CN218416024U

CN218416024U - Plastic package stator of external rotor motor

Info

Publication number: CN218416024U
Application number: CN202222701004.5U
Authority: CN
Inventors: 华思聪
Original assignee: Shengzhou Pentium Motor Co ltd
Current assignee: Shengzhou Pentium Motor Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-31
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses an external rotor electric machine's plastic envelope stator relates to motor technical field, and its technical scheme main points are: including the plastic envelope casing, be provided with stator module in the plastic envelope casing, the tip of plastic envelope casing has the supporting seat along the outside extension of circumference, be provided with bearing room one and bearing room two that are used for installing the bearing on the plastic envelope casing, the centre bore has been seted up along its axis direction to the plastic envelope casing, the centre bore is used for supplying the pivot to pass, bearing room one and bearing room two all are linked together with the centre bore, this plastic envelope stator makes the overall structure of motor simpler, it is more convenient to make the equipment.

Description

Plastic package stator of external rotor motor

Technical Field

The utility model relates to the technical field of electric machines, in particular to plastic envelope stator of external rotor electric machine.

Background

The motor is one of basic power sources of various automatic machines, mainly comprises a stator, a rotor and a supporting piece, and realizes the mutual conversion between electric energy and mechanical energy through electromagnetic action.

Chinese patent No. CN210405053U discloses a novel outer rotor motor, which includes a stator unit, a rotor unit, and a position detecting unit; the stator unit comprises a stator main shaft and a stator armature winding fixedly arranged on the stator main shaft, the rotor unit comprises an outer rotor and rotor magnetic steel, the outer rotor surrounds the stator armature winding and is rotatably connected to the stator main shaft, the rotor magnetic steel is circumferentially arranged in the outer rotor at intervals, a mounting opening is formed in the position, opposite to the end face of the stator main shaft, of the outer rotor, and a mounting end cover is detachably sealed on the mounting opening; the position detection unit comprises induction magnetic steel and a magnetic induction encoder, the magnetic induction encoder is arranged on the end face of the stator main shaft, and the induction magnetic steel is arranged on the inner wall face of the installation end cover and keeps a gap with the magnetic induction encoder.

The technical scheme has the following defects: the outer rotor of the outer rotor motor comprises a rotor shell, a first end cover and a second end cover; rotor magnet steel circumference interval arrangement is on rotor case's inner wall, and first end cover and second end cover pass through the mounting screw on rotor case and all connect on the stator main shaft through the bearing, and the installing port setting needs first end cover and second end cover to guarantee the stable in position of bearing promptly, and the overall structure of motor is complicated, is unfavorable for making the equipment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an external rotor electric machine's plastic envelope stator, it has simple structure's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions: the plastic package casing is internally provided with a stator assembly, the end part of the plastic package casing extends outwards along the circumferential direction to form a supporting seat, a bearing chamber I and a bearing chamber II which are used for installing a bearing are arranged on the plastic package casing, a central hole is formed in the plastic package casing along the direction of the central axis of the plastic package casing, the central hole is used for a rotating shaft to penetrate, and the bearing chamber I and the bearing chamber II are communicated with the central hole.

Through the technical scheme, with bearing direct mount in bearing room one and bearing room two, under the effect of bearing room one and bearing room two, can fix a position the bearing, guarantee the stable position of bearing, need not to fix a position the bearing through the end cover again, so only need keep away from the one end installation end cover of supporting seat at rotor housing, again with the pivot connect with this end cover can, need not to set up the end cover in the one end that is close to the supporting seat, make the overall structure of motor simpler, it is more convenient to make the equipment.

Preferably, a first protrusion is formed on the side wall of the central hole in a circumferential and inward extending manner, the bearing in the first bearing chamber abuts against the upper end face of the first protrusion, and the bearing in the second bearing chamber abuts against the lower end face of the first protrusion.

Through the technical scheme, the bearing in the first bearing chamber is abutted against the upper end face of the first protrusion, and the bearing in the second bearing chamber is abutted against the lower end face of the first protrusion, so that the bearing in the first bearing chamber and the bearing in the second bearing chamber are stable in position.

Preferably, the first bearing chamber and the second bearing chamber are respectively arranged at two ends of the plastic package shell, and the first bearing chamber and the second bearing chamber are coaxially arranged.

Through the technical scheme, the first bearing chamber and the second bearing chamber are coaxially arranged, so that the bearing in the first bearing chamber and the bearing in the second bearing chamber are axially positioned, and the coaxial arrangement of the bearing in the first bearing chamber and the bearing in the second bearing chamber is ensured.

Preferably, a second protrusion is formed on the bottom surface of the supporting seat in a circumferential extending manner, and the end of the second protrusion can abut against the mounting plane.

Through above-mentioned technical scheme, the motor installation back, protruding two are inconsistent with the mounting surface, and the terminal surface that the plastic envelope casing is close to supporting seat one end can't contact with the mounting surface, and the bearing in the bearing room two can't contact with the mounting surface.

Preferably, the outer side wall of the supporting seat is provided with a plurality of mounting blocks which are uniformly distributed along the circumferential direction, and mounting holes are formed in the mounting blocks.

