Air conditioner and shell knock-off hole structure thereof

Abstract

The shell knock-off hole structure of the air conditioner comprises a shell, a knock-off hole communicated with the interior of the shell is formed in the shell, and a hole cover used for shielding the knock-off hole is installed on the shell. The inner wall of the shell is provided with a first positioning column in a protruding mode, the hole cover is provided with a positioning seat in a protruding mode, the first positioning column is sleeved with the positioning seat in an empty mode, the shell and the hole cover are connected through an elastic piece, and the elastic piece can press the hole cover on the shell. When a user installs a machine, a worker can push the hole cover from the outer side of the shell to enable the hole cover to enter the shell and then poke the hole cover to rotate around the first positioning column to expose the knock-off hole; after the worker loosens the hand, the elastic piece pushes the hole cover, and the hole cover and the inner wall of the shell are pressed tightly. Therefore, the knock-off hole can be opened and closed more easily, and the hole cover can be always connected with the shell, so that the hole cover is prevented from being lost.

Description

Technical Field

[0001] The utility model relates to the field of air conditioning, in particular to an air conditioner and a knock-out hole structure of a shell thereof. Background Art

[0002] For household wall-mounted air conditioners, when installing the indoor unit, after-sales personnel need to use scissors or diagonal pliers to cut an opening on the end face of the middle frame as the pipe hole for the connecting pipes of the indoor and outdoor units. Therefore, the designers will design a reserved thinning area at the corresponding pipe position of the middle frame. The air-conditioning industry calls it a knock-out hole. This makes it convenient for after-sales personnel to cut it manually. Therefore, after cutting, the knock-out hole in the middle frame is completely destroyed and irreversible.

[0003] In the actual use of air conditioners in the current market, there are the following usage scenarios: when users are moving, the layout of the room where the air conditioner is installed cannot be consistent, and the pipe routing direction often needs to be led out from the other side of the middle frame, resulting in the original knock-out holes being inevitably exposed in the field of vision, affecting the appearance of the air conditioner. Insects and mice can easily enter from here and make their home in the air conditioner.

[0004] The prior art with the publication number CN206281063U discloses a housing of an indoor unit of an air conditioner, comprising a housing body and a pipe hole cover, wherein the housing body is provided with a pipe hole for passing a pipe and a line, a first clamping portion is provided on the surrounding side wall of the pipe hole, and the pipe hole cover is connected with the first clamping portion to at least partially cover the pipe hole; a clamping groove matched with the clamping portion is provided at a corresponding position of the pipe hole cover; the housing body is also provided with a pipe hole cover placement portion for placing the pipe hole cover; the pipe hole cover placement portion is arranged on the inner side of the housing body; a second clamping portion is provided on the top of the pipe hole cover, a first protruding portion is provided at a corresponding position of the housing body, and the first protruding portion is provided with a second clamping groove matched with the plug-in portion of the pipe hole cover; the pipe hole cover placement portion comprises a second protruding portion located on the housing body, the second protruding portion is provided with a third clamping groove matched with the second clamping portion of the pipe hole cover, and the pipe hole cover placement portion also comprises two L-shaped retaining portions arranged on the housing body and respectively matched with the left edge and the right edge of the pipe hole cover.

[0005] The structure disclosed in the prior art requires a place to be reserved inside the shell body for placing the hole cover, so that a larger space needs to be reserved inside the shell; and the hole cover needs to be interchanged between two positions through disassembly and assembly; and there is also a risk of accidental falling off. Utility Model Content

[0006] In order to solve the problem in the prior art that the hole cover removal is cumbersome and there is a risk of falling off, the purpose of the utility model is to provide an air conditioner and a shell knock-out hole structure, which is simpler to operate and can effectively prevent the hole cover from falling off.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a shell knock-out hole structure, including a shell, a knock-out hole connected to the interior of the shell is opened, and a hole cover for covering the knock-out hole is installed on the shell; a first positioning column is protruded on the inner wall of the shell, and a positioning seat is protruded on the hole cover, the positioning seat is hollowly mounted on the first positioning column, and the shell and the hole cover are connected by an elastic member, and the elastic member can press the hole cover onto the shell.

[0008] Preferably, the elastic member includes a spring, a top cover and a screw, the screw is threadedly connected to the first positioning column, the top cover and the spring are sleeved on the screw, and two ends of the spring are respectively against the positioning seat and the top cover.

[0009] Preferably, a first accommodating hole is formed on the positioning seat, a second accommodating hole is formed on the top cover, and two ends of the spring extend into the first accommodating hole and the second accommodating hole respectively.

[0010] Preferably, a second positioning column is protruded from the end of the first positioning column, a positioning hole is formed on the top cover, and the second positioning column is plugged into the positioning hole.

[0011] Preferably, a stopper is provided on the shell body, a stop portion is protruded on the positioning seat, and the stop portion and the stopper are plugged into each other.

[0012] Preferably, a limiting portion is protruded in the shell, a limiting groove is provided on the limiting portion, the limiting groove is connected to the knock-out hole, the hole cover can enter and exit the limiting groove and the knock-out hole, and the hole cover and the limiting groove are slidably matched.

[0013] Preferably, at least two knock-out holes are provided on the shell, and a hole cover is installed at each knock-out hole.

[0014] Preferably, the first positioning column is located on the inner side of the shell, and the positioning seat is located on the inner side of the shell.

[0015] An air conditioner comprises the above-mentioned shell knock-out hole structure.

[0016] The beneficial effects of the technical solution of the utility model are as follows: when the user is installing the machine, the worker can push the hole cover from the outside of the shell to make the hole cover enter the shell, and then turn the hole cover to rotate around the first positioning column to expose the knock-out hole on the shell; after the worker lets go, the elastic member pushes the hole cover to press the hole cover and the inner wall of the shell tightly. When the user needs to cover the knock-out hole when moving the machine, he only needs to rotate the hole cover. When the hole cover moves to the side of the knock-out hole, the worker lets go, and then the elastic member pushes the hole cover to move into the knock-out hole, and the positioning seat and the inner wall of the shell are pressed tightly. In this way, the knock-out hole can be opened and closed more easily, and the hole cover can always remain connected to the shell to avoid the hole cover being lost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a structural schematic diagram of an air conditioner;

[0018] Figure 2 The knocked-out hole on the shell is exposed, and the connection structure between the shell and the hole cover is shown Figure 1 ;

[0019] Figure 3 The knocked-out hole on the shell is exposed, and the connection structure between the shell and the hole cover is shown Figure 2 ;

[0020] Figure 4 The knock-out hole on the shell is hidden, and the connection structure between the shell and the hole cover is shown Figure 1 ;

[0021] Figure 5 The knock-out hole on the shell is hidden, and the connection structure between the shell and the hole cover is shown Figure 2 ;

[0022] Figure 6 It is a schematic diagram of the structure of the hole cover.

[0023] Reference numerals: 1, housing; 11, knock-out hole; 12, limiting groove; 13, limiting groove; 14, first positioning column; 15, second positioning column; 16, threaded hole; 17, stopper;

[0024] 2. hole cover; 21. positioning seat; 22. first receiving hole; 23. stopper;

[0025] 3. Spring;

[0026] 4. Top cover; 41. Second receiving hole; 42. Positioning hole;

[0027] 5. Screws. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. Example

[0033] like Figure 1-6 A shell knock-out hole structure is shown, including a shell 1, a knock-out hole 11 connected to the interior of the shell 1 is opened, and a hole cover 2 for covering the knock-out hole 11 is installed on the shell 1; a first positioning column 14 is protruded from the inner wall of the shell 1, and a positioning seat 21 is protruded from the hole cover 2, and the positioning seat 21 is loosely sleeved on the first positioning column 14, and the shell 1 and the hole cover 2 are connected by an elastic member, which can press the hole cover 2 onto the shell 1.

[0034] With such a configuration, when the user is installing the machine, the worker can push the hole cover 2 from the outside of the shell 1 to allow the hole cover 2 to enter the shell 1, and then move the hole cover 2 to rotate around the first positioning column 14 to expose the knock-out hole 11 on the shell 1; after the worker lets go, the elastic member pushes the hole cover 2 to press the hole cover 2 and the inner wall of the shell 1. When the user needs to cover the knock-out hole 11 when moving the machine, he only needs to rotate the hole cover 2. When the hole cover 2 moves to the side of the knock-out hole 11, the worker lets go, and then the elastic member pushes the hole cover 2 to move into the knock-out hole 11, and the positioning seat 21 and the inner wall of the shell 1 are pressed tightly.

[0035] With such arrangement, the knock-out hole 11 can be opened and closed more easily, and the hole cover 2 can always remain connected to the housing 1, thereby preventing the hole cover 2 from being lost.

[0036] like Figures 2 to 6 As shown, in this embodiment, the elastic member includes a spring 3, a top cover 4 and a screw 5, a threaded hole 16 is provided at the end of the first positioning column 14, the screw 5 is threadedly connected to the threaded hole 16 of the first positioning column 14, the top cover 4 and the spring 3 are sleeved on the screw 5, and the two ends of the spring 3 are respectively against the positioning seat 21 and the top cover 4. Further preferably, the positioning seat 21 is provided with a first accommodating hole 23, the top cover 4 is provided with a second accommodating hole 41, and the two ends of the spring 3 extend into the first accommodating hole 23 and the second accommodating hole 41 respectively. Further preferably, the end of the first positioning column 14 is protruded with a second positioning column 15, the top cover 4 is provided with a positioning hole 42, and the second positioning column 15 and the positioning hole 42 are plugged.

[0037] With such arrangement, the arrangement of the elastic member is simpler; and the pressure of the spring 3 can be effectively adjusted by rotating the screw 5 .

[0038] like Figure 3 and Figure 5 As shown, in this embodiment, a stopper 17 is provided on the housing 1, and a stopper 23 is protruded on the positioning seat 21, and the stopper 23 is plugged into the stopper 17. When the hole cover 2 is inserted into the gong hole, the stopper 23 is inserted into the stopper 17, thereby preventing the hole cover 2 from sliding, thereby ensuring the stability of the assembly of the hole cover 2.

[0039] like Figure 2 and Figure 4As shown, in this embodiment, a limiting portion 12 is protruded in the housing 1, and a limiting groove 13 is provided on the limiting portion 12. The limiting groove 13 is connected to the knock-out hole 11, and the hole cover 2 can enter and exit the limiting groove 13 and the knock-out hole 11, and the hole cover 2 and the limiting groove 13 are slidably matched. During installation, the hole cover 2 is pushed up, and the hole cover 2 is removed from the knock-out hole 11, and the edge of the hole cover 2 enters the limiting groove 13 of the limiting portion 12; when the hole cover 2 is rotated, the edge of the hole cover 2 rotates in the limiting groove 13 until it abuts against the end of the limiting groove 13. Such a configuration ensures that the hole cover 2 can operate and position smoothly.

[0040] like Figure 1 As shown, in this embodiment, at least two knock-out holes 11 are provided on the housing 1, and a hole cover 2 is installed at any knock-out hole 11. In this way, the multiple knock-out holes 11 on the housing 1 can be adapted to more application environments.

[0041] like Figure 1 As shown, in this embodiment, the first positioning column 14 is located inside the housing 1, and the positioning seat 21 is located inside the housing 1. Such a configuration can effectively hide the elastic member, the positioning seat 21 and the positioning column, ensuring the aesthetics of the outer tube of the housing 1.

[0042] An air conditioner comprises the above-mentioned housing 1 with a knock-out hole 11 structure, wherein the housing 1 is an inner unit middle frame, an inner unit housing or an outer unit housing.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A knock-out hole structure for a shell, comprising a shell (1), a knock-out hole (11) being provided on the shell (1) and communicating with the interior thereof, and a hole cover (2) being installed on the shell (1) for covering the knock-out hole (11); characterized in that: A first positioning column (14) is protruded on the inner wall of the shell (1), a positioning seat (21) is protruded on the hole cover (2), and the positioning seat (21) is hollowly sleeved on the first positioning column (14). The shell (1) and the hole cover (2) are connected via an elastic member, and the elastic member can press the hole cover (2) onto the shell (1).

2. A knock-out hole structure for a housing according to claim 1, characterized in that: The elastic member comprises a spring (3), a top cover (4) and a screw (5); the screw (5) is threadedly connected to the first positioning column (14); the top cover (4) and the spring (3) are sleeved on the screw (5); and two ends of the spring (3) are respectively against the positioning seat (21) and the top cover (4).

3. A knock-out hole structure for a housing according to claim 2, characterized in that: The positioning seat (21) is provided with a first accommodating hole (22), the top cover (4) is provided with a second accommodating hole (41), and two ends of the spring (3) extend into the first accommodating hole (22) and the second accommodating hole (41) respectively.

4. The knock-out hole structure of a housing according to claim 2, characterized in that: A second positioning column (15) is protruded from the end of the first positioning column (14), a positioning hole (42) is provided on the top cover (4), and the second positioning column (15) and the positioning hole (42) are plugged into each other.

5. The knock-out hole structure of a housing according to claim 1, characterized in that: A stopper (17) is provided on the housing (1), a stopper (23) is protruded from the positioning seat (21), and the stopper (23) and the stopper (17) are plugged into each other.

6. The knock-out hole structure of a housing according to claim 1, characterized in that: A limiting portion (12) is protruded inside the housing (1), a limiting groove (13) is provided on the limiting portion (12), the limiting groove (13) is communicated with the knock-out hole (11), the hole cover (2) can enter and exit the limiting groove (13) and the knock-out hole (11), and the hole cover (2) and the limiting groove (13) are slidably matched.

7. The knock-out hole structure of a housing according to claim 1, characterized in that: At least two knock-out holes (11) are provided on the housing (1), and a hole cover (2) is installed at each knock-out hole (11).

8. The knock-out hole structure of a housing according to claim 1, characterized in that: The first positioning column (14) is located on the inner side of the housing (1), and the positioning seat (21) is located on the inner side of the housing (1).

9. An air conditioner, characterized in that: A shell knock-out hole structure comprising any one of claims 1-8.

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