CN210861093U

CN210861093U - Burner fire cover

Info

Publication number: CN210861093U
Application number: CN201921265222.0U
Authority: CN
Inventors: 张帅; 程永超; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-26
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a combustor fire lid, including fire lid body, fire lid body has the gas mixing chamber, and outer rampart is provided with the main fire hole in two at least intercommunication gas mixing chambers, its characterized in that along the circumference interval: still including dismantling the lid of connecting in the fire lid body, the lid has annular vertical wall, and vertical wall still interval is provided with two at least fire holes, and every fire hole sets up with every main fire hole one-to-one, and the vertical wall of lid is provided with at least one steady fire hole around every fire hole, and the lid still is provided with the air current reposition of redundant personnel piece to every main fire hole and steady fire hole that corresponds, compares with prior art, the utility model has the advantages of the jam of spilled liquid to the main fire hole of fire lid body can be blockked on the one hand to the lid, and on the other hand lid has the fire hole and the steady flame hole that correspond with the main fire hole of fire lid body, thereby steady flame goes out fire hole effective control main fire hole intensity, makes its play fire more stable.

Description

Burner fire cover

Technical Field

The utility model relates to a fire lid on the gas cooking utensils especially relates to a fire lid structure with better steady flame effect.

Background

In order to obtain better combustion efficiency, most of the existing stove burners are added with a flame stabilizing function. For example, the tapered fire cover for gas range burner disclosed in the utility model with the publication number of CN2842216Y and the burner fire cover disclosed in the utility model with the publication number of CN202149492U still have the defects that the flame is easy to jump and the combustion area is unstable after combustion. A lot of outer fire lid structures that have flame stabilizing function have been disclosed among the prior art, like the chinese utility model patent of patent number ZL200920112857.7 "a burning kitchen outer ring fire lid (the grant bulletin number is CN201377835Y), the flame stabilizing hole has been seted up on outer fire lid outside facade in this patent, the flame stabilizing hole be located outer loop fire hole below and with outer loop fire hole alternate arrangement, flame stabilizing hole inner end and fire lid's gas passageway intercommunication, because the setting up of flame stabilizing hole makes combustion efficiency improve greatly, can reduce indoor carbon monoxide's emission.

Although the improved structure obtains good technical effects, the improved structure has the following defects: firstly, the flame stabilizing effect does not reach the optimal state, and can be further improved; secondly, the overflowing liquid easily enters the main fire hole or the flame stabilizing hole to block the main fire channel or the flame stabilizing channel; and finally, the main fire channel or the flame stabilizing channel is not easy to clean after being blocked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a stable combustor fire lid burns is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the burner fire cover comprises a fire cover body, wherein a gas mixing cavity is formed between an annular top wall of the fire cover body 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, and the outer annular wall is provided with at least two main fire holes communicated with the gas mixing cavity at intervals along the circumferential direction, and the burner fire cover is characterized in that: the fire cover comprises a fire cover body and is characterized by further comprising a cover body which is detachably connected to the fire cover body, wherein the cover body is provided with an annular vertical wall which is located on the periphery of the outer annular wall, the vertical wall is further provided with at least two fire outlet holes at intervals, each fire outlet hole is aligned with each main fire hole one by one, at least one fire stabilizing hole is formed in the periphery of the vertical wall of the cover body around each fire outlet hole, and the cover body is further provided with a flow dividing piece which is used for dividing air flow of each main fire hole to the corresponding fire outlet hole and the corresponding fire stabilizing hole.

In order to facilitate the detachable connection between the cover body and the fire cover body, preferably, the vertical wall of the cover body further has a transverse portion extending in the horizontal direction of the fire cover body, and the cover body is detachably connected to the annular top wall of the fire cover body through the transverse portion.

