CN207218389U - An improved structure of motor stator - Google Patents

Abstract

The utility model discloses an improved structure of a motor stator, which comprises an upper insulating sleeve and a lower insulating sleeve, wherein a large stator is arranged between the upper insulating sleeve and the lower insulating sleeve, a small stator is arranged in the large stator, the small stator is positioned between the upper insulating sleeve and the lower insulating sleeve, a copper wire is firstly wound on an integral structure formed by combining the insulating sleeve and the small stator, and then the integral structure is embedded into the large stator; the inner peripheral surface of the large stator is provided with a clamping groove, the outer peripheral surface of the small stator is provided with a clamping protrusion, and the end part of the clamping protrusion is clamped in the clamping groove; the top of going up insulating cover is equipped with a plurality of bonding wire needles, and the bonding wire needle passes the PCB diaphragm orifice and fixes through soldering tin, and several shelves line are drawn forth to the PCB board. The utility model discloses simple structure, simple to operate saves man-hour to reach reduce cost, and improve production efficiency.

Description

An improved structure of motor stator

technical field

The utility model relates to a motor, in particular to a structural improvement of a motor stator.

Background technique

When installing the traditional motor stator insulation sheets and copper wires on the stator, it is necessary to first embed the inner and outer insulation sheets in the slot of the stator to insulate the copper wires from the stator, then insert the copper wires into the holes of the stator, and then undergo shaping and binding. The cotton thread is fixed, and the high, medium and low gears are distinguished, so the assembly is extremely inconvenient, the efficiency is low, and the heat dissipation performance is not good, so that the performance of itself is reduced, and the production cost is high.

Contents of the invention

The utility model mainly solves the problems existing in the prior art so as to provide a motor stator structure with convenient installation, safe insulation, strong performance, reduced cost and improved production efficiency.

The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions:

An improved structure of a motor stator, comprising an upper insulating sleeve and a lower insulating sleeve, a large stator is arranged between the upper insulating sleeve and the lower insulating sleeve, a small stator is arranged inside the large stator, coils are wound around the large stator and the small stator; The inner peripheral surface of the small stator is provided with a card slot, the outer peripheral surface of the small stator is provided with a card protrusion, and the end of the card protrusion is clamped in the card slot; the top of the upper insulating sleeve is provided with a number of welding needles, and the top of the upper insulating sleeve is provided with PCB board, the welding needle passes through the PCB board; the card protrusion is a card tooth, and there are riveting points on the card tooth. Between the teeth; the PCB board leads to electronic wires.

Further, the PCB board is provided with several openings, and the soldering needles pass through the openings.

Further, the PCB board is led out with gear lines, and also has welding holes for capacitors and fuses.

Further, the end of the protrusion is wider than the root.

The improved structure of the motor stator adopts the above-mentioned technical scheme, the two ends of the large stator can be conveniently fitted through the upper insulating sleeve and the lower insulating sleeve, and the small stator can be conveniently fitted through the large stator; the small stator can be conveniently fitted through the card slot. The teeth of the stator are firmly clamped; the thickness of the upper and lower surfaces of the stator is integrally formed, and the other three pieces are disconnected at the outer tooth bridge. When the coil is energized, the adjacent magnetic field is blocked. Cutting improves the performance and efficiency of the motor, the structure is simple and reasonable, the winding heat dissipation is fast, the cost is reduced and the production efficiency is improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of the improved structure of the motor stator of the present invention.

Fig. 2 is an exploded view of the improved structure of the motor stator of the present invention.

Fig. 3 is a schematic structural view of the small stator described in the present invention.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, so as to make a clearer definition of the protection scope of the utility model.

As shown in Figures 1 to 3, an improved structure of a motor stator includes an upper insulating sleeve 3 and a lower insulating sleeve 6, a large stator 4 is arranged between the upper insulating sleeve 3 and the lower insulating sleeve 6, and a large stator 4 is provided inside There is a small stator 5, the large stator 4 and the small stator 5 are wound with coils; the inner peripheral surface of the large stator 4 is provided with a card slot 7, and the small stator is radially distributed on the circumference by several teeth and extends outwards, with a card protrusion 8 The end of the upper insulating sleeve 3 is clamped in the card slot 7; the top of the upper insulating sleeve 3 is provided with a number of welding needles 2, and the top of the upper insulating sleeve 3 is provided with a PCB board 1, and the welding needle 2 passes through the PCB board 1; the small stator 5 The outer peripheral surface of the small stator 5 is provided with a card protrusion 8, the card protrusion 8 is a card tooth 9, and the card tooth 9 is provided with a riveting point 12, and the outer peripheral surface of the small stator 5 is provided with a tooth bridge 10 and a tooth root 11, and the tooth bridge 10 serves to connect the two The role of adjacent teeth, and only the upper surface and the lower surface are integrally formed, which ensures the overall strength of the stator, and the middle tooth bridge part 15 is disconnected to make the motor more efficient; PCB board 1 leads to electronic wires 13 , the end of the electronic wire 13 is provided with a capacitor 14; the PCB board 1 is provided with a number of openings, the welding needle 2 passes through the opening, and the cable tie fixes the PCB board; the end of the card protrusion 8 is wider than the root; the small stator 5 There is a card slot at the inner side.

The improved structure of the motor stator of the utility model can conveniently fit the two ends of the large stator 4 through the upper insulating sleeve 3 and the lower insulating sleeve 6, and can conveniently fit the small stator 5 through the large stator 4; the large stator 4 can be conveniently fitted through the slot 7, it is convenient to securely engage the locking teeth 9 of the small stator 5.

The improved structure of the motor stator of the utility model, the improved motor is combined into a whole structure through the stator and the insulating sleeve separated in size, and then the whole structure is embedded in the large stator, and there is no need for shaping after winding, and the winding does not need to be fixed with cotton thread , the gear line is directly wound on the solder pin without the need for workers to divide the gear, and the electronic wire is connected to other components through the PCB board transfer. cost and increase production efficiency.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any change or replacement that is not thought of through creative work should be covered within the scope of protection of the utility model . Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (3)

1. a kind of improved structure of motor stator, including upper insulation sleeve and lower insulation sleeve, it is characterised in that：Upper insulation sleeve with it is lower absolutely Big stator is provided between edge set, small stator is provided with big stator, small stator is located in insulation sleeve and is wound with coil；Stator is interior greatly Side face is provided with neck, and the outer peripheral face of small stator is provided with card convex, and the end of card convex is connected in neck；The top of upper insulation sleeve is provided with Some bonding wire pins, the top of upper insulation sleeve are provided with pcb board, and bonding wire pin passes through pcb board；Card convex is latch, and latch is provided with riveting point, The outer peripheral face of small stator is provided with bridge work and tooth root, and bridge work and tooth root are arranged between two neighboring latch.

2. the improved structure of motor stator according to claim 1, it is characterised in that：Pcb board is provided with some perforates, weldering Line pin passes through perforate.

3. the improved structure of motor stator according to claim 1, it is characterised in that：The end of card convex is more roomy than root.