CN219283323U - Fire cover, burner and kitchen range - Google Patents

Abstract

The utility model provides a fire cover, a burner and a stove. The fire cover includes a fire cover body. The fire cover main body is of an annular structure, a plurality of fire groove groups are arranged on the top surface of the fire cover main body at intervals, each fire groove group comprises a main fire groove and a flame stabilizing groove, the main fire grooves and the flame stabilizing grooves are respectively arranged along the radial extension of the fire cover main body, and the flame stabilizing grooves are arranged on one sides of the main fire grooves. The fire cover extends along the radial direction of the fire cover main body of the annular structure through the main fire groove and the steady firework groove, so that secondary air can be uniformly supplemented from the two sides of the main fire groove and the steady firework groove, and flames are clear and bright.

Description

Fire cover, burner and kitchen range

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a fire cover, a burner and a kitchen range.

Background

Generally, the grooving fire cover is used for solving the problem of flame separation, and a bevel cutting fire groove is selected so as to reduce the gas outlet speed of a fire hole, but also enable the flame to be discharged at an inclined angle on the upper surface, and the included angle exists between the concave surface (the surface of the flame, where the included angle between the fire hole and the fire cover surface is an acute angle) and the fire cover, so that secondary air is not easy to supplement, the flame outline is unclear, moreover, the bevel cutting fire hole cannot well improve the flame separation working condition, more air doors are needed to be closed, the flame tail is longer, and the smoke is higher, so that the thermal efficiency is reduced by adopting measures for reducing the smoke.

Disclosure of Invention

The utility model aims to provide a fire cover, which enables air to be uniformly supplemented with secondary air from two sides of a main fire groove and a stable firework groove by extending the main fire groove and the stable firework groove along the radial direction of a fire cover main body of an annular structure, so that flames are clear and bright.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the present utility model, there is provided a fire cover including a fire cover body. The fire cover main body is of an annular structure, a plurality of fire groove groups are arranged on the top surface of the fire cover main body at intervals, each fire groove group comprises a main fire groove and a flame stabilizing groove, the main fire grooves and the flame stabilizing grooves are respectively arranged along the radial extension of the fire cover main body, and the flame stabilizing grooves are arranged on one sides of the main fire grooves.

According to an embodiment of the utility model, the groove width of the flame stabilizing groove is smaller than the groove width of the main flame groove.

According to one embodiment of the utility model, the fire cover main body comprises a fire cover inner side wall, a fire cover top wall and a fire cover outer side wall which are sequentially connected, so as to enclose and form an air inlet cavity, and the fire groove group is arranged on the fire cover top wall.

According to one embodiment of the utility model, at least one sensing hole is formed in the inner side wall of the fire cover, and a thermocouple or a sensing needle penetrates through the sensing hole.

According to an embodiment of the utility model, the number of the sensing holes corresponds to the number of the fire groove groups, and the sensing holes are arranged on the inner side wall of the fire cover corresponding to the space between two adjacent fire groove groups.

According to one embodiment of the utility model, at least one fire transmission hole is formed in the inner side wall of the fire cover and/or the outer side wall of the fire cover.

According to one embodiment of the utility model, the number of the fire transfer holes is nine, and the nine fire transfer holes are arranged at equal intervals and form an isosceles trapezoid with wide upper part and narrow lower part.

According to one embodiment of the utility model, the fire cover main body is provided with a locating plate in a downward extending mode.

According to another aspect of the present utility model, a burner is provided. The burner comprises the fire cover and the distributor. The fire cover is characterized in that the fire distributor encloses and forms an air inlet channel, the fire distributor is provided with a positioning hole, and a positioning plate of the fire cover main body is inserted in the positioning hole so as to be communicated with the air inlet cavity and the air inlet channel.

According to another aspect of the present utility model, a cooktop is provided. The stove comprises the burner and a shell. The fire distributor is characterized in that the shell is provided with a combustion hole, the burner is connected with the shell, and the top of the distributor extends out of the inner cavity of the shell through the combustion hole, so that the fire cover is arranged outside the shell.

One embodiment of the present utility model has the following advantages or benefits:

according to the flame cover, the main flame groove and the flame stabilizing flame groove extend along the radial direction of the flame cover main body with the annular structure, so that secondary air can be uniformly supplemented from two sides of the main flame groove and the flame stabilizing flame groove, and flames are clear and bright; the groove width of the flame stabilizing groove is smaller than that of the main flame groove, so that the problem of flame separation of the flame cover can be solved; the induction holes are formed in the inner side walls of the fire cover corresponding to the two adjacent fire groove groups, the induction holes can be used for installing thermocouples or induction needles, and the induction holes can be used as auxiliary fire holes when a certain number of fire groove groups are arranged at the top of the fire cover, so that the heat load of the burner is increased.

Drawings

The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a perspective view of a fire cover according to an exemplary embodiment.

Fig. 2 is another perspective view of a fire cover shown in accordance with an exemplary embodiment.

Wherein reference numerals are as follows:

1. a fire cover body; 11. a fire trough group; 111. a main fire tank; 112. a firework stabilizing groove; 12. the inner side wall of the fire cover; 121. an induction hole; 13. a fire cover top wall; 14. the outer side wall of the fire cover; 141. and a fire transmission hole.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.

As shown in fig. 1 to 2, fig. 1 shows a perspective view of a fire cover provided by the present utility model. Fig. 2 shows another perspective view of a fire cover provided by the utility model.

The fire cover of the embodiment of the utility model comprises a fire cover main body 1. The fire cover main body 1 is of an annular structure, a plurality of fire groove groups 11 are arranged on the top surface of the fire cover main body 1 at intervals, each fire groove group 11 comprises a main fire groove 111 and a flame stabilizing groove 112, the main fire grooves 111 and the flame stabilizing grooves 112 are respectively arranged along the radial extension of the fire cover main body 1, and the flame stabilizing grooves 112 are arranged on one side of the main fire grooves 111.

As shown in fig. 1 and 2, the fire cover main body 1 is in a ring structure and encloses an air inlet cavity with an opening at the lower part, a plurality of fire groove groups 11 are arranged at the top of the fire cover main body 1 at intervals, and the main fire grooves 111 and the flame stabilizing fire grooves 112 extend along the radial direction of the fire cover main body 1 with the ring structure, so that air can uniformly supplement secondary air from two sides of the main fire grooves 111 and the flame stabilizing fire grooves 112, flames are clear and bright, each fire groove group 11 comprises one main fire groove 111 and one flame stabilizing fire groove 112, and the width between two adjacent fire groove groups 11 is larger than the width between the main fire groove 111 and the flame stabilizing fire groove 112, so that each main fire groove 111 can be supplemented with more air.

In a preferred embodiment of the utility model, the flame stabilizing slot 112 has a slot width that is less than the slot width of the main flame slot 111.

As shown in fig. 1 and 2, the groove width of the flame stabilizing groove 112 is smaller than that of the main flame groove 111, so that the problem of flame separation of the flame cover can be solved, the groove width of the main flame groove 111 is larger, a sufficient air outlet area is provided for the flame cover, the groove width of the flame stabilizing groove 112 is smaller, the air outlet area is also small, and the gas resistance is large, so that the flame cannot be separated, and the gas of the main flame groove 111 can be combusted stably.

In a preferred embodiment of the present utility model, the fire cover main body 1 includes a fire cover inner side wall 12, a fire cover top wall 13 and a fire cover outer side wall 14 connected in sequence to enclose an air intake chamber, and the fire groove group 11 is provided on the fire cover top wall 13.

As shown in fig. 1 and 2, the fire cover top wall 13 is circular, the fire cover inner side wall 12 extends downward from the inner side edge of the fire cover top wall 13, and the fire cover outer side wall 14 extends downward from the outer side edge of the fire cover top wall 13, so as to enclose an air intake cavity with a lower end opening formed in an approximately inverted "U" shape, so as to be connected with a distributor, and the fire groove group 11 is arranged along the radial direction of the fire cover top wall 13, so as to sufficiently supplement secondary air for the main fire groove 111 and the stable flame groove 112.

In a preferred embodiment of the utility model, the inner side wall 12 of the fire cover is provided with at least one sensing hole 121, and a thermocouple or a sensing needle is provided to penetrate into the sensing hole 121. The number of the sensing holes 121 corresponds to that of the fire groove groups 11, and the sensing holes 121 are arranged on the inner side wall 12 of the fire cover corresponding to the space between two adjacent fire groove groups 11.

As shown in fig. 1 and 2, the number of the sensing holes 121 may be one or plural, when the number of the sensing holes 121 is one, the sensing holes may be used as a thermocouple or a sensing needle, and the installation direction of the fire cover and the distributor is fixed, when the number of the sensing holes 121 is plural, the position of the fire cover may be optionally adjusted around the circumference of the fire cover when the fire cover and the distributor are installed, so that the thermocouple or the sensing needle is arranged in the sensing hole 121 corresponding to the position where the thermocouple needs to be arranged, each sensing hole 121 is arranged between two adjacent fire groove groups 11, or may be arranged on the inner side wall 12 of the fire cover corresponding to the position between the main fire groove 111 and the flame stabilizing fire groove 112, and if the fire cover top wall 13 only can be provided with a certain number of fire groove groups 11, the sensing holes 121 may also be used as auxiliary fire holes when the heat load of the burner needs to be increased.

In a preferred embodiment of the present utility model, the inner fire cover side wall 12 and/or the outer fire cover side wall 14 are provided with at least one fire transfer hole 141.

As shown in fig. 1 and 2, in general, a burner includes a center fire cover and an outer fire cover, when a fire cover main body 1 is used as the center fire cover, a fire transfer hole 141 is provided in an outer side wall 14 of the fire cover to transfer fire of the center fire cover to the outer ring fire cover, when the fire cover main body 1 is used as the outer fire cover, a fire transfer hole 141 is provided in an inner side wall 12 of the fire cover to transfer fire of the outer fire cover to the center fire cover, and when the burner includes the center fire cover, an inner ring fire cover and an outer ring fire cover, when the fire cover of the embodiment of the present utility model is used for the inner ring fire cover, a fire transfer hole 141 may be provided in both an inner side wall 12 of the fire cover and an outer side wall 14 of the fire cover, and simultaneously transfer fire on the inner ring fire cover to the center fire cover and the outer ring fire cover.

In a preferred embodiment of the present utility model, the number of the fire transfer holes 141 is nine, and the nine fire transfer holes 141 are equally spaced in the shape of an isosceles trapezoid with a wide upper part and a narrow lower part.

As shown in fig. 1 and 2, nine fire transfer holes 141 are divided into two rows, the distance between the upper rows is relatively short, the number of the upper rows of fire transfer holes 141 is five, the transfer of flames is easier, and the ignition of the lower rows of fire transfer holes 141 can assist the more stable combustion of the upper rows of fire transfer holes 141, so that the convenience of flame transfer is further increased.

In a preferred embodiment of the utility model, the fire cover body 1 is provided with a locating plate extending downwards.

As shown in fig. 1 and 2, when the fire cover main body 1 is connected with the fire distributor, the fire distributor is provided with a positioning hole corresponding to the position where the fire cover main body 1 needs to be arranged, and after the positioning plate is inserted into the positioning hole, the fire cover main body 1 can be prevented from deflecting along the central axis thereof.

According to the flame cover, the main flame groove 111 and the flame stabilizing groove 112 extend along the radial direction of the flame cover main body 1 with the annular structure, so that secondary air can be uniformly supplemented from two sides of the main flame groove 111 and the flame stabilizing groove 112, and flames are clear and bright; the groove width of the firework stabilizing groove 112 is smaller than that of the main firework groove 111, so that the problem of flame separation of the fire cover can be solved; the induction holes 121 are formed in the inner side walls 12 of the fire cover corresponding to the two adjacent fire groove groups 11, so that the fire cover can be used for installing thermocouples or induction needles, and can be used as auxiliary fire holes when a certain number of fire groove groups 11 are arranged at the top of the fire cover, and the heat load of the burner is increased.

The burner of the embodiment of the utility model comprises the fire cover and the distributor. The distributor encloses to establish and forms the inlet channel, and the locating hole has been seted up to the distributor, and the locating plate of fire lid main part 1 inserts and locates in the locating hole to intercommunication inlet chamber and inlet channel.

Wherein, the distributor encloses to establish and forms the air inlet channel, when fire lid main part 1 is used for central fire lid, and the air inlet channel is central air inlet channel, and when fire lid main part 1 is used for interior ring fire lid or outer ring fire lid, the air inlet channel is interior ring air inlet channel or outer ring air inlet channel for the position of air inlet channel and fire lid main part 1 is corresponding, and the locating plate inserts and locates in the locating hole, can also be that fire lid inside wall 12 is connected with the inside wall of air inlet channel, and fire lid lateral wall 14 is connected with the lateral wall of air inlet channel, thereby can communicate air inlet channel and inlet chamber.

The kitchen range of the embodiment of the utility model comprises the burner and the shell. The shell is provided with a combustion hole, the burner is connected with the shell, and the top of the distributor extends out of the inner cavity of the shell through the combustion hole, so that the fire cover is arranged outside the shell.

The burner comprises a shell, a fire cover, a fire distributor, a burner, a combustion hole and a flame cover, wherein the combustion hole is formed in the top of the shell, after the burner is fixedly connected with the bottom of the shell, the whole distributor or the burner is contained in an inner cavity formed by surrounding the shell, and the burner top where the fire cover is located extends out of the inner cavity through the combustion hole, so that the fire cover can be arranged outside the inner cavity formed by surrounding the shell.

In embodiments of the present utility model, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model and is not intended to limit the embodiment of the present utility model, and various modifications and variations can be made to the embodiment of the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims (10)

1. A fire cover, comprising:

the fire cover comprises a fire cover main body (1), wherein the fire cover main body (1) is of an annular structure, a plurality of fire groove groups (11) are arranged on the top surface of the fire cover main body (1) at intervals, each fire groove group (11) comprises a main fire groove (111) and a flame stabilizing fire groove (112) which are respectively arranged along the radial extension of the fire cover main body (1), and the flame stabilizing fire groove (112) is arranged on one side of the main fire groove (111).

2. A fire cover according to claim 1, characterized in that the groove width of the flame stabilizing groove (112) is smaller than the groove width of the main fire groove (111).

3. Fire cover according to claim 1, characterized in that the fire cover main body (1) comprises a fire cover inner side wall (12), a fire cover top wall (13) and a fire cover outer side wall (14) which are connected in sequence so as to enclose an air inlet cavity, and the fire groove group (11) is arranged on the fire cover top wall (13).

4. A fire cover according to claim 3, characterized in that the inner side wall (12) of the fire cover is provided with at least one sensing hole (121), a thermocouple or a sensing needle being provided through the sensing hole (121).

5. A fire cover according to claim 4, wherein the number of sensing holes (121) corresponds to the number of fire groove groups (11), the sensing holes (121) being provided in the inner side wall (12) of the fire cover between two adjacent fire groove groups (11).

6. A fire cover according to claim 3, characterized in that the inner fire cover side wall (12) and/or the outer fire cover side wall (14) is provided with at least one fire transfer hole (141).

7. The fire cover according to claim 6, wherein the number of the fire transfer holes (141) is nine, and the nine fire transfer holes (141) are arranged at equal intervals in the shape of an isosceles trapezoid with wider upper part and narrower lower part.

8. Fire cover according to claim 6, characterized in that the fire cover body (1) is provided with a positioning plate extending downwards.

9. A burner, comprising:

a fire cover as claimed in any one of claims 1 to 8; and

the fire cover comprises a fire distributor, wherein an air inlet channel is formed by surrounding the fire distributor, a positioning hole is formed in the fire distributor, and a positioning plate of the fire cover main body (1) is inserted into the positioning hole so as to be communicated with the air inlet cavity and the air inlet channel.

10. A cooktop, comprising:

the burner of claim 9; and

the fire distributor comprises a shell, wherein a combustion hole is formed in the shell, the burner is connected with the shell, and the top of the distributor extends out of an inner cavity of the shell through the combustion hole so that the fire cover is arranged outside the shell.

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