Heating assembly and cooking utensil

Abstract

The utility model provides a heating assembly and a cooking utensil, the heating assembly comprises a heating disc and a heating pipe, the heating pipe is fixedly arranged on the heating disc, the heating pipe comprises a pipe body, a bending part and a power connection terminal, the two ends of the bending part are smoothly connected with the connecting pipe body and the power connection terminal respectively, and the axes where the end faces of the two ends of the bending part are located are not perpendicular to each other. According to the heating assembly, the axes where the end faces of the two ends of the bent part are located are parallel to each other or are arranged in the acute angle mode, the bent part inclines or bends and extends from the end of the pipe body to the side away from the heating disc, it is guaranteed that the power connection terminal can be normally connected with a cable in the cooking device, and meanwhile the power connection terminal can be closer to the heating disc; therefore, the overall height size of the heating assembly is small, the overall size of the cooking utensil is prevented from being increased, product miniaturization is facilitated, and the material cost, the packaging cost and the transportation cost are reduced.

Description

Technical Field

[0001] The utility model relates to the field of small household appliances, in particular to a heating component and a cooking utensil. Background Art

[0002] A cooking utensil is an utensil that heats the pot body for cooking by means of a heating assembly. The heating assembly usually comprises an annular heating tube, and the two ends of the heating tube are usually connected to electrical terminals by extension sections, and the extension sections are vertically arranged downward from the ends of the heating tube, resulting in a large overall height dimension of the heating assembly, and thus also a large height of the housing in which the heating assembly is mounted, which is not conducive to product miniaturization. Utility Model Content

[0003] In view of this, it is necessary to provide a heating component and a cooking utensil to address the above problems, so as to reduce the overall height of the heating component.

[0004] The utility model first provides a heating component, comprising: a heating plate; and a heating tube, wherein the heating tube is fixedly arranged on the heating plate, and the heating tube comprises a tube body, a bending portion and an electrical terminal, wherein the two ends of the bending portion are respectively smoothly connected to the tube body and the electrical terminal, and the axes at which the end surfaces at the two ends of the bending portion are located are not perpendicular.

[0005] In the above-mentioned heating component, the axes where the end faces at both ends of the bending portion are located are parallel to each other or arranged at acute angles to each other, and the bending portion is inclined or bent and extends from the end of the tube body toward the side away from the heating plate, ensuring that the power terminal can be normally connected to the internal cables of the cooking device. At the same time, the power terminal can be closer to the heating plate, thereby reducing the distance between the free end of the power terminal and the top surface of the heating plate, which is beneficial to reducing the overall height size of the heating component, thereby realizing product miniaturization.

[0006] In one embodiment, the bending portion includes at least two bending segments.

[0007] With such arrangement, at least two bent sections are more conducive to adjusting the orientation of the power terminal, so as to better reduce the distance between the free end of the power terminal and the top surface of the heating plate.

[0008] In one embodiment, the bending section has a rounded corner, and the radius R of the rounded corner satisfies: 2mm≤R≤30mm.

[0009] With such arrangement, the bending section is transitioned through the rounded corners, so as to ensure that the bending section will not be damaged during the bending process while preventing the rounded corner radius R from being too large to increase the overall height dimension of the heating assembly.

[0010] In one embodiment, the number of the bending segments is two or three.

[0011] With this arrangement, there are two or three bending sections, which allows the power terminal to extend in a direction inclined to the axis of the heating plate, or in a direction parallel to the plate surface of the heating plate, while also preventing the bending section from being too long, which is not conducive to miniaturization of the product.

[0012] In one of the embodiments, the heating plate is further provided with a supporting rib, and two ends of the supporting rib are respectively connected to the bottom surface of the heating plate and the bending portion.

[0013] In this arrangement, the support ribs are used to support the bending portion, ensure the stability of the bending portion and the power terminal, and prevent the bending portion from bending toward the side close to the heating plate to affect the normal connection between the power terminal and the internal cable of the cooking device.

