CN211822509U - Gas stove with heat shield for stove - Google Patents

Abstract

The utility model relates to a gas-cooker with kitchen is with separating heat exchanger, including panel, combustor and enclose and establish at this combustor outlying separate heat exchanger, its characterized in that: separate heat exchanger including the annular cover body, the diapire of the cover body inwards extends and constitutes the bottom of combustor, be equipped with on the panel to the combustor provides the air feed portion of gas mixture, and the cover body corresponds the position of air feed portion has along radial direction inwards recessed and hold the recessed part of air feed portion, compare with prior art, the utility model has the advantages of a gas-cooker that separates heat exchanger and combustor an organic whole and set up is provided, wherein separates the cover body diapire of heat exchanger inwards extends the bottom that constitutes the combustor to only leave the air feed portion on the panel when realizing taking separate heat exchanger and combustor, so that the user is clean, should separate heat exchanger can recycle and conduct to the heat on cooking utensils panel or the flourishing liquid dish, still avoid arousing the temperature rise of cooking utensils panel when improving the thermal efficiency of combustor.

Description

Gas stove with heat shield for stove

Technical Field

The utility model relates to a domestic kitchen utensils and appliances field especially relates to a gas-cooker with kitchen is with separating heat exchanger.

Background

In the actual use process of the existing gas stove, because a pot is placed on a pot support for heating, and a certain space interval is formed between the pot and a burner, the heat energy generated by gas combustion is used for heating the pot, and a considerable part of the heat energy is dissipated to the surrounding environment, so that energy waste is caused; in order to solve the above problems, in recent years, there have been some heat collecting and energy concentrating apparatuses in China, such as "an energy concentrating ring for a gas cooker and a gas cooker having the same" disclosed in chinese patent CN203404823U and "an energy concentrating gas cooker" disclosed in chinese patent CN204042984U, in which an energy concentrating pan support is also provided, although the above energy concentrating ring structure can reduce the consumption of heat energy to some extent, the present applicant has proposed a heat shield structure for a cooker having a pan support and an energy concentrating ring structure, such as an invention patent ZL201711260487.7 (publication No. CN109869782U) of the invention patent "a heat shield for a cooker and a cooker using the heat shield" which discloses a cooker including an annular cover body, the cover body is a double-layer structure composed of an upper cover and a lower cover, a cavity is formed between the upper cover and the lower cover, pan support legs are fixed on the upper surface of the upper cover at intervals in the circumferential direction, the heat shield is fixedly provided with the built-in pot support legs, so that heat absorbed by the pot support legs can heat the pot bottom as much as possible through heat conduction and simultaneously reduce heat loss of flame, but the heat shield for the stove and a burner in the stove are independent parts, and a user needs to take the heat shield for the stove to clean the burner if the user needs to clean a panel of the stove in the cleaning process.

If the gas burner of the existing household gas stove comprises a gas mixing chamber, a fire cover, an injection pipe and the like, the gas mixing chamber of the burner is an important part of the stove, and the gas mixing chamber is used for mixing gas, so that the gas and primary air are mixed more uniformly; meanwhile, secondary air is supplied to the inner ring, the current integrally fixed structure of the air mixing chamber is not beneficial to the cleaning of the stove, for example, a similar air mixing chamber is disclosed in the Chinese utility model patent with the patent number ZL201420072885 (with the publication number CN2037314112U), or the Chinese invention patent with the patent number ZL200610052382.8 (with the publication number CN1884911A) or the Chinese invention patent for a gas stove upper air inlet type burner with the patent number ZL201410209837.7 (with the publication number CN103994436B), and the upper air inlet type burner for the gas stove comprises a base, the air mixing chamber, an outer ring fire cover, an inner ring fire cover and a gas pipe seat. The base is provided with a cavity with an upward opening formed at the upper part, the air mixing chamber is arranged above the base and is provided with an annular cavity, the inner ring fire cover and the outer ring fire cover are arranged above the air mixing chamber and are respectively positioned at the inner side and the outer side of the annular cavity, the side part of the air mixing chamber is provided with a secondary air hole, the secondary air hole is communicated with the annular cavity to form a secondary air channel, in addition, the fire hole of the inner ring fire cover faces towards the annular cavity, so the secondary air channel is used for supplementing secondary air of inner ring fire, the inner ring fire is combusted more fully, but as the air mixing chamber is integrated, soup overflow liquid is easy to remain in the annular cavity, the cleaning of a combustor is not only facilitated, and the overflow liquid is easy to.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that a gas-cooker with kitchen heat shield convenient to user's cleanness is provided 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 a heat shield for a stove, which can reduce the downward heat conduction loss or recycle the heat loss.

