CN213817371U

CN213817371U - Permanent magnet motor with rotor having simple structure

Info

Publication number: CN213817371U
Application number: CN202023118193.0U
Authority: CN
Inventors: 王连国; 聂宗军
Original assignee: Zhejiang Dingneng Motor Technology Co ltd
Current assignee: Zhejiang Dingneng Motor Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-27
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a permanent-magnet machine of rotor with simple structure belongs to motor technical field. It solves the problem that current motor rotor exists. This permanent-magnet machine, including rotor, stator and casing, the rotor includes pivot, spider, rotor dabber and gland, and the spider cover is established in the pivot, and the spider cover is established on the spider, the spider is "T" style of calligraphy, and the spider minor face is leaned on establishing on the shaft shoulder of pivot, and the minor face is fixed through contacting with a gland, and the rotor dabber cover is established on the long limit of spider, and one end terminal surface supports and leans on the spider minor face, and other end terminal surface is near on above-mentioned gland, the rotor dabber is overlapped along the axial by a plurality of cyclic annular steel sheets to through rivet riveting and form, all offer the hole of stepping down that is used for avoiding the rivet on the face of spider and the contact of spider and gland. The utility model discloses stable in structure, convenient assembling, the whole quality is light.

Description

Permanent magnet motor with rotor having simple structure

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to a permanent-magnet machine of rotor with simple structure.

Background

The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. The motor converts electric energy into mechanical energy, and the motor mainly functions to generate driving torque and is used as a power source of electric appliances or various machines.

The existing motor rotor is complex in assembly, high in torque, serious in heating, and difficult in counterweight, and the service life of the motor is influenced, and the overall balance of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the existing motor rotor, and providing a permanent magnet motor with a rotor which has stable structure, convenient assembly and light whole mass.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a permanent-magnet machine of rotor with simple structure, includes rotor, stator and casing, the rotor includes pivot, spider, rotor dabber and gland, and the spider cover is established in the pivot, and the spider axle sleeve is established on spider, its characterized in that, spider is "T" style of calligraphy, and the spider minor face leans on establishing on the shaft shoulder of pivot, and the minor face is fixed through contacting with a gland, and the spider cover is established on the long limit of spider, and one end terminal surface supports and leans on the spider minor face, and the other end terminal surface is near on above-mentioned gland, the rotor dabber is overlapped along the axial by a plurality of cyclic annular steel sheets to form through rivet riveting, all offer the hole of stepping down that is used for avoiding the rivet on spider and the face of spider and the contact of rotor dabber.

In the permanent magnet motor with the rotor having the simple structure, the number of the abdicating holes on the rotor bracket and the gland is the same as the number of the rivets, and the abdicating holes are respectively 4.

In the above-mentioned permanent magnet motor with a rotor having a simple structure, counterbores for weight reduction are further opened at both ends of the rotor bracket along the axial direction.

In the above-mentioned permanent magnet motor with a rotor having a simple structure, a long hole for reducing weight is opened in the rotating shaft along the axial direction.

In the above-mentioned permanent magnet motor with a rotor having a simple structure, the gland is sleeved on the rotating shaft and is limited by a snap spring.

In the above-mentioned permanent magnet motor with a rotor having a simple structure, a convex key is arranged on the rotor spindle along the axial direction, a key groove corresponding to the convex key is formed on the rotor support, and the rotor spindle is connected with the rotor support through the key groove and the convex key.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the rotor support and the gland are provided with the abdicating holes for avoiding the rivets, so that the rotor support, the gland and the rotor mandrel can be tightly attached, the structure is more stable, and the assembly is convenient.

2. The rotor support is provided with the counter bore for the reduction weight, and the rotating shaft is provided with the long hole for the reduction weight, so that the permanent magnet motor rotor can be processed in batches, the processing cost is reduced, the processing time is shortened, the density is reduced, the overall weight is light, and the rotational inertia is low.

Drawings

Fig. 1 is a schematic structural diagram of a rotor structure of a permanent magnet motor.

