CN-224216987-U - Lens adjusting assembly and projection device

CN224216987UCN 224216987 UCN224216987 UCN 224216987UCN-224216987-U

Abstract

The application discloses a lens adjusting assembly and a projection device, wherein the lens adjusting assembly comprises a light machine shell, the light machine shell comprises a first end, a light outlet is formed in the first end, the lens assembly comprises a lens body, the lens body is arranged in the light machine shell and is opposite to the light outlet, the axial direction of the lens body is defined to be a first direction, a lens decoration piece is movably connected with the light machine shell and is positioned between the lens body and the first end, the lens decoration piece is provided with a light through hole corresponding to the light outlet, an adjusting bracket is positioned between the lens body and the lens decoration piece, one end of the adjusting bracket is connected with the lens decoration piece, the other end of the adjusting bracket is connected with the lens body, when the lens body deflects, the adjusting bracket is driven to move along a second direction, when the adjusting bracket moves, the lens decoration piece is driven to move along the second direction so as to adjust the displacement of the light through hole in the second direction, and the second direction is perpendicular to the first direction. The application can realize the centering adjustment of the lens body and the lens decoration piece through a simple and reliable structure.

Inventors

LI YUANLIANG
ZHU YUANWEI
JIANG JIANHUI
LI YI

Assignees

深圳光峰科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250408

Claims (10)

1. A lens adjustment assembly, comprising: the optical machine shell comprises a first end, wherein the first end is provided with a light outlet; The lens assembly comprises a lens body, a lens cover and a lens cover, wherein the lens body is arranged in the optical machine shell and is opposite to the light outlet; the lens decoration piece is movably connected with the optical machine shell and is positioned between the lens body and the first end, and the lens decoration piece is provided with a light through port corresponding to the light outlet; The adjusting bracket is positioned between the lens body and the lens decoration, one end of the adjusting bracket is connected with the lens decoration, and the other end of the adjusting bracket is connected with the lens body; when the lens body deflects, the adjusting bracket is driven to move along a second direction, and when the adjusting bracket moves, the lens decorating piece is driven to move along the second direction so as to adjust the displacement of the light through opening in the second direction, wherein the second direction is perpendicular to the first direction.
2. The lens adjustment assembly of claim 1, wherein, The lens decorating part is provided with annular slotted holes on two side edges distributed along the second direction, the length direction of the annular slotted holes is parallel to the second direction, the width of the annular slotted holes is equal to the diameter of the first fixing part, and the length of the annular slotted holes is larger than the diameter of the first fixing part; The first fixing piece penetrates through the annular groove hole and is inserted into the optical engine shell to limit movement of the lens decorating piece in the second direction.
3. The lens adjustment assembly of claim 2, wherein, The lens decoration piece comprises two extension parts, the extension parts are symmetrically arranged on two side edges of the lens decoration piece, which are distributed along the second direction, and extend towards the outside of the lens decoration piece, and the annular slotted hole is arranged on the extension parts.
4. The lens adjustment assembly of claim 3, wherein, The lens decoration piece is provided with a first positioning column and a first mounting hole, and the adjusting bracket is provided with a first positioning hole and a first fixing hole; The first positioning column is matched with the first positioning hole to position the adjusting bracket and the lens decoration, and the first mounting hole is matched with the first fixing hole to be matched with the second fixing piece so as to fixedly connect the adjusting bracket and the lens decoration.
5. The lens adjustment assembly of claim 4, wherein, The lens decoration piece comprises a decoration body and a supporting plate surrounding the decoration body; The decorative body is provided with the light-passing port; The two side edges of the support plate distributed along the second direction are provided with the protruding parts, one side edge of the support plate distributed along the third direction is provided with the first positioning column and the first mounting hole, and the third direction is perpendicular to the first direction and the second direction.
6. The lens adjustment assembly of claim 5, wherein, The adjusting bracket comprises a first plate body and a second plate body which are vertically connected, the extending direction of the first plate body is perpendicular to the first direction, and the extending direction of the second plate body is perpendicular to the third direction; The first plate body is provided with an annular groove which is in interference fit with the lens body, and the two side edges of the second plate body distributed along the second direction are provided with the first positioning holes and the first fixing holes.
7. The lens adjustment assembly of claim 1, wherein, The optical machine shell comprises a second end which is arranged opposite to the first end, and the direction of the second end pointing to the first end is parallel to the first direction; The lens adjusting assembly comprises a light machine body, wherein the light machine body is fixedly arranged in the light machine shell and is close to the second end, a mounting part is arranged on one side, close to the first end, of the light machine body, and the lens body is connected with the mounting part and can rotate along the circumferential direction of the lens body relative to the mounting part.
8. The lens adjustment assembly of claim 7, wherein, The lens assembly comprises a focusing ring and a driving assembly; The driving component is arranged on one side of the lens body, which is close to the mounting part, and is connected with the focusing ring, and the driving component is used for driving the focusing ring to rotate so that the focusing ring drives the lens body to rotate.
9. The lens adjustment assembly of claim 7, wherein, Two second positioning holes and two fixing holes are formed in one side, extending along the first direction, of the optical machine main body, and two second positioning columns and two second mounting holes are formed in the optical machine shell; the second positioning column is matched with the second positioning hole to position the optical machine main body and the optical machine shell, and the second mounting hole and the second fixing hole are used for being matched with a third fixing piece to fixedly connect the optical machine main body and the optical machine shell.
10. A projection apparatus, comprising a lens adjusting assembly according to any one of claims 1 to 9.