Through the technical scheme, a user only needs to penetrate the screw through the mounting hole in the mounting block to be connected with the mounting plane, and the motor can be mounted.

Preferably, the plastic package shell is far away from one end of the supporting seat is provided with an avoiding opening.

Through the technical scheme, the avoidance port is used for avoiding the end cover located at one end far away from the supporting seat.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is a schematic structural diagram of an embodiment;

FIG. 3 is a schematic structural diagram of another angle according to the embodiment.

Reference numerals: 1. plastic packaging the shell; 2. a stator assembly; 3. a supporting seat; 4. a first bearing chamber; 5. a second bearing chamber; 6. a central bore; 7. a first bulge; 8. a second bulge; 9. mounting blocks; 10. mounting holes; 11. avoiding the mouth.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an outer rotor electric machine's plastic envelope stator, as shown in fig. 1 to 3, includes plastic envelope casing 1, is provided with stator module 2 in the plastic envelope casing 1, needs to explain that, stator module 2 is direct by the plastic envelope in plastic envelope casing 1, and plastic envelope casing 1 has seted up centre bore 6 along its central axis direction, and centre bore 6 is used for supplying the pivot to pass.

The tip of plastic envelope casing 1 has supporting seat 3 along circumference outside extension, and is preferred, supporting seat 3 and plastic envelope casing 1 integrated into one piece, the lateral wall of supporting seat 3 is provided with a plurality of installation piece 9, circumference evenly distributed is followed to a plurality of installation piece 9, mounting hole 10 has all been seted up on a plurality of installation piece 9, in the middle of this embodiment, the quantity of installation piece 9 is four, certainly also can suitably increase or reduce, the middle part of installation piece 9 is seted up to mounting hole 10, mounting hole 10 and installation piece 9 one-to-one.

It should be noted that, in this embodiment, the bearing chamber one 4 is located at one end of the plastic package casing 1, which is far away from the supporting seat 3, and the bearing chamber two 5 is located at one end of the plastic package casing 1, which is close to the supporting seat 3, of the plastic package casing 1.

The side wall of the central hole 6 extends inwards along the circumferential direction to form a first protrusion 7, preferably, the first protrusion 7 and the plastic package shell 1 are integrally formed, a bearing in the bearing chamber I4 abuts against the upper end face of the first protrusion 7, and a bearing in the bearing chamber II 5 abuts against the lower end face of the first protrusion 7.

The bottom surface of supporting seat 3 extends along circumference and is formed with protruding one 7, and is preferred, protruding two 8 and 3 integrated into one piece of supporting seat, and the tip of protruding two 8 can be inconsistent with the mounting plane, need explain that, the mounting plane is the plane that the installation was placed for the power supply machine, accomplishes the installation back when the motor, and the tip of protruding two 8 is inconsistent with the mounting plane, and the bottom of a plurality of installing block 9 all offsets with the mounting plane, and plastic envelope casing 1 is close to the terminal surface of 3 one ends of supporting seat just can't contact with the mounting plane.

One end of the plastic package shell 1, which is far away from the supporting seat 3, is provided with an avoiding port 11, and the avoiding port 11 is used for avoiding an end cover which is located at one end of the plastic package shell 1, which is far away from the supporting seat 3.

The above description is intended to be exemplary of the present invention, and not to limit the scope of the present invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides an outer rotor electric machine's plastic envelope stator, includes plastic envelope casing (1), its characterized in that: be provided with stator module (2) in plastic envelope casing (1), the tip of plastic envelope casing (1) has supporting seat (3) along the outside extension of circumference, be provided with bearing room (4) and bearing room two (5) that are used for installing the bearing on plastic envelope casing (1), centre bore (6) have been seted up along its central axis direction in plastic envelope casing (1), centre bore (6) are used for supplying the pivot to pass, bearing room one (4) and bearing room two (5) all with centre bore (6) are linked together.

2. The plastic package stator of the external rotor motor according to claim 1, wherein: the side wall of the central hole (6) extends inwards along the circumferential direction to form a first protrusion (7), a bearing in the bearing chamber I (4) abuts against the upper end face of the first protrusion (7), and a bearing in the bearing chamber II (5) abuts against the lower end face of the first protrusion (7).

3. The plastic package stator of the external rotor motor according to claim 1, wherein: the bearing chamber I (4) and the bearing chamber II (5) are respectively arranged at two ends of the plastic package shell (1), and the bearing chamber I (4) and the bearing chamber II (5) are coaxially arranged.

4. The plastic package stator of the external rotor motor according to claim 1, wherein: the bottom surface of supporting seat (3) extends along circumference and is formed with protruding two (8), the tip of protruding two (8) can be inconsistent with the mounting plane.

5. The plastic package stator of the external rotor motor according to claim 1, wherein: the lateral wall of supporting seat (3) is provided with a plurality of installation piece (9), a plurality of installation piece (9) are along circumference evenly distributed, a plurality of mounting hole (10) have all been seted up on installation piece (9).

6. The plastic package stator of the external rotor motor according to claim 1, wherein: the plastic package shell (1) is far away from one end of the supporting seat (3) and is provided with an avoiding opening (11).