CN211822754U - Fresh air component, air conditioner indoor unit and mounting structure thereof - Google Patents

Abstract

The utility model provides a fresh air component, an air conditioner indoor unit and an installation structure thereof; the fresh air component comprises a fan assembly, and the fan assembly comprises a volute and a centrifugal fan; a metal insert is embedded in the volute; the centrifugal fan is fixedly arranged in the volute through a metal insert; by adopting the scheme, the vibration noise caused by the shaking of the fan blades of the centrifugal fan can be effectively reduced, and the air supply effect of the fresh air component is improved.

Description

Fresh air component, air conditioner indoor unit and mounting structure thereof

Technical Field

The utility model relates to an air conditioning technology field especially relates to a new trend part, air conditioner indoor unit and mounting structure thereof.

Background

The existing air conditioner exchanges heat in a closed space, indoor air quality is easily reduced due to continuous circulation of the indoor air, user experience is poor, and therefore more and more air conditioners are additionally provided with fresh air exchange devices. However, the fresh air motor resonates due to the high-speed operation of the fresh air motor, and the fresh air component added to the indoor unit of the air conditioner often has the problem of overlarge noise, so that the user experience effect is generally poor.

In the prior art, chinese patents CN108361889A, CN108386914A, CN108386917A and CN108397829A disclose a fresh air conditioner indoor unit, but the whole structure of the fresh air conditioner has a loud noise.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the great, poor problem of air supply tone quality of current new fan noise.

A primary object of the present invention is to provide a fresh air component, which comprises the following steps:

a fresh air component comprises a fan assembly, wherein the fan assembly comprises a volute and a centrifugal fan; a metal insert is embedded in the volute; the centrifugal fan is fixedly arranged in the volute through a metal insert.

Further optionally, the centrifugal fan comprises a centrifugal fan blade and a motor; one end of the metal insert is fixedly arranged on the volute; the other end of the metal insert penetrates through the motor and the centrifugal fan blade, so that the centrifugal fan blade is fixed in the volute along the axial direction.

Further optionally, the metal insert is of a hollow structure, a rubber ring is arranged on the circumferential direction of the lower portion of the metal insert, and the rubber ring and the metal insert are integrally formed; the metal insert is arranged on the volute through the lower part of the metal insert, penetrates through the stator through the upper part of the metal insert and is abutted against one side of the centrifugal fan blade.

Further optionally, the metal insert is made of an aluminum material; or, the metal insert is integrally formed with the volute by injection molding; or the metal insert and the volute form an integral structure through a screw; or the metal insert and the volute form a buckled integral structure through the buckle.

Further optionally, the electric machine comprises a rotor, a stator, and a shaft; one end of the rotating shaft is rotatably arranged in a bearing with a hollow structure of the metal insert; the other end of the rotating shaft penetrates through the centrifugal fan blade and can drive the centrifugal fan blade to rotate.

Further optionally, a compression spring is arranged in the hollow structure; the compression spring is sleeved on the rotating shaft and clamped between the bearing and the stepped groove of the hollow structure.

Further optionally, the fan subassembly still includes the filter screen subassembly, and the spiral case includes spiral case lid and sealed lid, and sealed lid sets up in spiral case lid one side to form the air inlet chamber with spiral case lid, the filter screen subassembly sets up in the air inlet intracavity.

Further optionally, the fresh air part further comprises a fresh air pipe, a fresh air inlet is formed in the bottom of the volute cover, and the fresh air pipe is connected with the fresh air inlet through an L-shaped adapter.

Another object of the present invention is to provide an indoor unit of an air conditioner, which comprises an indoor unit body and a fresh air component; the fresh air component is the fresh air component, and the fan assembly is arranged in the indoor unit body and is communicated with the outside through the fresh air pipe.

Further optionally, a fresh air outlet is arranged at the top of the indoor unit of the air conditioner and communicated with the air outlet of the volute.

Another object of the utility model is to provide an air conditioner's mounting structure, indoor set body sets up in indoor, and indoor set body passes through fresh air duct and outdoor intercommunication.

The fresh air component provided by the utility model can effectively reduce noise and improve fresh air supply effect; meanwhile, a fresh air component is additionally arranged on the side edge of the indoor unit of the split wall-mounted air conditioner, and an air channel of the fresh air component is communicated with the outdoor through a fresh air pipe, so that outdoor fresh air can be introduced into the indoor and filtered through a filter screen, and the quality of fresh air is improved; furthermore, a metal insert is embedded in the volute of the fresh air component, and the metal insert and the rubber ring are integrally formed, so that the vibration noise caused by the shaking of the fan blade of the fresh air component can be effectively reduced by the structural mode.

Drawings

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

Fig. 1 is a front view of an indoor unit of an air conditioner according to embodiment 1 of the present invention;

fig. 2 is a front view of an indoor unit of an air conditioner according to embodiment 1 of the present invention;

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

fig. 4 is a top view of an air conditioner indoor unit provided in embodiment 1 of the present invention;

fig. 5 is a rear view of an air conditioner indoor unit provided in embodiment 1 of the present invention;

fig. 6 is a schematic view of an overall structure of a fresh air component provided in embodiment 1 of the present invention;

fig. 7 is an exploded view of a fresh air component provided in embodiment 1 of the present invention;

fig. 8 is a schematic view of a fan assembly provided in embodiment 1 of the present invention;

FIG. 9 is a sectional view taken along line B-B of FIG. 8;

FIG. 10 is an enlarged view of portion F of FIG. 9;

fig. 11 is a schematic structural view of a metal insert provided in embodiment 1 of the present invention;

fig. 12 is a sectional view of a metal insert according to embodiment 1 of the present invention.

In the figure: 1. an indoor unit body; 2. a fan assembly; 21. a volute; 22. a worm case cover; 23. an air inlet of the fan assembly; 24. a fresh air inlet; 25. an L-shaped adapter; 26. a sealing cover; 27. a centrifugal fan; 271. a centrifugal fan blade; 272. a bearing; 273. a rotor; 274. a stator; 275. a metal insert; 276. a rotating shaft; 277. a card; 278. a compression spring; 279. a rubber ring; 3. a fresh air duct; 31. a fresh air pipe air inlet; 4. a screen assembly.

Detailed Description

The technical solutions in the embodiments of the present invention are 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 some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity or location.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 6 to 12, the present invention provides a fresh air component, which can be disposed on an indoor unit of an air conditioner for providing fresh air indoors; specifically, the fresh air component comprises a fan assembly 2, and the fan assembly 2 comprises a volute 21 and a centrifugal fan 27; further, a metal insert 275 is embedded in the volute casing 21; the centrifugal fan 27 is fixedly arranged in the volute through the metal insert 275; specifically, the volute position is inlayed and is had a metal insert 275 in the new trend part for fixed centrifugal fan 27 specifically is fixed centrifugal fan 27's centrifugal fan blade 271, and this metal insert is the aluminium piece, and is equipped with the rubber circle on this metal insert 275, and this rubber circle and metal insert 275 integrated into one piece can effectively reduce because of the fan blade rocks the vibration noise that brings through this kind of structural style, effectively suppresses the big, the big problem of noise of new trend part vibration, improves new fan's air supply tone quality.

Preferably, as shown in fig. 6 to 12, the centrifugal fan 27 includes a centrifugal fan blade 271 and a motor; one end of the metal insert 275 is fixedly arranged on the volute casing 21; the other end of the metal insert 275 penetrates through the motor and the centrifugal fan blade 271, so that the centrifugal fan blade 271 is axially fixed in the volute casing 21, specifically, the metal insert 275 axially installs the centrifugal fan blade 271 in the volute casing cover 22 of the volute casing 21, that is, the centrifugal fan blade 271 cannot be separated from the volute casing cover 22 in the axial direction, and the centrifugal fan blade 271 can rotate around the axial direction, so that air supply is performed.

Preferably, as shown in fig. 6 to 12, the metal insert 275 is a hollow structure, and a through hole is formed inside the hollow structure; specifically, a rubber ring 279 is provided on the lower portion of the metal insert 275 in the circumferential direction, and the rubber ring 279 is integrally molded with the metal insert 275; further, the metal insert 275 is disposed on the volute casing 21 through the lower portion thereof, so that the design mainly considers that the lower portion of the rubber ring embedded in the metal insert 275 can be fixed on the volute casing cover 22, thereby forming a buffer structure for damping; further, the metal insert 275 penetrates the stator 274 through the upper portion thereof and abuts against one side of the centrifugal blade 271, so that the centrifugal blade 271 is axially installed in the volute cover 22.

Preferably, as shown in fig. 6 to 12, the metal insert 275 is made of an aluminum material; alternatively, the metal insert 275 is integrally formed with the volute casing 21 by injection molding; alternatively, the metal insert 275 is formed as an integral structure with the volute casing 21 by screws; or, the metal insert 275 and the volute 21 form a buckled structure through a buckle; above-mentioned scheme can effectively improve the noise reduction effect of whole new trend part.