Description

Lens adjusting assembly and projection device Technical Field The present application relates to the field of optical technologies, and in particular, to a lens adjusting assembly and a projection apparatus. Background The optical machine assembly comprises an optical machine main body and an optical machine lens which are connected with each other, and a lens decoration is usually arranged on the outer side of the optical machine lens in order to better protect the overall appearance of the optical machine lens and the lifting device. At present, one end of the optical machine main body is connected with the optical machine lens, and the other end of the optical machine main body is fixedly arranged in the optical machine shell, and as the distance between the fixed end and the connecting end is far, the optical machine main body and the optical machine lens are more in steps in the installation process, the optical machine lens is easy to deviate, and an installation deviation is formed between the optical machine main body and a lens decoration, so that the light-emitting precision and the product yield are reduced. In the related art, a positioning fixture is generally used to adjust the offset problem of the optical engine lens. However, the related art needs to realize adjustment by means of multiple sets of jigs, and the adjustment difficulty is large and the adjustment precision is low. Disclosure of utility model The application mainly solves the technical problem of providing a lens adjusting component and a projection device, and can solve the problem that the related technology can not well adjust the deflection of the optical machine lens. The first technical scheme adopted by the application is to provide a lens adjusting assembly, which comprises an optical engine shell, wherein the optical engine shell comprises a first end, a light outlet is formed in the first end, the lens assembly comprises a lens body, the lens body is arranged in the optical engine shell and is opposite to the light outlet, the axial direction of the lens body is defined to be a first direction, a lens decoration part is movably connected with the optical engine shell and is positioned between the lens body and the first end, the lens decoration part is provided with a light through hole corresponding to the light outlet, an adjusting bracket is positioned between the lens body and the lens decoration part, one end of the adjusting bracket is connected with the lens decoration part, and the other end of the adjusting bracket is connected with the lens body, wherein when the lens body deflects, the adjusting bracket is driven to move along a second direction, the lens decoration part is driven to move along the second direction so as to adjust the displacement of the light through hole in the second direction, and the second direction is perpendicular to the first direction. The lens decorating part comprises a first fixing part, a second fixing part, a lens decorating part, a first fixing part, a second fixing part, a first fixing part and a lens decorating part, wherein the two side edges of the lens decorating part, which are distributed along the second direction, are respectively provided with annular slotted holes, the length direction of each annular slotted hole is parallel to the second direction, the width of each annular slotted hole is equal to the diameter of the first fixing part, and the length of each annular slotted hole is larger than the diameter of the first fixing part, and the first fixing part penetrates through the annular slotted holes and is inserted into a light machine shell to limit the movement of the lens decorating part in the second direction. The lens decoration piece comprises two extending parts, the extending parts are symmetrically arranged on two side edges of the lens decoration piece, which are distributed along the second direction, and extend to the outside of the lens decoration piece, and annular slotted holes are formed in the extending parts. The lens decoration piece is provided with a first positioning column and a first mounting hole, the adjusting support is provided with a first positioning hole and a first fixing hole, the first positioning column is matched with the first positioning hole to position the adjusting support and the lens decoration piece, and the first mounting hole is matched with the first fixing hole to be fixedly connected with the adjusting support and the lens decoration piece. The lens decoration piece comprises a decoration body and a support plate surrounding the decoration body, wherein the decoration body is provided with light through holes, protruding parts are arranged on two side edges of the support plate distributed along the second direction, a first positioning column and a first mounting hole are arranged on one side edge of the support plate distributed along the third direction, and the third direction is perpendicular to the first