JP5597785B1 - Flat handle device - Google Patents
Flat handle device Download PDFInfo
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- JP5597785B1 JP5597785B1 JP2014104761A JP2014104761A JP5597785B1 JP 5597785 B1 JP5597785 B1 JP 5597785B1 JP 2014104761 A JP2014104761 A JP 2014104761A JP 2014104761 A JP2014104761 A JP 2014104761A JP 5597785 B1 JP5597785 B1 JP 5597785B1
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- 230000037431 insertion Effects 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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Abstract
【課題】ハンドルによる解錠操作ができないような非常時においても、簡易かつ迅速に解錠することのできる機構を備えた平面ハンドル装置の提供。
【解決手段】ケース２０と、ケース２０に引き出し旋回可能に軸支されたハンドル３０と、前方Ｘへばね付勢された状態でケース２０内に収納され、ハンドル３０の旋回と連動して前後方向Ｘ，Ｙへ直線往復運動可能なラッチ体４０とを備え、ケース２０は、ハンドル３０の作用突子３３が挿通される透孔２４を有し、ラッチ体４０は透孔２４と厚さ方向において連通する突子受孔４３を有し、ハンドル３０の作用突子３３は透孔２４から突子受孔４３に挿入されており、施錠状態において、作用突子３３と突子受孔４３の後方内壁４３ａとの間には、ラッチ体４０をばね付勢に抗して後退させるための解除具１５の先端１５ａが挿入可能な第１操作スペースＳ１が形成される。
【選択図】図５Provided is a flat handle device provided with a mechanism that can be unlocked easily and quickly even in an emergency in which an unlocking operation by a handle is not possible.
SOLUTION: A case 20, a handle 30 pivotally supported by the case 20 so as to be pivotable, and housed in the case 20 in a state of being spring-biased forward X. The front-rear direction is interlocked with the turning of the handle 30 The case 20 has a through hole 24 through which the working protrusion 33 of the handle 30 is inserted, and the latch body 40 is in the thickness direction with respect to the through hole 24. There is a projecting receiving hole 43 that communicates, and the working projecting 33 of the handle 30 is inserted into the projecting receiving hole 43 through the through hole 24, and in the locked state, behind the working projecting 33 and the projecting receiving hole 43. A first operation space S1 is formed between the inner wall 43a and the distal end 15a of the release tool 15 for retracting the latch body 40 against the spring bias.
[Selection] Figure 5
Description
本発明は、扉等に使用される平面ハンドル装置に関する。 The present invention relates to a flat handle device used for a door or the like.
特許文献１に開示された平面ハンドル装置は、扉等に固定されたケースと、ケースの正面凹部に引き出し旋回可能に収容されたハンドルと、ハンドルの旋回に連動して前後往復運動可能なラッチ体とを含む。 A flat handle device disclosed in Patent Document 1 includes a case fixed to a door or the like, a handle that is retractably accommodated in a front concave portion of the case, and a latch body that can reciprocate back and forth in conjunction with the turning of the handle. Including.
特許文献１に開示の平面ハンドル装置によれば、ハンドルを引き出し旋回させることによって、その作動突子がラッチ体を付勢手段に抗して後退させ、ラッチ体の先端が固定枠体側の受溝から離脱して、施錠が解除される。 According to the flat handle device disclosed in Patent Document 1, when the handle is pulled out and swiveled, the operating protrusion retracts the latch body against the biasing means, and the leading end of the latch body is a receiving groove on the fixed frame body side. The lock is released.
しかし、かかる平面ハンドル装置においては、例えば、比較的に強い力で引っ張ったり、経時劣化等によってハンドルの把持部が折れたりしてハンドル操作ができなくなった場合には、解錠することができない。このような非常時において、特に緊急性を要する場合には、解錠のための特別な工具等を用いることなく、簡易かつ迅速に解錠できる機構が求められる。 However, such a flat handle device cannot be unlocked when the handle cannot be operated due to, for example, being pulled with a relatively strong force or the handle gripping part is broken due to deterioration over time. In such an emergency, especially when urgency is required, a mechanism that can be unlocked easily and quickly without using a special tool or the like for unlocking is required.
本発明は、従来の平面ハンドル装置の改良であって、ハンドルによる操作ができないような非常時であって、簡易かつ迅速に解錠することのできる機構を備えた平面ハンドル装置に関する。 The present invention relates to an improvement of a conventional flat handle device, and relates to a flat handle device provided with a mechanism that can be unlocked easily and quickly in an emergency in which an operation by the handle cannot be performed.
前記課題を解決するために、本発明は、正面及び背面と、前後方向及び厚さ方向とを有する平面ハンドル装置に関する。 In order to solve the above problems, the present invention relates to a flat handle device having a front surface and a back surface, a front-rear direction, and a thickness direction.
