CN108361209B - Air duct assembly and air conditioner - Google Patents
Air duct assembly and air conditioner Download PDFInfo
- Publication number
- CN108361209B CN108361209B CN201810162384.5A CN201810162384A CN108361209B CN 108361209 B CN108361209 B CN 108361209B CN 201810162384 A CN201810162384 A CN 201810162384A CN 108361209 B CN108361209 B CN 108361209B
- Authority
- CN
- China
- Prior art keywords
- fan blade
- motor
- shaft
- bottom shell
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/112—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application provides an air duct assembly and an air conditioner. The wind channel subassembly includes: a bottom shell and a motor; the fan blade assembly is arranged on the bottom shell and comprises a fan blade shaft and a cross-flow fan blade sleeved on the fan blade shaft, the fan blade shaft extends along the length direction of the bottom shell, one end, close to the motor, of the fan blade shaft is suspended and supported on the bottom shell through the magnetic suspension mechanism, and one end, far away from the motor, of the fan blade shaft is supported on the bottom shell through the bearing seat. The magnetic suspension mechanism is designed at one end of the fan blade component close to the motor, and the fan blade shaft of the fan blade component close to one end of the motor is in a suspension state under the action of the magnetic suspension mechanism. Therefore, the device not only plays a role in supporting the fan blade assembly and ensuring that the fan blade shaft and the motor output shaft are always in a centered state, but also overcomes the friction abnormal sound caused by the cooperation of the supporting part and the fan blade shaft.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to an air duct assembly and an air conditioner.
Background
The air conditioner is used as a commonly used household appliance, and the production and operation of the air conditioner require flexible assembly of the product so as to meet the requirements of quick assembly in production and convenient disassembly and maintenance in maintenance of later operation. The flexible design of the connection of the fan blade and the motor, which are core parts of the air conditioner, directly influences the rapidity of assembly and disassembly.
The traditional connection design of the air conditioner fan blade and the motor mainly adopts the following modes: the motor shaft stretches into the fan blade shaft, and then the fan blade shaft and the motor shaft are fastened through the fastening screw, so that the motor drives the fan blade to rotate.
The design is very inconvenient for the separation, disassembly and installation of the fan blade and the motor, and also causes the difficulties of the disassembly work such as the separation and the cleaning of the later-stage air duct component and the whole machine, the separation and the maintenance of the motor and the whole machine, and the like. The reason is that once the fan blade is disconnected with the motor, the fan blade shaft and the motor shaft must be centered first when the fan blade is in butt joint, and the fan blade at the inner core position of the air conditioner and the motor want to be manually centered, all peripheral parts such as an evaporator and the like need to be disassembled, so that the operation is very troublesome and complicated.
The modular air conditioner is designed in a mature technical development direction, and the modular air conditioner easy to detach and clean is invented in the prior art. The core technology of the modularized air conditioner is that the separation of the fan blade shaft and the motor shaft is required to be realized, and the fan blade can be detached along with the air duct component to be cleaned. The main problem of the connection is that the connection shaft is centered, and only the structure can realize self-centering, so that the later-stage disassembly and assembly become easy to operate. In the early stage, I also provides a connecting structure for realizing the design, and because the motor side of the fan blade shaft adopts a rubber bearing ring for supporting and centering, the friction between the fan blade shaft and the supporting structure inevitably generates noise.
Disclosure of Invention
The application mainly aims to provide an air duct assembly and an air conditioner, which are used for solving the problems that after a fan blade of the air duct assembly is separated from a motor, a connecting shaft is difficult to center, and the fan blade rotates to drive the fan blade shaft to rub and easily cause abnormal noise in the prior art.
In order to achieve the above object, according to one aspect of the present application, there is provided a duct assembly comprising: a bottom shell and a motor; the fan blade assembly is arranged on the bottom shell and comprises a fan blade shaft and a cross-flow fan blade sleeved on the fan blade shaft, the fan blade shaft extends along the length direction of the bottom shell, one end, close to the motor, of the fan blade shaft is suspended and supported on the bottom shell through a magnetic suspension mechanism, and one end, far away from the motor, of the fan blade shaft is supported on the bottom shell through a bearing seat.
