CN206559160U - A kind of motor - Google Patents
A kind of motor Download PDFInfo
- Publication number
- CN206559160U CN206559160U CN201720167048.0U CN201720167048U CN206559160U CN 206559160 U CN206559160 U CN 206559160U CN 201720167048 U CN201720167048 U CN 201720167048U CN 206559160 U CN206559160 U CN 206559160U
- Authority
- CN
- China
- Prior art keywords
- bearing
- outer ring
- insulating lid
- inner race
- plastic packaging
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
Abstract
The utility model discloses a kind of motor, including electric motor end cap, electric motor end cap includes end cover body and ball bearing, it is past in the middle of end cover body to be protruded with bearing block, bearing chamber is provided with bearing block, ball bearing includes bearing outer ring, bearing inner race and the ball between bearing outer ring and bearing inner race, its described end cover body is metal manufacture, bearing chamber bottom is installed by insulating lid, ball bearing is put into bearing chamber, and bearing outer ring is supported on the outside of insulating lid, insulating lid blocks the gap between bearing outer ring and bearing inner race, the inner side of insulating lid is provided with avoiding hollow groove, avoiding hollow groove makes bearing inner race be separated with insulating lid, there is gap in the madial wall and bearing outer ring of bearing chamber, plastic-sealed body is molded with gap, the madial wall of bearing chamber and bearing outer ring are connected by plastic-sealed body.The utility model is simple in construction, reduces the requirement to bearing chamber inner circle precision, bearing chamber inner circle and coaxial bearing precision, reduces production cost.
Description
Technical field：
The utility model is related to a kind of motor.
Background technology：
Existing plastic packaging motor includes metal end, rotating shaft, rotor assembly and plastic packaging stator, and the shaft set exists
In rotor assembly, the plastic packaging stator includes being provided with cavity in the middle of stator module and plastic shell, plastic shell, and rotor assembly is embedding
Set is arranged in cavity, and the metal end includes end cap lid, and end cap lid center is protruding with bearing chamber, bearing indoor location
There is bearing, the shaft support is on the bearing of two end caps.In order to realize insulation, anti-electrocorrosion between bearing and metal end,
The internal face of the bearing chamber is equipped with insulating barrier, and insulating barrier has the manufacture of high-strength plastic Steel material.Motor operationally, the axle
Relative displacement can be produced by holding between room and bearing, can so move machine shaft, therefore to the bearing when design and production
Interior circle precision, bearing chamber inner circle and the coaxial precision of bearing, it is desirable to all very high, and add insulating barrier can make the bearing chamber with
Relative displacement between bearing frequently occurs, and increases production and design difficulty, improves production cost.
The content of the invention：
The purpose of this utility model is to provide a kind of motor, low to bearing chamber inner circle required precision, moreover it is possible to prevent bearing chamber
Displacement is produced between inner circle and bearing.
The purpose of this utility model is achieved by following technical proposals.
The purpose of this utility model is to provide a kind of motor, including electric motor end cap, and described electric motor end cap includes end cover body
And ball bearing, straight step seam is set at end cover body edge, past be protruded with bearing block, bearing block sets in the middle of end cover body
Bearing chamber is equipped with, the ball bearing includes bearing outer ring, bearing inner race and between bearing outer ring and bearing inner race
Ball, its described end cover body is metal manufacture, and insulating lid is installed in bearing chamber bottom, and the ball bearing is put into the bearing chamber
It is interior, and bearing outer ring is supported on the outside of insulating lid, insulating lid blocks the gap between the bearing outer ring and bearing inner race, absolutely
The inner side of edge lid is provided with avoiding hollow groove, and avoiding hollow groove makes bearing inner race be separated with insulating lid, in the madial wall and bearing outer ring of bearing chamber
There is gap, be molded with plastic-sealed body in the gap, the plastic-sealed body is by the madial wall of the bearing chamber and the axle
Bearing outer-ring is connected.
The through hole passed through for rotating shaft is provided with the middle of bearing block described above, the inward flange of the insulating lid is located at provided with boss
It is in close contact in the through hole and with the through-hole wall.
The outward flange protrusion annular sidewall of insulating lid described above, annular sidewall is enclosed on the lateral surface of bearing outer ring.
Above-mentioned annular sidewall connects with plastic-sealed body.
This purpose of the present utility model, can also be achieved in that：A kind of motor, including plastic packaging stator and ball bearing, institute
The plastic packaging stator stated includes stator core, overhang insulation, coil windings and plastic shell, and its described plastic shell one end is to center
Extension forms plastic packaging end cover body, toward being protruded with bearing block in the middle of plastic packaging end cover body, the ball bearing include bearing outer ring,
Bearing inner race and the ball between bearing outer ring and bearing inner race, the lateral surface plastic packaging of the bearing outer ring is in bearing block
It is interior, insulating lid is provided between bearing outer ring top surface and bearing block, insulating lid is blocked between the bearing outer ring and bearing inner race
Gap, the inner side of insulating lid is provided with avoiding hollow groove, and avoiding hollow groove makes bearing inner race be separated with insulating lid.
The through hole passed through for rotating shaft is provided with the middle of bearing block described above, the inward flange plastic packaging of the insulating lid is described logical
On the inwall of hole.
The outward flange protrusion annular sidewall of insulating lid described above, annular sidewall is enclosed on the lateral surface of bearing outer ring.
This purpose of the present utility model, can be also implemented in this way：A kind of motor, including plastic packaging stator and ball bearing, institute
The plastic packaging stator stated includes stator core, overhang insulation, coil windings and plastic shell, and its described plastic shell one end is to center
Extension forms plastic packaging end cover body, toward being protruded with bearing block in the middle of plastic packaging end cover body, the ball bearing include bearing outer ring,
Insulating lid, insulating lid are cased with outside bearing inner race and the ball between bearing outer ring and bearing inner race, the ball bearing
It is in close contact with the lateral surface of the bearing outer ring and blocks the gap between the bearing outer ring and bearing inner race, insulating lid
Inner side is provided with avoiding hollow groove, and avoiding hollow groove makes bearing inner race be separated with insulating lid, and the insulating lid plastic packaging is in bearing block.
The outward flange radially protruding of insulating lid described above has flange, and flange is embedded in the plastic packaging end cover body.
The through hole passed through for rotating shaft is provided with the middle of bearing block described above, the inward flange plastic packaging of the insulating lid is described logical
On the inwall of hole.
The utility model compared with prior art, has the effect that：
1) in the motor, the madial wall of bearing chamber and bearing outer ring have been connected by the end cap by plastic-sealed body
Come, it is simple in construction, it is to avoid to produce displacement between ball bearing and bearing chamber when motor works, also reduce to bearing chamber inner circle essence
The requirement of degree, bearing chamber inner circle and the coaxial precision of ball bearing, reduces production cost；
2) on the bearing outer ring is supported on the outside of insulating lid, insulating lid blocks the seam between bearing outer ring and bearing inner race
Avoiding hollow groove on the inside of gap, insulating lid makes bearing inner race be separated with insulating lid, and insulating lid can not only realize ball bearing and metal end
Insulation, anti-electrocorrosion between lid, moreover it is possible to plastics and then ball bearing bottom and inside when preventing high-temperature injection plastic part, are reduced
It is molded difficulty；
3) inward flange of the insulating lid is located in the through hole provided with boss and is in close contact with the through-hole wall, plus
The strong insulation of rotating shaft and metal end.
4) in the motor, described plastic shell one end extends to form plastic packaging end cover body towards center, makes plastic packaging end cover body
It is integrally formed with plastic shell, reduces process, the lateral surface plastic packaging of the bearing outer ring reduces plastic packaging end in bearing block
The required precision of lid, saves production cost.
5) in the motor, end cover body and plastic shell are integrally formed, and reduce process, and the bearing outer ring passes through described
Insulating lid is fixed in bearing block, is reduced the required precision of plastic packaging end cover body, is saved production cost；The insulating lid covering
Whole bearing outer ring, reduce further injection difficulty.
Brief description of the drawings：
Fig. 1 is the sectional view of motor described in the utility model embodiment one；
Fig. 2 is the stereogram of electric motor end cap described in the utility model embodiment one；
Fig. 3 is the structural representation on the inside of electric motor end cap described in the utility model embodiment one；
Fig. 4 is Fig. 3 A-A sectional views；
Fig. 5 is enlarged drawing at Fig. 4 B；
Fig. 6 is the stereoscopic figure of the plastic packaging stator of motor described in the utility model embodiment two；
Fig. 7 is the sectional view of plastic packaging stator described in the utility model embodiment two；
Fig. 8 is enlarged drawing at Fig. 7 C；
Fig. 9 is the sectional view of plastic packaging stator described in the utility model embodiment three；
Figure 10 is enlarged drawing at Fig. 9 D.
Embodiment：
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment one：
As shown in Figures 1 to 5, the present embodiment provides a kind of electric motor end cap, including electric motor end cap, described motor side
Lid includes end cover body 1 and ball bearing 2, sets straight step seam 11 at the edge of end cover body 1, is protruded outward in the middle of end cover body 1
Have and bearing chamber 121 is provided with bearing block 12, bearing block 12, the ball bearing 2 includes bearing outer ring 21, the and of bearing inner race 22
Ball 23 between bearing outer ring 21 and bearing inner race 22, its described end cover body 1 is metal manufacture, the bottom of bearing chamber 121
Insulating lid 5 is installed in portion, and the ball bearing 2 is put into the bearing chamber 121, and bearing outer ring 21 is supported on outside insulating lid 5
On side, insulating lid 5 blocks the gap 32 between the bearing outer ring 21 and bearing inner race 22, and the inner side of insulating lid 5 is provided with empty avoiding
Groove 53, avoiding hollow groove 53 makes bearing inner race 22 be separated with insulating lid 5, is deposited in madial wall 1211 and the bearing outer ring 21 of bearing chamber 121
In gap 31, plastic-sealed body 4 is molded with the gap 31, the plastic-sealed body 4 is by the madial wall of the bearing chamber 121
1211 are connected with the bearing outer ring 21.
In motor described in the present embodiment, the end cap 1 is by plastic-sealed body 4 by the madial wall 1211 and bearing of bearing chamber 121
Outer ring 21 is connected, simple in construction, it is to avoid produce displacement between ball bearing 2 and bearing chamber 121 when motor works,
The requirement to the inner circle precision of bearing chamber 121, the inner circle of bearing chamber 121 and the coaxial precision of ball bearing 2 is reduced, reduces and is produced into
This；The insulating lid 5 can not only realize insulation between ball bearing 2 and metal end 1, anti-electrocorrosion, moreover it is possible to prevent high temperature from noting
Plastics and then the bottom of ball bearing 2 and inside, reduce injection difficulty when moulding plastic part 4.
The through hole 122 passed through for rotating shaft 7 is provided with the middle of bearing block 12 described above, the inward flange 51 of the insulating lid 5 is set
There is boss 55 to be located in the through hole 122 and be in close contact with the inwall of through hole 122.Institute's boss 55 strengthens rotating shaft 7 and gold
Belong to the insulation of end cap 1.
The outward flange protrusion annular sidewall 52 of insulating lid 5 described above, annular sidewall 52 is enclosed on the outside of bearing outer ring 21
On face.
Above-mentioned annular sidewall 52 connects with plastic-sealed body 4.
Embodiment two：
As shown in Figure 6 to 8, a kind of motor that the present embodiment is provided, including plastic packaging stator 6 and ball bearing 2, it is described
Plastic packaging stator 6 includes stator core 61, overhang insulation 62, coil windings 63 and plastic shell 64, its described plastic shell 64 1
Duan Xiang centers extend to form plastic packaging end cover body 10, past in the middle of plastic packaging end cover body 10 to be protruded with bearing block 12, the ball axle
Holding 2 includes bearing outer ring 21, bearing inner race 22 and the ball 23 between bearing outer ring 21 and bearing inner race 22, the axle
The lateral surface plastic packaging of bearing outer-ring 21 is provided with insulating lid 5, insulation in bearing block 12 between the top surface of bearing outer ring 21 and bearing block 12
Lid 5 blocks the gap 32 between the bearing outer ring 21 and bearing inner race 22, and the inner side of insulating lid 5 is provided with avoiding hollow groove 53, empty avoiding
Groove 53 makes bearing inner race 22 be separated with insulating lid 5.
The through hole 122 passed through for rotating shaft 7 is provided with the middle of bearing block 12 described above, the inward flange 51 of the insulating lid 5 is moulded
It is enclosed on the inwall of through hole 122.
The outward flange protrusion annular sidewall 52 of insulating lid 5 described above, annular sidewall 52 is enclosed on the outside of bearing outer ring 21
On face.
In motor described in the present embodiment, plastic packaging end cover body 10 and plastic shell 64 are integrally formed, and reduce process, the axle
The lateral surface plastic packaging of bearing outer-ring 12 reduces the required precision of plastic packaging end cover body 10, saves production cost in bearing block 12.
Embodiment three：
As shown in Figure 9, Figure 10, a kind of motor that the present embodiment is provided, including plastic packaging stator 6 and ball bearing 2, it is described
Plastic packaging stator 6 includes stator core 61, overhang insulation 62, coil windings 63 and plastic shell 64, its described plastic shell 64 1
Duan Xiang centers extend to form plastic packaging end cover body 10, past in the middle of plastic packaging end cover body 10 to be protruded with bearing block 12, the ball axle
Holding 2 includes bearing outer ring 21, bearing inner race 22 and the ball 23 between bearing outer ring 21 and bearing inner race 22, the rolling
Insulating lid 5 is cased with outside pearl bearing 2, the lateral surface of insulating lid 5 and the bearing outer ring 21 is in close contact and blocked outside the bearing
Gap 32 between circle 21 and bearing inner race 22, the inner side of insulating lid 5 is provided with avoiding hollow groove 53, avoiding hollow groove 53 make bearing inner race 22 with
Insulating lid 5 is separated, and the plastic packaging of insulating lid 5 is in bearing block.
The outward flange radially protruding of insulating lid 5 described above has flange 54, and flange 54 is embedded in the plastic packaging end cover body 10.
The through hole 122 passed through for rotating shaft 7 is provided with the middle of bearing block 12 described above, the inward flange 51 of the insulating lid 5 is moulded
It is enclosed on the inwall of through hole 122.
Motor described in the present embodiment, end cover body 10 and plastic shell 64 are integrally formed, and reduce process, the bearing outer ring
21 are fixed in bearing block 12 by the insulating lid 5, are reduced the required precision of plastic packaging end cover body 10, are saved and be produced into
This；The insulating lid 5 covers whole bearing outer ring 21, reduce further injection difficulty.
Above example is better embodiment of the invention, but the implementation of the present invention is not limited to this, and other are any
Without departing from Spirit Essence and the change made under principle of the present invention, modification, replacement, combine, simplification, be equivalent displacement side
Formula, is included within protection scope of the present invention.
Claims (10)
1. a kind of motor, including electric motor end cap, described electric motor end cap include end cover body (1) and ball bearing (2), in end cover body
(1) edge sets straight step seam (11), and toward bearing block (12) is protruded with the middle of end cover body (1), bearing block is set in (12)
Bearing chamber (121) is equipped with, the ball bearing (2) includes bearing outer ring (21), bearing inner race (22) and installed in bearing outer ring
(21) ball (23) between bearing inner race (22), it is characterised in that：The end cover body (1) is metal manufacture, bearing chamber
(121) insulating lid (5) is installed in bottom, and the ball bearing (2) is put into the bearing chamber (121), and bearing outer ring (21)
It is supported on insulating lid (5) outside, insulating lid (5) blocks the gap between the bearing outer ring (21) and bearing inner race (22)
(32), the inner side of insulating lid (5) is provided with avoiding hollow groove (53), and avoiding hollow groove (53) makes bearing inner race (22) be separated with insulating lid (5),
There is gap (31) in the madial wall (1211) of bearing chamber (121), modeling is molded with the gap (31) with bearing outer ring (21)
Body (4) is sealed, the plastic-sealed body (4) connects the madial wall (1211) of the bearing chamber (121) and the bearing outer ring (21)
Connect and be fixed up.
2. a kind of motor according to claim 1, it is characterised in that：It is provided with the middle of the bearing block (12) for rotating shaft (7)
The through hole (122) passed through, the inward flange (51) of the insulating lid (5) be located at provided with boss (55) in the through hole (122) and with
Through hole (122) inwall is in close contact.
3. a kind of motor according to claim 1 or 2, it is characterised in that：The outward flange protrusion annular of the insulating lid (5)
Side wall (52), annular sidewall (52) is enclosed on the lateral surface of bearing outer ring (21).
4. a kind of motor according to claim 3, it is characterised in that：Annular sidewall (52) connects with plastic-sealed body (4).
5. a kind of motor, including plastic packaging stator (6) and ball bearing (2), described plastic packaging stator (6) include stator core
(61), overhang insulation (62), coil windings (63) and plastic shell (64), it is characterised in that：Described plastic shell (64) one end
Extend to form plastic packaging end cover body (10) to center, it is past in the middle of plastic packaging end cover body (10) to be protruded with bearing block (12), the rolling
Pearl bearing (2) includes bearing outer ring (21), bearing inner race (22) and between bearing outer ring (21) and bearing inner race (22)
Ball (23), the lateral surface plastic packaging of the bearing outer ring (21) is in bearing block (12), bearing outer ring (21) top surface and bearing
Insulating lid (5) is provided between seat (12), insulating lid (5) blocks the gap between the bearing outer ring (21) and bearing inner race (22)
(32), the inner side of insulating lid (5) is provided with avoiding hollow groove (53), and avoiding hollow groove (53) makes bearing inner race (22) be separated with insulating lid (5).
6. a kind of motor according to claim 5, it is characterised in that：It is provided with the middle of the bearing block (12) for rotating shaft (7)
The through hole (122) passed through, inward flange (51) plastic packaging of the insulating lid (5) is on the through hole (122) inwall.
7. a kind of motor according to claim 5 or 6, it is characterised in that：The outward flange protrusion annular of the insulating lid (5)
Side wall (52), annular sidewall (52) is enclosed on the lateral surface of bearing outer ring (21).
8. a kind of motor, including plastic packaging stator (6) and ball bearing (2), described plastic packaging stator (6) include stator core
(61), overhang insulation (62), coil windings (63) and plastic shell (64), it is characterised in that：Described plastic shell (64) one end
Extend to form plastic packaging end cover body (10) to center, it is past in the middle of plastic packaging end cover body (10) to be protruded with bearing block (12), the rolling
Pearl bearing (2) includes bearing outer ring (21), bearing inner race (22) and between bearing outer ring (21) and bearing inner race (22)
Ball (23), insulating lid (5), the lateral surface of insulating lid (5) and the bearing outer ring (21) are cased with outside the ball bearing (2)
It is in close contact and blocks the gap (32) between the bearing outer ring (21) and bearing inner race (22), insulating lid is set on the inside of (5)
There is avoiding hollow groove (53), avoiding hollow groove (53) makes bearing inner race (22) be separated with insulating lid (5), insulating lid (5) plastic packaging is in bearing
In seat.
9. a kind of motor according to claim 8, it is characterised in that：The outward flange radially protruding of the insulating lid (5) has
Flange (54), flange (54) is embedded in the plastic packaging end cover body (10).
10. a kind of motor according to claim 8 or claim 9, it is characterised in that：It is provided with the middle of the bearing block (12) and supplies rotating shaft
(7) through hole (122) passed through, inward flange (51) plastic packaging of the insulating lid (5) is on the through hole (122) inwall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167048.0U CN206559160U (en) | 2017-02-23 | 2017-02-23 | A kind of motor |
| PCT/CN2017/099667 WO2018153046A1 (en) | 2017-02-23 | 2017-08-30 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167048.0U CN206559160U (en) | 2017-02-23 | 2017-02-23 | A kind of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206559160U true CN206559160U (en) | 2017-10-13 |
Family
ID=60360619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720167048.0U Active CN206559160U (en) | 2017-02-23 | 2017-02-23 | A kind of motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206559160U (en) |
| WO (1) | WO2018153046A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019218541A1 (en) * | 2018-05-15 | 2019-11-21 | 中山大洋电机股份有限公司 | Anti-fire flame-retardant plastic-packaged motor |
| WO2021036037A1 (en) * | 2019-08-30 | 2021-03-04 | 追创科技(苏州)有限公司 | Motor bearing support and motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3635948B2 (en) * | 1998-11-17 | 2005-04-06 | 三菱電機株式会社 | Rotating electric machine |
| JP3747684B2 (en) * | 1999-04-09 | 2006-02-22 | 日本精工株式会社 | Electric motor and rolling bearing used therefor |
| JP2013085441A (en) * | 2011-06-03 | 2013-05-09 | Panasonic Corp | Mold motor |
| JP2014107998A (en) * | 2012-11-29 | 2014-06-09 | Panasonic Corp | Motor |
| CN203193427U (en) * | 2013-03-18 | 2013-09-11 | 中山大洋电机股份有限公司 | Direct-current plastic package motor structure |
| CN203883594U (en) * | 2014-05-28 | 2014-10-15 | 中山大洋电机股份有限公司 | Motor end cover and plastic package motor adopting same |
-
2017
- 2017-02-23 CN CN201720167048.0U patent/CN206559160U/en active Active
- 2017-08-30 WO PCT/CN2017/099667 patent/WO2018153046A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019218541A1 (en) * | 2018-05-15 | 2019-11-21 | 中山大洋电机股份有限公司 | Anti-fire flame-retardant plastic-packaged motor |
| WO2021036037A1 (en) * | 2019-08-30 | 2021-03-04 | 追创科技(苏州)有限公司 | Motor bearing support and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018153046A1 (en) | 2018-08-30 |
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