CN-224233467-U - Motor assembly and electric shearing equipment

CN224233467UCN 224233467 UCN224233467 UCN 224233467UCN-224233467-U

Abstract

The utility model discloses a motor assembly and electric shearing equipment, wherein the motor assembly comprises a base, a coil and a wiring module, the coil and the wiring module are arranged on the base, the wiring module comprises a conducting plate, a cable and a wire pressing structure, the conducting plate is fixedly connected to one side of the base, which is away from the coil, and is electrically connected with a lead-out end of the coil, the cable comprises a connecting end and an extending section which are mutually adjacent, the connecting end is coated with welding metal, the connecting end is welded with the conducting plate, the wire pressing structure comprises a first wire pressing part, and the first wire pressing part presses the extending section, so that the connecting part of the connecting end and the extending section is positioned on one side of the first wire pressing part, which is close to a welding point of the connecting end. The motor component provided by the utility model has the advantages that the connection part of the extending section of the cable and the connecting end coated with the welding metal is positioned at one side of the first line pressing part close to the welding point of the connecting end, so that repeated stress of the extending section and the connecting end is effectively avoided, and the possibility of fracture of the cable is further reduced.

Inventors

YE HONGXIN
LIU XUAN
WANG MIAO
ZHANG JUNLIANG
GU PING
LIU ZHITAO

Assignees

深圳术叶创新科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250416

Claims (14)

1. The motor assembly comprises a base, a coil and a wiring module, wherein the coil and the wiring module are arranged on the base, and the wiring module comprises a conductive plate, a cable and a wire pressing structure; The conducting plate is fixedly connected to one side, away from the coil, of the base and is electrically connected with the leading-out end of the coil; The cable comprises a connecting end and an extension section which are mutually adjacent, wherein the connecting end is coated with welding metal, and the connecting end is welded with the conducting plate; the line ball structure includes first line ball portion, first line ball portion pressfitting the extension, so that the link with the junction of extension is located first line ball portion is close to one side of the welding point of link.
2. The motor assembly of claim 1, wherein the wire pressing structure further comprises a second wire pressing portion spaced from the first wire pressing portion, the second wire pressing portion being located between the first wire pressing portion and the welding point, and the extension segment being threaded through and press-fitted to the second wire pressing portion.
3. The motor assembly of claim 2 wherein said extension is disposed in a curve between said first wire pressing portion and said weld.
4. A motor assembly according to claim 3, further comprising a moving member located on a side of the coil facing away from the base, the moving member being reciprocally movable in a predetermined direction by electromagnetic action of the coil; The second line pressing parts and the first line pressing parts are arranged at intervals along a first direction, and the first direction, the preset direction and the thickness direction of the base are perpendicular to each other.
5. The motor assembly of claim 4, wherein an extension between the first wire pressing portion and the second wire pressing portion is bent toward one side in the predetermined direction, and an extension between the second wire pressing portion and the connecting end is bent toward the other side in the predetermined direction.
6. The motor assembly of claim 4, wherein the cables have two connection ends spaced apart in the predetermined direction.
7. The motor assembly of claim 6, wherein the base is provided with two second wire pressing portions at intervals in the preset direction, the connecting ends of the two cables are respectively pressed on the two second wire pressing portions, and the extension sections of the two cables are pressed on the same first wire pressing portion.
8. The motor assembly of claim 7, wherein the first wire pressing portion is provided with a wire pressing hole, and the extending sections of the two wires are respectively arranged through the wire pressing hole, and/or the two second wire pressing portions are respectively provided with wire clamping grooves, and the connecting ends of the two wires are respectively clamped in the two wire clamping grooves.
9. The motor assembly of claim 7, wherein the first wire pressing portion is provided with two wire pressing holes, the extending sections of the two wires are respectively arranged in the two wire pressing holes in a penetrating manner, and the first wire pressing portion is further provided with a partition plate between the two wire pressing holes in a protruding manner.
10. The motor assembly of claim 2, wherein the wire pressing structure further comprises a mounting plate arranged between the conductive plate and the base, the second wire pressing part and the first wire pressing part are connected to the surface of the mounting plate, which is away from the coil, the conductive plate is fixed on the mounting plate, and a through hole for the second wire pressing part and the first wire pressing part to penetrate is formed in the conductive plate.
11. The motor assembly of any one of claims 1 to 10, further comprising a motor housing and a conductive patch panel; The two bases, the coil and the wiring module are respectively arranged, the two bases are elastically suspended in the motor frame side by side at intervals, and the two bases comprise a first base and a second base; The conductive adapter plate is fixedly connected to the motor frame and is positioned at one side of the line pressing structure, which is away from the coil; wherein the cable of one wiring module is a first cable, and the cable of the other wiring module is a second cable; the connecting end of the first cable is welded to the conductive plate corresponding to the first base, and the extending section of the first cable is electrically connected to the position of the conductive adapter plate corresponding to the second base; The connecting end of the second cable is welded to the conductive plate corresponding to the second base, and the extending section of the second cable is electrically connected to the position, corresponding to the first base, of the conductive adapter plate.
12. The motor assembly of claim 11, wherein the conductive patch panel has a first plate facing the coil and a second plate facing away from the coil, the extension of the first cable is electrically connected to the first plate, the extension of the second cable is electrically connected to the second plate, the motor assembly further comprises a wire holder including a first wire fixing portion and a second wire fixing portion protruding from the first plate and the second plate, respectively, the extension of the first cable is pressed onto the first plate through the first wire fixing portion, and the extension of the second cable is pressed onto the second plate through the second wire fixing portion.
13. The motor assembly of claim 12, wherein the conductive patch panel extends in a predetermined direction in a strip shape, the conductive patch panels each correspond to a middle portion of the conductive patch panel in the predetermined direction, and the extension portions of the first cable and the second cable are electrically connected to end portions of the conductive patch panel in the predetermined direction.
14. An electric shearing apparatus comprising a housing, a cutter head assembly and a motor assembly as claimed in any one of claims 1 to 13, the motor assembly being mounted in the housing and the cutter head assembly being connected to a moving part of the motor assembly.

Description

Motor assembly and electric shearing equipment Technical Field The application relates to the technical field of motors, in particular to a motor assembly and electric shearing equipment. Background The small motor has the characteristics of small volume, light weight, high efficiency and the like, and is widely applied to handheld devices such as electric shearing devices, handheld electric tools and the like. The coil outlets of such motors are typically connected to a power supply by a cable to ensure that the motor is able to continue to operate stably. However, since the motor generates long-term vibration when operating, the stability requirement of the cable joint is strict. In the related art, in order to improve the electrical conductivity and the soldering performance of the cable, a metal surface treatment is generally performed on the copper wire end of the cable, such as tin immersion, tin plating, silver immersion, silver plating, and the like. However, the copper wire subjected to the metal surface treatment becomes hard, and in practical application, the connection part of the coated welding metal part and the uncoated welding metal part is easy to break due to repeated stress in a working environment of long-term vibration of the motor due to the difference of materials and rigidity, so that the motor cannot normally run. The foregoing is merely provided to facilitate an understanding of the principles of the utility model and is not admitted to be prior art. Disclosure of utility model In view of the above problems, the present utility model provides a motor assembly, which aims to solve the technical problem that a connection part of a cable of the motor assembly, which is coated with a welding metal part and an uncoated welding metal part, is easy to break. In order to achieve the above purpose, the motor assembly provided by the utility model comprises a base, a coil and a wiring module, wherein the coil and the wiring module are arranged on the base, and the wiring module comprises a conductive plate, a cable and a wire pressing structure; The conducting plate is fixedly connected to one side, away from the coil, of the base and is electrically connected with the leading-out end of the coil; The cable comprises a connecting end and an extension section which are mutually adjacent, wherein the connecting end is coated with welding metal, and the connecting end is welded with the conducting plate; the line ball structure includes first line ball portion, first line ball portion pressfitting the extension, so that the link with the junction of extension is located first line ball portion is close to one side of the welding point of link. In an embodiment, the wire pressing structure further includes a second wire pressing portion disposed at an interval with the first wire pressing portion, the connection end is penetrated and pressed to the second wire pressing portion, the second wire pressing portion is located between the first wire pressing portion and the welding point, and the extension section is penetrated and pressed to the second wire pressing portion. In an embodiment, the extension section is arranged in a bending manner between the first wire pressing portion and the welding point. In an embodiment, the motor assembly further comprises a moving part, wherein the moving part is positioned at one side of the coil, which is away from the base, and the moving part can reciprocate along a preset direction under the electromagnetic action of the coil; The second line pressing parts and the first line pressing parts are arranged at intervals along a first direction, and the first direction, the preset direction and the thickness direction of the base are perpendicular to each other. In an embodiment, the extension section between the first wire pressing portion and the second wire pressing portion is bent toward one side in the preset direction, and the extension section between the second wire pressing portion and the connecting end is bent toward the other side in the preset direction. In an embodiment, the number of the cables is two, and the connection ends of the two cables are arranged at intervals in the preset direction. In an embodiment, the base is provided with two second wire pressing portions at intervals in the preset direction, the connection ends of the two cables are respectively pressed on the two second wire pressing portions, and the extension sections of the two cables are pressed on the same first wire pressing portion. In one embodiment, the first wire pressing portion is provided with a wire pressing hole, and the extending sections of the two wires are respectively arranged through the wire pressing holes, and/or the two second wire pressing portions are respectively provided with wire clamping grooves, and the connecting ends of the two wires are respectively clamped in the two wire clamping grooves. In an embodiment, the first wire pressing portion is pro