CN220436760U

CN220436760U - Air conditioner and middle frame and base assembly structure thereof

Info

Publication number: CN220436760U
Application number: CN202322340969.0U
Authority: CN
Inventors: 李枝雁; 范慧; 戴光军; 吴伟超; 王磊
Original assignee: Zhejiang Zhongguang Electric Appliance Group Co Ltd
Current assignee: Zhejiang Zhongguang Electric Appliance Group Co Ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-02-02
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses an air conditioner and a middle frame and base assembly structure thereof, wherein the middle frame is connected with the base through a knob, a through hole is formed in the middle frame, a notch is formed in the front end of the base, and a first protrusion is arranged on the side wall of the notch; the knob comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected, the outer diameters of the first connecting part, the second connecting part and the third connecting part are sequentially increased, a second bulge is arranged on the outer peripheral surface of the first connecting part, and a clamping groove is formed between the second bulge and the second connecting part; the knob is rotated to enable the first bulge on the base to be inserted into the clamping groove on the knob, the base, the middle frame and the third connecting portion are sequentially abutted, and the third connecting portion and the second bulge are respectively abutted to the middle frame and the first bulge and clamp the middle frame and the base. So set up for the connection structure of center and base is simpler, and the connection is more firm.

Description

Air conditioner and middle frame and base assembly structure thereof

Technical Field

The utility model relates to the field of air conditioners, in particular to an air conditioner and a middle frame and base assembly structure thereof.

Background

The middle frame and the base of the air conditioner on the market usually adopt self-tapping screws as main fasteners, and in the use process of the self-tapping screws, the situation of sliding teeth often occurs, so that the middle frame and the base of the plastic are maintained or even scrapped.

Patent document with publication number CN213713497U discloses a clamping connection structure, an air conditioner indoor unit and an air conditioner, the clamping connection structure comprises a clamping piece, a first structure to be clamped and a second structure to be clamped; the clamping piece comprises a body, a first protruding structure and a limiting piece, wherein the first protruding structure and the limiting piece are arranged on the body; the body rotatably penetrates through a first through hole formed in the first structure to be clamped, the first through hole is suitable for the first protruding structure to pass through, and the first protruding structure is suitable for being clamped with the second structure to be clamped; the first structure to be clamped is further provided with a first limiting structure, and when the clamping part is rotated to the first protruding structure and the second structure to be clamped are released, the first limiting structure is matched with the limiting part to limit the clamping part to be separated from the first structure to be clamped.

The clamping structure in the prior art is huge in size, and the connecting structure form of the base and the middle frame is complex, so that the production and the manufacturing of products are not facilitated.

Disclosure of Invention

In order to solve the problem that a connecting structure of a base and a middle frame is complex in the prior art, the utility model aims to provide an air conditioner and a middle frame and base assembling structure thereof.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the middle frame is connected with the base through a knob, a through hole is formed in the middle frame, a notch is formed in the front end of the base, and a first protrusion is arranged on the side wall of the notch; the knob comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected, the outer diameters of the first connecting part, the second connecting part and the third connecting part are sequentially increased, a second bulge is arranged on the outer peripheral surface of the first connecting part, and a clamping groove is formed between the second bulge and the second connecting part; the knob can be inserted into the through hole of the middle frame and the notch of the base, the third connecting part is positioned at the outer side of the middle frame, and the first connecting part and the second bulge can extend into the notch of the base; the knob is rotated to enable the first bulge on the base to be inserted into the clamping groove on the knob, the base, the middle frame and the third connecting portion are sequentially abutted, and the third connecting portion and the second bulge are respectively abutted to the middle frame and the first bulge and clamp the middle frame and the base.

Preferably, the clamping groove is in interference fit with the first protrusion.

Preferably, the interference of the clamping groove and the first bulge is 0.5mm.

Preferably, the outer diameter of the second connecting portion is the same as the inner diameter of the through hole on the middle frame, and the outer diameter of the third connecting portion is larger than the inner diameter of the through hole on the middle frame.

Preferably, the base is provided with a third protrusion for limiting the rotation angle of the knob.

Preferably, the third protrusion is provided on the first protrusion.

Preferably, the end of the third connecting portion is provided with a fourth protrusion for holding.

Preferably, the second protrusion is fan-shaped; the first bulge is wedge-shaped, and the first bulge is arranged on the inner wall of the notch at the upper side, and is thick at the upper part and thin at the lower part.

