CN206585413U - A kind of external rotor electric machine - Google Patents
A kind of external rotor electric machine Download PDFInfo
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- CN206585413U CN206585413U CN201720316215.3U CN201720316215U CN206585413U CN 206585413 U CN206585413 U CN 206585413U CN 201720316215 U CN201720316215 U CN 201720316215U CN 206585413 U CN206585413 U CN 206585413U
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Abstract
The utility model provides a kind of external rotor electric machine, including the bearing chamber component set gradually from inside to outside, stator module, rotor assembly and electric machine casing, the utility model passes through the second retainer ring in rotor assembly, the setting of second connecting pole and the 3rd retainer ring and the selection that material is aluminium, improve the efficiency of motor, design and material by the motor cover in electric machine casing are the selection of steel, improve the bonding strength of motor cover, pass through outer shaft, the matching design of interior axle, interior axle is realized well strengthens hardness, outer shaft reduces hardness, so as to ensure the effect of the stability of work, such a external rotor electric machine, it not only ensure that stability operationally, and can be according to different demands, the different outer shaft of selection, so as to improve the applicability of motor.
Description
Technical field
The utility model is related to motor, and in particular to a kind of external rotor electric machine.
Background technology
External rotor electric machine of the prior art, has the drawback that：
First, there is certain rule because of the distance between base to load, and motor shaft of the prior art is integrated one
Root, and link position is, from fixing point, to arrive load again to base, and the motor shaft of such design, length is long, and fixing point is arrived
The motor shaft of this section of base is simply to play fixed effect, and not very among length of the base to load；
2nd, because motor shaft is integrated setting and if motor shaft hardness is too small, motor can be caused in rotation
During be likely to occur rocking and destroy bearing so as to play top pressure effect to the edge of bearing, and in motor shaft and load
Connecting portion at, motor hardness is higher then easily disconnected, and to need to carry out milling flat for the end of most motor shafts, therefore also just band
Motor shaft is more prone to fracture also easily situation about vibrating in rotary course；
3rd, electric motor end cap is typically chosen using aluminium alloy to ensure electric efficiency, but aluminium alloy is fixed with motor shaft
When, rigidity is too low, so as to also just bring the too low situation of connection effect, and selects the higher electric motor end cap of hardness
Words, also have led to the too low situation of electric efficiency.
To sum up, using the teaching of the invention it is possible to provide one on the premise of electric efficiency is ensured, can both improve electric motor end cap bonding strength, again
Can improve motor shaft rotation degree of stability, and ensure motor shaft and motor body bonding strength external rotor electric machine just
It is necessary.
Utility model content
The technical problems to be solved in the utility model is：In order to solve the problems of the prior art.The utility model is provided
A kind of external rotor electric machine solves the above problems.
The utility model solves the technical scheme that its technical problem used：A kind of external rotor electric machine, including from it is interior to
Bearing chamber component, stator module, rotor assembly and the electric machine casing set gradually outside, the electric machine casing includes connection ring, outer
In axle, interior axle, motor cover, fixture and torus, the connection ring have connection end, the outer wall of the lower end of the outer shaft with
The inwall of the connection end is fixedly connected, and the outer wall of the upper end of the interior axle is fixedly connected with the inwall of the connection ring, institute
State outer shaft and the interior axle is coaxial, being covered surely in the interior axle of the bottom of the connection ring has the fixture, the motor cover
Upper surface be fixedly connected with the bottom surface of the connection ring, the outer wall of the inwall of the motor cover and the fixture, which is fixed, to be connected
Connect, the upper surface of the motor cover is plane and vertical with the interior axle, the bottom surface of the connection ring be plane and with it is described
Interior axle is vertical, and the bearing chamber assembly set is scheduled in the interior axle.
