JPH055631Y2 - - Google Patents
Info
- Publication number
- JPH055631Y2 JPH055631Y2 JP17249584U JP17249584U JPH055631Y2 JP H055631 Y2 JPH055631 Y2 JP H055631Y2 JP 17249584 U JP17249584 U JP 17249584U JP 17249584 U JP17249584 U JP 17249584U JP H055631 Y2 JPH055631 Y2 JP H055631Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- transparent
- main body
- photoelectric switch
- body case
- 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.)
- Expired - Lifetime
Links
- 239000000853 adhesive Substances 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は光電スイツチにおける本体ケースの透
光部に接着される光制限部材の改良に関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an improvement of a light restricting member that is bonded to a transparent portion of a main body case of a photoelectric switch.
従来より、光電スイツチにおいては、本体ケー
スの例えば受光素子に対応する透光部の前面部
に、不透光部材に小透孔を形成してなる光制限部
材を接着し、検出光の光芒を制限するように構成
したものが供されている。このような従来の構成
によると、光電スイツチの使用現場において光制
限部材を必要に応じて本体ケースの透光部に接着
し得るという選択性を有する利点があるが、反
面、接着時に接着剤が小透孔部分にはみ出すこと
が多々あつて、これに塵埃等が付着して必要な光
の透過を阻害し性能の低下を来たす不具合があ
る。
Conventionally, in photoelectric switches, a light restricting member consisting of a small transparent hole formed in a non-transparent member is adhered to the front face of a light-transmitting part corresponding to the light-receiving element of the main body case, for example, to limit the beam of detection light. A configuration is provided to limit the Such a conventional configuration has the advantage of being selective in that the light limiting member can be adhered to the light-transmitting part of the main body case as necessary at the site where the photoelectric switch is used, but on the other hand, the adhesive is The light often protrudes into the small through-hole, and there is a problem in that dust and the like adhere thereto, obstructing the transmission of necessary light and causing a decline in performance.
このような不具合をなくすためには、光電スイ
ツチの製造時に光制限部材を本体ケース内に予め
組込んでおくことも考えられるが、これでは光電
スイツチの使用現場において光制限部材を必要に
応じて本体ケースに接着し得るという選択性が失
われる問題が生ずる。 In order to eliminate such problems, it is possible to incorporate the light limiting member into the main body case in advance when manufacturing the photoelectric switch, but this does not mean that the light limiting member can be installed as needed at the site where the photoelectric switch is used. A problem arises in that the selectivity of adhesion to the main body case is lost.
本考案は上記事情に鑑みてなされたもので、そ
の目的は、必要な光の透過を阻害することがなく
て、性能の低下を来たすことがなく、しかも、使
用現場においての選択性が失われることもない光
電スイツチの光制限部材を提供するにある。
The present invention was developed in view of the above circumstances, and its purpose is to prevent the transmission of necessary light from being obstructed, to prevent performance deterioration, and to avoid loss of selectivity in the field of use. To provide a light limiting member for a photoelectric switch that does not cause any problems.
本考案は、透光部材の一方の面部に透光領域を
残して不透光部を印刷して形成する構成に特徴を
有し、光電スイツチにおける本体ケースの透光部
の前面部に接着した時に接着剤が外部に露出する
ことを防止せんとするものである。
The present invention is characterized by a configuration in which a transparent area is left on one side of the light-transmitting member and a non-light-transparent area is printed. The purpose is to prevent the adhesive from being exposed to the outside.
以下本考案の第１の実施例につき第１図乃至第
３図に基づいて説明する。
A first embodiment of the present invention will be described below with reference to FIGS. 1 to 3.
１は光電スイツチの本体ケースであり、その内
部には受光素子２が配設されており、この受光素
子２と対応する本体ケース１の前面部３の部分に
は透光部４が形成されており、この透光部４は前
方側の円形状の凹部４ａと後方側のレンズ部４ｂ
とからなつている。尚、本体ケース１の前面部３
はアクリル樹脂等の透光性部材で形成されている
が、透光部４を除く裏面部には不透光性塗布材５
が塗布されている。 Reference numeral 1 denotes a main body case of the photoelectric switch, in which a light receiving element 2 is disposed, and a light transmitting part 4 is formed in the front part 3 of the main body case 1 corresponding to the light receiving element 2. This transparent part 4 has a circular concave part 4a on the front side and a lens part 4b on the rear side.
It is made up of. In addition, the front part 3 of the main body case 1
is made of a translucent material such as acrylic resin, but the back side excluding the translucent part 4 is coated with an opaque coating material 5.
is coated.
