CN-224203562-U - Projector housing and projection device

CN224203562UCN 224203562 UCN224203562 UCN 224203562UCN-224203562-U

Abstract

The application discloses a projector shell and projection equipment, and belongs to the technical field of projection. The projector shell comprises a shell body, a light-transmitting lens and a mounting cover plate. The shell body is provided with a cavity and a first light outlet hole communicated with the cavity, and one side of the shell body, where the first light outlet hole is arranged, is provided with a first clamping piece. The mounting cover plate is positioned on one side of the shell body, provided with a first light outlet, and provided with a second clamping piece on one side facing the shell body, the second clamping piece is detachably connected with the first clamping piece, and the mounting cover plate is provided with a second light outlet, which is communicated with the first light outlet. The light-transmitting lens is connected with the mounting cover plate at the position of the second light-emitting hole. When the dust in the airtight space influences the display effect of the picture projected by the projection lens, the inner surface of the light-transmitting lens can be cleaned by disassembling and installing the cover plate, the disassembly and the assembly are simple, the operation is convenient, the cleaning and the maintenance are convenient, and the cleaning difficulty of the light-transmitting lens is reduced.

Inventors

Xia Tongling
HOU NAIWEN
HAN YUWEI

Assignees

青岛海信激光显示股份有限公司

Dates

Publication Date: 20260505
Application Date: 20250527

Claims (10)

1. The projector shell is characterized by comprising a shell body, a light-transmitting lens and a mounting cover plate; The shell body is provided with a cavity and a first light outlet hole communicated with the cavity, and a first clamping piece is arranged on one side of the shell body, where the first light outlet hole is arranged; The mounting cover plate is positioned at one side of the shell body, provided with the first light outlet, and provided with a second clamping piece at one side facing the shell body, and the second clamping piece is detachably connected with the first clamping piece; the light-transmitting lens is connected with the mounting cover plate at the position of the second light-emitting hole.
2. The projector housing of claim 1, wherein said first clip comprises a plurality of snap-fit structures and said second clip comprises a plurality of snap-fit structures that snap-fit with said plurality of snap-fit structures; Wherein, a plurality of buckle structures distribute in the edge position department of installation apron.
3. The projector housing of claim 2, wherein said plurality of snap features comprises at least two first snap features and/or at least two second snap features; The mounting cover plate comprises at least two first buckling structures, at least two second buckling structures and a connecting piece, wherein the at least two first buckling structures are distributed on two sides of the mounting cover plate in a first direction, the at least two second buckling structures are distributed on two sides of the mounting cover plate in a second direction, and the first direction and the second direction are intersected and are parallel to the plate surface where the mounting cover plate is located.
4. The projector housing as defined in claim 1, wherein a side of the mounting cover plate facing the housing body is further provided with at least two first positioning portions, and a side of the housing body where the first light emitting holes are provided is further provided with at least two second positioning portions; The at least two first positioning parts are in one-to-one correspondence with the at least two second positioning parts, and each first positioning part is in plug-in fit with the corresponding second positioning part.
5. The projector housing of claim 1, wherein an outer wall of said housing body has a mounting groove, said first light exit aperture and said first clip are both located at a bottom of said mounting groove, and at least a portion of said mounting cover is located in said mounting groove.
6. The projector housing of any one of claims 1 to 5, further comprising a support ring, a clamp ring, and a lock; The support ring is detachably connected with the mounting cover plate at the position of the second light emergent hole, and the support ring is abutted to one side, far away from the shell body, of the light-transmitting lens; The compression ring is abutted to one side, close to the shell body, of the light-transmitting lens, and the installation cover plate faces one side of the shell body through the locking piece and the locking piece in a detachable connection mode.
7. The projector housing of claim 6, wherein said support ring comprises a first positioning ring, a second positioning ring and a third positioning ring, wherein one side of said second positioning ring near said housing body is fixedly connected to an inner ring edge of said first positioning ring, and one side of said second positioning ring far from said housing body is fixedly connected to an outer ring edge of said third positioning ring; After the supporting ring is detachably connected with the mounting cover plate, at least part of the second positioning ring is positioned in the second light outlet hole, the first positioning ring is abutted against one side of the mounting cover plate, which is close to the housing body, and the light-transmitting lens is positioned in an area surrounded by the second positioning ring and abutted against one side of the third positioning ring, which faces the housing body.
8. The projector housing of claim 7, wherein said clamp ring comprises a first clamp ring and a second clamp ring, wherein an inner ring edge of said second clamp ring is fixedly connected with a side of said first clamp ring adjacent to said housing body; After the compression ring is detachably connected to the mounting cover plate through the locking piece, at least part of the first pressing ring is located in the second positioning ring, the first pressing ring is abutted to one side, deviating from the third positioning ring, of the light-transmitting lens, and the second pressing ring is abutted to one side, deviating from the mounting cover plate, of the first positioning ring.
9. The projector housing of claim 6, wherein said projector housing further comprises an elastomeric seal ring; the elastic sealing ring is clamped between the compression ring and the light-transmitting lens.
10. A projection device comprising a projector body and a projector housing as claimed in any one of claims 1 to 9, the projector body being mounted in a cavity of the projector housing.

