CN220037006U - Up-down oscillating mechanism for electric fan and electric fan - Google Patents
Up-down oscillating mechanism for electric fan and electric fan Download PDFInfo
- Publication number
- CN220037006U CN220037006U CN202320984828.XU CN202320984828U CN220037006U CN 220037006 U CN220037006 U CN 220037006U CN 202320984828 U CN202320984828 U CN 202320984828U CN 220037006 U CN220037006 U CN 220037006U
- Authority
- CN
- China
- Prior art keywords
- fan
- gear
- transmission
- shell
- supporting rod
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- 230000007704 transition Effects 0.000 claims abstract description 30
- 238000004091 panning Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an up-down head shaking mechanism for an electric fan, which comprises a fixed gear, a transmission gear, a transition gear and a first driving device, wherein the fixed gear is fixed on a fan supporting rod; the transmission gear is rotationally connected to the shell of the fan host; the transition gear is rotationally connected to the shell of the fan host and is positioned between the fixed gear and the transmission gear, and the transition gear is respectively meshed with the fixed gear and the transmission gear for transmission; the first driving device is arranged in the shell of the fan host and is in transmission connection with the transmission gear; when the first driving device drives the transmission gear to rotate, the transition gear can be driven to rotate, and the fan host is driven to rotate relative to the fan supporting rod through meshing transmission between the transition gear and the fixed gear, so that up-and-down shaking is realized. Therefore, the transition gear is arranged, so that the volume of the transmission gear can be reduced, interference with other parts in the fan is prevented, and the space utilization rate is improved.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to an up-and-down oscillating mechanism for an electric fan and the electric fan.
Background
The electric fan is a household appliance which uses a motor to drive the blades to rotate so as to accelerate the circulation of air, is mainly used for cooling and relieving summer heat and circulating air, and is widely used in places such as families, classrooms, offices, shops and the like.
Currently, in order to increase the blowing direction, most manufacturers install an up-down oscillating mechanism on the electric fan to realize up-down rotation of the fan head. Most of the existing up-down oscillating mechanisms are gear transmission mechanisms, which generally comprise fixed gears and transmission gears which are meshed with each other, wherein the fixed gears are used for being fixed on a fan supporting rod, the transmission gears are used for being fixed on a fan host, and when the transmission gears are driven to rotate around the fixed gears, the rotation of the fan host relative to the fan supporting rod can be realized, so that up-down oscillating is realized.
However, since the rear part of the fan blade is provided with the main motor for driving the fan blade to rotate, the main motor occupies part of the installation space in the main housing of the fan, and in order to avoid interference, the oscillating motor for driving the transmission gear to rotate is required to be arranged in an offset manner, after the oscillating motor is arranged in an offset manner, in order to ensure the meshing between the transmission gear and the fixed gear, the volume of the transmission gear is required to be large, and once the volume of the transmission gear is large, interference with other parts in the fan is easy to occur. In addition, in order to prevent the transmission gear from being stuck with dust and affecting the transmission efficiency, a cover plate is generally arranged on the outer side of the transmission gear to realize ash blocking, and when the volume of the transmission gear is increased, the volume of the cover plate and a rear cover accommodating the cover plate is correspondingly increased, and the rear cover after the volume is increased is easy to interfere with fan blades, so that the operation is troublesome.
Therefore, how to realize the up-and-down oscillating of the electric fan and avoid the interference between the parts in the fan is a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides an up-and-down oscillating mechanism for an electric fan and the electric fan, wherein a transition gear is arranged between a transmission gear and a fixed gear, so that the volume of the transmission gear can be reduced, and interference between the transmission gear and other parts in the fan is prevented; meanwhile, the first driving device for driving the transmission gear to rotate can also deviate from the main motor, so that interference between the first driving device and the main motor is avoided, and the utilization rate of the installation space is improved.
The utility model adopts the technical proposal for solving the problems that:
an up-down head shaking mechanism for an electric fan, comprising:
a fixed gear for being fixed on the fan support bar;
the transmission gear is used for being rotationally connected to the shell of the fan host;
the transition gear is used for being rotatably connected to the shell of the fan host and positioned between the fixed gear and the transmission gear, and the transition gear is meshed with and transmitted with the fixed gear and the transmission gear respectively;
the first driving device is arranged in the shell of the fan host and is in transmission connection with the transmission gear;
when the first driving device drives the transmission gear to rotate, the transition gear can be further driven to rotate, and the fan host is driven to rotate relative to the fan supporting rod through meshing transmission between the transition gear and the fixed gear so as to realize up-and-down shaking.
Further, the fan comprises a gear mounting plate which is used for being fixed on a shell of the fan main machine, and the transmission gear and the transition gear are both rotatably mounted on the gear mounting plate;
the output end of the first driving device sequentially penetrates through the shell of the fan host machine and the gear mounting plate and is in transmission connection with the transmission gear.
Further, the device also comprises a cover plate which is covered on the gear mounting plate and covers the transmission gear and the transition gear.
Further, the device further comprises a connecting rod, one end of the connecting rod is rotatably connected to the transmission gear, and the other end of the connecting rod is rotatably connected to the fixed gear.
In addition, the utility model also provides an electric fan, which comprises a fan host, a fan base, a fan supporting rod and the up-down oscillating mechanism, wherein:
the fan host comprises a shell, and the shell is rotationally connected to the upper part of the fan supporting rod;
the lower part of the fan supporting rod is inserted on the fan base;
the fixed gear is sleeved on the fan supporting rod and is positioned at the joint of the shell and the fan supporting rod.
Further, the fan host also comprises a second driving device arranged in the shell and fan blades arranged outside the shell, and the output end of the second driving device penetrates out of the shell and is in transmission connection with the fan blades.
Further, the fan comprises a front cover and a rear cover, wherein the front cover is connected with the rear cover, a spherical cavity is formed inside the front cover and the rear cover, and the fan host is arranged in the spherical cavity;
the upper part of the fan supporting rod stretches into the spherical cavity and is rotationally connected with the shell.
Further, a groove for the lower part of the fan supporting rod to be inserted is formed in the fan base, an elastic buckle is arranged in the groove, and a clamping hole which is clamped with the elastic buckle is formed in the lower part of the fan supporting rod.
In summary, according to the up-and-down oscillating mechanism for the electric fan and the electric fan, the transition gear is arranged between the transmission gear and the fixed gear, so that the volume of the transmission gear can be reduced, and interference between the transmission gear and other parts in the fan can be prevented; meanwhile, the first driving device for driving the transmission gear to rotate can also be arranged away from the second driving device, so that interference between the first driving device and the second driving device is avoided, and the utilization rate of the installation space is improved.
Drawings
Fig. 1 is a schematic structural view of an electric fan according to the present utility model.
FIG. 2 is an exploded view of the electric fan of the present utility model;
FIG. 3 is an exploded view of the fan of the present utility model with the cover plate hidden;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic diagram showing the internal structure of a fan main unit in the electric fan according to the present utility model;
FIG. 6 is a schematic view of a fan base of the electric fan according to the present utility model;
fig. 7 is a schematic diagram illustrating an internal structure of an electric fan according to another embodiment of the utility model.
Wherein the reference numerals have the following meanings:
1. a fan base; 11. a groove; 111. an elastic buckle; 2. a fan cover; 21. a front cover; 22. a rear cover; 31. a housing; 32. fan blades; 33. a second driving device; 4. a fan support bar; 41. a clamping hole; 5. a cover plate; 61. a transmission gear; 62. a transition gear; 63. a fixed gear; 64. a gear mounting plate; 65. a first driving device; 66. and (5) connecting a rod.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1-7, the present utility model provides an electric fan, which comprises a fan main unit, a fan base 1, and a fan support bar 4, wherein an upper portion of the fan support bar 4 is connected with the fan main unit, and a lower portion of the fan support bar 4 is connected with the fan base 1. Specifically, the fan main unit includes a housing 31, a cutting sleeve (not shown in the figure) is penetrated at a side portion of the housing 31, and an upper portion of the fan support rod 4 is sleeved on the cutting sleeve, so that the fan main unit is rotatably connected with the fan support rod 4; the fan base 1 is provided with a groove 11, and an elastic buckle 111 is arranged in the groove 11; the lower part of the fan support bar 4 is provided with a clamping hole 41, and when the lower part of the fan support bar 4 is inserted into the groove 11 until the elastic buckle 111 is clamped with the clamping hole 41, the fan base 1 and the fan support bar 4 can be fixedly connected.
In the present embodiment, two fan support rods 4 are provided, which are respectively located on the left and right sides of the housing 31.
Referring to fig. 2-4, in order to realize the up-and-down oscillating function of the electric fan, the electric fan further comprises an up-and-down oscillating mechanism. Specifically, the up-down oscillating mechanism includes a gear mounting plate 64, a fixed gear 63, a transition gear 62, a transmission gear 61 and a first driving device 65, where the fixed gear 63 is fixedly sleeved on the upper part of the fan support rod 4 and is located at the connection part of the housing 31 and the fan support rod 4; the gear mounting plate 64 is fixed on the side wall of the shell 31, the transmission gear 61 and the transition gear 62 are rotatably mounted on the gear mounting plate 64, the transition gear 62 is positioned between the fixed gear 63 and the transmission gear 61, and the transition gear 62 is meshed with the fixed gear 63 and the transmission gear 61 respectively for transmission; the first driving device 65 is disposed in the housing 31 of the fan main unit and is in driving connection with the transmission gear 61.
Therefore, when the first driving device 65 drives the transmission gear 61 to rotate, the transition gear 62 can be further driven to rotate, and the fan host is driven to rotate relative to the fan supporting rod 4 through the engagement between the transition gear 62 and the fixed gear 63 so as to realize up-and-down head shaking.
In this embodiment, the first driving device 65 is a motor, an output shaft of the motor passes through the housing 31, and the transmission gear 61 is sleeved on the output shaft to realize transmission connection.
In addition, in order to prevent the transmission gear 61 and the transition gear 62 from being stuck with dust to affect the transmission efficiency, the electric fan further comprises a cover plate 5 which is arranged on the gear mounting plate 64 and covers the transmission gear 61 and the transition gear 62, and the cover plate 5 can play a role of ash blocking.
Referring to fig. 5, the fan main unit further includes a second driving device 33 disposed in the housing 31 and fan blades 32 disposed outside the housing 31. Preferably, the second driving device 33 is also a motor, an output shaft of the motor penetrates through the housing 31, and the fan blade 32 is sleeved on the output shaft to realize transmission connection.
Referring to fig. 1-3, the electric fan further includes a fan housing 2, the fan housing 2 includes a front housing 21 and a rear housing 22, the front housing 21 and the rear housing 22 are connected to each other and form a spherical cavity therein, and the fan main unit is accommodated in the spherical cavity; the upper part of the fan support bar 4 extends into the spherical cavity and is connected to the housing 31.
In this embodiment, the rear cover 22 is provided with a plurality of circular arc grooves for avoiding the air fan support bar 4.
Referring to fig. 7, in addition, in order to improve the rotational stability of the driving gear 61, the electric fan further includes a connection rod 66, one end of the connection rod 66 is rotatably connected to the driving gear 61, and the other end of the connection rod 66 is rotatably connected to the fixed gear 63. Therefore, when the first driving device 65 drives the transmission gear 61 to rotate, one end of the connecting rod 66 connected with the transmission gear 61 also rotates, so that the stability of the transmission gear 61 in rotation is improved, and the movement track of the transmission gear 61 is ensured.
In summary, according to the vertical oscillating mechanism for an electric fan and the electric fan of the present utility model, the transition gear 62 is disposed between the transmission gear 61 and the fixed gear 63, so that the volume of the transmission gear 61 can be reduced, and interference with other parts in the fan can be prevented; at the same time, the first driving device 65 for driving the transmission gear 61 to rotate may be disposed offset from the second driving device 33, thereby avoiding interference between the first driving device 65 and the second driving device 33 and improving the installation space utilization rate.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. An upper and lower head shaking mechanism for an electric fan is characterized by comprising:
a fixed gear for being fixed on the fan support bar;
the transmission gear is used for being rotationally connected to the shell of the fan host;
the transition gear is used for being rotatably connected to the shell of the fan host and positioned between the fixed gear and the transmission gear, and the transition gear is meshed with and transmitted with the fixed gear and the transmission gear respectively;
the first driving device is arranged in the shell of the fan host and is in transmission connection with the transmission gear;
when the first driving device drives the transmission gear to rotate, the transition gear can be further driven to rotate, and the fan host is driven to rotate relative to the fan supporting rod through meshing transmission between the transition gear and the fixed gear so as to realize up-and-down shaking.
2. The up-down panning mechanism of claim 1 further comprising a gear mounting plate for securing to a housing of a fan main unit, wherein the drive gear and the transition gear are both rotatably mounted on the gear mounting plate;
the output end of the first driving device sequentially penetrates through the shell of the fan host machine and the gear mounting plate and is in transmission connection with the transmission gear.
3. The up-and-down head shaking mechanism according to claim 2, further comprising a cover plate which covers the gear mounting plate and covers the transmission gear and the transition gear.
4. A head up and down panning mechanism according to any one of claims 1-3 further comprising a connecting rod, one end of which is rotatably connected to the transmission gear, the other end of which is rotatably connected to the fixed gear.
5. An electric fan comprising a fan main unit, a fan base, a fan support bar, and an up-and-down oscillating mechanism according to any one of claims 1-4, wherein:
the fan host comprises a shell, and the shell is rotationally connected to the upper part of the fan supporting rod;
the lower part of the fan supporting rod is inserted on the fan base;
the fixed gear is sleeved on the fan supporting rod and is positioned at the joint of the shell and the fan supporting rod.
6. The electric fan of claim 5, wherein the fan main unit further comprises a second driving device disposed in the housing and fan blades disposed outside the housing, and an output end of the second driving device penetrates through the housing and is in transmission connection with the fan blades.
7. The electric fan of claim 6, further comprising a fan housing comprising a front housing and a rear housing, the front housing and the rear housing being interconnected and forming a spherical cavity therein, the fan host being disposed within the spherical cavity;
the upper part of the fan supporting rod stretches into the spherical cavity and is rotationally connected with the shell.
8. The electric fan as claimed in claim 5, wherein the fan base is provided with a groove into which the lower portion of the fan supporting rod is inserted, an elastic buckle is provided in the groove, and a clamping hole is provided at the lower portion of the fan supporting rod to be clamped with the elastic buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984828.XU CN220037006U (en) | 2023-04-26 | 2023-04-26 | Up-down oscillating mechanism for electric fan and electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984828.XU CN220037006U (en) | 2023-04-26 | 2023-04-26 | Up-down oscillating mechanism for electric fan and electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037006U true CN220037006U (en) | 2023-11-17 |
Family
ID=88721265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320984828.XU Active CN220037006U (en) | 2023-04-26 | 2023-04-26 | Up-down oscillating mechanism for electric fan and electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037006U (en) |
-
2023
- 2023-04-26 CN CN202320984828.XU patent/CN220037006U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220037006U (en) | Up-down oscillating mechanism for electric fan and electric fan | |
| CN212344194U (en) | Installation box with heat dissipation and refrigeration functions | |
| CN217336288U (en) | UPS heat abstractor | |
| CN215170968U (en) | Floor fan and head shaking mechanism thereof | |
| CN215672824U (en) | Shaftless fan | |
| CN213540792U (en) | Stable automatic oscillating mechanism for fan | |
| CN202209758U (en) | Air conditioner and driving device of air blowing panel | |
| CN214101119U (en) | Intelligent 5G teleoperation equipment transmission assembly | |
| CN211727761U (en) | Car as a house solitary shape board cutting frock | |
| CN219432097U (en) | Swing mechanism applied to fan | |
| CN207406510U (en) | Fan | |
| CN219980848U (en) | Router | |
| CN214617171U (en) | Rotating device of electric fan | |
| CN212004186U (en) | Speed reducer with stable transmission | |
| CN211343505U (en) | Circulating fan | |
| CN218183168U (en) | Miniature servo system | |
| CN216589230U (en) | Head shaking device and household appliance | |
| CN214928910U (en) | Electric automobile actuating system mounting structure | |
| CN216481543U (en) | Swing blade driving structure and air conditioner | |
| CN220605673U (en) | Hoisting motor driving mechanism and ice maker thereof | |
| CN221003220U (en) | Fan lamp | |
| CN220015543U (en) | Circulating fan with up-down oscillating | |
| CN217107509U (en) | Household electric fan with dustproof function | |
| CN220187072U (en) | Air deflector driving assembly and air conditioner | |
| CN217406432U (en) | Soft start cabinet with high heat dissipation effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |