CN211715376U - Small-sized omnibearing oscillating fan - Google Patents
Small-sized omnibearing oscillating fan Download PDFInfo
- Publication number
- CN211715376U CN211715376U CN202020078344.5U CN202020078344U CN211715376U CN 211715376 U CN211715376 U CN 211715376U CN 202020078344 U CN202020078344 U CN 202020078344U CN 211715376 U CN211715376 U CN 211715376U
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- Prior art keywords
- fan
- damping
- rotating assembly
- small
- base
- 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.)
- Expired - Fee Related
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- 238000013016 damping Methods 0.000 claims abstract description 69
- 230000009467 reduction Effects 0.000 claims abstract description 19
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 9
- 239000010931 gold Substances 0.000 abstract description 9
- 229910052737 gold Inorganic materials 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a small-size all-round fan of shaking head, includes fan unit spare, fan support, fan base and rotating assembly, fan unit spare establishes on the fan support, fan support establishes on the fan base, rotating assembly sets up fan base with between the fan support, rotating assembly includes rotating electrical machines, reduction gear and damping structure, the gear train in the rotating electrical machines drive reduction gear is rotatory, and the output shaft of gear train passes through the damping structure and drives the fan support rotation. The utility model discloses owing to adopted the damping structure in rotating assembly, even rotating assembly receives exogenic action, at this moment, can produce sliding friction between five gold sheets of damping screw and damping, it can not damage rotating assembly yet, more can not damage the gear of gear train to and burn out the rotating electrical machines, reached the rotating assembly's of fan protection purpose.
Description
Technical Field
The utility model relates to a desk-top or blade-rotating electric fan, especially a small-size all-round fan of shaking head.
Background
The fan is a tool for cooling by generating wind in hot days. The electric fan is a device for generating airflow by driving fan blades by electricity. The existing electric fan mainly comprises a fan head, fan blades, a mesh enclosure, a control device and other components. The fan head comprises a motor, front and rear end covers, a head-shaking air supply mechanism and the like. The working principle is as follows: the electrified coil is stressed in a magnetic field to rotate, the fan blades cut air to generate flowing gas, and the flowing gas is used for cooling.
The electric fan can be divided into various types according to the structure, wherein part of the table type fan and the blade-rotating fan only have the function of manual rotation up and down, but do not have the effect of all-directional swing. In order to solve the problem, chinese patent document CN208153363U discloses a novel oscillating fan, which comprises a fan assembly, a fan bracket, a fan base, a power supply assembly, a PCB assembly, and a control assembly, wherein the fan assembly is installed on the fan bracket, the fan bracket is inserted into the fan base, the PCB assembly, the power supply assembly, and the control assembly are disposed inside the fan base, the control assembly is exposed from the fan base and is matched with the PCB assembly, the oscillating fan further comprises a rotating assembly, the rotating assembly is disposed between the fan base and the fan bracket and is fixed on the fan base, an annular groove is disposed at the lower part of the fan bracket, and a rotating fitting is disposed below the annular groove, so that a user can freely rotate the fan.
However, the novel oscillating fan has the problems that the structure is complex, and the rotating assembly is easily damaged when the oscillating fan is rotated manually.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the utility model provides a small-sized all-round oscillating fan which has simple structure and is not easy to be damaged when the rotating component is acted by external force.
The technical scheme of the utility model is that: the utility model provides a small-size all-round fan of shaking head, includes fan unit spare, fan support, fan base and rotating assembly, fan unit spare establishes on the fan support, fan support establishes on the fan base, rotating assembly sets up fan base with between the fan support, rotating assembly includes rotating electrical machines, reduction gear and damping structure, the gear train in the rotating electrical machines drive reduction gear is rotatory, and the output shaft of gear train passes through the damping structure and drives the fan support rotation.
As right the utility model discloses an improvement, the damping structure includes damping screw, five gold pieces of damping and damping spring, five gold pieces of damping are fixed on the fan bracket, the damping screw passes behind the five gold pieces of damping with the output shaft threaded connection of gear train, damping spring establishes five gold pieces of damping below, be used for with five gold pieces of damping compress tightly with the damping screw, make the output shaft of gear train the power of passing through the damping screw reach the five gold pieces of damping transmit for fan bracket.
