Pot support and stove

Abstract

The utility model discloses a pot support which comprises a pot support body which is annularly arranged, a combustion cavity is defined by the pot support body, and a heat insulation cavity is formed in the pot support body. The heat insulation cavity is formed in the top wall of the pot support, the partition pieces are arranged in the heat insulation cavity and divide the heat insulation cavity into a first sub-cavity and a second sub-cavity from top to bottom in the height direction of the pot support, and the thickness of the first sub-cavity is smaller than that of the second sub-cavity. And the heat transfer efficiency between the pot bracket and the pot is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen utensil technical field, especially a kind of pot support and stove. BACKGROUND

[0002] At present, kitchen stove usually includes burner and pot support, pot support is set on the outside of burner, and it plays the role of supporting pot. When burner works, primary air mixed gas is sprayed from the fire hole of burner, and is ignited by ignition device to form flame by secondary air, to heat the pot on the pot support.

[0003] In related technical field, heat insulation cavity is formed in pot support, to reduce the efficiency of heat transfer to outside, however, in use process, air in heat insulation cavity will have violent convection, so that the heat of pot support top wall is transferred to the bottom wall and outer side wall of pot support through air, causing certain heat loss. SUMMARY

[0004] The pot support and stove provided by the application can reduce the heat loss of the top wall of the pot support and improve the heat transfer efficiency between the pot support and the pot.

[0005] In a first aspect, the application provides a pot support, which includes a pot support body, the pot support body is annularly arranged and defines a combustion cavity, and a heat insulation cavity is formed in the pot support body; and

[0006] At least one partition is arranged in the heat insulation cavity, and the heat insulation cavity is divided into a first sub-cavity and a second sub-cavity from top to bottom in the height direction of the pot support, and the thickness of the first sub-cavity is smaller than that of the second sub-cavity.

[0007] In a possible implementation, the partition includes:

[0008] A partition plate is arranged in the height direction of the pot support body and spaced from the top wall, and the partition plate is a corrugated plate to form a plurality of wave crests and a plurality of wave troughs alternately connected in the radial direction of the combustion cavity.

[0009] In a possible implementation, in the height direction of the pot support, the distance between the bottom of the wave trough and the top wall is not less than 2 mm and not greater than 5 mm; and / or,

[0010] In the height direction of the pot support, the distance between the top of the wave crest and the top wall is not greater than 1 mm.

[0011] In a possible implementation, the partition plate is a flat plate, and in the height direction of the pot support, the thickness of the first sub-cavity is not less than 1 mm and not greater than 5 mm.

[0012] In a possible implementation manner, the partition plate comprises

[0013] a horizontal plate, which is arranged in a spaced manner with the top wall of the wok support body in the height direction; and

[0014] a plurality of vertical plates, which are connected to the upper surface of the horizontal plate to form a plurality of annular grooves arranged in a spaced manner from inside to outside with the horizontal plate.

[0015] In a possible implementation manner, the wok support body has an inner side surface arranged towards the combustion cavity, and the inner side surface is provided with an opening communicating the heat insulation cavity and the combustion cavity; the partition further comprises:

[0016] an extension plate connected to one side of the partition plate close to the combustion cavity. The extension plate divides the opening into a first opening communicating the first sub-cavity and a second opening communicating the second sub-cavity.

[0017] In a possible implementation manner, in the height direction of the wok support, the thickness of the first opening is smaller than the thickness of the second opening; and / or,

[0018] In the height direction of the wok support, the thickness of the first opening is not greater than 1 mm.

[0019] In a possible implementation manner, the wok support body comprises an inner side wall arranged towards the combustion cavity, the top end of the inner side wall is connected to the top wall, the inner side wall has the opening, and in the radial direction of the combustion cavity, the inner side wall is arranged in an upwardly inclined manner, and the extension plate is arranged in a spaced manner with the inner side wall.

[0020] In a possible implementation manner, at least the first sub-cavity is filled with a heat insulation material.

