Dual-heating electric rice cooker

CN224806300UActive Publication Date: 2026-09-29ZHANJIANG HALLSMART ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
CN202522379062.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-07
Publication Date
2026-09-29
Estimated Expiration
2035-11-07

AI Technical Summary

Technical Problem

[0003]现有的电饭锅在使用时,仍存在一定的缺陷,例如现有的电饭锅对内胆的加热不够均匀,加热效率较慢,且现有的电饭煲在装入内胆时,内胆与底部发热板之间存在碰撞阻力,长期使用时可能会造成锅胆和底部发热板的损坏,影响电饭锅的使用寿命

Benefits of technology

[0020]本实用新型通过设置的斜面与承托组件配合,斜面能够驱使侧面加热板与内胆贴合,从而更好地对内胆侧面进行加热;再结合设置的底部加热板,能够从内胆的侧面及底面进行加热,使得内胆受热均匀,以提高加热效率;此外,设置的承托组件也能缓冲内胆放下时底部加热板之间的碰撞阻力,以避免长期使用后内胆和底部加热板损坏,影响电饭锅的使用寿命。

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Abstract

The utility model discloses a double -walled heating's electric rice -cooker, including the kettle body, the pot cover, a plurality of support components and heating assembly, the kettle body is provided with the inner chamber, and the inner chamber's inside forms has the inclination, and the inner bag sets up in the inner chamber, and support component includes the bracket, fixed base, drive link and first elastic part, and the bracket can slideable installation on the inner chamber's inside, and drive link one end is installed with fixed base, and the other end penetrates the bracket and the inclination and abuts, and the bottom of bracket is provided with the support plate, and heating assembly includes the heating plate and side heating plate, this double -walled heating's electric rice -cooker cooperates with the support component through setting inclination to drive side heating plate better and the inner bag adhere to the inner bag side heating, and then combine the bottom heating plate, and the inner bag side and bottom surface heating are heated to the inner bag even, to improve the heating efficiency, and the support component of setting can buffer the impact resistance between the inner bag and bottom heating plate, avoids the inner bag and bottom heating plate damage after long -term use.
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Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, specifically to a rice cooker with dual heating capability. Background Technology

[0002] Rice cookers are an essential tool for family cooking. With the development of their functions, modern rice cookers can now integrate multiple cooking methods such as steaming, boiling, stewing, simmering, and braising. Besides the basic rice cooking function, they can meet many other cooking needs, making them almost indispensable kitchen appliances in modern households. Rice cookers are popular for their simple operation, convenience, efficiency, and intelligent automation.

[0003] Existing rice cookers still have certain defects in use. For example, the heating of the inner pot is not uniform enough and the heating efficiency is slow. In addition, when the inner pot is installed, there is collision resistance between the inner pot and the bottom heating plate. Long-term use may cause damage to the inner pot and the bottom heating plate, affecting the lifespan of the rice cooker. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, the purpose of this utility model is to invent a rice cooker with high heating efficiency, which can buffer the impact between the inner pot and the heating plate and extend the service life of the inner pot and the bottom heating plate.

[0005] The present invention adopts the following technical solution:

[0006] A rice cooker with dual heating capability, including:

[0007] The pot body has an inner cavity with an upper opening. An inclined surface is formed on the inner side of the inner cavity near the upper opening. The inclined surface slopes from the inner side of the inner cavity toward the outer side of the pot body.

[0008] The inner liner is disposed within the inner cavity and a gap is formed between the inner cavity and the inner cavity;

[0009] The pot lid is installed at the upper opening;

[0010] A plurality of supporting components are disposed within the gap and evenly arranged along the radial direction of the inner cavity. Each supporting component includes a bracket, a fixed seat, a drive rod, and a first elastic element. The bracket is slidably mounted on the inner side of the inner cavity. One end of the drive rod faces the inner liner and is mounted on the fixed seat, while the other end passes through the bracket and abuts against the inclined surface. The first elastic element is sleeved on the outside of the drive rod, and both ends of the first elastic element are fixedly connected to the bracket and the fixed seat, respectively. The first elastic element is adapted to provide the fixed seat with an elastic force that moves towards the inclined surface. A support plate is provided at the bottom end of the bracket, and the upper end surface of the support plate abuts against the bottom end of the inner liner.

[0011] The heating assembly includes a bottom heating plate disposed at the bottom end of the inner cavity and a side heating plate mounted on the fixed base facing the inner liner.

[0012] Furthermore, it also includes a guide assembly, which includes a plurality of first guide rods and a plurality of first connecting plates. The plurality of first guide rods and the first connecting plates are respectively arranged in correspondence with the support assembly. The plurality of first guide rods are arranged on the inner side of the inner cavity near the upper opening and are evenly arranged along the radial direction of the upper opening. One end of the first connecting plate is slidably connected to the first guide rod, and the other end is fixedly connected to the top end of the bracket.

[0013] Furthermore, the guide assembly also includes a plurality of second guide rods and a plurality of second connecting plates. A plurality of receiving grooves are evenly provided in the radial direction at the center of the inner side of the inner cavity. The second guide rods are disposed in the receiving grooves. One end of the second connecting plate is slidably connected to the second guide rod, and the other end is fixedly connected to the center of the bracket.

[0014] Furthermore, it also includes a reinforcing component, which includes a first reinforcing rib connecting the first connecting plate and the bracket, and a second reinforcing rib connecting the second connecting plate and the middle part of the bracket.

[0015] Furthermore, it also includes a buffer assembly, which includes a second elastic element sleeved on the outside of the first guide rod, one end of the second elastic element abutting against the inner side of the inner cavity, and the other end abutting against the first connecting plate.

[0016] Furthermore, the contact surface between the tray and the inner liner is provided with a recess that matches the bottom end of the inner liner.

[0017] Furthermore, the end of the drive rod that abuts against the inclined surface is hemispherical.

[0018] Furthermore, the side heating plate facing the inner liner is arranged in an arc shape that adapts to the outer side of the inner liner.

[0019] Beneficial effects:

[0020] This invention utilizes a sloped surface that works in conjunction with a support component. The sloped surface forces the side heating plate to fit snugly against the inner pot, thereby improving the heating of the inner pot's sides. Combined with the bottom heating plate, heating can be achieved from the sides and bottom of the inner pot, resulting in even heating and improved heating efficiency. Furthermore, the support component also cushions the impact resistance between the bottom heating plates when the inner pot is lowered, preventing damage to the inner pot and bottom heating plate after prolonged use and extending the lifespan of the rice cooker. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a rice cooker with dual heating according to the present invention;

[0022] Figure 2 This is a cross-sectional view of a rice cooker with dual heating according to the present invention;

[0023] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0024] Figure 4 This is a schematic diagram of the structure of a double-heating rice cooker with the inner pot removed according to the present invention;

[0025] Figure 5 This is a schematic diagram of the internal structure of the pot body of a rice cooker with dual heating according to the present invention.

[0026] Figure 6 This is a schematic diagram of the structure of a rice cooker support assembly with dual heating capability according to the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of a rice cooker support assembly capable of dual heating according to this utility model from another angle.

[0028] Figure label:

[0029] 10. Pot body; 101. Inner cavity; 102. Inclined surface; 20. Inner liner; 30. Pot lid; 40. Support assembly; 401. Bracket; 402. Drive rod; 403. First elastic element; 404. Support plate; 4041. Recess; 50. Heating assembly; 501. Bottom heating plate; 502. Side heating plate; 60. Guide assembly; 601. First guide rod; 602. First connecting plate; 603. Second guide rod; 604. Second connecting plate; 70. Reinforcing assembly; 701. First reinforcing rib; 702. Second reinforcing rib; 80. Buffer assembly; 801. Second elastic element. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] In the description of this utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] like Figure 1-7 As shown, a rice cooker with dual heating capability includes,

[0035] The pot body 10 has an inner cavity 101 with an upper opening. An inclined surface 102 is formed on the inner side of the inner cavity 101 near the upper opening. The inclined surface 102 slopes from the inner side of the inner cavity 101 toward the outer side of the pot body 10.

