CN210431038U

CN210431038U - Motor rotor assembly

Info

Publication number: CN210431038U
Application number: CN201921546615.9U
Authority: CN
Inventors: 钱澄; 钱力; 徐建南
Original assignee: Changzhou Zhongtian Magnetic Industry Co Ltd
Current assignee: Changzhou Zhongtian Magnetic Industry Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-04-28
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses an electric motor rotor subassembly, including main part, rotor punching, main shaft and mounting disc, evenly welded has the rotor punching in the main part, and the internally mounted of main part has the main shaft, the vertical top and the bottom that run through the main part of main shaft. The utility model discloses an install the main shaft, the screw thread erection column, the assembly groove, the mounting disc, mounting hole and fixing bolt, make the device optimize the structure of self, utilize the external screw thread effect that screw thread erection column outer wall set up on the one hand, convenient to use person carries out the screw thread installation with the device in suitable casing is inside, on the other hand user can also install mounting disc and screw thread erection column after, utilize the effect of mounting hole and fixing bolt on the mounting disc, with installing the inside fixed mounting that carries out of casing, thereby the suitability of device has been strengthened, be convenient for satisfy user's different installation demands, be favorable to the device's long-term popularization.

Description

Motor rotor assembly

Technical Field

The utility model relates to the technical field of electric machines, specifically be an electric motor rotor subassembly.

Background

The motor is widely applied in daily life, the appearance of the motor brings great convenience to the life of people, the motor consists of a rotor and a stator, the motor is a conversion device for realizing electric energy and mechanical energy and electric energy, the motor rotor is a rotating part in the motor, the performance of the motor rotor directly influences the function of the motor, but the existing motor rotor assembly has the following problems when in specific use:

1. the traditional motor rotor assembly is generally simple in structure and single in assembly mode, and cannot be suitable for being assembled in different machine shells, so that the applicability of the device is low;

2. the existing motor rotor assembly on the market also has the defects of poor heat dissipation effect and poor compression resistance and buffering performance, which leads to low practicability of the device;

3. the existing motor rotor assembly often has the problems of low structural strength and poor corrosion resistance, which greatly influences the service life of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric motor rotor subassembly to solve the problem that simple structure, assembly methods that propose among the above-mentioned background art are single, the radiating effect is not good and compressive damping performance is poor and structural strength is low and corrosion resisting property is poor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric motor rotor subassembly, includes main part, rotor punching, main shaft and mounting disc, evenly welded has the rotor punching in the main part, and the internally mounted of main part has the main shaft, the vertical top and the bottom that run through the main part of main shaft, and the both ends of main shaft all are provided with first anti-skidding gasket, and the one end that the main part was kept away from to first anti-skidding gasket is provided with stop nut, the top and the bottom of main shaft all are fixed with the mounting disc, and the welding has second anti-skidding gasket on the main shaft of mounting disc below.

Preferably, the outer side wall of the main body is coated with a galvanized corrosion-resistant layer, and a reinforcing layer is arranged inside the side wall of the main body.

Preferably, one end of the rotor sheet is provided with an N magnetic pole, the other end of the rotor sheet is provided with an S magnetic pole, the edge of the rotor sheet is uniformly provided with tooth blocks, and the N magnetic pole and the S magnetic pole are symmetrically distributed about the horizontal center line of the rotor sheet.

Preferably, a preformed hole matched with the main shaft is formed in the middle of the rotor punching sheet, and heat dissipation holes arranged in concentric circles are uniformly formed in the rotor punching sheet on the outer side of the preformed hole.

Preferably, the rotor punching sheet on the outer side of the heat dissipation holes is uniformly provided with rubber buffer sheets arranged in concentric circles, and the rubber buffer sheets and the rotor punching sheet are connected in a hot melting mode.

Preferably, the middle position department on main shaft top and the middle position department of bottom all weld the screw assembly post, be provided with on the mounting disc with screw assembly post assorted assembly groove, and the inside wall of assembly groove is provided with the internal thread, the lateral wall of screw assembly post be provided with internal thread assorted external screw thread.

Preferably, the edge of mounting disc evenly is provided with the mounting hole that is concentric circles and arranges, and the mounting hole is provided with 6, and the inside of mounting hole is provided with fixing bolt.

