JP5764635B2 - Locking device - Google Patents

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JP5764635B2
JP5764635B2 JP2013216888A JP2013216888A JP5764635B2 JP 5764635 B2 JP5764635 B2 JP 5764635B2 JP 2013216888 A JP2013216888 A JP 2013216888A JP 2013216888 A JP2013216888 A JP 2013216888A JP 5764635 B2 JP5764635 B2 JP 5764635B2
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pin
key
hole
lock
peripheral surface
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JP2015078550A (en
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一弘 小粥
一弘 小粥
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Takigen Manufacturing Co Ltd
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Takigen Manufacturing Co Ltd
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Description

本発明は、鍵の複製、ピッキング用具による不正解錠が困難で、多数の鍵違いを作成できる錠装置に関するものである。   The present invention relates to a lock device that makes it difficult to duplicate a key and unlock it with a picking tool, and to create a large number of key differences.

シリンダー錠と称される錠装置では、シリンダケースに回転可能にプラグを収容し、シリンダケースとプラグ間に設けたピンタンブラ錠機構によってプラグをシリンダケースに対して回転不能に拘束する。プラグの鍵穴に鍵板を挿入することによって、ピンタンブラ錠機構を拘束解除方向に操作する。このような錠装置は、合い鍵の複製が比較的容易にでき、またピッキング用具を用いたピンタンブラ錠機構の無効化も比較的容易にできるので、不正解錠による被害が跡を絶たない。ピッキングによる不正解錠を困難にする錠装置も種々提案されている(例えば特許文献1)。   In a lock device called a cylinder lock, a plug is rotatably accommodated in a cylinder case, and the plug is non-rotatably restrained with respect to the cylinder case by a pin tumbler lock mechanism provided between the cylinder case and the plug. By inserting a key plate into the keyhole of the plug, the pin tumbler lock mechanism is operated in the restraint releasing direction. Such a locking device can relatively easily duplicate the key and can also relatively easily invalidate the pin tumbler locking mechanism using the picking tool. Various lock devices that make unauthorized unlocking by picking difficult have been proposed (for example, Patent Document 1).

特開2000−352229号公報JP 2000-352229 A

本発明は、鍵の複製、ピッキング用具による不正解錠が困難で、多数の鍵違いを作成できる錠装置を提供することを目的としている。   SUMMARY OF THE INVENTION An object of the present invention is to provide a lock device that is difficult to duplicate a key and unlocks it with a picking tool and that can create a large number of key differences.

