Microwave oven bottom plate structure free of screw installation

Abstract

The utility model relates to the technical field of microwave oven bottom plate installation, and discloses a microwave oven bottom plate structure free of screw installation, which comprises a microwave oven body, a switch assembly for protection is rotatably connected in the front end of the microwave oven body, and fixing columns are fixedly connected in the four corners of the bottom end of the microwave oven body. A sliding rod is slidably connected to the inner wall of the top end of the fixing column, a sliding disc is fixedly connected to the outer top end of the sliding rod, the sliding rod is sleeved with a strong spring, a cavity is formed in the top end of the fixing column, and a limiting disc is fixedly connected to the bottom end of the sliding rod. According to the microwave oven, the production efficiency in the production process is improved, the situation that the rolling ball is separated from the limit due to accidental touch of the pressing block in the normal use process of the microwave oven, so that the bottom plate is accidentally loosened or falls off can be effectively prevented, and the controllability of maintenance operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of microwave oven bottom plate installation, in particular to a microwave oven bottom plate structure with screw-free installation. Background Art

[0002] The microwave oven bottom plate is a key component at the bottom of the microwave oven. It is usually a plate-like structure with specific structures and functions. Its shape generally adapts to the contour of the bottom of the microwave oven, and is commonly rectangular or square. In terms of size, it should be able to cover the effective area of the bottom of the microwave oven to provide sufficient support and functional areas. During the large-scale production of microwave ovens, traditional screw installation takes a lot of time to tighten each screw. The screw-free installation structure can quickly combine the bottom plate with other components, reducing the assembly process and thus improving production efficiency.

[0003] In the prior art, some microwave oven bottom plates are usually used to support the microwave oven. During the production of microwave ovens, there is a process of installing the bottom plate on the microwave oven bottom. However, most of them are installed by screws. This not only requires cumbersome operations with tools, but also increases the installation time due to the cumbersome operation, reducing the overall production efficiency. Moreover, it is not convenient for maintenance. In addition, the screw installation will expose screw heads on the appearance of the microwave oven, making the overall appearance of the microwave oven less beautiful, reducing the requirements of consumers for the simplicity and refinement of the home appliance appearance, and thus affecting the competitiveness of the product in the market. Therefore, in view of the above deficiencies, a microwave oven bottom plate structure with screw-free installation is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a microwave oven bottom plate structure with screw-free installation is proposed, aiming to improve the problems in the prior art that when installing the bottom plate with screws, it not only reduces production efficiency and is inconvenient for maintenance, but also affects the competitiveness of the product in the market due to the lack of beauty in appearance.

[0005] To achieve the above object, the present utility model provides the following technical solution: A microwave oven bottom plate structure without screw installation, including a microwave oven body. Inside the front end of the microwave oven body, there is a rotatably connected switch assembly for protection. At the four corners inside the bottom end of the microwave oven body, there are fixedly connected fixing columns. Inside the top end inner wall of the fixing column, there is a slidably connected sliding rod. Outside the sliding rod, there is a fixedly connected sliding disk. A strong spring is sleeved outside the sliding rod. Inside the top end of the fixing column, there is a chamber. At the bottom end of the sliding rod, there is a fixedly connected limiting disk. At the bottom end of the limiting disk, there is a fixedly connected sliding column. At the bottom end outside the sliding column, there is a fixedly connected landslide. At the bottom end outside the sliding column, there is an annular groove. At the bottom end of the sliding column, there is a fixedly connected pressing disk. Outside the inner wall of the fixing column, there is a movably connected rolling ball. At the bottom end of the microwave oven body, there is a fixedly connected bottom plate;

[0006] Specifically, the microwave oven body is the main part. Inside its front end, there is a rotatably connected switch assembly for protection to realize the opening and closing operation of the microwave oven and prevent microwave leakage. At the four corners inside the bottom end of the microwave oven body, there are fixedly connected fixing columns. Inside the top end inner wall of the fixing column, there is a slidably connected sliding rod. The sliding disk fixedly connected outside the sliding rod cooperates with the strong spring sleeved outside the sliding rod. One end of the strong spring is connected to the sliding disk, and the other end is connected to the bottom end inside the chamber opened inside the top end of the fixing column. When the sliding rod moves up and down, it will drive the sliding disk to move inside the chamber and cause the strong spring to expand and contract. The limiting disk fixedly connected to the bottom end of the sliding rod is slidably connected inside the fixing column. The sliding column fixedly connected to the bottom end of the limiting disk moves along with the limiting disk. The landslide and the annular groove fixedly connected to the bottom end outside the sliding column cooperate with the rolling ball movably connected to the outside inner wall of the fixing column. When pressing the pressing disk fixedly connected to the bottom end of the sliding column, the sliding column moves upward, and the landslide causes the rolling ball to slide into the annular groove, thereby changing the limiting state of the rolling ball on the bottom plate fixedly connected to the bottom end of the microwave oven body and realizing the screw-free installation and disassembly operation of the bottom plate.

[0007] Further, at the four corners of the bottom end of the bottom plate, there are fixedly connected gaskets. At the bottom end of the microwave oven body, there is a fixedly connected heat sink. At the bottom end of the bottom plate, there are opened a plurality of heat dissipation holes. Outside the bottom end of the fixing column, there is a threadedly connected support leg;

[0008] Specifically, the gaskets fixedly connected to the four corners of the bottom end of the bottom plate cooperate with the support legs externally threaded to the bottom end of the fixed columns. The top end of the support legs contacts the bottom end of the gaskets, providing stable support for the entire structure and dispersing pressure. The heat sinks fixedly connected to the bottom end of the microwave oven body cooperate with the bottom plate. The heat sinks contact the inner part of the top end of the bottom plate, and can effectively conduct the heat generated inside the microwave oven to the bottom plate. The multiple heat dissipation holes opened at the bottom end of the bottom plate cooperate with the heat sinks, so that after the heat is conducted to the bottom plate through the heat sinks, it can be dissipated through the heat dissipation holes. The support legs at the bottom end of the fixed columns, and the cooperation of these components achieve multiple functions such as stable structure, good heat dissipation, and stable placement.

[0009] Further, the switch assembly includes a switch door, the outside of which is rotatably connected to the inner part of the front side of the microwave oven body, and a handle is fixedly connected to the front side of the switch door;

[0010] Specifically, the outside of the switch door is rotatably connected to the inner part of the front side of the microwave oven body. This way of rotational connection enables the switch door to rotate flexibly on the microwave oven body around a specific axis, thereby realizing the opening and closing operation of the internal space of the microwave oven. And a handle is fixedly connected to the front side of the switch door. The handle provides a convenient part for the user to apply force. When the user holds the handle and applies an external force, the force is transmitted to the switch door through the handle, enabling the switch door to rotate around its rotational connection point with the microwave oven body, and then smoothly opening or closing the microwave oven. The cooperation between these components not only ensures the normal use of the microwave oven, but also realizes the effective protection of the internal structure and microwave environment of the microwave oven.

[0011] Further, the outside of the sliding disk is rotatably connected to the inside of the chamber, and the outside of the limiting disk is slidably connected to the inside of the fixed column;

[0012] Specifically, the outside of the sliding disk is rotatably connected to the inside of the chamber so as to rotate flexibly to adapt to the change of force when related components move, and the outside of the limiting disk is slidably connected to the inside of the fixed column so as to slide precisely along a fixed direction.

[0013] Further, one end of the strong spring is fixedly connected to the bottom end of the sliding disk, and the other end of the strong spring is fixedly connected to the inner bottom end of the chamber;

[0014] Specifically, one end of the strong spring is fixed to the bottom end of the sliding disk, and the other end is fixed to the inner bottom end of the chamber. When the sliding disk moves up and down in the chamber due to the linkage of other components, the strong spring stores or releases energy through its own expansion and contraction characteristics. In this process, its fixed connections to the sliding disk and the inner bottom end of the chamber at both ends ensure the transmission of force and the maintenance of the movement state of the entire structure.

[0015] Further, the outer part of the rolling ball is in contact with the outer part of the sliding column, and the outer part of the rolling ball is in contact with the outer part of the landslide;

[0016] Specifically, the outer part of the rolling ball is in contact with the outer part of the sliding column and the outer part of the landslide. When the pressing disk connected to the bottom end of the sliding column is pressed to move the sliding column upward, the landslide moves upward accordingly. Relying on the contact relationship between the rolling ball and the sliding column and the landslide, the rolling ball changes its position under the guidance of the inclined plane of the landslide, so as to cooperate with other components to change the limiting state of the bottom plate.

[0017] Further, the outer part of the rolling ball is slidably connected to the inside of the annular groove, and the outer part of the pressing disk is slidably connected to the inside of the bottom end of the fixed column;

[0018] Specifically, the outer part of the pressing disk is slidably connected to the inside of the bottom end of the fixed column. When the pressing disk is pressed, the components connected to it will produce a linkage. Among them, the landslide at the bottom end of the sliding column will drive the rolling ball in contact with its outside to move. The outer part of the rolling ball is slidably connected to the inside of the annular groove, so that the rolling ball can slide into the annular groove under the operation of pressing the pressing disk, and then realize the cooperation between components to change the limiting state of the bottom plate and other functions.

[0019] Further, the top end of the support leg is in contact with the bottom end of the gasket, and the outer part of the heat sink is in contact with the inside of the top end of the bottom plate;

[0020] Specifically, the top end of the support leg is in contact with the bottom end of the gasket. This contact relationship enables the support leg to provide a stable supporting force for the bottom plate with the gasket. At the same time, the outer part of the heat sink is in contact with the inside of the top end of the bottom plate, so that the heat generated during the operation of the microwave oven body can be conducted to the bottom plate through the heat sink. The two cooperate with each other to effectively conduct and dissipate heat on the basis of ensuring the stable structure of the microwave oven.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by pressing the pressing disk, the rolling ball can slide into the annular groove through the landslide, so that the bottom plate is not limited by the rolling ball, thus facilitating the removal or installation of the bottom plate. The operation process is simple and efficient, which helps to improve the production efficiency in the production process. And by covering the pressing block with the support leg, external factors are difficult to affect its state, which can effectively prevent the rolling ball from getting out of the limit due to accidental touching of the pressing block during the normal use of the microwave oven, thus preventing the accidental loosening or falling off of the bottom plate, and increasing the controllability of the maintenance operation.

[0023] 2. In the present utility model, the distance between the microwave oven and the ground is increased through the support legs. This space cooperates with the heat dissipation holes and heat sinks, creating more favorable conditions for air circulation. Cold air can enter from the bottom, absorb heat through the heat sinks, and then be discharged through the heat dissipation holes, forming a good air convection cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A perspective view of a screw - free installation microwave oven bottom plate structure proposed by the present utility model;

[0025] Figure 2 A schematic diagram of the fixing post structure of a screw - free installation microwave oven bottom plate structure proposed by the present utility model;

[0026] Figure 3 A schematic diagram of the structural disassembly of a screw - free installation microwave oven bottom plate structure proposed by the present utility model;

[0027] Figure 4 is Figure 3 an enlarged view of part A in

[0028] Figure 5 A bottom - view schematic diagram of a screw - free installation microwave oven bottom plate structure proposed by the present utility model.

[0029] LEGEND DESCRIPTION:

[0030] 1. Microwave oven body; 2. Switch door; 3. Handle; 4. Fixing post; 5. Sliding rod; 6. Sliding disk; 7. Strong spring; 8. Chamber; 9. Limiting disk; 10. Sliding post; 11. Landslide; 12. Annular groove; 13. Pressing disk; 14. Rolling ball; 15. Bottom plate; 16. Gasket; 17. Heat sink; 18. Heat dissipation hole; 19. Support leg. SPECIFIC EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Refer to Figures 1 to 3, an embodiment provided by the present utility model: a microwave oven bottom plate structure without screw installation, including a microwave oven body 1. The microwave oven body 1 in this structure is the core part of the whole device. Inside the front end of the microwave oven body 1, there is a switch assembly for protection rotatably connected. The outer part of the switch door 2 in this switch assembly is rotatably connected inside the front side of the microwave oven body 1. This rotational connection method enables the switch door 2 to be opened and closed flexibly, facilitating the user to put food into or take food out of the microwave oven interior and effectively preventing microwave leakage. A handle 3 is fixedly connected to the front side of the switch door 2. The handle 3 provides a convenient force application part for the user. The user applies an external force by holding the handle 3, thereby driving the switch door 2 to rotate around its rotational connection with the microwave oven body 1;

[0033] Inside the four corners at the bottom end of the microwave oven body 1, there are fixed columns 4 fixedly connected. These fixed columns 4 provide stable support points for the whole structure and are evenly distributed at the four corners to make the force more balanced. The inner wall of the top end of the fixed column 4 is slidably connected with a sliding rod 5. This sliding connection enables the sliding rod 5 to slide smoothly up and down on the inner wall of the top end of the fixed column 4. An outer sliding disk 6 is fixedly connected to the sliding rod 5. This connection method between the sliding disk 6 and the sliding rod 5 ensures that they can move as a whole. A strong spring 7 is sleeved on the outer part of the sliding rod 5. A chamber 8 is opened inside the top end of the fixed column 4. One end of the strong spring 7 is fixedly connected to the bottom end of the sliding disk 6, and the other end is fixedly connected to the inner bottom end of the chamber 8. When the sliding rod 5 slides up and down, the sliding disk 6 will move accordingly, thereby driving the strong spring 7 to stretch and contract. The strong spring 7 plays a role in storing and releasing energy in this process, helping to maintain the relative position relationship between the components. The outer part of the sliding disk 6 is rotatably connected inside the chamber 8. This rotational connection enables the sliding disk 6 to not only move up and down with the sliding rod 5 inside the chamber 8 but also rotate. This rotational characteristic can better adapt to the force transmission and change between the components during the movement of the whole structure, ensuring the stability of the structure;

[0034] The bottom end of the sliding rod 5 is fixedly connected with a limit disk 9. The connection between the limit disk 9 and the sliding rod 5 ensures their synchronism during movement. The outside of the limit disk 9 is slidably connected inside the fixed column 4. This sliding connection restricts the limit disk 9 to only slide up and down inside the fixed column 4, and the internal structure of the fixed column 4 provides precise guidance for the sliding of the limit disk 9, ensuring that the limit disk 9 moves in accordance with a predetermined direction and trajectory. The bottom end of the limit disk 9 is fixedly connected with a sliding column 10. When the limit disk 9 slides up and down, the sliding column 10 will move synchronously, transmitting the movement of the limit disk 9 to the components further below. The outer bottom end of the sliding column 10 is fixedly connected with a landslide 11, and an annular groove 12 is provided at the outer bottom end of the sliding column 10. The bottom end of the sliding column 10 is also fixedly connected with a pressing disk 13. The outside of the pressing disk 13 is slidably connected inside the bottom end of the fixed column 4. This sliding connection enables the pressing disk 13 to perform a sliding operation inside the bottom end of the fixed column 4;

[0035] The outer inner wall of the fixed column 4 is movably connected with a rolling ball 14. The outside of the rolling ball 14 is in contact with the outside of the sliding column 10 and also with the outside of the landslide 11. When the pressing disk 13 is pressed, the pressing disk 13 will push the sliding column 10 upward. During the upward movement of the sliding column 10, the landslide 11 also moves upward. Due to the contact relationship between the rolling ball 14 and the outside of the landslide 11 and the sliding column 10, the rolling ball 14 will move under the guidance of the inclined surface of the landslide 11 and finally be slidably connected inside the annular groove 12. The bottom end of the microwave oven body 1 is fixedly connected with a bottom plate 15.

[0036] Referring to Figure Figure 3 、 Figure 4 and Figure 5 , gaskets 16 are fixedly connected to the four corners of the bottom end of the bottom plate 15. These gaskets 16 can play a role in buffering, dispersing pressure, and protecting the bottom plate 15. The bottom end of the microwave oven body 1 is fixedly connected with heat sinks 17. The outside of the heat sinks 17 is in contact with the inside of the top end of the bottom plate 15. This contact method enables the heat generated during the operation of the microwave oven to be effectively conducted to the heat sinks 17 and then conducted to the bottom plate 15 through the heat sinks 17. A plurality of heat dissipation holes 18 are provided at the bottom end of the bottom plate 15. These heat dissipation holes 18 cooperate with the heat sinks 17. After the heat is conducted from the heat sinks 17 to the bottom plate 15, it can be dissipated through the heat dissipation holes 18, thereby realizing the heat dissipation function of the microwave oven. The outer bottom end of the fixed column 4 is threadedly connected with a support leg 19. This threaded connection method facilitates the installation and disassembly of the support leg 19. The top end of the support leg 19 is in contact with the bottom end of the gasket 16. The support leg 19 provides an additional support height for the entire microwave oven and evenly disperses the weight of the microwave oven through contact with the gasket 16.

[0037] Working principle: When the microwave oven is in normal use, the opening and closing door 2 can be driven by the handle 3 to rotate inside the front side of the microwave oven body 1, realizing the opening and closing operations of the microwave oven.

[0038] When the bottom plate 15 needs to be disassembled, the support leg 19 needs to be operated first. Since the support leg 19 is threadedly connected to the outer bottom end of the fixed column 4, turn the support leg 19 to remove it from the fixed column 4. At this time, press the pressing plate 13. The pressing of the pressing plate 13 will drive the sliding column 10 to move upward. The upward movement of the sliding column 10 causes the landslide 11 at its outer bottom end to move upward accordingly. The rolling ball 14 was originally in contact with the landslide 11 and located between the inner wall of the outer part of the fixed column 4 and the outer part of the sliding column 10. As the landslide 11 moves upward, the rolling ball 14 will slide along the landslide 11 and finally slide into the annular groove 12.

[0039] The upward movement of the sliding column 10 will drive the limit plate 9 at its top to slide upward together. The sliding of the limit plate 9 drives the sliding rod 5 to slide upward on the inner wall of the top end of the fixed column 4. The upward sliding of the sliding rod 5 causes the sliding plate 6 at its top to slide upward inside the chamber 8. The sliding of the sliding plate 6 will compress the strong spring 7. One end of the strong spring 7 is fixed to the bottom end of the sliding plate 6, and the other end is fixed to the inner bottom end of the chamber 8. When the rolling ball 14 enters the annular groove 12, the bottom plate 15 is no longer limited by the rolling ball 14, so that the bottom plate 15 can be easily removed.

[0040] When the microwave oven is working normally, the heat generated inside it will be conducted to the heat sink 17 in contact with the inner top end of the bottom plate 15. At the same time, the support leg 19 increases the distance between the microwave oven body 1 and the ground, and the outside cold air can enter from the bottom. After passing through the heat sink 17 to absorb heat, the heat is then discharged through the multiple heat dissipation holes 18 opened at the bottom end of the bottom plate 15. In this way, a good air convection cycle is formed, which helps the heat dissipation of the microwave oven.

[0041] In daily use, the top end of the support leg 19 is in contact with the bottom end of the gasket 16, and the support leg 19 covers the pressing plate 13 and other related components, which can prevent external factors from accidentally affecting the pressing plate 13 and avoid the situation that the rolling ball 14 breaks away from the limit due to accidental touching of the pressing plate 13 during normal use, resulting in accidental loosening or falling off of the bottom plate 15.

[0042] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A screw-free installation structure for the bottom plate of a microwave oven, comprising a microwave oven body (1), characterized in that: Inside the front end of the microwave oven body (1), there is a switch assembly for protection rotatably connected. At the four corners inside the bottom end of the microwave oven body (1), there are fixed columns (4) fixedly connected. Inside the top end inner wall of the fixed column (4), there is a sliding rod (5) slidably connected. Outside the sliding rod (5), there is a sliding disk (6) fixedly connected. Outside the sliding rod (5), there is a strong spring (7) sleeved. Inside the top end of the fixed column (4), there is a chamber (8). At the bottom end of the sliding rod (5), there is a limit disk (9) fixedly connected. At the bottom end of the limit disk (9), there is a sliding column (10) fixedly connected. At the outer bottom end of the sliding column (10), there is a landslide (11) fixedly connected. At the outer bottom end of the sliding column (10), there is an annular groove (12) opened. At the bottom end of the sliding column (10), there is a pressing disk (13) fixedly connected. On the outer inner wall of the fixed column (4), there is a rolling ball (14) movably connected. At the bottom end of the microwave oven body (1), there is a bottom plate (15) fixedly connected.

2. The structure of the microwave oven bottom plate without screw installation according to claim 1, characterized in that: At the four corners of the bottom end of the bottom plate (15), there are gaskets (16) fixedly connected. At the bottom end of the microwave oven body (1), there is a heat sink (17) fixedly connected. At the bottom end of the bottom plate (15), there are a plurality of heat dissipation holes (18) opened. At the outer bottom end of the fixed column (4), there is a support leg (19) threadedly connected.

3. The structure of the microwave oven bottom plate with screw-free installation according to claim 1, characterized in that: The switch assembly includes a switch door (2), and the outside of the switch door (2) is rotatably connected inside the front side of the microwave oven body (1). On the front side of the switch door (2), there is a handle (3) fixedly connected.

4. A screw-free installation microwave oven bottom plate structure according to claim 1, characterized in that: The outside of the sliding disk (6) is rotatably connected inside the chamber (8). The outside of the limit disk (9) is slidably connected inside the fixed column (4).

5. The structure of the microwave oven bottom plate with screwless installation according to claim 1, characterized in that: One end of the strong spring (7) is fixedly connected to the bottom end of the sliding disk (6), and the other end of the strong spring (7) is fixedly connected to the inner bottom end of the chamber (8).

6. The structure of the microwave oven bottom plate with screw-free installation according to claim 1, characterized in that: The outside of the rolling ball (14) is in contact with the outside of the sliding column (10), and the outside of the rolling ball (14) is in contact with the outside of the landslide (11).

7. A screw-free installation microwave oven bottom plate structure according to claim 1, characterized in that: The outside of the rolling ball (14) is slidably connected inside the annular groove (12), and the outside of the pressing disk (13) is slidably connected inside the bottom end of the fixed column (4).

8. The structure of the microwave oven bottom plate with screwless installation according to claim 2, characterized in that: The top end of the support leg (19) is in contact with the bottom end of the gasket (16), and the outside of the heat sink (17) is in contact with the inner top end of the bottom plate (15).

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