JPWO2023074145A5

JPWO2023074145A5 -

Info

Publication number: JPWO2023074145A5
Application number: JP2023556171A
Authority: JP
Filing date: 2022-09-09
Publication date: 2024-05-23

Description

本発明の一実施形態は、相対移動する第１取付部材と第２取付部材との間に設けられ、前記第１取付部材に固定される第１部材と、前記第２取付部材に固定される第２部材と、を有するアクチュエータ装置であって、前記第１部材は、一端側に底部が設けられ、他端側が開口する第１シリンダと、前記第１シリンダの内側に配置される円筒状の筒体と、前記筒体に固定される複数の磁石と、前記第１シリンダ内の前記底部から開口する他端側に向けて延びるロッドと、を備えており、前記第２部材は、前記第１シリンダの内側に設けられ、一端側から前記ロッドが挿入され、他端側が閉塞される第２シリンダと、前記第２シリンダの外周に配置されるコイルと、を備えており、前記複数の磁石は、該複数の磁石のうち前記筒体と当接する当接部よりも周方向外側に接着剤が塗布されており、かつ、接着剤を収容可能にする第１接着剤収容部を有し、前記複数の磁石は、軸方向端面の径方向内側と径方向外側の間に設けられ、接着剤を収容可能にする溝状に形成される第２接着剤収容部を有する。
One embodiment of the present invention is an actuator device provided between a first mounting member and a second mounting member which move relative to each other, the actuator device having a first member fixed to the first mounting member and a second member fixed to the second mounting member, the first member comprising a first cylinder having a bottom at one end and an open other end, a cylindrical body arranged inside the first cylinder, a plurality of magnets fixed to the body, and a rod extending from the bottom inside the first cylinder towards the open other end, the second member comprising a second cylinder arranged inside the first cylinder, into which the rod is inserted from one end and whose other end is closed, and a coil arranged on the outer periphery of the second cylinder, the plurality of magnets having an adhesive applied circumferentially outside abutment portions of the plurality of magnets which abut against the body, and a first adhesive accommodating portion capable of accommodating the adhesive , and the plurality of magnets having a second adhesive accommodating portion formed in a groove shape capable of accommodating the adhesive, the plurality of magnets being provided between the radially inner side and the radially outer side of the axial end faces .

Claims

An actuator device having a first member fixed to the first mounting member and a second mounting member fixed to the second mounting member, the actuator device being provided between the first mounting member and the second mounting member which move relative to each other,
The first member is
A first cylinder having a bottom on one end side and an open other end side;
A cylindrical body disposed inside the first cylinder;
A plurality of magnets fixed to the cylindrical body;
a rod extending from the bottom of the first cylinder toward an open other end thereof,
The second member is
a second cylinder provided inside the first cylinder, into which the rod is inserted from one end side and whose other end side is closed;
a coil disposed on an outer periphery of the second cylinder,
the magnets have a first adhesive accommodating portion that is adapted to accommodate the adhesive, the first adhesive accommodating portion being circumferentially outward of a contact portion of the magnets that contacts the cylindrical body ;
The actuator device has a second adhesive containing portion formed in a groove shape capable of containing adhesive, the second adhesive containing portion being provided between the radially inner and radially outer sides of the axial end faces .

An actuator device having a first member fixed to the first mounting member and a second mounting member fixed to the second mounting member, the actuator device being provided between the first mounting member and the second mounting member which move relative to each other,
The first member is
A first cylinder having a bottom on one end side and an open other end side;
A cylindrical body disposed inside the first cylinder;
A plurality of magnets fixed to the cylindrical body;
a rod extending from the bottom of the first cylinder toward an open other end thereof,
The second member is
a second cylinder provided inside the first cylinder, into which the rod is inserted from one end side and whose other end side is closed;
a coil disposed on an outer periphery of the second cylinder,
the magnets have a first adhesive accommodating portion that is adapted to accommodate the adhesive, the first adhesive accommodating portion being circumferentially outward of a contact portion of the magnets that contacts the cylindrical body;
The first member includes an annular sheet member provided between the magnets adjacent to each other in the axial direction,
The sheet member has an inclined portion that is inclined radially inward, and the inclined portion serves as a third adhesive containing portion that is capable of containing an adhesive .