CN211239481U

CN211239481U - Surface-mounted permanent magnet rotor

Info

Publication number: CN211239481U
Application number: CN201922387698.8U
Authority: CN
Inventors: 王赟; 王国培
Original assignee: Jiangsu Riseman Energy Conservation Tech Co ltd
Current assignee: Jiangsu Riseman Energy Conservation Tech Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-11
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a permanent-magnet machine technical field just discloses table pastes formula permanent magnet rotor, including the iron core, the inner wall swing joint of iron core has the pivot, the outer wall fixedly connected with permanent magnet of iron core, the outer wall fixedly connected with slide wedge of iron core, the outer wall fixedly connected with sheath of slide wedge, the outer wall swing joint of sheath has first solid fixed ring, first connecting hole has been seted up to first solid fixed ring's outer wall, first solid fixed ring's first retainer of outer wall fixedly connected with, the outer wall swing joint of sheath has the solid fixed ring of second, the second connecting hole has been seted up to the solid fixed ring's of second outer wall. This surface-mounted permanent magnet rotor can reach the purpose that carries out the assembly that stabilizes to the rotor, has solved the poor problem of general permanent magnet rotor steadiness ability for the assembly precision is showing and is improving, has effectively improved power density and torque coefficient, has improved the performance of motor greatly, and motor operating property is steady, and practicality is good.

Description

Surface-mounted permanent magnet rotor

Technical Field

The utility model relates to a permanent-magnet machine technical field specifically is surface-mounted permanent magnet rotor.

Background

Compared with the traditional electric excitation motor, the permanent magnet motor, especially the rare earth permanent magnet motor has the remarkable advantages of simple structure, reliable operation, small volume, light weight, small loss, high efficiency, flexible and various shapes and sizes of the motor, and the like. With the continuous improvement of the performance of permanent magnet materials and the development of motor technology, permanent magnet motors are widely applied in various fields of national economy, and permanent magnet rotors are important components of the permanent magnet motors. The traditional permanent magnet motor rotor can be divided into a surface type, a built-in type and a claw pole type according to the difference of the positions of permanent magnets on the rotor, because the interpolar magnetic leakage of the surface-mounted permanent magnet rotor is small, the pole arc coefficient and the section shape of the surface-mounted permanent magnet rotor can be randomly adjusted according to the requirement of air gap magnetic flux density on spatial distribution, and the manufacturing process is simple. The magnet steel mounting means of traditional rotor is with magnet steel bonding surface coating rubberizing, then bonds magnet steel in the rotor surface, the no latitude area of winding at last, this kind of mode assembly precision is low, but along with the extension of temperature and time, the rotor magnet steel that appears is deviate from the phenomenon easily, leads to the steadiness ability of rotor to reduce, influences the motor performance, leads to motor operation performance unstable, the security performance when having reduced the use of motor can cause harm to assembly personnel even.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a surface-mounted permanent magnet rotor, this surface-mounted permanent magnet rotor possess advantages such as steadiness can be good, have solved the poor problem of general permanent magnet rotor steadiness ability.

(II) technical scheme

For the purpose that realizes that above-mentioned table pastes formula permanent magnet rotor steadiness can be good, the utility model provides a following technical scheme: surface-mounted permanent magnet rotor, including the iron core, the inner wall swing joint of iron core has the pivot, the outer wall fixedly connected with permanent magnet of iron core, the outer wall fixedly connected with slide wedge of iron core, the outer wall fixedly connected with sheath of slide wedge, the outer wall swing joint of sheath has first solid fixed ring, first connecting hole has been seted up to first solid fixed ring's outer wall, the first retainer frame of first solid fixed ring's outer wall fixedly connected with, the outer wall swing joint of sheath has the solid fixed ring of second, the second connecting hole has been seted up to the solid fixed ring's of second outer wall, the solid fixed ring's of second outer wall fixedly connected with second retainer, the outer wall swing joint of first retainer frame has the screw, logical groove has been seted up to the outer wall of iron core, the outer wall fixedly connected with magnet steel of iron.

Preferably, the wedge is a triangular wedge, and the height of the wedge is eight millimeters.

Preferably, the sheath is a rubber sheath, and the thickness of the sheath is eight millimeters.

Preferably, the first holder is a non-conductor magnetic stainless steel holder, and the diameter of the first holder is six millimeters.

Preferably, the outer wall of the second retainer is movably connected with the outer wall of the sheath, and the diameter of the second retainer is six millimeters.

Preferably, one end of the screw penetrates through the outer wall of the first holder and extends to the outer wall of the second holder, and the diameter of the screw is six millimeters.

Preferably, the through groove is an arc-shaped through groove, and the depth of the through groove is one centimeter.

(III) advantageous effects

Compared with the prior art, the utility model provides a surface-mounted permanent magnet rotor possesses following beneficial effect:

1. this surface-mounted permanent magnet rotor, through the sheath that sets up, first solid fixed ring, first connecting hole, first holder, the solid fixed ring of second, the second connecting hole, second holder and screw, can reach the purpose of the assembly of stabilizing to the rotor, the poor problem of general permanent magnet rotor steadiness can be solved, make the assembly precision obtain showing and improving, power density and torque coefficient have effectively been improved, the performance of motor has been improved greatly, and motor operating property is steady, and practicality is good.

3. This surface-mounted permanent magnet rotor through the logical groove and the louvre that set up, can reach and carry out ventilation cooling's purpose to the rotor, has avoided electric motor rotor to generate heat, the effectual availability factor that improves the motor, safe and reliable, practicality is good, has prolonged the life of motor, has satisfied user's user demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the iron core structure of the present invention;

fig. 3 is a schematic view of a first fixing ring structure according to the present invention.

In the figure: 1. an iron core; 2. a rotating shaft; 3. a permanent magnet; 4. a wedge; 5. a sheath; 6. a first retaining ring; 7. a first connection hole; 8. a first holder; 9. a second retaining ring; 10. a second connection hole; 11. a second holder; 12. a screw; 13. a through groove; 14. magnetic steel; 15. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a surface-mounted permanent magnet rotor includes an iron core 1, a rotating shaft 2 movably connected to an inner wall of the iron core 1, a permanent magnet 3 fixedly connected to an outer wall of the iron core 1, a wedge 4 fixedly connected to an outer wall of the iron core 1, the wedge 4 being a triangular wedge, the wedge 4 having a height of eight millimeters, a sheath 5 fixedly connected to an outer wall of the wedge 4, the sheath 5 being a rubber sheath, the sheath 5 having a thickness of eight millimeters, the rubber being a high elastic polymer material having reversible deformation and being elastic at room temperature and capable of generating large deformation under a small external force, and being restored to its original shape after the external force is removed, thereby improving a practical performance of the rotor, the outer wall of the sheath 5 being movably connected to a first fixing ring 6, a first connecting hole 7 being formed in an outer wall of the first fixing ring 6, a first holder 8 being fixedly connected to an outer wall of the first fixing ring 6, the first holder 8 being, the diameter of the first retainer 8 is six millimeters, the stainless steel is resistant to corrosion of weak corrosion media such as air, steam and water and chemical erosion media such as acid, alkali and salt, the corrosion resistance is high, the stainless steel is safe and reliable, the outer wall of the sheath 5 is movably connected with a second retainer ring 9, a second connecting hole 10 is formed in the outer wall of the second retainer ring 9, a second retainer 11 is fixedly connected with the outer wall of the second retainer ring 9, the outer wall of the second retainer 11 is movably connected with the outer wall of the sheath 5, the diameter of the second retainer 11 is six millimeters, the outer wall of the first retainer 8 is movably connected with a screw 12, one end of the screw 12 penetrates through the outer wall of the first retainer 8 and extends to the outer wall of the second retainer 11, the diameter of the screw 12 is six millimeters, the stability of the permanent magnet rotor is improved, the reliability of the magnetic steel 14 is ensured, and the sheath 5 and the first retainer ring 6 are arranged, The purpose of stably assembling the rotor can be achieved by the first connecting hole 7, the first retaining frame 8, the second fixing ring 9, the second connecting hole 10, the second retaining frame 11 and the screw 12, the problem of poor stability of a common permanent magnet rotor is solved, the assembling precision is obviously improved, the power density and the torque coefficient are effectively improved, the service performance of the motor is greatly improved, the operation performance of the motor is stable, the practicability is good, the through groove 13 is formed in the outer wall of the iron core 1, the through groove 13 is an arc-shaped through groove, the depth of the through groove 13 is one centimeter, the magnetic steel 14 is fixedly connected to the outer wall of the iron core 1, the heat dissipation holes 15 are formed in the outer wall of the iron core 1, the purpose of ventilating and dissipating heat of the rotor can be achieved through the through groove 13 and the heat dissipation holes 15, the heat of the motor rotor is avoided, the use efficiency of the motor, the service life of the motor is prolonged, and the use requirements of users are met.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the permanent magnet rotor assembling fixture is used, the rotating shaft 2 penetrates through the first connecting hole 7 and the second connecting hole 10, the first fixing ring 6 and the second fixing ring 9 are respectively installed on two sides of the sheath 5, the first retainer 8 and the second retainer 11 are tightly clamped, and the screws 12 are locked, so that stable assembling of the permanent magnet rotor is completed.

In conclusion, the surface-mounted permanent magnet rotor can be stably assembled, so that the assembly precision is obviously improved, the power density and the torque coefficient are effectively improved, the use performance of the motor is greatly improved, the motor operation performance is stable, and the practicability is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Surface-mounted permanent magnet rotor, including iron core (1), its characterized in that: the inner wall swing joint of iron core (1) has pivot (2), the outer wall fixedly connected with permanent magnet (3) of iron core (1), the outer wall fixedly connected with slide wedge (4) of iron core (1), the outer wall fixedly connected with sheath (5) of slide wedge (4), the outer wall swing joint of sheath (5) has first solid fixed ring (6), first connecting hole (7) have been seted up to the outer wall of first solid fixed ring (6), the outer wall fixedly connected with first retainer (8) of first solid fixed ring (6), the outer wall swing joint of sheath (5) has second solid fixed ring (9), the outer wall of second solid fixed ring (9) has second connecting hole (10), the outer wall fixedly connected with second retainer (11) of second solid fixed ring (9), the outer wall swing joint of first retainer (8) has screw (12), the iron core is characterized in that the outer wall of the iron core (1) is provided with a through groove (13), the outer wall of the iron core (1) is fixedly connected with magnetic steel (14), and the outer wall of the iron core (1) is provided with heat dissipation holes (15).

2. The surface-mounted permanent magnet rotor according to claim 1, characterized in that: the wedge (4) is a triangular wedge, and the height of the wedge (4) is eight millimeters.

3. The surface-mounted permanent magnet rotor according to claim 1, characterized in that: the sheath (5) is a rubber sheath, and the thickness of the sheath (5) is eight millimeters.

4. The surface-mounted permanent magnet rotor according to claim 1, characterized in that: the first retainer (8) is a non-conductor magnetic stainless steel retainer, and the diameter of the first retainer (8) is six millimeters.

5. The surface-mounted permanent magnet rotor according to claim 1, characterized in that: the outer wall of the second retainer (11) is movably connected with the outer wall of the sheath (5), and the diameter of the second retainer (11) is six millimeters.

6. The surface-mounted permanent magnet rotor according to claim 1, characterized in that: one end of the screw (12) penetrates through the outer wall of the first retainer (8) and extends to the outer wall of the second retainer (11), and the diameter of the screw (12) is six millimeters.

7. The surface-mounted permanent magnet rotor according to claim 1, characterized in that: the through groove (13) is an arc-shaped through groove, and the depth of the through groove (13) is one centimeter.