CN217684999U - Burner for gas stove - Google Patents

Abstract

The utility model relates to a combustor for gas-cooker, the combustor sets up including the base the central channel at the central point of base, this central channel is opening tubular structure up to the central channel coats and is stamped inner ring fire lid, its characterized in that: the inner ring fire lid is including annular wall and the open lid in the top of this annular wall of cover, and the wall portion that the annular wall is close to its bottom has the rampart of inside extension and the chimb that upwards extends by the inward flange of this rampart, has the interval between chimb and the annular wall, is provided with first elastic component in the interval, compares with prior art, the utility model has the advantages of: when the pan was placed on central channel, the drive division received pressure downstream, drove the lid downstream simultaneously to avoid the inner ring lid to be pressed the fire in order to cook, when the pan was mentioned and leaves central channel, the drive division is upwards removed again under the answer effect of first elastic component, has realized avoiding pressing the purpose of fire.

Description

Burner for gas stove

Technical Field

The utility model relates to a gas-cooker field, concretely relates to carry a pot and close combustor for gas-cooker of fire.

Background

Present big desk-top stir-fry kitchen, middling pressure stir-fry kitchen often need open earlier gas, and the work such as just can normally burn, fry is opened air feed system at last to the reuse firing rod or burning torch, and the operation is very inconvenient to during the interval of adding condiments, sabot and repeated operation, the stove fire is still burning constantly, and oil gas fuel's waste is very big, and air feed system also does not stop work, causes the waste of electricity. Therefore, the applicant applies for a chinese utility model patent with patent number ZL202021025751.6 (publication number CN 213237521U) to disclose a burner, which comprises a base, a central channel with an upward opening and a cylindrical structure, the central channel is arranged at the central part of the base, an outer ring gas channel is further arranged at the peripheral part of the central channel of the base, the outer ring gas channel is arranged on the outer ring gas channel and forms an outer ring gas mixing chamber, the burner further comprises a moving part arranged in the central channel and a peripheral shielding part for shielding the main fire part, the moving part can be directly triggered under the action of placing a pot thereon, so as to expose the main fire part, and the burner can adapt to a sharp-bottom pot and a sharp-bottom pot while realizing the pot lifting and closing the outer ring fire, so that the burner keeps a proper distance with the inner ring fire cover and avoids fire suppression.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation and provide another kind can realize more simply carrying a pot and close a fire a combustor for gas-cooker.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a combustor for gas-cooker, the combustor includes:

a base;

the central channel is of a cylindrical structure with an upward opening and is arranged at the central part of the base;

an inner ring fire cover covering the central channel;

the method is characterized in that: the inner ring fire cover comprises an annular wall and a cover body covering the annular wall and provided with an opening at the top, wherein the wall part of the annular wall close to the bottom of the annular wall is provided with an inwardly extending annular wall and a convex edge extending upwards from the inner edge of the annular wall, a gap is formed between the convex edge and the annular wall, a first elastic piece is arranged in the gap, correspondingly, the center of the cover body is provided with a driving part, the cover body can be driven by the driving part to move downwards under the action of placing a cooker on the cover body, and the first elastic piece enables the cover body to have the tendency of returning to the initial position all the time.

In order to realize that the inner ring fire cover is suitable for a sharp-bottom pot or a sharp-bottom pot, and simultaneously, the application scene of lifting the pot to close the outer ring fire can be realized, preferably, an outer ring gas channel is further arranged at the peripheral part of the central channel of the base, an outer ring fire cover capable of forming an outer ring gas mixing chamber is arranged on the outer ring gas channel, the outer ring fire cover is provided with a main fire part communicated with the outer ring gas mixing chamber, and the driving part comprises a peripheral shielding piece capable of shielding the main fire part and a moving piece capable of driving the peripheral shielding piece to move downwards.

In order to realize the air tightness between the moving member and the central channel in the moving state, preferably, the moving member includes a vertical portion parallel to the inner diameter of the central channel, a transverse portion located at the upper end of the vertical portion and maintaining a close proximity state with the central channel, and a tail portion located at the lower end of the vertical portion, the middle portion of the vertical portion has an air inlet channel for gas in the central channel to enter, and correspondingly, the central channel is provided with a fixed seat for the tail portion to elastically move relative to the central channel.

In order to realize the elastic movement of the moving part relative to the fixed seat, preferably, the center of the fixed seat is provided with an accommodating cavity, the accommodating cavity is used for placing and connecting the tail part of the moving part, a second elastic piece is sleeved on the tail part of the moving part, and the lower end of the second elastic piece is connected to the fixed seat, so that the moving part always tends to return to the trend of abutting against the peripheral shielding piece. In the cooking process, when the cooker is placed on the driving part, the peripheral shielding piece and the driving part move downwards together, and the main fire part of the outer ring fire cover is opened, so that the purpose of opening the outer ring fire by sitting on the cooker is realized; meanwhile, the cover body of the inner ring fire cover also moves downwards by a corresponding distance along with the sharpness of the bottom of the cooker, so that fire suppression is prevented.

In order to ensure the air tightness when the cover body moves down together with the moving member, preferably, the driving portion further includes a driving rod disposed at the center of the air inlet channel of the moving member and an outer sleeve sleeved outside the driving rod, the outer sleeve is disposed on the cover body, the head of the driving rod is exposed out of the outer sleeve at an initial position, the head of the driving rod can be driven to move down by the action of the cooker resting on the outer sleeve, and the cover body moves down together with the moving member in a state that the head of the driving rod closes the outer sleeve.

In order to enable the head of the driving rod to move downwards under the action of being placed on the pot, the peripheral shielding element can move downwards together with the moving part, preferably, the peripheral shielding element comprises an annular part for placing on the transverse part of the moving part and abutting blocks arranged at intervals along the circumferential direction of the annular part, the abutting blocks are provided with at least one connecting rib for abutting against the inner ring fire cover, the peripheral shielding element further comprises at least one connecting rib connected to the periphery of the annular part and extending outwards along the radial direction, a shielding ring for shielding the main fire part is connected to each connecting rib, and correspondingly, the central channel is provided with a through hole for each connecting rib to pass through. The peripheral shielding piece is required to be placed on the moving piece, and when the moving piece is driven to move downwards, the peripheral shielding piece can only move downwards along with the moving piece, so that the main fire part can be exposed.

In order to adapt to a pointed pot with a more pointed pot bottom, a connecting body is further arranged below the through hole in the central channel, the connecting body is used for connecting an outer ring fire cover positioned on the periphery of the inner ring fire cover, and the connecting body is further provided with a placing part for placing a shielding ring of the peripheral shielding piece. The movable piece and the peripheral shielding piece are arranged in a split mode, when the movable piece is driven to move downwards, the peripheral shielding piece can only move downwards along with the movable piece, so that the main fire portion can be exposed, when the bottom of the cookware is sharper, the movable piece can be driven to move downwards continuously, the peripheral shielding piece cannot move downwards continuously along with the movable piece due to the limitation of the placement portion in the connecting body, and the peripheral shielding piece is kept on the connecting body, and therefore the purpose that the main fire portion is exposed is achieved.

Compared with the prior art, the utility model has the advantages of: when the pan was placed on central channel, the drive division received pressure downstream, drove the lid downstream simultaneously to avoid the inner ring lid to be pressed the fire in order to cook, when the pan was mentioned and leaves central channel, the drive division is upwards removed again under the answer effect of first elastic component, has realized avoiding pressing the purpose of fire.

Drawings

FIG. 1 is a schematic structural diagram of a burner according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a cross-sectional view showing a state where the head of the driving rod encloses the outer tube according to the embodiment of the present invention;

FIG. 4 is a sectional view of the movable member and the cover of the inner ring fire cover moving downward together according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a movable member according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of FIG. 7;

fig. 7 is a schematic structural view of a cover body of an inner ring fire cover in an embodiment of the present invention;

FIG. 8 is a cross-sectional view of FIG. 7;

FIG. 9 is a schematic structural view of a peripheral shield according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a connector according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 10, for the best mode of the present invention, the burner for gas range in this embodiment comprises a base 1, a central channel 11 disposed at the central portion of the base 1, the central channel 11 is a cylindrical structure with an upward opening, the central channel 11 is covered by an inner fire cover 2, correspondingly, the inner fire cover 2 comprises an annular wall 21 and a cover 22 covering the top of the annular wall 21, the wall of the annular wall 21 adjacent to the bottom thereof has an inwardly extending annular wall 211 and a convex edge 212 extending upward from the inner edge of the annular wall 211, a space 213 is provided between the convex edge 212 and the annular wall 21, a first elastic member 3 is disposed in the space 213, correspondingly, the center of the cover 22 has a driving portion 4, the cover 22 can be driven to move downward by the driving portion 4 under the action of resting the pot thereon, and the first elastic member 3 makes the cover 22 always have a tendency to return to the initial position, when placed on the central channel 11, the driving portion 4 is moved downward by pressure, and at the same time, the inner fire cover 22 is prevented from being moved downward by the elastic member when being lifted by the first elastic member 11, and the inner fire cover is lifted up and the first elastic member is lifted.

Specifically, in order to realize that the inner ring fire cover 2 is suitable for a sharp-bottom pot or a pot with a sharp-bottom, and simultaneously, an application scene of lifting the pot to close the outer ring fire can be realized, an outer ring gas channel 12 is further arranged at the peripheral part of a central channel 11 of the base 1 in the embodiment, an outer ring fire cover 5 capable of forming an outer ring gas mixing chamber 51 is arranged on the outer ring gas channel 12, the outer ring fire cover 5 is provided with a main fire portion 52 communicated with the outer ring gas mixing chamber 51, and the driving portion 4 comprises a peripheral shielding piece 41 capable of shielding the main fire portion 52 and a moving piece 42 capable of driving the peripheral shielding piece 41 to move downwards. The movable member 42 includes a vertical portion 421 parallel to the inner diameter of the central passage 11, a horizontal portion 422 located at the upper end of the vertical portion 421 and maintaining close proximity to the central passage 11, and a tail portion 423 located at the lower end of the vertical portion 421, the middle portion of the vertical portion 421 has an air inlet passage 424 for the gas in the central passage 11 to enter, correspondingly, the central passage 11 is provided with a fixing seat 111 for the tail portion 423 to elastically move relative thereto, because the horizontal portion 422 of the movable member 42 maintains close proximity to the central passage 11, the gas in the central passage 11 can only enter through the air inlet passage 424 and flow out from the inner ring fire cover 2 to form an inner ring fire, and the tail portion 423 can elastically move relative to the fixing seat 111 of the central passage 11 to realize the movement and the reset of the movable member 42 between the initial position and the pressing position. In order to realize the elastic movement of the movable element 42 relative to the fixed seat 111, from the perspective of structural optimization, the center of the fixed seat 111 has an accommodating cavity 112 for placing the tail portion 423 connected to the movable element 42, and the tail portion 423 of the movable element 42 is sleeved with the second elastic element 6, and the lower end of the second elastic element 6 is connected to the fixed seat 111, so that the movable element 42 always tends to return to abut against the peripheral shielding element 41. In the cooking process, when the cookware is placed on the driving part 4, the peripheral shielding piece 41 and the driving part 4 move downwards together, and the main fire part 52 of the outer ring fire cover 5 is opened, so that the purpose of opening the outer ring fire by sitting on the cookware is realized; meanwhile, the cover body 22 of the inner ring fire cover 2 also moves downwards with the pot bottom sharpness of the pot by a corresponding distance in an adaptive manner, so that fire suppression is prevented. In order to ensure the air tightness when the cover 22 moves down together with the moving member 42 to avoid the gas leakage of the central channel 11, the driving portion 4 further includes a driving rod 43 disposed at the center of the air inlet channel 424 of the moving member 42 and an outer sleeve 44 disposed outside the driving rod 43, the outer sleeve 44 is disposed on the cover 22, the head of the driving rod 43 is exposed out of the outer sleeve 44 at the initial position, and the head of the driving rod 43 can be driven to move down by the action of the pot resting thereon, and only in the state that the head of the driving rod 43 seals the outer sleeve 44, the cover 22 can move down together with the moving member 42. In order to enable the peripheral shielding element 41 to move downwards together with the movable element 42 when the head of the driving rod 43 is driven to move downwards by the action of the pot resting thereon, the peripheral shielding element 41 of the present embodiment includes an annular portion 411 for resting on the transverse portion 422 of the movable element 42, at least one abutting block 412 arranged at a circumferential interval 213 along the annular portion 411 for abutting against the inner fire cover 2, and at least one connecting rib 413 connected to the periphery of the annular portion 411 and extending outwards in the radial direction, a shielding ring 414 for shielding the main fire portion 52 is connected to each connecting rib 413, and correspondingly, the central channel 11 has a through hole 110 for passing each connecting rib 413. Because the peripheral shielding element 41 needs to rest on the movable element 42, and when the movable element 42 is driven to move downwards, the peripheral shielding element 41 can only move downwards along with the movable element, so that the main fire portion 52 can be exposed, but in order to adapt to a sharp pot with a sharper pot bottom, the central channel 11 is further provided with the connecting body 7 below the through hole 110, the connecting body 7 is used for connecting the outer ring fire cover 5 positioned on the periphery of the inner ring fire cover 2, the connecting body 7 is further provided with a resting portion 71 for the shielding ring 414 of the peripheral shielding element 41 to rest, because the movable element 42 and the peripheral shielding element 41 are arranged separately, when the movable element 42 is driven to move downwards, the peripheral shielding element 41 can only move downwards along with the movable element 42, so that the main fire portion 52 can be exposed, when the bottom of the pot is sharper, the movable element 42 can be driven to move downwards continuously, and the peripheral shielding element 41 cannot move downwards continuously along with the movable element 42 due to the limitation of the resting portion 71 in the connecting body 7, so that the main fire portion 52 can be maintained on the connecting body 7.

In summary, the burner is suitable for two different pot types during the use process to generate the following two conditions:

a. pot with sharp bottom: when the sharp-bottomed pot is placed at the head of the driving rod 43 until the outer sleeve 44 is sealed with the outer sleeve 44 of the inner ring fire cover 2, the movable piece 42 can be driven to move downwards, and meanwhile, the peripheral shielding piece 41 is driven to move downwards, so that the main fire part 52 can be exposed, the outer ring is opened, the cover body 22 of the inner ring fire cover 2 is driven to move downwards adaptively according to the sharpness of the sharp-bottomed pot, and at the moment, the first elastic piece 3 and the second elastic piece 6 are compressed;

b. and (3) passing through a sharp bottom pot: the same sharp-bottom pan is different in that when the bottom of the pan passing through the sharp-bottom pan is sharper, the movable element 42 can be driven to move downwards continuously, the peripheral shielding element 41 cannot move downwards continuously along with the movable element 42 due to the limitation of the placement portion 71 in the connecting body 7, and is kept on the connecting body 7, at this time, the movable element 42 moves downwards together with the cover body 22 of the inner fire cover 2, the vertical portion 421 of the movable element 42 moves to the fixing seat 111, at this time, the first elastic element 3 and the second elastic element 6 are compressed continuously, the cover body 22 of the inner fire cover 2 is abutted by the abutting block 412 of the peripheral shielding element 41, at this time, the pan bottom of the pan passing through the sharp-bottom pan always keeps the distance of the exposed portion of the outer sleeve 44 from the cover body 22 of the inner fire cover 2, so as to prevent fire suppression, and when a user lifts the pan, the movable element 42 and the inner fire cover 2 can both return to the initial state, the peripheral shielding element 41 moves upwards, so as to shield the main fire portion 52, and in this embodiment, in order to further ensure safety, a primary air full premix burner or an electronic control valve body is preferred.

Claims (7)

1. A burner for a gas range, said burner comprising:

a base (1);

the central channel (11), the opening of the central channel (11) is upward, and the central channel is of a cylindrical structure and is arranged in the central part of the base (1);

an inner ring fire cover (2) covering the central channel (11);

the method is characterized in that: the inner ring fire cover (2) comprises an annular wall (21) and a cover body (22) covering the top of the annular wall (21) and being open, wherein the wall part of the annular wall (21) adjacent to the bottom of the annular wall is provided with an annular wall (211) extending inwards and a convex edge (212) extending upwards from the inner edge of the annular wall (211), a gap (213) is formed between the convex edge (212) and the annular wall (21), a first elastic piece (3) is arranged in the gap (213), correspondingly, the center of the cover body (22) is provided with a driving part (4), the cover body (22) can be driven to move downwards by the driving part (4) under the action of the cooker placed on the cover body, and the first elastic piece (3) enables the cover body (22) to always have the tendency of returning to the initial position.

2. Burner for gas cooktops according to claim 1, characterized in that: the outer ring gas channel (12) is further arranged at the peripheral part of the central channel (11) of the base (1), an outer ring fire cover (5) capable of forming an outer ring gas mixing chamber (51) is arranged on the outer ring gas channel (12), the outer ring fire cover (5) is provided with a main fire part (52) communicated with the outer ring gas mixing chamber (51), and the driving part (4) comprises a peripheral shielding piece (41) capable of shielding the main fire part (52) and a moving piece (42) capable of driving the peripheral shielding piece (41) to move downwards.

3. Burner for gas cooktops according to claim 2, characterized in that: the movable piece (42) comprises a vertical part (421) parallel to the inner diameter of the central channel (11), a transverse part (422) located at the upper end of the vertical part (421) and keeping a close state with the central channel (11), and a tail part (423) located at the lower end of the vertical part (421), wherein an air inlet channel (424) for gas in the central channel (11) to enter is arranged in the middle of the vertical part (421), and correspondingly, the central channel (11) is provided with a fixed seat (111) for the tail part (423) to move elastically relative to the central channel.

4. Burner for gas cooktops according to claim 3, characterized in that: the center of the fixed seat (111) is provided with an accommodating cavity (112), the accommodating cavity (112) is used for placing the tail part (423) of the moving part (42), the tail part (423) of the moving part (42) is sleeved with a second elastic part (6), and the lower end of the second elastic part (6) is connected to the fixed seat (111), so that the moving part (42) always tends to return to be abutted against the peripheral shielding part (41).

5. Burner for gas cooktops according to claim 4, characterized in that: the driving part (4) further comprises a driving rod (43) arranged in the center of the air inlet channel (424) of the movable piece (42) and an outer sleeve (44) sleeved outside the driving rod (43), the outer sleeve (44) is arranged on the cover body (22), the head of the driving rod (43) is exposed out of the outer sleeve (44) at an initial position, the head of the driving rod (43) can be driven to move downwards under the action of the cooker resting on the driving rod, and the cover body (22) and the movable piece (42) move downwards together in the state that the head of the driving rod (43) seals the outer sleeve (44).

6. Burner for gas cooktops according to any one of claims 2 to 5, characterized in that: the peripheral shielding element (41) comprises an annular part (411) used for being placed on a transverse part (422) of the moving element (42), abutting blocks (412) arranged at intervals (213) along the circumferential direction of the annular part (411), at least one abutting block (412) used for abutting against the inner ring fire cover (2) is arranged on the abutting blocks (412), the peripheral shielding element (41) further comprises at least one connecting rib (413) connected to the periphery of the annular part (411) and extending outwards in the radial direction, a shielding ring (414) used for shielding the main fire part (52) is connected to each connecting rib (413), and correspondingly, the central channel (11) is provided with a through hole (110) for each connecting rib (413) to pass through.

7. Burner for gas cooktops according to claim 6, characterized in that: the central channel (11) is further provided with a connecting body (7) below the through hole (110), the connecting body (7) is used for connecting an outer ring fire cover (5) positioned on the periphery of the inner ring fire cover (2), and the connecting body (7) is further provided with a placing part (71) for placing a shielding ring (414) of the peripheral shielding piece (41).

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