CN217769666U

CN217769666U - Wound stator

Info

Publication number: CN217769666U
Application number: CN202221964778.0U
Authority: CN
Inventors: 张伟; 孙红江; 朱如意
Original assignee: Changzhou Haosheng Electric Co ltd
Current assignee: Changzhou Haosheng Electric Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-08
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to the technical field of electric machines, concretely relates to wire winding stator. The utility model provides a wire-wound stator, include: the stator core comprises a stator core, an insulating framework and a plurality of wiring terminals, wherein the insulating framework is fixed on the outer wall of the stator core, the outer wall of the insulating framework is provided with a plurality of wiring fixing boxes, the wiring fixing boxes are hollow, one wiring terminal is correspondingly inserted into one wiring fixing box, and two ends of each wiring terminal respectively protrude out of two ends of each wiring terminal; wherein the end of the copper wire is suitable for being wound and fixed on the upper end of the wiring terminal. The utility model discloses simple structure, convenient operation, through insulating skeleton and binding post's cooperation, reaches the technological effect of being convenient for fixed binding post and copper line.

Description

Wound stator

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to wire winding stator.

Background

The motor stator is an important component of a motor such as a generator and a starter. The stator is an important part of the motor. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current.

Among the prior art, the copper line winding is outside and accomplish electric electrically conductive through the PIN needle at stator core, and the fixed mode that adopts the welded of copper line and PIN needle is together fixed more, and the PIN needle outer wall among the prior art is smooth, leads to the welding insecure easily, and the in-process operation of clamping welding is complicated simultaneously. Therefore, it is necessary to develop a wound stator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wire wound stator solves among the prior art technical problem that PIN needle clamp welding operation is complicated.

In order to achieve the above object, an embodiment of the present invention provides a wound stator, including:

the stator core comprises a stator core, an insulating framework and a plurality of wiring terminals, wherein the insulating framework is fixed on the outer wall of the stator core, the outer wall of the insulating framework is provided with a plurality of wiring fixing boxes, the wiring fixing boxes are hollow, one wiring terminal is correspondingly inserted into one wiring fixing box, and two ends of each wiring terminal respectively protrude out of two ends of each wiring terminal; wherein

The copper wire end is suitable for being wound and fixed on the upper end of the wiring terminal.

Preferably, the connection terminal includes: the connecting plate is rectangular and is suitable for being inserted into the wiring fixing box;

the fixed end is fixed at the upper end of the connecting plate, the inserting end is fixed at the lower end of the connecting plate, and the fixed end and the inserting end respectively protrude out of two ends of the wiring fixing box;

the stiff end with be fixed with an extension board between the connecting plate, the width that extends the board is less than the width of stiff end, the copper line is suitable for the winding extend the board outer wall.

Preferably, the fixing end is provided with a placing groove, and the placing groove divides the fixing end into a U shape.

Preferably, the lower end of the outer wall of the inserting end is arc-shaped, a fisheye hole suitable for limiting is formed in the inserting end, and the inserting end is suitable for being inserted into a PCB.

Preferably, a grounding fixing box is further fixed on the outer wall of the insulating framework, and a through hole is formed in the lower end of the grounding fixing box;

and a grounding terminal is fixedly inserted into the through hole, and the lower end of the grounding terminal protrudes out of the grounding fixing box.

Preferably, the ground terminal includes: the fixing plate is rectangular, and two limiting grooves are formed in two side walls of the fixing plate in the length direction;

the two clamping ends are respectively fixed at two ends of the fixing plate and are suitable for being inserted into the grounding fixing box.

Preferably, a protruding block is fixed on the outer wall of the stator core, the protruding block is correspondingly fixed in the grounding fixing box, a through groove is formed in the protruding block, the through groove is axially arranged along the stator core, and the clamping end is suitable for being inserted into the through groove.

Preferably, the number of the connection terminals is three.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: the utility model provides a wire winding stator reaches the effect of the tight fixed copper line of fast clamp through insulating skeleton and binding post's cooperation, when the assembly, inserts the connecting plate in the wiring fixed box to make stiff end and grafting end respectively bulge the both ends of the fixed box of wiring, at the copper line through the standing groove winding at time delay board outer wall, finally fix the copper line at the stiff end outer wall through the welded mode, improved copper line and binding post's fixed firmness, improved the life of equipment.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 shows a perspective view of a wound stator of the present invention;

fig. 2 shows a perspective view of the connection terminal of the present invention;

fig. 3 shows a perspective view of the ground terminal of the present invention;

fig. 4 shows a perspective view of the stator core of the present invention.

In the figure:

1. a stator core; 10. a raised block; 11. a through groove; 2. an insulating framework; 20. a ground fixing box; 21. a ground terminal; 210. a fixing plate; 211. clamping the end; 3. a wiring terminal; 31. a connecting plate; 32. A fixed end; 320. a placement groove; 33. a plug end; 34. a fish eye hole; 4. and a wire fixing box.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 to 4, the present invention provides a wound stator, including: the stator core 1 comprises a positioning ring and a plurality of fan-shaped pieces, the fan-shaped pieces are fixed in the positioning ring in an annular mode at equal intervals, and a ventilation groove is formed between every two adjacent fan-shaped pieces; insulating skeleton 2 is fixed 1 outer wall of stator core, insulating skeleton 2 encircles the parcel and is in 1 outer wall of stator core to play insulating effect, prevent wire winding copper line with 1 direct contact of stator core. A plurality of wiring fixing boxes 4 are arranged on the outer wall of the insulating framework 2, the wiring fixing boxes 4 are hollow, one wiring terminal 3 is correspondingly inserted into one wiring fixing box 4, the wiring fixing boxes 4 are suitable for limiting and fixing the wiring terminals 3, and two ends of each wiring terminal 3 respectively protrude out of two ends of each wiring terminal; wherein the end of the copper wire is adapted to be wound around and fixed to the upper end of the terminal block 3. During assembly, fixing the stator core 1 in a mold, and wrapping the stator core 1 along the mold to form an insulating framework 2; and simultaneously, clamping the upper ends of the wiring terminals 3 from two sides by using a clamping tool, so that the insulating framework 2 can wrap and fix the wiring terminals 3 in the wiring fixing box 4. And binding post 3's setting has improved the convenience when stator core 1 assembles, and stator core 1 upper end sets up simultaneously also makes things convenient for later stage and copper line welding. This practical structure is simple, and is easy and simple to handle, and binding post 3's setting helps pressing from both sides tight assembly on the one hand, and on the other hand also helps making it and copper line welded fastening, has improved the work efficiency of assembly greatly, has improved the life of stator simultaneously.

In order to improve the stability of the fixing of the connection terminal 3, the connection terminal 3 includes: the connecting plate 31, the fixed end 32 and the inserting end 33 are integrally arranged, and the connecting plate 31, the fixed end 32 and the inserting end 33 are made of metal materials, preferably copper. The connecting plate 31 is rectangular, and the connecting plate 31 is suitable for being inserted into the wire fixing box 4; the two side walls of the connecting plate 31 in the length direction are respectively protruded outwards to form a protruding plate, a limiting block matched with the protruding plates is arranged in the wire fixing box 4, the limiting block can limit and fix the connecting plate 31, and the connecting plate 31 is prevented from falling off from the wire fixing box 4. The fixed end 32 is fixed at the upper end of the connecting plate 31, the inserting end 33 is fixed at the lower end of the connecting plate 31, and the fixed end 32 and the inserting end 33 respectively protrude out of the two ends of the wiring fixing box 4; the stiff end 32 with be fixed with an extension board between the connecting plate 31, the width that extends the board is less than the width of stiff end 32, the copper line is suitable for the winding extend the board outer wall. The setting of extension board, when the assembly is fixed, press from both sides tight frock and press from both sides tight the fixing extension board outer wall compares the smooth outer wall of connecting plate 31 among the prior art, the utility model discloses an extension board conveniently presss from both sides tight frock and presss from both sides tight fixed binding post 3, has improved the stability when binding post 3 installs. Meanwhile, when the copper wire is fixed, the arrangement of the extension plate also facilitates the winding of the copper wire, and the copper wire is conveniently welded and fixed with the fixed end 32. Further, a placing groove 320 is formed on the fixing end 32, and the fixing end 32 is divided into a "U" shape by the placing groove 320. Set to "U" type with stiff end 32, increased copper line and stiff end 32 area of contact, the copper line passes simultaneously standing groove 320 and winding have improved the area of contact of copper line with stiff end 32 at extension board outer wall, have also improved the firmness behind the welding copper line.

Furthermore, the lower end of the outer wall of the insertion end 33 is arc-shaped, a fisheye hole 34 suitable for limiting is formed in the insertion end 33, and the insertion end 33 is suitable for being inserted into a PCB. The outer wall of the insertion end 33 is arc-shaped, so that the insertion end 33 can be conveniently inserted into the corresponding connecting hole of the PCB, and the arrangement of the fisheye hole 34 increases the stability of the insertion end 33 in the PCB. In order to prevent the inserting end 33 from falling off from the connecting hole of the PCB, a protrusion matched with the fisheye hole 34 is disposed in the connecting hole, and when the inserting end 33 is inserted into the PCB, the protrusion is inserted into the fisheye hole 34 to prevent the inserting end 33 from separating from the PCB. The number of the wiring terminals 3 is three. The three wiring terminals 3 respectively correspond to three-phase power in the circuit.

In order to prolong the service life of the motor, a grounding fixing box 20 is fixed on the outer wall of the insulating framework 2, and a through hole is formed in the lower end of the grounding fixing box 20; a grounding terminal 21 is fixedly inserted into the through hole, and the lower end of the grounding terminal 21 protrudes out of the grounding fixing box 20. The ground terminal 21 is made of metal, and the ground terminal 21 is suitable for being connected with a ground wire. The ground terminal 21 includes: the fixing plate 210 is rectangular, and two limiting grooves are formed in two side walls of the fixing plate 210 in the length direction; the arrangement of the limiting groove facilitates the limiting fixation of the grounding fixation box 20 in the assembling process of the fixation plate 210, the two clamping ends 211 are respectively fixed at the two ends of the fixation plate 210, and the clamping ends 211 are suitable for being inserted into the grounding fixation box 20. The outer wall of the stator core 1 is fixed with a protruding block 10, the protruding block 10 is correspondingly fixed in the grounding fixing box 20, a through groove 11 is formed in the protruding block 10, the through groove 11 is formed in the axial direction of the stator core 1, and the clamping end 211 is suitable for being inserted into the through groove 11. During assembly, one clamping end 211 is inserted into the through groove 11 to be fixedly connected with the stator core 1, the other clamping end 211 is inserted into the PCB to be conveniently connected with a grounding wire, and when electric leakage occurs, the grounding terminal 21 can lead current in the motor to the ground through the grounding wire, so that on one hand, the motor is prevented from being damaged by strong electric charge, the service life of the motor is prolonged, and the normal work of equipment is guaranteed; on the other hand, the electric shock accidents of the personnel can be avoided, and the safety of the motor is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wound stator, comprising:

the stator core structure comprises a stator core (1), an insulating framework (2) and a plurality of wiring terminals (3), wherein the insulating framework (2) is fixed on the outer wall of the stator core (1), the outer wall of the insulating framework (2) is provided with a plurality of wiring fixing boxes (4), the wiring fixing boxes (4) are hollow, one wiring terminal (3) is correspondingly inserted into one wiring fixing box (4), and two ends of each wiring terminal (3) respectively protrude out of two ends of each wiring terminal; wherein

The end part of the copper wire is suitable for being wound and fixed at the upper end of the wiring terminal (3).

2. A wound stator according to claim 1,

the connection terminal (3) comprises: the connecting plate (31) is rectangular, and the connecting plate (31) is suitable for being inserted into the wiring fixing box (4);

the fixed end (32) is fixed at the upper end of the connecting plate (31), the inserting end (33) is fixed at the lower end of the connecting plate (31), and the fixed end (32) and the inserting end (33) respectively protrude out of two ends of the wiring fixing box (4);

stiff end (32) with be fixed with an extension board between connecting plate (31), the width that extends the board is less than the width of stiff end (32), the copper line is suitable for the winding extend the board outer wall.

3. A wound stator according to claim 2,

the fixing end (32) is provided with a placing groove (320), and the placing groove (320) divides the fixing end (32) into a U shape.

4. A wound stator according to claim 3,

the lower end of the outer wall of the inserting end (33) is arc-shaped, a fisheye hole (34) suitable for limiting is formed in the inserting end (33), and the inserting end (33) is suitable for being inserted into a PCB.

5. A wound stator according to claim 4,

a grounding fixing box (20) is further fixed on the outer wall of the insulating framework (2), and a through hole is formed in the lower end of the grounding fixing box (20);

and a grounding terminal (21) is fixedly inserted into the through hole, and the lower end of the grounding terminal (21) protrudes out of the grounding fixing box (20).

6. A wound stator according to claim 5,

the ground terminal (21) includes: the fixing plate (210) is rectangular, and two limiting grooves are formed in two side walls of the fixing plate (210) in the length direction;

the two clamping ends (211) are respectively fixed at two ends of the fixing plate (210), and the clamping ends (211) are suitable for being inserted into the grounding fixing box (20).

7. A wound stator according to claim 6,

stator core (1) outer wall is fixed with a protruding piece (10), protruding piece (10) are fixed correspondingly in the fixed box of ground connection (20), a logical groove (11) has been seted up on protruding piece (10), lead to groove (11) and follow stator core (1) axial setting, chucking end (211) are suitable for and insert lead to in the groove (11).

8. A wound stator according to claim 7,

the number of the wiring terminals (3) is three.