CN206071905U - dust-proof fan structure - Google Patents
dust-proof fan structure Download PDFInfo
- Publication number
- CN206071905U CN206071905U CN201620931928.6U CN201620931928U CN206071905U CN 206071905 U CN206071905 U CN 206071905U CN 201620931928 U CN201620931928 U CN 201620931928U CN 206071905 U CN206071905 U CN 206071905U
- Authority
- CN
- China
- Prior art keywords
- dust
- proof
- flabellum
- fan
- rack
- 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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Abstract
The utility model discloses a kind of dust-proof fan structure, is related to fan technology field；Including flabellum shaft core, fan frame, wire reeling rack, inserting rack, silicon steel sheet, magnet frame and flabellum；Fan frame bottom has hollow projection, and flabellum shaft core is rotated and is arranged in hollow projection, and flabellum is fixed at the top of the flabellum shaft core；Wire reeling rack is fixed on above silicon steel sheet, and inserting rack is fixed on below silicon steel sheet, and wire reeling rack, silicon steel sheet and inserting rack are fixed on the outside of hollow projection；In a ring, wire reeling rack and silicon steel sheet are arranged in magnet frame magnet frame；Flabellum bottom has the dust-proof outer shroud of an annular, the bottom of fan frame is provided with the dust-proof internal ring of an annular, the dust-proof outer shroud of annular is mutually engaged with the dust-proof internal ring of annular, and wire reeling rack, silicon steel sheet, inserting rack and magnet frame are then located in the region that the dust-proof outer shroud is surrounded with annular dust-proof internal ring；The beneficial effects of the utility model are：Can be very good to prevent dust from entering inside fan, it is to avoid the infringement that dust causes fan.
Description
Technical field
This utility model is related to fan technology field, and in particular, this utility model is related to a kind of dust-proof fan structure.
Background technology
At present, existing fan generally comprises the wire guard of pedestal, motor, fan blade and outside, when fan is used,
Air is entered from the rear defence shield of fan, is blown out through fan blade the past protective cover of fan, is typically had dust in air,
Especially in the case where environment is very severe（One kind of the electric welding machine for such as using on-site-fan application）, it is mixed into
Dirt ash in air.Existing fan, the gap for having more than 2mm between flabellum and fan frame, so extraneous dust and foreign body are very
Be easily accessible the inside of fan electromotor and very big harm brought to fan electromotor, badly influence the work longevity of the entirety of fan
Life, it is bad often to cause that rotation speed of the fan is slack-off, motor damage etc. is not transferred in rotating shaft locking.
The content of the invention
The purpose of this utility model is effectively to overcome the shortcomings of above-mentioned technology, there is provided a kind of dust-proof fan structure, and this is prevented
Dirt fan is effectively protected the infringement that fan electromotor is brought by foreign body immersion.
What the technical solution of the utility model was realized in：Dust-proof fan structure, which thes improvement is that：Including flabellum
Shaft core, fan frame, wire reeling rack, inserting rack, silicon steel sheet, magnet frame and flabellum；The fan frame bottom has hollow projection, the fan
Rachis core is rotated and is arranged in hollow projection, and the flabellum is fixed at the top of the flabellum shaft core；
The wire reeling rack is fixed on above silicon steel sheet, and the inserting rack is fixed on below silicon steel sheet, and described wire reeling rack,
Silicon steel sheet and inserting rack are fixed on the outside of hollow projection；The magnet frame in a ring, the wire reeling rack and the silicon steel sheet
It is arranged in described magnet frame；
The bottom that the flabellum bottom has the dust-proof outer shroud of an annular, the fan frame is provided with the dust-proof interior of an annular
Ring, the dust-proof outer shroud of the annular are mutually engaged with the dust-proof internal ring of annular, the wire reeling rack, silicon steel sheet, inserting rack and magnet frame
Then it is located in the region that the dust-proof outer shroud is surrounded with annular dust-proof internal ring.
In such a configuration, a pcb board is fixedly mounted below the inserting rack.
In such a configuration, wire is connected with the pcb board, the fan frame bottom is provided with wire hole, and described
A shield line piece is provided with wire hole.
In such a configuration, bearing is provided with the hollow projection, the flabellum shaft core is arranged on described axle
Hold.
In such a configuration, be provided with a draw-in groove in the flabellum shaft core, snapped in the draw-in groove for it is countershaft hold into
The spacing jump ring of row.
In such a configuration, a spring is cased with the flabellum shaft core, and the upper end of spring is resisted against on the flabellum,
The lower end top pressure of spring is on described bearing.
The beneficial effects of the utility model are：This utility model is by the dust-proof outer shroud of annular and annular dust-proof internal ring phase
Occlusion, wire reeling rack, silicon steel sheet, inserting rack and magnet frame are then located at the region that the dust-proof outer shroud is surrounded with annular dust-proof internal ring
It is interior, while pcb board also is located in the region that dust-proof outer shroud is surrounded with annular dust-proof internal ring, can be very good to prevent dust from entering
Inside fan, it is to avoid the infringement that dust is caused to fan.
【Description of the drawings】
Fig. 1 is the first configuration schematic diagram of dust-proof fan of the present utility model.
Fig. 2 is the Longitudinal cross section schematic of dust-proof fan of the present utility model.
Fig. 3 is the second configuration schematic diagram of dust-proof fan of the present utility model.
【Specific embodiment】
The utility model will be further described with reference to the accompanying drawings and examples.
With reference to shown in Fig. 1, a kind of dust-proof fan structure that this utility model is disclosed, specifically, described dust-proof fan bag
Include flabellum shaft core 10, fan frame 20, wire reeling rack 30, inserting rack 40, silicon steel sheet 50, and flabellum 60；20 bottom of the fan frame has
Hollow projection, the flabellum shaft core 10 are rotated and are arranged in hollow projection, and the flabellum 60 is fixed on the flabellum axle
At the top of core 10；The wire reeling rack 30 is fixed on above silicon steel sheet 50, and the inserting rack 40 is fixed on below silicon steel sheet 50, and described
Wire reeling rack 30, silicon steel sheet 50 and inserting rack 40 be fixed on below the outside inserting rack 40 of hollow projection and fixedly mount
A pcb board 401.Also include magnet frame 70, in a ring, the wire reeling rack 30 and the silicon steel sheet 50 are arranged at institute to the magnet frame 70
In the magnet frame 70 stated；60 bottom of the flabellum has the dust-proof outer shroud 601 of an annular, and the bottom of the fan frame 20 is provided with a ring
The dust-proof internal ring 201 of shape, the dust-proof outer shroud 601 of the annular are mutually engaged with the dust-proof internal ring 201 of annular, the wire reeling rack 30,
Silicon steel sheet 50, inserting rack 40 and magnet frame 70 are then located at the region that the dust-proof outer shroud 601 is surrounded with annular dust-proof internal ring 201
It is interior.
Preferably, in the present embodiment, bearing 80 is provided with the hollow projection, the flabellum shaft core 10 is arranged on
On described bearing 80；A draw-in groove is provided with the flabellum shaft core 10, snapped in the draw-in groove for it is countershaft hold carry out it is spacing
Jump ring 101.A spring 102 is cased with the flabellum shaft core 10, and the upper end of spring 102 is resisted against on the flabellum 60, bullet
The lower end top pressure of spring 102 is on described bearing 80.
As further improvement of the utility model point, wire, 20 bottom of the fan frame on the pcb board 401, are connected with
It is provided with wire hole, and the wire hole and is provided with a shield line piece 90, by the effect for protecting line piece 90, prevents foreign body and dust
Enter in fan from the back of fan base.
Dust-proof internal ring 201 of the dust-proof outer shroud 601 of annular with annular is mutually stung by this utility model by above-mentioned structure
Close, wire reeling rack 30, silicon steel sheet 50, inserting rack 40 and magnet frame 70 are then located at the dust-proof internal ring of the dust-proof outer shroud 601 and annular
In 201 regions for surrounding, while pcb board 401 also is located in the region that dust-proof outer shroud 601 is surrounded with annular dust-proof internal ring 201,
Can be very good to prevent dust from entering inside fan, it is to avoid the infringement that dust causes fan.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to this utility model
Restriction.In technological thought category of the present utility model, can there is various modifications and modification, the ordinary skill of all this areas
Retouching, modification or equivalent that personnel are made as described above, belong to the scope protected by this utility model.
Claims (6)
1. a kind of dust-proof fan structure, it is characterised in that：Including flabellum shaft core, fan frame, wire reeling rack, inserting rack, silicon steel sheet, magnet frame
And flabellum；The fan frame bottom has hollow projection, and the flabellum shaft core is rotated and is arranged in hollow projection, and described
Flabellum is fixed at the top of the flabellum shaft core；
The wire reeling rack is fixed on above silicon steel sheet, and the inserting rack is fixed on below silicon steel sheet, and described wire reeling rack, silicon steel
Piece and inserting rack are fixed on the outside of hollow projection；In a ring, the wire reeling rack and the silicon steel sheet are arranged the magnet frame
In described magnet frame；
The flabellum bottom has the dust-proof outer shroud of an annular, and the bottom of the fan frame is provided with the dust-proof internal ring of an annular, institute
The dust-proof outer shroud for stating annular is mutually engaged with the dust-proof internal ring of annular, and the wire reeling rack, silicon steel sheet, inserting rack and magnet frame are then located at
In the region that the dust-proof outer shroud is surrounded with annular dust-proof internal ring.
2. dust-proof fan structure according to claim 1, it is characterised in that：One is fixedly mounted below the inserting rack
Pcb board.
3. dust-proof fan structure according to claim 2, it is characterised in that：Wire, the fan are connected with the pcb board
Frame bottom is provided with wire hole, and the wire hole and is provided with a shield line piece.
4. dust-proof fan structure according to claim 1, it is characterised in that：Bearing is provided with the hollow projection,
The flabellum shaft core is arranged on described bearing.
5. dust-proof fan structure according to claim 4, it is characterised in that：A draw-in groove is provided with the flabellum shaft core,
Snapping in the draw-in groove carries out spacing jump ring for countershaft holding.
6. dust-proof fan structure according to claim 4, it is characterised in that：A spring is cased with the flabellum shaft core, and
The upper end of spring is resisted against on the flabellum, and the lower end top pressure of spring is on described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931928.6U CN206071905U (en) | 2016-08-24 | 2016-08-24 | dust-proof fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931928.6U CN206071905U (en) | 2016-08-24 | 2016-08-24 | dust-proof fan structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071905U true CN206071905U (en) | 2017-04-05 |
Family
ID=58431566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620931928.6U Expired - Fee Related CN206071905U (en) | 2016-08-24 | 2016-08-24 | dust-proof fan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218247A (en) * | 2017-06-13 | 2017-09-29 | 奇鋐科技股份有限公司 | Bearing close-fitting structure |
| CN107882756A (en) * | 2017-12-12 | 2018-04-06 | 上海冷盟精密电机有限公司 | A kind of high-performance radiator fan for space industry |
| US10215231B2 (en) | 2017-06-26 | 2019-02-26 | Asia Vital Components Co., Ltd. | Bearing structure with close fit |
-
2016
- 2016-08-24 CN CN201620931928.6U patent/CN206071905U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218247A (en) * | 2017-06-13 | 2017-09-29 | 奇鋐科技股份有限公司 | Bearing close-fitting structure |
| CN107218247B (en) * | 2017-06-13 | 2020-05-12 | 奇鋐科技股份有限公司 | Bearing close-fitting structure |
| US10215231B2 (en) | 2017-06-26 | 2019-02-26 | Asia Vital Components Co., Ltd. | Bearing structure with close fit |
| CN107882756A (en) * | 2017-12-12 | 2018-04-06 | 上海冷盟精密电机有限公司 | A kind of high-performance radiator fan for space industry |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20190824 |