CN214543827U - All-round fastening structure of stator suitable for brushless motor - Google Patents
All-round fastening structure of stator suitable for brushless motor Download PDFInfo
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- CN214543827U CN214543827U CN202120634312.3U CN202120634312U CN214543827U CN 214543827 U CN214543827 U CN 214543827U CN 202120634312 U CN202120634312 U CN 202120634312U CN 214543827 U CN214543827 U CN 214543827U
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- stator core
- end cover
- stator
- wall
- brushless motor
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Abstract
The utility model provides an all-round fastening structure of stator suitable for brushless motor, including the fuselage with locate the inside stator core of fuselage, its characterized in that: the stator core is arranged around the inner wall of the machine body, a plurality of axially extending clamping grooves are formed in the outer wall of the stator core, the inner wall of the machine body is provided with a convex strip matched with the clamping grooves, and the two ends of the machine body are respectively provided with a first end cover and a second end cover which are abutted against the two ends of the stator core. Two ends of the stator core are abutted through the first boss structure of the first end cover and the second boss structure of the second end cover, so that the stator core is ensured not to axially move after being assembled; then through the cooperation of the clamping groove on the outer wall of the stator core and the convex strip on the machine body, the stator core can be placed to move in the circumferential direction due to the action of torque in the operation process, the stator core is fixed by adopting the mode, extra clamping parts are not needed, and the manufacturing and assembling cost is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of brushless motor and specifically relates to an all-round fastening structure of stator suitable for brushless motor is related to.
[ background of the invention ]
Brushless motors are currently widely used in high-performance and high-precision scenes such as household appliances, model ships, industrial mechanical arms and the like. In order to meet the high performance requirements for motors for these applications, motor designers often best develop the performance of the motors. However, this ultimate performance is affected by many factors other than design. The manufacturing and assembling process and precision of the brushless motor directly influence the overall performance of the motor. For example, problems such as loose stator, eccentric rotor, deflection, and loose fit, which may occur during assembly, may result in lower than designed motor performance, thereby increasing the defective rate. Where stator loosening problems are a common type of problem during manufacturing and assembly.
For this reason, there is a need for further improvements in the motor manufacturing and assembly process, particularly with respect to stator loosening issues.
[ Utility model ] content
The utility model discloses under the background of motor assembly process, to the not hard up problem that appears in the assembly of stator and fuselage part, provide an all-round fastening structure of stator suitable for brushless motor, can guarantee at motor part design aspect and assembly aspect that the motor stator does not have the drunkenness, improve the structural reliability and the life-span of motor.
In order to achieve the above object, we provide an all-round fastening structure of stator suitable for brushless motor, including the fuselage with locate the inside stator core of fuselage, stator core sets up around the fuselage inner wall, is formed with many axially extended draw-in grooves on the outer wall of stator core, the inner wall of fuselage open have with draw-in groove complex sand grip, the both ends of fuselage are equipped with first end cover and the second end cover that offsets with stator core's both ends respectively.
In one or more embodiments, the first end cap abuts against one end of the stator core through a first boss structure on an inner side of the first end cap, and the second end cap abuts against the other end of the stator core through a second boss structure on an inner side of the second end cap.
In one or more embodiments, an outer convex limiting convex part is arranged on the inner wall of one end of the machine body, and the end surface of the first boss structure or the second boss structure is flush with the end surface of the inner side of the limiting convex part.
In one or more embodiments, the first boss structure and the second boss structure are circular rings.
In one or more embodiments, the first end cover and the second end cover are both mounted on the machine body through fastening bolts.
In one or more embodiments, the length of the slot is the same as the length between the two ends of the stator core.
Compared with the background art, the utility model has the following technical effects: two ends of the stator core are abutted through the first boss structure of the first end cover and the second boss structure of the second end cover, so that the stator core is ensured not to axially move after being assembled; then through the cooperation of the clamping groove on the outer wall of the stator core and the convex strip on the machine body, the stator core can be placed to move in the circumferential direction due to the action of torque in the operation process, the stator core is fixed by adopting the mode, extra clamping parts are not needed, and the manufacturing and assembling cost is reduced.
[ description of the drawings ]
Fig. 1 is a partial sectional view of a brushless motor according to an embodiment of the present invention;
FIG. 2 is a half sectional view of an axial line of a brushless motor according to an embodiment of the present invention;
fig. 3 is a left side view of a stator core according to an embodiment of the present invention;
fig. 4 is a left side view of the body according to the embodiment of the present invention;
FIG. 5 is a semi-sectional view of the fuselage of an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a first end cap according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a second end cap according to an embodiment of the present invention.
