CN213150641U

CN213150641U - Piezoelectric driving coaxial switch

Info

Publication number: CN213150641U
Application number: CN202021999399.6U
Authority: CN
Inventors: 申军
Original assignee: Magvention Suzhou Ltd
Current assignee: Magvention Suzhou Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-07
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a piezoelectric drive coaxial switch, including coaxial switch, the inside piezoelectric drive subassembly that is provided with of coaxial switch, the piezoelectric drive subassembly lower part is provided with soft-magnetic seesaw subassembly, electric drive subassembly lower part both ends are connected with first push rod and second push rod respectively, first push rod lower part is provided with first movable conductor piece, and second push rod lower part is provided with the movable conductor piece of second, the coaxial switch lower part is provided with first coaxial conductor, second coaxial conductor and third coaxial conductor. According to the piezoelectric driving coaxial switch, the second stable position corresponds to the soft magnetic seesaw linkage reaction elastic sheet, the second push rod is pushed to move downwards, the second movable conductor sheet is enabled to contact the first coaxial conductor and the third coaxial conductor at the same time, and the other end of the reaction elastic sheet upwards pulls the first push rod and drives the first movable conductor sheet to leave the first coaxial conductor and the second coaxial conductor.

Description

Piezoelectric driving coaxial switch

Technical Field

The utility model relates to a coaxial switch technical field specifically is a piezoelectric drive coaxial switch.

Background

The term switch is to be interpreted as open and closed, it also refers to an electronic component that opens a circuit, interrupts current flow, or allows current flow to other circuits, the most common being a human-operated electromechanical device in which there are one or more electrical contacts, the "closed" of which indicates that the electrical contact is conductive and current is allowed to flow, and the "open" of which indicates that the electrical contact is non-conductive and forms an open circuit and does not allow current to flow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piezoelectric drive coaxial switch to solve the piezoelectric drive coaxial switch who proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piezoelectricity drive coaxial switch, includes coaxial switch, the inside piezoelectricity drive assembly that is provided with of coaxial switch, piezoelectricity drive assembly lower part is provided with soft magnetic seesaw subassembly, electric drive assembly lower part both ends are connected with first push rod and second push rod respectively, first push rod lower part is provided with first movable conductor piece, and second push rod lower part is provided with the movable conductor piece of second, the coaxial switch lower part is provided with first coaxial conductor, second coaxial conductor and third coaxial conductor.

Preferably, the two ends of the piezoelectric driving component are fixed soft magnets, the middle of the piezoelectric driving component is provided with a fixed permanent magnet, and the two sides of the piezoelectric driving component are provided with a first piezoelectric patch and a second piezoelectric patch.

Preferably, soft-magnetic seesaw subassembly includes soft-magnetic seesaw, reaction shell fragment and pivot, the pivot sets up in soft-magnetic seesaw middle part, soft-magnetic seesaw lower part is provided with the reaction shell fragment.

Compared with the prior art, the beneficial effects of the utility model are that: the piezoelectric driven coaxial switch has a soft magnetic seesaw having a first end (e.g., left end) and a second end (e.g., right end) and rotatable about a rotation axis. The soft magnetic seesaw may have at least two stable positions, wherein a first stable position is one in which a first end thereof is attracted to the permanent magnet assembly; wherein the second stable position is such that its second end is attracted to the permanent magnet assembly. Applying a voltage to the piezoelectric actuator causes the piezoelectric sheet to bend and deform, thereby pushing the soft magnetic seesaw from one stable position to another. The first stable position corresponds to the soft magnetic seesaw linkage counterforce elastic sheet and pushes the first push rod to move downwards, and the movable first conductor sheet is enabled to contact the first coaxial conductor and the second coaxial conductor simultaneously; the other end of the counter-force elastic sheet pulls the second push rod upwards and drives the second movable conductor sheet to leave the first coaxial conductor and the third coaxial conductor. The second stable position corresponds to the soft magnetic seesaw linkage reaction elastic sheet, the second push rod is pushed to move downwards, the second movable conductor sheet is enabled to contact the first coaxial conductor and the third coaxial conductor at the same time, and the other end of the reaction elastic sheet pulls the first push rod upwards and drives the first movable conductor sheet to leave the first coaxial conductor and the second coaxial conductor.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic structural view of the piezoelectric driving assembly of the present invention.

In the figure: 10. a piezoelectric drive assembly; 10A, a first piezoelectric sheet; 10B, a second piezoelectric sheet; 20. a soft magnetic seesaw assembly; 21. a soft magnetic seesaw; 22. a counter-force spring plate; 23. a rotating shaft; 30. fixing the permanent magnet assembly; 30A, fixing a permanent magnet; 30B, fixing the soft magnet; 42. a first push rod; 52. a second push rod; 40. a first movable conductor piece; 50 a second movable conductor piece; 61. a first coaxial conductor; 62. a second coaxial conductor; 63. A third coaxial conductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a piezoelectric driving coaxial switch comprises a coaxial switch 100, a piezoelectric driving component 10, a first piezoelectric piece 10A, a second piezoelectric piece 10B, a soft magnetic seesaw component 20, a soft magnetic seesaw 21, a reaction spring 22, a rotating shaft 23, a fixed permanent magnet component 30, a fixed permanent magnet 30A, a fixed soft magnetic body 30B, a first movable conductor piece 40, a first push rod 42, a second movable conductor piece 50, a second push rod 52, a first coaxial conductor 61, a second coaxial conductor 62 and a third coaxial conductor 63, wherein the piezoelectric driving component 10 is arranged in the coaxial switch 100, the soft magnetic seesaw component 20 is arranged at the lower part of the piezoelectric driving component 10, the first push rod 42 and the second push rod 52 are respectively connected to two ends of the lower part of the electric driving component 10, the first movable conductor piece 40 is arranged at the lower part of the first push rod 42, the second movable conductor piece 50 is arranged at the lower part of the second push rod 52, the coaxial switch 100 is provided at a lower portion thereof with a first coaxial conductor 61, a second coaxial conductor 62, and a third coaxial conductor 63.

The two ends of the piezoelectric driving component 10 of this embodiment are fixed soft magnets 30B, the middle of the piezoelectric driving component 10 is provided with a fixed permanent magnet 30A, and the two sides of the piezoelectric driving component 10 are provided with a first piezoelectric patch 10A and a second piezoelectric patch 10B.

The soft magnetic seesaw component 20 comprises a soft magnetic seesaw 21, a reaction spring piece 22 and a rotating shaft 23, the rotating shaft 23 is arranged in the middle of the soft magnetic seesaw 21, and the reaction spring piece 22 is arranged on the lower portion of the soft magnetic seesaw 21.

The working principle is as follows: in using the piezoelectric-driven coaxial switch, the soft magnetic seesaw 21 has a first end (e.g., left end) and a second end (e.g., right end), and is rotatable about the rotary shaft 23. The soft magnetic seesaw 21 may have at least two stable positions, wherein a first stable position is one in which a first end thereof is attracted to the permanent magnet assembly 30; the second of which is positioned such that its second end is attracted to the permanent magnet assembly 30. Applying a voltage to the piezoelectric actuator causes the piezoelectric plate to bend and deform, thereby pushing the soft magnetic seesaw 21 from one stable position to another stable position, the first stable position corresponding to the soft magnetic seesaw 21 cooperating with the reaction spring 22 to push the first push rod 42 to move downward and make the movable first conductor plate 40 contact the first coaxial conductor 61 and the second coaxial conductor 62 simultaneously; the other end of the reaction spring 22 pulls the second push rod 52 upwards and drives the second movable conductor piece 50 to leave the first coaxial conductor 61 and the third coaxial conductor 63, the second stable position corresponds to the soft magnetic seesaw 21 linking the reaction spring 22 to push the second push rod 52 to move downwards and make the second movable conductor piece 50 contact the first coaxial conductor 61 and the third coaxial conductor 63 simultaneously, the other end of the reaction spring 22 pulls the first push rod 42 upwards and drives the first movable conductor piece 40 to leave the first coaxial conductor 61 and the second coaxial conductor 62, which completes the whole work, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A piezo-electrically driven coaxial switch comprising a coaxial switch (100), characterized in that: the coaxial switch is characterized in that a piezoelectric driving assembly (10) is arranged inside the coaxial switch (100), a soft magnetic seesaw assembly (20) is arranged on the lower portion of the piezoelectric driving assembly (10), two ends of the lower portion of the electric driving assembly (10) are respectively connected with a first push rod (42) and a second push rod (52), a first movable conductor piece (40) is arranged on the lower portion of the first push rod (42), a second movable conductor piece (50) is arranged on the lower portion of the second push rod (52), and a first coaxial conductor (61), a second coaxial conductor (62) and a third coaxial conductor (63) are arranged on the lower portion of the coaxial switch (100).

2. A piezoelectric actuated coaxial switch as claimed in claim 1, wherein: the piezoelectric driving component is characterized in that two ends of the piezoelectric driving component (10) are fixed soft magnets (30B), a fixed permanent magnet (30A) is arranged in the middle of the piezoelectric driving component (10), and a first piezoelectric sheet (10A) and a second piezoelectric sheet (10B) are arranged on two sides of the piezoelectric driving component (10).

3. A piezoelectric actuated coaxial switch as claimed in claim 1, wherein: soft-magnetic seesaw subassembly (20) are including soft-magnetic seesaw (21), reaction shell fragment (22) and pivot (23), pivot (23) set up in soft-magnetic seesaw (21) middle part, soft-magnetic seesaw (21) lower part is provided with reaction shell fragment (22).