CN207420932U - Oscillating mechanism and warm-air drier - Google Patents
Oscillating mechanism and warm-air drier Download PDFInfo
- Publication number
- CN207420932U CN207420932U CN201721445007.XU CN201721445007U CN207420932U CN 207420932 U CN207420932 U CN 207420932U CN 201721445007 U CN201721445007 U CN 201721445007U CN 207420932 U CN207420932 U CN 207420932U
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- CN
- China
- Prior art keywords
- electric machine
- machine support
- oscillating mechanism
- pedestal
- vertical shaft
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- 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.)
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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
- 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
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Toys (AREA)
Abstract
The utility model discloses a kind of oscillating mechanism and warm-air driers, the oscillating mechanism includes pedestal, transmission component, the electric machine support being connected with the pedestal and the driving motor on electric machine support, the first end of the transmission component is connected with the driving motor, the second end of the transmission component is connected with the pedestal, the transmission component can drive the electric machine support to be moved back and forth compared with the pedestal, the pedestal is equipped with annular groove, the electric machine support is equipped with the annular muscle being adapted with the annular groove, the annular muscle is placed in the annular groove.The utility model is made the connection of pedestal and electric machine support more firm, so as to increase the rigidity of oscillating mechanism, is ensured to shake the head smooth, avoid the occurrence of shaking phenomenon by the cooperation of annular groove and annular muscle.
Description
Technical field
The utility model is related to warm-air drier technical field more particularly to a kind of oscillating mechanisms and warm-air drier.
Background technology
With the development of the society, the use of warm-air drier is more and more common, it is continuous reciprocal that oscillating mechanism is common in needs progress
On the warm-air drier product of movement, existing oscillating mechanism is mainly used on a lower height of product, and oscillating mechanism need compared with
Big bearing area.It is existing to shake the head when the smaller situation of height height or the bearing area of oscillating mechanism that product occur
Mechanism is just present with the problems such as having some setbacks, integrally rocking of shaking the head.
In view of the defects of above-mentioned, it is necessary to which a kind of new oscillating mechanism is provided.
Utility model content
The main purpose of the utility model is to provide a kind of oscillating mechanism, it is intended to solve existing oscillating mechanism and shake the head to have some setbacks
Freely, whole the problem of rocking.
To achieve the above object, the utility model proposes oscillating mechanism include pedestal, transmission component, with the pedestal connect
The electric machine support connect and the driving motor on electric machine support, the first end of the transmission component connect with the driving motor
Connect, the second end of the transmission component is connected with the pedestal, the transmission component can drive the electric machine support compared with
The pedestal moves back and forth, and the pedestal is equipped with annular groove, and the electric machine support is equipped with and is mutually fitted with the annular groove
The annular muscle matched somebody with somebody, the annular muscle are placed in the annular groove.
Preferably, the center of the annular groove is equipped with vertical shaft, and the electric machine support is equipped with sleeve, the sleeve
Be sleeved on the vertical shaft and with the vertical shaft clearance fit.
Preferably, the vertical shaft is conical structure, the big end of the vertical shaft close to the annular groove, the vertical shaft
Small end is away from the annular groove.
Preferably, the pedestal is equipped with the limit chamber and passage of arc, and the passage is located at the top of limit chamber and phase
Intercommunicated, the limit chamber is arranged between the annular groove and the vertical shaft, and one end of the limit chamber is connected with disengaging
Hole, the electric machine support are equipped with connecting rod, and the one end of the connecting rod away from the electric machine support is equipped with buckle, the buckle
The manhole appendix can be entered and be transferred in the limit chamber, the roof limitation of the limit chamber is described to be buckled from the /V
Depart from chamber.
Preferably, the spacing of the roof of one end and the limit chamber of the buckle away from the vertical shaft is h, the buckle
Spacing close to one end of the vertical shaft and the roof of the limit chamber is H, and the h is less than the H.
Preferably, the both sides of the driving motor are opposite is equipped with installing plate, and the installing plate is equipped with screw hole and determines
Position hole, the electric machine support are equipped with the screw pole to match with the screw hole and the positioning to match with the location hole
Column, the driving motor are fixed with the electric machine support by being installed on the screw hole with the screw on the screw pole.
Preferably, the electric machine support is equipped with the limiting slot of arc, and the pedestal is equipped with mounting post, the mounting post
It is connected through the limiting slot with the second end of the transmission component.
Preferably, the transmission component includes crank and connecting rod, and the first end of the connecting rod passes through the crank and institute
Driving motor connection is stated, the second end of the connecting rod is connected with the mounting post.
Preferably, the driving motor is equipped with motor shaft, and the first end of the crank is equipped with and the motor axis connection
Axis hole, the second end of the crank is equipped with installation axle, and the first end of the connecting rod is equipped with and the installation of the installation axis connection
Hole.
In addition, the utility model also provides a kind of warm-air drier, the warm-air drier is equipped with oscillating mechanism as described above.
In technical solutions of the utility model, electric machine support is connected with pedestal and electric machine support is equipped with driving motor, transmission
The first end of component is connected with driving motor and second end is connected with pedestal, and transmission component can drive the electric machine support opposite
It is moved back and forth in pedestal, pedestal is equipped with annular groove, and electric machine support is equipped with the annular muscle being adapted with annular groove, annular
Muscle is placed in annular groove.The utility model makes the connection of pedestal and electric machine support by the cooperation of annular groove and annular muscle
It is more firm, so as to increase the rigidity of oscillating mechanism, ensure to shake the head smooth, avoid the occurrence of shaking phenomenon.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 be the utility model embodiment in oscillating mechanism decomposition texture schematic diagram；
Fig. 2 is the A portions enlarged drawing in Fig. 1；
Fig. 3 be the utility model embodiment in oscillating mechanism top view；
Fig. 4 is the B-B faces sectional view in Fig. 3；
Fig. 5 is the C portions enlarged drawing in Fig. 4；
Fig. 6 be the utility model embodiment in oscillating mechanism front view；
Fig. 7 be the utility model embodiment in electric machine support structure diagram；
Fig. 8 be the utility model embodiment in driving motor structure diagram.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Pedestal | 11 | Annular groove |
| 12 | Vertical shaft | 13 | Passage |
| 14 | Manhole appendix | 15 | Mounting post |
| 16 | Limit chamber | 2 | Electric machine support |
| 21 | Annular muscle | 22 | Sleeve |
| 23 | Connecting rod | 24 | Buckle |
| 25 | Screw pole | 26 | Positioning column |
| 27 | Limiting slot | 3 | Driving motor |
| 31 | Screw hole | 32 | Location hole |
| 33 | Motor shaft | 4 | Crank |
| 41 | Axis hole | 42 | Installation axle |
| 5 | Connecting rod | 51 | Mounting hole |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, it and cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose
It solves to indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in the description of the utility model
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected or integrally；It can be mechanical connection, also may be used
Be electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of oscillating mechanisms, it is intended to solve existing oscillating mechanism and shake the head have some setbacks, integrally rock
Problem.
Fig. 1, Fig. 2 and Fig. 7 are refer to, oscillating mechanism includes pedestal 1, transmission component (not indicating), the electricity being connected with pedestal 1
Machine support 2 and the driving motor 3 on electric machine support 2, the first end of transmission component are connected with driving motor 3, transmission group
The second end of part is connected with pedestal 1, and transmission component can drive electric machine support 2 to be moved back and forth compared with pedestal 1, is set on pedestal 1
There is annular groove 11, electric machine support 2 is equipped with the annular muscle 21 being adapted with annular groove 11, and annular muscle 21 is placed in annular groove
In 11.
When in use, annular groove 11 is relatively deep for the oscillating mechanism of the utility model, to place profit in annular groove 11
Lubricating oil ensures to shake the head smooth, and the plastic deformation degree of annular muscle 21 is small, and the cooperation of annular groove 11 and annular muscle 21 makes bottom
The connection of seat and electric machine support is more firm, so as to increase the rigidity of oscillating mechanism, avoids the occurrence of shaking phenomenon.
Further, Fig. 2 and Fig. 7 are refer to, the center of annular groove 11 is equipped with vertical shaft 12, is set on electric machine support 2
Have a sleeve 22, sleeve 22 be sleeved on vertical shaft 12 and with 12 clearance fit of vertical shaft.Sleeve 22 is sleeved on vertical shaft 12 and between vertical shaft 12
Gap coordinates, and can increase the soundness of oscillating mechanism, reduces complete machine and rocks.Wherein, vertical shaft 12 be conical structure, vertical shaft 12
Big end close to annular groove 11, the small end of vertical shaft 12 is away from annular groove 11, and equally, sleeve 22 is also conical structure, is made
The forced area bigger of 22 bottom of sleeve so as to further increase the rigidity of oscillating mechanism, reduces complete machine and rocks.
In addition, refer to Fig. 2, Fig. 4 and Fig. 5, pedestal 1 is equipped with the limit chamber 16 of arc and passage 13, and passage 13 is located at
The top of limit chamber 16 and be interconnected, limit chamber 16 is arranged between annular groove 11 and vertical shaft 12, one end of limit chamber 16
Manhole appendix 14 is connected with, electric machine support 2 is equipped with connecting rod 23, and the one end of connecting rod 23 away from electric machine support 2 is equipped with buckle 24,
Buckle 24 can enter manhole appendix 14 and be transferred in limit chamber 16, and the roof limitation buckle 24 of limit chamber 16 is from limit chamber 16
Depart from.
When installing electric machine support 2, buckle 24 is first put into manhole appendix 14 simultaneously electric rotating machine stent 2, then is buckled 24 turns
Enter in limit chamber 16, connecting rod 23 is transferred in passage 13, is then installed driving motor 3 with transmission component, is shaken after the completion of assembling
As shown in Figure 3 and Figure 6, the entire installation process of oscillating mechanism is convenient and efficient, improves efficiency of assembling for the structure of head mechanism.Driving
After motor 3 and transmission component install, it is capable of the movement locus of limiting motor stent 2, makes buckle 24 that can not move to manhole appendix
14 position.Buckle 24 is stuck in limit chamber 16, can prevent electric machine support 2 from coming off from pedestal 1, while the 24 pairs of motors that are buckled
Stent 2 has tensioning function, can prevent oscillating mechanism complete machine from rocking.
Wherein, Fig. 4 and Fig. 5 are refer to, the spacing of the roof of be buckled 24 one end away from vertical shaft 12 and limit chamber 16 is h,
Buckle 24 is H close to the spacing of one end of vertical shaft 12 and the roof of limit chamber 16, and h is less than H.It is moved back and forth in electric machine support 2
In the process, be buckled 24 separate vertical shaft 12 one end first contacted with the roof of limit chamber 16, be buckled 24 separate vertical shaft 12 one
It is constantly worn between end and 13 roofs of limit chamber 16, after abrasion reaches a certain level, buckle 24 is close to one end of vertical shaft 12
The roof with limit chamber 16 contacts again, and buckle 24 continues clamping pedestal 1 and tenses electric machine support 2, can further improve and shake the head
The quality of mechanism avoids the complete machine caused by 24 abrasion of buckle from rocking.
Further, Fig. 7 and Fig. 8 are refer to, the both sides of driving motor 3 are opposite to be equipped with installing plate, and installing plate is equipped with spiral shell
Nail hole 31 and location hole 32, electric machine support 2 be equipped with the screw pole 25 that matches with screw hole 31 and with 32 phase of location hole
Matched positioning column 26, driving motor 3 (are not marked with electric machine support 2 by being installed on screw hole 31 with the screw on screw pole 25
Show) it is fixed.When installing driving motor 3, first screw hole 31,32 alignment screw column 25 of location hole and positioning column 26 are installed, then
Screw is installed on screw hole 31 and screw pole 25.The both sides of driving motor 3 are opposite to be equipped with installing plate, make driving motor 3 with
Connection between electric machine support 2 is more firm；Screw pole 25 and positioning column 26 on electric machine support 2 are set, pass through screw pole 25
Cooperation with screw hole 31 is fixed, and is made the installation process of driving motor 3 and electric machine support 2 convenient and efficient, is accelerated efficiency of assembling,
It positions and fixes by the cooperation of positioning column 26 and location hole 32, it is possible to reduce the usage amount of screw, so as to reduce head-shaking machine
The number of parts of structure improves production efficiency.
In addition, refer to Fig. 2 and Fig. 7, electric machine support 2 is equipped with the limiting slot 27 of arc, and pedestal 1 is equipped with mounting post
15, mounting post 15 is connected through limiting slot 27 with the second end of transmission component.When oscillating mechanism is run, the driving of driving motor 3 passes
Dynamic component moves back and forth, and transmission component is acted in mounting post 15, and then pushing motor stent 2 is moved back and forth compared with pedestal 1.
Further, Fig. 1 and Fig. 8 are refer to, transmission component includes crank 4 and connecting rod 5, and the first end of connecting rod 5 passes through
Crank 4 is connected with driving motor 3, and the second end of connecting rod 5 is connected with mounting post 15.In one embodiment, set on driving motor 3
There is motor shaft 33, the first end of crank 4 is equipped with the axis hole 41 being connected with motor shaft 33, and the second end of crank is equipped with installation axle 42,
The first end of connecting rod 5 is equipped with the mounting hole 51 being connected with installation axle 42.Driving motor provides driving force, drives crank 4 and connecting rod 5
Mobile, the power on connecting rod 5 acts in mounting post 15 and electric machine support 2 is driven to be moved back and forth compared with pedestal 1, so as to fulfill shaking
Head action.
In addition, the utility model also provides a kind of warm-air drier (not shown), which is equipped with shaking as described above
Head mechanism.The cooperation of oscillating mechanism annular recess 11 and annular muscle 21 on warm-air drier, the cooperation of vertical shaft 12 and sleeve 22, card
Button 24 coordinates with limit chamber 16, entire oscillating mechanism is made to shake the head smooth, avoids the appearance of oscillating mechanism shaking phenomenon.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Conversion or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of oscillating mechanism, which is characterized in that the oscillating mechanism includes pedestal, transmission component, is connected with the pedestal
Electric machine support and the driving motor on electric machine support, the first end of the transmission component are connected with the driving motor,
The second end of the transmission component is connected with the pedestal, and the transmission component can drive the electric machine support compared with described
Pedestal moves back and forth, and the pedestal is equipped with annular groove, and the electric machine support is equipped with what is be adapted with the annular groove
Annular muscle, the annular muscle are placed in the annular groove.
2. oscillating mechanism according to claim 1, which is characterized in that the center of the annular groove is equipped with vertical shaft,
The electric machine support be equipped with sleeve, the sleeve be sleeved on the vertical shaft and with the vertical shaft clearance fit.
3. oscillating mechanism according to claim 2, which is characterized in that the vertical shaft is conical structure, the vertical shaft
Big end is close to the annular groove, and the small end of the vertical shaft is away from the annular groove.
4. oscillating mechanism according to claim 2, which is characterized in that the pedestal is equipped with the limit chamber of arc and leads to
Road, the passage are located at the top of limit chamber and are interconnected, and the limit chamber is arranged at the annular groove and the vertical shaft
Between, one end of the limit chamber is connected with manhole appendix, and the electric machine support is equipped with connecting rod, and the connecting rod is away from described
One end of electric machine support is equipped with buckle, and the buckle can enter the manhole appendix and be transferred in the limit chamber, the limit
The roof limitation buckle of position chamber departs from from the limit chamber.
5. oscillating mechanism according to claim 4, which is characterized in that it is described buckle away from the vertical shaft one end with it is described
The spacing of the roof of limit chamber is h, and the buckle is H close to the spacing of one end of the vertical shaft and the roof of the limit chamber,
The h is less than the H.
6. according to the oscillating mechanism any one of claim 1-5, which is characterized in that the both sides of the driving motor are opposite
Equipped with installing plate, the installing plate is equipped with screw hole and location hole, and the electric machine support is equipped with and the screw hole phase
Matched screw pole and the positioning column to match with the location hole, the driving motor pass through installation with the electric machine support
It is fixed in the screw hole and the screw on the screw pole.
7. according to the oscillating mechanism any one of claim 1-5, which is characterized in that the electric machine support is equipped with arc
Limiting slot, the pedestal is equipped with mounting post, and the mounting post is through the second end of the limiting slot and the transmission component
Connection.
8. oscillating mechanism according to claim 7, which is characterized in that the transmission component includes crank and connecting rod, institute
The first end for stating connecting rod is connected by the crank with the driving motor, and the second end of the connecting rod connects with the mounting post
It connects.
9. oscillating mechanism according to claim 8, which is characterized in that the driving motor is equipped with motor shaft, the song
The first end of handle is equipped with axis hole with the motor axis connection, and the second end of the crank is equipped with installation axle, and the of the connecting rod
One end is equipped with the mounting hole with the installation axis connection.
10. a kind of warm-air drier, which is characterized in that the warm-air drier is equipped with and shakes the head as claimed in any one of claims 1-9 wherein
Mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721445007.XU CN207420932U (en) | 2017-11-01 | 2017-11-01 | Oscillating mechanism and warm-air drier |
| PCT/CN2018/083844 WO2019085410A1 (en) | 2017-11-01 | 2018-04-20 | Oscillating mechanism and fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721445007.XU CN207420932U (en) | 2017-11-01 | 2017-11-01 | Oscillating mechanism and warm-air drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207420932U true CN207420932U (en) | 2018-05-29 |
Family
ID=62306868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721445007.XU Active CN207420932U (en) | 2017-11-01 | 2017-11-01 | Oscillating mechanism and warm-air drier |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207420932U (en) |
| WO (1) | WO2019085410A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441862A (en) * | 2018-12-26 | 2019-03-08 | 东莞市绿雅家用电器有限公司 | A kind of both cooling and heating building fan |
| WO2020042480A1 (en) * | 2018-08-29 | 2020-03-05 | 珠海格力电器股份有限公司 | Oscillation assembly and tower fan |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005002908A (en) * | 2003-06-12 | 2005-01-06 | Aruba Japan:Kk | Oscillating electric appliance |
| CN2687380Y (en) * | 2004-03-09 | 2005-03-23 | 广东美的集团股份有限公司 | Electric fan rocking mechanism |
| TWM387166U (en) * | 2010-03-30 | 2010-08-21 | Hong-Ji Jian | Suspension swing mechanism |
| CN102287386B (en) * | 2011-08-22 | 2013-04-17 | 美的集团股份有限公司 | Oscillating mechanism of tower-type fan |
| CN102538204B (en) * | 2012-02-14 | 2014-04-16 | 广东美的环境电器制造有限公司 | Oscillating mechanism for fan heater |
| CN203847418U (en) * | 2014-04-01 | 2014-09-24 | 广东金莱特电器股份有限公司 | Integrated head oscillating structure for fan heater |
| CN105180441B (en) * | 2014-12-22 | 2017-09-05 | 江苏美佳马达有限公司 | A kind of oscillating mechanism for fan heater |
| CN104456957A (en) * | 2014-12-29 | 2015-03-25 | 广东美的环境电器制造有限公司 | Oscillating mechanism of warm air blower and warm air blower |
-
2017
- 2017-11-01 CN CN201721445007.XU patent/CN207420932U/en active Active
-
2018
- 2018-04-20 WO PCT/CN2018/083844 patent/WO2019085410A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042480A1 (en) * | 2018-08-29 | 2020-03-05 | 珠海格力电器股份有限公司 | Oscillation assembly and tower fan |
| CN109441862A (en) * | 2018-12-26 | 2019-03-08 | 东莞市绿雅家用电器有限公司 | A kind of both cooling and heating building fan |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019085410A1 (en) | 2019-05-09 |
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