JPH01128207U

JPH01128207U -

Info

Publication number: JPH01128207U
Application number: JP2111088U
Authority: JP
Priority date: 1988-02-22
Filing date: 1988-02-22
Publication date: 1989-09-01

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の概略構成図、第２
図は第１図における光素子の熱カシメの後の状態
図、第３図は熱カシメ工具の先端部を示し、同図
Ａは円弧状成形面の場合の断面図、同図Ｂはテー
パ状成形面の場合の断面図、第４図は光素子固定
部材を示し、同図Ａはほぼ全円周状に設けられた
１個のカシメしろの場合の平面図、同図Ｂは円弧
状に分割された複数個のカシメしろの場合の平面
図、第５図は本考案の他の実施例の概略構成図、
第６図は第５図の光素子固定部材の平面図、第７
図は同じく熱カシメ工具の平面図、第８図は同じ
く光素子の熱カシメの後の状態図、第９図は同じ
く機能説明図、第１０図はカルマン渦流量計の全
体構成図、第１１図は第１０図の振動子の平面図
、第１２図は渦検出部の側面断面図である。１６，１７：光素子、２２：耳部、３０，３０
Ａ：光素子固定部材、３１：光素子収納部、３２
：保持面、３３，３３Ａ：カシメしろ、３４：逃
げ部、４０，４０Ａ：熱カシメ工具、５０，５０
Ａ：光素子固定機構。 Figure 1 is a schematic diagram of an embodiment of the present invention;
The figure shows the state of the optical element after thermal caulking in Figure 1, Figure 3 shows the tip of the thermal caulking tool, Figure A is a cross-sectional view in the case of an arcuate molded surface, and Figure B shows a tapered shape. FIG. 4 is a cross-sectional view of the molded surface, and FIG. 4 shows the optical element fixing member. FIG. A plan view in the case of a plurality of divided caulking margins, FIG. 5 is a schematic configuration diagram of another embodiment of the present invention,
FIG. 6 is a plan view of the optical element fixing member shown in FIG.
The figure is a plan view of the thermal caulking tool, FIG. 8 is a state diagram of the optical element after thermal caulking, FIG. 9 is a function explanatory diagram, FIG. 10 is an overall configuration diagram of the Karman vortex flowmeter, and FIG. The figure is a plan view of the vibrator shown in FIG. 10, and FIG. 12 is a side sectional view of the vortex detection section. 16, 17: Optical element, 22: Ear part, 30, 30
A: Optical element fixing member, 31: Optical element housing part, 32
: Holding surface, 33, 33A: Caulking allowance, 34: Relief part, 40, 40A: Heat caulking tool, 50, 50
A: Optical element fixing mechanism.

Claims

[Scope of utility model registration request]

an optical element fixing member formed of a thermoformable material and having an optical element storage part for storing the optical element;
A holding surface for holding an ear portion provided on the optical element; and a holding surface that is integrally molded to the optical element fixing member so as to protrude around the holding surface and is thermoformed to hold the ear portion on the holding surface. An optical element fixing mechanism characterized by comprising a caulking margin that is fixed between the parts.