CN214536512U - Air duct assembly and air conditioner indoor unit with same - Google Patents

Air duct assembly and air conditioner indoor unit with same Download PDF

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Publication number
CN214536512U
CN214536512U CN202120404090.6U CN202120404090U CN214536512U CN 214536512 U CN214536512 U CN 214536512U CN 202120404090 U CN202120404090 U CN 202120404090U CN 214536512 U CN214536512 U CN 214536512U
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China
Prior art keywords
air duct
bearing structure
fan blade
duct assembly
bearing
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CN202120404090.6U
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Chinese (zh)
Inventor
吕金霖
林裕亮
刘禾铭
洪奔奔
甄伟斌
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202120404090.6U priority Critical patent/CN214536512U/en
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Abstract

The utility model provides a machine in wind channel subassembly and have its air conditioning, the wind channel subassembly, include: the air duct shell is provided with a mounting hole; the fan blades are rotatably arranged on the air duct shell; the bearing structure is arranged in the mounting hole, the connecting shaft of the fan blade is arranged in the inner ring of the bearing structure, and the bearing structure is used for bearing the axial and radial supporting force of the fan blade. Through the technical scheme provided by the utility model, can solve prior art in be not convenient for carry out the technical problem fixed to the axial of fan blade.

Description

Air duct assembly and air conditioner indoor unit with same
Technical Field
The utility model relates to an interior machine technical field of air conditioning particularly, relates to an air duct assembly and have its interior machine of air conditioning.
Background
At present, for a vertical air conditioner, a bearing of a through-flow fan blade is mounted on an air duct, and the bearing only realizes radial direction fixation, so that the through-flow fan blade is hung on a motor, the fan blade is usually fixed on the air duct in an axial fixation mode through a screw, and the motor needs to bear the gravity of the fan blade.
However, the axial fixation by means of screws in the above-described structure requires alignment mounting, making mounting difficult. In addition, the motor shaft of the cross-flow fan blade bears the gravity of the fan blade, so that the cross-flow fan blade falls.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a wind channel subassembly and have its air conditioning indoor set to solve the axial of being not convenient for among the prior art to the fan blade and carry out fixed technical problem.
In order to achieve the above object, according to an aspect of the present invention, there is provided an air duct assembly including: the air duct shell is provided with a mounting hole; the fan blades are rotatably arranged on the air duct shell; the bearing structure is arranged in the mounting hole, the connecting shaft of the fan blade is arranged in the inner ring of the bearing structure, and the bearing structure is used for bearing the axial and radial supporting force of the fan blade.
Further, the air duct assembly further includes: the bearing block is arranged in the mounting hole, and the bearing structure is arranged on the bearing block.
Further, be provided with the holding tank on the bearing frame, be provided with spacing boss on the diapire of holding tank, spacing boss is used for carrying out the butt spacing to the bearing structure.
Further, the air duct assembly further includes: the shaft sleeve is sleeved on the connecting shaft of the fan blade, at least part of the shaft sleeve is arranged in the inner ring of the bearing structure, and the shaft sleeve is made of flexible materials.
Further, the bushing includes: a body portion mounted within an inner race of the bearing structure; the cover is arranged at the end part of the body part and protrudes out of the periphery of the body part, and the cover covers the upper part of the bearing structure.
Further, the projected area of the covering portion on the end face of the bearing structure is larger than the area of the end face of the bearing structure.
Further, along the extending direction from the covering part to the body part, the covering area of the covering part is gradually increased.
Further, the body part and the cover part are of an integrally formed structure.
Further, the shaft sleeve further comprises: and the positioning flange is arranged between the body part and the cover part, protrudes out of the periphery of the body part and is abutted and positioned with the end surface of the bearing structure through the positioning flange.
According to the utility model discloses an on the other hand provides an air-conditioning indoor unit, and the air-conditioning indoor unit includes the wind channel subassembly, and the wind channel subassembly is the above-mentioned wind channel subassembly that provides.
