CN102230474B - Waterproof and dustproof fan - Google Patents
Waterproof and dustproof fan Download PDFInfo
- Publication number
- CN102230474B CN102230474B CN 201110176658 CN201110176658A CN102230474B CN 102230474 B CN102230474 B CN 102230474B CN 201110176658 CN201110176658 CN 201110176658 CN 201110176658 A CN201110176658 A CN 201110176658A CN 102230474 B CN102230474 B CN 102230474B
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- post
- diameter end
- jack
- plug
- bearing
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a waterproof and dustproof fan. The waterproof and dustproof fan comprises a seat body (1), a rotating fan blade (2), a magnetic ring (3), two bearings (41 and 42), a clamp spring (5), a stator component (6) and a plug (7), wherein the seat body (1) is provided with an internal shaft column (11) and an external shaft column (12); an annular cavity (15) is formed between the internal shaft column (11) and the external shaft column (12); the rotating fan blade (2) comprises a columnar wall (20), blades (24), and the large diameter end (22) and the small diameter end (21) of a stepped shaft which is coaxial with the columnar wall (20); an annular groove (23) is formed at the small diameter end (21); the magnetic ring (3) is fixed on the inner side of the columnar wall (20) and sleeved on the external shaft column (12); an annular convex block (18) is arranged in the internal shaft column (11); the two bearings (41 and 42) are sleeved at the small diameter end (21), embedded into the internal hole of the internal shaft column (11) and positioned on the two sides of the annular convex block (18); the clamp spring (5) is clamped and fixed on the annular groove (23); the winding of the stator component (6) is positioned in the annular cavity (15); and the opening end of the annular cavity (15) is sealed by the plug (7). The waterproof and dustproof fan can be applied to the field of fans.
Description
Technical field
The present invention relates to a kind of water proof and dust proof fan.
Background technique
LED has long advantage of luminous efficiency height, power saving and life-span, and its application is more and more extensive.LED is applied to normal lighting, in order to reach illumination requirement, generally a plurality of power-type LEDs to be concentrated on the light fixture and use, therefore the heat radiation of LED becomes affects LED light fixture use state and a key factor in life-span, especially for high-power LED lamp, heat dissipation problem has become a technical bottleneck that affects its extensive use.Existing LED light fixture all belongs to passive heat radiation, namely radiating fin or the similar device by radiator dispels the heat, in order to improve radiating effect, need to increase heat diffusion area as far as possible, cause thus existing LED light fixture overall volume generally larger, radiating structure is complicated, and its radiating effect and unsatisfactory.The applicant once was applied to radiation fan so that compulsory active heat removal to be provided, obtain good radiating effect in the LED light fixture.For the larger light fixture of industrial and mining lamp constant power, in order further to improve radiating effect, often it is made open structure, therefore cause the waterproof and dustproof weak effect, for the light fixture with radiation fan, if circuit part has possessed the effect of waterproof and dustproof, if radiation fan has the waterproof and dustproof effect, then whole light fixture just can directly apply in the open environment.Except the radiation fan in the above-mentioned LED light fixture, the small-sized heat radiating fan in other electronic product has the requirement of waterproof and dustproof equally.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of simple in structure, cost is low, the water proof and dust proof effect is good water proof and dust proof fan is provided.
The technical solution adopted in the present invention is: the present invention includes pedestal, rotate flabellum, magnet ring, clutch shaft bearing, the second bearing, jump ring, stator module, described water proof and dust proof fan also comprises plug, the center of described pedestal is provided with the interior jack-post with endoporus, stair-stepping outer jack-post, form the annular housing of end sealing between described interior jack-post and the described outer jack-post, described rotation flabellum comprises the cylindrical wall of end sealing, the blade that several are connected with the described cylindrical wall outside, bigger diameter end with the coaxial multidiameter shaft of described cylindrical wall, miner diameter end, described miner diameter end is provided with circular groove, described magnet ring is fixed on the inboard of described cylindrical wall and is placed in the periphery of described outer jack-post, the inboard of described interior jack-post is provided with annular lug in axial middle part, described clutch shaft bearing, described the second bearing all is socketed on the described miner diameter end and embeds the endoporus of described interior jack-post and lay respectively at the both sides of described annular lug, described jump ring connects and fixes on described circular groove, described clutch shaft bearing is axially carrying out axial limiting by described bigger diameter end and described annular lug, described the second bearing is axially carrying out axial limiting by described annular lug and described jump ring, the winding of described stator module is positioned at described annular housing, and described plug is with the opening end sealing of described annular housing.
The madial wall of described outer jack-post is provided with at least two draw-in grooves in the open end of described annular housing, and described plug is provided with at least two inserted parts, described inserted part and the suitable clamping of described draw-in groove.
Perhaps, the opening end of described plug and described annular housing is threaded connection and seals.
Described pedestal is provided with some connecting tendons and is connected with described outer jack-post.
Described connecting tendon is provided with wire casing and electric wire gear.
The invention has the beneficial effects as follows: because the center of pedestal of the present invention is provided with the interior jack-post with endoporus, stair-stepping outer jack-post, form the annular housing of end sealing between described interior jack-post and the described outer jack-post, described rotation flabellum comprises the cylindrical wall of end sealing, the blade that several are connected with the described cylindrical wall outside, bigger diameter end with the coaxial multidiameter shaft of described cylindrical wall, miner diameter end, described miner diameter end is provided with circular groove, described magnet ring is fixed on the inboard of described cylindrical wall and is placed in the periphery of described outer jack-post, the inboard of described interior jack-post is provided with annular lug in axial middle part, described clutch shaft bearing, described the second bearing all is socketed on the described miner diameter end and embeds the endoporus of described interior jack-post and lay respectively at the both sides of described annular lug, described jump ring connects and fixes on described circular groove, described clutch shaft bearing is axially carrying out axial limiting by described bigger diameter end and described annular lug, described the second bearing is axially carrying out axial limiting by described annular lug and described jump ring, the winding of described stator module is positioned at described annular housing, described plug is with the opening end sealing of described annular housing, the present invention is on the basis of existing fan, increase described plug, and connection and the modes of emplacement of stationary part and attachment portion thereof have been improved, place by the winding with described stator module in the described annular housing of end sealing, and by the opening end sealing of described plug with described annular housing, so that described stator module is in the airtight environment, stator can be avoided the intrusion of water and dust, and, the described cylindrical wall of one end sealing is with described clutch shaft bearing, the rotating shaft of described the second bearing and fan---also be closed with the described miner diameter end of the coaxial multidiameter shaft of described cylindrical wall, part also can be avoided the intrusion of water and dust so that be rotatably assorted, whole fan is in water proof and dust proof, accomplish that structure is small and exquisite, with low cost, so the present invention is simple in structure, cost is low, the water proof and dust proof effect is good.
Description of drawings
Fig. 1 is the blast structural representation of the embodiment of the invention;
Fig. 2 is the perspective view of the embodiment of the invention;
Fig. 3 is the Facad structure schematic representation of the embodiment of the invention;
Fig. 4 is A-A cross-sectional configuration schematic representation shown in Figure 3.
Embodiment
Such as Fig. 1～shown in Figure 4, the water proof and dust proof fan of present embodiment comprises pedestal 1, rotate flabellum 2, magnet ring 3, clutch shaft bearing 41, the second bearing 42, jump ring 5, stator module 6, plug 7, the center of described pedestal 1 is provided with the interior jack-post 11 with endoporus, stair-stepping outer jack-post 12, form the annular housing 15 of end sealing between described interior jack-post 11 and the described outer jack-post 12, described pedestal 1 is provided with four connecting tendons 16 and is connected with described outer jack-post 12, described connecting tendon 16 is provided with wire casing 17 and electric wire gear 14, so that lay electric wire, described rotation flabellum 2 comprises the cylindrical wall 20 of end sealing, the blade 24 that several are connected with described cylindrical wall 20 outsides, bigger diameter end 22 with the coaxial multidiameter shaft of described cylindrical wall 20, miner diameter end 21, described miner diameter end 21 is provided with circular groove 23, described magnet ring 3 is fixed on the inboard of described cylindrical wall 20 and is placed in the periphery of described outer jack-post 12, the inboard of described interior jack-post 11 is provided with annular lug 18 in axial middle part, described clutch shaft bearing 41, described the second bearing 42 all is socketed on the described miner diameter end 21 and embeds the endoporus of described interior jack-post 11 and lay respectively at the both sides of described annular lug 18, described jump ring 5 connects and fixes on described circular groove 23, described clutch shaft bearing 41 is axially carrying out axial limiting by described bigger diameter end 22 and described annular lug 18, described the second bearing 42 is axially carrying out axial limiting by described annular lug 18 and described jump ring 5, the winding of described stator module 6 is positioned at described annular housing 15, described plug 7 is with the opening end sealing of described annular housing 15, the madial wall of described outer jack-post 12 is provided with three draw-in grooves 13 in the open end of described annular housing 15, described plug 7 is provided with three inserted parts 71, described inserted part 71 and described draw-in groove 13 suitable clampings, certainly, described inserted part 71 can minimumly be two with the quantity of described draw-in groove 13, and described plug 7 also can be threaded connection and seal or adopt the alternate manner sealings such as gluing with the opening end of described annular housing 15.
The present invention is on the basis of existing fan, increase described plug 7, and connection and the modes of emplacement of stationary part and attachment portion thereof have been improved, place by the winding with described stator module 6 in the described annular housing 15 of end sealing, and by the opening end sealing of described plug 7 with described annular housing 15, so that described stator module 6 is in the airtight environment, stator can be avoided the intrusion of water and dust, and, the described cylindrical wall 20 of one end sealing is with described clutch shaft bearing 41, the rotating shaft of described the second bearing 42 and fan---also be closed with the described miner diameter end 21 of the coaxial multidiameter shaft of described cylindrical wall 20, so that the rotating shaft part also can be avoided the intrusion of water and dust, so that when whole fan water proof and dust proof, accomplish that structure is small and exquisite, with low cost, so the present invention is simple in structure, cost is low, the water proof and dust proof effect is good.
The present invention can be widely used in the LED lighting field.
Claims (5)
1. water proof and dust proof fan, comprise pedestal (1), rotate flabellum (2), magnet ring (3), clutch shaft bearing (41), the second bearing (42), jump ring (5), stator module (6), it is characterized in that: described water proof and dust proof fan also comprises plug (7), the center of described pedestal (1) is provided with the interior jack-post (11) with endoporus, stair-stepping outer jack-post (12), form the annular housing (15) of end sealing between described interior jack-post (11) and the described outer jack-post (12), described rotation flabellum (2) comprises the cylindrical wall (20) of end sealing, the blade (24) that several are connected with described cylindrical wall (20) outside, bigger diameter end (22) with the coaxial multidiameter shaft of described cylindrical wall (20), miner diameter end (21), described miner diameter end (21) is provided with circular groove (23), described magnet ring (3) is fixed on the inboard of described cylindrical wall (20) and is placed in the periphery of described outer jack-post (12), the inboard of described interior jack-post (11) is provided with annular lug (18) in axial middle part, described clutch shaft bearing (41), it is upper and embed the endoporus of described interior jack-post (11) and lay respectively at the both sides of described annular lug (18) that described the second bearing (42) all is socketed on described miner diameter end (21), described jump ring (5) connects and fixes on described circular groove (23), described clutch shaft bearing (41) is axially carrying out axial limiting by described bigger diameter end (22) and described annular lug (18), described the second bearing (42) is axially carrying out axial limiting by described annular lug (18) and described jump ring (5), the winding of described stator module (6) is positioned at described annular housing (15), and described plug (7) is with the opening end sealing of described annular housing (15).
2. water proof and dust proof fan according to claim 1, it is characterized in that: the madial wall of described outer jack-post (12) is provided with at least two draw-in grooves (13) in the open end of described annular housing (15), described plug (7) is provided with at least two inserted parts (71), described inserted part (71) and the suitable clamping of described draw-in groove (13).
3. water proof and dust proof fan according to claim 1 is characterized in that: described plug (7) is threaded connection and seals with the opening end of described annular housing (15).
4. water proof and dust proof fan according to claim 1, it is characterized in that: described pedestal (1) is provided with some connecting tendons (16) and is connected with described outer jack-post (12).
5. water proof and dust proof fan according to claim 4 is characterized in that: described connecting tendon (16) is provided with wire casing (17) and electric wire gear (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110176658 CN102230474B (en) | 2011-06-28 | 2011-06-28 | Waterproof and dustproof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110176658 CN102230474B (en) | 2011-06-28 | 2011-06-28 | Waterproof and dustproof fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102230474A CN102230474A (en) | 2011-11-02 |
| CN102230474B true CN102230474B (en) | 2013-03-27 |
Family
ID=44843071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110176658 Expired - Fee Related CN102230474B (en) | 2011-06-28 | 2011-06-28 | Waterproof and dustproof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102230474B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205173078U (en) * | 2015-11-19 | 2016-04-20 | 广东美的环境电器制造有限公司 | Case fan back net and case fan |
| CN105914932A (en) * | 2016-06-14 | 2016-08-31 | 杨伟平 | Waterproof dustproof device of external rotor direct-current brushless motor heat dissipation fan |
| CN108180155A (en) * | 2018-03-15 | 2018-06-19 | 广东金莱特电器股份有限公司 | A kind of portable fan with pressuring line structure |
| CN112177986B (en) * | 2019-07-03 | 2022-10-25 | 酷基因科技有限公司 | Fan device and light-emitting mask structure thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338522Y (en) * | 1998-05-19 | 1999-09-15 | 曾永昌 | Axial-flow fan with improved structure |
| WO2011035636A1 (en) * | 2009-09-25 | 2011-03-31 | Liu Ching-Tang | Non-contact dust-proof structure for heat dissipating fan |
| CN202132257U (en) * | 2011-06-28 | 2012-02-01 | 广州南科集成电子有限公司 | Waterproof and dustproof fan |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004341669A (en) * | 2003-05-14 | 2004-12-02 | Toshiba Home Technology Corp | Cooling device |
-
2011
- 2011-06-28 CN CN 201110176658 patent/CN102230474B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338522Y (en) * | 1998-05-19 | 1999-09-15 | 曾永昌 | Axial-flow fan with improved structure |
| WO2011035636A1 (en) * | 2009-09-25 | 2011-03-31 | Liu Ching-Tang | Non-contact dust-proof structure for heat dissipating fan |
| CN202132257U (en) * | 2011-06-28 | 2012-02-01 | 广州南科集成电子有限公司 | Waterproof and dustproof fan |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004－341669A 2004.12.02 |
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| Publication number | Publication date |
|---|---|
| CN102230474A (en) | 2011-11-02 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130327 Termination date: 20210628 |