Inner container of cleaning machine

Abstract

The inner container of the cleaning machine comprises a bottom plate, a middle plate and a rear plate which are spliced with one another, the bottom plate is in a dustpan shape with the rear end opened, the middle plate is of an inverted U-shaped structure, the opening of the middle plate faces downwards and is buckled on the bottom plate, and the rear plate is connected to the edge of the rear side of the bottom plate and the edge of the rear side of the middle plate in a sealed mode. The lower edge of the vertical part of the U-shaped structure is inserted into the inner side of the side wall of the bottom plate, and an overflow backflow groove is formed between the U-shaped structure and the bottom plate. The rear plate is in sealed connection with the rear edge of the middle plate and the rear edge of the bottom plate, and the lower edge of the middle plate and the edge of the bottom plate are in inserted connection without sealing, so that the structure facilitates production and assembly of the inner container, and the middle plate and the bottom plate form an overflow backflow groove for surging water flow to flow back after buffering at the inserted part; water leakage at the bottom of the liner is avoided, and the reliability is good; when the liners with different heights need to be produced, only the insertion matching overlapping amount between the middle plate and the bottom plate needs to be adjusted, and the requirement for production equipment is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dish washer technical field, specifically point to a kind of for cleaning tableware, fruit and vegetable washing machine inner container. BACKGROUND

[0002] Traditional dish washer inner container is usually spliced by inner container top plate, rear U middle plate and bottom plate.China patent application CN202210179423.9 《a dish washer inner container assembly》discloses a dish washer inner container structure, which comprises an inner container top plate, an inner container left side plate, an inner container right side plate, an inner container back plate, a bottom plate and an inner container door frame, the inner container left side plate and the bottom plate are tightly attached together, the inner container right side plate and the bottom plate are tightly attached together, and the inner container top plate is tightly attached with the inner container left side plate and the inner container right side plate.

[0003] The above-mentioned dish washer inner container assembly uses the inner container top plate, the inner container left side plate, the inner container right side plate and the straight edge of the bottom plate to engage, and then is welded with the inner container back plate, and is supported by the inner container door frame, which can meet the expansion of the product in the depth and height directions, and the assembly is simple and reliable. However, the size of the dish washer inner container often needs to be adjusted according to the market, and the above-mentioned welding and engagement structure needs to be adjusted accordingly, resulting in high equipment investment cost, and a lot of time is needed for debugging and development, resulting in high time and development cost. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of the prior art, and provides a washing machine inner container which has low requirements on production equipment, is easy to assemble and has good reliability.

[0005] The utility model adopts the following technical scheme to solve the above technical problem:

[0006] A washing machine inner container includes a bottom plate, a middle plate and a back plate that are spliced together. The bottom plate is in the shape of a dustpan with an open rear end. The middle plate is in the shape of an inverted U and is placed on the bottom plate with its opening facing downward. The back plate is sealingly connected to the rear side edges of the bottom plate and the middle plate. The lower edge of the vertical part of the U-shaped structure is inserted into the inner side of the side wall of the bottom plate, and a water overflow return groove is formed between them.

[0007] With the above structure, the back plate is sealingly connected to the rear edges of the middle plate and the bottom plate, while the lower edge of the middle plate is only connected to the edge of the bottom plate by insertion without sealing. This structure not only facilitates the production and assembly of the inner container, but also forms a water overflow return groove at the insertion point of the middle plate and the bottom plate, which allows the water to flow into the groove, be buffered and then return. This helps to prevent water leakage at the bottom of the inner container and improves reliability. When producing inner containers of different heights, only the insertion overlap between the middle plate and the bottom plate needs to be adjusted, which requires low production equipment.

[0008] Preferably, the lower edge of the vertical part of the U-shaped structure overlaps with the side wall part of the bottom plate and a gap is formed therebetween, which forms a water overflow return groove in communication with the lower end of the washing cavity. With such a structure, the water overflow return groove into which the surging water flow enters and then returns after being buffered, is beneficial to avoid water leakage at the bottom of the inner container.

[0009] Preferably, the bottom plate comprises a bottom wall, a left side wall extending upward from the left edge of the bottom wall, a right side wall extending upward from the right edge of the bottom wall, and a front side wall extending upward from the front edge of the bottom wall, and the height of the front side wall is lower than the height of the left and right side walls. With such a structure, the overlapping positions of the lower edge of the middle plate with the left and right side walls of the bottom plate can be adjusted and controlled as needed without affecting the use of the front side opening of the inner container.

[0010] Preferably, the upper edge of the front side wall forms a transition edge extending smoothly rearward from bottom to top at the corners at both ends thereof, and the rear end of the transition edge is connected with the upper edge of the corresponding left or right side wall. This structure is beneficial to improve the reliability of the overall structure.

[0011] In the utility model, the overlapping distance between the lower edge of the vertical part of the U-shaped structure and the side wall of the bottom plate changes with the change of the height of the inner container. In the face of different production needs, when the height of the inner container needs to be adjusted, only the welding procedure between the rear plate of the inner container, the middle plate and the bottom plate needs to be adjusted, without the need to add new equipment or molds, thereby improving the universality of the product and shortening the development cycle.

[0012] Preferably, the rear edge of the middle plate is provided with a first flange extending outward, the rear edge of the bottom plate is provided with a second flange extending outward, and the rear plate is tightly connected and sealed with the first flange and the second flange. Further preferably, the rear plate is welded with the first flange and the second flange. The above-mentioned mode can realize the rear side sealing by simple welding.

[0013] Preferably, the front side of the inner container is provided with a reinforcing sheet metal part connected with the front edges of the middle plate and the bottom plate. This structure is used to improve the strength of the front edge of the inner container.

[0014] Preferably, the reinforcing sheet metal part is provided with a third flange arranged close to the outer side wall of the middle plate of the inner container and an extension edge extending downward from the third flange and arranged close to the outer side wall of the bottom plate, and the third flange and the extension edge are respectively riveted with the middle plate and the bottom plate. The above-mentioned mode can realize the front side sealing by simple riveting.

[0015] Compared with the prior art, the advantages of this utility model are as follows: This utility model utilizes the rear edge of the rear plate and the rear edge of the middle plate and the rear edge of the bottom plate to achieve a sealed connection, while the lower edge of the middle plate and the edge of the bottom plate are only connected by interlocking without sealing. This structure not only facilitates the production and assembly of the inner liner, but also forms an overflow return channel at the interlocking point between the middle plate and the bottom plate, allowing the surging water flow to enter, be buffered, and then flow back, which helps to avoid water leakage at the bottom of the inner liner and has good reliability. When it is necessary to produce inner liners of different heights, only the amount of interlocking overlap between the middle plate and the bottom plate needs to be adjusted, which reduces the requirements for production equipment. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model (with a relatively low inner liner height);

[0017] Figure 2 This is a structural schematic diagram of an embodiment of the present utility model (with a relatively high inner liner);

[0018] Figure 3 for Figure 1 Exploded view;

[0019] Figure 4 for Figure 1 A sectional view. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0021] like Figures 1 to 4 As shown, the inner tank of the cleaning machine in this embodiment includes a bottom plate 1, a middle plate 2 and a rear plate 3 that are spliced ​​together. The bottom plate 1 is in the shape of a scoop with the rear end open. The middle plate 2 is an inverted U-shaped structure with the opening facing down and is placed on the bottom plate 1. The rear plate 3 is sealed and connected to the rear edge of the bottom plate 1 and the middle plate 2. The lower edge of the vertical part 21 of the U-shaped structure is inserted into the inner side wall of the bottom plate 1 and an overflow return groove 10 is formed between the two.

[0022] With the above structure, a sealed connection is achieved between the rear plate 3 and the rear edge of the middle plate 2 and the rear edge of the bottom plate 1, while the lower edge of the middle plate 2 and the edge of the bottom plate 1 are only connected by interlocking without sealing. This structure not only facilitates the production and assembly of the inner liner, but also forms an overflow return channel 10 at the interlocking point between the middle plate 2 and the bottom plate 1, which allows the surging water flow to enter, be buffered, and then flow back, which helps to prevent water leakage at the bottom of the inner liner and has good reliability. When it is necessary to produce inner liners of different heights, only the amount of interlocking overlap between the middle plate 2 and the bottom plate 1 needs to be adjusted, which reduces the requirements for production equipment.

[0023] The lower edge of the vertical part 21 of the U-shaped structure overlaps with the side wall part of the bottom plate 1 and a gap is formed between them, which forms the overflow return groove 10 at the lower end communicating with the washing cavity. With such a structure, the overflow return groove 10 for the flowing water is used to buffer and then return, which is beneficial to avoid the water leakage at the bottom of the inner container.

[0024] The bottom plate 1 includes a bottom wall 14, a left side wall 11 extending upward from the left edge of the bottom wall 14, a right side wall 12 extending upward from the right edge of the bottom wall, and a front side wall 13 extending upward from the front edge of the bottom wall 14, and the height of the front side wall 13 is lower than the height of the left side wall 11 and the right side wall 12. With such a structure, the overlapping positions of the lower edge of the middle plate 2 with the left and right side walls 12 of the bottom plate 1 can be adjusted and controlled as needed without affecting the use of the front side opening of the inner container.

[0025] The upper edge of the front side wall 13 forms a transition edge 131 extending smoothly rearward from bottom to top at the corners at both ends thereof, and the rear end of the transition edge 131 is connected to the upper edge of the corresponding left side wall 11 or right side wall 12. This structure is beneficial to improve the reliability of the overall structure.

[0026] The lower edge of the middle plate 2 is further provided with an outward and upward bent hook edge 23 located in the overflow return groove 10.

[0027] In the present embodiment, the overlapping distance between the lower edge of the vertical part 21 of the U-shaped structure and the side wall of the bottom plate 1 changes with the change of the height of the inner container. In the face of different production needs, when the height of the inner container needs to be adjusted, only the welding procedure between the rear plate 3 of the inner container, the middle plate 2 and the bottom plate 1 needs to be adjusted, without the need to add new equipment or molds, which improves the universality of the product and shortens the development cycle.

[0028] The rear edge of the middle plate 2 is provided with a first folded edge 22 extending outward, and the rear edge of the bottom plate 1 is provided with a second folded edge 15 extending outward, and the rear plate 3 is tightly connected and sealed with the first folded edge 22 and the second folded edge 15. The rear plate 3 is welded with the first folded edge 22 and the second folded edge 15. The above-mentioned mode can realize the rear side sealing by simple welding.

[0029] The front side of the inner container is provided with a reinforcing sheet metal part 4 connected with the front edges of the middle plate 2 and the bottom plate 1. This structure is used to improve the strength of the front edge of the inner container.

[0030] The reinforcing sheet metal part 4 is provided with a third folded edge 41 arranged close to the outer side wall of the middle plate 2 of the inner container and an extension edge 411 extending downward from the third folded edge 41 and arranged close to the outer side wall of the bottom plate 1, and the third folded edge 41 and the extension edge 411 are respectively riveted with the middle plate 2 and the bottom plate 1. The above-mentioned mode can realize the front side sealing by simple riveting.

[0031] The embodiment utilizes the sealing connection between the rear plate 3 and the rear edge of the middle plate 2 and the rear edge of the bottom plate 1, and only utilizes the plug-in connection between the lower edge of the middle plate 2 and the edge of the bottom plate 1 without sealing, so that the structure is not only convenient for the production and assembly of the inner container, but also forms the overflow return groove 10 for the water flow to enter and return after buffering at the plug-in position of the middle plate 2 and the bottom plate 1, which is beneficial to avoid the water leakage at the bottom of the inner container and has good reliability; when the inner container with different heights needs to be produced, the plug-in overlapping amount between the middle plate 2 and the bottom plate 1 can be adjusted, and the production equipment has low requirements.

[0032] In the description and claims of the present application, terms are used to describe various example structures, components, and elements as used by one of ordinary skill in the art are used to describe various example structures, components, and elements. Although these terms are commonly used by those skilled in the art, these terms are not intended to be limited to a specific inventive embodiment. It is intended that these terms are used consistently throughout the specification and claims to reflect that the terms are intended to be used to describe general concepts of the inventive embodiments.

Claims

1. A cleaning machine inner tank comprising a bottom plate (1), a middle plate (2) and a back plate (3) spliced with each other, characterized in that: The bottom plate (1) is in the form of a dustpan with an open rear end, the middle plate (2) is in the form of an inverted U-shaped structure and is arranged with the opening downwardly on the bottom plate (1), and the rear plate (3) is sealingly connected at the rear side edges of the bottom plate (1) and the middle plate (2), and the lower edge of the vertical part of the U-shaped structure is inserted into the inner side of the side wall of the bottom plate (1) and forms a water overflow return groove (10) therebetween.

2. The clearner tub according to claim 1, wherein: The lower edge of the vertical part of the U-shaped structure overlaps with the side wall part of the bottom plate (1) and a gap is formed therebetween, which constitutes the water overflow return groove (10) in communication with the lower end of the washing cavity.

3. The clearner tub according to claim 2, wherein: The bottom plate (1) comprises a bottom wall, a left side wall extending upwardly from the left edge of the bottom wall, a right side wall extending upwardly from the right edge of the bottom wall, and a front side wall extending upwardly from the front edge of the bottom wall, and the height of the front side wall is lower than the heights of the left side wall and the right side wall.

4. The clearner tub according to claim 3, wherein: The upper edge of the front side wall is formed with a transition edge extending smoothly rearward from bottom to top at the corners at both ends thereof, and the rear end of the transition edge is connected with the upper edge of the corresponding left side wall or right side wall.

5. The clearner tub according to claim 3, wherein: The overlapping distance between the lower edge of the vertical part of the U-shaped structure and the side wall of the bottom plate (1) changes with the height of the inner container.

6. The clearner tub according to any one of claims 1-5, characterized in that: The rear edge of the middle plate (2) is provided with a first outwardly extending folded edge, the rear edge of the bottom plate (1) is provided with a second outwardly extending folded edge, and the rear plate (3) is sealingly connected with the first folded edge and the second folded edge.

7. The clearner tub according to claim 6, wherein: The rear plate (3) is welded with the first folded edge and the second folded edge.

8. The clearner tub according to any one of claims 1-5, wherein: The front side of the inner container is provided with a reinforcing sheet metal part (4) connected with the front edges of the middle plate (2) and the bottom plate (1).

9. The clearner tub according to claim 8, wherein: The reinforcing sheet metal part (4) is provided with a third folded edge arranged close to the outer side wall of the middle plate (2) and an extension edge extending downwardly from the third folded edge and arranged close to the outer side wall of the bottom plate (1), and the third folded edge and the extension edge are respectively riveted with the middle plate (2) and the bottom plate (1).

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