CN220234331U

CN220234331U - Novel waterproof construction stator assembly

Info

Publication number: CN220234331U
Application number: CN202223165908.7U
Authority: CN
Inventors: 李波; 黄文锋; 李裕新
Original assignee: Guangdong Jingde Electric Machinery Co ltd
Current assignee: Guangdong Jingde Electric Machinery Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-12-22
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a novel waterproof structure stator assembly, which relates to the technical field of motors and comprises a base assembly, wherein the base assembly comprises a machine shell, a rotating shaft is rotatably connected in the machine shell, the outer wall of the rotating shaft is sheathed with magnetic poles, a plurality of groups of stator coil windings are wound in the magnetic poles, and an outgoing line assembly extending to the interior of the machine shell is arranged on the outer wall of the machine shell; the wire outlet assembly comprises a wire holder, the wire holder is arranged inside the shell and is positioned at one side of the end part of the magnetic pole, and the top end of the wire holder is fixedly extended to a binding post outside the shell. According to the utility model, through the mutual matching of the insulating seat and the sealing ring, the two groups of gaskets are fixed at the positions of the through holes, so that the condition that external moisture enters the iron core to rust or reduce the resistance value of insulating glue between coil windings is prevented, the service life of the motor is protected, and the effects of compact structure, simple process and reliable protection are achieved by adopting a riveting mode.

Description

Novel waterproof construction stator assembly

Technical Field

The utility model relates to the technical field of motors, in particular to a novel waterproof structure stator assembly.

Background

The stator of the motor is an important component of the motor, and consists of a stator core, a stator winding and a machine base, wherein the main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to generate tangential force along the circumferential direction in the rotating magnetic field.

The motor stator contains iron core and coil winding, and the during operation of motor, moisture can permeate from the gap that the winding lead-out wire contacted with the frame, lead to the iron core rust or reduce the resistance of insulating glue between the coil winding after a long time, influence motor life, the processing mode of present stage installs the line box additional in its frame outer wall in the position department that the winding lead-out wire was located to guarantee the gap seal that the winding lead-out wire contacted with the frame, seal protection is carried out simultaneously to the winding lead-out wire junction, and the in-process of using is unavoidable to collide with the line box, promote line box and frame outer wall to produce the gap, cause the condition that moisture got into.

Disclosure of Invention

Based on this, the present utility model aims to provide a novel waterproof stator assembly, so as to solve the technical problems set forth in the background.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel waterproof structure stator assembly comprises a base assembly, wherein the base assembly comprises a machine shell, a rotating shaft is rotatably connected in the machine shell, a magnetic pole is sleeved on the outer wall of the rotating shaft, a plurality of groups of stator coil windings are wound in the magnetic pole, and an outgoing line assembly extending to the interior of the machine shell is arranged on the outer wall of the machine shell;

the wire outgoing assembly comprises a wire holder, the wire holder is arranged inside the machine shell and is located at one side of the end part of the magnetic pole, the top end of the wire holder is fixedly extended to a binding post outside the machine shell, the outer wall of the binding post is located at the top of the wire holder and is rotationally connected with a gasket, the outer wall of the gasket top located on the binding post is provided with an insulating gasket, the top end of the insulating gasket is provided with insulating paper gasket contacted with the inner wall of the machine shell, the top of the insulating paper is located on the outer wall of the binding post and is sleeved with a first sealing ring, the top end of the first sealing ring is located on the outer wall of the binding post and is sleeved with an insulating base, the top end of the insulating base is located on the outer wall of the binding post and is sleeved with a connecting wire, and the top end of the connecting wire is located on the outer wall of the binding post and is sleeved with a gasket.

Preferably, the outer wall of the rotating shaft is positioned on one side of the wire holder far away from the magnetic pole, and the wire holder is sleeved with insulating paper.

Preferably, a through hole is formed in the contact position of the outer wall of the shell and the binding post, and the diameter of the inner wall of the through hole is matched with the contact position of the insulating seat and the first sealing ring.

Preferably, an annular groove is formed in the outer wall of one end of the shell, and a second sealing ring is arranged in the annular groove.

Preferably, the inner side of the shell is provided with a sealing ring, the sealing ring penetrates through the wiring seat and is fixed with the inner wall of the shell through bolts, the sealing ring is provided with a wire which is connected with a stator coil winding to form a circuit, and the other conductive end is connected with the wiring terminal to form a circuit.

Preferably, a rotating hole is formed in the center of the magnetic pole, and the diameter of the inner wall of the rotating hole is larger than that of the rotating shaft.

In summary, the utility model has the following advantages:

according to the utility model, through the mutual matching of the insulating seat and the sealing ring, the two groups of gaskets are fixed at the positions of the through holes, so that the condition that external moisture enters the iron core to rust or reduce the resistance value of insulating glue between coil windings is prevented, the service life of the motor is protected, and the effects of compact structure, simple process and reliable protection are achieved by adopting a riveting mode.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cut-away view of the present utility model;

fig. 3 is a perspective view of the iron core and the rotating shaft of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.

In the figure: 100. a housing assembly; 200. an outgoing line assembly;

110; a housing, 120, poles; 130. a stator coil winding; 140. a rotating shaft; 150. insulating paper; 160. a through hole; 170. a second sealing ring;

210. a wire holder; 220. an insulating base; 230. binding posts; 240. a gasket; 250. a connecting wire; 260. a first sealing ring; 270. insulating paper; 280. an insulating gasket.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-4, a novel waterproof structure stator assembly comprises a machine base assembly 100, wherein the machine base assembly 100 comprises a machine shell 110, a rotating shaft 140 is rotatably connected in the machine shell 110, a magnetic pole 120 is sleeved on the outer wall of the rotating shaft 140, a plurality of groups of stator coil windings 130 are wound in the magnetic pole 120, and an outgoing line assembly 200 extending into the machine shell 110 is arranged on the outer wall of the machine shell 110;

the wire outgoing assembly 200 comprises a wire holder 210, the wire holder 210 is arranged inside the machine shell 110 and is positioned on one side of the end part of the magnetic pole 120, the top end of the wire holder 210 is fixedly extended to a binding post 230 outside the machine shell 110, the outer wall of the binding post 230 is positioned at the top of the wire holder 210 and is rotationally connected with a gasket 240, an insulating gasket 280 is arranged on the outer wall of the binding post 230, an insulating paper 270 in contact with the inner wall of the machine shell 110 is arranged at the top end of the insulating gasket 280, a first sealing ring 260 is sleeved on the outer wall of the binding post 230, an insulating seat 220 is sleeved on the outer wall of the binding post 230, a connecting wire 250 is sleeved on the outer wall of the connecting wire 250, a gasket 240 is sleeved on the outer wall of the binding post 230, a through hole 160 is formed in the contact position of the outer wall of the machine shell 110 and the binding post 230, and the diameter of the inner wall of the through hole 160 is matched with the contact position of the insulating seat 220 and the first sealing ring 260.

The wire holder 210 is placed in the casing 110 and is located right below the through hole 160, the wire holder 210 is supported to be lifted and gradually approaches the through hole 160, the wire holder 230 is driven to enter the through hole 160 and extend out of the casing 110, finally the insulating packing paper 270 is contacted with the inner wall of the casing 110, the first sealing ring 260 is sleeved on the outer wall of the wire holder 230 from top to bottom and enters the through hole 160 until contacting with the insulating packing paper 270, the insulating holder 220 is sleeved on the outer wall of the wire holder 230, external force is applied to the insulating holder 220 to drive the bottom end of the insulating holder 220 to enter the through hole 160 and contact with the first sealing ring 260, the wire holder 230 is fixed in the through hole 160, finally the connecting wire 250 is sleeved with the wire holder 230, and the waterproof sealing structure is compact and the process is simple.

Please refer to fig. 2 and 3; the outer wall of the rotating shaft 140 is positioned on one side of the wire holder 210 far away from the magnetic pole 120, which is sleeved with the insulating paper 150.

The inside of the casing 110 is hermetically protected, thereby extending the service life of the motor.

Please refer to fig. 1 and fig. 2; an annular groove is formed in the outer wall of one end of the casing 110, and a second sealing ring 170 is assembled in the annular groove.

The end of the casing 110 is sealed, and water seepage is prevented when external water passes through the butt joint.

Please refer to fig. 1; the inside of the casing 110 is equipped with a sealing ring penetrating the wire holder 210 and fixed with the inner wall of the casing 110 by bolts, the sealing ring is mounted with a wire for connecting the circuit with the stator coil winding 130, and the other conductive end connects the circuit with the wire holder 230.

The stator coil 130 is connected with the outside through wires, and the wires are arranged and limited, so that the influence on the rotation of the rotating shaft 140 is prevented.

Please refer to fig. 2; the center of the magnetic pole 120 is provided with a rotation hole, and the diameter of the inner wall of the rotation hole is larger than that of the rotating shaft 140.

The rotation shaft 140 can rotate without friction resistance to the outer wall, so that the rotation shaft 140 can rotate efficiently.

When in use, the binding post 230 is extended from inside to outside in the casing 110, then the insulating base 220 is sleeved on the outer wall of the binding post 230 and pressed into the through hole 160, and the circuit is connected between the coil winding 130 in the casing 110 and the binding post 210 at the bottom end of the binding post 230, then the connecting wire 250 is connected with the binding post 230, and the circuit can be connected for rotation.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. Novel waterproof construction stator assembly, including frame subassembly (100), its characterized in that: the machine base assembly (100) comprises a machine shell (110), a rotating shaft (140) is rotatably connected inside the machine shell (110), a magnetic pole (120) is sleeved on the outer wall of the rotating shaft (140), a plurality of groups of stator coil windings (130) are wound inside the magnetic pole (120), and an outgoing line assembly (200) extending to the inside of the machine shell (110) is mounted on the outer wall of the machine shell (110);

the wire outgoing assembly (200) comprises a wire holder (210), the wire holder (210) is arranged inside the machine shell (110) and is located on one side of the end part of the magnetic pole (120), the top end of the wire holder (210) is fixedly extended to a binding post (230) on the outer side of the machine shell (110), the outer wall of the binding post (230) is located at the top of the wire holder (210) and is rotationally connected with a gasket (240), the top end of the gasket (240) is located at the outer wall of the binding post (230) and is provided with an insulating gasket (280), the top end of the insulating gasket (280) is provided with an insulating paper gasket (270) in contact with the inner wall of the machine shell (110), the top end of the insulating paper gasket (270) is located at the outer wall of the binding post (230) and is sleeved with a first sealing ring (260), the top end of the first sealing ring (260) is located at the outer wall of the binding post (230) and is sleeved with a connecting wire (250), and the top end of the connecting wire (250) is located at the outer wall of the binding post (230) and is sleeved with the gasket (240).

2. The novel waterproof construction stator assembly of claim 1, wherein: the outer wall of the rotating shaft (140) is positioned on one side, far away from the magnetic pole (120), of the wire holder (210), of the insulating paper (150) which is sleeved on the outer wall of the rotating shaft.

3. The novel waterproof construction stator assembly of claim 1, wherein: a through hole (160) is formed in the contact position of the outer wall of the shell (110) and the binding post (230), and the diameter of the inner wall of the through hole (160) is matched with the contact position of the insulating seat (220) and the first sealing ring (260).

4. The novel waterproof construction stator assembly of claim 1, wherein: an annular groove is formed in the outer wall of one end of the shell (110), and a second sealing ring (170) is arranged in the annular groove.

5. The novel waterproof construction stator assembly of claim 1, wherein: the inner side of the shell (110) is provided with a sealing ring, the sealing ring penetrates through the wiring seat (210) and is fixed with the inner wall of the shell (110) through bolts, the sealing ring is provided with a wire which is connected with a stator coil winding (130) in a circuit, and the other conductive end is connected with the wiring terminal (230) in a circuit.

6. The novel waterproof construction stator assembly of claim 1, wherein: a rotary hole is formed in the center of the magnetic pole (120), and the diameter of the inner wall of the rotary hole is larger than that of the rotary shaft (140).