As preferential, the stator module includes stator body, the first retainer ring, the first connecting pole and base ring, described
Stator slot is provided with stator body, first retainer ring is arranged on the top of the stator body, and the base ring is set
In the bottom of the stator body, first connecting pole is arranged in the stator slot, first retainer ring, described first
Connecting pole and the base ring integrated injection molding, the rotor assembly include rotor body, torus, the second retainer ring, the
Two connecting poles and the 3rd retainer ring, the torus are arranged on the top of the motor cover, the torus and are provided with first
It is provided with the second through hole being interconnected with the first through hole, the rotor body and is provided with through hole, the motor cover
Rotor slot, second retainer ring is arranged on the top of the rotor body, and the 3rd retainer ring is arranged on the rotor sheet
The bottom of body, second connecting pole is arranged in the rotor slot, and the outer ring of the motor cover is fixed with the rotor body
Connection, the torus, second retainer ring, second connecting pole and the 3rd retainer ring integrated injection molding.
As preferential, the bearing chamber component includes bottom, bearing chamber body, clutch shaft bearing, middle ring, snap ring and second
Bearing, inwall, the inwall of the stator body and described first of the outer wall of the bearing chamber body respectively with the base ring
The inwall laminating of retainer ring, the clutch shaft bearing, the middle ring and the second bearing are sequentially sleeved at described from top to bottom
In interior axle, the snap ring set be scheduled in the interior axle of the bottom of the second bearing and with the bottom surface of the second bearing
Laminating, the outer wall of the bottom is fixedly connected with the inwall of the base ring.
As preferential, there is first annular projection on the side wall of the bearing chamber body, it is described first annular raised upper
Portion fits with the bottom surface of the stator body, and the first annular raised external diameter is more than the internal diameter of the stator body.
As preferential, offer and be provided with several the first fixing holes, the motor cover in the circumference of the connection ring
The second fixing hole communicated with first fixing hole, the connection ring passes through first fixing hole and institute with the motor cover
State the connection of the second fixing hole.
As preferential, the top of the bearing chamber body has the second annular protrusion.
As preferential, the hardness of the outer shaft is 15HRC~30HRC, and the hardness of the interior axle is more than 40HRC.
As preferential, the material of the motor cover is steel, the torus, second retainer ring, second connection
Post and the material of the 3rd retainer ring are fine aluminium.
As preferential, the outer wall of the interior axle is crimped with the inwall of the fixture, the outer wall of the fixture with it is described
The inwall crimping of motor cover, the outer wall of the bottom is crimped with the inwall of the base ring.
The beneficial effects of the utility model are such a external rotor electric machines, first, be separately designed to by motor shaft outer shaft and
Interior axle two parts, realize interior shaft portion hardness height well, and the low effect of outer axial portion hardness exists so as to improve interior shaft portion
Degree of stability when work, prevents damage bearing chamber component of interior axle when work.
Secondly, by base ring, outer shaft, fixture, interior axle to the design loaded, base ring is make use of well to load
Between there is the condition of certain rule, cost is saved to a certain extent；
Again and, because outer shaft and the design that separates of interior axle, then interior axle can be standard axle, and outer shaft then can be according to load
Different demands, is changed, so as to improve the applicability of this external rotor electric machine；
Then, it is steel by the material of motor cover, improves the bonding strength of motor cover, although reduce the effect of motor
Rate, but torus, the second retainer ring, the material of the second connecting pole and the 3rd retainer ring are fine aluminium, so as to compensate for motor cover
The effect of efficiency is reduced, so as to improve efficiency to a certain extent；
Finally, by first annular raised setting, seam is formed, coordinates bottom to secure bearing chamber well, passes through
The setting of second annular protrusion, can play prevents water from flowing into bearing chamber body to a certain extent.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of external rotor electric machine of the utility model.
Fig. 2 is a kind of structural representation of external rotor electric machine of the utility model.
Fig. 3 is the structural representation of the utility model connection ring.
Fig. 4 is the structural representation of the utility model torus.
1, stator body in figure, the 2, first retainer ring, the 3, first connecting pole, 4, base ring, 5, rotor body, 6, second consolidates
Determine ring, the 7, second connecting pole, the 8, the 3rd retainer ring, 9, connection ring, 10, outer shaft, 11, motor cover, 12, fixture, 13, annulus
Body, 14, bottom, 15, interior axle, 16, bearing chamber body, 17, clutch shaft bearing, 18, middle ring, 19, snap ring, 20, second bearing,
21st, first annular projection, the 22, second annular protrusion, the 91, first fixing hole, 131, first through hole, 92, connection end.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.On the contrary, embodiment of the present utility model includes falling into owning in the range of the spirit and intension of attached claims
Change, modification and equivalent.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to description the utility model and simplifies describe, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property., it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.In addition, in this reality
With in new description, unless otherwise indicated, " multiple " are meant that two or more.
As shown in figures 1-4, the utility model provides a kind of external rotor electric machine, including the axle set gradually from inside to outside
Chamber component, stator module, rotor assembly and electric machine casing are held, electric machine casing includes connection ring 9, outer shaft 10, interior axle 15, motor cover
11st, there is connection end 92, outer wall and the connection end 92 of the lower end of outer shaft 10 in fixture 12 and torus 13, connection ring 9
Inwall be fixedly connected, the outer wall of the upper end of interior axle 15 is fixedly connected with the inwall of connection ring 9, and outer shaft 10 and interior axle 15 are coaxial,
Being covered surely in the interior axle 15 of the bottom of connection ring 9 has fixture 12, and the upper surface of motor cover 11 is fixed with the bottom surface of connection ring 9 to be connected
Connect, the inwall of motor cover 11 is fixedly connected with the outer wall of fixture 12, the upper surface of motor cover 11 is hung down for plane and with interior axle 15
Directly, the bottom surface of connection ring 9 is plane and vertical with interior axle 15, and bearing chamber assembly set is scheduled in interior axle 15.
Stator module includes setting on stator body 1, the first retainer ring 2, the first connecting pole 3 and base ring 4, stator body 1
Stator slot is equipped with, the first retainer ring 2 is arranged on the top of stator body 1, and base ring 4 is arranged on the bottom of stator body 1, first
Connecting pole 3 is arranged in stator slot, the first retainer ring 2, the first connecting pole 3 and the integrated injection molding of base ring 4, rotor assembly bag
Rotor body 5, torus 13, the second retainer ring 6, the second connecting pole 7 and the 3rd retainer ring 8 are included, torus 13 is arranged on motor
It is provided with first through hole 131, motor cover 11 to be provided with the top of lid 11, torus 13 and is interconnected with first through hole 131
The second through hole, rotor slot is provided with rotor body 5, the second retainer ring 6 is arranged on the top of rotor body 5, and the 3rd fixes
Ring 8 is arranged on the bottom of rotor body 5, and the second connecting pole 7 is arranged in rotor slot, outer ring and the rotor body 5 of motor cover 11
It is fixedly connected, torus 13, the second retainer ring 6, the second connecting pole 7 and the integrated injection molding of the 3rd retainer ring 8.First through hole
131 and second the setting of through hole be injecting hole for injection.
Bearing chamber component includes bottom 14, bearing chamber body 16, clutch shaft bearing 17, middle ring 18, the axle of snap ring 19 and second
20 are held, in inwall, the inwall of stator body 1 and the first retainer ring 2 of the outer wall of bearing chamber body 16 respectively with base ring 4
Wall is fitted, and clutch shaft bearing 17, middle ring 18 and second bearing 20 are sequentially sleeved in interior axle 15 from top to bottom, and 19 sets of snap ring is fixed
Fitted in the interior axle 15 of the bottom of second bearing 20 and with the bottom surface of second bearing 20, the outer wall and base ring of bottom 14
4 inwall is fixedly connected.The setting of snap ring 19, can be very good for clutch shaft bearing 17, middle ring 18 and second bearing 20
To position-limiting action, secondly, spacing effect can also be played for outer shaft 10 and interior axle 15.
With first annular raised 21 on the side wall of bearing chamber body 16, first annular raised 21 top and stator body
1 bottom surface laminating, first annular raised 21 external diameter is more than the internal diameter of stator body 1.Set by first annular raised 21
Put, form seam, can be very good to play the effect of being relatively fixed for stator body 1.
Offer and be provided with several the first fixing holes 91, motor cover 11 and the first fixing hole in the circumference of connection ring 9
91 the second fixing holes communicated, connection ring 9 is connected with motor cover 11 by the first fixing hole 91 and the second fixing hole.
The top of bearing chamber body 16 has the second annular protrusion 22.When external rotor electric machine inclined work, work as water
When penetrating into motor internal, certain prevent in water infiltration bearing chamber body 16 can be played.
The hardness of outer shaft 10 is 20HRC, and the hardness of interior axle 15 is 80HRC.Outer shaft 10 uses hardness for 20HRC design,
It can be very good to ensure during rotatably, prevent from, because rigidity is too high, and the situation that fragility fractures occurs, secondly, passing through
The hardness of interior axle 15 is 80HRC design, can be very good to ensure during rotation, because hardness is too low and work occurs
It is unstable, so as to damage the situation of clutch shaft bearing 17 and second bearing 20.
The material of motor cover 11 is steel, torus 13, the second retainer ring 6, the material of the second connecting pole 7 and the 3rd retainer ring 8
Expect for fine aluminium.Material by motor cover 11 is the selection of steel, can be very good to improve the bonding strength of motor cover 11, passes through circle
Ring body 13, the second retainer ring 6, the selection that the material of the second connecting pole 7 and the 3rd retainer ring 8 is fine aluminium, can be very good to make up
Because motor cover 11 causes the situation that electric efficiency is reduced for the selection of steel, so as to improve the effect of motor in certain degree
Rate.
The outer wall of interior axle 15 is crimped with the inwall of fixture 12, and the outer wall of fixture 12 is crimped with the inwall of motor cover 11,
The outer wall of bottom 14 is crimped with the inwall of base ring 4.
There is gap, the length in gap is big between the upper end of interior axle 15 in connection ring 9 and the bottom of outer shaft 10
In 3mm, the presence in gap is to ensure that mutual conflict will not be produced between outer shaft 10 and interior axle 15.
A kind of production method of external rotor electric machine, including：
S1, stator body 1 is put into mould, then injection molding the first retainer ring 2, the first connecting pole 3 and base ring
4, output stator module；
S2, the outer ring of motor cover 11 is welded and fixed with rotor body 5, rotor body 5 is put into mould, injection molded
Torus 13, the second retainer ring 6, the second connecting pole 7 and the 3rd retainer ring 8, output rotor assembly；
S3, outer shaft 10 is inserted in mould, injection molding connection ring 9, then clamping outer shaft 10, right on the basis of outer shaft 10
The inwall that connection ring 9 is located at the lower section of outer shaft 10 carries out smart car, forms mating surface；
S4, the upper surface of smart car motor cover 11 and the bottom surface of connection ring 9；
S5, fixation is crimped by the outer wall of interior axle 15 with the inwall of fixture 12, by the outer wall of fixture 12 and motor cover 11
Inwall crimping fix；
S6, bearing chamber body 16 filled in stator module, then inserted interior axle 15 in bearing chamber body 16 and according to this
Clutch shaft bearing 17, middle ring 18 and second bearing 20 are arranged, then sets snap ring 19 to prevent interior axle 15 from departing from bearing chamber, then the bottom of by
The outer wall of lid 14 is crimped with the inwall of base ring 4；
S7, the upper end that connection ring 9 is set in interior axle 15, make the outer wall and mating surface interference fits of interior axle 15, make motor
The upper surface of lid 11 is brought into close contact with the bottom surface of connection ring 9 and rivets fixation.
The material of first retainer ring 2, the first connecting pole 3 and base ring 4 can be plastics or aluminium alloy, torus 13,
The material of second retainer ring 6, the second connecting pole 7 and the 3rd retainer ring 8 is fine aluminium, and the external diameter of bottom 14 and the internal diameter of base ring 4 are
Close-fitting.The material of bearing chamber body 16 can be the inwall of aluminium alloy, steel or nonmetallic, clutch shaft bearing 17 and second bearing 20
Match somebody with somebody with the side wall of interior axle 15 for pine, clutch shaft bearing 17 and the outer wall and the close-fitting of bearing chamber body 16 of second bearing 20.
Such a external rotor electric machine, first, outer shaft 10 and the two parts of interior axle 15 is separately designed to by motor shaft, can be used
The hardness of interior axle 15 is high, the low scheme of the hardness of outer shaft 10, so as to improve stabilization of the interior axle 15 with outer shaft 10 when work
Degree, avoids damage and outer shaft 10 of the interior axle 15 for bearing chamber component during rotation because of fragility mistake to a certain extent
The high and situation of frangibility.
Secondly, base make use of by base ring 4, outer shaft 10, fixture 12, interior axle 15 well to the design of load
Ring saves cost to a certain extent to the condition between load with certain standard；
Again and, because outer shaft 10 and the design that separates of interior axle 15, then interior axle 15 can be standard axle, and outer shaft 10 then can root
According to the different demands of load, changed, so as to improve the applicability of this external rotor electric machine；
Then, it is steel by the material of motor cover 11, improves the bonding strength of motor cover 11, although reduce motor
Efficiency, but torus 13, the second retainer ring 6, the material of the second connecting pole 7 and the 3rd retainer ring 8 are fine aluminium, so as to compensate for
Motor cover 11 reduces the effect of efficiency, so as to ensure that electric efficiency to a certain extent；
Finally, by first annular raised 21 setting, seam is formed, coordinates bottom 14 to secure bearing chamber group well
Part, by the setting of the second annular protrusion 22, can play prevents water from flowing into bearing chamber body 16 to a certain extent.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of the term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (9)
1. a kind of external rotor electric machine, including bearing chamber component, stator module, rotor assembly and the motor set gradually from inside to outside
Housing, it is characterised in that：The electric machine casing includes connection ring (9), outer shaft (10), interior axle (15), motor cover (11), fixture
(12) and torus (13), there is connection end (92), the outer wall of the lower end of the outer shaft (10) and institute on the connection ring (9)
The inwall for stating connection end (92) is fixedly connected, and the outer wall of the upper end of the interior axle (15) is consolidated with the inwall of the connection ring (9)
Fixed connection, the outer shaft (10) coaxially, in the interior axle (15) of the bottom of the connection ring (9) covers fixed with the interior axle (15)
There is the fixture (12), the upper surface of the motor cover (11) is fixedly connected with the bottom surface of the connection ring (9), the electricity
The inwall of cover (11) is fixedly connected with the outer wall of the fixture (12), the upper surface of the motor cover (11) for plane and with
Vertically, the bottom surface of the connection ring (9) is plane and, the bearing chamber group vertical with the interior axle (15) to the interior axle (15)
Part set is scheduled in the interior axle (15).
2. external rotor electric machine as claimed in claim 1, it is characterised in that：The stator module includes stator body (1), first
Stator slot is provided with retainer ring (2), the first connecting pole (3) and base ring (4), the stator body (1), described first fixes
Ring (2) is arranged on the top of the stator body (1), and the base ring (4) is arranged on the bottom of the stator body (1), institute
State the first connecting pole (3) to be arranged in the stator slot, first retainer ring (2), first connecting pole (3) and the bottom
Seat ring (4) integrated injection molding, the rotor assembly includes rotor body (5), torus (13), the second retainer ring (6), second
Connecting pole (7) and the 3rd retainer ring (8), the torus (13) are arranged on the top of the motor cover (11), the torus
(13) it is provided with and is provided with what is be interconnected with the first through hole (131) on first through hole (131), the motor cover (11)
Rotor slot is provided with second through hole, the rotor body (5), second retainer ring (6) is arranged on the rotor body (5)
Top, the 3rd retainer ring (8) is arranged on the bottom of the rotor body (5), and second connecting pole (7) is arranged on institute
State in rotor slot, the outer ring of the motor cover (11) is fixedly connected with the rotor body (5), it is the torus (13), described
Second retainer ring (6), second connecting pole (7) and the 3rd retainer ring (8) integrated injection molding.
3. external rotor electric machine as claimed in claim 2, it is characterised in that：The bearing chamber component includes bottom (14), bearing
Room body (16), clutch shaft bearing (17), middle ring (18), snap ring (19) and second bearing (20), the bearing chamber body (16)
Outer wall inwall respectively with the base ring (4), the inwall of the stator body (1) and first retainer ring (2) it is interior
Wall is fitted, and the clutch shaft bearing (17), the middle ring (18) and the second bearing (20) are sequentially sleeved at institute from top to bottom
State in interior axle (15), the snap ring (19) set be scheduled in the interior axle (15) of the bottom of the second bearing (20) and with institute
The bottom surface laminating of second bearing (20) is stated, the outer wall of the bottom (14) is fixedly connected with the inwall of the base ring (4).
4. external rotor electric machine as claimed in claim 3, it is characterised in that：Have the on the side wall of the bearing chamber body (16)
One annular protrusion (21), the top of first annular raised (21) is fitted with the bottom surface of the stator body (1), and described first
The external diameter of annular protrusion (21) is more than the internal diameter of the stator body (1).
5. external rotor electric machine as claimed in claim 1, it is characterised in that：Offered in the circumference of the connection ring (9) some
The second fixing hole communicated with first fixing hole (91) is provided with individual first fixing hole (91), the motor cover (11),
The connection ring (9) is connected with the motor cover (11) by first fixing hole (91) and second fixing hole.
6. external rotor electric machine as claimed in claim 3, it is characterised in that：The top of the bearing chamber body (16) has second
Annular protrusion (22).
7. the external rotor electric machine as described in claim 1~6 is any, it is characterised in that：The hardness of the outer shaft (10) is 15HRC
~30HRC, the hardness of the interior axle (15) is more than 40HRC.
8. external rotor electric machine as claimed in claim 2, it is characterised in that：The material of the motor cover (11) is steel, the circle
Ring body (13), second retainer ring (6), second connecting pole (7) and the material of the 3rd retainer ring (8) are fine aluminium.
9. external rotor electric machine as claimed in claim 3, it is characterised in that：The outer wall of the interior axle (15) and the fixture
(12) inwall crimping, the outer wall of the fixture (12) is crimped with the inwall of the motor cover (11), the bottom (14)
Outer wall is crimped with the inwall of the base ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316215.3U CN206585413U (en) | 2017-03-29 | 2017-03-29 | A kind of external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316215.3U CN206585413U (en) | 2017-03-29 | 2017-03-29 | A kind of external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206585413U true CN206585413U (en) | 2017-10-24 |
Family
ID=60114237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720316215.3U Active CN206585413U (en) | 2017-03-29 | 2017-03-29 | A kind of external rotor electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206585413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070047A (en) * | 2017-03-29 | 2017-08-18 | 常州朗奇威电器有限公司 | A kind of external rotor electric machine and its production method |
-
2017
- 2017-03-29 CN CN201720316215.3U patent/CN206585413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070047A (en) * | 2017-03-29 | 2017-08-18 | 常州朗奇威电器有限公司 | A kind of external rotor electric machine and its production method |
| CN107070047B (en) * | 2017-03-29 | 2023-12-08 | 常州朗奇威电器有限公司 | Outer rotor motor and production method thereof |
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