CN203441819U - Electric fan with telescopic blades - Google Patents
Electric fan with telescopic blades Download PDFInfo
- Publication number
- CN203441819U CN203441819U CN201320516064.8U CN201320516064U CN203441819U CN 203441819 U CN203441819 U CN 203441819U CN 201320516064 U CN201320516064 U CN 201320516064U CN 203441819 U CN203441819 U CN 203441819U
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- fan blade
- blade
- blades
- fan
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Abstract
The utility model relates to an electric fan, in particular to an electric fan with telescopic blades. The electric fan with the telescopic blades comprises a motor and the blades, the blades are connected with a spindle of the motor, the blades comprises main blades and extension blades arranged on the outer sides of the main blades in a sleeved mode, sliding grooves are formed in the middles of the main blades and the middles of the extension blades respectively, the sliding grooves face the axis of the spindle of the motor, and fastening bolts are arranged in the sliding grooves in a penetrating mode. The electric fan with the telescopic blades has the advantages that the blades can be extended or shortened according to requirements so that wind force can be adjusted, and the wind force adjusting range is extended on the basis of original engine rotating speed adjustment.
Description
Technical field
The utility model relates to a kind of electric fan, especially relates to a kind of electric fan of telescopic fan blades.
Background technique
The fan blade of existing electric fan is generally three, forms Air Flow and then produce wind-force during rotation, and the fan blade of different length produces varying in size of wind-force.And the fan blade length of existing this class fan is fixed, cannot extend as required or shorten, if need to regulate wind speed to realize by reducing motor speed, cause regulating being limited in scope of wind-force.
Model utility content
The utility model is mainly for the problems referred to above, provides a kind of and can extend as required or shorten fan blade and then regulate wind-force, on the basis of original adjusting engine speed, expand the electric fan of the telescopic fan blades of the scope that wind-force regulates.
The purpose of this utility model is mainly achieved by following proposal: a kind of electric fan of telescopic fan blades, comprise motor and fan blade, fan blade is connected with motor main shaft, described fan blade comprises main blade and is set in the extension fan blade in main blade outside, the middle part of main blade and extension fan blade is provided with chute, chute, towards the axle center of motor main shaft, runs through and is provided with clamping bolt in described chute.Fan blade comprises main blade and is set in the extension fan blade in main blade outside, the middle part of main blade and extension fan blade is provided with chute, in the time of need to regulating fan blade total length, unscrew clamping bolt, regulate the position of extending fan blade, extend fan blade and can slide by being engaged in chute of clamping bolt and chute.Due to chute be positioned at main blade and extend the middle part of fan blade and chute towards the axle center of motor main shaft, can guarantee to extend fan blade and main blade coaxial line, guarantee that fan blade can keep transient equiliblium when rotated.Need larger wind-force can increase the extrusion of extending fan blade, need less wind-force can dwindle the extrusion of extending fan blade, regulate behind the position of extending fan blade, screw the position of the securing elongated fan blade of clamping bolt.By regulating motor speed to change wind-force, the position of extending fan blade by change increases the scope that wind-force regulates.
As preferably, described main blade and extend on fan blade and be provided with several bolt mounting holes, bolt mounting holes is located on the same line and towards the axle center of motor main shaft.On main blade and extension fan blade, be provided with several bolt mounting holes, bolt mounting holes is located on the same line and towards the axle center of motor main shaft, all fan blades are selected corresponding bolt mounting holes when reconciling extension fan blade, guarantee to extend fan blade extrusion all identical, guarantee the transient equiliblium of fan blade rotation.
As preferably, the distance of center circle between adjacent two bolt mounting holes equates.Distance of center circle between adjacent two bolt mounting holes equates, guarantees that fan blade gravity is even, the balance in winter while guaranteeing fan blade rotation.
As preferably, described main blade and to extend fan blade all oval.
Therefore, the electric fan of telescopic fan blades of the present utility model possesses following advantage: 1, fan blade comprises main blade and is set in the extension fan blade in main blade outside, the middle part of main blade and extension fan blade is provided with chute, in the time of need to regulating fan blade total length, unscrew clamping bolt, regulate the position of extending fan blade, extending fan blade can slide by being engaged in chute of clamping bolt and chute, due to chute be positioned at main blade and extend the middle part of fan blade and chute towards the axle center of motor main shaft, can guarantee to extend fan blade and main blade coaxial line, guarantee that fan blade can keep transient equiliblium when rotated, need larger wind-force can increase the extrusion of extending fan blade, need less wind-force can dwindle the extrusion of extending fan blade, regulate behind the position of extending fan blade, screw the position of the securing elongated fan blade of clamping bolt, by regulating motor speed to change wind-force, the position of extending fan blade by change increases the scope that wind-force regulates, 2, on main blade and extension fan blade, be provided with several bolt mounting holes, bolt mounting holes is located on the same line and towards the axle center of motor main shaft, all fan blades are selected corresponding bolt mounting holes when reconciling extension fan blade, guarantee to extend fan blade extrusion all identical, guarantee the transient equiliblium of fan blade rotation, 3, the distance of center circle between adjacent two bolt mounting holes equates, guarantees that fan blade gravity is even, the balance in winter while guaranteeing fan blade rotation.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the utility model when fan blade contraction state;
Accompanying drawing 2 is the utility model a kind of structural representations when fan blade elongation state.
