JP5620429B2 - Dial lock - Google Patents

Dial lock Download PDF

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JP5620429B2
JP5620429B2 JP2012074363A JP2012074363A JP5620429B2 JP 5620429 B2 JP5620429 B2 JP 5620429B2 JP 2012074363 A JP2012074363 A JP 2012074363A JP 2012074363 A JP2012074363 A JP 2012074363A JP 5620429 B2 JP5620429 B2 JP 5620429B2
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cover plate
plate
dials
groove
dial lock
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JP2012251419A (en
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健太 中井
健太 中井
朝男 久野
朝男 久野
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株式会社クローバー
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00—Permutation or combination locks; Puzzle locks
    • E05B37/02—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others

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  • Supports Or Holders For Household Use (AREA)
  • Lock And Its Accessories (AREA)

Description

この発明は、ロッカー、キャビネットなどに組み込まれる複数個のダイヤルをもつダイヤル錠に関し、特にこの発明は、解錠のための解錠符号列が第三者に容易に記憶されないようにしたダイヤル錠に関する。   The present invention relates to a dial lock having a plurality of dials incorporated in a locker, a cabinet, etc., and more particularly, the present invention relates to a dial lock in which an unlock code string for unlocking is not easily stored by a third party. .

一般にダイヤル錠は、予め決められた解錠符号列が記憶機構に記憶させてあり、例えばロッカー使用者は、ロッカーに荷を入れるに際して、複数個のダイヤルを回動操作し、解錠符号列を整列させて解錠状態にした後、扉を開くための摘み操作を行う。ロッカーに荷を入れ、扉を閉じるための摘み操作を行った後、再びダイヤルを回動操作し、解錠符号列を崩して施錠状態にする。
ロッカーより荷を取り出すときも、複数個のダイヤルを回動操作し、解錠符号列を整列させて解錠状態にした後、扉を開くための摘み操作を行う。ロッカーより荷を取り出し、扉を閉じるための摘み操作を行った後、ロッカーが空であっても、再びダイヤルを回動操作し、解錠符号列を崩して施錠状態にしておく。 In general, a dial lock has a predetermined unlock code string stored in a storage mechanism. For example, a locker user rotates a plurality of dials to load an unlock code string when loading a locker. After aligning and unlocking, the knob operation is performed to open the door. After loading the locker and performing a knob operation to close the door, the dial is rotated again to break the unlock code string and bring it into a locked state.
When taking out the load from the locker, a plurality of dials are rotated to align the unlocked code strings to be in an unlocked state, and then a knob operation is performed to open the door. After taking out the load from the locker and performing a knob operation to close the door, even if the locker is empty, the dial is rotated again to break the unlock code string and keep it in the locked state.

典型的なダイヤル錠は、錠機構が組み込まれた胴体部の前面の開口部に前面プレートが装着された構造のものである。前面プレートにはダイヤル毎の窓孔が開設されており、各窓孔にダイヤルの外周部を臨ませ、施錠および解錠の各操作を可能としている。各ダイヤルの符号は外部より視認可能であり、特に解錠符号列が固定されている方式のダイヤル錠では、第三者に解錠符号列が記憶されると、防犯機能が果たせなくなる。そのため、ロッカーへ荷を入れるときもロッカーより荷を取り出すときも、扉を閉じた後、各ダイヤルを回動操作し、解錠符号列を崩して施錠状態にすることが必要である（例えば、特許文献１参照）。   A typical dial lock has a structure in which a front plate is attached to an opening on a front surface of a body portion in which a lock mechanism is incorporated. A window hole for each dial is formed in the front plate, and the outer peripheral part of the dial faces each window hole to enable each operation of locking and unlocking. The code of each dial can be visually recognized from the outside. Particularly, in the case of a dial lock in which the unlock code string is fixed, the security function cannot be performed if the unlock code string is stored in a third party. Therefore, both when loading into the locker and when removing the load from the locker, after closing the door, it is necessary to rotate each dial to break the unlock code string into a locked state (for example, Patent Document 1).

特開２０１０−３７８１６号公報JP 2010-37816 A

しかし、特に、ロッカーより荷を取り出したとき、解錠符号列を崩す操作を忘れることがあり、その場合、解錠符号列が露わになった状態となり、第三者は解錠符号列を即座に読み取って記憶することができる。また、ロッカーへ荷を入れたとき、次の解錠操作の手数を軽減するため、複数個のダイヤルのうちの特定の１個のダイヤルのみを回動操作して解錠符号列を崩すようなことが行われている。仮に解錠符号列が４桁で構成されていると仮定すると、解錠符号列の３桁分は常に露わな状態になっており、第三者は解錠符号列の３桁分を読み取って記憶すれば、残りの１桁についてダイヤルを合わせれば簡単に解錠できるため、防犯機能が著しく低下する。   However, especially when the load is taken out from the locker, the operation of breaking the unlock code string may be forgotten. In that case, the unlock code string is exposed, and the third party can use the unlock code string. It can be read and stored instantly. In addition, when loading the locker, in order to reduce the number of steps for the next unlocking operation, only one specific dial of the plurality of dials is rotated to break the unlocking code string. Things have been done. Assuming that the unlock code string is composed of 4 digits, the 3 digits of the unlock code string are always exposed, and the third party reads the 3 digits of the unlock code string. If memorized, the crime prevention function is significantly reduced because the remaining one digit can be easily unlocked by matching the dial.

この発明は、上記の問題に着目してなされたもので、たとえ、解錠のための解錠符号列の全部または一部が崩されないまま放置されても、解錠符号列が第三者に即座に読み取られて記憶されるおそれのないダイヤル錠を提供することを目的とする。   The present invention has been made paying attention to the above-mentioned problem. Even if all or part of the unlocking code string for unlocking is left undisrupted, the unlocking code string can be transferred to a third party. An object of the present invention is to provide a dial lock that can be read and stored immediately.

この発明によるダイヤル錠は、錠機構が組み込まれた胴体部と、胴体部の前面の開口部に装着され複数個のダイヤルを施錠および解錠の各操作が可能なように外部に臨ませる前面プレートとを有し、前記前面プレートには、各ダイヤルの符号が見えないように全てのダイヤルを覆うことが可能な大きさの蓋板がヒンジ機構を介して開閉可能に設けられて成るものであり、前記ヒンジ機構は、前面プレート上の全てのダイヤルを挟んで対向する位置に前面プレートと一体形成された軸受部に互いに対向するように形成された有底の軸受穴と、各軸受部に対向させる蓋板の端部位置に開口する軸支穴と、各軸支穴内に回動不能かつスライド自由に支持され各軸支穴より突出する先端部の丸軸部が各軸受部の軸受穴にそれぞれ回動自由に支持される枢軸と、各枢軸にバネ圧が作用するよう前記軸支穴内に圧縮された状態で設けられるバネとで構成されている。各枢軸の丸軸部の先端部は、先が尖った尖端縁を頂部として反対方向を向くテーパ面が軸周面に向けて裾拡がりとなるように先細の形状に形成され、一方、各軸受穴の穴底にはＶ溝が形成されている。蓋板が閉じた状態のときは各枢軸の丸軸部の各テーパ面がＶ溝の対向する溝壁に、尖端縁はＶ溝の溝底部に、それぞれ当接した状態となり、蓋が９０度開いた状態のときは尖端縁がＶ溝の溝底部と直交して溝開口上に跨った状態となることにより、蓋板の開き角度が９０度より大きいときは前記バネのバネ圧により蓋板をさらに開く方向へ付勢し、開き角度が９０度より小さいときは前記バネのバネ圧により蓋板を閉じる方向へ付勢する機構が構成されている。 The dial lock according to the present invention includes a body portion in which a lock mechanism is incorporated, and a front plate that is attached to an opening on the front surface of the body portion and faces a plurality of dials so that each operation of locking and unlocking can be performed. The front plate is provided with a cover plate of a size capable of covering all the dials so that the signs of the respective dials cannot be seen through a hinge mechanism. The hinge mechanism has a bottomed bearing hole formed so as to face each other and a bearing portion integrally formed with the front plate at positions facing each other across all dials on the front plate, and opposed to each bearing portion. The shaft support hole that opens to the end position of the cover plate to be moved, and the round shaft portion of the tip that protrudes from each shaft support hole that is non-rotatable and slidably supported in each shaft support hole are the bearing holes of each bearing portion. Each is freely supported A shaft, and a spring is provided in a state in which the spring pressure to each pivot is compressed within the shaft support hole to act. The tip of the round shaft portion of each pivot is formed in a tapered shape such that a taper surface facing the opposite direction with the pointed tip edge as the top is widened toward the shaft circumferential surface, while each bearing A V-groove is formed at the bottom of the hole. When the cover plate is in a closed state, the taper surfaces of the round shaft portions of the pivots are in contact with the groove walls facing the V-groove, the tip edges are in contact with the groove bottom of the V-groove, and the lid is 90 degrees. When in the open state, the pointed edge is perpendicular to the groove bottom of the V-groove and straddles the groove opening. When the opening angle of the cover plate is larger than 90 degrees, the cover plate is pressed by the spring pressure of the spring. Is further biased in the opening direction, and when the opening angle is smaller than 90 degrees, a mechanism is formed to bias the lid plate in the closing direction by the spring pressure of the spring .

上記したダイヤル錠では、各軸受部に対向させる蓋板の端部位置を支点として蓋板を回動させることで蓋板が開いて全てのダイヤルが露出するので、各ダイヤルによる解錠または施錠のための操作が可能となる。また、蓋板を逆方向へ回動させることで蓋板が閉じて全てのダイヤルが覆われる。この蓋板によって全てのダイヤルが覆われて各ダイヤルの符号が見えないようになっているので、たとえ、解錠のための解錠符号列の全部または一部が崩されないまま放置されても、解錠符号列が第三者に即座に読み取られて記憶されるおそれはない。
また、このダイヤル錠では、蓋板を開いて蓋板の開き角度が９０度より大きくなると、蓋板はさらに開く方向へ付勢されるので、蓋板は開放状態が維持され、蓋板から手を離しても蓋板は閉動作せず、両手が自由に使えて解錠操作や施錠操作が行い易くなる。また、蓋板を閉じて蓋板の開き角度が９０度より小さくなると、蓋板は閉じる方向へ付勢されるので、蓋板は半開き状態になることがなく、完全に閉じた状態で安定する。 In the above-described dial lock, the cover plate is opened by rotating the cover plate with the end position of the cover plate facing each bearing as a fulcrum, so that all the dials are exposed. Operation is possible. Further, by rotating the cover plate in the reverse direction, the cover plate is closed and all dials are covered. Since all the dials are covered with this cover plate so that the codes of each dial cannot be seen, even if all or part of the unlocking code string for unlocking is left undisrupted, There is no possibility that the unlock code string is immediately read and stored by a third party.
Further, in this dial lock, when the cover plate is opened and the opening angle of the cover plate becomes larger than 90 degrees, the cover plate is further urged in the opening direction. Even if the cover is released, the lid plate does not close, and both hands can be used freely to facilitate unlocking and locking operations. Further, when the lid plate is closed and the opening angle of the lid plate becomes smaller than 90 degrees, the lid plate is biased in the closing direction, so that the lid plate is not half-opened and is stable in the completely closed state. .

この発明の好ましい実施態様においては、前記蓋板は、横並びのダイヤルに対して上開きまたは下開きとなるように、両側端の上端部または下端部がヒンジ機構により回動可能に支持されるものであり、この発明の他の好ましい実施態様においては、前記蓋板は、縦並びのダイヤルに対して右開きまたは左開きとなるように、上下端の右側端部または左側端部がヒンジ機構により回動可能に支持されるものである。   In a preferred embodiment of the present invention, the lid plate is supported by a hinge mechanism so that the upper end portion or the lower end portion of both side ends can be pivoted so as to be opened upward or downward with respect to the dials arranged side by side. In another preferred embodiment of the present invention, the right or left end of the upper and lower ends is hinged by a hinge mechanism so that the cover plate opens right or left with respect to the vertically arranged dials. It is supported rotatably.

この発明によれば、たとえ、解錠のための解錠符号列の全部または一部が崩されないまま放置されても、蓋板により全てのダイヤルが覆われるので、解錠符号列が第三者に即座に読み取られて記憶されるおそれがない。   According to the present invention, even if all or part of the unlocking code string for unlocking is left undisturbed, all the dials are covered by the cover plate, so that the unlocking code string is a third party. There is no danger of being read and stored immediately.

この発明の一実施例であるダイヤル錠を示す斜視図である。It is a perspective view which shows the dial lock which is one Example of this invention. 蓋板を開いた状態のダイヤル錠の側面図である。It is a side view of the dial lock of the state which opened the cover plate. 蓋板を閉じた状態のダイヤル錠の正面図である。It is a front view of the dial lock of the state which closed the cover plate. 蓋板を閉じた状態のダイヤル錠の底面図である。It is a bottom view of the dial lock with the lid plate closed. 蓋板を閉じた状態のダイヤル錠の一部を断面した側面図である。It is the side view which carried out the cross section of a part of dial lock of the state which closed the cover plate. ダイヤル錠の前面プレートおよび蓋板を分解して示す斜視図である。It is a perspective view which decomposes | disassembles and shows the front plate and cover plate of a dial lock. ヒンジ機構の構成を示す断面図である。It is sectional drawing which shows the structure of a hinge mechanism. 図７のＡ−Ａ線に沿う断面図である。It is sectional drawing which follows the AA line of FIG. 図７のＢ−Ｂ線に沿う断面図であるIt is sectional drawing which follows the BB line of FIG. 軸受穴を正面から見た図である。It is the figure which looked at the bearing hole from the front. 蓋板の開閉に伴って軸回動する枢軸と軸受穴との関わりを示す平面図である。It is a top view which shows the relationship between the pivot which rotates an axis with opening and closing of a cover plate, and a bearing hole. 蓋板の開閉に伴って軸回動する枢軸の状態を示す側面図である。It is a side view which shows the state of the pivot pivoted with opening and closing of a cover board. この発明の他の実施例のダイヤル錠を示す斜視図である。It is a perspective view which shows the dial lock of the other Example of this invention. 蓋板を開いた状態の図１３の実施例の平面図である。FIG. 14 is a plan view of the embodiment of FIG. 13 with the lid plate open. 蓋板を閉じた状態の図１３の実施例の正面図である。It is a front view of the Example of FIG. 13 of the state which closed the cover plate. この発明の他の実施例のダイヤル錠を示す斜視図である。It is a perspective view which shows the dial lock of the other Example of this invention. 蓋板を開いた状態の図１６の実施例の平面図である。FIG. 17 is a plan view of the embodiment of FIG. 16 with the lid plate open. 蓋板を閉じた状態の図１６の実施例の正面図である。FIG. 17 is a front view of the embodiment of FIG. 16 with the lid plate closed. 他の実施例のダイヤル錠であって蓋板を右開きに設定した状態を示す斜視図である。It is a perspective view which shows the state which is the dial lock of another Example , and set the cover plate to the right opening. 図１９の実施例であって蓋板を左開きに設定した状態を示す斜視図である。FIG. 20 is a perspective view showing the embodiment of FIG. 19 with the lid plate set to open left. この発明の他の実施例のダイヤル錠を示す側面図である。It is a side view which shows the dial lock of the other Example of this invention. この発明の他の実施例のダイヤル錠を示す平面図である。It is a top view which shows the dial lock of the other Example of this invention. 他の実施例のダイヤル錠を示す平面図である。It is a top view which shows the dial lock of another Example. 図２３のＣ−Ｃ線に沿って一部を断面した側面図である。FIG. 24 is a side view, partly in section, taken along line CC in FIG. 23.

図１〜図４は、この発明の一実施例である蓋開閉機構２を有するダイヤル錠１の外観を示し、図１および図２に蓋板３が開かれた状態が、図３および図４に蓋板３が閉じられた状態が、それぞれ示してある。
図示のダイヤル錠１は、ロッカーなどの扉に取り付けられるもので、直方体をなす中空の胴体部１０の内部に錠機構が組み込まれるとともに、図６に示すように、胴体部１０の前面の開口部１１に合成樹脂製の前面プレート７が装着されたものである。前面プレート７には、円形の開口部７０と４個の矩形状の窓孔７１とが開設され、開口部７０には摘み１２を、各窓孔７１にはダイヤル１３を、それぞれ臨ませてダイヤル操作部１４を構成している。横並びの各ダイヤル１３は、解錠および施錠に際して解錠符号列を揃えたり崩したりするのに操作されるもので、外周面に複数個の符号（例えば、０〜９の数字）が表されている。胴体部１０の後面には摘み１２と一体に回動するネジ軸１５が突出し、このネジ軸１５に図示しない掛け金具がナットにより取り付けられる。掛け金具はネジ軸１５の正逆回動と一体に起伏動作し、ロッカーなどの筐体側に取り付けられた受け金具に係脱する。 1 to 4 show the appearance of a dial lock 1 having a lid opening / closing mechanism 2 according to an embodiment of the present invention. The state in which the lid plate 3 is opened in FIGS. 1 and 2 is shown in FIGS. The state in which the cover plate 3 is closed is shown respectively.
The illustrated dial lock 1 is attached to a door such as a locker, and a lock mechanism is incorporated in a hollow body 10 forming a rectangular parallelepiped, and an opening on the front surface of the body 10 as shown in FIG. 11 is provided with a front plate 7 made of synthetic resin. The front plate 7 is provided with a circular opening 70 and four rectangular window holes 71, dials 12 facing each of the window holes 71 and dials 12, respectively. The operation unit 14 is configured. The side-by-side dials 13 are operated to align and break the unlocking code string during unlocking and locking, and a plurality of codes (for example, numbers 0 to 9) are represented on the outer peripheral surface. Yes. A screw shaft 15 that rotates integrally with the knob 12 protrudes from the rear surface of the body portion 10, and a hook (not shown) is attached to the screw shaft 15 with a nut. The hanging metal moves up and down integrally with the forward / reverse rotation of the screw shaft 15, and is engaged with and disengaged from a receiving metal attached to the housing such as a locker.

ダイヤル錠１は解錠符号列が記憶機構に記憶されており、施錠に際して、ダイヤル操作部１４の複数個のダイヤル１３を回動操作して解錠符号列を整列させると、解錠状態となり、摘み１２を回して掛け金具を回動させることができる。掛け金具を受け金具に係合させた後、ダイヤル１３を回動操作して解錠符号列を崩すと、施錠状態になり、摘み１２を回すことができなくなる。解錠に際して、ダイヤル１３を回動操作して解錠符号列を整列させると、解錠状態になり、摘み１２を回して掛け金具を前記と反対方向へ回動させ、受け金具との係合を外すことができる。   The unlocking code string of the dial lock 1 is stored in the storage mechanism. When the dial lock 1 is locked, when the unlocking code string is aligned by rotating the plurality of dials 13 of the dial operation unit 14, The handle 12 can be turned by turning the knob 12. If the unlocking code string is broken by rotating the dial 13 after the hanging metal fitting is engaged with the receiving metal fitting, the lock 12 is locked and the knob 12 cannot be turned. When unlocking, when the dial 13 is rotated to align the unlock code string, the unlocked state is obtained, and the knob 12 is turned to rotate the hook in the opposite direction to engage with the catch. Can be removed.

ダイヤル錠１のダイヤル操作部１４上には、全てのダイヤル１３を覆うことが可能な大きさの目隠しのための合成樹脂製の蓋板３が開閉可能に設けられている。なお、図示例の蓋板３は４個のダイヤル１３のみを覆う構成のものであるが、図２２に示すように、４個のダイヤル１３と摘み１２との両方を覆う構成のものであってもよい。蓋板３の下面には、上端縁に沿う筒状部３１、下端縁に沿う突縁部３２および摘み部３３、前面プレート７の隣合う窓孔７１，７１間に突き当たるリブ３４がそれぞれ一体形成されている。筒状部３１は、図７および図８に示すように、内部が中空であり、長さ中央部に仕切壁３５を有しており、仕切壁３５を挟む両側に後述する軸支穴３６ａ，３６ｂが形成されている。なお、仕切壁３５は各軸支穴３６ａ，３６ｂの穴底を構成している。   On the dial operation unit 14 of the dial lock 1, a cover plate 3 made of synthetic resin for blindfold having a size capable of covering all the dials 13 is provided to be openable and closable. The cover plate 3 in the illustrated example covers only the four dials 13, but as shown in FIG. 22, the cover plate 3 covers both the four dials 13 and the knob 12. Also good. On the lower surface of the cover plate 3, a cylindrical portion 31 along the upper edge, a projecting edge portion 32 and a knob 33 along the lower edge, and a rib 34 that abuts between the adjacent window holes 71 and 71 of the front plate 7 are integrally formed. Has been. As shown in FIG. 7 and FIG. 8, the cylindrical portion 31 is hollow inside, has a partition wall 35 at the center of the length, and shaft support holes 36 a, which will be described later, on both sides of the partition wall 35. 36b is formed. The partition wall 35 constitutes the bottom of each shaft support hole 36a, 36b.

蓋板３は、筒状部３１の両側端を支点として回動して前後方向へ起伏動作することにより開閉されるもので、筒状部３１の両側端部がヒンジ機構４を介して前面プレート７に支持されている。この実施例の構成では、蓋板３は上開きとなる。なお、ヒンジ機構４は、図示していないが、蓋板３の下面に下端縁に沿う筒状部を形成してその両側端を支点として回動させるように構成してもよく、その場合は蓋板３は下開きとなる。また、後述する図１３〜図１８の実施例のように、蓋板３の下面に一側端縁に沿う筒状部を形成してその上下端を支点として回動させるように構成してもよく、その場合は蓋板３は右開きまたは左開きとなる。   The cover plate 3 is opened and closed by rotating around the both side ends of the cylindrical portion 31 and moving up and down in the front-rear direction, and both end portions of the cylindrical portion 31 are connected to the front plate via the hinge mechanism 4. 7 is supported. In the configuration of this embodiment, the lid plate 3 opens upward. Although not shown, the hinge mechanism 4 may be configured to form a cylindrical portion along the lower end edge on the lower surface of the cover plate 3 and rotate the both side ends thereof as fulcrums. The lid plate 3 is opened downward. Further, as in the embodiments of FIGS. 13 to 18 described later, a cylindrical portion along one side edge is formed on the lower surface of the lid plate 3 and the upper and lower ends thereof are rotated as fulcrums. In that case, the cover plate 3 is opened to the right or left.

ヒンジ機構４は、蓋板３の開き角度θが９０度より大きい状態では蓋板３をさらに開放する方向へ付勢し、９０度より小さい状態では蓋板３を閉じる方向へ付勢する機能を有しており、前面プレート７の上面の全てのダイヤル１３を挟んで対向する位置に突設された左右の軸受部７２ａ，７２ｂと、蓋板３の筒状部３１の両側端に開口する前記軸支穴３６ａ，３６ｂ内にそれぞれ回動不能かつスライド自由に支持される左右の合成樹脂製の枢軸５ａ，５ｂと、各軸支穴３６ａ，３６ｂ内の仕切壁３５と枢軸５ａ，５ｂとの間に介装されるバネ６ａ，６ｂとで構成されている。各軸支穴３６ａ，３６ｂは、図９に示すように、径方向の断面が四角形状の角穴であり、一方、枢軸５ａ，５ｂの基端部は角穴に適合する断面形状の角軸部５１になっている。なお、前記の各軸支穴３６ａ，３６ｂ内の仕切壁３５は必ずしも不可欠なものではなく、この仕切壁３５をなくし、２個のバネ６ａ，６ｂを１個のバネに代えて、そのバネを枢軸５ａ，５ｂ間に介装するようにしてもよい。   The hinge mechanism 4 has a function of urging the cover plate 3 in a further opening direction when the opening angle θ of the cover plate 3 is larger than 90 degrees, and urging the cover plate 3 in a closing direction when the opening angle θ is smaller than 90 degrees. The left and right bearing portions 72a and 72b projecting at positions facing each other across all the dials 13 on the upper surface of the front plate 7 and the both side ends of the cylindrical portion 31 of the cover plate 3 are opened. The left and right synthetic resin pivots 5a and 5b, which are respectively non-rotatable and slidably supported in the pivot support holes 36a and 36b, and the partition walls 35 and pivots 5a and 5b in the pivot support holes 36a and 36b. It comprises springs 6a and 6b interposed therebetween. As shown in FIG. 9, each of the shaft support holes 36a and 36b is a square hole having a square cross section in the radial direction. It is part 51. The partition walls 35 in the shaft support holes 36a and 36b are not necessarily indispensable. The partition walls 35 are eliminated, the two springs 6a and 6b are replaced with one spring, and the springs are used. You may make it interpose between the pivots 5a and 5b.

