CN106765593B - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The invention discloses an air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises: the bracket comprises a chassis and side fixing parts which are respectively convexly arranged at two ends of the chassis, and two opposite side surfaces of the two side fixing parts are respectively provided with a sliding chute structure; the heat exchanger comprises a front row heat exchange part and a rear row heat exchange part which are enclosed to form a downward flaring, and the rear row heat exchange part is adjacent to the chassis; the upper part of the volute is provided with an air inlet connected with the flaring, and the lower part of the volute is provided with an air outlet; a front water pan and a rear water pan are formed at the upper part of the volute; the left end and the right end of the volute are respectively provided with a sliding convex structure which can be in sliding fit with the sliding groove structure; the motor assembly comprises a motor and a fixing box for accommodating and fixing the motor, and the fixing box is fixed with the volute; and the wind wheel is positioned in the expansion opening, one end of the wind wheel is fixedly connected with the rotating shaft of the motor, and the other end of the wind wheel is pivoted with the inner wall surface of the volute. The air conditioner indoor unit is less in integral assembling and disassembling steps, and a user can conveniently clean the air conditioner indoor unit after maintenance.

Description

Air conditioner indoor unit and air conditioner

Technical Field

the invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and an air conditioner.

Background

In order to facilitate the maintenance or cleaning of the air duct structure of the indoor unit of the air conditioner, which is provided with a volute, a wind wheel, a motor, a water pan and the like and can be independently disassembled, is provided. However, the scheme that the parts to be maintained or cleaned are respectively and independently disassembled has multiple disassembling steps and is complex to disassemble, and the parts which are disassembled at the back in the disassembling process also have the risk of falling, so the overall practicability is low.

The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.

Disclosure of Invention

The invention mainly aims to provide an air conditioner indoor unit and aims to solve the technical problem that the existing air conditioner indoor unit is complex to disassemble.

In order to achieve the above object, the present invention provides an indoor unit of an air conditioner, comprising:

The bracket comprises a chassis and side fixing parts which are respectively convexly arranged at two ends of the chassis, and two opposite side surfaces of the two side fixing parts are respectively provided with a sliding groove structure;

The heat exchanger comprises a front heat exchange part and a rear heat exchange part which is enclosed with the front heat exchange part to form a downward flaring, and the rear heat exchange part is adjacent to the chassis;

The upper part of the volute is provided with an air inlet connected with the flaring, and the lower part of the volute is provided with an air outlet; a front water collecting tray and a rear water collecting tray are respectively formed on the front side and the rear side of the upper part of the volute; the left end and the right end of the volute are respectively provided with a sliding convex structure which can be in sliding fit with the sliding groove structure;

The motor assembly comprises a motor and a fixing box for accommodating and fixing the motor, and the fixing box is fixed with one end of the volute in the left and right directions; and

And the wind wheel is positioned in the expansion opening, one end of the wind wheel is fixedly connected with the rotating shaft of the motor, and the other end of the wind wheel is pivoted with the inner wall surface of the volute.

Preferably, the volute comprises a front coaming and a rear coaming which are oppositely arranged in the front-rear direction, and a side plate which is connected between the front coaming and the rear coaming and is opposite to the fixed box;

The front coaming, the rear coaming, the fixed box and the side plates are encircled to form the air inlet and the air outlet; the front water pan is connected with the front coaming, and the rear water pan is connected with the rear coaming;

the side plate and the fixed box are provided with the sliding groove structure on the surface opposite to the side fixing part; one end of the wind wheel, which is far away from the motor, is pivoted with the side plate.

Preferably, the fixed box comprises a base and a gland, the base and the volute are integrally arranged and form an opening arranged upwards, and the gland covers the opening of the base to fix the motor; the surface of the base opposite to the adjacent side fixing part is provided with the sliding convex structure.

Preferably, the chute structure comprises a first chute and a second chute parallel to the first chute; the sliding convex structure comprises a first sliding shaft and a second sliding shaft, wherein the axis of the second sliding shaft deviates from the first sliding shaft, the first sliding shaft is in sliding fit with the first sliding groove, and the second sliding shaft is in sliding fit with the second sliding groove.

Preferably, the outer diameter of the first sliding shaft is larger than that of the second sliding shaft, and the first sliding shaft on the base protrudes upwards from the open edge of the base.

Preferably, the sliding groove structure extends in an arc shape from top to front and from bottom, and the sliding groove structure comprises a first sliding groove and a second sliding groove parallel to the first sliding groove; the sliding convex structure comprises a first sliding shaft in sliding fit with the first sliding groove and a second sliding shaft in sliding fit with the second sliding groove.

preferably, the width of the first sliding groove is greater than the width of the second sliding groove, and the second sliding groove is disposed at the bottom of the first sliding groove.

Preferably, the bracket further includes a connecting plate extending from a rear edge of one of the side fixing portions to the other side fixing portion, and a guide surface is formed on a surface of the connecting plate facing the scroll casing.

preferably, lugs are arranged on the left end plate and the right end plate of the heat exchanger, which are adjacent to the front water pan, through holes are formed in the lugs, and screw hole columns corresponding to the lugs are arranged at the bottom of the front water pan;

The left end plate and the right end plate of the heat exchanger are provided with buckles adjacent to the base plate, and the base plate is provided with clamping holes matched with the buckles.

The invention also provides an air conditioner, which comprises an air conditioner indoor unit, wherein the air conditioner indoor unit comprises:

The bracket comprises a chassis and side fixing parts which are respectively convexly arranged at two ends of the chassis, and two opposite side surfaces of the two side fixing parts are respectively provided with a sliding groove structure;

the heat exchanger comprises a front heat exchange part and a rear heat exchange part which is matched with the front heat exchange part and forms a downward flaring in a surrounding manner, and the rear heat exchange part is adjacent to the chassis;

the upper part of the volute is provided with an air inlet connected with the flaring, and the lower part of the volute is provided with an air outlet; a front water collecting tray and a rear water collecting tray are respectively formed on the front side and the rear side of the upper part of the volute; the left end and the right end of the volute are respectively provided with a sliding convex structure which can be in sliding fit with the sliding groove structure;

The motor assembly comprises a motor and a fixing box for accommodating and fixing the motor, and the fixing box is fixed with one end of the volute in the left and right directions; and

And the wind wheel is positioned in the expansion opening, one end of the wind wheel is fixedly connected with the rotating shaft of the motor, and the other end of the wind wheel is pivoted with the inner wall surface of the volute.

According to the air conditioner indoor unit, the front water pan and the rear water pan are integrally arranged with the volute, the fixing box for fixing the motor is also fixed on the volute, and the wind wheel is assembled in the volute, so that the front water pan, the rear water pan, the wind wheel and the motor can be disassembled together when the volute is disassembled; during assembly, the motor and the wind wheel can be assembled to the volute and then assembled to the shell of the indoor unit of the air conditioner. Therefore, the steps of integral disassembly and assembly are few, and a user can conveniently clean the air conditioner indoor unit after maintenance.

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a portion of an air conditioning indoor unit according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the air conditioning indoor unit of FIG. 1 taken along line II-II;

FIG. 3 is a schematic view of the volute and rotor of FIG. 2 shown disassembled;

fig. 4 is a partially exploded view of the air conditioning indoor unit of fig. 1;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of the heat exchanger and the bracket of FIG. 4;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

FIG. 8 is a schematic view from another angle of the structure of FIG. 6;

FIG. 9 is an enlarged view of a portion of FIG. 8 at C;

FIG. 10 is an exploded view of the structure of FIG. 6;

FIG. 11 is an enlarged view of a portion of FIG. 10 at D;

fig. 12 is a schematic view of another angle of the stent of fig. 10.

the reference numbers illustrate:

reference numerals	Name (R)	reference numerals	Name (R)	Reference numerals	name (R)
						1	Support frame	23	convex lug	352	Second sliding shaft
11	Chassis	24	Via hole	36	Front wall board
						111	Fastening hole	25	buckle	37	Back panel
12	side fixing part	3	Spiral casing	38	side plate
						13	Sliding chute structure	31	Air inlet	4	motor assembly
131	First chute	32	Air outlet	41	fixing box
						132	second chute	33	Front water pan	411	base seat
14	Connecting plate	331	Screw hole column	412	Gland
						2	Heat exchanger	34	Rear water pan	5	wind wheel
21	Front heat exchange part	35	smooth convex structure
						22	Rear heat exchange part	351	First sliding shaft

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides an indoor unit of an air conditioner.

In an embodiment of the present invention, as shown in fig. 1 to 5, the indoor unit of an air conditioner includes:

The support 1 comprises a chassis 11 and side fixing parts 12 which are respectively arranged at two ends of the chassis 11 in a protruding mode, and two opposite side surfaces of the two side fixing parts 12 are respectively provided with a sliding groove structure 13;

The heat exchanger 2 comprises a front heat exchanging part 21 and a rear heat exchanging part 22 which is matched with the front heat exchanging part 21 to form a downward flaring in a surrounding manner, wherein the rear heat exchanging part 22 is adjacent to the chassis 11;

The upper part of the volute 3 is provided with an air inlet 31 connected with the flaring, and the lower part of the volute is provided with an air outlet 32; a front water collecting tray 33 and a rear water collecting tray 34 are respectively formed at the front side and the rear side of the upper part of the volute 3; the left end and the right end of the volute 3 are respectively provided with a sliding convex structure 35 which can be in sliding fit with the sliding groove structure 13;

A motor assembly 4 including a motor (not shown) and a fixing box 41 for accommodating and fixing the motor, the fixing box 41 being fixed to one end of the scroll casing 3 in the left-right direction; and

and the wind wheel 5 is positioned in the expansion opening, one end of the wind wheel 5 is fixedly connected with the rotating shaft of the motor, and the other end of the wind wheel is pivoted with the inner wall surface of the volute 3.

In the embodiment, the bracket 1 is used for supporting the components such as the heat exchanger 2 and the like which are installed on the bracket, and after the air conditioning indoor unit is installed on a wall body as shown by a letter W in fig. 2, the chassis 11 of the bracket 1 is attached to the wall body. Referring to fig. 4, 6, 8, 10 and 12, the side fixing parts 12 protrude from the front side of the chassis 11 and are opposite to the end of the wind wheel 5, i.e. the wind wheel 5 is located between the two side fixing parts 12.

referring to fig. 1 to 4, 6 and 10, the heat exchanger 2 is used for exchanging heat, such as cooling or heating, for air flowing therethrough, and generally, the heat exchanger 2 is configured to semi-surround the wind wheel 5, and the front heat exchanging portion 21 or the rear heat exchanging portion 22 may be configured in multiple stages to improve heat exchanging efficiency.

Referring to fig. 4 and 5, the fixing box 41 is fixed to the scroll casing 3, and the motor is installed in the fixing box 41, so that the motor can be detached or installed together with the scroll casing 3. The fixing boxes 41 may be integrally or separately provided that the motor can be smoothly installed therein.

referring to fig. 2 to 4, the wind wheel 5 forms a negative pressure at the flared opening of the lower part of the heat exchanger 2 by rotating, thereby forcing the air to flow through the heat exchanger 2 for heat exchange. Further, in order to adapt to a structure of a general wall-hanging machine which is long in the left-right direction, the cross-flow wind wheel 5 is generally selected as the wind wheel 5.

the volute 3 is adapted to cooperate with a wind wheel 5 to direct the airflow in a specific direction, such as the lower front side of the present embodiment. The sliding convex structure 35 on the volute 3 can be directly or indirectly fixedly connected with the bracket 1 through screws after being assembled in place along the sliding groove structure 13. The front drain pan 33 and the rear drain pan 34 of the volute 3 are used for collecting condensed water generated by the front heat exchanging part 21 and the rear heat exchanging part 22, respectively.

in the air-conditioning indoor unit, the front water pan 33 and the rear water pan 34 are integrally arranged with the volute 3, the fixing box 41 for fixing the motor is also fixed on the volute 3, and the wind wheel 5 is assembled in the volute 3, so that when the volute 3 is disassembled, the front water pan 33, the rear water pan 34, the wind wheel 5 and the motor can be disassembled along the S-shaped arrow lead in the figure 3; during assembly, the motor and the wind wheel 5 can be assembled to the volute 3 and then assembled to the shell of the indoor unit of the air conditioner. Therefore, the steps of integral disassembly and assembly are few, and a user can conveniently clean the air conditioner indoor unit after maintenance.

Further, referring to fig. 2 to 4, the scroll casing 3 includes a front panel 36 and a back panel 37 which are disposed opposite to each other in the front-rear direction, and a side panel 38 which is connected between the front panel 36 and the back panel 37 and is opposite to the fixing case 41;

The front coaming plate 36, the back coaming plate 37, the fixed box 41 and the side plate 38 are enclosed to form an air inlet 31 and an air outlet 32; the front water pan 33 is connected with the front coaming 36, and the rear water pan 34 is connected with the rear coaming 37;

The side plate 38 and the fixing box 41 are provided with a sliding chute structure 13 on the surface opposite to the adjacent side fixing part 12; the end of the wind wheel 5 far away from the motor is pivoted with the side plate 38.

in the present embodiment, the dash panel 36 and the back panel 37 are preferably arranged in an arc shape with a concave surface facing forward. The fixing box 41 is used for enclosing an air duct inside the volute 3 with the front wall plate 36, the back wall plate 37 and the side plate 38, so that the matching structure between the volute 3 and the fixing box 41 is more compact.

Further, referring to fig. 5, the fixing box 41 includes a base 411 and a pressing cover 412, the base 411 and the scroll casing 3 are integrally disposed and form an opening disposed upward, the pressing cover 412 covers the opening of the base 411 to fix the motor; the surface of the base 411 opposite to the adjacent side fixing part 12 is provided with a slide convex structure 35.

in this embodiment, the fixing case 41 is formed by enclosing the base 411 and the cover 412 which are separate bodies, and the motor can be easily attached and detached. Further, the base 411 is provided integrally with the scroll casing 3, so that the number of assembling steps can be reduced.

further, referring to fig. 3, 6, 8 and 12, the chute structure 13 includes a first chute 131 and a second chute 132 parallel to the first chute 131; the sliding convex structure 35 includes a first sliding shaft 351 and a second sliding shaft 352 having an axis offset from the first sliding shaft 351, wherein the first sliding shaft 351 is in sliding fit with the first sliding groove 131, and the second sliding shaft 352 is in sliding fit with the second sliding groove 132.

In the present embodiment, the sliding groove structure 13 includes the first sliding groove 131 and the second sliding groove 132, and correspondingly, the sliding protrusion structure 35 includes the first sliding shaft 351 and the second sliding shaft 352, so that the sliding protrusion structure 35 and the sliding groove structure 13 cooperate to form a dual-rail guiding structure, thereby making the assembling and disassembling process of the scroll casing 3 more stable.

further, the outer diameter of the first sliding shaft 351 is larger than that of the second sliding shaft 352, and the first sliding shaft 351 on the base 411 protrudes upward out of the open edge of the base 411.

In this embodiment, the first sliding shaft 351 protrudes out of the open upper edge of the base 411, and the open upper edge is generally closer to the center of mass of the motor, so that the first sliding shaft 351 with a larger outer diameter is close to the center of mass of the motor, thereby better preventing the volute 3 and the motor from swinging integrally. In addition, the first sliding shaft 351 and the second sliding shaft 352 are larger and smaller, and the first sliding shaft and the second sliding shaft are generally arranged below the first sliding shaft 351, so that shielding is not easy to form when the sliding device is installed, and the cooperation between the first sliding shaft 351 and the second sliding shaft 132 and the corresponding first sliding groove 131 and the corresponding second sliding groove 132 are convenient to observe.

Further, the sliding slot structure 13 extends in an arc shape from the top to the front and the bottom, and the sliding slot structure 13 includes a first sliding slot 131 and a second sliding slot 132 parallel to the first sliding slot 131; the slide-protrusion structure 35 includes a first slide shaft 351 slidably engaged with the first slide groove 131, and a second slide shaft 352 slidably engaged with the second slide groove 132.

In this embodiment, the sliding groove structure 13 is arranged in an arc shape, so that the assembly of the sliding protrusion structure 35 is more stable, and preferably, the concave front side of the sliding groove structure 13 is not easy to interfere with objects on the rear side of the volute 3, such as a wall body, in the process of assembling and disassembling the volute 3.

Further, the width of the first sliding slot 131 is greater than the width of the second sliding slot 132, and the second sliding slot 132 is disposed at the bottom of the first sliding slot 131.

In this embodiment, the outer diameter of the first sliding shaft 351 is larger than the outer diameter of the second sliding shaft 352, so that different levels of sliding fit are formed in the slot width direction, and complementary fit can be formed between each other, and at least one of the two pairs of fit between the first sliding slot 131 and the first sliding shaft 351 and between the first sliding slot 131 and the second sliding shaft 352 is ensured to be effective. In addition, the second sliding shaft 352 is adapted to protrude from the first sliding shaft 351 in a direction approaching the adjacent side fixing portion 12, so that the insertion depth is formed at different levels in the direction approaching the adjacent side fixing portion 12, thereby preventing the first sliding shaft 351 and the second sliding groove 132 from being simultaneously removed from the adjacent side fixing portion 12.

further, referring to fig. 6 and 12 again, the bracket 1 further includes a connecting plate 14 extending from the rear edge of the one side fixing portion 12 to the other side fixing portion 12, and a guide surface is formed on one surface of the connecting plate 14 facing the scroll casing 3.

In the present embodiment, when the scroll casing 3 is attached and detached, the rear side surface of the scroll casing 3 can abut against the guide surface of the connection plate 14, and the attachment and detachment of the scroll casing 3 are further facilitated.

Further, referring to fig. 4 to 7, lugs 23 are arranged at positions, adjacent to the front water pan 33, of left and right end plates of the heat exchanger 2, through holes 24 are formed in the lugs 23, and screw hole columns 331 corresponding to the lugs 23 are arranged at the bottom of the front water pan 33; the left end plate and the right end plate of the heat exchanger 2 are provided with buckles 25 adjacent to the chassis 11, and the chassis 11 is provided with clamping holes 111 matched with the buckles 25.

In the embodiment, the heat exchanger 2 can be hooked with the bracket 1 by the engagement of the buckle 25 and the fastening hole 111, and the heat exchanger 2 can be fixed with the volute 3 assembled in place by the arrangement of screws passing through the through holes 24 on the lugs 23 and screwing into the screw holes in the screw hole column 331. Both the fixation of the volute 3 is realized and the heat exchanger 2 can be conveniently detached, it being understood that the volute 3 can also be fixed with the bracket 1 by means of the buckle 25, such as being detachably fixed with the side fixing part 12.

The present invention further provides an air conditioner, including an air conditioner indoor unit, where the specific structure of the air conditioner indoor unit refers to the above-mentioned embodiments, and since the air conditioner employs all technical solutions of all the above-mentioned embodiments, the air conditioner at least has all beneficial effects brought by the technical solutions of the above-mentioned embodiments, and details are not repeated herein.

the above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

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

The bracket comprises a chassis and side fixing parts which are respectively convexly arranged at two ends of the chassis, and two opposite side surfaces of the two side fixing parts are respectively provided with a sliding groove structure;

The heat exchanger comprises a front heat exchange part and a rear heat exchange part which is matched with the front heat exchange part and forms a downward flaring in a surrounding manner, and the rear heat exchange part is adjacent to the chassis;

The upper part of the volute is provided with an air inlet connected with the flaring, and the lower part of the volute is provided with an air outlet; a front water collecting tray and a rear water collecting tray are respectively formed on the front side and the rear side of the upper part of the volute; the left end and the right end of the volute are respectively provided with a sliding convex structure which can be in sliding fit with the sliding groove structure; the sliding groove structure comprises a first sliding groove and a second sliding groove parallel to the first sliding groove, the groove width of the first sliding groove is larger than that of the second sliding groove, and the second sliding groove is arranged at the groove bottom of the first sliding groove;

The sliding convex structure comprises a first sliding shaft in sliding fit with the first sliding groove and a second sliding shaft in sliding fit with the second sliding groove; the outer diameter of the first sliding shaft is larger than that of the second sliding shaft;

The motor assembly comprises a motor and a fixing box for accommodating and fixing the motor, and the fixing box is fixed with one end of the volute in the left and right directions; and

and the wind wheel is positioned in the expansion opening, one end of the wind wheel is fixedly connected with the rotating shaft of the motor, and the other end of the wind wheel is pivoted with the inner wall surface of the volute.

2. An indoor unit of an air conditioner according to claim 1, wherein the scroll casing includes a front panel and a rear panel which are disposed to face each other in a front-rear direction, and a side panel which is connected between the front panel and the rear panel and faces the fixing case;

The front coaming, the rear coaming, the fixed box and the side plates are encircled to form the air inlet and the air outlet; the front water pan is connected with the front coaming, and the rear water pan is connected with the rear coaming;

The side plate and the fixed box are provided with the sliding groove structure on the surface opposite to the side fixing part; one end of the wind wheel, which is far away from the motor, is pivoted with the side plate.

3. The indoor unit of claim 2, wherein the fixing case comprises a base and a pressing cover, the base is integrally formed with the scroll casing and forms an opening facing upward, and the pressing cover is covered on the opening of the base to fix the motor; the surface of the base opposite to the adjacent side fixing part is provided with the sliding convex structure.

4. An indoor unit of an air conditioner according to claim 3, wherein the first slide shaft of the base is projected upward from an open edge of the base.

5. an indoor unit of an air conditioner according to claim 1, wherein said chute structure extends in an arc shape from the upper side to the front lower side.

6. An indoor unit of an air conditioner according to claim 1, wherein the bracket further includes a connecting plate extending from a rear edge of one of the side fixing portions to the other side fixing portion, and a guide surface is formed on a surface of the connecting plate facing the scroll casing.

7. The indoor unit of an air conditioner as claimed in claim 1, wherein the left and right end plates of the heat exchanger are provided with lugs adjacent to the front water pan, the lugs are provided with through holes, and the bottom of the front water pan is provided with screw hole columns corresponding to the lugs;

The left end plate and the right end plate of the heat exchanger are provided with buckles adjacent to the base plate, and the base plate is provided with clamping holes matched with the buckles.

8. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 7.