Use the technical scheme of the utility model, install in bearing arrangement's inner circle through the connecting axle with the fan blade, like this, bearing arrangement can bear axial direction's power and radial direction's power, consequently, can replace the gravity that the motor bore the fan blade by bearing arrangement, can solve the problem of fan blade whereabouts. Meanwhile, the bearing structure bears the gravity of the fan blade, so that the motor does not need to hang the fan blade, the bolt fixation between the fan blade and the motor can be eliminated, and the assembly is convenient. Therefore, through the wind channel subassembly that this embodiment provided, can solve the axial of being not convenient for among the prior art to the fan blade and carry out fixed technical problem.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, 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 shows a schematic structural view of an air duct assembly provided according to an embodiment of the present invention;
FIG. 2 shows an enlarged view at A in FIG. 1;
fig. 3 shows a schematic structural diagram of a bearing seat, a bearing, a shaft sleeve and a connecting shaft of a fan blade provided according to an embodiment of the present invention;
fig. 4 shows an exploded view of a portion of the structure of fig. 3.
Wherein the figures include the following reference numerals:
10. an air duct housing; 20. a fan blade; 30. a bearing structure; 40. a bearing seat; 41. a limiting boss; 50. a shaft sleeve; 51. a body portion; 52. a covering part; 53. the flange is positioned.
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 accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, a first embodiment of the present invention provides an air duct assembly, which includes an air duct housing 10, a fan blade 20 and a bearing structure 30, wherein the air duct housing 10 is provided with a mounting hole, and the fan blade 20 is rotatably mounted on the air duct housing 10; the bearing structure 30 is installed in the mounting hole, the connecting shaft of the fan blade 20 is installed in the inner ring of the bearing structure 30, and the bearing structure 30 is used for bearing the axial and radial supporting force of the fan blade 20. Specifically, the bearing structure 30 in the present embodiment may be an angular contact ball bearing, a tapered roller bearing, a deep groove ball bearing, a self-aligning ball bearing, or a self-aligning roller bearing.
By adopting the air duct assembly provided by the embodiment, the connecting shaft of the fan blade 20 is installed in the inner ring of the bearing structure 30, so that the bearing structure 30 can bear the force in the axial direction and the force in the radial direction, therefore, the bearing structure 30 can replace a motor to bear the gravity of the fan blade 20, and the problem that the fan blade 20 falls down can be solved. Meanwhile, the bearing structure 30 bears the gravity of the fan blade 20, so that the motor does not need to hang the fan blade 20, the bolt fixation between the fan blade 20 and the motor can be eliminated, and the assembly is convenient. Therefore, through the air duct assembly that this embodiment provided, can solve the technical problem that is not convenient for fix the axial of fan blade 20 among the prior art.
Specifically, the air duct assembly in this embodiment further includes a bearing seat 40, the bearing seat 40 is installed in the installation hole, and the bearing structure 30 is installed on the bearing seat 40. With the above structure, the bearing structure 30 can be mounted conveniently.
In this embodiment, the bearing seat 40 is provided with an accommodating groove, the bottom wall of the accommodating groove is provided with a limit boss 41, and the limit boss 41 is used for abutting and limiting the bearing structure 30 so as to limit the installation position of the bearing structure 30.
Specifically, the air duct assembly in this embodiment further includes a shaft sleeve 50, the shaft sleeve 50 is sleeved on the connecting shaft of the fan blade 20, at least a portion of the shaft sleeve 50 is installed in the inner ring of the bearing structure 30, and the shaft sleeve 50 is made of a flexible material. By adopting the structure, the connecting shaft of the fan blade 20 can be protected conveniently, and meanwhile, the connecting shaft is connected with the bearing structure 30 conveniently. In addition, by supporting the sleeve 50 with a flexible material and interference-fitting the sleeve 50 with the inner ring of the bearing structure 30, the connection stability of the connecting shaft, the sleeve 50, and the bearing structure 30 can be improved.
In the present embodiment, the sleeve 50 includes a body portion 51 and a cover portion 52, and the body portion 51 is mounted in the inner race of the bearing structure 30. The covering portion 52 is provided at an end portion of the main body portion 51, the covering portion 52 is provided to protrude from a peripheral edge of the main body portion 51, and the covering portion 52 covers an upper portion of the bearing structure 30. With the structure, at least part of the bearing structure 30 is shielded by the cover arranging part 52, so that the condensed water in the air duct is blocked by the cover arranging part 52 to flow into the bearing structure 30, the bearing structure 30 is prevented from rusting, and the service life of the bearing structure 30 is prolonged.
