CN112747336A

CN112747336A - Gas kitchen ranges

Info

Publication number: CN112747336A
Application number: CN202110016461.8A
Authority: CN
Inventors: 程永超; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-05-04
Anticipated expiration: 2041-01-07
Also published as: CN112747336B

Abstract

The invention discloses a gas stove, which comprises an outer ring fire cover and a gas mixing chamber, wherein the outer ring fire cover is detachably arranged above the gas mixing chamber, a gas mixing space is formed between the outer ring fire cover and the gas mixing chamber, a plurality of steps are arranged on the inner side surface of the outer ring wall of the gas mixing chamber, a plurality of vent seams are arranged on the side surface of at least one step, and gas to be combusted flows out of the gas mixing chamber through the vent seams and then is combusted; the outer ring wall is provided with a plurality of main fire holes, and the main fire holes are positioned at the lower side of the vent seam. According to the gas stove, the steps are arranged on the inner side face of the outer annular wall, and the vent seams are arranged on the side faces of the steps, so that gas to be combusted can flow from the gas mixing chamber to the vent seams and flow out from the vent seams to be combusted, flame stabilizing flame can be provided for the main flame holes on the lower side, and the stability of the flame of the main flame holes can be improved.

Description

Gas kitchen ranges

Technical Field

The invention relates to the field of gas cookers, in particular to a gas cooker.

Background

Gas cookers are commonly used burners in homes. The gas stove usually comprises an inner ring fire cover, an outer ring fire cover and a gas mixing chamber, wherein the inner ring fire cover and the outer ring fire cover are respectively communicated with the gas mixing chamber, and mixed gas is combusted in the inner ring fire cover and the outer ring fire cover respectively.

When the gas stove is used, the problem of unstable flame combustion often exists. For the outer ring fire cover of the gas stove, the problem of unstable flame combustion is easy to occur.

When the gas stove is used, the problem of liquid overflow can also occur, and the overflowed liquid often flows to the outer ring fire cover along the cooker. Therefore, the flame stabilizing holes or the fire holes on the outer ring fire cover can be blocked, thereby influencing the normal use of the gas stove. In addition, the outer ring fire cover after being polluted by the spilled liquid is difficult to clean.

Disclosure of Invention

The invention aims to overcome the defect that an outer ring fire cover of a gas stove in the prior art is easily blocked by overflowing liquid, and provides the gas stove.

The invention solves the technical problems through the following technical scheme:

a gas stove comprises an outer ring fire cover and a gas mixing chamber, wherein the outer ring fire cover is detachably arranged above the gas mixing chamber, a gas mixing space is formed between the outer ring fire cover and the gas mixing chamber, a plurality of steps are arranged on the inner side surface of the outer ring wall of the gas mixing chamber, a plurality of vent seams are arranged on the side surface of at least one step, and gas to be combusted flows out of the gas mixing chamber through the vent seams and then is combusted; the outer ring wall is provided with a plurality of main fire holes, and the main fire holes are positioned at the lower side of the vent seam.

In this scheme, set up the step through the medial surface at outer rampart to set up the gas vent in the side of step, thereby treat that combustion gas can flow to the gas vent from the gas mixing chamber, and flow the after-burning from the gas vent, thereby can provide steady flame to the main fire hole that is located the downside, can improve the stability of main fire hole flame.

In addition, through locating outer loop fire lid detachably in the top of gas mixing chamber, even partial overflow liquid remains in outer loop fire lid, also can pull down outer loop fire lid and accomplish the washing, and correspondingly, the gas mixing chamber of pulling down outer loop fire lid also washs more easily.

Preferably, the ventilation slits of the side surfaces of two adjacent steps in the height direction are staggered, and the arc length of the ventilation slits is larger than that of a spacing section between two ventilation slits of the side surfaces of the other adjacent step in the height direction.

In this scheme, through the crisscross setting of the vent joint with upper and lower adjacent two-stage step side to be greater than the arc length of the interval section between two vent joints along the side of another adjacent stage step of direction of height with the arc length of vent joint, thereby make the circumference of mixing the air chamber all be equipped with the vent joint, and then can provide steady flame for main fire hole better, can avoid mixing the local condition that appears lacking steady flame in circumference of air chamber.

