevent foreign matter from falling into the fire hole, prevent gas overflow, increase the service life of the fire hole, and increase safety; when the fire hole is in the open state, since the gas channel is arranged in the mixing chamber and the fire cover is arranged above the mixing chamber, it can also reduce foreign matter from falling into the fire hole, and since gaps are formed between the fire cover, the mixing chamber, and the rotating plate to form a gas outlet fire hole, the structure is simple, and the manufacturing difficulty and manufacturing cost are also reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the three-dimensional structure of the burner of the present invention.

[0031] Figure 2 It is a cross-sectional view of the burner of the present invention.

[0032] Figure 3 This is a schematic diagram of the burner of the present invention in the open state of the fire hole.

[0033] Figure 4 This is a schematic diagram of the burner of the present invention in a closed fire hole state.

[0034] Description of reference numerals:

[0035] Fire cover 1

[0036] Mixing chamber 2

[0037] Rotating piece 3

[0038] Drive mechanism 4

[0039] Bracket 5

[0040] First rotating connection part 11

[0041] Gas channel 21

[0042] Second rotating connection part 22

[0043] Sealing protrusion 23

[0044] Drive motor 41

[0045] Connector 42

[0046] Eccentric wheel 421

[0047] Connecting rod 422

[0048] Installing base plate 51

[0049] Leg 52 DETAILED DESCRIPTION

[0050] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0051] This embodiment discloses a burner, such as Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the burner includes a fire cover 1, an air mixing chamber 2 and a plurality of rotating plates 3, the air mixing chamber 2 having a gas channel 21, the fire cover 1 is located above the air mixing chamber 2, the plurality of rotating plates 3 are located between the fire cover 1 and the air mixing chamber 2, and the two ends of the rotating plates 3 are rotatably connected to the fire cover 1 and the air mixing chamber 2, respectively, so that the fire cover 1 can fit into the air mixing chamber 2 and close the gas channel 21 and have a fire hole closed state, or there is a gap between the fire cover 1 and the air mixing chamber 2 and a gas outlet fire hole is formed and the fire hole is open.

[0052] In this embodiment, a plurality of rotating plates 3 are provided between the fire cover 1 and the gas mixing chamber 2, and the two ends of the rotating plates 3 are rotatably connected to the fire cover 1 and the gas mixing chamber 2, respectively, so that the fire cover 1 can drive the rotating plates 3 to rotate and drive the rotating plates 3 to rotate relative to the gas mixing chamber 2. Through the rotation of the rotating plates 3, the fire cover 1 and the gas mixing chamber 2 are fitted together, the gas channel 21 is closed to close the fire hole, or a gap is formed between the fire cover 1 and the gas mixing chamber 2 to form an outlet fire hole to open the fire hole. When the rotating plates 3 rotate, the shape and size of the rotating plates 3 change, that is, the shape and size of the fire hole change. When in the closing process, some debris is cleaned by the fire cover 1 fitting the mixing chamber 2, which facilitates the cleaning of the fire hole; when the fire hole is in the closed state, the fire cover 1 fits the mixing chamber 2 to prevent foreign matter from falling into the fire hole, prevent gas overflow, increase the service life of the fire hole, and increase safety; when the fire hole is in the open state, since the gas channel 21 is arranged in the mixing chamber 2 and the fire cover 1 is arranged above the mixing chamber 2, it can also reduce foreign matter from falling into the fire hole, and since gaps are formed between the fire cover 1, the mixing chamber 2, and the rotating plate 3 to form a gas outlet fire hole, the structure is simple, and the manufacturing difficulty and manufacturing cost are also reduced.

[0053] like Figure 1 As shown, the fire cover 1 is provided with a plurality of first rotating connecting parts 11, the gas mixing chamber 2 is correspondingly provided with a plurality of second rotating connecting parts 22, and the two ends of the rotating piece 3 are respectively connected to the corresponding first rotating connecting parts 11 and the second rotating connecting parts 22.

