JP6196426B2

JP6196426B2 - Door lock

Info

Publication number: JP6196426B2
Application number: JP2012125232A
Authority: JP
Inventors: 幹雄堀; 哲也堤; 浩仙佐藤
Original assignee: Goal Co Ltd
Current assignee: Goal Co Ltd
Priority date: 2012-05-31
Filing date: 2012-05-31
Publication date: 2017-09-13
Anticipated expiration: 2032-05-31
Also published as: JP2013249644A

Description

本発明は、火災が発生した場合、扉が熱で変形し、それにより生じた隙間から炎や煙が外部に拡散することを防ぐようにした扉錠に関するものである。 The present invention relates to a door lock that prevents a door from being deformed by heat and preventing flames and smoke from diffusing to the outside through a gap caused by a fire.

従来の扉錠は、例えば実開昭６０−９０３６７号公報（以下、特許文献１という。）に示されているように、扉の中央部に取り付けられた１個の錠により、扉の中央部のみが施錠されていた。 As shown in Japanese Utility Model Laid-Open No. 60-90367 (hereinafter referred to as Patent Document 1), a conventional door lock is formed by a single lock attached to the central portion of the door. Only was locked.

実開昭６０−９０３６７号公報Japanese Utility Model Publication No. 60-90367

しかしながら、上記特許文献１に記載の扉錠では火災が発生した場合、扉の中央部は扉錠で施錠されているので熱による扉の変形は防止できるが、上端部と下端部が変形して扉に反りが生じる。そのため、扉の上端部と下端部の隙間から炎や煙が外部に拡散し、延焼の原因となった。 However, in the case of a fire in the door lock described in Patent Document 1, the center portion of the door is locked with the door lock, so that deformation of the door due to heat can be prevented, but the upper end portion and the lower end portion are deformed. The door is warped. Therefore, flames and smoke diffused outside through the gap between the upper and lower ends of the door, causing fire spread.

また、上記特許文献１以外で、扉の中央部と上端部および下端部の３箇所を施錠する“三点締り錠”といわれる扉錠が提案されているが、これは防犯性の向上を目的とするもので、少なくとも上，下の錠は本締り錠であり、閉扉と同時に上，下の錠は同時に施錠されるものではなかった。そのため、閉扉状態であっても、上，下の錠が施錠されていない状態で火災が発生した場合、特許文献１の扉錠と同様に扉に反りが生じ、延焼を防ぐことはできなかった。 In addition to Patent Document 1, a door lock called “three-point lock” that locks the central portion, the upper end portion, and the lower end portion of the door has been proposed. This is intended to improve crime prevention. At least the upper and lower locks were final locks, and the upper and lower locks were not locked at the same time as the doors were closed. Therefore, even when the door is closed, when a fire occurs when the upper and lower locks are not locked, the door is warped in the same manner as the door lock of Patent Document 1, and it has not been possible to prevent the spread of fire. .

本発明は、上記事情に鑑みてなされたものであり、閉扉時は扉の中央部と上端部か下端部との２箇所または両端部との３箇所が同時にラッチ錠で施錠され、火災発生時に熱による扉の変形を防止し、延焼を確実に防止できるようにした扉錠の提供を目的とする。 The present invention has been made in view of the above circumstances, and at the time of closing the door, the central portion of the door and the two locations of the upper end portion or the lower end portion or three portions of the both end portions are simultaneously locked with a latch lock, and when a fire occurs An object of the present invention is to provide a door lock that prevents deformation of the door due to heat and reliably prevents fire spread.

本発明は、前記課題を解決するためになされたものであり、請求項１に記載の発明は、一端を丁番などにより回動自在に枢支された扉の開放端側の中央部に取り付けた、ハンドルの回動操作により解錠するラッチを有する主錠と、前記扉の上端部と下端部のいずれか一方または両方に取り付けたラッチ錠と、前記主錠とラッチ錠とを連結した連動部材と、前記ハンドルの回動操作に連動して主錠及びラッチ錠のラッチを後退させるラッチ作動機構とを備え、閉扉時は前記主錠のラッチとラッチ錠のラッチとで同時に施錠するように設けられており、開扉時には、主錠のハンドルの回動操作によって前記主錠のラッチを解錠すると共に、前記連動部材及びラッチ作動機構を介して前記ラッチ錠のラッチを同時に解錠して開扉できるように構成してある扉錠において、
前記連動部材は、長尺状に形成され、扉の開口部内で、主錠又はラッチ錠のケースの側面部と、フロントのＬ字状に折り曲げた折曲片との間に嵌装されて、上下方向に摺動自在に設けられており、
前記主錠のラッチ作動機構は、主錠のケースに内装された、カムと作動部材とで構成され、
カムは、回動中心にハンドルの先端部を枢着すると共に、ラッチのラッチ柄に設けた作動部に当接する先端部と、作動部材を作動させるための作動部とが形成されており、
作動部材は、前記カムよりも主錠のフロント側に配置され、その作動部材の前記カムに対面する側には前記カムの作動部が係合される係合部が形成され、カムの時計方向の回動により作動部が作動部材の係合部を押動して作動部材を上動可能としてあり、
さらに、ラッチ錠のラッチ作動機構は、ラッチ錠のケースに内装された、第１カムと第２カムとからなるカムと、作動部材とで構成され、
前記カムを構成する第１カムと第２カムとは、ケースに枢軸を支点に回動自在に枢支されており、第１カムに形成した係合片が第２カムに形成した係合凹部に係合し、互いに一体的に回動可能としてあり、第１カムにはラッチのラッチ柄に設けた作動部に当接する先端部が、第２カムには作動部材の切欠部に形成した係合部に係合する先端部が設けてあると共に、第１カムと第２カムとの間にはバネが設けてあり、
作動部材は、前記カムよりもラッチ錠のフロント側に配置され、その作動部材の前記カムに対面する側には前記第２カムの先端部が係合される係合部が形成されており、上、下の連動部材の上動により、そのラッチ錠の作動部材が上動し、該作動部材に係合する第２カム及び第１カムを時計方向に回動し、第１カムの先端部がラッチを後退させラッチ錠が解錠可能にしてあることを特徴とする扉錠である。 The present invention has been made to solve the above problems, and the invention according to claim 1 is attached to a central portion on the open end side of a door pivotally supported by a hinge or the like. In addition, a main lock having a latch that is unlocked by a turning operation of the handle, a latch lock that is attached to one or both of the upper end portion and the lower end portion of the door, and an interlock that connects the main lock and the latch lock. And a latch actuating mechanism for retracting the main lock and the latch lock in conjunction with the turning operation of the handle, and when the door is closed, the main lock latch and the latch lock latch are simultaneously locked. When the door is opened, the latch of the main lock is unlocked by rotating the handle of the main lock, and the latch of the latch lock is simultaneously unlocked via the interlocking member and the latch operating mechanism. Configured to open the door. In the door lock
The interlocking member is formed in a long shape, and is fitted between the side portion of the case of the main lock or the latch lock and the bent piece bent into the front L-shape in the opening of the door, It is slidable in the vertical direction,
The latch operating mechanism of the main lock is composed of a cam and an operating member, which are housed in the case of the main lock,
The cam pivotally attaches the front end of the handle to the center of rotation, and is formed with a front end that contacts the operating portion provided on the latch handle of the latch, and an operating portion for operating the operating member.
The actuating member is disposed on the front side of the main lock with respect to the cam, and an engaging portion with which the actuating portion of the cam is engaged is formed on the side of the actuating member facing the cam. The actuating part pushes the engaging part of the actuating member by rotating the actuating member, and the actuating member can be moved upward.
Furthermore, the latch operation mechanism of the latch lock is configured by a cam composed of a first cam and a second cam, and an operation member, which are housed in the case of the latch lock.
The first cam and the second cam constituting the cam are pivotally supported by the case so as to be rotatable about a pivot, and an engagement recess formed on the second cam by an engagement piece formed on the first cam. The first cam has a tip that contacts the operating portion provided on the latch handle of the latch, and the second cam has a notch formed on the operating member. A tip portion that engages with the joint portion is provided, and a spring is provided between the first cam and the second cam,
The actuating member is disposed on the front side of the latch lock from the cam, and an engaging portion is formed on the side of the actuating member facing the cam to be engaged with the tip of the second cam. When the upper and lower interlocking members are moved upward, the operating member of the latch lock is moved upward, and the second cam and the first cam engaged with the operating member are rotated in the clockwise direction. Is a door lock characterized in that the latch is retracted and the latch lock can be unlocked.

請求項２に記載の発明は、一端を丁番などにより回動自在に枢支された扉の開放端側の中央部に取り付けた、ハンドルの回動操作により解錠するラッチを有する主錠と、前記扉の上端部と下端部のいずれか一方または両方に取り付けた反転式のラッチからなるラッチ錠と、前記主錠とラッチ錠とを連結した連動部材と、前記ハンドルの回動操作に連動して主錠及びラッチ錠のラッチを後退させるラッチ作動機構とを備え、閉扉時は前記主錠のラッチとラッチ錠のラッチとで同時に施錠するように設けられており、開扉時には、主錠のハンドルの回動操作によって前記主錠のラッチを解錠すると共に、前記連動部材及びラッチ作動機構を介して前記ラッチ錠のラッチを同時に解錠して開扉できるように構成してある扉錠において、
前記連動部材は、長尺状に形成され、扉の開口部内で、主錠又はラッチ錠のケースの側面部と、フロントのＬ字状に折り曲げた折曲片との間に嵌装されて、上下方向に摺動自在に設けられており、
前記主錠のラッチ作動機構は、主錠のケースに内装された、カムと作動部材とで構成され、
カムは、回動中心にハンドルの先端部を枢着すると共に、ラッチのラッチ柄に設けた作動部に当接する先端部と、作動部材を作動させるための作動部とが形成されており、
作動部材は、前記カムよりも主錠のフロント側に配置され、その作動部材の前記カムに対面する側には前記カムの作動部が係合される係合部が形成され、カムの時計方向の回動により作動部が作動部材の係合部を押動して作動部材を上動可能としてあり、
さらに、このラッチ錠のラッチ作動機構は、ラッチ錠のケースに内装されて上下方向に摺動自在に設けられた作動部材で構成され、
該作動部材には施錠部が形成されており、この施錠部が常時はラッチの突起部に係合してラッチの反転を阻止する施錠状態に保持されている一方、
主錠のハンドルをラッチが後退する方向に回動することにより、ラッチ作動機構である作動部材の上動を介して上、下の連動部材を上動し、それぞれに連結されているラッチ錠の作動部材が上動し、前記施錠部とラッチの突起部との係合が解除されてラッチの反転が可能となり、ラッチは施錠状態から解錠状態に反転してケース内に後退し、ラッチ錠が解錠可能にしてあることを特徴とする扉錠である。 The invention according to claim 2 is a main lock having a latch which is attached to a central portion on an open end side of a door pivotally supported by a hinge or the like and is unlocked by a handle turning operation. , A latch lock composed of a reversible latch attached to one or both of the upper end portion and the lower end portion of the door, an interlocking member connecting the main lock and the latch lock, and interlocking with the turning operation of the handle And a latch operating mechanism for retracting the latch of the main lock and the latch lock, and is provided so that the main lock latch and the latch lock latch are simultaneously locked when the door is closed, and when the door is opened, the main lock is provided. A door lock configured to unlock the latch of the main lock by rotating the handle of the handle, and simultaneously unlock the latch of the latch lock via the interlocking member and the latch operating mechanism. In
The interlocking member is formed in a long shape, and is fitted between the side portion of the case of the main lock or the latch lock and the bent piece bent into the front L-shape in the opening of the door, It is slidable in the vertical direction,
The latch operating mechanism of the main lock is composed of a cam and an operating member, which are housed in the case of the main lock,
The cam pivotally attaches the front end of the handle to the center of rotation, and is formed with a front end that contacts the operating portion provided on the latch handle of the latch, and an operating portion for operating the operating member.
The actuating member is disposed on the front side of the main lock with respect to the cam, and an engaging portion with which the actuating portion of the cam is engaged is formed on the side of the actuating member facing the cam. The actuating part pushes the engaging part of the actuating member by rotating the actuating member, and the actuating member can be moved upward.
Furthermore, the latch operating mechanism of the latch lock is configured by an operating member provided in the latch lock case and slidable in the vertical direction.
The operating member is formed with a locking portion, and this locking portion is normally held in a locked state that engages with the protrusion of the latch to prevent the latch from being reversed,
By rotating the handle of the main lock in the direction in which the latch moves backward, the upper and lower interlocking members are moved upward through the upward movement of the operation member that is the latch operation mechanism, and the latch locks connected to each of them are moved. The actuating member moves upward, the engagement between the locking portion and the protrusion of the latch is released, and the latch can be reversed. The latch is reversed from the locked state to the unlocked state and retracted into the case. Is a door lock characterized in that it can be unlocked.

請求項３に記載の発明は、連動部材は、扉の開口部内で、主錠およびラッチ錠のケースのフロントと扉の縦部材の間に、上下方向に摺動自在に設けてある請求項１に記載の扉錠である。 According to a third aspect of the present invention, the interlocking member is slidable in the vertical direction between the front of the case of the main lock and the latch lock and the vertical member of the door in the opening of the door. It is a door lock as described in.

請求項４に記載の発明は、前記主錠は、ラッチと本締用のデッドボルトとを有することを特徴とする請求項１から請求項３までのいずれかに記載の扉錠である。 The invention according to claim 4 is the door lock according to any one of claims 1 to 3, wherein the main lock includes a latch and a dead bolt for final tightening.

本発明の扉錠によれば、閉扉時には扉の中央部と扉の上端部か下端部との２箇所、またはその両方との３箇所がラッチ錠で自動的に同時に施錠されるので、火災発生の場合、熱による扉の変形を確実に防ぐことができ、延焼を防ぐことができる。また、解錠操作は、中央部のラッチ錠をハンドル操作によって解錠すると、連動部材を介して上端部か下端部またはその両方のラッチ錠も同時に解錠できるので、通常の扉錠として使用する時に便利である。 According to the door lock of the present invention, at the time of closing the door, the central portion of the door and the two locations of the upper end portion or the lower end portion of the door, or both of them are automatically locked simultaneously with the latch lock, so that a fire occurs. In this case, the door can be reliably prevented from being deformed by heat, and the spread of fire can be prevented. Also, the unlocking operation can be used as a normal door lock because the latch lock at the upper end and / or the lower end can be unlocked simultaneously via the interlocking member when the latch at the center is unlocked by the handle operation. Sometimes convenient.

また、本発明の第１および第２実施例の扉錠では、主錠と上端部と下端部のいずれか一方または両方に取り付けたラッチ錠とを連結する連動部材は、錠のケースの前方部であって、扉の開放端側の開口部内で、主錠又はラッチ錠のケースの側面部と、フロントのＬ字状に折り曲げた折曲片との間に嵌装されて、上下方向に摺動自在に設けてあるので、連動部材を主錠とラッチ錠に連結させる作業が簡単であると共に、使用中のメンテナンスも容易である。 In the door lock of the first and second embodiments of the present invention, the interlocking member that connects the main lock and the latch lock attached to either one or both of the upper end and the lower end is a front portion of the lock case. In the opening on the open end side of the door, it is fitted between the side surface portion of the case of the main lock or latch lock and the bent piece bent into the L shape of the front, and is slid vertically. Since it is movably provided, it is easy to connect the interlocking member to the main lock and the latch lock, and maintenance during use is also easy.

請求項４に記載の扉錠によれば、主錠にはラッチ錠のラッチのほかに本締用のデッドボルトを有しているので、この主錠で防犯性も確保できる。 According to the door lock of the fourth aspect, since the main lock has the dead bolt for final tightening in addition to the latch of the latch lock, the main lock can also secure crime prevention.

本発明の扉錠の第１および第２実施例の使用状態を示す、室外側から見た正面図である。It is the front view seen from the outdoor side which shows the use condition of the 1st and 2nd Example of the door lock of this invention. 前記図１（ａ）の扉の開口部側から見た左側面図である。It is the left view seen from the opening part side of the door of the said Fig.1 (a). 図１の中央部の主錠のケース内部を示す正面図である。It is a front view which shows the case inside of the main lock of the center part of FIG. 図２の要部横断平面図である。It is a principal part cross-sectional top view of FIG. 図１（ａ）の扉の上端部と下端部のラッチ錠のケース内部の縦断正面図である。It is a vertical front view inside the case of the latch lock of the upper end part and lower end part of the door of Fig.1 (a). 図４（ａ）の下端部のラッチ錠の横断平面図である。It is a cross-sectional top view of the latch lock of the lower end part of Fig.4 (a). 図２の主錠のハンドルを操作して、解錠した状態を示す正面図である。It is a front view which shows the state which operated the handle | steering-wheel of the main lock of FIG. 2, and was unlocked. 図２の主錠の要部縦断側面図である。It is a principal part vertical side view of the main lock of FIG. 図５の主錠の要部縦断側面図である。It is a principal part vertical side view of the main lock of FIG. 図５に示す、主錠を解錠した時に連動して解錠された上端部と下端部のラッチ錠を示す縦断正面図である。It is a longitudinal front view which shows the latch lock of the upper end part and lower end part which were unlocked in conjunction with the main lock shown in FIG. 図８の要部縦断側面図である。It is a principal part vertical side view of FIG. 本発明の扉錠の第２実施例を示すもので、扉の上端部と下端部のラッチ錠が反転式のラッチを使用した場合のラッチ錠のケース内部の正面図である。The 2nd Example of the door lock of this invention is shown and it is a front view inside the case of a latch lock when the latch lock of the upper end part of a door and a lower end part uses a reversing type latch. 図１０の上端部のラッチ錠の要部横断平面図である。It is a principal part crossing top view of the latch lock of the upper end part of FIG. 図１０の上端部のラッチ錠の要部縦断側面図である。It is a principal part vertical side view of the latch lock of the upper end part of FIG. 図１０において、主錠を解錠した時（図５と同じ）、連動して解錠された上端部の反転式のラッチ錠を示す正面図である。In FIG. 10, when the main lock is unlocked (same as in FIG. 5), it is a front view showing a reversible latch lock at the upper end portion unlocked in conjunction with the main lock. 図１３の要部横断平面図である。It is a principal part cross-sectional top view of FIG. 図１３の要部縦断側面図である。It is a principal part vertical side view of FIG. （ａ）は本発明の扉錠の第１実施例の変形例を示すもので、主錠のケース内部の正面図、（ｂ）は図１６（ａ）における、作動部材４０と連動部材４との連結状態を示す、要部拡大斜視図である。(A) shows the modification of 1st Example of the door lock of this invention, The front view inside the case of a main lock, (b) is the operation member 40 and the interlocking member 4 in FIG. It is a principal part expansion perspective view which shows the connection state of these. 図１６（ａ）の要部横断平面図である。It is a principal part cross-sectional plan view of Fig.16 (a). 本発明の扉錠の第１実施例の変形例を示すもので、上端部と下端部のラッチ錠のケース内部の正面図である。The modification of 1st Example of the door lock of this invention is shown, and it is a front view inside the case of the latch lock of an upper end part and a lower end part. 図１８の上端部のラッチ錠の要部横断平面図である。It is a principal part cross-sectional plan view of the latch lock of the upper end part of FIG. 本発明の扉錠の第２実施例の変形例で、上端部と下端部のラッチ錠が反転式のラッチを使用した場合のラッチ錠の正面図である。In the modification of 2nd Example of the door lock of this invention, it is a front view of the latch lock when the latch lock of an upper end part and a lower end part uses a reversing type latch.

以下、本発明の扉錠の実施例１〜２について、図面に基づいて具体的に説明する。 Hereinafter, Examples 1 and 2 of the door lock of the present invention will be specifically described with reference to the drawings.

図１〜９は、本発明の扉錠の第１実施例を示すもので、図１（ａ）は、使用状態を示す室外側から見た正面図であり、図１（ｂ）は同じく使用状態を示す扉の開放端側から見た左側面図である。 FIGS. 1-9 shows the 1st Example of the door lock of this invention, FIG.1 (a) is the front view seen from the outdoor side which shows a use condition, FIG.1 (b) is used similarly It is the left view seen from the open end side of the door which shows a state.

本第１実施例の扉錠は、一端を丁番Ｈなどにより回動自在に枢支された扉Ｄの開放端側の中央部に、ハンドル３８の回動操作により解錠するラッチ５を有する主錠１を取り付け、前記扉Ｄの上端部と下端部のいずれか一方または両方にラッチ錠２を取り付けるものであるが、図示する実施例では上端部と下端部の両方にラッチ錠２が取り付けてあり、閉扉時は主錠１のラッチ５と、上端部と下端部のラッチ錠２、２のラッチ６、６との３個のラッチで扉Ｄを同時に施錠するようにしてある。（なお、図１（ａ），（ｂ）で、３は後述の第２実施例のラッチ錠であり、８はそのラッチである。）。 The door lock of the first embodiment has a latch 5 that is unlocked by a turning operation of the handle 38 at the center of the open end side of the door D pivotally supported at one end by a hinge H or the like. The main lock 1 is attached, and the latch lock 2 is attached to one or both of the upper end and the lower end of the door D. In the illustrated embodiment, the latch lock 2 is attached to both the upper end and the lower end. When the door is closed, the door D is simultaneously locked by the latch 5 of the latch 5 of the main lock 1 and the latches 2 and 6 of the latch locks 2 and 2 at the upper and lower ends. (In FIGS. 1 (a) and 1 (b), 3 is a latch lock of a second embodiment described later, and 8 is the latch thereof).

主錠１は、シリンダー３７やサムターン３９（図１（ｂ）参照）の操作により、図２および図３に示すように、突出、後退して施錠、解錠する本施錠用のデッドボルト７と、ハンドル３８の操作によって後退して解錠される、仮施錠用のラッチ５とを有している。 As shown in FIGS. 2 and 3, the main lock 1 includes a dead bolt 7 for locking, which is locked and unlocked by protruding and retreating by operation of a cylinder 37 and a thumb turn 39 (see FIG. 1B). , And a latch 5 for temporary locking that is retracted and unlocked by operation of the handle 38.

上記本施錠用のデッドボルト７の構成は、従来公知のものであり、シリンダー３７やサムターン３９の操作により、ハブ９を回動し、該ハブ９の先端部９５がデッドボルト７の係合凹部７７を押して、デッドボルト７を出没作動させる。なお、図中１９はケース１０に固定された保持部材で、該保持部材１９にハブ９が回動自在に枢支されて保持される。その他、７８はクリックバネ装置であり、ハブ９の先端部９５を付勢して、デッドボルト７を解錠状態または施錠状態に安定保持させるためのものであり、図２は、デッドボルト７が後退した解錠状態を示す。 The structure of the dead bolt 7 for locking is conventionally known, and the hub 9 is rotated by the operation of the cylinder 37 and the thumb turn 39, and the front end portion 95 of the hub 9 is engaged with the engagement recess of the dead bolt 7. 77 is pushed, and the deadbolt 7 is operated. In the figure, reference numeral 19 denotes a holding member fixed to the case 10, and the hub 9 is pivotally supported by the holding member 19 and held therein. In addition, 78 is a click spring device for urging the front end portion 95 of the hub 9 to stably hold the dead bolt 7 in the unlocked state or the locked state. FIG. Retracted unlocked state.

ところで、この本施錠用のデッドボルト７は、本発明の扉錠を構成する主錠１の必須構成要素ではなく、デッドボルト７が無いものでもよい。その場合は、デッドボルトのみを有する本締錠を、主錠とは別に扉に取り付ければよい。 By the way, this dead bolt 7 for locking is not an essential component of the main lock 1 constituting the door lock of the present invention, and may be one without the dead bolt 7. In that case, what is necessary is just to attach this lock | rock which has only a dead bolt to a door separately from a main lock.

本発明はの扉錠の特徴は、主錠１には、ハンドル３８の操作によってラッチ５を解錠した時に連動する連動部材４，４を設けてあり、この連動部材４，４を扉の上端部と下端部のラッチ錠２，２に連結し、主錠１のラッチ５を解錠した時に、連動部材４，４を介して上端部と下端部のラッチ錠２、２のラッチ６，６が同時に解錠される点である。 The door lock of the present invention is characterized in that the main lock 1 is provided with interlocking members 4 and 4 that are interlocked when the latch 5 is unlocked by operating the handle 38, and the interlocking members 4 and 4 are connected to the upper end of the door. When the latch 5 of the main lock 1 is unlocked and connected to the latch locks 2 and 2 at the lower end and the lower end, the latches 6 and 6 of the latch locks 2 and 2 at the upper and lower ends are connected via the interlocking members 4 and 4. Is unlocked at the same time.

上記主錠１は、ケース１０の後端部が、扉Ｄの開放端側の開口部Ｄ２から縦部材Ｄ１に形成された取付穴から扉Ｄ内に挿入され、ケース１０の先端部側で上下に折り曲げて形成された取付片１１，１１がネジ９２，９２で扉Ｄの縦部材Ｄ１に固定されることにより、扉Ｄに取り付けられる。
また、先端部の折曲片１０ｃにはネジ１７，１７によりフロント１３が取り付けられる。なお、該フロント１３と折曲片１０ｃとの間にはケース１０のカバー（図示せず）の折曲片１２が嵌装され、ネジ１７，１７により一体的に取り付けられる。 The rear end of the case 10 is inserted into the door D from the opening D2 on the open end side of the door D through the mounting hole formed in the vertical member D1. The attachment pieces 11, 11 formed by being bent into two are fixed to the vertical member D 1 of the door D with screws 92, 92, so that the attachment pieces 11 are attached to the door D.
A front 13 is attached to the bent piece 10c at the tip by screws 17 and 17. A bent piece 12 of a cover (not shown) of the case 10 is fitted between the front 13 and the bent piece 10c, and is attached integrally by screws 17 and 17.

主錠１のケース１０内には、ラッチ５がフロント１３から出没自在に設けられ、連結部３２を介して固定されたラッチ柄３１が固定されている。また、ラッチ柄３１の後端部には作動部３３が設けられ、該作動部３３とケース１０との間に設けられたバネ３４により、ラッチ５は常時突出方向に付勢されると共に、カム５０の先端部５２に当接して、それ以上の突出が阻止されている。 In the case 10 of the main lock 1, a latch 5 is provided so as to be able to protrude and retract from the front 13, and a latch handle 31 fixed via a connecting portion 32 is fixed. An operating portion 33 is provided at the rear end portion of the latch handle 31, and the latch 5 is always urged in the protruding direction by a spring 34 provided between the operating portion 33 and the case 10, and the cam 5 50 is abutted against the tip 52 and further protrusion is prevented.

カム５０は、図２および図３に示されるように、コの字状に折り曲げて形成され、その上下の一対の板状体に形成された軸部５４，５４がケース１０に形成された穴に嵌合されて回動自在に枢支されている。
上記カム５０の回動軸の中心部には角穴が形成され、断面が矩形状のハンドル３８の操作軸５１が挿通され、ハンドル３８の回動によりカム５０も一体的に回動する。 As shown in FIGS. 2 and 3, the cam 50 is formed by bending in a U-shape, and shafts 54 and 54 formed in a pair of upper and lower plates are formed in the case 10. And is pivotally supported so as to be rotatable.
A square hole is formed in the central portion of the rotation shaft of the cam 50, and the operation shaft 51 of the handle 38 having a rectangular cross section is inserted. The rotation of the handle 38 causes the cam 50 to rotate integrally.

上記カム５０の上下一対の板状体間には、円筒状のバネ軸５６が設けられ、該バネ軸５６にキックバネ５７が掛架されている。該キックバネ５７の一端は、カム５０に形成したバネ掛け部５８に掛け、他端はケース１０に固定したネジ柱１８に掛けて、カム５０を常時反時計方向に付勢している。なお、カム５０の後端部５５が上記ネジ柱１８に当接し、キックバネ５７によるカム５０の反時計方向のそれ以上の回動が阻止されている。
従って、ハンドル３８を回動操作する時は、該キックバネ５７の付勢力に抗して回動操作し、ハンドル３８から手を放せばキックバネ５７の付勢力によってカム５０およびハンドル３８が元の状態に復帰する。 A cylindrical spring shaft 56 is provided between a pair of upper and lower plate-like bodies of the cam 50, and a kick spring 57 is hung on the spring shaft 56. One end of the kick spring 57 is hooked on a spring hooking portion 58 formed on the cam 50, and the other end is hooked on a screw column 18 fixed to the case 10 to constantly bias the cam 50 counterclockwise. Note that the rear end portion 55 of the cam 50 abuts on the screw column 18, and the cam 50 is prevented from further rotating counterclockwise by the kick spring 57.
Accordingly, when the handle 38 is rotated, the cam 50 and the handle 38 are restored to the original state by the biasing force of the kick spring 57 when the handle 38 is released. Return.

また、カム５０の先端部５２は、前記ラッチ５のラッチ柄３１に設けた作動部３３に当接しており、ハンドル３８を操作して時計方向に回動するとカム５０も一体に回動し、上記先端部５２が作動部３３を押動してラッチ５を後退作動させる。 Further, the front end portion 52 of the cam 50 is in contact with the operating portion 33 provided on the latch handle 31 of the latch 5, and when the handle 38 is operated and rotated clockwise, the cam 50 also rotates integrally. The front end 52 pushes the operating portion 33 to move the latch 5 backward.

なお、カム５０には作動部材４０を作動させるための作動部５３が形成されており、作動部材４０に形成した係合部４３に形成した当接部４４に係合し、カム５０の時計方向の回動により、該作動部５３が作動部材４０の当接部４４を押動して、作動部材４０を上方に作動させる。 An operating portion 53 for operating the operating member 40 is formed on the cam 50, and the cam 50 is engaged with the contact portion 44 formed on the engaging portion 43 formed on the operating member 40, so that the cam 50 is rotated in the clockwise direction. With this rotation, the operating portion 53 pushes the contact portion 44 of the operating member 40 to operate the operating member 40 upward.

ところで、上記作動部材４０は、縦長状の板状体の上下をコの字状に折り曲げて形成したもので、主錠１のケース１０内のフロント１３側に上下方向に摺動自在に設けられている。また、該作動部材４０の上下をコの字状に折り曲げた板状体には作動ピン４２，４２が固定されており、それぞれ上下の連動部材４，４の係合部４１，４１に係合し、主錠１の作動部材４０が上方へ作動した時、上，下の連動部材４，４も連動して上方へ作動するように設けてある。 By the way, the operating member 40 is formed by bending a vertically long plate-like body into a U-shape and is slidable in the vertical direction on the front 13 side in the case 10 of the main lock 1. ing. Further, operating pins 42 and 42 are fixed to a plate-like body in which the upper and lower sides of the operating member 40 are bent in a U-shape, and are engaged with the engaging portions 41 and 41 of the upper and lower interlocking members 4 and 4, respectively. When the operating member 40 of the main lock 1 is operated upward, the upper and lower interlocking members 4 and 4 are also provided so as to operate upward.

なお、前記の通りラッチ作動用のカム５０に形成した作動部５３が、上記作動部材４０の下方に形成した係合部４３に係合し、カム５０の回動により作動部材４０に形成した当接部４４を押動して作動部材４０を上方に摺動させるように設けてあり、上記カム５０および作動部材４０が主錠１のラッチ作動機構３０を構成している。 As described above, the operating portion 53 formed on the latch operating cam 50 engages with the engaging portion 43 formed below the operating member 40, and the cam 50 rotates to form the operating portion 40. The contact member 44 is pushed to slide the operating member 40 upward, and the cam 50 and the operating member 40 constitute the latch operating mechanism 30 of the main lock 1.

一方、本発明の第１実施例では、上，下の連動部材４，４は図１（ａ）、図２および図３に示されるように、長尺状の板状体により形成され、扉Ｄの開口部Ｄ２内で扉に取り付けられた主錠１のケース１０の側面部と、フロント１３のＬ字状に折り曲げた折曲片１３ａとの間に嵌装されて、上下方向に摺動自在に設けられている。（図３参照）。 On the other hand, in the first embodiment of the present invention, the upper and lower interlocking members 4 and 4 are formed of a long plate-like body as shown in FIGS. Fitted between the side surface portion of the case 10 of the main lock 1 attached to the door in the opening D2 of D and the bent piece 13a of the front 13 bent into an L shape, and slides in the vertical direction. It is provided freely. (See FIG. 3).

また、上記の上，下の連動部材４，４は、図２、図４（ａ）および図６に示されるように、それぞれの下端部と上端部に形成された係合部４１，４１に作動ピン４２，４２が係合される。該作動ピン４２，４２は、図６に示されるように大径部と小径部を有する段付きのピンであって、主錠１のケース１０内で上下動自在に設けられたコの字状の作動部材４０の上端部と下端部に一体的に保持され、小径部の一端がケース１０の側面からケース１０の外に突出して、連動部材４，４の係合部４１，４１に係合される。 Further, the upper and lower interlocking members 4, 4 are connected to the engaging portions 41, 41 formed at the lower end portion and the upper end portion, respectively, as shown in FIGS. 2, 4 (a) and 6. The operating pins 42 are engaged. The operation pins 42 and 42 are stepped pins having a large diameter portion and a small diameter portion as shown in FIG. 6, and are U-shaped so as to be movable up and down within the case 10 of the main lock 1. The one end of the small-diameter portion protrudes from the side surface of the case 10 to the outside of the case 10 and engages with the engaging portions 41 and 41 of the interlocking members 4 and 4. Is done.

上記の上，下の連動部材４，４は、図４に示されるように扉Ｄの上端部および下端部に取り付けられたラッチ錠２，２のラッチ作動機構６０，６０を構成する作動部材２５，２５に保持した作動ピン２６，２６に係合して連結される。 The upper and lower interlocking members 4, 4 are actuating members 25 constituting the latch actuating mechanisms 60, 60 of the latch locks 2, 2 attached to the upper and lower ends of the door D as shown in FIG. , 25 are engaged with and connected to the operating pins 26, 26.

ところで、上端部のラッチ錠２と下端部のラッチ錠２の構成および作用は同じであるので、一方の上端部のラッチ錠２の構成および作用についてのみ説明する。 By the way, since the configuration and operation of the latch lock 2 at the upper end and the latch lock 2 at the lower end are the same, only the configuration and operation of the latch lock 2 at one upper end will be described.

上端部のラッチ錠２は、ケース２０の前方部で上，下に折り曲げられた取付片２１，２１が扉Ｄの縦部材Ｄ１にネジ９２，９２で取り付け固定される。また、ケース２０の更に前方部の折曲部２２，２２にはフロント２３がネジ１７，１７で固定されている。 The latch lock 2 at the upper end is attached and fixed to the vertical member D1 of the door D with screws 92 and 92, with the attachment pieces 21 and 21 bent upward and downward at the front part of the case 20. Further, a front 23 is fixed to the bent portions 22, 22 further forward of the case 20 with screws 17, 17.

上記ラッチ錠２のケース２０内には、ラッチ６が出没可能に嵌装されており、バネ６ｈにより常時突出方向に付勢され、閉扉時は図４（ａ）に示すようにフロント２３から突出し、枠側の受座（図示せず）に係合して施錠される。なお、ラッチ６にはラッチ柄６ｅが固定部６ｆを介して固定されており、その後端部には作動部６ｇが形成されている。 The latch 6 is fitted in the case 20 of the latch lock 2 so as to be able to protrude and retract, and is always urged in the protruding direction by the spring 6h, and protrudes from the front 23 as shown in FIG. 4A when the door is closed. , Engaged with a frame-side seat (not shown) and locked. A latch handle 6e is fixed to the latch 6 via a fixing portion 6f, and an operating portion 6g is formed at the rear end thereof.

上記のケース２０の下方部には、カム９０を構成する第１カム７０と第２カム８０が、それぞれ枢軸２４を支点に回動自在に枢支されており、第１カム７０に形成した係合片７２が第２カム８０に形成した係合凹部８２に係合し、互いに一体的に回動するように設けてある。 A first cam 70 and a second cam 80 constituting the cam 90 are pivotally supported on the lower portion of the case 20 so as to be rotatable about the pivot 24 as a fulcrum. The joining piece 72 is provided so as to engage with an engaging recess 82 formed in the second cam 80 and rotate integrally with each other.

また、上記のケース２０内には、作動部材２５が上下方向に摺動自在に設けられており、該作動部材２５の下端部に固定された作動ピン２６には、前記主錠１に連結された上方の連動部材４の上端部に形成された係合部４１に係合して、作動部材２５と連動部材４とが連結されている。 An operating member 25 is provided in the case 20 so as to be slidable in the vertical direction. The operating pin 26 fixed to the lower end of the operating member 25 is connected to the main lock 1. The actuating member 25 and the interlocking member 4 are connected to each other by engaging with an engaging portion 41 formed at the upper end of the upper interlocking member 4.

前記連動部材４は、図４（ｂ）に示されるように、前記主錠１の場合と同様に、扉Ｄの開口部Ｄ２内であってラッチ錠２のケース２０の側面部とフロント２３をＬ字状に折り曲げた折曲片２３ａとの間に嵌装され、上下方向に摺動自在に設けられている。 As shown in FIG. 4 (b), the interlocking member 4 is connected to the side 23 of the case 20 of the latch lock 2 and the front 23 in the opening D 2 of the door D, as in the case of the main lock 1. It is fitted between the bent piece 23a bent in an L shape, and is slidable in the vertical direction.

なお、前記作動部材２５の下方に形成した切欠部２７に形成した係合部２８には前記第２カム８０の先端部８１が係合しており、連動部材４の上動により作動部材２５を介して第２カム８０が時計方向に回動されるように設けてある。該第２カム８０の時計方向の回動により、前記第１カム７０が第２カム８０の係合凹部８２に係合する係合片７２を介して時計方向に一体的に回動し、ラッチ６を後退作動してラッチ錠２が解錠される。 Note that a distal end portion 81 of the second cam 80 is engaged with an engaging portion 28 formed in a notch 27 formed below the operating member 25, and the operating member 25 is moved by the upward movement of the interlocking member 4. The second cam 80 is provided so as to be rotated clockwise. By the clockwise rotation of the second cam 80, the first cam 70 is integrally rotated clockwise through the engagement piece 72 that engages the engagement recess 82 of the second cam 80, and is latched. 6 is moved backward to unlock the latch lock 2.

ところで、第１カム７０と第２カム８０との間にはバネ７４が掛架されており、バネ７４の一端は第１カム７０の係合片７２に掛架され、他端は第２カム８０の下端部８３に掛架され、第２カム８０は反時計方向に付勢されて、その先端部８１は前記作動部材２５の係合部２８に当接し、後端部がケース２０に固設したネジ柱２０ａに当接し、それ以上の反時計方向の回動が阻止されている。
また、第１カム７０はバネ７４により時計方向への回動方向に付勢されているが、係合片７２が第２カム８０の係合凹部８２に当接し、第１カム７０もそれ以上の回動が阻止されている。 Incidentally, a spring 74 is hung between the first cam 70 and the second cam 80, one end of the spring 74 is hung on the engagement piece 72 of the first cam 70, and the other end is the second cam. The second cam 80 is urged counterclockwise, the front end portion 81 abuts on the engaging portion 28 of the operating member 25, and the rear end portion is fixed to the case 20. It abuts against the provided screw column 20a and prevents further counterclockwise rotation.
The first cam 70 is urged in the clockwise direction by the spring 74, but the engagement piece 72 abuts on the engagement recess 82 of the second cam 80, and the first cam 70 is more than that. Is prevented from rotating.

上記第１カム７０と第２カム８０とに掛架されたバネ７４は、主錠１のラッチ５を解錠操作した時に連動して上動する連動部材４を介して、ラッチ錠２の作動部材２５を上動して第２カム８０および第１カム７０を時計方向に回動してラッチ６を解錠する時、第１カム７０によるラッチ６の後退方向への力が必要以上に作用することを防ぐ働きを有する。 The spring 74 hung on the first cam 70 and the second cam 80 operates the latch lock 2 via the interlocking member 4 that moves upward when the latch 5 of the main lock 1 is unlocked. When the member 25 is moved upward to rotate the second cam 80 and the first cam 70 clockwise to unlock the latch 6, the force of the first cam 70 in the backward direction of the latch 6 acts more than necessary. It has a function to prevent it.

即ち、連動部材４および作動部材２５を介してカム９０によりラッチ６を後退作動させる時、作動部材２５にラッチ６を後退させるに必要な力より大きな力が作用した場合でも、カム９０を構成する第１カム７０と第２カム８０とに掛架したバネ７４がその力を吸収し、ラッチ６に必要以上の力が作用することを防いでいる。
（第１実施例の動作説明） That is, when the latch 6 is moved backward by the cam 90 via the interlocking member 4 and the actuating member 25, the cam 90 is configured even when a force larger than the force necessary to move the latch 6 backward is applied to the actuating member 25. The spring 74 hung on the first cam 70 and the second cam 80 absorbs the force, and prevents an excessive force from acting on the latch 6.
(Description of operation of the first embodiment)

次に、前記本発明の第１実施例の扉錠の動作を図５ないし図９に基づいて説明する。
図５に示すように、主錠１のハンドル３８を時計方向に回動すると、カム５０が一体的に回動され、カム５０の先端部５２がラッチ５の作動部３３を押動してラッチ５を後退させて解錠する。この時、カム５０の作動部５３が係合する作動部材４０の当接部４４を押動して作動部材４０を上動させ、作動部材４０の上端部と下端部に設けた作動ピン４２，４２に係合する上，下の連動部材４、４を矢印方向に上動させる。 Next, the operation of the door lock according to the first embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 5, when the handle 38 of the main lock 1 is rotated in the clockwise direction, the cam 50 is integrally rotated, and the tip 52 of the cam 50 pushes the operating portion 33 of the latch 5 to latch. Retract 5 and unlock. At this time, the contact portion 44 of the operating member 40 with which the operating portion 53 of the cam 50 is engaged is pushed to move the operating member 40 upward, and the operating pins 42 provided on the upper end portion and the lower end portion of the operating member 40, The upper and lower interlocking members 4 and 4 engaged with 42 are moved upward in the direction of the arrow.

上記上，下の連動部材４，４が上動すると、図８および図９に示すように、上，下の連動部材４，４に連結されている上端部および下端部のラッチ錠２，２の作動部材２５，２５が矢印方向に上動し、該作動部材２５，２５に係合する第２カム８０，８０および第１カム７０，７０を時計方向に回動し、第１カム７０，７０の先端部７１，７１がラッチ６，６を後退させる。即ち、連動部材４，４の上動によりラッチ作動機構６０（作動部材２５とカム９０）を介してカム９０（第１カム７０と第２カム８０）が回動されてラッチ錠２，２が解錠される。 When the upper and lower interlocking members 4 and 4 are moved upward, as shown in FIGS. 8 and 9, the upper and lower latch locks 2 and 2 connected to the upper and lower interlocking members 4 and 4 are provided. Are moved upward in the direction of the arrow, and the second cams 80 and 80 and the first cams 70 and 70 engaged with the operating members 25 and 25 are rotated in the clockwise direction. The front ends 71 and 71 of the 70 retract the latches 6 and 6. That is, when the interlocking members 4 and 4 are moved upward, the cam 90 (first cam 70 and second cam 80) is rotated via the latch operating mechanism 60 (the operating member 25 and the cam 90), and the latch locks 2 and 2 are moved. Unlocked.

図１０ないし図１５に基づいて、本発明の扉錠の第２実施例を説明する。
この第２実施例は、扉Ｄの上端部および下端部に取り付けられるラッチ錠３が、前記第１実施例のラッチ錠２と異なり、反転式のラッチ８を採用している点で相違するが、その他の構成は前記第１実施例のものと同じである。
なお、図示する実施例２でも、扉の中央部に前記実施例１と同様の主錠１を取り付け、扉Ｄの上端部と下端部の両方にラッチ錠３を取り付けた場合を示すが、ラッチ錠３は片方のみに取り付けてもよい。 Based on FIG. 10 thru | or FIG. 15, 2nd Example of the door lock of this invention is described.
The second embodiment is different in that the latch lock 3 attached to the upper end portion and the lower end portion of the door D is different from the latch lock 2 of the first embodiment in that an inversion latch 8 is employed. Other configurations are the same as those of the first embodiment.
In the illustrated second embodiment, the main lock 1 similar to that of the first embodiment is attached to the central portion of the door, and the latch lock 3 is attached to both the upper and lower ends of the door D. The lock 3 may be attached to only one side.

上記ラッチ錠３のラッチ８は、従来公知の反転式のものであり、ラッチ８が突出して枠側の受座（図示せず）に係合した図１０の施錠状態は、ラッチ８の後端部の突起部８ａに作動部材４５に形成した施錠部４６が係合して、ラッチ８の反転が阻止された施錠状態である。 The latch 8 of the latch lock 3 is a conventionally known inversion type, and the locked state in FIG. 10 in which the latch 8 protrudes and engages with a frame-side seat (not shown) is the rear end of the latch 8. The locking portion 46 formed on the operating member 45 is engaged with the protruding portion 8a of the portion, and the latch 8 is prevented from being reversed.

上記作動部材４５は、図１１，１２に示されるように板状体をコの字状に折り曲げて形成されており、図１０に示されるように正面外観も略コの字状に形成され、ラッチ錠３のケース３ａ内で、上下方向に摺動自在に設けられている。
該作動部材４５のコの字状の上片には、施錠部４６，４６が形成されており、常時ラッチ８の突起部８ａ，８ａに係合してラッチ８の反転を阻止する施錠状態に保持されている。その他図中３ｂ，３ｂはケース３ａに固定したガイド柱で、４５ａ，４５ａは作動部材４５に形成したガイド穴であり、作動部材４５は該ガイド柱３ｂ，３ｂをガイドにして上下動する。 The operating member 45 is formed by bending a plate-like body into a U-shape as shown in FIGS. 11 and 12, and the front appearance is also formed in a substantially U-shape as shown in FIG. Within the case 3a of the latch lock 3, it is provided to be slidable in the vertical direction.
Locking portions 46, 46 are formed on the U-shaped upper piece of the operating member 45, and are in a locked state that always engages with the protrusions 8 a, 8 a of the latch 8 to prevent the latch 8 from reversing. Is retained. In the drawings, 3b and 3b are guide columns fixed to the case 3a, 45a and 45a are guide holes formed in the operating member 45, and the operating member 45 moves up and down using the guide columns 3b and 3b as a guide.

上記ラッチ８は、ラッチ錠３のケース３ａに固定されたラッチケース８ｃ内で出没自在に、また反転自在に収納保持されている。８ｂはラッチ８とラッチケース８ｃとの間に設けたバネで、ラッチ８を常時突出方向に付勢している。また、ラッチ８とバネ８ｂとの間には、樹脂などにより形成されたバネ受８ｅが設けられており、これは、ラッチ８の出没および反転作動が円滑に行われるようにするためのものである。 The latch 8 is housed and held in a latch case 8c fixed to the case 3a of the latch lock 3 so as to be able to move in and out and to be reversed. 8b is a spring provided between the latch 8 and the latch case 8c, and always urges the latch 8 in the protruding direction. Further, a spring receiver 8e formed of resin or the like is provided between the latch 8 and the spring 8b, and this is intended to smoothly move the latch 8 in and out. is there.

上記ラッチケース８ｃの上方には、ガイド部材８ｄがケース３ａに固定されており、図１２に示されるように、該ガイド部材８ｄの上下に貫通する穴およびラッチケース８ｃに形成された穴に、作動部材４５の施錠部４６，４６が挿通されてラッチ８の突起部８ａ，８ａに係合してラッチの反転を阻止する。このガイド部材８ｄは、ラッチ８の反転を阻止する施錠状態で、ラッチ８に反転する方向への側圧が作用した場合の施錠部４６，４６の補強部材である。 Above the latch case 8c, a guide member 8d is fixed to the case 3a. As shown in FIG. 12, the guide member 8d has a hole penetrating vertically and a hole formed in the latch case 8c. The locking portions 46 of the actuating member 45 are inserted and engaged with the protrusions 8a and 8a of the latch 8 to prevent the latch from being inverted. The guide member 8d is a reinforcing member for the locking portions 46 and 46 when a lateral pressure is applied to the latch 8 in a locked state that prevents the latch 8 from being reversed.

ところで、本実施例２の上端部のラッチ錠３のケース３ａの下方からは主錠１のラッチ作動機構３０に連結された上方の連動部材４の上端部が挿入されて、ラッチ錠３のラッチ作動機構６１を構成する作動部材４５に保持された作動ピン４７に、該連動部材４の係合部４１を係合させて連結される。
また、上記連動部材４は前記実施例１の場合と同様に、扉Ｄの開口部Ｄ２内でケース３ａの前方部で、ケース３ａの側面部とＬ字状のフロント３ｅの折曲片３ｆとの間に挿通されて上下方向に摺動自在に設けられ、ラッチ作動機構６１を構成する作動部材４５に連結されている。 By the way, the upper end portion of the upper interlocking member 4 connected to the latch operation mechanism 30 of the main lock 1 is inserted from below the case 3a of the latch lock 3 at the upper end portion of the second embodiment, and the latch of the latch lock 3 is latched. The engaging part 41 of the interlocking member 4 is engaged with and connected to the operating pin 47 held by the operating member 45 constituting the operating mechanism 61.
Similarly to the case of the first embodiment, the interlocking member 4 includes a front portion of the case 3a in the opening D2 of the door D, a side portion of the case 3a, and a bent piece 3f of the L-shaped front 3e. And is slidable in the vertical direction, and is connected to an operating member 45 constituting a latch operating mechanism 61.

なお、扉の下端部のラッチ錠３は上端部のラッチ錠３と同じ構成であるが、主錠１のラッチ作動機構３０に連結された下方の連動部材４は、前記とは逆にラッチ錠３のケース３ａの上方から挿入されて、ラッチ作動機構６１を構成する作動部材４５に連結される。
（実施例２の動作説明） The latch lock 3 at the lower end of the door has the same configuration as the latch lock 3 at the upper end, but the lower interlocking member 4 connected to the latch operating mechanism 30 of the main lock 1 is a latch lock contrary to the above. 3 is inserted from above the case 3 a and is connected to the operating member 45 constituting the latch operating mechanism 61.
(Description of operation of the second embodiment)

次に、上記実施例２の動作を説明する。
前記の実施例１の場合と同様に、扉Ｄの中央部に取り付けた主錠１のハンドル３８を回動して、図５に示すようにラッチ５を後退させて解錠操作を行うと、ラッチ作動機構３０を構成する作動部材４０の上動に連動して、上，下の連動部材４，４が上動する。 Next, the operation of the second embodiment will be described.
As in the case of the first embodiment, when the handle 38 of the main lock 1 attached to the center portion of the door D is rotated and the latch 5 is moved backward as shown in FIG. The upper and lower interlocking members 4 and 4 are moved upward in conjunction with the upward movement of the operating member 40 constituting the latch operating mechanism 30.

該連動部材４，４が上動すると、それぞれに連結されているラッチ錠３，３の作動機構４５，４５が上動し、施錠部４６，４６とラッチ８の突起部８ａ，８ａとの係合が解除される（図１３，図１５参照）。すると、ラッチ８の反転が可能となり、図１１の状態から図１４の状態にラッチ８は反転してケース３ａ内に後退し、ラッチ錠３，３が解錠される。
なお、図１３は上端部のラッチ錠３のみを示すが、下端部のラッチ錠３も同じであるので省略する。
（実施例１の変形例） When the interlocking members 4 and 4 are moved upward, the operating mechanisms 45 and 45 of the latch locks 3 and 3 connected thereto are moved upward, and the engagement between the locking portions 46 and 46 and the protrusions 8a and 8a of the latch 8 is increased. The combination is released (see FIGS. 13 and 15). Then, the latch 8 can be reversed, the latch 8 is reversed from the state shown in FIG. 11 to the state shown in FIG. 14 and retracted into the case 3a, and the latch locks 3 and 3 are unlocked.
Although FIG. 13 shows only the latch lock 3 at the upper end portion, the latch lock 3 at the lower end portion is the same, and is omitted.
(Modification of Example 1)

図１６ないし図１９は、本発明の扉錠の第１実施例の変形例を示すもので、連動部材４，４の設置位置が前記の第１実施例とは異なる。
即ち、前記の第１実施例では連動部材４，４は、扉Ｄの開口部Ｄ２内で、主錠１のケース１０およびラッチ錠２のケース２０の側面部において、それぞれのフロント１３，２３の側面の折曲片１３ａおよび２３ａとの間に嵌装して設けられていた。
それに対し、本変形例では連動部材４，４は扉Ｄの開口部Ｄ２内で、主錠１およびラッチ錠２のケース１０および２０のフロント１３および２３と扉Ｄの縦部材Ｄ１の間に、上下方向に摺動自在に設けられている。 16 to 19 show a modification of the first embodiment of the door lock of the present invention, and the installation positions of the interlocking members 4 and 4 are different from those of the first embodiment.
In other words, in the first embodiment, the interlocking members 4 and 4 are disposed on the side surfaces of the case 10 of the main lock 1 and the case 20 of the latch lock 2 in the opening D2 of the door D, respectively. It was fitted between the side bent pieces 13a and 23a.
On the other hand, in this modification, the interlocking members 4 and 4 are located in the opening D2 of the door D, between the fronts 13 and 23 of the cases 10 and 20 of the main lock 1 and the latch lock 2, and the vertical member D1 of the door D. It is slidable in the vertical direction.

上記、本実施例の主錠１は図１６（ａ）に示されるように、前記第１実施例の主錠と同様にハンドル３８の回動により一体的に回動してラッチ５を後退させるカム５０と、該カム５０の回動に連動して上動する作動部材４０とを有し、作動部材４０の上下には上方の連動部材４および下方の連動部材４が連結されている。
その他、主錠１には前記第１実施例と同様にデッドボルト７とハブ９を備えている。 As shown in FIG. 16A, the main lock 1 of the present embodiment is integrally rotated by the rotation of the handle 38 to retract the latch 5, as in the case of the main lock of the first embodiment. It has a cam 50 and an operating member 40 that moves upward in conjunction with the rotation of the cam 50, and an upper interlocking member 4 and a lower interlocking member 4 are connected to the top and bottom of the operating member 40.
In addition, the main lock 1 is provided with a dead bolt 7 and a hub 9 as in the first embodiment.

ところで、上記作動部材４０と連動部材４，４との連結部は図１６（ｂ）に示すように、上方の連動部材４はその下端部の両側を切り欠いて係合部４ａを形成し、該係合部４ａを作動部材４０の上端部の折曲片４０ａに形成した係合溝４０ｂに係合して、作動部材４０の上動に連動して連動部材４が上動するように連結してある。 By the way, as shown in FIG. 16B, the connecting portion between the actuating member 40 and the interlocking members 4 and 4 is formed by engaging the upper interlocking member 4 with notches on both sides of the lower end portion to form an engaging portion 4a. The engaging portion 4a is engaged with an engaging groove 40b formed in the bent piece 40a at the upper end portion of the operating member 40, and the interlocking member 4 is connected to move upward in conjunction with the upward movement of the operating member 40. It is.

なお、下方の連動部材４は、上記の上方の連動部材４とは逆に、その上端部に上記と同様の係合部４ａを形成し、作動部材４０の下端部の折曲片４０ａに形成した係合溝４０ｂに該連動部材４の係合部４ａを係合させて連結してある。 Note that the lower interlocking member 4 is opposite to the upper interlocking member 4, and an engaging portion 4 a similar to the above is formed at the upper end portion thereof, and is formed at the bent piece 40 a at the lower end portion of the actuating member 40. The engaging portion 4a of the interlocking member 4 is engaged with and connected to the engaging groove 40b.

上記のように、主錠１の作動部材４０に連結された連動部材４，４は、扉Ｄの開口部Ｄ２内において、ケース１０の扉Ｄへの取付片１１，１１とフロント１３の上下の折曲片１３ａ、１３ａとの間に嵌装され、該取付片１１と折曲片１３ａにガイドされ上下方向に摺動する。 As described above, the interlocking members 4, 4 connected to the operation member 40 of the main lock 1 are provided in the opening D 2 of the door D so that the attachment pieces 11, 11 to the door D of the case 10 and the upper and lower portions of the front 13 are fixed. It is fitted between the bent pieces 13a, 13a, is guided by the mounting piece 11 and the bent piece 13a, and slides up and down.

上記の上方の連動部材４の上端部は、図１８に示すように、扉Ｄの上端部に取り付けられたラッチ錠２の作動部材２５に連結され、下方の連動部材４の下端部は、扉Ｄの下端部に取り付けられたラッチ錠２の作動部材２５に連結される。その連結方法は、前記主錠１の作動部材４０との連結方法と同じで、連動部材４に形成した係合部４ａを作動部材２５の折曲片２５ａの係合溝に係合して連結してある。 As shown in FIG. 18, the upper end portion of the upper interlocking member 4 is connected to the operating member 25 of the latch lock 2 attached to the upper end portion of the door D, and the lower end portion of the lower interlocking member 4 is connected to the door. It is connected to the operating member 25 of the latch lock 2 attached to the lower end of D. The connection method is the same as the connection method with the operation member 40 of the main lock 1, and the engagement portion 4 a formed on the interlocking member 4 is engaged with the engagement groove of the bent piece 25 a of the operation member 25 and connected. It is.

なお、連動部材４は図１９に示すように、主錠１と同様に扉Ｄの開口部Ｄ２内において、ラッチ錠２のケース２０の取付片２１とフロント２３の折曲片２３ａとの間に嵌装されており、該折曲片２３ａと取付片２１とをガイドにして上下方向に摺動する。 As shown in FIG. 19, the interlocking member 4 is located between the mounting piece 21 of the case 20 of the latch lock 2 and the bent piece 23a of the front 23 in the opening D2 of the door D, as in the case of the main lock 1. It is fitted and slides up and down using the bent piece 23a and the mounting piece 21 as a guide.

上記の第１実施例の変形例の動作は、前記第１実施例の場合と同じであって、主錠１のハンドル３８を回動によってカム５０を回動し、ラッチ５を後退させて解錠すると、作動部材４０が上動し、作動部材４０に連結されている上方および下方の連動部材４，４が上動する。
該連動部材４，４の上動により、扉Ｄの上端部および下端部のラッチ錠２，２の作動部材２５，２５が上動してカム９０，９０を回動してラッチ６，６を後退させて、ラッチ錠２，２も解錠する。 The operation of the modified example of the first embodiment is the same as that of the first embodiment, and the cam 50 is rotated by rotating the handle 38 of the main lock 1 and the latch 5 is retracted. When locked, the actuating member 40 moves up, and the upper and lower interlocking members 4 and 4 connected to the actuating member 40 move up.
As the interlocking members 4 and 4 are moved upward, the operation members 25 and 25 of the latch locks 2 and 2 at the upper end and the lower end of the door D are moved upward to rotate the cams 90 and 90, thereby Retract and unlock the latch locks 2 and 2.

即ち、扉Ｄの中央部の主錠１を、ハンドル３８によって解錠操作すると、連動部材４，４を介して、扉Ｄの上端部および下端部のラッチ錠２，２も同様に解錠されて開扉が可能となる。また、閉扉すれば主錠１およびラッチ錠２，２のラッチ５および６，６が受座（図示せず）に突出して係合し、施錠される。
（実施例２の変形例） That is, when the main lock 1 at the center of the door D is unlocked by the handle 38, the latch locks 2 and 2 at the upper and lower ends of the door D are similarly unlocked via the interlocking members 4 and 4. Can be opened. When the door is closed, the latches 5 and 6 and 6 of the main lock 1 and the latch locks 2 and 2 project into and engage with a receiving seat (not shown) and are locked.
(Modification of Example 2)

図２０は、本発明の扉錠の前記第２実施例の変形例を示す。
前記第２実施例では、扉の開放端側の上端部と下端部には反転式のラッチ８を使用したラッチ錠３，３を取り付け、該ラッチ錠３，３と扉の中央部に取り付けた主錠１とを連動部材４，４で連結したもので、該連動部材４，４は扉Ｄの開口部Ｄ２内において主錠１およびラッチ錠３のケース１０および３ａの側面部とフロント１３および３ｅの折曲片１３ａ，３ｆとの間に、上下動自在に嵌装されていた。 FIG. 20 shows a modification of the second embodiment of the door lock of the present invention.
In the second embodiment, the latch locks 3, 3 using the reversible latch 8 are attached to the upper end and the lower end on the open end side of the door, and the latch locks 3, 3 are attached to the center of the door. The main lock 1 is connected with interlocking members 4, 4, and the interlocking members 4, 4 are located in the opening D 2 of the door D and the side surfaces of the cases 10 and 3 a of the main lock 1 and the latch lock 3, the front 13, It was fitted between the bent pieces 13a and 3f of 3e so as to be movable up and down.

上記第２実施例に対し、本変形例では連動部材４，４の設置位置と主錠１およびラッチ錠３のラッチ作動機構３０および６１との連結方法が異なるが、これらは図１６ないし図１９に示される第１実施例の変形例の場合と同じである。 In contrast to the second embodiment described above, in this modification, the connecting position of the interlocking members 4 and 4 and the connecting method of the latch operating mechanisms 30 and 61 of the main lock 1 and the latch lock 3 are different. This is the same as the modification of the first embodiment shown in FIG.

即ち、上下の連動部材４，４は扉の開口部Ｄ２内において主錠１のケース１０の上下の取付片１１，１１とフロント１３の上下の折曲片１３ａ，１３ａとにガイドされるように嵌装され、それぞれの下端部および上端部が主錠１の作動部材４０に連結される。 That is, the upper and lower interlocking members 4 and 4 are guided by the upper and lower mounting pieces 11 and 11 of the case 10 of the main lock 1 and the upper and lower bent pieces 13a and 13a of the front 13 in the opening D2 of the door. The lower end and the upper end of each are connected to the operating member 40 of the main lock 1.

上記上方の連動部材４の上端部は、扉Ｄの開口部Ｄ２内において、扉Ｄの上端部のラッチ錠３のケース３ａの下方の取付片３ｃとフロント３ｅの下方の折曲片３ｆとの間に嵌装され、ラッチ錠３のラッチ作動機構６１を構成する作動部材４５に連結される。
その連結方法は、前記第１実施例の変形例と同じであり、図１６（ｂ）に示されるように連動部材４に形成した係合部４ａを作動部材４５の折曲片４５ｂの係合溝に係合して連結してある。
なお、下方の連動部材４と扉Ｄの下端部のラッチ錠３との連結方法も上記と同じである。 In the opening D2 of the door D, the upper end portion of the upper interlocking member 4 is formed between an attachment piece 3c below the case 3a of the latch lock 3 at the upper end portion of the door D and a bent piece 3f below the front 3e. It is fitted in between, and is connected to an operating member 45 constituting the latch operating mechanism 61 of the latch lock 3.
The connecting method is the same as the modification of the first embodiment, and the engaging portion 4a formed on the interlocking member 4 is engaged with the bent piece 45b of the operating member 45 as shown in FIG. It is engaged and connected to the groove.
In addition, the connection method of the lower interlocking member 4 and the latch lock 3 of the lower end part of the door D is also the same as the above.

上記の第２実施例の変形例の扉錠の動作は、前記第２実施例の場合と同じであり、主錠１のハンドル３８を回動してラッチ５を後退させて解錠操作すると、上下の連動部材４，４が連動して上動し、該連動部材４，４に連結される上端部および下端部のラッチ錠３，３の作動部材４５，４５が上動し、反転式のラッチ８，８の反転が許容されてラッチ錠３，３が解錠される。 The operation of the door lock of the modified example of the second embodiment is the same as that of the second embodiment. When the handle 38 of the main lock 1 is rotated and the latch 5 is moved backward, the unlocking operation is performed. The upper and lower interlocking members 4 and 4 are moved up in conjunction with each other, and the operation members 45 and 45 of the upper and lower latches 3 and 3 connected to the interlocking members 4 and 4 are moved up. Inversion of the latches 8 and 8 is allowed, and the latch locks 3 and 3 are unlocked.

なお、上記ラッチ錠３，３の反転式のラッチ８やその施錠部の構成などは、前記の第２実施例と同じであるので、その説明は省略する。 The reversible latch 8 of the latch locks 3 and 3 and the configuration of the locking portion thereof are the same as those in the second embodiment, and the description thereof is omitted.

本発明の扉錠は、上記各実施例の構成に限らず、適宜変更可能である。即ち、上記各実施例では、扉の上端部と下端部との両方にラッチ錠を使用し、主錠と両方のラッチ錠の３箇所で施錠する構成としたが、扉の大きさによっては上端部または下端部の一方にのみラッチ錠を使用し、主錠と一方のラッチ錠の２箇所で施錠する構成としてもよい。 The door lock of the present invention is not limited to the configuration of each embodiment described above, and can be changed as appropriate. That is, in each of the above embodiments, the latch lock is used for both the upper end portion and the lower end portion of the door, and the main lock and the both latch locks are locked at three locations. However, depending on the size of the door, the upper end portion may be used. It is good also as a structure which uses a latch lock only for one of a part or a lower end part, and locks it in two places, a main lock and one latch lock.

また、主錠１のハンドル３８はレバー型のハンドルを使用する構成としたが、ノブ型のハンドルを使用する構成としてもよい。 The handle 38 of the main lock 1 is configured to use a lever-type handle, but may be configured to use a knob-type handle.

また、主錠１には本締用のデッドボルト７を有する構成としたが、デッドボルト７を有しない構成としてもよい。その場合は、主錠とは別にデッドボルトを有する本締錠を取り付けることが好ましい。 Further, although the main lock 1 has the configuration having the dead bolt 7 for final fastening, the main lock 1 may have a configuration without the dead bolt 7. In that case, it is preferable to attach this lock | rock which has a dead bolt separately from a main lock.

１主錠
２，３ラッチ錠
４連動部材
５主錠のラッチ
６ラッチ錠２のラッチ
７デッドボルト
８ラッチ錠３のラッチ（反転式のラッチ）
１０主錠のケース
２０ラッチ錠のケース
２５ラッチ錠２の作動部材
３０主錠のラッチ作動機構
３８ハンドル
４０主錠の作動部材
４５ラッチ錠３の作動部材
５０カム
６０ラッチ錠のラッチ作動機構
６１，６２反転式のラッチ錠のラッチ作動機構
７０第１カム
８０第２カム
９０カム
Ｄ扉
Ｄ１縦部材
Ｄ２開口部 1 Main lock 2, 3 Latch lock 4 Interlocking member 5 Latch of main lock 6 Latch of latch lock 2 7 Dead bolt 8 Latch of latch lock 3 (reversed latch)
10 Main Lock Case 20 Latch Lock Case 25 Latch Lock Actuation Member 30 Main Lock Latch Actuation Mechanism 38 Handle 40 Main Lock Actuation Member 45 Latch Lock Actuation Member 50 Cam 60 Latch Lock Latch Actuation Mechanism 61, 62 Reversing type latch operating mechanism 70 First cam 80 Second cam 90 Cam D Door D1 Vertical member D2 Opening

Claims

一端を丁番などにより回動自在に枢支された扉の開放端側の中央部に取り付けた、ハンドルの回動操作により解錠するラッチを有する主錠と、前記扉の上端部と下端部のいずれか一方または両方に取り付けたラッチ錠と、前記主錠とラッチ錠とを連結した連動部材と、前記ハンドルの回動操作に連動して主錠及びラッチ錠のラッチを後退させるラッチ作動機構とを備え、閉扉時は前記主錠のラッチとラッチ錠のラッチとで同時に施錠するように設けられており、開扉時には、主錠のハンドルの回動操作によって前記主錠のラッチを解錠すると共に、前記連動部材及びラッチ作動機構を介して前記ラッチ錠のラッチを同時に解錠して開扉できるように構成してある扉錠において、
前記連動部材は、長尺状に形成され、扉の開口部内で、主錠又はラッチ錠のケースの側面部と、フロントのＬ字状に折り曲げた折曲片との間に嵌装されて、上下方向に摺動自在に設けられており、
前記主錠のラッチ作動機構は、主錠のケースに内装された、カムと作動部材とで構成され、
カムは、回動中心にハンドルの先端部を枢着すると共に、ラッチのラッチ柄に設けた作動部に当接する先端部と、作動部材を作動させるための作動部とが形成されており、
作動部材は、前記カムよりも主錠のフロント側に配置され、その作動部材の前記カムに対面する側には前記カムの作動部が係合される係合部が形成され、カムの時計方向の回動により作動部が作動部材の係合部を押動して作動部材を上動可能としてあり、
さらに、ラッチ錠のラッチ作動機構は、ラッチ錠のケースに内装された、第１カムと第２カムとからなるカムと、作動部材とで構成され、
前記カムを構成する第１カムと第２カムとは、ケースに枢軸を支点に回動自在に枢支されており、第１カムに形成した係合片が第２カムに形成した係合凹部に係合し、互いに一体的に回動可能としてあり、第１カムにはラッチのラッチ柄に設けた作動部に当接する先端部が、第２カムには作動部材の切欠部に形成した係合部に係合する先端部が設けてあると共に、第１カムと第２カムとの間にはバネが設けてあり、
作動部材は、前記カムよりもラッチ錠のフロント側に配置され、その作動部材の前記カムに対面する側には前記第２カムの先端部が係合される係合部が形成されており、上、下の連動部材の上動により、そのラッチ錠の作動部材が上動し、該作動部材に係合する第２カム及び第１カムを時計方向に回動し、第１カムの先端部がラッチを後退させラッチ錠が解錠可能にしてあることを特徴とする扉錠。 A main lock having a latch that is unlocked by a turning operation of a handle, attached to a central portion of an open end side of a door pivotally supported by a hinge or the like, and an upper end portion and a lower end portion of the door A latch lock attached to one or both of the above, an interlocking member connecting the main lock and the latch lock, and a latch operating mechanism for retracting the latches of the main lock and the latch lock in conjunction with the turning operation of the handle When the door is closed, the main lock latch and the latch lock latch are simultaneously locked. When the door is opened, the main lock latch is unlocked by rotating the handle of the main lock. In addition, in the door lock configured to be able to unlock and open the latch of the latch lock simultaneously through the interlocking member and the latch operation mechanism,
The interlocking member is formed in a long shape, and is fitted between the side portion of the case of the main lock or the latch lock and the bent piece bent into the front L-shape in the opening of the door, It is slidable in the vertical direction,
The latch operating mechanism of the main lock is composed of a cam and an operating member, which are housed in the case of the main lock,
The cam pivotally attaches the front end of the handle to the center of rotation, and is formed with a front end that contacts the operating portion provided on the latch handle of the latch, and an operating portion for operating the operating member.
The actuating member is disposed on the front side of the main lock with respect to the cam, and an engaging portion with which the actuating portion of the cam is engaged is formed on the side of the actuating member facing the cam. The actuating part pushes the engaging part of the actuating member by the rotation of
Furthermore, the latch operation mechanism of the latch lock is configured by a cam composed of a first cam and a second cam, and an operation member, which are housed in the case of the latch lock.
The first cam and the second cam constituting the cam are pivotally supported by the case so as to be rotatable about a pivot, and an engagement recess formed on the second cam by an engagement piece formed on the first cam. The first cam has a tip that contacts the operating portion provided on the latch handle of the latch, and the second cam has a notch formed on the operating member. A tip portion that engages with the joint portion is provided, and a spring is provided between the first cam and the second cam,
The actuating member is disposed on the front side of the latch lock from the cam, and an engaging portion is formed on the side of the actuating member facing the cam to be engaged with the tip of the second cam. When the upper and lower interlocking members are moved upward, the operating member of the latch lock is moved upward, and the second cam and the first cam engaged with the operating member are rotated in the clockwise direction. The door lock, wherein the latch is retracted and the latch lock can be unlocked.

一端を丁番などにより回動自在に枢支された扉の開放端側の中央部に取り付けた、ハンドルの回動操作により解錠するラッチを有する主錠と、前記扉の上端部と下端部のいずれか一方または両方に取り付けた反転式のラッチからなるラッチ錠と、前記主錠とラッチ錠とを連結した連動部材と、前記ハンドルの回動操作に連動して主錠及びラッチ錠のラッチを後退させるラッチ作動機構とを備え、閉扉時は前記主錠のラッチとラッチ錠のラッチとで同時に施錠するように設けられており、開扉時には、主錠のハンドルの回動操作によって前記主錠のラッチを解錠すると共に、前記連動部材及びラッチ作動機構を介して前記ラッチ錠のラッチを同時に解錠して開扉できるように構成してある扉錠において、
前記連動部材は、長尺状に形成され、扉の開口部内で、主錠又はラッチ錠のケースの側面部と、フロントのＬ字状に折り曲げた折曲片との間に嵌装されて、上下方向に摺動自在に設けられており、
前記主錠のラッチ作動機構は、主錠のケースに内装された、カムと作動部材とで構成され、
カムは、回動中心にハンドルの先端部を枢着すると共に、ラッチのラッチ柄に設けた作動部に当接する先端部と、作動部材を作動させるための作動部とが形成されており、
作動部材は、前記カムよりも主錠のフロント側に配置され、その作動部材の前記カムに対面する側には前記カムの作動部が係合される係合部が形成され、カムの時計方向の回動により作動部が作動部材の係合部を押動して作動部材を上動可能としてあり、
さらに、このラッチ錠のラッチ作動機構は、ラッチ錠のケースに内装されて上下方向に摺動自在に設けられた作動部材で構成され、
該作動部材には施錠部が形成されており、この施錠部が常時はラッチの突起部に係合してラッチの反転を阻止する施錠状態に保持されている一方、
主錠のハンドルをラッチが後退する方向に回動することにより、ラッチ作動機構である作動部材の上動を介して上、下の連動部材を上動し、それぞれに連結されているラッチ錠の作動部材が上動し、前記施錠部とラッチの突起部との係合が解除されてラッチの反転が可能となり、ラッチは施錠状態から解錠状態に反転してケース内に後退し、ラッチ錠が解錠可能にしてあることを特徴とする扉錠。 A main lock having a latch that is unlocked by a turning operation of a handle, attached to a central portion of an open end side of a door pivotally supported by a hinge or the like, and an upper end portion and a lower end portion of the door A latch lock composed of a reversible latch attached to one or both of the above, an interlocking member connecting the main lock and the latch lock, and a latch of the main lock and the latch lock in conjunction with the turning operation of the handle A latch actuating mechanism for retracting the main lock.When the door is closed, the main lock latch and the latch lock are simultaneously locked.When the door is opened, the main lock handle is rotated to rotate the main lock handle. In the door lock configured to unlock the latch of the lock and to be able to unlock and open the latch of the latch lock simultaneously through the interlocking member and the latch operating mechanism,
The interlocking member is formed in a long shape, and is fitted between the side portion of the case of the main lock or the latch lock and the bent piece bent into the front L-shape in the opening of the door, It is slidable in the vertical direction,
The latch operating mechanism of the main lock is composed of a cam and an operating member, which are housed in the case of the main lock,
The cam pivotally attaches the front end of the handle to the center of rotation, and is formed with a front end that contacts the operating portion provided on the latch handle of the latch, and an operating portion for operating the operating member.
The actuating member is disposed on the front side of the main lock with respect to the cam, and an engaging portion with which the actuating portion of the cam is engaged is formed on the side of the actuating member facing the cam. The actuating part pushes the engaging part of the actuating member by rotating the actuating member, and the actuating member can be moved upward.
Furthermore, the latch operating mechanism of the latch lock is configured by an operating member provided in the latch lock case and slidable in the vertical direction.
The operating member is formed with a locking portion, and this locking portion is normally held in a locked state that engages with the protrusion of the latch to prevent the latch from being reversed,
By rotating the handle of the main lock in the direction in which the latch moves backward, the upper and lower interlocking members are moved upward through the upward movement of the operation member that is the latch operation mechanism, and the latch locks connected to each of them are moved. The actuating member moves upward, the engagement between the locking portion and the protrusion of the latch is released, and the latch can be reversed. The latch is reversed from the locked state to the unlocked state and retracted into the case. A door lock characterized in that can be unlocked.

連動部材は、扉の開口部内で、主錠およびラッチ錠のケースのフロントと扉の縦部材の間に、上下方向に摺動自在に設けてある請求項１に記載の扉錠。 2. The door lock according to claim 1, wherein the interlocking member is slidable in the vertical direction between the front of the case of the main lock and the latch lock and the vertical member of the door in the opening of the door.

前記主錠は、ラッチと本締用のデッドボルトとを有することを特徴とする請求項１から請求項３までのいずれかに記載の扉錠。 The door lock according to any one of claims 1 to 3, wherein the main lock includes a latch and a dead bolt for final tightening.