CN110360566B

CN110360566B - Fire cover of kitchen range

Info

Publication number: CN110360566B
Application number: CN201910693088.2A
Authority: CN
Inventors: 程永超; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-09-11
Anticipated expiration: 2039-07-30
Also published as: CN110360566A

Abstract

The invention discloses a stove fire cover which comprises an inner ring fire cover and an outer ring fire cover arranged around the inner ring fire cover, wherein the upper surface of the outer ring fire cover is provided with a plurality of protrusions, fire holes of the outer ring fire cover are formed in the surfaces of the protrusions, the protrusions are arranged at intervals along the circumferential direction of the outer ring fire cover, and a secondary air channel for supplementing air to the inner ring fire cover is formed between two adjacent protrusions. This cooking utensils fire lid sets up a plurality of bellyings that have the fire hole through the upper surface at outer loop fire lid to under the prerequisite of guaranteeing whole cooking utensils fire lid to the heating performance of pot bottom, utilize the secondary air passageway of the sunken space that forms between the double-phase adjacent bellyings as inside ring fire lid replenishment air, improve the air replenishment ability of inside ring fire lid, and then improve the heating performance of this cooking utensils fire lid.

Description

Fire cover of kitchen range

Technical Field

The invention relates to the field of burners, in particular to a fire cover of a stove.

Background

The fire cover of the gas cooker is used as a core component of the gas cooker, and the performance of the fire cover directly influences the overall performance of the gas cooker.

At present, along with the continuous improvement of the requirement of the heating efficiency of the cooker, the general method for improving the efficiency is to reduce the height of the pot support, namely, the distance between the fire cover of the cooker and the bottom surface of the pot, but the method can bring new problems: the secondary air channel size that the fire hole of inside ring fire lid supplied air can correspond along with the shrink of interval between cooking utensils fire lid and the pan bottom surface and reduce, leads to the secondary air volume that the inside ring fire lid was used for burning serious not enough, and then influences gas cooking utensils's whole heating performance.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a stove fire cover.

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

the utility model provides a cooking utensils fire lid, its includes that the inner ring is covered and is encircleed the outer loop fire lid that the inner ring fire lid set up, the upper surface of outer loop fire lid has a plurality of bellyings, the fire hole of outer loop fire lid set up in the bellyings surface, the bellyings is followed the circumference direction interval of outer loop fire lid sets up, and is double-phase adjacent form between the bellyings to the secondary air passageway that the inner ring fire lid supplyed the air.

Through setting up a plurality of bellyings that have the fire hole at the upper surface of outer loop fire lid to under the prerequisite of guaranteeing the heating performance of whole cooking utensils fire lid to the bottom of a boiler, utilize the secondary air passageway of the sunken supplementary air of serving as inside ring fire lid that forms between the double-phase adjacent bellyings, improve the air replenishment ability of inside ring fire lid, and then improve the heating performance of this cooking utensils fire lid.

Preferably, the protruding portion includes a plurality of first protruding portions, a top surface of the first protruding portion is higher than the other protruding portions except the first protruding portion, the first protruding portions are evenly distributed on the outer ring fire cover in a circumferential direction, and top surfaces of the first protruding portions are flush.

These first protruding portions can be used for supporting the bottom of the cooker together, so that the protruding portion structure can form a secondary air channel on the outer ring fire cover and can also be used as a cooker support for supporting the cooker, and the available functions of the outer ring fire cover are further increased.

Preferably, the top surface of the first protruding part is a circular arc surface, so that the bottom of the pot and the first protruding part are in a point contact state, and the first protruding parts form a multi-point support for the pot, so that the outer ring fire cover can be suitable for pots of different types such as a sharp pot and a flat pot.

Preferably, the top surfaces of all the protruding parts are flush, so that the top surfaces of the protruding parts are in multi-point contact with the bottom surface of the cookware, the type of the cookware which can be used by the outer ring fire cover is improved, and the cookware is prevented from sliding when being placed on the outer ring fire cover.

Preferably, the fire hole includes a main fire hole provided at an outer side surface of the boss portion.

Preferably, the opening of the main fire hole on the surface of the boss extends in the horizontal direction, and the height of the opening of the main fire hole gradually decreases from the middle position to the two sides.

The shape of the opening can ensure that the main fire hole has better anti-blocking effect on the overflowing liquid, and even if particles in the overflowing liquid are clamped in the main fire hole, the fire hole can not be completely blocked.

