CN218480667U

CN218480667U - Heat shield for stove and gas stove with heat shield

Info

Publication number: CN218480667U
Application number: CN202222449755.2U
Authority: CN
Inventors: 龙艳; 程永超; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-02-14
Anticipated expiration: 2032-09-15

Abstract

The utility model relates to a kitchen is with separating heat exchanger and using gas-cooker that has this heat exchanger, including the annular cover body, the central authorities of the cover body are formed with the annular chamber, and the cover body is double-deck and has cavity, its characterized in that: the cover body has seted up the intercommunication along circumference interval on the inside wall that forms the annular chamber the venthole of annular chamber and cavity, the cover body then sets up the inlet port that supplies the external air to flow in the cavity on lateral wall or diapire, compares with prior art, the utility model has the advantages of: the upper cover is protruded out of the boss on the surface of the upper cover to form an anti-overflow liquid platform, wherein the upper edge of the boss can be used for overflow liquid to stay so as to play a role of blocking the overflow liquid for the air outlet part arranged at the lower edge of the boss, the gas stove can utilize the inner side wall of the heat insulation cover to be positioned between the fire outlet area of the outer ring fire cover and the secondary air supply channel, and the inner ring and the outer ring are independently supplemented with secondary air, thereby being beneficial to improving the heat efficiency of the burner.

Description

Heat shield for stove and gas stove with heat shield

Technical Field

The utility model relates to a gas-cooker field, concretely relates to kitchen is with separating heat exchanger and using the gas-cooker that has this kitchen with separating heat exchanger.

Background

At present, in the prior art, a blower type household gas stove burner comprises a fan and a burner, but is limited to limited supplement of primary air in a combustion process, secondary air cannot be effectively supplemented, the secondary air supplement is completely adjusted by the outside of the burner, the adjustment is influenced by the structure of the whole gas stove, and the problems of insufficient combustion, overproof CO in smoke, low heat efficiency and the like easily occur. In the actual use process of the existing gas stove, a pot is arranged on a pot support for heating, and a certain space interval is formed between the pot and a burner, so that heat energy generated by gas combustion is used for heating the pot, and a considerable part of heat energy is dissipated to the surrounding environment, so that energy waste is caused; in order to solve the above problems, some heat collecting and energy gathering have appeared in China in recent years, for example, in the Chinese patent CN203404823U, "the energy gathering ring for gas cookers and the gas cookers with the same", the energy gathering ring is an energy-saving component arranged around the periphery of a burner, for the gas cookers with the energy gathering ring, because of the blockage of the energy gathering ring, the lateral secondary air provided to the burner can be further influenced, in addition, the gas cookers with the energy gathering ring are applied, the secondary air supplement channels of the gas cookers are all lateral air inlet, although the secondary air can be preheated when flowing through the secondary air supplement channels of the energy gathering ring, the preheating effect of the secondary air is poor due to the small preheating surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that provides a can provide the kitchen of preheating, smooth and easy and the lateral secondary air of capacity to the combustor with separate heat exchanger to above-mentioned prior art current situation.

The second technical problem to be solved by the present invention is to provide a gas cooker with the heat shield for kitchen range to provide proper amount of primary air to the burner.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: this kitchen is with heat exchanger that separates, including the annular cover body, the central authorities of the cover body are formed with annular chamber, the cover body is double-deck and has cavity, its characterized in that: the double-layer structure of the cover body comprises an upper layer cover and a lower layer cover, wherein the upper layer cover is provided with bosses protruding out of the surface of the upper layer cover at intervals along the circumferential direction, the upper edge of each boss and the upper layer cover form a liquid containing area, the lower edge of each boss is provided with a gas outlet part communicated with the annular cavity and the cavity, and the lower layer cover of the cover body is provided with a gas inlet part for external air to flow into the cavity.

In order to avoid the blockage of the air outlet part caused by excessive overflowing liquid generated in the liquid containing area or the cooking process, preferably, the boss further comprises a connecting wall connecting the upper edge and the lower edge of the boss, and the lower edge of the connecting wall is lower than the air outlet part.

In order to connect the heat shield to the external air supply unit, it is preferable that the air supply unit and the external air supply unit are connected by a connection pipe having a sectional area divided into a straight section and a diffuser section according to the inflow direction of the air current, from the viewpoint of simple structure. Wherein the diffuser section of the connecting tube can diffuse and flow the secondary air generated by an external air supply part such as a blower into the cavity of the cover body more quickly.