As right the utility model discloses an improvement, damping spring's lower extreme with bottom surface on the reduction gear box, perhaps with fan base go up and be equipped with the gasket between the bottom surface.
As a right improvement of the utility model, the five gold sheets of damping are fixed through first draw-in groove and second draw-in groove on the fan bracket.
As right the utility model discloses an improve, the rotating electrical machines is direct current motor be equipped with into in the fan base direct current motor provides the battery of electric energy.
As an improvement to the present invention, the battery is a rechargeable battery.
As right the utility model discloses an improvement, fan unit includes fan circle frame, fan motor, fan blade, preceding fan housing and back fan housing, the fan blade is established on fan motor's output shaft, fan motor pass through the support with the fan circle frame, preceding fan housing and back fan housing are established on the fan circle frame, and will fan motor and fan blade contain including.
As an improvement of the present invention, the fan bracket is a U-shaped frame, and both upper ends of the U-shaped frame are rotatably connected to the middle of the fan ring frame.
As an improvement to the present invention, the gear set is a plastic gear set.
As right the utility model discloses an improvement, reduction gear passes through the fastener to be fixed on fan base's the interior bottom surface.
The utility model discloses owing to adopted the damping structure in rotating assembly, even rotating assembly receives exogenic action, at this moment, can produce sliding friction between five gold sheets of damping screw and damping, it can not damage rotating assembly yet, more can not damage the gear of gear train to and burn out the rotating electrical machines, reached the rotating assembly's of fan protection purpose.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 shows a small-sized omni-directional oscillating fan, which includes a fan assembly 1, a fan bracket 2, a fan base 3 and a rotating assembly 4, wherein the fan assembly 1 is disposed on the fan bracket 2, the fan bracket 2 is disposed on the fan base 3, the rotating assembly 4 is disposed between the fan base 3 and the fan bracket 2, the rotating assembly 4 includes a rotating motor 41, a reduction gear box 42 and a damping structure 43, the rotating motor 41 drives a gear set in the reduction gear box 42 to rotate, and an output shaft 421 of the gear set drives the fan bracket 2 to rotate through the damping structure 43; in this embodiment, the damping structure 43 includes a damping screw 431, a damping hardware 432, and a damping spring 433, the damping hardware 432 is fixed on the fan bracket 2, the damping screw 431 passes through the damping hardware 432 and then is in threaded connection with the output shaft 421 of the gear set, and the damping spring 433 is disposed below the damping hardware 432 and is used for pressing the damping hardware 432 and the damping screw 431, so that the force of the output shaft 421 of the gear set is transmitted to the fan bracket 2 through the damping screw 431 and the damping hardware 432.
Preferably, a spacer 434 is disposed between the lower end of the damping spring 433 and the upper bottom surface of the reduction gear box 42 or the upper bottom surface of the fan base 3. The purpose of the spacer 434 is to prevent the damping spring 433 from rotating with the shaft, and to prevent the lower end of the damping spring 433 from directly rubbing against the upper bottom surface of the reduction gear box 42, or against the upper bottom surface of the fan base 3, and damaging the upper bottom surface of the reduction gear box 42, or against the upper bottom surface of the fan base 3.
Preferably, the damping hardware 432 is fixed on the fan bracket 2 by a first locking groove 4321 and a second locking groove 4322. Of course, the damping hardware 432 may also be secured to the fan bracket 2 in any manner, such as with fasteners or the like.
Preferably, the rotating electrical machine 41 may be an ac electrical machine or a dc electrical machine, and when a dc electrical machine is used, a battery 44 for supplying power to the dc electrical machine is preferably provided in the fan base 3.
Preferably, the battery 44 is a rechargeable battery.
Preferably, the fan assembly 1 includes a fan ring 11, a fan motor 12, a fan blade 13, a front fan housing 14 and a rear fan housing, the fan blade is disposed on an output shaft of the fan motor 12, the fan motor 12 is connected to the fan ring 11 through a bracket, and the front fan housing 14 and the rear fan housing are disposed on the fan ring 11 and enclose the fan motor 12 and the fan blade 13.
Preferably, the fan bracket 2 is a U-shaped bracket, and two upper ends of the U-shaped bracket are respectively rotatably connected with the middle part of the fan ring 11.
Preferably, the gear set is a plastic gear set.
Preferably, the reduction gear box 42 is fixed to the inner bottom surface of the fan base 3 by a fastening member 422.
When the fan support 2 works, the rotating motor 41 rotates to reduce the speed through the reduction gear box 42, the damping screw 431 on the output shaft 421 of the fixed reduction gear box 42 is driven, and the fan support 2 is driven to rotate through the damping hardware 432.
When external force is directly applied to the fan bracket 2, the external force is greater than the friction force between the damping screw 431 and the damping hardware 432, and the damping screw 431 and the damping hardware 432 slide, so that gears in the reduction gear box 42 are protected from being damaged and sliding.
All equivalent changes made by the contents of the specification and the drawings of the utility model are included in the scope of the claims of the utility model without departing from the idea of the utility model.
Claims (10)
1. The utility model provides a small-size all-round fan of shaking head, includes fan assembly (1), fan bracket (2), fan base (3) and rotating assembly (4), fan assembly (1) is established on fan bracket (2), fan bracket (2) are established on fan base (3), rotating assembly (4) set up fan base (3) with between fan bracket (2), its characterized in that: the rotating assembly (4) comprises a rotating motor (41), a reduction gear box (42) and a damping structure (43), the rotating motor (41) drives a gear set in the reduction gear box (42) to rotate, and an output shaft (421) of the gear set drives the fan support (2) to rotate through the damping structure (43).
2. The small omni-directional head fan according to claim 1, wherein: the damping structure (43) comprises a damping screw (431), a damping hardware (432) and a damping spring (433), the damping hardware (432) is fixed on the fan support (2), the damping screw (431) penetrates through the damping hardware (432) and then is in threaded connection with the output shaft (421) of the gear set, and the damping spring (433) is arranged below the damping hardware (432) and is used for pressing the damping hardware (432) and the damping screw (431) so that the force of the output shaft (421) of the gear set is transmitted to the fan support (2) through the damping screw (431) and the damping hardware (432).
3. A small omnidirectional moving head fan according to claim 2, characterized in that: and a gasket (434) is arranged between the lower end of the damping spring (433) and the upper bottom surface of the reduction gear box (42) or between the lower end of the damping spring and the upper bottom surface of the fan base (3).
4. A small omnidirectional moving head fan according to claim 2, characterized in that: the damping hardware lug (432) is fixed on the fan bracket (2) through a first clamping groove (4321) and a second clamping groove (4322).
5. A small omnidirectional moving head fan according to claim 1 or 2, characterized in that: the rotating motor (41) is a direct current motor, and a battery (44) for supplying power to the direct current motor is arranged in the fan base (3).
6. A small omnidirectional moving head fan according to claim 5, characterized in that: the battery (44) is a rechargeable battery.
7. A small omnidirectional moving head fan according to claim 1 or 2, characterized in that: the fan assembly (1) comprises a fan ring frame (11), a fan motor (12), fan blades (13), a front fan cover (14) and a rear fan cover, wherein the fan blades are arranged on an output shaft of the fan motor (12), the fan motor (12) is connected with the fan ring frame (11) through a support, and the front fan cover (14) and the rear fan cover are arranged on the fan ring frame (11) and contain the fan motor (12) and the fan blades (13).
8. A small omnidirectional moving head fan according to claim 7, characterized in that: the fan support (2) is a U-shaped frame, and the two upper ends of the U-shaped frame are respectively and rotatably connected with the middle part of the fan ring frame (11).
9. A small omnidirectional moving head fan according to claim 1 or 2, characterized in that: the gear set is a plastic gear set.
10. A small omnidirectional moving head fan according to claim 1 or 2, characterized in that: the reduction gear box (42) is fixed on the inner bottom surface of the fan base (3) through a fastener (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078344.5U CN211715376U (en) | 2020-01-15 | 2020-01-15 | Small-sized omnibearing oscillating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078344.5U CN211715376U (en) | 2020-01-15 | 2020-01-15 | Small-sized omnibearing oscillating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715376U true CN211715376U (en) | 2020-10-20 |
Family
ID=72823537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020078344.5U Expired - Fee Related CN211715376U (en) | 2020-01-15 | 2020-01-15 | Small-sized omnibearing oscillating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211715376U (en) |
-
2020
- 2020-01-15 CN CN202020078344.5U patent/CN211715376U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |