CN218678638U

CN218678638U - Insulation structure of permanent magnet motor stator end

Info

Publication number: CN218678638U
Application number: CN202222657468.0U
Authority: CN
Inventors: 张爱娟; 张�浩; 蔡海建; 张学森; 白连川
Original assignee: Nantong Sen Mate Electric Co ltd; Nantong Xirui Motor Technology Co ltd
Current assignee: Nantong Sen Mate Electric Co ltd; Nantong Xirui Motor Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-21
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses an insulation system of permanent-magnet machine stator tip, its technical scheme main points are: the insulating frame comprises an end cover, wherein the top surface of the end cover is provided with two mounting holes, the bottom surface of the end cover is provided with two protection columns, the inner threads of the mounting holes are connected with fixing bolts, the fixing bolts penetrate through the mounting holes and extend to the outer parts of the protection columns, an insulating frame is arranged inside the end cover, and a plurality of insulating plates are fixedly mounted on the inner circular wall surface of the insulating frame; the fixed subassembly, fixed equipment sets up the top surface at the insulating frame for fixed insulating frame, through setting up the fixed plate, when the insulating frame in the staff need be dismantled to the end cover, can pull the fixed plate, make the fixed column of fixed plate and the fixed orifices of card post break away from the back, make the card post break away from in the joint hole, slowly pull out the insulating frame again, need not to dismantle screw class, make things convenient for the staff to dismantle the insulating frame from the end cover, change.

Description

Insulation structure of permanent magnet motor stator end

Technical Field

The utility model relates to the technical field of motors, concretely relates to permanent-magnet machine stator tip's insulation system.

Background

The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; the permanent magnet synchronous motor has the advantages that the efficiency and the power density of the motor are improved because no exciting current is needed and no exciting loss exists, the stator formed by the stator, the rotor, the end cover and other parts is basically the same as the common induction motor, the iron loss of the motor in operation is reduced by adopting a lamination structure, and the rotor can be made into a solid or can be laminated by using laminations.

When generally installing insulating device to permanent-magnet machine stator tip, inconvenient staff dismantles and maintains through the screw.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an insulating structure of permanent-magnet machine stator tip has solved the inconvenient problem of dismantling the maintenance of insulating mechanism.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an insulation structure of a stator end portion of a permanent magnet motor, comprising: the insulating frame comprises an end cover, a plurality of insulating plates and a plurality of insulating plates, wherein the top surface of the end cover is provided with two mounting holes, the bottom surface of the end cover is provided with two protection columns, the inner threads of the mounting holes are connected with fixing bolts, the fixing bolts penetrate through the mounting holes and extend to the outer parts of the protection columns, the inner part of the end cover is provided with the insulating frame, and the inner circular wall surface of the insulating frame is fixedly provided with the plurality of insulating plates; and the fixing assembly is arranged on the top surface of the insulating frame and used for fixing the insulating frame.

By adopting the technical scheme, through setting up fixed subassembly, when the staff installs the insulation support on the end cover, can make things convenient for the staff to install on the end cover through fixed subassembly, make the insulation support.

Preferably, the fixing assembly includes: two joint pieces, two equal fixed mounting of joint piece is at the interior round wall of insulating frame, the joint hole has been seted up to the top surface of joint piece, the inside bottom surface fixed mounting of end cover has the card post, card post and joint hole activity joint, the fixed orifices has been seted up to the top surface of card post, the top surface of insulating frame is provided with two fixed plates, the movable orifices has been seted up to the top surface of fixed plate, the top surface fixed mounting movable post of insulating frame, the movable post cup joints with the activity of movable orifices activity, the bottom surface fixed mounting of fixed plate has the fixed column, fixed column and fixed orifices activity joint.

Through adopting above-mentioned technical scheme, through setting up the fixed plate, after the joint piece on the insulating frame is in the same place with the card post joint on the end cover, rotate the fixed plate on the insulating frame, make the fixed column of fixed plate rotate the top of card post, press the fixed plate again, make the fixed column card of fixed plate go into the fixed orifices of card post, prevent to separate with the end cover after the insulating frame installation easily.

Preferably, the top surface of the end cover is provided with a plurality of cooling fins.

Through adopting above-mentioned technical scheme, through setting up the fin, after the end cover is installed on permanent-magnet machine, through the fin on the end cover, improve permanent-magnet machine's thermal diffusivity.

Preferably, the top surface of the end cover is provided with a plurality of radiating grooves, the radiating plates are movably clamped inside the radiating grooves, and the radiating plates are fixedly connected with the radiating fins.

Through adopting above-mentioned technical scheme, through setting up the radiating groove, when the fin damaged, the staff can extract the heating panel from the radiating groove to the convenience is changed the fin.

Preferably, the inner circle wall surface of the end cover is fixedly provided with two limiting blocks, the outer circle wall surface of the insulating frame is provided with two limiting grooves, and the limiting blocks are movably clamped with the limiting grooves.

Through adopting above-mentioned technical scheme, through setting up the stopper, the staff when installing, makes the spacing groove of insulator bracket and the stopper on the end cover align the back, installs, prevents in the installation, and the insulator bracket dislocation influences follow-up installation.

Preferably, two wire fixing rings are fixedly mounted on the inner circular wall surface of the insulating frame.

Through adopting above-mentioned technical scheme, through setting up the solidus ring, pass through the solidus ring to the inside wire of motor to the packing wire can not rock inside the device, influences the life of wire.

To sum up, the utility model discloses mainly have following beneficial effect:

through setting up the fixed plate, when the staff need dismantle the insulating frame in the end cover, can pull the fixed plate, make the fixed column of fixed plate and the fixed orifices of card post break away from the back, make the card post break away from in can following the joint hole, again slowly pull out the insulating frame, need not to dismantle the screw and so on, make things convenient for the staff to dismantle the insulating frame from the end cover, change.

Through setting up the fin, the radiating plate card of fin is gone into the radiating groove on the end cover, improves permanent-magnet machine's thermal diffusivity, makes things convenient for the dismantlement and the installation of fin simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic bottom view of the clamping block of the present invention;

fig. 3 is a schematic view of the fixing plate structure of the present invention;

fig. 4 is a schematic view of the clip structure of the present invention.

Reference numerals: 1. an end cap; 2. mounting holes; 3. a guard post; 4. fixing the bolt; 5. an insulating frame; 6. an insulating plate; 7. a clamping block; 8. a clamping hole; 9. clamping the column; 10. a fixing hole; 11. a fixing plate; 12. fixing a column; 13. a movable hole; 14. a movable post; 15. a heat sink; 16. a heat dissipation plate; 17. a heat sink; 18. a limiting groove; 19. a limiting block; 20. and a wire fixing ring.

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 and 2, an insulation structure of a stator end of a permanent magnet motor includes: the insulation structure comprises an end cover 1, wherein two mounting holes 2 are formed in the top surface of the end cover 1, two protection columns 3 are arranged on the bottom surface of the end cover 1, fixing bolts 4 are connected to the inner threads of the mounting holes 2, the fixing bolts 4 penetrate through the mounting holes 2 and extend to the outer portions of the protection columns 3, an insulation frame 5 is arranged inside the end cover 1, a plurality of insulation plates 6 are fixedly mounted on the inner circular wall surface of the insulation frame 5, and the insulation frame 5 and the insulation plates 6 are made of plastic insulation materials; the fixed subassembly, fixed equipment sets up the top surface at insulating frame 5 for fixed insulating frame 5, through setting up fixed subassembly, when the staff installs insulating frame 5 on end cover 1, can make insulating frame 5 make things convenient for the staff to install on end cover 1 through fixed subassembly.

Referring to fig. 3 and 4, the inner circle wall surface of the end cover 1 is fixedly provided with two limiting blocks 19, two limiting grooves 18 are formed in the outer circle wall surface of the insulating frame 5, the limiting blocks 19 are movably clamped with the limiting grooves 18, and by setting the limiting blocks 19, when a worker installs the insulating frame, the limiting grooves 18 of the insulating frame 5 are aligned with the limiting blocks 19 on the end cover 1 and then installed, so that the insulating frame 5 is prevented from being dislocated in the installation process, the subsequent installation is influenced, the inner circle wall surface of the insulating frame 5 is fixedly provided with two wire fixing rings 20, and by setting the wire fixing rings 20, a wire inside a motor is passed through the wire fixing rings 20, so that a packaging wire cannot shake inside the device, and the service life of the wire is influenced.

Referring to fig. 2, 3 and 4, the fixing assembly includes: two joint pieces 7, two equal fixed mounting of joint piece 7 is at the interior circle wall of insulating frame 5, joint hole 8 has been seted up to the top surface of joint piece 7, the inside bottom surface fixed mounting of end cover 1 has card post 9, card post 9 and the 8 movable joint in joint hole, fixed orifices 10 have been seted up to the top surface of card post 9, the top surface of insulating frame 5 is provided with two fixed plates 11, movable hole 13 has been seted up to the top surface of fixed plate 11, the top surface fixed mounting movable post 14 of insulating frame 5, movable post 14 cup joints with movable hole 13 activity, the bottom surface fixed mounting of fixed plate 11 has fixed column 12, fixed column 12 and the movable joint of fixed orifices 10, through setting up fixed plate 11, after joint piece 7 on insulating frame 5 and the joint of card post 9 on the end cover 1 are in the same place, rotate the fixed plate 11 on the insulating frame 5, make the fixed column 12 of fixed plate 11 rotate the top of calorie post 9, press fixed plate 11 again, make fixed column 12 card of fixed plate 11 go into in the fixed orifices 10 of card post 9, prevent that insulating frame 5 from installing back and easily separate with end cover 1.

Referring to fig. 1, the top surface of the end cover 1 is provided with a plurality of heat dissipation fins 17, through setting up the heat dissipation fins 17, after the end cover 1 is installed on the permanent magnet motor, through the heat dissipation fins 17 on the end cover 1, the heat dissipation performance of the permanent magnet motor is improved, a plurality of heat dissipation grooves 15 have been seted up on the top surface of the end cover 1, the inside activity joint of heat dissipation grooves 15 has a heat dissipation plate 16, heat dissipation plate 16 and heat dissipation fins 17 fixed connection, through setting up heat dissipation grooves 15, when the heat dissipation fins 17 damaged, the staff can extract the heat dissipation plate 16 from heat dissipation grooves 15, thereby conveniently change heat dissipation fins 17.

The working principle is as follows: referring to fig. 1-4, an insulating frame 5 and an insulating plate 6 are installed in an end cover 1 to meet the insulation requirements of a stator core and a winding electromagnetic wire, the insulating frame 5 is connected with a clamping column 9 in the end cover 1 through a clamping hole 8 on a clamping block 7 in a clamping manner, in order to prevent the insulating frame 5 from being separated from the end cover 1 after being installed, a fixing plate 11 is rotated, a fixing column 12 of the fixing plate 11 is rotated above a fixing hole 10, the fixing plate 11 is pressed to enable the fixing column 12 to be inserted into the fixing hole 10, when the insulation frame is required to be disassembled, a worker only needs to pull out the fixing plate 11, and then slowly pull out the insulating frame 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. An insulation structure of a permanent magnet motor stator end portion, comprising:

the insulation structure comprises an end cover (1), wherein the top surface of the end cover (1) is provided with two mounting holes (2), the bottom surface of the end cover (1) is provided with two protection columns (3), the inner threads of the mounting holes (2) are connected with fixing bolts (4), the fixing bolts (4) penetrate through the mounting holes (2) and extend to the outer parts of the protection columns (3), an insulation frame (5) is arranged inside the end cover (1), and the inner circular wall surface of the insulation frame (5) is fixedly provided with a plurality of insulation plates (6);

and the fixing assembly is arranged on the top surface of the insulating frame (5) and used for fixing the insulating frame (5).

2. The insulation structure of a permanent magnet motor stator end according to claim 1, wherein said fixing assembly comprises:

two joint pieces (7), two equal fixed mounting of joint piece (7) is at the interior circle wall of insulating frame (5), joint hole (8) have been seted up to the top surface of joint piece (7), the inside bottom surface fixed mounting of end cover (1) has card post (9), card post (9) and joint hole (8) activity joint, fixed orifices (10) have been seted up to the top surface of card post (9), the top surface of insulating frame (5) is provided with two fixed plates (11), movable hole (13) have been seted up to the top surface of fixed plate (11), the top surface fixed mounting movable post (14) of insulating frame (5), movable post (14) cup joint with movable hole (13) activity, the bottom surface fixed mounting of fixed plate (11) has fixed column (12), fixed column (12) and fixed hole (10) activity joint.

3. An insulation structure of a permanent magnet motor stator end according to claim 1, characterized in that the top surface of the end cover (1) is provided with a plurality of cooling fins (17).

4. The insulation structure of the end part of the permanent magnet motor stator according to claim 3, wherein the top surface of the end cover (1) is provided with a plurality of heat dissipation grooves (15), the heat dissipation plate (16) is movably clamped inside the heat dissipation grooves (15), and the heat dissipation plate (16) is fixedly connected with the heat dissipation fins (17).

5. The insulation structure of the end part of the permanent magnet motor stator according to claim 1, wherein two limiting blocks (19) are fixedly installed on the inner circular wall surface of the end cover (1), two limiting grooves (18) are formed in the outer circular wall surface of the insulation frame (5), and the limiting blocks (19) are movably clamped with the limiting grooves (18).

6. The insulation structure of the permanent magnet motor stator end part according to claim 1, characterized in that two wire fixing rings (20) are fixedly installed on the inner circular wall surface of the insulation frame (5).