[0054] In this embodiment, a plurality of first rotating connecting parts 11 are arranged on the fire cover 1, and a plurality of second rotating connecting parts 22 are correspondingly arranged on the mixing chamber 2. The two ends of the rotating piece 3 are respectively connected to the corresponding first rotating connecting parts 11 and the second rotating connecting parts 22, so that the rotating piece 3 can rotate relative to the fire cover 1 and the mixing chamber 2. When the fire cover 1 is lifted and lowered and moved left and right, it can drive the rotating piece 3 to rotate. By providing a plurality of rotating pieces 3 and a plurality of first rotating connecting parts 11 and second rotating connecting parts 22, the connection structure of the fire cover 1 and the mixing chamber 2 can be made more stable, and the movement process of the fire cover 1 can be smoother. Specifically, the first rotating connection part 11 and the second rotating connection part 22 can respectively protrude from the fire cover 1 and the air mixing chamber 2, and notches are respectively provided in the middle of the raised first rotating connection part 11 and the second rotating connection part 22, and shaft sleeves are provided at both ends of the notches; the first rotating connection part 11 and the second rotating connection part 22 can also be respectively arranged inside the fire cover 1 and the air mixing chamber 2, and recessed notches are correspondingly provided on the fire cover 1 and the air mixing chamber 2, and shaft sleeves are provided at both ends of the recessed notches, and hinge shafts are respectively provided at both ends of the rotating piece 3, so that the two ends of the rotating piece 3 form hinge connections with the fire cover 1 and the air mixing chamber 2 respectively. The above two protruding and recessed settings of the first rotating connection part 11 and the second rotating connection part 22 can also be used in combination according to actual needs.

[0055] like Figure 1 As shown, a sealing protrusion 23 is provided on the periphery of the gas channel 21, and the height of the sealing protrusion 23 matches the height of the rotating piece 3. When the fire hole is closed, the fire cover 1 is sealed and fits against the sealing protrusion 23. The positions of the mixing chamber 2 and the fire cover 1 corresponding to the rotating piece 3 are provided with grooves for accommodating the rotating piece 3, so that the bottom surface of the fire cover 1 and the top surface of the mixing chamber 2 are closely fitted to each other.

[0056] In this embodiment, a sealing protrusion 23 is provided on the periphery of the gas passage 21, and the fire cover 1 is sealed against the sealing protrusion 23. A groove for accommodating the rotating piece 3 is provided on the gas mixing chamber 2 and the fire cover 1 at positions corresponding to the rotating piece 3. This ensures that the bottom surface of the fire cover 1 and the top surface of the gas mixing chamber 2 are closely aligned with each other. The fire cover 1 is sealed against the sealing protrusion 23, and the fire cover 1 is also aligned with the gas mixing chamber 2. This dual bonding effect effectively seals the fire hole and prevents gas leakage and contaminants from entering the fire hole. The sealing protrusions 23 can also be provided only on the left and right sides of the gas passage 21 and the left and right sides of the gas mixing chamber 2.

[0057] like Figure 1 As shown, the rotating piece 3 is square.

[0058] In this embodiment, the rotating piece 3 is square, and the contact surface between the fire cover 1 and the gas mixing chamber 2 is also flat. This allows the rotating piece 3 to have a larger contact surface with the fire cover 1 and the gas mixing chamber 2, resulting in a tighter contact and better sealing of the fire hole. The rotating piece 3 can also be designed in a cylindrical shape, a waist-shaped cross-section, an elliptical shape, or other three-dimensional shape that can achieve the rotary sealing function.

[0059] like Figure 2 As shown, the burner further includes a driving mechanism 4, which is connected to the fire cover 1 and is used to drive the fire cover 1 to move up and down.

[0060] In this embodiment, a driving mechanism 4 is provided, which is connected to the fire cover 1, so that the driving mechanism 4 can drive the fire cover 1 to rise and fall and move left and right, thereby driving the rotation of the rotating piece 3, thereby changing the shape, size and opening and closing state of the fire hole.

[0061] In another embodiment, the driving mechanism 4 can also be connected to the rotating piece 3, and the rotation of the rotating piece 3 drives the fire cover 1 to move, thereby changing the shape, size, opening and closing state of the fire hole.

[0062] like Figure 2 As shown, the driving mechanism 4 is located in the gas channel 21 .

[0063] In this embodiment, the driving mechanism 4 is arranged in the gas channel 21, which saves the installation space of the entire burner and can also reduce the contamination of the driving mechanism 4 by falling debris, thereby increasing the service life of the driving mechanism 4.

