JPS6334544U

JPS6334544U -

Info

Publication number: JPS6334544U
Application number: JP12933886U
Authority: JP
Priority date: 1986-08-25
Filing date: 1986-08-25
Publication date: 1988-03-05

Description

[Brief explanation of the drawing]

第１図乃至第６図は本考案の一実施例を示す図
であり、第１図は、超ロングノツクアウト装置の
縦断面図、第２図ａ，第３図ａ、第４図ａはそれ
ぞれインサイドスリーブの縦断面図、第２図ｂ，
第３図ｂ，第４図ｂはそれぞれ中間サポートの縦
断面図、第５図はスリーブの縦断面図、第６図は
、突き出し完了時における状態を示す超ロングノ
ツクアウト装置の縦断面図である。第７図及び第
８図は、従来例であり、第７図は、４つ割りの保
護レールを用いたノツクアウト装置の斜視図、第
８図は、中間サポートを用いたノツクアウト装置
の要部縦断面図である。１……ノツクアウトピン、１１……スリーブ、
１２，１３，１４……インサイドスリーブ、１５
，１６，１７……中間サポート、１８，１９……
ブツシユ、２２，２４，２６……外周段部、２３
，２５，２７……内周段部。 1 to 6 are diagrams showing one embodiment of the present invention, in which FIG. 1 is a vertical sectional view of an ultra-long knockout device, and FIGS. 2a, 3a, and 4a are FIG. 2b is a vertical cross-sectional view of the inside sleeve, respectively.
Figures 3b and 4b are longitudinal cross-sectional views of the intermediate support, Figure 5 is a vertical cross-sectional view of the sleeve, and Figure 6 is a vertical cross-sectional view of the ultra-long knockout device showing the state at the completion of ejection. be. Figures 7 and 8 show conventional examples; Figure 7 is a perspective view of a knock-out device using a quarter-divided protective rail, and Figure 8 is a longitudinal cross-section of the main part of a knock-out device using an intermediate support. It is a front view. 1...Knockout pin, 11...Sleeve,
12, 13, 14...Inside sleeve, 15
, 16, 17... Intermediate support, 18, 19...
Button, 22, 24, 26... Outer circumferential step, 23
, 25, 27... Inner circumferential stepped portion.

Claims

[Scope of utility model registration request]

A plurality of cylindrical inside sleeves each having an outer peripheral stepped portion at one end and an inner peripheral stepped portion at the other end are telescopically fitted together, and a knockout pin is attached to the end of each inside sleeve on the side where the outer peripheral stepped portion is provided. An ultra-long knockout device characterized in that an intermediate support provided with an insertion hole is fixed, and the telescopically fitted inside sleeve assembly is slidably inserted into the sleeve.