CN213016987U - Cross-flow fan and air conditioner indoor unit - Google Patents

Abstract

The application relates to the technical field of cross-flow fans and discloses a cross-flow fan. The cross-flow fan comprises an impeller, a shell and a sweeping assembly; the cleaning assembly is arranged on the casing and cleans the impeller when the cross-flow fan operates. According to the cross-flow fan cleaning device, the cleaning assembly is arranged in the cross-flow fan, so that when the cross-flow fan operates, the cleaning element of the cleaning assembly is interfered with the impeller, and the effect that the cleaning assembly automatically cleans the impeller when the cross-flow fan operates is achieved; the cross-flow fan is not required to be detached from the indoor unit of the air conditioner, and dust and dirt deposited on the impeller can be effectively cleaned under the condition that the indoor unit of the air conditioner is not easily damaged. The application also discloses an air conditioner indoor unit.

Description

Cross-flow fan and air conditioner indoor unit

Technical Field

The present application relates to the field of crossflow blowers and, for example, to a crossflow blower and an air conditioning indoor unit.

Background

With the continuous improvement of the living standard of people, the requirement on the comfort level of the indoor environment is higher and higher. In terms of regulating the indoor temperature, an air conditioner has become an indispensable home appliance. The indoor unit of an air conditioner is generally provided with a cross flow fan, and after the cross flow fan is operated for a period of time, a large amount of dust and dirt is deposited on an impeller. The deposited dust can not only cause unsmooth air outlet of the air conditioner; the air can enter the indoor air along with the outlet air of the indoor unit of the air conditioner, thereby influencing the quality of the indoor air.

At present, for the above situations, users mostly adopt a mode of regularly disassembling the indoor unit of the air conditioner, taking out the cross-flow fan and cleaning the impeller, so as to solve the problem of dust and dirt deposition of the impeller.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in order to clean dust deposited on the cross-flow fan, a user often operates improperly when disassembling the cross-flow fan, so that the indoor unit of the air conditioner is damaged.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a cross-flow fan and an indoor unit of an air conditioner, and aims to solve the problem that the indoor unit of the air conditioner is easily damaged in a mode of removing dust and dirt by disassembling the cross-flow fan.

In some embodiments, the cross-flow fan comprises an impeller, a casing, and a sweeping assembly; the cleaning assembly is arranged on the casing and cleans the impeller when the cross-flow fan operates.

In some embodiments, the air conditioning indoor unit comprises the cross-flow fan.

The cross-flow fan and the air conditioner indoor unit provided by the embodiment of the disclosure can realize the following technical effects:

the cleaning assembly is arranged in the cross-flow fan, so that when the cross-flow fan runs, a cleaning element of the cleaning assembly interferes with the impeller, and the effect that the cleaning assembly automatically cleans the impeller when the cross-flow fan runs is achieved; the cross-flow fan is not required to be detached from the indoor unit of the air conditioner, and dust and dirt deposited on the impeller can be effectively cleaned under the condition that the indoor unit of the air conditioner is not easily damaged.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic view of a crossflow blower according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of another crossflow blower provided by an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of another crossflow blower provided by an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of another crossflow blower provided by an embodiment of the present disclosure;

FIG. 5 is a schematic view of a sweeping assembly provided in accordance with an embodiment of the present disclosure;

FIG. 6 is a schematic structural view of another sweeping assembly provided by embodiments of the present disclosure;

FIG. 7 is a schematic structural view of another sweeping assembly provided by embodiments of the present disclosure;

FIG. 8 is a schematic structural view of another crossflow blower provided by an embodiment of the present disclosure.

Reference numerals:

100. a housing; 110. folding edges; 200. a sweeping assembly; 210 a connecting part; 220. a brush; 230. a first connection section; 240. a second connection section; 241. a first splint; 242. a second splint; 250. a card slot; 300. an impeller.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

1-8, embodiments of the present disclosure provide a crossflow blower including an impeller 300, a casing 100, and a sweeping assembly 200; the cleaning unit 200 is provided in the casing 100, and the cleaning unit 200 cleans the impeller 300 when the cross flow fan operates.

By adopting the cross-flow fan provided by the embodiment of the disclosure, the cleaning assembly 200 is arranged in the cross-flow fan, so that when the cross-flow fan runs, the cleaning element of the cleaning assembly 200 interferes with the impeller 300, and the effect that the cleaning assembly 200 automatically cleans the impeller 300 when the cross-flow fan runs is realized; the cross-flow fan is not required to be detached from the indoor unit of the air conditioner, and dust and dirt deposited on the impeller 300 can be effectively cleaned under the condition that the indoor unit of the air conditioner is not easily damaged.

Generally, crossflow blower includes a motor and an impeller 300; the impeller 300 is in a long cylinder shape and is coaxially connected with the motor, and the impeller 300 is driven by the motor to rotate to form air flow.

Alternatively, the casing 100 may be disposed to surround the impeller 300 and form a space with the impeller 300; the cabinet 100 is provided with an opening from which an air stream is blown along an inner wall of the cabinet 100. Alternatively, the casing 100 is cylindrical surrounding the outside of the impeller 300, and an opening is provided in a side wall of the cylindrical casing 100; the opening may be an elongated shape extending in the axial direction of the casing 100 and configured to allow the airflow generated by the motor in cooperation with the impeller 300 to flow out.

Herein, the cross flow fan may be disposed in an indoor unit of an air conditioner, or in other air processing equipment requiring setting of an air flow rate accelerated by the fan, and the casing 100 of the cross flow fan may be independently detachable, or may be integrally formed with a casing or a framework of the air processing equipment. The air treatment device may be an air conditioner, a dehumidifier, a humidifier, an air purifier, etc., and is not particularly limited herein. In the embodiment of the present disclosure, the cross-flow fan is applied to an indoor unit of an air conditioner as an example, and in other embodiments of the present disclosure, the cross-flow fan may also be applied to other air processing devices.

Here, the casing 100 of the crossflow blower may refer to a volute of the crossflow blower and may also be used to generally refer to a housing of an air treatment device for mounting the impeller 300 with a motor, a skeleton within the housing of the air treatment device, and other components within the air treatment device connected to the volute.

Alternatively, as shown in fig. 5, the sweeping assembly 200 includes a connecting portion 210 and a brush 220; the connection part 210 is connected with the case 100; the brush 220 is disposed at the connection portion 210, and the brush 220 and the impeller 300 are in an interference state to clean the impeller 300 when the cross flow fan operates. The brush 220 is disposed along a radial direction of the casing 100 such that the brush 220 interferes with the impeller 300; thus, when the impeller 300 needs to be cleaned, the cleaning assembly 200 is mounted on the casing 100, the motor is controlled to operate, the cross flow fan is in an operating state, and the brush 220 cleans the impeller 300.

Alternatively, the brush 220 is connected to the casing 100 through the connection portion 210, and the connection manner of the brush 220 to the casing 100 may be a snap-fit connection or a movable connection. Wherein, the movable connection mode can be one or more of the following modes: a sliding connection mode, a meshing movable connection mode of a gear and a rack, and a movable connection mode of a screw rod and a nut in a matching mode.

Optionally, the inner wall of the casing 100 may be provided with a first clamping member, the connecting portion 210 includes a second clamping member, and the connection between the brush 220 and the casing 100 is realized through clamping cooperation between the first clamping member and the second clamping member.

Alternatively, the first clamping member may be disposed on an inner wall of the casing 100, the first clamping member may be disposed along the axial direction, and a cross section of the first clamping member may be T-shaped. Specifically, first joint spare includes first component and second component, and first component can be a rectangle rectangular, and the rectangular long limit of rectangle is connected with the inner wall of casing 100 along the axial, and its and the cross section that the axial is perpendicular are the rectangle, and a side and the long limit of rectangle intersect, are connected with casing 100 inner wall, and the opposite side and the second component of rectangle are connected. The second element is equal to the first element in length along the axial direction, the second element can also be rectangular in cross section perpendicular to the axial direction, and the width of the second element on the plane is larger than that of the first element.

Optionally, the casing 100 includes an opening and a flap 110; the folding edge 110 is disposed at the edge of the opening, is bent toward the impeller 300, and is engaged with the connecting portion 210. Thus, in practical application, the cleaning assembly 200 can be conveniently mounted and dismounted, the cleaning assembly 200 can be directly clamped and connected to the edge of the casing 100 without adding the connecting part 210, and the cleaning assembly 200 can be directly clamped and connected or dismounted without dismounting the impeller 300 from the casing 100 during cleaning.

Alternatively, the connection position of the flange 110 and the casing 100 is taken as the first position, the flange 110 may be perpendicular to the tangential direction of the first position of the casing 100, and the flange 110 may also intersect the tangential inclination of the first position of the casing 100.

