CN219875254U - Insulation structure of permanent magnet synchronous motor stator end - Google Patents
Insulation structure of permanent magnet synchronous motor stator end Download PDFInfo
- Publication number
- CN219875254U CN219875254U CN202321091594.2U CN202321091594U CN219875254U CN 219875254 U CN219875254 U CN 219875254U CN 202321091594 U CN202321091594 U CN 202321091594U CN 219875254 U CN219875254 U CN 219875254U
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- China
- Prior art keywords
- permanent magnet
- magnet synchronous
- synchronous motor
- stator end
- insulation
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- 238000009413 insulation Methods 0.000 title claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 32
- 230000000694 effects Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 11
- 238000009434 installation Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model provides an insulation structure of a stator end part of a permanent magnet synchronous motor. The insulation structure of the permanent magnet synchronous motor stator end comprises a shell and a closed cover, wherein the side surface of the shell is fixedly connected with a mounting seat, the front surface of the inner wall of the shell is fixedly connected with a coil winding, and the top of the inner cavity of the closed cover is fixedly sleeved with a first guide pipe. According to the insulation structure of the stator end part of the permanent magnet synchronous motor, the insulation frame is arranged, when the rotor needs to be installed, the rotor is movably sleeved in the sealing cover, namely the rotating shaft is movably sleeved in the insulation frame, so that the insulation frame can limit the rotating shaft, the insulation frame can uniformly smear lubricating oil on the surface of the rotating shaft, the friction force of the rotating shaft during rotation is greatly reduced, the problem that the insulation effect is reduced when the stator end part is worn is solved, and the service life of the motor is prolonged.
Description
Technical Field
The utility model relates to the field of synchronous motors, in particular to an insulation structure of a stator end part of a permanent magnet synchronous motor.
Background
The permanent magnet synchronous motor uses the permanent magnet to provide excitation, so that the motor structure is simpler, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the operation reliability of the motor is improved; the permanent magnet synchronous motor is composed of the stator, the rotor, the end cover and other parts. The stator is substantially identical to a conventional induction motor and a lamination is used to reduce the iron loss during operation of the motor. The rotor can be made solid or laminated. The armature winding can be concentrated and whole-distance winding, or distributed short-distance winding and unconventional winding.
In the prior art, for example, chinese patent No.: the utility model provides an insulating structure of "permanent magnet synchronous motor stator tip" of CN216056492U, wherein includes body, preceding terminal surface, bearing, pivot, coupling mechanism, adjustment mechanism, installation strip, intake pipe, gas storage storehouse, inlet port, one side of body is provided with preceding terminal surface, the inside of preceding terminal surface is provided with the bearing, the inside of bearing is provided with the pivot, one side of preceding terminal surface is provided with coupling mechanism, the inside of body is provided with the installation strip, the upper end of installation strip is provided with adjustment mechanism, be provided with the fixed glue between body and the preceding terminal surface, and one side of body is through fixed glue and one side fixed connection of preceding terminal surface, be provided with the mounting hole between preceding terminal surface and the bearing. The insulation structure of the end part of the permanent magnet synchronous motor stator is convenient to connect, good in insulativity and capable of being adjusted to adapt to stators of permanent magnet synchronous motors of different specifications, and brings better use prospects.
In the prior art, as the stator end part plays a role in rotor positioning, friction is easy to occur between the stator end part and the stator end part during long-term high-speed rotation, and therefore the insulation effect is reduced when the stator end part is worn.
Therefore, it is necessary to provide an insulation structure for the stator end of the permanent magnet synchronous motor to solve the above technical problems.
Disclosure of Invention
The utility model provides an insulation structure of a stator end part of a permanent magnet synchronous motor, which solves the problem that the insulation effect is reduced when the stator end part is worn out due to the fact that the stator end part plays a role in rotor positioning and is easy to rub with the stator end part during long-term high-speed rotation.
In order to solve the technical problems, the insulation structure of the stator end part of the permanent magnet synchronous motor comprises a shell and a closed cover, wherein the side surface of the shell is fixedly connected with a mounting seat, the front surface of the inner wall of the shell is fixedly connected with a coil winding, the top of the inner cavity of the closed cover is fixedly sleeved with a first guide pipe, the bottom of the first guide pipe is fixedly sleeved with a limit brush, the top of the inner cavity of the closed cover is fixedly sleeved with a second guide pipe, the inner part of the closed cover is movably sleeved with a rotating shaft, the bottom of the second guide pipe is fixedly sleeved with an insulation frame, the top of the closed cover is provided with an auxiliary mechanism, the inner part of the mounting seat is movably sleeved with a sealing gasket, and the side surface of the closed cover is provided with a fixing mechanism.
Preferably, the number of the insulating frames is two, and the two insulating frames are symmetrically distributed by taking the rotation axis as a symmetry axis.
Preferably, the material of the limiting brush is organic glass material, and the number of the limiting brushes is four.
Preferably, the auxiliary mechanism comprises an oil storage box which is fixedly connected to the top of the closed cover, and a sealing plug is sleeved on the top thread of the oil storage box.
Preferably, the sealing gasket is matched with the mounting seat, and the sealing gasket is made of rubber materials.
Preferably, the fixing mechanism comprises a limiting block, the limiting block is fixedly connected to the side face of the closed cover, a bolt is sleeved on the internal thread of the limiting block, and the limiting block is matched with the mounting seat.
Compared with the related art, the insulation structure of the end part of the permanent magnet synchronous motor stator has the following beneficial effects:
the utility model provides an insulation structure of a stator end part of a permanent magnet synchronous motor, which is characterized in that an insulation frame is arranged, when a rotor is required to be installed, the rotor is movably sleeved in a closed cover, namely, a rotating shaft is movably sleeved in the insulation frame, so that the insulation frame can limit the rotating shaft, the insulation frame can uniformly smear lubricating oil on the surface of the rotating shaft, the friction force of the rotating shaft during rotation is greatly reduced, the problem of reduced insulation effect caused by abrasion of the stator end part is avoided, and the service life of the motor is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an insulation structure of a stator end of a permanent magnet synchronous motor according to the present utility model;
FIG. 2 is a side cross-sectional view of an insulating frame in the insulating structure of the stator end of the permanent magnet synchronous motor of FIG. 1;
fig. 3 is a perspective view of a mounting seat in an insulation structure of a stator end of the permanent magnet synchronous motor shown in fig. 1.
Reference numerals in the drawings: 1. a housing; 2. a closure; 3. a mounting base; 4. a coil winding; 5. a first guide pipe; 6. a limit brush; 7. a second guide pipe; 8. a rotation shaft; 9. an insulating frame; 10. an auxiliary mechanism; 101. an oil storage box; 102. a sealing plug; 11. a sealing gasket; 12. a fixing mechanism; 121. a limiting block; 122. and (5) a bolt.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of an insulation structure of a stator end of a permanent magnet synchronous motor according to the present utility model; FIG. 2 is a side cross-sectional view of an insulating frame in the insulating structure of the stator end of the permanent magnet synchronous motor of FIG. 1; fig. 3 is a perspective view of a mounting seat in an insulation structure of a stator end of the permanent magnet synchronous motor shown in fig. 1. The utility model provides an insulation system of permanent magnet synchronous motor stator tip, including casing 1 and enclosure 2, the side fixedly connected with mount pad 3 of casing 1, the positive fixedly connected with coil winding 4 of casing 1 inner wall, the fixed pipe 5 that has led of having cup jointed in top of enclosure 2 inner chamber, the fixed spacing brush 6 that has cup jointed in bottom of pipe 5, the fixed pipe 7 that has cup jointed No. two of top of enclosure 2 inner chamber, the rotation axis 8 that has cup jointed in the inside activity of enclosure 2, the fixed insulating frame 9 that has cup jointed in bottom of No. two pipe 7, the top of enclosure 2 is provided with assist mechanism 10, the sealed pad 11 that has cup jointed in the inside activity of mount pad 3, the side of enclosure 2 is provided with fixed establishment 12.
The number of the insulating frames 9 is two, and the two insulating frames 9 are symmetrically distributed by taking the rotating shaft 8 as a symmetrical axis; through setting up the insulating frame 9, when the rotor needs to be installed, cup joint the rotor activity in the inside of enclosing cover 2, even make rotation axis 8 activity cup joint in the inside of insulating frame 9 for insulating frame 9 can go on to inject to rotation axis 8, makes insulating frame 9 can evenly smear the lubricating oil to rotation axis 8's surface, and then very big reduction the frictional force when rotation axis 8 is rotatory, thereby avoided leading to the problem that insulating effect reduces when the stator tip takes place wearing and tearing, thereby improved the life of motor.
The limiting brushes 6 are made of organic glass materials, and the number of the limiting brushes 6 is four; through setting up spacing brush 6, when carrying out the rotor equipment, cup joint the rotor activity in the inside of enclosure 2, the spacing brush 6 of enclosure 2 inside can carry out the position to the rotor and prescribe a limit to this moment to guaranteed that the stable restriction of rotor is at enclosure 2 middle part, thereby improved the stability of rotor position.
The auxiliary mechanism 10 comprises an oil storage box 101, the oil storage box 101 is fixedly connected to the top of the closed cover 2, and a sealing plug 102 is sleeved on the top thread of the oil storage box 101; by providing the auxiliary mechanism 10, when the lubricating oil inside the closure cap 2 is dried, the sealing plug 102 is rotated so that the sealing plug 102 can be taken out from the top of the oil storage box 101, i.e., the oil storage box 101 can be opened, thereby facilitating the addition of the lubricating oil inside the oil storage box 101, i.e., facilitating the addition of the lubricating oil inside the closure cap 2.
The sealing gasket 11 is matched with the mounting seat 3, and the sealing gasket 11 is made of rubber material; through setting up sealed pad 11, when carrying out sealed cover 2 installation fixedly, sealed pad 11 must fill the clearance between sealed cover 2 and the mount pad 3 for avoided sealed cover 2 and the great problem that leads to casing 1 inside leakproofness relatively poor in clearance between the mount pad 3, thereby improved the compactness after the motor equipment.
The fixing mechanism 12 comprises a limiting block 121, the limiting block 121 is fixedly connected to the side face of the closed cover 2, a bolt 122 is sleeved on the inner thread of the limiting block 121, and the limiting block 121 is matched with the mounting seat 3; through setting up fixed establishment 12, when carrying out enclosure 2 fixed, cup joint stopper 121 activity in the inside of mount pad 3, rotatory bolt 122 this moment for bolt 122 can drive the inseparable extrusion of stopper 121 in the inside of mount pad 3, thereby reaches enclosure 2 installation fixed effect, and then has brought the facility for the fixed mounting of motor stator tip.
The utility model provides an insulation structure of a stator end part of a permanent magnet synchronous motor, which has the following working principle:
the first step: when the rotor is required to be installed, the rotor is movably sleeved in the sealed cover 2, namely the rotating shaft 8 is movably sleeved in the insulating frame 9, so that the insulating frame 9 can perform limitation on the rotating shaft 8, the insulating frame 9 is enabled to uniformly smear lubricating oil on the surface of the rotating shaft 8, further, the friction force of the rotating shaft 8 during rotation is greatly reduced, the problem that the insulating effect is reduced when the end part of a stator is worn is avoided, the service life of the motor is prolonged, when the rotor is assembled, the rotor is movably sleeved in the sealed cover 2, at the moment, the position of the rotor is limited by the limiting brush 6 in the sealed cover 2, the stable limitation of the rotor in the right middle part of the sealed cover 2 is ensured, the stability of the rotor position is improved, when the lubricating oil in the sealed cover 2 is dry, the sealing plug 102 is rotated, the sealing plug 102 is enabled to be taken out from the top of the oil storage box 101, namely the oil storage box 101 is opened, and the lubricating oil is conveniently added into the sealed cover 2;
and a second step of: when carrying out enclosure 2 installation fixedly, sealed pad 11 can fill the clearance between enclosure 2 and mount pad 3 for avoided the clearance between enclosure 2 and the mount pad 3 great lead to the inside leakproofness of casing 1 poor problem, thereby improved the compactness after the motor equipment, when enclosure 2 is fixed, cup joint stopper 121 activity in the inside of mount pad 3, rotatory bolt 122 this moment, make bolt 122 drive stopper 121 inseparable extrusion in the inside of mount pad 3, thereby reach enclosure 2 installation fixedly effect, and then brought the facility for the fixed mounting of motor stator tip.
Compared with the related art, the insulation structure of the end part of the permanent magnet synchronous motor stator has the following beneficial effects:
through setting up the insulating frame 9, when the rotor needs to be installed, cup joint the rotor activity in the inside of enclosing cover 2, even make rotation axis 8 activity cup joint in the inside of insulating frame 9 for insulating frame 9 can go on to inject to rotation axis 8, makes insulating frame 9 can evenly smear the lubricating oil to rotation axis 8's surface, and then very big reduction the frictional force when rotation axis 8 is rotatory, thereby avoided leading to the problem that insulating effect reduces when the stator tip takes place wearing and tearing, thereby improved the life of motor.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides an insulation system of permanent magnet synchronous motor stator tip, includes casing (1) and enclosure (2), its characterized in that: the utility model discloses a motor, including casing (1), fixed cover (2) and fixed cover, the side fixedly connected with mount pad (3) of casing (1), the positive fixedly connected with coil winding (4) of casing (1) inner wall, fixed cover of top of sealed cover (2) inner chamber has been led and has been sent pipe (5) No. one, the fixed spacing brush (6) that has cup jointed in bottom of No. one led and sent pipe (5), the fixed cover of top of sealed cover (2) inner chamber has been led and has been sent pipe (7) No. two, the rotation axis (8) has been cup jointed in the inside activity of sealed cover (2), the fixed cover of bottom of No. two leading pipe (7) has been cup jointed insulating frame (9), the top of sealed cover (2) is provided with auxiliary mechanism (10), sealed pad (11) have been cup jointed to the inside activity of mount pad (3), the side of sealed cover (2) is provided with fixed establishment (12).
2. An insulation structure for stator end parts of a permanent magnet synchronous motor according to claim 1, characterized in that the number of the insulation frames (9) is two, and the two insulation frames (9) are symmetrically distributed with the rotation shaft (8) as a symmetry axis.
3. The insulation structure of the stator end of the permanent magnet synchronous motor according to claim 1, wherein the limiting brushes (6) are made of organic glass materials, and the number of the limiting brushes (6) is four.
4. The insulation structure of the stator end of the permanent magnet synchronous motor according to claim 1, wherein the auxiliary mechanism (10) comprises an oil storage box (101), the oil storage box (101) is fixedly connected to the top of the closed cover (2), and a sealing plug (102) is sleeved on the top thread of the oil storage box (101).
5. The insulation structure of the stator end of the permanent magnet synchronous motor according to claim 1, wherein the sealing gasket (11) is matched with the mounting seat (3), and the sealing gasket (11) is made of rubber material.
6. The insulation structure of a stator end of a permanent magnet synchronous motor according to claim 1, wherein the fixing mechanism (12) comprises a limiting block (121), the limiting block (121) is fixedly connected to the side face of the closed cover (2), a bolt (122) is sleeved on an internal thread of the limiting block (121), and the limiting block (121) is matched with the mounting seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091594.2U CN219875254U (en) | 2023-05-09 | 2023-05-09 | Insulation structure of permanent magnet synchronous motor stator end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091594.2U CN219875254U (en) | 2023-05-09 | 2023-05-09 | Insulation structure of permanent magnet synchronous motor stator end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875254U true CN219875254U (en) | 2023-10-20 |
Family
ID=88319137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321091594.2U Active CN219875254U (en) | 2023-05-09 | 2023-05-09 | Insulation structure of permanent magnet synchronous motor stator end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875254U (en) |
-
2023
- 2023-05-09 CN CN202321091594.2U patent/CN219875254U/en active Active
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