CN204805147U - Radiator fan's leak protection oil structure - Google Patents
Radiator fan's leak protection oil structure Download PDFInfo
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- CN204805147U CN204805147U CN201520433522.0U CN201520433522U CN204805147U CN 204805147 U CN204805147 U CN 204805147U CN 201520433522 U CN201520433522 U CN 201520433522U CN 204805147 U CN204805147 U CN 204805147U
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- bearing
- axle core
- bearing housing
- groove
- insulating part
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Abstract
The utility model relates to a radiator fan's leak protection oil structure mainly is a structure of being applied to electron device heat dissipation usefulness, and this structure is including a base, a rotor assembly and certain subunit, the holding has a bearing housing in this base, and the cover is equipped with a bearing in this bearing housing, this rotor assembly is equipped with a hub, and this department of hub central authorities has set firmly a core, but this core plug bush in the bearing, and this core is equipped with the recess of an embedding in the outer peripheral face of department of neighbouring hub central authorities one end, this stator stack is established and is combined in this bearing housing, and is equipped with an insulating part in this stator group, and this insulating part inner edge supports the locating part by there being an integrated into one piece, and this locating part supports and leans on in the bearing upper end, can effective spacing bearing, and because of the locating part inner edge is the echelonment of inside extension, and inside deepening the bearing housing, and in the proper insertible axle core recess of this flange, can strengthen with an axle core area of contact, the axis when letting a core rotate can not produce the skew, and can reach the oily purpose of leak protection.
Description
Technical field
The utility model is a kind of leak-proof arrangement of radiation fan, and espespecially a kind of bounding means that relies on effectively prevents axle core from getting loose, and more can prevent the oil seepage leak-proof arrangement out in the appearance oil space between bearing and axle core.
Background technique
The existing radiator fan motor being used in electronic equipment, its structure includes a shell block, and shell block central authorities have a hollow axle tube, a rotor and stator group, and this central siphon inside can for putting the components such as a bearing, a clasp and an oil seal cover; This rotor center has a rotatingshaft, and this rotatingshaft is rotatable in conjunction with above-mentioned bearing, and the outer circumferential face of this rotatingshaft forms a clamping groove, bottom this clamping groove this rotatingshaft contiguous, combines for above-mentioned clasp clip; This stator pack is installed in this central siphon outer circumferential face, to drive above-mentioned rotor start.
But be buckled in the clamping groove of rotatingshaft because of this clasp, to utilize the block effect between this bearing and this clasp, prevent rotor from getting loose in rotary course.So certain length must be reserved in advance bottom this rotatingshaft, for clip clasp, cause rotatingshaft cannot be rotatable combination with bearing close to the outer circumferential face of bottom, restriction rotatingshaft and bearing engagement surface amass further, and when causing rotor to rotate, stability cannot further promote.
Please refer to shown in Fig. 1, separately there is a kind of existing motor configuration, it is provided with a pedestal 100, these pedestal 100 central authorities are provided with a bearing housing upwards extended 110, inserted a bearing 120 in this bearing housing 110, be equipped with an axle core 130 in this bearing 120, this axle core 130 be combined with each other in rotatable with bearing 120, and this axle core 130 connecing with a wheel hub 140 is established, this wheel hub 140 and pedestal 100 are in the face of shape.
Separately, this bearing housing 110 peripheral sleeve is provided with stator group 200, this stator pack 200 includes insulating bush 210 on, insulating bush 220 once, silicon steel plate 230 and a wire coil 240, wherein on this, insulating bush 210 and lower insulating bush 220 sandwich this silicon steel plate 230, and this wire coil 240 is wound around this silicon steel plate 230 to form stator pack 200, and inner peripheral surface of insulating bush 210 has an integrated bounding means 211 on this, this bounding means 211 is used for Limit Bearing 120, get loose from bearing housing 110 to prevent this bearing 120, and this bounding means 211 further stretches in the annular groove 131 of axle core 130, and this bounding means 211 can be relied on to support only effect, prevent axle core 130 from getting loose, but be resisted against on axle core 130 annular groove 131 edge because this bounding means 211 to be close on bearing 120 ora terminalis to extend again, and this bounding means 211 in the form of sheets, only be pressed on the area of annular groove 131 edge section, thus, namely following shortcoming is had:
1., because bounding means 211 and upper insulating bush 210 are formed in one, so engineering is complicated when making, man-hour increases.
2. being resisted against on axle core 130 annular groove 131 edge because this bounding means 211 to be close on bearing 120 ora terminalis to extend again again, so the precision when making requires relatively to improve, fabricating cost also being increased.
3. again because there is no any buffer structure between wheel hub 140 and bounding means 211, so when axle core 130 High Rotation Speed, make the lubricant oil between axle core 130 and bearing 120, easily by bounding means 211 directly to outer splash, cause the doubt that lubricant oil leaks outside.
Model utility content
The further improvement that the shortcoming that the utility model is the above-mentioned prior art of solution is done.
An object of the present utility model, is the leak-proof arrangement providing a kind of radiation fan, and it effectively can possess the appearance oil space between bearing and axle core, and prevents oily splash out, to increase the working life of radiation fan.
An object more of the present utility model, be to provide a kind of bounding means can strengthen and axle core area of contact, and then when allowing axle core rotate, the axis of axle core can not produce skew, more can prevent from getting loose.
Another object of the present utility model, is the leak-proof arrangement providing a kind of radiation fan, and it in making time saving working hour, can reduce costs, increase yield.
The utility model includes for the technological means reaching above-mentioned purpose and adopt: a base, and this base is provided with a bearing housing, is arranged with a bearing in this bearing housing, is provided with one and runs through groove wherein in this bearing;
One rotor set, it can be combined on base rotatably, this rotor set is provided with a wheel hub, this wheel hub centre is installed with an axle core, this axle core away from the other end of this wheel hub with the combination sleeve rotated in the groove of bearing, and the outer circumferential face of this axle core in adjacent hub centre one end is provided with the groove of an embedding;
Stator group, it is set in bearing housing periphery, this stator pack is provided with an insulating part, this insulating part inner edge is against the bounding means having a collar shape, this bounding means is resisted against bearing upper end and gos deep into bearing housing inside, and this bounding means inner side surface is provided with a flange, and this flange can be nested in axle core groove; Thus, can go deep in bearing housing because of bounding means, and be looped around axle core periphery comprehensively, strengthen and axle core area of contact, and then when allowing axle core rotate, the axis of axle core can not produce skew, prevents from getting loose, and more can prevent oil seepage object out within the bearing.
Aforementioned formation, is provided with a containing groove in the middle of this base, and this bearing housing is located in this containing groove and extends middle position vertically.
Aforementioned formation, is provided with one and runs through groove wherein in this bearing.
Aforementioned formation, this insulating part is provided with anchor ring above together in the face of one end of wheel hub, and this anchor ring stretches out centered by insulating part axle core, and this anchor ring keeps a determining deviation.
Aforementioned formation, this anchor ring just can abut with cutting an oily wall, so when axle core rotates, except bounding means can the effectively outside splash of barrier oil, more can to abut with a section oily wall by means of insulating part anchor ring and form multiple tracks and intercept face, and then reaches and guarantee do not have oil seepage object out.
Aforementioned formation, this insulating part sandwiches on silicon steel plate, and this silicon steel plate is then wound with a wire coil, and this wire coil produces magnetic force and drives rotor set to rotate after energising.
Accompanying drawing explanation
For enable, further understanding and understanding are done to the purpose of this utility model, shape design device characteristic and effect thereof, hereby coordinate accompanying drawing for embodiment, be described in detail as follows:
Fig. 1 is existing apparatus schematic diagram.
Fig. 2 is three-dimensional appearance schematic diagram of the present utility model.
Fig. 3 is perspective exploded view of the present utility model.
Fig. 4 is that members of the present utility model solid amplifies decomposing schematic representation.
Fig. 5 is compound section action schematic diagram of the present utility model.
Fig. 6 is compound section amplification decomposition figure of the present utility model.
Description of reference numerals: base 1; Containing groove 10; Bearing housing 11; Bearing 12; Groove 121; Rotor set 2; Wheel hub 20; Axle core 21; Groove 211; Flabellum 22; Cut oily wall 23; Permanent magnet 24; Stator pack 3; Insulating part 31; Anchor ring 311; Shaft of rib 312; Silicon steel plate 32; Wire coil 33; Circuit board 35; Bounding means 40; Flange 41.
Embodiment
The utility model is a kind of leak-proof arrangement of radiation fan, please refer to shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, and it is a kind of heat radiation apparatus being applied to electronic equipment mainly; This structure includes base 1, rotor set 2 and a stator group 3; Wherein this base 1 is as the use of the framework of radiation fan, be a skeleton frame in the present embodiment, a containing groove 10 is provided with in the middle of this base 1, the bearing housing 11 extended vertically is provided with in this containing groove 10, and sleeve is provided with a bearing 12 in this bearing housing 11, is provided with one in this bearing 12 and runs through groove 121 wherein.
Wherein this rotor set 2 is rotatably combined on base 1, this rotor set 2 is provided with a wheel hub 20, this wheel hub 20 periphery is provided with spiral flabellum 22 (as shown in Figure 2), this wheel hub 20 centre is installed with an axle core 21, the rotatable combination sleeve of the other end of this axle core 21 is in the groove 121 of bearing 12, and this axle core 21 is provided with the groove 211 of an embedding in one end outer circumferential face of adjacent hub 20 centre; In addition, this wheel hub 20 is provided with outward extending section of oily wall 23 vertically at adjacent shafts core 21 periphery, and this section of oily wall 23, in link spring shape (as shown in Figure 4), is then arranged with the permanent magnet 24 of a ring-type inside wheel hub 20.
Wherein, this stator pack 3 is installed with in containing groove 10, and be sheathedly incorporated into this bearing housing 11 periphery, and this stator pack 3 is provided with an insulating part 31, this insulating part 31 sandwiches on silicon steel plate 32, this silicon steel plate 32 is wound with a wire coil 33, this wire coil 33 produces magnetic force and drives rotor set 2 to rotate after energising.
A circuit board 35 is then provided with for 32 times at silicon steel plate, this insulating part 31 is provided with anchor ring 311 above together in the face of one end of wheel hub 20, this multiple tracks anchor ring 311 stretches out centered by insulating part 31 axle core, and this multiple tracks anchor ring 311 keeps a determining deviation, and this multiple tracks anchor ring 311 just can abut (as shown in Figure 6) with cutting oily wall 23, this insulating part 31 is respectively equipped with mutual symmetry and outward extending shaft of rib 312 at anchor ring 311 periphery, and these two shafts of rib 312 just coordinate with silicon steel plate 32.
Separately, against finite place piece 40 under this insulating part 31 inner edge, the collar that this bounding means 40 is formed in one, and this bounding means 40 is resisted against bearing 12 upper-end surface, can effective Limit Bearing 12, and because of bounding means 40 inner edge stepped in what extend internally, and it is inner to go deep into bearing housing 11, and this bounding means 40 is provided with a flange 41 on stepped inner side surface, this flange 41 just can in embedded axle core 21 groove 211.
Thus, can go deep in bearing housing 11 because of bounding means 40, and be looped around axle core 21 periphery comprehensively, strengthen and axle core 21 area of contact, and then when allowing axle core 21 rotate, the axis of axle core 21 can not produce skew, more can prevent from getting loose, and to be formed in one and inner edge is stepped in what extend internally because of this bounding means 40, and effectively can possess the appearance oil space between bearing 12 and axle core 21, and prevent oily splash out.
Moreover, it is combine with sleeve mode and wheel hub 20 that this axle core 21 protrudes bearing 12 one end, this wheel hub 20 is being provided with one section of oily wall 23 near axle core 21 place, this section of oily wall 23 also abuts with insulating part 31 anchor ring 311, so, when axle core 21 rotates, except bounding means 40 can the effectively outside splash of barrier oil, more can mat insulating part 31 anchor ring 311 with cut an oily wall 23 and abut and form multiple tracks and intercept face, and then reach and guarantee there is no oil seepage object out.
Via the exposure of above-mentioned preferred embodiment, design of the present utility model can improve radiation fan and make efficiency of movement, and can improve the disappearance of prior art and have special effect.Described in above, structure characteristic of the present utility model and embodiment all disclose in detail, fully demonstrate the utility model case all deeply well-off progressive executed in object and effect, has the value of industry, and be utilization not seen before on the market at present, according to Patent Law spirit described in, the utility model case meet completely creation patent important document.
But, the foregoing is only preferred embodiment of the present utility model, when not being used for limiting the scope implemented of the utility model.Namely the equalization change generally done according to the utility model claim with modify, all should still belong in scope that the utility model patent contains, sincerely please your auditor's explicit example for reference, and pray Hui Zhun, be to praying.
Claims (5)
1. a leak-proof arrangement for radiation fan, is characterized in that, comprising:
One base, this base is provided with a bearing housing, is arranged with a bearing in this bearing housing, is provided with one and runs through groove wherein in this bearing;
One rotor set, it can be combined on base rotatably, this rotor set is provided with a wheel hub, this wheel hub centre is installed with an axle core, this axle core away from the other end of this wheel hub with the combination sleeve rotated in the groove of bearing, and the outer circumferential face of this axle core in adjacent hub centre one end is provided with the groove of an embedding;
Stator group, it is set in bearing housing periphery, this stator pack is provided with an insulating part, this insulating part inner edge is against the bounding means having a collar shape, this bounding means is resisted against bearing upper end and gos deep into bearing housing inside, and this bounding means inner side surface is provided with a flange, and this flange can be nested in axle core groove.
2. the leak-proof arrangement of radiation fan as claimed in claim 1, is characterized in that, insulating part sandwiches on silicon steel plate, this silicon steel plate is wound with a wire coil.
3. the leak-proof arrangement of radiation fan as claimed in claim 1, it is characterized in that, base is provided with a containing groove, and this containing groove can accommodating stator pack.
4. the leak-proof arrangement of radiation fan as claimed in claim 1, it is characterized in that, bounding means is stepped.
5. the leak-proof arrangement of radiation fan as claimed in claim 1, is characterized in that, wheel hub is being provided with one section of oily wall near axle core place, and this section of oily wall abuts with insulating part anchor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433522.0U CN204805147U (en) | 2015-06-23 | 2015-06-23 | Radiator fan's leak protection oil structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433522.0U CN204805147U (en) | 2015-06-23 | 2015-06-23 | Radiator fan's leak protection oil structure |
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| Publication Number | Publication Date |
|---|---|
| CN204805147U true CN204805147U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520433522.0U Active CN204805147U (en) | 2015-06-23 | 2015-06-23 | Radiator fan's leak protection oil structure |
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| CN (1) | CN204805147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273856A (en) * | 2018-03-16 | 2019-09-24 | 东莞市翰硕塑胶有限公司 | Prevent fan oil leak structure |
| CN110667446A (en) * | 2015-11-30 | 2020-01-10 | 通伊欧轮胎株式会社 | Seat cushion for vehicle |
-
2015
- 2015-06-23 CN CN201520433522.0U patent/CN204805147U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667446A (en) * | 2015-11-30 | 2020-01-10 | 通伊欧轮胎株式会社 | Seat cushion for vehicle |
| CN110667446B (en) * | 2015-11-30 | 2022-03-08 | 株式会社东洋质量第一 | Seat cushion for vehicle |
| CN110273856A (en) * | 2018-03-16 | 2019-09-24 | 东莞市翰硕塑胶有限公司 | Prevent fan oil leak structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |