CN217522675U - Electrical machine - Google Patents
Electrical machine Download PDFInfo
- Publication number
- CN217522675U CN217522675U CN202221292370.3U CN202221292370U CN217522675U CN 217522675 U CN217522675 U CN 217522675U CN 202221292370 U CN202221292370 U CN 202221292370U CN 217522675 U CN217522675 U CN 217522675U
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- CN
- China
- Prior art keywords
- circuit board
- motor
- insulating member
- rotating shaft
- resin case
- 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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Abstract
The utility model relates to the technical field of electric machines, a motor is provided, the motor has: a rotating shaft, a rotor, and a stator; a resin case for accommodating the stator and the rotor; a bearing that supports the rotating shaft and enables the rotating shaft to rotate; a bearing support portion that holds the bearing; a circuit board disposed in the resin housing; the resin housing has a cylindrical portion recessed from one end to the other end in the axial direction, and the circuit board is mounted on the cylindrical portion; a shell end cover is arranged at one axial end of the circuit board, and an insulating part is arranged between the circuit board and the shell end cover; the resin case is provided with a hook portion protruding toward the insulating member, and the insulating member is provided with an opening portion; the hook portion is inserted into the opening portion, and at least a part of the hook portion overlaps with the insulating member in the axial direction. The utility model discloses can restrain the motor in the removal of omnidirectional, reduce the probability because of withstand voltage bad motor that produces.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a motor.
Background
An Electric machine (Electric machine) is commonly called a "motor", and refers to an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction. The motor is mainly used for generating driving torque and is used as a power source of electric appliances or various machines.
At present, the motor needs to be provided with an insulating part, and the insulating part covers the charging part to realize the effect of insulation and pressure resistance. The insulating member is assembled in a rolled-in state when the insulating member is pressed into the bearing bracket. By using an insulating member conforming to the shape of the inside of the housing, displacement of the insulating paper in the XY direction of the movement of the motor in the plane side can be prevented, but floating of the insulating member in the Z direction (axial direction) cannot be suppressed, and displacement of the insulating member occurs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly solve prior art's motor, can not restrain insulating part in the floating of Z direction (axial), can take place the technical problem of insulating part skew, provide a motor to restrain the motor in the removal of omnidirectional, reduce the probability because of withstand voltage bad motor that produces.
The utility model provides a motor, motor has:
a rotating shaft extending along a central axis;
a rotor supported by the rotating shaft;
a stator disposed to correspond to the rotor;
a resin case for accommodating the stator and the rotor;
a bearing that supports the rotating shaft and enables the rotating shaft to rotate;
a bearing support portion that holds the bearing;
a circuit board disposed in the resin case;
the resin housing has a cylindrical portion recessed from one end to the other end in the axial direction, and the circuit board is mounted on the cylindrical portion;
a shell end cover is arranged at one axial end of the circuit board, and an insulating part is arranged between the circuit board and the shell end cover;
the resin case is provided with a hook portion protruding toward the insulating member, and the insulating member is provided with an opening portion;
the hook portion is inserted into the opening portion, and at least a part of the hook portion overlaps the insulating member in the axial direction.
Preferably, the opening has a hole-like structure.
Preferably, the motor has a socket portion adjacent to the circuit board.
Preferably, the hook portions are located on both sides of the socket portion.
Preferably, the resin housing is an injection-molded article, and the hook portion is integrally molded.
Preferably, the housing end cap is fixed to the resin housing.
The utility model provides a pair of motor sets up the opening in insulating part's partly, and resin housing sets up hook portion, inserts hook portion to insulating part's opening, not only can prevent that the removal of motor XY direction also can prevent the floating of the insulating part of Z direction, suppresses the removal of motor in the omnidirectional, reduces the probability because of withstand voltage bad motor that produces, has also reduced the probability that the motor reworked simultaneously, avoids the reworking such as motor decomposition. The size of the insulating member is reduced, and the cost of raw materials can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a motor provided by the present invention;
fig. 2 is a schematic view of an internal structure of the motor provided by the present invention;
fig. 3 is a schematic structural diagram of the motor provided by the present invention (hiding the housing end cover);
fig. 4 is a schematic front structural view of the motor provided by the present invention (hidden housing end cap);
fig. 5 is a schematic front structural view of the motor provided by the present invention (hiding the housing end cap and the insulating member);
FIG. 6 is an enlarged view of a portion of FIG. 5;
fig. 7 is a schematic view showing the engagement of the hook portion and the opening portion.
Reference numerals are as follows: 1. a resin housing; 2. a rotating shaft; 3. a circuit board; 4. an insulating member; 5. a socket portion; 6. a housing end cap; 7. a bearing support; 8. a hook part.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.