[0021] In a possible implementation manner, the wok support body comprises an upper cover and a lower cover connected to each other, and the upper cover and the lower cover enclose to form the heat insulation cavity.

[0022] In the possible implementation manner, the outer peripheral wall of the partition is connected to the inner wall of the upper cover; and / or, the outer peripheral wall of the upper cover is fixedly connected to the outer peripheral wall of the lower cover.

[0023] In a possible implementation manner, a plurality of partitions are arranged, and the plurality of partitions are arranged in a spaced manner in the height direction of the wok support to divide the heat insulation cavity into a plurality of sub-cavities in the height direction, and in the height direction of the wok support, the thickness of the uppermost sub-cavity is smaller than the thickness of the remaining sub-cavities.

[0024] In a possible implementation manner, in the height direction of the pot support, the thickness of the upper sub-cavity is smaller than the thickness of the lower sub-cavity in any two adjacent sub-cavities.

[0025] The pot support provided in the embodiments of the present application has a heat insulation cavity formed in the pot support body, which can reduce heat exchange between the inside of the pot support body and the outside environment. In the cooking process, the pot support will be subjected to heat radiation from the burner, and the heat insulation cavity can effectively block the heat from being directly transmitted to the outside of the pot support, thereby reducing the heat conduction and heat radiation paths, allowing the pot support to better collect heat and efficiently transmit the heat to the pot, so that the pot can reach the required cooking temperature more quickly, thereby improving the cooking efficiency; and the temperature of the kitchen environment can be reduced, and the cooking comfort can be improved.

[0026] The embodiments of the present application divide the heat insulation cavity into a first sub-cavity and a second sub-cavity from top to bottom in the height direction of the pot support by the partition, so that the space between the top wall of the pot support body and the partition (i.e., the first sub-cavity) becomes narrow, thereby increasing the air flow resistance and reducing the air convection speed, so as to reduce the convection heat exchange strength, avoid heat of the top wall of the pot support body from being transmitted to the partition through air convection, and reduce the energy loss of the top wall of the pot support body. In addition, the partition blocks the heat transmission path of the top wall of the pot support body to the bottom surface and the outer side wall, and further reduces the heat loss.

[0027] In a second aspect, the embodiments of the present application provide a stove, which comprises a burner and the pot support as described above. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.

[0029] Figure 1 A structural schematic view of a pot support provided in the embodiments of the present application (with a pot supported);

[0030] Figure 2 A structural schematic view of a pot support provided in the embodiments of the present application (with a pot supported); Figure 1 A sectional view schematic view at A-A in the above-mentioned structural schematic view of the pot support;

[0031] Figure 3 A sectional view schematic view of a pot support provided in the embodiments of the present application;

[0032] Figure 4 A sectional view schematic view of a pot support provided in the embodiments of the present application; Figure 3An enlarged schematic view at B;

[0033] Figure 5 Another cross-sectional view of a pot support provided by an embodiment of the present application;

[0034] Figure 6 Another cross-sectional view of a pot support provided by an embodiment of the present application;

[0035] Figure 7 Provided is Figure 3 An enlarged schematic view at C;

[0036] Figure 8 An exploded view of a pot support provided by an embodiment of the present application;

[0037] Figure 9 A top view of a pot support provided by an embodiment of the present application.

[0038] BRIEF DESCRIPTION OF DRAWINGS

[0039] 1. pot support; 10. pot support body; 10a. flue gas passage; 10b. heat insulation cavity; 10b1. first sub-cavity; 10b2. second sub-cavity; 10d. opening; 10e. first opening; 10f. second opening; 110. upper cover; 111. top wall; 112. inner side wall; 120. lower cover; 20. support member; 210. support surface; 30. support leg; 40. partition member; 410. partition plate; 411. corrugated plate; 411a. wave crest; 411b. wave trough; 412. flat plate; 413. horizontal plate; 414. vertical plate; 415. annular groove; 416. extension plate.