Alternatively, the cross section of the flange 110 in the direction perpendicular to the axial direction may be triangular, trapezoidal, or T-shaped. The side of the folded edge 110 close to the casing 100 has a smaller width, and the side of the folded edge 110 far from the casing 100 has a larger width. In contrast, the connecting portion 210 of the sweeping assembly 200 is provided with a catching groove 250, and the catching groove 250 is shaped to fit the flange 110. Thus, when the cleaning assembly 200 needs to be installed, the cleaning assembly 200 can slide into the clamping groove 250 along one end of the folding edge 110, the assembly is convenient, and after the assembly is completed, the width of the folding edge 110 far away from one side of the machine shell 100 is large, so that the folding edge 110 can be connected with the clamping groove 250 more firmly.

Optionally, the thickness of the first side of the flap 110 is greater than the thickness of the second side; wherein, the first side is a side of the folded edge 110 far away from the casing 100, and the second side is a side of the folded edge 110 close to the casing 100. For example, the cross section of the flange 110 in the direction perpendicular to the axial direction may be triangular, trapezoidal, or T-shaped. The side of the folded edge 110 close to the casing 100 has a smaller width, and the side of the folded edge 110 far from the casing 100 has a larger width. A side of the flange 110 close to the casing 100 is taken as a first side; the side of the flange 110 away from the casing 100 is referred to as a second side. In contrast, the connecting portion 210 of the sweeping assembly 200 is provided with a catching groove 250, and the catching groove 250 is shaped to fit the flange 110. Thus, when the cleaning assembly 200 needs to be installed, the cleaning assembly 200 can slide into the clamping groove 250 along one end of the folding edge 110, the assembly is convenient, and after the assembly is completed, the width of the folding edge 110 far away from one side of the machine shell 100 is large, so that the folding edge 110 can be connected with the clamping groove 250 more firmly.

Optionally, the cross-flow fan further comprises a protrusion, and the protrusion is arranged on the outer wall of the folded edge 110. The protrusions may be elastic members, and when the engaging grooves 250 of the cleaning assembly 200 are engaged with the flanges 110, the elastic members may not only make the cleaning assembly 200 more firmly connected with the casing 100, but also cushion the joint of the cleaning assembly 200 and the casing 100. Therefore, the material selection of the casing 100 can be increased, and even if the casing 100 changes in a large temperature range and the folded edge 110 expands with heat and contracts with cold, the cleaning assembly 200 can still be firmly connected with the casing 100 due to the elastic member arranged between the clamping groove 250 and the folded edge 110.

Alternatively, the elastic member may be a strip, two ends of the elastic member are connected to the outer wall of the folded edge 110, and the elastic member cooperates with the folded edge 110 to define a hollow portion. This increases the elastic deformation range of the elastic member.

Alternatively, the number of the protrusions may be plural, and may be uniformly provided on the outer wall of the flange 110. The flap 110 may include a top wall and two side walls, and the protrusions of the two side walls may be symmetrically disposed.

Optionally, the brushes 220 are arranged in a plurality of rows uniformly on the connecting portion 210. The connection portion 210 includes a first connection section 230, and the brush 220 is disposed on a first surface of the first connection section 230. Here, the first surface is a surface of the first connection section 230 disposed opposite to the impeller 300. Therefore, the brush 220 and the impeller 300 can be ensured to be in an interference state, so that the impeller 300 can be cleaned when the cross-flow fan operates, the cross-flow fan does not need to be detached from the indoor unit of the air conditioner, and dust deposited on the impeller 300 can be effectively cleaned under the condition that the indoor unit of the air conditioner is not easily damaged.

Alternatively, the brushes 220 may be arranged in a plurality of rows to increase the cleaning effect of the impeller 300 by the cleaning assembly 200. Here, the material of the brush 220 is not particularly limited, and the impeller 300 may be effectively cleaned.

Alternatively, as shown in fig. 6 and 7, the connection portion 210 of the sweeping assembly 200 includes a first connection section 230 and a second connection section 240; the brush 220 is disposed on a first surface of the first connection section 230; the second connection section 240 is connected to the second surface of the first connection section 230 and is connected to the casing 100.

Optionally, the second connecting section 240 comprises a first clamping plate 241 and a second clamping plate 242; the first clamping plate 241 is arranged on one side of the second surface; the second clamping plate 242 is disposed on the other side of the second surface, opposite to the first clamping plate 241; the first clamping plate 241, the second clamping plate 242, and the second surface cooperate to define a clamping slot 250. Here, the catch 250 is snap-fitted with the flange 110. The width of the side of the locking groove 250 close to the opening is smaller than that of the side of the locking groove 250 close to the first surface, so that the flange 110 and the locking groove 250 can be firmly connected.

Optionally, the second connection section 240 further includes a buffer pad, and the buffer pad is disposed on an inner wall of the slot 250. In practical applications, when the brush 220 and the impeller 300 are in an interference state, the motor drives the impeller 300 to rotate, the impeller 300 and the brush 220 are in an interference state, and the brush 220 may be deviated to the rotation direction due to the rotation of the impeller 300 along one direction, and if the connection between the brush 220 and the casing 100 is a completely rigid connection, the connection part 210 between the brush 220 and the casing 100 may be damaged during the rotation of the impeller 300. Here, a buffer washer is provided at a connection portion between the flange 110 and the engaging groove 250, so that the connection portion 210 may have a certain amount of buffer when the impeller 300 rotates, thereby reducing a loss of the connection portion 210.

Alternatively, the brush 220 may be slidably connected to the casing 100; wherein, the housing 100 is provided with a guide rail, and the connection part 210 includes a sliding groove and a driving motor to move the brush 220 along the guide rail.

Optionally, the opening edge of the sliding groove is provided with a flange to prevent the sliding groove from being separated from the guide rail in the sliding fit process of the sliding groove and the guide rail. The brush 220 can move along the axial direction of the impeller 300 to clean under the driving of the connecting part 210, so that the cleaning assembly 200 can clean the fan more flexibly, and the cleaning direction of the brush 220 to the fan is more comprehensive.

Alternatively, the connection portion 210 includes a rack, a gear, and a driving motor; the gear is meshed with the rack; the rack is arranged on the casing 100; the driving motor is used to drive the gear to rotate so that the brush 220 moves in the axial direction. The brush 220 sets up in the first surface of base, and the second surface of base is provided with the recess, and the recess is connected with the pivot of gear, through the meshing motion of gear and rack, realizes that brush 220 can follow the axial displacement of impeller 300 and clean under the drive of connecting portion 210, makes the subassembly 200 that cleans of fan more nimble, makes the brush 220 more comprehensive to the direction of cleaning of fan.

The embodiment of the disclosure provides an indoor unit of an air conditioner, which comprises a cross flow fan.

By adopting the air-conditioning indoor unit provided by the embodiment of the disclosure, the cleaning component 200 is arranged in the cross-flow fan, so that when the cross-flow fan runs, the cleaning element of the cleaning component 200 interferes with the impeller 300, and the effect that the cleaning component 200 automatically cleans the impeller 300 when the cross-flow fan runs is realized; the cross-flow fan is not required to be detached from the indoor unit of the air conditioner, and dust and dirt deposited on the impeller 300 can be effectively cleaned under the condition that the indoor unit of the air conditioner is not easily damaged.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A crossflow blower comprising an impeller, characterized by further comprising:

a housing;

and the cleaning assembly is arranged on the casing and is used for cleaning the impeller when the cross-flow fan runs.

2. The crossflow blower of claim 1, wherein the sweeping assembly comprises:

a connecting part connected with the case;

and the brush is arranged on the connecting part and is in an interference state with the impeller so as to clean the impeller when the cross-flow fan runs.

3. The crossflow blower of claim 2, wherein the casing comprises:

an opening;

and the folding edge is arranged at the edge of the opening, is bent towards the impeller direction and is in clamping fit with the connecting part.

4. The crossflow blower of claim 3, wherein a thickness of the first side of the flap is greater than a thickness of the second side;

the first side is the side of the folded edge far away from the machine shell, and the second side is the side of the folded edge close to the machine shell.

5. The crossflow blower of claim 3 further comprising:

and the bulge is arranged on the outer wall of the folded edge.

6. The crossflow blower of claim 2 wherein the brushes are arranged in a plurality of rows and are uniformly disposed in the connecting portion.

7. The crossflow blower of any one of claims 2 to 6 in which the connection comprises:

the brush is arranged on a first surface of the first connecting section;

and the second connecting section is connected with the second surface of the first connecting section and is connected with the shell.

8. The crossflow blower of claim 7, wherein the second connection section comprises:

the first clamping plate is arranged on one side of the second surface;

the second clamping plate is arranged on the other side of the second surface and is opposite to the first clamping plate;

the first clamping plate, the second clamping plate and the second surface are matched to define a clamping groove.

9. The crossflow blower of claim 8, wherein the second connection section further comprises:

and the buffer gasket is arranged on the inner wall of the clamping groove.

10. An indoor unit of an air conditioner, comprising the cross-flow fan as recited in any one of claims 1 to 9.

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