Preferably, two second protrusions are provided, and the two second protrusions are symmetrically arranged.

An air conditioner comprises the middle frame and base assembly structure.

The technical scheme of the utility model has the beneficial effects that: above-mentioned assembly structure carries out spacingly with knob and base through the draw-in groove, then through the interval of the first arch of length restriction and center of second connecting portion, and then fix center and base together, and such assembly structure is simpler to knob overall length is shorter.

Drawings

FIG. 1 is a schematic view of a first structure of a center and base assembly;

FIG. 2 is a schematic diagram of a center and base assembly;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is a schematic view of the structure of the base;

FIG. 6 is an enlarged view of FIG. 5 at C;

fig. 7 is a schematic structural view of a knob.

Reference numerals: 1. a middle frame; 2. a base; 21. a notch; 22. a first protrusion; 23. a third protrusion; 3. a knob; 31. a first connection portion; 32. a second connecting portion; 33. three connecting parts; 34. a second protrusion; 35. a fourth protrusion; 36. a clamping groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

1-7, wherein a middle frame 1 and a base 2 are connected through a knob 3, a through hole is formed in the middle frame 1, a notch 21 is formed in the front end of the base 2, and a first protrusion 22 is formed on the side wall of the notch 21; the knob 3 comprises a first connecting part 31, a second connecting part 32 and a third connecting part 33 which are sequentially connected, the outer diameters of the first connecting part 31, the second connecting part 32 and the third connecting part 33 are sequentially increased, a second bulge 34 is arranged on the outer peripheral surface of the first connecting part 31, and a clamping groove is formed between the second bulge 34 and the second connecting part 32; the knob 3 can be inserted into the through hole of the middle frame 1 and the notch 21 of the base 2, the third connecting part 33 is positioned outside the middle frame 1, and the first connecting part 31 and the second bulge 34 can extend into the notch 21 of the base 2; the knob 3 is turned to enable the first protrusion 22 on the base 2 to be inserted into the clamping groove 36 on the knob 3, the base 2, the middle frame 1 and the third connecting portion 33 are sequentially abutted, and the third connecting portion 33 and the second protrusion 34 are respectively abutted with the middle frame 1 and the first protrusion 22 and clamp the middle frame 1 and the base 2.

So set up, above-mentioned assembly structure carries out spacingly with knob 3 and base 2 through draw-in groove 36, then through the interval of the first protruding 22 of length restriction and center 1 of second connecting portion 32, and then fix center 1 and base 2 together, and such assembly structure is simpler to knob 3 overall length is shorter.

In order to ensure the connection strength between the middle frame 1 and the base 2, in this embodiment, as shown in fig. 3 and 4, the clamping groove 36 is in interference fit with the first protrusion 22; specifically, the interference of the clamping groove 36 with the first protrusion 22 is 0.5mm. Further preferably, as shown in fig. 5 and 6, the base 2 is provided with a third protrusion 23 for limiting the rotation angle of the knob 3; in this way, the relative positions of the first protrusion 22 and the second protrusion 34 can be ensured, and the stability of the connection between the middle frame 1 and the base 2 can be ensured. Specifically, the third projection 23 is provided on the first projection 22.

In order to make the connection between the middle frame 1 and the base 2 more stable, in this embodiment, as shown in fig. 4, the outer diameter of the second connecting portion 32 is the same as the inner diameter of the through hole on the middle frame 1, and the outer diameter of the third connecting portion 33 is larger than the inner diameter of the through hole on the middle frame 1. So set up for second connecting portion 32 can imbed in the through-hole of center 1, avoid knob 3 and center 1 relative movement, guarantee center 1 and the stability of base 2 connection.

In order to facilitate the action of the knob 3, in this embodiment, as shown in fig. 3 and 4, the end of the third connecting portion 33 is provided with a fourth protrusion 35 for holding by hand; and two second protrusions 34 are provided, and the two second protrusions are symmetrically disposed. So arranged, the worker can better control the rotation of the knob 3 through the fourth protrusion 35, and the two second protrusions 34 can complete the quick connection of the middle frame 1 and the base 2. Further preferably, the fourth protrusion 35 is wavy, and two ends of the fourth protrusion 35 correspond to the two second protrusions 34, respectively. In this way, in assembling the middle frame 1 and the base 2, the worker can turn the knob 3 more easily, and determine the position of the second protrusion 34 located inside the base 2 by the posture of the fourth protrusion 35.

To further improve the stability of the connection between the middle frame 1 and the base 2, in this embodiment, as shown in fig. 3 to 7, the second protrusion 34 is in a fan shape; the first bulge 22 is wedge-shaped, the first bulge 22 is arranged on the inner wall of the notch 21 positioned at the upper side, and the first bulge 22 is thick at the upper part and thin at the lower part; therefore, after the middle frame 1 and the base 2 are fixed, the fan-shaped surface of the second protrusion 34 on the knob 3 is connected with the wedge-shaped first protrusion 22, so that a larger contact area exists between the knob 3 and the base 2, and the middle frame 1 and the base 2 can be connected more stably.

When the knob 3 is used to connect the middle frame 1 and the base 2: the worker holds the fourth protrusion 35 and inserts the knob 3 into the through hole of the middle frame 1 and the notch 21 of the base 2, wherein the second protrusion 34 is positioned in the notch 21 of the base 2, and the outer wall of the second connecting part 32 abuts against the inner wall of the through hole; then, the knob 3 is rotated by the fourth protrusion 35, so that the clamping groove 36 of the knob 3 moves towards the first protrusion 22, the first protrusion 22 is inserted into the clamping groove 36 until the first protrusion 23 abuts against the third protrusion, the knob 3 stops rotating, and the base 2 and the middle frame 1 are fixed together by the knob.

An air conditioner comprises the middle frame and base assembly structure.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims

1. The utility model provides a well frame and base assembly structure, well frame (1) and base (2) are connected, its characterized in that through knob (3): the middle frame (1) is provided with a through hole, the front end of the base (2) is provided with a notch (21), and the side wall of the notch (21) is provided with a first bulge (22);

the knob (3) comprises a first connecting part (31), a second connecting part (32) and a third connecting part (33) which are sequentially connected, the outer diameters of the first connecting part (31), the second connecting part (32) and the third connecting part (33) are sequentially increased, a second bulge (34) is arranged on the outer peripheral surface of the first connecting part (31), and a clamping groove (36) is formed between the second bulge (34) and the second connecting part (32);

the knob (3) can be inserted into the through hole of the middle frame (1) and the notch (21) of the base (2), the third connecting part (33) is positioned at the outer side of the middle frame (1), and the first connecting part (31) and the second bulge (34) can extend into the notch (21) of the base (2); the knob (3) is rotated, the first bulge (22) on the base (2) can be inserted into the clamping groove (36) on the knob (3), the base (2), the middle frame (1) and the third connecting portion (33) are sequentially abutted, and the third connecting portion (33) and the second bulge (34) are respectively abutted against the middle frame (1) and the first bulge (22) and clamp the middle frame (1) and the base (2).

2. A center and base assembly as set forth in claim 1 wherein: the clamping groove (36) is in interference fit with the first protrusion (22).

3. A center and base assembly as set forth in claim 2 wherein: the interference of the clamping groove (36) and the first bulge (22) is 0.5mm.

4. A center and base assembly as set forth in claim 1 wherein: the outer diameter of the second connecting part (32) is the same as the inner diameter of the through hole on the middle frame (1), and the outer diameter of the third connecting part (33) is larger than the inner diameter of the through hole on the middle frame (1).

5. A center and base assembly as set forth in claim 1 wherein: the base (2) is provided with a third bulge (23) for limiting the rotation angle of the knob (3).

6. A center and base assembly as set forth in claim 5 wherein: the third protrusion (23) is provided on the first protrusion (22).

7. A center and base assembly as set forth in claim 1 wherein: the end of the third connecting part (33) is provided with a fourth bulge (35) for holding.

8. A center and base assembly as set forth in claim 1 wherein: the second bulge (34) is in a sector shape; the first bulge (22) is wedge-shaped, the first bulge (22) is arranged on the inner wall of the notch (21) positioned at the upper side, and the first bulge (22) is thick at the upper part and thin at the lower part.

9. A center and base assembly as set forth in claim 1 wherein: the number of the second protrusions (34) is two, and the two second protrusions (34) are symmetrically arranged.

10. An air conditioner, characterized in that: a mid-frame and base assembly structure comprising any one of the preceding claims 1-9.