Stone inner pot

Abstract

This application relates to the field of cooking utensil technology and provides a stone inner pot, including a pot body with a metal outer shell and a stone inner pot disposed within the metal outer shell. The pot body flares outwards from the bottom upwards along its axial direction. The top of the metal outer shell is folded inwards to form a raised rim, and the top surface of the stone inner pot is located below the raised rim. An elastic member is provided between the raised rim and the top surface of the inner pot, allowing the stone inner pot to move axially along the pot body and ensuring that the outer wall of the stone inner pot is pressed against the inner wall of the metal outer shell. The stone inner pot of this application can move upwards along the axial direction of the metal outer shell, effectively avoiding damage to the stone inner pot caused by the compressive stress of the metal outer shell. Furthermore, under the action of the elastic member, the stone inner pot can be pressed firmly against the inner wall of the metal outer shell, maintaining heat transfer stability and improving the quality of the cookware.

Description

Technical Field

[0001] This application relates to the field of cooking utensil technology, and in particular to a stone inner pot. Background Technology

[0002] A stone-lined pot is a cooking utensil made with a natural or specially processed stone inner pot and an outer metal shell. Stone-lined pots have the characteristic of even heat conduction.

[0003] In related technologies, due to the difference in thermal conductivity and thermal expansion coefficient between the metal outer shell and the stone inner liner, the stone inner liner is prone to cracks and other damage, which is not conducive to improving the quality of cookware. Utility Model Content

[0004] In view of this, the present application aims to provide a stone inner pot to improve the quality of use of the cookware.

[0005] To achieve the above objectives, the technical solution of this application is implemented as follows:

[0006] A stone inner pot includes a pot body, the pot body having a metal outer shell and a stone inner pot disposed within the metal outer shell, the pot body being flared outward from the bottom of the pot body along the axial direction of the pot body;

[0007] The top of the metal outer shell is folded inward to form a raised edge, and the top surface of the stone inner liner is located below the raised edge.

[0008] An elastic component is provided between the protruding edge and the top surface of the inner liner. The elastic component allows the stone inner liner to move axially along the pot body and causes the outer wall of the stone inner liner to press against the inner wall of the metal outer shell.

[0009] Furthermore, the elastic component includes an elastic sheet, which is U-shaped, and includes a first fitting sheet that fits against the top surface of the inner liner, a second fitting sheet that fits against the protruding edge, and a connecting piece that connects the first fitting sheet and the second fitting sheet.

[0010] Furthermore, multiple elastic sheets are provided, and the multiple elastic sheets are equidistantly distributed along the circumference of the stone inner liner.

[0011] Furthermore, the elastic component also includes an elastic rubber ring, which abuts against the protruding edge and the top surface of the inner liner; the elastic rubber ring is sandwiched between the first bonding piece and the second bonding piece, and the elastic rubber ring has a groove that can be embedded into the first bonding piece and the second bonding piece.

[0012] Furthermore, the elastic ring is made of silicone.

[0013] Furthermore, the metal casing is made of aluminum, copper, cast iron, or stainless steel.

[0014] Furthermore, the stone liner is made of maifan stone, soapstone, granite, purple clay, or basalt.

[0015] Furthermore, a groove is formed along the upper edge of the inner wall of the stone inner liner; a retaining ring is connected to the convex edge along the axial direction of the pot body, and the retaining ring extends into the groove, so that the retaining ring is flush with the inner wall of the stone inner liner.

[0016] Furthermore, a heat dissipation groove is formed along the outer wall of the metal casing, and the heat dissipation groove is annular.

[0017] Furthermore, the connection between the bottom of the pot and the body of the pot is rounded.

[0018] Compared with related technologies, this application has the following advantages:

[0019] (1) The stone inner pot described in this application is designed with a flared pot body and an elastic component between the convex edge and the top surface of the inner pot. When the metal outer shell is heated and expands to compress the stone inner pot, the stone inner pot can move upward along the axial direction of the metal outer shell under the compressive stress of the metal outer shell. This effectively avoids damage to the stone inner pot caused by the compressive stress of the metal outer shell. Furthermore, under the action of the elastic component, the stone inner pot can be pressed against the inner wall of the metal outer shell to maintain heat transfer stability, which is beneficial to improving the quality of use of the cookware.

[0020] (2) By setting the elastic sheet in a U-shape, when the metal shell expands with heat, the elastic sheet is compressed, which facilitates the upward movement of the stone inner liner. When the metal shell contracts with cold, the elastic potential energy of the elastic sheet provides a downward thrust to the stone inner liner, so that the stone inner liner is always pressed against the metal shell, effectively ensuring heat transfer.

[0021] (3) By setting multiple elastic plates and distributing them equidistantly along the circumference of the stone inner liner, the elastic force on the stone inner liner can be evenly distributed along the circumference of the stone inner liner, thus effectively avoiding damage caused by uneven force on the stone inner liner. At the same time, setting multiple elastic plates can effectively ensure that the stone inner liner and the metal outer shell fit tightly together.

[0022] (4) By including an elastic rubber ring in the elastic component, the elastic rubber ring and the elastic sheet work together to effectively improve the stability of the force applied to the stone inner liner. At the same time, the elastic sheet is partially embedded in the elastic rubber ring, which helps to prevent the elastic sheet from moving around without being fixed to the stone inner liner or metal outer shell.

[0023] (5) By setting the elastic ring to be made of silicone, the elastic ring has non-toxic properties, meets food safety requirements, and has good heat resistance to adapt to the high temperature of the pot during cooking. At the same time, the elastic ring has good elasticity and toughness to ensure the stability of the elastic component.

[0024] (6) By setting the metal outer shell to aluminum, the light weight and fast heat conduction of aluminum material are utilized to make the pot body light and easy to operate, and to achieve rapid heat transfer to the stone inner pot; by setting the metal outer shell to copper, the good thermal conductivity of copper is utilized to help the bottom and perimeter of the stone inner pot be heated evenly; by setting the metal outer shell to cast iron, the good heat storage performance of cast iron is utilized, and when combined with the stone inner pot, it helps to avoid the gap between the metal outer shell and the stone inner pot caused by the rapid cooling and shrinkage of the outer pot; by setting the metal outer shell to stainless steel, the corrosion resistance and easy cleaning characteristics of stainless steel are utilized to help make the pot body easy to clean and maintain daily.

[0025] (7) By setting the inner liner to be made of maifan stone, soapstone, granite, purple clay or basalt, the food is heated evenly and does not stick to the inner liner.

[0026] (8) By setting grooves and retaining rings, the stone inner liner can be effectively restricted from moving radially along the pot body, and food residue can be effectively reduced, thus improving the ease of cleaning the pot body.

[0027] (9) By opening heat dissipation grooves on the upper edge of the metal shell, heat can be dissipated from the upper edge of the metal shell surface, which helps to avoid the situation where heat accumulates on the upper edge of the metal shell and causes uneven heating of the stone inner liner.

[0028] (10) By setting the connection between the bottom of the pot and the body of the pot to be rounded, the heat can be transferred more evenly from the bottom of the pot to the body of the pot, making the stone inner pot heat more evenly. At the same time, the rounded corner design also makes the pot body easier to clean. Attached Figure Description

[0029] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0030] Figure 1 This is a schematic diagram of the overall structure of the stone inner pot described in the embodiments of this application;

[0031] Figure 2 This is a cross-sectional view of the stone inner pot described in the embodiments of this application;

[0032] Figure 3 for Figure 2A magnified view of part A in the middle;

[0033] Figure 4 This is a schematic diagram showing the elastic component described in this application placed on the top surface of the inner liner;

[0034] Figure 5 This is a part drawing of the elastic component described in the embodiments of this application;

[0035] Figure 6 This is a schematic diagram of the structure of the elastic sheet described in the embodiments of this application;

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. Pot body; 101. Metal outer shell; 1011. Raised rim; 1012. Heat dissipation groove; 102. Stone inner liner; 1021. Groove; 102a. Top surface of the inner liner;

[0038] 2. Elastic component; 201. Elastic sheet; 2011. First bonding sheet; 2012. Second bonding sheet; 2013. Connecting piece; 202. Elastic rubber ring; 2021. Groove;

[0039] 3. Retaining ring. Detailed Implementation

[0040] To make the technical solution and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0041] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0042] Furthermore, it should be noted that in the description of this application, if terms such as "upper," "lower," "inner," or "outer" appear, indicating orientation or positional relationship, these are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0043] Furthermore, in the description of this application, unless otherwise expressly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application in light of the specific circumstances.

[0044] In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0045] The present application will now be described in detail through exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may be advantageously incorporated into other embodiments.

[0046] The embodiments of this application provide a stone inner pot with a stone inner pot 102 and a metal outer shell 101. Through the innovative design of the structure of the stone inner pot, the influence of the difference in thermal conductivity and thermal expansion coefficient between the metal outer shell 101 and the stone inner pot 102 on the stone inner pot 102 can be effectively reduced, thereby improving the quality of use of the cookware.

[0047] In related technologies, due to the difference in thermal conductivity and coefficient of thermal expansion between the metal outer shell 101 and the stone inner liner 102, the metal outer shell 101 and the stone inner liner 102 exhibit different deformation responses when heated. Specifically, compared to the stone inner liner 102, the metal outer shell 101 has a higher thermal conductivity and coefficient of thermal expansion, enabling it to rapidly absorb heat and expand in volume upon heating, while the stone inner liner 102 conducts heat more slowly and exhibits a relatively smaller degree of thermal expansion.

[0048] Therefore, when the metal outer shell 101 expands, it will generate compressive stress on the stone inner pot 102. When the stone inner pot is repeatedly heated and cooled, the compressive stress will continue to accumulate. When it exceeds the tolerance limit of the stone inner pot 102, it is easy to cause cracks and other damage to the stone inner pot 102, which is not conducive to improving the quality of the cookware.

[0049] In view of this, in order to overcome the shortcomings of the related technology, the stone inner pot of this embodiment combines... Figures 1 to 4As shown, the overall design includes a pot body 1, which has a metal outer shell 101 and a stone inner liner 102 disposed inside the metal outer shell 101. Along the axial direction of the pot body 1, the pot body 1 is flared from the bottom upwards.

[0050] The top of the metal outer shell 101 is folded inward to form a raised edge 1011, and the top surface 102a of the stone inner liner 102 is located below the raised edge 1011. An elastic member 2 is provided between the raised edge 1011 and the top surface 102a of the inner liner. The elastic member 2 allows the stone inner liner 102 to move along the axial direction of the pot body 1, and makes the outer wall of the stone inner liner 102 press against the inner wall of the metal outer shell 101.

[0051] Therefore, by setting the pot body 1 to be flared and providing an elastic member 2 between the convex edge 1011 and the top surface 102a of the inner pot, when the metal outer shell 101 is heated and expands to compress the stone inner pot 102, the stone inner pot 102 can move upward along the axial direction of the metal outer shell 101 under the compressive stress of the metal outer shell 101 and the guidance of the flared metal outer shell 101, so as to effectively avoid damage to the stone inner pot 102 by the compressive stress of the metal outer shell 101. Furthermore, under the action of the elastic member 2, the stone inner pot 102 can be pressed against the inner wall of the metal outer shell 101 to maintain heat transfer stability, which is beneficial to improving the quality of use of the cookware.

[0052] Meanwhile, by setting the opening to flare upwards from the bottom of the pot along the axial direction of the pot body 1, it also facilitates the stir-frying and pouring of ingredients, thus improving ease of use.

[0053] Based on the above overview, specifically, the stone inner pot may also include a handle on the metal outer shell 101 for easy placement and removal of the pot body 1, and a lid that fits the diameter of the pot body 1 for easy simmering of ingredients. The handle and lid can be designed using common pot handles or lids available on the market.

[0054] In some of the exemplary implementations, combined with Figures 3 to 6 As shown, the elastic component 2 includes an elastic sheet 201, which is U-shaped. The elastic sheet 201 includes a first bonding sheet 2011 that adheres to the top surface 102a of the inner liner, a second bonding sheet 2012 that adheres to the protruding edge 1011, and a connecting sheet 2013 that connects the first bonding sheet 2011 and the second bonding sheet 2012.

[0055] By setting the elastic sheet 201 to be "U" shaped, when the metal outer shell 101 expands due to heat, the elastic sheet 201 is compressed, which facilitates the upward movement of the stone inner liner 102. When the metal outer shell 101 contracts due to cold, the elastic potential energy of the elastic sheet 201 provides a downward thrust to the stone inner liner 102, so that the stone inner liner 102 is always pressed against the metal outer shell 101, effectively ensuring heat transfer.

[0056] It is worth noting that, to effectively ensure the stability of the elastic sheet 201, the elastic sheet 201 is made of elastic steel, such as spring steel or stainless steel, to meet the strength and elasticity requirements of the elastic sheet 201. It can be understood that the U-shaped elastic sheet 201 refers to its cross-section being similar to a U-shape. In specific implementation, the elastic sheet 201 is formed by extending U-shaped elastic steel along the circumference of the stone inner liner 102.

[0057] In some of the exemplary implementations, combined with Figure 4 and Figure 5 As shown, multiple elastic sheets 201 are provided, and the multiple elastic sheets 201 are evenly distributed along the circumference of the stone inner liner 102. For example, in this embodiment, 2, 5, 7, 9 or 11 elastic sheets 201 can be provided, which can be appropriately selected according to the diameter of the pot body 1 to meet the setting requirements of the elastic component 2. Preferably, in this embodiment, 9 elastic sheets 201 are provided.

[0058] In some of the exemplary implementations, combined with Figures 3 to 5 As shown, the elastic component 2 also includes an elastic rubber ring 202, which abuts against the protruding edge 1011 and the top surface 102a of the inner liner; the elastic rubber ring 202 is sandwiched between the first bonding piece 2011 and the bonding piece, and the elastic rubber ring 202 has a groove 2021 that can be embedded in the first bonding piece 2011 and the second bonding piece 2012.

[0059] Therefore, by including an elastic ring 202 in the elastic component 2, the elastic ring 202 and the elastic sheet 201 work together to effectively improve the stability of the force applied to the stone inner liner 102. At the same time, the elastic sheet 201 is partially embedded in the elastic ring 202, which helps to prevent the elastic sheet 201 from shifting without being fixed to the stone inner liner 102 or the metal outer shell 101.

[0060] In detail, in some exemplary embodiments, the elastic ring 202 is made of silicone. By making the elastic ring 202 of silicone, it possesses non-toxic properties, meeting food safety requirements, and exhibits good heat resistance to withstand the high temperatures of the pot body 1 during cooking. Simultaneously, it possesses good elasticity and toughness to ensure the stability of the elastic component 2.

[0061] In some of the exemplary embodiments, the metal casing 101 is made of aluminum, copper, cast iron, or stainless steel.

[0062] As described above, by making the metal outer shell 101 aluminum, the lightweight and fast thermal conductivity of aluminum is utilized, making the pot body 1 lightweight and easy to operate, and enabling rapid heat transfer to the stone inner liner 102; by making the metal outer shell 101 copper, the good thermal conductivity of copper is utilized, which helps to ensure even heating of the bottom and perimeter of the stone inner liner 102; by making the metal outer shell 101 cast iron, the good heat storage performance of cast iron is utilized, and its combination with the stone inner liner 102 helps to avoid gaps between the metal outer shell 101 and the stone inner liner 102 caused by the rapid cooling and contraction of the outer liner; by making the metal outer shell 101 stainless steel, the corrosion resistance and easy cleaning characteristics of stainless steel are utilized, which helps to facilitate daily cleaning and maintenance of the pot body 1.

[0063] Understandably, the metal shell could be made of other materials to meet the basic requirement of providing heat to the stone inner liner 102.

[0064] In some exemplary embodiments, the stone inner liner 102 is made of maifan stone, soapstone, granite, purple clay, or basalt. By using a stone inner liner 102 made of maifan stone, soapstone, granite, purple clay, or basalt, food is heated evenly and is less likely to stick to the inner liner. The specific type of stone used for the inner liner 102 can be chosen from commonly available stones depending on the specific usage requirements.

[0065] In some of the exemplary implementations, combined with Figures 1 to 4 As shown, a groove 1021 is provided on the upper edge of the inner wall of the stone inner liner 102; along the axial direction of the pot body 1, a retaining ring 3 is connected to the protruding edge 1011, and the retaining ring 3 extends into the groove 1021, so that the retaining ring 3 is flush with the inner wall of the stone inner liner 102.

[0066] Therefore, by setting the groove 1021 and the retaining ring 3, the displacement of the stone inner liner 102 along the radial direction of the pot body 1 can be effectively restricted, and food residue can be effectively reduced, thus improving the ease of cleaning the pot body 1.

[0067] It is worth noting that when the pot body 1 is not heated, there is a gap between the retaining ring 3 and the bottom wall of the groove 1021. When the metal outer shell 101 expands due to heat, the setting of this gap can effectively ensure that the elastic component 2 works normally on the stone inner liner 102.

[0068] In some of the exemplary implementations, combined with Figure 1 and Figure 3As shown, a heat dissipation groove 1012 is provided along the upper edge of the outer wall of the metal shell 101, and the heat dissipation groove 1012 is annular. By providing a heat dissipation groove 1012 along the upper edge of the metal shell 101, heat dissipation at the upper edge of the surface of the metal shell 101 is facilitated, which helps to avoid the situation where heat accumulates along the upper edge of the metal shell 101, causing uneven heating of the stone inner liner 102.

[0069] In some exemplary embodiments, the connection between the bottom and the body of the pot 1 is rounded. By setting the connection between the bottom and the body to rounded corners, heat can be transferred more evenly from the bottom to the body, resulting in more even heating of the stone inner pot 102. At the same time, the rounded corner design also makes the pot 1 easier to clean.

[0070] It is understandable that the rounded corners at the connection between the bottom of the pot body 1 and the pot body mean that both the metal outer shell 101 and the stone inner liner 102 are designed with rounded corners at this position, and the rounded corner radii are the same, so that the thickness of the metal outer shell 101 and the stone inner liner 102 is uniform, which helps to ensure the uniformity of heat transfer of the pot body 1.

[0071] The stone inner pot of this embodiment features a flared pot body 1 and an elastic member 2 between the convex edge 1011 and the top surface 102a of the inner pot. This design allows the stone inner pot 102 to move upwards along the axial direction of the metal outer shell 101 under the compressive stress of the metal outer shell 101 and the flared shape of the metal outer shell 101. This effectively avoids damage to the stone inner pot 102 caused by the compressive stress of the metal outer shell 101. Furthermore, the elastic member 2 ensures that the stone inner pot 102 is firmly pressed against the inner wall of the metal outer shell 101, maintaining heat transfer stability and improving the quality of the cookware. Additionally, the flared shape along the axial direction of the pot body 1 from the bottom upwards facilitates stirring and pouring of food, enhancing ease of use.

[0072] The above descriptions are merely some embodiments of this application and are not intended to limit this application. The technical features or structures in the foregoing different embodiments can be arbitrarily combined to form other specific technical solutions as needed. For those skilled in the art, this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of the claims of this application.

Claims

1. A stone-lined pot, comprising a pot body (1), the pot body (1) having a metal outer shell (101), and a stone inner liner (102) disposed within the metal outer shell (101), characterized in that: Along the axial direction of the pot body (1), the pot body (1) is flared from the bottom upwards; The top of the metal outer shell (101) is folded inward to form a raised edge (1011), and the top surface (102a) of the stone inner liner (102) is located below the raised edge (1011). An elastic member (2) is provided between the protruding edge (1011) and the top surface (102a) of the inner liner. The elastic member (2) enables the stone inner liner (102) to move axially along the pot body (1) and makes the outer wall of the stone inner liner (102) abut against the inner wall of the metal outer shell (101).

2. The stone inner pot according to claim 1, characterized in that: The elastic component (2) includes an elastic sheet (201), which is U-shaped, and includes a first fitting piece (2011) that fits the top surface (102a) of the inner liner, a second fitting piece (2012) that fits the protruding edge (1011), and a connecting piece (2013) that connects the first fitting piece (2011) and the second fitting piece (2012).

3. The stone inner pot according to claim 2, characterized in that: Multiple elastic sheets (201) are provided, and the multiple elastic sheets (201) are equidistantly distributed along the circumference of the stone inner liner (102).

4. The stone inner pot according to claim 2, characterized in that: The elastic component (2) further includes an elastic rubber ring (202), which abuts against the protruding edge (1011) and the top surface (102a) of the inner liner; The elastic rubber ring (202) is sandwiched between the first bonding piece (2011) and the bonding piece, and the elastic rubber ring (202) has a groove (2021) that can be embedded in the first bonding piece (2011) and the second bonding piece (2012).

5. The stone inner pot according to claim 3, characterized in that: The elastic rubber ring (202) is an elastic rubber ring (202) made of silicone.

6. The stone inner pot according to claim 1, characterized in that: The metal casing (101) is made of aluminum, copper, cast iron or stainless steel.

7. The stone inner pot according to claim 2, characterized in that: The stone inner liner (102) is made of maifan stone, soapstone, granite, purple clay, or basalt.

8. The stone inner pot according to claim 1, characterized in that: The inner wall of the stone liner (102) is provided with a groove (1021) along the upper edge; Along the axial direction of the pot body (1), a retaining ring (3) is connected to the convex edge (1011), and the retaining ring (3) extends into the groove (1021), so that the retaining ring (3) is flush with the inner wall of the stone inner liner (102).

9. The stone inner pot according to claim 1, characterized in that: The metal casing (101) has a heat dissipation groove (1012) along the upper edge of its outer wall, and the heat dissipation groove (1012) is annular.

10. The stone inner pot according to claim 1, characterized in that: The bottom of the pot (1) is rounded at the connection between the pot body and the bottom of the pot.

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