CN108561342A - Fan and guiding device applied to fan - Google Patents
Fan and guiding device applied to fan Download PDFInfo
- Publication number
- CN108561342A CN108561342A CN201810442934.9A CN201810442934A CN108561342A CN 108561342 A CN108561342 A CN 108561342A CN 201810442934 A CN201810442934 A CN 201810442934A CN 108561342 A CN108561342 A CN 108561342A
- Authority
- CN
- China
- Prior art keywords
- cover board
- guiding device
- fan
- deflector
- wind
- 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.)
- Pending
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- 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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of guiding devices applied to fan, include cricoid first cover board, the second cover board set on the first cover board side for keeping out the wind and several deflectors being articulated between the second cover board and the first cover board in the outside for being sheathed on fan body, all deflectors are set gradually around the central shaft of the first cover board, and deflector can be rotated to adjust the angle of guiding wind direction.Such guiding device can be installed in a manner of additional on fan body, it is transformed without the structure to fan body, so that the wind of fan body output blows to the position for needing to radiate by the guiding of deflector in the guiding device, wind direction can artificially be adjusted with wind-force according to the control of deflector rotational angle, so as to the direction for combining practical service environment adjustment wind to blow, the utilization rate of wind is improved, applicability is preferable.The invention also discloses a kind of fans including above-mentioned guiding device, can improve the applicability of fan.
Description
Technical field
The present invention relates to fan technology fields, more particularly to a kind of guiding device applied to fan.In addition, the present invention is also
It is related to a kind of fan including above-mentioned guiding device.
Background technology
Fan is using the rotation of flabellum to force that gas is pushed to flow.However, setting angle of the flabellum in fan is to wind
The direction blowed has larger limitation, in the case of not mobile fan, the direction of wind can not in conjunction with actual use environment into
Row adjustment, applicability are poor.
Therefore, the applicability for how improving fan, is a technical problem that technical personnel in the field need to solve at present.
Invention content
In view of this, the object of the present invention is to provide a kind of guiding device applied to fan, the suitable of fan can be improved
The property used.It is a further object of the present invention to provide a kind of fans including above-mentioned guiding device, can improve the applicability of fan.
To achieve the above object, the present invention provides the following technical solutions：
A kind of guiding device applied to fan includes cricoid first lid in the outside for being sheathed on fan body
Plate, the second cover board set on first cover board side for keeping out the wind and it is articulated with second cover board and first cover board
Between several deflectors, all deflectors set gradually around the central shaft of first cover board, the deflector energy
Enough rotations are to adjust the angle of guiding wind direction.
Preferably, further include interlocking lever for making two deflectors linkages, the both ends of the interlocking lever are cut with scissors respectively
It is connected to two deflectors.
Preferably, at least two water conservancy diversion board groups, each water conservancy diversion board group are circumferentially equipped on first cover board successively
Include at least two deflectors；In each water conservancy diversion board group, the two neighboring deflector passes through the company
Lever is connected.
Preferably, the middle part of the deflector in the circumferential is articulated with first cover board by axis pin and is covered with described second
Plate, the both ends of the interlocking lever are respectively hinged at the edge of two neighboring deflector the same side in the circumferential.
Preferably, the first key seat and the second key seat, institute are equipped in the edge of the deflector in the circumferential successively in an axial direction
The one end for stating interlocking lever is connected on first key seat of a deflector and the other end is connected to described in another and leads
On second key seat of flowing plate.
Preferably, several ribs are fixed at the side close to first cover board on second cover board, and
All ribs are radially arranged centered on the central shaft of first cover board, add described in adjacent two in circumferential direction
It is correspondingly provided with a water conservancy diversion board group between strong rib.
Preferably, all ribs circumferentially spaced set.
A kind of fan, including fan body are fixedly connected with as described in any of the above-described on the guard of the fan body
Guiding device.
Preferably, the guard of the fan body is equipped with the connecting plate for connecting fan shaft, the guiding device
The second cover board be that annular plate and inner ring are fixed on the connecting plate, the deflector in the guiding device can turn to
Second cover board, the connecting plate form the hemi-closure space being open towards the fan body.
Preferably, the guiding device is detachably connected with the fan body.
Guiding device provided by the invention applied to fan includes the cricoid of the outside for being sheathed on fan body
It first cover board, the second cover board set on the first cover board side for keeping out the wind and is articulated between the second cover board and the first cover board
Several deflectors.All deflectors are set gradually around the central shaft of the first cover board, and deflector can rotate to guide wind direction.
First cover board when in use, can be set in the outside of fan body by the guiding device.Second cover board can rise
To the effect of keeping out the wind, and deflector can play the role of keeping out the wind and guiding wind direction in the state of different angle.When some is led
Position where flowing plate needs wind to blow, and wind direction can be guided to required direction by rotating the deflector, without
The part that wind blows then rotates corresponding deflector and blocks wind.
As it can be seen that such guiding device can be installed in a manner of additional on fan body, without the knot to fan body
Structure is transformed so that the wind of fan body output blows to the portion for needing to radiate by the guiding of deflector in the guiding device
Position, wind direction can artificially be adjusted with wind-force according to the control of deflector rotational angle, so as to combine practical service environment
The direction that adjustment wind blows, improves the utilization rate of wind, applicability is preferable, makes the use more hommization of fan.
The fan provided by the invention for including above-mentioned guiding device, can improve the applicability of fan.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the first side structure schematic diagram of fan provided by the present invention；
Fig. 2 is the second side structural schematic diagram of fan provided by the present invention；
Fig. 3 is the explosive view of fan provided by the present invention；
Fig. 4 is enlarged drawing at the A in Fig. 3；
Fig. 5 is the structural schematic diagram of deflector in guiding device provided by the present invention；
Fig. 6 is the vertical view of deflector in guiding device provided by the present invention；
Fig. 7 is the front view of deflector in guiding device provided by the present invention；
Fig. 8 is the side view of deflector in guiding device provided by the present invention；
Fig. 9 is the structural schematic diagram of interlocking lever in guiding device provided by the present invention；
Figure 10 is the installation diagram of deflector and the second cover board in guiding device provided by the present invention；
Figure 11 is enlarged drawing at the B in Figure 10；
Figure 12 be guiding device provided by the present invention in the second cover board connect with deflector after side view.
In Fig. 1 to Figure 12, the second cover boards of 1-, 101- ribs, the first threaded holes of 102-, the first pin holes of 103-, 2- water conservancy diversion
Plate, 201- axis pins, the first key seats of 202-, the second key seats of 203-, the first cover boards of 3-, the second threaded holes of 301-, 302- third screw threads
Hole, the second pin holes of 303-, 4- fan bodies, the 4th threaded holes of 401-, the first screws of 5-, the second screws of 6-, 7- interlocking levers, 701-
Interlock axis pin.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of guiding device, can improve the applicability of fan.Another core of the present invention
It is to provide a kind of fan including above-mentioned guiding device, the applicability of fan can be improved.
It in a kind of specific embodiment of guiding device provided by the present invention, please refers to Fig.1 to Fig. 3, including is used to be sheathed on
It cricoid first cover board 3 in the outside of fan body 4, the second cover board 1 set on 3 side of the first cover board for keeping out the wind and is articulated with
Several deflectors 2 between second cover board 1 and the first cover board 3.All deflectors 2 are set successively around the central shaft of the first cover board 3
It sets, deflector 2 can be rotated to adjust the angle of guiding wind direction.
Wherein, which is specifically as follows vertical fan, wall fan, ceiling fan or other fans, has net for vertical fan etc.
The fan of cover, the guiding device can be set in outside guard, not have the fan of guard for ceiling fan etc., and the guiding device is specific
It can be set in outside electric fan and be fixed on the wall, in addition, the fan is specifically as follows chilled air fan.
Such guiding device, user by the rotation to deflector 2, can easily in the angular range of permission with
Subjective will determines opening any angle or closing, and the direction and wind-force that wind blows can be adjusted in conjunction with practical service environment,
The utilization rate of wind can be improved, applicability is preferable, makes the use more hommization of fan.
It should be noted that it is circumferential, axial direction in the application, radial on the basis of the central shaft of the first cover board 3, only use
In description purpose, it should not be understood as the limitation to the application.
Specifically, the guiding device can also include for make two deflectors 2 link interlocking lever 7, the two of interlocking lever 7
End is hingedly connected to two deflectors 2, and when stirring one of deflector 2, another is led with it by what interlocking lever 7 was connected
Flowing plate 2 can also be swung, and be controlled so as to the convenient rotation to deflector 2.
Further, Fig. 8 and Figure 12 are please referred to, at least two deflectors can be circumferentially equipped with successively on the first cover board 3
Group, and each water conservancy diversion board group includes at least two deflectors 2.In each water conservancy diversion board group, two neighboring deflector 2 passes through
Interlocking lever 7 is connected, then in each water conservancy diversion board group, it is only necessary to stir one of deflector 2, remaining deflector 2 occurs corresponding
Rotation, it is easy to control, and the movement between different water conservancy diversion board groups is phase to make the grouping of deflector 2 be oriented to wind
To independent.
Further, the middle part of deflector 2 in the circumferential is articulated with the first cover board 3 and the second cover board 1 by axis pin, interlocks
The both ends of bar 7 are respectively hinged at the edge of the same side in the circumferential of two neighboring deflector 2.Specifically, it please refers to Fig.4 to Fig. 8,
The both sides of deflector 2 can collinearly be equipped with axis pin 201, and the second pin hole 303 of one of axis pin 201 and the first cover board 3 is hinged
And the first pin hole 301 on another axis pin 201 and the second cover board 1 is hinged, with this can be thus achieved deflector 2 positioning and
Angle around axis pin 201 adjusts.It specifically can be with reference chart 10, by taking clockwise direction as an example, for each deflector 2 in circumferential direction
On two edge, interlock axis pin 701 be both connected to deflector 2 in the clockwise direction rise initial line on.Through this embodiment
Setting, the synchronism that deflector 2 in each water conservancy diversion board group is overturn can be improved.Preferably, all in each water conservancy diversion board group lead
Flowing plate 2 can be identical, when so as to a deflector 2 in stirring the water conservancy diversion board group in user, own in the group
The open angle of deflector 2 is almost the same.
Further, it please refers to Fig. 5 and Figure 10, the can be equipped in the edge of deflector 2 in the circumferential successively in an axial direction
One end of one key seat 202 and the second key seat 203, interlocking lever 7 is connected on the first key seat 202 of a deflector 2 and the other end
It is connected on the second key seat 203 of another deflector 2.Specifically, the first key seat 202 and second pin on a deflector 2
Seat 203 can be two pins positions being arranged on same total key seat.Specifically, Fig. 9 to Figure 11 is please referred to, the two of interlocking lever 7
End, which can be respectively equipped with, interlocks axis pin 701 to connect the first key seat 202 or the second key seat 203.In the present embodiment, each water conservancy diversion board group
In interlocking lever 7 be staggered setting, convenient for ensureing the stress balance of each deflector 2.
Further, several ribs 101 can be fixed at the side close to the first cover board 3 on the second cover board 1,
And all ribs 101 are radially arranged centered on the central shaft of the first cover board 3, two adjacent ribs in circumferential direction
A water conservancy diversion board group is correspondingly provided between 101.Ribs 101, can be right while improving the integral strength of the guiding device
Guiding device carries out subregion, to further increase the independence moved between different water conservancy diversion board groups.
Specifically, when the guiding device is installed on fan body 4, ribs 101 can resist the net of fan body 4
Cover, to enable ribs 101, the second cover board 1 and deflector 2 to be formed towards the semiclosed of 4 one side opening of fan body
Space.
Further, all ribs 101 can circumferentially spaced set, in order to process.
