CN213453635U - Fire cover for gas stove - Google Patents

Abstract

The utility model relates to a fire lid for gas-cooker, including fire lid body, the annular perisporium of fire lid body is equipped with main fire hole, its characterized in that along circumference interval: annular perisporium seted up circumferentially with the crossing recess in main fire hole still is provided with between the adjacent main fire hole and link up the first steady flame hole of recess, compare with prior art, the utility model has the advantages of set up the recess that link up main fire hole and first steady flame hole simultaneously on the annular perisporium of fire lid body, the recess has constituted the steady voltage portion in main fire hole and first steady flame hole, when main fire hole and first steady flame hole are lived to steady flame, can also show the combustion efficiency who improves the gas-cooker.

Description

Fire cover for gas stove

Technical Field

The utility model relates to a combustor fire lid for cooking utensils especially relates to a fire lid structure with better steady flame effect.

Background

At present, the fire lid of gas-cooker usually comprises roof, annular inside wall and annular lateral wall, and it has a plurality of main fire hole to open along its circumferencial direction on the annular lateral wall of fire lid, and only including the single row fire hole on the annular lateral wall of current gas-cooker fire lid, this type of patent document can refer to the chinese utility model patent of patent number ZL200520014838.2 for a gas-cooker combustor toper fire lid (grant No. CN2842216Y), can also refer to chinese utility model patent of patent number ZL201120246965.0 for a combustor fire lid (grant No. CN 202149492U). Above-mentioned this kind of single main fire hole combustion method who discloses, there is the burning back flame and beats easily, the not enough of combustion area unstability, simultaneously, single row fire hole not only makes the combustion thermal inefficiency of gas-cooker, and make the gas combustion insufficient, lead to the gaseous emission of carbon monoxide, environmental pollution has been aggravated, for this reason, the chinese utility model patent that patent number is ZL201921937255.5 (the grant bulletin number is CN211040963U) "a fire lid and the combustor that has this fire lid", gas channel has in this fire lid, fire lid still has the lateral wall, be provided with on the lateral wall along the big fire hole of circumferential direction range and be located the little fire hole between the big fire hole of adjacent, big fire hole and little fire hole communicate gas channel and outside. The small fire hole is a counter bore penetrating through the outer side wall, the counter bore of the counter bore is close to the outer surface of the outer side wall, the diameter of the counter bore is 2.2 mm-2.4 mm, and the depth of the counter bore is 2.5 mm-3 mm; the bottom hole of the counter sink is close to the inner surface of the outer side wall, and the diameter of the bottom hole is 1.5 mm-1.8 mm, the small fire hole of the utility model is designed as the counter sink, the drill bit is not easy to break and easy to process, and the qualified rate of the fire cover is high; in addition, because the small fire holes are countersunk holes, a good flame stabilizing effect can be achieved, but although the flame stabilizing situation of the small fire holes is solved by the fire cover, the large fire holes still easily leave flames, and the whole combustor cannot normally burn.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a fire lid for gas-cooker that steady flame is effectual is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a fire lid for gas-cooker, including fire lid body, the annular perisporium of fire lid body is equipped with main fire hole, its characterized in that along circumference interval: the annular peripheral wall is circumferentially provided with grooves intersected with the main fire holes, and first flame stabilizing holes penetrating through the grooves are further arranged between the adjacent main fire holes.

In order to prevent the overflowing liquid entering the groove from affecting the first flame stabilizing hole, the groove is preferably provided with a slope at a position adjacent to the fire outlet end of the first flame stabilizing hole to form a diversion slope for diverting the overflowing liquid. Once overflowing liquid enters the groove, the overflowing liquid is guided by the guide slope to be far away from the first flame stabilizing hole, so that the overflowing liquid is prevented from blocking the first flame stabilizing hole.

In order to better guide out the overflowing liquid in the groove, preferably, the end edge of the guide slope extends upwards to form a convex edge, and at least two overflowing liquid holes are formed in the circumferential direction of the convex edge.

Except that foretell first flame holding hole carries out the steady flame to main flame hole, can also carry out the steady flame through following mode, preferably, the fire lid body in be provided with the second flame holding hole under the annular perisporium, the second flame holding hole with the crisscross setting of main flame holding hole, and the annular perisporium of fire lid body in the flame holding groove has been seted up under the recess, the exit end in the second flame holding hole with the flame holding groove communicates mutually, first flame holding hole also with the second flame holding hole link up mutually. Wherein second flame hole and flame stabilizing slot communicate mutually, can realize the flame stabilizing in second flame hole to because each second flame hole and the crisscross setting of main fire hole can make the second flame hole "pull" the root in main fire hole better, and then realize the flame stabilizing in main fire hole.

In order to achieve the ignition success rate of the fire cover body, preferably, the fire cover body comprises an annular top wall and an annular peripheral wall which is vertically inclined downwards from the outer edge of the annular top wall, a gas mixing cavity is formed between the annular peripheral wall and the annular top wall, at least one transverse ignition hole is radially formed in the fire cover body, an inner side opening of each transverse ignition hole is located in the gas mixing cavity, an outer side opening of each transverse ignition hole is located on the annular peripheral wall, and at least one transverse ignition hole is intersected with the groove. Because the transverse ignition hole is intersected with the groove, part of gas in the transverse ignition hole is shunted by the groove, the flow velocity of mixed gas formed by the gas in the transverse ignition hole and primary air can be prevented from being slowed down, the gas outlet speed of the transverse ignition hole is too high, flame separation is caused, meanwhile, the flame in the transverse ignition hole is stable, the ignition success rate of the transverse ignition hole is improved, the ignition path is shortened through the groove, and the ignition speed is improved.

In order to provide an auxiliary ignition structure of the transverse ignition hole and further improve the success rate of ignition, preferably, a fire outlet communicated with the gas mixing cavity is formed in the fire cover body above the transverse ignition hole, and the caliber of the fire outlet is larger than that of an outer opening of the transverse ignition hole.

In order to further prevent the main fire hole of the fire cover body from being blocked by the spilled liquid, preferably, the outer edge of the fire cover body extends outwards to form a waterproof brim sheltered above the main fire hole, and the waterproof brim is locally provided with an outflow port for the spilled liquid to flow out.

Compared with the prior art, the utility model has the advantages of set up the recess that link up main fire hole and first steady flame hole simultaneously on the annular perisporium of fire lid body, the recess has constituted the steady splenium in main fire hole and first steady flame hole, when main fire hole and first steady flame hole are lived to steady flame, can also show the combustion efficiency who improves the gas-cooker.

Drawings

FIG. 1 is a schematic structural view of a fire cover in an embodiment of the present invention;

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

FIG. 3 is a cross-sectional view at a second angle from FIG. 1;

FIG. 4 is a cross-sectional view at a third angle of FIG. 1;

fig. 5 is a fourth angle cross-sectional view of fig. 1.

Detailed Description

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

As shown in FIGS. 1 to 5, the preferred embodiment of the present invention is shown. The fire lid for gas-cooker of this embodiment is including fire lid body 1, the annular perisporium 11 of fire lid body 1 is equipped with main fire hole 12 along circumference interval, annular perisporium 11 has seted up the recess 13 crossing with main fire hole 12 circumferentially, still be provided with the first steady flame hole 14 that link up recess 13 between the adjacent main fire hole 12, set up the recess 13 that link up main fire hole 12 and first steady flame hole 14 simultaneously on the annular perisporium 11 of fire lid body 1, recess 13 has constituted the steady voltage portion of main fire hole 12 and first steady flame hole 14, when main fire hole 12 and first steady flame hole 14 are lived in steady flame, can also show the combustion efficiency who improves the gas-cooker.

Specifically, in order to prevent the overflowing liquid entering the groove 13 from affecting the flame-stabilizing hole, the groove 13 has a slope at a position adjacent to the flame-stabilizing hole fire outlet end to form a guide slope 131 for guiding the overflowing liquid. Once the overflowing liquid enters the groove 13, the overflowing liquid is guided by the guide slope 131 to be away from the first flame stabilizing hole 14, so that the overflowing liquid is prevented from blocking the first flame stabilizing hole 14. In order to better guide the overflowing liquid in the groove 13, the end edge of the guiding slope 131 extends upwards to form a flange 132, and the flange 132 is provided with at least two overflowing liquid holes 1321 along the circumferential direction. The flame stabilization may be performed by, in addition to the above-mentioned first flame stabilizing holes 14 for the main flame holes 12, preferably, providing the fire lid body 1 with second flame stabilizing holes 15 under the annular peripheral wall 11, the second flame stabilizing holes 15 being staggered with the main flame holes 12, and the annular peripheral wall 11 of the fire cover body 1 is provided with a flame stabilizing groove 19 below the groove 13, the outlet end of the second flame stabilizing hole 15 is communicated with the flame stabilizing groove 19, wherein the second flame hole is communicated with the flame stabilizing slot 19, the flame stabilization of the second flame hole 15 can be realized, and because each second flame stabilizing hole 15 and the main flame hole 12 are arranged in a staggered way, the second flame stabilizing holes 15 can better pull the root part of the main flame hole 12, and then the flame stabilization of the main fire hole 12 is realized, and meanwhile, the first flame stabilizing hole 14 is communicated with the second flame stabilizing hole 15, so that the first flame stabilizing hole 14 and the second flame stabilizing hole 15 stabilize the flame mutually.

In addition, in order to achieve the ignition success rate of the fire cap body 1, the fire cap body 1 comprises an annular top wall 10 and an annular peripheral wall 11 which is vertically inclined downwards from the outer edge of the annular top wall 10, an air mixing cavity 100 is formed between the annular peripheral wall 11 and the annular top wall 10, at least one transverse ignition hole 16 is radially opened in the fire cap body 1, an inner opening 161 of each transverse ignition hole 16 is positioned in the air mixing cavity 100, an outer opening 162 of each transverse ignition hole 16 is positioned on the annular peripheral wall 11, and at least one transverse ignition hole 16 is intersected with the groove 13. Because the transverse ignition holes 16 are intersected with the grooves 13, as shown in fig. 4, the embodiment has two transverse ignition holes 16, and only the transverse ignition hole 16 positioned below is intersected with the grooves, for this reason, a part of gas in the transverse ignition hole 16 positioned below is shunted by the grooves 13, so that the flow rate of mixed gas formed by the gas in the transverse ignition hole 16 and primary air can be prevented from being slowed down, the gas outlet speed of the transverse ignition hole 16 is too high, flame separation is caused, meanwhile, the flame in the transverse ignition hole 16 is stable, the ignition success rate of the transverse ignition hole 16 is improved, meanwhile, the ignition path is shortened by the grooves 13, and the ignition speed is improved. In order to provide an auxiliary ignition structure of the transverse ignition hole 16 and further improve the ignition success rate, the fire cover body 1 is provided with a fire outlet opening 17 communicated with the gas mixing cavity 100 above the transverse ignition hole 16, and the caliber of the fire outlet opening 17 is larger than the outer opening 162 of the transverse ignition hole 16. Finally, in order to further prevent the main fire hole 12 of the fire cover body 1 from being blocked by the spilled liquid, the outer edge of the fire cover body 1 extends outwards to form a waterproof brim 18 which is shielded above the main fire hole 12, and the part of the waterproof brim 18 is provided with an outlet 181 for the spilled liquid to flow out.

Claims (7)

1. The utility model provides a fire lid for gas-cooker, is including fire lid body (1), the annular perisporium (11) of fire lid body (1) are equipped with main fire hole (12) along circumference interval, its characterized in that: the annular peripheral wall (11) is circumferentially provided with grooves (13) intersected with the main fire holes (12), and first flame stabilizing holes (14) penetrating through the grooves (13) are further arranged between the adjacent main fire holes (12).

2. Fire cover for gas cookers according to claim 1, characterized in that: the groove (13) is provided with a slope at a position adjacent to the fire outlet end of the first flame stabilizing hole (14) to form a flow guiding slope (131) for guiding overflowing liquid.

3. Fire cover for gas cookers according to claim 2, characterized in that: the terminal edge of water conservancy diversion slope (131) upwards extends has chimb (132), chimb (132) have seted up two at least overflow holes (1321) along circumference.

4. Fire cover for gas cookers according to claim 3, characterized in that: the flame cover comprises a flame cover body (1), wherein second flame stabilizing holes (15) are formed in the lower portion of an annular peripheral wall (11), the second flame stabilizing holes (15) and main flame holes (12) are arranged in a staggered mode, flame stabilizing grooves (19) are formed in the lower portion of the annular peripheral wall (11) of the flame cover body (1) below a groove (13), the outlet ends of the second flame stabilizing holes (15) are communicated with the flame stabilizing grooves (19), and the first flame stabilizing holes (14) are communicated with the second flame stabilizing holes (15).

5. The fire cover for the gas range according to any one of claims 1 to 4, wherein: the fire cover body (1) comprises an annular top wall (10) and an annular peripheral wall (11) which is vertically inclined downwards from the outer edge of the annular top wall (10), a gas mixing cavity (100) is formed between the annular peripheral wall (11) and the annular top wall (10), at least one transverse ignition hole (16) is formed in the fire cover body (1) along the radial direction, an inner side opening (161) of each transverse ignition hole (16) is located in the gas mixing cavity (100), an outer side opening (162) of each transverse ignition hole (16) is located on the annular peripheral wall (11), and at least one transverse ignition hole (16) is intersected with a groove (13).

6. Fire cover for gas cookers according to claim 5, characterized in that: the fire cover body (1) is provided with a fire outlet opening (17) communicated with the gas mixing cavity (100) above the transverse ignition hole (16), and the caliber of the fire outlet opening (17) is larger than an outer side opening (162) of the transverse ignition hole (16).

7. Fire cover for gas cookers according to claim 6, wherein: the outer edge of the fire cover body (1) extends outwards to form a waterproof brim (18) covering the upper part of the main fire hole (12), and the part of the waterproof brim (18) is provided with an outflow port (181) for overflowing liquid to flow out.

Images