CN110005625A - Super thin fan structure - Google Patents
Super thin fan structure Download PDFInfo
- Publication number
- CN110005625A CN110005625A CN201910374146.5A CN201910374146A CN110005625A CN 110005625 A CN110005625 A CN 110005625A CN 201910374146 A CN201910374146 A CN 201910374146A CN 110005625 A CN110005625 A CN 110005625A
- Authority
- CN
- China
- Prior art keywords
- wiring board
- axle sleeve
- super thin
- rotor blade
- thin fan
- 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.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0693—Details or arrangements of the wiring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of super thin fan structures, including wiring board, rotor blade, magnet and stator coil, the stator coil is fixedly installed on wiring board, what rotor blade can rotate is installed on above wiring board, magnet is fixedly installed on rotor blade and is correspondingly arranged with stator coil, the wiring board is equipped with the mounting structure for fan to be fixedly connected with external device, the present invention devises the mounting structure for installing with external device in the circuit board, wiring board directly forms the bottom plate of fan outline border, so that fan reduces the thickness of a bottom plate, effectively reduce fan whole height, be conducive to the design of electronic equipment slimization, simultaneously, eliminate framework bottom plate part, also reduce fan cost of manufacture, axle sleeve is shaped on wiring board by way of in-mould injection, it is connected firmly, assembly precision is high, Manufacture easy to process.
Description
Technical field
The present invention relates to a kind of fan, in particular to a kind of super thin fan structure.
Background technique
It requires installation fan in electronic equipment to radiate, fan structure is all that wiring board is mounted on to framework knot at present
On the bottom surface of structure 15, the installation for realizing fan, the fan height of this structure are attached by frame structure and external device
It is larger, limit the thickness of electronic equipment, it is difficult to meet the design requirement that electronic equipment is thinned increasingly.
Summary of the invention
In order to overcome drawbacks described above, the present invention provides a kind of super thin fan structure, which is effectively reduced
The height of fan is conducive to the slimming design of electronic equipment.
The present invention is to solve technical solution used by its technical problem: a kind of super thin fan structure, including route
Plate, rotor blade, magnet and stator coil, the stator coil are fixedly installed on wiring board, what rotor blade can rotate
It is installed on above wiring board, magnet is fixedly installed on rotor blade and is correspondingly arranged with stator coil, sets on the wiring board
There is the mounting structure for fan to be fixedly connected with external device.
As a further improvement of the present invention, the wiring board surrounding also fixation is formed with fence structure, rotor blade, magnetic
Iron and stator coil are located in the space of fence structure cladding.
As a further improvement of the present invention, it is additionally provided with upper cover, upper cover is fixedly installed on the upside of fence structure, and upper cover is blocked
On the upside of the blade edge of rotor blade.
As a further improvement of the present invention, it is formed with mounting hole on the circuit board, is fixedly embedded at axis in mounting hole
Set, axle sleeve inside are equipped with bearing, are equipped with axle center in bearing, rotor blade is fixedly installed on axle center.
As a further improvement of the present invention, the axle sleeve is by being integrally formed on wiring board, shape on the outside of axle sleeve
At there is one end radial convex loop, it is formed with the injection molding engaging portion of annular on wiring board, is formed on the injection molding engaging portion inner sidewall interior
Recessed U-lag assembling structure, the radial convex loop just fixation on the outside of axle sleeve are embedded on wiring board in U-lag assembling structure.
As a further improvement of the present invention, the axle sleeve is the metal sleeve of upper end opening lower end closed, axle sleeve outside
Lower end is formed with the stage portion of diameter contraction, the fixed mounting hole for being inserted in wiring board of the stage portion of lower end on the outside of the axle sleeve
Interior, the step surface of axle sleeve lower end stage portion is tight against wiring board uper side surface.
As a further improvement of the present invention, the axle sleeve bottom surface is equipped with wear plate, terminates under bearing inner race and axle center
Touch wear plate surface.
As a further improvement of the present invention, the axle sleeve lower end forms the first step that upper end diameter is greater than lower end diameter
Structure, wear plate are embedded in the small one end of first step diameter of movement, and bearing is located at the big one end of first step diameter of movement
It is interior, the step surface of the outer ring of bearing tight against first step structure.
As a further improvement of the present invention, the axle sleeve upper end forms the second step that upper end diameter is greater than lower end diameter
Structure, second step structure upper end inside are fixedly embedded at fixed ring, and fixed ring is tight against bearing upper surface.
As a further improvement of the present invention, the flabellum is formed with indent slot structure towards circuit board side, and magnet is logical
Envelope magnet ring is crossed to be fixedly installed in the indent slot structure of flabellum.
The beneficial effects of the present invention are: the present invention devises the installation knot for installing with external device in the circuit board
It is whole to effectively reduce fan so that fan reduces the thickness of a bottom plate for structure, the bottom plate that wiring board directly forms fan outline border
Body height is conducive to the design of electronic equipment slimization, meanwhile, framework bottom plate part is eliminated, fan cost of manufacture is also reduced,
Axle sleeve is shaped on wiring board by way of in-mould injection, is connected firmly, and assembly precision is high, manufacture easy to process.
Detailed description of the invention
Fig. 1 is prior art construction schematic illustration;
Fig. 2 is the first structure principle chart of the invention;
Fig. 3 is wiring board and axle sleeve engaging portion enlarged drawing in Fig. 2;
Fig. 4 is second of structure principle chart of the invention;
Fig. 5 is that wiring board and axle sleeve use the engaging portion enlarged drawing being welded and fixed in Fig. 4.
Specific embodiment
Embodiment: a kind of super thin fan structure, including wiring board 1, rotor blade 2, magnet 3 and stator coil 4, it is described fixed
Subcoil 4 is fixedly installed on wiring board 1, and what rotor blade 2 can rotate is installed on 1 top of wiring board, and magnet 3 is fixedly mounted
It is correspondingly arranged on rotor blade 2 and with stator coil 4, the wiring board 1 is equipped with for fixing fan and external device
The mounting structure of connection.
It is rotated by the magnet 3 on rotor blade 2 with the interaction of stator coil 4, magnet 3 and stator coil 4 can shapes
Circlewise structure is sheathed on the outside of axle sleeve 7 and is arranged, and wiring board 1 forms the framework bottom plate of fan, directly by wiring board 1 and outside
Boundary's equipment is fixedly mounted, and the mounting structure on wiring board 1 can be installation hole location, which subtract the integrally-built height of fan
The thickness of a few bottom plate, reduces fan height, while saving the part of framework bottom plate, reduces the production cost.
1 surrounding of wiring board is also fixed to be formed with fence structure 5, and rotor blade 2, magnet 3 and stator coil 4, which are located at, to be enclosed
In the space that wall construction 5 coats.Fence structure 5 can protect rotor blade 2, magnet 3 and stator coil 4, avoid damaging
It is bad, air flow channel is also formed in fence structure 5, is conducive to be oriented to air-flow, enhances the heat dissipation effect of external device.
It is additionally provided with upper cover 6, upper cover 6 is fixedly installed in 5 upside of fence structure, and upper cover 6 blocks the blade 13 in rotor blade
On the upside of edge.Upper cover 6 can the blade to flabellum adequately protected, avoid damaging in its rotation process, while avoiding it
High speed rotation hurts external substance, and upper cover 6 can be enclosed by injection molding or be mounted on by physics modes such as screw, glue
On wall, air flow channel is collectively formed in upper cover 6 and fence structure 5, further enhances the guide effect of air flow channel.
It is formed with mounting hole on the circuit board, axle sleeve 7 is fixedly embedded in mounting hole, bearing is installed on the inside of axle sleeve 7
8, bearing 8 is interior to be equipped with axle center 9, and rotor blade 2 is fixedly installed on axle center 9.Rotor is installed by axle sleeve 7, bearing 8 and axle center 9
Flabellum 2 guarantees 2 smooth rotation of rotor blade.
The axle sleeve 7 is formed with one end radial convex loop, route by being integrally formed on wiring board 1 on the outside of axle sleeve 7
It is formed with the injection molding engaging portion 14 of annular on plate 1, the U-lag assembling structure of indent, axis are formed on the injection molding engaging portion inner sidewall
The radial convex loop just fixation in 7 outside of set is embedded on wiring board 1 in U-lag assembling structure.Axle sleeve 7 and wiring board 1 pass through injection molding one
It is body formed to be fixedly connected, it is connected firmly, and radial convex loop is set on axle sleeve 7 and realizes axial limiting, guarantees assembly precision.
The axle sleeve 7 is the metal sleeve of upper end opening lower end closed, and 7 outside lower end of axle sleeve is formed with the platform of diameter contraction
The stage portion fixation in rank portion, the 7 outside lower end of axle sleeve is inserted in the mounting hole of wiring board 1, the platform of 7 lower end stage portion of axle sleeve
Terrace is tight against 1 uper side surface of wiring board.Axle sleeve 7 can also be realized with wiring board 1 by being welded and fixed by interference fit
It is fixed, it can also be fastened by buckle structure and be fixed by connector.
7 bottom surface of axle sleeve is equipped with wear plate 10, lower 10 surface of end in contact wear plate of 8 inner ring of bearing and axle center 9.Pass through
Setting wear plate 10 is contacted with 8 inner ring of bearing and axle center 9, avoids 8 inner ring of bearing and axle center 9 from wearing 7 bottom surface of axle sleeve when rotating, has
Conducive to raising whole service life.
7 lower end of axle sleeve forms the first step structure that upper end diameter is greater than lower end diameter, and wear plate 10 is embedded at the
In the small one end of one step structure diameter, bearing 8 is located in the big one end of first step diameter of movement, the outer ring of bearing 8 tight against
The step surface of first step structure.Wear plate 10 and bearing 8 are installed and limited by first step structure, guarantee installation accuracy.
7 upper end of axle sleeve forms the second step structure that upper end diameter is greater than lower end diameter, second step structure upper end
Inside is fixedly embedded at fixed ring 11, and fixed ring 11 is tight against 8 upper surface of bearing.8 axial limiting of bearing is realized by fixed ring 11
Installation, the structure are easily installed and dismantle.
The flabellum is formed with indent slot structure towards circuit board side, and magnet 3 is fixedly installed in fan by sealing magnet ring 12
In the indent slot structure of leaf.The structure is conducive to the stable position to magnet 3.
Claims (10)
1. a kind of super thin fan structure, it is characterised in that: including wiring board (1), rotor blade (2), magnet (3) and stator coil
(4), the stator coil is fixedly installed on wiring board, and what rotor blade can rotate is installed on above wiring board, and magnet is solid
Loaded on being correspondingly arranged on rotor blade and with stator coil, the wiring board is equipped with for consolidating fan and external device for Dingan County
Surely the mounting structure connected.
2. super thin fan structure according to claim 1, it is characterised in that: the wiring board surrounding also fixed be formed with is enclosed
Wall construction (5), rotor blade, magnet and stator coil are located in the space of fence structure cladding.
3. super thin fan structure according to claim 1 or 2, it is characterised in that: be additionally provided with upper cover (6), the fixed peace of upper cover
Loaded on the upside of fence structure, upper cover is blocked on the upside of blade (13) edge of rotor blade.
4. super thin fan structure according to claim 1, it is characterised in that: be formed with mounting hole on the circuit board, pacify
Dress is fixedly embedded at axle sleeve (7) in hole, is equipped with bearing (8) on the inside of axle sleeve, is equipped with axle center (9) in bearing, rotor blade is fixed
It is installed on axle center.
5. super thin fan structure according to claim 4, it is characterised in that: the axle sleeve is by being integrally formed in line
On the plate of road, it is formed with one end radial convex loop on the outside of axle sleeve, the injection molding engaging portion (14) of annular, the injection molding knot are formed on wiring board
The U-lag assembling structure of indent is formed on conjunction portion inner sidewall, the just fixation of the radial convex loop on the outside of axle sleeve is embedded at U-shaped on wiring board
In slot assembling structure.
6. super thin fan structure according to claim 4, it is characterised in that: the axle sleeve is upper end opening lower end closed
Metal sleeve, lower end is formed with the stage portion of diameter contraction on the outside of axle sleeve, and the stage portion fixation of lower end plugs on the outside of the axle sleeve
In in the mounting hole of wiring board, the step surface of axle sleeve lower end stage portion is tight against wiring board uper side surface.
7. super thin fan structure according to claim 4, it is characterised in that: the axle sleeve bottom surface is equipped with wear plate
(10), end in contact wear plate surface under bearing inner race and axle center.
8. super thin fan structure according to claim 7, it is characterised in that: the axle sleeve lower end forms upper end diameter and is greater than
The first step structure of lower end diameter, wear plate are embedded in the small one end of first step diameter of movement, and bearing is located at First
In the big one end of stage structure diameter, the step surface of the outer ring of bearing tight against first step structure.
9. super thin fan structure according to claim 7, it is characterised in that: the axle sleeve upper end forms upper end diameter and is greater than
The second step structure of lower end diameter, second step structure upper end inside are fixedly embedded at fixed ring (11), and fixed ring is tight against axis
Hold upper surface.
10. super thin fan structure according to claim 1, it is characterised in that: the flabellum is formed towards circuit board side
There is indent slot structure, magnet is fixedly installed in the indent slot structure of flabellum by sealing magnet ring (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910374146.5A CN110005625A (en) | 2019-05-07 | 2019-05-07 | Super thin fan structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910374146.5A CN110005625A (en) | 2019-05-07 | 2019-05-07 | Super thin fan structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110005625A true CN110005625A (en) | 2019-07-12 |
Family
ID=67175923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910374146.5A Pending CN110005625A (en) | 2019-05-07 | 2019-05-07 | Super thin fan structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110005625A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2444268Y (en) * | 2000-08-22 | 2001-08-22 | 庄文豪 | Double axle sleeve type heat radiating fan |
CN200941724Y (en) * | 2006-08-30 | 2007-08-29 | 建凖电机工业股份有限公司 | Thin-type radiator |
CN102025216A (en) * | 2009-09-15 | 2011-04-20 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
CN201865944U (en) * | 2010-12-02 | 2011-06-15 | 苏州聚力电机有限公司 | Combined structure of heat-radiating fan |
CN203948322U (en) * | 2014-06-09 | 2014-11-19 | 郭毅 | A kind of radiation fan that can be luminous |
CN104675741A (en) * | 2013-12-03 | 2015-06-03 | 王炳麟 | Integrated structural body of thin cooling fan frame and manufacturing method thereof |
CN106567840A (en) * | 2016-11-01 | 2017-04-19 | 东莞永立电机有限公司 | Thin brushless direct-current fan |
CN210127956U (en) * | 2019-05-07 | 2020-03-06 | 苏州顺福利智能科技有限公司 | Ultra-thin fan structure |
-
2019
- 2019-05-07 CN CN201910374146.5A patent/CN110005625A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2444268Y (en) * | 2000-08-22 | 2001-08-22 | 庄文豪 | Double axle sleeve type heat radiating fan |
CN200941724Y (en) * | 2006-08-30 | 2007-08-29 | 建凖电机工业股份有限公司 | Thin-type radiator |
CN102025216A (en) * | 2009-09-15 | 2011-04-20 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
CN201865944U (en) * | 2010-12-02 | 2011-06-15 | 苏州聚力电机有限公司 | Combined structure of heat-radiating fan |
CN104675741A (en) * | 2013-12-03 | 2015-06-03 | 王炳麟 | Integrated structural body of thin cooling fan frame and manufacturing method thereof |
CN203948322U (en) * | 2014-06-09 | 2014-11-19 | 郭毅 | A kind of radiation fan that can be luminous |
CN106567840A (en) * | 2016-11-01 | 2017-04-19 | 东莞永立电机有限公司 | Thin brushless direct-current fan |
CN210127956U (en) * | 2019-05-07 | 2020-03-06 | 苏州顺福利智能科技有限公司 | Ultra-thin fan structure |
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