CN211377771U - Motor for improving coaxiality - Google Patents
Motor for improving coaxiality Download PDFInfo
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- CN211377771U CN211377771U CN202021231972.9U CN202021231972U CN211377771U CN 211377771 U CN211377771 U CN 211377771U CN 202021231972 U CN202021231972 U CN 202021231972U CN 211377771 U CN211377771 U CN 211377771U
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- motor
- mounting hole
- bearing
- cover
- stator
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Abstract
A motor for improving coaxiality comprises a rotor, a stator and a motor shell; the stator is arranged in the motor shell and surrounds the rotor; the rotor rotates relative to the stator; the rotor comprises a motor shaft; the motor housing includes: the main frame body is integrally formed by machining, the front end cover is used for being abutted against the bearing to position the bearing, and the rear end cover, the left cover body and the right cover body are used for being abutted against the bearing to position the bearing; the main frame body includes: the flange comprises a front flange disc part, a rear flange disc part, a first connecting part and a second connecting part; the front flange disc part is provided with a front bearing mounting hole for mounting a bearing; a rear bearing mounting hole for mounting a bearing is formed in the rear flange part; the front bearing mounting hole and the rear bearing mounting hole are coaxially arranged; the left cover body, the first connecting part, the right cover body and the second connecting part are sequentially connected end to surround the stator; the stator is located between the front and rear flange disk portions. The utility model discloses an useful part lies in, can effectively guarantee the axiality of two bearings of installation.
Description
Technical Field
The utility model relates to a motor. Belongs to the field of motors.
Background
The motor is a power device which converts electric energy into mechanical energy, is used for generating driving torque and is used as a power source of electric appliances or various machines.
The motor shaft is rotationally connected to the motor housing by two bearings. The motor housing includes an upper cover and a lower cover. The upper cover body and the lower cover body respectively form a bearing seat for mounting two bearings. The upper cover body and the lower cover body are respectively connected through bolts. The traditional mode of upper cover body and lower cover body bolted connection is difficult to realize the requirement to the higher axiality of two bearing installations to make the motor vibration increase.
Disclosure of Invention
For solving the not enough of prior art, the utility model provides a motor can guarantee the axiality of two bearings of installation.
In order to achieve the above object, the utility model adopts the following technical scheme:
a motor for improving coaxiality comprises a rotor, a stator and a motor shell; the stator is arranged in the motor shell and surrounds the rotor; the rotor rotates relative to the stator; the rotor includes a motor shaft; the motor shell is a main frame body which is integrally formed by machining, and the main frame body is used for abutting against a bearing to position a front end cover rear end cover, a left cover body and a right cover body of the bearing; the main frame body includes: the flange comprises a front flange disc part, a rear flange disc part, a first connecting part and a second connecting part; the front flange disc part is provided with a front bearing mounting hole for mounting a bearing; a rear bearing mounting hole for mounting a bearing is formed in the rear flange part; the front bearing mounting hole and the rear bearing mounting hole are coaxially arranged; two ends of the first connecting part and the second connecting part are respectively connected with the front flange disc part and the rear flange disc part; the front end cover is fixed to the front flange disc part and covers the front bearing mounting hole, and a shaft hole for the motor shaft to pass through is formed in the front end cover; the rear end cover is fixed to the rear flange disc part and covers the rear bearing mounting hole; the left cover body, the first connecting part, the right cover body and the second connecting part are sequentially connected end to surround the stator; the stator is positioned between the front flange disk portion and the rear flange disk portion; the left cover body is provided with a left main body part, a left front connecting plate part connected with the front flange part, a left rear connecting plate part connected with the rear flange part, a left first connecting plate part connected with the first connecting part and a left second connecting plate part connected with the second connecting part; the left front web portion, the left rear web portion, the left first web portion and the left second web portion connect the left body portion; the right cover body is provided with a right main body part, a right front connecting plate part connected with the front flange part, a right rear connecting plate part connected with the rear flange part, a right first connecting plate part connected with the first connecting part and a right second connecting plate part connected with the second connecting part; the right front web portion, the right rear web portion, the right first web portion, and the right second web portion connect the right body portion.
Preferably, the method comprises the following steps: the left cover body and the right cover body are in central symmetry about the rotation axis of the rotor, and the left cover body and the right cover body are in mirror symmetry.
Preferably, the method comprises the following steps: the left main body part and the right main body part are positioned on two sides of the stator.
Preferably, the method comprises the following steps: the left front connecting plate part and the left rear connecting plate part are respectively connected to two sides of the left main body part; the right front web portion and the right rear web portion are connected to both sides of the right main body portion, respectively.
Preferably, the method comprises the following steps: the left first connecting plate part and the left second connecting plate part are respectively connected with two sides of the left main body part; the right first connecting plate portion and the right second connecting plate portion are connected to two sides of the right main body portion respectively.
Preferably, the method comprises the following steps: the diameters of the front bearing mounting hole and the rear bearing mounting hole are the same and larger than the diameter of the rotor.
Preferably, the method comprises the following steps: the main frame body and the rotation axis of the rotor are centrosymmetric; the stator is located between the first connection portion and the second connection portion.
Preferably, the method comprises the following steps: the two sides of the first connecting part and the second connecting part are both provided with cover body mounting holes for connecting the left cover body and the right cover body through bolts and frame body mounting holes for mounting the main frame body so as to mount the motor.
Preferably, the method comprises the following steps: the cover body mounting hole is a blind hole; the frame body mounting hole is a through hole.
Preferably, the method comprises the following steps: the cover body mounting hole and the frame body mounting hole are arranged at intervals.
The utility model discloses an useful part lies in, can effectively guarantee the axiality of two bearings of installation.
The main frame body adopts the machining to simultaneously form the front bearing mounting hole and the rear bearing mounting hole, so that the coaxiality of the front bearing mounting hole and the rear bearing mounting hole can be effectively ensured, and the coaxiality of the two bearings can be further ensured.
The main frame body plays a role of a main frame, and the front end cover, the rear end cover and the main frame body jointly form a bearing seat for mounting a bearing. The front end cover and the rear end cover are fixed to the main frame body to axially position the bearing, and the coaxiality of the bearing installation cannot be influenced. The left cover body and the right cover body are connected with the front flange disc part, the rear flange disc part, the first connecting part and the second connecting part, and the structure is stable, so that the protection effect on the internal structure of the motor is achieved.
Thereby the lid mounting hole and the installation of support body mounting hole on first connecting portion and the second connecting portion have both guaranteed the reliability of connecting left lid and right lid and can effectively realize the installation to the body frame body again and realize the installation to the motor.
Drawings
Fig. 1 is a perspective view of a motor of the present invention;
FIG. 2 is a perspective view from another perspective of the motor of FIG. 1;
FIG. 3 is a plan view of the motor of FIG. 1;
FIG. 4 is a cross-sectional view of the motor of FIG. 3 taken along line A-A;
fig. 5 is an exploded view of the motor housing of the motor of fig. 1.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, a motor 100 includes a rotor 10, a stator 20, and a motor housing 30. The stator 20 is disposed inside the motor housing 30 and surrounds the rotor 10. The rotor 10 rotates relative to the stator 20. The rotor 10 includes a motor shaft 11.
The motor housing 30 includes: the main frame body 31 is integrally formed by machining, a front end cover 32 for abutting against the bearing to position the bearing, a rear end cover 33 for abutting against the bearing to position the bearing, a left cover 34 and a right cover 35. The front cover 32, the rear cover 33, the left cover 34, and the right cover 35 are all fixed to the main frame body 31 by bolts.
The main frame body 31 includes: a front flange disk portion 311, a rear flange disk portion 312, a first connecting portion 313, and a second connecting portion 314.
The front flange portion 311 is formed with a front bearing mounting hole 3111 for mounting a bearing. The rear flange portion 312 is formed with a rear bearing mounting hole 3121 for mounting a bearing. The front end cap 32 and the rear end cap 33 axially position the two bearings, respectively. The two bearings are sleeved on the periphery of the motor shaft 11.
The front bearing mounting hole 3111 and the rear bearing mounting hole 3121 are coaxially disposed. The first connection portion 313 and the second connection portion 314 are connected at both ends thereof to the front flange portion 311 and the rear flange portion 312, respectively. The front cover 32 is fixed to the front flange portion 311 and covers the front bearing mounting hole 3111 and the front cover 32 is formed with a shaft hole through which the motor shaft 11 passes. The rear end cover 33 is fixed to the rear flange portion 312 and covers the rear bearing mounting hole 3121.
The main frame body 31 adopts the machining and simultaneously forms the front bearing mounting hole 3111 and the rear bearing mounting hole 3121, so that the coaxiality of the front bearing mounting hole 3111 and the rear bearing mounting hole 3121 can be effectively guaranteed, and further the coaxiality of the installation of the two bearings can be guaranteed. The main frame body 31 does not need to be assembled or two bearing mounting positions of the front bearing mounting hole 3111 and the rear bearing mounting hole 3121 do not need to be assembled, so that the reduction of coaxiality generated in the mounting process is effectively reduced.
The left cover 34, the first connection portion 313, the right cover 35, and the second connection portion 314 are sequentially connected end to end around the stator 20. The stator 20 is located between the front flange portion 311 and the rear flange portion 312.
The left cover 34 is formed with a left body portion 341, a left front connecting plate portion 342, a left rear connecting plate portion 343, a left first connecting plate portion 344, and a left second connecting plate portion 345.
The left front web portion 342 is connected to the front flange portion 311. The left rear web portion 343 is connected to the rear flange portion 312. The left first connection plate portion 344 is connected to the first connection portion 313. The left second connecting plate portion 345 is connected to the second connecting portion 314. The left front connecting plate portion 342, the left rear connecting plate portion 343, the left first connecting plate portion 344, and the left second connecting plate portion 345 connect the left body portion 341. Specifically, the connection is performed by means of bolting.
The right cover 35 is formed with a right body portion 351, a right front connecting plate portion 352, a right rear connecting plate portion 353, a right first connecting plate portion 354, and a right second connecting plate portion 355.
The right front web portion 352 is connected to the front flange portion 311. The right rear connecting plate portion 353 is connected to the rear flange portion 312. The right first connection plate portion 354 is connected to the first connection portion 313. The right second connecting plate portion 355 is connected to the second connecting portion 314. The right body 351 is connected to the right front plate portion 352, the right rear plate portion 353, the right first plate portion 354, and the right second plate portion 355. Specifically, the connection is performed by means of bolting.
As a specific embodiment, the left cover 34 and the right cover 35 are centrosymmetric with respect to the rotation axis of the rotor 10 and the left cover 34 and the right cover 35 are mirror-symmetric.
As a specific embodiment, the left and right body portions 341 and 351 are located at both sides of the stator 20.
As a specific embodiment, the left front connection plate portion 342 and the left rear connection plate portion 343 are connected to both sides of the left body portion 341, respectively. The right front web portion 352 and the right rear web portion 353 are connected to both sides of the right body portion 351, respectively.
As a specific embodiment, the left first connecting plate portion 344 and the left second connecting plate portion 345 are connected to both sides of the left body portion 341, respectively. The right first connecting plate portion 354 and the right second connecting plate portion 355 are connected to both sides of the right body portion 351, respectively.
As a specific embodiment, the diameters of the front bearing mounting hole 3111 and the rear bearing mounting hole 3121 are the same and larger than the diameter of the rotor 10.
As a specific embodiment, the main frame body 31 is centrosymmetric with respect to the rotation axis of the rotor 10. The stator 20 is located between the first connection portion 313 and the second connection portion 314.
As a specific embodiment, both sides of the first and second coupling parts 313 and 314 are formed with cover mounting holes 3131 for coupling the left and right covers 34 and 35 by bolts and a frame body mounting hole 3132 for mounting the main frame body 31 to mount the motor 100.
In a specific embodiment, the cover mounting hole 3131 is a blind hole. The frame body mounting hole 3132 is a through hole.
In a specific embodiment, the cover mounting hole 3131 and the frame mounting hole 3132 are spaced apart from each other.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. A motor for improving coaxiality comprises a rotor, a stator and a motor shell; the stator is arranged in the motor shell and surrounds the rotor; the rotor rotates relative to the stator; the rotor includes a motor shaft; the motor shell is characterized in that the motor shell adopts a main frame body which is integrally formed by machining, and the main frame body is used for abutting against a bearing to position a front end cover rear end cover, a left cover body and a right cover body of the bearing; the main frame body includes: the flange comprises a front flange disc part, a rear flange disc part, a first connecting part and a second connecting part; the front flange disc part is provided with a front bearing mounting hole for mounting a bearing; a rear bearing mounting hole for mounting a bearing is formed in the rear flange part; the front bearing mounting hole and the rear bearing mounting hole are coaxially arranged; two ends of the first connecting part and the second connecting part are respectively connected with the front flange disc part and the rear flange disc part; the front end cover is fixed to the front flange disc part and covers the front bearing mounting hole, and a shaft hole for the motor shaft to pass through is formed in the front end cover; the rear end cover is fixed to the rear flange disc part and covers the rear bearing mounting hole; the left cover body, the first connecting part, the right cover body and the second connecting part are sequentially connected end to surround the stator; the stator is positioned between the front flange disk portion and the rear flange disk portion; the left cover body is provided with a left main body part, a left front connecting plate part connected with the front flange part, a left rear connecting plate part connected with the rear flange part, a left first connecting plate part connected with the first connecting part and a left second connecting plate part connected with the second connecting part; the left front web portion, the left rear web portion, the left first web portion and the left second web portion connect the left body portion; the right cover body is provided with a right main body part, a right front connecting plate part connected with the front flange part, a right rear connecting plate part connected with the rear flange part, a right first connecting plate part connected with the first connecting part and a right second connecting plate part connected with the second connecting part; the right front web portion, the right rear web portion, the right first web portion, and the right second web portion connect the right body portion.
2. The improved concentricity motor of claim 1 wherein the left and right covers are centrosymmetric about the axis of rotation of the rotor and the left and right covers are mirror images.
3. The improved concentricity motor of claim 1, wherein the left and right main body portions are located on both sides of the stator.
4. The improved coaxiality motor as in claim 1, wherein said left front and rear connection plate portions are connected to both sides of said left body portion, respectively; the right front web portion and the right rear web portion are connected to both sides of the right main body portion, respectively.
5. The improved coaxiality motor as claimed in claim 1, wherein said left first web portion and said left second web portion are connected to both sides of said left body portion, respectively; the right first connecting plate portion and the right second connecting plate portion are connected to two sides of the right main body portion respectively.
6. The improved concentricity motor of claim 1 wherein the diameter of the front bearing mounting hole and the diameter of the rear bearing mounting hole are the same and larger than the diameter of the rotor.
7. The improved coaxiality motor as claimed in claim 1, wherein the main frame is centrosymmetric to the rotation axis of the rotor; the stator is located between the first connection portion and the second connection portion.
8. The motor for improving the coaxiality according to claim 1, wherein cover mounting holes for connecting the left cover and the right cover by bolts and frame mounting holes for mounting the main frame to mount the motor are formed at both sides of the first connecting portion and the second connecting portion.
9. The improved concentricity motor of claim 8 wherein the cover mounting hole is a blind hole; the frame body mounting hole is a through hole.
10. The motor of claim 8, wherein the cover mounting hole and the frame mounting hole are spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021231972.9U CN211377771U (en) | 2020-06-30 | 2020-06-30 | Motor for improving coaxiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021231972.9U CN211377771U (en) | 2020-06-30 | 2020-06-30 | Motor for improving coaxiality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211377771U true CN211377771U (en) | 2020-08-28 |
Family
ID=72156140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021231972.9U Active CN211377771U (en) | 2020-06-30 | 2020-06-30 | Motor for improving coaxiality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211377771U (en) |
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2020
- 2020-06-30 CN CN202021231972.9U patent/CN211377771U/en active Active
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