JPH032170U

JPH032170U -

Info

Publication number: JPH032170U
Application number: JP6239889U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-10

Description

[Brief explanation of drawings]

第１図〜第９図は本考案の実施例を示し、第１
図は錠ケースの蓋を取り除いたドア錠の正面図、
第２図はドア錠に使用される部品の斜視図、第３
図イ〜ハはドア錠の作動説明用の要部正面図、第
４図はラツチヘツドユニツトの縦断面図、第５図
は第４図のＹ−Ｙ断面図、第６図はラツチヘツド
ユニツトの平面図、第７図は第６図のＺ矢視図、
第８図はラツチヘツドが回動した状態を示す縦断
面図、第９図はラツチヘツドユニツトを構成する
部品の斜視図、第１０図は従来のラツチヘツドユ
ニツトの縦断面図、第１１図は第１０図の平面図
、第１２図は第１１図のＸ矢視図、第１３図は同
上のラツチヘツドユニツトを用いた従来のラツチ
錠の一部破断正面図である。１_１……ラツチヘツドユニツト、２０……ラツ
チケース、２３……ガイドプレート、２６……ラ
ツチホルダー、３０……ラツチヘツド、３３……
係止面、３６……係合凹部、４５……レバー、４
８……腕、４９……係合部、５１……錠ケース、
５６……ピン、６３……スライダー、６３ｄ……
被押動部、６６……ピン、６７……ガイドピン、
６８……スライダー、７１……第一スライダー、
７２……ジヨイントアーム、７６……スライダー
、７６……被押動部、８２……ピン、８３……ス
ライダー、８９……第二スライダー、９１……斜
めの長孔、９２……第一プツシユプレート、９２
ａ……押動面、９４……斜めの長孔、９５……第
二プツシユプレート、９５ａ……押動面、９６…
…ピン、９７……支軸、９８……ばね。 1 to 9 show embodiments of the present invention.
The figure is a front view of the door lock with the lock case lid removed.
Figure 2 is a perspective view of parts used in door locks;
Figures A to C are front views of essential parts for explaining the operation of the door lock, Figure 4 is a vertical sectional view of the latch head unit, Figure 5 is a YY sectional view of Figure 4, and Figure 6 is the latch head unit. The plan view of FIG. 7 is the Z arrow view of FIG. 6,
FIG. 8 is a longitudinal cross-sectional view showing the latch head in a rotated state, FIG. 9 is a perspective view of parts constituting the latch head unit, FIG. 10 is a longitudinal cross-sectional view of a conventional latch head unit, and FIG. 10 is a plan view, FIG. 12 is a view taken along the X arrow in FIG. 11, and FIG. 13 is a partially cutaway front view of a conventional latch lock using the same latch head unit. 1 ₁ ... Latch head unit, 20... Latch case, 23... Guide plate, 26... Latch holder, 30... Latch head, 33...
Locking surface, 36... Engagement recess, 45... Lever, 4
8... Arm, 49... Engaging portion, 51... Lock case,
56...Pin, 63...Slider, 63d...
Pushed part, 66... pin, 67... guide pin,
68...Slider, 71...First slider,
72...Joint arm, 76...Slider, 76...Pushed part, 82...Pin, 83...Slider, 89...Second slider, 91...Oblique long hole, 92...First Push plate, 92
a...Pushing surface, 94...Oblique elongated hole, 95...Second push plate, 95a...Pushing surface, 96...
...Pin, 97...Spindle, 98...Spring.

Claims

[Scope of utility model registration request]

A latch head that is retractable and reversible from the tip inside the latch case, an engaging portion that engages with the latch head to prevent the latch from being reversed, and an arm that protrudes from the rear end of the latch case rotates to connect the latch head to the latch case. A latch head unit having a lever for releasing the engagement of the joint is fixed in a lock case provided at the end of the door, and is slidably provided in the lock case and is used for inserting the tip of the door handle. a first slider having a pushed portion adjacent to one side of the hole and biased in the direction of the insertion hole; an intermediate portion pivotally connected to the lock case and one end pivotally connected to the first slider; The joint arm has a guide pin at the other end, and a pushed part that is slidably provided in the lock case and is close to the other side of the insertion hole, and is biased in the direction of the insertion hole. , a second slider having a vertically elongated hole that loosely fits into the pin, and a pushing surface having one side pivotally connected to a support shaft installed in the lock case and the other side being close to the arm of the latch head unit, and the pushing surface. a first push plate having a long hole having an angle of inclination with respect to the moving surface and into which the pin is loosely fitted;
When one side is pivoted to the support shaft and the other side is fixed upside down, the latch head unit has a pushing surface close to the arm and a long hole having an inclination angle with respect to the pushing surface. 1. A door lock comprising: a second push plate having a second push plate into which the pin is loosely fitted into the elongated hole.