CN220543150U - Point contact waveguide sheet dustproof structure - Google Patents
Point contact waveguide sheet dustproof structure Download PDFInfo
- Publication number
- CN220543150U CN220543150U CN202322270841.1U CN202322270841U CN220543150U CN 220543150 U CN220543150 U CN 220543150U CN 202322270841 U CN202322270841 U CN 202322270841U CN 220543150 U CN220543150 U CN 220543150U
- Authority
- CN
- China
- Prior art keywords
- lens group
- waveguide
- multipoint contact
- multipoint
- supporting edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses a point contact waveguide piece dustproof structure which comprises a lens group shell, a waveguide piece and a gland, wherein the waveguide piece is in pressure connection between the lens group shell and the gland, a reserved space is arranged between the bottom end of the waveguide piece and the outer side end of the lens group shell, a multipoint contact supporting edge is arranged on the outer side end of the lens group shell at the reserved space, the multipoint contact supporting edge is in multipoint contact with the bottom end of the waveguide piece, and hollowed-out light transmission is reserved between multipoint contact supporting parts. The lens group shell outside end at the reserved space is provided with the multipoint contact supporting edge, so that multipoint contact with the waveguide sheet is formed, the rest areas remain hollowed-out light transmission, the imaging quality is ensured, the fixed supporting strength is improved, and meanwhile, dust is prevented from entering in a large area.
Description
Technical Field
The utility model relates to the technical field of optical waveguide modules, in particular to a dustproof structure of a point contact waveguide sheet.
Background
The optical waveguide module is mainly composed of glass, a waveguide sheet and a micro display, one end of the waveguide sheet is exposed outside, the surface of the waveguide sheet is required to be subjected to total reflection, large-area contact is not allowed, meanwhile, the inside of the optical waveguide module is required to be kept clean, and pollutants such as dust enter the optical waveguide module to seriously influence the display effect.
As shown in fig. 1-3, the connection structure of the existing waveguide sheet is generally composed of three parts, namely a lens group shell 1, a waveguide sheet 2 and a gland 3, wherein the waveguide sheet is suspended in the structure and is inserted between the lens group shell and the gland, and the surface of the waveguide sheet needs to be totally reflected, so that the suspended arrangement of the connection part between the bottom end of the waveguide sheet and the outer end of the lens group shell needs to be maintained, but the suspended arrangement of the waveguide sheet leads to the great reduction of the installation strength of the waveguide sheet, meanwhile, the gap between the suspended part of the bottom end of the waveguide sheet is large, and dust easily enters from a suspended gap 4 between the waveguide sheet and the lens group shell during transportation and operation, so that the inside of the lens group shell is polluted, and the display effect is seriously affected.
Disclosure of Invention
In order to solve the technical problems, the utility model designs a dustproof structure of a point contact waveguide sheet.
The utility model adopts the following technical scheme:
the utility model provides a point contact waveguide piece dustproof construction, includes lens group casing, waveguide piece and gland, and the waveguide piece crimping sets up the reserve space between lens group casing and gland, waveguide piece bottom and lens group casing outside end junction, be provided with the multipoint contact on the reserve space department lens group casing outside end and support the limit, multipoint contact supports limit and waveguide piece bottom multipoint contact and supports, remains fretwork printing opacity between the multipoint contact supporting part.
Preferably, the multipoint contact supporting edge is a zigzag structure supporting edge.
Preferably, the multipoint contact supporting edge is a wave-shaped structural supporting edge.
Preferably, the lens group shell is provided with convex strips on two sides, the corresponding part of the gland is provided with a clamping groove, and the clamping groove is correspondingly matched and clamped with the convex strips.
Preferably, the lens group housing comprises an inner housing and an outer housing, and the inner housing and the outer housing are in clamping connection.
The beneficial effects of the utility model are as follows: the lens group shell outside end at the reserved space is provided with the multipoint contact supporting edge, so that multipoint contact with the waveguide sheet is formed, the rest areas remain hollowed-out light transmission, the imaging quality is ensured, the fixed supporting strength is improved, and meanwhile, dust is prevented from entering in a large area.
Drawings
FIG. 1 is a schematic view of a conventional waveguide plate connection structure;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a schematic view of a construction of the present utility model;
FIG. 5 is a front view of embodiment 1 of the present utility model;
FIG. 6 is a front view of embodiment 2 of the present utility model;
in the figure: 1. lens group shell 2, waveguide sheet 3, gland, 4, suspension gap 5, multipoint contact supporting edge 6, convex strip 7, inner shell 8, outer shell.
Detailed Description
The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:
example 1: as shown in fig. 4-5, a point contact waveguide sheet dustproof structure comprises a lens group shell 1, a waveguide sheet 2 and a gland 3, wherein the waveguide sheet is in compression joint between the lens group shell and the gland, a reserved space is arranged between the bottom end of the waveguide sheet and the outer side end of the lens group shell, a multipoint contact supporting edge 5 is arranged on the outer side end of the lens group shell at the reserved space, the multipoint contact supporting edge is in multipoint contact with the bottom end of the waveguide sheet, and hollowed-out light transmission is reserved between multipoint contact supporting parts.
The multipoint contact supporting edge is a zigzag structure supporting edge. The lens group shell is provided with a convex strip 6 on two sides, the corresponding part of the gland is provided with a clamping groove, and the clamping groove is correspondingly matched and clamped with the convex strip. The lens group shell comprises an inner shell 7 and an outer shell 8, and the inner shell and the outer shell are connected in a clamping mode.
Example 2: as shown in fig. 6, the difference is that the multipoint contact supporting side in embodiment 2 is a wavy structural supporting side as compared with embodiment 1. The remainder was the same as in example 1.
The point contact waveguide sheet dustproof structure is characterized in that a multipoint contact supporting edge is arranged at the outer side end of the lens group shell at the reserved space, multipoint contact with the waveguide sheet is formed in a very small area, and other areas remain hollowed-out light transmission, so that imaging quality is guaranteed, meanwhile, fixed supporting strength is increased, and meanwhile, dust is prevented from entering in a large area.
The above-described embodiment is only a preferred embodiment of the present utility model, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (5)
1. The utility model provides a point contact waveguide piece dustproof construction, includes lens group casing, waveguide piece and gland, and the waveguide piece crimping sets up the reserve space between lens group casing and gland, waveguide piece bottom and lens group casing outside end junction, characterized by, be provided with the multipoint contact on the reserve space department lens group casing outside end and prop up the limit, the multipoint contact prop up limit and waveguide piece bottom multipoint contact support, remain fretwork printing opacity between the multipoint contact support position.
2. The dustproof structure of the point contact waveguide sheet according to claim 1, wherein the multipoint contact supporting edge is a zigzag structure supporting edge.
3. The dustproof structure of the point contact waveguide sheet according to claim 1, wherein the multipoint contact supporting edge is a wavy structure supporting edge.
4. The dustproof structure of the point contact waveguide sheet according to claim 1, wherein convex strips are arranged on two sides of the lens group shell, clamping grooves are arranged at corresponding positions of the pressing cover, and the clamping grooves are correspondingly matched and clamped with the convex strips.
5. The dustproof structure of the point contact waveguide chip according to claim 1, wherein the lens group housing comprises an inner housing and an outer housing, and the inner housing and the outer housing are connected in a clamping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270841.1U CN220543150U (en) | 2023-08-23 | 2023-08-23 | Point contact waveguide sheet dustproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270841.1U CN220543150U (en) | 2023-08-23 | 2023-08-23 | Point contact waveguide sheet dustproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543150U true CN220543150U (en) | 2024-02-27 |
Family
ID=89961490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322270841.1U Active CN220543150U (en) | 2023-08-23 | 2023-08-23 | Point contact waveguide sheet dustproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543150U (en) |
-
2023
- 2023-08-23 CN CN202322270841.1U patent/CN220543150U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |