CN204591727U - The cooling fan structure of improvement - Google Patents
The cooling fan structure of improvement Download PDFInfo
- Publication number
- CN204591727U CN204591727U CN201520249684.9U CN201520249684U CN204591727U CN 204591727 U CN204591727 U CN 204591727U CN 201520249684 U CN201520249684 U CN 201520249684U CN 204591727 U CN204591727 U CN 204591727U
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- CN
- China
- Prior art keywords
- oil
- stator module
- insulating frame
- impregnated bearing
- rotating shaft
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- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of cooling fan structure of improvement, includes fan frame, stator module and rotor assembly; This fan frame includes shell, oil-impregnated bearing seat and oil-impregnated bearing, and oil-impregnated bearing seat has an erection column; This stator module has a mounting hole, is provided with draw-in groove in mounting hole, and snap ring coordinates buckle with draw-in groove, and between stator module and the upper-end surface of erection column, erection has the first sealing gasket; This rotor assembly includes fan shell, rotating shaft, iron-clad and magnet, and the inner bottom part of fan shell is convexly equipped with protuberance, is folded with the second sealing gasket between the lower end surface of protuberance and stator module.By being equipped with the first sealing gasket and the second sealing gasket, the sealability of product is promoted greatly, the oil of oil-impregnated bearing is avoided to run off, thus maintenance lubricity, make the usability of product be able to permanent maintenance good, coordinate snap ring to coordinate buckle with draw-in groove, and stator module coordinates buckle with locked groove simultaneously, make product structure simple, easy to assembly.
Description
Technical field
The utility model relates to radiation fan art, refers in particular to a kind of cooling fan structure of improvement.
Background technique
Generally speaking, because the electronic component in electronic product can produce fever phenomenon when operating, therefore for a long time, all radiation fan is equiped with in many electronic products, wind dispelling effect by radiation fan forces air current flow, to be discharged by the high-temperature gas of electronic product inside, increase radiating efficiency during electronic product running, make electronic product be maintained stable running.
But current radiation fan exists poor sealing, cause the oil of oil-impregnated bearing easily to run off and solid, the usability of product is impacted, and current radiation fan exists complex structure, the problem of assembling inconvenience.Therefore, be necessary to improve existing radiation fan.
Summary of the invention
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of cooling fan structure of improvement, and it effectively can solve existing radiation fan poor sealing and the problem of complex structure, assembling inconvenience.
For achieving the above object, the utility model adopts following technological scheme:
A cooling fan structure for improvement, includes fan frame, stator module and rotor assembly;
This fan frame includes shell, oil-impregnated bearing seat and oil-impregnated bearing, this oil-impregnated bearing seat be arranged at shell the center of inner side, oil-impregnated bearing seat has an erection column, the upper-end surface of this erection column is recessed is formed with a holding cavity, the outer side surface convex of erection column is provided with snap ring, and this oil-impregnated bearing is arranged in holding cavity;
This stator module has a mounting hole, is provided with draw-in groove in mounting hole, and aforementioned erection column embeds in mounting hole, and aforementioned snap ring coordinates buckle with draw-in groove, and between stator module and the upper-end surface of erection column, erection has the first sealing gasket;
This rotor assembly includes fan shell, rotating shaft, iron-clad and magnet, the outer side surface radiation of this fan shell is extended multiple flabellum, the inner bottom part of fan shell is convexly equipped with protuberance, the second sealing gasket is folded with between the lower end surface of protuberance and stator module, this rotating shaft is arranged on protuberance, rotating shaft is inserted in holding cavity, oil-impregnated bearing is sheathed on outside rotating shaft, rotating shaft is provided with locked groove, stator module coordinates buckle with locked groove, this iron-clad is arranged on the inner side surface of fan shell, and magnet is arranged at the inner side surface of iron-clad, and iron-clad and magnet are positioned at the periphery of stator module.
Preferably, the outer surface spraying of described rotating shaft is formed with wearing layer.
Preferably, the inner bottom surface of described holding cavity is provided with graphite pads.
Preferably, described shell is peviform.
Preferably, described stator module includes pcb board, silicon steel sheet, line bag, upper insulating frame and lower insulating frame, on this, insulating frame and lower insulating frame are bonded in two surfaces up and down of silicon steel sheet respectively, the center of upper insulating frame is provided with sealing axis hole, sealing axis hole coordinates with rotating shaft sealing, the center of this silicon steel sheet is provided with center hole, erection column is embedded in center hole, this pcb board is arranged at the bottom of lower insulating frame, aforementioned draw-in groove is formed between pcb board and lower insulating frame, and line holds to be located in insulating frame and groove corresponding to lower insulating frame.
Preferably, described upper insulating frame and lower insulating frame are nylon material.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
By being equipped with the first sealing gasket and the second sealing gasket, the sealability of product is promoted greatly, the oil of oil-impregnated bearing is avoided to run off, thus maintenance lubricity, make the usability of product be able to permanent maintenance good, coordinate snap ring to coordinate buckle with draw-in groove, and stator module coordinates buckle with locked groove simultaneously, make product structure simple, easy to assembly.
For more clearly setting forth structure characteristic of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the preferred embodiment of the utility model;
Fig. 2 is the enlarged diagram of the preferred embodiment middle fan frame of the utility model;
Fig. 3 is the enlarged diagram of stator module in the preferred embodiment of the utility model;
Fig. 4 is the enlarged diagram of the preferred embodiment rotor assembly of the utility model.
Accompanying drawing identifier declaration:
10, frame 11, shell is fanned
12, oil-impregnated bearing seat 121, erection column
13, oil-impregnated bearing 14, graphite pads
101, holding cavity 102, snap ring
20, stator module 21, pcb board
22, silicon steel sheet 23, line bag
24, upper insulating frame 25, lower insulating frame
201, mounting hole 202, draw-in groove
203, axis hole 204, center hole is sealed
30, rotor assembly 31, fan shell
311, protuberance 32, rotating shaft
33, iron-clad 34, magnet
35, flabellum 36, wearing layer
40, the first sealing gasket 50, second sealing gasket
Embodiment
Please refer to shown in Fig. 1 to Fig. 4, that show the concrete structure of the preferred embodiment of the utility model, include fan frame 10, stator module 20 and rotor assembly 30.
Wherein, as shown in Figure 2, this fan frame 10 includes shell 11, oil-impregnated bearing seat 12 and oil-impregnated bearing 13, this oil-impregnated bearing seat 12 be arranged at shell 11 the center of inner side, oil-impregnated bearing seat 12 has an erection column 121, the upper-end surface of this erection column 121 is recessed is formed with a holding cavity 101, and the outer side surface convex of erection column 121 is provided with snap ring 102, and this oil-impregnated bearing 13 is arranged in holding cavity 101; In the present embodiment, the inner bottom surface of described holding cavity 101 is provided with graphite pads 14, and described shell 11 is in peviform.
As shown in Figure 3, this stator module 20 has a mounting hole 201, is provided with draw-in groove 202 in mounting hole 201, and aforementioned erection column 121 embeds in mounting hole 201, aforementioned snap ring 102 coordinates buckle with draw-in groove 202, and sets up the first sealing gasket 40 between the upper-end surface of stator module 20 and erection column 121.
As shown in Figure 4, this rotor assembly 30 includes fan shell 31, rotating shaft 32, iron-clad 33 and magnet 34, the outer side surface radiation of this fan shell 31 is extended multiple flabellum 35, the inner bottom part of fan shell 31 is convexly equipped with protuberance 311, the second sealing gasket 50 is folded with between the lower end surface of protuberance 311 and stator module 20, this rotating shaft 32 is arranged on protuberance 311, rotating shaft 32 is inserted in holding cavity 101, oil-impregnated bearing 13 is sheathed on outside rotating shaft 32, rotating shaft 32 is provided with locked groove 301, stator module 20 coordinates buckle with locked groove 301, this iron-clad 33 is arranged on the inner side surface of fan shell 31, magnet 34 is arranged at the inner side surface of iron-clad 33, iron-clad 33 and magnet 34 are positioned at the periphery of stator module 20, and, the outer surface spraying of described rotating shaft 32 is formed with wearing layer 36.
And, specifically, described stator module 20 includes pcb board 21, silicon steel sheet 22, line bag 23, upper insulating frame 24 and lower insulating frame 25, on this, insulating frame 24 and lower insulating frame 25 are bonded in two surfaces up and down of silicon steel sheet 22 respectively, the center of upper insulating frame 24 is provided with sealing axis hole 203, sealing axis hole 203 is sealed and matched with rotating shaft 32, the center of this silicon steel sheet 22 is provided with center hole 204, erection column 121 is embedded in center hole 204, this pcb board 21 is arranged at the bottom of lower insulating frame 25, aforementioned draw-in groove 202 is formed between pcb board 21 and lower insulating frame 25, line bag 23 is set around in the groove of insulating frame 24 and lower insulating frame 25 correspondence, and, described upper insulating frame 24 and lower insulating frame 25 are nylon material.
Design focal point of the present utility model is: by being equipped with the first sealing gasket and the second sealing gasket, the sealability of product is promoted greatly, the oil of oil-impregnated bearing is avoided to run off, thus maintenance lubricity, make the usability of product be able to permanent maintenance good, coordinate snap ring to coordinate buckle with draw-in groove, and stator module coordinates buckle with locked groove simultaneously, make product structure simple, easy to assembly.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (6)
1. a cooling fan structure for improvement, is characterized in that: include fan frame, stator module and rotor assembly;
This fan frame includes shell, oil-impregnated bearing seat and oil-impregnated bearing, this oil-impregnated bearing seat be arranged at shell the center of inner side, oil-impregnated bearing seat has an erection column, the upper-end surface of this erection column is recessed is formed with a holding cavity, the outer side surface convex of erection column is provided with snap ring, and this oil-impregnated bearing is arranged in holding cavity;
This stator module has a mounting hole, is provided with draw-in groove in mounting hole, and aforementioned erection column embeds in mounting hole, and aforementioned snap ring coordinates buckle with draw-in groove, and between stator module and the upper-end surface of erection column, erection has the first sealing gasket;
This rotor assembly includes fan shell, rotating shaft, iron-clad and magnet, the outer side surface radiation of this fan shell is extended multiple flabellum, the inner bottom part of fan shell is convexly equipped with protuberance, the second sealing gasket is folded with between the lower end surface of protuberance and stator module, this rotating shaft is arranged on protuberance, rotating shaft is inserted in holding cavity, oil-impregnated bearing is sheathed on outside rotating shaft, rotating shaft is provided with locked groove, stator module coordinates buckle with locked groove, this iron-clad is arranged on the inner side surface of fan shell, and magnet is arranged at the inner side surface of iron-clad, and iron-clad and magnet are positioned at the periphery of stator module.
2. the cooling fan structure of improvement as claimed in claim 1, is characterized in that: the outer surface spraying of described rotating shaft is formed with wearing layer.
3. the cooling fan structure of improvement as claimed in claim 1, is characterized in that: the inner bottom surface of described holding cavity is provided with graphite pads.
4. the cooling fan structure of improvement as claimed in claim 1, is characterized in that: described shell is peviform.
5. the cooling fan structure of improvement as claimed in claim 1, it is characterized in that: described stator module includes pcb board, silicon steel sheet, line bag, upper insulating frame and lower insulating frame, on this, insulating frame and lower insulating frame are bonded in two surfaces up and down of silicon steel sheet respectively, the center of upper insulating frame is provided with sealing axis hole, sealing axis hole coordinates with rotating shaft sealing, the center of this silicon steel sheet is provided with center hole, erection column is embedded in center hole, this pcb board is arranged at the bottom of lower insulating frame, aforementioned draw-in groove is formed between pcb board and lower insulating frame, line holds to be located in insulating frame and groove corresponding to lower insulating frame.
6. the cooling fan structure of improvement as claimed in claim 5, is characterized in that: described upper insulating frame and lower insulating frame are nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249684.9U CN204591727U (en) | 2015-04-23 | 2015-04-23 | The cooling fan structure of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249684.9U CN204591727U (en) | 2015-04-23 | 2015-04-23 | The cooling fan structure of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591727U true CN204591727U (en) | 2015-08-26 |
Family
ID=53927886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520249684.9U Expired - Fee Related CN204591727U (en) | 2015-04-23 | 2015-04-23 | The cooling fan structure of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591727U (en) |
-
2015
- 2015-04-23 CN CN201520249684.9U patent/CN204591727U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200423 |