CN212875494U

CN212875494U - Rotor punching sheet with magnetism isolating grooves for variable frequency motor

Info

Publication number: CN212875494U
Application number: CN202021452571.6U
Authority: CN
Inventors: 姜峰
Original assignee: Xuzhou Tongyi Motor Co ltd
Current assignee: Xuzhou Tongyi Motor Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-02
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to the technical field of rotor blades, and discloses a rotor punching sheet with magnetism isolating grooves for a variable frequency motor, which comprises a rotor blade, wherein a plurality of openings are annularly formed on the rotor blade, a plurality of tooth sockets are formed at the hole bottoms of the openings, and a fixing mechanism is connected to the hole wall of each opening; the fixed establishment includes fixed plate, fixed slot, dead lever and torsional spring, the both ends symmetric connection of fixed plate is on the both sides pore wall of trompil, the fixed slot is seted up in the fixed plate and is kept away from one side of tooth's socket, the cell wall of fixed slot runs through the lateral wall setting of fixed plate, symmetric connection has the bearing frame on the cell wall of fixed slot, the both ends of dead lever are connected respectively on the inner circle wall of two bearing frames, the torsional spring cover is established on the pole wall of dead lever, the tank bottom of fixed slot is connected with the fixed block. The utility model discloses can avoid coil and electric wire to drop from the tooth's socket in long-time use or motor in the motion process.

Description

Rotor punching sheet with magnetism isolating grooves for variable frequency motor

Technical Field

The utility model relates to a rotor blade technical field especially relates to a rotor punching for inverter motor with magnetism isolating groove.

Background

The rotor blade is a silicon steel sheet, the rotor blade is formed by punching a 0.3mm silicon steel sheet into punching sheets with different specifications so as to be suitable for motor stator rotors with different powers, coils and electric wires are usually placed in tooth grooves of the rotor blade in the existing rotor punching sheet for the variable-frequency motor with the magnetic isolation grooves, and the coils and the electric wires can fall off from the tooth grooves when the rotor punching sheet is used for a long time or the motor moves.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current rotor punching for the frequency conversion motor with magnetism-isolating groove among the prior art and all placing coil and electric wire in rotor blade's tooth's socket usually, long-time use or motor can lead to the problem that coil and electric wire drop from the tooth's socket in the motion process, and the rotor punching for the frequency conversion motor with magnetism-isolating groove that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotor punching sheet with magnetism isolating grooves for a variable frequency motor comprises a rotor blade, wherein a plurality of openings are annularly formed in the rotor blade, a plurality of tooth sockets are formed in the bottoms of the openings, and a fixing mechanism is connected to the wall of each opening;

the fixed establishment includes fixed plate, fixed slot, dead lever and torsional spring, the both ends symmetric connection of fixed plate is on the both sides pore wall of trompil, the fixed slot is seted up in the fixed plate and is kept away from one side of tooth's socket, the cell wall of fixed slot runs through the lateral wall setting of fixed plate, symmetric connection has the bearing frame on the cell wall of fixed slot, the both ends of dead lever are connected respectively on the inner circle wall of two bearing frames, the torsional spring cover is established on the pole wall of dead lever, the tank bottom of fixed slot is connected with the fixed block, the one end of torsional spring is connected on the lateral wall of fixed block, the other end of.

Preferably, two slots are symmetrically formed in the inner ring wall of the rotor blade.

Preferably, rubber pads are connected to the side walls of the tooth grooves and the opening holes.

Preferably, the torsion spring is a steel spring.

Preferably, the fixing plate is made of cork material.

Preferably, the fixed block is connected with a bolt, and the fixed block is connected with the bottom of the fixed groove through the bolt.

Preferably, the right side of the fixing plate is arranged in an arc shape.

Compared with the prior art, the utility model provides a rotor punching sheet for inverter motor with magnetism isolating groove possesses following beneficial effect:

this have rotor punching for magnetic isolation groove inverter motor, through having set up the fixed plate, the fixed slot, dead lever and torsional spring have constituted fixed establishment, when needs put into the tooth's socket with electric wire and coil, the fixed plate can deflect right, the dead lever and torsional spring can be wrench movement to the in-process of deflecting, after putting into the tooth's socket with electric wire and coil, the fixed plate can resume the former state under the effect of torsional spring, in the use of motor at ordinary times, because the fixed plate is plugged up the trompil, the torsional spring need reach certain strength and just move drive dead lever and torsional spring and take place to rotate, so can avoid coil and electric wire to drop from the tooth's socket in long-time use or the motor is in the motion process.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses use or the motor avoids coil and electric wire to drop from the tooth's socket in the motion process for a long time.

Drawings

Fig. 1 is a schematic structural diagram of a rotor sheet for a variable frequency motor with a magnetism isolating groove provided by the utility model;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1 rotor blade, 2 tooth grooves, 3 fixing mechanisms, 31 fixing plates, 32 fixing grooves, 33 fixing rods, 34 torsion springs and 4 grooves.

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.

Referring to fig. 1-2, a rotor punching sheet for a variable frequency motor with a magnetism isolating groove comprises a rotor blade 1, wherein a plurality of openings are annularly formed in the rotor blade 1, a plurality of tooth sockets 2 are formed in the bottoms of the openings, and a fixing mechanism 3 is connected to the wall of each opening;

the fixing mechanism 3 comprises a fixing plate 31, a fixing groove 32, a fixing rod 33 and a torsion spring 34, two ends of the fixing plate 31 are symmetrically connected to hole walls at two sides of the hole, the fixing groove 32 is arranged at one side of the fixing plate 31 far away from the tooth space 2, a groove wall of the fixing groove 32 penetrates through a side wall of the fixing plate 31, bearing seats are symmetrically connected to the groove wall of the fixing groove 32, two ends of the fixing rod 33 are respectively connected to inner ring walls of the two bearing seats, the torsion spring 34 is sleeved on a rod wall of the fixing rod 33, a fixing block is connected to a groove bottom of the fixing groove 32, one end of the torsion spring 34 is connected to the side wall of the fixing block, the other end of the torsion spring 34 is connected to the hole wall of the hole, when an electric wire and a coil are required to be placed in the tooth space 2, the fixing plate 31 deflects rightwards, the, in the use at ordinary times of motor, because fixed plate 31 plugs up the trompil, torsional spring 34 need reach certain strength and just drive dead lever 33 and torsional spring 34 and take place to rotate, can avoid coil and electric wire to drop from tooth's socket 2 at long-time use or motor in the motion process like this.

Two slots 4 are symmetrically arranged on the inner ring wall of the rotor blade 1, so that the rotor blade can be conveniently connected with a rotor of a motor.

Rubber pads are connected to the tooth grooves 2 and the side walls of the openings, so that the coils and the wires can be protected.

The torsion spring 34 is a steel spring, so that the torsion spring has a certain elastic potential energy.

The fixing plate 31 is made of cork, so that the fixing plate 31 is light and easy to rotate.

The fixed block is connected with a bolt, and the fixed block is connected with the groove bottom of the fixed groove 32 through the bolt, so that the fixed block is connected with the groove bottom of the fixed groove 32 more tightly.

The right side of fixed plate 31 is the arc setting, so avoids the right side of fixed plate 31 and the pore wall of trompil to block, can't rotate.

The utility model discloses in, when needs put into tooth's socket 2 with electric wire and coil in, can right deflection fixed plate 31, dead lever 33 and torsional spring 34 can be wrench movement to the deflection in-process, after putting into tooth's socket 2 with electric wire and coil, fixed plate 31 can resume the former state under torsional spring 34's effect, in the use of motor at ordinary times, because fixed plate 31 plugs up the trompil, torsional spring 34 need reach certain strength and just move and drive dead lever 33 and torsional spring 34 and take place to rotate, so can avoid coil and electric wire to drop from tooth's socket 2 in long-time use or motor motion process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotor punching sheet with a magnetism isolating groove for a variable frequency motor comprises a rotor blade (1) and is characterized in that a plurality of openings are annularly formed in the rotor blade (1), a plurality of tooth sockets (2) are formed in the bottoms of the openings, and a fixing mechanism (3) is connected to the wall of each opening;

fixed establishment (3) are including fixed plate (31), fixed slot (32), dead lever (33) and torsional spring (34), the both ends symmetric connection of fixed plate (31) is on the both sides pore wall of trompil, one side of keeping away from tooth's socket (2) in fixed plate (31) is seted up in fixed slot (32), the cell wall of fixed slot (32) runs through the lateral wall setting of fixed plate (31), symmetric connection has the bearing frame on the cell wall of fixed slot (32), the both ends of dead lever (33) are connected respectively on the inner circle wall of two bearing frames, torsional spring (34) cover is established on the pole wall of dead lever (33), the tank bottom of fixed slot (32) is connected with the fixed block, the one end of torsional spring (34) is connected on the lateral wall of fixed block, the other end of torsional spring (34) is connected on the pore wall.

2. The rotor punching sheet with the magnetism isolating groove for the variable frequency motor is characterized in that two grooves (4) are symmetrically formed in the inner ring wall of the rotor blade (1).

3. The rotor punching sheet for the variable frequency motor with the magnetism isolating grooves as claimed in claim 1, wherein rubber pads are connected to the side walls of the tooth grooves (2) and the openings.

4. The rotor punching sheet for the variable frequency motor with the magnetism isolating grooves as claimed in claim 1, wherein the torsion spring (34) is a steel spring.

5. The rotor punching sheet for the variable frequency motor with the magnetism isolating grooves is characterized in that the fixing plate (31) is made of cork wood materials.

6. The rotor punching sheet for the variable frequency motor with the magnetism isolating grooves is characterized in that bolts are connected to the fixed blocks, and the fixed blocks are connected with the bottoms of the groove bottoms of the fixed grooves (32) through the bolts.

7. The rotor punching sheet for the variable frequency motor with the magnetism isolating grooves is characterized in that the right side of the fixing plate (31) is arranged in an arc shape.