In order to guide the secondary air preheated by the cover body to the position of the annular cavity, preferably, the upper cover of the cover body is gradually inclined upwards along the direction of the annular cavity at the downstream of the air outlet part to form a guide area for guiding the secondary air.

In order to realize that the upper cover of the cover body can be used for supporting a cooker, preferably, the gap between the adjacent bosses of the upper cover is provided with cooker supporting legs for supporting the cooker.

For solving the second technical problem, the utility model provides an use and have above-mentioned kitchen with gas-cooker that separates heat exchanger, including gas-cooker panel and combustor, the combustor including:

a base;

the inner ring fire cover is arranged on the base, and a central air mixing chamber is formed between the inner ring fire cover and the base;

the outer ring fire cover is also arranged on the base, is positioned at the periphery of the inner ring fire cover, and forms an outer ring gas mixing chamber with the base; an air supplementing cavity is formed between the central air mixing chamber and the outer ring air mixing chamber; a plurality of radial secondary air supplementing channels for communicating the air supplementing cavity with the outside are arranged on the base at intervals along the circumferential direction;

the method is characterized in that: the annular cavity of the heat shield surrounds the burner and is placed on a gas stove panel, and the inner side wall of the heat shield is positioned between the fire outlet area of the outer ring fire cover and the secondary air supply channel.

In order to adjust the primary air intake quantity of the inner injection pipe, preferably, the burner further comprises an inner injection pipe used for providing gas and primary air mixed gas for the central gas mixing chamber, a regulating sheet used for regulating the primary air intake quantity is arranged at the gas inlet end of the inner injection pipe, and a shifting rod is arranged at the tail end of the regulating sheet. The user can drive the adjusting sheet to rotate by means of the deflector rod, so as to adjust the primary air inflow at the air inlet end of the inner injection pipe.

In order to improve the combustion load of outer ring fire lid, preferably, the combustor still including be used for to outer ring gas mixing chamber provides gas and primary air gas mixture's outer ejector tube that draws, the income gas port end of outer ejector tube is provided with and separates it into two baffles of going into the gas port about, correspondingly, still including the orientation the nozzle holder that the income gas port end of outer ejector tube set up, be provided with left nozzle and the right nozzle of two income gas ports about corresponding respectively on the nozzle holder. The nozzle seat is provided with the nozzles corresponding to the left air inlet end and the right air inlet end of the outer injection pipe, and the partition plate is arranged at the air inlet end of the outer injection pipe, so that mutual interference between the left nozzle and the right nozzle can be avoided.

Compared with the prior art, the utility model has the advantages of: utilize the boss of upper shield protrusion its surface in order to constitute anti-overflow liquid platform, wherein the upper limb of boss can supply the overflow to stop in order to play the effect that stops the overflow to the portion of giving vent to anger that sets up at the boss lower limb, and, the inlet port that supplies the outside air inflow to separate the heat exchanger cavity is seted up to separate the heat exchanger, makes the outside air get into and separates the heat exchanger and can be preheated effectively, and the secondary air after preheating can be shunted out by the venthole and provide the after-preheating secondary air for the combustor, in order to imitate and improve the gas utilization ratio, and the utility model also provides an utilize the gas-cooker of above-mentioned heat exchanger, this gas-cooker can utilize the inside wall that separates the heat exchanger to be located between the regional and the secondary tonifying qi passageway of going out of outer loop fire lid, and independently carry out the replenishment of secondary air to the inner, outer loop, help improving the combustor thermal efficiency.

Drawings

FIG. 1 is a schematic view of a partial structure of a heat shield for a range according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a gas stove provided with a heat shield for a stove in an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 2;

fig. 4 is a cross-sectional view of fig. 3.

Detailed Description

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

As shown in fig. 1 to 4, for the best mode of the present invention, the heat shield for kitchen range in this embodiment includes an annular cover body 1, an annular cavity 101 is formed in the center of the cover body 1, the cover body 1 is double-layered and has a cavity 10, the double-layered structure of the cover body 1 includes an upper cover 11 and a lower cover 12, wherein the upper cover 11 is provided with a boss 2 protruding from the surface thereof at a circumferential interval, an upper edge 201 of the boss 2 and the upper cover 11 form a liquid containing region 21, a lower edge 202 of the boss 2 is provided with an air outlet 22 communicating the annular cavity 101 and the cavity 10, and the lower cover 12 of the cover body 1 is provided with an air inlet 121 for the external air to flow into the cavity 10. The upper cover 11 is used to project the boss 2 on the surface thereof to form a spill-proof platform, wherein the upper edge of the boss 2 can be used for the spill to stay so as to block the air outlet portion 22 arranged at the lower edge of the boss 2.

