CN206211809U - A kind of brush DC crossflow fan - Google Patents
A kind of brush DC crossflow fan Download PDFInfo
- Publication number
- CN206211809U CN206211809U CN201621282591.7U CN201621282591U CN206211809U CN 206211809 U CN206211809 U CN 206211809U CN 201621282591 U CN201621282591 U CN 201621282591U CN 206211809 U CN206211809 U CN 206211809U
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- bearing
- fixed
- pcb
- brush
- stator module
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Abstract
The utility model discloses a kind of brush DC crossflow fan, including stator module, rotor assembly and blower hood, the rotor assembly is made up of casing, magnet ring, rotating shaft and axle bed, rotating shaft is plugged on stator module, and the front end of stator module is connected with fixed block, the support of bearing, PCB and drive end bearing bracket；Connecting plate is further fixed on the outer face of the drive end bearing bracket, connecting plate is fixed by screws in blower hood；This brush DC crossflow fan, it is distinguished and admirable uniform for cross flow fan provides axial adjustable air-supply length, without turbulent flow, far distance, the working environment of low temperature and moisture are can reach, low noise, energy-saving design saves installing space, and the blower fan volume is small, compact conformation, electric power driving module is integrated in motor, without using power supply in addition, convenient use, can use for LVPS, motor rotation efficiency high.
Description
Technical field
The utility model is related to household refrigeration cabinet technical field, especially a kind of brush DC crossflow fan.
Background technology
Crossflow fan is called cross flow fan, and impeller is multi-blade type, oval tubular, with forward multiple wing shape blade.Impeller revolves
When turning, air-flow opened wide from impeller from enter leaf grating, through impeller internal, enter spiral case from another side leaf grating, form work gas
Stream, mobility status of the air-flow in impeller are mainly made up of impeller, air channel and the part of motor three, and impeller material is generally aluminium conjunction
Gold material, aluminum alloy impeller intensity is high, lightweight, high temperature resistant, can keep permanent steady operating and indeformable；The motor of the blower fan
Using external-rotor DC. brush-less, operation principle is the same with other motors, be using electromagnetic induction principle in the medium of magnetic field
Carry out energy exchange.But existing crossflow fan complex structure, air-supply easily causes distinguished and admirable disorder, and existing crossflow fan pair
Ambient adaptability is relatively low, installs complex.
Utility model content
The purpose of this utility model is to provide a kind of brush DC crossflow fan, and possessing axial length can be according to using
Equipment is adjusted, and air-flow can reach far distance, and without turbulent flow, air-out is uniform, and efficiency high, noise be low, lightweight, structure is tight
Gather, the advantages of installing space is small, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of brush DC crossflow fan, including it is fixed
Sub-component, rotor assembly and blower hood, the rotor assembly are made up of casing, magnet ring, rotating shaft and axle bed, magnet ring integral type set
It is connected on the inwall of casing；The rotating shaft is fixed through magnet ring and the inner chamber of casing, one end by axle bed, axle bed riveting
Connect and be fixed on casing, flat shim is provided between the contact surface of casing, also fixed between flat shim and the inwall of axle bed
Spring is installed；The other end of the rotating shaft is plugged on stator module, and the front end of stator module is connected with fixed block, fixed block
The support of bearing is fixedly connected with by bearing, the other end of the support of bearing is also provided with PCB, PCB circuits by bearing
Plate is inlaid in drive end bearing bracket, through the lead collar for having quality of rubber materials to fill on the side wall of drive end bearing bracket, in the inwall and PCB of drive end bearing bracket
Insulating part is additionally provided with the end face of wiring board；The rotating shaft is plugged in the support of bearing, and it is equal in the two-port of the support of bearing
Fixed by bearing close-fitting, the outer end of bearing is provided with shaft block ring, sealing is additionally provided with the junction of bearing and the support of bearing
Part is sealed；Connecting plate is further fixed on the outer face of the drive end bearing bracket, connecting plate is fixed by screws in blower hood
Port, and it is filled with rubber stopper with the junction of blower hood；Wind wheel, wind wheel are also equipped with the cavity of the blower hood
It is fixed in blower hood by screen, and air inlet and air outlet is correspondingly arranged on screen；The blower hood outer end
The port in face is additionally provided with bearing block, and bearing block is fixedly mounted on blower hood.
As further program of the utility model：Four grooves of stator core on the stator module are along columnar part circumference
Radially be evenly distributed with T-shaped portion, stator core in addition to the outer circumference portion in T-shaped portion, remaining position by with stator core
The insulation system cladding of integrated injection molding, and the excircle in T-shaped portion is exposed.
As further program of the utility model：The end of the stator core of the stator module by fixed block with
PCB interval setting, and arc lug is provided with around fixed block, arc lug matches with the endoporus of PCB
Close.
As further program of the utility model：Power outlet, power outlet are welded with the PCB
It is interspersed in the lead collar of drive end bearing bracket.
As further program of the utility model：Note is integrated between the fixed block and the stator core of stator module
The insulation system of modeling.
Compared with prior art, the utility model beneficial effect：
This brush DC crossflow fan, the end of the stator core of stator module is passed through between fixed block and PCB
Every setting, that is, the distance between PCB and coil windings are increased, improve the radiating of stator core and coil windings,
The influence of coil windings and stator core heating to wiring board is reduced, the service life of external rotor electric machine is extended, reduced
The scrappage of external rotor electric machine；In addition, the exhausted of integrated injection molding will be used between fixed block and the stator core of stator module
Edge structure, is firmly combined between insulation system and stator core, is easy to the coiling of coil windings, simplifies the manufacture work of motor
Skill, improves production efficiency, while ensure that the stability of product quality；For cross flow fan provides axial adjustable air-supply length
Degree, it is distinguished and admirable uniform, without turbulent flow, far distance is can reach, the working environment of low temperature and moisture, low noise, energy-saving design saves peace
Dress space, and the blower fan volume is small, compact conformation, electric power driving module is integrated in motor, without using power supply in addition,
Convenient use, can use for LVPS, motor rotation efficiency high.
Brief description of the drawings
Fig. 1 is explosive view of the present utility model；
Fig. 2 is stationary part explosive view of the present utility model；
Fig. 3 is rotor assembly explosive view of the present utility model；
Fig. 4 is overall structure front view of the present utility model；
Fig. 5 is overall structure side view of the present utility model.
In figure：1- stator modules；2- fixed blocks；3- bearings；The 4- supports of bearing；5-PCB wiring boards；6- insulating parts；Before 7-
End cap；8- lead collars；9- casings；10- magnet rings；11- axle beds；12- rotating shafts；13- seals；14- shaft block rings；15- flat shims；
16- springs；17- connecting plates；18- screws；19- rubber stoppers；20- wind wheels；21- blower hoods；22- bearing blocks；23- rotor sets
Part；24- screens；25- air inlets；26- air outlets.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-5, in the utility model embodiment, a kind of brush DC crossflow fan, including stator module 1, turn
Sub-component 23 and blower hood 21, rotor assembly 23 are made up of casing 9, magnet ring 10, rotating shaft 12 and axle bed 11, the integral type of magnet ring 10
It is socketed on the inwall of casing 9；Rotating shaft 12 is fixed through magnet ring 10 and the inner chamber of casing 9, one end by axle bed 11,
The riveting of axle bed 11 is fixed on casing 9, and flat shim 15, flat shim 15 and axle bed 11 are provided between the contact surface of casing 9
Inwall between be also installed with spring 16；The other end of rotating shaft 12 is plugged on stator module 1, determining on stator module 1
Four grooves of sub- iron core are radially evenly distributed with T-shaped portion along columnar part circumference, stator core except T-shaped portion outer circumference portion it
Outward, remaining position is by the insulation system cladding with stator core integrated injection molding, and the excircle in T-shaped portion is exposed；Stator module 1
Front end be connected with fixed block 2, be provided with arc lug around fixed block 2, the endoporus phase of arc lug and PCB 5
Coordinate, serve the effect to the radial positioning of PCB 5, and the end of the stator core of stator module 1 passes through fixed block 2
With the interval setting of PCB 5, that is, increase the distance between PCB 5 and coil windings, improve stator core and
The radiating of coil windings, reduces the influence of coil windings and stator core heating to wiring board, extends external rotor electric machine
Service life, reduce the scrappage of external rotor electric machine；In addition, by between the stator core of fixed block 2 and stator module 1
Using the insulation system of integrated injection molding, it is firmly combined between insulation system and stator core, is easy to the coiling of coil windings, is simplified
The manufacturing process of motor, improves production efficiency, while ensure that the stability of product quality；Fixed block 2 is solid by bearing 3
Surely the support of bearing 4 is connected with, the other end of the support of bearing 4 is also provided with PCB 5 by bearing 3, is welded in PCB 5
Power outlet is connected to, PCB 5 is inlaid in drive end bearing bracket 7, running through on the side wall of drive end bearing bracket 7 has what quality of rubber materials was filled
Lead collar 8, power outlet is interspersed in the lead collar 8 of drive end bearing bracket 7, in the inwall and the end face of PCB 5 of drive end bearing bracket 7
On be additionally provided with insulating part 6；The support of bearing 4 and drive end bearing bracket 7 are fixed together by riveting, are then pressed into the support of bearing 4 and are fixed
Together, close-fitting has two co-axial bearings 3 in the support of bearing 4, finally loads bearing 3；Rotating shaft 12 is plugged on bearing branch
In frame 4, it is fixed in the two-port of the support of bearing 4 by the close-fitting of bearing 3, thus realize casing and stator as rotor it
Between rotatable engagement, the outer end of bearing 3 is provided with shaft block ring 14, and sealing is additionally provided with the junction of bearing 3 and the support of bearing 4
Part 13 is sealed；Connecting plate 17 is further fixed on the outer face of drive end bearing bracket 7, connecting plate 17 is fixed on outside blower fan by screw 18
The port of cover 21, and it is filled with rubber stopper 19 with the junction of blower hood 21；Also pacify in the cavity of the blower hood 21
Equipped with wind wheel 20, wind wheel 20 is fixed in blower hood 21 by screen 24, and air inlet 25 is correspondingly arranged on screen 24
With air outlet 26；When impeller rotates, air-flow enters screen 24 from the air inlet 25 of wind wheel 20, through inside wind wheel 20, from another
Spiral case is entered at face air outlet 26, formation is operated in the mobility status in wind wheel 20；In the port of the outer face of blower hood 21
Bearing block 22 is additionally provided with, bearing block 22 is fixedly mounted on blower hood 21.
In sum：This brush DC crossflow fan, by the end of the stator core of stator module 1 by fixed block 2 with
The interval setting of PCB 5, that is, increase the distance between PCB 5 and coil windings, improves stator core and line
The radiating of winding is enclosed, the influence of coil windings and stator core heating to wiring board is reduced, external rotor electric machine is extended
Service life, reduces the scrappage of external rotor electric machine；In addition, will be adopted between the stator core of fixed block 2 and stator module 1
With the insulation system of integrated injection molding, it is firmly combined between insulation system and stator core, is easy to the coiling of coil windings, is simplified
The manufacturing process of motor, improves production efficiency, while ensure that the stability of product quality；For cross flow fan is provided axially
Adjustable air-supply length, it is distinguished and admirable uniform, without turbulent flow, can reach far distance, the working environment of low temperature and moisture, low noise, section
Can design, save installing space, and the blower fan volume is small, compact conformation, electric power driving module is integrated in motor, without in addition
Using power supply, convenient use can be used for LVPS, motor rotation efficiency high.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. a kind of brush DC crossflow fan, including stator module (1), rotor assembly (23) and blower hood (21), its feature
It is：The rotor assembly (23) is made up of casing (9), magnet ring (10), rotating shaft (12) and axle bed (11), magnet ring (10) integral type
It is socketed on the inwall of casing (9)；The rotating shaft (12) passes through axle through magnet ring (10) and the inner chamber of casing (9), one end
Seat (11) is fixed, and axle bed (11) riveting is fixed on casing (9), and plain cushion is provided between the contact surface of casing (9)
Spring (16) is also installed between the inwall of piece (15), flat shim (15) and axle bed (11)；The rotating shaft (12) it is another
End is plugged on stator module (1), and the front end of stator module (1) is connected with fixed block (2), and fixed block (2) is solid by bearing (3)
Surely the support of bearing (4) is connected with, the other end of the support of bearing (4) is also provided with PCB (5), PCB lines by bearing (3)
Road plate (5) is inlaid in drive end bearing bracket (7), through the lead collar (8) for having quality of rubber materials to fill on the side wall of drive end bearing bracket (7), preceding
Insulating part (6) is additionally provided with the inwall of end cap (7) and the end face of PCB (5)；The rotating shaft (12) is plugged on bearing branch
In frame (4), it is fixed in the two-port of the support of bearing (4) by bearing (3) close-fitting, and the outer end of bearing (3) is provided with axle gear
Circle (14), is additionally provided with seal (13) and is sealed in bearing (3) and the junction of the support of bearing (4)；The drive end bearing bracket (7)
Outer face on be further fixed on connecting plate (17), connecting plate (17) is fixed on the port of blower hood (21) by screw (18)
Place, and it is filled with rubber stopper (19) with the junction of blower hood (21)；It is also equipped with the cavity of the blower hood (21)
Wind wheel (20), wind wheel (20) is fixed in blower hood (21) by screen (24), and be correspondingly arranged on screen (24) into
Air port (25) and air outlet (26)；The port of blower hood (21) outer face is additionally provided with bearing block (22), bearing block
(22) it is fixedly mounted on blower hood (21).
2. a kind of brush DC crossflow fan according to claim 1, it is characterised in that：On the stator module (1)
Four grooves of stator core are radially evenly distributed with T-shaped portion along columnar part circumference, stator core except T-shaped portion outer circumference portion it
Outward, remaining position is by the insulation system cladding with stator core integrated injection molding, and the excircle in T-shaped portion is exposed.
3. a kind of brush DC crossflow fan according to claim 1, it is characterised in that：Stator module (1) determines
The end of sub- iron core is by fixed block (2) and PCB (5) interval setting, and it is convex to be provided with arc around fixed block (2)
Piece, arc lug is engaged with the endoporus of PCB (5).
4. a kind of brush DC crossflow fan according to claim 1, it is characterised in that：On the PCB (5)
Power outlet is welded with, power outlet is interspersed in the lead collar (8) of drive end bearing bracket (7).
5. a kind of brush DC crossflow fan according to claim 1, it is characterised in that：The fixed block (2) and stator
The insulation system of injection is integrated between the stator core of component (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282591.7U CN206211809U (en) | 2016-11-28 | 2016-11-28 | A kind of brush DC crossflow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282591.7U CN206211809U (en) | 2016-11-28 | 2016-11-28 | A kind of brush DC crossflow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211809U true CN206211809U (en) | 2017-05-31 |
Family
ID=58747565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621282591.7U Active CN206211809U (en) | 2016-11-28 | 2016-11-28 | A kind of brush DC crossflow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206211809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880097A (en) * | 2018-08-02 | 2018-11-23 | 莱克电气股份有限公司 | A kind of motor for hair care appliance |
| CN112421881A (en) * | 2020-11-02 | 2021-02-26 | 合肥珺安机电设备有限公司 | External rotor electric machine with heat dissipation function |
-
2016
- 2016-11-28 CN CN201621282591.7U patent/CN206211809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880097A (en) * | 2018-08-02 | 2018-11-23 | 莱克电气股份有限公司 | A kind of motor for hair care appliance |
| CN108880097B (en) * | 2018-08-02 | 2023-07-21 | 莱克电气股份有限公司 | Motor for hair care appliance |
| CN112421881A (en) * | 2020-11-02 | 2021-02-26 | 合肥珺安机电设备有限公司 | External rotor electric machine with heat dissipation function |
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| GR01 | Patent grant |