JPH02128361U

JPH02128361U -

Info

Publication number: JPH02128361U
Application number: JP3569889U
Authority: JP
Priority date: 1989-03-29
Filing date: 1989-03-29
Publication date: 1990-10-23

Description

[Brief explanation of drawings]

第１図は本考案にかかる管球の要部平面図、第
２図は第１図の要部側面図、第３図は口金の下座
の拡大平面図、第４図は第３図のＡ方向矢視図、
第５図は第３図はのＢ方向矢視図、第６図は口金
の上座の拡大平面図、第７図は第６図のＣ方向矢
視図である。１……管球、２……封着部、３……口金、４…
…引出線、５……導入線、６……下座、７……上
座、８……底板、９……舌片、１０……位置決め
用切欠、１１ａ，１１ｂ……挟持片、１２ａ，１
２ｂ……折曲用突片、１３ａ，１３ｂ……受け部
、１４ａ，１４ｂ……取付孔、１５……挾着部、
１６……突部、１７……位置決め用小孔、１８ａ
，１８ｂ……細孔、１９……放熱用開口、２０…
…導入線固定舌片、２１……凸起。 Fig. 1 is a plan view of the main parts of the tube according to the present invention, Fig. 2 is a side view of the main parts of Fig. 1, Fig. 3 is an enlarged plan view of the base of the base, and Fig. 4 is the same as Fig. 3. A direction arrow view,
5 is a view taken in the direction of arrow B in FIG. 3, FIG. 6 is an enlarged plan view of the upper seat of the base, and FIG. 7 is a view taken in the direction of arrow C in FIG. 6. 1...Tube, 2...Sealing part, 3...Cap, 4...
... Leader line, 5 ... Leading line, 6 ... Lower seat, 7 ... Upper seat, 8 ... Bottom plate, 9 ... Tongue piece, 10 ... Positioning notch, 11a, 11b ... Clamping piece, 12a, 1
2b...Bending piece, 13a, 13b...Receiving part, 14a, 14b...Mounting hole, 15...Holding part,
16...Protrusion, 17...Positioning hole, 18a
, 18b... Pore, 19... Heat radiation opening, 20...
...Introduction wire fixing tongue piece, 21...Convex projection.

Claims

[Scope of utility model registration request]

A cap is attached to a flat sealing part at the end of the glass tube, and a clamping part for clamping a lead-in wire connected to a lead-out wire led out from the sealing part is provided at the tip of the cap. In the tube, the cap is divided into two parts, a lower seat and an upper seat, and the lower seat has at least a tongue piece having a positioning notch formed floating above the bottom plate, and a clamping piece projecting inward from both side walls of the bottom plate. The upper seat has a convex portion having a small positioning hole projecting downward in the center thereof, the sealing portion is elastically supported between the clamping pieces of the lower seat, and the tongue of the lower seat is The protrusions on the upper and lower surfaces of the sealing part are respectively engaged with the positioning notches of the pieces and the small positioning holes of the convex part of the upper seat, and the sealing part is pressed from above and below by the tongue piece and the convex part. A tube, characterized in that a cap is attached to the sealing portion by supporting it.