Flexible clamping sleeve of piezoelectric ceramic actuator
A piezoelectric ceramic and driver technology, which is applied to generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., can solve the problem that piezoelectric ceramic drivers are easily damaged and difficult to miniaturize. , large volume and other problems, to achieve the effect of low production cost, convenient use and small volume increment
Inactive Publication Date: 2009-12-02
HEFEI UNIV OF TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide a flexible clamping sleeve for piezoelectric ceramic actuators, which can be applied to the packaging of bare piezoelectric ceramic actuators of different specifications and shapes, so as to solve the problem of large volume of piezoelectric ceramic actuators with packaging in the traditional technology. Difficulty in miniaturization, and the problem that piezoelectric ceramic drivers without packaging are easily damaged
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[0015] Such as figure 1 and figure 2 shown. Flexible clamping sleeve for piezoelectric ceramic driver, including sleeve 2, the material of sleeve 2 is 65Mn. It is processed by wire cutting. When cutting, the horizontal elastic thin groove 7 is symmetrical to the cutting plane containing the axis. The opening angle θ is greater than 240°. The displacement δ output by the sleeve 2 is the same as the load force generated by the sleeve 2 to the piezoelectric ceramic driver. F, the thickness d of the sleeve, the number n of the transverse elastic thin grooves, the width t of the transverse elastic thin grooves, the spacing b of the transverse elastic thin grooves, and the opening angle θ of the transverse elastic thin grooves have the following relationship : δ=e -49.8496 d -0.568449 t 2.66046 no 1.45484 b -5.75683 θ 9.43557 f 0.988036 . Threads are respectively formed on the inner wall and the outer wall of the lower part of the elastic thin groove on the sleeve 2, and ...
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The invention relates to a flexible clamping sleeve of a piezoelectric ceramic actuator, which comprises a sleeve, a metal ball, a screw and a mounting connecting ring, wherein the top part of the sleeve is provided with a through hole; the sleeve is transversely provided with an elastic cannelure; the inner wall and the outer wall of the sleeve are provided with screw threads respectively; the sidewall, at the lower part of the elastic cannelure, of the sleeve is also provided with a cannelure; the metal ball can be received in the through hole on the top part of the sleeve; the screw rod is positioned inside the sleeve and screwed with the screw threads of the inner wall of the sleeve; the inner wall of the mounting connecting ring is provided with screw threads; the mounting connecting ring is provided with a mounting hole; and the mounting connecting ring is sleeved on the outer end of the sleeve and screwed with the screw threads of the outer wall of the sleeve. The flexible clamping sleeve of the piezoelectric ceramic actuator is suitable for encapsulating bare piezoelectric ceramic actuators of different specifications and shapes and has less influences on the service performance of the piezoelectric ceramic actuators, has a volume increment less than an encapsulated piezoelectric ceramic actuator commodity and low manufacturing cost, can directly add the mounting hole on the sleeve according to the mounting requirements and is convenient to use.
Description
technical field [0001] The invention relates to the field of mechanical structure design, and is applied to the field of micro-displacement driving, in particular to a flexible clamping sleeve of a piezoelectric ceramic driver. Background technique [0002] The piezoelectric ceramic drivers currently on the market mainly include: cylindrical piezoelectric ceramic drivers with packages, cylindrical piezoelectric ceramic drivers without packages, and rectangular cross-section piezoelectric ceramic drivers without packages. Compared with the piezoelectric ceramic driver without package, the piezoelectric ceramic driver with package is expensive and bulky, and when the piezoelectric ceramic driver needs to be fixedly connected with the overall structure of the use environment, it is often necessary to add adapters , increasing the difficulty of system miniaturization. Piezoelectric ceramic drivers without packaging are easily damaged during installation and use, such as piezoce...
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IPC IPC(8): H02N2/00
Inventor 余晓芬程伶俐
Owner HEFEI UNIV OF TECH