Further, the magnetic suspension mechanism includes: the first magnetic piece is fixedly arranged at the first end of the bottom shell; the second magnetic piece is fixedly arranged at one end, close to the motor, of the fan blade assembly, and the first magnetic piece and the second magnetic piece repel each other so that the fan blade shaft is suspended.
Further, the first magnetic member is a first magnetic ring.
Further, the second magnetic piece is a second magnetic ring fixed on the through-flow fan blade, and the second magnetic ring is embedded in the first magnetic ring.
Further, the first magnetic piece and the bottom shell are integrally formed or fixed on the bottom shell through a first fastening piece, and the second magnetic piece and the through-flow fan blade are integrally formed or fixed on the through-flow fan blade through a second fastening piece.
Further, the width of the first magnetic piece along the length direction of the bottom shell is L2, the width of the second magnetic piece along the length direction of the bottom shell is L1, and the stroke of the through-flow fan blade along the length direction of the bottom shell is L3, wherein L1/2+L3< L2/2.
Further, the wind channel subassembly still includes coupling assembling, coupling assembling includes: the fan blade shaft sleeve is fixedly arranged on the fan blade shaft; the motor shaft sleeve is fixed on an output shaft of the motor, and the motor shaft sleeve and the fan blade shaft sleeve are detachably connected together.
Further, teeth are arranged on one of the fan blade shaft sleeve and the motor shaft sleeve, and tooth grooves matched with the teeth are arranged on the other one of the fan blade shaft sleeve and the motor shaft sleeve.
Further, the air duct assembly further comprises a motor base, and the motor is mounted on the motor base.
According to another aspect of the present application, there is provided an air conditioner including an air duct assembly, the air duct assembly being the air duct assembly described above.
By applying the technical scheme of the application, the fan blade assembly is provided with the magnetic suspension mechanism near one end of the motor, and the fan blade shaft near one end of the motor is in a suspension state under the action of the magnetic suspension mechanism. Therefore, the device not only plays a role in supporting the fan blade assembly and ensuring that the fan blade shaft and the motor output shaft are always in a centered state, but also overcomes the friction abnormal sound caused by the cooperation of the supporting part and the fan blade shaft.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 schematically illustrates a front view of a partial structure of a duct assembly of the present application;
FIG. 2 schematically illustrates a front view of a bottom housing portion of the air chute assembly of the present application;
FIG. 3 schematically illustrates a first perspective view of a bottom housing portion of the air chute assembly of the present application;
FIG. 4 schematically illustrates a second perspective view of a bottom housing portion of the air chute assembly of the present application;
FIG. 5 schematically illustrates a perspective view of a bottom housing of the air chute assembly of the present application;
FIG. 6 schematically illustrates a perspective view of a fan blade assembly of the present application;
FIG. 7 schematically illustrates an exploded view of the connection assembly of the present application;
fig. 8 schematically shows a diagram of the movement relationship of the first magnetic member and the second magnetic member of the present application when they are assembled together.
Wherein the above figures include the following reference numerals:
10. a bottom case; 30. a fan blade assembly; 31. through-flow fan blades; 32. a fan blade shaft; 40. a connection assembly; 41. a fan blade shaft sleeve; 42. A motor shaft sleeve; 43. teeth; 44. tooth slots; 50. a magnetic suspension mechanism; 51. a first magnetic member; 52. a second magnetic member; 60. A motor base; 70. and a bearing seat.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
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 exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated 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 the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
After long-term operation, the air conditioner can accumulate a large amount of dust in the air duct, and a powerful environment is provided for the growth of harmful bacteria due to the factors of the humid environment in the air duct system, so that the health of consumers is seriously endangered. Therefore, the application provides that the air duct system can be detached from the whole machine, can be cleaned, and the fan blade assembly and the bottom shell can be detached from the whole machine for cleaning. The fan blade assembly on the air duct component is supported on one side close to the motor end through the bearing rubber seat assembly, and the bearing rubber seat assembly is assembled on the bottom shell in a buckling mode. The supporting structure of the fan blade has the following defects: the fan blade shaft is in micro-clearance fit with the bearing rubber seat assembly on the bottom shell, when the fan blade runs, the fan blade and the bearing rubber seat assembly can rub to generate abnormal sound, and the comfort of the whole machine is greatly reduced.
In order to solve the above-mentioned problems, according to an embodiment of the present application, there is provided an air duct assembly, which includes a bottom case 10, a motor (not shown), a fan assembly, a motor housing 60, and a connection assembly 40, as shown in fig. 1 to 8. Wherein, the motor base 60 is installed at the first end of the bottom shell 10, and the motor is installed on the motor base 60; the fan blade assembly 30 is arranged on the bottom shell 10, the fan blade assembly 30 comprises a fan blade shaft 32 and a cross-flow fan blade 31 sleeved on the fan blade shaft 32, the fan blade shaft 32 extends along the length direction of the bottom shell 10, one end, close to a motor, of the fan blade shaft 32 is suspended and supported at a first end of the bottom shell 10 through a magnetic suspension mechanism 50, and one end, far away from the motor, of the fan blade shaft 32 is supported at a second end of the bottom shell 10 through a bearing seat 70; the output shaft of the motor is detachably connected with the fan blade shaft 32 through a connecting assembly 40.
The actual assembly is as follows: when the bottom shell 10 is not assembled on the whole machine, the fan blade assembly is preassembled in the bottom shell 10, the bearing blocks 70 at the two ends of the fan blade assembly and the support of the magnetic suspension mechanism 50 realize that the fan blade shaft 32 is positioned at the middle axis position of the air duct, and then the fan blade shaft and other parts are preassembled into an air duct part; when the air duct component is assembled to the motor base 60, the center shaft position of the air duct component and the position of the motor output shaft are designed to be structural centering, and the fan blade shaft 32 in the assembled air duct component is automatically centered with the motor shaft. At this time, the fan blade assembly is shifted toward the motor, the connection assembly 40 connects the fan blade shaft 32 with the motor output shaft, and when the fan blade assembly is shifted away from the motor, the connection assembly 40 is separated, but the fan blade assembly is always in a suspended state near the motor side due to the effect of the magnetic suspension mechanism 50. In order to achieve the above movement effect, the fan blade shaft and the motor side are always in a suspension state under the two states of separation and connection, and the fan blade shaft is matched with a support structure of a bearing seat 70 of the motor side to achieve the coaxial position of the fan blade shaft and the central shaft of the air duct.
Therefore, the fan blade assembly of the application is provided with the magnetic suspension mechanism 50 near one end of the motor, and the fan blade shaft 32 near one end of the motor is in a suspension state under the action of the magnetic suspension mechanism 50. Thus, the fan blade assembly is supported, the fan blade shaft 32 and the motor output shaft are always in a centered state, and friction abnormal sound caused by the cooperation of the supporting part and the fan blade shaft 32 is overcome.
Referring to fig. 4 and 5, the magnetic suspension mechanism 50 in the present embodiment includes a first magnetic member 51 and a second magnetic member 52, wherein the first magnetic member 51 is fixedly disposed at a first end of the bottom case 10; the second magnetic piece 52 is fixedly arranged at one end of the fan blade assembly 30, which is close to the motor, and the first magnetic piece 51 and the second magnetic piece 52 repel each other to suspend the fan blade shaft 32.
Preferably, the first magnetic member 51 in this embodiment is a first magnetic ring, and the second magnetic member 52 is a second magnetic ring fixed on the through-flow fan blade 31, and the second magnetic ring is embedded in the first magnetic ring, so as to stably support the fan blade assembly.
In the actual processing process, the first magnetic member 51 and the bottom case 10 in this embodiment may be integrally formed and disposed, or may be fixed to the bottom case 10 by a first fastening member, and similarly, the second magnetic member 52 and the through-flow fan blade 31 may be integrally formed and disposed, or may be fixed to the through-flow fan blade 31 by a second fastening member. The first fastener and the second fastener in this embodiment may be structures such as screws, pins or rivets, and any other modifications within the scope of the present application are within the scope of the present application.
Referring to fig. 8, the arrow direction in fig. 8 indicates the movement direction of the through-flow fan 31, the width of the first magnetic member 51 along the length direction of the bottom shell 10 is L2, the width of the second magnetic member 52 along the length direction of the bottom shell 10 is L1, and the stroke of the through-flow fan 31 along the length direction of the bottom shell 10 is L3, where L1/2+l3< L2/2, so as to ensure that the fan shaft 32 can be always in a suspended state due to the mutual repulsion of the first magnetic member 51 and the second magnetic member 52.
Referring again to fig. 1 to 7, the connection assembly 40 in the present embodiment includes a fan blade shaft housing 41 and a motor shaft housing 42, wherein the fan blade shaft housing 41 is fixedly disposed on the fan blade shaft 32; the motor shaft sleeve 42 is fixed on the output shaft of the motor, and the motor shaft sleeve 42 is detachably connected with the fan blade shaft sleeve 41.
One of the fan blade shaft sleeve 41 and the motor shaft sleeve 42 is provided with a tooth 43, and the other one is provided with a tooth socket 44 matched with the tooth 43, so that the motor output shaft and the fan blade shaft 32 can be conveniently and detachably connected together, and the structure is simple, and the realization is convenient.
As can be seen from the above embodiments, the end of the bottom shell 10 near the motor end of the present application is designed with a magnetic suspension mechanism 50, which supports the fan blade assembly through magnetic repulsion, and the fan blade assembly is connected with the motor through the connection assembly 40. The state of the fan blade assembly on the bottom shell 10 is shown in fig. 3, a traditional fan blade bearing seat 70 is adopted at the end side of the bottom shell 10 far away from the motor, and the bearing seat 70 is fixed on the bottom shell 10 through a buckle and is used for supporting the fan blade; the bottom case 10 is supported near the motor end side by a magnetic suspension mechanism 50.
The first magnetic element 51 on the bottom case 10 and the bottom case 10 can be fixed by injection-inlaid fixing structures or buckles (not shown), and the second magnetic element 52 on the cross-flow fan blade 31 and the cross-flow fan blade 31 can also be fixed by injection-inlaid fixing structures or buckles (not shown). In addition, in order to detach the air duct component from the whole machine, the application adopts the connecting component 40 for connection, the fan blade shaft 32 and the motor output shaft are respectively provided with the fan blade shaft sleeve 41 and the motor shaft sleeve 42, the fan blade shaft sleeve 41 and the motor shaft sleeve 42 are connected through the tooth teeth 43 and the tooth grooves 44, and the magnetic suspension mechanism 50 provided by the application can lead the fan blade shaft 32 and the motor output shaft to be always in a centering state, so that the two shaft bodies can be conveniently separated and connected, and further the rapid detachment and installation of the air duct system are realized.
According to another aspect of the present application, there is provided an air conditioner including an air duct assembly, which is the above-described air duct assembly. The magnetic suspension technology designed in the design is applied to an air conditioner, so that the fan blade shaft and the motor shaft are always in a centering state when being connected and separated, and the connection and the disassembly of the shaft are convenient; meanwhile, the magnetic suspension technology enables the fan blade connecting shaft part to be always in a suspension state, so that the phenomenon that abnormal sound is generated due to friction caused by part matching is greatly reduced, and the comfort of the whole machine is improved.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
according to the application, one end of the fan blade component is provided with the annular second magnetic part, the corresponding end of the bottom shell is provided with the first magnetic part, and the fan blade component is in a suspension state close to the motor end through magnetic repulsion, so that the fan blade shaft and the motor shaft are always in a centering state when being connected and separated, the connection and the separation of the shaft are convenient, the problem of abnormal noise caused by friction can be effectively overcome, the noise of the whole machine is greatly reduced, and the comfort of the whole machine is improved.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. An air duct assembly, comprising:
a bottom shell (10) and a motor;
the fan blade assembly (30), the fan blade assembly (30) is installed on the bottom shell (10), the fan blade assembly (30) comprises a fan blade shaft (32) and a cross-flow fan blade (31) sleeved on the fan blade shaft (32), the fan blade shaft (32) extends along the length direction of the bottom shell (10), one end, close to the motor, of the fan blade shaft (32) is suspended and supported on the bottom shell (10) through a magnetic suspension mechanism (50), and one end, far away from the motor, of the fan blade shaft (32) is supported on the bottom shell (10) through a bearing seat (70);
the magnetic suspension mechanism (50) includes:
a first magnetic member (51), wherein the first magnetic member (51) is fixedly arranged at a first end of the bottom shell (10);
the second magnetic piece (52), the second magnetic piece (52) is fixedly arranged at one end, close to the motor, of the fan blade assembly (30), and the first magnetic piece (51) and the second magnetic piece (52) repel each other so as to suspend the fan blade shaft (32);
the width of the first magnetic piece (51) along the length direction of the bottom shell (10) is L2, the width of the second magnetic piece (52) along the length direction of the bottom shell (10) is L1, and the stroke of the through-flow fan blade (31) along the length direction of the bottom shell (10) is L3, wherein L1/2+L3< L2/2;
the output shaft of the motor is detachably connected with the fan blade shaft (32);
the air duct assembly further comprises a connection assembly (40), the connection assembly (40) comprising:
a fan blade shaft sleeve (41), wherein the fan blade shaft sleeve (41) is fixedly arranged on the fan blade shaft (32);
the motor shaft sleeve (42), motor shaft sleeve (42) are fixed on the output shaft of motor, motor shaft sleeve (42) with fan blade axle sleeve (41) detachably link together.
2. The air duct assembly of claim 1, wherein the first magnetic member (51) is a first magnetic ring.
3. The air duct assembly according to claim 2, characterized in that the second magnetic member (52) is a second magnetic ring fixed on the through-flow fan blade (31), and the second magnetic ring is embedded inside the first magnetic ring.
4. The air duct assembly according to claim 1, wherein the first magnetic member (51) is integrally formed with the bottom case (10) or is fixed on the bottom case (10) by a first fastening member, and the second magnetic member (52) is integrally formed with the through-flow fan blade (31) or is fixed on the through-flow fan blade (31) by a second fastening member.
5. The air duct assembly according to claim 1, characterized in that one of the fan blade shaft sleeve (41) and the motor shaft sleeve (42) is provided with teeth (43), and the other is provided with tooth grooves (44) matched with the teeth (43).
6. The air duct assembly of claim 1, further comprising a motor mount (60), the motor being mounted on the motor mount (60).
7. An air conditioner comprising a duct assembly, wherein the duct assembly is the duct assembly of any one of claims 1 to 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162384.5A CN108361209B (en) | 2018-02-26 | 2018-02-26 | Air duct assembly and air conditioner |
| PCT/CN2018/119830 WO2019161695A1 (en) | 2018-02-26 | 2018-12-07 | Air duct assembly and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162384.5A CN108361209B (en) | 2018-02-26 | 2018-02-26 | Air duct assembly and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361209A CN108361209A (en) | 2018-08-03 |
| CN108361209B true CN108361209B (en) | 2023-12-08 |
Family
ID=63003123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810162384.5A Active CN108361209B (en) | 2018-02-26 | 2018-02-26 | Air duct assembly and air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108361209B (en) |
| WO (1) | WO2019161695A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667788A (en) * | 2018-12-29 | 2019-04-23 | 珠海格力电器股份有限公司 | Cross-flow fan blade and floor type air conditioner |
| CN110332612B (en) * | 2019-07-19 | 2023-08-25 | 珠海格力电器股份有限公司 | Indoor unit, air conditioner and method for disassembling indoor unit |
| CN114383202A (en) * | 2020-10-19 | 2022-04-22 | 宁波奥克斯电气股份有限公司 | Base assembly and air conditioner |
| CN114183393B (en) * | 2021-11-29 | 2024-08-20 | 珠海格力电器股份有限公司 | Bearing assembly, air supply device and air conditioner |
| FR3140656A1 (en) * | 2022-10-10 | 2024-04-12 | Valeo Systemes Thermiques | Ventilation device comprising retention means |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10173259A (en) * | 1996-12-06 | 1998-06-26 | Komatsu Ltd | Excimer laser device |
| CN1299035A (en) * | 2000-11-14 | 2001-06-13 | 刘大刚 | Low-noise air conditioner |
| JP2002048086A (en) * | 2000-08-07 | 2002-02-15 | Nsk Ltd | Cross flow fan shaft |
| CN1584339A (en) * | 2003-08-21 | 2005-02-23 | 日本电产株式会社 | Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism |
| CN2823621Y (en) * | 2005-07-22 | 2006-10-04 | 珠海格力电器股份有限公司 | fan device of household appliance |
| CN208010613U (en) * | 2018-02-26 | 2018-10-26 | 珠海格力电器股份有限公司 | Air duct assembly and air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280287A (en) * | 2000-03-31 | 2001-10-10 | Fujitsu General Ltd | Cross flow blower |
| CN1594890A (en) * | 2004-06-23 | 2005-03-16 | 西安交通大学 | High speed power driven magnetic suspension centrifugal blower |
| CN201236847Y (en) * | 2008-05-19 | 2009-05-13 | 许雅玲 | Detachable cross flow fan |
| CN203488391U (en) * | 2013-08-26 | 2014-03-19 | 珠海格力电器股份有限公司 | Multistage centrifugal compressor and air conditioning unit |
| CN206889323U (en) * | 2017-04-26 | 2018-01-16 | 珠海格力电器股份有限公司 | Transmission device used between impeller and motor and air conditioner thereof |
-
2018
- 2018-02-26 CN CN201810162384.5A patent/CN108361209B/en active Active
- 2018-12-07 WO PCT/CN2018/119830 patent/WO2019161695A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10173259A (en) * | 1996-12-06 | 1998-06-26 | Komatsu Ltd | Excimer laser device |
| JP2002048086A (en) * | 2000-08-07 | 2002-02-15 | Nsk Ltd | Cross flow fan shaft |
| CN1299035A (en) * | 2000-11-14 | 2001-06-13 | 刘大刚 | Low-noise air conditioner |
| CN1584339A (en) * | 2003-08-21 | 2005-02-23 | 日本电产株式会社 | Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism |
| CN2823621Y (en) * | 2005-07-22 | 2006-10-04 | 珠海格力电器股份有限公司 | fan device of household appliance |
| CN208010613U (en) * | 2018-02-26 | 2018-10-26 | 珠海格力电器股份有限公司 | Air duct assembly and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108361209A (en) | 2018-08-03 |
| WO2019161695A1 (en) | 2019-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108361209B (en) | Air duct assembly and air conditioner | |
| CN107742943B (en) | Assembling structure of wind wheel and motor shaft and tower fan | |
| WO2018166198A1 (en) | Bearing housing assembly and air conditioner therewith | |
| CN108426317B (en) | Transmission assembly and air conditioner | |
| CN208040739U (en) | Impeller assembly and air conditioner thereof | |
| CN107542704B (en) | Fan subassembly and have its air conditioner | |
| CN201953693U (en) | Fan | |
| CN208010613U (en) | Air duct assembly and air conditioner | |
| CN107525246B (en) | Fan blade mounting structure and air conditioner with same | |
| CN107178886B (en) | Air-out frame subassembly and have its air conditioner | |
| CN111685667A (en) | Be applied to quick detach structure of robot of sweeping floor | |
| CN107740784B (en) | Rotating shaft mounting structure and tower fan | |
| CN115814533A (en) | Carbon-fibre composite processing dust collector | |
| CN108397409B (en) | Fan subassembly and have its air conditioner | |
| CN108799196B (en) | Air conditioner impeller dismounting/mounting control method and air conditioner | |
| CN110274303B (en) | Indoor unit, air conditioner and method for disassembling indoor unit | |
| CN213713460U (en) | Air duct assembly and air conditioner | |
| KR102017063B1 (en) | Cable leader for electrical wiring work in apartment house | |
| CN208817671U (en) | Sweep wind blade subassembly and air conditioner | |
| CN108775627B (en) | bearing rubber ring assembly and air conditioner with same | |
| CN108953226B (en) | Air guide structure and fan comprising same | |
| CN220566260U (en) | Fan subassembly and air conditioner | |
| CN217441941U (en) | Filter screen fixing structure easy to assemble and disassemble and air conditioner | |
| CN111380191A (en) | Connecting assembly and air conditioner with same | |
| US20190365172A1 (en) | Vacuum cleaner brush assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |