CN209250426U - A kind of motor - Google Patents
A kind of motor Download PDFInfo
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- CN209250426U CN209250426U CN201822158024.6U CN201822158024U CN209250426U CN 209250426 U CN209250426 U CN 209250426U CN 201822158024 U CN201822158024 U CN 201822158024U CN 209250426 U CN209250426 U CN 209250426U
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- motor shaft
- bearing
- end cap
- rotor
- motor
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Abstract
The utility model provides a kind of motor, belongs to technical field of industrial equipment.It solves the problems, such as that the motor axis processing technique of existing motor is complicated, production efficiency is low.This motor includes the circular cylindrical outer sleeve of both ends open and the end cap one for closed outer casing cylinder both ends, end cap two, stator is provided in outer sleeve, rotor and motor shaft, one end of motor shaft stretches out the end cap one and is provided with bearing one between the end cap one and motor shaft, the other end of motor shaft stretches out end cap two and is provided with bearing two between the end cap two and motor shaft, rotor and motor shaft are in circumferencial direction secure fit, stator is fixed on the inner wall of outer sleeve and the outside in rotor and rotor clearance cooperate, the both ends of motor shaft are respectively arranged with before capable of preventing motor shaft, the position limiting structure of axial float afterwards.The structure design of the utility model is reasonable, simple, and motor shaft is that optical axis is versatile, and assembly is relatively simple, and lower production costs, production efficiency is higher, and quality can control.
Description
Technical field
The utility model belongs to technical field of industrial equipment, is related to a kind of motor.
Background technique
Motor be in industrial circle commonly with a kind of power device, it is known that for the household electrics such as washing machine
The micro-machine of device.The rotor and purport that this motor generally includes stator, is coaxially arranged in stator and is pivotally supported by motor
In fixed and bearing aforementioned components two end caps.Two end caps are usually disposed as crimping in two axial end portions of stator respectively
The stator, and be configured to form space, especially closed space between the axial end portion of rotor.Motor shaft is respectively set
The two end caps inside, namely be arranged in end cap the side towards rotor the bearing of two bearings, and at one end
It stretches out to connect simultaneously drive transmission device.
Such as Chinese patent Patent No.: a kind of motor as described in " 201721250862.5 ", specific structure include turning
Two end caps of two axial end portions that are sub and covering the rotor, the rotor have two ends for forming two axial end portion
It ring and is mounted on motor shaft, which is supported by being arranged in two bearings on the inside of described two end caps, and the motor is also
Including two fans, each fan be assemblied between an end ring of rotor and a bearing opposite with an end ring and
Against one end ring and one bearing.
In such a configuration, it in order to be fixed for the bearing of supporting motor axis, needs to process retaining ring ditch on motor shaft
Slot, and retaining ring is placed in the groove so that bearing positions and prevents bearing axial float;Then, this to add on motor shaft
Work retaining ring groove simultaneously and cooperates the mode of fixed retaining ring to make the processing technology complexity of motor shaft, increase processing cost, reduce
Production efficiency;Moreover, because needing to be arranged for different bearing spacing the position of different retaining ring grooves, therefore this axis
Holding fixed form reduces the versatility of motor shaft, is unfavorable for quality control.
Summary of the invention
The purpose of this utility model is that it is simple, raw to provide a kind of structure for the above-mentioned problems in the prior art
Cost is relatively low for production, versatile motor.
The purpose of this utility model can be realized by the following technical scheme: a kind of motor, the cylinder including both ends open
Shape outer sleeve and end cap one, end cap two for closed outer casing cylinder both ends are provided with stator, rotor and electricity in the outer sleeve
Arbor, one end of the motor shaft stretch out the end cap one and are provided with bearing one, institute between the end cap one and motor shaft
The other end for the motor shaft stated stretches out the end cap two and is provided with bearing two between the end cap two and motor shaft, and feature exists
In in circumferencial direction secure fit, the stator is fixed on the inner wall of outer sleeve and is in for the rotor and motor shaft
The outside of rotor and rotor clearance cooperate, and the both ends of the motor shaft, which are respectively arranged with, can prevent motor shaft axle to altering
Dynamic position limiting structure.
This motor prevents motor shaft axial float when in use by position limiting structure, which is optical axis, motor shaft
Processing technology is simple, reduces motor shaft processing cost, improves production efficiency, and motor shaft is matched simply in assembled in motor, general
Property it is strong, be conducive to motor quality control.
In a kind of above-mentioned motor, the position limiting structure includes insulation sleeve one and insulation sleeve two, the insulation sleeve
One on motor shaft between rotor and bearing one and one end of the insulation sleeve one be resisted against on the front end face of the rotor,
The other end is resisted against on the inner face of the inner ring of the bearing one, and the insulation sleeve two is between rotor and bearing two
On motor shaft and one end of the insulation sleeve two is resisted against on the rear end face of the rotor, the other end is resisted against the bearing two
Inner ring front end face on.The insulation sleeve one is movably set on motor shaft, and main effect is to prevent motor shaft axially forwardly
Play, the insulation sleeve two are movably set on motor shaft, and main effect is to prevent motor shaft play axially rearward.
In a kind of above-mentioned motor, the medium position of the inner face of the end cap one is provided with bearing block one, described
One end of motor shaft pass through the bearing block one and stretch out end cap one, the bearing one be in the bearing block one and
The inner surface of the outer surface of the outer ring of the bearing one and the bearing block one is interference fitted, the inner bottom surface of the bearing block one
Above there is axial protrusion one and the axial protrusion one is axially against on the outer end face of the outer ring of the bearing one.It is mainly logical
The axial action for crossing axial protrusion one prevents motor shaft axial float in bearing block one, and axial protrusion one acts axially on axis
On the outer end face for holding one outer ring, on the inner face of the inner ring for acting axially on bearing one of the insulation sleeve one, axial protrusion one
It is mutually not dry and astringent with the axial action of insulation sleeve one, guarantee the utilization rate of motor.
In a kind of above-mentioned motor, the medium position of the inner face of the end cap two is provided with bearing block two, described
The other end of motor shaft pass through the bearing block two and stretch out end cap two, the bearing two is in the bearing block two
And the inner surface of the outer surface of the outer ring of the bearing two and the bearing block two is interference fitted, the interior bottom of the bearing block two
There is axial protrusion two on face and the axial protrusion two is axially against on the outer end face of the outer ring of the bearing two.Mainly
Motor shaft axial float in bearing block two is prevented by the axial action of axial protrusion two, axial protrusion two acts axially on
On the outer end face of the outer ring of bearing two, on the inner face of the inner ring for acting axially on bearing two of the insulation sleeve two, axial protrusion
Two and insulation sleeve two axial action it is mutually not dry and astringent, guarantee the utilization rate of motor.
It is also fixed on the end cap two to be equipped with fan housing in a kind of above-mentioned motor, on the inner wall on the fan housing
It is provided in link slot and the link slot and is provided with plane bearing, one end that the motor-shaft extending goes out end cap two is placed in described
In link slot and axially against on the plane bearing.The purpose being arranged in this way is that motor shaft rotation is more steady, is had
Good noise reduction effect.
In a kind of above-mentioned motor, the arc wind of integral type aluminum design is installed on the motor shaft in the fan housing
Leaf.The main effect of the arc fan blade is for cooling down, and the arc fan blade is the purpose that is arranged in this way of integral type aluminum design
It is to keep the cooling effect of all parts in motor more preferable.
Compared with prior art, the advantages of this motor are as follows: reasonable in design, simple, motor shaft is that optical axis is versatile,
Assemble relatively simple, lower production costs, production efficiency is higher, quality can control, be integral type aluminum design there are also fan
Arc fan blade, heat dissipation effect are preferable.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of this motor.
Fig. 2 is the enlarged structure schematic diagram in the portion A in Fig. 1.
Fig. 3 is the enlarged structure schematic diagram in the portion B in Fig. 1.
In figure, 1, outer sleeve;2, end cap one;3, end cap two;4, stator;5, rotor;6, motor shaft;7, bearing one;8, axis
Hold two;9, insulation sleeve one;10, insulation sleeve two;11, axial protrusion one;12, axial protrusion two;13, fan housing;14, plane bearing.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, Figure 2 and Figure 3, this motor mainly by the circular cylindrical outer sleeve of both ends open 1 and is used for closed outer casing
The cylinder end cap 1 at 1 both ends, end cap 23 form, and are provided with stator 4, rotor 5 and motor shaft 6 in outer sleeve 1, and the one of motor shaft 6
End stretches out end cap 1 and is provided with bearing 1 between the end cap 1 and motor shaft 6, and the other end of motor shaft 6 stretches out end cap 23
And bearing 28 is provided between the end cap 23 and motor shaft 6, rotor 5 and motor shaft 6 are in circumferencial direction secure fit, stator 4
It is fixed on the inner wall of outer sleeve 1 and is in outside and 5 clearance fit of rotor of rotor 5, the both ends of motor shaft 6 are respectively arranged with
It can prevent the position limiting structure of the forward and backward axial float of motor shaft 6.
In actually manufacture, the specific embodiment of the position limiting structure are as follows: mainly by insulation sleeve 1 and 2 10 groups of insulation sleeve
At on the motor shaft 6 that insulation sleeve 1 is between rotor 5 and bearing 1 and one end of the insulation sleeve 1 is resisted against rotor 5
On front end face, on the inner face for the inner ring that the other end is resisted against bearing 1, insulation sleeve 2 10 is between rotor 5 and bearing 28
Motor shaft 6 on and one end of the insulation sleeve 2 10 is resisted against on the rear end face of rotor 5, the other end is resisted against the interior of bearing 28
On the front end face of circle.
In actually manufacture, the medium position of the inner face of the end cap 1 is provided with bearing block one, one end of motor shaft 6
End cap 1 is stretched out across bearing block one, bearing 1 is in bearing block one and outer surface and the bearing of the outer ring of the bearing 1
The inner surface of seat one is interference fitted, and has axial protrusion 1 on the inner bottom surface of bearing block one and the axial protrusion 1 is axially supported
On the outer end face for leaning against the outer ring of bearing 1;The medium position of the inner face of end cap 23 is provided with bearing block two, motor shaft 6
The other end passes through bearing block two and stretches out end cap 23, and bearing 28 is in bearing block two and the outer surface of the outer ring of the bearing 28
It is interference fitted with the inner surface of bearing block two, there is axial protrusion 2 12 and the axial protrusion 2 12 on the inner bottom surface of bearing block two
Axially against on the outer end face of the outer ring of bearing 28.
In actually manufacture, in order to keep the rotation of motor shaft 6 more steady, there is good noise reduction effect, on the end cap 23
It is also fixed to be equipped with fan housing 13, it is provided on the inner wall on fan housing 13 in link slot and the link slot and is provided with plane bearing 14, electricity
One end that arbor 6 stretches out end cap 23 is placed in the link slot and axially against on plane bearing 14;Electricity in fan housing 13
The arc fan blade of integral type aluminum design is installed on arbor 6.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (3)
1. a kind of motor, the circular cylindrical outer sleeve (1) including both ends open and the end cap one for closed outer casing cylinder (1) both ends
(2), end cap two (3), the outer sleeve (1) is interior to be provided with stator (4), rotor (5) and motor shaft (6), the motor shaft
(6) one end stretches out the end cap one (2) and is provided with bearing one (7) between the end cap one (2) and motor shaft (6), described
The other end of motor shaft (6) stretch out the end cap two (3) and be provided with bearing between the end cap two (3) and motor shaft (6)
Two (8), which is characterized in that for the rotor (5) and motor shaft (6) in circumferencial direction secure fit, the stator (4) is fixed
On the inner wall of outer sleeve (1) and in rotor (5) outside and rotor (5) clearance fit, the both ends of the motor shaft (6)
It is respectively arranged with the position limiting structure that can prevent motor shaft (6) forward and backward axial float;The position limiting structure includes insulation sleeve one
(9) and insulation sleeve two (10), the insulation sleeve one (9) be on the motor shaft (6) between rotor (5) and bearing one (7) and
One end of the insulation sleeve one (9) is resisted against on the front end face of the rotor (5), the other end is resisted against the bearing one (7)
Inner ring inner face on, the insulation sleeve two (10) be on the motor shaft (6) between rotor (5) and bearing two (8) and
One end of the insulation sleeve two (10) is resisted against on the rear end face of the rotor (5), the other end is resisted against the bearing two (8)
Inner ring front end face on, the medium position of the inner face of the end cap one (2) is provided with bearing block one, the motor shaft
(6) one end passes through the bearing block one and stretches out end cap one (2), and the bearing one (7) is in the bearing block one
And the inner surface of the outer surface of the outer ring of the bearing one (7) and the bearing block one is interference fitted, the bearing block one
There is axial protrusion one (11) on inner bottom surface and the axial protrusion one (11) is axially against in the outer ring of the bearing one (7)
On outer end face, the medium position of the inner face of the end cap two (3) is provided with bearing block two, the motor shaft (6) it is another
One end passes through the bearing block two and stretches out end cap two (3), and the bearing two (8) is in the bearing block two and the axis
The inner surface of the outer surface and the bearing block two of holding the outer ring of two (8) is interference fitted, the inner bottom surface of the bearing block two
Above there is axial protrusion two (12) and the axial protrusion two (12) is axially against the outer end face in the outer ring of the bearing two (8)
On.
2. a kind of motor according to claim 1, which is characterized in that also fixed on the end cap two (3) to be equipped with fan housing
(13), it is provided in link slot and the link slot on the inner wall on the fan housing (13) and is provided with plane bearing (14), it is described
Motor shaft (6) stretch out one end of end cap two (3) and be placed in the link slot and axially against in the plane bearing
(14) on.
3. a kind of motor according to claim 2, which is characterized in that solid on the motor shaft (6) in the fan housing (13)
Arc fan blade equipped with integral type aluminum design.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822158024.6U CN209250426U (en) | 2018-12-21 | 2018-12-21 | A kind of motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822158024.6U CN209250426U (en) | 2018-12-21 | 2018-12-21 | A kind of motor |
Publications (1)
Publication Number | Publication Date |
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CN209250426U true CN209250426U (en) | 2019-08-13 |
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ID=67534059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201822158024.6U Active CN209250426U (en) | 2018-12-21 | 2018-12-21 | A kind of motor |
Country Status (1)
Country | Link |
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CN (1) | CN209250426U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112165219A (en) * | 2020-09-24 | 2021-01-01 | 苏州市安朋机电有限公司 | Novel motor |
CN114421701A (en) * | 2022-01-28 | 2022-04-29 | 上海纳铁福传动系统有限公司 | Motor rotor and motor |
-
2018
- 2018-12-21 CN CN201822158024.6U patent/CN209250426U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112165219A (en) * | 2020-09-24 | 2021-01-01 | 苏州市安朋机电有限公司 | Novel motor |
CN114421701A (en) * | 2022-01-28 | 2022-04-29 | 上海纳铁福传动系统有限公司 | Motor rotor and motor |
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Address after: 317500 Nine First Floor, 2479 Haifeng Road, Taizhou Development Zone, Zhejiang Province Patentee after: Zhejiang Fangyuan Sifu electromechanical Co.,Ltd. Address before: 317500 First Floor, Nine Blocks, 2479 Haifeng Road, Taizhou Development Zone, Taizhou City, Zhejiang Province Patentee before: Zhejiang Sifu Mechanical and Electrical Co.,Ltd. |