CN-224233427-U - Stator end plate, motor and electric tool

Abstract

The application relates to the technical field of motors, aims to solve the technical problems of low fixing reliability and low fixing efficiency of stator wiring harnesses of some known motors, and provides a stator end plate, a motor and an electric tool. The stator end plate comprises a main body structure and a winding structure. The body structure has an end face. The winding structure is arranged on the end face in a protruding mode along the axial direction of the stator end plate, the winding structure comprises a wire inlet portion and a wire outlet portion, the wire inlet portion protrudes from the end face in the axial direction, the wire outlet portion protrudes outwards from the end portion of the wire inlet portion, the wire outlet portion is provided with a wire clamping channel for a cable to pass through, the wire clamping channel penetrates through two axial ends of the wire outlet portion, and the wire clamping channel is used for fixing the cable to the wire outlet portion. The application has the beneficial effects of improving the clamping reliability and the clamping efficiency of the cable.

Inventors

• ZHANG WEI
• Hang Xiaofei

Assignees

• 江苏东成机电科技有限公司

Dates

Publication Date

20260512

Application Date

20250430

Claims (10)

1. 1. A stator end plate, comprising: A body structure having an end face; The wire winding structure is arranged on the end face in a protruding mode along the axial direction of the stator end plate, the wire winding structure comprises a wire inlet portion and a wire outlet portion, the wire inlet portion protrudes from the end face in the axial direction, the wire outlet portion protrudes from the end portion of the wire inlet portion in the axial direction and is far away from the end face, the wire outlet portion is provided with a wire clamping channel for a cable to pass through, the wire clamping channel penetrates through two axial ends of the wire outlet portion, and the cable enters the radial inner side of the wire outlet portion from the radial outer side of the wire inlet portion and is clamped in the wire clamping channel.
2. 2. The stator end plate of claim 1, wherein: the wire outlet part is provided with an opening which is opened along the radial direction of the stator end plate, and the opening is communicated with the wire clamping channel; The winding structure is provided with a first limiting part protruding from the outgoing line part, and the first limiting part clamps the cable in the cable clamping channel.
3. 3. The stator end plate of claim 2, wherein: the first limiting portion is disposed near a radially inner side of the stator end plate.
4. 4. The stator end plate of claim 2, wherein: The number of the first limiting parts is two, the two first limiting parts are respectively connected with two side edges of the wire outlet part along the circumferential direction of the stator end plate, a clamping interface is defined between the two first limiting parts, and the cable passes through the clamping interface and is clamped in the wire clamping channel.
5. 5. The stator end plate of claim 4, wherein: One of the first limiting parts is provided with a first panel, the other one of the first limiting parts is provided with a second panel, and the radial thickness of the first panel and the radial thickness of the second panel are gradually reduced along the direction close to the clamping interface so as to guide the cable to pass through the clamping interface and be clamped in the wire clamping channel.
6. 6. The stator end plate of claim 2, wherein: The wire clamping channel is provided with an arc surface and a connecting surface, the arc surface is recessed along the radial direction of the stator end plate, the size of the arc surface is matched with the size of the cable, two ends of the arc surface are respectively provided with one connecting surface, the first limiting part is provided with a limiting surface, one side of the connecting surface is connected with the arc surface, and the other side of the connecting surface is connected with the limiting surface.
7. 7. The stator end plate of claim 1, wherein: The wire outlet part is arranged at intervals with the end face, a wire inlet channel is defined between the bottom surface of the wire outlet part and the end face, the wire clamping channel and the wire clamping channel are positioned on two sides of the wire inlet part, and the wire clamping channel is communicated with the wire inlet channel.
8. 8. The stator end plate of claim 7, wherein: The wire inlet channel comprises a first section and a second section, the first section is communicated with the wire clamping channel through the second section, the first section guides the cable to extend along a first direction, the second section guides the cable to extend along a second direction, and the wire clamping channel guides the cable to extend along a third direction; The first direction, the second direction and the third direction are mutually intersected.
9. 9. An electric machine, comprising: a stator core; The stator end plate according to any one of claims 1 to 8, the stator end plate being mounted to one end of the stator core; and one end of the cable is connected to the stator core, and the cable penetrates through the wire clamping channel of the stator end plate.
10. 10. A power tool, comprising: A housing; The motor of claim 9, said motor being disposed in said housing.

Description

Stator end plate, motor and electric tool Technical Field The application relates to the technical field of motors, in particular to a stator end plate, a motor and an electric tool. Background Some stator wire harnesses of known motors are usually fixed by adopting modes of binding tapes, binding wires, gluing, heat shrinking pipes and the like, and corresponding materials and corresponding assembly procedures are required to be additionally arranged, so that the fixing reliability and the fixing efficiency of cables are low. Disclosure of utility model The application provides a stator end plate, a motor and an electric tool, which are used for solving the technical problems of low fixing reliability and low fixing efficiency of stator wiring harnesses of some known motors. The application provides a stator end plate, which comprises a main body structure and a winding structure. The body structure has an end face. The winding structure is arranged on the end face in a protruding mode along the axial direction of the stator end plate, the winding structure comprises a wire inlet portion and a wire outlet portion, the wire inlet portion protrudes from the end face in the axial direction, the wire outlet portion protrudes outwards from the end portion of the wire inlet portion, the wire outlet portion is provided with a wire clamping channel for a cable to pass through, the wire clamping channel penetrates through two axial ends of the wire outlet portion, and the cable enters the radial inner side of the wire outlet portion from the radial outer side of the wire inlet portion and is clamped in the wire clamping channel. According to the stator end plate, after the assembly is completed, the cable inside the motor can penetrate into the wire clamping channel under the guidance of the wire inlet part and is fixed by the wire clamping channel. Therefore, the constraint reliability of the degree of freedom of the cable can be improved, materials such as a binding belt, a binding wire, glue or a heat shrinkage pipe are not required to be additionally adopted for fixing the cable, the process corresponding to the materials and the space occupied by the materials can be reduced, the motor assembly efficiency is improved, and the size of the motor is further reduced. In one possible embodiment: The wire outlet part is provided with an opening which is opened along the radial direction of the stator end plate and is communicated with the wire clamping channel, the wire winding structure is provided with a first limiting part which protrudes from the inner surface of the wire outlet part, and the first limiting part clamps the cable in the wire clamping channel. In one possible embodiment: the first limiting portion is disposed near a radially inner side of the stator end plate. In one possible embodiment: The number of the first limiting parts is two, the two first limiting parts are respectively connected with two side edges of the wire outlet part along the circumferential direction of the stator end plate, a clamping interface is defined between the two first limiting parts, and the cable is clamped in the wire clamping channel through the clamping interface. In one possible embodiment: One of the first limiting parts is provided with a first panel, the other one of the first limiting parts is provided with a second panel, and the distance between the first panel and the second panel is gradually reduced along the direction close to the card interface so as to guide the cable to pass through the card interface and be clamped in the card wire channel. In one possible embodiment: The wire clamping channel is provided with an arc surface and a connecting surface, the arc surface is recessed along the radial direction of the stator end plate, the size of the arc surface is matched with the size of the cable, two ends of the arc surface are respectively provided with one connecting surface, the first limiting part is provided with a limiting surface, one side of the connecting surface is connected with the arc surface, and the other side of the connecting surface is connected with the limiting surface. In one possible embodiment: the wire outlet part is arranged at intervals with the end face, a wire inlet channel is defined between the bottom surface of the wire outlet part and the end face, and the wire clamping channel is positioned at the side edge of the wire inlet part and is communicated with the wire inlet channel. In one possible embodiment: the wire inlet channel comprises a first section and a second section, the first section is communicated with the wire clamping channel through the second section, the first section is used for guiding the cable to extend along a first direction, the second section is used for guiding the cable to extend along a second direction, the wire clamping channel is used for guiding the cable to extend along a third direction, and the first direction is mutually intersected with