Lens fixing module and projection device

    公开(公告)号:US11454777B2

    公开(公告)日:2022-09-27

    申请号:US16521561

    申请日:2019-07-24

    Abstract: A lens fixing module is configured to fix a lens, wherein the lens has a flange. The lens fixing module includes a fixing base and a fixing ring. The fixing base has a hollow pillar and a first connecting portion. The fixing ring has a restraining portion and a second connecting portion. An end of the lens is inserted into the hollow pillar, the fixing ring is disposed on the lens and the hollow pillar, and the first connecting portion is connected to the second connecting portion, such that the flange is sandwiched in between the restraining portion and the hollow pillar.

    LENS FIXING MODULE AND PROJECTION DEVICE
    2.
    发明申请

    公开(公告)号:US20200348484A1

    公开(公告)日:2020-11-05

    申请号:US16521561

    申请日:2019-07-24

    Abstract: A lens fixing module is configured to fix a lens, wherein the lens has a flange. The lens fixing module includes a fixing base and a fixing ring. The fixing base has a hollow pillar and a first connecting portion. The fixing ring has a restraining portion and a second connecting portion. An end of the lens is inserted into the hollow pillar, the fixing ring is disposed on the lens and the hollow pillar, and the first connecting portion is connected to the second connecting portion, such that the flange is sandwiched in between the restraining portion and the hollow pillar.

    OPTICAL MACHINE MODULE AND PROJECTOR DEVICE

    公开(公告)号:US20240419060A1

    公开(公告)日:2024-12-19

    申请号:US18739281

    申请日:2024-06-10

    Abstract: An optical machine module includes an optical machine housing and at least one reflector adjustment mechanism. The reflector adjustment mechanism includes an adjustment base movably disposed in the optical machine housing, at least one reflector disposed on the adjustment base, a fulcrum adjustment member including a fulcrum adjustment part located outside the optical machine housing and a fulcrum connection part extending into the optical machine housing and adjustably connected to a center of the adjustment base, a first axial adjustment member including a first axial adjustment part and a first connection part, and a second axial adjustment member including a second axial adjustment part and a second connection part. The first and second axial adjustment parts are located outside the optical machine housing. The first and second connection parts extend into the optical machine housing and are adjustably connected to the adjustment base.

    Projector and optical lens mechanism thereof

    公开(公告)号:US10054848B1

    公开(公告)日:2018-08-21

    申请号:US15782859

    申请日:2017-10-13

    Abstract: A projector includes a holding casing having a hole structure, a projection lens movably disposed through the hole structure, a containing casing detachably fixed to the holding casing for forming a containing space, an image projection module disposed in the containing space, and a flexible washer. A first engaging structure is formed on an external surface of the projection lens. The flexible washer jackets the projection lens and has first and second ring structures and a connection ring structure formed therebetween. The first engaging structure is engaged with the second engaging structure of the first ring structure for positioning the first ring structure on the projection lens. The second ring structure is clamped between the holding casing and the containing casing for sealing the containing space cooperatively with the connection ring structure and the first ring structure when the containing casing is fixed to the holding casing.

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