CN216522035U

CN216522035U - Connection structure and air conditioner indoor unit

Info

Publication number: CN216522035U
Application number: CN202122878113.XU
Authority: CN
Inventors: 毛华军; 胡辉; 周柏松; 韦善蒙; 杨慧敏
Original assignee: GD Midea Heating and Ventilating Equipment Co Ltd; Hefei Midea Heating and Ventilating Equipment Co Ltd
Current assignee: GD Midea Heating and Ventilating Equipment Co Ltd; Hefei Midea Heating and Ventilating Equipment Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-13
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a connecting structure and an air conditioner indoor unit, wherein the connecting structure comprises: enclosing plates; the lifting lug is provided with a first surface provided with a first limiting piece; the first end of the inserting fastener is connected with the first surface, the second end of the inserting fastener is arranged at an interval with the first surface, and a space for inserting the enclosing plate is formed between the inserting fastener and the first surface; wherein, first locating part with the fastener supports respectively and leans on the back of the body both sides that carry on one's back of the body.

Description

Connection structure and air conditioner indoor unit

Technical Field

The utility model belongs to the technical field of air conditioner assembly, and particularly relates to a connecting structure and an air conditioner indoor unit.

Background

In the existing embedded air-conditioning indoor unit, the air-conditioning indoor unit is generally fixed on a mounting frame on a ceiling through a plurality of lifting lugs, and the lifting lugs are connected to the periphery of the outer wall of an air-conditioning box body through screws. In the long-term use process, the screw is easy to loosen or fall off, so that the connection of the indoor unit of the air conditioner is not firm enough and easy to fall off, and the manufacturing cost of the connection structure is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a connection structure and an air conditioning indoor unit, so as to solve the technical problem of how to improve the stability of the connection structure and reduce the manufacturing cost.

The technical scheme of the utility model is realized as follows:

an embodiment of the present invention provides a connection structure, including: enclosing plates; the lifting lug is provided with a first surface provided with a first limiting piece; the first end of the inserting fastener is connected with the first surface, the second end of the inserting fastener is arranged at an interval with the first surface, and a space for inserting the enclosing plate is formed between the inserting fastener and the first surface; wherein, first locating part with the fastener supports respectively and leans on the back of the body both sides that carry on one's back of the body.

In some embodiments, the distance between the first end and the first surface increases from the first end to the second end.

In some embodiments, the fastening member includes an extension portion extending to the second end, and an extending direction of the extension portion is parallel to an extending direction of the first surface.

In some embodiments, the first limiting member is located at a distance from the first end in the extending direction of the first surface, which is smaller than the distance from the second end.

In some embodiments, a cross-sectional area of the first retaining member decreases as the first retaining member approaches the second end, and the cross-section is perpendicular to an extending direction of the first surface.

In some embodiments, the first position-limiting member is a protrusion protruding from the first surface.

In some embodiments, a second limiting member is disposed on the enclosing plate, and the second limiting member is a groove abutted to the protrusion.

In some embodiments, a third limiting member is disposed on the enclosing plate, and the third limiting member is an abutting member that is offset from the protrusion and abuts against the first surface.

In some embodiments, the first position-limiting member is a groove disposed on the first surface, and the groove abuts against a protrusion disposed on the enclosing plate.

An embodiment of the present invention further provides an air conditioner indoor unit, including: the connecting structure according to any one of the above.

The connecting structure comprises a surrounding plate, a lifting lug and an inserting and buckling piece, wherein the lifting lug is provided with a first surface provided with a first limiting piece, the first end of the inserting and buckling piece is connected with the first surface, a space for inserting the surrounding plate is formed between the inserting and buckling piece and the first surface, and the first limiting piece and the inserting and buckling piece respectively abut against two opposite sides of the surrounding plate. According to the embodiment of the utility model, the structure that the inserting fastener and the first limiting piece are combined is adopted, so that the inserting fastener and the first limiting piece can clamp the enclosing plate from two sides of the enclosing plate, the connection stability of the lifting lug and the enclosing plate is improved, and the risk that the enclosing plate and the lifting lug are loosened after assembly is reduced.

Drawings

FIG. 1 is a perspective view of a connection structure in an embodiment of the present invention;

FIG. 2 is a perspective view of a lifting lug in an embodiment of the present invention;

figure 3 is an elevation view of a lifting lug in an embodiment of the utility model;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a perspective view of a first shroud in an embodiment of the present invention;

FIG. 7 is a perspective view of a second type of shroud in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a first position-limiting member according to an embodiment of the utility model;

fig. 9 is a schematic structural diagram of a first type of third limiting element according to an embodiment of the disclosure;

fig. 10 is a schematic structural diagram of a second type of third limiting element according to an embodiment of the disclosure;

fig. 11 is a schematic structural diagram of a third type of third limiting element according to an embodiment of the disclosure.

Description of reference numerals:

1. enclosing plates; 11. flanging; 12. a second limiting member; 13. a third limiting member; 2. lifting lugs; 21. a first limit piece; 22. a first surface; 23. a fixed part; 24. a hook portion; 25. an installation part; 3. a fastener; 31. a first end; 32. a second end; 33. a first extension portion; 34. a second extension portion; 35. a third extension portion; a. a space.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various possible combinations of the specific features of the utility model will not be described further.

In the following description, the term "first/second/so" is used merely to distinguish different objects and does not mean that there is a common or relationship between the objects. It should be understood that the description of the "upper", "lower", "outer" and "inner" directions as related to the orientation in the normal use state, and the "left" and "right" directions indicate the left and right directions indicated in the corresponding schematic drawings, and may or may not be the left and right directions in the normal use state.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. "plurality" means greater than or equal to two.

The embodiment of the utility model provides a connecting structure which can be applied to devices such as an air conditioner indoor unit, an air duct machine and the like. It should be noted that the application scenario type of the embodiment of the present invention does not limit the connection structure of the embodiment of the present invention.

The following description will be given taking an example of the application of the connection structure to an indoor unit of an air conditioner, where the indoor unit of the air conditioner is a device for adjusting the temperature and humidity of indoor ambient air, and is connected to the indoor unit of the air conditioner through the connection structure, and then the connection structure is connected to an indoor beam or wall, so as to reduce the installation difficulty of the indoor unit of the air conditioner.

The utility model provides a connecting structure, which comprises a coaming 1, a lifting lug 2 and a fastener 3, as shown in figures 1 and 2. The enclosing plate 1 can be used for representing a part of the air conditioner indoor unit, which is used for being connected with the lifting lug 2, and in other application scenarios, the enclosing plate 1 is used for representing a part of other devices, which is used for being connected with the lifting lug 2. The lifting lug 2 may include a fixing portion 23, a hooking portion 24 and a mounting portion 25, wherein the fixing portion 23 extends along a first direction (a vertical direction shown in fig. 1), the fixing portion 23 may be a flat plate structure, and an extending direction of the fixing portion 23 indicates a direction of a maximum size of the fixing portion 23, in an embodiment of the present invention, the fixing portion 23 has two opposite ends in the first direction, wherein one end (an upper end shown in fig. 1) of the fixing portion 23 is connected to the hooking portion 24, and the hooking portion 24 may be configured to be connected to a water pan of the indoor unit of the air conditioner; the other end of the fixing portion 23 is connected to a mounting portion 25, and the mounting portion 25 may be used to cooperate with an external hanger rod to improve the stability of the assembly of the connection structure.

In the embodiment of the present invention, the lifting lug 2 has a first surface 22 (shown in fig. 2) on which the first limiting member 21 is disposed, the first surface 22 may be a surface in the fixing portion 23 for cooperating with the enclosure plate 1, and the first limiting member 21 is configured to abut against the enclosure plate 1 when the enclosure plate 1 cooperates with the lifting lug 2, so as to improve the stability of the connection between the enclosure plate 1 and the lifting lug 2.

As shown in fig. 2, the fastening member 3 has two opposite ends in the length direction, the fastening member 3 includes a first end 31 and a second end 32, the first end 31 of the fastening member 3 is connected to the first surface 22, wherein the fastening member 3 can be connected to the edge of the first surface 22 in the first direction, the first direction indicates the length direction of the fixing portion 23, the first end 31 of the fastening member 3 is connected to the edge of the first surface 22 in the first direction, so that in the process of matching the fastening member 3 with the enclosure 1, a through hole for the fastening member 3 to pass through is not required to be provided in the enclosure 1, only the edge of the enclosure 1 is required to be inserted between the fastening member 3 and the first surface 22 from the second end 32 of the fastening member 3, and no hole needs to be formed in the enclosure 1, which is favorable for improving the deformation resistance of the enclosure. The second end 32 of the fastening member 3 is spaced from the first surface 22, and a space a for inserting the shroud plate 1 is formed between the fastening member 3 and the first surface 22.

As shown in fig. 1 and 2, the first limiting member 21 and the fastening member 3 respectively abut against two opposite sides of the enclosing plate 1. In the state that the enclosing plate 1 is connected with the lifting lug 2, one end (the upper end shown in fig. 1) of the enclosing plate 1 in the first direction extends into the space a, one end of the enclosing plate 1 can abut against the first end 31 of the inserting fastener 3 in the space a, the inserting fastener 3 can be elastically connected with the first surface 22, in the process that the enclosing plate 1 is inserted between the inserting fastener 3 and the first surface 22, the inserting fastener 3 can generate displacement relative to the first surface 22, and in the state that the end part of the enclosing plate 1 abuts against the first end 31 of the inserting fastener 3, the inserting fastener 3 abuts against the enclosing plate 1 in the direction close to the first surface 22 under the action of elastic force; in the process, the first surface 22 is extruded on the enclosing plate 1, the first limiting part 21 arranged on the first surface 22 can generate reaction force on the enclosing plate 1, so that the first limiting part 21 and the inserting and fastening part 3 apply the action force on the enclosing plate 1 from two opposite directions, the first limiting part 21 and the inserting and fastening part 3 clamp the enclosing plate 1 together, the connection stability of the enclosing plate 1 and the lifting lug 2 is improved, and the risk that the enclosing plate and the lifting lug are loosened after assembly is reduced.

The embodiment of the utility model provides a connecting structure which comprises a surrounding plate, a lifting lug and a fastener, wherein the lifting lug is provided with a first surface provided with a first limiting piece, the first end of the fastener is connected with the first surface, a space for inserting the surrounding plate is formed between the fastener and the first surface, and the first limiting piece and the fastener respectively abut against two opposite sides of the surrounding plate. According to the embodiment of the utility model, the structure that the inserting fastener and the first limiting piece are combined is adopted, so that the inserting fastener and the first limiting piece can clamp the enclosing plate from two sides of the enclosing plate, the connection stability of the lifting lug and the enclosing plate is improved, and the risk that the enclosing plate and the lifting lug are loosened after assembly is reduced.

In some embodiments, as shown in fig. 3-5, the distance between the receptacle 3 and the first surface 22 increases from the first end 31 to the second end 32. As shown in fig. 4, the first end 31 of the fastening member 3 is connected to the first surface 22, the second end 32 of the fastening member 3 is spaced from the first surface 22, and during the process of matching the enclosure plate with the lifting lug, the edge of the enclosure plate extends into the space a between the fastening member 3 and the first surface 22 from the second end 32 of the fastening member 3, and the edge of the enclosure plate can abut against the first end 31 of the fastening member 3.

According to the embodiment of the utility model, the distance between the buckle piece and the first surface is reduced from the second end to the first end, so that the extrusion force applied to the enclosing plate is increased in the process of inserting the enclosing plate between the buckle piece and the first surface, and the difficulty in assembling the enclosing plate and the buckle piece is reduced.

In some embodiments, as shown in fig. 5, the fastening member 3 includes a first extension portion 33, a second extension portion 34 and a third extension portion 35 connected in sequence, wherein the first end 31 is located at one end of the first extension portion 33, the other end of the first extension portion 33 is connected to one end of the second extension portion 34, the other end of the second extension portion 34 is connected to one end of the third extension portion 35, and the other end of the third extension portion 35 is the second end 32. The second end 32 is spaced apart from the first surface 22, the extending direction of the first extending portion 33 may be perpendicular to the first surface 22, the distance between the second end 32 and the first surface 22 is greater than that between the first end 31, and the second extending portion 34 and the third extending portion 35 may be disposed at two different slopes relative to the first surface 22, that is, the included angles between the second extending portion 34 and the third extending portion 35 and the first surface 22 may be different, for example, the included angle between the second extending portion 34 and the first surface 22 may be smaller than the included angle between the third extending portion 35 and the first surface 22. In the embodiment of the utility model, by arranging the second extension part 34 and the third extension part 35, the second end 32 is arranged in the second extension part 34, and in the process of matching the enclosing plate with the lifting lug, the enclosing plate firstly passes through the third extension part 35, and because the included angle between the third extension part 35 and the first surface 22 relative to the second extension part 34 is larger, the distance between the third extension part 35 and the first surface 22 is larger than that between the second extension part 34, which is beneficial to extending the enclosing plate between the third extension part 35 and the first surface 22; in the process of extending the enclosing plate between the second extending portion 34 and the first surface 22, since the distance between the second extending portion 34 and the first surface 22 is smaller than the third extending portion 35, the second extending portion 34 is closer to the enclosing plate relative to the third extending portion 35, which is beneficial for the close fit between the second extending portion 34 and the enclosing plate.

