CN218301047U - External rotor motor - Google Patents
External rotor motor Download PDFInfo
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- CN218301047U CN218301047U CN202222425967.7U CN202222425967U CN218301047U CN 218301047 U CN218301047 U CN 218301047U CN 202222425967 U CN202222425967 U CN 202222425967U CN 218301047 U CN218301047 U CN 218301047U
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- external rotor
- electric machine
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- rotor electric
- locating piece
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Abstract
The utility model discloses an external rotor electric machine relates to motor technical field, and its technical scheme main points are: including the plastic envelope body, stator, pivot and external rotor, the stator sets up in the plastic envelope body, and the pivot passes the stator to be connected with the external rotor, and the outside of stator is located to the external rotor cover, and the tip of the plastic envelope body is provided with the plastic envelope end plate, and the lateral wall of plastic envelope end plate is provided with a plurality of locating piece, and a plurality of locating piece can be respectively the joint in a plurality of constant head tank on the mounting base, this external rotor electric machine easy dismounting.
Description
Technical Field
The utility model relates to the technical field of electric machines, in particular to external rotor electric machine.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, mutual conversion between electric energy and mechanical energy is realized through electromagnetic action, and the motor can be divided into an inner rotor motor and an outer rotor motor.
Chinese patent No. CN205212567U discloses a plastic package stator of an external rotor motor and an external rotor motor using the same, wherein the plastic package stator includes a stator core, an end insulator, a coil winding and a plastic package body, the end insulator is mounted on an end surface of the stator core, the coil winding is wound on the end insulator, the plastic package body connects the stator core, the end insulator and the coil winding into a whole, a plastic package end plate is arranged on one end of the stator core and the plastic package body, an annular flange with a gap is extended from the plastic package end plate to one side of the stator core, the plastic package body is provided with the plastic package end plate, a plurality of mounting pins are extended from an outer edge of the plastic package end plate, and positioning holes are formed in the mounting pins; the outer rotor motor comprises a rotating shaft, a plastic package stator and an outer rotor, wherein the outer rotor is sleeved outside the plastic package stator, and the rotating shaft is installed in the middle of the plastic package stator and connected with the outer rotor.
To this external rotor electric machine's installation, need installer to pass the locating hole and the mounting base threaded connection on the installation foot with the screw, realize being connected of external rotor electric machine and mounting base through threaded connection, but this mounting means operation is convenient inadequately for the installation is wasted time and energy, has increased installer's intensity of labour, can't satisfy actual demand, and inconvenient dismantlement after the installation leads to follow-up maintainer to dismantle inconveniently when the work that external rotor electric machine maintained.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an external rotor electric machine, its advantage that has easy dismounting.
The above technical purpose of the present invention can be achieved by the following technical solutions: including the plastic-sealed body, stator, pivot and external rotor, the stator set up in the plastic-sealed body, the pivot passes the plastic-sealed body, the pivot with the external rotor is connected, the external rotor cover is located the outside of stator, the tip of the plastic-sealed body is provided with the plastic envelope end plate, the lateral wall of plastic envelope end plate is provided with a plurality of locating piece, a plurality of the locating piece can be respectively the joint a plurality of constant head tank on the mounting substrate.
Through the technical scheme, when installer installs this external rotor electric machine, place this external rotor electric machine on the mounting base earlier, this moment a plurality of locating piece is equallyd divide and do not is located between two adjacent constant head tanks, then installer rotates this external rotor electric machine through external force, along with external rotor electric machine rotates makes a plurality of locating piece a plurality of constant head tank of joint on the mounting base respectively, through a plurality of locating piece joint respectively in a plurality of constant head tank realization external rotor electric machine is connected with the mounting base, moreover, the steam generator is simple in operation, high durability and convenient installation, external rotor electric machine and mounting base assembling process are simple swift, production efficiency improves, when maintainer dismantles this external rotor electric machine, only need maintainer to rotate this external rotor electric machine through external force, make a plurality of locating piece break away from a plurality of constant head tank on the mounting base respectively, this moment a plurality of locating piece is equallyd and is located between two adjacent constant head tanks respectively, maintainer can take off external rotor electric machine from the mounting base this moment, the steam generator is simple operation, the dismantlement is convenient.
Preferably, the upper ends of the positioning blocks are provided with inclined planes, and the inclined planes are arranged from low to high along the circumferential direction of the center.
Through above-mentioned technical scheme, when a plurality of locating piece difference joint during in a plurality of constant head tank on the mounting base, under the effect on inclined plane for a plurality of locating piece can't break away from easily in a plurality of constant head tank easily, and the connection between external rotor electric machine and the mounting base is more stable promptly.
Preferably, a plurality of the positioning blocks are uniformly distributed along the circumferential direction, and the adjacent positioning blocks are arranged at intervals.
Through above-mentioned technical scheme, a plurality of locating piece difference joint realizes being connected of external rotor electric machine and mounting base in a plurality of constant head tank, and a plurality of locating piece is along circumference evenly distributed for be connected more stably between external rotor electric machine and the mounting base.
Preferably, the bottoms of the positioning blocks are provided with protrusions which can be clamped in grooves in the mounting base.
Through above-mentioned technical scheme, when a plurality of locating piece difference joint in a plurality of constant head tank, protruding joint in the recess this moment guarantees joint in a plurality of constant head tank that a plurality of locating piece can be stable under the cooperation of arch and recess for a plurality of locating piece can't break away from easily in a plurality of constant head tank, and the connection between external rotor electric machine and the mounting base is more stable.
Preferably, the surface of the protrusion is arc-shaped.
Through above-mentioned technical scheme, bellied surface is circular-arc, and maintainer is more laborsaving when rotating this external rotor electric machine through external force and making the arch break away from the recess on the mounting base, and it is more convenient to dismantle.
Preferably, the side wall of the plastic package end plate extends outwards to form a connecting block, and a positioning hole is formed in the connecting block.
Through above-mentioned technical scheme, the installer passes the locating hole and the mounting base threaded connection on the connecting block with the screw, and external force can't rotate this external rotor electric machine before the screw is taken off, guarantees the joint in a plurality of constant head tank that a plurality of locating piece can be stable, and the connection between external rotor electric machine and the mounting base is more stable.
Preferably, the plastic package end plate is provided with a wire clip for fixing a wire.
Through the technical scheme, the lead is fixed on the wire outlet clamp, so that the wire is prevented from falling off due to pulling of external force.
Preferably, the plastic package body is provided with a first mounting cavity and a second mounting cavity, the first mounting cavity is internally provided with a first bearing, and the second mounting cavity is internally provided with a second bearing.
Through the technical scheme, the first bearing and the second bearing are respectively arranged in the first installation cavity and the second installation cavity, and the first installation cavity and the second installation cavity respectively limit the first bearing and the second bearing, so that the stability of the first bearing and the second bearing is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic view of a part of the structure of the embodiment;
FIG. 3 is a partial schematic view of another embodiment;
fig. 4 is a partial cross-sectional view of an embodiment.
Reference numerals: 1. a plastic package body; 2. a stator; 3. a rotating shaft; 4. an outer rotor; 5. plastically packaging the end plate; 6. positioning blocks; 7. a bevel; 8. a protrusion; 9. connecting blocks; 10. positioning holes; 11. a wire outlet clip; 12. mounting a first cavity; 13. a second mounting cavity; 14. a first bearing; 15. a second bearing; 16. and a through hole.
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.
An outer rotor motor is shown in fig. 1 to 4, and comprises a plastic package body 1, a stator 2, a rotating shaft 3 and an outer rotor 4, wherein the stator 2 is arranged in the plastic package body 1, the rotating shaft 3 penetrates through the plastic package body 1, specifically, a through hole 16 is formed in the plastic package body 1 along a central axis, the rotating shaft 3 penetrates through the through hole 16, the rotating shaft 3 is connected with the outer rotor 4, and the outer side of the stator 2 is sleeved with the outer rotor 4.
The plastic package body 1 is provided with a first mounting cavity 12 and a second mounting cavity 13, preferably, the first mounting cavity 12 and the second mounting cavity 13 are respectively arranged at two ends of the plastic package body 1, the first mounting cavity 12 and the second mounting cavity 13 are communicated with the through hole 16, a first bearing 14 is arranged in the first mounting cavity 12, and a second bearing 15 is arranged in the second mounting cavity 13.
The tip of the plastic envelope body 1 is provided with plastic envelope end plate 5, it is preferred, the plastic envelope body 1 and plastic envelope end plate 5 integrated into one piece, the lateral wall of plastic envelope end plate 5 is provided with a plurality of locating piece 6, a plurality of locating piece 6 is along circumference evenly distributed, the interval sets up between each adjacent locating piece 6, a plurality of locating piece 6 can joint a plurality of constant head tank on the mounting base respectively, it is to be explained that, in this embodiment, locating piece 6 is preferably four, then four constant head tanks have been seted up on the corresponding mounting base, locating piece 6 and constant head tank one-to-one, and when a plurality of locating piece 6 joint in a plurality of constant head tank respectively, the constant head tank carries on spacingly along the central axis direction locating piece 6, locating piece 6 can't break away from the constant head tank along the central axis direction promptly, only can rotate external rotor motor through external force, just can make locating piece 6 break away from the constant head tank.
The upper ends of the positioning blocks 6 are all provided with inclined planes 7, and the inclined planes 7 are arranged along the circumferential direction of the center from low to high.
The bottom of a plurality of locating piece 6 all is provided with arch 8, and is preferred, locating piece 6 and protruding 8 integrated into one piece, and protruding 8 surface is circular-arcly, and protruding 8 can the joint in the recess on the mounting base, offers the recess corresponding with protruding 8 on the mounting base promptly, a plurality of arch 8 and a plurality of recess one-to-one, and protruding 8 and recess looks adaptation.
The side wall of the plastic envelope end plate 5 extends outwards to form a connecting block 9, a positioning hole 10 is formed in the connecting block 9, it should be noted that a mounting hole corresponding to the positioning hole 10 is formed in the mounting base, and an installer can connect the screw with the mounting hole through penetrating the positioning hole 10.
And the plastic package end plate 5 is provided with a wire outlet clamp 11 for fixing a lead.
The disassembling and assembling principle of the external rotor motor is as follows:
when an installer installs the external rotor motor, firstly, the external rotor motor is placed on an installation base, a plurality of positioning blocks 6 are respectively positioned between two adjacent positioning grooves, then the installer rotates the external rotor motor through external force until the positioning blocks 6 are respectively clamped in the positioning grooves on the installation base, a plurality of bulges 8 are respectively clamped in a plurality of grooves on the installation base, and finally, a screw penetrates through a positioning hole 10 on a connecting block 9 to be in threaded connection with an installation hole, so that the installation is finished;
when the maintainer dismantles this external rotor electric machine, at first remove the threaded connection between screw and the mounting hole, take out the screw from locating hole 10, this external rotor electric machine is rotated to rethread external force, make a plurality of locating piece 6 break away from respectively in a plurality of constant head tank on the mounting base, a plurality of arch 8 breaks away from respectively in a plurality of recess on the mounting base, until a plurality of locating piece 6 equally divide and do not lie in between two adjacent constant head tanks, the maintainer takes off external rotor electric machine from the mounting base again this moment, dismantle promptly and accomplish.
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 (8)
1. The utility model provides an external rotor electric machine, includes plastic envelope body (1), stator (2), pivot (3) and external rotor (4), its characterized in that: stator (2) set up in the plastic-sealed body (1), pivot (3) pass the plastic-sealed body (1), pivot (3) with external rotor (4) are connected, external rotor (4) cover is located the outside of stator (2), the tip of the plastic-sealed body (1) is provided with plastic envelope end plate (5), the lateral wall of plastic envelope end plate (5) is provided with a plurality of locating piece (6), a plurality of locating piece (6) can be respectively the joint in a plurality of constant head tank on the mounting base.
2. The external rotor electric machine according to claim 1, wherein: the upper ends of the positioning blocks (6) are provided with inclined planes (7), and the inclined planes (7) are arranged from low to high along the circumferential direction of the center.
3. The external rotor electric machine according to claim 1, wherein: the positioning blocks (6) are uniformly distributed along the circumferential direction, and the adjacent positioning blocks (6) are arranged at intervals.
4. An external rotor electric machine as claimed in claim 1, wherein: the bottom of a plurality of locating piece (6) all is provided with arch (8), arch (8) can the joint in the recess on the mounting base.
5. The external rotor electric machine according to claim 4, wherein: the surface of the bulge (8) is arc-shaped.
6. The external rotor electric machine according to claim 1, wherein: the side wall of the plastic package end plate (5) extends outwards to form a connecting block (9), and a positioning hole (10) is formed in the connecting block (9).
7. The external rotor electric machine according to claim 1, wherein: and an outlet clamp (11) for fixing the lead is arranged on the plastic package end plate (5).
8. The external rotor electric machine according to claim 1, wherein: the plastic package body (1) is provided with a first mounting cavity (12) and a second mounting cavity (13), a first bearing (14) is arranged in the first mounting cavity (12), and a second bearing (15) is arranged in the second mounting cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425967.7U CN218301047U (en) | 2022-09-13 | 2022-09-13 | External rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425967.7U CN218301047U (en) | 2022-09-13 | 2022-09-13 | External rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301047U true CN218301047U (en) | 2023-01-13 |
Family
ID=84814191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222425967.7U Active CN218301047U (en) | 2022-09-13 | 2022-09-13 | External rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301047U (en) |
-
2022
- 2022-09-13 CN CN202222425967.7U patent/CN218301047U/en active Active
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