CN207064310U - A kind of fan and its motor of application - Google Patents
A kind of fan and its motor of application Download PDFInfo
- Publication number
- CN207064310U CN207064310U CN201720587096.5U CN201720587096U CN207064310U CN 207064310 U CN207064310 U CN 207064310U CN 201720587096 U CN201720587096 U CN 201720587096U CN 207064310 U CN207064310 U CN 207064310U
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- fan
- axis hole
- arc surface
- dashpot
- wheel disc
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Abstract
The utility model discloses a kind of fan and the motor of its application,The fan includes axle sleeve and some blades,Axis hole is provided among axle sleeve,Axle sleeve is provided with least two dashpots,Dashpot is located at the periphery of axis hole,An opening is equipped with dashpot,And dashpot is connected by opening with axis hole,Fit structure is formed between two neighboring dashpot and two neighboring opening,Fit structure includes supporting part and button grabs portion,Support zone is between two neighboring dashpot,The portion of grabbing is detained between two neighboring opening,The bottom surface that button grabs portion is arc surface,Each arc surface surrounds the interior sidewall surface of axis hole,The center of circle O1 of arc surface and the O decentractions of axis hole center,And the radius R1 of arc surface is less than arc surface to the distance R at axis hole center,This structure can increase the adhesion of fan axis hole and machine shaft,Fan firmly can be arranged on machine shaft,It will not fall off,Other fixture is not needed,It is easy for installation,It is cost-effective,Fan is low with rotating shaft fit precision.
Description
Technical field：
It the utility model is related to a kind of fan and its motor of application.
Background technology：
Existing electric motor fan, including the axle sleeve with machine shaft tight fit, axle sleeve centre are provided with axis hole, and fan passes through axle
Hole is arranged on machine shaft, and when motor, fan work, motor, fan are vibrated, and fan is easily released from rotating shaft, fallen
Fall, in order to prevent fan from dropping, existing way is one piece of fixed catch of card in rotating shaft, although being also possible to prevent fan pine
Take off, drop, but manufacture, mounting process it is cumbersome, cost increase.
The content of the invention：
The purpose of this utility model is to provide a kind of fan and its motor of application, and described electric motor fan can not increase
It can be securely installed in the case of fixed catch on motor, will not release, drop from rotating shaft.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the present utility model is to provide a kind of fan, including axle sleeve and some blades, axle sleeve it is tight with rotating shaft
Coordinate, axis hole be provided among axle sleeve, it is characterised in that：Axle sleeve is provided with least two dashpots, and dashpot is located at the outer of axis hole
Enclose, an opening is equipped with dashpot, and dashpot is connected by opening with axis hole, two neighboring dashpot and two neighboring
Form fit structure between opening, fit structure includes supporting part and button grabs portion, support zone between two neighboring dashpot,
The portion of grabbing is detained between two neighboring opening, the bottom surface that button grabs portion is arc surface, and each arc surface surrounds the interior sidewall surface of axis hole.
The center of circle O1 of arc surface described above and the O decentractions of axis hole center, and the radius R1 of arc surface is less than arc surface
To the distance R at axis hole center.
Fit structure described above it is equal in magnitude, shape is identical, and is uniformly distributed.
The radius R1 of each arc surface described above is equal, and arc angle θ corresponding to each arc surface equal, and
Even distribution.
Fit structure described above is symmetrical.
The number of fit structure described above is 4.
Set on arc surface described above fluted.
Fan described above also includes the first wheel disc, the second wheel disc, and the first wheel disc protrudes from the external peripheral surface of axle sleeve, leaf
Piece tail end is connected on the first wheel disc lateral surface evenly and at intervals, is extended radially, and the second wheel disc includes annular side plate
And annular bottom plate, annular side plate are connected with annular bottom plate, the head of blade and thereafter bottom surface are and described by the second wheel disc envelope
The head of blade be connected with annular side plate, the rear bottom surface of described blade is connected with annular bottom plate, two adjacent blades, first
Air intake passage is surrounded between the annular bottom plate of wheel disc and the second wheel disc.
Annular side plate described above is parallel with the axis L1 of axis hole.
Another purpose of the present utility model is to provide a kind of motor, and motor includes motor body and fan, motor sheet
Body includes rotating shaft, and the axle stretch end of rotating shaft is provided with annular knurl, and rotating shaft is arranged on motor by the axis hole tight fit of annular knurl and fan, fan
Rotating shaft on, described fan is fan described above.
