Motor stator coil outgoing line structure

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a motor stator coil outgoing line structure. Which comprises a motor shell, a stator yoke part, a stator tooth block, an insulation framework and a stator coil, and is characterized in that a clamping groove is formed in the insulation framework in the direction close to a motor front cover, a copper plate is clamped on the clamping groove, a three-phase outgoing line is connected to the stator coil, one end of the three-phase outgoing line is electrically connected with the stator coil, and the other end of the three-phase outgoing line is electrically connected with the copper plate; an aviation plug is arranged outside the motor shell, a connecting line is connected between the copper plate and the aviation plug, and the copper plate is electrically connected with the aviation plug through the connecting line. According to the utility model, the copper plate is added as the welding wire point, after epoxy encapsulation, when the aviation plug needs to be replaced, the welding point of the connecting wire and the copper plate is directly melted, a new aviation plug can be replaced, the replacement mode is simple and rapid, and the application range of the motor is wide because the aviation plug can be flexibly replaced.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to a motor stator coil lead-out structure. Background Art

[0002] The motor is a commonly used drive device in the field of mechanical automation. It is a device that converts electrical energy into mechanical energy. It uses an energized coil to generate a rotating magnetic field and acts on the rotor to form a magneto-electrodynamic rotational torque.

[0003] The gear-yoke integrated motor includes a stator core and a rotor. The stator core includes an inner stator and an outer stator, the outer stator is provided with stator teeth, the inner stator is provided with an adapter that matches the top of the stator teeth, the stator teeth are provided with an insulating structure, and the stator coil is wound on the insulating structure.

[0004] The existing stator coil lead wires are directly welded to the aviation plugs. After the stator is epoxy-potted, other aviation plugs cannot be replaced. The flexibility of use is low and the scope of application is small. If there is a problem with the aviation plug or the lead wire, it is not easy to repair or replace. Utility Model Content

[0005] The utility model aims to solve the deficiencies of the prior art and to provide a motor stator coil outlet structure which can flexibly replace the aviation plug and has a wide range of applications.

[0006] The purpose of this utility model is solved by the following technical solutions:

[0007] A motor stator coil lead-out structure comprises a motor housing, a stator yoke, a stator tooth block, an insulating frame and a stator coil, and is characterized in that: a slot is provided on the insulating frame in a direction close to a front cover of the motor, a copper plate is clamped on the slot, a three-phase lead-out wire is connected to the stator coil, one end of the three-phase lead-out wire is electrically connected to the stator coil, and the other end is electrically connected to the copper plate; an aviation plug is provided outside the motor housing, a connecting wire is connected between the copper plate and the aviation plug, and the copper plate and the aviation plug are electrically connected through the connecting wire.

[0008] Based on the above structure, when the aviation plug needs to be replaced, the welding point between the connecting wire and the copper plate is directly melted to replace the new aviation plug. The replacement method is simple and fast. Since the aviation plug can be flexibly replaced, the application range of the motor is also wider.

[0009] Preferably, the copper plate of the utility model comprises a sheet-like copper plate body, on which two pins are arranged, and the slots match the shapes of the pins, wherein one pin is arranged in the slot and the other pin is pressed outside the three-phase lead-out wire connected to the copper plate.

[0010] Preferably, the stator yoke of the utility model is a circular ring-shaped part, and the inner side surface of the stator yoke is provided with an assembly groove for installing the stator tooth block, and the stator tooth block is a circular ring-shaped part, and the outer side surface of the stator tooth block is evenly provided with a plurality of tooth block bodies that match the assembly groove; the insulating frame includes a first insulating frame and a second insulating frame, and the first insulating frame and the second insulating frame are frame-type structures, and a connecting tube is provided between the first insulating frame and the second insulating frame, and the connecting tube and the first insulating frame and the second insulating frame form a winding groove, and a stator coil is wound on the outer side of the connecting tube, and the internal shape of the connecting tube matches the tooth block body, and the connecting tube is sleeved on the tooth block body and is located between the first insulating frame and the second insulating frame;

[0011] The second insulating frame is located outside the first insulating frame, the slot is opened on the second insulating frame, and the slot direction is parallel to the axial direction of the electronic shell, and the sheet-like copper plate body is vertically arranged to the slot.

[0012] Preferably, the sheet-like copper plate body of the utility model is in the shape of a rectangular parallelepiped.

[0013] Preferably, the two pins of the utility model are in the shape of rectangular parallelepiped, the slots are rectangular parallelepiped holes matched with the pins, and the pins matched with the slots are provided with corrugations.

[0014] Preferably, the two pins of the utility model are located on the same side of the sheet-like copper plate body.

[0015] Preferably, the sheet-like copper plate body and the two pins of the utility model are formed in one piece.

[0016] Preferably, the three-phase lead wire of the utility model is connected to the copper plate by welding, and the connecting wire is connected to the copper plate by welding.

[0017] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0018] 1. Add a copper plate as a welding point, weld the three-phase lead wires on the copper plate, and then connect it to the aviation plug through the connecting wire. After epoxy potting, the same stator specification model can flexibly switch different aviation plugs, and the scope of application is also wider.

[0019] 2. The sheet copper plate body and the two pins are formed in one piece. The one-piece copper plate structure is simple and reliable, ensuring the structural stability of the connection.

[0020] 3. One of the pins is pressed outside the welding point of the three-phase lead wire, the connecting wire and the copper plate, which increases the firmness of the welding point and ensures the safe and reliable operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure when the stator yoke and the stator tooth block of the utility model are connected.

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the insulating frame of the utility model.

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the copper plate pin of the utility model when it is not pressed.

[0025] In the figure: motor housing 1, stator yoke 2, stator tooth block 3, insulating frame 4, stator coil 5, slot 6, copper plate 7, three-phase lead wire 8, aviation plug 9, connecting wire 10, sheet copper plate body 11, pin 12, tooth block body 13, first insulating frame 14, second insulating frame 15, connecting tube 16, winding groove 17, corrugation 18. DETAILED DESCRIPTION

[0026] The following will be combined with the attached Figure 1-4 The utility model is described in further detail.

[0027] A motor stator coil lead-out structure includes a motor housing 1, a stator yoke 2, a stator tooth block 3, an insulating frame 4 and a stator coil 5. A slot 6 is provided on the insulating frame 4 near the motor front cover, a copper plate 7 is clamped on the slot 6, a three-phase lead-out line 8 is connected to the stator coil 5, one end of the three-phase lead-out line 8 is electrically connected to the stator coil 5, and the other end is electrically connected to the copper plate 7; an air plug 9 is provided outside the motor housing 1, a connecting line 10 is connected between the copper plate 7 and the air plug 9, and the copper plate 7 and the air plug 9 are electrically connected through the connecting line 10. Preferably, the three-phase lead-out line 8 is connected to the copper plate 7 by welding, and the connecting line 10 is connected to the copper plate 7 by welding.

[0028] Among them, the copper plate 7 includes a sheet-like copper plate body 11, on which two pins 12 are provided. The card slot 6 matches the shape of the pins 12, one of the pins 12 is stuck in the card slot 11, and the other pin 12 is pressed outside the three-phase lead-out line 8 connected to the copper plate 11.

[0029] The preferred shape of the sheet copper plate body 11 is a rectangular parallelepiped. The preferred shape of the two pins 12 is a rectangular parallelepiped, the card slot 11 is a rectangular parallelepiped hole body matched with the pins 12, and the pins 12 matched with the card slot 11 are provided with corrugations 18. The two pins 12 are on the same side of the sheet copper plate body 11. The sheet copper plate body 11 and the two pins 12 are formed in one piece, and the structure of the integrally formed copper plate 7 is simple and reliable, ensuring the structural stability of the connection.

[0030] Preferably, the stator yoke 2 is a circular ring-shaped part, and an assembly groove for installing the stator tooth block 3 is provided on the inner side surface of the stator yoke 2. The stator tooth block 3 is a circular ring-shaped part, and a plurality of tooth block bodies 13 that match the assembly groove are evenly provided on the outer side surface of the stator tooth block 3; the insulating skeleton 4 includes a first insulating skeleton 14 and a second insulating skeleton 15, and the first insulating skeleton 14 and the second insulating skeleton 15 are frame-type structures. A connecting tube 16 is provided between the first insulating skeleton 14 and the second insulating skeleton 15, and the connecting tube 16 and the first insulating skeleton 14 and the second insulating skeleton 15 form a winding groove 17. A stator coil 18 is wound on the outside of the connecting tube 16, and the internal shape of the connecting tube 16 matches the tooth block body 13. The connecting tube 16 is sleeved on the tooth block body 13 and is located between the first insulating skeleton 14 and the second insulating skeleton 15.

[0031] The second insulating frame 15 is located outside the first insulating frame 14 , the slot 6 is opened on the second insulating frame 15 , and the direction of the slot 6 is parallel to the axial direction of the electronic shell 1 , and the sheet copper plate body 11 is vertically arranged to the slot 6 .

[0032] During installation, assemble the stator yoke 2, stator tooth block 3, insulating frame 4, and stator coil 5 and place them in the motor housing 1, insert one of the pins 12 of the copper plate 7 into the slot 11, and then weld the three-phase lead wire 8 and the connecting wire 10 to the sheet-like copper plate body 11, and press the other pin 12 outside the welding point.

[0033] The utility model adds the copper plate 7 as a welding point. After epoxy potting, when the aviation plug 9 needs to be replaced, the welding point between the connecting wire 10 and the copper plate 7 is directly melted to replace the new aviation plug 9. The replacement method is simple and fast. Since the aviation plug 9 can be flexibly replaced, the application range of the motor is also wider.

[0034] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A motor stator coil outlet structure, comprising a motor housing, a stator yoke, a stator tooth block, an insulating frame and a stator coil, characterized in that: A slot is provided on the insulating frame near the front cover of the motor, a copper plate is clamped on the slot, a three-phase lead wire is connected to the stator coil, one end of the three-phase lead wire is electrically connected to the stator coil, and the other end is electrically connected to the copper plate; an aviation plug is provided outside the motor housing, a connecting wire is connected between the copper plate and the aviation plug, and the copper plate and the aviation plug are electrically connected through the connecting wire.

2. The motor stator coil outlet structure according to claim 1, characterized in that: The copper plate comprises a sheet copper plate body, on which two pins are arranged, and the slots match the shapes of the pins, wherein one pin is arranged in the slot and the other pin is pressed outside the three-phase lead-out line connected to the copper plate.

3. The motor stator coil outlet structure according to claim 2, characterized in that: The stator yoke is a circular ring-shaped part, and an assembly groove for mounting a stator tooth block is provided on the inner side surface of the stator yoke. The stator tooth block is a circular ring-shaped part, and a plurality of tooth block bodies that match the assembly groove are evenly provided on the outer side surface of the stator tooth block; the insulating frame includes a first insulating frame and a second insulating frame, and the first insulating frame and the second insulating frame are frame-shaped structures, and a connecting tube is provided between the first insulating frame and the second insulating frame, and the connecting tube and the first insulating frame and the second insulating frame form a winding groove, and a stator coil is wound on the outer side of the connecting tube, and the internal shape of the connecting tube matches the tooth block body, and the connecting tube is sleeved on the tooth block body and is located between the first insulating frame and the second insulating frame; The second insulating frame is located outside the first insulating frame, the slot is opened on the second insulating frame, and the slot direction is parallel to the axial direction of the electronic shell, and the sheet-like copper plate body is vertically arranged to the slot.

4. The motor stator coil outlet structure according to claim 2 or 3, characterized in that: The sheet-like copper plate body is in a rectangular parallelepiped shape.

5. The motor stator coil outlet structure according to claim 4, characterized in that: The two pins are in the shape of rectangular parallelepiped, the slots are rectangular parallelepiped holes matched with the pins, and the pins matched with the slots are provided with corrugations.

6. The motor stator coil lead-out structure according to claim 5, characterized in that: The two pins are located on the same side of the sheet-shaped copper plate body.

7. The motor stator coil lead-out structure according to claim 2 or 3, characterized in that: The sheet-shaped copper plate body and the two pins are formed in one piece.

8. The motor stator coil lead-out structure according to claim 1, characterized in that: The three-phase lead-out wires are connected to the copper plate by welding, and the connecting wires are connected to the copper plate by welding.

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