Portable microwave oven

By setting cross beams on the top of the portable microwave oven, the poor reliability problem caused by the unreasonable structure of the existing portable microwave oven is solved, and higher connection strength and impact force transmission are achieved to meet outdoor use needs.

CN222937864UActive Publication Date: 2025-06-03GUANGDONG GALANZ ENTERPRISES CO LTD +1
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Patent Information

Application Number
CN202421796764.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-06-03
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

The structure of the existing portable microwave oven is unreasonable, resulting in poor reliability during handling and movement, especially when it is frequently affected by external impacts.

Method used

A cross beam is installed on the top of the portable microwave oven to increase the connection strength between the top cover plate and the inner liner, and an effective support to the top cover plate is formed through the cross beam to ensure that the impact force can be effectively transmitted to the inner liner when falling.

Benefits of technology

Through the beam setting, the reliability of the portable microwave oven during handling and movement is improved, ensuring that the top cover can withstand weight stably, and effectively conduct impact force when falling, meeting the needs of outdoor use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a portable microwave oven which comprises an inner container provided with a containing cavity used for containing food. The cross beam is fixedly arranged at the top of the inner container, and the cross beam is independently arranged or is formed by extending the inner container; the top cover plate is located above the top of the inner container, and the top cover plate is detachably connected with the inner container and the cross beam. According to the portable microwave oven disclosed by the utility model, the cross beam is arranged at the top, so that the stress of the top cover plate during carrying can be dispersed, and meanwhile, the side plates, the top cover plate and the inner container are connected into a whole, so that the impact force can be conducted to other parts during falling, and the reliability is good during frequent carrying.
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Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, and particularly to a portable microwave oven. Background Art

[0002] With the acceleration of the pace of life, people's lifestyles have become more diverse. Especially for groups such as travelers and outdoor adventurers, they need to quickly heat food in outdoor environments. As a common household kitchen appliance, microwave ovens are usually large in size, heavy in weight and inconvenient to move, which greatly limits their flexibility and portability in use. Therefore, portable microwave ovens have emerged as the times require.

[0003] For the convenience of handling, portable microwave ovens usually have a retractable handle on the top cover. When handling, the upper cover plate needs to bear the full weight of the microwave oven, which puts higher requirements on the assembly strength of the top cover; at the same time, due to the risk of dropping of portable microwave ovens, higher requirements are also put forward for the structural strength of the portable microwave oven itself.

[0004] In view of this, the present utility model is specifically proposed. Summary of the Utility Model

[0005] The problem solved by the present utility model is that the structure of the existing portable microwave oven is unreasonable, resulting in poor reliability during handling and movement, especially under the condition of frequent external impacts.

[0006] To solve the above problems, the present utility model provides a portable microwave oven, including: an inner container, the inner container having a receiving cavity for receiving food; a cross beam, fixedly arranged on the top of the inner container, the cross beam being separately arranged or formed by extending from the inner container; a top cover plate, located above the top of the inner container, the top cover plate being detachably connected to the inner container and the cross beam respectively.

[0007] By arranging a cross beam on the top of the portable microwave oven, the connection strength between the top cover plate and the inner container can be further increased, so that the top cover plate can stably bear the full weight of the microwave oven; at the same time, the cross beam can effectively support the top cover plate, so that the impact force received by the top cover plate can be effectively transmitted to the inner container during falling, meeting the use requirements of the current market and consumers in outdoor scenarios.

[0008] Preferably, the inner container includes a front plate and a rear plate. The upper end of the front plate is provided with a first flanging extending in the horizontal direction, and the upper end of the rear plate is provided with a second flanging extending in the horizontal direction. The two ends of the cross beam are respectively fixedly connected to the first flanging and the second flanging. This setting can make full use of the existing structure of the portable microwave oven, which is convenient for processing and has high assembly efficiency.

[0009] Preferably, the inner container includes a top plate. The first flanging and the second flanging are in the same plane and are disposed higher than the top plate. The bottom of the cross beam abuts against the upper end surface of the top plate. This setting can make full use of the space between the top cover plate and the inner container, and at the same time strengthen the assembly of the top cover plate, with a long service life.

[0010] Preferably, the portable microwave oven further includes a first side cover and a second side cover. The first side cover and the second side cover are located on the left and right sides of the inner container. There are two cross beams which are respectively fixedly connected to the first side cover and the second side cover. This setting can strengthen both sides of the top of the inner container at the same time, making the force on the top cover plate more uniform; the structure is simple and convenient for production and processing.

[0011] Preferably, the cross beam includes a first plate, a connecting plate and a second plate connected in sequence. The first plate and the second plate are respectively located at the lower end and the upper end of the connecting plate and extend away from the connecting plate on one side respectively. The first plate is attached to and connected with the top plate. This setting makes the cross beam fit with the top plate, with a large contact area and easy to disperse the force, and at the same time can provide enough assembly space for the top cover plate, the first side cover or the second side cover.

[0012] Preferably, a recess is provided at one end of the second plate. A first assembly hole is provided in the recess. A mating portion is provided at a position corresponding to the recess on the first flanging or the second flanging. A mating hole is provided in the mating portion. The mating portion and the recess are assembled in a limited way, and the first assembly hole and the mating hole are fixed by screwing. Preferably, recesses are respectively provided at both ends of the second plate for fixedly connecting with the first flanging and the second flanging.

[0013] This setting can increase the contact area between the cross beam and the first flanging and the second flanging, which is beneficial to dispersing the force; at the same time, the recess is used to limit the cross beam in the horizontal direction to achieve the effect of pre-positioning; the first screw can be accommodated in the recess to ensure that the upper surface of the cross beam is flat, which is beneficial to a large contact area and close fitting between the top cover plate and the cross beam.

[0014] Preferably, a plurality of second assembly holes are provided at intervals on the second plate. Fixing columns are provided at positions corresponding to the second assembly holes on the top cover plate. The second assembly holes and the fixing columns are connected by screwing. This setting can disperse the acting force between the top cover plate and the cross beam, which is beneficial to the conduction of the force.

[0015] Preferably, reinforcing ribs are provided on the second plate, and the reinforcing ribs are located between adjacent second assembly holes. This setting can further strengthen the second plate, and at the same time increase the ability of the second plate to resist deformation and make the stress evenly distributed, reducing the risk of cracks or fractures caused by concentrated stress, and meeting the use requirements of the portable microwave oven.

[0016] Preferably, a side flanging is provided on the side of the second plate away from the connecting plate, and the side flanging extends downward partially to form an ear plate for fixedly assembling with the first side cover or the second side cover. This setting can not only form a limit support for the assembly of the first side cover or the second side cover, with strong impact resistance; at the same time, it is fixedly assembled through the ear plate, improving the assembly tightness of the first side cover and the second side cover.

[0017] Preferably, at least one weight-reducing hole is provided on the connecting plate, and mounting holes are provided on both sides of the weight-reducing hole. This setting can take into account both the weight and mechanical strength in the cross beam, and at the same time make full use of the space occupied by the cross beam to provide a mounting position for other components.

[0018] Compared with the prior art, the portable microwave oven of the present invention has the following beneficial effects: 1) By providing a cross beam at the top, the force on the top cover plate during handling can be dispersed, and the side plates, the top cover plate and the inner liner are integrally connected, so that the impact force received during dropping can be conducted to other components, making the portable microwave oven have good reliability during frequent handling; 2) The cross beam can be used to support the flanging of the inner liner to avoid bending and deforming under frequent stress; 3) The structure is simple and convenient for production and processing. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the portable microwave oven according to an embodiment of the present invention;

[0020] Figure 2 It is an exploded view of the portable microwave oven according to an embodiment of the present invention;

[0021] Figure 3 It is an assembly schematic diagram of the cross beam and the furnace cavity according to an embodiment of the present invention;

[0022] Figure 4 It is a schematic structural diagram of the inner liner according to an embodiment of the present invention;

[0023] Figure 5 It is a schematic structural diagram of the top cover plate according to an embodiment of the present invention;

[0024] Figure 6 It is a schematic structural diagram of the cross beam according to an embodiment of the present invention;

[0025] Figure 7 It is another perspective view of the cross beam according to an embodiment of the present invention.

[0026] Description of the Reference Numerals:

[0027] 1 - Inner liner; 11 - Front plate; 111 - First flanging; 112 - Fitting part; 113 - First card slot; 12 - Rear plate; 121 - Second flanging; 122 - Second card slot; 13 - Top plate; 2 - Top cover plate; 21 - Handle; 22 - Button area; 23 - Fixed column; 24 - First hook; 25 - Second hook; 26 - First fixing hole; 3 - Cross beam; 31 - First plate; 311 - Connection hole; 32 - Second plate; 321 - Depression; 322 - First assembly hole; 323 - Second assembly hole; 324 - Side flanging; 325 - Ear plate; 326 - Reinforcing rib; 327 - First screw; 33 - Connecting plate; 331 - Weight reduction hole; 332 - Mounting hole; 4 - First side cover; 5 - Second side cover; 6 - Thermal cut-off; 7 - Rear cover; 8 - Base; 9 - Door assembly; 10 - Air inlet grille. Detailed implementation manner

[0028] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model is made with reference to the accompanying drawings. On the premise of no conflict, the technical features of the embodiments of the present utility model can be combined with each other.

[0029] The following will use the terms that those skilled in the art usually use to convey the essence of their work to other technicians in the art to describe the inventive concept of the present disclosure. However, these inventive concepts can be embodied in many different forms and should not be considered limited to the embodiments described herein.

[0030] It should be noted that, on the premise of no conflict, the embodiments and the features of the embodiments in the present utility model can be combined with each other. The orientation terms in this application, such as "upper, lower, top, bottom, vertical direction", etc., are all based on the coordinates in the attached Figure 1 drawings.

[0031] As Figures 1-7 shown, a portable microwave oven includes:

[0032] An inner liner 1, the inner liner 1 having a receiving cavity for receiving food;

[0033] A cross beam 3, fixedly arranged on the top of the inner liner 1, the cross beam 3 being separately arranged or formed by extending from the inner liner 1;

[0034] A top cover plate 2, located above the top of the inner liner 1, the top cover plate 2 being detachably connected to the inner liner 1 and the cross beam 3 respectively.

[0035] By providing a cross beam 3 on the top of the portable microwave oven, the connection strength between the top cover plate 2 and the inner container 1 can be further increased, enabling the top cover plate 2 to stably bear the entire weight of the microwave oven. At the same time, the cross beam 3 can effectively support the top cover plate 2, so that the impact force received by the top cover plate 2 can be effectively transmitted to the inner container 1 during a fall, meeting the usage requirements of the current market and consumers in outdoor scenarios. As an example of the present invention, the cross beam 3 can be a separately provided structural member, or can be formed by extending and bending the top plate 13 or side plates of the inner container 1.

[0036] As an example of the present utility model, the portable microwave oven further includes a base 8. An electrical cavity is formed between the base 8 and the inner container 1, and components such as a magnetron, a frequency conversion board, a circuit board, and a blower are arranged in the electrical cavity. The specific structure and assembly relationship are prior art and will not be elaborated here. Preferably, the portable microwave oven further includes a door assembly 9 and an air inlet grille 10. The door assembly 9 is located on the front side of the inner container 1 and is used to open or close the accommodation cavity. The air inlet grille 10 is located below the door assembly 9 and is used to convey air into the electrical cavity.

[0037] Preferably, the portable microwave oven further includes a rear cover 7, a first side cover 4, and a second side cover 5. The first side cover 4 and the second side cover 5 are located on the left and right sides of the inner container 1, and the rear cover 7 is located on the rear side of the inner container 1. The top cover plate 2, the first side cover 4, the second side cover 5, the rear cover 7, the door assembly 9, the air inlet grille 10, and the base 8 together form the outer surface of the portable microwave oven.

[0038] Preferably, there are two cross beams 3, which are respectively located on the left and right sides of the inner container 1 and extend in the front-rear direction. This setting can strengthen both sides of the top of the inner container 1 at the same time, making the force on the top cover plate 2 more uniform; the structure is simple and convenient for production and processing.

[0039] As an example of the present utility model, the lower ends of the first side cover 4 and the second side cover 5 are assembled with the base 8 in a limited way, and the upper ends of the first side cover 4 and the second side cover 5 are respectively detachably connected to one of the two cross beams 3. This setting can fix the first side cover 4, the top cover plate 2, and the inner container 1 simultaneously through the cross beam 3, improving the overall strength of the portable microwave oven.

[0040] As an example of the present utility model, the inner container 1 includes a front plate 11 and a rear plate 12. The upper end of the front plate 11 is provided with a first flanging 111 extending in the horizontal direction, and the upper end of the rear plate 12 is provided with a second flanging 121 extending in the horizontal direction. The two ends of the cross beam 3 are respectively fixedly connected to the first flanging 111 and the second flanging 121. This setting can make full use of the existing structure of the portable microwave oven and is convenient for assembly.

[0041] Preferably, the inner container 1 includes a top plate 13. The first flanging 111 and the second flanging 121 are arranged higher than the top plate 13, and the bottom of the cross beam 3 abuts against the upper end surface of the top plate 13. This setting can make full use of the space between the top cover plate 2 and the inner container 1, and at the same time strengthen the assembly of the top cover plate 2, with a long service life.

[0042] As an example of the present utility model, the top cover plate 2 is provided with a groove, and a handle 21 is arranged in the groove. The handle 21 includes a handle member and a handle slide rail. The handle slide rail is connected to the bottom wall of the groove, and the handle member is connected to the handle slide rail in a manner that can move relative to the handle slide rail in the vertical direction. This setting improves the convenience and practicality of the portable microwave oven. When the handle 21 is not in use, the handle structure will not protrude outside the microwave oven, avoiding bumps between the handle 21 and external objects, and also saving a certain amount of space.

[0043] The top cover plate 2 is provided with a key area 22 near the door assembly 9, such as control structures like the adjustment knobs and buttons of a conventional microwave oven, a display screen, an indicator light, etc. When the portable microwave oven is lifted, since the key area 22 is relatively close to the edge of the top cover plate 2, it effectively avoids unnecessary forces generated between the top cover plate 2 due to slight deformation and the key area 22, ensuring the safety performance of the use of the microwave oven and its related electronic control components.

[0044] Preferably, a first hook 24 is arranged on one side of the top cover plate 2, and a first slot 113 is arranged at a position corresponding to the first hook 24 on the front plate 11. The first hook 24 can be limited and assembled into the first slot 113.

[0045] At least two second hooks 25 are arranged on the side of the top cover plate 2 away from the first hook 24. Second slots 122 are arranged at positions corresponding to the second hooks 25 on the rear plate 12. The second hooks 25 can be limited and assembled into the second slots 122. A first fixing hole 26 is arranged between adjacent second hooks 25 for screwing and assembling with the rear plate 12. This setting can take into account both the connection strength and the assembly efficiency between the top cover plate 2 and the inner container 1.

[0046] As an example of the present utility model, the cross beam 3 includes a first plate 31, a connecting plate 33, and a second plate 32 connected in sequence. The first plate 31 and the second plate 32 are respectively located at the lower end and the upper end of the connecting plate 33 and extend away from the connecting plate 33 on one side respectively. The first plate 31 is in abutting connection with the top plate 13. This setting makes the cross beam 3 fit with the top plate 13, and at the same time can provide sufficient assembly space for the top cover plate 2, the first side cover 4 or the second side cover 5.

[0047] Preferably, a recess 321 is provided at the end of the second plate 32. A first assembly hole 322 is provided in the recess 321. A mating portion 112 is provided at a position corresponding to the recess 321 on the first flanging 111 or the second flanging 121. A mating hole is provided in the mating portion 112. The mating portion 112 is in limiting abutment with the recess 321. The first assembly hole 322 and the mating hole are fixed by screwing.

[0048] This setting can increase the contact area between the cross beam 3 and the first flanging 111 and the second flanging 121, which is beneficial to dispersing the force; at the same time, the recess 321 is used to limit the cross beam 3 in the horizontal direction to achieve the effect of pre-positioning; the first screw 327 can be accommodated in the recess 321 to ensure that the upper surface of the cross beam 3 is flat, which is beneficial to a large contact area and close fitting between the top cover plate 2 and the cross beam 3.

[0049] Preferably, a plurality of second assembly holes 323 are provided at intervals on the second plate 32. A reinforcing rib 326 is provided between adjacent second assembly holes 323. Fixing posts 23 are provided at positions corresponding to the second assembly holes 323 on the top cover plate 2. The second assembly holes 323 and the fixing posts 23 are connected by screwing. This setting makes full use of the self-structure of the cross beam 3, and at the same time, the second plate 32 can be further strengthened by the reinforcing rib 326 to meet the use requirements of the portable microwave oven.

[0050] Preferably, a side flanging 324 is provided on the side of the second plate 32 away from the connecting plate 33. The side flanging 324 partially extends downward to form an ear plate 325 for fixedly assembling with the first side cover 4 or the second side cover 5. This setting can use the side flanging 324 to form a limit support for the assembly of the first side cover 4 and the second side cover 5, and at the same time, fix and assemble them through the ear plate 325, improving the impact resistance of the first side cover 4 and the second side cover 5.

[0051] Preferably, a connection hole 311 is provided on the first plate 31 for fixedly connecting with the edge of the top plate 13. This setting can further improve the connection strength between the cross beam 3 and the inner container 1 and prevent the lower part of the cross beam 3 from moving left and right, affecting its assembly stability. Preferably, at least one weight-reducing hole 331 is provided on the connecting plate 33. Mounting holes 332 are provided on both sides of the weight-reducing hole 331 for fixedly assembling the thermal cut-off 6. This setting can balance the weight and mechanical strength of the cross beam 3 and at the same time provide a mounting position for other components.

[0052] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims.

Claims

1. A portable microwave oven, characterized in that: include: An inner container (1), wherein the inner container (1) has a receiving cavity for receiving food; A crossbeam (3) fixedly arranged on the top of the inner liner (1), wherein the crossbeam (3) is arranged separately or is formed by extending from the inner liner (1); A top cover plate (2) is located above the top of the inner liner (1), and the top cover plate (2) is detachably connected to the inner liner (1) and the cross beam (3).

2. The portable microwave oven according to claim 1, characterized in that: The inner liner (1) comprises a front plate (11) and a rear plate (12); the upper end of the front plate (11) is provided with a first flange (111) extending in a horizontal direction; the upper end of the rear plate (12) is provided with a second flange (121) extending in a horizontal direction; and the two ends of the crossbeam (3) are fixedly connected to the first flange (111) and the second flange (121), respectively.

3. The portable microwave oven according to claim 2, characterized in that: The inner liner (1) comprises a top plate (13), the first flange (111) and the second flange (121) are located in the same plane and are arranged higher than the top plate (13), and the bottom of the cross beam (3) abuts against the upper end surface of the top plate (13).

4. The portable microwave oven according to claim 1, characterized in that: The portable microwave oven further comprises a first side cover (4) and a second side cover (5), wherein the first side cover (4) and the second side cover (5) are located on the left and right sides of the inner pot (1), and there are two cross beams (3) which are respectively fixedly connected to the first side cover (4) and the second side cover (5).

5. The portable microwave oven according to any one of claims 1 to 4, characterized in that: The crossbeam (3) comprises a first plate (31), a connecting plate (33), and a second plate (32) which are connected in sequence; the first plate (31) and the second plate (32) are respectively located at the lower end and the upper end of the connecting plate (33) and respectively extend to a side away from the connecting plate (33); the first plate (31) is closely connected to the top plate (13).

6. The portable microwave oven according to claim 5, characterized in that: A recessed portion (321) is provided at one end of the second plate (32), a first assembly hole (322) is provided in the recessed portion (321), a matching portion (112) is provided on the first flange (111) or the second flange (121) at a position corresponding to the recessed portion (321), a matching hole is provided in the matching portion (112), the matching portion (112) and the recessed portion (321) are limitedly assembled, and the first assembly hole (322) and the matching hole are fixed by screw connection.

7. The portable microwave oven according to claim 6, characterized in that: A plurality of second assembly holes (323) are arranged at intervals on the second plate (32); a fixing column (23) is arranged at a position of the top cover plate (2) corresponding to the second assembly hole (323); and the second assembly hole (323) and the fixing column (23) are screwed together.

8. The portable microwave oven according to claim 7, characterized in that: A reinforcing rib (326) is provided on the second plate (32), and the reinforcing rib (326) is located between adjacent second assembly holes (323).

9. The portable microwave oven according to claim 8, characterized in that: The second plate (32) is provided with a side flange (324) on a side away from the connecting plate (33), and a portion of the side flange (324) extends downward to form an ear plate (325) for fixed assembly with the first side cover (4) or the second side cover (5).

10. The portable microwave oven according to claim 5, characterized in that: The connecting plate (33) is provided with at least one weight-reducing hole (331), and mounting holes (332) are provided on both sides of the weight-reducing hole (331).