Preferably, the outer ring fire cover is provided with an inverted step corresponding to the step, a gap is formed between the inverted step and the step, and the gas to be combusted flows from the gas mixing chamber to the vent seam through the gap.

In this scheme, through setting up the step of invering corresponding with the step to make the clearance between the two more even, and then can improve the stability of treating the combustion gas flow, improve the stability of flame, reduce the fluctuation of flame.

Preferably, a plurality of vent seams on the side surface of the step at any stage are uniformly arranged at intervals along the circumferential direction of the air mixing chamber;

and/or the height of the vent seam on the side surface of the step of the same stage is the same.

In this scheme, can make treat that the combustion gas is more even stable flow all around from the gas mixing chamber, can further improve steady flame effect.

Preferably, the outer ring fire cover is provided with a gas stabilizing chamber, the gas stabilizing chamber extends from the bottom surface of the outer ring fire cover along the radial direction of the outer ring fire cover, the gas stabilizing chamber is obliquely upward, and the gas mixing space is communicated with the gas stabilizing chamber.

In this scheme, steady air chamber can temporary storage treat combustion gas to can reduce treat combustion gas's impact, avoid treating combustion gas direct flow to main fire hole or gas vent, can improve the stability of air current.

Preferably, the gas mixing chamber is provided with a plurality of gas outlets, the gas to be combusted flows into the gas mixing space through the gas outlets, and the opening of the gas stabilizing chamber faces the gas outlets.

In this scheme, can directly hold more and treat combustion gas, improve the stability and the reliability of air current effectively, and then improve the stability of flame.

Preferably, the gas stabilizing chamber comprises a first gas stabilizing chamber and a second gas stabilizing chamber, the first gas stabilizing chamber and the second gas stabilizing chamber are sequentially arranged from inside to outside along the radial direction of the outer ring fire cover, the height of the first gas stabilizing chamber is greater than that of the second gas stabilizing chamber, and the volume of the first gas stabilizing chamber is greater than that of the second gas mixing chamber.

In this scheme, through setting up first steady gas chamber and the steady gas chamber of second to the realization treats the multistage stationary flow of combustion gas, can further improve the stability and the reliability of air current, and then improves the stability of flame.

Preferably, the inner peripheral surface of the outer ring fire cover is provided with a ring platform, the upper side surface of the gas mixing chamber is provided with a convex ring, and the ring platform is clamped on the outer side surface of the convex ring.

In this scheme, can improve the stability of outer loop fire lid, avoid the outer loop fire lid accident to topple.

Preferably, the gas stove further comprises a plurality of protruding portions, the protruding portions extend downwards from the lower side surface of the outer ring fire cover to the top surface of the outer ring wall, the protruding portions are arranged at intervals along the circumferential direction of the outer ring fire cover, slit-shaped flame stabilizing holes are formed in gaps among the protruding portions, and gas to be combusted flows out from the gas mixing chamber through the slit-shaped flame stabilizing holes.

In this scheme, can further improve the stability of outer loop fire lid, avoid the outer loop fire lid accident to topple. Meanwhile, the slit-shaped flame stabilizing holes can further improve the flame stabilizing effect.

Preferably, the convex part comprises one or more of a cylinder, a hemisphere, a cone and a cube.

In this scheme, can simplify the structural style of bellying, improve the production efficiency of outer loop fire lid.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

according to the gas stove, the steps are arranged on the inner side face of the outer annular wall, and the vent seams are arranged on the side faces of the steps, so that gas to be combusted can flow from the gas mixing chamber to the vent seams and flow out from the vent seams to be combusted, flame stabilizing flame can be provided for the main flame holes on the lower side, and the stability of the flame of the main flame holes can be improved.

Drawings

Fig. 1 is a schematic perspective view of a gas range according to a preferred embodiment of the present invention, in which only an inner ring fire cover, an outer ring fire cover and a gas mixing chamber are shown, and other components are not shown.

Fig. 2 is another schematic view of the gas range of fig. 1.

Fig. 3 is a sectional view of the gas range of fig. 1.

Fig. 4 is a structural schematic diagram of the outer ring fire cover in fig. 1.

Fig. 5 is a sectional view of the outer ring fire cover in fig. 4.

Fig. 6 is a schematic structural view of the air mixing chamber in fig. 1.

FIG. 7 is a schematic sectional view of the gas mixing chamber of FIG. 6.

Fig. 8 is a partially enlarged structural view of the air mixing chamber in fig. 6.

Description of reference numerals:

gas kitchen ranges 100

Inner ring fire cover 11

Gas mixing space 12

Convex part 13

Outer ring fire cover 20

Inverted bench 21

Plenum chamber 22

First gas-stabilizing chamber 23

A second plenum 24

Ring table 25

Gas mixing chamber 30

Outer annular wall 31

Vent seam 32

Main fire hole 33

Convex ring 34

Step 35

Spacer 36

Air outlet 37

Detailed Description

The present invention will be more clearly and completely described below by way of examples in conjunction with the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1 to 7, a gas stove 100 of the present embodiment includes an outer fire cover 20 and a gas mixing chamber 30, the outer fire cover 20 is detachably disposed above the gas mixing chamber 30, a gas mixing space 12 is formed between the outer fire cover 20 and the gas mixing chamber 30, a plurality of steps 35 are disposed on an inner side surface of an outer annular wall 31 of the gas mixing chamber 30, a plurality of vent slits 32 are disposed on a side surface of at least one of the steps 35, and a gas to be combusted flows out from the gas mixing chamber 30 through the vent slits 32 and then is combusted; the outer annular wall 31 is provided with a plurality of main fire holes 33, and the main fire holes 33 are located at the lower side of the vent slits 32. Set up step 35 through the medial surface at outer rampart 31 to set up gas vent 32 in the side of step 35, thereby treat that combustion gas can flow to gas vent 32 from gas mixing chamber 30, and flow out the after-combustion from gas vent 32, thereby can provide steady flame to the main fire hole 33 that is located the downside, can improve the stability of main fire hole 33 flame.

In addition, by detachably disposing the outer ring fire cover 20 above the air mixing chamber 30, even if a part of the spilled liquid remains on the outer ring fire cover 20, the outer ring fire cover 20 can be detached and cleaned, and accordingly, the air mixing chamber 30 with the outer ring fire cover 20 detached is also cleaned more easily.

As shown in fig. 2 and 6 to 8, the vent slits 32 on the side surfaces of the two steps 35 adjacent in the height direction are staggered, and the arc length of the vent slit 32 is greater than the arc length of the spacing section 36 between two vent slits 32 on the side surfaces of the other step 35 adjacent in the height direction. Through crisscross setting of the vent joint 32 with upper and lower adjacent two-stage step 35 side to be greater than the arc length of the interval section 36 between two vent joints 32 along the side of another adjacent stage step 35 of direction of height with the arc length of vent joint 32, thereby make the circumference of mixing gas chamber 30 all be equipped with vent joint 32, and then can provide steady flame for main fire hole 33 better, can avoid mixing gas chamber 30's circumference local appearance to lack the condition of steady flame. In fig. 2, two layers of vent slits 32 are shown, the vent slit 32 of the lower layer is located below the spacing segment 36 between the two vent slits 32 of the upper layer, and the arc length of the vent slit 32 of the lower layer is greater than the arc length of the corresponding spacing segment 36 of the upper layer, so that stable flame-stabilizing flames can be generated on the outer peripheral surface of the gas mixing chamber 30, and the stability of the flames of the main fire holes 33 can be improved.

In one embodiment, the plurality of vent slits 32 on the side surface of any step 35 are uniformly spaced along the circumferential direction of the plenum 30. The height of the vent slits 32 may be the same on the side of the same step 35. All can make treat that the gas of burning is more even stable from the gas mixing chamber 30 outflow all around, can further improve steady flame effect. In other embodiments, the vent slits 32 may be provided in other configurations.

As shown in fig. 4 and 5, the outer ring fire cover 20 is provided with an inverted step 21 corresponding to the step 35, a gap is provided between the inverted step 21 and the step 35, and the gas to be combusted flows from the gas mixing chamber 30 to the vent slit 32 through the gap. Through setting up the upset step 21 corresponding with step 35 to make the clearance between the two more even, and then can improve the stability of treating the combustion gas flow, improve flame's stability, reduce flame's fluctuation.

In fig. 4 and 5, the outer fire cover 20 is provided with a gas stabilizing chamber 22, the gas stabilizing chamber 22 extends from the bottom surface of the outer fire cover 20 in a direction obliquely upward along the radial direction of the outer fire cover 20, and the gas stabilizing chamber 22 is communicated with the gas mixing space 12. The stable gas chamber 22 can temporarily store the gas to be combusted, so that the impact of the gas to be combusted can be reduced, the gas to be combusted is prevented from directly flowing to the main fire hole 33 or the vent slit 32, and the stability of the gas flow can be improved.

In one embodiment, the gas mixing chamber 30 is provided with a plurality of gas outlets 37, the gas to be combusted flows into the gas mixing space 12 through the gas outlets 37, and the opening of the gas stabilizing chamber 22 faces the gas outlets 37. Can hold the gas of treating burning more directly, improve the stability and the reliability of air current effectively, and then improve the stability of flame.

In fig. 5, the gas stabilizing chamber 22 includes a first gas stabilizing chamber 23 and a second gas stabilizing chamber 24, the first gas stabilizing chamber 23 and the second gas stabilizing chamber 24 are sequentially arranged from inside to outside along the radial direction of the outer fire cover 20, the height of the first gas stabilizing chamber 23 is greater than that of the second gas stabilizing chamber 24, and the volume of the first gas stabilizing chamber 23 is greater than that of the second gas mixing chamber 30. Through setting up first steady air chamber 23 and second steady air chamber 24 to realize treating the multistage stationary flow of combustion gas, can further improve the stability and the reliability of air current, and then improve the stability of flame. The first and second gas-stabilizing

chambers

23 and 24 in fig. 5 have a quadrangular shape in cross section, which is extended in an obliquely upward direction. From the bottom up, the cross sections of the first and second gas-stabilizing

chambers

23 and 24 both become smaller. In other embodiments, the plenum 22 may have other concave shapes to accommodate and buffer air. Of course, the number of ballast chambers 22 can also have other values.

As shown in fig. 3, 5 and 7, the inner peripheral surface of the outer ring fire cover 20 is provided with a ring platform 25, the upper side surface of the gas mixing chamber 30 is provided with a convex ring 34, and the ring platform 25 is clamped on the outer side surface of the convex ring 34. The stability of outer ring fire lid 20 can be improved, the unexpected toppling of outer ring fire lid 20 is avoided.

As an embodiment, the gas range 100 further includes a plurality of protruding portions 13, the protruding portions 13 extend downward from the lower side surface of the outer fire cover 20 to the top surface of the outer annular wall 31, the plurality of protruding portions 13 are spaced along the circumference of the outer fire cover 20, gaps between the protruding portions 13 form slit-shaped flame holding holes, and the gas to be combusted flows out from the gas mixing chamber 30 through the slit-shaped flame holding holes. The stability of outer ring fire lid 20 can further be improved, the unexpected toppling of outer ring fire lid 20 is avoided. Meanwhile, the slit-shaped flame stabilizing holes can further improve the flame stabilizing effect.

The boss 13 may comprise one or more of a cylinder, a hemisphere, a pyramid, and a cube. The structural form of the convex part 13 can be simplified, and the production efficiency of the outer ring fire cover 20 is improved. As shown in fig. 5, the lower end of the boss 13 is hemispherical, and the upper end is cylindrical. The protruding part 13 of the present embodiment is integrated with the outer ring fire cover 20. In other embodiments, the protruding portion 13 may also extend upward from the upper side of the air mixing chamber 30, and the protruding portion 13 may also be integrated with the air mixing chamber 30.

In fig. 1, only the inner ring fire cover 11, the outer ring fire cover 20 and the gas mixing chamber 30 are shown, and other components of the gas range 100 are not shown. The main fire holes 33 are arranged in an obliquely upward direction from the inside to the outside. The main fire holes 33 are uniformly spaced along the circumferential direction of the air mixing chamber 30.

The gas to be combusted of the present embodiment can flow into the gas mixing space 12 from the gas outlet 37 and then flow into the first gas stabilizing chamber 23 and the second gas stabilizing chamber 24, and the gas to be combusted flowing from bottom to top is blocked by the gas mixing chamber 30, so that the upward flowing rate of the gas to be combusted is effectively reduced. The gas mixing chamber 30 also makes the flow direction of the gas to be combusted adjusted to flow smoothly outward in the radial direction of the gas mixing chamber 30. The gas to be combusted flowing out of the gas mixing chamber 30 flows along the gap between the step 35 and the inverted step 21, flows into the main fire hole 33 on the lower side firstly, then flows upwards step by step along the step 35, and flows through the vent slits 32 of the steps 35 from bottom to top. In this embodiment, the vent slits 32 have two layers, and a slit-shaped flame stabilizing hole formed by the slits of the protruding portion 13 is further formed between the outer ring flame cover 20 and the gas mixing chamber 30, so that three flame stabilizing flames can be formed, the stability of the flame in the main flame hole 33 can be further improved, and the reliability of the gas cooker 100 can be improved.

In other embodiments, the number of steps 35 may have other values. The inner structure of the outer ring wall 31 may not be the step 35, and may be, for example, a slope or a curved surface, the outer fire cover 20 is correspondingly disposed, and the vent slits 32 may be layered from bottom to top.

While specific embodiments of the invention have been described above, it will be appreciated 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

1. A gas stove is characterized by comprising an outer ring fire cover and a gas mixing chamber, wherein the outer ring fire cover is detachably arranged above the gas mixing chamber, a gas mixing space is formed between the outer ring fire cover and the gas mixing chamber, a plurality of steps are arranged on the inner side surface of the outer ring wall of the gas mixing chamber, a plurality of vent seams are arranged on the side surface of at least one step, and gas to be combusted flows out of the gas mixing chamber through the vent seams and then is combusted; the outer ring wall is provided with a plurality of main fire holes, and the main fire holes are positioned at the lower side of the vent seam.

2. The gas range of claim 1, wherein the vent slits of the side surfaces of two steps adjacent in the height direction are staggered, and the arc length of the vent slits is greater than the arc length of a space section between two vent slits of the side surfaces of another step adjacent in the height direction.

3. The gas range of claim 1, wherein the outer ring fire cover is provided with an inverted step corresponding to the step, a gap is provided between the inverted step and the step, and the gas to be combusted flows from the gas mixing chamber to the vent slit through the gap.

4. The gas range of claim 1, wherein a plurality of said vent slits of the side of any step are uniformly spaced along the circumference of said plenum;

5. The gas range of claim 1, wherein the outer ring fire cover is provided with a gas stabilizing chamber, the gas stabilizing chamber extends from the bottom surface of the outer ring fire cover in a direction that is radially and obliquely upward of the outer ring fire cover, and the gas stabilizing chamber is communicated with the gas mixing space.

6. The gas range of claim 5, wherein the gas mixing chamber is provided with a plurality of gas outlets, gas to be combusted flows into the gas mixing space through the gas outlets, and the opening of the gas stabilizing chamber faces the gas outlets.

7. The gas range of claim 5, wherein the gas stabilizing chamber comprises a first gas stabilizing chamber and a second gas stabilizing chamber, the first gas stabilizing chamber and the second gas stabilizing chamber are sequentially arranged from inside to outside along the radial direction of the outer ring fire cover, the height of the first gas stabilizing chamber is greater than that of the second gas stabilizing chamber, and the volume of the first gas stabilizing chamber is greater than that of the second gas mixing chamber.

8. The gas stove of claim 1, wherein a ring table is arranged on the inner circumferential surface of the outer ring fire cover, a convex ring is arranged on the upper side surface of the gas mixing chamber, and the ring table is clamped on the outer side surface of the convex ring.

9. The gas cooker as claimed in claim 1, further comprising a plurality of protrusions extending downward from the lower side of the outer ring fire cover to the top surface of the outer ring wall, wherein the plurality of protrusions are spaced apart from each other in the circumferential direction of the outer ring fire cover, and a slit-shaped flame holding hole is formed in a gap between the protrusions, through which the gas to be combusted flows out from the gas mixing chamber.

10. The gas burner of claim 9, wherein the boss comprises one or more of a cylinder, a hemisphere, a cone, and a cube.