In order to realize that the flow dividing element can be arranged between the main fire hole and the fire outlet hole to perform the flow dividing function, preferably, the flow dividing element is provided with at least two flow dividing elements which are arranged at intervals along the circumferential direction of the transverse part of the fire cover body, each flow dividing element is connected to the lower surface of the transverse part of the cover body and has a first gap with the vertical wall of the cover body, and has a second gap with the outer annular wall of the fire cover body. Meanwhile, the flow dividing piece only allows the mixed gas to flow out towards the main fire hole of the fire cover body and the fire outlet hole of the cover body, so that the mixed gas is effectively prevented from flowing back to avoid the tempering phenomenon.

In order to realize the effect that the splitter splits the main fire holes, preferably, each splitter has a convex arc part facing the corresponding main fire hole of the fire cover body, and the convex arc part has a splitter hole communicated with each fire outlet hole and each main fire hole, and the aperture of the splitter hole is smaller than that of the main fire hole.

For the purpose of flame stabilizing fire outlets, preferably, two fire stabilizing holes, namely a first fire stabilizing hole and a second fire stabilizing hole, are arranged around each fire outlet, and two ends of the convex arc part respectively face the first fire stabilizing hole and the second fire stabilizing hole. Simultaneously, two tip of protruding arc portion can divide into three with the air current of main fire hole, shunt to a fire outlet, first steady fire hole and the steady fire hole of second respectively, and then stabilize the burning in main fire hole.

In order to better divide the air flow of the main fire hole into the first fire stabilizing hole and the second fire stabilizing hole, the convex arc part is preferably provided with a locally concave flow guide part corresponding to the first fire stabilizing hole and the second fire stabilizing hole.

In order to better guide the airflow from the main fire hole to the first and second fire stabilizing holes, the two ends of the convex arc part preferably extend to the peripheries of the first and second fire stabilizing holes.

In order to facilitate the detachable connection between the cover body and the fire cover body, preferably, a positioning structure is provided between the transverse portion of the vertical wall of the cover body and the annular top wall of the fire cover body, so as to realize the detachable connection between the cover body and the fire cover body. When the overflowing liquid blocks the main fire hole, the fire outlet hole or the flame stabilizing hole, the fire cover body can be cleaned by disassembling the cover body.

Furthermore, the positioning structure comprises a projection arranged at the transverse part of the cover body and a notch which is arranged at the annular top wall of the fire cover body and can be matched with the projection.

Compared with the prior art, the utility model has the advantages of the lid that the fire lid body has the dismantlement to be connected the setting with it, this lid can block the jam of the main fire hole of flash to the fire lid body on the one hand, on the other hand lid has the play fire hole and the steady flame hole that correspond with the main fire hole of fire lid body, and the lid still is provided with the air current reposition of redundant personnel to every main fire hole to the reposition of redundant personnel piece in corresponding play fire hole and steady flame hole, thereby steady flame play fire hole can effective control main fire hole intensity, make it play fire more stable, in addition, the reposition of redundant personnel piece of lid sets up and only allows the gas mixture to flow towards the play fire hole and the steady flame hole of lid, then effectively prevent the backward flow of gas mixture in order to evade ground backfire phenomenon.

Drawings

FIG. 1 is a schematic view of a burner fire cover and a cover body connected according to an embodiment of the present invention;

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

fig. 3 is a schematic structural view of a cover body in an embodiment of the present invention;

fig. 4 is a schematic structural view of the fire cover body in the embodiment of the present invention.

Detailed Description

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

As shown in FIGS. 1 to 4, the preferred embodiment of the present invention is shown. The burner fire cover in the embodiment comprises a fire cover body 1, a gas mixing cavity 14 is formed between an annular top wall 11 of the fire cover body 1 and an inner annular wall 12 and an outer annular wall 13 which extend downwards from the inner edge and the outer edge of the annular top wall 11 vertically or obliquely, at least two main fire holes 131 communicated with the gas mixing cavity 14 are circumferentially arranged on the outer annular wall 13 at intervals, the burner fire cover further comprises a cover body 2 which can be detachably connected to the fire cover body 1, the cover body 2 is provided with an annular vertical wall 21 which is positioned at the periphery of the outer annular wall 13, at least two fire outlets 211 are further arranged on the vertical wall 21 at intervals, each fire outlet 211 is aligned with each main fire hole 131 one by one, at least one fire stabilizing hole is arranged on the vertical wall 21 of the cover body 2 around each fire outlet 211, and a flow dividing piece 22 for dividing the air flow of each main fire outlet 131 to the corresponding fire outlet 211 and fire stabilizing hole is further arranged on the cover body. This fire lid body 1 has the lid 2 of being connected the setting with it dismantlement, this lid 2 can block the jam of spilled liquid to the main fire hole 131 of fire lid body 1 on the one hand, on the other hand lid 2 has the play fire hole 211 and the steady fire hole corresponding with the main fire hole 131 of fire lid body 1, and lid 2 still is provided with the reposition of redundant personnel piece 22 that shunts every air current of main fire hole 131 to the play fire hole 211 and the steady fire hole that correspond, thereby steady fire hole can steady flame play fire hole 211 effective control main fire hole 131 intensity, make it go out the fire more stable, in addition, the reposition of redundant personnel piece 22 of lid 2 sets up and only allows the gas mixture to flow out towards the play fire hole 211 and the steady fire hole of lid 2, then effectively prevent the backward flow of gas mixture in order to avoid the phenomenon.

In order to facilitate the detachable connection of the cover body 2 and the fire lid body 1, it is preferable that the vertical wall 21 of the cover body 2 further has a horizontal portion 210 extending in the horizontal direction of the fire lid body 1, and the cover body 2 is detachably connected to the annular top wall 11 of the fire lid body 1 through the horizontal portion 210. In order to realize that the flow dividing elements 22 can be arranged between the main fire holes 131 and the fire outlet holes 211 to perform the flow dividing function, preferably, the flow dividing elements 22 have at least two and are arranged at intervals along the circumferential direction of the transverse part 210 of the fire cover body 1, each flow dividing element 22 is connected to the lower surface of the transverse part 210 of the cover body 2 and has a first gap 3 with the vertical wall 21 of the cover body 2, and has a second gap 4 with the outer annular wall 13 of the fire cover body 1. Meanwhile, the flow divider 22 only allows the mixture to flow out toward the main fire hole 131 of the fire cover body 1 and the fire outlet hole 211 of the cover body 2, so as to effectively prevent the mixture from flowing back to avoid the backfire phenomenon. In order to realize the function of the flow divider 22 to divide the main fire holes 131, it is preferable that each flow divider 22 has a convex arc portion 221, the convex arc portion 221 faces the corresponding main fire hole 131 of the fire cover body 1, and the convex arc portion 221 has a flow dividing hole 220 communicating with each fire outlet hole 211 and each main fire hole 131, the diameter of the flow dividing hole 220 is smaller than that of the main fire hole 131, for example, the diameter of the flow dividing hole is 3/5 of the main fire hole 131, wherein, for stabilizing the flame of the fire outlet holes 211, it is preferable that two fire stabilizing holes, namely a first fire stabilizing hole 212 and a second fire stabilizing hole 213, are provided around each fire outlet hole 211, and two ends of the convex arc portion 221 face the first fire stabilizing hole 212 and the second fire stabilizing hole 213, respectively. Meanwhile, the two ends of the convex arc part 221 can divide the airflow of the main fire hole 131 into three, and the three airflow are respectively divided into the fire outlet hole 211, the first fire stabilizing hole 212 and the second fire stabilizing hole 213, so that the combustion of the main fire hole 131 is stabilized.

In addition, in order to better divide the airflow of the main fire hole 131 to the first fire stabilizing hole 212 and the second fire stabilizing hole 213, the convex arc portion 221 of the embodiment has a partially concave flow guiding portion 2211 corresponding to the first fire stabilizing hole 212 and the second fire stabilizing hole 213. In order to better guide the air flow of the main fire hole 131 divided by the dividing hole to the first fire stabilizing hole 212 and the second fire stabilizing hole 213, both ends of the convex arc portion 221 preferably extend to the peripheries of the first fire stabilizing hole 212 and the second fire stabilizing hole 213, respectively. Finally, in order to facilitate the detachable connection between the cover body 2 and the fire cover body 1, a positioning structure is provided between the transverse portion 210 of the vertical wall 21 of the cover body 2 and the annular top wall 11 of the fire cover body 1, so as to realize the detachable connection between the two. When spilled liquid blocks the main fire hole 131, the fire outlet hole 211 or the flame stabilizing hole, the fire cover body 1 can be cleaned by disassembling the cover body 2. In view of the convenience of processing, the positioning structure includes a projection 2101 disposed on the transverse portion 210 of the lid body 2 and a notch 111 disposed on the annular top wall 11 of the fire lid body 1 and capable of being engaged with the projection 2101.

Claims

1. The burner fire cover comprises a fire cover body (1), wherein a gas mixing cavity (14) is formed between an annular top wall (11) of the fire cover body (1) 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), and the outer annular wall (13) is provided with at least two main fire holes (131) communicated with the gas mixing cavity (14) at intervals along the circumferential direction, and the burner fire cover is characterized in that: the fire cover is characterized by further comprising a cover body (2) detachably connected to the fire cover body (1), the cover body (2) is provided with an annular vertical wall (21) located on the periphery of the outer annular wall (13), the vertical wall (21) is further provided with at least two fire holes (211) at intervals, each fire hole (211) is aligned with each main fire hole (131) one by one, at least one fire stabilizing hole is formed in the periphery of the vertical wall (21) of the cover body (2) surrounding each fire hole (211), and a shunting piece (22) is further arranged on the cover body (2) and used for shunting airflow of each main fire hole (131) to the corresponding fire holes (211) and fire stabilizing holes.

2. The burner fire cover of claim 1, wherein: the vertical wall (21) of the cover body (2) is also provided with a transverse part (210) extending towards the horizontal direction of the fire cover body (1), and the cover body (2) is detachably connected to the annular top wall (11) of the fire cover body (1) through the transverse part (210).

3. The burner fire cover of claim 2, wherein: the flow dividing pieces (22) are at least two and are arranged at intervals along the circumferential direction of the transverse part (210) of the fire cover body (1), each flow dividing piece (22) is connected to the lower surface of the transverse part (210) of the cover body (2), a first gap (3) is formed between each flow dividing piece and the vertical wall (21) of the cover body (2), and a second gap (4) is formed between each flow dividing piece and the outer ring wall (13) of the fire cover body (1).

4. The burner fire cover of claim 3, wherein: each flow dividing piece (22) is provided with a convex arc part (221), the convex arc part (221) faces the corresponding main fire hole (131) of the fire cover body (1), the convex arc part (221) is provided with flow dividing holes (220) communicated with each fire outlet hole (211) and each main fire hole (131), and the diameter of each flow dividing hole (220) is smaller than that of each main fire hole (131).

5. The burner fire cover of claim 4, wherein: two fire stabilizing holes, namely a first fire stabilizing hole (212) and a second fire stabilizing hole (213), are arranged around each fire outlet hole (211), and two ends of the convex arc part (221) face the first fire stabilizing hole (212) and the second fire stabilizing hole (213) respectively.

6. The burner fire cover of claim 5, wherein: the convex arc part (221) is provided with a locally concave flow guide part (2211) corresponding to the first fire stabilizing hole (212) and the second fire stabilizing hole (213).

7. The burner fire cover of claim 6, wherein: two ends of the convex arc part (221) respectively extend to the peripheries of the first fire stabilizing hole (212) and the second fire stabilizing hole (213).

8. The burner fire cover according to any one of claims 2 to 7, characterized in that: a positioning structure is arranged between the transverse part (210) of the vertical wall (21) of the cover body (2) and the annular top wall (11) of the fire cover body (1) so as to realize the detachable connection of the two.

9. The burner fire cover of claim 8, wherein: the positioning structure comprises a lug (2101) arranged on the transverse part (210) of the cover body (2) and a notch (111) which is arranged on the annular top wall (11) of the fire cover body (1) and can be matched with the lug (2101).