前記軸受部７２ａ，７２ｂは前面プレート７上に一体形成されており、各軸受部７２ａ，７２ｂに連なる側縁枠７３ａ，７３ｂと一体形成されている。各軸受部７２ａ，７２ｂの互いに対向する位置には、図１０に示すように、有底の軸受穴７４ａ，７４ｂが形成されており、各軸受穴７４ａ，７４ｂに蓋板３の筒状部３１の開口端より突出する枢軸５ａ，５ｂの先端部の丸軸部５２が回動自由に支持される。   The bearing portions 72a and 72b are integrally formed on the front plate 7, and are integrally formed with side edge frames 73a and 73b connected to the bearing portions 72a and 72b. As shown in FIG. 10, bottomed bearing holes 74 a and 74 b are formed at positions where the bearing portions 72 a and 72 b face each other, and the cylindrical portion 31 of the cover plate 3 is formed in each bearing hole 74 a and 74 b. The round shaft portion 52 at the tip of the pivot shafts 5a and 5b protruding from the opening end of the shaft is supported freely.

各枢軸５ａ，５ｂの丸軸部５２の先端部は、図７および図８に示すように、反対方向を向くテーパ面５３，５３によって先細の形状に形成されており、先が尖った尖端縁５４を頂部として各テーパ面５３，５３が軸周面に向けて裾拡がりになっている。一方、左右の各軸受穴７４ａ，７４ｂの穴底にはＶ字状の溝（以下「Ｖ溝」という。）７５が形成されており、蓋板３が閉じた状態のときに前記丸軸部５２の各テーパ面５３，５３はＶ溝７５の対向する溝壁に、尖端縁５４はＶ溝７５の溝底部７６に、それぞれ当接する。   As shown in FIGS. 7 and 8, the distal end portion of the round shaft portion 52 of each pivot 5a, 5b is formed in a tapered shape by tapered surfaces 53, 53 facing in opposite directions, and has a sharp pointed edge. Each taper surface 53, 53 has a skirt extending toward the shaft circumferential surface with 54 as a top. On the other hand, V-shaped grooves (hereinafter referred to as “V-grooves”) 75 are formed in the bottoms of the left and right bearing holes 74a and 74b, and when the cover plate 3 is closed, the round shaft portion is formed. The tapered surfaces 53 and 53 of 52 are in contact with the opposing groove wall of the V groove 75, and the pointed edge 54 is in contact with the groove bottom 76 of the V groove 75.

図１３〜図１５は、この発明の他の実施例に係るダイヤル錠１の外観を示し、図１３および図１４に蓋板３が開かれた状態が、図１５に蓋板３が閉じられた状態が、それぞれ示してある。
この実施例は、４個のダイヤル１３が縦並びになっており、この縦並びの４個のダイヤル１３に対して蓋板３が右開きとなるように、蓋板３の上下端の右側端部がヒンジ機構４により回動可能に支持されている。また、この実施例では、蓋板３を９０度超えて開くとき、蓋板３の開き角度θがほぼ１８０度になるように、蓋板３の上面のヒンジ機構４に近い側に帯状のくぼみ部３７が蓋板３の全長にわたって形成されている。このくぼみ部３７の存在によって、蓋板３を９０度超えて開いたとき、前面プレート７の側縁部分がくぼみ部３７に入り込むことで、蓋板３が十分に開けるようになっている。 13 to 15 show the appearance of a dial lock 1 according to another embodiment of the present invention. FIG. 13 and FIG. 14 show the state in which the cover plate 3 is opened, and FIG. 15 shows the case in which the cover plate 3 is closed. Each state is shown.
In this embodiment, four dials 13 are arranged vertically, and the right and left end portions of the upper and lower ends of the cover plate 3 are arranged so that the cover plate 3 opens to the right with respect to the four dials 13 arranged vertically. Is rotatably supported by the hinge mechanism 4. Further, in this embodiment, when the cover plate 3 is opened over 90 degrees, a band-shaped depression is formed on the upper surface of the cover plate 3 on the side close to the hinge mechanism 4 so that the opening angle θ of the cover plate 3 is approximately 180 degrees. The portion 37 is formed over the entire length of the lid plate 3. Due to the presence of the indented portion 37, when the lid plate 3 is opened more than 90 degrees, the side edge portion of the front plate 7 enters the indented portion 37 so that the lid plate 3 can be sufficiently opened.

図１６〜図１８は、蓋板３を左開きとした実施例の外観を示し、図１６および図１７に蓋板３が開かれた状態が、図１８に蓋板３が閉じられた状態が、それぞれ示してある。
この実施例は、縦並びの４個のダイヤル１３に対して蓋板３が左開きとなるように、蓋板３の上下端の左側端部がヒンジ機構４により回動可能に支持されている。
なお、上記した図１３〜図１５の実施例および図１６〜図１８の実施例におけるヒンジ機構４は、図１〜図１２の実施例のものと同様の構成であり、ここでは説明を省略する。 16 to 18 show the external appearance of an embodiment in which the lid plate 3 is opened to the left. FIGS. 16 and 17 show the state where the lid plate 3 is opened, and FIG. 18 shows the state where the lid plate 3 is closed. , Respectively.
In this embodiment, the left and right end portions of the upper and lower ends of the cover plate 3 are rotatably supported by the hinge mechanism 4 so that the cover plate 3 opens to the left with respect to four dials 13 arranged vertically. .
The hinge mechanism 4 in the above-described embodiment shown in FIGS. 13 to 15 and the embodiment shown in FIGS. 16 to 18 has the same configuration as that in the embodiment shown in FIGS. .

図１９および図２０は、縦並びのダイヤル１３に対して蓋板３が右開きと左開きのいずれにもなるように構成されている実施例を示す。図１９に示すように、蓋板３を右開きとするときは、蓋板３の上下端の右側端部を上記の各実施例と同様の構成のヒンジ機構４により回動可能に支持し、また、図２０に示すように、蓋板３を左開きとするときは、蓋板３の上下端の左側端部を上記の各実施例と同様の構成のヒンジ機構４により回動可能に支持するもので、前面プレート７上の全てのダイヤル１３を挟んで対向する左右対称位置にそれぞれ軸受穴７４ａ，７４ａおよび７４ｂ，７４ｂが形成されている。 FIG. 19 and FIG. 20 show an embodiment in which the cover plate 3 is configured to be either right-open or left-open with respect to the dials 13 arranged vertically. As shown in FIG. 19, when the lid plate 3 is opened to the right, the right and left ends of the upper and lower ends of the lid plate 3 are rotatably supported by the hinge mechanism 4 having the same configuration as each of the above embodiments. As shown in FIG. 20, when the cover plate 3 is left-opened, the left end portions of the upper and lower ends of the cover plate 3 are rotatably supported by the hinge mechanism 4 having the same configuration as each of the above embodiments. Therefore, bearing holes 74a, 74a and 74b, 74b are respectively formed at left and right symmetrical positions facing each other across all dials 13 on the front plate 7.

なお、前面プレート７の使用しない側の軸受穴７４ａ，７４ｂ、すなわち、図１９に示す右開きの蓋板３の場合は左端側の軸受穴７４ａ，７４ｂ、図２０に示す左開きの蓋板３の場合は右端側の軸受穴７４ａ，７４ｂは開口状態のままにしてもよいが、軸受穴７４ａ，７４ｂ上に目隠しシートを貼設するなどして塞ぐようにしてもよい。
また、図示していないが、図１９，２０の実施例と同様、軸受穴７４ａ，７４ｂを適所に設けることにより、横並びのダイヤル１３に対して蓋板３が上開きと下開きのいずれにもなるように構成することもできる。 Note that the bearing holes 74a and 74b on the unused side of the front plate 7, that is, in the case of the right-open lid plate 3 shown in FIG. 19, the left-end bearing holes 74a and 74b, and the left-open lid plate 3 shown in FIG. In this case, the bearing holes 74a and 74b on the right end side may be left open, but may be closed by pasting a blind sheet on the bearing holes 74a and 74b.
Although not shown, like the embodiment of FIGS. 19 and 20, by providing the bearing holes 74a and 74b at appropriate positions, the cover plate 3 can be opened upward or downward with respect to the dials 13 arranged side by side. It can also be configured.

上記の各実施例では、ヒンジ機構４は、蓋板３の長辺側に沿う両端位置、すなわち、４個のダイヤル１３の並びを挟む蓋板３の両端位置に設けられているが、図２１および図２２に示す実施例のように、蓋板３の短辺側に沿う両端位置、すなわち、一方の端部のダイヤル１３を挟む蓋板３の両端位置に設けることで、蓋板３を上記の各実施例の開放方向と直角をなす方向に開くように構成することもできる。 In each of the above embodiments, the hinge mechanism 4 is provided at both end positions along the long side of the cover plate 3, that is, at both end positions of the cover plate 3 sandwiching the arrangement of the four dials 13. And as shown in the embodiment shown in FIG. 22 , the cover plate 3 is provided at both end positions along the short side of the cover plate 3, that is, at both end positions of the cover plate 3 with the dial 13 at one end interposed therebetween. It can also be configured to open in a direction perpendicular to the opening direction of each of the embodiments.

図２３および図２４は、蓋板３をスライド方式とした実施例を示している。図示のダイヤル錠１は、前面プレート７の上面の上下端縁にガイド部８，８を形成し、各ガイド部８の対向する内面に形成したガイド溝８０に蓋板３の上下の各端縁をスライド自由に支持するよう構成したものである。蓋板３の上面には取っ手８１が突設され、この取っ手８１に指先を引っ掛けて蓋板３を左右方向へ往復動させて開閉動作させる。なお、ガイド部８は前面プレート７の上面の左右に形成することもでき、この場合、蓋板３は上下方向にスライドさせて開閉動作させる。 23 and 24 show an embodiment in which the cover plate 3 is a slide system. In the illustrated dial lock 1, guide portions 8 and 8 are formed on upper and lower edges of the upper surface of the front plate 7, and upper and lower edges of the cover plate 3 are formed in guide grooves 80 formed on opposing inner surfaces of the guide portions 8. Is configured to support the slide freely. A handle 81 protrudes from the upper surface of the cover plate 3, and a fingertip is hooked on the handle 81 to reciprocate the cover plate 3 in the left-right direction to open and close. In addition, the guide part 8 can also be formed in the right and left of the upper surface of the front plate 7, and in this case, the cover plate 3 is slid up and down to be opened and closed.

上記した図１〜図１２に示す実施例のダイヤル錠１において、蓋板３が閉じた状態のとき、蓋板３によってダイヤル操作部１４が覆われているので、各ダイヤル１３の符号の並びを外部より視認できない。したがって、たとえ、解錠のための解錠符号列の全部または一部が崩されないまま放置されていても、解錠符号列が第三者に即座に読み取られて記憶されるおそれはない。   In the dial lock 1 of the embodiment shown in FIGS. 1 to 12 described above, when the cover plate 3 is in a closed state, the dial operation unit 14 is covered by the cover plate 3, so Not visible from outside. Therefore, even if all or part of the unlocking code string for unlocking is left undisturbed, there is no possibility that the unlocking code string is immediately read and stored by a third party.

蓋板３が閉状態のとき、ヒンジ機構４は、図１１（１）に示すように、左右の各軸受穴７４ａ，７４ｂの穴底のＶ溝７５の溝壁に、左右の枢軸５ａ，５ｂの丸軸部５２の各テーパ面５３，５３が当接するとともに、Ｖ溝７５の溝底部７６に丸軸部５２の尖端縁５４が当接することで閉状態が保持されている。なお、図１２（１）は、蓋板３を閉じた状態のときの各枢軸５ａ，５ｂの丸軸部５２の各テーパ面５３，５３および尖端縁５４の向きを示している。   When the cover plate 3 is in the closed state, the hinge mechanism 4 is provided with the left and right pivots 5a, 5b on the groove walls of the V grooves 75 at the bottoms of the left and right bearing holes 74a, 74b, as shown in FIG. The tapered surfaces 53 and 53 of the round shaft portion 52 are in contact with each other, and the pointed edge 54 of the round shaft portion 52 is in contact with the groove bottom portion 76 of the V groove 75 so that the closed state is maintained. FIG. 12A shows the directions of the tapered surfaces 53 and 53 and the pointed edge 54 of the round shaft portion 52 of the pivots 5a and 5b when the cover plate 3 is closed.

解錠に際して、蓋板３の摘み部３３を持って開くと、左右の枢軸５ａ，５ｂの丸軸部５２は左右の各軸受穴７４ａ，７４ｂ内を軸回動しつつ丸軸部５２の尖端縁５４がＶ溝７５の溝壁に沿って押し上げられる。蓋板３の開き角度θがほぼ９０度に達すると、図１１（２）および図１２（２）に示すように、丸軸部５２の尖端縁５４はＶ溝７５の溝底部７６と直交して溝開口上に跨った状態となる。この状態では各枢軸５ａ，５ｂがバネ６ａ，６ｂを圧縮して軸支穴３６ａ，３６ｂ内へ押し込んでいるので、バネ６ａ，６ｂが復帰しようとするバネ圧が各枢軸５ａ，５ｂに作用して丸軸部５２の尖端縁５４をＶ溝７５の溝壁に押し付ける結果、丸軸部５２の尖端縁５４がＶ溝７５の溝開口に跨った状態が保持され、蓋板３は開いた状態に保たれる。   When unlocking, when the handle 3 of the cover plate 3 is held open, the round shaft portions 52 of the left and right pivot shafts 5a and 5b pivot around the left and right bearing holes 74a and 74b, and the tip of the round shaft portion 52 is rotated. The edge 54 is pushed up along the groove wall of the V groove 75. When the opening angle θ of the cover plate 3 reaches approximately 90 degrees, the pointed edge 54 of the round shaft portion 52 is orthogonal to the groove bottom portion 76 of the V groove 75 as shown in FIGS. 11 (2) and 12 (2). Thus, the state is over the groove opening. In this state, the pivot shafts 5a and 5b compress the springs 6a and 6b and push them into the shaft support holes 36a and 36b, so that the spring pressure that the springs 6a and 6b try to return acts on the pivot shafts 5a and 5b. As a result of pressing the pointed edge 54 of the round shaft part 52 against the groove wall of the V groove 75, the state where the pointed edge 54 of the round shaft part 52 straddles the groove opening of the V groove 75 is maintained, and the cover plate 3 is opened. To be kept.

蓋板３をさらに開いて蓋板３の開き角度θが９０度を超えると、バネ６ａ，６ｂのバネ圧により蓋板３がさらに開放される方向へ付勢され、丸軸部５２の各テーパ面５３，５３が各軸受穴７４ａ，７４ｂのＶ溝７５に当接するに至るとき、蓋板３はほぼ１８０度開いた状態となる。この実施例では、図２に示すように、蓋板３の開き角度θがほぼ１３５度に達したとき、蓋板３がダイヤル錠１の胴体部１０の前面開口縁に突き当たるので、蓋板３はほぼ１３５度開いた状態に保たれる。
図１１（３）は、蓋板３が１３５度開いた状態のときの各枢軸５ａ，５ｂの丸軸部５２とＶ溝７５との関わり状態を、また、図１２（３）は丸軸部５２の各テーパ面５３，５３および尖端縁５４の向きを、それぞれ示している。 When the cover plate 3 is further opened and the opening angle θ of the cover plate 3 exceeds 90 degrees, the cover plate 3 is urged by the spring pressures of the springs 6a and 6b to open further, and each taper of the round shaft portion 52 is tapered. When the surfaces 53 and 53 come into contact with the V-grooves 75 of the bearing holes 74a and 74b, the cover plate 3 is in an open state of approximately 180 degrees. In this embodiment, as shown in FIG. 2, when the opening angle θ of the cover plate 3 reaches approximately 135 degrees, the cover plate 3 abuts against the front opening edge of the body portion 10 of the dial lock 1. Is kept open approximately 135 degrees.
11 (3) shows the relationship between the round shaft portion 52 of each pivot 5a, 5b and the V groove 75 when the cover plate 3 is opened 135 degrees, and FIG. 12 (3) shows the round shaft portion. The directions of the tapered surfaces 53, 53 and the tip edge 54 of 52 are shown.

上記したように、蓋板３の開き角度θが９０度のときは蓋板３は９０度開いた状態に保持され、さらに、開き角度θが９０度を超えたときは蓋板３は１３５度で開いた状態で保持されるので、蓋板３から手を離してダイヤル操作を行うことができる。各ダイヤル１３を回動操作して解錠符号列を揃えると、ダイヤル錠１は解錠状態となり、摘み１２を回してネジ軸１５を回動させて掛け金具を受け金具より外す。   As described above, when the opening angle θ of the lid plate 3 is 90 degrees, the lid plate 3 is held in an opened state of 90 degrees, and when the opening angle θ exceeds 90 degrees, the lid plate 3 is 135 degrees. Since it is held in the open state, the dial can be operated by releasing the hand from the cover plate 3. When the dials 13 are rotated to align the unlock code strings, the dial lock 1 is unlocked, and the knob 12 is turned to rotate the screw shaft 15 to remove the hook from the bracket.

