CN110005625A - Super thin fan structure - Google Patents

Super thin fan structure Download PDF

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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
Application number
CN201910374146.5A
Other languages
Chinese (zh)
Inventor
王金莲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Shunfu Welfare Intelligent Technology Co Ltd
Original Assignee
Suzhou Shunfu Welfare Intelligent Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Shunfu Welfare Intelligent Technology Co Ltd filed Critical Suzhou Shunfu Welfare Intelligent Technology Co Ltd
Priority to CN201910374146.5A priority Critical patent/CN110005625A/en
Publication of CN110005625A publication Critical patent/CN110005625A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0693Details or arrangements of the wiring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/601Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps

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  • 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

Super thin fan structure
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).
CN201910374146.5A 2019-05-07 2019-05-07 Super thin fan structure Pending CN110005625A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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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