CN215863399U - Burner fire cover for gas stove and burner with same - Google Patents

Abstract

The utility model relates to a burner fire cover for a gas stove and a burner using the fire cover, comprising a fire cover body, wherein the fire cover body comprises an annular top wall, and an inner annular wall and an outer annular wall which vertically or obliquely extend downwards from the inner edge and the outer edge of the annular top wall form a gas mixing cavity together, and the burner fire cover is characterized in that: the annular top wall is provided with at least two circles of annular seams communicated with the gas mixing cavity at intervals along the radial direction, the lower surface of the annular top wall is provided with at least two spacing blocks at intervals along the circumferential direction, and each annular seam is divided into a corresponding fire outlet area by the adjacent spacing blocks. This a combustor fire lid for gas-cooker, its is seted up two at least ring gaps along radial interval distribution on cyclic annular roof, on the one hand can increase the area of giving vent to anger of fire lid and in order to improve its efficiency, on the other hand because the ring gap of fire lid forms out the fire region because the spacer block separates, has easy clear characteristics.

Description

Burner fire cover for gas stove and burner with same

Technical Field

The utility model relates to the technical field of household kitchen utensils, in particular to a burner for a gas stove and a burner with a fire cover.

Background

The gas burner of current domestic gas-cooker includes the gas mixing chamber, the fire lid, draw and penetrate the pipe, flourishing liquid dish, thermocouple and ignition needle etc, the fire lid is a very important spare part of cooking utensils, the gas-cooker burner fire lid among the prior art has the round hole than common fire hole form, the rectangular hole etc, and a plurality of fire holes are circumference interval arrangement with the center of fire lid, but need pass through the casting during the fire lid processing preparation of this kind of structure, drill to every fire hole, reaming technology just can accord with the requirement, the structure is complicated, the thermal efficiency is lower, and difficult cleaning, need do further improvement for this reason.

Disclosure of Invention

A first technical problem to be solved by the present invention is to provide a burner fire cover for a gas range, which has high thermal efficiency and is easy to clean, in view of the above-mentioned prior art.

The second technical problem to be solved by the present invention is to provide a burner with the burner fire cover, which is beneficial to supplement primary air and secondary air, in view of the above prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: this a combustor fire lid for gas-cooker, including the fire lid body, this fire lid body is including cyclic annular roof, and this cyclic annular roof is vertical or the slope downwardly extending's of the inboard edge, the outside edge of this cyclic annular roof, outer rampart form jointly and mix the gas chamber, its characterized in that: the annular top wall is provided with at least two circles of annular seams communicated with the gas mixing cavity at intervals along the radial direction, the lower surface of the annular top wall is provided with at least two spacing blocks at intervals along the circumferential direction, and each annular seam is divided into corresponding fire outlet areas by the adjacent spacing blocks.

In order to promote sufficient combustion in each of the fire-emitting regions, it is preferable that a secondary air supplement passage, which is lower than the upper surface of the annular ceiling wall and is capable of supplementing secondary air to an adjacent fire-emitting region, be formed between the upper surface of each of the spacers and each of the annular slits. A secondary air supplement channel is formed above each partition block, so that flame in a fire outlet area can be combusted more sufficiently, heat transfer between the fire outlet area and other structures of the fire cover body is realized through each partition block, the local temperature can be reduced, and the service life of the fire cover is prolonged.

In order to stabilize the flames between the circular seams, the annular top wall is preferably inclined gradually outwards from top to bottom. Because the annular seams sequentially become lower from inside to outside in the radial direction, the root parts of the adjacent annular seams can be mutually pulled by the adjacent annular seams, and the flame stabilizing effect is better formed.

In order to solve the second technical problem, the present invention also provides a burner with the burner fire cover, comprising:

a base having a nozzle holder and an injector disposed on the nozzle holder; the method is characterized in that: also includes:

the connector is arranged on the base and comprises an outer disk body, at least one first injection pipe which is independent of the connector is circumferentially arranged on the outer disk body at intervals, and the first injection pipe is provided with an axis which is inclined relative to the horizontal plane; and

the fire cover body is correspondingly arranged on the outer disc body, a first air mixing chamber is formed between the air mixing chambers of the outer disc body, the first air mixing chamber corresponds to the first injection pipe, and the ejector and the air inlet of the first injection pipe are oppositely arranged.

Furthermore, the connector further comprises an inner disk body concentrically arranged with the outer disk body at an interval, a vertical second injection pipe is arranged at the central position of the inner disk body, an inner ring fire cover of a central second air mixing chamber is formed between the inner disk body and the inner disk body, the nozzle seat is further provided with a primary air supplementing pipe in fluid communication with the ejector, the lower end opening of the primary air supplementing pipe is positioned on the base, and the inner disk body is provided with an upper opening corresponding to the upper end opening of the primary air supplementing pipe. As mentioned above, the secondary air supplement channel is located on the fire cover body, the primary air supplement pipe is communicated with the nozzle seat, and the upper end opening of the primary air supplement pipe corresponds to the upper opening on the inner disc body, namely, the secondary air supplement channel is located below the fire cover body, namely, the two spaces are not subjected to contention, and the sufficient combustion of the fire cover body can be better promoted.

Compared with the prior art, the utility model has the advantages that: the burner fire cover for the gas stove is characterized in that at least two annular seams distributed at intervals along the radial direction are formed on the annular top wall, on one hand, the air outlet area of the fire cover can be increased to improve the energy efficiency of the fire cover, on the other hand, a fire outlet area is formed due to the fact that the annular seams of the fire cover are separated by the partition blocks, if one of the fire outlet areas is blocked, fire outlet of other fire outlet areas is not hindered, and the burner fire cover for the gas stove is easy to clean.

Drawings

FIG. 1 is a schematic view of a burner fire cover in an embodiment of the utility model;

FIG. 2 is a cross-sectional view of the burner fire cover of FIG. 1;

FIG. 3 is a schematic view of another angle of the burner fire cover of FIG. 1;

FIG. 4 is a schematic view of a burner according to an embodiment of the present invention;

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

FIG. 6 is a schematic structural diagram of a connector according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a base in an embodiment of the utility model;

fig. 8 is a cross-sectional view of the base of fig. 7.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 8, the preferred embodiment of the present invention is shown. The burner fire cover for the gas stove comprises a fire cover body 1, wherein the fire cover body 1 comprises an annular top wall 11, the annular top wall 11, an inner annular wall 12 and an outer annular wall 13 which vertically or obliquely extend downwards from the inner edge and the outer edge of the annular top wall 11 form a gas mixing cavity 14 together, at least two rings of annular seams 111 communicated with the gas mixing cavity 14 are formed on the annular top wall 11 at intervals along the radial direction, at least two spacer blocks 2 are arranged on the lower surface of the annular top wall 11 at intervals along the circumferential direction, and each annular seam 111 is divided into corresponding fire outlet areas 3 by the adjacent spacer blocks 2. According to the burner fire cover for the gas stove, the annular top wall 11 is provided with at least two annular seams 111 which are distributed at intervals along the radial direction, on one hand, the air outlet area of the fire cover can be increased to improve the energy efficiency of the fire cover, on the other hand, the fire outlet areas 3 are formed by the separation of the annular seams 111 of the fire cover due to the separation of the partition blocks 2, and if one fire outlet area 3 is blocked, the fire outlet of other fire outlet areas 3 is not hindered, and the burner fire cover has the characteristic of being easy to clean.

Specifically, in order to promote sufficient combustion of the respective fire emitting areas 3, a secondary air supplement channel 4, which is lower than the upper surface of the annular ceiling wall 11, is formed between the upper surface of each of the spacers 2 and the respective annular slits 111, and the secondary air supplement channel 4 can supplement secondary air to the adjacent fire emitting areas 3. A secondary air supplement channel 4 is formed above each partition block 2, so that flame in the fire outlet area 3 can be combusted more sufficiently, and meanwhile, heat transfer between the fire outlet area 3 and other structures of the fire cover body 1 is realized by each partition block 2, so that the local temperature can be reduced, and the service life of the fire cover is prolonged. In order to stabilize the flames between the annular seams 111, the annular top wall 11 is inclined gradually outward from top to bottom. As the annular seams 111 become lower from inside to outside in turn in the radial direction, the 'root parts' of the adjacent annular seams 111 can be mutually pulled by the adjacent annular seams 111, and the flame stabilizing effect is further better formed.

