JPH03130577U - - Google Patents
Info
- Publication number
- JPH03130577U JPH03130577U JP3969190U JP3969190U JPH03130577U JP H03130577 U JPH03130577 U JP H03130577U JP 3969190 U JP3969190 U JP 3969190U JP 3969190 U JP3969190 U JP 3969190U JP H03130577 U JPH03130577 U JP H03130577U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens
- photoelectric sensor
- leakage prevention
- prevention structure
- 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.)
- Granted
Links
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の実施例を示す分解斜視図、第
２図は同上の要部断面図、第３図は同上の平面図
、第４図は同上の要部断面図、第５図は従来例を
示す正面図、第６図は従来例の問題点を示す正面
図である。
１……投光レンズ、２……受光レンズ、３……
連接体、４……投光素子、５……受光素子、６…
…回路基板、７……遮光体、７ｃ……遮光リブ、
８……レンズカバー。
Fig. 1 is an exploded perspective view showing an embodiment of the present invention, Fig. 2 is a sectional view of the main parts of the same, Fig. 3 is a plan view of the same, Fig. 4 is a sectional view of the main parts of the same, and Fig. 5 is a sectional view of the main parts of the same. FIG. 6 is a front view showing the conventional example, and FIG. 6 is a front view showing the problems of the conventional example. 1... Light emitting lens, 2... Light receiving lens, 3...
Connecting body, 4... Light emitting element, 5... Light receiving element, 6...
...Circuit board, 7... Light shielding body, 7c... Light shielding rib,
8...Lens cover.
Claims (1)
送出する投光レンズと、監視空間からの光を受光
素子に集光する受光レンズとを連接体を介して一
体に連結した光電センサ用レンズの漏光防止構造
において、連接体は中間部に屈曲部を有する形状
に形成され、投光レンズと受光レンズとの間から
投光素子と受光素子との間に至るまでの部位には
投光素子からの光を遮光する遮光体が配設されて
成る光電センサ用レンズの漏光防止構造。 (2) 投光素子および受光素子は回路基板に表面
実装されており、上記遮光体は回路基板に弾接す
る弾性部材により形成されて成る請求項１記載の
光電センサ用レンズの漏光防止構造。 (3) 投光レンズと受光レンズとに跨がる部位の
前方にはレンズカバーが配設され、上記遮光体に
は先端面がレンズカバーに当接するリブが突設さ
れて成る請求項１または請求項２に記載の光電セ
ンサ用レンズの漏光防止構造。[Scope of Claim for Utility Model Registration] (1) A light-emitting lens that transmits light from a light-emitting element and sends it out to a monitoring space, and a light-receiving lens that focuses light from the monitoring space onto a light-receiving element, in a connected body. In a structure for preventing light leakage of lenses for photoelectric sensors that are integrally connected through A light leakage prevention structure for a photoelectric sensor lens, which is provided with a light shielding body that blocks light from a light emitting element up to the part. (2) The light leakage prevention structure for a photoelectric sensor lens according to claim 1, wherein the light projecting element and the light receiving element are surface mounted on a circuit board, and the light shielding body is formed of an elastic member that comes into elastic contact with the circuit board. (3) A lens cover is disposed in front of a portion extending between the light emitting lens and the light receiving lens, and the light shielding body is provided with a protruding rib whose tip surface abuts the lens cover. The light leakage prevention structure of the lens for a photoelectric sensor according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3969190U JPH088468Y2 (en) | 1990-04-14 | 1990-04-14 | Light leakage prevention structure for photoelectric sensor lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3969190U JPH088468Y2 (en) | 1990-04-14 | 1990-04-14 | Light leakage prevention structure for photoelectric sensor lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03130577U true JPH03130577U (en) | 1991-12-27 |
| JPH088468Y2 JPH088468Y2 (en) | 1996-03-06 |
Family
ID=31548823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3969190U Expired - Lifetime JPH088468Y2 (en) | 1990-04-14 | 1990-04-14 | Light leakage prevention structure for photoelectric sensor lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH088468Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007274338A (en) * | 2006-03-31 | 2007-10-18 | Nikon Corp | Camera and camera system |
| JP2008280062A (en) * | 2007-05-09 | 2008-11-20 | Jsp Corp | Glass substrate transport box and glass substrate transport package |
| JP2011043433A (en) * | 2009-08-21 | 2011-03-03 | Sharp Corp | Optical ranging sensor, and electronic device loaded therewith |
-
1990
- 1990-04-14 JP JP3969190U patent/JPH088468Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007274338A (en) * | 2006-03-31 | 2007-10-18 | Nikon Corp | Camera and camera system |
| JP2008280062A (en) * | 2007-05-09 | 2008-11-20 | Jsp Corp | Glass substrate transport box and glass substrate transport package |
| JP2011043433A (en) * | 2009-08-21 | 2011-03-03 | Sharp Corp | Optical ranging sensor, and electronic device loaded therewith |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH088468Y2 (en) | 1996-03-06 |