Specifically, the area of the projection of the covering portion 52 on the end surface of the bearing structure 30 in the present embodiment is larger than the area of the end surface of the bearing structure 30. With this arrangement, the cover 52 can effectively shield the bearing structure 30, and the bearing structure 30 can be protected more effectively.
In the present embodiment, the covering area of the covering portion 52 gradually increases along the extending direction from the covering portion 52 to the main body portion 51, so as to guide the condensed water to flow down and avoid the bearing structure 30. Preferably, the covering part 52 in this embodiment may have an umbrella structure.
Specifically, the main body 51 and the cover 52 in this embodiment are integrally formed, so as to facilitate production and manufacturing.
In the present embodiment, the shaft sleeve 50 further includes a positioning flange 53, the positioning flange 53 is disposed between the main body 51 and the cover 52, and the positioning flange 53 is disposed to protrude from the periphery of the main body 51, so as to be positioned by the positioning flange 53 abutting against the end surface of the bearing structure 30, so as to facilitate the positioning and installation of the shaft sleeve 50.
The utility model discloses the assembly condition is as follows, the bearing of the available bearing structure 30 of bearing body and relevant similar bearable axial force, and bearing frame 40 cover is on the outer lane of bearing, and terminal surface boss (positioning flange 53) and bearing inner race cooperation under bearing frame 40 is inside play the spacing effect of axial to the bearing. The shaft sleeve 50 is a rubber sleeve (shaft sleeve 50) and is directly arranged on the bearing inner ring, a boss in the middle of the shaft sleeve 50 is matched with the end face of the bearing inner ring, and the shaft sleeve 50 is axially limited by combining the bearing seat 40 and the bearing. The radius of the sleeve 50 is slightly larger than that of the bearing inner ring, and the fastening of the sleeve 50 and the bearing can be achieved through interference fit and bosses on the sleeve 50. The shaft sleeve 50 is provided with a connecting shaft connecting hole of the fan blade 20, the hole diameter is slightly smaller than the connecting shaft diameter of the fan blade 20, and the connecting shaft of the fan blade 20 is in interference fit with the shaft sleeve 50. The bearing assembly is integrally installed on the air duct, the side face of the bearing seat 40 is provided with a certain taper which is matched with a corresponding structure of the air duct to realize radial fixation, and the bearing seat 40 is provided with a boss structure which can be limited on the air duct.
The covering part 52 of the shaft sleeve 50 is of an umbrella-shaped structure, the umbrella diameter of the shaft sleeve 50 is slightly larger than that of a water channel on an air channel, and when condensate water on the fan blade 20 flows onto the shaft sleeve 50 along an axial flow, the condensate water can flow onto the water channel of the air channel part along an umbrella surface to be discharged, so that a water flow path between the bearing and the fan blade 20 is blocked, and the waterproof function of the bearing is realized. The bearing seat 40, the bearing and the shaft sleeve 50 are arranged on the air duct, the shaft end of the connecting shaft of the fan blade 20 is arranged in the shaft sleeve 50, the weight of the through-flow fan blade 20 is borne by the bearing seat 40 after installation, the motor end only needs to provide the torque for rotating the fan blade 20, and the fan blade 20 does not need to be hung continuously, so that the problem that the fan blade 20 falls down can be solved, and meanwhile, the fastening screw for hanging the through-flow fan blade 20 by the motor of the fan blade 20 can be eliminated, so that the problem that the screw of the fan blade 20 is difficult to align and hit can be solved.
The second embodiment of the utility model provides an indoor unit of air conditioner, indoor unit of air conditioner include the wind channel subassembly, and the wind channel subassembly that the wind channel subassembly provided for above-mentioned embodiment.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the air duct assembly in the embodiment solves the following technical problems: the fan blades (mainly the cross-flow fan blades in the embodiment) are axially fixed by using screws, so that the problem of difficulty in aligning and mounting is solved; the motor shaft connected with the fan blade bears the gravity of the fan blade and the through-flow fan blade falls; the condensed water in the air duct permeates into the bearing.
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 forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
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 (10)

