CN107725446B - Vertical fan with bidirectional oscillating head - Google Patents
Vertical fan with bidirectional oscillating head Download PDFInfo
- Publication number
- CN107725446B CN107725446B CN201711174767.6A CN201711174767A CN107725446B CN 107725446 B CN107725446 B CN 107725446B CN 201711174767 A CN201711174767 A CN 201711174767A CN 107725446 B CN107725446 B CN 107725446B
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- Prior art keywords
- fan
- shaking
- head
- support
- motor
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 5
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 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
- 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
- F04D25/105—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 by changing rotor axis direction, e.g. oscillating fans
-
- 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
Abstract
The invention discloses a vertical fan with a bidirectional shaking head, which comprises a base, a vertical support connected to the base and a fan head connected to the vertical support, wherein a left shaking head device and a right shaking head device are arranged at the upper end of the vertical support, an upper shaking head device and a lower shaking head device are connected to the rear end of the fan head, the upper shaking head device and the lower shaking head device comprise a shaking head support fixedly connected to the fan head and a fixed support fixedly connected to the left shaking head device and the right shaking head device, the shaking head support is hinged to the fixed support through a horizontal rotating shaft, a first motor is arranged in the middle of the fixed support, a pinion is arranged on the rotating shaft of the first motor, a shaking head gear meshed with the pinion is connected to the fixed support, an eccentric shaft is arranged on the shaking head gear, a connecting rod is hinged to the eccentric shaft, the other end of the connecting rod is eccentrically hinged to the shaking head support, and the number of teeth of the shaking head gear is at least 1.5 times that of the pinion.
Description
Technical Field
The invention relates to the technical field of electric fans, in particular to a vertical fan capable of swinging bidirectionally.
Background
The vertical fan is widely applied to home and office places. In hot summer, the floor fan can help people to relieve summer heat and cool down. Compared with a common small fan, the air blower has the advantages of large wind power, adjustable height and wider blowing coverage range; compared with the ceiling fan, the ceiling fan has the advantages of saving troublesome installation and convenient movement. The vertical fan generally comprises a base, a vertical support and a fan head, the existing vertical fan can swing left and right, a certain angle can be manually adjusted in the up-down direction, the blowing range is small in use, and the air circulation effect is poor. Naturally, a vertical fan capable of swinging bidirectionally also appears at present, but because the mechanism of swinging vertically and horizontally is arranged in the fan head, the whole structure of the fan head has large size and complex structure, and the problems of high cost, difficult maintenance and the like are caused.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the vertical fan with the bidirectional oscillating function, which has the advantages of small structure size, reliability and easiness in use.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a vertical fan of two-way shaking head, includes the base, connects vertical support on the base and connects the fan head on vertical support, the upper end of vertical support is provided with controls the device of shaking head, the rear end of fan head is connected with the device of shaking head from top to bottom, the device of shaking head from top to bottom including the rigid coupling in the support of shaking head of fan head and rigid coupling in control the fixed bolster of device of shaking head, the support of shaking head is articulated through horizontal pivot with the fixed bolster, the middle part of fixed bolster is provided with first motor, install the pinion in the pivot of first motor, be connected with on the fixed bolster with pinion engaged with shake first gear, be provided with the eccentric shaft on the gear of shaking head, the articulated connecting rod that has on the eccentric shaft, the other end eccentric hinge of connecting rod in the support of shaking head, the number of teeth of shaking first gear is 1.5 times at least the pinion.
As an improvement of the technical scheme, a U-shaped groove is formed in the middle of the fixed support, the first motor is arranged in the U-shaped groove, and the pinion and the oscillating gear are arranged on the outer wall of the fixed support.
As a further improvement of the technical scheme, the oscillating bracket is provided with two lug plates used for being connected with the fixed bracket, and the two lug plates are symmetrically arranged on two sides of the fixed bracket.
Further improvement, the right side be provided with manual device of shaking head on the journal stirrup board, manual device of shaking head including the rigid coupling in swivel mount and the fixing base of journal stirrup board, the fixing base is provided with annular cover, be provided with a plurality of draw-in grooves on the outer wall of annular cover, be connected with the movable fixture block that clamps in the draw-in groove on the swivel mount, the movable fixture block is connected with the spring in order to keep the clamp to go into the draw-in groove, the tip and the draw-in groove looks adaptation of movable fixture block and both set up to the arc, the connecting rod eccentric hinge is on the fixing base.
Further improved, the rotating seat is provided with a guide sleeve surrounding the annular sleeve, the inner wall of the guide sleeve is provided with a sliding groove, and the movable clamping block is installed in the sliding groove.
Further improved, the rotary seat is further provided with a guide rotary block, the guide rotary block is clamped into the inner hole of the annular sleeve, the guide rotary block is provided with a plurality of guide edges uniformly distributed in the circumferential direction, and the guide edges are abutted to the inner hole wall of the annular sleeve.
Further improved, the left side is provided with an anti-falling device on the lug plate, the anti-falling device comprises a right clamping plate fixedly connected with the fixing support, a left clamping plate fixedly connected with the lug plate and a torsion spring, the torsion spring is arranged between the right clamping plate and the left clamping plate, and two ends of the torsion spring are respectively fixed on the right clamping plate and the left clamping plate.
Further improved, the left-right shaking head device comprises a U-shaped bracket fixedly connected to the upper end of the vertical bracket, a second motor and a rotating bracket, wherein the upper end of the U-shaped bracket is connected with a horizontal mounting plate, the second motor is arranged on the mounting plate and is arranged in the U-shaped bracket, the rotating bracket is fixedly connected to a rotating shaft of the second motor, a ball bearing is arranged between the rotating bracket and the mounting plate, and the upper-lower shaking head device is fixedly connected to the upper end of the rotating bracket.
Further improved, a circular groove is formed in the rotary support, an elastic shrinkage piece fixedly connected to the second motor rotating shaft is arranged in the circular groove, a spherical cap head is arranged at the end of the elastic shrinkage piece, a plurality of semicircular grooves uniformly distributed in the circumferential direction are formed in the inner wall of the circular groove, and the spherical cap head is matched with the semicircular grooves for positioning.
Further improved, the fan head is including front shroud, back face guard, fan motor and flabellum, fan motor installs on the back face guard, the pivot at fan motor is installed to the flabellum, front shroud and back face guard amalgamation and surround the flabellum, the back face guard is connected with detachable filter screen panel.
The beneficial effects of the invention are as follows: the first motor drives the oscillating gear to rotate through the pinion, and the oscillating bracket and the fan head are driven to oscillate up and down through the crank connecting rod structure, so that the structure is simple, the assembly is simple, and the production cost is reduced; the number of teeth of the oscillating gear is at least 1.5 times of that of the pinion, so that on one hand, the rotating speed is reduced, on the other hand, the output torque is improved, a motor with smaller size can be used as a first motor, the overall structural size of the fan head is reduced, and the attractiveness of the vertical fan is improved.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic diagram of the structure of the up-and-down head shaking device of the invention;
fig. 4 and 5 are exploded views of the up-and-down head shaking device of the present invention;
fig. 6 is an exploded view of the left and right shaking device of the present invention.
Detailed Description
Referring to fig. 1 to 6, a vertical fan with bidirectional shaking head comprises a base 1, a vertical support 2 connected to the base 1, and a fan head 3 connected to the vertical support 2, wherein a left-right shaking head device 4 is arranged at the upper end of the vertical support 2, an up-down shaking head device 5 is connected at the rear end of the fan head 3, the up-down shaking head device 5 comprises a shaking head support 51 fixedly connected to the fan head 3 and a fixed support 52 fixedly connected to the left-right shaking head device 4, the shaking head support 51 is hinged to the fixed support 52 through a horizontal rotating shaft 512, a first motor 53 is arranged in the middle of the fixed support 52, a pinion 54 is arranged on the rotating shaft of the first motor 53, a shaking head gear 55 meshed with the pinion 54 is connected to the fixed support 52, an eccentric shaft 56 is arranged on the shaking head gear 55, the other end of the connecting rod 56 is eccentrically hinged to the shaking head support 51, and the number of teeth of the shaking head gear 55 is at least 1.5 times that of the pinion 54. In this embodiment, preferably, a U-shaped groove is provided in the middle of the fixed bracket 52, the first motor 53 is installed in the U-shaped groove, and the pinion 54 and the oscillating gear 55 are disposed on the outer wall of the fixed bracket 52. In this embodiment, preferably, the oscillating bracket 51 is provided with two lugs 511 for connecting with the fixing bracket 52, and the two lugs 511 are symmetrically disposed at both sides of the fixing bracket 52. In this embodiment, preferably, the left-right oscillating device 4 includes a U-shaped bracket 41 fixedly connected to the upper end of the vertical bracket 2, a second motor 42 and a rotating bracket 43, the upper end of the U-shaped bracket 41 is connected to a horizontal mounting plate, the second motor 42 is mounted on the mounting plate and disposed in the U-shaped bracket 41, the rotating bracket 43 is fixedly connected to a rotating shaft of the second motor 42, a ball bearing 44 is disposed between the rotating bracket 43 and the mounting plate to reduce rotation resistance, and the up-down oscillating device 5 is fixedly connected to the upper end of the rotating bracket 43. With the structure, when the vertical fan is started, the second motor 42 of the left-right shaking device 4 drives the rotary bracket 43 to rotate left and right, and the rotary bracket 43 drives the up-down shaking device 5 and the fan head 3 to rotate left and right so as to realize left and right shaking; an eccentric shaft is arranged on a shaking gear 55 of the up-and-down shaking device 5, a connecting rod 56 is hinged on the eccentric shaft, the other end of the connecting rod 56 is eccentrically hinged on a shaking bracket 51 so as to form a crank connecting rod structure, a first motor 53 drives the shaking gear to rotate 55 through a pinion 54, and the shaking bracket 51 and a fan head 3 are pushed by the crank connecting rod structure to realize up-and-down shaking; the first motor 53 and the second motor 42 adopt stepping motors, and the second motor 42 can be controlled to adopt a three-gear head shaking mode through an electric control system, wherein the three-gear head shaking modes are 30 degrees, 45 degrees and 90 degrees respectively, so that various requirements of users are met. The first motor 53 is installed in the U-shaped groove of the fixed support 52, the number of teeth of the oscillating gear 55 is more than 2 times that of the pinion 54, so that on one hand, the rotating speed is reduced, on the other hand, the output torque is improved, a motor with smaller size can be adopted as the first motor 53, the overall structural size of the fan head 3 is reduced, the aesthetic property of the vertical fan is improved, the structure of the fan head 3 is simplified, the assembly difficulty is reduced, and the production cost and the maintenance cost are reduced.
For convenience, in this embodiment, it is preferable that a manual head shaking device is disposed on the right side of the lug plate 511, and when the vertical fan automatically shakes up and down, the angle of the fan head 3 can be adjusted immediately by using the manual head shaking device. The manual head shaking device comprises a rotating seat 61 fixedly connected to the lug plate 511 and a fixed seat 62, the fixed seat 62 is provided with an annular sleeve 621, a plurality of clamping grooves are formed in the outer wall of the annular sleeve 621, a movable clamping block 611 clamped into the clamping grooves is connected to the rotating seat 61, a spring 612 is connected to the movable clamping block 611 to keep clamped into the clamping grooves, the end portion of the movable clamping block 611 is matched with the clamping grooves, the end portion of the movable clamping block 611 is arc-shaped, and the end portion of the connecting rod 56 is eccentrically hinged to the fixed seat 62. In this embodiment, preferably, the rotating seat 61 is provided with a guide sleeve 613 surrounding the annular sleeve 621, a sliding groove is provided on an inner wall of the guide sleeve 613, and the movable clamping block 611 is mounted in the sliding groove. In this embodiment, preferably, the rotating seat 61 is further provided with a guiding rotating block 614, the guiding rotating block 614 is clamped into the inner hole of the annular sleeve 621, the guiding rotating block 614 is provided with a plurality of guiding ribs uniformly distributed circumferentially, and the guiding ribs are abutted with the inner hole wall of the annular sleeve 621. In a normal head shaking state, the fixing seat 62 is driven to rotate by the connecting rod 56, the rotating seat 61 and the head shaking support 51 are driven to shake up and down by the matched clamping power of the movable clamping block 611 and the clamping groove, when the angle of the fan head 3 needs to be adjusted in real time, a user can push the fan head 3 by hand, the end part of the movable clamping block 611 is matched with the clamping groove, the two clamping blocks are arc-shaped, the movable clamping block 611 compresses the spring 612 to separate from the clamping groove under the action of external force, and the rotating seat 61, the head shaking support 51 and the fan head 3 can rotate to realize real-time adjustment; in addition, when the fan head 3 can not rotate due to the obstacle when the motor automatically swings up and down, the movable clamping block 611 compresses the spring 612 to be separated from the clamping groove under the action of external force, and the first motor 53 operates normally without burning out, so that the use reliability is improved.
Similarly, the left-right shaking head device 4 is also provided with a manual adjustment structure, in this embodiment, preferably, a circular groove is provided in the rotating bracket 43, an elastic contraction member 45 fixedly connected to the rotating shaft of the second motor 42 is provided in the circular groove, a spherical cap head is provided at an end of the elastic contraction member 45, a plurality of semicircular grooves uniformly distributed in the circumferential direction are provided on an inner wall of the circular groove, and the spherical cap head is positioned in cooperation with the semicircular grooves. When the fan head is required to be manually adjusted, a user directly pushes the fan head 3 by hand, and under the action of external force, the spherical cap head compresses the elastic contraction piece 45 (a spring can be adopted) to separate from the semicircular groove, so that the fan head 3 can be instantly rotated to realize the adjustment of left and right angles; similarly, when the left and right automatic shaking head is carried out, the fan head 3 can not rotate due to the obstacle, the spherical cap head compresses the elastic shrinkage piece 45 to separate from the semicircular groove under the action of external force, and the second motor 42 operates normally without burning out, so that the use reliability is improved.
In this embodiment, preferably, the left lug plate 511 is provided with an anti-falling device, and the anti-falling device includes a right clamping plate 71 fixedly connected to the fixing bracket 52, a left clamping plate 72 fixedly connected to the lug plate 511, and a torsion spring 73, where the torsion spring 73 is disposed between the right clamping plate 71 and the left clamping plate 72, and two ends of the torsion spring 73 are respectively fixed on the right clamping plate 71 and the left clamping plate 72. Since the weight of the fan head 3 is not small, the torsion spring 73 is used to bear part of the weight of the fan head 3, so that the manual head shaking device is prevented from being touched due to the gravity of the fan head 3.
In this embodiment, preferably, the fan head 3 includes a front cover 31, a rear cover 32, a fan motor 33 and fan blades 34, the fan motor 33 is mounted on the rear cover 32, the fan blades 34 are mounted on a rotating shaft of the fan motor 33, the front cover 31 and the rear cover 32 are combined and surround the fan blades 34, and the rear cover 32 is connected with a detachable filter screen. The dust in the air can be filtered by adding the filter screen, so that the air-blowing device is suitable for occasions with large part of dust, and the air-blowing comfort of a user is improved.
The present invention is not limited to the above embodiments, but can be implemented by any similar or identical means.
Claims (8)
1. The utility model provides a vertical fan of two-way shaking head, includes base (1), connects vertical support (2) on base (1) and connects fan head (3) on vertical support (2), its characterized in that: the upper end of the vertical support (2) is provided with a left and right shaking device (4), the rear end of the fan head (3) is connected with an up and down shaking device (5), the up and down shaking device (5) comprises a shaking support (51) fixedly connected with the fan head (3) and a fixed support (52) fixedly connected with the left and right shaking device (4), the shaking support (51) is hinged with the fixed support (52) through a horizontal rotating shaft (512), the middle part of the fixed support (52) is provided with a first motor (53), a pinion (54) is arranged on the rotating shaft of the first motor (53), a shaking gear (55) meshed with the pinion (54) is connected to the fixed support (52), an eccentric shaft is arranged on the shaking gear (55), a connecting rod (56) is hinged on the eccentric shaft, the other end of the connecting rod (56) is eccentrically hinged with the shaking support (51), the shaking gear (55) is at least 1.5 times as that of the pinion (54), two lugs (511) are arranged on the two lugs (511) of the fixed support, two lugs (511) are arranged on the fixed support, two lugs (511) are fixed on the two lugs (511), the manual head shaking device comprises a rotating seat (61) fixedly connected to a supporting lug plate (511) and a fixed seat (62), wherein an annular sleeve (621) is arranged on the fixed seat (62), a plurality of clamping grooves are formed in the outer wall of the annular sleeve (621), a movable clamping block (611) clamped into the clamping grooves is connected to the rotating seat (61), a spring (612) is connected to the movable clamping block (611) so as to be clamped into the clamping grooves, the end part of the movable clamping block (611) is matched with the clamping grooves, the end part of the movable clamping block is arc-shaped, and the end part of the movable clamping block is eccentrically hinged to the fixed seat (62).
2. The bi-directional oscillating vertical fan of claim 1, wherein: the middle part of the fixed support (52) is provided with a U-shaped groove, the first motor (53) is installed in the U-shaped groove, and the pinion (54) and the oscillating gear (55) are arranged on the outer wall of the fixed support (52).
3. The bi-directional oscillating vertical fan of claim 1, wherein: the rotary seat (61) is provided with a guide sleeve (613) surrounding the annular sleeve (621), a sliding groove is formed in the inner wall of the guide sleeve (613), and the movable clamping block (611) is installed in the sliding groove.
4. A bi-directional oscillating vertical fan as defined in claim 3 wherein: the rotary seat (61) is further provided with a guide rotary block (614), the guide rotary block (614) is clamped into the inner hole of the annular sleeve (621), the guide rotary block (614) is provided with a plurality of guide edges uniformly distributed in the circumferential direction, and the guide edges are abutted to the inner hole wall of the annular sleeve (621).
5. The bi-directional oscillating vertical fan of claim 1, wherein: the left side be provided with anti-drop device on buttress plate (511), anti-drop device including rigid coupling in right splint (71) of fixed bolster (52), rigid coupling in left splint (72) and torsional spring (73) of buttress plate (511), torsional spring (73) are arranged between right splint (71) and left splint (72), the both ends of torsional spring (73) are fixed respectively on right splint (71) and left splint (72).
6. The bi-directional oscillating vertical fan of claim 1, wherein: the device for shaking the head from side to side (4) including the rigid coupling in U type support (41), second motor (42) and runing rest (43) of vertical support (2) upper end, the upper end of U type support (41) is connected with horizontal mounting panel, second motor (42) are installed on the mounting panel and are arranged in the inside of U type support (41), runing rest (43) rigid coupling in the pivot of second motor (42), be provided with ball bearing (44) between runing rest (43) and the mounting panel, device for shaking the head from top to bottom (5) rigid coupling in the upper end of runing rest (43).
7. The bi-directional oscillating vertical fan of claim 6, wherein: the rotary support (43) is internally provided with a circular groove, an elastic shrinkage piece (45) fixedly connected to the rotating shaft of the second motor (42) is arranged in the circular groove, the end of the elastic shrinkage piece (45) is provided with a spherical cap head, the inner wall of the circular groove is provided with a plurality of semicircular grooves uniformly distributed in the circumferential direction, and the spherical cap head is matched with the semicircular grooves for positioning.
8. The bi-directional oscillating vertical fan of claim 1, wherein: the fan head (3) comprises a front mask (31), a rear mask (32), a fan motor and fan blades, wherein the fan motor is arranged on the rear mask (32), the fan blades are arranged on a rotating shaft of the fan motor, the front mask (31) and the rear mask (32) are spliced and surround the fan blades, and the rear mask (32) is connected with a detachable filter screen cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174767.6A CN107725446B (en) | 2017-11-22 | 2017-11-22 | Vertical fan with bidirectional oscillating head |
| PCT/CN2018/073412 WO2019100578A1 (en) | 2017-11-22 | 2018-01-19 | Stand fan capable of shaking head in two directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174767.6A CN107725446B (en) | 2017-11-22 | 2017-11-22 | Vertical fan with bidirectional oscillating head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107725446A CN107725446A (en) | 2018-02-23 |
| CN107725446B true CN107725446B (en) | 2024-02-13 |
Family
ID=61218072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174767.6A Active CN107725446B (en) | 2017-11-22 | 2017-11-22 | Vertical fan with bidirectional oscillating head |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107725446B (en) |
| WO (1) | WO2019100578A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361212B (en) * | 2018-03-05 | 2023-12-01 | 广东美的环境电器制造有限公司 | Fan head assembly and fan |
| JP7035215B2 (en) * | 2018-05-14 | 2022-03-14 | 広東美的環境電器制造有限公司 | Drive mechanism, head mechanism and electric fan |
| EP4043735A4 (en) * | 2020-04-02 | 2023-01-11 | GD Midea Environment Appliances MFG Co., Ltd. | Rotation driving mechanism of air supply apparatus, air supply apparatus, and household appliance |
| CN115059630B (en) * | 2022-07-26 | 2022-11-15 | 广东善思科技有限公司 | Fan with angle modulation stabilizing function |
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| JPS6081496A (en) * | 1983-10-11 | 1985-05-09 | Sanyo Electric Co Ltd | Fan |
| CN2632353Y (en) * | 2003-06-06 | 2004-08-11 | 勋风电器制品（东莞）有限公司 | Oscillator of multi-direction electric fan |
| CN204553288U (en) * | 2015-04-10 | 2015-08-12 | 浙江久友电器科技有限公司 | The multiple head oscillating structure of fan |
| CN205805974U (en) * | 2016-05-26 | 2016-12-14 | 艾美特电器（深圳）有限公司 | A kind of automatic oscillating mechanism up and down |
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- 2017-11-22 CN CN201711174767.6A patent/CN107725446B/en active Active
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- 2018-01-19 WO PCT/CN2018/073412 patent/WO2019100578A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687380Y (en) * | 2004-03-09 | 2005-03-23 | 广东美的集团股份有限公司 | Electric fan rocking mechanism |
| CN203441797U (en) * | 2013-09-05 | 2014-02-19 | 陈宗林 | Fan oscillating device |
| CN104533815A (en) * | 2014-12-23 | 2015-04-22 | 江门市西点电器科技有限公司 | Vertical type circulation fan |
| JP5836530B1 (en) * | 2015-06-08 | 2015-12-24 | 株式会社Ｃｍｃ | Fan |
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| CN205977732U (en) * | 2016-05-16 | 2017-02-22 | 广东金莱特电器股份有限公司 | Take filterable novel electric fan of floating dust |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019100578A1 (en) | 2019-05-31 |
| CN107725446A (en) | 2018-02-23 |
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