CN106091329B

CN106091329B - Indoor unit of air conditioner

Info

Publication number: CN106091329B
Application number: CN201610454302.5A
Authority: CN
Inventors: 樊帆; 钟志雄; 张红梅; 雷奎
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2016-06-17
Filing date: 2016-06-17
Publication date: 2022-02-11
Anticipated expiration: 2036-06-17
Also published as: CN106091329A

Abstract

The invention provides an air-conditioning indoor unit, comprising: a housing having an air outlet; the cross-flow fan blades are arranged in the shell; the fixing seat is used for coaxially connecting two adjacent through-flow fan blades; a water receiving tray arranged in the shell, wherein a mounting gap is formed between the water receiving tray and the fixed seat; a blocking portion, at least a portion of which is provided at the mounting gap to block the mounting gap. The invention solves the problem of high noise of the air conditioner indoor unit in the prior art in the working process.

Description

Indoor unit of air conditioner

Technical Field

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

Background

The casing of the indoor unit of the air conditioner is internally provided with cross-flow blades, two adjacent cross-flow blades are connected through a fixing seat, and a water receiving disc is arranged in contact with the fixing seat.

Because there is production size error in the in-process of production structure, or there is installation error at the in-process of equipment air conditioning indoor set, after the water collector installation target in place, can't accomplish to laminate completely between water collector and the fixing base to lead to leaving the installation clearance usually between water collector and the fixing base.

The wind at the air outlet of the indoor unit of the air conditioner flows through the narrow installation gap, and the wind speed is rapidly increased to cause the wind to flow disorderly, so that great noise is generated, and the use experience of a user on the indoor unit of the air conditioner is influenced.

Disclosure of Invention

The invention mainly aims to provide an air conditioner indoor unit, which aims to solve the problem that the noise of the air conditioner indoor unit in the prior art is large in the working process.

In order to achieve the above object, the present invention provides an indoor unit of an air conditioner, comprising: a housing having an air outlet; the cross-flow fan blades are arranged in the shell; the fixing seat is used for coaxially connecting two adjacent through-flow fan blades; a water receiving tray arranged in the shell, wherein a mounting gap is formed between the water receiving tray and the fixed seat; a blocking portion, at least a portion of which is provided at the mounting gap to block the mounting gap.

Further, the shutoff portion sets up on the water collector.

Further, the shutoff portion and water collector integrative injection moulding.

Further, the fixing base has the cavity, and the one side of cavity towards the air outlet has open structure, and the shutoff portion includes: the sealing structure is filled in the mounting gap; the covering structure is connected with the sealing structure, and the covering structure is pressed on the fixing seat and covers the opening structure.

Furthermore, the end face of the fixed seat close to one side of the opening structure is a curved face, the covering structure is a plate-shaped structure, and the plate-shaped structure is covered on the curved face in a matching mode.

Furthermore, the blocking part further comprises a blocking structure arranged on the covering structure, and the blocking structure extends out to one side departing from the opening structure to block the cavities where the two through-flow fan blades on the two sides of the fixing seat from each other.

Furthermore, the baffle structures are plate-shaped, a plurality of baffle structures are arranged in the plate-shaped mode at intervals along the axial direction of the cross-flow fan blade.

Furthermore, there are two blocking structures, and the two blocking structures are respectively arranged at two ends of the covering structure along the axial direction of the cross-flow fan blade.

Further, shutoff portion is still including setting up the assembly plate on covering the structure, and two first ends that separate the fender structure are connected with the water collector, and two second ends that separate the fender structure are connected with the assembly plate, cover the structure, two separate fender structure and assembly plate and enclose into the installation area, and the partly of assembly plate is sunken in order to form on the side surface that deviates from the water collector at the assembly plate and dodges the groove to the installation area.

Furthermore, the plugging portion further comprises a positioning column arranged in the mounting area, and the positioning column is provided with a mounting through hole for penetrating a fastener.

Further, the shutoff portion still includes many strengthening ribs, and many strengthening ribs set up around the circumference interval of reference column.

Further, its characterized in that, the water collector is divided into snail tongue section, water receiving section and the support section of connecting in order along the direction of keeping away from the air outlet, wherein, forms installation clearance between snail tongue section and the fixing base.

Further, the blocking portion is a seal gasket provided at the mounting gap.

By applying the technical scheme of the invention, the plugging part is arranged, and at least one part of the plugging part is arranged at the mounting gap to plug the mounting gap. Therefore, wind generated at the through-flow fan blade cannot pass through the installation gap, so that the phenomenon that the wind accelerates in the shell and flows disorderly is avoided, the wind is discharged out of the shell through the air outlet gently and uniformly, cold wind is provided for users in summer, hot wind is provided for the users in winter, and the use experience of the users on the indoor unit of the air conditioner is further improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view showing an internal structure of an air conditioning indoor unit in which a water receiving tray and a blocking portion are omitted according to an alternative embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of the air conditioner indoor unit with the water pan and the plugging portion in fig. 1;

fig. 3 is a schematic structural view of a water pan and a plugging part of the air conditioning indoor unit in fig. 2;

fig. 4 shows an enlarged view at a in fig. 3.

Wherein the figures include the following reference numerals:

10. a housing; 11. an air outlet; 20. a cross-flow fan blade; 30. a fixed seat; 31. an open structure; 32. a base; 33. positioning seats; 40. a water pan; 41. a volute tongue section; 42. a water receiving section; 43. a support section; 50. a plugging section; 51. a sealing structure; 52. a cover structure; 53. a barrier structure; 54. assembling a plate; 541. an avoidance groove; 55. an installation area; 56. a positioning column; 57. and (5) reinforcing ribs.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides an air conditioner indoor unit, aiming at solving the problem that the noise of the air conditioner indoor unit in the prior art is large in the working process.

As shown in fig. 1 to 3, the air-conditioning indoor unit includes a casing 10, at least two cross-flow blades 20, a fixing base 30 for coaxially connecting the two adjacent cross-flow blades 20, a water pan 40 disposed in the casing 10, and a blocking portion 50; the casing 10 is provided with an air outlet 11, the cross-flow fan blade 20 is arranged in the casing 10, an installation gap is formed between the water pan 40 and the fixing seat 30, and at least one part of the plugging part 50 is arranged in the installation gap to plug the installation gap.

By providing the blocking portion 50, at least a part of the blocking portion 50 is provided at the installation gap to block the installation gap. Therefore, the wind generated at the through-flow fan blade 20 cannot pass through the installation gap, so that the phenomenon that the wind accelerates in the shell 10 and flows disorderly is avoided, the wind is discharged out of the shell 10 through the air outlet 11 gently and uniformly, cold wind is provided for users in summer, hot wind is provided for the users in winter, and the use experience of the users on the indoor unit of the air conditioner is further improved.

Alternatively, in order to improve the ease of assembly of the air conditioning indoor unit, the blocking portion 50 is provided on the water pan 40.

Further optionally, in order to facilitate production and assembly of the water pan 40 and the blocking portion 50 and reduce the processing and manufacturing cost of the air conditioner indoor unit, the blocking portion 50 and the water pan 40 are integrally injection-molded.

Optionally, the water pan 40 and the blocking portion 50 are made of ABS plastic.

As shown in fig. 1, 2 and 4, the fixing base 30 has a cavity, a side of the cavity facing the air outlet 11 has an opening structure 31, the blocking portion 50 includes a sealing structure 51 and a covering structure 52 connected to the sealing structure 51, and the sealing structure 51 is filled in the installation gap, and the covering structure 52 is pressed against the fixing base 30 and covers the opening structure 31. Like this, the covering structure 52 shelters from the opening structure 31 to avoid wind to enter into the cavity of fixing base 30, prevented effectively that wind from colliding with the inner wall of fixing base 30 and the wind that causes from disorderly flowing and producing the noise, thereby further reduced the noise of air conditioning indoor set in the use, improved user's use and experienced, increased air conditioning indoor set's market competition.

As shown in fig. 1 and 2, an end surface of the fixing base 30 close to the opening structure 31 is a curved surface, and the covering structure 52 is a plate-shaped structure, and the plate-shaped structure is fittingly covered on the curved surface. Thus, the installation adaptability between the cover structure 52 and the fixing base 30 is improved, and the cover structure 52 can effectively seal the cavity of the fixing base 30.

As shown in fig. 4, the blocking portion 50 further includes a blocking structure 53 disposed on the covering structure 52, and the blocking structure 53 extends toward a side away from the outlet structure 31 to block the cavity where the two cross-flow blades 20 on both sides of the fixing base 30 are located. Therefore, the air is effectively prevented from flowing between the cavities where the two through-flow blades 20 are located, the wind field is prevented from being disturbed, the air output quantity and the air output strength of the air outlet 11 of the indoor unit of the air conditioner are ensured, and the air output stability of the indoor unit of the air conditioner is improved.

Optionally, the blocking structure 53 is plate-shaped, a plurality of the plate-shaped blocking structures 53 are provided, and the plurality of the blocking structures 53 are arranged at intervals along the axial direction of the cross-flow fan blade 20. Therefore, the blocking structure 53 can not only separate the cavities where the two adjacent cross-flow blades 20 are located, but also reduce the processing and manufacturing materials of the blocking part 50, reduce the overall processing and manufacturing cost of the air-conditioning indoor unit, and improve the economy of the air-conditioning indoor unit.

As shown in fig. 4, in an embodiment of the present invention, there are two baffle structures 53, and the two baffle structures 53 are respectively disposed at two ends of the covering structure 52 along the axial direction of the cross-flow fan blade 20. Thus, the two blocking structures 53 effectively block the cavity where the two cross-flow blades 20 are located between the fixing seats 30, so that the stability of air outlet of the indoor unit of the air conditioner is ensured, and the production and manufacturing of the blocking part 50 are facilitated.

As shown in fig. 4, the blocking portion 50 further includes a mounting plate 54 disposed on the covering structure 52, first ends of the two barrier structures 53 are connected to the water collector 40, second ends of the two barrier structures 53 are connected to the mounting plate 54, the covering structure 52, the two barrier structures 53 and the mounting plate 54 enclose a mounting area 55, and a portion of the mounting plate 54 is recessed toward the mounting area 55 to form an avoiding groove 541 on a side surface of the mounting plate 54 facing away from the water collector 40.

The covering structure 52, the two barrier structures 53 and the mounting plate 54 enclose a mounting area 55. Therefore, manufacturing materials of the blocking part 50 are reduced, the weight of the blocking part 50 is reduced, inertia of the blocking part 50 is reduced, and damage caused by shaking of the blocking part 50 in the transportation or use process of the air-conditioning indoor unit is avoided, so that the use reliability of the air-conditioning indoor unit is improved.

Since a portion of the fitting plate 54 is recessed toward the mounting region 55 to form an escape groove 541 in a side surface of the fitting plate 54 facing away from the water receiving tray 40. Thus, the installation adaptability of the blocking part 50 on the shell 10 is ensured, and the installation stability of the blocking part 50 is improved.

As shown in fig. 4, the blocking portion 50 further includes a positioning column 56 disposed in the mounting area 55, and the positioning column 56 has a mounting through hole for passing a fastener. Thus, the fastener stably connects the blocking portion 50 and the fixing base 30 through the mounting through hole. In addition, after the fastener sinks into the mounting through hole, the movement of an air guide mechanism (air guide plate) of the indoor unit of the air conditioner cannot be influenced.

Optionally, the fastener is a fastening bolt. The mounting through hole is a counter bore structure, and when the plugging portion 50 is tightly connected with the fixing seat 30, the fastening bolt is located in the counter bore structure. Therefore, the influence of the protruding arrangement of the fastening bolt on the opening and closing movement of the air guide mechanism (air guide plate) of the air-conditioning indoor unit is avoided.

Optionally, the fastener is a screw. By increasing or decreasing the screws on the plugging portion 50, the sealing is further enhanced by the pretightening force of the screws, and the noise is reduced.

As shown in fig. 4, the blocking portion 50 further includes a plurality of ribs 57, and the plurality of ribs 57 are provided at intervals around the positioning column 56 in the circumferential direction. In this way, the plurality of ribs 57 stably connect and effectively support the cover structure 52, the barrier structure 53, the fitting plate 54, and the positioning columns 56, thereby improving the stability of use of the blocking portion 50.

As shown in fig. 2, in order to ensure the structural reasonableness of the air conditioning indoor unit, the water receiving tray 40 is divided into a volute tongue section 41, a water receiving section 42 and a supporting section 43 which are connected in sequence along the direction away from the air outlet 11, wherein a mounting gap is formed between the volute tongue section 41 and the fixed seat 30.

Alternatively, in an optional embodiment of the present invention, which is not shown in the drawings, in order to further reduce the manufacturing cost of the air conditioning indoor unit and effectively reduce the noise of the air conditioning indoor unit during use, the blocking portion 50 is a sealing gasket disposed at the installation gap.

Of course, in addition to the above-described method, a sponge may be used instead of the sealing gasket to achieve the same effect.

As shown in fig. 2, the fixing seat 30 includes a base 32 and a positioning seat 33; the base 32 is connected with the inner surface of the shell 10, the base 32 is provided with a supporting arc-shaped structure for supporting the cross-flow fan blade 20, the positioning seat 33 is provided with a positioning arc-shaped structure for crimping the cross-flow fan blade 20, and the end part of the cross-flow fan blade 20 is fixed by the supporting arc-shaped structure and the positioning arc-shaped structure after the positioning seat 33 is buckled on the base 32. Therefore, the assembling difficulty among the through-flow blades 20 of the fixing seat 30 is reduced, the through-flow blades 20 can be stably supported during working, and the working stability of the indoor unit of the air conditioner is improved.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the overall performance of the air conditioner is improved;

2. the noise that the machine during operation produced in the air conditioning is reduced, promote the user and experience the use of air conditioner, be favorable to the promotion of product quality.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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

a housing (10), the housing (10) having an air outlet (11);

the cross-flow fan blades (20) are arranged in the shell (10);

the fixing seat (30) is used for coaxially connecting two adjacent cross-flow fan blades (20);

the water pan (40) is arranged in the shell (10), and an installation gap is formed between the water pan (40) and the fixed seat (30);

a blocking portion (50), at least a part of the blocking portion (50) being provided at the mounting gap to block the mounting gap;

the plugging part (50) is arranged on the water receiving tray (40);

the fixing seat (30) is provided with a cavity, one side of the cavity facing the air outlet (11) is provided with an opening structure (31), and the blocking part (50) comprises:

a sealing structure (51), the sealing structure (51) being filled at the mounting gap;

a cover structure (52) connected to the seal structure (51), the cover structure (52) being pressed against the holder (30) and covering the opening structure (31);

the plugging part (50) and the water pan (40) are integrally formed in an injection molding mode.

2. An indoor unit of an air conditioner according to claim 1, wherein an end surface of the fixing base (30) on a side close to the opening structure (31) is a curved surface, and the covering structure (52) is a plate-like structure which is fittingly covered on the curved surface.

3. Indoor unit of air conditioner according to claim 1, characterized in that the blocking part (50) further comprises a baffle structure (53) arranged on the covering structure (52), and the baffle structure (53) extends out to the side away from the opening structure (31) to separate the cavity where the two cross-flow blades (20) on both sides of the fixing base (30) are located.

4. The indoor unit of air conditioner as claimed in claim 3, wherein the baffle structure (53) is plate-shaped, and there are a plurality of baffle structures (53) in plate shape, and the plurality of baffle structures (53) are arranged at intervals along the axial direction of the cross-flow fan blade (20).

5. The indoor unit of air conditioner as claimed in claim 4, wherein there are two of the baffle structures (53), and the two baffle structures (53) are respectively disposed at two ends of the covering structure (52) along the axial direction of the cross-flow fan blade (20).

6. The indoor unit of claim 5, wherein the blocking portion (50) further comprises a mounting plate (54) provided on the cover structure (52), first ends of the two barrier structures (53) are connected to the water receiving tray (40), second ends of the two barrier structures (53) are connected to the mounting plate (54), the cover structure (52), the two barrier structures (53) and the mounting plate (54) enclose a mounting area (55), and a portion of the mounting plate (54) is recessed toward the mounting area (55) to form an avoiding groove (541) on a side surface of the mounting plate (54) facing away from the water receiving tray (40).

7. The indoor unit of claim 6, wherein the blocking portion (50) further comprises a positioning post (56) disposed in the mounting region (55), and the positioning post (56) has a mounting through hole for a fastener to pass through.

8. The indoor unit of air conditioning according to claim 7, wherein the blocking portion (50) further includes a plurality of reinforcing ribs (57), and the plurality of reinforcing ribs (57) are provided at intervals around the circumferential direction of the positioning column (56).

9. The indoor unit of air conditioner according to any one of claims 1 to 8, wherein the water receiving tray (40) is divided into a volute tongue section (41), a water receiving section (42) and a support section (43) which are connected in sequence in a direction away from the air outlet (11), wherein the volute tongue section (41) and the fixing base (30) form the installation gap therebetween.

10. The indoor unit of claim 1, wherein the blocking portion (50) is a gasket seal provided at the installation gap.