Preferably, the inside of enhancement layer evenly is provided with first strengthening rib, and the inside of enhancement layer evenly is provided with the second strengthening rib to first strengthening rib and second strengthening rib are netted in the cross arrangement, and the material of first strengthening rib and second strengthening rib all is the martensitic stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the motor rotor assembly optimizes the structure of the device by installing the main shaft, the thread assembling column, the assembling groove, the installing disc, the installing hole and the fixing bolt, on one hand, the device is installed in a proper shell in a threaded mode by utilizing the effect of the external thread arranged on the outer wall of the thread assembling column, on the other hand, after the installing disc and the thread assembling column are installed, the device is fixedly installed in the shell by utilizing the effects of the installing hole and the fixing bolt on the installing disc, so that the applicability of the device is enhanced, different installing requirements of a user are met conveniently, and the long-term popularization of the device is facilitated;

(2) the motor rotor assembly has the advantages that the rotor punching sheet, the heat dissipation holes and the rubber buffer sheet are mounted, so that the device not only utilizes the action of the heat dissipation holes to improve the heat dissipation effect during the operation of the device and avoid the problem of overlarge heat loss during the high-speed operation of the device, but also utilizes the elastic performance of the rubber buffer sheet to improve the overall compression-resistant buffer effect of the device, and further enhances the practicability of the device;

(3) this motor rotor subassembly is through being provided with zinc-plated corrosion resistant layer, the enhancement layer, first strengthening rib and second strengthening rib, and first strengthening rib and second strengthening rib cross arrangement are netted, make the device optimize the structure of self, make the device utilize the effect on zinc-plated corrosion resistant layer on the one hand, strengthened the antioxidant property of device outer wall, on the other hand utilizes the metal mesh that first strengthening rib and second strengthening rib constitute, the holistic structural strength of device has been promoted, thereby be favorable to extension fixture's life.

Drawings

FIG. 1 is a schematic view of the front view of the partial cross-section structure of the present invention;

fig. 2 is a schematic view of a rotor sheet overlooking structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the sectional structure of the side wall of the main body of the present invention.

In the figure: 1. a main body; 2. rotor punching sheets; 201. heat dissipation holes; 202. an S magnetic pole; 203. an N magnetic pole; 204. a tooth block; 205. reserving a hole; 206. a rubber buffer sheet; 3. a first anti-skid pad; 4. a limit nut; 5. a main shaft; 6. a second anti-skid pad; 7. assembling the column by screw threads; 8. assembling a groove; 9. mounting holes; 10. mounting a disc; 11. fixing the bolt; 12. a zinc plating corrosion resistant layer; 13. a reinforcing layer; 14. a first reinforcing rib; 15. and a second reinforcing rib.

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. 1-4, the present invention provides an embodiment: a motor rotor assembly comprises a main body 1, rotor sheets 2, a main shaft 5 and a mounting disc 10, wherein the rotor sheets 2 are uniformly welded on the main body 1, the main shaft 5 is installed in the main body 1, a galvanized corrosion-resistant layer 12 is coated on the outer side wall of the main body 1, and a reinforcing layer 13 is arranged in the main body 1;

the function of the galvanized corrosion-resistant layer 12 is utilized, so that the oxidation resistance of the outer wall of the device is enhanced, and the service life of the device is prolonged;

first reinforcing ribs 14 are uniformly arranged inside the reinforcing layer 13, second reinforcing ribs 15 are uniformly arranged inside the reinforcing layer 13, the first reinforcing ribs 14 and the second reinforcing ribs 15 are arranged in a crossed mode to form a net shape, and the first reinforcing ribs 14 and the second reinforcing ribs 15 are made of martensitic stainless steel;

the metal mesh formed by the first reinforcing ribs 14 and the second reinforcing ribs 15 is utilized, so that the integral structural strength of the device is improved, and the service life of the device is prolonged;

one end of the rotor sheet 2 is provided with an N magnetic pole 203, the other end of the rotor sheet 2 is provided with an S magnetic pole 202, the edge of the rotor sheet 2 is uniformly provided with tooth blocks 204, and the N magnetic pole 203 and the S magnetic pole 202 are symmetrically distributed about the horizontal center line of the rotor sheet 2;

the structure of the device is optimized, and the device can rotate under the action of a magnetic field force;

the main shaft 5 vertically penetrates through the top end and the bottom end of the main body 1, the two ends of the main shaft 5 are both provided with first anti-skid gaskets 3, a preformed hole 205 matched with the main shaft 5 is formed in the middle position of the rotor punching sheet 2, and heat dissipation holes 201 which are arranged in a concentric circle mode are uniformly formed in the rotor punching sheet 2 on the outer side of the preformed hole 205;

the function of the radiating holes 201 is utilized, the radiating effect of the device in operation is improved, and the problem of overlarge heat loss in high-speed operation of the device is avoided, so that the practicability of the device is enhanced;

the rotor punching sheet 2 outside the heat dissipation holes 201 is uniformly provided with rubber buffer sheets 206 arranged in concentric circles, and the rubber buffer sheets 206 and the rotor punching sheet 2 are in hot-melt connection;

the elastic performance of the rubber buffer sheet 206 is utilized, so that the overall compression-resistant buffer effect of the device is improved, and the using effect of the device is improved;

a limiting nut 4 is arranged at one end, far away from the main body 1, of the first anti-skid gasket 3, a mounting disc 10 is fixed at the top end and the bottom end of the main shaft 5, a second anti-skid gasket 6 is welded on the main shaft 5 below the mounting disc 10, threaded assembling columns 7 are welded at the middle positions of the top end and the bottom end of the main shaft 5, an assembling groove 8 matched with the threaded assembling column 7 is formed in the mounting disc 10, internal threads are arranged on the inner side wall of the assembling groove 8, and external threads matched with the internal threads are arranged on the outer side wall of the threaded assembling column 7;

the structure of the device is optimized, a user can conveniently disassemble and assemble the mounting disc 10 on the main shaft 5, and therefore the functionality of the device is enhanced;

mounting holes 9 arranged in concentric circles are uniformly formed in the edge of the mounting

disc

10, 6 mounting holes 9 are formed in the mounting disc, and fixing bolts 11 are arranged in the mounting holes 9;

so that the user can conveniently fix and assemble the device in the corresponding machine shell by using the mounting holes 9 and the fixing bolts 11.

The working principle is as follows: when the device is used, firstly, according to the self installation requirement, a worker can utilize the external thread effect arranged on the outer wall of the thread assembling column 7 to facilitate the user to install the device in a proper shell in a thread way, and can also utilize the effects of the installation hole 9 and the fixing bolt 11 on the installation disc 10 to fixedly install the device in the shell after the installation disc 10 and the thread assembling column 7 are installed in a thread way, so that the applicability of the device is enhanced, the different installation requirements of the user are conveniently met, the long-term popularization of the device is facilitated, after the installation is finished, the device can rotate under the action of a magnetic field force, meanwhile, the device can utilize the effect of the heat dissipation holes 201 to enhance the surrounding air flow, the self heat dissipation effect is improved, and the problem of overlarge heat loss when the device runs at high speed is avoided, and the elastic property of the rubber buffer sheet 206 is utilized to improve the whole compression-resistant buffer effect of the device, so that the practicability of the device is enhanced, and in addition, the oxidation resistance of the outer wall of the device is enhanced by utilizing the effect of the galvanized corrosion-resistant layer 12, so that the service life of the device is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a motor rotor subassembly, includes main part (1), rotor punching (2), main shaft (5) and mounting disc (10), its characterized in that: evenly weld in main part (1) has rotor punching (2), and the internally mounted of main part (1) has main shaft (5), and main shaft (5) are vertical to run through the top and the bottom of main part (1), and the both ends of main shaft (5) all are provided with first anti-skidding gasket (3), and the one end that main part (1) were kept away from in first anti-skidding gasket (3) is provided with stop nut (4), the top and the bottom of main shaft (5) all are fixed with mounting disc (10), and the welding has second anti-skidding gasket (6) on main shaft (5) of mounting disc (10) below.

2. An electric machine rotor assembly as claimed in claim 1, wherein: the outer side wall of the main body (1) is coated with a galvanized corrosion-resistant layer (12), and a reinforcing layer (13) is arranged inside the side wall of the main body (1).

3. An electric machine rotor assembly as claimed in claim 1, wherein: one end of the rotor punching sheet (2) is provided with an N magnetic pole (203), the other end of the rotor punching sheet (2) is provided with an S magnetic pole (202), the edge of the rotor punching sheet (2) is uniformly provided with tooth blocks (204), and the N magnetic pole (203) and the S magnetic pole (202) are symmetrically distributed about the horizontal center line of the rotor punching sheet (2).

4. An electric machine rotor assembly as claimed in claim 1, wherein: the middle position department of rotor punching (2) is provided with and reserves hole (205) with main shaft (5) assorted, evenly is provided with louvre (201) that are concentric circles and arrange on rotor punching (2) in the reservation hole (205) outside.

5. An electric machine rotor assembly as claimed in claim 4, wherein: the rotor punching sheet (2) on the outer side of the heat dissipation holes (201) is uniformly provided with rubber buffer sheets (206) which are arranged in concentric circles, and the rubber buffer sheets (206) are connected with the rotor punching sheet (2) in a hot melting mode.

6. An electric machine rotor assembly as claimed in claim 1, wherein: the middle position department on main shaft (5) top and the middle position department of bottom all weld screw assembly post (7), be provided with on mounting disc (10) with screw assembly post (7) assorted assembly groove (8), and the inside wall of assembly groove (8) is provided with the internal thread, the lateral wall of screw assembly post (7) be provided with internal thread assorted external screw thread.

7. An electric machine rotor assembly as claimed in claim 1, wherein: the edge of mounting disc (10) evenly is provided with mounting hole (9) that are concentric circles and arrange, and mounting hole (9) are provided with 6, and the inside of mounting hole (9) is provided with fixing bolt (11).

8. An electric machine rotor assembly as claimed in claim 2, wherein: the reinforced concrete structure is characterized in that first reinforcing ribs (14) are uniformly arranged inside the reinforcing layer (13), second reinforcing ribs (15) are uniformly arranged inside the reinforcing layer (13), the first reinforcing ribs (14) and the second reinforcing ribs (15) are arranged in a crossed mode to form a net shape, and the first reinforcing ribs (14) and the second reinforcing ribs (15) are made of martensitic stainless steel.