CN219999138U - Motor stator with electric resistance sleeve - Google Patents

Abstract

The utility model provides a motor stator of area electricity blocking cover, includes motor stator, and motor stator includes a plurality of groups arc stator winding interconnect annular structure, and arc stator winding includes magnet steel, coiling coil outside the magnet steel and the wiring end of leading out in follow coil, motor stator overcoat has stator housing, and stator housing's outer end is equipped with the round collar, collar inner and coil interval set up, and motor stator top is equipped with and is annular and play the electricity blocking cover of insulating guard action, and the electricity blocking cover parcel is on exposing the coil outside the magnet steel, reduces the degree of difficulty of workman to motor stator through placing the electricity blocking cover that has insulating effect on exposing the coil at motor stator, need not to deliberately keep the installation interval between motor stator and the stator to can improve production efficiency and product quality.

Description

Motor stator with electric resistance sleeve

Technical Field

The utility model relates to the field of motor stators, in particular to a motor stator with a resistance sleeve.

Background

The stator of the motor is an important component of motors such as a generator, a starter and the like. The stator is an important part of the motor. The stator consists of a stator core, a stator winding and a stand. The main function of the stator is to generate a rotating magnetic field, while the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current.

At present, when the motor stator is sleeved, a distance of about five millimeters is required to be kept between the motor stator and the stator shell, so that current generated by the motor stator during working is prevented from being transmitted to the stator shell through an electric arc, and casualties of personnel or damage of instruments are caused.

Disclosure of Invention

The present utility model is directed to solving the problems of the prior art described above by providing a motor stator with a resistive bushing that is positioned between the motor stator and the stator housing to prevent current from being transferred to the stator housing.

The utility model solves the technical problems by adopting the technical scheme that: the utility model provides a take motor stator that hinders electric cover, includes that a plurality of groups arc stator winding interconnect becomes annular structure, and arc stator winding includes magnet steel, coiling coil outside the magnet steel and the wiring end of leading out in follow coil, and motor stator overcoat has stator housing, and stator housing's outer end is equipped with the round collar, and collar inner sets up with the coil interval, and motor stator top is equipped with and is annular and plays the electric cover that hinders of insulating guard action, hinders electric cover parcel on exposing the coil outside the magnet steel. The motor stator top is provided with the electric resistance sleeve, so that current generated by the motor stator during working is prevented from being transmitted to the stator shell, and the man is damaged.

In order to further improve, the electric resistance sleeve is provided with a through hole, and a control wire which is connected with the wiring terminal and controls the motor stator to work is arranged in the through hole. The mounting through holes and control lines can be such that the motor stator is connected to other equipment while still not transmitting current to the stator housing.

Further perfecting, the outer side of the through hole is provided with a protection part protruding from the electric resistance sleeve. The protection part can play a role in protecting the control line, and prevent the control line from being excessively damaged when being bent.

Further perfecting, the resistance sleeve comprises a resistance part positioned at the top of the coil, and an outer limit part and an inner limit part which are positioned at two sides of the resistance part and are vertically designed with the edges of two sides of the resistance part. Limiting parts are designed on two sides of the power blocking part, so that the power blocking sleeve can be assisted to be installed on a motor stator, and the motor stator is not easy to fall off.

Further perfecting, the magnetic steel comprises insulating members positioned at the upper end and the lower end of the magnetic steel, a plurality of insulating members are mutually connected to form an annular structure, and the outer limiting part and the inner limiting part are respectively positioned at the outer side of the insulating construction of the annular structure. The limiting part is arranged outside the insulating component to be enough to meet the resistance effect of the resistance sleeve.

Further perfecting, the arc stator winding is provided with a circuit board for connecting the wiring terminal, and the shape and the size of the power blocking part are matched with those of the circuit board. The shape and size of the resistive sleeve and the shape and size of the circuit board are matched, so that the resistive effect of the resistive part can be used to the greatest extent, and the waste of materials is prevented.

Further perfecting, the stator shell comprises a limiting sleeve for surrounding and limiting the arc-shaped stator winding, and the mounting ring is fixedly connected to the outer side of the limiting sleeve. The stop collar can play certain guard action to motor stator, prevents that motor stator from causing the damage when carrying out the work.

Further perfecting, the mounting ring is provided with a wire groove for placing the control wire. The wire groove can facilitate the control wire on the motor stator to be taken out from the stator shell, and simultaneously, the motor stator and the stator shell can be tightly connected.

Further perfecting, the electric resistance sleeve is made of rubber or plastic. The electric resistance sleeve manufactured by using rubber or plastic has low cost and strong insulativity.

The beneficial effects of the utility model are as follows: through place the electric arc that produces between motor stator and the stator shell that hinders that has insulating effect on motor stator exposes on the outer coil, need not to deliberately keep aside the installation interval between motor stator and the stator simultaneously, reduce the degree of difficulty of workman to motor stator cover shell to production efficiency and product quality can be improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a top view of a motor stator;

FIG. 4 is a top view of a stator housing;

FIG. 5 is an isometric view of a motor stator;

FIG. 6 is a schematic diagram of a circuit board;

fig. 7 is a schematic structural view of the resistive switching element.

Reference numerals illustrate: the motor stator 1, the arc-shaped stator winding 2, the magnetic steel 3, the coil 4, the wiring terminal 5, the stator housing 6, the mounting ring 7, the power blocking sleeve 8, the through hole 9, the control wire 10, the power blocking part 11, the outer limiting part 12, the inner limiting part 13, the limiting sleeve 14, the wire groove 15, the circuit board 16, the protection part 18 and the insulating component 19.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples. Those of ordinary skill in the art will be able to implement the utility model based on these descriptions. In addition, the embodiments of the present utility model referred to in the following description are typically only some, but not all, embodiments of the present utility model. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

As shown in fig. 1-4, the embodiment discloses a motor stator with a current-blocking sleeve, which comprises a plurality of groups of arc-shaped stator windings 2 which are connected with each other to form an annular structure, wherein a stator housing 6 is sleeved outside the arc-shaped stator windings 2, specifically, the stator housing 6 comprises a limiting sleeve 14 for surrounding and limiting the arc-shaped stator windings 2, a mounting ring 7 for limiting and mounting a rotor bearing is arranged at the upper end of the limiting sleeve 14, the limiting sleeve 14 is of a cylindrical structure with two open ends, the arc-shaped stator windings 2 can be fixedly connected on the inner wall of the limiting sleeve 14 through adhesion, a plurality of uniformly arranged threaded connection holes are arranged on the inner wall of the upper end of the limiting sleeve 14, through holes are correspondingly arranged around the mounting ring 7, and the mounting ring 7 is fixedly connected on the outer side of the limiting sleeve 14 through screws;

the arc-shaped stator winding 2 comprises magnetic steel 3, a coil 4 wound outside the magnetic steel 3 and a wiring terminal 5 led out from the coil 4, wherein the wiring terminal 5 is connected with a control wire 10 for controlling the arc-shaped stator winding 2 to work, the inner end of a mounting ring 7 is arranged at intervals with the coil 4, in order to prevent the coil 4 and the mounting ring 7 from generating electric arcs when working to influence the normal work of the motor, in the embodiment, a circular electric resistance sleeve 8 with an insulating protection function is arranged at the top of the arc-shaped stator winding 2, the electric resistance sleeve 8 is made of insulating materials such as rubber or plastic, the electric resistance sleeve 8 can have certain elasticity, the installation of the electric resistance sleeve 8 is facilitated, and meanwhile, the protection of the arc-shaped stator winding 2 is better;

specifically, as shown in fig. 2 and 7, the resistive element 8 includes a resistive element 11 located at the top of the coil 4, an outer limit portion 12 and an inner limit portion 13 located at two sides of the resistive element 11 and designed perpendicularly to edges of two sides of the resistive element 11, the outer limit portion 12 wraps the outer side of the annular magnetic steel 3, the inner limit portion 12 is located on the outer side of the annular magnetic steel 3, so that the resistive element 8 wraps the coil 4 exposed on the outer side of the magnetic steel 3, and the resistive element 8 is located in an interval between the mounting ring 7 and the coil 4, so that the coil 4 and the mounting ring 7 are isolated from each other.

As shown in fig. 2 and 7, preferably, the power blocking sleeve 8 in the present embodiment is provided with a through hole 9, the control wire 10 is arranged from bottom to top through the through hole 9, and in order to facilitate the control wire 10 to pass out of the motor stator, the mounting ring 7 is also provided with a wire slot 15 for placing the control wire 10; further, in order to ensure the connection stability of the control line 10, a protection part 18 protruding out of the upper end of the through hole 9 of the resistive element 8 and arranged on the resistive element 8 is further arranged, the protection part 18 is in a tubular structure, and when in installation, the protection part 18 clamps the control line 10 inside, thereby avoiding the control line 10 from being pulled out and damaged, and simultaneously avoiding the control line 10 from being bent at the connection part of the control line 10 and the resistive element 8 to lead to the separation of the control line 10 and the wiring terminal 5.

As shown in fig. 2, preferably, the magnetic steel 3 includes insulating members 19 fixed at the upper and lower ends and wound in the coil 4, and since the outer side wall of the magnetic steel 3 is fixed on the inner wall of the stator housing 6 by adhesive, the insulating members are also spliced to form an annular structure, and the outer diameter of the insulating member of the annular structure is smaller than that of the magnetic steel of the annular structure, so that the outer limiting portion 12 and the inner limiting portion 13 are mounted on the outer side of the insulating member, and the bottoms of the outer limiting portion 12 and the inner limiting portion 13 are located above the magnetic steel 3, and a gap exists between the insulating member of the annular structure and the stator housing 6, so that the installation of the electric blocking sleeve 8 is more convenient.

As shown in fig. 6, in order to facilitate connection of the terminal 5 of the arc-shaped stator winding 2 and the control wire 10, a circuit board 16 may be mounted on the arc-shaped stator winding 2, and the resistor sleeve 8 is simultaneously wrapped around the circuit board 16 during mounting, so that the terminal of the arc-shaped stator winding 2 is electrically connected to a fixed position of the circuit board, and is connected to the control wire 10 through the circuit board, thereby avoiding connection of the terminal 5 of the arc-shaped stator winding 2, and enabling the shape and size of the resistor portion 11 to be matched with those of the circuit board 16.

Certain terms are used throughout the description and claims to refer to particular products. It will be appreciated by those of ordinary skill in the art that manufacturers may refer to a same component by different names. It is not intended to distinguish between components that differ in function but not name. In the following description and claims, the terms "include," have "and" include "are open-ended terms, and thus should be interpreted to mean" include, but not limited to.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (9)

1. The utility model provides a motor stator of area electricity cover that hinders, includes that a plurality of groups arc stator winding (2) interconnect become annular structure, and arc stator winding (2) include magnet steel (3), coiling coil (4) outside magnet steel (3) and wiring end (5) of leading out in follow coil (4), arc stator winding (2) overcoat has stator housing (6), and the outer end of stator housing (6) is equipped with round collar (7), collar (7) inner and coil (4) interval set up, its characterized in that: the top of the arc-shaped stator winding (2) is provided with a circular power-blocking sleeve (8) with insulation protection function, and the power-blocking sleeve (8) is wrapped on the coil (4) exposed outside the magnetic steel (3).

2. A motor stator with a resistive bushing as defined in claim 1 wherein: the electric resistance sleeve (8) is provided with a through hole (9), and a control wire (10) which is connected with the wiring terminal (5) and controls the arc-shaped stator winding (2) to work is arranged in the through hole (9).

3. A motor stator with a resistive bushing as defined in claim 2 wherein: the outside of the through hole (9) is provided with a protection part (18) protruding from the power-blocking sleeve (8).

4. A motor stator with a resistive bushing according to claim 1 or 2, characterized in that: the electric resistance sleeve (8) comprises an electric resistance part (11) positioned at the top of the coil (4), and an outer limit part (12) and an inner limit part (13) which are positioned at two sides of the electric resistance part (11) and are vertically designed with the edges of the two sides of the electric resistance part (11).

5. The motor stator with a resistive bushing of claim 4, wherein: the magnetic steel (3) comprises insulating members (19) positioned at the upper end and the lower end of the magnetic steel (3), a plurality of insulating members (19) are mutually connected to form an annular structure, and the outer limiting part (12) and the inner limiting part (13) are respectively positioned at the outer sides of the insulating members of the annular structure.

6. The motor stator with a resistive bushing of claim 4, wherein: the arc-shaped stator winding (2) is provided with a circuit board (16) for connecting the wiring terminal (5), and the shape and the size of the power blocking part (11) are matched with those of the circuit board (16).

7. A motor stator with a resistive bushing as defined in claim 1 wherein: the stator housing (6) comprises a limiting sleeve (14) for surrounding and limiting the arc-shaped stator winding (2), and the mounting ring (7) is fixedly connected to the outer side of the limiting sleeve (14).

8. A motor stator with a resistive bushing as defined in claim 2 wherein: the mounting ring (7) is provided with a wire groove (15) for placing the control wire (10).

9. A motor stator with a resistive bushing as defined in claim 1 wherein: the electric resistance sleeve (8) is made of rubber or plastic.