Description

Projector housing and projection device Technical Field The present application relates to the field of projection technologies, and in particular, to a projector housing and a projection apparatus. Background The projection device is a multifunctional display device, and provides a large-size and high-quality visual experience for users through optical technology and multimedia functions. Projection devices generally include a housing and a lens assembly. The lens assembly is positioned in the housing. The shell is provided with light-transmitting glass, and a gap is formed between the lens component and the light-transmitting glass. In order to reduce dust invasion into the gap between the lens assembly and the light-transmitting glass and keep the picture clear, a circle of foam is arranged at the gap between the lens assembly and the light-transmitting glass so as to realize the dustproof function. However, with long-term use, due to structural gaps or ageing of foam, too much fine dust is generated (entered) in the sealed space between the projection lens and the light-transmitting glass and is adsorbed on the inner surface of the light-transmitting glass. The brightness of the projection lens at the light-transmitting glass can reach hundreds of thousands or even millions of luxes, and tiny dust adsorbed on the inner surface of the light-transmitting glass is obvious, so that the display effect of a picture projected by the projection device can be influenced. Disclosure of utility model The embodiment of the application provides a projector shell and projection equipment. The problem of the interior surface cleaning difficulty of printing opacity glass among the prior art can be solved, technical scheme is as follows: In a first aspect, a projector housing is provided, comprising a housing body, a light-transmitting lens and a mounting cover plate; The shell body is provided with a cavity and a first light outlet hole communicated with the cavity, and a first clamping piece is arranged on one side of the shell body, where the first light outlet hole is arranged; The mounting cover plate is positioned at one side of the shell body, provided with the first light outlet, and provided with a second clamping piece at one side facing the shell body, and the second clamping piece is detachably connected with the first clamping piece; the light-transmitting lens is connected with the mounting cover plate at the position of the second light-emitting hole. Optionally, the first clamping piece comprises a plurality of snap fit structures, the second clamping piece comprises a plurality of snap fit structures, and the plurality of snap fit structures are correspondingly clamped with the plurality of snap fit structures; Wherein, a plurality of buckle structures distribute in the edge position department of installation apron. Optionally, the plurality of snap features comprises at least two first snap features and/or at least two second snap features; The mounting cover plate comprises at least two first buckling structures, at least two second buckling structures and a connecting piece, wherein the at least two first buckling structures are distributed on two sides of the mounting cover plate in a first direction, the at least two second buckling structures are distributed on two sides of the mounting cover plate in a second direction, and the first direction and the second direction are intersected and are parallel to the plate surface where the mounting cover plate is located. Optionally, the side of the mounting cover plate facing the housing body is further provided with at least two first positioning parts, and the side of the housing body provided with the first light emitting hole is further provided with at least two second positioning parts; The at least two first positioning parts are in one-to-one correspondence with the at least two second positioning parts, and each first positioning part is in plug-in fit with the corresponding second positioning part. Optionally, the outer wall of the housing body is provided with a mounting groove, the first light emitting hole and the first clamping piece are both located at the bottom of the mounting groove, and at least part of the mounting cover plate is located in the mounting groove. Optionally, the projector shell further comprises a supporting ring, a compression ring and a locking piece; The support ring is detachably connected with the mounting cover plate at the position of the second light emergent hole, and the support ring is abutted to one side, far away from the shell body, of the light-transmitting lens; The clamp ring is abutted to one side, close to the shell body, of the light-transmitting lens, and the clamp ring is detachably connected with one side, facing the shell body, of the mounting cover plate through the locking piece. The bearing ring comprises a first positioning ring, a second positioning ring and a third positioning ring, wherei