[0040] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0041] To make the purpose, technical scheme and advantages of the present application more clear, the following will make further detailed description to the embodiments of the present application with reference to the drawings.

[0042] The following description of the drawings refers to the accompanying drawings in which like numbers play the same or similar roles. The embodiments described in the following example embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of some embodiments consistent with the present application as detailed in the appended claims.

[0043] In the description of the utility model, need understanding is, the term "first", "second" and so on is only used for the purpose of description, and can not be understood as indicating or implying relative importance. For ordinary skilled in the art, the above terms can be understood in the specific meaning in the utility model according to specific circumstances. In addition, in the description of the utility model, unless otherwise specified, "multiple" refers to two or more than two. "And / or", the association relationship of the associated object is described, which means that there can be three kinds of relationships, for example, A and / or B, which can represent the following three cases: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents that the associated objects before and after are "or" relationship.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more associated listed items.

[0045] Please refer to Figure 1 And Figure 2 The embodiments of the present application propose a pot support 1 and a stove, which comprises the pot support 1 and a burner. The pot support 1 defines a combustion chamber, and the pot support 1 is placed on the gas stove and surrounds the side of the burner. Along the height direction of the pot support 1, the combustion chamber at least partially coincides with the burner, so that the flame generated by the burner can be in the combustion chamber. Of course, the burner and the combustion chamber are completely coincident to make the gas emitted by the burner completely burn in the combustion chamber

[0046] The pot support 1 comprises a pot support body 10, a plurality of supporting members 20 and supporting legs 30. The pot support body 10 is arranged in a ring shape and defines the above-mentioned combustion chamber; wherein the pot support body 10 can be a circular ring, of course, according to actual demand, the pot support body 10 can also be a square ring or other shapes. And the pot support body 10 can be cast iron, enamel or galvanized and other materials with the advantages of high temperature resistance, good strength and the like.

[0047] A plurality of support members 20 are connected to the upper surface of the pot support body 10 and are arranged at intervals around the combustion cavity and are used to support the support surface 210 of the pot, wherein the support surface 210 can be a horizontal surface. It can be understood that the number of support members 20 should be three or more, and the angle between the two support members 20 farthest apart along the circumference of the pot support body 10 should be greater than 180° in order to enable the support members 20 to support the pot; in order to achieve stable support of the pot by at least three support members 20, in some embodiments of the present application, the at least three support members 20 are distributed at equal intervals along the circumference of the pot support body 10. Furthermore, the support members 20 can be cast iron or other materials with high-temperature resistance, and the present embodiment does not limit this. The plurality of support members 20 are connected to the top of the pot support body 10 along the circumference of the pot support body 10. In this way, the support effect on the pot along the circumference of the pot support body 10 can be improved.

[0048] The support legs 30 are provided at the bottom of the pot support body 10 and are used to be placed on the tabletop of the cooking bench and to support the pot support body 10. The number of support legs 30 is a plurality, and the plurality of support legs 30 are connected to the pot support body 10 at intervals along the circumference of the pot support 1 to improve the stability of the pot support body 10.

[0049] Optionally, the connection between the support members 20 and the support legs 30 and the pot support body 10 can be by welding or one-piece forming, etc. Here, the connection between the support members 20 and the pot support body 10 and the connection between the support legs 30 and the pot support body 10 are not specifically limited.

[0050] When the pot support 1 is used, the burner is placed inside the pot support body 10, the pot support body 10 is arranged around the burner, the pot is placed on the support member 20, and the burner, the pot support 1 and the pot form a combustion space, the support member 20 separates the pot from the pot support body 10, so that the bottom surface of the pot and the top of the pot support body 10 form an air passage space, and the flue gas generated by the combustion of the burner can be discharged from the combustion space through the air passage space, and the high-temperature flame generated by the burner passes through the pot to heat it.

[0051] Please refer to Figure 3The pot support main body 10 is internally formed with a heat insulation cavity 10b, and the pot support 1 further comprises at least one partition 40, which is arranged in the heat insulation cavity 10b and separates the heat insulation cavity 10b into a first sub-cavity 10b1 and a second sub-cavity 10b2 from top to bottom in the height direction of the pot support 1, and the thickness of the first sub-cavity 10b1 is smaller than that of the second sub-cavity 10b2. The main function of the heat insulation cavity 10b is to reduce the heat exchange between the inside and outside of the pot support main body 10. During cooking, the pot support 1 will be subjected to heat radiation from the burner, and the heat insulation cavity 10b can effectively block the direct transmission of these heat to the outside of the pot support 1, which can reduce the heat conduction and heat radiation path, so that the pot support 1 can better collect heat and efficiently transmit it to the pot, so that the pot can reach the required cooking temperature faster, thereby improving the cooking efficiency; secondly, it can reduce the temperature of the kitchen environment and improve the comfort of cooking.

[0052] During combustion, the upper surface of the pot support main body 10 will radiate heat to the pot. In order to reduce the heat loss of the upper surface of the pot support main body 10, the partition 40 of the present application separates the heat insulation cavity 10b into a first sub-cavity 10b1 and a second sub-cavity 10b2 from top to bottom in the height direction of the pot support 1, and the thickness of the first sub-cavity 10b1 is smaller than that of the second sub-cavity 10b2. Specifically, the upper surface of the pot support main body 10 is connected with a support 20, and the outer wall surface of the support 20 and the upper surface of the pot support main body 10 will be in contact with the flue gas, thereby increasing the heat. As the temperature of the upper surface of the pot support main body 10 rises, the air in the heat insulation cavity 10b will also be heated and expand, and will undergo violent thermal motion, forming convection. This convection heat transfer will promote the heat transfer between the top wall 111 of the pot support main body 10 and the bottom wall and the outer side wall of the pot support main body 10, so that part of the heat of the top wall 111 of the pot support main body 10 is lost.

[0053] Please refer to Figure 3 and Figure 4 , in order to limit the intensity of this convection heat transfer and reduce the heat loss of the top wall 111 of the pot support main body 10, the partition 40 of the present application separates the heat insulation cavity 10b into a first sub-cavity 10b1 and a second sub-cavity 10b2 from top to bottom in the height direction of the pot support 1, so that the space between the top wall 111 of the pot support main body 10 and the partition 40 (i.e. the first sub-cavity 10b1) becomes narrow, thereby increasing the air flow resistance and reducing the air convection speed, thereby reducing the intensity of the convection heat transfer, and avoiding the heat of the top wall 111 of the pot support main body 10 being transmitted to the partition 40 through air convection. In addition, the partition 40 blocks the path of the heat of the top wall 111 of the pot support main body 10 to the bottom surface and the outer side wall, further reducing the heat loss.

[0054] The partition 40 comprises a partition plate 410, which is arranged in the height direction of the top wall 111 of the pot support body 10. In some embodiments, please refer to Figure 4 The partition plate 410 is a corrugated plate 411, which is arranged to form a plurality of wave crests 411a and a plurality of wave troughs 411b alternately connected in the radial direction of the combustion cavity. The uneven surface of the corrugated plate 411 greatly increases the resistance of air flow, so that the convective motion of air in the first sub-cavity 10b1 is further inhibited. Therefore, it is more difficult for the heat of the top wall 111 of the pot support body 10 to be transmitted to the partition plate 410 by air convection, further reducing the heat dissipation of the top wall 111 of the pot support body 10.

[0055] In the height direction of the pot support 1, please refer to Figure 4 The distance h2 between the bottom of the wave trough 411b and the top wall 111 is not less than 2 mm and not greater than 5 mm; in the height direction of the pot support 1, the distance h1 between the top of the wave crest 411a and the top wall 111 is not greater than 1 mm. The distance h2 between the bottom of the wave trough 411b and the top wall 111 is not less than 2 mm ensures that there is enough space for air to flow in the wave trough 411b and allows a certain degree of air flow. At the same time, this distance also avoids direct contact between the partition plate 410 and the top wall 111, thereby reducing the heat loss caused by contact heat conduction. The distance h2 between the bottom of the wave trough 411b and the top wall 111 is not greater than 5 mm limits the maximum depth of the wave trough 411b, preventing the formation of excessive vortex flow of air in the wave trough 411b, which may increase the intensity of convective heat transfer.

[0056] Since the wave crest 411a and the wave trough 411b are alternately connected in the radial direction of the combustion cavity, that is, the corrugated plate 411 and the top wall 111 of the pot support body 10 will separate the first sub-cavity 10b1 into a plurality of annular cavities arranged in the radial direction of the combustion cavity, and the distance h1 between the top of the wave crest 411a and the top wall 111 is not greater than 1 mm, which reduces the possibility of air convection between each annular cavity. Since the inner side of the pot support body 10 is provided with a burner, this area will be directly heated by the flame, so the annular cavities close to the inner side of the pot support body 10 will receive more heat. The plurality of annular cavities are designed to be difficult to convect, which will cause the air in the inner annular cavities to be not easily dispersed to the air in the outer annular cavities, further reducing the heat exchange efficiency between the air in the first sub-cavity 10b1 and the partition plate 410, and further reducing the heat dissipation of the top wall 111 of the pot support body 10.

[0057] In other embodiments, please refer to Figure 5, the partition plate 410 is a flat plate 412, and the thickness of the first sub-cavity 10b1 in the height direction of the pot support 1 is not less than 1 mm and not more than 5 mm. In this embodiment, the structure of the partition plate 410 is relatively simple, which improves the processing efficiency. Moreover, the thickness of the first sub-cavity 10b1 is not less than 1 mm and not more than 5 mm. By setting the first sub-cavity 10b1 in this range, on the one hand, the partition plate 410 is prevented from contacting the top wall 111 of the pot support body 10 during installation, and on the other hand, the maximum thickness of the first sub-cavity 10b1 is limited, which weakens the intensity of the convection movement of air in the first sub-cavity 10b1.

[0058] In still other embodiments, referring to Figure 6 , the partition plate 410 includes a horizontal plate 413 and a plurality of vertical plates 414, the horizontal plate 413 is arranged in the height direction and spaced apart from the top wall 111 of the pot support body 10, and the plurality of vertical plates 414 are connected to the upper surface of the horizontal plate 413 to form a plurality of annular grooves 415 spaced apart from the inside to the outside with the horizontal plate 413. In this embodiment, the spacing between the vertical plate 414 and the top wall 111 of the pot support body 10 can be set with reference to the spacing between the peak top of the wave crest 411a and the top wall 111 of the pot support body 10 as described above, and the spacing between the horizontal plate 413 and the top wall 111 of the pot support body 10 can be set with reference to the spacing between the valley bottom of the wave trough 411b and the top wall 111 of the pot support body 10 as described above.

[0059] Optionally, the first sub-cavity 10b1 is filled with a heat insulating material. In this way, the air flow space in the first sub-cavity 10b1 can be further reduced, and the intensity of air convection can be reduced. The heat insulating material can include ceramic fiber, aerogel, mineral wool, glass fiber, etc.

[0060] The pot support body 10 has an inner side surface facing the combustion cavity, and the inner side surface is provided with an opening 10d communicating the heat insulation cavity 10b with the combustion cavity; the partition piece 40 further includes an extension plate 416 connected to one side of the partition plate 410 close to the combustion cavity. The extension plate 416 divides the opening 10d into a first opening 10e communicating the first sub-cavity 10b1 and a second opening 10f communicating the first sub-cavity 10b2. It can be understood that the inner side surface of the pot support body 10 is provided with a burner, so the annular cavity close to the inner side surface of the pot support body 10 will receive more heat. By providing the inner side surface of the pot support body 10 with the opening 10d, the heat of the top wall 111 of the pot support body 10 can be prevented from being transmitted downward.