[0014] In one embodiment, the bending portion has a first end and a second end, the first end is connected to the tube body, the second end is connected to the power terminal, and the distance H between the top surface of the first end and the bottom surface of the power terminal satisfies: 4mm≤H≤35mm.

[0015] This arrangement ensures that the power terminals can be properly connected to the cables inside the cooking device while preventing the overall height of the heating component from being too large, thereby increasing the overall volume of the cooking appliance.

[0016] In one of the embodiments, the orthographic projection of the heating plate on the horizontal plane forms a first projection plane, and the orthographic projections of the bending portion and the power terminal on the horizontal plane are located within the first projection plane.

[0017] Such an arrangement can avoid increasing the overall volume of the heating assembly, and ensure the heat transfer effect between the heating tube and the heating plate, reduce heat loss, and improve heating efficiency.

[0018] In one embodiment, the heating tube and the heating plate are integrally cast or die-cast.

[0019] With such arrangement, the integral molding enables good heat transfer between the heating tube and the heating plate, thereby ensuring the heating efficiency of the heating assembly.

[0020] In one of the embodiments, the two power terminals of the heating tube are arranged alternately, and the distance L between the ends of the two power terminals satisfies: 5mm≤L≤80mm.

[0021] This arrangement can reduce the cold end of the heating tube on the heating plate while avoiding overheating of the overlapping area due to the length of the overlapping area being too long, thereby ensuring the uniformity of heating of the heating component and the heating effect.

[0022] The utility model also provides a cooking utensil, comprising: a pot body, and a base assembly, wherein the base assembly comprises a base and the heating assembly as described above, the heating assembly is arranged on the base, and the pot body is placed on the heating assembly.

[0023] With such an arrangement, after the heating component with a smaller overall height is arranged on the base, the overall height of the base component is also smaller, so as to realize product miniaturization and reduce the material, packaging and transportation costs of the cooking appliance; and the power terminals can be kept away from the base to avoid the high temperature of the base caused by the high-temperature bending part and the power terminals, thereby reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a three-dimensional cross-sectional view of a cooking utensil in an embodiment of the utility model;

[0025] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the heating component;

[0026] Figure 3 for Figure 2 An exploded view of the heating assembly;

[0027] Figure 4 for Figure 2 A cross-sectional view of one embodiment of a heating assembly;

[0028] Figure 5 for Figure 4 The enlarged schematic diagram of point A in the middle;

[0029] Figure 6 for Figure 2 A cross-sectional view of another embodiment of a heating assembly;

[0030] Figure 7 for Figure 6 A magnified schematic diagram of point B in the middle.

[0031] Figure numerals: 100, heating component; 10, heating plate; 20, heating tube; 21, tube body; 22, bending portion; 221, bending section; 2211, first bending section; 2212, second bending section; 2213, third bending section; 222, straight section; 23, power terminal; 30, supporting rib; 200, pot body; 300, base. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0035] A cooking utensil is an utensil that heats the pot body for cooking by means of a heating component. The heating component usually includes an annular heating tube, and the two ends of the heating tube are usually connected to the power terminals by extension sections, and the extension sections are arranged vertically downward from the ends of the heating tube, resulting in a large overall height dimension of the heating component, and thus also a large height of the shell in which the heating component is installed, which is not conducive to product miniaturization and will also increase the material, packaging and transportation costs. In addition, when the heating component is arranged on the base, the extension section arranged vertically downward will be closer to the base, and the high-temperature extension section will easily cause the base temperature to be too high, which may cause the base to melt.

[0036] It can be understood that in the related prior art, when the extension section is arranged vertically downward from the end of the heating tube, the axis where the end surfaces at both ends of the extension section are located is in a vertical state.

[0037] In order to solve the above problems, Figures 1 to 7 As shown, the utility model first provides a heating component 100, the overall height of the heating component 100 is relatively small, so as to avoid increasing the overall volume of the cooking appliance and facilitate the miniaturization of the product.

[0038] like Figures 2 to 3As shown, specifically, the heating assembly 100 includes a heating plate 10 and a heating tube 20, the heating tube 20 is fixed to the heating plate 10, the heating tube 20 includes a tube body 21, a bending portion 22 and an electrical terminal 23, the two ends of the bending portion 22 are smoothly connected to the connecting tube body 21 and the electrical terminal 23 respectively, and the axes where the end faces at the two ends of the bending portion 22 are located are not perpendicular.

[0039] In other words, if Figure 5 and Figure 7 As shown, in the heating component 100 provided by the utility model, the axis where the end face of the bending portion 22 connected to the end of the tube body 21 is located is axis a, and the axis where the end face of the bending portion 22 connected to the power terminal 23 is located is axis b, and the axis a and axis b are not perpendicular, that is, the axis a and axis b are parallel to each other or arranged at an acute angle to each other, and the bending portion 22 is inclined or bent and extends from the end of the tube body 21 toward the side away from the heating plate 10, ensuring that the power terminal 23 can be normally connected to the internal cable of the cooking device. At the same time, compared with the extension section arranged vertically downward from the end of the heating tube, the power terminal 23 can be closer to the heating plate 10, thereby reducing the distance between the free end of the power terminal 23 and the top surface of the heating plate 10, which is beneficial to reducing the overall height size of the heating component, thereby realizing product miniaturization.

[0040] Furthermore, since the power terminal 23 is close to the heating plate 10, when the heating component 100 is disposed on the base 300, the power terminal 23 can be relatively far away from the base 300, thereby preventing the high-temperature bending portion 22 and the power terminal 23 from causing the base 300 to be overheated, thereby reducing safety hazards.

[0041] The power terminal 23 and the internal cables of the cooking device can be electrically connected by means of a plug-in terminal structure, a locking screw structure or welding fixation to ensure the reliability of the connection between the two.

[0042] In the illustrated embodiment, the heating tube 20 and the heating plate 10 are integrally cast or die-cast, and the integral molding enables a good heat transfer effect between the heating tube 20 and the heating plate 10 to ensure the heating efficiency of the heating assembly 100. Of course, in other embodiments, the heating tube 20 can also be fixedly connected to the heating plate 10 by fasteners such as screws, and fit with the heating plate 10 to ensure the heat transfer effect between the heating tube 20 and the heating plate 10.

[0043] During the production and processing of the heating component 100, after the heating tube 20 and the heating plate 10 are integrally formed, the bending portion 22 is arranged vertically downward from the end of the tube body 21, and then an external force is applied to the bending portion 22 by processing equipment such as tooling, jigs, and molds, so that the bending portion 22 is tilted or bent toward the side away from the heating plate 10.

[0044] like Figures 2 to 3 As shown, the heating plate 10 can be a circular structure as shown, or a regular or irregular structure such as a square, an ellipse, etc. Alternatively, the heating plate 10 can also be set as a pot structure and used to hold food, and the heating tube 20 is connected to the bottom of the heating plate 10.

[0045] like Figures 2 to 3 As shown, the number of heating tubes 20 can be one, two or more, and each heating tube 20 can be set to a regular or irregular shape such as a ring, spiral, square, etc., so that the heating tubes 20 can be distributed over a large area on the heating plate 10 to increase the contact area between the heating tubes 20 and the heating plate 10, ensure the heating uniformity of the heating assembly 100, and improve the heating efficiency. When the number of heating tubes 20 is two or more and they are set to a ring, the multiple heating tubes 20 can be arranged concentrically.

[0046] Among them, the distance between the outermost side of the heating tube 20 and the boundary of the heating plate 10 meets the requirement of 5mm to 35mm, for example, 5mm, 6mm, 7mm...34mm, 35mm and other arbitrary values ​​between 5mm and 35mm, so as to ensure the uniformity of heating of the heating component 100 while avoiding heat loss due to the close distance between the outermost side of the heating tube 20 and the boundary of the heating plate 10, thereby improving the cooking effect.

[0047] like Figures 4 to 7 As shown, the bending portion 22 includes at least two bending sections 221, preferably, the number of the bending sections 221 is two or three. The number of the bending sections 221 is at least two, which is more conducive to adjusting the orientation of the free end of the power terminal 23, so as to better reduce the distance between the free end of the power terminal 23 and the top surface of the heating plate 10. The two adjacent bending sections 221 can be smoothly connected, or they can be transitionally connected by a straight line section. It is worth mentioning that adding a straight line section between two adjacent bending sections 221 will not change the extension direction of the bending section 221.

[0048] like Figure 5 and Figure 7 As shown, the bending section 221 has a rounded corner, and the radius R of the rounded corner satisfies: 2mm≤R≤30mm. For example, any value between 2mm and 30mm, such as 2mm, 3mm, 4mm...29mm, 30mm, etc. The bending section 221 transitions through the rounded corner, and the radius R of the rounded corner is ≥2mm to ensure that the bending section 221 will not be damaged during the bending process. At the same time, the radius R of the rounded corner is ≤30mm to avoid the radius R of the rounded corner being too large to increase the overall height dimension of the heating component 100.

[0049] like Figure 5As shown, in one embodiment, there are three bending sections 221, namely, the first bending section 2211, the second bending section 2212 and the third bending section 2213 connected in sequence. The first bending section 2211 bends and extends from the end of the tube body 21 toward the side away from the heating plate 10, the second bending section 2212 bends and extends from the end of the first bending section 2211 away from the tube body 21 toward the side close to the heating plate 10, and the third bending section 2213 bends and extends from the end of the second bending section 2212 away from the first bending section 2211 toward the direction parallel to the plate surface of the heating plate 10, so that the power terminal 23 extends in a direction parallel to the plate surface of the heating plate 10, and the power terminal 23 is close to the heating plate 10. Furthermore, the rounded corner radius R of the first bending section 2211 is R1, the rounded corner radius R of the second bending section 2212 is R2, and the rounded corner radius R of the third bending section 2213 is R3, and R1, R2 and R3 all satisfy a range of 2 mm to 30 mm.

[0050] A straight section 222 may be provided between the bent section 221 and the electrical terminal 23. One end of the bent section 221 is connected to the end of the tube body 21, and the other end is connected to the straight section 222. The straight section 222 is connected to the electrical terminal 23. The axis of the straight section 222 is the axis b where the end surface of one end of the bent portion 22 connected to the electrical terminal 23 is located. The axis b of the straight section 222 is colinear or parallel to the central axis c of the electrical terminal 23. The electrical terminal 23 extends along the extension direction of the straight section 22. The straight section 222 can facilitate the connection of the electrical terminal 23 with the bent portion 22, and prevents the bent portion 22 and the electrical terminal 23 from interfering with each other.

[0051] Among them, the end face of the power terminal 23 can coincide with the end face of the straight section 222 or the end face of the bent section 221, or be arranged concentrically, that is, the axis b of the end face where the bent portion 22 is connected to the power terminal 23 is collinear with the center axis c of the power terminal 23; or, the end face of the power terminal 23 can also be arranged eccentrically with the end face where the bent portion 22 is connected to the power terminal 23, that is, the axis b of the end face where the bent portion 22 is connected to the power terminal 23 is parallel to the center axis c of the power terminal 23.

[0052] like Figure 7As shown, in another embodiment, there are two bending sections 221, namely a first bending section 2211 and a second bending section 2212 connected in sequence. The first bending section 2211 bends and extends from the end of the tube body 21 toward the side away from the heating plate 10, and the second bending section 2212 bends and extends from the end of the first bending section 2211 away from the tube body 21 toward a direction inclined to the vertical direction, so that the power terminal 23 extends in a direction inclined to the axis of the heating plate 10, and the power terminal 23 is close to the heating plate 10. In addition, the fillet radius R of the first bending section 2211 is R1, and the fillet radius R of the second bending section 2212 is R2, and R1 and R2 both meet the range of 2mm to 30mm. Specifically, refer to Figure 7 As shown, the second bending section 2212 and the power terminal 23 can also be transitionally connected by a straight section 222. The straight section 222 will not change the extension direction of the bending section 221, but can change the extension length of the bending section 221.

[0053] Of course, in other embodiments, there may be only one bending section 221, and one bending section 221 may be bent and extended from the end of the tube body 21 toward a direction that is inclined with the axis of the heating disk 10, so that the power terminal 23 also extends toward a direction that is inclined with the axis of the heating disk 10; or, there may be four, five or more bending sections 221, and multiple bending sections 221 may make the power terminal 23 extend toward a direction that is inclined with the axis of the heating disk 10, or extend in a direction parallel to the disk surface of the heating disk 10. Moreover, multiple bending sections 221 can reduce the overall height of the heating assembly 100 while avoiding damage to the bending section 221 during the bending process due to the power terminal 23 being close to the heating disk 10 by only one bending section 221.

[0054] like Figure 4 and Figure 6 As shown, the bending portion 22 has a first end and a second end, the first end is connected to the tube body 21, and the second end is connected to the power terminal 23. The distance H between the top surface of the first end and the bottom surface of the power terminal 23 satisfies: 4mm≤H≤35mm. For example, any value between 4mm and 35mm, such as 4mm, 5mm, 6mm...34mm, 35mm, etc. Among them, the top surface of the first end is the position of the bending portion 22 closest to the heating plate 10, and the bottom surface of the power terminal 23 is the position of the power terminal 23 farthest from the heating plate 10. The distance H is the size of the top surface of the first end and the bottom surface of the power terminal 23 along the thickness direction of the heating component 100. H≥4mm to ensure that the power terminal 23 can be normally connected to the internal cable of the cooking device; and H≤35mm to avoid the overall height of the heating component 100 being too large, thereby increasing the overall volume of the cooking appliance, and also to avoid the power terminal 23 being close to the base 300 and causing the temperature of the base 300 to be too high.

[0055] like Figures 2 to 3 As shown, the orthographic projection of the heating plate 10 on the horizontal plane forms a first projection plane, and the orthographic projections of the bending portion 22 and the power terminal 23 on the horizontal plane are located within the first projection plane. In other words, when looking at the heating assembly 100 from top to bottom in the vertical direction, only the heating plate 10 can be seen, but the tube body 21, the bending portion 22 and the power terminal 23 cannot be seen. In this way, the overall volume of the heating assembly 100 can be avoided from being increased, and the heat emitted by the tube body 21, the bending portion 22 and the power terminal 23 can be received by the heating plate 10, thereby ensuring the heat transfer effect between the heating tube 20 and the heating plate 10, reducing heat loss, and improving heating efficiency.

[0056] like Figure 2 As shown, the two power terminals 23 of the heating tube 20 are staggered, and the distance L between the ends of the two power terminals 23 satisfies: 5mm≤L≤80mm. For example, any value between 5mm and 80mm, such as 5mm, 6mm, 7mm...79mm, 80mm, etc. When the heating tube 20 is set in a ring shape, there is a partial overlap area along the circumference of the heating tube 20, and the length of the overlap area is the distance L between the ends of the two power terminals 23. L≥5mm to reduce the cold end of the heating tube 20 on the heating plate 10, and L≤80mm to avoid the overlap area being too long and causing overheating, thereby ensuring the heating uniformity of the heating component 100 and the heating effect.

[0057] like Figures 2 to 3 As shown, the heating plate 10 is also provided with a support rib 30, and the two ends of the support rib 30 are respectively connected to the bottom surface of the heating plate 10 and the bending portion 22. The support rib 30 is used to support the bending portion 22, ensure the stability of the bending portion 22 and the power terminal 23, and prevent the bending portion 22 from bending toward the side close to the heating plate 10 after long-term use, thereby affecting the normal connection between the power terminal 23 and the internal cable of the cooking device. Among them, the support rib 30 can be integrally formed with the heating plate 10, or can be fixedly connected to the heating plate 10 by fasteners such as screws. As long as the stability and reliability of the connection between the support rib 30 and the heating plate 10 can be guaranteed, the embodiment of the utility model is not specifically limited here.

[0058] like Figure 1As shown, the embodiment of the utility model also provides a cooking utensil, including a pot body 200 and a base assembly, the base assembly includes a base 300 and the above-mentioned heating assembly 100, the heating assembly 100 is arranged on the base 300, and the pot body 200 is placed on the heating assembly 100. The heating assembly 100 is used to heat the pot body 200 to cook the food in the pot body 200. Since the overall height of the heating assembly 100 is small, after the heating assembly 100 is arranged on the base 300, the overall height of the base assembly is also small, so as to achieve product miniaturization and reduce the material, packaging and transportation costs of the cooking utensil. In addition, the power terminal 23 can be far away from the base 300, so as to avoid the high temperature of the base 300 caused by the high-temperature bending portion 22 and the power terminal 23, thereby reducing safety hazards.

[0059] The cooking utensil may be an electric hot pot, an electric steamer, an electric stew pot, an electric rice cooker, a baking tray, a grill or the like, which heats the pot body 200 through the heating component 100, and the embodiment of the utility model does not make any specific limitation here.

[0060] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0061] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A heating component, characterized in that: include: A heating plate (10); and A heating tube (20), the heating tube (20) being fixedly mounted on the heating plate (10), the heating tube (20) comprising a tube body (21), a bent portion (22) and an electrical terminal (23), the two ends of the bent portion (22) being smoothly connected to the tube body (21) and the electrical terminal (23) respectively, and the axes to which the end surfaces at the two ends of the bent portion (22) are located are not perpendicular.

2. The heating assembly according to claim 1, characterized in that The bending portion (22) comprises at least two bending sections (221).

3. The heating assembly according to claim 2, characterized in that The bending section (221) has a rounded corner, and the radius R of the rounded corner satisfies: 2mm≤R≤30mm.

4. The heating assembly according to claim 2, characterized in that: The number of the bending sections (221) is two or three.

5. The heating assembly according to claim 1, characterized in that The heating plate (10) is also provided with a supporting rib (30), and two ends of the supporting rib (30) are respectively connected to the bottom surface of the heating plate (10) and the bending portion (22).

6. The heating assembly according to claim 1, characterized in that The bent portion (22) has a first end and a second end, the first end is connected to the tube body (21), the second end is connected to the power terminal (23), and the distance H between the top surface of the first end and the bottom surface of the power terminal (23) satisfies: 4mm≤H≤35mm.

7. The heating assembly according to claim 1, characterized in that The orthographic projection of the heating plate (10) on the horizontal plane forms a first projection plane, and the orthographic projections of the bending portion (22) and the power terminal (23) on the horizontal plane are located within the first projection plane.

8. The heating assembly according to claim 1, characterized in that The heating tube (20) and the heating plate (10) are integrally cast or die-cast.

9. The heating assembly according to claim 1, characterized in that The two power terminals (23) of the heating tube (20) are arranged in a staggered manner, and the distance L between the ends of the two power terminals (23) satisfies: 5mm≤L≤80mm.

10. A cooking utensil, characterized in that: include: a pot body (200), and A base assembly, the base assembly comprising a base (300) and a heating assembly according to any one of claims 1 to 9, the heating assembly being arranged on the base (300), and the pot body (200) being placed on the heating assembly.

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