CN204517613U - External rotor motor - Google Patents
External rotor motor Download PDFInfo
- Publication number
- CN204517613U CN204517613U CN201520117638.3U CN201520117638U CN204517613U CN 204517613 U CN204517613 U CN 204517613U CN 201520117638 U CN201520117638 U CN 201520117638U CN 204517613 U CN204517613 U CN 204517613U
- Authority
- CN
- China
- Prior art keywords
- cover body
- housing
- external
- cage
- rotor
- 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.)
- Withdrawn - After Issue
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000002955 isolation Methods 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 45
- 230000002093 peripheral effect Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000009421 internal insulation Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
An outer rotor motor is used for solving the problem that the service life of an existing outer rotor is short. The outer rotor motor includes an isolation cover, a stator, a rotor and a bearing set. The isolation cover is made of insulating materials and comprises a first cover body and a second cover body. The stator comprises an iron core and a base, and the base is arranged between the iron core and the second cover body. The rotor comprises a rotating shaft, a permanent magnet and a hub, the rotating shaft is rotatably combined with the iron core, the hub and the iron core are arranged between the first cover body and the second cover body, the hub is combined on the periphery of the rotating shaft, the permanent magnet group is combined on the inner wall of the hub, and the permanent magnet group is formed between the iron core and the hub. The bearing set comprises a shaft tube and at least one bearing, the shaft tube is arranged on the base, the at least one bearing is combined inside the shaft tube, and the rotating shaft of the rotor is combined with the at least one bearing of the bearing set.
Description
Technical field
The utility model is about a kind of external-rotor motor, especially a kind of external-rotor motor with cage.
Background technology
Please refer to shown in Fig. 1, it is the existing external-rotor motor 9 of open another kind, this external-rotor motor 9 comprises stator 91, rotor 92 and a pedestal 93, this stator 91 directly or indirectly can be incorporated into this pedestal 93, this rotor 92 comprises rotating shaft 921 and a wheel hub 922, this rotating shaft 921 is rotatably incorporated into this stator 91 central authorities, and this wheel hub 922 is incorporated into this rotating shaft 921.Whereby, this wheel hub 922 can in conjunction with a permanent magnet group 923, and this permanent magnet group 923 is formed between this stator 91 and this wheel hub 922.By formation one air gap between this permanent magnet group 923 and this stator 91, after this stator 91 is energized, this rotor 92 can be driven relatively to rotate.
But, in the use procedure of this existing external-rotor motor 9, this stator 91 is be held in fixed position with this pedestal 93, and this rotor 92 must continue to rotate, therefore except between this permanent magnet group 923 and this stator 91 by except maintenance one air gap, also keep spacing between this wheel hub 922 and this pedestal 93.Accordingly, aqueous vapor or foreign matter may invade this external-rotor motor 9 via the gap between this rotor 92 and this stator 91 or pedestal 93 inner, easily cause this external-rotor motor 9 internal structure to be oxidized or damage, and then reduce the useful life of this external-rotor motor 9.
In view of this, because the component such as stator 91 grade of above-mentioned existing external-rotor motor 9 inside cannot be mutually isolated with the external world, cause internal structure easily to make moist oxidation or damage, therefore existing external-rotor motor 9 have shorter problem in useful life, really has necessity of improvement further.
Utility model content
The utility model is to provide a kind of external-rotor motor, can by two-piece cage with complete coated certain son, guarantee this stator and the external world mutually isolated, therefore can effectively block aqueous vapor or foreign matter, to provide external-rotor motor internal structure preferably moistureproof or dust-proof effect person.
The utility model external-rotor motor one embodiment comprises a cage, a stator, a rotor and a bearing group.This this cage is made up of isolation material, and this cage comprises one first cover body and one second cover body.This stator pack is containing an iron core and a pedestal, and this pedestal is arranged between this iron core and this second cover body.This rotor comprises a rotating shaft, a permanent magnet and a wheel hub, this rotating shaft is rotatably incorporated into this iron core, this wheel hub and this iron core are arranged between this first cover body and this second cover body, this wheel hub is incorporated into this rotating shaft periphery, this permanent magnet group is incorporated into the inwall of this wheel hub, and this permanent magnet group is formed between this iron core and this wheel hub.This bearing group comprises a central siphon and at least one bearing, and this central siphon is arranged at this pedestal, and it is inner that this at least one bearing is incorporated into this central siphon, and the rotating shaft of this rotor is incorporated at least one bearing of this bearing group.In addition, the iron core of this stator can be incorporated into this central siphon periphery.
External-rotor motor as above, wherein, this pedestal goes out a circuit holding part in this cage internal insulation, and this circuit holding part is formed between this pedestal and this second cover body.
External-rotor motor as above, wherein, this circuit holding part is in order to arrange the drive circuit board of motor, electronic control module or power conversion unit.
External-rotor motor as above, wherein, this second cover body is formed with this first cover body and is combined removably.
External-rotor motor as above, wherein, this pedestal extends between this first cover body and this second cover body along the radial direction of this external-rotor motor, makes this first cover body and this second cover body jointly grip this pedestal.
External-rotor motor as above, wherein, this pedestal is provided with an extension, and this extension extends along the axial direction of this external-rotor motor towards this first cover body or this second cover body.
The utility model external-rotor motor another execute example and also comprise a cage, a stator, a rotor and a bearing group.This cage is made up of isolation material, and this cage comprises one first cover body and one second cover body.This stator pack is containing an iron core.This rotor comprises a rotating shaft, a permanent magnet and a wheel hub, this rotating shaft is rotatably incorporated into this iron core, this wheel hub and this iron core are arranged between this first cover body and this second cover body, this wheel hub is incorporated into this rotating shaft periphery, this permanent magnet group is incorporated into the inwall of this wheel hub, and this permanent magnet group is formed between this iron core and this wheel hub.This bearing group comprises a central siphon and at least one bearing, and this central siphon is arranged at this second cover body, and it is inner that this at least one bearing is incorporated into this central siphon, and the rotating shaft of this rotor is incorporated at least one bearing of this bearing group.In addition, the iron core of this stator can be incorporated into this central siphon periphery.
External-rotor motor as above, wherein, one end of this central siphon this second cover body contiguous is in conjunction with a gag.
The external-rotor motor of each embodiment of the utility model, wherein, this first cover body and this second cover body comprise a baseplate part respectively, and respectively this baseplate part extends along the radial direction of this external-rotor motor.In addition, if this central siphon is that when being arranged at this second cover body, this central siphon can be arranged at the baseplate part of this second cover body.
External-rotor motor as above, wherein, the baseplate part of this first cover body connects a peripheral wall, and the peripheral wall of this first cover body extends along the axial direction of this motor towards this second cover body; Or the baseplate part of this second cover body connects a peripheral wall, the peripheral wall of this second cover body extends along the axial direction of this motor towards this first cover body.
External-rotor motor as above, wherein, the baseplate part of this first cover body is provided with this peripheral wall, and this second cover body forms a tabular cover body; Or the baseplate part of this second cover body is provided with this peripheral wall, this first cover body forms a tabular cover body; Or the baseplate part of this first cover body and the baseplate part of this second cover body are provided with this peripheral wall.
The external-rotor motor of each embodiment of the utility model, wherein, separately comprises a metal-back, and it is inner that this cage is placed in this metal-back.
External-rotor motor as above, wherein, this metal-back comprises one first housing and one second housing, this first housing is in order to the first cover body of this cage coated and the second cover body, this first housing forms an openend in the position of this second cover body, and this second housing is incorporated into this first housing removably, in order to close the openend of this first housing; Or, this metal-back comprises one first housing and one second housing, this second housing is in order to the first cover body of this cage coated and the second cover body, this second housing forms an openend in the position of this first cover body, and this first housing is incorporated into this second housing removably, in order to close the openend of this second housing.
External-rotor motor as above, wherein, this first housing and the second housing form a hollow cover body respectively, and this first housing one openend is relative shape with an openend of this second housing, this first housing and this second housing be combined with each other, with the first cover body of this cage coated jointly and the second cover body.
External-rotor motor as above, wherein, this metal-back comprises one first housing and two cappings, and this first housing is the hollow cylinder that two ends have opposed open, first cover body of this first housing this cage coated and the second cover body, and two end openings of this first housing are respectively in conjunction with a capping.
The external-rotor motor of each embodiment of the utility model, wherein, the first cover body central authorities of this cage are provided with a perforation, and one end of this rotating shaft this first cover body contiguous stretches through out via this perforation the outside of this cage.
External-rotor motor as above, wherein, this first cover body separately comprises a sealing ring, and sealing ring is incorporated into this perforation periphery.
External-rotor motor as above, wherein, the second cover body central authorities of this cage are also provided with a perforation, and one end of this rotating shaft this second cover body contiguous stretches through out via the perforation of this second cover body the outside of this cage.
External-rotor motor as above, wherein, this first cover body separately comprises a sealing ring, and sealing ring is incorporated into the perforation periphery of this first cover body, and this second cover body separately comprises a sealing ring, and the sealing ring of this second cover body is incorporated into the perforation periphery of this second cover body.
The external-rotor motor of each embodiment of the utility model, wherein, this first cover body and this second cover body by locking, buckle, tight fit, to screw togather or the mode such as joggle be combined with each other.
It can thus be appreciated that, the utility model external-rotor motor is by above-mentioned cage, this isolation can be made to cover in coated said stator on radial direction and axial direction, guarantee that this cage can by this stator and the external world be mutually isolated and effectively to prevent aqueous vapor or foreign matter from invading this external-rotor motor inner, to reach the effect in the useful life extending external-rotor motor.
Accompanying drawing explanation
Fig. 1 is the assembled sectional view of existing external-rotor motor.
Fig. 2 is the cross-sectional schematic of the utility model external-rotor motor first embodiment.
Fig. 3 is the cross-sectional schematic of the utility model external-rotor motor second embodiment.
Fig. 4 is the cross-sectional schematic of the utility model external-rotor motor the 3rd embodiment.
Fig. 5 is the cross-sectional schematic of the utility model external-rotor motor the 4th embodiment.
Fig. 6 is the enforcement aspect that the utility model external-rotor motor embodiment comprises a metal-back.
Fig. 7 is another enforcement aspect that the utility model external-rotor motor embodiment comprises a metal-back.
Fig. 8 is the enforcement aspect again that the utility model external-rotor motor embodiment comprises a metal-back.
(the utility model)
1 cage
11 first cover bodies 111 are bored a hole
112 sealing ring 12 second cover bodies
121 perforation 122 sealing rings
13 airtight circles
2 stators
21 iron core 22 coils
23 pedestal 231 extensions
3 rotors
31 rotating shaft 32 permanent magnet groups
33 wheel hubs
4 bearing group
41 central siphon 42 bearings
43 gags
5 drive circuit boards
6 metal-backs
61 first housing 62 second housings
63 capping 631 screws
B1 baseplate part B2 peripheral wall
R circuit holding part P keeper
(prior art)
9 external-rotor motors
91 stators
92 rotor 921 rotating shafts
922 wheel hub 923 permanent magnet groups
93 pedestals.
Embodiment
For above-mentioned and other object of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and coordinate accompanying drawing, be described in detail below:
Please refer to shown in Fig. 2, the external-rotor motor of the utility model first embodiment comprises cage 1, stator 2 and a rotor 3.It is inner that this stator 2 and this rotor 3 are arranged at this cage 1.Wherein this cage 1 can in conjunction with this stator 2 and this rotor 3, and this stator 2 rotates start in order to drive this rotor 3.
This cage 1 can be made up of isolation material (such as: plastic cement), and this cage 1 is two-piece cover body, and described two-piece cover body can be two hollow cover bodies, or is a hollow cover body and a tabular cover body.In details of the words, this cage 1 comprises one first cover body 11 and one second cover body 12, and this first cover body 11 and this second cover body 12 can be combined with each other to form this cage 1.This cage 1 can be the various structural design that can combine for said stator 2 and above-mentioned rotor 3, and the utility model is not limited the face shaping of this cage 1.This first cover body 11 and this second cover body 12 can by locking, buckle, tight fit, to screw togather or the mode such as joggle be combined with each other.
This stator 2 comprises an iron core 21, and this iron core 21 periphery can be arranged with coil 22.This iron core 21 is arranged between this first cover body 11 and this second cover body 12, makes this stator 2 can be incorporated into this cage 1 inner.Whereby, the first cover body 11 of this cage 1 and the second cover body 12 can complete this stators 2 coated; Preferably, the face shaping of this first cover body 11 respectively can comprise a baseplate part B1, this baseplate part B1 can extend along the radial direction of this external-rotor motor, this baseplate part B1 periphery can connect a peripheral wall B2, this peripheral wall B2 extends towards this second cover body 12 along the axial direction of this external-rotor motor from this baseplate part B1, make this first cover body 11 in analysing and observe on direction shown in Fig. 2, its cross section can be roughly the hollow cover body of " ㄇ " font.In the present embodiment, this second cover body 12 comprises a baseplate part B1 equally, the baseplate part B1 of this second cover body 12 can extend along the radial direction of this external-rotor motor, but, the baseplate part B1 of this second cover body 12 does not connect any peripheral wall, this second cover body 12 is made to form a tabular cover body, this first cover body 11 is spaced by the peripheral wall B2 of this first cover body 11 with the baseplate part B1 of this second cover body 12, make to form a spacing between the baseplate part B1 of this first cover body 11 and this second cover body 12, the hollow cover body that this second cover body 12 still can be formed with this first cover body 11 is this stator 2 coated jointly, and the baseplate part B1 of this second cover body 12 can be incorporated into the peripheral wall B2 of this first cover body 11 by buckle.
In like manner, in the enforcement aspect of the utility model part, the baseplate part B1 periphery of this second cover body 12 can connect a peripheral wall, and this peripheral wall extends towards this first cover body 11 along the axial direction of this external-rotor motor from the baseplate part B1 of this second cover body 12, relatively; The baseplate part B1 of this first cover body 11 can not connect any peripheral wall, makes this first cover body 11 form a tabular cover body.
This first cover body 11 is spaced by the peripheral wall of this second cover body 12 with the baseplate part B1 of this second cover body 12, make to form a spacing between the baseplate part B1 of this first cover body 11 and this second cover body 12, the hollow cover body that this first cover body 11 can be formed with this second cover body 12 is equally this stator 2 coated jointly.
