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CN-224204868-U - Voice coil motor base

CN224204868UCN 224204868 UCN224204868 UCN 224204868UCN-224204868-U

Abstract

The utility model provides a voice coil motor base, which relates to the technical field of voice coil motors and comprises an insulating base and a metal circuit arranged in the insulating base, wherein the insulating base comprises a first injection molding structure and a second injection molding structure, the first injection molding structure comprises a first plastic part, a second plastic part and a third plastic part, the first plastic part, the second plastic part and the third plastic part are respectively and vertically arranged on the periphery of the second injection molding structure, the inner side walls of the first plastic part, the second plastic part and the third plastic part, which are close to the second injection molding structure, are respectively provided with a containing groove for installing a coil, the containing grooves comprise a coil groove and a lead groove which are mutually communicated, pins of the metal circuit are exposed on the bottom wall of the lead groove, and lead wires of the coil are used for extending from the coil groove to the lead groove and are welded with the pins. Compared with the prior art, the voice coil motor base provided by the utility model has the advantages that the step that the outgoing line is required to wind from the inner side to the outer side of the insulating base is avoided, and the production efficiency of the voice coil motor base is improved.

Inventors

  • JIANG FEI
  • QUE JIAYAO
  • ZHOU JING
  • SHI CHAODONG
  • WANG TIANLAI

Assignees

  • 贝隆精密科技股份有限公司

Dates

Publication Date
20260505
Application Date
20260224

Claims (10)

  1. 1. The voice coil motor base is characterized by comprising an insulating base and a metal circuit arranged in the insulating base, wherein the insulating base comprises a first injection molding structure and a second injection molding structure (1), the second injection molding structure (1) is horizontally arranged, the first injection molding structure comprises a first plastic part (2), a second plastic part (3) and a third plastic part (4), the first plastic part (2), the second plastic part (3) and the third plastic part (4) are respectively and vertically arranged on the periphery of the second injection molding structure (1), the second plastic part (3) and the third plastic part (4) are oppositely arranged, the first plastic part (2), the second plastic part (3) and the third plastic part (4) are close to the inner side wall of the second injection molding structure (1), the containing grooves for installing coils (100) are respectively formed, the containing grooves comprise coil grooves and lead grooves which are mutually communicated, the coil grooves are configured to be used for installing the leads of the coils (1001), and the leads of the coils (1001) are exposed from the bottom of the lead grooves of the coils (1001).
  2. 2. The voice coil motor base according to claim 1, characterized in that the metal circuit comprises a first circuit (5), a part of the first circuit (5) being arranged in the first plastic part (2) and another part being arranged in the second injection-molded structure (1).
  3. 3. The voice coil motor base as recited in claim 2, wherein the receiving recess includes a first receiving recess formed in an inner side wall of the first plastic part (2) adjacent to the second injection molding structure (1), and pins of the first circuit (5) are exposed to a recess bottom wall of the first receiving recess.
  4. 4. A voice coil motor base according to claim 3, wherein the first receiving groove is formed in the first plastic member (2) in plurality, and a plurality of pins corresponding to the first circuit (5) are respectively exposed to a groove bottom wall of the corresponding first receiving groove.
  5. 5. The voice coil motor base according to claim 1, characterized in that the metal circuit comprises a second circuit (6), a part of the second circuit (6) being arranged in the second plastic part (3) and another part being arranged in the second injection-molded structure (1).
  6. 6. The voice coil motor base as recited in claim 5, wherein the receiving recess includes a second receiving recess formed in an inner side wall of the second plastic part (3) facing the third plastic part (4), and pins of the second circuit (6) are exposed to a bottom wall of the second receiving recess.
  7. 7. The voice coil motor base according to claim 1, characterized in that the metal circuit comprises a third circuit (7), a part of the third circuit (7) being arranged in the third plastic part (4) and another part being arranged in the second injection-molded structure (1).
  8. 8. The voice coil motor base as recited in claim 7, wherein the receiving recess includes a third receiving recess formed in an inner sidewall of the third molding (4) facing the second molding (3), and pins of the third circuit (7) are exposed to a recess bottom wall of the third receiving recess.
  9. 9. The voice coil motor base of claim 1, further comprising a first support element and a second support element (8), the first support element being disposed within the first injection molded structure, the second support element (8) being disposed within the second injection molded structure (1).
  10. 10. The voice coil motor base as recited in claim 1, wherein a positioning block (200) is disposed in the coil groove, and the coil (100) is positioned and mounted in the coil groove by the positioning block (200).

Description

Voice coil motor base Technical Field The utility model relates to the technical field of voice coil motors, in particular to a voice coil motor base. Background In the manufacturing process of the voice coil motor, the base is generally made of an insulating material as a core supporting structure, and a metal circuit is arranged inside the base to realize an electrical connection function. The coil is used as a key driving element and needs to be installed in the inner area of the insulating base, and the pins of the metal circuit are positioned on the outer surface of the insulating base. The conventional design has the significant defects that the insulating base is subjected to a bending forming process, then the coil can be installed, and the outgoing line of the coil extends from the inner side of the insulating base to the outer side by-pass edge so as to realize welding connection with the metal circuit pins. The winding operation inevitably causes the length of the outgoing line to be excessively extended, and the phenomenon of stress concentration is extremely easy to occur in a bending transition area, so that the fracture or short circuit risk of the outgoing line is caused. Meanwhile, operators need to repeatedly and manually adjust the trend and the position of the outgoing line so as to ensure the welding reliability, so that the assembly time of a single product is greatly prolonged, the manual intervention frequency is obviously increased, the overall production efficiency is continuously reduced, and the large-scale manufacturing requirement is difficult to meet. Disclosure of utility model The utility model aims to solve the problem of improving the structure of the voice coil motor base so as to improve the production efficiency of the voice coil motor base. The utility model provides a voice coil motor base, which comprises an insulating base and a metal circuit arranged in the insulating base, wherein the insulating base comprises a first injection molding structure and a second injection molding structure, the second injection molding structure is horizontally arranged, the first injection molding structure comprises a first plastic part, a second plastic part and a third plastic part, the first plastic part, the second plastic part and the third plastic part are respectively and vertically arranged on the periphery of the second injection molding structure, the second plastic part and the third plastic part are oppositely arranged, the first plastic part, the second plastic part and the third plastic part are close to the inner side wall of the second injection molding structure, a containing groove for installing a coil is respectively formed in the containing groove, the coil groove is configured to install the coil, a pin of the metal outgoing line is configured to be exposed on the groove bottom wall of the lead groove, and the coil is used for extending from the coil groove to the lead groove and is welded with the pin. Optionally, the metal circuit includes a first circuit, a part of the first circuit is disposed in the first plastic part, and another part of the first circuit is disposed in the second injection molding structure. Optionally, the accommodating groove comprises a first accommodating groove which is formed in the inner side wall of the first plastic part, which is close to the second injection molding structure, and the pins of the first circuit are exposed to the groove bottom wall of the first accommodating groove. Optionally, the first accommodating groove is formed in the first plastic part in a plurality, and the pins corresponding to the first circuit are respectively exposed to the groove bottom wall of the corresponding first accommodating groove. Optionally, the metal circuit includes a second circuit, a part of the second circuit is disposed in the second plastic part, and another part of the second circuit is disposed in the second injection molding structure. Optionally, the accommodating groove comprises a second accommodating groove which is formed in the inner side wall of the second plastic part facing the third plastic part, and the pins of the second circuit are exposed to the groove bottom wall of the second accommodating groove. Optionally, the metal circuit includes a third circuit, a part of the third circuit is disposed in the third plastic part, and another part of the third circuit is disposed in the second injection molding structure. Optionally, the accommodating groove comprises a third accommodating groove which is formed in the inner side wall of the third plastic part facing the second plastic part, and the pins of the third circuit are exposed to the groove bottom wall of the third accommodating groove. Optionally, the voice coil motor base further comprises a first supporting element and a second supporting element, wherein the first supporting element is arranged in the first injection molding structure, and the second supportin