施錠時は、解錠符号列を揃えた状態で摘み１２を回してネジ軸１５を回動させ、掛け金具を受け金具に係合させた後、ダイヤル１３を回動操作して解錠符号列を崩すと、ダイヤル錠１は施錠状態となる。
その後、蓋板３の摘み部３３を持って蓋板３を閉じるが、蓋板３の開き角度θが９０度より小さくなると、バネ６ａ，６ｂのバネ圧により蓋板３が閉じる方向へ付勢され、丸軸部５２の各テーパ面５３，５３が各軸受穴７４ａ，７４ｂのＶ溝７５の溝壁に当接し、尖端縁５４がＶ溝７５の溝底部７６に当接したとき、蓋板３は完全に閉じた状態で安定する。 At the time of locking, the knob 12 is turned with the unlocked code strings aligned, the screw shaft 15 is rotated, and the hook 13 is engaged with the metal fitting, and then the dial 13 is rotated to unlock the code string. When the dial is broken, the dial lock 1 is locked.
Thereafter, the cover plate 3 is closed with the knob 33 of the cover plate 3, but when the opening angle θ of the cover plate 3 is smaller than 90 degrees, the cover plate 3 is biased in the closing direction by the spring pressure of the springs 6 a and 6 b. When the tapered surfaces 53, 53 of the round shaft portion 52 abut against the groove wall of the V groove 75 of the bearing holes 74 a, 74 b and the pointed edge 54 abuts against the groove bottom 76 of the V groove 75, the cover plate 3 is stable in a completely closed state.

なお、図１３〜図２０に示す各実施例についても、上記の図１〜図１２の実施例と同様の機能を有し、同様の動作を行うものであり、ここではその説明を省略する。   Each of the embodiments shown in FIGS. 13 to 20 has the same function as that of the above-described embodiments of FIGS. 1 to 12 and performs the same operation, and the description thereof is omitted here.

１ ダイヤル錠
３ 蓋板
４ ヒンジ機構
５ａ，５ｂ 枢軸
６ａ，６ｂ バネ
７ 前面プレート
８ ガイド部
１０ 胴体部
１１ 開口部
７２ａ，７２ｂ 軸受部
７４ａ，７４ｂ 軸受穴
８０ スライド溝 DESCRIPTION OF SYMBOLS 1 Dial lock 3 Cover plate 4 Hinge mechanism 5a, 5b Pivot 6a, 6b Spring 7 Front plate 8 Guide part 10 Body part 11 Opening part 72a, 72b Bearing part 74a, 74b Bearing hole 80 Slide groove

Claims (3)

錠機構が組み込まれた胴体部と、胴体部の前面の開口部に装着され複数個のダイヤルを施錠および解錠の各操作が可能なように外部に臨ませる前面プレートとを有し、前記前面プレートには、各ダイヤルの符号が見えないように全てのダイヤルを覆うことが可能な大きさの蓋板がヒンジ機構を介して開閉可能に設けられて成るダイヤル錠において、
前記ヒンジ機構は、前面プレート上の全てのダイヤルを挟んで対向する位置に前面プレートと一体形成された軸受部に互いに対向するように形成された有底の軸受穴と、各軸受部に対向させる蓋板の端部位置に開口する軸支穴と、各軸支穴内に回動不能かつスライド自由に支持され各軸支穴より突出する先端部の丸軸部が各軸受部の軸受穴にそれぞれ回動自由に支持される枢軸と、各枢軸にバネ圧が作用するよう前記軸支穴内に圧縮された状態で設けられるバネとで構成され、
各枢軸の丸軸部の先端部は、先が尖った尖端縁を頂部として反対方向を向くテーパ面が軸周面に向けて裾拡がりとなるように先細の形状に形成され、一方、各軸受穴の穴底にはＶ溝が形成されており、蓋板が閉じた状態のときは各枢軸の丸軸部の各テーパ面がＶ溝の対向する溝壁に、尖端縁はＶ溝の溝底部に、それぞれ当接した状態となり、蓋が９０度開いた状態のときは尖端縁がＶ溝の溝底部と直交して溝開口上に跨った状態となることにより、蓋板の開き角度が９０度より大きいときは前記バネのバネ圧により蓋板をさらに開く方向へ付勢し、開き角度が９０度より小さいときは前記バネのバネ圧により蓋板を閉じる方向へ付勢する機構が構成されて成るダイヤル錠。 A body portion incorporating a locking mechanism, and a front plate that is attached to an opening on the front surface of the body portion and faces the outside so that a plurality of dials can be locked and unlocked. In the dial lock in which the plate is provided with a lid plate of a size that can cover all the dials so that the sign of each dial can not be seen can be opened and closed via a hinge mechanism,
The hinge mechanism has a bottomed bearing hole formed so as to be opposed to each other and a bearing portion integrally formed with the front plate at a position facing each other across all dials on the front plate, and opposed to each bearing portion. A shaft support hole that opens to the end position of the cover plate, and a round shaft portion at the tip that protrudes from each shaft support hole and that is non-rotatable and slidably supported in each shaft support hole is provided in each bearing hole. It is composed of pivots that are supported to freely rotate, and springs that are provided in a compressed state in the shaft support holes so that spring pressure acts on each pivot,
The tip of the round shaft portion of each pivot is formed in a tapered shape such that a taper surface facing the opposite direction with the pointed tip edge as the top is widened toward the shaft circumferential surface, while each bearing the hole bottom of the hole is formed with a V groove, when the state in which the cover plate is closed to the groove walls each tapered surface of the round shaft portion of the pivot axis opposite the V grooves, the grooves of the tip edge V groove When the lid is in contact with the bottom, and the lid is opened 90 degrees, the tip edge is perpendicular to the groove bottom of the V groove and straddles the groove opening, so that the opening angle of the lid plate is When the angle is larger than 90 degrees, the mechanism is configured to urge the cover plate further in the direction of opening by the spring pressure of the spring, and to urge the cover plate in the direction of closing the cover plate by the spring pressure of the spring when the opening angle is smaller than 90 degrees. Dial lock that is made up. 前記蓋板は、横並びのダイヤルに対して上開きまたは下開きとなるように、両側端の上端部または下端部がヒンジ機構を介して回動可能に支持されるものである請求項１に記載されたダイヤル錠。 The upper end or lower end of each side end is supported rotatably via a hinge mechanism so that the lid plate is open upward or downward with respect to the dials arranged side by side. Dial lock. 前記蓋板は、縦並びのダイヤルに対して右開きまたは左開きとなるように、上下端の右側端部または左側端部がヒンジ機構を介して回動可能に支持されるものである請求項１に記載されたダイヤル錠。 The right and left ends of the upper and lower ends are rotatably supported via a hinge mechanism so that the cover plate is opened to the right or left with respect to the vertically arranged dials. The dial lock described in 1.
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