This rotor comprises rotating shaft 31, permanent magnet group 32 and a wheel hub 33, this rotating shaft 31 is rotatably incorporated into this iron core 21, the iron core 21 of this wheel hub 33 and this stator 2 is arranged between this first cover body 11 and this second cover body 12 in the lump, this wheel hub 33 can be incorporated into this rotating shaft 31 periphery, and this permanent magnet group 32 can be incorporated into the inwall of this wheel hub 33.Whereby, this permanent magnet group 32 will be formed between this iron core 21 and this wheel hub 33, and by formation one air gap between this permanent magnet group 32 and this iron core 21.The axial direction of this external-rotor motor is the direction being parallel to this rotating shaft 31, and the radial direction of this external-rotor motor is vertical and by the direction of this rotating shaft 31, is that the utility model person with usual knowledge in their respective areas institute can understanding person.Wherein, the external-rotor motor of this first embodiment separately can comprise a bearing group 4, and this bearing group 4 can be arranged at the baseplate part B1 of the second cover body 12 of this cage 1.In more detail, this bearing group 4 comprises a central siphon 41 and at least one bearing 42, and this central siphon 41 is the baseplate part B1 central authorities being arranged at this second cover body 12, and this central siphon 41 can assemble the baseplate part B1 being fixed on this second cover body 12; Or this central siphon 41 can be integrally formed with the baseplate part B1 of this second cover body 12, and the utility model is not limited.It is inner that this at least one bearing 42 can be incorporated into this central siphon 41.Accordingly, because this central siphon 41 is the baseplate part B1 being fixed on this second cover body 12, the iron core 21 of this stator 2 can be incorporated into this central siphon 41 periphery, and the rotating shaft 31 of this rotor 3 can be incorporated at least one bearing 42 of this bearing group 4, this rotating shaft 31 is formed and is rotatably incorporated into this iron core 21.
The iron core 21 of this stator 2 can utilize as the modes such as tight fit, locking or buckle are incorporated into this central siphon 41, and make this stator 2 can be fixed on this cage 1 inner, the utility model is not limited.In addition, one end of this central siphon 41 this second cover body 12 contiguous can in conjunction with a gag 43, this gag 43 can be made up of the material (such as: rubber) with favorable elasticity, make this gag 43 can seal this central siphon 41, and then it is inner to prevent aqueous vapor or foreign matter from invading this external-rotor motor via this second cover body 12.In addition, this wheel hub 33 can be run through with the outside of this cage 1 that stretches through out at least one end of this rotating shaft 31.For example, in the present embodiment, the baseplate part B1 central authorities of the first cover body 11 of this cage 1 can be provided with a perforation 111, and whereby, one end of this rotating shaft 31 this first cover body 11 contiguous can stretch through out via this perforation 111 outside of this cage 1; But in the utility model section Example, relative two ends of this rotating shaft 31 all can stretch through out the outside of this cage 1, and the utility model is not limited.This first cover body 11 separately can comprise a sealing ring 112, and sealing ring 112 can have flexible material by rubber or silica gel etc. and make, and sealing ring 112 is incorporated into this perforation 111 periphery, to reduce the gap of this rotating shaft 31 and this first cover body 11.
During the actual use of the external-rotor motor of the utility model first embodiment, this iron core 21 can produce magnetic interlinkage with this permanent magnet group 32 and respond to after this coil 22 is energized, and this rotating shaft 31 can be rotated relative to this iron core 21.About start principle and the detailed construction of this stator 2 and this rotor 3, be that the utility model person with usual knowledge in their respective areas can understand implementer, no longer row repeats for this reason.
By said structure, the external-rotor motor of the utility model first embodiment is by arranging this cage 1, first cover body 11 of this cage 1 and the second cover body 12 can the components such as permanent magnet group 32 and wheel hub 33 of complete this stator 2 coated and this rotor 3, effectively prevent aqueous vapor or foreign matter from invading this external-rotor motor inner, the useful life of external-rotor motor can be extended.
Please refer to shown in Fig. 3, it is the external-rotor motor of the utility model second embodiment, with aforementioned first embodiment different be in: the baseplate part B1 periphery of this second cover body 12 is also connected a peripheral wall B2, this peripheral wall B2 extends towards this first cover body 11 along the axial direction of this external-rotor motor from the baseplate part B1 of this second cover body 12, make this second cover body 12 in analysing and observe on direction shown in Fig. 3, its cross section can be roughly a hollow cover body of " U " font, and the peripheral wall B2 of this second cover body 12 can lock and is incorporated into the peripheral wall B2 of this first cover body 11.In other words, in the present embodiment, this first cover body 11 and this second cover body 12 form a hollow cover body respectively, so that the coating function that this stator 2 all can be provided in the radial direction and axial direction of this external-rotor motor more perfect.Wherein, can arrange an airtight circle 13 between the ring week wall B2 of this first cover body 11 and this second cover body 12, this airtight circle 13 can have flexible material by rubber or silica gel etc. and make.By being provided with this airtight circle 13 between this first cover body 11 and this second cover body 12, effectively can promote the sealing effectiveness of this cage 1, further preventing aqueous vapor or foreign matter from invading this external rotor and reaching inside.
Moreover this stator 2 separately comprises a pedestal 23, these pedestal 23 central authorities can for arranging above-mentioned bearing group 4.This pedestal 23 can be arranged between this iron core 21 and this second cover body 12 by modes such as locking, buckle or tight fits; Or as shown in Figure 3, this pedestal 23 can be set up on positioning piece P, this keeper P is the pedestal being formed at this cage 1 inside.In details of the words, the central siphon 41 of this bearing group 4 is arranged at this pedestal 23 central authorities, and the central siphon 41 of this bearing group 4 can be assembled and be fixed on this pedestal 23; Or this central siphon 41 can be integrally formed with this pedestal 23, and the utility model is not limited.At least one bearing 42 of this bearing group 4 is incorporated into this central siphon 41 inside equally.Accordingly, because this central siphon 41 is fixed on this pedestal 23, the iron core 21 of this stator 2 can be incorporated into this central siphon 41 periphery, and the rotating shaft 31 of this rotor 3 can be incorporated at least one bearing 42 of this bearing group 4.