[0036] The inner liner 20 is disposed within the inner cavity 101 and has a gap between it and the inner cavity 101;

[0037] The lid 30 is installed at the upper opening;

[0038] A plurality of supporting components 40 are disposed within the gap and are evenly arranged along the radial direction of the inner cavity 101. Each supporting component 40 includes a bracket 401, a fixed seat, a drive rod 402, and a first elastic element 403. The bracket 401 is slidably mounted on the inner side of the inner cavity 101. One end of the drive rod 402 faces the inner liner 20 and is mounted on the fixed seat, while the other end passes through the bracket 401 and abuts against the inclined surface 102. The first elastic element 403 is sleeved on the outer side of the drive rod 402, and both ends of the first elastic element 403 are fixedly connected to the bracket 401 and the fixed seat, respectively. The first elastic element 403 is adapted to provide elastic force for the fixed seat to move toward the inclined surface 102. A support plate 404 is provided at the bottom end of the bracket 401, and the upper end surface of the support plate 404 abuts against the bottom end of the inner liner 20.

[0039] The heating assembly 50 includes a bottom heating plate 501 disposed at the bottom end of the inner cavity 101 and a side heating plate 502 mounted on the fixed base facing the inner liner 20.

[0040] When using the rice cooker of this application, the user places the inner pot 20 into the inner cavity 101 through the top opening. The bottom end of the inner pot 20 will abut against the tray 404, causing the bracket 401 to move downwards. During this process, the bracket 401 will drive the drive rod 402 to move downwards together. Since one end of the drive rod 402 abuts against the inclined surface 102, the drive rod 402 will move towards the inner pot 20 under the drive of the inclined surface 102 during its downward movement. The first elastic element 403 will stretch synchronously until the side heating plate 502 installed on the end of the drive rod 402 facing the inner pot 20 is in contact with and abuts against the inner pot 20. The inner liner 20 is self-locked with the drive rod 402. At this time, the bottom end of the inner liner 20 is also in contact with the bottom heating plate 501 at the bottom end of the mounting cavity 101. The bottom heating plate 501 and the side heating plate 502 are activated to heat the inner liner 20 from the bottom end and the side, so that the inner liner 20 is heated evenly. After the heating is completed, when it is necessary to remove the inner liner 20, the user can simply lift the inner liner 20 upwards. After the inner liner 20 is separated from the side heating plate 502, the first elastic element 403 retracts and resets, and drives the drive rod 402 to slide upwards along the inclined surface 102 through the fixed seat to reset.

[0041] In this embodiment, when the inner liner 20 contacts the bottom heating plate 501, the position of the drive rod 402 can be set to the lowest position of the drive rod 402. The required length of the drive rod 402 when it can move to the lowest position is determined. Based on this, the length of the drive rod 402 is set. When the heating plate is pressed against the outside of the inner liner 20, the bottom of the inner liner 20 is also pressed against the bottom heating plate 501, so that the side heating plate 502 and the bottom heating plate can heat the bottom and sides of the inner liner 20.

[0042] This invention utilizes a sloped surface 102 in conjunction with a supporting component 40. The sloped surface 102 drives the side heating plate 502 to fit against the inner pot 20, thereby better heating the sides of the inner pot 20. Combined with the bottom heating plate 501, heating can be achieved from the sides and bottom of the inner pot 20, resulting in uniform heating and improved heating efficiency. Furthermore, the supporting component 40 also buffers the collision resistance between the bottom heating plates 501 when the inner pot 20 is lowered, preventing damage to the inner pot 20 and bottom heating plate 501 after long-term use, thus extending the lifespan of the rice cooker.

[0043] Furthermore, to prevent the bracket 401 from shifting during its vertical movement, which could prevent the side heating plate 502 from properly fitting against the side of the inner pot 20, the rice cooker in this embodiment is also equipped with a guide assembly 60. The guide assembly 60 includes several first guide rods 601 and several first connecting plates 602. Each of the first guide rods 601 and first connecting plates 602 corresponds to one of the support assembly 40. The first guide rods 601 are positioned inside the inner cavity 101 near the upper opening and are evenly distributed along the radial direction of the upper opening. One end of each first connecting plate 602 is slidably connected to the first guide rod 601, and the other end is connected to... The top end of the bracket 401 is fixedly connected to a first guide rod 601 and a first connecting plate 602. These components can restrict the direction of movement of the bracket 401 during its movement, preventing it from moving laterally. Furthermore, to prevent the bracket 401 from rotating relative to the first guide rod 601 during movement, in this embodiment, two first guide rods 601 can be provided for each bracket 401. The two first guide rods 601 are symmetrically arranged with the center of the bracket 401 in the horizontal direction as the center of symmetry. Two symmetrical first connecting plates 602 are then provided to connect the two first guide rods 601 to the top end of the bracket 401, thereby using the two first guide rods 601 to restrict the rotation of the bracket 401.

[0044] Furthermore, to prevent the bracket 401 from swinging around the connection end between the first connecting plate 602 and the first guide rod 601 under the weight of the inner liner 20 when it presses against the support plate 404, in this embodiment, the guide assembly 60 also includes several second guide rods 603 and several second connecting plates 604. Multiple receiving grooves are evenly provided radially in the middle of the inner side of the inner cavity 101. The second guide rods 603 are disposed in the receiving grooves, and one end of the second connecting plate 604 is connected to... The second guide rod 603 is slidably connected, and its other end is fixedly connected to the middle of the bracket 401. The second guide rod 603 and the second connecting plate 604 can support the bracket 401 from the middle of the bracket 401, and can cooperate with the first guide rod 601 and the first connecting plate 602 to support the top of the bracket 401, so as to prevent the bracket 401 from swinging under the gravity of the inner liner 20, thereby preventing the first connecting plate 602 or the first guide plate from breaking due to the swing of the bracket 401.

[0045] Meanwhile, in order to improve the connection strength between the first connecting plate 602, the second connecting plate 604 and the bracket 401, this embodiment also includes a reinforcing component 70. The reinforcing component 70 includes a first reinforcing rib plate 701 connecting the first connecting plate 602 and the bracket 401 and a second reinforcing rib plate 702 connecting the second connecting plate 604 and the middle part of the bracket 401.

[0046] Furthermore, to prevent the weight of the inner pot 20 from being excessively concentrated on the drive rod 402, which could cause deformation of the drive rod 402, the rice cooker in this embodiment also includes a buffer assembly 80. The buffer assembly 80 includes a second elastic member 801 sleeved on the outside of the first guide rod 601. One end of the second elastic member 801 abuts against the inner side of the inner cavity 101, and the other end abuts against the first connecting plate 602. The second elastic member 801 can buffer the impact generated when the inner pot 20 moves the bracket 401 downward; at the same time, it can support the bracket 401 when the drive rod 402 moves to the lowest position, thereby reducing the weight acting on the drive rod 402.

[0047] Preferably, in order to ensure that the inner liner 20 and the inner cavity 101 are on the same axis when the inner liner 20 is inserted into the inner cavity 101, a recess 4041 adapted to the bottom end of the inner liner 20 is provided on the contact surface between the tray 404 and the inner liner 20. The recesses 4041 provided on the multiple trays 404 cooperate with each other to position the inner liner 20, so that when the inner liner 20 is inserted into the inner cavity 101, it is on the same axis as the inner cavity 101, and the multiple side heating plates 502 can fit well against the sides of the inner liner 20.

[0048] Furthermore, in order to allow the drive rod 402 to slide along the inclined plane 102, in this embodiment, the end of the drive rod 402 that abuts against the inclined plane 102 is set in a hemispherical shape to reduce the friction between the drive rod 402 and the inclined plane 102, and at the same time reduce the wear between the drive rod 402 and the inclined plane 102 during the movement. Of course, a ball bearing or roller can also be installed at the end of the drive rod 402 that abuts against the inclined plane 102 to reduce the friction between the two.

[0049] Meanwhile, in order to better fit the side heating plate 502 against the outer side of the inner liner 20, the side heating plate 502 facing the inner liner 20 is arranged in an arc shape to match the outer side of the inner liner 20.

[0050] The above description provides a more detailed explanation of the present invention in conjunction with specific embodiments. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present invention.

Claims

1. A rice cooker capable of dual heating, characterized in that: include, The pot body has an inner cavity with an upper opening. An inclined surface is formed on the inner side of the inner cavity near the upper opening. The inclined surface slopes from the inner side of the inner cavity toward the outer side of the pot body. The inner liner is disposed within the inner cavity and a gap is formed between the inner cavity and the inner cavity; The pot lid is installed at the upper opening; A plurality of supporting components are disposed within the gap and evenly arranged along the radial direction of the inner cavity. Each supporting component includes a bracket, a fixed seat, a drive rod, and a first elastic element. The bracket is slidably mounted on the inner side of the inner cavity. One end of the drive rod faces the inner liner and is mounted on the fixed seat, while the other end passes through the bracket and abuts against the inclined surface. The first elastic element is sleeved on the outside of the drive rod, and both ends of the first elastic element are fixedly connected to the bracket and the fixed seat, respectively. The first elastic element is adapted to provide the fixed seat with an elastic force that moves towards the inclined surface. A support plate is provided at the bottom end of the bracket, and the upper end surface of the support plate abuts against the bottom end of the inner liner. The heating assembly includes a bottom heating plate disposed at the bottom end of the inner cavity and a side heating plate mounted on the fixed base facing the inner liner.

2. The rice cooker with dual heating capability according to claim 1, characterized in that: It also includes a guide assembly, which includes a plurality of first guide rods and a plurality of first connecting plates. The plurality of first guide rods and the first connecting plates are respectively arranged in correspondence with the support assembly. The plurality of first guide rods are arranged on the inner side of the inner cavity near the upper opening and are evenly arranged along the radial direction of the upper opening. One end of the first connecting plate is slidably connected to the first guide rod, and the other end is fixedly connected to the top of the bracket.

3. The rice cooker with dual heating capability according to claim 2, characterized in that: The guide assembly further includes several second guide rods and several second connecting plates. Multiple receiving grooves are evenly opened in the radial direction in the middle of the inner side of the inner cavity. The second guide rods are disposed in the receiving grooves. One end of the second connecting plate is slidably connected to the second guide rod, and the other end is fixedly connected to the middle of the bracket.

4. The rice cooker with dual heating capability according to claim 3, characterized in that: It also includes a reinforcing component, which includes a first reinforcing rib connecting the first connecting plate and the bracket, and a second reinforcing rib connecting the second connecting plate and the middle part of the bracket.

5. The rice cooker with dual heating capability according to claim 2, characterized in that: It also includes a buffer assembly, which includes a second elastic element sleeved on the outside of the first guide rod, one end of the second elastic element abutting against the inner side of the inner cavity, and the other end abutting against the first connecting plate.

6. The rice cooker with dual heating capability according to claim 1, characterized in that: The contact surface between the tray and the inner liner is provided with a recess that matches the bottom end of the inner liner.

7. The rice cooker with dual heating capability according to claim 1, characterized in that: The end of the drive rod that abuts against the inclined surface is hemispherical.

8. The rice cooker with dual heating capability according to claim 1, characterized in that: The side heating plate facing the inner liner is arranged in an arc shape to match the outer side of the inner liner.