In some embodiments, the fastening member 3 includes an extension portion extending to the second end, and the extension portion extends in a direction parallel to the extension direction of the first surface 22. The extending portions may include the second extending portion 34 and the third extending portion 35, and the extending direction of the second extending portion and the third extending portion may be parallel to the extending direction of the first surface 22. According to the embodiment of the utility model, the extending direction of the extending part extending to the second end is parallel to the extending direction of the first surface, so that the extending part is more beneficial to being attached to the enclosing plate, and the stability of assembly connection is improved.

In some embodiments, as shown in fig. 6, one end of the enclosing plate 1 in the first direction may be provided with a flange 11, the extending direction of the flange 11 is parallel to the extending direction of the enclosing plate 1, and by setting one end of the enclosing plate as the flange 11, on one hand, in the case that the thickness of the enclosing plate itself is small, the provided flange may fill the gap between the first surface and the fastener, so as to improve the clamping force between the lifting lug and the enclosing plate; on the other hand, the edge of the enclosing plate is provided with the flanging, so that the edge of the enclosing plate is smooth, the risk of scratching hands at the edge of the enclosing plate can be reduced, and the safety of the assembling process is improved.

In some embodiments, one end of the enclosing plate in the first direction may be configured as a curled edge, that is, one end of the enclosing plate is curled inward or outward to form a curled edge of the enclosing plate, the cross section of the curled edge may be substantially regarded as a circle, and by providing the curled edge at the edge of the enclosing plate, after the enclosing plate is assembled with the lifting lug, the lifting lug and the enclosing plate can be effectively stressed, and the fitting degree of the enclosing plate and the lifting lug can be improved.

In some embodiments, as shown in fig. 2 and 4, the first position-limiting member 21 is a protrusion protruding from the first surface 22. Through setting up the arch on first surface 22, under the state that the bounding wall inserted between fastener and the first surface, fastener can act on a clamp force to the bounding wall towards the first surface, and first locating part can act on a clamp force to the bounding wall towards fastener, and the bounding wall can be connected with the lug more firm under the effect of the clamp force of two directions.

In some embodiments, as shown in fig. 7, a second stopper 12 may be disposed on the shroud, and the second stopper 12 is a groove abutting against the protrusion. Through set up on the bounding wall with first locating part complex second locating part, through the butt of two locating parts, make the relative position location of bounding wall and lug accurate easily, be favorable to improving the stability that bounding wall and lug are connected.

In some embodiments, the positions of the protrusion and the groove may be replaced between the enclosure and the lifting lug, for example, the first limiting member 21 is a groove disposed on the first surface, the second limiting member is a protrusion, and the groove abuts against the protrusion disposed on the enclosure, which can also improve the stability of the connection between the enclosure and the lifting lug.

In some embodiments, as shown in fig. 8, the first limiting member 21 is located at a distance from the first end 31 to the second end 32 in the extending direction of the first surface 22. That is to say, the first limiting member 21 may be configured to be an irregular structure, and when the first limiting member 21 is configured to be convex relative to the first surface 22, one side of the first limiting member 21 close to the fastening member 3 may be obliquely configured, and a distance between the first limiting member 21 and the fastening member 3 in a direction from the second end 32 to the first end 31 may be gradually reduced, which is similar to a wedge-shaped structure, so that in a process of inserting the enclosing plate between the fastening member and the first surface, the enclosing plate may be limited from loose to tight, which is beneficial to improving assembly efficiency, and effective stress and fitting degree of the first limiting member and the enclosing plate in the lifting lug are improved.

In some embodiments, as shown in fig. 8, the cross-sectional area of the first limiting member 21 decreases as approaching the second end 32, and the cross-sectional area is perpendicular to the extending direction of the first surface 22, wherein the extending direction of the first surface 22 can be regarded as a straight line in the vertical direction in fig. 8, and the cross-sectional area can be regarded as the distance between the first limiting member 21 and the first surface 22 of the straight line in the horizontal direction in fig. 8. According to the embodiment of the utility model, the cross section area of the first limiting part is reduced from the position close to the second end, so that the effective stress and the attaching degree of the first limiting part and the coaming in the lifting lug are improved.

In some embodiments, the first limiting member may also be configured as a circular or transverse rib, and after the lifting lug is assembled with the enclosing plate, the effective stress on the first limiting member and the enclosing plate can be improved, and the fitting degree of the first limiting member and the enclosing plate can be improved.

In some embodiments, as shown in fig. 9, a third limiting member 13 is disposed on the enclosing plate 1, the third limiting member 13 is an abutting member that is staggered from the first limiting member and abuts against the first surface, wherein the third limiting member 13 may be disposed as a protrusion structure, and by disposing the third limiting member 13 on the enclosing plate 1, the third limiting member 13 can limit the first limiting member in a direction (a left-right direction shown in fig. 9) perpendicular to an extending direction of the first surface. The number of the third limiting members 13 may be multiple, four third limiting members 13 are provided in the embodiment shown in fig. 9, and every two third limiting members 13 may be matched with one first limiting member, so that the third limiting members 13 limit the positions of the left and right ends of the first limiting member, and correspondingly, the number of the third limiting members may be correspondingly set according to the number of the first limiting members.

In some embodiments, as shown in fig. 10, the third limiting members 13 may also be disposed on the same side of all the first limiting members 21 in the extending direction of the first surface (the up-down direction shown in fig. 10), for example, in a case that a plurality of first limiting members 21 are disposed, the third limiting member 13 corresponding to each first limiting member 21 may be disposed on the lower side of the first limiting member 21, and in an assembling process, the lifting lug may be engaged with the enclosing plate from top to bottom, so that the third limiting member 13 can limit the side (the lower side shown in fig. 10) in the extending direction of the first surface without affecting the assembling process.

In some embodiments, as shown in fig. 11, the third limiting member 13 may be configured to be a special-shaped structure, as long as the third limiting member 13 can limit the first limiting member 21 with a plurality of directional degrees of freedom, for example, the third limiting member 13 is configured to be an arc-shaped structure, each third limiting member 13 has an opening side, and the opening direction of the third limiting member 13 is upward, so that the first limiting member 21 can enter the third limiting member 13 from the upper end of the third limiting member 13, and the first limiting member 21 and the third limiting member 13 are matched. According to the embodiment of the utility model, the third limiting part is arranged on the enclosing plate, so that the connection stability of the lifting lugs and the enclosing plate can be improved, and the risk of loosening of the enclosing plate relative to the lifting lugs is reduced.

The embodiment of the utility model also provides an air conditioner indoor unit which comprises the connecting structure according to any one of the embodiments. This connection structure includes bounding wall, lug and eye-splice spare, and the lug has the first surface that sets up first locating part, and the first end and the first surface of eye-splice spare are connected, form between eye-splice spare and the first surface to be used for bounding wall male space, and first locating part and eye-splice spare lean on the both sides of carrying on the back of the body of bounding wall respectively. According to the embodiment of the utility model, the structure that the inserting fastener and the first limiting part are combined is adopted, so that the inserting fastener and the first limiting part can clamp the enclosing plate from two sides of the enclosing plate, the connection stability of the lifting lug and the enclosing plate is improved, the risk that the enclosing plate and the lifting lug are loosened after assembly is reduced, and the installation stability and safety of the indoor unit of the air conditioner are further improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. A connecting structure, characterized by comprising:

enclosing plates;

the lifting lug is provided with a first surface provided with a first limiting piece;

the first end of the inserting fastener is connected with the first surface, the second end of the inserting fastener is arranged at an interval with the first surface, and a space for inserting the enclosing plate is formed between the inserting fastener and the first surface;

wherein, first locating part with the fastener supports respectively and leans on the back of the body both sides that carry on one's back of the body.

2. The connecting structure according to claim 1, wherein the distance from the first end to the second end of the fastening member to the first surface increases.

3. The connecting structure according to claim 1, wherein the fastening member includes an extension portion extending to the second end, and an extending direction of the extension portion is parallel to an extending direction of the first surface.

4. The connecting structure according to claim 1, wherein the first stopper is located at a distance from the first end smaller than a distance from the second end in the extending direction of the first surface.

5. The connecting structure according to claim 4, wherein a cross-sectional area of the first retaining member decreases as it approaches the second end, the cross-section being perpendicular to an extending direction of the first surface.

6. The connecting structure according to claim 1, wherein the first retaining member is a protrusion protruding from the first surface.

7. The connecting structure according to claim 6, wherein a second stopper is provided on the shroud plate, and the second stopper is a groove abutting against the protrusion.

8. The connecting structure according to claim 6, wherein a third stopper is provided on the shroud plate, and the third stopper is an abutting member that is offset from the protrusion and abuts against the first surface.

9. The connecting structure according to claim 1, wherein the first retaining member is a groove provided on the first surface, and the groove abuts against a protrusion provided on the shroud.

10. An indoor unit of an air conditioner, comprising:

the connecting structure according to any one of claims 1 to 9.