1. An air duct assembly, comprising:
the air duct shell (10), the air duct shell (10) is provided with a mounting hole;
the fan blade (20) is rotatably arranged on the air duct shell (10);
the fan blade support structure comprises a bearing structure (30) arranged in the mounting hole, a connecting shaft of the fan blade (20) is arranged in an inner ring of the bearing structure (30), and the bearing structure (30) is used for bearing axial and radial supporting force of the fan blade (20).
2. The air duct assembly of claim 1, further comprising:
a bearing seat (40) mounted in the mounting hole, the bearing structure (30) being mounted on the bearing seat (40).
3. The air duct assembly according to claim 2, characterized in that the bearing seat (40) is provided with a receiving groove, a bottom wall of the receiving groove is provided with a limit boss (41), and the limit boss (41) is used for abutting and limiting the bearing structure (30).
4. The air duct assembly of claim 1, further comprising:
the fan blade bearing structure comprises a shaft sleeve (50) sleeved on a connecting shaft of the fan blade (20), at least part of the shaft sleeve (50) is arranged in an inner ring of the bearing structure (30), and the shaft sleeve (50) is made of flexible materials.
5. The air duct assembly according to claim 4, characterized in that the bushing (50) comprises:
a body portion (51) mounted within an inner race of the bearing structure (30);
and the covering part (52) is arranged at the end part of the body part (51), the covering part (52) is arranged by protruding out of the periphery of the body part (51), and the covering part (52) covers the upper part of the bearing structure (30).
6. The air duct assembly according to claim 5, characterized in that the projected area of the cover portion (52) on the end face of the bearing structure (30) is larger than the area of the end face of the bearing structure (30).
7. The air duct assembly according to claim 5, characterized in that the covering area of the covering portion (52) is gradually increased along the extending direction of the covering portion (52) to the body portion (51).
8. The air duct assembly according to claim 5, wherein the body portion (51) and the cover portion (52) are of an integrally formed construction.
9. The air duct assembly of claim 5, wherein the boss (50) further comprises:
and a positioning flange (53) provided between the main body (51) and the cover (52), wherein the positioning flange (53) is provided so as to protrude from the peripheral edge of the main body (51) and is positioned by the positioning flange (53) being in contact with the end surface of the bearing structure (30).
10. An indoor unit of an air conditioner, characterized in that the indoor unit of the air conditioner comprises an air duct assembly, and the air duct assembly is the air duct assembly of any one of claims 1 to 9.
CN202120404090.6U 2021-02-23 2021-02-23 Air duct assembly and air conditioner indoor unit with same Active CN214536512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120404090.6U CN214536512U (en) 2021-02-23 2021-02-23 Air duct assembly and air conditioner indoor unit with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120404090.6U CN214536512U (en) 2021-02-23 2021-02-23 Air duct assembly and air conditioner indoor unit with same

Publications (1)

Publication Number Publication Date
CN214536512U true CN214536512U (en) 2021-10-29

Family

ID=78236420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120404090.6U Active CN214536512U (en) 2021-02-23 2021-02-23 Air duct assembly and air conditioner indoor unit with same

Country Status (1)

Country Link
CN (1) CN214536512U (en)

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