CN215523289U - Inner ring fire cover for combustor - Google Patents

Abstract

The utility model relates to an inner ring fire cover for a combustor, which comprises an inner ring fire cover and a cover body covering the inner ring fire cover, wherein the inner ring fire cover comprises an inner ring wall and an outer ring wall which are arranged at intervals, a central cavity is enclosed by the inner ring wall, and a peripheral cavity is enclosed by the inner ring wall and the outer ring wall, and the inner ring fire cover is characterized in that: compared with the prior art, the utility model has the advantages that the center of the cover body is provided with a central hole communicated with the central cavity, the periphery of the cover body adjacent to the central hole is provided with a first groove for storing overflowing liquid, and the cover body has the following advantages: the center of the inner ring fire cover is provided with a central hole communicated with the central cavity, and the periphery of the cover body adjacent to the central hole is provided with a first groove for storing overflowing liquid, so that overflowing liquid generated in the cooking process can be reserved in the first groove in advance, and a better overflowing preventing effect is achieved.

Description

Inner ring fire cover for combustor

Technical Field

The utility model relates to the technical field of household kitchen utensils, in particular to an inner ring fire cover with a good flame stabilizing effect.

Background

At present, the fire cover of a gas stove usually comprises an inner ring fire cover and an outer ring fire cover, the heating mode of the fire cover to a pot body is basically the mode of combining an outer ring flame and an inner ring flame, but the center of the fire ring still has no flame, which can cause the heating effect of the center position of the pot bottom to be poor, therefore, the applicant provides an inner ring fire cover which can integrate an inner ring and a middle ring into a whole and can vertically and upwardly directly spray burning flame, and the burner of the domestic gas stove, like the Chinese utility model with the patent number ZL201420412292.5 (the granted number is CN204063043U), the body of the fire cover is provided with an inner ring wall and an outer ring wall, a central through hole is formed in the center of the inner ring wall, an annular channel is formed between the inner ring wall and the outer ring wall, a through hole is formed at the bottom of the annular channel, and the upper cover is of a sheet structure with meshes, the structure can lead the combustion of the inner ring fire cover to be concentrated, and the heat loss brought away by the secondary air is less, so the combustion temperature is higher, and the heat efficiency is better; in addition, the outer ring wall of the fire cover is provided with a thermocouple fire-protecting vent hole and an ignition vent hole, and although the upper cover of the fire cover is of a sheet structure with mesh holes, the probability of blockage by overflowing liquid is smaller than that of the fire cover with the general peripheral annular fire hole, but the situation that the upper cover is blocked by overflowing liquid cannot be avoided, so that the fire cover needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide an inner ring cap for a burner, which is not easily blocked by a liquid spill.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this an inner ring fire lid for combustor, including inner ring fire lid and the lid that covers on it, inner ring fire lid includes interior rampart and the outer rampart that inside and outside interval set up, the rampart encloses into there is central cavity, the rampart encloses into outer rampart with outer rampart jointly and has peripheral cavity, its characterized in that: the cover body is provided with a central hole communicated with the central cavity at the center, and a first groove for storing overflowing liquid is arranged on the periphery of the cover body close to the central hole.

In order to realize the outward discharge of the overflowing liquid, preferably, the first groove is provided with an overflowing liquid channel capable of discharging the overflowing liquid to the outside of the outer ring wall.

The overflow channel can be arranged in various ways, wherein from the viewpoint of simple structure, preferably, the lower ends of the inner ring wall and the outer ring wall of the inner ring fire cover are connected with a bottom wall, the bottom wall is provided with a through hole for gas to enter the peripheral cavity, the inlet of the overflow channel is arranged on the first groove, the outlet of the overflow channel is arranged on the outer ring wall, and the channel for communicating the inlet and the outlet of the overflow channel comprises a vertical pipeline arranged on the inner ring wall and a transverse pipeline arranged on the bottom wall and connected with the vertical pipeline.

In order to accelerate the discharge of the overflow, the transverse ducts are preferably inclined downwards from the inside towards the outside.

Furthermore, the central hole is covered with a cover plate, the cover plate is of a sheet structure fully distributed with fire holes, fire holes are circumferentially arranged at intervals at the position of the cover body corresponding to the peripheral cavity, and flame stabilizing holes are arranged at the position of the cover body close to the fire holes. This inner ring fire lid combines together the design with conventional outer loop fire lid and central net piece fire lid, and the heat load that the inner ring fire lid provided when both having guaranteed the burning passes through peripheral fire outlet hole dispersion with flame simultaneously, has avoided the flame cluster of the mesh formula fire lid of current full fire outlet, the problem of thermal stress concentration, and the flame stabilizing hole has been seted up to the position of neighbouring fire outlet hole in addition, can improve the steady flame ability of fire outlet hole, has better flame steady effect.

In order to reduce the blockage of the fire outlet or the flame stabilizing hole by the overflowing liquid, preferably, the cover body is recessed downwards from top to bottom at the periphery of the fire outlet or the flame stabilizing hole to form a second groove for storing the overflowing liquid.

Preferably, the second groove is circumferentially provided with at least two drain ports for draining overflowing liquid at intervals. The liquid discharge port can effectively discharge overflowing liquid in the second groove to the outer ring wall.

In order to realize the ignition of the inner ring fire cover, preferably, the outer ring wall is provided with a first ignition hole communicated with the central cavity.

Furthermore, a second ignition hole communicated with the peripheral cavity is formed in the position, adjacent to the first ignition hole, of the outer ring wall. The second ignition hole is provided because the second ignition hole prevents the supposition that a misfire occurs in the case where the first ignition hole is clogged with the flash liquid, and also functions as an ignition double fuse.

Compared with the prior art, the utility model has the advantages that: the center of the inner ring fire cover is provided with a central hole communicated with the central cavity, and the periphery of the cover body adjacent to the central hole is provided with a first groove for storing overflowing liquid, so that overflowing liquid generated in the cooking process can be reserved in the first groove in advance, and a better overflowing preventing effect is achieved.

Drawings

FIG. 1 is a schematic structural diagram of an inner ring fire cover in an embodiment of the utility model;

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

fig. 3 is a cross-sectional view at another angle of fig. 1.

Detailed Description

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

As shown in FIGS. 1 to 3, the preferred embodiment of the present invention is shown. The inner ring fire cover 1 for the burner in the embodiment comprises an inner ring fire cover 1 and a cover body 2 covering the inner ring fire cover 1, wherein the inner ring fire cover 1 comprises an inner ring wall 11 and an outer ring wall 12 which are arranged at intervals, a central cavity 111 is enclosed by the inner ring wall 11, a peripheral cavity 112 is enclosed by the inner ring wall 11 and the outer ring wall 12 together, a central hole 21 communicated with the central cavity 111 is formed in the center of the cover body 2, a first groove 22 used for storing overflowing liquid is formed in the periphery of the cover body 2 adjacent to the central hole 21, the central hole 21 communicated with the central cavity 111 is formed in the center of the inner ring fire cover 1, and the first groove 22 used for storing overflowing liquid is formed in the periphery of the cover body 2 adjacent to the central hole 21, so that overflowing liquid generated in the cooking process can be reserved in the first groove 22 in advance, and a better overflowing liquid preventing effect is achieved.

Specifically, in order to realize the discharge of the overflow, the overflow channel 3 capable of discharging the overflow to the outside of the outer annular wall 12 is disposed on the first groove 22, and the arrangement of the overflow channel 3 may be in various manners, and the arrangement manner of this embodiment is: the lower extreme of the interior rampart 11 and the outer rampart 12 of inner ring fire lid 1 is connected with diapire 13, set up the through-hole 131 that supplies the gas to get into in the peripheral cavity 112 on the diapire 13, the entry 31 of overflow passageway 3 sets up on first recess 22, the export 32 of overflow passageway 3 sets up on outer rampart 12, the entry 31 of intercommunication overflow passageway 3 and the passageway of export 32 including set up vertical pipeline 33 on interior rampart 11 and set up on diapire 13, and the horizontal pipeline 34 that links to each other with vertical pipeline 33, wherein horizontal pipeline 34 is from inside to outside downward sloping gradually, can accelerate the discharge of overflow. In addition, the central hole 21 of the inner ring fire cover 1 is covered with the cover plate 4, the cover plate 4 is a sheet structure full of fire holes, the position of the cover body 2 corresponding to the peripheral cavity 112 is provided with the fire holes 24 at intervals along the circumferential direction, and the position of the cover body 2 adjacent to the fire holes 24 is provided with the flame stabilizing holes 25, the inner ring fire cover 1 combines the conventional outer ring fire cover with the central mesh fire cover, so that the heat load provided by the inner ring fire cover 1 during combustion is ensured, meanwhile, the flame is dispersed through the peripheral fire holes 24, the problems of flame clustering and heat stress concentration of the existing mesh type fire cover full of fire holes are avoided, and in addition, the position adjacent to the fire holes 24 is provided with the flame stabilizing holes 25, so that the flame stabilizing capability of the fire holes 24 can be improved, and a better flame stabilizing effect is achieved. In order to reduce the blockage of the fire hole 24 or the flame stabilizing hole 25 by the overflowing liquid, the cover body 2 is formed with a second groove 26 for storing the overflowing liquid, which is recessed downwards from top to bottom at the periphery of the fire hole 24 or the flame stabilizing hole 25, the second groove 26 is circumferentially provided with at least two liquid discharge ports 261 for discharging the overflowing liquid, and the liquid discharge ports 261 can effectively discharge the overflowing liquid in the second groove 26 to the outer annular wall 12. In order to realize the ignition of the inner ring fire cover 1, the outer ring wall 12 is provided with a first ignition hole 121 communicated with the central cavity 111, the outer ring wall 12 is provided with a second ignition hole 122 communicated with the outer cavity 112 at a position adjacent to the first ignition hole 121, and the second ignition hole 122 is arranged because the supposition that the ignition is not ignited when the first ignition hole 121 is blocked by the overflowing liquid is prevented, and the double-safety function of the ignition is also realized.

In conclusion, when the inner ring fire cover 1 of the embodiment combines the conventional outer ring fire cover and the center mesh fire cover, the independent overflow channels 3 for discharging overflow liquid are respectively designed for the center mesh fire cover, the fire outlet holes 24 and the flame stabilizing holes 25, and finally the inner ring fire cover 1 is blocked by the overflow liquid.

Claims (9)

1. The utility model provides an inner ring fire lid for combustor, is including inner ring fire lid (1) and cover body (2) on it, inner ring fire lid (1) is including interior rampart (11) and outer rampart (12) that interior external interval set up, inner rampart (11) enclose into central cavity (111), inner rampart (11) and outer rampart (12) enclose into jointly has peripheral cavity (112), its characterized in that: the center of the cover body (2) is provided with a central hole (21) communicated with the central cavity (111), and the periphery of the cover body (2) adjacent to the central hole (21) is provided with a first groove (22) for storing overflowing liquid.

2. An inner ring fire cover for a burner as claimed in claim 1, wherein: the first groove (22) is provided with a overflowing liquid channel (3) which can discharge overflowing liquid to the outside of the outer ring wall (12).

3. An inner ring fire cover for a burner as claimed in claim 2, wherein: the lower ends of an inner ring wall (11) and an outer ring wall (12) of the inner ring fire cover (1) are connected with a bottom wall (13), a through hole (131) for gas to enter the peripheral cavity (112) is formed in the bottom wall (13), an inlet (31) of the overflow channel (3) is formed in the first groove (22), an outlet (32) of the overflow channel (3) is formed in the outer ring wall (12), and a channel for communicating the inlet (31) and the outlet (32) of the overflow channel (3) comprises a vertical pipeline (33) formed in the inner ring wall (11) and a transverse pipeline (34) formed in the bottom wall (13) and connected with the vertical pipeline (33).

4. An inner ring fire cover for a burner as claimed in claim 3, wherein: the transverse ducts (34) are gradually inclined downwards from inside to outside.

5. An inner ring fire cover for a burner as claimed in any one of claims 1 to 4, wherein: the central hole (21) is covered with a cover plate (4), the cover plate (4) is of a sheet structure which is full of fire holes, fire holes (24) are formed in the position, corresponding to the peripheral cavity (112), of the cover body (2) at intervals along the circumferential direction, and flame stabilizing holes (25) are formed in the position, adjacent to the fire holes (24), of the cover body (2).

6. An inner ring fire cover for a burner as claimed in claim 5, wherein: the cover body (2) is provided with a second groove (26) which is used for storing overflowing liquid and is formed by downwards sinking from top to bottom on the periphery of the fire outlet hole (24) or the flame stabilizing hole (25).

7. An inner ring fire cover for a burner as claimed in claim 6, wherein: the second groove (26) is provided with at least two liquid discharge ports (261) for discharging overflowing liquid at intervals along the circumferential direction.

8. The inner ring fire cover for a burner of claim 7, wherein: the outer annular wall (12) is provided with a first ignition hole (121) communicated with the central cavity (111).

9. The inner ring fire cover for a burner of claim 8, wherein: the outer ring wall (12) is provided with a second ignition hole (122) which is communicated with the peripheral cavity (112) and is adjacent to the first ignition hole (121).

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