CN216790329U - Heat shield for stove - Google Patents

Abstract

The utility model relates to a heat shield for a stove, which comprises an annular shield body and is characterized in that: the upper surface of the cover body is provided with at least two pairs of first gathering pieces and second gathering pieces which are arranged in pairs, each first gathering piece comprises a first side edge facing the rotating direction of the spiral arm, each second gathering piece comprises a second side edge facing away from the rotating direction of the spiral arm, and a gathering space for gathering smoke is formed between the first side edge of the adjacent first gathering piece and the second side edge of the second gathering piece, compared with the prior art, the smoke gathering device has the advantages that: this kitchen is with cover body upper surface that separates heat exchanger is equipped with at least two pairs of first gathering piece and the second gathering piece that set up in pairs, is formed with the space of gathering together the flue gas between the first side of adjacent first gathering piece and the second side of second gathering piece, should gather together the space and can reduce the exhaust port area, prolongs the dwell time of high temperature flue gas, can also promote the thermal efficiency when increasing the heat transfer.

Description

Heat shield for stove

Technical Field

The utility model relates to a heat shield, in particular to a heat shield for a stove.

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, a part of heat energy generated by gas combustion is escaped to the surrounding environment except for heating the pot, so that energy waste is caused; in order to solve the above problems, some heat collecting and energy collecting structures have appeared in recent years, such as the Chinese utility model ' a heat shield for kitchen and a kitchen range using the same ' ZL201721665844.3 (with the publication number of CN208332362U) of the applicant's application, which discloses a heat shield for kitchen, comprising a circular ring-shaped cover body, the cover body is hollow to form a cavity, the bottom of the cover body is formed with at least two secondary air replenishing grooves with downward openings, wherein, the upper surface of the cover body is provided with at least two raised fins from the outer side edge to the inner side edge, the fins are arranged at intervals along the circumferential direction of the cover body, the slant arrangement of the fins can enhance the contact area between the fins and the bottom of the kitchen range, so that the flame can fully exchange heat with the bottom of the kitchen range, and can also reduce the loss of flame and prevent the radiation of heat energy to the space of the kitchen range, although the slant arrangement of the fins on the heat shield can enhance the contact area between the fins and the bottom of the kitchen range, however, the heat shield for the kitchen range cannot prevent the smoke from flowing out to the kitchen space, which causes energy waste, and therefore further improvement on the heat shield for the kitchen range is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing the heat shield for the stove, which can effectively gather smoke gas, aiming at the current technical situation.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: this kitchen is with separating heat exchanger, including the annular cover body, its characterized in that: the upper surface of the cover body is provided with at least two pairs of first gathering pieces and second gathering pieces which are arranged in pairs, each first gathering piece comprises a first side edge facing the rotation direction of the spiral arm, each second gathering piece comprises a second side edge facing away from the rotation direction of the spiral arm, and the first side edge of the first gathering piece and the second side edge of the second gathering piece form a gathering space for gathering smoke gas.

In order to realize that the contact area between each first gathering piece and each second gathering piece and the smoke is enlarged and the first gathering pieces and the second gathering pieces can be better gathered, preferably, an included angle alpha is formed between the tangent line of each first gathering piece and/or each second gathering piece and the central line of the cover body, and the included angle alpha is 0< alpha <70 degrees. Therefore, each first gathering piece and each second gathering piece can perform effective heat exchange with the smoke, and meanwhile, the smoke loss can be reduced, and the smoke is prevented from flowing out of a kitchen.

Further, a pot supporting leg for supporting a pot is arranged between each pair of the first gathering piece and the second gathering piece. Every pot stabilizer blade with to every gather together and be formed with the additional strengthening of similar "triangle" between the piece to first gathering together and the second gathering to when supporting the pan better, can also avoid the pot stabilizer blade to gather the diffusion of avoiding the heat source in "triangle" district from the heat source energy of pan in conduction, thereby can heat the pan in reverse, with effective increasing the heat efficiency.

In order to achieve a stable connection between each pan foot and each pair of first and second gathering members, it is preferred that the respective pan foot is connected to the connecting portion between each pair of said first and second gathering members.

Furthermore, the height of the inner side edge of the cover body is lower than that of the outer side edge, the height of the outer side end of each of the first gathering piece and the second gathering piece is lower than that of the inner side end, and the outer side end of each of the first gathering piece and the second gathering piece gradually and smoothly extends downwards to the inner side end in an inclined mode. The flue gas meets the first gathering piece and the second gathering piece that each slant set up, can strengthen each first gathering piece and the second gathering piece and the area of contact of flue gas, make the flue gas fully carry out the heat exchange with the bottom of a boiler, can also reduce flame and scatter and disappear simultaneously, prevent heat energy to the kitchen space radiation, each first gathering piece and second gathering piece extend by medial extremity outside side end slope smoothly simultaneously, according to the hydrodynamics principle, the arc sets up and makes high temperature flame be the jump form, thereby impel flame to strike the bottom of a boiler repeatedly, heat energy is by make full use of.

Compared with the prior art, the utility model has the advantages that: this kitchen is with cover body upper surface that separates heat exchanger is equipped with at least two pairs of first gathering piece and the second gathering piece that set up in pairs, is formed with the space of gathering together the flue gas between the first side of adjacent first gathering piece and the second side of second gathering piece, should gather together the space and can reduce the exhaust port area, prolongs the dwell time of high temperature flue gas, can also promote the thermal efficiency when increasing the heat transfer.

Drawings

FIG. 1 is a schematic structural view of a heat shield for a cooking stove according to an embodiment of the present invention;

fig. 2 is a sectional view of a heat shield for a cooktop in an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1-2, the preferred embodiment of the present invention is shown. The heat shield for the kitchen range of the embodiment comprises an annular shield body 1, at least two pairs of first gathering pieces 11 and second gathering pieces 12 which are arranged in pairs are arranged on the upper surface of the shield body 1, each first gathering piece 11 comprises a first side edge 111 facing the rotating direction of the rotating arm, each second gathering piece 12 comprises a second side edge 121 facing away from the rotating direction of the rotating arm, a gathering space 2 for gathering smoke is formed between the first side edge 111 of the adjacent first gathering piece 11 and the second side edge 121 of the second gathering piece 12, the upper surface of the cover body 1 of the heat shield for the kitchen range is provided with at least two pairs of first gathering pieces 11 and second gathering pieces 12 which are arranged in pairs, a gathering space 2 for gathering smoke is formed between the first side edge 111 of the adjacent first gathering piece 11 and the second side edge 121 of the second gathering piece 12, the gathering space 2 can reduce the area of a smoke outlet, prolong the retention time of high-temperature smoke, increase heat exchange and improve heat efficiency.

Specifically, in order to realize that the contact area between each first gathering piece 11 and each second gathering piece 12 and the smoke is enlarged and simultaneously the first gathering pieces 11 and the second gathering pieces 12 can be better gathered, an included angle α is formed between the tangent line of each first gathering piece 11 and/or each second gathering piece 12 and the center line of the cover body 1, and the included angle α is 0< α <70 °, and α in the embodiment is 60 °; therefore, each first gathering part 11 and each second gathering part 12 can perform effective heat exchange with the smoke, and simultaneously, the smoke loss can be reduced, and the smoke is prevented from flowing out to a kitchen. In addition, every have the pot stabilizer blade 3 that is used for supporting the pan to gathering together between piece 11 and the second of gathering together to first, every pot stabilizer blade 3 and every gather together and be formed with the additional strengthening of similar "triangle" between piece 12 to gathering together first 11 and the second of gathering together to when supporting the pan better, can also avoid pot stabilizer blade 3 to gather the diffusion of avoiding the heat source in "triangle" district from the heat source energy of conducting in the pan, thereby can heat the pan in reverse, with effective thermal efficiency that improves. In order to achieve a firm connection between each pan foot 3 and each pair of first and second gathering members 11, 12, the respective pan foot 3 is connected to the connecting portion 10 between each pair of first and second gathering members 11, 12. The height of the inner side edge 1a of the cover body 1 is lower than that of the outer side edge 1b, the height of the outer side end 11c of each first gathering piece 11 and each second gathering piece 12 is lower than that of the inner side end 11d, and the outer side end 11c of each first gathering piece 11 and each second gathering piece 12 gradually and smoothly extends downwards to the inner side end 11d in an inclined mode. The flue gas meets the first gathering part 11 and the second gathering part 12 which are obliquely arranged, the contact area between the first gathering part 11 and the second gathering part 12 and the flue gas can be increased, the flue gas can fully exchange heat with the bottom of a boiler, flame dissipation can be reduced, heat energy can be prevented from radiating to a kitchen space, meanwhile, the first gathering part 11 and the second gathering part 12 extend from the inner side end 11d to the outer side end 11c in an inclined and smooth mode, according to the fluid mechanics principle, the arc-shaped arrangement enables the high-temperature flame to be in a jumping shape, accordingly, the flame can repeatedly impact the bottom of the boiler, and heat energy is fully utilized.

Claims (5)

1. The utility model provides a kitchen is with separating heat exchanger, including annular cover body (1), its characterized in that: the upper surface of the cover body (1) is provided with at least two pairs of first gathering pieces (11) and second gathering pieces (12) which are arranged in pairs, and each first gathering piece (11) comprises a first side edge (111) facing the rotation direction of the spiral arm, and each second gathering piece (12) comprises a second side edge (121) facing away from the rotation direction of the spiral arm, and is adjacent to the first side edge (111) of the first gathering piece (11) and a gathering space (2) for gathering smoke gas is formed between the second side edges (121) of the second gathering piece (12).

2. The cooktop heat shield of claim 1, wherein: an included angle alpha is formed between the tangent line of each first gathering piece (11) and/or each second gathering piece (12) and the center line of the cover body (1), and the included angle alpha is more than 0 and less than 70 degrees.

3. The cooktop heat shield of claim 2, wherein: a pan supporting leg (3) for supporting a pan is arranged between each pair of the first gathering piece (11) and the second gathering piece (12).

4. The cooktop heat shield of claim 3, wherein: each pan foot (3) is connected to the connecting part (10) between each pair of the first gathering piece (11) and the second gathering piece (12).

5. The heat shield for a cooktop according to any one of claims 1 to 4, wherein: the inner side edge (1a) of the cover body (1) is lower than the outer side edge (1b) in height, the height of the outer side end (11c) of each of the first gathering piece (11) and the second gathering piece (12) is smaller than the height of the inner side end (11d), and the outer side ends (11c) of the first gathering piece (11) and the second gathering piece (12) gradually and smoothly extend downwards to the inner side end (11d) in an inclined mode.

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