本発明に平面ハンドル装置は、ケースと、前記ケースに引き出し旋回可能に軸支されたハンドルと、前方へばね付勢された状態で前記ケース内に収納され、前記ハンドルの旋回と連動して前後方向へ直線往復運動可能なラッチ体とを備え、前記ケースは、前記ハンドルの作用突子が挿通される透孔を有し、前記ラッチ体は、前記透孔と前記厚さ方向において連通する突子受孔を有し、前記ハンドルの前記作用突子は前記透孔から前記突子受孔に挿入されており、施錠状態において、前記作用突子と前記突子受孔の後方内壁との間には、前記ラッチ体を後退させるための解除具の先端が進退可能に挿入される第１操作スペースが形成されており、前記突子受孔の前記後方内壁の正面側の端縁は、後方へ傾斜しており、前記後方内壁は、前記作用突子が当接する水平面と、前記端縁からなる傾斜面とを有し、前記解除具は、前記ハンドルと前記透孔の内壁との間から前記第１操作スペースに挿入可能であって、その一部が前記ハンドルに当接し、かつ、他の部分が前記透孔の内壁に当接した状態でそれらを支点として前記ラッチ体を後退させることができ、前記ラッチ体は、背面側から正面側へ延びる背面開口部を有し、前記背面開口部内には前記解除具の先端が進退可能に挿入される第２操作スペースが形成されることを特徴とする。 The flat handle device according to the present invention is housed in the case in a state in which the case, the handle that is pivotally supported by the case so as to be able to be turned and swung are forwardly biased, and interlocked with the turning of the handle. A latch body capable of linearly reciprocating in a direction, and the case has a through hole into which the action protrusion of the handle is inserted, and the latch body is a protrusion communicating with the through hole in the thickness direction. The working protrusion of the handle is inserted into the protrusion receiving hole from the through hole, and in a locked state, between the working protrusion and the rear inner wall of the protrusion receiving hole. Is formed with a first operation space in which a distal end of a release tool for retracting the latch body is inserted so as to be able to advance and retreat , and an edge on the front side of the rear inner wall of the protrusion receiving hole is a rear side. The rear inner wall is A horizontal plane against which the child abuts and an inclined surface formed by the end edge, and the release tool can be inserted into the first operation space from between the handle and the inner wall of the through hole. The latch body can be moved backward with the portion in contact with the handle and the other portion in contact with the inner wall of the through hole, and the latch body is moved from the back side to the front side. It has a back opening that extends, and a second operation space is formed in the back opening so that the tip of the release tool can be advanced and retracted .
本発明に係る平面ハンドル装置の他の実施態様の一つとしては、前記ハンドルの前記作用突子と前記傾斜面との傾斜角度は、約１５〜４５度である。 As another embodiment of the flat handle device according to the present invention, an inclination angle between the working protrusion of the handle and the inclined surface is about 15 to 45 degrees.
本発明に係る平面ハンドル装置のさらに他の実施態様の一つとしては、前記ラッチ体を背面側から被覆する背面パネルをさらに有し、前記背面パネルには前記厚さ方向において前記背面開口部と連通する挿通孔を有し、前記挿通孔の前記前後方向の寸法は、前記背面開口部の前記前後方向の寸法よりも大きくなっている。 As another embodiment of the flat handle device according to the present invention, the flat handle device further includes a back panel that covers the latch body from the back side, and the back panel has the back opening in the thickness direction. There is an insertion hole that communicates, and the dimension of the insertion hole in the front-rear direction is larger than the dimension of the rear opening in the front-rear direction.
本発明に係る平面ハンドル装置のさらに他の実施態様の一つとしては、前記背面開口部は前記突子受孔よりも後方に位置する。 As still another embodiment of the flat handle device according to the present invention, the rear opening is located behind the protrusion receiving hole.
本発明に係る平面ハンドル装置によれば、施錠状態において、ハンドルの作用突子とラッチ体の突子受孔の後方内壁との間にはラッチ体を付勢に抗して後退させるための解除具の先端が挿入可能な第１操作スペースが位置しているので、ハンドルの一部が破損してハンドル操作ができないような非常時においても、ラッチ体を付勢に抗して押し下げて、簡易かつ速やかに解錠することができる。 According to the planar handle device of the present invention, in the locked state, the latch body is released between the projecting protrusion of the handle and the rear inner wall of the latch receiving hole of the latch body in order to retract the latch body against the bias. Since the first operation space where the tip of the tool can be inserted is located, the latch body is pushed down against the urging force even in an emergency where a part of the handle is damaged and the handle cannot be operated. And it can be unlocked promptly.
図１〜３を参照すると、平面ハンドル装置１０は、前方Ｘ及び後方Ｙと、それらに直交する横断方向Ｚとを有し、正面にハンドル収納用の正面凹部２１を有するケース２０と、ケース２０に収容され、横断方向Ｚへ延びるピン１２が挿通された前端を支点として引き出し旋回可能に正面凹部２１に収容されたハンドル３０と、ケース２０に前後方向Ｘ，Ｙへ直線往復可能に収容されたラッチ体４０とを備える。平面ハンドル装置１０は、扉等の可動パネル１１ａの取付け孔（図示せず）に嵌着して使用される。また、説明の便宜上、平面ハンドル装置１０を可動パネル１１ａに取り付けるためにボルトは、図面において省略する。 Referring to FIGS. 1 to 3, the flat handle device 10 includes a case 20 having a front X and a rear Y, and a transverse direction Z orthogonal thereto, and a front recess 21 for storing a handle on the front. The handle 30 is accommodated in the front recess 21 so as to be able to be drawn and swiveled with the front end through which the pin 12 extending in the transverse direction Z is inserted as a fulcrum. And a latch body 40. The flat handle device 10 is used by being fitted into a mounting hole (not shown) of a movable panel 11a such as a door. For convenience of explanation, bolts for omitting the flat handle device 10 to the movable panel 11a are omitted in the drawings.
ケース２０は、中央に正面凹部２１を有する取付プレート部２２と、取付プレート部２２の背面側に延出する周壁１８と、周壁１８に囲繞されたラッチ体４０が収容されるラッチ体収容部２３とを有する。取付プレート部２２は、扉等の可動パネル１１ａに固定するための複数の取付孔２２ａとハンドル３０の作用突子３３が挿入される透孔２４とを有し、正面凹部２１を形成する周壁の前端側には、横断方向Ｚに延びるピン１２を挿入するための一対のピン孔２２ｂが横断方向Ｚにおいて離間対向して位置する。 The case 20 includes a mounting plate portion 22 having a front recess 21 at the center, a peripheral wall 18 extending to the back side of the mounting plate portion 22, and a latch body housing portion 23 in which a latch body 40 surrounded by the peripheral wall 18 is housed. And have. The mounting plate portion 22 has a plurality of mounting holes 22 a for fixing to the movable panel 11 a such as a door and a through hole 24 into which the action protrusion 33 of the handle 30 is inserted, and a peripheral wall that forms the front recess 21. On the front end side, a pair of pin holes 22b for inserting the pins 12 extending in the transverse direction Z are positioned to face each other in the transverse direction Z.
ハンドル３０は、ピン１２を介してケースに固定される基部３１と、施錠状態において基部３１から後方Ｙへ延びる略Ｕ字状の把持部３２と、基部３１の背面から延びる作用突子３３とを有する。ハンドル３０の基部３１には、横断方向Ｚに延びるピン挿通孔３１ａが形成されており、ハンドル３０をケース２０の正面凹部２１に配置した状態において、取付プレート部２２のピン孔２２ｂと基部３１のピン挿通孔３１ａとが連通し、それらを貫通するピン１２を中心としてハンドル３０が引き出し旋回可能に軸支される。 The handle 30 includes a base 31 fixed to the case via the pin 12, a substantially U-shaped grip 32 extending from the base 31 to the rear Y in the locked state, and a working protrusion 33 extending from the back of the base 31. Have. A pin insertion hole 31 a extending in the transverse direction Z is formed in the base portion 31 of the handle 30, and the pin hole 22 b of the mounting plate portion 22 and the base portion 31 are in a state where the handle 30 is disposed in the front concave portion 21 of the case 20. The pin insertion hole 31a communicates, and the handle 30 is pivotally supported so as to be able to be pulled out and pivoted around the pin 12 passing therethrough.
ラッチ体４０は、傾斜状の先端（ラッチ）４１ａを有する前方部分４１と、内部にばね５０を装填するための（後端）開口を有する後方部分４２とを有する。前方部分４１は、前後方向Ｘ，Ｙへ延びる長孔状の突子受孔４３を有し、前方部分４１と後方部分４２との間には、それらよりも肉薄の中間部４４が形成されている。後方部分４２の前方Ｘ側は、横断方向Ｚへ張り出したフランジ４５が位置し、ラッチ体４０の後端開口からばね５０が後方部分４２の内部に装填されることによって、ラッチ体４０は前方Ｘへ付勢される。ラッチ体４０の中間部４４の背面には、小円形状の背面開口部１７が位置する。 The latch body 40 includes a front portion 41 having an inclined tip (latch) 41a and a rear portion 42 having an opening (rear end) for loading the spring 50 therein. The front portion 41 has a long hole-like protrusion receiving hole 43 extending in the front-rear direction X, Y, and an intermediate portion 44 thinner than these is formed between the front portion 41 and the rear portion 42. Yes. A flange 45 projecting in the transverse direction Z is located on the front X side of the rear portion 42, and a spring 50 is loaded into the rear portion 42 from the rear end opening of the latch body 40, whereby the latch body 40 is moved to the front X side. To be energized. On the back surface of the intermediate portion 44 of the latch body 40, the small circular rear opening 17 is located.
ハンドル３０は、ピン１２を介してケース２０に軸支されている状態において、作用突子３３がラッチ体４０の突子受孔４３に挿入される。ラッチ体４０がばね５０によって前方Ｘへ付勢されているので、作用突子３３は、その基端部分がケース２０の透孔２４の前方内壁に当接するとともに、その先端がラッチ体４０の突子受孔４３の後方内壁４３ａに当接してそれらの間に挟持されて、ほぼ水平の状態となる。ラッチ体４０の先端４１ａは、ケース２０の前端から前方Ｘへ突出し、固定パネル１１ｂ側のラッチ受部１３に嵌挿され、施錠される。かかる施錠状態から、ハンドル３０を起立する方向へ引き出し旋回することによって、作用突子３３が後方へ傾斜して、その先端がばね５０による付勢に抗してラッチ体４０を後退させ、ラッチ体４０の先端（ラッチ）４１ａがラッチ受部１３から離脱して解錠される。ハンドル３０は、施錠状態（正面凹部２１に収容されている状態）から約３０〜５０度引き出し旋回可能であって、ハンドル３０から手を離すと、ばね付勢によってラッチ体４０が前進してハンドル３０が旋回し、作用突子３３の基端部分が再び透孔２４の前方内壁に当接して施錠状態となる。また、オプションとして、正面凹部１２の底面には、施錠状態においてハンドル３０の把持部３２が当接される一対の突起２７が設けられる。 In the state where the handle 30 is pivotally supported by the case 20 via the pin 12, the working protrusion 33 is inserted into the protrusion receiving hole 43 of the latch body 40. Since the latch body 40 is urged forward X by the spring 50, the base end portion of the working protrusion 33 abuts against the front inner wall of the through hole 24 of the case 20, and the tip thereof protrudes from the latch body 40. It contacts the rear inner wall 43a of the child receiving hole 43 and is sandwiched between them, so that it becomes almost horizontal. The front end 41a of the latch body 40 projects forward X from the front end of the case 20, and is fitted into the latch receiving portion 13 on the fixed panel 11b side and locked. By pulling and turning the handle 30 in the standing direction from the locked state, the action protrusion 33 is inclined rearward, and the front end of the operation protrusion 33 resists urging by the spring 50 to retract the latch body 40. The front end (latch) 41a of 40 is detached from the latch receiving portion 13 and unlocked. The handle 30 can be pulled and rotated about 30 to 50 degrees from the locked state (the state accommodated in the front recess 21), and when the hand is released from the handle 30, the latch body 40 advances by the spring bias and the handle 30 is moved forward. 30 rotates, and the base end portion of the action protrusion 33 again comes into contact with the front inner wall of the through hole 24 to be locked. As an option, a pair of protrusions 27 with which the grip portion 32 of the handle 30 is brought into contact in the locked state are provided on the bottom surface of the front recess 12.
図３を参照すると、ケース２０の背面側を被覆する背面パネル８０は、ラッチ体収容部２３を囲繞する周壁１８とほぼ同形である。背面パネル８０は、ラッチ体収容部２３内にラッチ体４０が収容された状態において、そのねじ孔８１と周壁１８に位置するねじ孔８４にねじ８３を螺合することによってケース２０に固定される。背面パネル８０の中央部には、前後方向Ｘ，Ｙへ延びる挿通孔８５が形成される。挿通孔８５は、後記の本願発明の効果を奏する限りにおいて、横断方向Ｚに延びていてもよいし、複数形成されていてもよい。 Referring to FIG. 3, the back panel 80 that covers the back side of the case 20 has substantially the same shape as the peripheral wall 18 that surrounds the latch body housing portion 23. The back panel 80 is fixed to the case 20 by screwing a screw 83 into the screw hole 81 and the screw hole 84 located in the peripheral wall 18 in a state where the latch body 40 is housed in the latch body housing portion 23. . An insertion hole 85 extending in the front-rear direction X, Y is formed in the center of the back panel 80. The insertion hole 85 may extend in the transverse direction Z or a plurality of insertion holes 85 as long as the effects of the present invention described later can be obtained.
＜第１非常用解錠機構＞
図５〜図７を参照すると、ラッチ体４０の突子受孔４３の後方内壁４３ａは、作用突子３３が当接される水平面４９ａと後方内壁４３ａの正面側の端縁からなる、水平面４９ａから後方Ｙへ斜めに延びる傾斜面４９ｂとから形成される。施錠状態、すなわち、ハンドル３０の基部３１が透孔２４の前方内壁に当接し、かつ、作用突子３３がラッチ体４０の突子受孔４３の後方内壁４３ａに当接してハンドル３０がそれらの部材に挟持固定されている状態において、作用突子３３と突子受孔４３の後方内壁４３ａとの間には、後方内壁４３ａの正面側の端縁が後方Ｙへ傾斜していることによって、第１操作スペースＳ１が形成される。
<First emergency unlocking mechanism>
Referring to FIGS. 5 to 7, the rear inner wall 43 a of the protrusion receiving hole 43 of the latch body 40 is composed of a horizontal surface 49 a on which the action protrusion 33 abuts and an edge on the front side of the rear inner wall 43 a. And an inclined surface 49b extending obliquely from the rear to the rear Y. In a locked state, that is, the base 31 of the handle 30 abuts against the front inner wall of the through hole 24, and the action protrusion 33 abuts against the rear inner wall 43 a of the protrusion receiving hole 43 of the latch body 40, so that the handle 30 In a state of being clamped and fixed to the member, the edge on the front side of the rear inner wall 43a is inclined to the rear Y between the acting protrusion 33 and the rear inner wall 43a of the protrusion receiving hole 43, A first operation space S1 is formed.
かかる第１操作スペースＳ１に、マイナスドライバーや閂等の細棒状の解除具１５を挿入することによって、非常時においても施錠を解除することができる。すなわち、例えば、経時劣化や比較的に強い力による引き出し旋回操作によって、ハンドル３０の把持部３２や基部３１が変形したり折れたりした場合においては、ハンドル３０の旋回操作によって施錠を解除することができない。かかる場合において、平面ハンドル装置１０の正面側から取付プレート部２２の透孔２４の第１操作スペースＳ１に解除具１５の先端１５ａを挿入して、先端１５ａを突子受孔４３の後方内壁４３ａに当接させた状態においてラッチ体４０をばね付勢に抗して後退させることによって、ラッチ体４０の先端４１ａがラッチ受部１３から離脱し、施錠が解除される。このように、本発明に係る平面ハンドル装置１０は、ハンドル３０の一部の破損によって操作ができない等の非常時であっても、簡易かつ迅速に施錠を解除することができる。 By inserting a thin rod-shaped release tool 15 such as a flathead screwdriver or a scissors into the first operation space S1, locking can be released even in an emergency. That is, for example, when the gripping portion 32 or the base portion 31 of the handle 30 is deformed or broken due to a deterioration with time or a pulling and turning operation with a relatively strong force, the locking can be released by the turning operation of the handle 30. Can not. In such a case, the distal end 15a of the release tool 15 is inserted into the first operation space S1 of the through hole 24 of the mounting plate portion 22 from the front side of the flat handle device 10, and the distal end 15a is inserted into the rear inner wall 43a of the protrusion receiving hole 43. When the latch body 40 is retracted against the spring bias in a state where the latch body 40 is in contact with the front end 41a, the tip 41a of the latch body 40 is detached from the latch receiving portion 13 and the locking is released. As described above, the flat handle device 10 according to the present invention can be easily and quickly unlocked even in an emergency such as inability to operate due to a part of the handle 30 being damaged.
作用突子３３と突子受孔４３の後方内壁４３ａ全体とが、ほぼ面状に当接する場合には、解除具１５の先端１５ａを差し込むための隙間である第１操作スペースＳ１が形成されないので、解除具１５の先端１５ａをラッチ体４０に当接させてそれをばね付勢に抗して後退させることができない。本実施形態における平面ハンドル装置１０においては、突子受孔４３の後方内壁４３ａの端縁を後方Ｙへ傾斜させることによって第１操作スペースＳ１を形成しており、具体的には、第１操作スペースＳ１は、後方内壁４３ａの傾斜面４９ｂとハンドル３０の作用突子３３との間の空隙から形成される。第１操作スペースＳ１の大きさは、それを外部から視認させるか又は隠蔽させるかによって、また、解除具１５の先端１５aの大きさ等に適宜変更されるものであるところ、第１操作スペースＳ１を形成するハンドル３０の作用突子３３と傾斜面４９ｂとの傾斜角θは、約１５〜４５度以下であることが好ましい。傾斜角θが約４５度以上の場合には、解除具１５の先端１５ａが第１操作スペースＳ１に入り込む前に作用突子３３に当たって解除操作がし難くなり、一方、傾斜角θが約１５度以下の場合には、比較的に第１操作スペースＳ１の開口寸法が小さくなって、解除具１５の先端１５ａが挿入し難くなり、無理に挿入すると先端１５ａを抜き出し難くなるおそれがある。また、図７を参照すると、解除具１５は、第１操作スペースＳ１に先端を挿入した状態において、その一部がハンドル３０に当接し、かつ、他の部分が透孔２４の内壁に当接しているので、それらを支点としてより簡易にラッチ体４０を後退させることができる。このように、梃子の原理を利用して解除操作をすることが可能になるので、比較的に小さな力で解除具１５を操作することができる。 When the action protrusion 33 and the entire rear inner wall 43a of the protrusion receiving hole 43 abut on each other in a substantially planar shape, the first operation space S1 that is a gap for inserting the tip 15a of the release tool 15 is not formed. The tip 15a of the release tool 15 cannot be brought into contact with the latch body 40 and retracted against the spring bias. In the flat handle device 10 according to the present embodiment, the first operation space S1 is formed by inclining the edge of the rear inner wall 43a of the protrusion receiving hole 43 to the rear Y. Specifically, the first operation space S1 is formed. The space S1 is formed by a gap between the inclined surface 49b of the rear inner wall 43a and the working protrusion 33 of the handle 30. The size of the first operation space S1 is appropriately changed depending on whether the first operation space S1 is visually recognized or concealed from the outside, and the size of the tip 15a of the release tool 15 or the like. It is preferable that the inclination angle θ between the action protrusion 33 of the handle 30 and the inclined surface 49b forming the angle is about 15 to 45 degrees or less. When the inclination angle θ is about 45 degrees or more, it becomes difficult to perform the release operation by hitting the action protrusion 33 before the tip 15a of the release tool 15 enters the first operation space S1, while the inclination angle θ is about 15 degrees. In the following cases, the opening size of the first operation space S1 is relatively small, and it becomes difficult to insert the tip 15a of the release tool 15, and if it is forcibly inserted, the tip 15a may be difficult to extract. Referring to FIG. 7, in the state where the distal end is inserted into the first operation space S <b> 1, a part of the release tool 15 contacts the handle 30 and the other part contacts the inner wall of the through hole 24. Therefore, the latch body 40 can be retracted more easily using these as fulcrums. In this way, the release operation can be performed using the principle of the lever, so that the release tool 15 can be operated with a relatively small force.
＜第２非常用解錠機構（背面側）＞
図８及び９を参照すると、背面パネル８０の挿通孔８５とラッチ体４０の背面開口部１７とは、厚さ方向において互いに重なって位置する。背面開口部１７内には、解除具１５の先端１５ａが進入可能な第２操作スぺースＳ２が形成されている。平面ハンドル装置１０を室内扉の施錠用として用いた場合であってハンドル３０の破損等によってハンドル操作ができないときには、平面ハンドル装置１０の背面側から施錠を解除しなければならない。かかる場合において、操作者が解除具１５を挿通孔８５から平面ハンドル装置１０内に進入させて背面開口部１７内の第２操作スペースＳ２に到達させ、背面開口部１７の後方内壁１７ａに先端１５ａを押し当てながらラッチ体４０をばね付勢に抗して後退させることによって、ラッチ体４０の先端４０ａがラッチ受部１３から離脱して、施錠が解除される。
<Second emergency unlocking mechanism (rear side)>
8 and 9, the insertion hole 85 of the back panel 80 and the back opening 17 of the latch body 40 are positioned so as to overlap each other in the thickness direction. A second operation space S2 into which the distal end 15a of the release tool 15 can enter is formed in the rear opening 17. When the flat handle device 10 is used for locking an indoor door and the handle cannot be operated due to damage to the handle 30 or the like, the lock must be released from the back side of the flat handle device 10. In such a case, the operator causes the release tool 15 to enter the flat handle device 10 through the insertion hole 85 to reach the second operation space S2 in the rear opening 17, and the tip 15a is formed on the rear inner wall 17a of the rear opening 17. The front end 40a of the latch body 40 is detached from the latch receiving portion 13 and the locking is released by retreating the latch body 40 against the spring bias while pressing.
このように、ハンドル３０の旋回操作ができない非常時において、平面ハンドル装置１０の背面側から解除具１５の先端１５ａを差し入れることによって簡易かつ迅速に解錠することができる。背面側からの解錠を容易に行うためには、背面パネル８０の挿通孔８５とラッチ体４０の背面開口部１７とが厚さ方向において連通しており、かつ、挿通孔８５の前後方向Ｘ，Ｙの長さ寸法が背面開口部１７の前後方向Ｘ，Ｙにおける寸法（背面開口部１７が円形の場合には、直径）よりも大きいことが好ましい。すなわち、図９に示すとおり、挿通孔８５から背面開口部１７にほぼ水平に解除具１５の先端１５ａを進入させ、解除具１５をそのまま後方Ｙへ移動させてラッチ体４０を後退させるためには、挿通孔８６５は背面開口部１７に比べて前後方向Ｘ，Ｙの寸法が大きいことが好ましく、具体的には、前者が後者の約２〜４倍の大きさであることが好ましい。 In this way, in an emergency where the turning operation of the handle 30 is not possible, the tip 15a of the release tool 15 can be easily and quickly unlocked from the back side of the flat handle device 10. In order to facilitate unlocking from the rear side, the insertion hole 85 of the rear panel 80 and the rear opening 17 of the latch body 40 communicate in the thickness direction, and the front-rear direction X of the insertion hole 85 , Y is preferably larger than dimensions in the front-rear direction X, Y of the rear opening 17 (or diameter when the rear opening 17 is circular). That is, as shown in FIG. 9, in order to cause the distal end 15 a of the release tool 15 to enter the rear opening 17 almost horizontally from the insertion hole 85 and move the release tool 15 to the rear Y as it is to retract the latch body 40. The insertion hole 865 preferably has larger dimensions in the front-rear directions X and Y than the rear opening 17, and specifically, the former is preferably about 2 to 4 times larger than the latter.
本実施形態においては、背面開口部１７は背面側から正面側へ延びる凹状溝であるところ、ラッチ体４０を厚さ方向へ貫通する貫通孔であってもよいし、断面円形ではなく矩形、多角形であってもよいし、挿通孔８５と連通する複数の開口部が形成されていてもよい。また、解除具１５の挿抜をより容易にするために、先端１５ａの外形寸法は、第２操作スペースＳ２のそれよりも小さく、先端１５ａを挿入したときに背面開口部１７の内壁との間に所定のクリアランスが形成されることが好ましい。また、本実施形態においては、解除具１５の先端１５ａが先鋭状であって、背面開口部１７の背面側の端縁１７ｂに先端１５ａが当接してそのままラッチ体４０が後退されるところ、かかる当接部分である端縁１７ｂは、摩擦による摩耗等を防止するために曲状であることが好ましい。また、より確実にラッチ体４０を後退させるために、解除具１５の先端１５ａが背面開口部１７の後方内壁１７ａ全体に当接するように設計してもよい。また、第２非常用解錠機構を構成する第２操作スペースＳ２は、第１非常用解錠機構を構成する第１操作スペースＳ１よりも後方へ位置している。既述のとおり、第１非常用解除機構においては、てこの原理によって解除操作を比較的に簡易に行うことができる一方、第２非常用解除機構においては、解除具を背面開口部１７に対してほぼ水平に又は僅かに傾斜して挿し込んでラッチ体４０をばね付勢に抗してそのまま後退させなければならないので、解除操作時における安定性が第１非常解除機構よりも求められる。本実施形態においては、第２非常解除機構が第１非常解除機構よりも後方であって、かつ、ラッチ体４０の中央部に位置することによって、ラッチ体４０の前後方向Ｘ，Ｙにおける長さ寸法が比較的に大きい場合であっても、それがラッチ体４０の両端側に位置する場合に比して、ふらつきを防止して安定的に解除操作を行うことができる。 In the present embodiment, the rear opening 17 is a concave groove extending from the rear side to the front side, and may be a through-hole penetrating the latch body 40 in the thickness direction. A square shape may be sufficient and the several opening part connected with the penetration hole 85 may be formed. Further, in order to facilitate the insertion / extraction of the release tool 15, the outer dimension of the tip 15a is smaller than that of the second operation space S2, and when the tip 15a is inserted, it is between the inner wall of the rear opening 17. It is preferable that a predetermined clearance is formed. Further, in the present embodiment, the tip 15a of the release tool 15 is sharp, and the tip 15a abuts on the edge 17b on the back side of the back opening 17, and the latch body 40 is retracted as it is. The edge 17b, which is a contact portion, is preferably curved in order to prevent wear due to friction. Further, in order to retract the latch body 40 more reliably, the distal end 15a of the release tool 15 may be designed to abut against the entire rear inner wall 17a of the rear opening 17. Further, the second operation space S2 constituting the second emergency unlocking mechanism is located rearward than the first operation space S1 constituting the first emergency unlocking mechanism. As described above, in the first emergency release mechanism, the release operation can be performed relatively easily by the lever principle, while in the second emergency release mechanism, the release tool is attached to the rear opening 17. Therefore, the latch body 40 has to be retracted as it is against the spring bias and is required to be more stable than the first emergency release mechanism. In the present embodiment, since the second emergency release mechanism is located behind the first emergency release mechanism and is located at the center of the latch body 40, the length of the latch body 40 in the front-rear directions X and Y Even when the dimensions are relatively large, the wobbling can be prevented and the releasing operation can be performed stably as compared with the case where the dimensions are located at both ends of the latch body 40.
本発明に係る平面ハンドル装置１０は、正面側に位置する第１非常用解錠機構と背面側に位置する第２非常用解錠機構とを備えることによって、ハンドル３０の一部が破損してハンドル操作ができない等の非常時においても、正面側及び／又は背面側から第１及び／又は第２操作スペースＳ１，Ｓ２に解除具１５の先端１５ａを挿し入れてラッチ体４０をばね付勢に抗して後退させることによって速やかに解錠することができる。かかる非常用解錠機構としては、平面ハンドル装置１０の用途に応じて、第１非常用解錠機構又は第２非常用解除機構の少なくも一方を備えていればよく、ケース２０やハンドル３０等の各種構成部材の形状は、図示された態様に限らず、他の公知の形状を適宜採用することができる。 The flat handle device 10 according to the present invention includes a first emergency unlocking mechanism located on the front side and a second emergency unlocking mechanism located on the back side, so that a part of the handle 30 is damaged. Even in an emergency such as when the handle cannot be operated, the latch body 40 is spring-biased by inserting the tip 15a of the release tool 15 into the first and / or second operation space S1, S2 from the front side and / or the back side. It can be unlocked quickly by retreating against it. Such an emergency unlocking mechanism may be provided with at least one of the first emergency unlocking mechanism or the second emergency unlocking mechanism depending on the use of the flat handle device 10, such as the case 20, the handle 30, and the like. The shapes of the various constituent members are not limited to the illustrated embodiment, and other known shapes can be appropriately employed.
１０ 平面ハンドル装置
１５ 解除具
１５ａ 解除具の先端
１７ 背面開口部
２０ ケース
２４ 透孔
３０ ハンドル
３３ 作用突子
４０ ラッチ体
４３ 突子受孔
４３ａ 突子受孔の後方内壁
４９ａ 突子受孔の後方内壁の水平面
４９ｂ 突子受孔の後方内壁の傾斜面
８０ 背面パネル
８５ 挿通孔
Ｘ 前方
Ｙ 後方
DESCRIPTION OF SYMBOLS 10 Planar handle apparatus 15 Release tool 15a Release tool tip 17 Rear opening 20 Case 24 Through hole 30 Handle 33 Actuator 40 Latch body 43 Projector receiving hole 43a Projector receiving hole rear inner wall 49a Rear of projecting receiver hole Horizontal surface 49b of inner wall Inclined surface 80 of rear inner wall of protrusion receiving hole Rear panel 85 Insertion hole X Front Y Rear
Claims (4)
ケースと、前記ケースに引き出し旋回可能に軸支されたハンドルと、前方へばね付勢された状態で前記ケース内に収納され、前記ハンドルの旋回と連動して前後方向へ直線往復運動可能なラッチ体とを備え、
前記ケースは、前記ハンドルの作用突子が挿通される透孔を有し、前記ラッチ体は、前記透孔と前記厚さ方向において連通する突子受孔を有し、前記ハンドルの前記作用突子は前記透孔から前記突子受孔に挿入されており、
施錠状態において、前記作用突子と前記突子受孔の後方内壁との間には、前記ラッチ体を後退させるための解除具の先端が進退可能に挿入される第１操作スペースが形成されており、
前記突子受孔の前記後方内壁の正面側の端縁は、後方へ傾斜しており、
前記後方内壁は、前記作用突子が当接する水平面と、前記端縁からなる傾斜面とを有し、
前記解除具は、前記ハンドルと前記透孔の内壁との間から前記第１操作スペースに挿入可能であって、その一部が前記ハンドルに当接し、かつ、他の部分が前記透孔の内壁に当接した状態でそれらを支点として前記ラッチ体を後退させることができ、
前記ラッチ体は、背面側から正面側へ延びる背面開口部を有し、前記背面開口部内には前記解除具の先端が進退可能に挿入される第２操作スペースが形成されることを特徴とする前記平面ハンドル装置。 A flat handle device having a front surface and a back surface, and a front-rear direction and a thickness direction,
A case, a handle that is pivotally supported by the case so as to be able to be pulled out and pivoted, and a latch that is housed in the case in a state of being spring-biased forward and that can linearly reciprocate back and forth in conjunction with the turning of the handle. With body,
The case has a through hole into which the working protrusion of the handle is inserted, and the latch body has a protrusion receiving hole communicating with the through hole in the thickness direction, and the working protrusion of the handle. The child is inserted into the protrusion receiving hole from the through hole,
In the locked state, a first operation space is formed between the working protrusion and the rear inner wall of the protrusion receiving hole in which a tip of a release tool for retracting the latch body is inserted so as to be able to advance and retract. And
The front edge of the rear inner wall of the protrusion receiving hole is inclined backward,
The rear inner wall has a horizontal surface with which the working protrusion abuts, and an inclined surface composed of the end edge,
The release tool can be inserted into the first operation space from between the handle and the inner wall of the through hole, a part of which comes into contact with the handle, and the other part is an inner wall of the through hole. The latch body can be moved backward with the fulcrum in contact with the
The latch body has a rear opening that extends from the rear side to the front side, and a second operation space is formed in the rear opening so that the distal end of the release tool can be advanced and retracted. The planar handle device.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126899U (en) * | 1977-03-14 | 1978-10-07 | ||
| JPS5967459U (en) * | 1982-10-27 | 1984-05-07 | 東京電力株式会社 | door lock |
| JPS63186870U (en) * | 1987-05-25 | 1988-11-30 | ||
| JPH0522780U (en) * | 1991-09-05 | 1993-03-26 | 株式会社栃木屋 | Handle with a latch mechanism for doors, etc. |
| JP2013023896A (en) * | 2011-07-20 | 2013-02-04 | Kuriki Manufacture Co Ltd | Latch lock |
-
2014
- 2014-05-20 JP JP2014104761A patent/JP5597785B1/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126899U (en) * | 1977-03-14 | 1978-10-07 | ||
| JPS5967459U (en) * | 1982-10-27 | 1984-05-07 | 東京電力株式会社 | door lock |
| JPS63186870U (en) * | 1987-05-25 | 1988-11-30 | ||
| JPH0522780U (en) * | 1991-09-05 | 1993-03-26 | 株式会社栃木屋 | Handle with a latch mechanism for doors, etc. |
| JP2013023896A (en) * | 2011-07-20 | 2013-02-04 | Kuriki Manufacture Co Ltd | Latch lock |
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