It should be noted that the pedestal 23 of this stator 2 can go out a circuit holding part R in this cage 1 internal insulation, this circuit holding part R is formed between this pedestal 23 and baseplate part B1 of this second cover body 12.This circuit holding part R can for drive circuit board, the circuit member such as electronic control module or power conversion unit arranging this external-rotor motor.For example, in the present embodiment, namely one drive circuit plate 5 is arranged in this circuit holding part R, and this drive circuit board 5 can be incorporated into this pedestal 23; But this drive circuit board 5 also can be incorporated into this second cover body 12, and the utility model is not limited.Electronic component on this drive circuit board 5 can be formed and be electrically connected via wire, the electrically coil 22 of the electrical connector such as pin or copper post and this stator 2, is that those skilled in the art can understand implementer.
This second cover body 12 by locking, buckle, to screw togather or the mode such as joggle to be formed with this first cover body 11 and is combined removably.Accordingly, this second cover body 12 can be used for user to pull down, and maintainer can be repaired or replaced circuit members such as drive circuit board, electronic control module or the power conversion units in this circuit holding part R, can promote the maintenance convenience of external-rotor motor.
Please refer to shown in Fig. 4, is the external-rotor motor of the utility model the 3rd embodiment, with aforementioned second embodiment different be in: the peripheral wall B2 of this first cover body 11 and peripheral wall B2 of this second cover body 12 is the pedestals 23 jointly gripping this stator 2; In other words, this pedestal 23 can extend between this first cover body 11 and peripheral wall B2 of this second cover body 12 along the radial direction of this external-rotor motor.Accordingly, this pedestal 23 can be clamped and fastened between this first cover body 11 and this second cover body 12 really, to promote the assembling steadiness of the external-rotor motor of the 3rd embodiment.
Moreover in the utility model section Example, relative two ends of the rotating shaft 31 of this rotor 3 can run through this wheel hub 33 and this bearing group 4, outside to protrude out to this cage 1 respectively.For example, as shown in Figure 4, the baseplate part B1 central authorities of the second cover body 12 of this cage 1 also can be provided with a perforation 121, whereby, one end of this rotating shaft 31 this second cover body 12 contiguous can stretch through out via this perforation 121 outside of this cage 1, relative two ends of this rotating shaft 31 all can be stretched through out the outside of this cage 1, and the utility model is not limited.This second cover body 12 also separately can comprise a sealing ring 122, and sealing ring 122 can have flexible material by rubber or silica gel etc. and make, and sealing ring 122 is incorporated into this perforation 121 periphery, to reduce the gap of this rotating shaft 31 and this second cover body 12.
Please refer to shown in Fig. 5, it is the external-rotor motor of the utility model the 4th embodiment, with aforementioned third embodiment different be in: the pedestal 23 of this stator 2 is provided with an extension 231, and this extension 231 can extend along the axial direction of this external-rotor motor towards this first cover body 11 or this second cover body 12.In the present embodiment, two sides of this extension 231 extend towards the first cover body 11 with this second cover body 12 respectively, whereby, this extension 231 can promote the contact area of this pedestal 23 and this cage 1, to promote the sealing effectiveness of this cage 1, further prevent aqueous vapor or foreign matter from invading this external rotor and reach inside.
In the utility model section Example, this cage 1 is made up of isolation material, accordingly, due to this cage 1 can complete this stator 2 coated, this rotor 3 permanent magnet group 32 and wheel hub 33, this component such as bearing group 4 and this drive circuit board 5, this cage 1 can make the space outerpace of described each component and this external-rotor motor be formed to insulate, in case leak-stopping electric current produces, the insulation effect of external-rotor motor can be promoted.In addition, please refer to shown in Fig. 6, when this cage 1 is made up of isolation material, this external-rotor motor separately can comprise a metal-back 6, makes this cage 1(containing stator 2, the permanent magnet group 32 of rotor 3, wheel hub 33, this bearing group 4 and this drive circuit board 5) can be placed in this metal-back 6 further inner.This cage 1 can be with the combination of this metal-back 6 and locks, buckle, tight fit, to screw togather or joggle, to utilize this metal-back 6 to provide preferably structural strength, and then provides better protection effect.The motor of the utility model embodiment can utilize this cage 1 to provide insulation effect, to prevent electric current conducting and produce leakage current between this stator 2 and this metal-back 6.
Moreover this metal-back 6 can comprise one first housing 61 and one second housing 62, this first housing 61 is in order to the first cover body 11 and the second cover body 12 of this cage 1 coated.This first housing 61 is formation one hollow cover bodies, and this first housing 61 forms an openend in the position of this second cover body 12, and this second housing 62 is incorporated into this first housing 61 removably, in order to close the openend of this first housing 61.Whereby, this cage 1 can be placed in this metal-back 6 inside completely.Or, in the utility model section Example, this metal-back comprises one first housing 61 and one second housing 62, this second housing 62 can in order to the first cover body 11 and the second cover body 12 of this cage coated, second housing 62 is formation one hollow cover bodies, this second housing 62 forms an openend in the position of this first cover body 11, and this first housing 11 is incorporated into this second housing 12 removably, in order to close the openend of this second housing 12.In other words, in the middle of the first housing 61 of this metal-back 6 or the second housing 62, at least one housing can form a hollow cover body.
But, please refer to shown in Fig. 7, this first housing 61 and the second housing 62 also can form a hollow cover body respectively, and this first housing 61 1 openend is relative shape with an openend of this second housing 62, use when this first housing 61 be combined with each other with this second housing 62, by the first cover body 11 and the second cover body 12 of this first and second housing 61,62 this cage 1 coated jointly.On the other hand, this second housing 62 can be used for user to pull down with this second cover body 12, and maintainer can be repaired or replaced circuit members such as drive circuit board, electronic control module or the power conversion units in this circuit holding part R.
Again, please refer to shown in Fig. 8, in the utility model section Example, this metal-back 6 comprises one first housing 61 and two cappings 63, this first housing 61 is the hollow cylinder that two ends have opposed open, this first housing 61 is first cover body 11 and second cover bodies 12 of this cage 1 coated, the opening of this first housing 61 2 end lays respectively at the position of this first cover body 11 and this second cover body 12, and the opening of this first housing 61 2 end is respectively in conjunction with a capping 63, this metal-back 6 inside can be sealed in for the above-mentioned cage after assembling 1 that completes, better safeguard function is provided.In addition, the capping 63 that one end of this first housing 61 this first cover body 11 contiguous combines can be provided with a perforation, outside to this metal-back 6 with stretching through for this rotating shaft 31.But in the utility model section Example, this two capping 63 can respectively be provided with a perforation, relative two ends for this rotating shaft 31 stretch through outside to this metal-back 6 simultaneously.In addition, an end face of wherein at least one capping 63 (being be surface toward the outer side in graphic) can be provided with at least one screw 631, to facilitate, the utility model external-rotor motor is locked in various different product, and then promotes and use and assemble convenience.
According to by aforementioned structure, the main feature of each embodiment of the utility model is:
The utility model complete packet can cover the design of said stator 2 based on the first cover body 11 of above-mentioned cage 1 and the second cover body 12, make this cage 1 in the radial direction and axial direction of this external-rotor motor all can this stator 2 coated, this rotor 3 permanent magnet group 32 and wheel hub 33, guarantee that this cage 1 can be mutually isolated and effectively to prevent aqueous vapor or foreign matter from invading this external-rotor motor inner with the external world by this stator 2, be oxidized or damage to prevent this external-rotor motor internal structure, really can reach the effect in the useful life extending external-rotor motor.
On the other hand, in the utility model section Example, this stator 2 separately comprises a pedestal 23, and this pedestal 23 can go out a circuit holding part R in this cage 1 internal insulation, and this circuit holding part R is formed between this pedestal 23 and baseplate part B1 of this second cover body 12.This second cover body 12 by locking, buckle, to screw togather or the mode such as joggle to be formed with this first cover body 11 and is combined removably, therefore this second cover body 12 can be used for user to pull down, maintainer can be repaired or replaced circuit members such as drive circuit board, electronic control module or the power conversion units in this circuit holding part R, the effect of the maintenance convenience promoting external-rotor motor can be reached.
Moreover, in the utility model section Example, the peripheral wall B2 of this first cover body 11 and peripheral wall B2 of this second cover body 12 is the pedestals 23 jointly gripping this stator 2, this pedestal 23 can extend between this first cover body 11 and peripheral wall B2 of this second cover body 12 along the radial direction of this external-rotor motor, and this pedestal 23 separately can be provided with an extension 231, this extension 231 can extend along the axial direction of this external-rotor motor towards this first cover body 11 or this second cover body 12, to promote the contact area of this pedestal 23 and this cage 1, make this pedestal 23 can be clamped and fastened between this first cover body 11 and this second cover body 12, there is the effect of the assembling steadiness promoting this external-rotor motor.
In addition, in the utility model section Example, this cage 1 can be made up of isolation material, and this cage 1 can complete this stator 2 coated, in case leak-stopping electric current produces; Preferably, when this cage 1 be incorporated into above-mentioned metal-back 6 inner time, more can by this cage 1, effectively to prevent from being formed between this metal-back 6 and this stator 2 conducting and leakage current, there is the effect of the insulation effect promoting external-rotor motor.
Claims (20)
1. an external-rotor motor, is characterized in that, comprises:
A cage, this cage is made up of isolation material, and this cage comprises first cover body and second cover body;
A stator, this stator pack is containing an iron core and a pedestal, and this pedestal is arranged between this iron core and this second cover body;
A rotor, this rotor comprises a rotating shaft, a permanent magnet and a wheel hub, this rotating shaft is rotatably incorporated into this iron core, this wheel hub and this iron core are arranged between this first cover body and this second cover body, this wheel hub is incorporated into this rotating shaft periphery, this permanent magnet group is incorporated into the inwall of this wheel hub, and this permanent magnet group is formed between this iron core and this wheel hub; And
A bearing group, this bearing group comprises a central siphon and at least one bearing, and this central siphon is arranged at this pedestal, and it is inner that this at least one bearing is incorporated into this central siphon, and the rotating shaft of this rotor is incorporated at least one bearing of this bearing group.
2. external-rotor motor as claimed in claim 1, it is characterized in that, this pedestal goes out a circuit holding part in this cage internal insulation, and this circuit holding part is formed between this pedestal and this second cover body.
3. motor as claimed in claim 2, is characterized in that, this circuit holding part is in order to arrange the drive circuit board of motor, electronic control module or power conversion unit.
4. external-rotor motor as claimed in claim 2, it is characterized in that, this second cover body is formed with this first cover body and is combined removably.
5. external-rotor motor as claimed in claim 1, it is characterized in that, this pedestal extends between this first cover body and this second cover body along the radial direction of this external-rotor motor, makes this first cover body and this second cover body jointly grip this pedestal.
6. external-rotor motor as claimed in claim 5, it is characterized in that, this pedestal is provided with an extension, and this extension extends along the axial direction of this external-rotor motor towards this first cover body or this second cover body.
7. an external-rotor motor, is characterized in that, comprises:
A cage, this cage is made up of isolation material, and this cage comprises first cover body and second cover body;
A stator, this stator pack is containing an iron core;
A rotor, this rotor comprises a rotating shaft, a permanent magnet and a wheel hub, this rotating shaft is rotatably incorporated into this iron core, this wheel hub and this iron core are arranged between this first cover body and this second cover body, this wheel hub is incorporated into this rotating shaft periphery, this permanent magnet group is incorporated into the inwall of this wheel hub, and this permanent magnet group is formed between this iron core and this wheel hub; And
A bearing group, this bearing group comprises a central siphon and at least one bearing, and this central siphon is arranged at this second cover body, and it is inner that this at least one bearing is incorporated into this central siphon, and the rotating shaft of this rotor is incorporated at least one bearing of this bearing group.
8. external-rotor motor as claimed in claim 7, is characterized in that, one end of this central siphon this second cover body contiguous is in conjunction with a gag.
9. the external-rotor motor as described in claim 1 or 7, is characterized in that, this first cover body and this second cover body comprise a baseplate part respectively, and respectively this baseplate part extends along the radial direction of this external-rotor motor.
10. external-rotor motor as claimed in claim 9, it is characterized in that, the baseplate part of this first cover body connects a peripheral wall, and the peripheral wall of this first cover body extends along the axial direction of this motor towards this second cover body; Or the baseplate part of this second cover body connects a peripheral wall, the peripheral wall of this second cover body extends along the axial direction of this motor towards this first cover body.
11. external-rotor motors as claimed in claim 10, it is characterized in that, the baseplate part of this first cover body is provided with this peripheral wall, and this second cover body forms a tabular cover body; Or the baseplate part of this second cover body is provided with this peripheral wall, this first cover body forms a tabular cover body; Or the baseplate part of this first cover body and the baseplate part of this second cover body are provided with this peripheral wall.
12. motors as described in claim 1 or 7, is characterized in that, separately comprise a metal-back, and it is inner that this cage is placed in this metal-back.
13. motors as claimed in claim 12, it is characterized in that, this metal-back comprises first housing and second housing, this first housing is in order to the first cover body of this cage coated and the second cover body, this first housing forms an openend in the position of this second cover body, and this second housing is incorporated into this first housing removably, in order to close the openend of this first housing; Or, this metal-back comprises first housing and second housing, this second housing is in order to the first cover body of this cage coated and the second cover body, this second housing forms an openend in the position of this first cover body, and this first housing is incorporated into this second housing removably, in order to close the openend of this second housing.
14. motors as claimed in claim 12, it is characterized in that, this metal-back comprises first housing and second housing, this first housing and the second housing form a hollow cover body respectively, and this first housing openend is relative shape with this second housing openend, this first housing and this second housing be combined with each other, with the first cover body of this cage coated jointly and the second cover body.
15. motors as claimed in claim 12, it is characterized in that, this metal-back comprises first housing and two cappings, this first housing is the hollow cylinder that two ends have opposed open, first cover body of this first housing this cage coated and the second cover body, and two end openings of this first housing are respectively in conjunction with a capping.
16. motors as described in any one of claim 1 to 8, it is characterized in that, the first cover body central authorities of this cage are provided with a perforation, and one end of this rotating shaft this first cover body contiguous stretches through out via this perforation the outside of this cage.
17. external-rotor motors as claimed in claim 16, it is characterized in that, this first cover body separately comprises a sealing ring, and sealing ring is incorporated into this perforation periphery.
18. external-rotor motors as claimed in claim 16, is characterized in that, the second cover body central authorities of this cage are also provided with a perforation, and one end of this rotating shaft this second cover body contiguous stretches through out via the perforation of this second cover body the outside of this cage.
19. external-rotor motors as claimed in claim 18, it is characterized in that, this first cover body separately comprises a sealing ring, and sealing ring is incorporated into the perforation periphery of this first cover body, this second cover body separately comprises a sealing ring, and the sealing ring of this second cover body is incorporated into the perforation periphery of this second cover body.
20. motors as described in any one of claim 1 to 8, is characterized in that, this first cover body and this second cover body by locking, buckle, tight fit, to screw togather or dovetail manner be combined with each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104104571 | 2015-02-11 | ||
| TW104104571A TWI559656B (en) | 2015-02-11 | 2015-02-11 | External rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517613U true CN204517613U (en) | 2015-07-29 |
Family
ID=53715543
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117638.3U Withdrawn - After Issue CN204517613U (en) | 2015-02-11 | 2015-02-27 | External rotor motor |
| CN201510089220.0A Expired - Fee Related CN105990976B (en) | 2015-02-11 | 2015-02-27 | External rotor motor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510089220.0A Expired - Fee Related CN105990976B (en) | 2015-02-11 | 2015-02-27 | External rotor motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN204517613U (en) |
| TW (1) | TWI559656B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105915012A (en) * | 2016-05-30 | 2016-08-31 | 朱幕松 | Gearless and brushless rim motor for new energy vehicles |
| CN105990976A (en) * | 2015-02-11 | 2016-10-05 | 建准电机工业股份有限公司 | External rotor motor |
| CN107516959A (en) * | 2016-06-16 | 2017-12-26 | 庆奇企业股份有限公司 | D.c. motor |
| CN108631486A (en) * | 2017-03-24 | 2018-10-09 | 日本电产株式会社 | Stator unit, motor and fan motor |
| CN111987862A (en) * | 2016-06-15 | 2020-11-24 | 建准电机工业股份有限公司 | Electric machine with electrostatic discharge protection |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI611651B (en) * | 2016-09-29 | 2018-01-11 | 建準電機工業股份有限公司 | Stator assembly of outer-rotor motor |
| TWI659594B (en) * | 2018-02-09 | 2019-05-11 | 建準電機工業股份有限公司 | Bearing positioning structure and motor including the same |
| TWI670917B (en) * | 2018-04-27 | 2019-09-01 | 建準電機工業股份有限公司 | motor |
| TWI686037B (en) * | 2019-01-10 | 2020-02-21 | 建準電機工業股份有限公司 | motor |
| CN110932452A (en) * | 2019-12-12 | 2020-03-27 | 浙江亿雄机电制造有限公司 | Efficient and dustproof EC motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253070Y (en) * | 1995-12-05 | 1997-04-23 | 张存玉 | Plastic-iron type constant voltage generator |
| TW424356B (en) * | 1998-12-24 | 2001-03-01 | Grizzly Electric Corp | Brushless motor having external rotor with high-efficiency, high-torque, and high-support |
| DE10305649A1 (en) * | 2003-02-12 | 2004-08-26 | Robert Bosch Gmbh | External rotor motor |
| TWM297577U (en) * | 2006-03-23 | 2006-09-11 | Ting Fong Electric & Machinery | Housing structure of motor of machine tool |
| CN101814777B (en) * | 2010-03-25 | 2017-01-25 | 东莞艾科机电设备有限公司 | Electronic motor |
| TWI451670B (en) * | 2012-01-18 | 2014-09-01 | Sunonwealth Electr Mach Ind Co | Motor |
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| TWI559656B (en) * | 2015-02-11 | 2016-11-21 | 建準電機工業股份有限公司 | External rotor motor |
-
2015
- 2015-02-11 TW TW104104571A patent/TWI559656B/en not_active IP Right Cessation
- 2015-02-27 CN CN201520117638.3U patent/CN204517613U/en not_active Withdrawn - After Issue
- 2015-02-27 CN CN201510089220.0A patent/CN105990976B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990976A (en) * | 2015-02-11 | 2016-10-05 | 建准电机工业股份有限公司 | External rotor motor |
| CN105990976B (en) * | 2015-02-11 | 2018-10-26 | 建准电机工业股份有限公司 | External rotor motor |
| CN105915012A (en) * | 2016-05-30 | 2016-08-31 | 朱幕松 | Gearless and brushless rim motor for new energy vehicles |
| CN105915012B (en) * | 2016-05-30 | 2018-01-16 | 朱幕松 | New-energy automobile is anodontia brushless wheel rim motor |
| CN111987862A (en) * | 2016-06-15 | 2020-11-24 | 建准电机工业股份有限公司 | Electric machine with electrostatic discharge protection |
| CN107516959A (en) * | 2016-06-16 | 2017-12-26 | 庆奇企业股份有限公司 | D.c. motor |
| CN108631486A (en) * | 2017-03-24 | 2018-10-09 | 日本电产株式会社 | Stator unit, motor and fan motor |
| US10680487B2 (en) | 2017-03-24 | 2020-06-09 | Nidec Corporation | Stator unit, motor, and fan motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105990976B (en) | 2018-10-26 |
| TW201630312A (en) | 2016-08-16 |
| TWI559656B (en) | 2016-11-21 |
| CN105990976A (en) | 2016-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Jianzhun Electric Motor Industry Co., Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Patentee before: Jianzhun Electric Motor Industry Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20181026 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20181026 |