JPH0186661U

JPH0186661U -

Info

Publication number: JPH0186661U
Application number: JP18093187U
Authority: JP
Priority date: 1987-11-30
Filing date: 1987-11-30
Publication date: 1989-06-08
Also published as: JPH0454281Y2

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の実施例を示し、第１
図は不正解錠防止装置の第１実施例を示す縦断面
図、第２図は同上の第２実施例を示す縦断面図、
第３図は同上の第３実施例を示す縦断面図、第４
図は同上の第４実施例を示す縦断面図、第５図は
用心錠を備えた扉の端面の部分正面図、第６図は
箱錠の本解錠及び用心杆解錠状態を示す縦断面図
、第７図は箱錠の本解錠及び用心杆施錠状態を示
す縦断面図、第８図は箱錠の本施錠及び用心杆施
錠状態を示す縦断面図である。Ａ……箱錠、Ｂ……ストライク、Ｄ……扉、１
，２……フロント、４……ケース、５……ハブ、
７……摺動板、８……係合片、１７……デツドボ
ルト、１９……用心杆、２２……ジヨイントピン
、２２ａ……鍔部、２３……受孔、２４……縦長
孔、２６……サムターン、２７……インサイドボ
デイ、２９……サムターン軸、３０……角孔、３
４……ばね、３５……鋼球、３７……係合孔、３
８……ばね、３９，４９，５８，６２……ロツク
ピン、４３……Ｌ字形レバー、４７，５２，６０
……操作棒。 1 to 4 show embodiments of the present invention.
The figure is a longitudinal sectional view showing a first embodiment of the unauthorized unlocking prevention device, and FIG. 2 is a longitudinal sectional view showing the second embodiment of the same as above.
FIG. 3 is a vertical sectional view showing the third embodiment of the same as above, and FIG.
The figure is a longitudinal sectional view showing the fourth embodiment of the same as above, Fig. 5 is a partial front view of the end face of the door equipped with the guard lock, and Fig. 6 is a longitudinal sectional view showing the fully unlocked state of the box lock and the guard lever unlocked state. FIG. 7 is a longitudinal sectional view showing the box lock in the fully unlocked state and the guard lever locked state, and FIG. 8 is a longitudinal sectional view showing the box lock in the fully locked state and the guard lever locked state. A...Box lock, B...Strike, D...Door, 1
, 2...Front, 4...Case, 5...Hub,
7... Sliding plate, 8... Engaging piece, 17... Dead bolt, 19... Guard rod, 22... Joint pin, 22a... Flange, 23... Receiving hole, 24... Vertical hole, 26... ...Thumb turn, 27...Inside body, 29...Thumb turn shaft, 30...Square hole, 3
4...Spring, 35...Steel ball, 37...Engagement hole, 3
8... Spring, 39, 49, 58, 62... Lock pin, 43... L-shaped lever, 47, 52, 60
...Operation stick.

Claims

[Scope of utility model registration request]

a case disposed inside the end of the door; a hub that is loosely fitted into the case and rotates together with the thumbturn shaft by manual operation of the thumbturn on the indoor side; and a guard rod that protrudes and retracts from the case as the hub rotates; The frame side has a receiving hole and a strike forming a vertical hole connected to the receiving hole, and when the guarding rod protrudes from the case, the joint pin provided on the guarding rod fits into the receiving hole. In the security lock, an engagement hole is provided in the thumb turn shaft, and a lock pin is slidably provided in the door and whose tip fits into the engagement hole by a biasing force, and one end of the door protruding toward the indoor side is pushed. A device for preventing unauthorized unlocking of a security lock, comprising a lock release means whose other end moves the lock pin in a direction in which the lock pin is disengaged from the engagement hole when the lock pin is unlocked.