CN106765591B

CN106765591B - Air conditioner indoor unit and air conditioner

Info

Publication number: CN106765591B
Application number: CN201710036885.4A
Authority: CN
Inventors: 覃强; 陈新厂
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2017-01-18
Filing date: 2017-01-18
Publication date: 2020-03-06
Anticipated expiration: 2037-01-18
Also published as: CN106765591A

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, a side fixing part arranged at one end of the chassis and a connecting part arranged at the other end of the chassis; 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 motor assembly comprises a motor, a motor base and a motor gland, the motor base is fixed with the connecting part, and the motor gland is connected with the lower end opening of the motor base to fix the motor; the opposite two sides of the motor gland and the side fixing part are respectively provided with a sliding chute; the wind wheel is positioned in the flaring; the upper part of the volute forms an air inlet connected with the flaring, and the lower part of the volute forms 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 projection which can be in sliding fit with the sliding groove. The air conditioner indoor unit can independently clean the volute and the water pan, so that the maintenance or the cleaning is very convenient.

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, the indoor unit of the air conditioner is provided, wherein the volute, the wind wheel, the motor and the like can be withdrawn from the lower part of the bracket as a whole, and the water pan needs to be detached independently. Because spiral case, fan, motor etc. are as whole weight big, consequently this kind of whole dismantlement scheme is high to corresponding guide structure's bearing requirement, and comparatively labouring when the user dismouting to still need do further dismantlement if will wash spiral case and water collector.

Disclosure of Invention

The invention mainly aims to provide an air conditioner indoor unit, and aims to solve the technical problem that a volute and a water pan of the existing air conditioner indoor unit are inconvenient to disassemble and assemble.

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

the bracket comprises a chassis, a side fixing part arranged at one end of the chassis and a connecting part arranged at the other end of the chassis;

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

the motor assembly comprises a motor, a motor base and a motor gland, the motor base is fixed with the connecting part, and the motor gland is connected with an opening at the lower end of the motor base to fix the motor; the opposite two sides of the motor gland and the side fixing part are respectively provided with a sliding chute;

the wind wheel is positioned in the flaring, one end of the wind wheel is pivoted with the side fixing part, and the other end of the wind wheel is fixedly connected with a rotating shaft of the motor; and

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 at the front side end and the rear side end of the upper part of the volute; the left end and the right end of the volute are respectively provided with a sliding protrusion which is in sliding fit with the sliding groove.

Preferably, the motor gland comprises an arc-shaped plate matched with the shape of the peripheral surface of the motor, and side plates vertically extending from two opposite arc edges of the arc-shaped plate, the lower edge of the side plate adjacent to the wind wheel extends downwards to form an extension plate, and the sliding grooves in the side plates extend downwards to the extension plate.

Preferably, the motor gland further comprises an end plate extending from the front edge of the arc-shaped plate and connected with the two side plates, and a fixing hole is formed in the upper end surface of the end plate;

the edge of the lower end opening of the motor base is provided with a flange protruding out of the outer wall surface of the motor base, and the flange is provided with a through hole matched with the fixing hole.

Preferably, the motor base and the connecting portion are integrally arranged, and the chassis, the side fixing portion and the connecting portion are integrally arranged.

Preferably, the sliding protrusion is cylindrical, and the upper end of the sliding groove is provided with an arc surface matched with the circumferential surface of the sliding protrusion.

Preferably, the side fixing portions and the connecting portions are both protruded downwards from the lower edge of the chassis, the lower edge of the chassis extends downwards to form a plug board, and a slot for the plug board to be inserted is formed in the rear water receiving tray.

Preferably, the support is further provided with a bearing seat arranged on one side of the side fixing portion facing the wind wheel, the indoor unit of the air conditioner is further provided with a bearing embedded in the bearing seat, and one end, far away from the motor, of the wind wheel is pivoted with the bearing.

Preferably, buckles are arranged on the left end plate and the right end plate of the heat exchanger, which are close to the chassis, and clamping holes matched with the buckles are formed in the chassis.

Preferably, the bottom of the front water pan is provided with a screw hole column, the lower end of the left end plate and the lower end of the right end plate of the heat exchanger are provided with lugs corresponding to the screw hole columns, and the lugs are provided with through holes matched with screw holes in the screw hole columns.