[0064] In another embodiment, the driving mechanism 4 may be placed outside the gas channel 21 as needed, which may facilitate separate maintenance of the driving mechanism 4 .

[0065] like Figure 2 As shown, the driving mechanism 4 includes a driving motor 41 and a connecting member 42 , one end of the connecting member 42 is connected to the driving motor 41 , and the other end is connected to the fire cover 1 .

[0066] In this embodiment, a drive motor 41 and a connector 42 are used. One end of the connector 42 is connected to the drive motor 41, and the other end is connected to the fire cover 1. The drive motor 41 can drive the connector 42 to move, thereby driving the fire cover 1 to move up and down. The drive mechanism 4 can also be driven by a cylinder, a hydraulic drive, etc., and a slide groove is provided on the fire cover 1 for the left and right movement of the connector 42. The up and down movement of the cylinder or hydraulic cylinder drives the connector 42 to move, thereby driving the fire cover 1 to move up and down.

[0067] like Figure 2As shown, the connecting member 42 includes an eccentric wheel 421 and a connecting rod 422. One end of the eccentric wheel 421 is connected to the driving motor 41, and the other end of the eccentric wheel 421 is connected to one end of the connecting rod 422. The other end of the connecting rod 422 is connected to the fire cover 1.

[0068] In this embodiment, the connecting member 42 is provided with an eccentric wheel 421 and a connecting rod 422. The rotational movement of the eccentric wheel 421 can drive the fire cover 1 to move up and down and move left and right, thereby realizing complex movements through a simple structure. Specifically, the bottom surface of one end of the eccentric wheel 421 is fixedly connected to the drive motor 41, and the bottom surface of the other end of the eccentric wheel 421 is fixedly connected to one end of the connecting rod 422. The connection part between the eccentric wheel 421 and the drive motor 41 and the connection part between the eccentric wheel 421 and the connecting rod 422 are respectively located in opposite directions of different bottom surfaces of the eccentric wheel 421. The axis of the drive motor 41 is in the front-to-back direction and is perpendicular to the left-right movement direction of the fire cover 1.

[0069] The burner includes a linkage mechanism, one end of which is connected to the fire cover 1 , and the other end of which extends outward and is exposed on the outer surfaces of the fire cover 1 and the gas mixing chamber 2 .

[0070] In this embodiment, a linkage mechanism is provided with one end connected to the fire cover 1 and the other end extending outward and exposed to the outer surfaces of the fire cover 1 and the gas mixing chamber 2. The linkage mechanism can be manually controlled to drive the fire cover 1 to move up and down, thereby saving energy and being environmentally friendly. The linkage mechanism can be a connecting rod, one end of which is connected to the fire cover 1 and the other end of which is exposed to the outer surfaces of the fire cover 1 and the gas mixing chamber 2. By manually pulling the other end of the connecting rod, the connecting rod moves left and right and up and down, thereby driving the fire cover 1 to move up and down.

[0071] The linkage mechanism is provided with a plurality of adjustment parts, all of which are exposed on the outer surfaces of the fire cover 1 and the gas mixing chamber 2 , and the plurality of adjustment parts are respectively used to control the linkage mechanism so that the fire cover 1 is in different positions.

[0072] In this embodiment, an adjustment portion is provided on the linkage mechanism and exposed on the outer surfaces of the fire cover 1 and the gas mixing chamber 2, so that the position of the adjustment portion can be conveniently selected, and the adjustment of different positions of the fire cover 1 can be better realized to meet the user's needs for using flames.

[0073] In one embodiment, when the linkage mechanism is a connecting rod, the other end of the connecting rod exposed to the outer surface of the fire cover 1 and the gas mixing chamber 2 can be set into several steps, and the adjustment part can be a barb set at the raised turning part of each step or a groove set on the step surface for positioning the connecting rod. When the connecting rod is fixed at different step positions, it can drive the fire cover 1 to be located at different positions, and drive the rotation of the rotating piece 3 to adjust the size and shape of the fire hole as well as the opening and closing.