In the embodiment of any of the above-described setting ribs 101, the quantity of ribs 101 can carry out according to actual needs
Setting.For example, ribs 101 can be distributed along the circumference with 6,30 deflectors 2 are divided into 6 water conservancy diversion board groups, every 5 water conservancy diversion
Plate 2 is 1 group, and a water conservancy diversion board group is arranged between two neighboring ribs 101.
Based on any of the above embodiments, the first cover board 3 can be fixedly connected with the second cover board 1 by screw, just
In operation.Specifically, the first threaded hole 102 can be set on first cover board 3, second threaded hole can be set on the second cover board 1
301, the first threaded hole 102 is fixedly connected with the second threaded hole 301 by the first screw 5.
Based on any of the above embodiments, deflector 2, specifically can be outer what is be subject to after having adjusted angle successively
Holding position is constant when power is less than default external force, in order to avoid need hand steered deflector 2 in real time.Preferably, default external force can pass through
Frictional force between deflector 2 and adjacent component is realized.Or it can be arranged on deflector 2 for being locked with 3 phase of the first cover board
Fixed locking piece, the position to ensure the deflector 2 after adjusting deflector 2 are constant.
It in addition to above-mentioned guiding device, please refers to Fig.1 to Fig. 3, the present invention also provides a kind of fan, which includes fan
Ontology 4 and guiding device, the guiding device can be the guiding device in any of the above-described embodiment, guiding device fixed setting
On the guard of fan body 4.Specifically, guiding device can be detachably connected with fan body 4, in order to repair.Into one
Step, the 4th threaded hole 401 can be set on fan body 4, third threaded hole 302, third spiral shell can be set on the first cover board 3
Pit 302, the 4th threaded hole 401 are correspondingly connected with by the second screw 6.Certainly, other than the mode of screw connection, fan body
4 can also be achieved a fixed connection with guiding device by modes such as buckles.The structure of other each sections of the fan please refers to existing
There is technology, repeats no more herein.
In the fan, due to being provided with guiding device, can in conjunction with the practical service environment direction that blows of adjustment wind with
And wind-force, the utilization rate of wind can be improved, applicability is preferable, makes the use more hommization of fan.
Further, the guard of fan body 4 is equipped with connecting plate for connecting fan shaft, and the second of guiding device
Cover board 1 can be annular plate and inner ring is fixed on the connecting plate, and specifically, the deflector 2 in guiding device can turn to
The hemi-closure space being open towards fan body 4 is formed with the second cover board 1, connecting plate.As shown in Figure 1, the first cover board 3 can be with
The connecting plate, which matches, reliably keeps out the wind to the side of fan body 4, and 360 degree of full sides to wind direction may be implemented in deflector 2
Position adjust, can concentrate wind-force be directed to need wind to target brushed.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Fan provided by the present invention and its guiding device are described in detail above.It is used herein specifically a
Principle and implementation of the present invention are described for example, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection domain in.
Claims (10)
1. a kind of guiding device applied to fan, which is characterized in that including the ring in the outside for being used to be sheathed on fan body (4)
The first cover board (3) of shape, the second cover board (1) for keeping out the wind for being set to the first cover board (3) side and it is articulated with described the
Several deflectors (2) between two cover boards (1) and first cover board (3), all deflectors (2) are around first lid
The central shaft of plate (3) is set gradually, and the deflector (2) can rotate to adjust the angle of guiding wind direction.
2. guiding device according to claim 1, which is characterized in that further include for making two deflector (2) connection
The both ends of dynamic interlocking lever (7), the interlocking lever (7) are hingedly connected to two deflectors (2).
3. guiding device according to claim 2, which is characterized in that be circumferentially equipped with successively on first cover board (3)
At least two water conservancy diversion board groups, each water conservancy diversion board group includes at least two deflectors (2)；In each deflector
In group, the two neighboring deflector (2) is connected by the interlocking lever (7).
4. guiding device according to claim 3, which is characterized in that the middle part of the deflector (2) in the circumferential passes through
Axis pin is articulated with first cover board (3) and second cover board (1), and the both ends of the interlocking lever (7) are respectively hinged at adjacent
The edge of two deflectors (2) the same side in the circumferential.
5. guiding device according to claim 4, which is characterized in that the edge upper edge of the deflector (2) in the circumferential
It is axial to be equipped with the first key seat (202) and the second key seat (203) successively, one end of the interlocking lever (7) be connected to one described in lead
On first key seat (202) of flowing plate (2) and the other end is connected to second key seat of another deflector (2)
(203) on.
6. guiding device according to claim 5, which is characterized in that several ribs (101) are fixed at described
Close to the side of first cover board (3) on second cover board (1), and all ribs (101) are with first cover board (3)
Central shaft centered on be radially arranged, be correspondingly provided with an institute between adjacent two ribs (101) in circumferential direction
State water conservancy diversion board group.
7. guiding device according to claim 6, which is characterized in that all ribs (101) are circumferentially equidistant
Setting.
8. a kind of fan, including fan body (4), which is characterized in that be fixedly connected and have the right on the guard of the fan body (4)
Profit requires 1 to 7 any one of them guiding device.
9. fan according to claim 8, which is characterized in that the guard of the fan body (4) is equipped with for connecting
Second cover board of the connecting plate of fan shaft, the guiding device is annular plate and inner ring is fixed on the connecting plate, described
Deflector in guiding device, which can be turned to, to be formed towards the fan body and is open with second cover board, the connecting plate
Hemi-closure space.
10. fan according to claim 9, which is characterized in that the guiding device is detachable with the fan body (4)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442934.9A CN108561342A (en) | 2018-05-10 | 2018-05-10 | Fan and guiding device applied to fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442934.9A CN108561342A (en) | 2018-05-10 | 2018-05-10 | Fan and guiding device applied to fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561342A true CN108561342A (en) | 2018-09-21 |
Family
ID=63538455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442934.9A Pending CN108561342A (en) | 2018-05-10 | 2018-05-10 | Fan and guiding device applied to fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031544A1 (en) * | 2019-08-21 | 2021-02-25 | 广东美的环境电器制造有限公司 | Air outlet device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030021682A1 (en) * | 2001-07-27 | 2003-01-30 | Shou-Tang Tseng | Omnidirectional electric fan |
| TW201331480A (en) * | 2012-01-17 | 2013-08-01 | United Trust Electronic Co Ltd | Electric fan |
| CN105465012A (en) * | 2015-08-15 | 2016-04-06 | 卢肇强 | Magnetic-assisted exhaust fan |
| CN205939611U (en) * | 2016-08-09 | 2017-02-08 | 珠海格力电器股份有限公司 | Air -out mechanism and air conditioner |
| CN106871402A (en) * | 2017-04-10 | 2017-06-20 | 珠海格力电器股份有限公司 | Air conditioning mechanism |
| CN208268125U (en) * | 2018-05-10 | 2018-12-21 | 广东工业大学 | Fan and the adjustable blast deflector of fan of wind direction |
-
2018
- 2018-05-10 CN CN201810442934.9A patent/CN108561342A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030021682A1 (en) * | 2001-07-27 | 2003-01-30 | Shou-Tang Tseng | Omnidirectional electric fan |
| TW201331480A (en) * | 2012-01-17 | 2013-08-01 | United Trust Electronic Co Ltd | Electric fan |
| CN105465012A (en) * | 2015-08-15 | 2016-04-06 | 卢肇强 | Magnetic-assisted exhaust fan |
| CN205939611U (en) * | 2016-08-09 | 2017-02-08 | 珠海格力电器股份有限公司 | Air -out mechanism and air conditioner |
| CN106871402A (en) * | 2017-04-10 | 2017-06-20 | 珠海格力电器股份有限公司 | Air conditioning mechanism |
| CN208268125U (en) * | 2018-05-10 | 2018-12-21 | 广东工业大学 | Fan and the adjustable blast deflector of fan of wind direction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031544A1 (en) * | 2019-08-21 | 2021-02-25 | 广东美的环境电器制造有限公司 | Air outlet device |
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