Outer frame assembly for microwave oven
By using a modular design for the aluminum profile frame components, the problems of poor decorative appearance, high electroplating defect rate, and high cost of microwave oven frames have been solved, thus improving both aesthetics and cost-effectiveness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NOPEIN TECH (GUANGZHOU) CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-04-14
AI Technical Summary
Existing microwave ovens suffer from poor exterior decoration, high electroplating defect rate, and high cost.
The outer frame assembly, designed with aluminum profiles, is fixed by plugging, screws, and pins, and combined with glass adhesive panels and decorative panels to form a modular structure, enhancing overall strength and assembly precision.
It improves the aesthetics, reduces production costs, and enhances component stability and assembly efficiency.
Smart Images

Figure CN224121291U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of microwave oven technology, specifically to an outer frame assembly for a microwave oven. Background Technology
[0002] The outer frame of a microwave oven primarily serves to protect the internal structure, enhance overall strength, and provide a certain decorative effect. Traditional microwave oven frames typically use straight-edged metal parts, which are simple in structure but lack decorative appeal, resulting in an outdated appearance that fails to meet the aesthetic demands of modern homes.
[0003] Furthermore, the control panels of existing microwave ovens are mostly made of aluminum alloy castings and treated with electroplating. However, the electroplating defect rate is high, resulting in numerous appearance defects and affecting product quality. At the same time, aluminum alloy castings are expensive, increasing overall production costs. Therefore, there is an urgent need for a microwave oven frame assembly that combines aesthetics, low cost, and high stability. Utility Model Content
[0004] The purpose of this invention is to provide an outer frame assembly for a microwave oven, in order to solve the problems of poor decorative properties, high electroplating defect rate, and high cost in the prior art.
[0005] To solve the above-mentioned technical problems, the present invention provides a frame assembly for a microwave oven, including a microwave oven body and a frame assembly fixed to the front of the microwave oven body. The frame assembly is composed of an upper frame of an aluminum profile control box, a lower frame of a control box, a decorative panel, and a lower front panel assembly. The upper frame of the control box and the decorative panel are both provided with insertion positioning grooves on the side closest to the microwave oven body. The upper frame of the control box has an inverted U-shaped structure, and the bottom two sides of the upper frame are inserted and fixed to the two ends of the lower frame to form a control box frame. A glass adhesive plate is provided on the side of the control box frame away from the microwave oven body. The bottom two sides of the upper frame of the control box are inserted and fixed to the decorative panel by fixing pins. The decorative panel is fixedly connected to the microwave oven body at the insertion positioning groove by connecting screws. The inner side of the lower front panel assembly is inserted into the front bottom of the microwave oven body by a fitting positioning pin, and the two sides of the lower front panel assembly abut against the bottom of the decorative panel.
[0006] As a preferred technical solution of this utility model, an upper card plate is provided on the inner side of the upper frame of the control box, and a lower card plate corresponding to the upper card plate is provided on the upper side of the lower frame of the control box. After the upper card plate and the lower card plate are spliced together, they match the shape of the glass adhesive plate, and the inner side of the glass adhesive plate is fixedly connected by nuts at the point where multiple connecting bolts pass through the upper card plate and the lower card plate.
[0007] As a preferred technical solution of this utility model, the bottom of the upper frame of the control box is provided with a guide groove on the side away from the upper plate, and the two ends of the lower frame of the control box are provided with guide sliders corresponding to the guide groove. The lower frame of the control box is slidably spliced with the guide slider and the guide groove to form the frame of the control box. The lower frame of the control box is provided with a reinforcing rib that matches the internal shape of the upper frame of the control box on the side away from the lower plate.
[0008] As a preferred embodiment of this utility model, the bottom of the upper frame of the control box and the top of the decorative panel are provided with fixing holes for insertion with fixing pins.
[0009] As a preferred embodiment of this utility model, the decorative panel is provided with a corresponding countersunk screw hole at the connecting screw location.
[0010] As a preferred technical solution of this utility model, the lower front panel assembly is formed by splicing a panel base and a panel cover, and the bottom of the panel base is fixedly connected to the panel cover by fixing screws.
[0011] As a preferred embodiment of this utility model, the inner side of the panel cover is provided with a magnet, and the locating pins are located at both ends of the panel cover on the side closest to the microwave oven.
[0012] The advantages of this utility model compared with the prior art are as follows:
[0013] 1. The entire outer frame assembly adopts aluminum profile and modular design, which reduces the electroplating defect rate and lowers the production cost. In addition, the aluminum profile outer frame can be colored in a variety of ways, which enhances the appearance of the product and meets the aesthetic needs of modern home furnishings. At the same time, the cost of aluminum profile outer frame is lower than that of aluminum alloy casting, and the cost of replacing aluminum profile outer frame parts is also lower.
[0014] 2. This outer frame assembly is fixed by means of plug-in, screws and pins, thereby enhancing the overall strength and assembly accuracy of the outer frame assembly. Attached Figure Description
[0015] Figure 1 This is a structural diagram of the outer frame assembly for a microwave oven according to the present invention.
[0016] Figure 2 This is an exploded structural diagram of the frame assembly of a microwave oven according to the present invention.
[0017] Figure 3 This utility model relates to a control box frame structure for an outer frame assembly of a microwave oven. Figure 1 .
[0018] Figure 4 This utility model relates to a control box frame structure for an outer frame assembly of a microwave oven. Figure 2 .
[0019] Figure 5 This is an enlarged view of section A of the outer frame assembly for a microwave oven according to this utility model.
[0020] Figure 6 This is a structural diagram of the decorative panel assembly of the outer frame component for a microwave oven according to the present invention.
[0021] Figure 7 This utility model relates to a lower front panel assembly of an outer frame assembly for a microwave oven.
[0022] Figure 8 This is a structural diagram of the lower front panel of the outer frame assembly for a microwave oven according to the present invention.
[0023] As shown in the figure:
[0024] 1. Microwave oven body; 2. Upper frame of control box; 3. Lower frame of control box; 4. Decorative panel; 5. Lower front panel assembly; 6. Insertion positioning groove; 7. Glass adhesive plate; 8. Fixing pin; 9. Connecting screw; 10. Assembly positioning pin; 11. Upper clamping plate; 12. Lower clamping plate; 13. Connecting bolt; 14. Nut; 15. Guide slide; 16. Guide slider; 17. Reinforcing rib; 18. Fixing hole; 19. Countersunk screw hole; 20. Panel base; 21. Panel cover; 22. Fixing screw. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0027] Example 1:
[0028] As per the instruction manual Figure 1-2As shown, a microwave oven frame assembly includes a microwave oven body 1 and a frame assembly fixed to the front of the microwave oven body 1. The frame assembly is composed of an upper frame 2 of an aluminum profile control box, a lower frame 3 of a control box, a decorative panel 4, and a lower front panel assembly 5. The bottom of the upper frame 2 of the control box and the top of the decorative panel 4 are provided with fixing holes 18 for insertion with fixing pins 8. The upper frame 2 of the control box and the decorative panel 4 are provided with insertion positioning grooves 6 on the side closer to the microwave oven.
[0029] As per the instruction manual Figure 3-5 As shown, the upper frame 2 of the control box has an inverted U-shaped structure, and the bottom two sides of the upper frame 2 are inserted and fixed to the two ends of the lower frame 3 of the control box to form the control box frame. A glass adhesive plate 7 is provided on the side of the control box frame away from the microwave oven body 1. An upper retaining plate 11 is provided on the inner side of the upper frame 2 of the control box, and a lower retaining plate 12 corresponding to the upper retaining plate 11 is provided on the upper side of the lower frame 3 of the control box. After the upper retaining plate 11 and the lower retaining plate 12 are spliced together, they match the shape of the glass adhesive plate 7, and the inner side of the glass adhesive plate 7 is located on the side away from the microwave oven body 1. Multiple connecting bolts 13 pass through the upper plate 11 and the lower plate 12 and are fixedly connected by nuts 14. The bottom of the upper frame 2 of the control box is provided with a guide groove 15 on the side away from the upper plate 11, and the two ends of the lower frame 3 of the control box are provided with guide sliders 16 corresponding to the guide groove 15. The lower frame 3 of the control box is slidably spliced with the guide sliders 16 and the guide groove 15 to form the frame of the control box. The lower frame 3 of the control box is provided with a reinforcing rib 17 on the side away from the lower plate 12 that matches the internal shape of the upper frame 2 of the control box.
[0030] As per the instruction manual Figure 5-6 As shown, the bottom sides of the upper frame 2 of the control box are fixed to the decorative panel 4 by fixing pins 8. The decorative panel 4 is fixedly connected to the microwave oven body 1 at the insertion positioning groove 6 by connecting screws 9. The decorative panel 4 is provided with corresponding countersunk screw holes 19 at the connecting screws 9.
[0031] As per the instruction manual Figure 7-8 As shown, the inner side of the lower front panel assembly 5 is inserted into the bottom front of the microwave oven body 1 through the assembly positioning pin 10, and the two sides of the lower front panel assembly 5 abut against the bottom of the decorative panel 4. The lower front panel assembly 5 is assembled by splicing the panel base 20 and the panel cover 21, and the bottom of the panel base 20 is fixedly connected to the panel cover 21 through the fixing screw 22. The inner side of the panel cover 21 is provided with a magnet, and the assembly positioning pin 10 is located at both ends of the panel cover 21 near the microwave oven.
[0032] In its specific implementation, this utility model achieves modular assembly of the outer frame components through plug-in, screw, and pin fixing methods, improving structural stability and installation efficiency, facilitating the assembly of the entire equipment, and making after-sales maintenance and replacement convenient. The control box component serves as both an aesthetic component and, through the glass adhesive plate 7, also functions as a mounting component for the display screen, enhancing the product's appearance. Simultaneously, the use of aluminum profiles reduces production costs and is suitable for the manufacture of outer frames for modern microwave ovens.
[0033] The present invention and its embodiments have been described above. This description is not restrictive, and the specific embodiments shown are only one of the embodiments of the present invention. The actual structure is not limited to this. In short, if a person skilled in the art is inspired by this description and designs a similar structure and embodiment without departing from the inventive spirit of the present invention, such design should fall within the protection scope of the present invention.
Claims
1. An outer frame assembly for a microwave oven, characterized by: Includes a microwave oven body (1) and a frame assembly fixed to the front of the microwave oven body (1); The frame assembly is composed of an upper frame (2) of an aluminum profile control box, a lower frame (3) of a control box, a decorative panel (4) and a lower front panel assembly (5), and the upper frame (2) of the control box and the decorative panel (4) are provided with insertion positioning grooves (6) on the side closer to the microwave oven. The upper frame (2) of the control box is an inverted U-shaped structure, and the bottom two sides of the upper frame (2) of the control box are inserted and fixed to the two ends of the lower frame (3) of the control box to form the control box frame. The control box frame is provided with a glass adhesive plate (7) on the side away from the microwave oven body (1). The bottom sides of the upper frame (2) of the control box are fixed to the decorative panel (4) by fixing pins (8), and the decorative panel (4) is fixedly connected to the microwave oven body (1) by connecting screws (9) at the insertion positioning groove (6). The inner side of the lower front panel assembly (5) is inserted into the front bottom of the microwave oven body (1) via a locating pin (10), and the two sides of the lower front panel assembly (5) abut against the bottom of the decorative panel (4).
2. The outer frame assembly for a microwave oven according to claim 1, characterized in that: The upper frame (2) of the control box is provided with an upper plate (11) on the inner side, and the lower frame (3) of the control box is provided with a lower plate (12) corresponding to the upper plate (11) on the upper side. The upper plate (11) and the lower plate (12) are spliced together to match the shape of the glass adhesive plate (7). The inner side of the glass adhesive plate (7) is fixedly connected by nuts (14) at the point where multiple connecting bolts (13) pass through the upper plate (11) and the lower plate (12).
3. The outer frame assembly for a microwave oven according to claim 2, characterized in that: The bottom of the upper frame (2) of the control box is provided with a guide groove (15) on the side away from the upper plate (11), and the two ends of the lower frame (3) of the control box are provided with guide sliders (16) corresponding to the guide groove (15). The lower frame (3) of the control box is slidably spliced with the guide groove (15) through the guide sliders (16) to form the frame of the control box. The lower frame (3) of the control box is provided with a reinforcing rib (17) on the side away from the lower plate (12) that matches the internal shape of the upper frame (2) of the control box.
4. The outer frame assembly for a microwave oven according to claim 1, characterized in that: The bottom of the upper frame (2) of the control box and the top of the decorative panel (4) are provided with fixing holes (18) for insertion into fixing pins (8).
5. The outer frame assembly for a microwave oven according to claim 1, characterized in that: The decorative panel (4) has a corresponding countersunk screw hole (19) at the connecting screw (9).
6. The outer frame assembly for a microwave oven according to claim 1, characterized in that: The lower front panel assembly (5) is formed by splicing a panel base (20) and a panel cover (21), and the bottom of the panel base (20) is fixedly connected to the panel cover (21) by fixing screws (22).
7. The outer frame assembly for a microwave oven according to claim 6, characterized in that: The inner side of the panel cover (21) is provided with a magnet, and the assembly positioning pin (10) is located at both ends of the panel cover (21) near the microwave oven.