For solving the first technical problem, the utility model discloses the technical scheme who adopts is: this gas-cooker with heat exchanger is used to kitchen, including the panel, enclose to enclose the cover body that has central hole and be located the downthehole combustor of central hole, its characterized in that: the panel is provided with a gas supply part for providing mixed gas for the burner, and the part of the cover body corresponding to the gas supply part is provided with a concave part for accommodating the gas supply part.

In order to realize the integral molding of the heat shield and the burner, preferably, the burner comprises:

the outer base is provided with an outer ring gas channel, and the bottom wall of the cover body extends towards the central hole to form the bottom of the outer base; and

and the outer ring fire cover is arranged on the outer base, and an outer ring gas mixing chamber is formed between the outer ring fire cover and the outer base. Wherein the bottom of the outer base of the burner is formed by extending the bottom wall of the cover body, so that only the air supply part on the panel is left when the heat shield and the burner are taken, and a user can clean the burner conveniently.

In order to realize that the gas supply part supplies gas to the outer ring gas channel of the burner, preferably, the burner further comprises an outer ring gas channel communicated with the outer injection pipe of the gas supply part, and the gas inlet end of the outer injection pipe is correspondingly arranged at the concave part of the cover body.

In order to further realize that the integral structure of the heat shield and the combustor is not too large when the heat shield and the combustor are integrally formed, preferably, the shield body is composed of an upper shield and a lower shield, a cavity is formed between the upper shield and the lower shield, and the outer injection pipe is arranged in the cavity. The outer injection pipe is accommodated in the cavity, so that the problem that the volume of the combustor is easily overlarge when the combustor is combined with the heat shield can be reduced.

In order that the burner has inner and outer double ring fires to meet the use requirement of a user, preferably, the burner further comprises:

the inner base is arranged on the inner periphery of the outer base and is provided with an inner ring gas channel;

the inner ring fire cover is arranged on the inner base, and an inner ring gas mixing chamber is formed between the inner ring fire cover and the inner base; and

the connecting rods are at least two, the fixed ends of the connecting rods are connected to the inner wall surface of the outer ring fire cover, and the free ends of the connecting rods extend to the inner base. Wherein connect through the connecting rod between interior base and the outer base, be equivalent to interior base and interior ring fire lid be "suspension" in the central authorities of outer base, omitted the annular chamber that encloses between outer loop gas mixing chamber and the inner ring gas mixing chamber of traditional combustor, and then avoided the phenomenon that the annular chamber blackened, and then the user of being convenient for is clean.

Similarly, in order to further achieve that the integral structure of the heat shield and the burner is not too large when the heat shield and the burner are integrally formed, preferably, the heat shield further comprises an inner injection pipe communicating the inner ring gas channel and the gas supply part, the inner injection pipe radially penetrates through the outer ring gas mixing chamber, and the concave part of the shield body is provided with an air inlet corresponding to the inner injection pipe.

In order to avoid the influence of the arrangement of the outer nozzle on the introduction of the external primary air into the inner nozzle, preferably, the air supply part is a nozzle seat, the nozzle seat is provided with the outer nozzle communicated with the air inlet end of the outer injection pipe and the inner nozzle communicated with the air inlet of the inner injection pipe, and a primary air port for the introduction of the primary air is formed between the outer nozzle and the inner nozzle.

In order to make the outer ring fire cover and the inner ring fire cover of the burner burn more fully, the bottom of the lower layer cover is preferably provided with at least three support legs, and the interval between the adjacent support legs and the panel forms a secondary air channel for supplementing secondary air to the inner area of the outer ring air mixing chamber and the outer area of the inner ring air mixing chamber.

Compared with the prior art, the utility model has the advantages of a gas-cooker that separates integrative setting of heat exchanger and combustor is provided, wherein separate the bottom that the cover body diapire of heat exchanger inwards extends the constitution combustor, only leave the air feed portion on the panel when separating heat exchanger and combustor with the realization to take, so that the user is clean, the cover body that separates the heat exchanger has the concave part that holds the air feed portion in addition, can effectively avoid the influence of discharge to air feed portion, separate the heat exchanger simultaneously and can recycle the heat of conduction to cooking utensils panel or flourishing liquid dish, still avoid arousing the temperature rise of cooking utensils panel when improving the thermal efficiency of combustor.

Drawings

Fig. 1 is a schematic structural view of an angle of a gas stove in an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle of the gas stove in the embodiment of the present invention;

FIG. 3 is a cross-sectional view of a portion of FIG. 2;

FIG. 4 is a schematic structural view of the heat shield and the burner of the embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 with the upper cover omitted;

fig. 6 is a schematic structural view of the gas supply part in fig. 1.

Detailed Description

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

As shown in FIGS. 1 to 6, the preferred embodiment of the present invention is shown. The gas stove with the heat insulation cover for the stove in the embodiment comprises a panel 1, a burner and the heat insulation cover 2 arranged around the periphery of the burner, wherein the heat insulation cover 2 comprises an annular cover body, the bottom wall 21 of the cover body extends inwards to form the bottom of the burner, the panel 1 is provided with a gas supply part 10 for supplying mixed gas to the burner, the part of the cover body corresponding to the gas supply part 10 is provided with a concave part 20 which is concave inwards along the radial direction and is used for accommodating the gas supply part 10, the bottom wall 21 of the cover body of the heat insulation cover 2 extends inwards to form the bottom of the burner, so that only the gas supply part 10 on the panel 1 is left when the heat insulation cover 2 and the burner are taken, a user can clean the gas supply part 10, in addition, the cover body of the heat insulation cover 2 is provided with the concave part for accommodating the gas supply part 10, the influence of overflowing liquid on the gas supply part 10 can be effectively avoided, and the, the heat efficiency of the burner is improved, and simultaneously, the temperature rise of the cooker panel 1 is avoided.

In order to realize the integrated molding of the heat shield 2 and the burner in the embodiment, the burner comprises an outer base 3 with an outer ring gas channel 31 and an outer ring fire cover 4 arranged on the outer base 3, wherein the bottom wall 21 of the cover body extends inwards to form the bottom of the outer base 3, and an outer ring gas mixing chamber 41 is formed between the outer ring fire cover 4 and the outer base 3, because the bottom of the outer base 3 of the burner is formed by extending the bottom wall 21 of the cover body, only the gas supply part 10 on the panel 1 is left when the heat shield 2 and the burner are taken, so that the cleanness of a user is facilitated. In addition, in order to realize that the gas supply part 10 supplies gas to the outer ring gas channel 31 of the burner, the burner also comprises an outer injection pipe 5 which is communicated with the outer ring gas channel 31 and the gas supply part 10, and a gas inlet end 51 of the outer injection pipe 5 is correspondingly arranged at the concave part 20 of the cover body. In order to realize that the integral structure of the heat shield 2 and the combustor is not too large when the heat shield and the combustor are integrally formed, the cover body is composed of an upper layer cover 22 and a lower layer cover 23, a cavity 24 is formed between the upper layer cover 22 and the lower layer cover 23, the outer injection pipe 5 is arranged in the cavity 24, the outer injection pipe 5 is accommodated in the cavity 24, and the problem that the combustor is too large in size easily when being combined with the heat shield 2 can be solved. Specifically, the outer ring gas mixing chamber 41 may be designed as two independent gas mixing chambers, for example, the gas mixing chamber is divided into a first outer ring gas mixing chamber 411 located at the inner side and a second outer ring gas mixing chamber 412 located at the outer side by an annular partition plate, the outer ring fire cover 4 may have a first outer fire hole corresponding to the first outer ring gas mixing chamber 411 and a second outer fire hole corresponding to the second outer ring gas mixing chamber 412, in order to enable a user to separately control the middle ring fire formed by the first outer fire hole of the outer ring fire cover 4 and the outer ring fire formed by the second outer fire hole, and the outer injection pipe 5 is correspondingly divided into a first outer injection pipe 51 communicating with the first outer ring gas mixing chamber 411 and a second outer injection pipe 52 communicating with the second outer ring gas mixing chamber 41, the mixed gas of the first outer ring gas mixing chamber 411 is directly supplied by the first outer injection pipe 51, the mixed gas of the second outer ring gas mixing chamber 41 is directly supplied by the second outer injection pipe 52, and is fluidly separated from the first outer ring plenum 411 and the second outer ring plenum 412, so that they can be separately supplied.

In order to make the burner also have an inner ring fire to meet the use requirements of users, the burner also comprises an inner base 6 which is arranged at the inner periphery of the outer base 3 and is provided with an inner ring gas channel 61, an inner ring fire cover 7 which is arranged on the inner base 6 and forms an inner ring gas mixing chamber 71 with the inner base 6, and also comprises at least two connecting rods 8, taking two connecting rods 8 as an example, the fixed end 81 of each connecting rod 8 is connected to the inner wall surface of the outer ring fire cover 4, while the free end 82 extends to the inner base 6, wherein inner base 6 and outer base 3 are connected through connecting rod 8, and inner base 6 is "suspension" in outer base 3's central authorities together with inner ring fire lid 7 equivalently, has omitted the annular chamber that encloses between outer ring gas mixing chamber 41 and the inner ring gas mixing chamber 71 of traditional combustor, and then has avoided the phenomenon that the annular chamber blackened, and then the user of being convenient for cleans. Similarly, in order to further realize that the integral structure of the heat shield 2 and the burner is not too large when integrally formed, preferably, the heat shield further comprises an inner injection pipe 9 communicating the inner ring gas channel 61 and the gas supply part 10, the inner injection pipe 9 radially penetrates out of the outer ring gas mixing chamber 41, the concave part 20 of the shield body is provided with a gas inlet corresponding to the inner injection pipe 9, the inner injection pipe 9 and the connecting rod 8 jointly make the inner base 6 and the inner ring fire cover 7 be "suspended" in the center of the outer base 3, finally, in order to avoid influencing the introduction of external primary air into the inner nozzle 103 due to the arrangement of the outer nozzle, the gas supply part 10 is a nozzle seat, the nozzle seat is provided with a first outer nozzle 101 communicated with the gas inlet 51 of the first outer injection pipe 5, a second outer nozzle 102 communicated with the gas inlet 51 of the second outer injection pipe 5 and an inner nozzle 103 communicated with the gas inlet of the inner injection pipe 9, a primary air port 104 for the entry of primary air is provided between the first outer nozzle 101 or the second outer nozzle 102 and the inner nozzle 103. In order to make the outer ring fire cover 4 and the inner ring fire cover 7 of the burner burn more fully, the bottom of the lower layer cover 23 is provided with at least three legs 231, and the interval between the adjacent legs 231 and the panel 1 forms a secondary air channel 232 for supplementing secondary air to the inner area of the outer ring air mixing chamber 41 and the outer area of the inner ring air mixing chamber 71.

As described above, the path of the primary air, the gas, and the mixed primary air and gas inside the burner is as follows, the primary air is introduced into the first outer ring gas mixing chamber 411 by the low pressure caused by the gas injection from the first outer nozzle 101 into the first outer ring gas mixing chamber 411, the primary air and the gas are premixed, and finally further mixed in the first outer ring gas mixing chamber 411, similarly, the primary air is introduced into the second outer ring gas mixing chamber 412 by the low pressure caused by the gas injection from the second outer nozzle 102 into the second outer ring gas mixing chamber 412, the primary air and the gas are premixed, and finally further mixed in the second outer ring gas mixing chamber 412, and the mixed primary air and gas finally flow out through the first outer fire hole of the outer ring fire cover 4 and are ignited together with the secondary air of the external environment, and forming an intermediate ring fire, wherein the mixed primary air and gas finally flow out through a second outer fire hole of the outer ring fire cover 4 and are ignited together with secondary air of an external environment to form an outer ring fire, and in order to enable a user to independently control the central fire, the primary air and the gas required by the central fire are input into the inner ring gas mixing chamber 71 through the inner injection pipe 9, meanwhile, the inner ring gas mixing chamber 71 is separated from the fluid of the first outer ring gas mixing chamber 41 and the fluid of the second outer ring gas mixing chamber 41 and can be independently supplied, and if the sizes of the outer ring fire, the intermediate ring fire and the central fire are adjusted, an adjusting valve connected to the air inlet end of an input channel is adjusted.

Claims (8)

1. The utility model provides a gas-cooker with range is with separating heat exchanger, includes panel (1), encloses to enclose the cover body that has central hole and is located the combustor of central hole, its characterized in that: the panel (1) is provided with a gas supply part (10) for providing mixed gas for the burner, and the part of the cover body corresponding to the gas supply part (10) is provided with a concave part (20) for accommodating the gas supply part (10).

2. The gas range with the cooktop heat shield according to claim 1, wherein: the combustor includes:

the outer base (3) is provided with an outer ring gas channel (31), and the bottom wall (21) of the cover body extends towards the central hole to form the bottom of the outer base (3); and

and the outer ring fire cover (4) is arranged on the outer base (3) and forms an outer ring gas mixing chamber (41) with the outer base (3).

3. The gas range with the cooktop heat shield according to claim 2, wherein: the gas supply device is characterized by further comprising an outer injection pipe (5) communicated with the outer ring gas channel (31) and the gas supply part (10), wherein a gas inlet end (51) of the outer injection pipe (5) is correspondingly arranged at the concave part (20) of the cover body.

4. The gas range with the cooktop heat shield according to claim 3, wherein: the cover body comprises an upper cover (22) and a lower cover (23), a cavity (24) is formed between the upper cover (22) and the lower cover (23), and the outer injection pipe (5) is arranged in the cavity (24).

5. The gas range with the cooktop heat shield of claim 4, wherein: the combustor still includes:

the inner base (6) is arranged on the inner periphery of the outer base (3) and is provided with an inner ring gas channel (61);

the inner ring fire cover (7) is arranged on the inner base (6) and forms an inner ring air mixing chamber (71) with the inner base (6); and

the connecting rods (8) are provided with at least two connecting rods (8), the fixed ends (81) of the connecting rods are connected to the inner wall surface of the outer ring fire cover (4), and the free ends (82) of the connecting rods extend to the inner base (6).

6. The gas range with the cooktop heat shield of claim 5, wherein: still including the intercommunication inner ring gas passageway (61) with interior injection pipe (9) of air feed portion (10), interior injection pipe (9) radially run through out outer loop gas mixing chamber (41), concave department (20) of the cover body have the correspondence the inlet of interior injection pipe (9).

7. The gas range with the cooktop heat shield of claim 6, wherein: the air supply part (10) is a nozzle seat, an outer nozzle communicated with an air inlet end of the outer injection pipe (5) and an inner nozzle (103) communicated with an air inlet of the inner injection pipe (9) are arranged on the nozzle seat, and a primary air port (104) for primary air to enter is formed between the outer nozzle and the inner nozzle (103).

8. The gas range with the cooktop heat shield of claim 7, wherein; the bottom of the lower layer cover (23) is provided with at least three support legs (231), and the interval between the adjacent support legs (231) and the panel (1) forms a secondary air channel (232) for supplementing secondary air to the inner area of the outer ring air mixing chamber (41) and the outer area of the inner ring air mixing chamber (71).

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