さて、６は光制限部材であり、以下これについ
て述べる。即ち、７は塩化ビニル、ポリプロピレ
ン等の透明な軟質樹脂からなる透光部材であり、
その一方の面部たる裏面部には小円形状の透光領
域８を残して不透光部９が印刷により形成されて
いる。そして、この光制限部材６は本体ケース１
における透光部４の前面部たる凹部４ａに嵌め込
まれてその裏面部に塗布された透光性を有する接
着剤１０によりレンズ部４ｂに接着されている。 Now, 6 is a light restricting member, which will be described below. That is, 7 is a transparent member made of transparent soft resin such as vinyl chloride or polypropylene;
A non-transparent part 9 is formed by printing on one side of the back surface, leaving a small circular transparent area 8. This light limiting member 6 is connected to the main body case 1.
The lens part 4b is bonded to the lens part 4b by a translucent adhesive 10 that is fitted into a recess 4a, which is the front part of the translucent part 4, and applied to the back surface thereof.
このような本実施例によれば、次のような効果
を得ることができる。即ち、透光部材７の表面部
に透光領域８を残して不透光部９を印刷すること
によつて光制限部材６を形成するようにしたの
で、裏面部に塗布される接着剤１０が外部に露出
することはないものであり、従つて、従来とは異
なり接着剤１０の部分に塵埃等が付着することは
全くなく、必要な光の透過を阻害して性能の低下
を来たすというようなことはないものであり、耐
環境性に優れたものとなる。又、光制限部材６は
本体ケース１における透光部４の凹部４ａ内に接
着されて使用されるので、光電スイツチの使用現
場において必要に応じて接着すればよく、従つ
て、使用、不使用の選択性が失われることがな
い。 According to this embodiment, the following effects can be obtained. That is, since the light restricting member 6 is formed by printing the non-transparent area 9 while leaving the transparent area 8 on the front surface of the transparent member 7, the adhesive 10 applied to the back surface is is not exposed to the outside, and therefore, unlike in the past, there is no possibility of dust or the like adhering to the adhesive 10, which would impede the transmission of necessary light and cause a decline in performance. This does not occur, and the product has excellent environmental resistance. Furthermore, since the light restricting member 6 is used by being glued into the recess 4a of the light-transmitting part 4 in the main body case 1, it can be glued as needed at the site where the photoelectric switch is used. selectivity is not lost.
第４図及び第５図は本考案の第２の実施例であ
り、前期実施例と同一部分には同一符号を付して
示し、以下異なる部分についてのみ説明する。 4 and 5 show a second embodiment of the present invention, and the same parts as in the previous embodiment are designated by the same reference numerals, and only the different parts will be explained below.
即ち、この第２の実施例においては、光電スイ
ツチの本体ケース１１内に受光素子２の他に投光
素子（図示せず）を備えている。本体ケース１１
の前面部１２は不透光性部材で形成されており、
その前面部１２の受光素子２と対応する部位には
透光部たる円形状の凹状部１３が形成されてお
り、該凹状部１３の奥壁には透孔１３ａが形成さ
れていて、この透孔１３ａにはレンズ１４が装着
されている。尚、本体ケース１１の前面部１２の
前記投光素子と対応する部位にも凹状部１３と同
様の透孔１５ａを有する凹状部１５が形成されて
いる。そして、前記凹条部１３には光制限部材６
が嵌め込まれ且つ接着剤１０により接着されてい
る。 That is, in this second embodiment, a light emitting element (not shown) is provided in addition to the light receiving element 2 within the main body case 11 of the photoelectric switch. Main body case 11
The front part 12 of is formed of a non-transparent material,
A circular concave portion 13 serving as a light-transmitting portion is formed in a portion of the front surface portion 12 corresponding to the light-receiving element 2, and a through hole 13a is formed in the back wall of the concave portion 13. A lens 14 is attached to the hole 13a. Note that a recessed portion 15 having a through hole 15a similar to the recessed portion 13 is also formed in a portion of the front portion 12 of the main body case 11 corresponding to the light projecting element. A light restricting member 6 is provided in the concave portion 13.
are fitted and bonded with adhesive 10.
尚、この第２の実施例においては、凹状部１５
にも光制限部材６と同様の光制限部材を嵌め込み
接着してもよい。 Note that in this second embodiment, the concave portion 15
A light restricting member similar to the light restricting member 6 may also be fitted and bonded thereto.
従つて、この第２の実施例によつても前記実施
例と同様の効果を得ることができる。 Therefore, this second embodiment can also provide the same effects as the previous embodiment.
尚、上記実施例では透光性を有する接着剤１０
を用いるようにしたが、光制限部材６の裏面部の
周囲部に塗布するようにすれば不透光性を有する
接着剤を用いることも可能である。 Incidentally, in the above embodiment, the adhesive 10 having translucency
However, it is also possible to use a non-transparent adhesive if it is applied to the periphery of the back surface of the light restricting member 6.
又、上記実施例では透光部材７の表面部に不透
光部９を印刷して光制限部材６を形成するように
したが、逆に透光部材の裏面部に透光領域を残し
て不透光部を印刷することにより光制限部材を形
成するようにしてもよい。 Further, in the above embodiment, the light-restricting member 6 was formed by printing the non-light-transmitting area 9 on the front surface of the light-transmitting member 7, but on the contrary, the light-transmitting area was left on the back surface of the light-transmitting member. The light restricting member may be formed by printing an opaque portion.
更に、上記実施例では光制限部材６を円形状に
し且つ透光領域８を小円形状にしたが、例えば光
制限部材を矩形状とし且つ透光領域をスリツト状
とするようにしてもよい。 Further, in the above embodiment, the light restricting member 6 is circular and the light transmitting region 8 is small circular, but the light restricting member 6 may be rectangular and the light transmitting region is slit shaped.
その他、本考案は上記し且つ図面に示す実施例
にのみ限定されるものではなく、要旨を逸脱しな
い範囲内で適宜変形して実施し得ることは勿論で
ある。 In addition, the present invention is not limited to the embodiments described above and shown in the drawings, but can of course be implemented with appropriate modifications within the scope of the gist.
本考案の光電スイツチの光制限部材は以上説明
したように、透光部材の一方の面部に透光領域を
残して不透光部を印刷して形成するようにしたの
で、光電スイツチの本体ケースにおける透光部の
前面部に接着した時に接着剤が外部に露出してこ
れに塵埃等が付着するというようなことがなく、
従つて、必要な光の透過を阻害することがなく
て、性能の低下を来たすことがなく、しかも、光
電スイツチの使用現場においての使用、不使用の
選択性が失われることがない等の実用上優れた効
果を奏するものである。
As explained above, the light-limiting member of the photoelectric switch of the present invention is formed by printing a non-transparent area while leaving a light-transmitting area on one side of the light-transmitting member. When adhesive is attached to the front surface of the translucent part, the adhesive will not be exposed to the outside and dust will not adhere to it.
Therefore, the transmission of necessary light is not obstructed, the performance is not deteriorated, and the selectivity of using or not using the photoelectric switch is not lost in the field where the photoelectric switch is used. It has excellent effects.
第１図乃至第３図は本考案の第１の実施例を示
し、第１図は光電スイツチの斜視図、第２図は要
部の拡大縦断面図、第３図は光制限部材の拡大斜
視図であり、第４図及び第５図は本考案の第２の
実施例を示す第１図及び第２図相当図である。
図面中、１は本体ケース、２は受光素子、３は
前面部、４は透光部、６は光制限部材、７は透光
部材、８は透光領域、９は不透光部、１０は接着
剤、１１は本体ケース、１３は凹状部（透光部）
を示す。
1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a perspective view of a photoelectric switch, FIG. 2 is an enlarged vertical sectional view of the main parts, and FIG. 3 is an enlarged view of a light limiting member. It is a perspective view, and FIGS. 4 and 5 are views corresponding to FIGS. 1 and 2 showing a second embodiment of the present invention. In the drawings, 1 is a main body case, 2 is a light receiving element, 3 is a front part, 4 is a transparent part, 6 is a light restricting member, 7 is a transparent member, 8 is a transparent area, 9 is a non-transparent part, 10 11 is the adhesive, 11 is the main body case, 13 is the concave part (transparent part)
shows.
Claims (1)
透光部を印刷して形成され、光電スイツチにお
ける本体ケースの透光部の前面部に接着される
ことを特徴とする光電スイツチの光制限部材。 ２ 不透光部は透光部材の表面部に印刷されてい
ることを特徴とする実用新案登録請求の範囲第
１項に記載の光電スイツチの光制限部材。[Claims for Utility Model Registration] 1. Formed by printing a non-transparent part while leaving a transparent area on one side of a transparent member, and adhered to the front side of the transparent part of the main body case of a photoelectric switch. A light limiting member for a photoelectric switch, characterized in that: 2. The light-limiting member for a photoelectric switch according to claim 1, wherein the non-light-transmitting portion is printed on the surface of the light-transmitting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17249584U JPH055631Y2 (en) | 1984-11-14 | 1984-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17249584U JPH055631Y2 (en) | 1984-11-14 | 1984-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6188341U JPS6188341U (en) | 1986-06-09 |
| JPH055631Y2 true JPH055631Y2 (en) | 1993-02-15 |
Family
ID=30730158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17249584U Expired - Lifetime JPH055631Y2 (en) | 1984-11-14 | 1984-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055631Y2 (en) |
-
1984
- 1984-11-14 JP JP17249584U patent/JPH055631Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6188341U (en) | 1986-06-09 |
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