CN-224218175-U - Linear actuator and electric shaver

CN224218175UCN 224218175 UCN224218175 UCN 224218175UCN-224218175-U

Abstract

The utility model discloses a linear actuator and an electric shaver, wherein the linear actuator comprises an actuator body, the actuator body comprises a base, a driving assembly, a moving assembly, a first conducting plate, a cable and a wire pressing structure, the driving assembly is arranged on the base and drives the moving assembly to reciprocate along a preset direction through electromagnetic action, the first conducting plate and the wire pressing structure are fixed on one side of the base, which is away from the driving assembly, the wire pressing structure comprises a first wire pressing part and a second wire pressing part, the first wire pressing part and the second wire pressing part are arranged at intervals along the surface of the first conducting plate, the cable comprises a connecting end and a crimping section, the connecting end is electrically connected with the first conducting plate, and the crimping section penetrates through the first wire pressing part and the second wire pressing part to be pressed on the first conducting plate. According to the linear actuator, the two pressing lines are used for respectively pressing the pressing sections of the cable, so that the length of the pressing line part of the cable is increased, and the connection point of the connection end and the first conductive plate is not easy to loosen.

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: 20260508
Application Date: 20250416

Claims (12)

1. A linear actuator comprising an actuator body, the actuator body comprising a base, a drive assembly, a motion assembly, a first conductive plate, a cable and a wire pressing structure; The driving component is arranged on the base and drives the motion component to reciprocate along a preset direction under the electromagnetic action; The first conductive plate and the wire pressing structure are fixed on one side of the base, which is away from the driving assembly, and the coil of the driving assembly is electrically connected with the first conductive plate; The cable comprises a connecting end and a crimping section which are connected, wherein the connecting end is electrically connected with the first conductive plate, and the crimping section penetrates through the first line pressing part and the second line pressing part so as to be pressed on the first conductive plate.
2. The linear actuator of claim 1, wherein the second wire pressing portion is located between the first wire pressing portion and the connecting end, and the crimp segment is provided in a curved arrangement between the first wire pressing portion and the connecting end.
3. The linear actuator of claim 1, wherein the crimping section comprises a first bending section and a second bending section, two ends of the first bending section are respectively connected with the connecting end and the second bending section, bending directions of the first bending section and the second bending section are opposite, the first bending section penetrates through and is pressed on the first wire pressing part, and the second bending section penetrates through and is pressed on the second wire pressing part.
4. The linear actuator of claim 3, wherein the first bending section is bent toward one side in the predetermined direction, the second bending section is bent toward the other side in the predetermined direction, the first wire pressing portions and the second wire pressing portions are arranged at intervals in the first direction, and the first direction, the predetermined direction, and the thickness direction of the base are perpendicular to each other.
5. The linear actuator of claim 4, wherein the cables are provided in two, the connection ends of the two cables are opposite to each other in the predetermined direction and are spaced apart, the first bending sections of the two cables are bent relatively in the predetermined direction, and the second bending sections of the two cables are bent back to back in the predetermined direction.
6. The linear actuator of claim 5, wherein the base is provided with two first pressing line parts at intervals in the preset direction, first bending sections of the two cables are respectively pressed on the two first pressing line parts, and second bending sections of the two cables are respectively pressed on the same second pressing line part.
7. The linear actuator of claim 5, wherein a distance between a first curved section of two of said cables at two of said first wire pressing portions is greater than a distance between a second curved section of two of said cables at said second wire pressing portions and a distance between two of said connecting ends.
8. The linear actuator of claim 6, wherein the two first wire pressing portions are provided with wire clamping grooves with notches facing away from each other in a preset direction, the first bending sections of the two wires are respectively clamped in the two wire clamping grooves, and/or the second wire pressing portions are provided with wire pressing holes for the two second bending sections to pass through.
9. The linear actuator of claim 6, wherein the second wire pressing portion is provided with two wire pressing holes, the second bending sections of the two wires are respectively arranged in the two wire pressing holes in a penetrating manner, and the second wire pressing portion is further provided with a partition plate between the two wire pressing holes in a protruding manner.
10. Linear actuator according to any of claims 3 to 9, wherein the actuator bodies are provided in two groups, two of the actuator bodies being arranged side by side and spaced apart, wherein the cable of one of the actuator bodies is defined as a first cable, the base of the actuator body is defined as a first base, the cable of the other actuator body is defined as a second cable, and the base of the actuator body is defined as a second base; In the side-by-side direction of the two actuator bodies, the connecting end of the first cable is opposite to the connecting end of the second cable.
11. The linear actuator of claim 10, wherein the cable further comprises a steering section and an extension section, both ends of the steering section being smoothly connected to the extension section and an end of the second bending section remote from the connection end, respectively; the steering sections of the first and second cables are bent relatively in the side-by-side direction, and the extension sections of the first and second cables extend in the side-by-side direction; The linear actuator further comprises a second conductive plate, the second conductive plate is arranged on one side, deviating from the driving assembly, of the line pressing structure, the second conductive plate is provided with a first plate face facing the driving assembly and a second plate face deviating from the driving assembly, the extension section of the first cable is electrically connected to the first plate face, and the extension section of the second cable is electrically connected to the second plate face.
12. An electric shaver, comprising a housing, a cutter head assembly and a linear actuator as claimed in any one of claims 1 to 11, the linear actuator being mounted in the housing, and the cutter head assembly being connected to a moving assembly of the linear actuator.

Description

Linear actuator and electric shaver Technical Field The application relates to the technical field of linear motors, in particular to a linear actuator and an electric shaver. Background The linear actuator, also called a linear motor, is widely used in hand-held devices such as electric shavers, because of its advantages of simple structure, high positioning accuracy, fast reaction speed, safe and reliable operation, etc. The coil terminals of the linear actuator are connected to a power source through a cable to ensure that the motor can continue to operate stably. Since the linear motor performs reciprocating rectilinear motion at high speed, the stability of the cable connection is required to be strict. If the stability of the connection part between the cable and the motor coil leading-out end is insufficient, the connection part is easy to loose or fall off under the influence of vibration or high-speed reciprocating movement, thereby causing equipment failure or damage. 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, the present utility model provides a linear actuator, which aims to solve the technical problem that the connection between the coil lead-out end of the linear actuator and the cable is easy to be loosened. To achieve the above object, the present utility model provides a linear actuator comprising an actuator body including a base, a driving assembly, a moving assembly, a first conductive plate, a cable, and a wire pressing structure; The driving component is arranged on the base and drives the motion component to reciprocate along a preset direction under the electromagnetic action; The first conductive plate and the wire pressing structure are fixed on one side of the base, which is away from the driving assembly, and the coil of the driving assembly is electrically connected with the first conductive plate; The cable comprises a connecting end and a crimping section which are connected, wherein the connecting end is electrically connected with the first conductive plate, and the crimping section penetrates through the first line pressing part and the second line pressing part so as to be pressed on the first conductive plate. In an embodiment, the second wire pressing portion is located between the first wire pressing portion and the connection end, and the crimping section is disposed in a bending manner between the first wire pressing portion and the connection end. In an embodiment, the crimping section comprises a first bending section and a second bending section, wherein two ends of the first bending section are respectively connected with the connecting end and the second bending section, the bending directions of the first bending section and the second bending section are opposite, the first bending section penetrates through and is pressed on the first line pressing part, and the second bending section penetrates through and is pressed on the second line pressing part. In an embodiment, the first bending section is bent towards one side in the preset direction, the second bending section is bent towards the other side in the preset direction, the first wire pressing portions and the second wire pressing portions are arranged at intervals in the first direction, and the first direction, the preset direction and the thickness direction of the base are perpendicular to each other. In an embodiment, two cables are provided, the connection ends of the two cables are opposite to each other in the preset direction and are arranged at intervals, the first bending sections of the two cables are bent relatively in the preset direction, and the second bending sections of the two cables are bent reversely in the preset direction. In an embodiment, the base is provided with two first wire pressing portions at intervals in the preset direction, the first bending sections of the two cables are respectively pressed on the two first wire pressing portions, and the second bending sections of the two cables are respectively pressed on the same second wire pressing portion. In an embodiment, a distance between the first bending sections of the two cables at the two first wire pressing portions is greater than a distance between the second bending sections of the two cables at the second wire pressing portions and a distance between the two connecting ends. In an embodiment, the two first wire pressing portions are provided with wire clamping grooves with notches deviating from each other in a preset direction, the first bending sections of the two cables are respectively clamped in the two wire clamping grooves, and/or the second wire pressing portions are provided with wire pressing holes for the two second bending sections to penetrate. In an embodiment, the second wire pressing portion is provided with two wire pressing holes, the second bending sect