[0074] In another embodiment, one end of the connecting rod can also be fixedly connected to the rotating plate 3, and the other end of the connecting rod is exposed to the outer surface of the fire cover 1 and the gas mixing chamber 2, forming a step shape between the two ends. The other end of the connecting rod can be manually rotated to drive the rotation of the rotating plate 3, thereby driving the fire cover 1 to move up and down to adjust the size and shape of the fire hole and open and close it.

[0075] like Figure 1 As shown, the burner also includes a bracket 5, which includes a mounting base 51 and a plurality of legs 52. The fire cover 1, the mixing chamber 2 and the plurality of rotating plates 3 are all located in the bracket 5, the plurality of legs 52 are all mounted on the mounting base 51, and the mixing chamber 2 is mounted on the mounting base 51.

[0076] In this embodiment, a bracket 5 is provided, on which a mounting base 51 and a plurality of legs 52 are provided. The fire cover 1, the gas mixing chamber 2 and the rotating plate 3 are all located in the bracket 5, which is convenient for the overall installation of the burner. The plurality of legs 52 and the gas mixing chamber 2 are all installed on the mounting base 51, which is convenient for fixing the relative positions of the legs 52 and the gas mixing chamber 2, making the working environment of the gas more stable when using gas.

[0077] This embodiment also discloses a gas cooker, which includes the burner as described above.

[0078] Although specific embodiments of the present invention have been described above, those skilled in the art will appreciate that these are merely illustrative and that the scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications are intended to fall within the scope of the present invention.

Claims

1. A burner, characterized in that: It comprises a fire cover, an air mixing chamber and a plurality of rotating plates, wherein the air mixing chamber has a gas passage, the fire cover is located above the air mixing chamber, and the plurality of rotating plates are located between the fire cover and the air mixing chamber, and the two ends of the rotating plates are rotatably connected to the fire cover and the air mixing chamber, respectively, so that the fire cover can fit in the air mixing chamber and close the gas passage, thus achieving a fire hole closed state, or a gap is formed between the fire cover and the air mixing chamber to form a gas outlet fire hole, thus achieving a fire hole open state; The fire cover is provided with a plurality of first rotating connecting parts, the gas mixing chamber is provided with a plurality of second rotating connecting parts correspondingly, and the two ends of the rotating piece are respectively connected to the corresponding first rotating connecting parts and the second rotating connecting parts; The burner includes a linkage mechanism, one end of which is connected to the fire cover, and the other end of which extends outward and is exposed on the outer surface of the fire cover and the gas mixing chamber; The linkage mechanism is provided with a plurality of adjustment parts, and the plurality of adjustment parts are exposed on the outer surfaces of the fire cover and the gas mixing chamber, and the plurality of adjustment parts are respectively used to control the linkage mechanism so that the fire cover is in different positions.

2. The burner according to claim 1, characterized in that: A sealing protrusion is provided on the periphery of the gas channel, and the height of the sealing protrusion matches the height of the rotating plate. When the fire hole is closed, the fire cover is sealed and fits against the sealing protrusion. The positions of the mixing chamber and the fire cover corresponding to the rotating plate are provided with grooves for accommodating the rotating plate, so that the bottom surface of the fire cover and the top surface of the mixing chamber are closely fitted to each other.

3. The burner according to claim 1, wherein: The rotating piece is square.

4. The burner according to any one of claims 1 to 3, characterized in that: The burner further comprises a driving mechanism, which is connected to the fire cover and is used to drive the fire cover to move up and down.

5. The burner according to claim 4, characterized in that: The driving mechanism is located in the gas channel.

6. The burner according to claim 4, characterized in that: The driving mechanism includes a driving motor and a connecting piece, one end of the connecting piece is connected to the driving motor, and the other end is connected to the fire cover.

7. The burner according to claim 6, characterized in that: The connecting member includes an eccentric wheel and a connecting rod, one end of the eccentric wheel is connected to the driving motor, the other end of the eccentric wheel is connected to one end of the connecting rod, and the other end of the connecting rod is connected to the fire cover.

8. The burner according to claim 1, wherein: The burner also includes a bracket, which includes a mounting base and several supporting legs. The fire cover, the air mixing chamber and several rotating plates are all located in the bracket, the several supporting legs are all installed on the mounting base, and the air mixing chamber is installed on the mounting base.

9. A gas cooker, characterized in that: It comprises the burner according to any one of claims 1-8.

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