JPH041970U

JPH041970U -

Info

Publication number: JPH041970U
Application number: JP4225790U
Authority: JP
Priority date: 1990-04-20
Filing date: 1990-04-20
Publication date: 1992-01-09
Anticipated expiration: 2004-11-30
Also published as: JPH0647104Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例に係わる落し棒の
がたつき防止構造を備えた落し錠を取り付けた門
扉を示す外観図、第２図はこの考案の前記実施例
における上部ガイドの形状を示す斜視図、第３図
ａおよびｂは前記実施例における下部ガイドの形
状を示すそれぞれ上面図および正面図、第４図ａ
およびｂは同じく前記実施例において用いるナツ
ト部材の形状を示すそれぞれ上面図および正面図
、第５図および第６図は第１図に示した門扉の落
し錠取り付け部分におけるそれぞれ縦断面図およ
び横断面図、第７図は第５図の下部ガイド取り付
け部分の拡大図、第８図は前記実施例に係わる落
し錠を取り付けた他の門扉を示す外観図、第９図
は第８図に示した門扉の落し錠取り付け部分にお
ける横断面図、第１０図は第８図の下部ガイド取
り付け部分の拡大断面図、第１１図は従来の落し
錠を取り付けた門扉を示す外観図、第１２図およ
び第１３図は第１１図にした門扉における落し錠
取り付け部分のそれぞれ縦断面図および横断面図
である。１……落し錠、２……落し棒、２ａ……傾斜面
、３……上部ガイド、４……下部ガイド、４ａ…
…おねじ部、４ｂ……落し棒挿通孔、４ｃ……凸
条部、７ａ，９ａ……下部ガイド取付孔。 Fig. 1 is an external view of a gate equipped with a drop lock having a structure to prevent rattling of the drop bar according to an embodiment of this invention, and Fig. 2 shows the shape of the upper guide in the above embodiment of this invention. FIGS. 3a and 3b are a top view and a front view, respectively, showing the shape of the lower guide in the embodiment, and FIG. 4a is a perspective view.
and b are a top view and a front view, respectively, showing the shape of the nut member used in the above embodiment, and FIGS. 5 and 6 are a longitudinal sectional view and a transverse sectional view, respectively, of the lock attachment part of the gate shown in FIG. 1. Figure 7 is an enlarged view of the lower guide attachment part in Figure 5, Figure 8 is an external view showing another gate with a lock according to the above embodiment, and Figure 9 is the same as shown in Figure 8. Fig. 10 is an enlarged sectional view of the lower guide mounting part of Fig. 8, Fig. 11 is an external view of a gate with a conventional lock installed, Fig. 12 and FIG. 13 is a longitudinal sectional view and a cross sectional view, respectively, of the lock attachment portion of the gate shown in FIG. 11. 1... Drop lock, 2... Drop bar, 2a... Inclined surface, 3... Upper guide, 4... Lower guide, 4a...
...Male thread portion, 4b...Drop rod insertion hole, 4c...Convex strip portion, 7a, 9a...Lower guide mounting hole.

Claims

[Scope of utility model registration request]

a drop bar, an upper guide that is attached to the door and guides the vertical movement of the drop bar, and an inner diameter that is attached below the upper guide at a predetermined interval and has an inner diameter that is approximately the same as the outer diameter of the drop bar. and a lower guide provided with a drop bar insertion hole that penetrates in the vertical direction, the lower guide is provided with a male threaded part, and the drop bar insertion hole passes through the male thread part in the axial direction. The lower guide is attached by screwing a nut member onto the male thread of the hollow bolt-shaped lower guide attachment hole provided at the lower end of the door. A plurality of protrusions are provided on the inner peripheral surface along the axial direction, and an inclined surface is provided at least one of the upper end of the drop bar insertion hole and the lower end of the drop bar, each having a funnel-like or pointed shape. A rattling-preventing structure for the drop bar.