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

According to the air conditioner indoor unit, the water receiving disc is integrally arranged on the volute, the sliding protrusion at one end of the volute is matched with the sliding groove in the side fixing part of the support, the sliding protrusion at the other end of the volute is matched with the sliding groove in the motor gland, the volute can be disassembled and assembled along the extending direction of the sliding groove, the volute and the water receiving disc on the volute are light in weight, so that the volute and the water receiving disc can be independently cleaned, and therefore the air conditioner indoor unit is very convenient to maintain or clean.

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 taken along line II-II in FIG. 1;

FIG. 3 is a schematic view of the sectional volute of FIG. 2 being disassembled;

FIG. 4 is a schematic view of a partially exploded structure of the indoor unit of the air conditioner of FIG. 1;

FIG. 5 is a schematic view of the volute of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 is a schematic structural view of the air conditioning indoor unit of fig. 4 with the volute removed;

FIG. 8 is an enlarged view of a portion of FIG. 7 at B;

FIG. 9 is a schematic structural diagram of the motor cover in FIG. 7;

FIG. 10 is a schematic view of the structure of FIG. 7 with the rotor removed;

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

FIG. 12 is a schematic structural view of the heat exchanger of FIG. 10 with the structure removed;

FIG. 13 is an enlarged view of a portion of FIG. 12 at D;

fig. 14 is a partial enlarged view at E in fig. 12.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						1	Support frame	24	Convex lug	335	End plate
11	Chassis	241	Via hole	336	Fixing hole
						111	Plug board	3	Motor assembly	4	Wind wheel
112	Fastening hole	31	Electric machine	5	Spiral casing
						12	Side fixing part	32	Motor base	51	Air inlet
13	Connecting part	321	Flange	52	Air outlet
						14	Bearing seat	322	Through hole	53	Front water pan
2	Heat exchanger	33	Motor gland	531	Screw hole column
						20	Flaring	331	Sliding chute	54	Rear water pan
21	Front heat exchange part	332	Arc-shaped plate	55	Sliding projection
						22	Rear heat exchange part	333	Side plate	56	Inserting groove
23	Buckle	334	Extension board	6	Bearing assembly

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 and 12, the air conditioning indoor unit includes:

the bracket 1 comprises a chassis 11, a side fixing part 12 arranged at one end of the chassis 11 and a connecting part 13 arranged at the other end of the chassis 11;

the heat exchanger 2 comprises a front heat exchange part 21 and a rear heat exchange part 22 which enclose a downward flaring 20, wherein the rear heat exchange part 22 is adjacent to the chassis 11;

the motor 31 component 3 comprises a motor 31, a motor base 32 and a motor gland 33, the motor base 32 is fixed with the connecting part 13, and the motor gland 33 is connected with the lower end opening of the motor base 32 to fix the motor 31; the opposite two sides of the motor gland 33 and the side fixing part 12 are respectively provided with a sliding chute 331;

the wind wheel 4 is positioned in the flaring 20, one end of the wind wheel 4 is pivoted with the side fixing part 12, and the other end of the wind wheel 4 is fixedly connected with a rotating shaft of the motor 31; and

a volute 5, an air inlet 51 connected with the flaring 20 is formed at the upper part, and an air outlet 52 is formed at the lower part; a front water pan 53 and a rear water pan 54 are respectively formed at the front and rear side ends of the upper part of the volute 5; the left and right ends of the volute 5 are respectively provided with a sliding protrusion 55 which can be in sliding fit with the sliding groove 331.

In this embodiment, referring to fig. 12 to 14, the bracket 1 is used to support the heat exchanger 2 and other components mounted thereon, and after the air conditioning indoor unit is mounted on a wall body as indicated by a letter W in fig. 2, the chassis 11 of the bracket 1 is attached to the wall body. The side fixing part 12 protrudes from the front side of the chassis 11 and is opposite to one end of the wind wheel 4. The connecting portion 13 extends downward from the chassis 11 so that the motor 31 and the side fixing portion 12 can be disposed opposite to each other in the left-right direction when the motor base 32 is installed, that is, the wind wheel 4 is located just between the motor cover 33 and the side fixing portion 12.

Referring to fig. 2 and 3, 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 4, and the front heat exchanging part 21 or the rear heat exchanging part 22 may be configured in multiple sections to improve heat exchanging efficiency.

Referring to fig. 4, 7, 9, 12 and 14, the motor base 32 and the motor gland 33 are generally configured to be detachably connected, for example, by screws or fasteners 23, so that on one hand, the difficulty of manufacturing can be reduced, and on the other hand, the detachment of the wind wheel 4 can be facilitated.

With reference to fig. 2 to 4, and also to fig. 7, the wind wheel 4, by rotating, creates a negative pressure at the lower flared mouth 20 of the heat exchanger 2, thus forcing the air to flow through the heat exchanger 2 for heat exchange. Preferably, 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 4 is generally selected as the wind wheel 4.

Referring to fig. 2 to 6, the volute 5 is adapted to cooperate with the wind wheel 4 to direct the airflow in a specific direction, such as the lower front side of the present embodiment. The volute 5 can be directly or indirectly fixedly connected with the bracket 1 through screws after being assembled in place along the sliding groove 331. A front drain pan 53 and a rear drain pan 54 are formed at both front and rear ends of the upper portion of the scroll casing 5, respectively, so that condensed water generated from the front heat exchanging unit 21 and the rear heat exchanging unit 22 can be conveniently collected.

According to the air-conditioning indoor unit, the water receiving disc is integrally arranged on the volute 5, the sliding protrusion 55 at one end of the volute 5 is matched with the sliding groove 331 on the side fixing part 12 of the support 1, the sliding protrusion 55 at the other end of the volute 5 is matched with the sliding groove 331 on the motor gland 33, the volute 5 can be disassembled and assembled along the extending direction of the sliding groove 331 as shown by a letter S in figure 3, the volute 5 and the water receiving disc on the volute are light in weight, so that the disassembly is relatively easy, and the volute 5 and the water receiving disc can be cleaned independently, so that the maintenance or cleaning is very convenient.

Further, referring to fig. 9, the motor cover 33 includes an arc plate 332 adapted to the shape of the circumference of the motor 31, and a side plate 333 extending perpendicularly from two opposite arc edges of the arc plate 332, a lower edge of the side plate 333 adjacent to the wind wheel 4 extends downward to form an extension plate 334, and a sliding groove 331 on the side plate 333 extends downward to the extension plate 334.

In the embodiment, the sliding groove 331 extends to the extension plate 334, so that the lower end of the sliding groove 331 can be further away from the axis of the motor 31, thereby increasing the guiding distance when the sliding protrusion 55 is engaged, and being more convenient for abutting the sliding protrusion 55 with the lower end notch of the sliding groove 331. Preferably, the lower end of the slide groove 331 protrudes from the circumferential surface of the wind wheel 4.

Further, the motor gland 33 further includes an end plate 335 extending from the front edge of the arc plate 332 and connecting the two side plates 333, and a fixing hole 336 is formed on the upper end surface of the end plate 335; the edge of the lower opening of the motor base 32 is provided with a flange 321 protruding the outer wall surface of the motor base 32, and the flange 321 is provided with a through hole 322 adapted to the fixing hole 336. Thus, the motor cover 33 and the motor base 32 can be fixed by screwing the screw into the fixing hole 336.

Further, the motor base 32 is integrally provided with the connecting portion 13, and the chassis 11, the side fixing portion 12, and the connecting portion 13 are integrally provided. Thus, the motor base 32 and the connecting part 13 are integrally arranged, so that the assembly between the motor base 32 and the connecting part 13 can be omitted; specifically, motor cabinet 32 and support 1 integrative injection moulding, so can further reduce the assembly link.

Further, referring to fig. 6, the sliding protrusion 55 is cylindrical, and the upper end of the sliding groove 331 has a curved surface adapted to the circumferential surface of the sliding protrusion 55. It can be understood that, since the volute 5 usually needs to be rotated by a certain angle during the process of assembling and disassembling the volute 5, the sliding protrusion 55 is disposed in a cylindrical shape to avoid the generation of scratches between the groove walls of the sliding groove 331 of the sliding protrusion 55.

Further, referring to fig. 2 or 3, the side fixing portions 12 and the connecting portions 13 both protrude downward from the lower edge of the chassis 11, an insertion plate 111 is formed at the lower edge of the chassis 11 by extending downward, and the rear water pan 54 is provided with an insertion slot 56 into which the insertion plate 111 is inserted. In this way, the insert plate 111 is inserted into the slot 56 after the volute 5 is assembled in place, so that leakage of the air flow can be prevented.

Further, referring to fig. 12 and 13, the bracket 1 further includes a bearing seat 14 disposed on one side of the side fixing portion 12 facing the wind wheel 4, the indoor unit of the air conditioner further includes a bearing 6 embedded in the bearing seat 14, and one end of the wind wheel 4 away from the motor 31 is pivotally connected to the bearing 6.

In this embodiment, it can be understood that the wind wheel 4 is pivoted to the side fixing portion 12 through the bearing 6 to reduce the friction force during rotation. Preferably, the bearing housing 14 is integrally provided with the side fixing portion 12, and the assembling opening of the bearing housing 14 is provided toward the side, so that the pre-installation can be performed right and left when the bearing 6 is assembled, and the arrangement does not require a fixing cover plate to fix the bearing 6.

Further, referring to fig. 10 and 12, the left and right end plates 335 of the heat exchanger 2 are provided with a buckle 23 adjacent to the chassis 11, and the chassis 11 is provided with a buckle hole 112 adapted to the buckle 23. In this embodiment, the heat exchanger 2 is detachably connected to the chassis 11 through the latch 23, so that the heat exchanger 2 can be detached for maintenance or cleaning.

Further, referring to fig. 6 and 8, the tray bottoms at the left and right ends of the front water pan 53 are provided with screw posts 531, the lower ends of the left and right end plates 335 of the heat exchanger 2 are provided with lugs 24 corresponding to the screw posts 531, and the lugs 24 are provided with through holes 241 adapted to the screw holes on the screw posts 531.

In the present embodiment, after the volute 5 is assembled in place, the set screw passes through the through hole 241 and is screwed into the screw hole in the screw hole column 531, and the heat exchanger 2 and the volute 5 can be fixedly connected. Specifically, the left and right end plates 335 of the heat exchanger 2 are typically sheet metal parts, and the lugs 24 are formed by sheet metal bends.

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

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

2. The indoor unit of air conditioner as claimed in claim 1, wherein the motor cover includes an arc plate fitted to the shape of the circumference of the motor, and side plates extending perpendicularly from two opposite arc sides of the arc plate, and the lower edges of the side plates adjacent to the wind wheel extend downward to form an extension plate, and the sliding grooves of the side plates extend downward to the extension plate.

3. The indoor unit of air conditioner as claimed in claim 2, wherein the motor cover further comprises an end plate extending from the front edge of the arc plate and connecting the two side plates, the end plate having a fixing hole formed on the upper end surface;

4. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein the motor base is integrally provided with the connecting portion, and the base plate, the side fixing portion and the connecting portion are integrally provided.

5. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein the sliding projection is cylindrical, and an upper end of the slide groove has an arc surface fitted to a circumferential surface of the sliding projection.

6. The indoor unit of claim 1, wherein the side fixing portions and the connecting portions are protruded downward from the lower edge of the base plate, an insertion plate is formed at the lower edge of the base plate to extend downward, and an insertion groove into which the insertion plate is inserted is formed in the rear water receiving pan.

7. The indoor unit of air conditioner as claimed in claim 1 or 6, wherein the bracket further includes a bearing seat provided at a side of the side fixing portion facing the wind wheel, the indoor unit of air conditioner further includes a bearing embedded in the bearing seat, and one end of the wind wheel away from the motor is pivotally connected to the bearing.

8. 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 a buckle adjacent to the chassis, and the chassis is provided with a buckle hole adapted to the buckle.

9. The indoor unit of an air conditioner as claimed in claim 8, wherein screw holes are provided at the bottoms of the left and right ends of the front drip pan, and the lower ends of the left and right end plates of the heat exchanger are provided with lugs corresponding to the screw holes, and the lugs are provided with through holes adapted to the screw holes of the screw holes.

10. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 9.