As shown in the figure, 1, a rotating shaft; 2. a rotor support; 3. a rotor spindle; 4. a gland; 5. a convex key; 6. a keyway; 7. a shaft shoulder; 8. riveting; 9. a hole of abdication; 10. a counter bore; 11. a long hole; 12 clamp spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, a permanent magnet motor with a rotor having a simple structure includes a rotor, a stator, and a casing, where the rotor includes a rotating shaft 1, a rotor support 2, a rotor spindle 3, and a gland 4, the rotor support 2 is sleeved on the rotating shaft 1, and the rotor spindle 3 is sleeved on the rotor support 2. The rotor spindle 3 is provided with a convex key 5 along the axial direction, the rotor support 2 is provided with a key groove 6 corresponding to the convex key 5, and the rotor spindle 3 is connected with the rotor support 2 through the key groove 6 and the convex key 5.

Rotor support 2 is "T" style of calligraphy, and 2 minor faces of rotor support lean on establishing on the shaft shoulder 7 of pivot 1, and the minor face is fixed through contacting with a gland 4, and 3 covers of rotor dabber are established on the long limit of rotor support 2, and one end terminal surface supports and leans on 2 minor faces of rotor support, and other end terminal surface leans on above-mentioned gland 4 closely, 4 covers of gland are established on pivot 1, and is spacing through a jump ring 12, make rotor support 2 press from both sides between gland 4 and shaft shoulder 7.

Rotor dabber 3 is followed the axial by a plurality of cyclic annular steel sheets and is range upon range of to rivet through rivet 8 and form, all offer the hole of stepping down 9 that is used for avoiding rivet 8 on the face that rotor support 2 and gland 4 and rotor dabber 3 contact, the hole of stepping down 9 on rotor support 2 and the gland 4 is the same with rivet 8 quantity, respectively has 4. The arrangement of the abdicating hole 9 can ensure that the rotor bracket 2, the gland 4 and the rotor mandrel 3 are tightly adhered, so that the structure is more stable and the assembly is convenient.

And counterbores 10 for reducing weight are further formed in the two ends of the rotor support 2 along the axial direction. The inner part is provided with a long hole 11 for reducing weight along the axial direction, so that most of the axial area of the rotating shaft 1 is a hollow structure. Therefore, the permanent magnet motor rotor is processed in batches, the processing cost is reduced, the processing time is shortened, the density is reduced, the overall weight is light, and the rotational inertia is low.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a permanent-magnet machine of rotor with simple structure, includes rotor, stator and casing, the rotor includes pivot, spider, rotor dabber and gland, and the spider cover is established in the pivot, and the spider axle sleeve is established on spider, its characterized in that, spider is "T" style of calligraphy, and the spider minor face leans on establishing on the shaft shoulder of pivot, and the minor face is fixed through contacting with a gland, and the spider cover is established on the long limit of spider, and one end terminal surface supports and leans on the spider minor face, and the other end terminal surface is near on above-mentioned gland, the rotor dabber is overlapped along the axial by a plurality of cyclic annular steel sheets to form through rivet riveting, all offer the hole of stepping down that is used for avoiding the rivet on spider and the face of spider and the contact of rotor dabber.

2. The permanent magnet motor with a rotor having a simple structure according to claim 1, wherein the number of the relief holes on the rotor frame and the gland is the same as the number of the rivets, and each of the relief holes is 4.

3. The permanent magnet motor with the rotor having the simple structure as claimed in claim 2, wherein counterbores for weight reduction are further opened at both ends of the rotor holder in an axial direction.

4. The permanent magnet motor with a rotor having a simple structure according to claim 3, wherein a long hole for weight reduction is opened in the rotating shaft in an axial direction.

5. The permanent magnet motor with the rotor having the simple structure as claimed in claim 4, wherein the gland is sleeved on the rotating shaft and is limited by a clamp spring.

6. The permanent magnet motor with rotor having simple structure as claimed in claim 5, wherein said rotor spindle has a protruding key along the axial direction, the rotor bracket has a key slot corresponding to the protruding key, and the rotor spindle and the rotor bracket are connected by the key slot and the protruding key.