Shell assembly and household appliance

Abstract

The shell assembly comprises a left shell and a right shell, the cross section of the left shell and the cross section of the right shell are in a U shape, and the inner side wall of the left shell or the inner side wall of the right shell is provided with a fastening connection mechanism used for being fixed to an inner support. A plurality of limiting connecting mechanisms which are arranged at intervals in the vertical direction are arranged between the inner wall of a rear side plate of the left shell and the inner wall of a rear side plate of the right shell, and a plurality of limiting connecting mechanisms which are arranged at intervals in the vertical direction are arranged between the inner wall of a front side plate of the left shell and the inner wall of a front side plate of the right shell. The limiting connecting mechanism is used for limiting the left shell and the right shell to move relatively in the left-right direction, the front-back direction and the up-down direction so that the edges of the two sides of the left shell can be attached to the edges of the two sides of the right shell respectively. In the assembling process, the left shell or the right shell is fixedly connected with the inner support through the fastening connecting mechanism, then the left shell and the right shell are installed together through the limiting connecting mechanism, the using amount of fastening screws can be greatly reduced, the production and machining difficulty is low, the assembling efficiency is high, and the structure is stable and reliable after assembling.

Description

Technical Field

[0001] This utility model relates to a housing assembly and a household appliance. Background Technology

[0002] Currently, the outer casing of some household appliances consists of a base plate, a top plate, and a rectangular frame located between the base plate and the top plate. The upper and lower ends of the rectangular frame are open to accommodate the top and base plates. This rectangular frame is typically formed by joining two shells, each with a U-shaped cross-section. For rectangular frames with a large height, numerous fastening screws are needed along the edges of both the left and right shells to connect the appliance's internal support structure. Numerous through holes need to be drilled along the height of the left and right shells, each requiring alignment with pre-drilled threaded holes on the internal support structure. The assembly requirements for the relative positions of the internal support structure with the left and right shells are high, resulting in difficult and inefficient assembly of the left and right shells. Furthermore, the overall mechanical strength after assembly is relatively weak, and concave or convex joints are prone to occur at the joints, leading to poor dust protection. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, one of the objectives of this utility model is to provide a housing component that is easy to manufacture and process, has high assembly efficiency, and has a stable and reliable structure after assembly; the other objective is to provide a household appliance that uses the above housing component.

[0004] A housing assembly according to a first aspect of the present invention includes: a left housing and a right housing with a cross-section of C-shape. The inner sidewall of the left housing or the right housing is provided with a fastening connection mechanism for fixing to an internal support. A plurality of limiting connection mechanisms are provided between the inner wall of the rear side plate of the left housing and the inner wall of the rear side plate of the right housing, and between the inner wall of the front side plate of the left housing and the inner wall of the front side plate of the right housing, respectively. The limiting connection mechanisms are used to restrict the left housing and the right housing from moving relative to each other in the left-right direction, the front-back direction, and the up-down direction so that the two side edges of the left housing respectively abut against the two side edges of the right housing.

[0005] The housing assembly according to the embodiments of the present utility model has at least the following beneficial effects:

[0006] When assembling the above-mentioned housing components, one of the left and right housings is first fixedly connected to the internal support through a fastening connection mechanism. Then, the left and right housings are installed together through a limiting connection mechanism. This can significantly reduce the amount of fastening screws used, reduce the difficulty of production and processing, increase assembly efficiency, and ensure that the structure is stable and reliable after the left and right housings are assembled.

[0007] In some embodiments of this utility model, the limiting connection mechanism includes a hook groove and a hook portion mounted in the hook groove. One of the hook groove and the hook portion is formed on the inner wall of one side edge of the left housing, and the other is formed on the inner wall of the corresponding side edge of the right housing.

[0008] In some embodiments of this utility model, the inner walls of the opposite sides of the left housing are provided with a plurality of connecting seats spaced apart in the vertical direction, and the hook groove is provided through the connecting seats in the horizontal direction. The edges of the inner walls of the opposite sides of the right housing are provided with a plurality of hooks spaced apart in the vertical direction, and the hooks extend to the left outside the right housing and can be inserted into the hook groove.

[0009] In some embodiments of this utility model, the width of the hook groove matches the width of the hook portion to restrict the relative movement of the left and right housings in the front-back direction. The hook portion includes a horizontal section extending to the left and a vertical section connected to the end of the horizontal section and extending downward. The hook groove allows the horizontal and vertical sections to pass through. The lower end face of the horizontal section abuts against the lower edge of the hook groove to allow the right housing to hook against the left housing. The vertical section abuts against the side wall of the connecting seat to prevent the left and right housings from moving relative to each other in the left-right direction.

[0010] In some embodiments of this utility model, the hook groove includes a flared portion and a narrow portion connected to the lower end of the flared portion, the width of the narrow portion being consistent with the width of the horizontal segment and the vertical segment.

[0011] In some embodiments of this utility model, one of the upper ends of the left housing and the right housing is provided with a connecting plate extending in the left-right direction. The connecting plate is provided with a vertical through hole. The other of the upper ends of the left housing and the right housing is provided with a threaded post opposite to the vertical through hole. A threaded fastener passes through the vertical through hole to connect the threaded post and prevent the left housing and the right housing from moving up and down relative to each other.

[0012] In some embodiments of this utility model, the fastening connection mechanism includes a plurality of lugs spaced apart along the vertical direction on the inner walls of the two sides of the left housing or on the inner walls of the two sides of the right housing. The lugs extend out of the side edges of the left housing or the right housing, and the lugs are provided with mounting holes corresponding to the preset threaded holes of the internal bracket.

[0013] In some embodiments of this utility model, the lug is provided with a positioning hole on one side of the mounting hole, and the outline shape of the positioning hole matches the preset positioning protrusion of the internal bracket.

[0014] In some embodiments of this utility model, each of the two opposing inner sidewalls of the left shell and the right shell is provided with a plurality of reinforcing ribs arranged at intervals in the vertical direction, and the reinforcing ribs extend in the horizontal direction to abut against the inner sidewall of the other of the left shell and the right shell.

[0015] A household appliance according to a second aspect of the present invention includes a housing assembly of any of the above-described technical solutions; the household appliance can significantly reduce the amount of fastening screws used, has low manufacturing and processing difficulty, high assembly efficiency, and a stable and reliable structure after assembly.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the structure of one embodiment of the housing assembly of this utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the right and left housings when separated according to the embodiment;

[0020] Figure 3 yes Figure 1 A schematic diagram of the combination of the left and right housings in the embodiment;

[0021] Figure 4 This is an exploded view of one embodiment of the limiting connection mechanism;

[0022] Figure 5 This is a schematic diagram of one embodiment of a fastening connection mechanism.

[0023] Figure label:

[0024] Left housing 100; connecting seat 110; threaded post 120; right housing 200; connecting plate 210; internal support 300; threaded hole 310; positioning protrusion 320; fastening connection mechanism 400; lug 410; mounting hole 420; positioning hole 430; limiting connection mechanism 500; hook groove 510; flared opening 511; narrow opening 512; hook 520; horizontal section 521; vertical section 522; reinforcing rib 600. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as the terms "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of 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.

[0029] See Figure 1 and Figure 2The present invention provides a housing assembly comprising: a left housing 100 and a right housing 200 with a cross-section of C-shape. The inner sidewall of the left housing 100 or the right housing 200 is provided with a fastening connection mechanism 400 for fixing to an internal support 300. Multiple limiting connection mechanisms 500 are provided between the inner wall of the rear side plate of the left housing 100 and the inner wall of the rear side plate of the right housing 200, and between the inner wall of the front side plate of the left housing 100 and the inner wall of the front side plate of the right housing 200, respectively. The limiting connection mechanisms 500 are used to restrict the left housing 100 and the right housing 200 from moving relative to each other in the left-right direction, the front-back direction, and the up-down direction, so that the two side edges of the left housing 100 respectively abut against the two side edges of the right housing 200.

[0030] During assembly, one of the left housing 100 and the right housing 200 is first fixedly connected to the internal support 300 via the fastening connection mechanism 400. Then, the left housing 100 and the right housing 200 are installed together via the limiting connection mechanism 500. This significantly reduces the amount of fastening screws used, making production and processing easier and assembly more efficient. Since multiple limiting connection mechanisms 500 are arranged at intervals along the vertical direction, it helps to ensure the bonding strength between the two sides of the left housing 100 and the right housing 200, making the structure of the left housing 100 and the right housing 200 stable and reliable after assembly.

[0031] See Figure 3 and Figure 4 In some embodiments of this utility model, the limiting connection mechanism 500 includes a hook groove 510 and a hook portion 520 hooked in the hook groove 510. One of the hook groove 510 and the hook portion 520 is formed on the inner wall of one side edge of the left housing 100, and the other is formed on the inner wall of the corresponding side edge of the right housing 200. It is understood that when the opening edge of the left housing 100 is close to the opening edge of the right housing 200, the hook portion 520 can extend into the corresponding hook groove 510. When the left housing 100 and the right housing 200 have a tendency to move away from each other in the left-right direction, the hook portion 520 is blocked by the hook groove 510 and cannot move relative to each other. Of course, in other embodiments, the limiting connection mechanism 500 can also be replaced by a snap-fit ​​connection.

[0032] See Figure 3 and Figure 4In some embodiments of this utility model, the inner walls of the opposite sides of the left housing 100 are provided with a plurality of connecting seats 110 spaced apart in the vertical direction, and the hook groove 510 is provided through the connecting seat 110 in the horizontal direction. The edges of the inner walls of the opposite sides of the right housing 200 are provided with a plurality of hook portions 520 spaced apart in the vertical direction, and the hook portions 520 extend to the left outside the right housing 200 and can be inserted into the hook groove 510. It should be noted that the left housing 100 and the right housing 200 are generally obtained by integral injection molding. The layout of the hook grooves 510 being provided in the left housing 100 and the hook portions 520 being provided in the right housing 200 is beneficial to injection molding. Since the left housing 100 and the right housing 200 are connected together at multiple positions in the vertical direction, the joint gap between the left housing 100 and the right housing 200 is more uniform, effectively reducing the occurrence of concave and convex joint gaps.

[0033] See Figure 4 In some embodiments of this utility model, the width of the hook groove 510 matches the width of the hook portion 520 to restrict the relative movement of the left housing 100 and the right housing 200 in the front-back direction. The hook portion 520 includes a horizontal section 521 extending to the left and a vertical section 522 connected to the end of the horizontal section 521 and extending downward. The hook groove 510 allows the horizontal section 521 and the vertical section 522 to pass through. The lower end face of the horizontal section 521 abuts against the lower edge of the hook groove 510 so that the right housing 200 is hooked against the left housing 100. The vertical section 522 abuts against the side wall of the connecting seat 110 to prevent the left housing 100 and the right housing 200 from moving relative to each other in the left-right direction. Through the above specific structure, the left housing 100 and the right housing 200 are constrained in the left-right, front-back, and up-down directions, ensuring the stability and reliability of the connection structure.

[0034] See Figure 4 In some embodiments of this utility model, the hook groove 510 includes a flared portion 511 and a narrow portion 512 connected to the lower end of the flared portion 511. The width of the narrow portion 512 is consistent with the width of the horizontal segment 521 and the vertical segment 522. It is understood that when the right shell 200 is assembled onto the left shell 100, the horizontal segment 521 and the vertical segment 522 enter from the flared portion 511. Then, the right shell 200 moves downwards relative to the left shell 100 by a certain distance, and the horizontal segment 521 abuts against the bottom wall of the narrow portion 512, thereby reducing assembly difficulty.

[0035] See Figure 3In some embodiments of this utility model, one of the upper ends of the left housing 100 and the right housing 200 is provided with a connecting plate 210 extending in the left-right direction. The connecting plate 210 has a vertical through hole. The other upper end of the left housing 100 and the right housing 200 is provided with a threaded post 120 opposite to the vertical through hole. A threaded fastener passes through the vertical through hole to connect the threaded post 120 and prevent the left housing 100 and the right housing 200 from moving up and down relative to each other. The above structure locks the relative position of the left housing 100 and the right housing 200 in the height direction, so that the hook 520 is kept in the hook groove 510, which plays a role in preventing it from getting off.

[0036] See Figure 2 and Figure 5 In some embodiments of this utility model, the fastening connection mechanism 400 includes a plurality of lugs 410 spaced apart along the vertical direction on the inner walls of the two side edges of the left housing 100 or the two side edges of the right housing 200. The lugs 410 extend from the side edges of the left housing 100 or the right housing 200, and each lug 410 is provided with a mounting hole 420 corresponding to a pre-set threaded hole 310 in the internal support 300. It is understood that before the right housing 200 is assembled onto the left housing 100, since the lugs 410 extend from the side edges of the left housing 100 or the right housing 200, the user can directly connect them to the threaded hole 310 of the internal support 300 by passing screws through the mounting holes 420 of the lugs 410. Then, the limiting connection mechanism 500 is used to assemble the left housing 100 and the right housing 200 together. The fastening connection mechanism 400 and the limiting connection mechanism 500 do not interfere with each other.

[0037] See Figure 5 In some embodiments of this utility model, in order to facilitate the accurate pre-positioning of the lug 410 on the corresponding position of the internal bracket 300, the lug 410 is provided with a positioning hole 430 on one side of the mounting hole 420, and the outline shape of the positioning hole 430 matches the preset positioning protrusion 320 of the internal bracket 300.

[0038] See Figure 2 and Figure 3In some embodiments of this utility model, each of the two opposing inner sidewalls of the left housing 100 and the right housing 200 is provided with a plurality of reinforcing ribs 600 arranged at intervals in the vertical direction. The reinforcing ribs 600 extend in the horizontal direction to abut against the inner sidewall of the other of the left housing 100 and the right housing 200. It is understood that the arrangement of the plurality of reinforcing ribs 600 ensures that the left housing 100 and the right housing 200 have high mechanical strength at the joint gap, and avoids the indentation of the side edges of the left housing 100 and the right housing 200 when transported or subjected to external forces.

[0039] This utility model also discloses a household appliance, including the housing assembly of any of the above technical solutions; this household appliance can significantly reduce the amount of fastening screws used, has low manufacturing and processing difficulty, high assembly efficiency, and a stable and reliable structure after assembly.

[0040] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A housing assembly, characterized in that, include: The left shell (100) and right shell (200) are U-shaped in cross-section. The inner wall of the left shell (100) or the right shell (200) is provided with a fastening connection mechanism (400) for fixing to the internal support (300). Multiple limiting connection mechanisms (500) are provided between the inner wall of the rear side plate of the left shell (100) and the inner wall of the rear side plate of the right shell (200), and between the inner wall of the front side plate of the left shell (100) and the inner wall of the front side plate of the right shell (200). The limiting connection mechanism (500) is used to restrict the left shell (100) and the right shell (200) from moving relative to each other in the left-right direction, the front-back direction and the up-down direction so that the two sides of the left shell (100) are respectively attached to the two sides of the right shell (200).

2. A housing assembly according to claim 1, characterized in that: The limiting connection mechanism (500) includes a hook groove (510) and a hook portion (520) mounted on the hook groove (510). One of the hook groove (510) and the hook portion (520) is formed on the inner wall of one side edge of the left housing (100), and the other is formed on the inner wall of the corresponding side edge of the right housing (200).

3. A housing assembly according to claim 2, characterized in that: The inner walls of the left housing (100) on both sides are provided with a plurality of connecting seats (110) spaced apart in the vertical direction. The hook groove (510) is provided through the connecting seat (110) in the horizontal direction. The inner walls of the right housing (200) on both sides are provided with a plurality of hooks (520) spaced apart in the vertical direction. The hooks (520) extend to the left outside the right housing (200) and can be inserted into the hook groove (510).

4. A housing assembly according to claim 3, characterized in that: The width of the groove (510) matches the width of the hook (520) to restrict the relative movement of the left housing (100) and the right housing (200) in the front-back direction. The hook (520) includes a horizontal section (521) extending to the left and a vertical section (522) connected to the end of the horizontal section (521) and extending downward. The groove (510) allows the horizontal section (521) and the vertical section (522) to pass through. The lower end face of the horizontal section (521) abuts against the lower edge of the groove (510) so that the right housing (200) is attached to the left housing (100). The vertical section (522) abuts against the side wall of the connecting seat (110) to prevent the left housing (100) and the right housing (200) from moving relative to each other in the left-right direction.

5. A housing assembly according to claim 4, characterized in that: The hook groove (510) includes a flared portion (511) and a narrow portion (512) connected to the lower end of the flared portion (511). The width of the narrow portion (512) is consistent with the width of the horizontal section (521) and the vertical section (522).

6. A housing assembly according to claim 4, characterized in that: One of the upper ends of the left housing (100) and the right housing (200) is provided with a connecting plate (210) extending in the left-right direction. The connecting plate (210) is provided with a vertical through hole. The other of the upper ends of the left housing (100) and the right housing (200) is provided with a threaded post (120) opposite to the vertical through hole. The threaded fastener passes through the vertical through hole to connect the threaded post (120) and prevent the left housing (100) and the right housing (200) from moving up and down relative to each other.

7. A housing assembly according to claim 1, characterized in that: The fastening connection mechanism (400) includes a plurality of lugs (410) spaced apart along the vertical direction on the inner walls of the two sides of the left housing (100) or on the inner walls of the two sides of the right housing (200). The lugs (410) extend out of the side edges of the left housing (100) or the right housing (200), and the lugs (410) are provided with mounting holes (420) corresponding to the pre-set threaded holes (310) of the internal support (300).

8. A housing assembly according to claim 7, characterized in that: The lug (410) has a positioning hole (430) on one side of the mounting hole (420), and the outline shape of the positioning hole (430) matches the preset positioning protrusion (320) of the internal bracket (300).

9. A housing assembly according to claim 1, characterized in that: Each of the two opposing inner walls of the left shell (100) and the right shell (200) is provided with a plurality of reinforcing ribs (600) arranged at intervals in the vertical direction. The reinforcing ribs (600) extend in the horizontal direction to abut against the inner wall of the other of the left shell (100) and the right shell (200).

10. A household appliance, characterized in that, include: The housing assembly as described in any one of claims 1-9.

Images