CN212805642U - Burner with a burner head - Google Patents

Abstract

The utility model discloses a burner, which comprises an inner ring fire cover, an outer ring fire cover and a middle bracket; the outer ring fire cover is annularly arranged on the inner ring fire cover, and covers the middle bracket; the outer ring fire cover and the middle support jointly form a gas mixing cavity, the gas mixing cavity is divided into a plurality of gas mixing chambers through a plurality of partition walls, fire transfer holes are formed in the partition walls, and the fire transfer holes are communicated with the inner peripheral wall and the outer peripheral wall of the outer ring fire cover. Set up on the partition wall that is used for separating the gas mixing chamber and pass the fire hole, form hidden biography fire hole, can reduce the manufacturing cost of outer ring fire lid, can avoid setting up in addition and passing the fire hole and lead to occupying the space in the gas mixing chamber or form comparatively obvious protruding portion at outer ring fire lid upper surface.

Description

Burner with a burner head

Technical Field

The utility model relates to a cooking utensils field, in particular to combustor.

Background

At present, the multi-channel upper air inlet burner of the air mixing chamber in the market is not subjected to chamber division treatment, so that if one nozzle is blocked, the risk of back flow of an injection pipe from the other side in case of fire exists, and safety accidents are easily caused.

In addition, fire transmission grooves (fire transmission holes) for transmitting flame between an inner ring and an outer ring on a combustor seen in the market are basically exposed outside, are easily dried by the external environment and are easily blocked by impurities and foreign matters to influence the normal use of the cooker. Moreover, the outer ring fire cover is additionally provided with a fire transfer groove (fire transfer hole), resulting in an increase in the manufacturing cost of the outer ring fire cover.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to cover in order to overcome outer ring fire and need set up the defect of biography fire groove in addition, provide a combustor.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a burner comprises an inner ring fire cover, an outer ring fire cover and a middle bracket;

the outer ring fire cover is annularly arranged on the inner ring fire cover, and covers the middle bracket;

the outer ring fire cover and the middle support jointly form a gas mixing cavity, the gas mixing cavity is divided into a plurality of gas mixing chambers through a plurality of partition walls, fire transfer holes are formed in the partition walls, and the fire transfer holes are communicated with the inner peripheral wall and the outer peripheral wall of the outer ring fire cover.

In this scheme, set up on the partition wall that is used for separating the gas mixing chamber and pass the fire hole, form hidden biography fire hole, can reduce the manufacturing cost of outer ring fire lid, can avoid setting up in addition that the part sets up in addition and passes the fire hole and lead to occuping the space in the gas mixing chamber or cover the upper surface at outer ring fire and form comparatively obvious protruding portion.

Preferably, the fire hole is formed in the outer ring fire cover.

Preferably, the partition wall includes a first rib portion provided in the outer fire cover, and a second rib portion provided in the intermediate bracket, and the fire transfer hole is provided in the first rib portion.

Preferably, the burner has two of the fire transfer holes, and the two fire transfer holes are oppositely arranged.

Preferably, the burner has two of the partition walls, the two partition walls being disposed oppositely.

Preferably, the combustor further comprises a plurality of gas channels, and the gas channels are communicated with the gas mixing chamber and are arranged one by one corresponding to the gas mixing chamber.

Preferably, the lower surface of the outer ring fire cover is provided with a positioning rod, the middle support is provided with a positioning hole, and the positioning rod is inserted into the positioning hole.

Preferably, the locating lever is located the periphery wall of outer ring fire lid, the locating hole is located the periphery wall of intermediate strut.

Preferably, a plurality of fire holes are formed in the outer peripheral wall of the outer ring fire cover.

Preferably, the hole wall of the fire transfer hole is provided with a plurality of communicating holes communicated with the gas mixing chamber.

The utility model discloses an actively advance the effect and lie in: the combustor is provided with the fire transfer holes on the partition wall for separating the gas mixing chamber to form the hidden fire transfer holes, so that the manufacturing cost of the outer ring fire cover can be reduced, and the situation that the additional part is arranged to set the fire transfer holes to occupy the space in the gas mixing chamber or the upper surface of the outer ring fire cover forms a more obvious protruding part can be avoided

Drawings

Fig. 1 is a schematic perspective view of a burner according to an embodiment of the present invention.

Fig. 2 is a schematic top view of a burner according to an embodiment of the present invention.

Fig. 3 is a schematic sectional structure view taken along line a-a in fig. 2.

Fig. 4 is a schematic perspective view of an outer ring fire cover according to an embodiment of the present invention.

Fig. 5 is another perspective view of a burner according to an embodiment of the present invention, in which an outer ring fire cover is removed.

Fig. 6 is a schematic perspective view of a burner as seen from below according to an embodiment of the present invention.

Description of reference numerals:

burner 100

Inner ring fire lid 101

Outer ring fire cover 102

Middle support 103

Mounting plate 104

Combustion channel 105

Air outlet 107

Gas mixing chamber 111

Partition wall 120

First rib 121

Second rib portion 122

Fire transfer hole 125

Communication hole 127

Gas nozzle 131

Fire hole 141

Positioning rod 151

Positioning hole 152

Detailed Description

The present invention will be further described by way of examples with reference to the accompanying drawings, which are not intended to limit the scope of the invention.

As shown in fig. 1-6, the burner 100 includes an inner ring fire cover 101, an outer ring fire cover 102, an intermediate bracket 103, a mounting plate 104, and a combustion channel 105.

The outer ring fire cover 102 is arranged around the inner ring fire cover 101, and the outer ring fire cover 102 covers the middle support 103. The mounting plate 104 is disposed below the intermediate bracket 103 to support mounting of other components such as a combustion duct 105.

As shown in fig. 4 to 5, the outer fire cover 102 and the middle bracket 103 together form a gas mixing chamber, the gas mixing chamber is partitioned into a plurality of gas mixing chambers 111 by a plurality of partition walls 120, and fire transfer holes 125 are formed in the partition walls 120, the fire transfer holes 125 communicating the inner circumferential wall and the outer circumferential wall of the outer fire cover 102.

The fire holes 125 are formed in the partition wall 120 for partitioning the gas mixing chamber 111 to form the hidden fire holes 125, so that the manufacturing cost of the outer fire cover 102 can be reduced, and the phenomenon that the fire holes 125 are formed by additional components to occupy the space in the gas mixing chamber 111 or form a relatively obvious protrusion on the upper surface of the outer fire cover 102 can be avoided.

As shown in fig. 3, the fire-transmitting holes 125 are formed in the outer ring fire cover 102.

The partition wall 120 includes a first rib portion 121 and a second rib portion 122, the first rib portion 121 is provided in the outer fire cover 102, the second rib portion 122 is provided in the intermediate bracket 103, and the fire transfer holes 125 are provided in the first rib portion 121. The lower surface of the first rib portion 121 and the upper surface of the second rib portion 122 are closely attached to form an airtight partition wall 120, which partitions the air-mixing chamber into separate air-mixing chambers 111.

The fire holes 141 of the burner 100 are respectively provided on the outer peripheral wall of the outer ring fire cover 102 and the outer peripheral wall of the inner ring fire cover 101, and the fire transfer holes 125 transfer flames of the fire holes 141 of the inner ring fire cover 101 to the fire holes 141 of the outer ring fire cover 102.

The wall of the fire transfer hole 125 is also provided with a plurality of communicating holes 127 communicated with the gas mixing chamber 111, the diameter of the communicating holes 127 is smaller than that of the fire holes 141, and the communicating holes are used for supplying a small amount of mixed gas in the gas mixing chamber 111 into the fire transfer hole 125 to assist the flame transfer.

In the present embodiment, only two partition walls 120 are provided to partition the gas mixing chamber formed by the outer ring fire cover 102 and the middle bracket 103 into two gas mixing chambers 111, and one fire transfer hole 125 is provided in each partition wall 120. However, the present invention is not limited thereto, and those skilled in the art may provide more than three partition walls 120 as necessary to form more than three gas mixing chambers 111 and fire transfer holes 125.

In the present embodiment, the two partition walls 120 are disposed opposite to each other, i.e., 180 ° apart in the circumferential direction, and the two fire-transmitting holes 125 are also disposed opposite to each other. The present invention is not limited thereto, and those skilled in the art may set the relative positions of the partition wall 120 and the fire transfer holes 125 as desired.

As shown in fig. 3, the lower surface of the outer ring fire cover 102 is provided with a positioning rod 151, the middle bracket 103 is provided with a positioning hole 152, the positioning rod 151 is inserted into the positioning hole 152, the positioning rod 151 is arranged on the outer peripheral wall of the outer ring fire cover 102, and the positioning hole 152 is arranged on the outer peripheral wall of the middle bracket 103, so as to facilitate the positioning and installation of the outer ring fire cover 102 relative to the middle bracket 103.

The gas channels are communicated with the gas mixing chamber 111 and are arranged one by one corresponding to the gas mixing chamber 111. And one gas nozzle 131 is provided for each gas passage.

As shown in fig. 5, in the present embodiment, in the gas mixing chamber 111, the gas outlets 107 of two gas passages (injection pipes) are respectively disposed at two sides of a partition wall 120, but the present invention is not limited thereto.

The burner 100 of the present embodiment also has the following effects:

1. the outer ring fire cover 102 is matched with the positioning hole 152 through the positioning rod 151, so that the first rib part 121 on the outer ring fire cover 102 is vertically attached to the second rib part 122 on the middle bracket 103 to divide the gas mixing cavity into two independent gas mixing chambers 111, and one injection pipe corresponds to one gas mixing chamber 111, so that air flows cannot interfere with each other, the mixing effect can be improved, and the efficiency is improved;

2. the outer ring fire cover 102 is matched with the positioning hole 152 through the positioning rod 151, so that the first rib part 121 on the outer ring fire cover 102 is vertically attached to the second rib part 122 on the middle bracket 103, the gas mixing cavity is divided into two independent gas mixing chambers 111, the two gas mixing chambers 111 are equivalent to two independent combustors 100, the aperture of a nozzle can be adjusted according to the requirements of a user, and the difference of the flame sizes of different half sides corresponding to the two gas mixing chambers 111 is realized on one combustor 100 (for example, the smaller flame outlet close to the half side of a person is larger than the larger flame close to the half side of a wall, so that the radiation of the flame to the person can be effectively reduced);

3. the outer ring fire cover 102 is matched with the positioning hole 152 through the positioning rod 151, so that the first rib part 121 on the outer ring fire cover 102 is vertically attached to the second rib part 122 on the middle bracket 103, the gas mixing cavity is divided into two independent gas mixing chambers 111, after the gas nozzle 131 for providing gas for one gas mixing chamber 111 is blocked, the airflow in the other gas mixing chamber 111 cannot flow into the gas mixing chamber 111 with the blocked gas nozzle 131, and potential safety hazards are avoided;

4. the hidden fire transfer hole 125 part of the outer ring fire cover 102 and the part for separating the air mixing cavity share the same material, so that the structure is simple, the volume in the air mixing cavity can be increased, the material of the fire cover can be reduced, and the cost is reduced.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships of devices or elements in normal use, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation at any time, and therefore, should not be construed as limiting the present invention in this respect.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (10)

1. A burner, comprising: the inner ring fire cover, the outer ring fire cover and the middle bracket;

the outer ring fire cover is annularly arranged on the inner ring fire cover, and covers the middle bracket;

the outer ring fire cover is characterized in that the outer ring fire cover and the middle support jointly form a gas mixing cavity, the gas mixing cavity is divided into a plurality of gas mixing chambers through a plurality of partition walls, fire transfer holes are formed in the partition walls, and the fire transfer holes are communicated with the inner peripheral wall and the outer peripheral wall of the outer ring fire cover.

2. The burner of claim 1, wherein the flame transfer holes are formed in the outer ring flame cover.

3. The burner of claim 2, wherein the partition wall includes a first rib portion provided in the outer ring cap, and a second rib portion provided in the intermediate bracket, and the flame-transmitting holes are provided in the first rib portion.

4. The burner of claim 1, wherein the burner has two of the flame transfer holes, the two flame transfer holes being oppositely disposed.

5. The burner of claim 1, wherein the burner has two of the divider walls, the two divider walls being disposed opposite one another.

6. The burner of claim 1, further comprising a plurality of gas passages, wherein the gas passages are communicated with the gas mixing chamber and are arranged one by one corresponding to the gas mixing chamber.

7. The burner of claim 1, wherein the lower surface of the outer ring fire cover is provided with a positioning rod, the middle bracket is provided with a positioning hole, and the positioning rod is inserted into the positioning hole.

8. The burner of claim 7, wherein the alignment pins are disposed on the outer peripheral wall of the outer ring fire cover, and the alignment holes are disposed on the outer peripheral wall of the intermediate bracket.

9. The burner of claim 1, wherein the outer peripheral wall of the outer ring fire cover is provided with a plurality of fire holes.

10. The burner of claim 1, wherein the wall of the flame-transmitting hole is provided with a plurality of communicating holes communicated with the gas-mixing chamber.

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