[ detailed description ] embodiments
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
Referring to fig. 1-7, the present application provides an omnidirectional stator fastening structure for a brushless motor, including a machine body 1 and a stator core 2 disposed inside the machine body 1, wherein the stator core 2 is disposed around an inner wall of the machine body, that is, an outer wall of the stator core 2 is connected to an inner wall of the machine body 1, a plurality of axially extending slots 3 are formed on the outer wall of the stator core 2, preferably, a length of the slots 3 is equal to a length between two ends of the stator core 2, the plurality of circumferentially extending slots 3 are circumferentially and uniformly disposed to ensure symmetry of the stator core 2, a protruding strip 4 matched with the slots 3 is formed on the inner wall of the machine body 1, a first end cap 5 and a second end cap 6 abutted against two ends of the stator core 2 are respectively disposed at two ends of the machine body 1, and circumferential movement of the stator core 2 can be prevented by matching the slots 3 and the protruding strip 4, the first end cap 5 and the second end cap 6 abut against the stator core 2 to prevent the stator core 2 from moving axially.
Preferably, first end cover 5 offsets through the one end of its inboard first boss structure 51 and stator core 2, and second end cover 6 offsets through the other end of its inboard second boss structure 61 and stator core 2, and is preferred, first boss structure 51 and second boss structure 61 are ring shape, stretch into fuselage 1 through ring shape boss structure, with the inner wall cooperation of fuselage 1 to conveniently install first end cover 5 and second end cover 6, first boss structure 51 and first end cover 5, and second boss structure 61 and second end cover 6 are the integrated into one piece structure.
Preferably, an outer convex limiting convex part 7 is arranged on the inner wall of one end of the machine body 1, the end surface of the first boss structure 51 or the second boss structure 61 is flush with the end surface of the inner side of the limiting convex part 7, in this embodiment, the end surface of the second boss structure 61 is flush with the end surface of the inner side of the limiting convex part 7, and the situation that the second boss structure 61 is too long and interferes with the positioning of the stator core 2 is avoided.
Preferably, the first end cover 5 and the second end cover 6 are both installed on the machine body 1 through fastening bolts 8, hole sites matched with the fastening bolts 7 are formed in the machine body 1, and the fastening bolts 8 are adopted for installation, so that the machine has the advantages of easiness in installation and disassembly.
In addition to the above embodiments, the present invention can also have other embodiments, and the technical solutions formed by equivalent replacement or equivalent transformation are adopted and all fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides an all-round fastening structure of stator suitable for brushless motor, includes fuselage (1) and locates inside stator core (2) of fuselage (1), its characterized in that: stator core (2) set up around the fuselage inner wall, are formed with many axially extended draw-in grooves (3) on the outer wall of stator core (2), the inner wall of fuselage (1) open have with draw-in groove (3) complex sand grip (4), the both ends of fuselage (1) are equipped with first end cover (5) and second end cover (6) that offset with the both ends of stator core (2) respectively.
2. The omni-directional stator fastening structure for a brushless motor according to claim 1, wherein: the first end cover (5) is abutted against one end of the stator core (2) through a first boss structure (51) on the inner side of the first end cover, and the second end cover (6) is abutted against the other end of the stator core (2) through a second boss structure (61) on the inner side of the second end cover.
3. The omni-directional stator fastening structure for a brushless motor according to claim 2, wherein: the inner wall of the machine body (1) at one end is provided with a convex limiting convex part (7), and the end face of the first boss structure (51) or the second boss structure (61) is flush with the end face of the inner side of the limiting convex part (7).
4. The omni-directional stator fastening structure for a brushless motor according to claim 2, wherein: the first boss structure (51) and the second boss structure (61) are circular rings.
5. The omni-directional stator fastening structure for a brushless motor according to claim 1, wherein: the first end cover (5) and the second end cover (6) are mounted on the machine body (1) through fastening bolts (8).
6. The omni-directional stator fastening structure for a brushless motor according to claim 1, wherein: the length of the clamping groove (3) is consistent with the length between two ends of the stator core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120634312.3U CN214543827U (en) | 2021-03-24 | 2021-03-24 | All-round fastening structure of stator suitable for brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120634312.3U CN214543827U (en) | 2021-03-24 | 2021-03-24 | All-round fastening structure of stator suitable for brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214543827U true CN214543827U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120634312.3U Active CN214543827U (en) | 2021-03-24 | 2021-03-24 | All-round fastening structure of stator suitable for brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214543827U (en) |
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2021
- 2021-03-24 CN CN202120634312.3U patent/CN214543827U/en active Active
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