As shown in fig. 1-6, an embodiment of the present invention provides a motor, which has: a rotary shaft 2 extending along the center axis; a rotor supported by the rotating shaft 2; a stator disposed corresponding to the rotor; a resin case 1 for accommodating the stator and the rotor; a bearing that supports the rotary shaft 2 and enables the rotary shaft 2 to rotate; a bearing support portion 7 that holds the bearing; a circuit board 3 disposed in the resin case 1. In the present embodiment, the rotor is mounted on the rotating shaft 2, and the stator is mounted outside the rotor. The stator comprises a stator core, the stator core is provided with a plurality of teeth distributed in the circumferential direction, the teeth are positioned in the radial direction of the stator core, and the teeth are wound with coils through insulating sleeves.
The resin case 1 has a cylindrical portion recessed from one end to the other end in the axial direction, and the circuit board 3 is mounted on the cylindrical portion. The main components of the rotor, stator, and the like of the present embodiment are also provided in the cylindrical portion.
A housing end cover 6 is arranged at one axial end of the circuit board 3, and an insulating member 4 is arranged between the circuit board 3 and the housing end cover 6. The shape of the insulating member 4 is adapted to the shape of the circuit board 3, and the insulating member 4 is adapted to completely cover the circuit board 3, so that the insulating member 4 can be covered with a portion that needs insulation protection, and the shape of the insulating member 4 can be optimized.
The resin case 1 is provided with a hook portion 8 protruding toward the insulating member 4, and the insulating member 4 is provided with an opening portion. As shown in fig. 7, the hook portion 8 is inserted into the opening, and at least a part of the hook portion 8 overlaps the insulating member 4 in the axial direction. Specifically, the opening may have a hole-like structure.
In the present embodiment, the opening is provided in a part of the insulating member 4, the hook portion 8 is provided in the resin case 1, and the hook portion 8 is inserted into the opening of the insulating member 4, whereby the movement of the motor in the XY direction and the floating of the insulating member 4 in the Z direction (axial direction) can be prevented.
In addition, the motor has a socket part 5, and the socket part 5 is close to the circuit board 3. The hook portions 8 are located on both sides of the socket portion 5.
The resin case 1 is an injection-molded product, and the hook portion 8 is integrally molded. The housing end cap 6 is fixed to the resin housing 1 by press fitting.
The utility model discloses a motor can restrain the motor at the removal of XYZ axle omnidirectional, reduces the probability because of the bad motor that produces of withstand voltage harmfully, has also reduced the probability that the motor reworked simultaneously, avoids the reworking such as motor decomposition. The insulating member 4 is miniaturized and the material cost can be reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. An electric machine, the electric machine having:
a rotating shaft (2) extending along a center axis;
a rotor supported by the rotating shaft (2);
a stator disposed corresponding to the rotor;
a resin case (1) for accommodating the stator and the rotor;
a bearing that supports the rotating shaft (2) and enables the rotating shaft (2) to rotate;
a bearing support portion (7) that holds the bearing;
a circuit board (3) disposed in the resin case (1);
the method is characterized in that:
the resin case (1) has a cylindrical portion recessed from one end to the other end in the axial direction, and the circuit board (3) is mounted on the cylindrical portion;
a shell end cover (6) is arranged at one axial end of the circuit board (3), and an insulating part (4) is arranged between the circuit board (3) and the shell end cover (6);
the resin case (1) is provided with a hook portion (8) protruding toward the insulating member (4), and the insulating member (4) is provided with an opening portion;
the hook portion (8) is inserted into the opening portion, and at least a part of the hook portion (8) overlaps the insulating member (4) in the axial direction.
2. The electric machine of claim 1, wherein the opening is in the form of a hole.
3. The electric machine according to claim 1, characterized in that it has a socket (5), said socket (5) being close to the circuit board (3).
4. An electric machine according to claim 3, characterized in that the hook part (8) is located on both sides of the socket part (5).
5. The motor according to claim 1, wherein the resin case (1) is an injection molded product, and the hook portion (8) is integrally molded.
6. An electric machine according to claim 1 or 5, characterized in that the housing end cap (6) is fixed to the resin housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221292370.3U CN217522675U (en) | 2022-05-27 | 2022-05-27 | Electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221292370.3U CN217522675U (en) | 2022-05-27 | 2022-05-27 | Electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217522675U true CN217522675U (en) | 2022-09-30 |
Family
ID=83389984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221292370.3U Active CN217522675U (en) | 2022-05-27 | 2022-05-27 | Electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217522675U (en) |
-
2022
- 2022-05-27 CN CN202221292370.3U patent/CN217522675U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |