CN211119498U - Gas stove with fire cover combustion load adjusting function - Google Patents

Abstract

The utility model relates to a gas stove with adjustable fire cover combustion load, which comprises a burner, wherein the burner comprises a base and an outer ring fire cover, and an outer ring gas mixing chamber is formed between the burner and the base; the outer ring gas mixing chamber is provided with fire holes on the outer wall surface along the circumferential direction; the method is characterized in that: still go out the fire hole relatively and remove, and then change the regulating part of the local area of going out fire of going out the fire hole at least, compare with prior art, the utility model has the advantages of a gas-cooker with adjust fire lid combustion load is provided, and the central authorities hole of this regulating part supplies the combustor top to wear out the back installation to the pole that shelters from of regulating part can be at least the local fire hole that goes out that shelters from the combustor, thereby realizes the speed of the mixed gas that the hole of going out fire sprayed at the adjustment combustor, thereby helps improving the combustor thermal efficiency.

Description

Gas stove with fire cover combustion load adjusting function

Technical Field

The utility model relates to a gas-cooker field, concretely relates to gas-cooker with adjust burning load.

Background

The primary air coefficient of the existing atmospheric stove burner is generally 0.4-0.7, the premixed air cannot reach the air amount required by complete combustion, and various factors are added, so that certain secondary air supplement is required, and in order to reduce the emission of CO, the secondary air supplement is required to be as sufficient as possible. At present, the mode that the cooking utensils combustor supplyed the air is diversified, generally has the side mode of admitting air and admitting air down, and the side air inlet mode is opened the side air intake at the lateral part of gas mixing chamber promptly, and the outside air carries out the secondary air through this side air intake and supplyes, and the air intake is opened down at the base seat promptly to the mode of admitting air down, and the air of cooking utensils below carries out the secondary air through this air intake down and supplyes. Although the side air intake mode has the advantages of small intake resistance and large intake air amount, the existing side air intake combustor still has the problems as follows: due to the injection effect of combustion hot air flow, secondary air is sucked by the inner fire cover and the outer fire cover through the air mixing chamber side air inlet, the heat load of the inner ring is small, the coefficient of primary air is higher than that of the outer ring, the sucked secondary air is often excessive, the secondary air sucked by the middle ring fire hole of the outer fire cover is insufficient, the large heat load cannot be realized, and further improvement is needed for reasonably distributing the secondary air and simultaneously realizing the sufficient combustion of the inner ring and the outer ring.

In addition, generally, according to a method of burning gas fuel in a gas boiler, such as a premix burner, gas and air are premixed at a mixing ratio suitable for combustion and then supplied to a burner port surface to perform combustion, that is, after a mixture of gas and air injected from a nozzle of a gas injection port flows into a mixing chamber, the mixture is supplied to a combustion chamber through a burner port and is combusted in the combustion chamber, a conventional burner in the related art includes a gas valve which regulates gas pressure supplied to the burner, a nozzle which injects gas supplied through the gas valve, a mixture gas inlet through which gas injected from the nozzle is mixed and supplied, an inner space of the burner, the mixture gas supplied through the mixture gas inlet to the inner space, and a burner cap including a plurality of burner ports which injects the mixture gas supplied to the inner space to the combustion chamber in such a manner that the mixture gas is supplied to the combustion chamber through a relatively high-pressure injection port, a burner cap is rotated at a relatively low-pressure, if the mixture gas injection port is rotated at a relatively low-pressure, a burner cap is rotated at a relatively low-adjustable flame-adjustable block, and a relatively adjustable block is not adjusted at a relatively low-adjustable flame-adjustable block, so that the gas injection port is rotated at a relatively-adjustable flame-.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gas-cooker with regulation fire lid burning load that can adjust the load burning of outer loop fire lid is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this gas-cooker with adjust fire lid burning load, including the combustor, the combustor is including:

a base;

the outer ring fire cover is arranged on the base, and an outer ring gas mixing chamber is formed between the outer ring fire cover and the base; the outer ring gas mixing chamber is provided with fire holes on the outer wall surface along the circumferential direction; the method is characterized in that: also comprises

The adjusting piece is provided with an annular body, the inner side edge of the body is surrounded to form a central hole for the top of the combustor to penetrate out, vertical shielding rods are arranged at intervals along the circumferential direction and close to the inner side edge of the body, the shielding rods and the outer side of the fire outlet hole are kept in a mutually adjacent state, and the adjusting piece can move relative to the fire outlet hole so as to at least change the local fire outlet area of the fire outlet hole.

Furthermore, in order to realize that the shielding rod and the outer side of the fire outlet hole of the outer ring fire cover of the combustor are kept in a mutually adjacent state, a circle of annular groove extends inwards along the radial direction on the inner side edge of the body, and the shielding rod is arranged in the annular groove at intervals along the circumferential direction.

In order to realize that the shielding rod of the adjusting piece can change the fire area of the fire outlet hole of the outer ring fire cover, the following scheme is preferably adopted: the adjusting member is movable in a vertical direction relative to the burner.

Further step by step, this gas-cooker, its characterized in that still includes:

a panel having a mounting hole aligned with the central hole.

In order to avoid air leakage, the blocking rod and the outer side of the fire outlet hole are kept in a mutually adjacent state, and the adjusting piece can move relative to the fire outlet hole so as to at least change the local fire outlet area of the fire outlet hole.

In order to facilitate the circumferential movement of the adjusting piece relative to the combustor, the combustor also comprises a first driving mechanism which is positioned on the lower surface of the panel and is used for driving the adjusting piece to move in the circumferential direction relative to the combustor.

In order to realize that the adjusting piece adjusts the air outlet area of the fire outlet hole of the outer ring fire cover along with the amount of mixed gas required by the burner, the first driving mechanism comprises a first driving gear coaxially connected with a valve rod in a gas valve for supplying gas of a gas stove and a first driven gear meshed with the first driving gear, and the outer side edge of the body of the adjusting piece is provided with a latch meshed with the first driven gear. The following fit conditions exist during the movement of the adjusting member relative to the burner:

uncooked state: the shielding rod of the adjusting piece is positioned between the fire outlet holes of the outer ring fire cover, and the shielding rod does not shield the fire outlet holes of the outer ring fire cover.

Cooking state: first driving gear and first driven gear are along with the coaxial rotation of valve rod in the gas valve, consequently, realize sheltering from the pole and remove along with the regulating part, through still being provided with the relative fire hole relative movement of ability outside outer ring gas mixing chamber to the fender pole of the area is given vent to anger in the adjustment out fire hole, thereby the speed of the gas mixture of the gas mixing chamber injection of adjustment outside outer ring, rather than the volume of adjustment gas mixture.

The adjusting piece is arranged on the outer ring fire cover, the fire outlet hole of the outer ring fire cover is shielded by the shielding rod of the adjusting piece along with the movement of the adjusting piece, a vertical movement mode can be adopted besides a circumferential movement mode, and in order to facilitate the vertical movement of the adjusting piece relative to the combustor, the adjusting piece further comprises a second driving mechanism which is arranged on the lower surface of.

The second driving mechanism comprises a second driving gear coaxially connected with a valve rod in a gas valve for supplying gas of the gas stove, a second driven gear meshed with the second driving gear, and a circle of convex wall which corresponds to the linear adjustment of the gas valve and is convexly arranged on the upper surface of the second driven gear.

In order to realize that the high output and the low output of the burner are linearly changed along with the gas valve by the adjusting piece and the shielding piece, the convex wall comprises a first convex wall and a second convex wall which are symmetrically arranged by the central axis of the driven gear, and the first convex wall and the second convex wall both gradually protrude to the center from bottom to top along the periphery of the driven gear and then gradually extend downwards from the center.

Preferably, from the viewpoint of simple mounting structure, the coupling portion is a recess that is recessed upward from below.

Compared with the prior art, the utility model has the advantages of a gas-cooker with adjust fire lid combustion load is provided, this gas-cooker is still including the regulating part, the central authorities hole of regulating part supplies the combustor top to wear out the back installation, and the pole that shelters from of regulating part can at least the part shelter from the play fiery hole of combustor, thereby realize the speed of the gas mixture that goes out the fire hole injection at the adjustment combustor, adjust the jet velocity of gas mixture to the gas mixture combustion rate that is higher than the combustor promptly, the speed of the gas mixture that sprays through going out the fire hole is adjusted and is realized not taking place the harmonious state of tempering, in addition, this gas-cooker utilizes this regulating part to reach the gas-cooker and "big heat load burning" at the outer ring fire lid of culinary art state, help improving the combustor thermal efficiency.

Drawings

Fig. 1 is a schematic structural view of an adjusting member in embodiment 1 of the present invention;

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

fig. 3 is a schematic structural view of a gas stove according to embodiment 1 of the present invention (one of which omits a burner);

FIG. 4 is a schematic structural view of the adjusting member in a shielding state during the movement of the adjusting member relative to the burner in the embodiment of the present invention;

FIG. 5 is a partial cross-sectional view of FIG. 4;

fig. 6 is a schematic structural view of an adjusting member in embodiment 2 of the present invention;

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

fig. 8 is a schematic structural view of the adjusting member in a shielding state during movement relative to the burner in embodiment 2 of the present invention;

fig. 9 is a partial cross-sectional view of fig. 8.

Detailed Description

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

Example 1

As shown in fig. 1 to 5, the gas stove with fire cap combustion load adjustment in this embodiment includes an adjusting member 1, the adjusting member 1 has an annular body, a central hole 111 for the top of the burner 5 to penetrate through is defined by the inner side edge of the body, vertical shielding rods 2 are further provided at intervals along the circumferential direction adjacent to the inner side edge of the body, in order to keep the shielding rods 2 and the outer side of the fire outlet hole 532 of the outer fire cap 53 of the burner in a mutually adjacent state, a circle of annular grooves 112 extend inward along the radial direction at the inner side edge of the body, and the shielding rods 2 are provided at intervals along the circumferential direction in the annular grooves 112. The adjusting element 1 can be moved in the circumferential direction relative to the burner 5.

The utility model discloses a gas-cooker is including having the panel 4 with the mounting hole 41 of central hole 111 alignment, this regulating part 1 can remove relative combustor 5, thereby realize that 3 relative combustors of regulating ring 5 can shelter from the play fire hole 532 department at combustor 5 at least locally in the in-process that upwards moves in week, and then the speed of the gas mixture that the adjustment sprays to combustor 5, rather than the volume of adjustment gas mixture, adjust the gas mixture burning rate that is higher than in combustor 5 with the injection velocity of gas mixture promptly, the speed of the gas mixture that sprays through combustor 5 is adjusted and is realized not taking place the harmonious state of tempering. In addition, the gas stove comprises a burner 5 positioned in the mounting hole 41, the burner 5 comprises a base 51, an inner ring fire cover 52 arranged on the base 51 and forming a central gas mixing chamber 521 with the base 51, an outer ring fire cover 53 also arranged on the base 51 and positioned at the periphery of the inner ring fire cover 52 and forming an outer ring gas mixing chamber 531 with the base 51, the outer ring gas mixing chamber 531 is provided with fire holes 532 along the circumferential direction on the outer wall surface, the shielding rod 2 can move along with the adjusting piece 1 and at least partially shield the area of the fire holes 532 of the outer ring gas mixing chamber 531, the shielding rod 2 which can move relative to the fire holes 532 is arranged outside the outer ring gas mixing chamber 531 so as to adjust the gas outlet area of the fire holes 532, thereby adjusting the speed of the gas mixture sprayed to the outer ring gas mixing chamber 531 instead of adjusting the amount of the gas mixture, namely adjusting the spraying speed of the gas mixture to be higher than the burning speed of the gas mixture in the outer ring gas mixing chamber 531, the speed of the mixture injected through the fire hole 532 is adjusted to achieve a harmonious state where no backfire occurs.

In order to facilitate the circumferential movement of the adjusting part 1 relative to the burner 5, the gas burner further comprises a first driving mechanism 6 which is positioned on the lower surface of the panel 4 and drives the adjusting part 1 to move in the circumferential direction relative to the burner 5, the first driving mechanism 6 comprises a first driving gear 63 coaxially connected with a valve rod 62 in a gas valve 61 for supplying gas to a gas stove and a first driven gear 64 meshed with the first driving gear 63, and the outer side edge of the body of the adjusting part 1 is provided with a latch 113 meshed with the first driven gear 64. During the movement of the adjusting part 1 relative to the burner 5, the following fit states are present:

uncooked state: the shielding rod 2 of the adjusting piece 1 is positioned between the fire outlet holes 532 of the outer ring fire cover 53, and the shielding rod 2 does not shield the fire outlet holes 532 of the outer ring fire cover 53.

Cooking state: the first driving gear 63 and the first driven gear 64 rotate coaxially with the valve rod 62 in the gas valve 61, so that the shielding rod 2 moves along with the adjusting member 1, and the shielding rod 2 capable of moving relatively to the fire hole 532 is further arranged outside the outer ring gas mixing chamber 531 to adjust the gas outlet area of the fire hole 532, so that the speed of the mixed gas injected into the outer ring gas mixing chamber 531 is adjusted, instead of adjusting the amount of the mixed gas.

The specific process is as follows, when the combustor 5 works, the adjusting part 1 of the adjusting structure can enable the first driving gear 63 and the first driven gear 64 to be meshed and rotated along with the linear change in the gas valve 61, and then the adjusting part 1 is driven to rotate, the shielding rod 2 of the adjusting part 1 can at least partially shield the fire outlet 532 of the combustor 5, so that the speed of the mixed gas sprayed from the fire outlet 532 of the combustor 5 is adjusted, namely, the spraying speed of the mixed gas is adjusted to be higher than the combustion speed of the mixed gas of the combustor 5, and the speed of the mixed gas sprayed from the fire outlet 532 is adjusted to realize a harmonious state without backfire.

Example 2

The structure is basically the same as that of embodiment 1, except that: the blocking rod 2 of the adjusting part 1 is in a vertical movement mode along with the movement of the adjusting part 1, and in order to facilitate the vertical movement of the adjusting part 1 relative to the burner 5, the adjusting part further comprises a second driving mechanism 60 which is positioned on the lower surface of the panel 4 and drives the adjusting part 1 to move vertically relative to the burner 5. The second driving mechanism 60 includes a second driving gear 630 coaxially connected to the valve stem 62 of the gas valve 61 for supplying gas to the gas range, a second driven gear 640 engaged with the second driving gear 630, and a protruding wall 641 protruding from the upper surface of the second driven gear 640 for linear adjustment corresponding to the gas valve 61. In order to achieve that the adjusting member 1 and the blocking member 2 make the high output and the low output of the burner 5 vary linearly with the gas valve 61, the convex wall 641 includes a first convex wall 6411 and a second convex wall 6412 symmetrically disposed about the central axis of the second driven gear 640, and each of the first convex wall 6411 and the second convex wall 6412 gradually protrudes from bottom to top toward the center along the outer circumference of the second driven gear 640 and then gradually extends downward from the center. Preferably, the connection portion 651 is a recess recessed upward from the bottom, from the viewpoint of simple mounting structure. Since the notch of the connecting rod 65 can slide relative to the second driven gear 640, so that the adjusting part 1 can move vertically relative to the combustor 5, the shielding part 2 of the adjusting part 1 can at least partially shield the fire outlet 532 of the combustor 5, and the speed of the mixture injected from the fire outlet 532 of the combustor 5 is adjusted, that is, the injection speed of the mixture is adjusted to be higher than the combustion speed of the mixture of the combustor 5, and the speed of the mixture injected through the fire outlet 532 is adjusted to realize a harmonious state without backfire, as shown in fig. 6 to 9.

Claims (9)

1. A gas stove with a fire cover for adjusting combustion load comprises a burner, wherein the burner (5) comprises:

a base (51);

the outer ring fire cover (53) is arranged on the base (51), and an outer ring air mixing chamber (531) is formed between the outer ring fire cover and the base (51); the outer ring air mixing chamber (531) is provided with fire outlets (532) along the circumferential direction on the outer wall surface; the method is characterized in that: also comprises

The adjusting piece (1) is provided with an annular body, the inner side edge of the body is surrounded to form a central hole (111) through which the top of the burner (5) penetrates, the body is adjacent to the inner side edge and is further provided with vertical blocking rods (2) at intervals along the circumferential direction, the blocking rods and the outer side of the fire outlet hole (532) are kept in a mutually adjacent state, and the adjusting piece (1) can move relative to the fire outlet hole (532) so as to at least change the local fire outlet area of the fire outlet hole (532).

2. The gas range with adjustable fire cover combustion load according to claim 1, wherein: the inner side edge of the body extends inwards along the radial direction to form a circle of annular groove (112), and the shielding rods (2) are arranged in the annular groove (112) at intervals along the circumferential direction.

3. The gas range with adjustable fire cover combustion load according to claim 2, wherein: the adjusting part (1) can move in the circumferential direction or the vertical direction relative to the burner (5).

4. The gas range with the adjustable fire cover combustion load according to any one of claims 1 to 3, characterized in that:

comprises the following steps:

a face plate (4) having a mounting hole (41) aligned with the central hole (111).

5. The gas range with adjustable fire cover combustion load according to claim 4, wherein: the combustor also comprises a first driving mechanism (6) which is positioned on the lower surface of the panel (4) and is used for driving the adjusting piece (1) to move in the circumferential direction relative to the combustor (5).

6. The gas range with adjustable fire cover combustion load according to claim 5, wherein: the first driving mechanism (6) comprises a first driving gear (63) coaxially connected with a valve rod (62) in a gas valve (61) for supplying gas of a gas stove and a first driven gear (64) meshed with the first driving gear (63), and the outer side edge of the body of the adjusting piece (1) is provided with a latch (113) meshed with the first driven gear (64).

7. The gas range with adjustable fire cover combustion load according to claim 4, wherein: and the second driving mechanism (60) is positioned on the lower surface of the panel (4) and is used for driving the adjusting piece (1) to move in the vertical direction relative to the burner (5).

8. The gas range with adjustable fire cover combustion load according to claim 7, wherein: the second driving mechanism (60) comprises a second driving gear (630) coaxially connected with a valve rod (62) of a gas valve (61) for supplying gas of a gas stove, a second driven gear (640) meshed with the second driving gear (630), and a circle of convex wall (641) corresponding to linear adjustment of the gas valve (61) is convexly arranged on the upper surface of the second driven gear (640).

9. The gas range with adjustable fire cover combustion load according to claim 8, wherein: the convex wall (641) comprises a first convex wall (6411) and a second convex wall (6412) which are symmetrically arranged around the central axis of the driven gear (64), and the first convex wall (6411) and the second convex wall (6412) both gradually protrude from the bottom to the center along the periphery of the second driven gear (640) and then gradually extend downwards from the center.

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