JP2008202345A - Drop lock - Google Patents

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JP2008202345A
JP2008202345A JP2007041139A JP2007041139A JP2008202345A JP 2008202345 A JP2008202345 A JP 2008202345A JP 2007041139 A JP2007041139 A JP 2007041139A JP 2007041139 A JP2007041139 A JP 2007041139A JP 2008202345 A JP2008202345 A JP 2008202345A
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locking
lock
slide plate
plate
unlocking
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JP4989989B2 (en
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Sumihiro Kuchino
純洋 口野
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Miwa Lock KK
Miwa Lock Co Ltd
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Miwa Lock KK
Miwa Lock Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a drop lock which enables a lock part to be freely designed with strength, a size, and a position which can control the movement of heavy-mass actuating parts. <P>SOLUTION: The drop lock 100 performs locking and unlocking by inserting or removing an engagement rod 23 into or from an engagement concavity 29 by moving the engagement rod 23 up and down. The drop lock 100 is provided with a slide plate 37, a slide rack 31, a main control plate 53, a locking/unlocking shaft 19a, and a sub-control plate 43. The slide plate 37 provided in a lock box moves up and down by being driven by the rotation of a bar handle 21, and the slide rack 31 to which the engagement rod is drooped and provided is moved in the up-and-down direction opposite to the slide plate by being engaged with the slide plate through a gear wheel. The main control plate 53 provided at the lock box with flexible swinging controls the descent of the slide plate in one direction of the swinging, and releases the control in the other direction of the swinging. Then the locking/unlocking shaft 19a penetrating the lock box is provided with flexible rotation, and a locking/unlocking operation means 19 is connected to the end of the locking/unlocking shaft 19a. The sub-control plate 43 provided at the locking/unlocking shaft prevents the swing of the main control plate in the other direction of the swing in the rotation position of the locking/unlocking operation means 19 in the locking direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、上下移動させる係止ロッドを係止凹部に挿入又は抜脱して施解錠を可能とする落し錠に関する。   The present invention relates to a lock that enables locking and unlocking by inserting or removing a locking rod that moves up and down into a locking recess.

被着体である例えば門扉には、開閉端側の下部に、係止ロッドを下方へ突出自在に設け、地面に設けた係止凹部にこの係止ロッド先端を挿入することで、扉を施錠可能とする落し錠や、グレモン錠（例えば特許文献１参照）が取り付けられることがある。この種の落し錠は、錠箱に昇降自在なスライドラックを内蔵する。スライドラックは、扉に回動自在に設けられたレバーハンドルの回動操作に従動して昇降自在となり、且つ上記した係止ロッドを螺合などにより突出長さ調整自在に連結している。   For example, a gate, which is an adherend, is provided with a locking rod that protrudes downward in the lower part of the opening / closing end side, and the locking rod is inserted into a locking recess provided on the ground to lock the door. There are cases where a lock and a gremon lock (see, for example, Patent Document 1) are attached. This type of lock has a slide rack that is movable up and down in a lock box. The slide rack can be moved up and down by following a turning operation of a lever handle provided rotatably on the door, and the above-described locking rod is connected so as to be adjustable in protruding length by screwing or the like.

したがって、レバーハンドルが操作され、スライドラックが昇降されると、これに伴って係止ロッドも昇降され、係止ロッドの下端部が、地面に設けられた係止凹部に対して抜脱又は挿入され、扉が解錠又は施錠される。落し錠は、特に門扉などに取り付けられた場合、防犯上施錠（施錠状態にロック）可能であることが好ましい。一般に扉の施解錠では木口より進退させるデッドボルトを、建具枠側のストライクに挿抜させ、その進退をシリンダ錠による施解錠操作によって可能としている。つまり、合鍵によりシリンダ錠が回転操作されれば、デッドボルトを後退させる解錠が可能となった。
特開２００２−４７８４１号公報 Therefore, when the lever handle is operated and the slide rack is raised and lowered, the locking rod is also raised and lowered, and the lower end of the locking rod is pulled out or inserted into the locking recess provided on the ground. And the door is unlocked or locked. In particular, when the lock is attached to a gate or the like, it is preferable that the lock can be locked for locking (locked in a locked state). Generally, in door locking / unlocking, a dead bolt that is advanced / retracted from the end of the door is inserted into / removed from a strike on the joinery frame side, and the advance / retreat is enabled by a locking / unlocking operation using a cylinder lock. That is, when the cylinder lock is rotated by the key, the unlocking can be performed to retract the dead bolt.
JP 2002-47841 A

門扉などに設けられる落し錠は、その施錠係合手段として係止ロッドを備える。この係止ロッドは、上記したスライドラックなどに連結されて昇降作動されることにより、地面などの係止凹部に対して進退される。落し錠は、係止ロッドの昇降動作を規制することにより施錠状態とすることが可能となるが、通常のデッドボルトの進退に比べ、作動部材の質量が大きくなるため、例えば門扉などに取り付けられた場合、扉を揺するなどして振動、衝撃を加えることにより、作動部材の慣性力によって施錠部品（ロック部品）の施錠状態が解除される虞があった。また、門扉にシリンダ錠を設けた場合、シリンダ錠の回動出力部材に直結する施解錠軸に、直接スライドラックの昇降を規制する規制部材を設けても、作動部材の質量が大きいため、昇降を規制し得る強度、大きさ、位置で規制部材を形成し難い問題があった。   A lock provided on a gate door or the like includes a locking rod as its locking engagement means. The locking rod is moved up and down with respect to a locking recess such as the ground by being connected to the slide rack or the like and moved up and down. The lock can be locked by restricting the lifting and lowering operation of the locking rod, but the mass of the operating member is larger than that of a normal dead bolt, so it can be attached to a gate, for example. In this case, there is a possibility that the locked state of the locking part (locking part) is released by the inertial force of the actuating member by applying vibration or impact by shaking the door. In addition, when a cylinder lock is provided on the gate, even if a locking member that directly controls the lifting / lowering of the slide rack is provided on the locking / unlocking shaft directly connected to the rotation output member of the cylinder lock, There is a problem that it is difficult to form a regulating member with strength, size, and position that can regulate the thickness.

本発明は上記状況に鑑みてなされたもので、質量の大きい作動部品を動作規制し得る強度、大きさ、位置でロック部品が自由に設計可能となる落し錠を提供し、もって、被着体を揺するなどの不正解錠行為に対する施錠信頼性の向上を図ることを目的とする。   The present invention has been made in view of the above situation, and provides a lock that allows a lock part to be freely designed at a strength, size, and position capable of restricting the operation of a large-mass working part. The purpose is to improve the locking reliability against unauthorized unlocking actions such as shaking.

次に、上記の課題を解決するための手段を、実施の形態に対応する図面を参照して説明する。
本発明の請求項１記載の落し錠は、係止ロッド２３を上下移動させることにより係止凹部２９に挿入又は抜脱して施解錠する落し錠１００であって、
錠箱１７に内設されレバーハンドル２１の回動に従動して上下移動するスライド板３７と、
前記係止ロッド２３を垂設するとともに該スライド板３７に歯車７１，７３を介して噛合することで該スライド板３７と上下逆移動されるスライドラック３１と、
前記錠箱１７に揺動自在に設けられ揺動方向の一方で前記スライド板３７の下降を規制するとともに揺動方向の他方で該規制を解除する主規制板５３と、
前記錠箱１７を貫通して回動自在に設けられ端部に施解錠操作手段１９の連結される施解錠軸１９ａと、
該施解錠軸１９ａに設けられ前記施解錠操作手段１９の施錠方向の回転位置で前記主規制板５３の他方の揺動方向への揺動を阻止する副規制板４３と、
を具備したことを特徴とする。 Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The lock according to claim 1 of the present invention is a lock 100 that is inserted into or removed from the locking recess 29 by moving the locking rod 23 up and down, and unlocked.
A slide plate 37 provided in the lock box 17 and moving up and down following the rotation of the lever handle 21;
A slide rack 31 that is vertically moved backward with respect to the slide plate 37 by vertically suspending the locking rod 23 and meshing with the slide plate 37 via gears 71 and 73;
A main restricting plate 53 provided in the lock box 17 so as to be swingable and restricting the lowering of the slide plate 37 in one swinging direction and releasing the restriction in the other swinging direction;
A locking / unlocking shaft 19a that is rotatably provided through the lock box 17 and is connected to the locking / unlocking operation means 19 at the end;
A sub-regulating plate 43 provided on the locking / unlocking shaft 19a for preventing the main regulating plate 53 from swinging in the other swinging direction at the rotational position of the locking / unlocking operation means 19;
It is characterized by comprising.

この落し錠では、係止ロッド２３を係止凹部２９へ挿入させるスライド板３７の上端移動位置（すなわち、施錠位置）において、主規制板（ロック部品）５３がスライド板３７に係止して、その下降が規制されるとともに、さらに副規制板４３が主規制板５３に当接して、主規制板５３の規制解除方向への揺動が阻止される。つまり、ロック構造が、スライド板３７の下降を規制する主規制板５３と、この主規制板５３の規制解除を阻止する副規制板４３との２部材より構成される。これにより、施解錠軸１９ａに設けられた１部材で直接スライド板３７の下降が規制される構造に比べ、主規制板５３が、スライド板３７の下降阻止専用の強度、大きさ、位置で構成可能となる。すなわち、主規制板５３の設計自由度が高まる。   In this lock, the main restricting plate (lock component) 53 is engaged with the slide plate 37 at the upper end movement position (that is, the locking position) of the slide plate 37 for inserting the engagement rod 23 into the engagement recess 29. The lowering is regulated, and the sub-regulating plate 43 is further brought into contact with the main regulating plate 53 to prevent the main regulating plate 53 from swinging in the regulation releasing direction. That is, the lock structure is composed of two members: a main restriction plate 53 that restricts the lowering of the slide plate 37 and a sub restriction plate 43 that prevents the restriction of the main restriction plate 53 from being released. As a result, the main restricting plate 53 has a strength, size, and position dedicated to preventing the slide plate 37 from being lowered, compared to a structure in which the slide plate 37 is prevented from being lowered directly by one member provided on the locking / unlocking shaft 19a. It becomes possible. That is, the degree of freedom in designing the main regulating plate 53 is increased.

請求項２記載の落し錠は、前記主規制板５３によって下降が規制された前記スライド板３７によって、該スライド板３７にリンク接合された前記レバーハンドル２１の回動が規制されることを特徴とする。   The lock according to claim 2 is characterized in that the rotation of the lever handle 21 linked to the slide plate 37 is restricted by the slide plate 37 whose lowering is restricted by the main restriction plate 53. To do.

この落し錠では、施解錠操作手段１９が施錠に操作されると、副規制板４３が主規制板５３を押圧して規制位置へと揺動させ、その結果、スライド板３７の下降が規制される。移動規制されたスライド板３７によって、リンク接続されたレバーハンドル２１の回動操作も不能となる。   In this lock, when the locking / unlocking operation means 19 is operated to lock, the sub-regulating plate 43 presses the main regulating plate 53 and swings to the regulating position, and as a result, the lowering of the slide plate 37 is regulated. The The movement-restricted slide plate 37 also makes it impossible to rotate the lever handle 21 linked to the link.

請求項３記載の落し錠は、前記スライド板３７が、前記錠箱１７とに渡って配設された付勢手段６７によって上下移動端のいずれかに付勢配置されることを特徴とする。   The lock according to claim 3 is characterized in that the slide plate 37 is urged and arranged at one of the vertically moving ends by an urging means 67 arranged over the lock box 17.

この落し錠では、スライド板３７が上方移動端へ配置され、係止ロッド２３が係止凹部２９へ挿入される施錠状態では、付勢手段６７を介して付勢されるスライド板３７により係止ロッド２３が係止凹部挿入方向へ付勢される。また、スライド板３７が下方移動端へ配置され、係止ロッド２３が係止凹部２９から抜脱される解錠状態では、付勢手段６７を介して付勢されるスライド板３７により係止ロッド２３が係止凹部２９から離反した上昇位置に保持される。   In this lock, the slide plate 37 is disposed at the upper moving end, and in the locked state where the locking rod 23 is inserted into the locking recess 29, the slide plate 37 is locked by the slide plate 37 biased via the biasing means 67. The rod 23 is biased in the locking recess insertion direction. Further, in the unlocked state where the slide plate 37 is disposed at the lower moving end and the locking rod 23 is removed from the locking recess 29, the locking plate is biased by the slide plate 37 biased through the biasing means 67. 23 is held at the raised position away from the locking recess 29.

本発明に係る請求項１記載の落し錠によれば、レバーハンドルに従動して上下移動するスライド板と、係止ロッドを垂設するとともに歯車を介しスライド板と上下逆移動されるスライドラックと、揺動方向の一方でスライド板の下降を規制するとともに他方で規制を解除する主規制板と、施解錠軸に設けられ施解錠操作手段の施錠方向の回転位置で主規制板の他方の揺動方向への揺動を阻止する副規制板とを備えたので、係止ロッドを係止凹部へ挿入させるスライド板の上端移動位置において、主規制板がスライド板に係止してその下降を規制するとともに、さらに副規制板が主規制板に当接して主規制板の規制解除方向への揺動を阻止する。つまり、ロック構造が、スライド板の下降を規制する主規制板と、この主規制板の規制解除を阻止する副規制板との２部材より構成される。これにより、施解錠軸に設けられた１部材で直接スライド板の下降を規制する構造に比べ、主規制板を、スライド板の下降阻止専用の強度、大きさ、位置で構成でき、スライド板を高い信頼性で下降規制できる。この結果、落し錠の被着体である扉を揺するなどの不正解錠行為に対する施錠信頼性を向上させることができる。   According to the lock of the first aspect of the present invention, a slide plate that moves up and down following the lever handle, a slide rack that is vertically suspended from the slide plate via a gear while hanging the locking rod. A main restricting plate that restricts the lowering of the slide plate in one of the swinging directions and releases the restriction on the other, and a swing of the other of the main restricting plate at the rotational position of the locking / unlocking operating means provided on the locking / unlocking shaft And a secondary restricting plate that prevents swinging in the movement direction, so that the main restricting plate is locked to the slide plate at the upper end movement position of the slide plate for inserting the lock rod into the lock recess, and the lowering is performed. In addition to the regulation, the sub-regulation plate abuts against the main regulation plate to prevent the main regulation plate from swinging in the regulation release direction. That is, the lock structure is composed of two members: a main restriction plate that restricts the lowering of the slide plate, and a sub restriction plate that prevents the restriction of the main restriction plate from being released. This makes it possible to configure the main restricting plate with the strength, size, and position dedicated to preventing the slide plate from descending, compared to a structure that directly restricts the descending of the slide plate with one member provided on the locking / unlocking shaft. Lowering can be regulated with high reliability. As a result, it is possible to improve the locking reliability against an unauthorized unlocking action such as shaking the door which is the adherend of the lock.

請求項２記載の落し錠によれば、主規制板によって下降が規制されたスライド板によって、スライド板にリンク接合されたレバーハンドルの回動が規制されるので、施解錠操作手段が施錠に操作されると、スライド板の下降が規制され、その結果、移動規制されたスライド板によってレバーハンドルの回動操作も不能となり、レバーハンドル回動操作の可否によって施解錠の有無が容易に把握可能となる。   According to the lock of the second aspect, since the rotation of the lever handle linked to the slide plate is restricted by the slide plate whose lowering is restricted by the main restriction plate, the locking / unlocking operation means is operated to lock. As a result, the lowering of the slide plate is restricted, and as a result, the lever plate cannot be rotated by the movement-restricted slide plate, and the presence / absence of locking / unlocking can be easily grasped by whether the lever handle can be turned. Become.

請求項３記載の落し錠によれば、スライド板が、錠箱とに渡って配設された付勢手段によって上下移動端のいずれかに付勢配置されるので、スライド板が上方移動端へ配置され、係止ロッドが係止凹部へ挿入される施錠状態では、付勢手段を介して付勢されるスライド板により係止ロッドが係止凹部挿入方向へ付勢され、振動などによっても係止ロッドが容易に係止解除されなくなる。また、スライド板が下方移動端へ配置され、係止ロッドが係止凹部から抜脱される解錠状態では、付勢手段を介して付勢されるスライド板により係止ロッドが係止凹部から離反した上昇位置に保持され、被着体である扉が開閉されても、扉から係止ロッドが垂下して地面に接触することがない。   According to the lock of the third aspect, since the slide plate is urged and arranged at one of the vertical movement ends by the urging means arranged over the lock box, the slide plate is moved to the upper movement end. In the locked state in which the locking rod is inserted into the locking recess, the locking rod is biased in the locking recess insertion direction by the slide plate biased through the biasing means, and is also engaged by vibration or the like. The stop rod is not easily unlocked. In the unlocked state where the slide plate is disposed at the lower moving end and the lock rod is removed from the lock recess, the lock rod is moved from the lock recess by the slide plate biased through the biasing means. Even if the door, which is the adherend, is opened and closed while being held away from the raised position, the locking rod does not hang down from the door and contact the ground.

以下、本発明に係る落し錠の好適な実施の形態を図面を参照して詳細に説明する。
図１は本発明に係る落し錠の備えられた門扉の正面図である。
本実施の形態による落し錠１００は、例えば門柱１１にヒンジ１３を介して開閉自在に取り付けられた門扉１５の落し錠１００に好適に用いられる。落し錠１００は、下方向にスライドして突出する係止ロッド２３を備える。係止ロッド２３は、地面２５に設けられる係止凹部２９に、先端の係止杆２３ａが挿入されることで、門扉１５の開動を規制、すなわち閉扉となり、さらに施錠となる。係止凹部２９は、地面２５に挿嵌されるキャップ状部品２７に形成されている。 Hereinafter, preferred embodiments of a lock according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a front view of a gate provided with a lock according to the present invention.
The lock 100 according to the present embodiment is preferably used for the lock 100 of the gate 15 that is attached to the gate column 11 via a hinge 13 so as to be freely opened and closed. The lock 100 includes a locking rod 23 that slides downward and protrudes. When the locking rod 23 is inserted into a locking recess 29 provided on the ground 25, the locking rod 23 a at the tip is inserted, thereby restricting the opening of the gate 15, that is, closing the door, and further locking. The locking recess 29 is formed in a cap-shaped component 27 that is inserted into the ground 25.

落し錠１００は、錠箱１７を門扉１５に内蔵してなる。錠箱１７にはシリンダ錠１９，不図示のサムターン、レバーハンドル２１が設けられ、シリンダ錠１９は門扉１５の表面に表出する。不図示のサムターンは門扉１５の裏面に表出し、レバーハンドル２１は門扉１５の表裏面で回動自在となって表出する。落し錠１００は、レバーハンドル２１の回転に従動して上下移動されるスライドラック３１を有する。スライドラック３１には連結ブロック３３が固定され、連結ブロック３３は上記の係止ロッド２３を所望の突出長に調整可能に且つ緩みを生じさせることなく連結する。   The lock 100 has a lock box 17 built in the gate 15. The lock box 17 is provided with a cylinder lock 19, a thumb turn (not shown), and a lever handle 21, and the cylinder lock 19 is exposed on the surface of the gate door 15. A thumb turn (not shown) is exposed on the back surface of the gate 15, and the lever handle 21 is exposed on the front and back surfaces of the gate 15 so as to be rotatable. The lock 100 has a slide rack 31 that is moved up and down following the rotation of the lever handle 21. A connecting block 33 is fixed to the slide rack 31, and the connecting block 33 connects the locking rod 23 to a desired projecting length without being loosened.

図２は図１に示した錠箱内部の側面図である。
スライドラック３１にはラック３１ａが形成され、ラック３１ａは落し錠１００の後述する歯車に噛合する。スライドラック３１の下部には上記の連結ブロック３３が固定され、連結ブロック３３はスライドラック３１と一体に上下移動される。連結ブロック３３には係止ロッド２３の雄ネジ２３ａが螺合される。 FIG. 2 is a side view of the inside of the lock box shown in FIG.
A rack 31 a is formed on the slide rack 31, and the rack 31 a meshes with a later-described gear of the lock 100. The connecting block 33 is fixed to the lower part of the slide rack 31, and the connecting block 33 is moved up and down integrally with the slide rack 31. A male screw 23 a of the locking rod 23 is screwed into the connecting block 33.

錠箱１７には固定用のフランジ１７ａが上下に設けられ、フランジ１７ａはネジ３５によって門扉１５の戸先板に螺着される。錠箱１７の略中央にはレバーハンドル軸２１ａが回動自在に設けられ、レバーハンドル軸２１ａの両端には扉面で回動自在となるレバーハンドル２１が固定される。   The lock box 17 is provided with a fixing flange 17 a at the top and bottom, and the flange 17 a is screwed to the door plate of the gate 15 with a screw 35. A lever handle shaft 21a is rotatably provided in the approximate center of the lock box 17, and a lever handle 21 that is rotatable on the door surface is fixed to both ends of the lever handle shaft 21a.

図３は図２の要部拡大図、図４は図３の要部分解斜視図である。
レバーハンドル軸２１ａの錠箱１７内にはカム板３９の角穴３９ａが固定され、カム板３９は先端のピン穴３９ｂに係合ピン４１を嵌着している。錠箱１７内にはスライド板３７が上下移動自在に設けられ、スライド板３７は係合穴３７ｂに係合ピン４１を係合することでレバーハンドル２１の回動に従動して昇降される。 3 is an enlarged view of the main part of FIG. 2, and FIG. 4 is an exploded perspective view of the main part of FIG.
A square hole 39a of the cam plate 39 is fixed in the lock box 17 of the lever handle shaft 21a, and the cam plate 39 has an engagement pin 41 fitted in a pin hole 39b at the tip. A slide plate 37 is provided in the lock box 17 so as to be movable up and down. The slide plate 37 is moved up and down as the lever handle 21 is rotated by engaging the engagement pin 41 with the engagement hole 37b.

スライド板３７は、下部の長穴３７ｃに錠箱側ガイドピン６５を係合させて昇降がガイドされる。スライド板３７の凸部には図４に示すピン穴３７ｅが穿設され、ピン穴３７ｅはバネピン６３を嵌入する。錠箱側ガイドピン６５とバネピン６３との間には付勢手段である保持バネ６７が配設され、保持バネ６７はスライド板３７を上下移動端のいずれかに付勢配置する。   The slide plate 37 is guided up and down by engaging the lock box side guide pin 65 in the lower slot 37c. A pin hole 37e shown in FIG. 4 is formed in the convex portion of the slide plate 37, and the spring pin 63 is inserted into the pin hole 37e. A holding spring 67 as an urging means is disposed between the lock box side guide pin 65 and the spring pin 63, and the holding spring 67 urges and arranges the slide plate 37 at one of the vertically moving ends.

スライド板３７は、長穴３７ｃの下端が錠箱側ガイドピン６５に当接することで上昇が阻止される。カム板３９は、錠箱１７に突設されたストッパピン６１に当接することでそれ以上の時計回りの回転が阻止される。これにより、レバーハンドル２１は、略９０°の範囲で回動角度が規制されるようになっている。   The slide plate 37 is prevented from rising when the lower end of the long hole 37 c abuts against the lock box side guide pin 65. The cam plate 39 abuts against a stopper pin 61 projecting from the lock box 17, thereby preventing further clockwise rotation. Thereby, the rotation angle of the lever handle 21 is regulated within a range of approximately 90 °.

錠箱１７には施解錠操作手段であるシリンダ錠１９等に連結される施解錠軸１９ａが回動自在に設けられている。施解錠軸１９ａは一端に扉表面のシリンダ錠１９が連結され、他端に扉裏面のサムターン摘みが連結される。錠箱１７内における施解錠軸１９ａには副規制板であるダルマ４３が固定され、ダルマ４３は錠箱１７内に起立した一対の凸部４９，５１に当接することで、施解錠軸１９ａの回転角度を略９０°の範囲に規制する。ダルマ４３には突座４３ａが形成され、突座４３ａは支持軸４５によって支持された付勢バネ４７の一端に押圧され、これにより回転範囲の何れか一方に付勢配置される。   The lock box 17 is rotatably provided with a locking / unlocking shaft 19a connected to a cylinder lock 19 or the like as locking / unlocking operation means. The locking / unlocking shaft 19a has one end connected to the cylinder lock 19 on the door surface and the other end connected to the thumb turn knob on the back of the door. A dharma 43, which is a sub-regulatory plate, is fixed to the locking / unlocking shaft 19a in the lock box 17, and the dharma 43 abuts against a pair of projecting portions 49, 51 raised in the lock box 17, so that the locking / unlocking shaft 19a The rotation angle is restricted to a range of approximately 90 °. A protrusion 43a is formed in the dharma 43, and the protrusion 43a is pressed against one end of an urging spring 47 supported by the support shaft 45, and is thereby urged and arranged in one of the rotation ranges.

ダルマ４３の外周には略三角形状の押圧突起４３ｂが突設され、押圧突起４３ｂは後述の主規制板であるロッキングボード（ロック部品）５３を押圧する。   A substantially triangular pressing protrusion 43b protrudes from the outer periphery of the dharma 43, and the pressing protrusion 43b presses a locking board (locking component) 53, which is a main regulating plate described later.

スライド板３７には上下に歯部を並設したラック３７ａが形成される。錠箱１７には支軸６９によって小歯車７３が回動自在に支持され、小歯車７３はラック３７ａに噛合している。小歯車７３には一体回転する大歯車７１が設けられ、大歯車７１はスライドラック３１のラック３１ａに噛合している。スライドラック３１は、ラック３１ａの形成される縦杆部３１ｂに上下に長い長穴３１ｃが形成され、この長穴３１ｃが門扉１５の内部に設けられたガイド部３５ａに案内される。   The slide plate 37 is formed with a rack 37a in which teeth are arranged in the vertical direction. A small gear 73 is rotatably supported on the lock box 17 by a support shaft 69, and the small gear 73 meshes with a rack 37a. The small gear 73 is provided with a large gear 71 that rotates integrally. The large gear 71 meshes with the rack 31 a of the slide rack 31. In the slide rack 31, a long hole 31 c that is long in the vertical direction is formed in the vertical flange part 31 b in which the rack 31 a is formed, and the long hole 31 c is guided to a guide part 35 a provided inside the gate door 15.

落し錠１００は、レバーハンドル２１が回動操作されると、スライド板３７が上下移動され、これに伴って小歯車７３及び大歯車７１が回転し、大歯車７１に噛合するスライドラック３１が従動して上下移動され、係止ロッド２３の係止杆２３ａが係止凹部２９に対して抜脱又は挿入される。つまり、スライドラック３１は、スライド板３７と上下逆移動される。   In the lock 100, when the lever handle 21 is rotated, the slide plate 37 is moved up and down, and the small gear 73 and the large gear 71 are rotated accordingly, and the slide rack 31 meshing with the large gear 71 is driven. Then, the locking rod 23a of the locking rod 23 is pulled out or inserted into the locking recess 29. That is, the slide rack 31 is moved upside down with respect to the slide plate 37.

錠箱１７内には上記した主規制板であるロッキングボード５３が支軸５５に揺動自在に設けられ、ロッキングボード５３は揺動方向の一方でスライド板３７の下降を規制するとともに揺動方向の他方でこの規制を解除する。ロッキングボード５３は、上端に移動したスライド板３７の係止部３７ｄに係止して、スライド板３７の下方向への移動を規制する（図３の状態参照）。つまり、係止凹部２９に対する係止杆２３ａの抜脱を規制する。ロッキングボード５３は、一端が支軸５９に当接された付勢バネ５７によって図３の反時計回りに付勢される。   In the lock box 17, the locking board 53, which is the main restriction plate, is swingably provided on the support shaft 55, and the locking board 53 restricts the lowering of the slide plate 37 in one of the swing directions and the swing direction. On the other hand, this restriction is lifted. The locking board 53 is locked to the locking portion 37d of the slide plate 37 moved to the upper end and restricts the downward movement of the slide plate 37 (see the state of FIG. 3). That is, the removal of the locking rod 23a from the locking recess 29 is restricted. The locking board 53 is biased counterclockwise in FIG. 3 by a biasing spring 57 whose one end is in contact with the support shaft 59.

また、このロッキングボード５３の係止解除方向の回転（図３の反時計回りの回転）は、上記したダルマ４３の押圧突起４３ｂによって規制される。すなわち、ダルマ４３は、施解錠操作手段の施錠方向の回転位置で、ロッキングボード５３の他方の揺動方向への揺動を阻止する。つまり、スライド板３７の下降は、ロッキングボード５３と、このロッキングボード５３を規制するダルマ４３とによって二段階でロックされるようになっている。   Further, the rotation of the locking board 53 in the unlocking direction (counterclockwise rotation in FIG. 3) is restricted by the pressing protrusion 43b of the dharma 43 described above. That is, the dharma 43 prevents the locking board 53 from swinging in the other swinging direction at the rotational position in the locking direction of the locking / unlocking operation means. That is, the lowering of the slide plate 37 is locked in two stages by the locking board 53 and the dharma 43 that regulates the locking board 53.

落し錠１００では、施解錠操作手段が施錠に操作されると、ダルマ４３がロッキングボード５３を押圧して規制位置へと揺動させ、その結果、スライド板３７の下降が規制される。これにより、移動規制されたスライド板３７によって、リンク接続されたレバーハンドル２１の回動操作も不能となることから、レバーハンドル回動操作の可否によって施解錠の有無が容易に把握可能となっている。   In the lock 100, when the locking / unlocking operation means is operated to lock, the dharma 43 presses the locking board 53 to swing to the restricting position, and as a result, the lowering of the slide plate 37 is restricted. As a result, the rotation of the linked lever handle 21 is disabled by the movement-restricted slide plate 37, so that the presence or absence of locking / unlocking can be easily grasped depending on whether or not the lever handle can be rotated. Yes.

次に、落し錠１００の作用を説明する。
図５は解錠時のロッド係止状態における錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。
シリンダ錠１９の施錠されていない解錠時のロッド係止状態では、スライド板３７が上端位置に移動され、スライドラック３１が下端位置に配置されることで、係止ロッド２３が係止凹部２９に挿入され、扉の開閉が規制される。この状態で、ロッキングボード５３は、付勢バネ５７によってスライド板３７との係合位置から退避する方向へ回転配置されている。 Next, the operation of the lock 100 will be described.
FIG. 5 is an operation explanatory view showing the lock box in the rod locking state at the time of unlocking (a) and the lever handle and the locking rod in (b).
In the rod locking state when the cylinder lock 19 is not locked, the slide plate 37 is moved to the upper end position, and the slide rack 31 is disposed at the lower end position, so that the locking rod 23 is locked to the locking recess 29. The opening and closing of the door is restricted. In this state, the locking board 53 is rotated and arranged in a direction to retract from the position of engagement with the slide plate 37 by the biasing spring 57.

図６はロッド挿入前又は抜脱後の錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。
レバーハンドル２１が回転されると、スライド板３７が下降され、小歯車７３及び大歯車７１を介してスライドラック３１が上昇される。これにより、係止ロッド２３が係止凹部２９から抜脱され、門扉１５の開動が可能となる。 FIG. 6 is an operation explanatory view showing the lock box before insertion or removal of the rod in (a), and the lever handle and the locking rod in (b).
When the lever handle 21 is rotated, the slide plate 37 is lowered, and the slide rack 31 is raised via the small gear 73 and the large gear 71. As a result, the locking rod 23 is removed from the locking recess 29, and the gate 15 can be opened.

図７は解錠時のロッド抜脱状態における錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。
レバーハンドル２１が完全にロッド係止解除方向へ回転されると、スライドラック３１が下端に配置され、保持バネ６７によってその位置で保持される。つまり、係止ロッド２３が上昇した位置に保持される。 FIG. 7 is an operation explanatory view showing the lock box in a state where the rod is removed at the time of unlocking, and (a) showing the lever handle and the locking rod.
When the lever handle 21 is completely rotated in the rod locking release direction, the slide rack 31 is disposed at the lower end and is held at that position by the holding spring 67. That is, the locking rod 23 is held at the raised position.

図８は施錠時のロッド係止状態における錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。
門扉１５が閉止され、レバーハンドル２１が回動されて係止ロッド２３が係止凹部２９に挿入された状態において、シリンダ錠１９又はサムターン摘みが施錠操作されると、施解錠軸１９ａが反時計回りに回転され、押圧突起４３ｂがロッキングボード５３の上面を押圧する。押圧されたロッキングボード５３は、時計回りに回転されることで、上端配置されたスライド板３７の係止部３７ｄに係止し、スライド板３７の下降を確実に阻止する。 FIG. 8 is an operation explanatory view showing the lock box in the locked state of the rod at the time of locking (a) and the lever handle and the locking rod in (b).
If the cylinder lock 19 or thumb turn knob is locked in a state where the gate 15 is closed, the lever handle 21 is rotated and the locking rod 23 is inserted into the locking recess 29, the locking / unlocking shaft 19a is counterclockwise. The pressing protrusion 43 b presses the upper surface of the locking board 53. When the pressed locking board 53 is rotated clockwise, the locking board 53 is locked to the locking portion 37d of the slide plate 37 disposed at the upper end, thereby reliably preventing the slide plate 37 from descending.

このように落し錠１００では、係止ロッド２３を係止凹部２９へ挿入させるスライド板３７の上端移動位置（すなわち、施錠位置）において、ロッキングボード５３がスライド板３７に係止して、その下降が規制されるとともに、さらにダルマ４３がロッキングボード５３に当接して、ロッキングボード５３の規制解除方向への揺動が阻止される。つまり、ロック構造が、スライド板３７の下降を規制するロッキングボード５３と、このロッキングボード５３の規制解除を阻止するダルマ４３との２部材より構成される。これにより、施解錠軸１９ａに設けられた１部材で直接スライド板３７の下降が規制される構造に比べ、ロッキングボード５３が、スライド板３７の下降阻止専用の強度、大きさ、位置で構成可能となる。すなわち、ロッキングボード５３の設計自由度が高まる。   As described above, in the lock 100, the locking board 53 is locked to the slide plate 37 at the upper end movement position (that is, the locking position) of the slide plate 37 for inserting the locking rod 23 into the locking recess 29, and lowered. And the dharma 43 further abuts against the locking board 53, and the rocking board 53 is prevented from swinging in the restriction release direction. That is, the lock structure is composed of two members: a locking board 53 that restricts the lowering of the slide plate 37 and a dharma 43 that prevents the restriction of the locking board 53 from being released. As a result, the locking board 53 can be configured with the strength, size, and position dedicated to preventing the slide plate 37 from being lowered, compared to a structure in which the slide plate 37 is prevented from descending directly by one member provided on the locking / unlocking shaft 19a. It becomes. That is, the degree of freedom in designing the locking board 53 is increased.

また、スライド板３７が上方移動端へ配置され、係止ロッド２３が係止凹部２９へ挿入される施錠状態では、保持バネ６７を介して付勢されるスライド板３７により係止ロッド２３が係止凹部２９の挿入方向へ付勢される。また、スライド板３７が下方移動端へ配置され、係止ロッド２３が係止凹部２９から抜脱される解錠状態では、保持バネ６７を介して付勢されるスライド板３７により係止ロッド２３が係止凹部２９から離反した上昇位置に保持される。   Further, in a locked state where the slide plate 37 is disposed at the upward movement end and the lock rod 23 is inserted into the lock recess 29, the lock rod 23 is engaged by the slide plate 37 biased via the holding spring 67. It is biased in the insertion direction of the stop recess 29. In the unlocked state where the slide plate 37 is disposed at the lower movement end and the locking rod 23 is removed from the locking recess 29, the locking rod 23 is urged by the slide plate 37 biased via the holding spring 67. Is held at the raised position separated from the locking recess 29.

したがって、上記の落し錠１００によれば、レバーハンドル２１に従動して上下移動するスライド板３７と、係止ロッド２３を垂設するとともに小歯車７３及び大歯車７１を介しスライド板３７と上下逆移動されるスライドラック３１と、揺動方向の一方でスライド板３７の下降を規制するとともに他方で規制を解除するロッキングボード５３と、施解錠軸１９ａに設けられ施解錠操作手段の施錠方向の回転位置でロッキングボード５３の他方の揺動方向への揺動を阻止するダルマ４３とを備えたので、係止ロッド２３を係止凹部２９へ挿入させるスライド板３７の上端移動位置において、ロッキングボード５３がスライド板３７に係止してその下降を規制するとともに、さらにダルマ４３がロッキングボード５３に当接してロッキングボード５３の規制解除方向への揺動を阻止する。   Therefore, according to the lock 100 described above, the slide plate 37 that moves up and down following the lever handle 21 and the locking rod 23 are suspended, and the slide plate 37 is turned upside down via the small gear 73 and the large gear 71. The slide rack 31 to be moved, the locking board 53 for restricting the lowering of the slide plate 37 in one of the swing directions and releasing the restriction on the other, and the rotation in the locking direction of the locking / unlocking operating means provided on the locking / unlocking shaft 19a. The locking board 53 is provided with a dharma 43 that prevents the locking board 53 from swinging in the other swinging direction, so that the locking board 53 is inserted at the upper end movement position of the slide plate 37 for inserting the locking rod 23 into the locking recess 29. Is locked to the slide plate 37 to restrict its lowering, and further, the dharma 43 abuts against the locking board 53 to lock the locking board. 53 prevents the swinging of the deregulation direction.

つまり、ロック構造が、スライド板３７の下降を規制するロッキングボード５３と、このロッキングボード５３の規制解除を阻止するダルマ４３との２部材より構成される。これにより、施解錠軸１９ａに設けられた１部材で直接スライド板３７の下降を規制する構造に比べ、ロッキングボード５３を、スライド板３７の下降阻止専用の強度、大きさ、位置で構成でき、スライド板３７を高い信頼性で下降規制（下降ロック）できる。この結果、落し錠１００の被着体である門扉１５を揺する、レバーハンドル２１を乱暴に操作するなどの不正解錠行為に対する施錠信頼性を向上させることができる。   That is, the lock structure is composed of two members: a locking board 53 that restricts the lowering of the slide plate 37 and a dharma 43 that prevents the restriction of the locking board 53 from being released. Thus, compared to a structure in which the lowering of the slide plate 37 is directly controlled by one member provided on the locking / unlocking shaft 19a, the locking board 53 can be configured with strength, size, and position dedicated to preventing the slide plate 37 from being lowered, The slide plate 37 can be regulated to descend (lock down) with high reliability. As a result, it is possible to improve the locking reliability against an unauthorized unlocking action such as shaking the gate 15 that is the adherend of the lock 100 or operating the lever handle 21 roughly.

また、スライド板３７が、錠箱１７とに渡って配設された保持バネ６７によって上下移動端のいずれかに付勢配置されるので、スライド板３７が上方移動端へ配置され、係止ロッド２３が係止凹部２９へ挿入される施錠状態では、保持バネ６７を介して付勢されるスライド板３７により係止ロッド２３が係止凹部挿入方向へ付勢され、振動などによっても係止ロッド２３が容易に係止解除されなくなる。また、スライド板３７が下方移動端へ配置され、係止ロッド２３が係止凹部２９から抜脱される解錠状態では、保持バネ６７を介して付勢されるスライド板３７により係止ロッド２３が係止凹部２９から離反した上昇位置に保持され、被着体である門扉１５が開閉されても、門扉１５から係止ロッド２３が垂下して地面２５に接触することがない。   Further, since the slide plate 37 is urged and arranged at one of the up and down movement ends by the holding spring 67 arranged over the lock box 17, the slide plate 37 is arranged at the upper movement end and the locking rod In the locked state in which the lock 23 is inserted into the lock recess 29, the lock rod 23 is biased in the lock recess insertion direction by the slide plate 37 biased via the holding spring 67, and the lock rod is also vibrated by vibration or the like. 23 is not easily unlocked. In the unlocked state where the slide plate 37 is disposed at the lower movement end and the locking rod 23 is removed from the locking recess 29, the locking rod 23 is urged by the slide plate 37 biased via the holding spring 67. Is held in the raised position away from the locking recess 29, and the locking rod 23 does not hang down from the gate 15 and come into contact with the ground 25 even when the gate 15 as the adherend is opened and closed.

なお、地面２５に設ける係止凹部２９にはキャップ状部品２７を着脱自在に装着することが好ましい。これにより、係止凹部２９に進入したゴミをキャップ状部品２７の脱着によって容易に除去できる。   In addition, it is preferable that the cap-shaped component 27 is detachably attached to the locking recess 29 provided on the ground 25. Thereby, the dust that has entered the locking recess 29 can be easily removed by detaching the cap-shaped component 27.

また、上記の実施の形態では、係止ロッド２３が門扉１５の下端より突出する例を説明したが、係止ロッド２３は、上端から突出しても良く、さらには上下端から同時に突出するグレモン錠用の係止ロッドであってもよい。   In the above embodiment, the example in which the locking rod 23 protrudes from the lower end of the gate 15 has been described. However, the locking rod 23 may protrude from the upper end, and furthermore, the Gremon tablet that protrudes simultaneously from the upper and lower ends. A locking rod may be used.

本発明に係る落し錠の備えられた門扉の正面図である。It is a front view of the gate door provided with the lock according to the present invention. 図１に示した錠箱内部の側面図である。It is a side view inside the lock box shown in FIG. 図２の要部拡大図である。FIG. 3 is an enlarged view of a main part of FIG. 2. 図３の要部分解斜視図である。It is a principal part disassembled perspective view of FIG. 解錠時のロッド係止状態における錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。It is operation | movement explanatory drawing which represented the lock box in the rod latching state at the time of unlocking to (a), and represented the lever handle and the latching rod to (b). ロッド挿入前又は抜脱後の錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。It is operation | movement explanatory drawing which represented the lock box before the rod insertion or after removal | extraction from (a), and the lever handle and the latching rod to (b). 解錠時のロッド抜脱状態における錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。It is operation | movement explanatory drawing which represented the lock box in the rod extraction state at the time of unlocking to (a), and represented the lever handle and the latching rod to (b). 施錠時のロッド係止状態における錠箱を（ａ）、レバーハンドル及び係止ロッドを（ｂ）に表した動作説明図である。It is operation | movement explanatory drawing which represented the lock box in the rod locking state at the time of locking to (a), and represented the lever handle and the locking rod to (b).

符号の説明Explanation of symbols

１７…錠箱
１９…錠施解錠操作手段（シリンダ錠）
１９ａ…施解錠軸
２１…レバーハンドル
２３…係止ロッド
２９…係止凹部
３１…スライドラック
３７…スライド板
４３…副規制板（ダルマ）
５３…主規制板（ロッキングボード）
６７…付勢手段（保持バネ）
７１…大歯車
７３…小歯車
１００…落し錠 17 ... Lock box 19 ... Locking / unlocking operation means (cylinder lock)
19a ... Locking / unlocking shaft 21 ... Lever handle 23 ... Locking rod 29 ... Locking recess 31 ... Slide rack 37 ... Slide plate 43 ... Sub-regulator plate (Dharma)
53 ... Main regulating plate (locking board)
67 ... Biasing means (holding spring)
71 ... Large gear 73 ... Small gear 100 ... Drop lock

Claims (3)

係止ロッドを上下移動させることにより係止凹部に挿入又は抜脱して施解錠する落し錠であって、
錠箱に内設されレバーハンドルの回動に従動して上下移動するスライド板と、
前記係止ロッドを垂設するとともに該スライド板に歯車を介して噛合することで該スライド板と上下逆移動されるスライドラックと、
前記錠箱に揺動自在に設けられ揺動方向の一方で前記スライド板の下降を規制するとともに揺動方向の他方で該規制を解除する主規制板と、
前記錠箱を貫通して回動自在に設けられ端部に施解錠操作手段が連結される施解錠軸と、
該施解錠軸に設けられ前記施解錠操作手段の施錠方向の回転位置で前記主規制板の他方の揺動方向への揺動を阻止する副規制板と、
を具備したことを特徴とする落し錠。 A lock that is locked or unlocked by inserting or removing the locking rod by moving the locking rod up and down,
A slide plate installed in the lock box and moved up and down following the rotation of the lever handle;
A slide rack that is vertically moved backward with respect to the slide plate by vertically suspending the locking rod and meshing with the slide plate via a gear;
A main restricting plate that is swingably provided in the lock box and restricts the lowering of the slide plate in one of the swing directions and releases the restriction in the other of the swing directions;
A locking / unlocking shaft, which is rotatably provided through the lock box, and which is connected to a locking / unlocking operation means at an end;
A sub-regulating plate that is provided on the locking / unlocking shaft and prevents the main regulating plate from swinging in the other swinging direction at a rotational position in the locking direction of the locking / unlocking operation means;
A lock that is characterized by comprising: 前記主規制板によって下降が規制された前記スライド板によって、該スライド板にリンク接合された前記レバーハンドルの回動が規制されることを特徴とする請求項１記載の落し錠。   2. The lock according to claim 1, wherein rotation of the lever handle linked to the slide plate is restricted by the slide plate whose lowering is restricted by the main restricting plate. 前記スライド板が、前記錠箱とに渡って配設された付勢手段によって上下移動端のいずれかに付勢配置されることを特徴とする請求項１又は２記載の落し錠。   The lock according to claim 1 or 2, wherein the slide plate is urged and arranged at one of the vertically moving ends by an urging means arranged over the lock box.
JP2007041139A 2007-02-21 2007-02-21 Lock Expired - Fee Related JP4989989B2 (en)

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Publication number Priority date Publication date Assignee Title
KR200455451Y1 (en) 2009-04-01 2011-09-06 주식회사 이건창호 Lock on sliding windows
KR20170012940A (en) * 2015-07-27 2017-02-06 이석범 Door locking apparatus
KR200484626Y1 (en) * 2017-06-13 2017-10-10 이건한 Fixing apparatus for window
CN110409141A (en) * 2018-04-28 2019-11-05 无锡小天鹅电器有限公司 For the locking device of lid, the superstructure of laundry facilities and laundry facilities
WO2020118653A1 (en) * 2018-12-14 2020-06-18 Lee Chen Hsiang Door lock

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409133B (en) * 2018-04-28 2021-08-10 无锡小天鹅电器有限公司 Locking device for cover body, upper cover structure of laundry equipment and laundry equipment

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JPS5762275U (en) * 1980-10-01 1982-04-13
JPS58100957U (en) * 1981-12-28 1983-07-09 株式会社中西エンジニアリング locking device
JPS6171769U (en) * 1984-10-18 1986-05-16
JPS62187069U (en) * 1986-05-14 1987-11-28
JP2005282302A (en) * 2004-03-31 2005-10-13 Miwa Lock Co Ltd Electric lock

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JPS5421761U (en) * 1977-07-15 1979-02-13
JPS5762275U (en) * 1980-10-01 1982-04-13
JPS58100957U (en) * 1981-12-28 1983-07-09 株式会社中西エンジニアリング locking device
JPS6171769U (en) * 1984-10-18 1986-05-16
JPS62187069U (en) * 1986-05-14 1987-11-28
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200455451Y1 (en) 2009-04-01 2011-09-06 주식회사 이건창호 Lock on sliding windows
KR20170012940A (en) * 2015-07-27 2017-02-06 이석범 Door locking apparatus
KR101713100B1 (en) * 2015-07-27 2017-03-07 이석범 Door locking apparatus
KR200484626Y1 (en) * 2017-06-13 2017-10-10 이건한 Fixing apparatus for window
CN110409141A (en) * 2018-04-28 2019-11-05 无锡小天鹅电器有限公司 For the locking device of lid, the superstructure of laundry facilities and laundry facilities
CN110409141B (en) * 2018-04-28 2021-08-10 无锡小天鹅电器有限公司 Locking device for cover body, upper cover structure of laundry equipment and laundry equipment
WO2020118653A1 (en) * 2018-12-14 2020-06-18 Lee Chen Hsiang Door lock
CN113167082A (en) * 2018-12-14 2021-07-23 李祯祥 Door lock
CN113167082B (en) * 2018-12-14 2022-07-15 李祯祥 Door lock

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