[0061] Further, along the height direction of the pot support 1, referring to Figure 7The thickness of the first opening 10e is less than the thickness of the second opening 10f, that is, the partition plate 410 is farther away from the bottom wall of the hob body 10 than the top wall 111 of the hob body 10, so as to avoid heat on the partition plate 410 from being transmitted to the bottom wall of the hob body 10. Optionally, the thickness of the first opening 10e is not greater than 1 mm in the height direction of the hob 1, so as to reduce the possibility of external air and impurities entering the heat insulation cavity 10b.

[0062] The hob body 10 comprises an inner side wall 112 arranged towards the combustion cavity, the top end of the inner side wall 112 is connected to the top wall 111, the inner side wall 112 has the opening 10d, and in the radial direction of the combustion cavity, the inner side wall 112 is arranged upwardly inclined, and the extension plate 416 is arranged spaced apart from the inner side wall 112. When the burner is working, the flame will spread outwardly to form a relatively large heat radiation area. This area not only includes the high-temperature part of the flame itself, but also includes the heated air and gas around the flame. The upwardly inclined arrangement of the inner side wall 112 can more effectively guide the heat generated by the flame to be transmitted upwardly, reducing the spread of heat in the horizontal direction. In this way, heat can more concentratedly act on the bottom of the cookware, improving the cooking efficiency. The extension plate 416 is arranged spaced apart from the inner side wall 112, so that the spacing between the extension plate 416 and the inner side wall 112 is limited, thereby limiting the convective motion of air, and further reducing the heat transfer efficiency of the top wall 111 of the hob body 10.

[0063] In some structural forms, referring to Figure 8 The hob body 10 comprises an upper cover 110 and a lower cover 120 connected to each other, the upper cover 110 and the lower cover 120 enclose to form the heat insulation cavity 10b; the outer peripheral wall of the partition 40 is connected to the inner wall of the upper cover 110, and the outer peripheral wall of the upper cover 110 is fixedly connected to the outer peripheral wall of the lower cover 120. Among them, the upper cover 110 can form the top wall 111 and part of the inner side wall 112 of the above-mentioned hob body 10, and the lower cover 120 can form the bottom wall, part of the outer side wall and part of the inner side wall 112 of the above-mentioned hob body 10. The connection position of the partition 40 and the upper cover 110, and the connection position of the upper cover 110 and the lower cover 120 are located on the side away from the burner, so that the above-mentioned opening 10d can be conveniently formed, and the risk of heat of the upper cover 110 being directly transmitted to the lower cover 120 can be reduced, thereby reducing heat loss and improving heat insulation effect. The upper cover 110 and the lower cover 120, and the upper cover 110 and the partition plate 410 can be connected by welding.

[0064] In some embodiments, multiple partitions 40 are provided and are arranged in the height direction of the pot support 1 to divide the heat insulation cavity 10b into multiple sub-cavities in the height direction, and the thickness of the uppermost sub-cavity is smaller than that of the remaining sub-cavities. In this way, the convection efficiency of the air in the heat insulation cavity 10b can be further limited, the efficiency of heat transfer downward can be further reduced, and the heat preservation performance of the pot support 1 can be effectively improved.

[0065] Optionally, in the height direction of the pot support 1, the thickness of the upper sub-cavity is smaller than that of the lower sub-cavity in any two adjacent sub-cavities. In this way, the convection movement of the air in the upper sub-cavity is weaker than that of the air in the lower sub-cavity, so that the heat can be better retained at the upper position of the pot support 1, thereby improving the heating efficiency of the pot support 1 on the pot.