Preferably, as shown in fig. 6 to 12, the motor includes a rotor 273, a stator 274, and a rotation shaft 276; specifically, one end of the rotating shaft 276 is rotatably disposed in a bearing 272 of a hollow structure of the metal insert 275, and the bearings 272 are respectively disposed at two ends of a through hole of the hollow structure, so as to support the rotation of the rotating shaft 276; the rotor 273 is sleeved on the stator 274; further, the other end of the rotating shaft 276 penetrates through the centrifugal fan 271 and can drive the centrifugal fan 271 to rotate, so that air supply is performed.

Preferably, as shown in fig. 6 to 12, a pressing spring 278 is provided in the hollow structure, and the outer end of the through hole in the hollow structure is provided with a stepped groove; the pressing spring 278 is sleeved on the rotating shaft 276 and clamped between the bearing and the stepped groove at the outer end of the hollow structure; further, one end of the shaft 276 is axially clamped to the bearing at the outer end of the hollow structure by a clamping piece 277, so as to prevent the shaft from falling off.

Preferably, as shown in fig. 6 to 12, the fan assembly 2 further includes a filter screen assembly 4, the volute casing 21 includes a volute casing cover 22 and a sealing cover 26, the sealing cover 26 is disposed on one side of the volute casing cover 22 and forms an air inlet cavity with the volute casing cover 22, the filter screen assembly 4 is disposed in the air inlet cavity and is located between the fresh air inlet 24 and the air outlet of the volute casing 21, and an effect of filtering fresh air can be effectively achieved.

As shown in fig. 6 to 12, the utility model provides a new trend part, it has a metal insert 275 to inlay on the spiral case 21, this metal insert 275 intussuseption is filled with round rubber circle 279, rubber circle 279 and metal insert 275 integrated into one piece, centrifugal fan 27 is outer rotor centrifugal fan, outer rotor centrifugal fan's stator is fixed in metal insert 275's periphery, metal insert 275's inside is hollow structure, the rotor then is fixed integrative with centrifugal fan blade 271, and centrifugal fan blade 271 middle part an organic whole is moulded plastics and is had a metal rotating shaft, metal rotating shaft passes metal insert 275 hollow structure's central point and puts, and through bearing 276, pressure spring 278, card 277 is fixed, stator 273 periphery is located to rotor 274 cover.

Preferably, as shown in fig. 6 to 12, the fresh air component further includes a fresh air pipe 3, a fresh air inlet 24 is arranged at the bottom of the scroll cover 22, and the fresh air pipe 3 is connected with the fresh air inlet 24 through an L-shaped adapter; the fresh air duct 3 is used for communicating with the outside, specifically, the outside, so as to deliver fresh air into the scroll casing 21.

By adopting the scheme, the volute part in the fresh air component is designed with the metal insert structure with the rubber ring, and the rubber ring can effectively reduce the vibration noise caused by the shaking of the fan blades and radically solve the problem of motor resonance; meanwhile, due to the adoption of the metal insert, the processing precision can be ensured, and the bearing friction sound and the like can be obviously improved.

Example 2

As shown in fig. 1 to 12, the present invention further provides an air conditioner indoor unit, which includes an indoor unit body 1 and a fresh air component, wherein the fresh air component is the fresh air component; the fresh air component can be arranged on one side of the indoor unit of the air conditioner so as to supply air from the side; furthermore, a fresh air inlet 24 communicated with the fresh air duct 3 is arranged behind the fresh air component, the fresh air inlet 24 is communicated with one end of the fresh air duct 3 through an L-shaped pipe joint 25, and the other end of the fresh air duct 3 is communicated with outdoor air; specifically, this new trend part still includes fan subassembly 2 and installs filter screen subassembly 4 in fan subassembly 2 air intake department for the outdoor indoor air of filter entering, sealed lid 22 and spiral case 21 mutually support and form the new trend passageway, and the new trend part air outlet towards indoor set top, has just constituted one set of complete new trend part from the outdoor entry of new tuber pipe to new trend part air outlet.

In the scheme provided by the embodiment, the fan assembly 2 is arranged in the indoor unit body 1 and is communicated with the outside through the fresh air pipe 3; design like this, in airtight space, when the air constantly circulates, the heat transfer leads to air quality poor when opening air conditioner, for airtight space input new trend, improved airtight room air quality, bring the guarantee for user's health, improve new trend noise and tone quality simultaneously.

Preferably, as shown in fig. 6 to 12, a fresh air outlet 11 is arranged at the top of the indoor unit of the air conditioner, and the fresh air outlet 11 is communicated with the air outlet of the scroll casing 21; through setting up new trend export 11 upsides, make its air outlet be close to the air conditioner air intake, the new trend air-out can carry out the heat transfer through air conditioner evaporimeter on the one hand, and on the other hand accessible air conditioner air duct system air supply is farther to make indoor new trend more even.

Example 3

As shown in fig. 1 to 12, the present invention further provides a mounting structure of an indoor unit of an air conditioner, wherein the indoor unit body 1 is disposed indoors, and the indoor unit body 1 is communicated with the outdoor through the fresh air duct 3, so that outdoor air can enter the fan assembly 2 through the fresh air duct 3 and enter the indoor through the fan assembly 2; according to the scheme provided by the embodiment, the fresh air component is additionally arranged on the side edge of the indoor unit of the split wall-mounted air conditioner, the air channel of the fresh air component is communicated with the outdoor through the fresh air pipe, and the outdoor fresh air can be introduced into the indoor room and filtered through the filter screen.

The fresh air component provided by the utility model can effectively reduce noise and improve fresh air supply effect; meanwhile, a fresh air component is additionally arranged on the side edge of the indoor unit of the split wall-mounted air conditioner, and an air channel of the fresh air component is communicated with the outdoor through a fresh air pipe, so that outdoor fresh air can be introduced into the indoor and filtered through a filter screen, and the quality of fresh air is improved; furthermore, a metal insert is embedded in the volute of the fresh air component, and the metal insert and the rubber ring are integrally formed, so that the vibration noise caused by the shaking of the fan blade of the fresh air component can be effectively reduced by the structural mode.

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

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (11)

1. A fresh air component, comprising a fan assembly (2), the fan assembly (2) comprising a volute (21) and a centrifugal fan (27); a metal insert (275) is embedded in the volute (21); the centrifugal fan (27) is fixedly arranged in the volute through the metal insert (275).

2. The fresh air component of claim 1 wherein the centrifugal fan (27) comprises a centrifugal fan blade (271) and a motor; one end of the metal insert (275) is fixedly arranged on the volute (21); the other end of the metal insert (275) penetrates through the motor and the centrifugal fan blade (271), so that the centrifugal fan blade (271) is fixed in the volute along the axial direction.

3. The fresh air component as claimed in claim 2, characterized in that the metal insert (275) is of a hollow structure, a rubber ring (279) is arranged on the periphery of the lower part of the metal insert (275), and the rubber ring (279) is integrally formed with the metal insert (275); the metal insert (275) is arranged on the volute (21) through the lower part of the metal insert, and the metal insert (275) penetrates through the stator (274) through the upper part of the metal insert and abuts against one side of the centrifugal fan blade (271).

4. The fresh air component as claimed in claim 3, wherein the metal insert (275) is made of aluminum material; or, the metal insert (275) is integrally formed with the volute (21) by injection molding; or, the metal insert (275) is formed into an integral structure with the volute (21) through screws; or the metal insert (275) and the volute (21) form a buckled integral structure through a buckle.

5. The fresh air component of claim 3 wherein the motor comprises a rotor (273), a stator (274), and a shaft (276); one end of the rotating shaft (276) is rotatably arranged in a bearing of a hollow structure of the metal insert (275); the other end of the rotating shaft (276) penetrates through the centrifugal fan blade (271) and can drive the centrifugal fan blade (271) to rotate.

6. The fresh air component of claim 5 wherein a compression spring is disposed within the hollow structure; the compression spring is sleeved on the rotating shaft (276) and clamped between the bearing and the stepped groove of the hollow structure.

7. The fresh air component as claimed in claim 1, wherein the fan assembly (2) further comprises a filter screen assembly (4), the volute (21) comprises a volute cover (22) and a sealing cover (26), the sealing cover (26) is arranged on one side of the volute cover (22) and forms an air inlet cavity with the volute cover (22), and the filter screen assembly (4) is arranged in the air inlet cavity.

8. The indoor unit of claim 7, wherein the fresh air component further comprises a fresh air pipe (3), a fresh air inlet (24) is formed in the bottom of the volute cover (22), and the fresh air pipe (3) is connected with the fresh air inlet (24) through an L-shaped adapter.

9. An indoor unit of an air conditioner comprises an indoor unit body (1) and a fresh air component; the indoor unit is characterized in that the fresh air component is the fresh air component of any one of claims 1 to 8, and the fan assembly (2) is arranged in the indoor unit body (1) and is communicated with the outside through a fresh air pipe (3).

10. The indoor unit of the air conditioner as claimed in claim 9, wherein a fresh air outlet (11) is arranged at the top of the indoor unit of the air conditioner, and the fresh air outlet (11) is communicated with the air outlet of the volute (21).

11. An installation structure of an indoor unit of an air conditioner according to claim 9, wherein the indoor unit body (1) is installed indoors, and the indoor unit body (1) is communicated with the outdoor through the fresh air pipe (3).

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