Preferably, the flame holes further comprise a plurality of flame stabilizing holes, and the plurality of flame stabilizing holes are arranged around the main flame hole to improve the flame stabilizing capability of the flame stabilizing holes on the main flame hole.

Preferably, the fire holes comprise auxiliary fire holes, the auxiliary fire holes are arranged on the inner side surface of the protruding portion to increase the heating area of the outer ring fire cover, and meanwhile, due to the arrangement orientation of the fire holes, when the outer ring fire cover is ignited, the flame of the inner ring fire cover is directly ignited, so that the fire transfer effect between the two fire covers is achieved.

Preferably, the opening of the secondary fire hole on the surface of the boss extends in the horizontal direction, and two ends of the opening of the secondary fire hole extend to two side surfaces of the boss.

Through extending to secondary air passageway with the edge of vice fire hole, make also can transmit flame between two adjacent vice fire holes, and then make these vice fire holes possess the function of passing fire on outer ring fire lid.

Preferably, the inner side surface of the boss and the left and right side surfaces of the boss are in arc transition, so that the auxiliary fire holes can be smoothly transited from the inner side surface of the boss to the left and right side surfaces.

Preferably, the inside of bellying have communicate in the gas chamber in fire hole, the fire hole is close to the top surface setting of bellying to ensure that the distance of these fire holes and pan bottom diameter can not be too far away, can guarantee the heating effect to the pan.

Preferably, the channel width of secondary air passageway is crescent along vertical upward direction to make the air admission volume that is located this secondary air passageway upper half can be greater than the air admission volume of secondary air passageway the latter half, guarantee that the air that gets into can in time be in time towards the supplementary of inner ring fire lid, improve the burning quality of cooking utensils.

The positive progress effects of the invention are as follows:

this cooking utensils fire lid sets up a plurality of bellyings that have the fire hole through the upper surface at outer loop fire lid to under the prerequisite of guaranteeing whole cooking utensils fire lid to the heating performance of pot bottom, utilize the secondary air passageway of the sunken supplementary air of serving as inside ring fire lid that forms between the double-phase adjacent bellyings, improve the air supplement ability of inside ring fire lid, and then improve the heating performance of this cooking utensils fire lid.

Drawings

Fig. 1 is a schematic perspective view of a fire cover of a cooker in embodiment 1 of the present invention.

Fig. 2 is a partial front view structural schematic diagram of an outer ring fire cover according to embodiment 1 of the present invention.

Fig. 3 is a partial perspective view (i) of the outer ring fire cover according to embodiment 1 of the present invention.

Fig. 4 is a partial perspective view of the outer ring fire cover according to embodiment 1 of the present invention (ii).

Fig. 5 is a schematic perspective view of an outer ring fire cover according to embodiment 2 of the present invention.

Fig. 6 is an internal structural view of an outer ring fire cover according to embodiment 2 of the present invention.

Description of reference numerals:

inner ring fire cover 10

Outer ring fire cover 20

Projection 1

First boss 11

Fire hole 2

Main fire hole 21, height h of opening

Flame stabilizing hole 22

Auxiliary fire hole 23

Secondary air channel 3, channel width D

Gas chamber 4

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

Example 1

As shown in FIG. 1, the present invention provides a fire cover of a kitchen range, which comprises an inner fire cover 10 and an outer fire cover 20 surrounding the inner fire cover 10. The upper surface of the outer ring fire cover 20 is provided with a plurality of convex parts 1, the fire holes 2 of the outer ring fire cover 20 are arranged on the surfaces of the convex parts 1, the convex parts 1 are arranged at intervals along the circumferential direction of the outer ring fire cover 20, and channels which extend inwards along the radial direction of the stove fire cover are formed between two adjacent convex parts 1 and are used for supplementing air to the inner ring fire cover 10 in the use process of the stove fire cover.

Through setting up a plurality of bellying 1 that have fire hole 2 at the upper surface of outer ring fire lid 20 to under the prerequisite of guaranteeing the heating performance of outer ring fire lid 20, utilize the secondary air passageway 3 that the sunken one that forms between two adjacent bellying 1 supplyes the air as inside ring fire lid 10, improve the air replenishment ability of inside ring fire lid 10, and then improve the heating performance of this cooking utensils fire lid.

The specific structure of the inner ring fire cover 10 shown in fig. 1 is only for illustration, and the function of the specific structure is only to show the relative position between the inner ring fire cover 10 and the outer ring fire cover 20 in this embodiment, and the specific structure of the inner ring fire cover 10 is not described herein again because it belongs to the category of the prior art.

As shown in fig. 2, the channel width D of the secondary air channel 3 gradually widens along the vertical upward direction, i.e. the channel shape is in a V shape, so that the air intake amount of the upper half portion of the secondary air channel 3 can be larger than the air intake amount of the lower half portion of the secondary air channel 3, the intake air can be supplemented to the inner ring fire cover 10 in time, and the combustion quality of the cooker is improved.

In addition, a plurality of first protruding portions 11 are included in the protruding portions 1 on the surface of the outer ring fire cover 20, the top surfaces 11a of the first protruding portions 11 are higher than the other protruding portions 1, and the top surfaces 11a of the first protruding portions 11 are flush with each other, and the first protruding portions 11 are uniformly distributed on the upper surface of the outer ring fire cover 20 along the circumferential direction of the outer ring fire cover 20. These first protrusions 11 can be used to support the bottom of the pot, so that the structure of the protrusions 1 can be used as a pot support for supporting the pot in addition to forming the secondary air channel 3 on the outer ring fire lid 20, to further increase the usable function of the outer ring fire lid 20. Preferably, the top surface 11a of the first protruding portion 11 may be a circular arc surface rather than a plain plane surface, so that the bottom of the pot is in a point contact state with the first protruding portion 11, so as to form a multi-point support for the pot by using the plurality of first protruding portions 11, thereby enabling the outer ring fire cover 20 to be adapted to different types of pots such as a sharp pot and a flat pot.

Have the gas chamber (not shown in the figure) that communicates to the fire hole 2 on the outer ring fire lid 20 in the inside of bellying 1, these fire holes 2 are close to the top surface setting of bellying 1 to ensure that the distance of these fire holes 2 and pan bottom diameter can not too far away, and guarantee the heating effect to the pan.

The fire holes 2 of the outer ring fire cover 20 comprise three types of main fire holes 21, auxiliary fire holes 23 and flame stabilizing holes 22. Wherein, the main fire hole 21 is disposed on the outer side surface of the boss 1, as shown in fig. 3, the opening of the main fire hole 21 on the surface of the boss 1 extends along the horizontal direction, the height h of the opening of the main fire hole 21 decreases gradually from the middle position to the two sides, i.e. the opening at the middle position of the fire hole is larger, and the two sides are narrower. For example, in the embodiment, the shape of the main fire hole 21 is close to olive shape, which can make the fire hole have better anti-blocking effect on the overflowing liquid, and even if the particles in the overflowing liquid are stuck in the fire hole, the particles can not completely block the fire hole.

In addition, as the flame stabilizing holes 22 for stabilizing the flame of the main flame holes 21, they are disposed in a layout manner surrounding the main flame holes 21 in the present embodiment, so as to improve the flame stabilizing ability of the flame stabilizing holes 22 to the main flame holes 21.

As shown in fig. 4, the secondary fire holes 23 are provided on the back of the main fire holes 21, i.e., on the inner side surface of the boss 1, to increase the heating area of the outer ring fire cover 20, and are directly ignited by the flame of the inner ring fire cover 10 when the outer ring fire cover 20 is ignited, due to the orientation of the fire holes, to perform a fire transfer function between the two fire covers.

The opening of the secondary fire hole 23 on the surface of the boss 1 also extends outward in the horizontal direction, and both end portions 23a of the opening of the secondary fire hole 23 extend to both side surfaces of the boss 1, respectively, to introduce flame into the secondary air passage 3 when the outer ring fire cover 20 is ignited for combustion. As can be seen from fig. 4, the height of the auxiliary fire holes 23 on two adjacent bosses 1 is consistent, and when the distance between two auxiliary fire holes 23 is relatively short, the flame burned by one auxiliary fire hole 23 can be transmitted to the other auxiliary fire hole 23, so that the auxiliary fire holes 23 have the function of transmitting fire on the outer ring fire cover 20.

Further, the end 23a of the secondary fire hole 23 may also be extended to a position close to the primary fire hole 21 to ignite the primary fire hole 21 using the secondary fire hole 23 on the same boss 1.

In the present embodiment, the inner surface and the left and right surfaces of the boss 1 are in arc transition so that the secondary fire holes 23 can smoothly transit from the inner surface of the boss 1 to the left and right surfaces.

In addition, because the width of the fire hole 2 of the auxiliary fire hole 23 is much larger than that of the main fire hole 21, in order to ensure the fire power of the main fire hole 21, the height of the fire hole of the auxiliary fire hole 23 is smaller than that of the main fire hole 21, and meanwhile, the height of the fire hole of the auxiliary fire hole 23 is equal everywhere, but is not changed like the main fire hole 21. Specifically, in the present embodiment, the secondary fire holes 23 are formed by circular cutting on the boss 1.

Example 2

The embodiment also provides a stove fire cover, the structure of which is substantially the same as that of the stove fire cover provided by the embodiment 1, and the difference is that: as shown in fig. 5, the outer fire cover 20 of the stove fire cover of the present embodiment is formed by a plurality of protrusions 1 with the same size, and the protrusions 1 are uniformly distributed along the circumference of the outer fire cover 20 in the circumferential direction to form a main body structure of the outer fire cover 20.

Wherein, the size of each bellying 1 is the same, consequently, also flushes completely between the top surface 1a of all bellyings 1 to utilize the top surface 1a of a plurality of bellyings 1 and the contact of pan bottom surface multiple spot, improve the pan type that this outer loop fire lid 20 can use, and avoid the pan to put and produce when putting on this outer loop fire lid 20 and slide.

As shown in fig. 6, the gas chamber 4 inside the boss 1 has the same shape as the boss 1, and is also streamlined to avoid dead space inside the gas chamber 4. This structure prevents stifled better effect to the overflow, even in the overflow stayed gas chamber 4 along the fire hole, also can flow to the bottom of outer loop fire lid 20 along the curve of 4 inner walls of gas chamber, avoids piling up in the corner department.

It should be particularly noted that, in the fire covers of the cookers of examples 1 and 2, the specific shape of the convex part is only a preferred embodiment provided by the present invention, so that the convex part has a streamlined outer surface to facilitate the arrangement of the main fire hole and the auxiliary fire hole. Other geometric shapes existing in the prior art can also be used as the shape of the convex part in the invention, and the technical effects produced by the invention are realized, and are not described again.

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. The utility model provides a cooking utensils fire lid, its includes that the inner ring is fired and is covered and encircle the outer loop fire lid that inner ring fire lid set up, a serial communication port, the upper surface of outer loop fire lid has a plurality of bellyings, the fire hole of outer loop fire lid set up in the bellyings surface, the fire hole is including vice fire hole, vice fire hole set up in the inboard surface of bellyings, vice fire hole is located the trompil on bellyings surface extends along the horizontal direction, the both ends of the trompil in vice fire hole extend to the both sides surface of bellyings, the bellyings are followed the circumference direction interval of outer loop fire lid sets up, and is double-phase adjacent form between the bellyings to the secondary air passageway that inner ring fire lid supplyed the air.

2. The cooking range fire lid of claim 1, wherein the protruding portion comprises a plurality of first protruding portions, top surfaces of the first protruding portions are higher than the other protruding portions except the first protruding portions, the first protruding portions are evenly distributed on the outer fire lid in a circumferential direction, and top surfaces of the first protruding portions are flush.

3. The cooktop fire lid of claim 2, wherein the top surface of the first boss is a circular arc surface.

4. The cooktop fire lid of claim 1, wherein top surfaces of all of the bosses are flush.

5. The cooktop fire lid of claim 1, wherein the fire hole comprises a main fire hole disposed on an outer side surface of the boss.

6. The cooking range fire cover of claim 5, wherein the opening of the main fire hole on the surface of the boss extends in a horizontal direction, and the height of the opening of the main fire hole is gradually reduced from a middle position to both sides.

7. The cooktop of claim 5, wherein the flame holes further comprise a plurality of flame stabilizing holes disposed around the main flame hole.

8. The cooktop fire lid of claim 1, wherein the boss has an arc transition between an inside surface of the boss and left and right side surfaces of the boss.

9. The cooking range fire cover of any one of claims 1 to 8, wherein the boss has a gas chamber therein communicating with the fire hole, the fire hole being provided near a top surface of the boss.

10. The cooking range fire cover according to any one of claims 1 to 8, wherein the channel width of the secondary air channel becomes gradually larger in a vertically upward direction.