[0066] In the height direction of the pot support 1, the height of the support 20 protruding relative to the upper surface of the pot support body 10 is not less than 4 mm and not greater than 11 mm. This minimum height ensures that the support 20 can sufficiently protrude from the upper surface of the pot support body 10, ensuring that the support 20 has sufficient contact area with the flue gas. If the height of the support 20 protruding relative to the upper surface of the pot support body 10 is less than 4 mm, firstly, the bottom of the pot can be too close to the pot support body 10, which can affect the efficiency of flue gas exhaust, thereby affecting the combustion efficiency of the burner. Secondly, the contact area between the support 20 and the flue gas is small, and the heat absorbed by the support 20 from the flue gas will be correspondingly reduced, and the heat that the support 20 can transfer to the pot and the top wall 111 of the pot support body 10 is also limited, thereby reducing the overall heat conduction efficiency. If the height of the support 20 protruding relative to the upper surface of the pot support body 10 is greater than 11 mm, the distance between the upper surface of the pot support body 10 and the bottom of the pot can be too far, and the heat radiation conduction path can also be correspondingly lengthened, which can not effectively transfer to the bottom of the pot.

[0067] Further, the upper surface of the pot support body 10 is a horizontal plane. In this way, the distance between the upper surface of the pot support body 10 and the bottom of the pot is the same, ensuring that the bottom of the pot can uniformly receive heat radiation from the pot support 1. Moreover, it can facilitate the production and installation of the support 20, and the support 20 does not need to be designed as a special shape, but can only be provided as a cuboid structure with the same height and thickness.

[0068] In the circumferential direction of the pot support 1, please refer to Figure 9The thickness D of the support 20 is not less than 2mm and not more than 6mm. It can be understood that the support 20 needs to bear the weight of the pot and the food in the pot, if the thickness of the support 20 is too thin, the structural strength is small, it is difficult to effectively support the pot, and if the thickness of the support 20 is too thick, it will increase the amount of material used, thereby increasing the manufacturing cost. Within the thickness range provided in the present application, the amount of material used can be minimized while ensuring performance, improving material utilization, and reducing manufacturing costs. Of course, the thickness of the support 20 and the number of the support 20 can be adaptively set, for example, when the number of the support 20 is small, the thickness of the support 20 can be set relatively large, and when the number of the support 20 is large, the thickness of the support 20 can be set relatively small.

[0069] In order to ensure the effective exhaust of flue gas, please refer to Figure 9 The pot support 1 has a circle E passing through the inner wall surface of all the supports 20 along the circumference of the pot support 1, and the ratio of the total arc length of all the flue gas passages 10a on the circle E to the total arc length of all the supports 20 on the circle E is not less than 2:1 and not more than 11:1. Specifically, a larger number of supports 20 can increase the contact area with flue gas and increase the contact area with the pot, thereby improving the heat transfer efficiency of the pot support 1 to the pot. However, too many supports 20 will result in a smaller flow area of the flue gas passage 10a, which may hinder the smooth flow of flue gas, causing flue gas to accumulate in the combustion chamber, affecting the combustion efficiency and safety. Based on this, the total arc length of the inlet of the flue gas passage 10a on the circle is not less than two-thirds and not more than one-twelfth, ensuring the effective flow of flue gas.

[0070] It can be understood that in the case where the thickness of the support 20 is constant, the arc length of the inlet of the flue gas passage 10a on the circle E passing through the inner wall surface of all the supports 20 in the inner and outer directions of the pot support 1 is the smallest, that is, when the thickness of the support 20 is constant, the spacing between the adjacent two supports 20 in the circumferential direction of the pot support 1 gradually increases, at this time the length of the flue gas passage 10a along the circumference of the pot support 1 also gradually increases, the present application limits the arc length range of the minimum diameter of the flue gas passage 10a, thereby ensuring that the flow area of the flue gas passage 10a can effectively exhaust the flue gas. Of course, the thickness of the support 20 can not be a fixed value, that is, the thickness of the support 20 can gradually increase from inside to outside in the inner and outer directions of the pot support 1, but the spacing of the flue gas passage 10a in the inner and outer directions needs to be not less than the inlet spacing of the flue gas passage 10a.

[0071] In addition, the interval between two adjacent supports 20 in the circumferential direction of the pot support 1 gradually increases, that is, the extension direction of the support 20 is arranged at an angle with the radial direction of the pot support body 10. In this way, when the flue gas passes through the support 20, the flue gas will flow along the support 20, avoiding the flue gas directly discharging along the radial direction of the pot support body 10, thereby achieving the effect of prolonging the residence time of the flue gas on the support 20, realizing the better heat exchange effect of the support 20 and the flue gas and more heat recovery.

[0072] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a specific orientation, structure and operation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the utility model, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0073] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pot support, characterized in that The pot support comprises: a pot support body arranged in a ring shape and defining a combustion chamber, the pot support body having a heat insulation chamber formed inside; and at least one partition arranged in the heat insulation chamber and separating the heat insulation chamber into a first sub-chamber and a second sub-chamber from top to bottom in the height direction of the pot support, and the thickness of the first sub-chamber is smaller than that of the second sub-chamber.

2. The pot support of claim 1, wherein The partition comprises: a partition plate arranged in the height direction of the pot support body and spaced apart from the top wall, the partition plate being a corrugated plate to form a plurality of wave crests and a plurality of wave troughs connected alternately in the radial direction of the combustion chamber.

3. The pot support according to claim 2, wherein in the height direction of the pot support, the distance between the bottom of the wave trough and the top wall is not less than 2 mm and not more than 5 mm; and / or in the height direction of the pot support, the distance between the top of the wave crest and the top wall is not more than 1 mm.

4. The pot support of claim 2, wherein The partition plate is a flat plate, and in the height direction of the pot support, the thickness of the first sub-chamber is not less than 1 mm and not more than 5 mm.

5. The pot support of claim 2 wherein, The partition plate comprises a horizontal plate arranged in the height direction and spaced apart from the top wall of the pot support body; and a plurality of vertical plates connected to the upper surface of the horizontal plate to form a plurality of annular grooves arranged from inside to outside with the horizontal plate.

6. The pot support of claim 2 wherein, The pot support body has an inner side surface arranged towards the combustion chamber, and the inner side surface is provided with an opening communicating the heat insulation chamber and the combustion chamber; the partition further comprises: an extension plate connected to one side of the partition plate close to the combustion chamber, and the extension plate separates the opening into a first opening communicating the first sub-chamber and a second opening communicating the second sub-chamber.

7. The pot support of claim 6, wherein In the height direction of the pot support, the thickness of the first opening is smaller than that of the second opening; and / or In the height direction of the pot support, the thickness of the first opening is not more than 1 mm.

8. The pot support of claim 6, wherein The pot support body comprises an inner side wall arranged towards the combustion chamber, the top end of the inner side wall is connected to the top wall, the inner side wall has the opening, and in the radial direction of the combustion chamber, the inner side wall is arranged upwardly inclined, and the extension plate is arranged spaced apart from the inner side wall.

9. The pot support of claim 1, wherein At least the first sub-chamber is filled with heat insulation material.

10. The pot support of claim 1, wherein The pot support body comprises an upper cover and a lower cover connected together, and the upper cover and the lower cover enclose to form the heat insulation chamber; wherein the outer peripheral wall of the partition is connected to the inner wall of the upper cover; and / or the outer peripheral wall of the upper cover is fixedly connected to the outer peripheral wall of the lower cover.

11. The pot support according to any one of claims 1 to 10, wherein A plurality of partitions are arranged, and the plurality of partitions are arranged spaced apart in the height direction of the pot support to divide the heat insulation chamber into a plurality of sub-chambers in the height direction, and in the height direction of the pot support, the thickness of the uppermost sub-chamber is smaller than that of the remaining sub-chambers.

12. The pot support of claim 11, wherein In the height direction of the pot support, among any two adjacent sub-chambers, the thickness of the upper sub-chamber is smaller than that of the lower sub-chamber.

13. A hob, characterized in that comprise: a burner; and the pot support according to any one of claims 1 to 12.

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