IH electric cooker coil panel assembly
By using an integrated IH coil body and a snap-fit and threaded connection design, the problems of low processing efficiency and loosening are solved, achieving efficient and stable heating effect and sealing performance, thus improving the production efficiency and cooking quality of the rice cooker.
Patent Information
- Application Number
- CN202423238325.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing IH rice cooker coils have low processing efficiency, high mold complexity, serious material waste, and the traditional screw-lock installation method is prone to loosening, affecting the uniformity and stability of heating.
The IH coil body is made of one piece, and the combination of snap-fit and threaded connection is used. The design of components such as snap-fit blocks, springs, threaded sleeves and threaded rings ensures that the components are firm and sealed. The use of conical stabilizing sleeves and torsion parts improves stability and concentrates the electromagnetic field in the central area of the bottom of the inner liner.
It simplifies the manufacturing process, reduces production costs, improves production efficiency and heating uniformity, prevents loosening and leakage, and ensures reliability and cooking quality for long-term use.
Smart Images

Figure CN223714208U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electric rice cooker coil disc structure design, especially to a kind of IH electric rice cooker coil disc assembly. BACKGROUND
[0002] IH electric rice cooker coil disc is the key heating component in electromagnetic induction heating (IH) electric rice cooker. Unlike traditional resistance wire heating method, IH technology directly heats inner container through electromagnetic induction, achieving faster and more uniform heating effect. IH coil disc is usually located at the bottom or side of electric rice cooker, composed of multiple electromagnetic coils. These coils generate alternating magnetic field when powered on, causing eddy current inside metal inner container, thereby rapidly heating up.
[0003] Currently, common coil discs are usually covered and installed with screw locks and magnetic strip frames. Although screw locks have certain reinforcing performance, in actual processing, due to the consideration of durability and heat resistance of coil disc face cover, high-quality and high-cost materials are usually required. Because of the covering installation mode of screw locks, multiple matching holes corresponding to screw locks need to be reserved on the surface of coil disc during injection molding or subsequent processing. These matching holes need to be accurately opened and positioned during injection molding or subsequent processing, increasing mold complexity and production time. This will result in low processing efficiency of coil disc, leading to consumption and waste of injection molding materials.
[0004] Therefore, a kind of IH electric rice cooker coil disc assembly is specially designed. INVENTION CONTENTS
[0005] In order to overcome the shortcomings of the above-mentioned prior art, the utility model provides a kind of IH electric rice cooker coil disc assembly.
[0006] An IH electric rice cooker coil disc assembly comprises:
[0007] The IH coil disc body is an integrally formed mounting carrier, with a symmetric protrusion at the top center corresponding to the lower part of the electric rice cooker inner container and assisting in concentrating electromagnetic field. Symmetric positioning installation holes are provided at the edge corners inside the IH coil disc body.
[0008] The mounting block is clamped in the positioning installation hole. The inner hollow cylinder of the mounting block is fixed on the top. Symmetric clamping blocks are arranged in the cylinder along the circumferential direction. The outer end of the clamping block is arc-shaped. Symmetric springs are connected to the inner wall of the cylinder at the end of each clamping block. The fixed block is connected to the end of each spring away from the clamping block. The clamping block penetrates into the fixed block. The semicircular clamping ball is arranged on the top of the fixed block.
[0009] The threaded sleeve is sleeved on the outer upper portion of the cylinder body, the semicircular clamping ball extends into the interior of the threaded sleeve, the outer profile surface of the semicircular clamping ball is matched with the inner wall surface of the threaded sleeve, and the outer profile surface of the semicircular clamping ball is in abutment with the inner wall surface of the threaded sleeve, the middle outer surface of the threaded sleeve is provided with external threads, and the outward one end of each clamping block is slidably penetrated through the inner wall of the threaded sleeve.
[0010] The mounting cylinder is fixed on the top of the threaded sleeve, the semicircular clamping ball also extends into the interior of the mounting cylinder, and the outer profile surface of the semicircular clamping ball is matched with the inner wall surface of the mounting cylinder, and the outer profile surface of the semicircular clamping ball is in abutment with the inner wall surface of the mounting cylinder, and the top of the mounting cylinder is fixed with an externally provided butt joint cylinder.
[0011] As a further preferred scheme, the upper portion of the externally provided butt joint cylinder is annularly open.
[0012] As a further preferred scheme, a threaded ring is further included, the threaded ring is connected with the threaded sleeve outside through external threads, the inner side of the threaded ring is provided with internal threads, the internal threads are matched with the external threads, and the inner wall surface of the threaded ring is in contact with the outward one end of the clamping block.
[0013] As a further preferred scheme, an anti-skid ring is further included, the anti-skid ring is arranged outside the threaded ring, and a plurality of grooves are symmetrically arranged on the outer portion of the anti-skid ring in the circumferential direction.
[0014] As a further preferred scheme, a tapered stabilizing sleeve is further included, the threaded sleeve is sleeved with the tapered stabilizing sleeve which is narrow at the top and wide at the bottom, and the lower end of the tapered stabilizing sleeve is in contact with the outer surface of the positioning mounting hole of the IH coil disc body.
[0015] As a further preferred scheme, a threaded positioning rod and a twisting member are further included, a plurality of threaded positioning rods are arranged outside the threaded sleeve in a penetrating manner, the penetrating portions of the threaded positioning rods pass through the inner wall of the threaded sleeve and abut against the outer surface of the cylinder body, and the outward one end of the threaded positioning rod is provided with the twisting member.
[0016] The utility model discloses have the following advantages: 1, the utility model discloses an IH coil disc body adopts the design of integral forming, reduces assembly steps and material waste, simplifies manufacturing technology, reduces production cost, discards the complex installation mode of traditional screw lock and magnetic strip frame, adopts the mode that clamping and screw connection are combined, reduces the complexity of mould opening and positioning, improves production efficiency.
[0017] 2, the utility model discloses that the clamping block is automatically ejected and locks the threaded sleeve under the action of the spring, ensures the firmness of the assembly, avoids the loosening risk of traditional screw lock, and the combination of threaded sleeve, mounting cylinder, threaded ring and anti-skid ring not only provides further fixing effect, but also enhances sealing performance, prevents loosening or leakage due to vibration or other factors.
[0018] 3, the utility model discloses a top center of IH coil disc body symmetry protruding part concentrates electromagnetic field, make heat more concentrated in the bottom center area of inner bag, realized more uniform heating effect, improved cooking efficiency and quality.
[0019] 4, the utility model discloses the cooperation of symmetry protruding part and mounting block prevents the displacement of inner bag during heating, ensures the uniformity and stability of heating, avoids the problem of local overheating or uneven heating, the tapered stabilizing sleeve of upper narrow lower wide is directly covered in the lower part of threaded sleeve, strengthens the overall stability of assembly, effectively prevents the loosening caused by vibration or other factors.
[0020] 5, the utility model discloses the position of threaded positioning rod is adjusted by rotating twist member, ensures its firm locking threaded sleeve, further improves the overall stability, guarantees the reliability of long-time use. DRAWINGS
[0021] Figure 1 It is the three-dimensional structure schematic view of the utility model.
[0022] Figure 2 It is the explosion map display of the utility model cylinder, mounting cylinder and external device butt joint cylinder and other components.
[0023] Figure 3 It is the sectional view of the utility model cylinder, mounting cylinder and external device butt joint cylinder and other components.
[0024] Figure 4 It is the three-dimensional structure schematic view of the utility model mounting block, cylinder, clamping block and other components.
[0025] Figure 5 It is the three-dimensional structure schematic view of the utility model external device butt joint cylinder, threaded sleeve and threaded ring and other components.
[0026] The names and serial numbers of parts in the drawing: 1-IH coil disc body, 101-symmetry protruding part, 2-mounting block, 3-cylinder, 4-clamping block, 5-spring, 6-fixing block, 7-threaded sleeve, 8-mounting cylinder, 9-external device butt joint cylinder, 10-threaded ring, 11-anti-skid ring, 12-tapered stabilizing sleeve, 13-semicircular clamping ball, 14-threaded positioning rod, 15-twist member. DETAILED DESCRIPTION
[0027] Although the present application can be described in relation to a particular application or industry, those skilled in the art will recognize a broader applicability of the present application. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc., are words of description used to describe the drawings and are not meant to limit the scope of the present application as defined by the appended claims. Any numerical designations such as: first or second are merely illustrative and are not intended to limit the scope of the present application in any way.