The present embodiment also provides a burner to which the burner fire cover as described above is applied, including a base 5, the base 5 having a nozzle holder 51 and an injector (not shown) provided on the nozzle holder 51; the device also comprises a connecting body 6 arranged on the base 5, wherein the connecting body 6 comprises an outer disc body 61, the outer disc body 61 is circumferentially provided with at least one first injection pipe 7 which is independent from each other at intervals, and the first injection pipe 7 is provided with an axis which is inclined relative to the horizontal plane; the fire cover body 1 is correspondingly arranged on the outer disc body 61, a first air mixing chamber 610 is formed between the air mixing chambers 14 of the outer disc body 61, the first air mixing chamber 610 corresponds to the first injection pipe 7, the injector is arranged opposite to the air inlet 71 of the first injection pipe 7, the connecting body 6 further comprises an inner disc body 62 concentrically arranged with the outer disc body 61 at an interval, a vertical second injection pipe 8 is arranged at the central position of the inner disc body 62, an inner ring fire cover 9 which is arranged with the inner disc body 62 and is provided with a second air mixing chamber 620 at the central position is further arranged on the inner disc body 62, the nozzle seat 51 is further provided with a primary air supplementing pipe 10 which is in fluid communication with the injector, the lower end opening 101 of the primary air supplementing pipe 10 is arranged on the base 5, and the inner disc body 62 is provided with an upper opening 621 which corresponds to the upper end opening 102 of the primary air supplementing pipe 10. As described above, the secondary air supply passage 4 is located on the fire cover body 1, and the primary air supply pipe 10 communicates with the nozzle holder 51, and the upper end opening 102 thereof corresponds to the upper opening 621 on the inner disc 62, i.e., is located below the fire cover body 1, i.e., no contention occurs in two spaces, and sufficient combustion of the fire cover body 1 can be promoted better.

To sum up, the fire outlet area 3 of the burner fire cover for the gas stove is annular in the radial direction and is arranged at intervals in the circumferential direction due to the separation of the partition blocks 2, a secondary air supplement channel 4 is formed above each partition block 2, so that the flame of the fire outlet area 3 is more fully combusted, a primary air supplement pipe 10 independently communicated with the first air mixing chamber is arranged on the nozzle seat 51 arranged at the air inlet 71 of the first injection pipe 7 communicated with the first air mixing chamber, and the upper end opening 102 of the primary air supplement pipe 10 is positioned below the fire cover body 1, so that the primary air is fully supplemented, and the struggle with the secondary air can be avoided.

Claims (5)

1. The burner fire cover for the gas stove comprises a fire cover body (1), wherein the fire cover body (1) comprises an annular top wall (11), the annular top wall (11) and an inner annular wall (12) and an outer annular wall (13) which vertically or obliquely extend downwards from the inner edge and the outer edge of the annular top wall (11) form a gas mixing cavity (14) together, and the burner fire cover is characterized in that: the annular top wall (11) is provided with at least two circles of annular seams (111) communicated with the air mixing cavity (14) at intervals along the radial direction, the lower surface of the annular top wall (11) is provided with at least two spacing blocks (2) at intervals along the circumferential direction, and each annular seam (111) is divided into corresponding fire outlet areas (3) by the adjacent spacing blocks (2).

2. Burner fire cover for gas cookers according to claim 1, characterized in that: and a secondary air supplement channel (4) which is lower than the upper surface of the annular top wall (11) is formed between the upper surface of each partition block (2) and each annular seam (111), and the secondary air supplement channel (4) can supplement secondary air to the adjacent fire outlet area (3).

3. Burner fire cover for gas cookers according to claim 1 or 2, characterized in that: the annular top wall (11) is gradually inclined outwards from top to bottom.

4. A burner using the burner fire cover of any one of claims 1 to 3, comprising:

a base (5) having a nozzle holder (51) and an ejector provided on the nozzle holder (51); the method is characterized in that: also includes:

the connecting body (6) is arranged on the base (5) and comprises an outer disc body (61), the outer disc body (61) is circumferentially provided with at least one first injection pipe (7) which is independent from each other at intervals, and the first injection pipe (7) is provided with an axis which is inclined relative to a horizontal plane; and

the fire cover body (1) is correspondingly arranged on the outer disc body (61), a first air mixing chamber (610) is formed between the air mixing cavities (14) of the outer disc body (61), the first air mixing chamber (610) corresponds to the first injection pipe (7), and the ejector and the air inlet (71) of the first injection pipe (7) are oppositely arranged.

5. The burner of claim 4, wherein: the connecting body (6) further comprises an inner disc body (62) concentrically arranged with the outer disc body (61) at an interval, a vertical second injection pipe (8) is arranged at the central position of the inner disc body (62), an inner ring fire cover (9) of a second air mixing chamber (620) located at the center is formed between the inner disc body (62) and the inner disc body, the nozzle seat (51) is further provided with a primary air supplementing pipe (10) in fluid communication with the ejector, a lower end opening (101) of the primary air supplementing pipe (10) is located on the base (5), and the inner disc body (62) is provided with an upper opening (621) corresponding to an upper end opening (102) of the primary air supplementing pipe (10).

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