The utility model compared with prior art, has the effect that：
1) axle sleeve is provided with least two dashpots, and dashpot is located at the periphery of axis hole, and being equipped with one on dashpot opens
Mouthful, and dashpot is connected by opening with axis hole, is formed fit structure between two neighboring dashpot and two neighboring opening, is matched somebody with somebody
Close structure and grab portion including supporting part and button, for support zone between two neighboring dashpot, the button portion of grabbing is located at two neighboring opening
Between, the bottom surface that button grabs portion is arc surface, and each arc surface surrounds the interior sidewall surface of axis hole, when rotating shaft is with fan shaft hole matching, axle
The arc surface in hole can increase the adhesion of rotating shaft and fan axis hole, and after rotating shaft and fan shaft hole matching, circular arc top is by resilience
Power extrudes rotating shaft, and cooperation more fastens, and fan firmly can be arranged on machine shaft, will not fall off, it is not necessary to fixation in addition
Part, easy for installation, cost-effective, rotating shaft squeeze buckle grabs the arc surface in portion, and arc surface can be deformed, and reduce fan and rotating shaft
Fit precision requirement.
2) center of circle O1 of arc surface and the O decentractions of axis hole center, and the radius R1 of arc surface is less than arc surface into axis hole
The adhesion of the distance R of the heart, such arc surface and rotating shaft is stronger, and rotating shaft and the cooperation of fan more fasten.
3) the radius R1 of each arc surface is equal, and arc angle θ is equal corresponding to each arc surface, and is uniformly distributed, can be with
Make axis hole arc surface and rotating shaft adhesion it is uniform, fan operation is more steady and more difficult is come off from machine shaft.
4) fit structure is symmetrical, ensures that the adhesion of arc surface and rotating shaft is uniform, and fan operation is more steadily and less
Easily come off from machine shaft.
5) set fluted on the arc surface of axis hole, groove can block the annular knurl in rotating shaft, prevent fan circumferential slippage,
Further prevent fan from being come off from rotating shaft.
6) the second wheel disc includes annular side plate and annular bottom plate, and annular side plate is connected with annular bottom plate, the head of blade and
Thereafter bottom surface is by the second wheel disc envelope, and the head of described blade is connected with annular side plate, the rear bottom surface of described blade
It is connected with annular bottom plate, surrounds air intake passage between the annular bottom plate of two adjacent blades, the first wheel disc and the second wheel disc, so
Setting can change the direction of air-out.
7) annular side plate is parallel with the axis L1 of axis hole, and annular side plate can preferably change the direction of air-out.
Brief description of the drawings：
Fig. 1 is the stereogram of fan described in the utility model embodiment one；
Fig. 2 is the stereogram of another angle of fan described in the utility model embodiment one；
Fig. 3 is the top view of fan described in the utility model embodiment one；
Fig. 4 is the profile of the A-A in Fig. 3；
Fig. 5 is the upward view of fan described in the utility model embodiment one；
Fig. 6 is the partial enlarged drawing of B in Fig. 5；
Fig. 7 is the top view of motor described in the utility model embodiment two；
Fig. 8 is the profile of the C-C in Fig. 7.
Embodiment：
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment one：
As shown in Figures 1 to 6, a kind of fan that the present embodiment provides, including axle sleeve 10 and some blades 11, axle sleeve 10 with
The tight fit of rotating shaft 21, the centre of axle sleeve 10 are provided with axis hole 12, and axle sleeve 10 is provided with least two dashpots 13, and dashpot 13 is located at axle
The periphery in hole 12, an opening 131 is equipped with dashpot 13, and dashpot 13 is connected by opening 131 with axis hole 12, it is adjacent
Fit structure 14 is formed between two dashpots 13 and two neighboring opening 131, fit structure 14 includes supporting part 141 and button is grabbed
Portion 142, supporting part 141 is between two neighboring dashpot 13, and button grabs portion 142 between two neighboring opening 131, and button is grabbed
The bottom surface in portion 142 is arc surface 143, and each arc surface 143 surrounds the interior sidewall surface of axis hole 12.
The center of circle O1 of described arc surface 143 and the O decentractions of axis hole center, and the radius R1 of arc surface 143 is less than circular arc
The distance R at axis hole center is arrived in face 143.
The radius R1 of described each arc surface 143 is equal, and arc angle θ is equal corresponding to each arc surface 143, and uniformly
Distribution.
Described fit structure 14 it is equal in magnitude, shape is identical, and is uniformly distributed.
Described fit structure 14 is symmetrical.
The number of described fit structure 14 is 4.
Fluted 15 are set on described arc surface 143.
Fan also includes the first wheel disc 16, the second wheel disc 17, and the first wheel disc 16 protrudes from the external peripheral surface of axle sleeve 10, leaf
The tail end of piece 11 is connected on the lateral surface of the first wheel disc 16 evenly and at intervals, is extended radially, and the second wheel disc 17 includes ring
Shape side plate 171 and annular bottom plate 172, annular side plate 171 are connected with annular bottom plate 172, the head of blade 11 and thereafter bottom surface quilt
The envelope of second wheel disc 17, and the head of described blade 11 is connected with annular side plate 171, the rear bottom surface of described blade 11 with
Annular bottom plate 172 connects, surrounded between the annular bottom plate 172 of two adjacent blades 11, the first wheel disc 16 and the second wheel disc 17 into
Wind passage.
Described annular side plate 171 is parallel with the axis L1 of axis hole 12.
Embodiment two：
As described in Fig. 7, Fig. 8, a kind of motor of the present embodiment offer, including motor body 2 and fan 1, motor body 2 wrap
Include rotating shaft 21, the axle stretch end of rotating shaft 21 is provided with annular knurl, and rotating shaft 21 is installed by the tight fit of axis hole 12 of annular knurl and fan 1, fan 1
In the rotating shaft 21 of motor, described fan 1 is the fan described in embodiment one.
Above example is better embodiment of the invention, but the implementation of the present invention is not limited to this, and other are any
Without departing from the present invention Spirit Essence with made under principle change, modification, replacement, combine, simplification, be equivalent displacement side
Formula, it is included within protection scope of the present invention.
Claims (10)
1. a kind of fan, including axle sleeve (10) and some blades (11), axle sleeve (10) and rotating shaft (21) tight fit, in axle sleeve (10)
Between be provided with axis hole (12), it is characterised in that：Axle sleeve (10) is provided with least two dashpots (13), and dashpot (13) is located at axis hole
(12) periphery, an opening (131) is equipped with dashpot (13), and dashpot (13) passes through opening (131) and axis hole
(12) connect, fit structure (14), fit structure are formed between two neighboring dashpot (13) and two neighboring opening (131)
(14) include supporting part (141) and button grabs portion (142), for supporting part (141) between two neighboring dashpot (13), button grabs portion
(142) between two neighboring opening (131), the bottom surface that button grabs portion (142) is arc surface (143), and each arc surface (143) is enclosed
Into the interior sidewall surface of axis hole (12).
A kind of 2. fan according to claim 1, it is characterised in that：The center of circle O1 and axis hole center O of arc surface (143) are not
With one heart, and arc surface (143) radius R1 be less than arc surface (143) arrive axis hole center distance R.
A kind of 3. fan according to claim 1, it is characterised in that：Equal in magnitude, the shape of described fit structure (14)
Shape is identical, and is uniformly distributed.
A kind of 4. fan according to claim 2, it is characterised in that：The radius R1 of each arc surface (143) is equal, and
Arc angle θ corresponding to each arc surface (143) is equal, and is uniformly distributed.
A kind of 5. fan according to claim 3, it is characterised in that：Described fit structure (14) is symmetrical.
A kind of 6. fan according to claim 5, it is characterised in that：The number of described fit structure (14) is 4.
A kind of 7. fan according to any one of claim 1 to 6, it is characterised in that：Set on described arc surface (143)
It is equipped with groove (15).
A kind of 8. fan according to claim 7, it is characterised in that：Fan also includes the first wheel disc (16), the second wheel disc
(17), the first wheel disc (16) protrudes from the external peripheral surface of axle sleeve (10), and blade (11) tail end is connected to described evenly and at intervals
On first wheel disc (16) lateral surface, extend radially, the second wheel disc (17) includes annular side plate (171) and annular bottom plate
(172), annular side plate (171) is connected with annular bottom plate (172), and the head of blade (11) and thereafter bottom surface are by the second wheel disc (17)
Envelope, and the head of described blade (11) is connected with annular side plate (171), rear bottom surface and the annular of described blade (11)
Bottom plate (172) connects, between the annular bottom plate (172) of adjacent two blades (11), the first wheel disc (16) and the second wheel disc (17)
Surround air intake passage.
A kind of 9. fan according to claim 8, it is characterised in that：Described annular side plate (171) and axis hole (12)
Axis L1 is parallel.
10. a kind of motor, including motor body (2) and fan (1), motor body (2) includes rotating shaft (21), the axle of rotating shaft (21)
Stretch end and be provided with annular knurl, rotating shaft (21) passes through axis hole (12) tight fit of annular knurl and fan (1), turn of the fan (1) installed in motor
On axle (21), it is characterised in that：Described fan (1) is the fan described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587096.5U CN207064310U (en) | 2017-05-24 | 2017-05-24 | A kind of fan and its motor of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587096.5U CN207064310U (en) | 2017-05-24 | 2017-05-24 | A kind of fan and its motor of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064310U true CN207064310U (en) | 2018-03-02 |
Family
ID=61505893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587096.5U Active CN207064310U (en) | 2017-05-24 | 2017-05-24 | A kind of fan and its motor of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064310U (en) |
-
2017
- 2017-05-24 CN CN201720587096.5U patent/CN207064310U/en active Active
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