[0028] Embodiment: An IH rice cooker coil disc assembly, as shown, comprising: Figures 1-5
[0029] IH coil disc body 1 is an integrated mounting carrier, reducing assembly steps and material waste, and the top center is provided with a symmetric protruding part 101 corresponding to the lower part of the inner container of the electric rice cooker and assisting in concentrating the electromagnetic field, and symmetric positioning installation holes are provided at the inside edge corners of the IH coil disc body 1;
[0030] The mounting block 2 is clamped in the positioning installation hole, and the inner hollow cylinder body 3 is fixed on the top of the mounting block 2. The mounting block 2 serves to fix and support the cylinder body 3. Symmetric clamping blocks 4 are provided in the cylinder body 3 in a sliding and penetrating manner along the circumferential direction at the upper part. The outer end of each clamping block 4 is arc-shaped, facilitating sliding and locking. Each clamping block 4 is symmetrically connected with a spring 5 at the end penetrating the inner wall of the cylinder body 3, providing elastic force. The ends of the springs 5 away from the clamping blocks 4 are commonly connected with a fixed block 6, which serves as the fixed point of the springs 5, ensuring that the clamping blocks 4 are correctly ejected and retracted under the action of the springs 5. The penetrating part of each clamping block 4 extends into the inside of the fixed block 6, and the top of the fixed block 6 is provided with a semicircular clamping ball 13.
[0031] The threaded sleeve 7 is sleeved on the outer upper part of the cylinder body 3. The threaded sleeve 7 provides further fixing effect and enhances sealing performance. The cylinder body 3 provides a sliding and fixed channel for the clamping blocks 4 and serves as a connecting carrier for the threaded sleeve 7. The semicircular clamping ball 13 extends into the inside of the threaded sleeve 7, and the outer contour surface of the semicircular clamping ball 13 is fitted with the inner wall surface of the threaded sleeve 7, forming a resistance. The outer surface of the middle part of the threaded sleeve 7 is provided with external threads, and the outer end of each clamping block 4 slides and penetrates the inner wall of the threaded sleeve 7.
[0032] The mounting cylinder 8 is fixed on the top of the threaded sleeve 7, which can further enhance the fixing effect and sealing performance. The semicircular clamping ball 13 also extends into the inside of the mounting cylinder 8, and the outer contour surface thereof is fitted with the inner wall surface of the mounting cylinder 8, forming an additional resistance. The mounting cylinder 8 is fixed with an externally connected cylinder 9 on the top. The upper part of the externally connected cylinder 9 is annularly open, facilitating subsequent butt joint with other components.
[0033] As shown in Figure 2 , Figure 3 and Figure 5 As shown, the device further comprises a threaded ring 10, the threaded ring 10 is connected to the outside of the threaded sleeve 7 through external threads, the inside of the threaded ring 10 is provided with internal threads, the internal threads and the external threads are matched with each other, and the inner wall surface of the threaded ring 10 is in contact with the outward end of the clamping block 4, further pressing the clamping block 4, ensuring that it is tightly attached, enhancing the fixing effect.
[0034] As shown in Figure 2 , Figure 3 and Figure 5 , the device further comprises an anti-skid ring 11, the anti-skid ring 11 is arranged on the outside of the threaded ring 10, a plurality of grooves are symmetrically arranged on the outside of the anti-skid ring 11 in the circumferential direction, the threaded ring 10 can be more conveniently tightened or loosened through the anti-skid ring 11, slipping is avoided, and the safety of operation is increased.
[0035] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , the device further comprises a tapered stabilizing sleeve 12, the tapered stabilizing sleeve 12 with a narrow upper part and a wide lower part is sleeved on the lower part of the threaded sleeve 7, the design of the narrow upper part and the wide lower part enhances the overall stability of the assembly, effectively preventing loosening caused by vibration or other factors, and the lower end of the tapered stabilizing sleeve 12 is in contact with the outer surface of the positioning installation hole of the IH coil disc body 1.
[0036] As shown in Figure 2 and Figure 4 , the device further comprises a threaded positioning rod 14 and a twisting member 15, a plurality of threaded positioning rods 14 are arranged on the outside of the threaded sleeve 7 in a threaded penetrating manner, the penetrating part of each threaded positioning rod 14 passes through the inner wall of the threaded sleeve 7 and abuts against the outer surface of the cylinder 3, and the outward end of the threaded positioning rod 14 is provided with the twisting member 15; the position of the threaded positioning rod 14 is adjusted by rotating the twisting member 15, ensuring that it is firmly locked with the threaded sleeve 7, and further improving the overall stability.
[0037] In use, the IH coil disc body 1 is installed at a designated position on the bottom of the electric rice cooker, with the symmetrical protruding part 101 at the top center thereof corresponding to the bottom of the inner container. The IH coil disc body 1 is integrally formed, reducing the assembly steps and material waste. The mounting block 2 is clamped into the positioning mounting hole, and the threaded sleeve 7 is directly sleeved on the outer upper portion of the cylinder 3. When the threaded sleeve 7 is sleeved in place, the clamping block 4 is automatically ejected and locked with the threaded sleeve 7 under the action of the spring 5, ensuring firm fixation. At the same time, after the threaded sleeve 7 is in place, the semicircular clamping ball 13 will extend into the threaded sleeve 7 and the mounting cylinder 8 and engage with the inner walls thereof, while the outward end of the clamping block 4 penetrates the outer portion of the threaded sleeve 7. At this time, the threaded ring 10 can be tightened, with its inner wall surface in contact with the outward end of the clamping block 4, further pressing the clamping block 4 to ensure tight fitting. The anti-skid ring 11 assists in tightening the threaded ring 10 to avoid slipping and increase operational safety. The conical stabilizing sleeve 12 is then installed, with its lower end in contact with the outer surface of the positioning mounting hole of the IH coil disc body 1 to achieve auxiliary support. Finally, the position of the threaded positioning rod 14 is adjusted by rotating the twisting member 15 to securely lock the threaded sleeve 7.
[0038] When the electric rice cooker is started, the current passes through the electromagnetic coil to generate an alternating magnetic field, which rapidly heats the inner container. The symmetrical protruding part 101 concentrates the electromagnetic field, preventing displacement of the inner container and ensuring uniform heating. The fixation and sealing of the components ensure the stability of the assembly and prevent loosening or leakage.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An IH rice cooker coil pan assembly comprising Have: IH coil disc body (1), the top center is provided with a symmetric convex part (101) corresponding to the lower part of the inner container of the electric rice cooker and auxiliary concentration of electromagnetic field, and the inside of the IH coil disc body (1) is symmetrically provided with a positioning installation hole at the edge corner; The mounting block (2) is clamped in the positioning installation hole, and the inner hollow cylinder (3) is fixed on the top of the mounting block (2). The symmetric clamping blocks (4) are arranged in the inner wall of the cylinder (3) and are arranged in the circumferential direction. The outer end of each clamping block (4) is arc-shaped, and the inner end of each clamping block (4) is symmetrically connected with a spring (5). The outer end of each spring (5) is connected with a fixed block (6), and the clamping block (4) is inserted into the fixed block (6). The top of the fixed block (6) is provided with a semicircular clamping ball (13). The threaded sleeve (7) is sleeved on the outer upper part of the cylinder (3), the semicircular clamping ball (13) is inserted into the threaded sleeve (7), the outer surface of the semicircular clamping ball (13) is matched with the inner wall of the threaded sleeve (7), and the outer surface of the semicircular clamping ball (13) is matched with the inner wall of the threaded sleeve (7). The outer surface of the threaded sleeve (7) is provided with external threads, and the outer end of each clamping block (4) is slidably penetrated into the inner wall of the threaded sleeve (7). The mounting cylinder (8) is fixed on the top of the threaded sleeve (7), the semicircular clamping ball (13) is also inserted into the mounting cylinder (8), and the outer surface of the semicircular clamping ball (13) is matched with the inner wall of the mounting cylinder (8). The top of the mounting cylinder (8) is fixed with an external butt joint cylinder (9).
2. The IH rice-cooker coil-pan assembly of claim 1, wherein: The upper part of the external butt joint cylinder (9) is annularly open.
3. The IH rice-cooker coil-pan assembly of claim 2, wherein: Further comprising a threaded ring (10), the threaded sleeve (7) is connected with the threaded ring (10) outside the external threads, the inner side of the threaded ring (10) is provided with internal threads, the internal threads and the external threads are matched with each other, and the inner wall of the threaded ring (10) is in contact with the outer end of the clamping block (4).
4. The IH rice-cooker coil-and-pan assembly of claim 3, characterized by: Further comprising an anti-skid ring (11), the anti-skid ring (11) is provided outside the threaded ring (10), and a plurality of grooves are symmetrically arranged on the outer side of the anti-skid ring (11) in the circumferential direction.
5. The IH rice-cooker coil-and-pan assembly of claim 4, characterized by: Further comprising a tapered stabilizing sleeve (12), the threaded sleeve (7) is sleeved with the tapered stabilizing sleeve (12) which is narrow at the top and wide at the bottom. The lower end of the tapered stabilizing sleeve (12) is in contact with the outer surface of the positioning installation hole of the IH coil disc body (1).
6. The IH rice-cooker coil-and-pan assembly of claim 5, characterized by: Further comprising a threaded positioning rod (14) and a twisting member (15), a plurality of threaded positioning rods (14) are provided outside the threaded sleeve (7) in a threaded penetrating manner. The penetrating part of each threaded positioning rod (14) penetrates through the inner wall of the threaded sleeve (7) and is in contact with the outer surface of the cylinder (3). The outer end of the threaded positioning rod (14) is provided with a twisting member (15).