Specifically, in order to avoid the blockage of the air outlet 22 caused by excessive overflowing liquid in the liquid containing area 21 or the cooking process, the boss 2 of the present embodiment further includes a connecting wall 23 connecting the upper edge and the lower edge of the boss 2, and the lower edge of the connecting wall 23 is lower than the air outlet 22. In order to connect the heat shield to the external air supply part 3, the heat shield is connected to the external air supply part 3 through a connecting pipe 4 between the air inlet part 121 and the external air supply part 3, the cross-sectional area of the connecting pipe 4 is divided into a straight section 41 and a diffuser section 42 according to the inflow direction of the air flow, and the diffuser section 42 of the connecting pipe 4 can diffuse and flow the external air supply part 3, such as secondary air generated by a blower, into the cavity 10 of the cover body 1 more quickly. In order to guide the secondary air preheated by the cover body 1 to the position of the annular cavity 101, the upper cover 11 of the cover body 1 is inclined upward gradually along the radial direction to the direction of the annular cavity 101 at the downstream of the air outlet portion 22 to form a guiding area 111 for guiding the secondary air. The upper cover 11 is provided with pot support legs 5 for supporting a pot in the space between the adjacent bosses 2, so that the upper cover 11 of the cover body 1 can be used for supporting the pot.

The embodiment also provides a gas stove applying the heat shield for the stove, which comprises a gas stove panel and a burner 6, wherein the burner 6 comprises a base 61 and an inner ring fire cover 62 arranged on the base 61, a central gas mixing chamber 621 is formed between the inner ring fire cover 62 and the base 61, the gas stove further comprises an outer ring fire cover 63 arranged on the base 61, the outer ring fire cover 63 is positioned on the periphery of the inner ring fire cover 62, an outer ring gas mixing chamber 631 is formed between the outer ring fire cover and the base 61, and a gas supplementing chamber 64 is formed between the central gas mixing chamber 621 and the outer ring gas mixing chamber 631; the base 61 is further provided with a plurality of radial secondary air supply channels 65 at intervals along the circumferential direction for communicating the air supply cavity 64 with the outside, the annular cavity 101 of the heat shield is arranged on the gas stove panel by surrounding the burner 6, the inner side wall of the heat shield is positioned between the fire outlet area of the outer fire cover 63 and the secondary air supply channels 65, the upper cover 11 of the cover body 1 is inclined upwards along the radial direction towards the annular cavity 101 at the downstream of the air outlet part 22 to form a guide area 111 for guiding secondary air, the secondary air supplied by the outer air supply part 3 is guided to the fire outlet area of the outer fire cover 63 by the guide area 111 to be supplemented with the preheated secondary air, and the secondary air supply channels 65 of the inner fire cover 62 are mainly supplemented by air below the heat shield, so that the supplement of the secondary air of the inner fire cover 62 and the outer fire cover 63 does not interfere with each other.

In addition, in order to adjust the primary air intake amount of the inner injection pipe 7, preferably, the burner 6 further includes the inner injection pipe 7 for providing a mixture of gas and primary air to the central gas mixing chamber 621, an air inlet end of the inner injection pipe 7 is provided with an adjusting sheet 71 for adjusting the primary air intake amount, and a shift lever 72 is arranged at the tail end of the adjusting sheet 71. The user can drive the adjustment piece 71 with the help of the driving lever 72 and rotate, and draw the primary air intake flow of the income gas port end of penetrating pipe 7 in the adjustment, in order to improve the burning load of outer ring fire lid 63 in this embodiment, combustor 6 is still including being used for drawing the pipe 8 outward that penetrates to provide gas and primary air mist to outer ring gas mixing chamber 631, the income gas port end that draws the pipe 8 outward is provided with and separates it into two baffles 81 of going into the gas port about, correspondingly, still including drawing the nozzle block 9 that the income gas port end of penetrating pipe 8 sets up towards outside, be provided with on the nozzle block 9 and correspond left nozzle 91 and the right nozzle 92 of two income gas ports about respectively. The nozzle seat 9 is provided with nozzles corresponding to the left air inlet end and the right air inlet end of the outer injection pipe 8, and the baffle plate 81 is arranged at the air inlet end of the outer injection pipe 8, so that mutual interference between the left nozzle and the right nozzle can be avoided.

The specific process is as follows, the air supply portion 3 located below the gas stove panel enters the cavity 10 arranged in the heat shield preheating cavity firstly when the air blower works, the secondary air preheated by the heat shield cavity 10 can flow out through the air outlet portion 22, the secondary air preheated by the secondary air can be supplemented to the fire outlet area of the outer ring fire cover 63 through the guide area 111, the secondary air of the inner ring fire cover 62 is supplemented through the secondary air supplementing channel 65, finally, the setting of the regulating sheet 71 in the air inlet end of the inner injection pipe 7 is utilized to regulate the primary air, and the air inlet end of the outer injection pipe 8 is provided with a left nozzle and a right nozzle to realize high-load combustion.

Claims

1. The utility model provides a range is with separating heat exchanger, is including annular cover body (1), the central authorities of the cover body (1) are formed with annular chamber (101), the cover body (1) is double-deck and has cavity (10), its characterized in that: the double-layer structure of the cover body (1) comprises an upper cover (11) and a lower cover (12), wherein the upper cover (11) is provided with bosses (2) protruding out of the surface of the upper cover at intervals along the circumferential direction, the upper edge of each boss (2) and the upper cover (11) form a liquid containing area (21), the lower edge of each boss (2) is provided with an air outlet part (22) communicated with the annular cavity (101) and the cavity (10), and the lower cover (12) of the cover body (1) is provided with an air inlet part (121) for external air to flow into the cavity (10).

2. The cooktop heat shield of claim 1, wherein: the boss (2) further comprises a connecting wall (23) which is used for connecting the upper edge and the lower edge of the boss (2), and the lower edge of the connecting wall (23) is lower than the air outlet part (22).

3. The cooktop heat shield of claim 2, wherein: the air inlet part (121) is connected with an external air supply part (3) through a connecting pipe (4), and the sectional area of the connecting pipe (4) is divided into a straight section (41) and a diffusion section (42) according to the flowing direction of the airflow.

4. The cooktop heat shield of claim 3, wherein: the upper layer cover (11) of the cover body (1) is gradually inclined upwards along the radial direction towards the direction of the annular cavity (101) at the downstream of the air outlet part (22) to form a guide area (111) for guiding secondary air.

5. The heat shield for a cooktop according to any one of claims 1 to 4, wherein: and pot supporting legs (5) for supporting a pot are arranged in the gaps between the adjacent bosses (2) of the upper layer cover (11).

6. A gas range using the heat shield of any one of claims 1 to 5, comprising a gas range panel and a burner (6), wherein the burner (6) comprises:

a base (61);

an inner ring fire cover (62) arranged on the base (61) and forming a central air mixing chamber (621) with the base (61);

the outer ring fire cover (63) is also arranged on the base (61), is positioned at the periphery of the inner ring fire cover (62), and forms an outer ring gas mixing chamber (631) with the base (61); an air supplementing cavity (64) is formed between the central air mixing chamber (621) and the outer ring air mixing chamber (631); a plurality of radial secondary air supplementing channels (65) for communicating the air supplementing cavity (64) with the outside are arranged on the base (61) at intervals along the circumferential direction;

the method is characterized in that: the annular cavity (101) of the heat shield surrounds the burner (6) and rests on the gas stove panel, and the inner side wall of the heat shield is positioned between the fire outlet area of the outer ring fire cover (63) and the secondary air supply channel (65).

7. The gas range of claim 6, wherein: the combustor (6) further comprises an inner injection pipe (7) used for providing gas and primary air mixed gas for the central gas mixing chamber (621), an air inlet end of the inner injection pipe (7) is provided with an adjusting sheet (71) used for adjusting the primary air inflow, and the tail end of the adjusting sheet (71) is provided with a deflector rod (72).

8. The gas range of claim 7, wherein: combustor (6) still including be used for to outer ring gas mixing chamber (631) provides gas and primary air gas mixture draw and penetrate pipe (8) outward, the income gas port end that draws outward pipe (8) is provided with baffle (81) of two income gas ports about separating it into, correspondingly, still including the orientation spout seat (9) that the income gas port end that draws outward pipe (8) set up, be provided with on spout seat (9) and correspond left nozzle (91) and right nozzle (92) of controlling two income gas ports respectively.