Illustrate: 1-motor, 2-motor main shaft, 3-main blade, 4-extends fan blade, 5-chute, 6-clamping bolt, 7-bolt mounting holes.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, 2, a kind of electric fan of telescopic fan blades, comprises motor 1 and fan blade, and fan blade is connected with motor main shaft 2, and fan blade comprises main blade 3 and the extension fan blade 4 that is set in main blade 3 outsides, and main blade and extension fan blade are all oval shape.The middle part of main blade 3 and extension fan blade 4 all has chute 5, and chute 5, towards the axle center of motor main shaft 2, runs through in chute 5 and is provided with clamping bolt 6.On main blade 3 and extension fan blade 4, all have bolt mounting holes 7, bolt mounting holes 7 is located on the same line and towards the axle center of motor main shaft, the distance of center circle between adjacent two bolt mounting holes equates.
Fan blade comprises main blade and is set in the extension fan blade in main blade outside, the middle part of main blade and extension fan blade is provided with chute, in the time of need to regulating fan blade total length, unscrew clamping bolt, regulate the position of extending fan blade, extend fan blade and can slide by being engaged in chute of clamping bolt and chute.Due to chute be positioned at main blade and extend the middle part of fan blade and chute towards the axle center of motor main shaft, can guarantee to extend fan blade and main blade coaxial line, guarantee that fan blade can keep transient equiliblium when rotated.Need larger wind-force can increase the extrusion of extending fan blade, need less wind-force can dwindle the extrusion of extending fan blade, regulate behind the position of extending fan blade, screw the position of the securing elongated fan blade of clamping bolt.By regulating motor speed to change wind-force, the position of extending fan blade by change increases the scope that wind-force regulates.On main blade and extension fan blade, be provided with several bolt mounting holes, bolt mounting holes is located on the same line and towards the axle center of motor main shaft, all fan blades are selected corresponding bolt mounting holes when reconciling extension fan blade, guarantee to extend fan blade extrusion all identical, guarantee the transient equiliblium of fan blade rotation.Distance of center circle between adjacent two bolt mounting holes equates, guarantees that fan blade gravity is even, the balance in winter while guaranteeing fan blade rotation.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (4)
1. the electric fan of a telescopic fan blades, comprise motor and fan blade, fan blade is connected with motor main shaft, it is characterized in that, described fan blade comprises main blade and is set in the extension fan blade in main blade outside, the middle part of main blade and extension fan blade is provided with chute, and chute, towards the axle center of motor main shaft, runs through and is provided with clamping bolt in described chute.
2. the electric fan of telescopic fan blades according to claim 1, is characterized in that, described main blade and extend on fan blade and be provided with several bolt mounting holes, and bolt mounting holes is located on the same line and towards the axle center of motor main shaft.
3. the electric fan of telescopic fan blades according to claim 2, is characterized in that, the distance of center circle between adjacent two bolt mounting holes equates.
4. according to the electric fan of the telescopic fan blades described in claim 1 or 2 or 3, it is characterized in that, described main blade and extension fan blade are all oval shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516064.8U CN203441819U (en) | 2013-08-22 | 2013-08-22 | Electric fan with telescopic blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516064.8U CN203441819U (en) | 2013-08-22 | 2013-08-22 | Electric fan with telescopic blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441819U true CN203441819U (en) | 2014-02-19 |
Family
ID=50092878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320516064.8U Expired - Fee Related CN203441819U (en) | 2013-08-22 | 2013-08-22 | Electric fan with telescopic blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234767A (en) * | 2020-08-20 | 2021-01-15 | 余姚市宏阳微电机有限公司 | Micro motor |
-
2013
- 2013-08-22 CN CN201320516064.8U patent/CN203441819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234767A (en) * | 2020-08-20 | 2021-01-15 | 余姚市宏阳微电机有限公司 | Micro motor |
| CN112234767B (en) * | 2020-08-20 | 2022-09-20 | 余姚市宏阳微电机有限公司 | Micro motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140822 |
|
| EXPY | Termination of patent right or utility model |