CN219624040U - Stove fire cover and stove comprising same - Google Patents

Abstract

The utility model provides a stove fire cover and a stove comprising the same, wherein the stove fire cover comprises a fire cover body, inclined grooves and horizontal grooves, first main fire holes are circumferentially arranged on the annular peripheral wall of the fire cover body at intervals, the inclined grooves are circumferentially arranged on the annular peripheral wall, and the inclined grooves are intersected with the first main fire holes; the horizontal groove is arranged below the chute and is arranged along the circumferential direction of the annular peripheral wall, and the horizontal groove is intersected with the first main fire hole, wherein the chute, the horizontal groove and the first main fire hole are mutually communicated, and the annular peripheral wall is provided with the chute and the horizontal groove, so that the flow direction of the first main fire hole is cut into three sections, the flow speed of mixed gas in the first main fire hole is reduced, flame separation of a fire hole on a stove fire cover is difficult to occur, and the effect of stabilizing flame is achieved; in addition, by adopting the technical scheme, the mixed gas can be mixed with air around the kitchen range fire cover again during combustion, so that the mixing degree of the mixed gas is improved, and the mixed gas is fully combusted.

Description

Stove fire cover and stove comprising same

Technical Field

The utility model relates to the field of stoves, in particular to a stove fire cover and a stove comprising the same.

Background

At present, the fire cover of the gas stove is generally composed of a top wall, an annular inner side wall and an annular outer side wall, a plurality of main fire holes are formed in the annular outer side wall of the fire cover along the circumferential direction of the annular outer side wall, the annular outer side wall of the existing gas stove fire cover only comprises a single row of fire holes, the utility model patent of patent number ZL200520014838.2 discloses the single main fire hole combustion mode, flame easily jumps after combustion, the combustion area is unstable, and meanwhile, the single row of fire holes not only enables the combustion heat efficiency of the gas stove to be low, but also enables the gas to be insufficiently combusted, and the utilization of gas resources is insufficient.

In short, there is a lack of a stove fire cover in the prior art that can fully burn and stabilize the combustion of the mixed gas.

Disclosure of Invention

The utility model aims to overcome the defect that a stove fire cover with sufficient combustion and stable combustion is lacked in the prior art, and provides a stove fire cover and a stove comprising the same.

The utility model solves the technical problems by the following technical scheme:

a cooktop fire cover, the cooktop fire cover comprising:

the fire cover comprises a fire cover body, wherein first main fire holes are formed in the annular peripheral wall of the fire cover body at intervals along the circumferential direction:

a chute disposed circumferentially along the annular peripheral wall, the chute intersecting the first main fire hole;

the horizontal groove is arranged below the chute, the horizontal groove is arranged along the circumferential direction of the annular peripheral wall, the horizontal groove is intersected with the first main fire hole,

wherein the chute, the horizontal groove and the first main fire hole are communicated with each other.

In the scheme, the chute and the horizontal groove are arranged on the annular peripheral wall, so that the flow direction of the first main fire hole is cut into three sections, the flow speed of mixed gas in the first main fire hole is reduced, flame separation is not easy to occur in the fire hole on the stove fire cover, and the effect of stabilizing flame is achieved; in addition, by adopting the technical scheme, the mixed gas can be mixed with air around the kitchen range fire cover again during combustion, so that the mixing degree of the mixed gas is improved, and the mixed gas is fully combusted.

Preferably, the stove fire cover is further provided with a second main fire hole, the second main fire hole is circumferentially arranged along the annular peripheral wall, the second main fire hole is arranged above the first main fire hole, and the chute is intersected with the second main fire hole.

In the scheme, the second main fire hole is arranged, so that the flow rate of the mixed gas flowing out of the fire hole of the stove fire cover is reduced, the mixing degree of the mixed gas and surrounding air is increased, and the mixed gas can be fully combusted; in addition, chute intercommunication first main fire hole and second main fire hole and horizontal groove have reduced the velocity of flow of gaseous mixture for the gas fully mixes after fully bumping after flowing out from different holes, has improved the mixed degree of gaseous mixture and has reduced the velocity of flow of gaseous mixture, and gaseous mixture carries out intensive mixing with the air around, has improved the combustion efficiency of gaseous mixture.

Preferably, the annular peripheral wall is also provided with flame stabilizing holes intersecting with the horizontal grooves.

In this scheme, communicate each other between chute, horizontal groove and the steady flame hole, prevent from the too fast velocity of flow of the mixed gas that flows out in the cooking utensils fire lid, increased simultaneously and stabilized main fire hole from the mixed gas that flows out of the fire hole of cooking utensils fire lid, when improving the combustion efficiency of the mixed gas that flows out from the fire hole of cooking utensils fire lid.

Preferably, the flame stabilizing holes and the first main fire holes are staggered in sequence.

In this scheme, the steady flame hole of staggered arrangement and first main fire hole can make the flow of the mixed gas who flows out from cooking utensils fire lid more even, prevent from the too fast flame that causes of the velocity of flow of the local gas that flows out from cooking utensils fire lid for the flame burning of cooking utensils fire lid circumference is time more stable.

Preferably, in the first main fire hole, an included angle between the central line of the chute and the central line of the horizontal chute is an acute angle; and/or the number of the groups of groups,

the annular peripheral wall is provided with second flame stabilizing holes at intervals along the circumferential direction.

In this scheme, the contained angle of the central line of chute and the central line of horizontal groove is the acute angle, can utilize the space around the cooking utensils fire lid to the at utmost for the gas that flows out from cooking utensils fire lid carries out intensive mixing with the air around the cooking utensils fire lid, improves the combustion efficiency of mixed gas, compares in the contained angle and is the obtuse angle, and the flow path of mixed gas when the acute angle is longer, and the velocity of flow of mixed gas is slower, makes mixed gas fully burn, prevents that cooking utensils fire lid from taking place from flame.

Preferably, a first row of ignition holes is formed in the side face of the fire cover body, and the chute is intersected with the first row of ignition holes.

In the scheme, the chute is intersected with the first ignition hole, so that the mixed gas flowing out of the first ignition hole is mixed with the mixed gas flowing out of the chute, the concentration of fuel gas in the mixed gas is improved, and the ignition success rate of the first ignition hole is improved.

Preferably, the side surface of the fire cover body is further provided with a second row of ignition holes, the second row of ignition holes are arranged above the first row of ignition holes, and the second row of ignition holes and the first row of ignition holes are arranged along an axis parallel to the annular peripheral wall.

In this scheme, set up two rows of ignition holes, improved the success rate of ignition for after a certain ignition hole is stopped up, still can ignite the gaseous mixture that flows from cooking utensils fire lid, improved the success rate of the ignition of cooking utensils fire lid, improved the reliability of ignition.

Preferably, the kitchen range fire cover further comprises a cornice, wherein the cornice is arranged on the top wall of the fire cover body, and the cornice extends outwards along a direction away from the annular peripheral wall.

In this scheme, set up the eaves limit and can prevent from the liquid of cooking utensils fire cover overflow department to block up out the fire hole or block up the ignition hole, improved the stability and the reliability that the cooking utensils fire cover igniteed and burnt.

Preferably, the cornice is arranged on one side above the annular peripheral wall and protrudes outwards to form a diversion trench; and/or the number of the groups of groups,

the cornice is arranged on the other side above the annular peripheral wall and protrudes outwards to form the ignition needle protection umbrella.

In this scheme, outwards protrusion forms the guiding gutter on the annular perisporium, can prevent to flow from the overflow that the cooking utensils was gone up to circumference on the cooking utensils fire lid single point fire hole or go out the fire hole, prevent that the ignition hole or the fire hole on the annular lateral wall of cooking utensils fire lid from being stopped up, improved stability and reliability when cooking utensils fire lid fires. The cornice on the annular peripheral wall protrudes outwards to form the ignition needle protection umbrella, so that the area on the upper part of the ignition hole can be shielded, overflowed liquid is prevented from falling onto the ignition needle, the ignition of the stove fire cover is affected, and the ignition reliability of the stove fire cover is improved.

A cooktop comprising a cooktop fire cover as described above.

In the scheme, the stove fire cover is arranged on the stove, the mixed gas flowing into the stove flows out from the holes on the stove fire cover, the annular peripheral wall of the stove fire cover body is provided with the inclined grooves and the horizontal grooves, the flow direction of the first main fire hole is cut into three sections, the flow speed of the mixed gas in the first main fire hole is reduced, flame separation is not easy to occur in the fire hole on the stove fire cover, and the effect of flame stabilization is achieved; in addition, by adopting the technical scheme, the mixed gas can be mixed with air around the kitchen range fire cover again during combustion, so that the mixing degree of the mixed gas is improved, and the mixed gas is fully combusted.

On the basis of the common sense in the art, the above preferred technical schemes can be freely combined to obtain the preferred embodiments of the present utility model.

The utility model has the positive progress effects that: the annular peripheral wall is provided with the inclined grooves and the horizontal grooves, so that the flow direction of the first main fire hole is cut into three sections, the flow speed of the mixed gas in the first main fire hole is reduced, flame separation is not easy to occur in the fire hole on the stove fire cover, and the effect of stabilizing flame is achieved; in addition, by adopting the technical scheme, the mixed gas can be mixed with air around the kitchen range fire cover again during combustion, so that the mixing degree of the mixed gas is improved, and the mixed gas is fully combusted.

Drawings

Fig. 1 is a schematic perspective view of a first view angle of a stove fire cover according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a second view angle of a stove fire cover according to an embodiment of the present utility model.

FIG. 3 is a schematic cross-sectional view of a stove fire cover along a first direction according to an embodiment of the present utility model

Fig. 4 is a schematic cross-sectional structure view of a stove fire cover according to an embodiment of the present utility model along a second direction.

Fig. 5 is a schematic perspective view of a third view angle of a fire cover of a kitchen range according to an embodiment of the utility model

Description of the reference numerals

Stove fire cover 100

Fire cover body 10

First main fire hole 1

Second main fire hole 2

Top wall 3

Chute 20

Horizontal groove 30

Flame stabilizing hole 40

Second flame stabilizing hole 50

First row of ignition holes 60

Second row of ignition holes 70

Cornice 80

Diversion trench 81

Ignition needle protective umbrella 82

Ignition groove 90

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.

The embodiment provides a kitchen range fire cover 100, as shown in fig. 1-5, the kitchen range fire cover 100 comprises a fire cover body 10, wherein chute 20 and horizontal grooves 30 are arranged on the fire cover body 10, first main fire holes 1 are circumferentially arranged on the annular peripheral wall of the fire cover body 10 at intervals, the chute 20 is circumferentially arranged along the annular peripheral wall, and the chute 20 is intersected with the first main fire holes 1; the horizontal groove 30 is provided below the chute 20, the horizontal groove 30 is provided along the circumferential direction of the annular peripheral wall, the horizontal groove 30 intersects the first main fire hole 1, wherein the chute 20, the horizontal groove 30 and the first main fire hole 1 communicate with each other.

In the embodiment, the chute 20 and the horizontal groove 30 are arranged on the annular peripheral wall, so that the flow direction of the first main fire hole 1 is cut into three sections, the flow speed of mixed gas in the first main fire hole 1 is reduced, flame separation is not easy to occur in the fire hole on the kitchen range fire cover 100, the flame stabilizing effect is achieved, and the pressure fluctuation in a larger range can be adapted; in addition, the chute 20, the horizontal groove 30 and the first main fire hole 1 are communicated with each other, so that the mixed gas can be mixed with air around the kitchen range fire cover 100 again during combustion, the mixing degree of the mixed gas is improved, and the mixed gas is fully combusted.

Specifically, as shown in fig. 2, the stove fire cover 100 is further provided with a second main fire hole 2, the second main fire hole 2 is arranged along the circumferential direction of the annular peripheral wall, the second main fire hole 2 is arranged above the first main fire hole 1, the chute 20 is intersected with the second main fire hole 2, and the second main fire hole 2 is arranged, so that the flow rate of mixed gas flowing out of the fire hole of the stove fire cover 100 is reduced, the mixing degree of the mixed gas and surrounding air is increased, and the mixed gas can be fully combusted; in addition, the chute 20 communicates the first and second main fire holes 1 and 2 and the horizontal groove 30, reduces the flow rate of the mixed gas, prevents the occurrence of flame separation, ensures that the gas is fully mixed after being collided after flowing out from different holes, improves the mixing degree of the mixed gas, reduces the flow rate of the mixed gas, fully mixes the mixed gas with surrounding air, and improves the combustion efficiency of the mixed gas. The horizontal groove 30 below the first main fire hole 1 is internally connected with a flame ring in a circle, so that the flame stabilizing effect on the first main fire hole 1 below is achieved, and the flame stabilizing effect of the first main fire hole 1 is good.

Specifically, as shown in fig. 3 and 4, the annular peripheral wall is further provided with flame stabilizing holes 40 intersecting with the horizontal grooves 30, and the inclined grooves 20, the horizontal grooves 30 and the flame stabilizing holes 40 are mutually communicated, so that the flow rate of the mixed gas flowing out of the kitchen range fire cover 100 is prevented from being too fast, the first main fire hole 1 is stabilized by the mixed gas flowing out of the fire holes of the kitchen range fire cover 100, and the combustion efficiency of the mixed gas flowing out of the fire holes of the kitchen range fire cover 100 is improved.

In this embodiment, as shown in fig. 5, the flame stabilizing holes 40 and the first main fire holes 1 are sequentially staggered, and the mixed gas flowing out of the stove fire cover 100 can flow more uniformly through the staggered flame stabilizing holes 40 and the first main fire holes 1, so that flame separation caused by too fast flow velocity of the gas flowing out of the part of the stove fire cover 100 is prevented, and the flame on the periphery of the stove fire cover 100 is more stable during combustion, and the flame stabilizing effect is good.

In this embodiment, as shown in fig. 2, in the first main fire hole 1, the included angle between the center line of the chute 20 and the center line of the horizontal groove 30 is an acute angle; the annular peripheral wall is provided with second flame stabilizing holes 50 at intervals in the circumferential direction.

The included angle between the central line of the chute 20 and the central line of the horizontal groove 30 is an acute angle, so that the space around the kitchen range fire cover 100 can be utilized to the greatest extent, the gas flowing out of the kitchen range fire cover 100 is fully mixed with the air around the kitchen range fire cover 100, and the combustion efficiency of the mixed gas is improved; compared with the included angle between the center line of the chute 20 and the center line of the horizontal groove 30 being an obtuse angle, the flow path of the mixed gas is longer when the included angle is an acute angle, and the flow speed of the mixed gas is slower, so that the mixed gas is fully combusted, and the stove fire cover 100 is prevented from generating flame.

In the present embodiment, as shown in fig. 2, the side surface of the fire cover body 10 is provided with a first row of ignition holes 60, and the chute 20 intersects with the first row of ignition holes 60. The chute 20 intersects the first ignition holes such that the mixed gas flowing out of the first row of ignition holes 60 is mixed with the mixed gas flowing out of the chute 20, increasing the concentration of the fuel gas in the mixed gas, thereby increasing the success rate of ignition of the first row of ignition holes 60.

Specifically, the side surface of the fire cover body 10 is further provided with a second row of ignition holes 70, the second row of ignition holes 70 being provided above the first row of ignition holes 60, the second row of ignition holes 70 and the first row of ignition holes 60 being provided along an axis parallel to the annular peripheral wall. By arranging two rows of ignition holes, the ignition success rate is improved, so that when one ignition hole is blocked, mixed gas flowing out of the kitchen range fire cover 100 can be still ignited, the ignition success rate of the kitchen range fire cover 100 is improved, and the ignition reliability is improved.

In this embodiment, cooking utensils fire lid 100 still includes eaves limit 80, and eaves limit 80 sets up the roof 3 at fire lid body 10, and the eaves limit 80 outwards extends along the direction of keeping away from annular perisporium and forms, sets up the eaves limit 80 and can prevent from the liquid of overflow department on the cooking utensils fire lid 100 to block up out the fire hole or block up the ignition hole, has improved the stability and the reliability of cooking utensils fire lid 100 ignition and burning.

Specifically, as shown in fig. 1, a side edge 80 above the annular peripheral wall protrudes outward to form a diversion trench 81; the other side cornice 80 positioned above the annular peripheral wall protrudes outwards to form an ignition needle protection umbrella 82, the annular peripheral wall protrudes outwards to form a diversion trench 81, so that overflow flowing out of a kitchen range can be prevented from flowing to a single-point fire hole or a fire outlet hole on the periphery of the kitchen range fire cover 100, the ignition hole or the fire outlet hole on the annular side wall of the kitchen range fire cover 100 is prevented from being blocked, and the stability and the reliability of the kitchen range fire cover 100 during combustion are improved.

The cornice 80 on the annular peripheral wall protrudes outwards to form the ignition needle protection umbrella 82, which can shield the area on the upper part of the ignition hole, prevent overflowed liquid from falling onto the ignition needle, influence the ignition of the cooker fire cover 100, and improve the ignition reliability of the cooker fire cover 100. An ignition groove 90 is arranged below the ignition needle protection umbrella 82, the ignition groove 90 is in a horizontal semicircle shape, and the ignition groove 90 is communicated with the internal cavity of the cooker fire cover 100 body.

The embodiment also provides a kitchen range, which comprises the kitchen range fire cover 100, wherein the kitchen range fire cover 100 is arranged on the kitchen range, mixed gas flowing into the kitchen range flows out from holes on the kitchen range fire cover 100, the annular peripheral wall of the kitchen range fire cover 100 body is provided with the chute 20 and the horizontal groove 30, the flow direction of the first main fire hole 1 is cut into three sections, the flow speed of the mixed gas in the first main fire hole 1 is reduced, flame separation is not easy to occur in the fire hole on the kitchen range fire cover 100, and the flame stabilizing effect is achieved; in addition, the chute 20, the horizontal groove 30 and the first main fire hole 1 are communicated with each other, so that the mixed gas can be mixed with air around the kitchen range fire cover 100 again during combustion, the mixing degree of the mixed gas is improved, and the mixed gas is fully combusted.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model 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 principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (10)

1. A cooktop fire cover, characterized in that it comprises:

the fire cover comprises a fire cover body, wherein first main fire holes are formed in the annular peripheral wall of the fire cover body at intervals along the circumferential direction:

a chute disposed circumferentially along the annular peripheral wall, the chute intersecting the first main fire hole;

the horizontal groove is arranged below the chute, the horizontal groove is arranged along the circumferential direction of the annular peripheral wall, the horizontal groove is intersected with the first main fire hole,

wherein the chute, the horizontal groove and the first main fire hole are communicated with each other.

2. The cooktop fire cover of claim 1 further provided with a second main fire hole disposed circumferentially along the annular peripheral wall, the second main fire hole being disposed above the first main fire hole, the chute intersecting the second main fire hole.

3. The cooking utensils fire cover of claim 1, wherein the annular peripheral wall is further provided with flame stabilizing holes intersecting the horizontal grooves.

4. The cooktop fire cover of claim 3, wherein the flame stabilizing holes and the first main fire holes are staggered in sequence.

5. The cooktop fire cover of claim 1, wherein, within the first main fire hole, a centerline of the chute forms an acute angle with a centerline of the horizontal slot; and/or the number of the groups of groups,

the annular peripheral wall is provided with second flame stabilizing holes at intervals along the circumferential direction.

6. The cooktop fire cover of claim 1, wherein the side of the fire cover body is provided with a first row of ignition holes, and the chute intersects the first row of ignition holes.

7. The cooktop fire cover of claim 6 wherein the side of the fire cover body is further provided with a second row of ignition holes disposed above the first row of ignition holes, the second row of ignition holes and the first row of ignition holes being disposed along an axis parallel to the annular peripheral wall.

8. The cooktop fire cover of claim 1 further comprising a bead disposed on a top wall of the fire cover body, the bead extending outwardly in a direction away from the annular peripheral wall.

9. The cooktop fire cover of claim 8 wherein the edge of the gutter protrudes outwardly to form a channel on a side above the annular perimeter wall; and/or the number of the groups of groups,

the cornice is arranged on the other side above the annular peripheral wall and protrudes outwards to form the ignition needle protection umbrella.

10. A hob, characterized in, that it comprises a hob fire lid according to any one of the claims 1 to 9.