以下、添付図面の符号を参照して説明するが、本発明はこれに限定されるものではない。
上記課題を解決するための、本発明の錠装置1は、錠前2と、この錠前2を施解錠操作するための鍵3とからなる。錠前2は、概略円筒形のシリンダケース4と、その内側に施錠位置と解錠位置の間を軸周り回転可能に挿入されたプラグ5とを具備する。シリンダケース4は、半径方向に延びて内周面4aに開口する複数のドライバピン孔6を有する。プラグ5は、前端に開口して軸線方向に延びる鍵挿入空間を形成する鍵穴7と、ドライバピン孔6に対応する位置において外周面5aから鍵穴7に貫通する複数のコードピン孔8とを具備する。ドライバピン孔6には、ドライバピン9が移動自在に挿入され、シリンダケース4の内周面4aの方向に付勢される。コードピン孔8には、コードピン11が移動自在に挿入される。鍵3は、複数のピン操作部12を具備する。ピン操作部12は、鍵3を錠前2の鍵穴7への挿入した時、コードピン11の先端に当接して、コードピン11とドライバピン9との接触面をプラグ5の外周面5aに一致させることにより、プラグ5の解錠方向への回転を可能とする。プラグ5の鍵穴7は、鍵挿入空間が広い前方部7aと、この前方部に対して段部7bを介して鍵挿入空間が狭くなる奥方の狭小部7cとを具備する。プラグ5の最奥部の一のコードピン孔8a及びこれに対応するシリンダケース4の最奥部の一のドライバピン孔6aは、鍵穴7の狭小部7cに対応する位置に配置される。鍵本体13は、鍵穴7の前方部7aに対応する幅広部13aと、狭小部7cに対応する幅狭部13bとを有する。鍵3の最先端に位置するピン操作部12は、操作ピン14からなる。操作ピン14は、鍵本体13の幅狭部13bに、鍵3の挿入方向に対して直交方向に出没自在に保持され、鍵3を鍵穴7に挿入するとき、鍵穴7の前方部7aの内面には接触せず、狭小部7cの内面には摺接し、最奥部のコードピン孔8aに合致したとき、先端部が鍵本体13の幅狭部13bから突出して最奥部のコードピン11aの先端に当接するように付勢される。操作ピン14がコードピン11aの先端に当接すると、コードピン11aを押して、コードピン11aとドライバピン9aとの接触面をプラグ5の外周面5aに一致させる。
Hereinafter, the present invention will be described with reference to the accompanying drawings, but the present invention is not limited thereto.
The locking device 1 of the present invention for solving the above problems includes a lock 2 and a key 3 for operating the lock 2 to lock and unlock. The lock 2 includes a substantially cylindrical cylinder case 4 and a plug 5 that is inserted therein so as to be rotatable about an axis between a locked position and an unlocked position. The cylinder case 4 has a plurality of driver pin holes 6 extending in the radial direction and opening in the inner peripheral surface 4a. The plug 5 includes a key hole 7 that opens to the front end and forms a key insertion space extending in the axial direction, and a plurality of cord pin holes 8 that penetrate from the outer peripheral surface 5a to the key hole 7 at positions corresponding to the driver pin holes 6. To do. A driver pin 9 is movably inserted into the driver pin hole 6 and is urged toward the inner peripheral surface 4 a of the cylinder case 4. A cord pin 11 is movably inserted into the cord pin hole 8. The key 3 includes a plurality of pin operation units 12. When the key 3 is inserted into the key hole 7 of the lock 2, the pin operation unit 12 contacts the tip of the cord pin 11, and the contact surface between the cord pin 11 and the driver pin 9 coincides with the outer peripheral surface 5 a of the plug 5. By doing so, the plug 5 can be rotated in the unlocking direction. The key hole 7 of the plug 5 includes a front portion 7a having a wide key insertion space and a narrow portion 7c in the back where the key insertion space is narrowed via a step portion 7b with respect to the front portion. The cord pin hole 8 a at the innermost part of the plug 5 and the driver pin hole 6 a at the innermost part of the cylinder case 4 corresponding thereto are arranged at positions corresponding to the narrow part 7 c of the key hole 7. The key body 13 has a wide portion 13a corresponding to the front portion 7a of the keyhole 7, and a narrow portion 13b corresponding to the narrow portion 7c. The pin operation unit 12 located at the forefront of the key 3 includes an operation pin 14. The operation pin 14 is held by the narrow portion 13b of the key body 13 so as to be able to protrude and retract in a direction orthogonal to the insertion direction of the key 3, and when the key 3 is inserted into the key hole 7, the inner surface of the front portion 7 a of the key hole 7. Is in sliding contact with the inner surface of the narrow portion 7c, and when it is aligned with the innermost code pin hole 8a, the tip portion protrudes from the narrow portion 13b of the key body 13 and the innermost code pin 11a. It is urged | biased so that it may contact | abut. When the operation pin 14 comes into contact with the tip of the cord pin 11 a, the cord pin 11 a is pushed so that the contact surface between the cord pin 11 a and the driver pin 9 a coincides with the outer peripheral surface 5 a of the plug 5.

本発明の扉の錠装置1は、鍵本体13に、コードピン11aを操作するための操作ピン14が組み込まれるため、鍵の複製が困難である。鍵穴7の奥部が狭小で、ピッキング用具による不正解錠が困難である。操作ピン14とこれに対応するコードピン11aの長さ変更により多数の鍵違いを作成できる。操作ピン14は、鍵穴7の奥部の狭小部7cのみに摺接するから、使用による摩耗が少なく、長期使用に耐える。   In the door locking device 1 of the present invention, since the operation pin 14 for operating the code pin 11a is incorporated in the key body 13, it is difficult to duplicate the key. The inner part of the keyhole 7 is narrow, and it is difficult to perform unauthorized unlocking with a picking tool. Numerous key differences can be created by changing the lengths of the operation pin 14 and the corresponding code pin 11a. Since the operation pin 14 is in sliding contact with only the narrow portion 7c at the back of the keyhole 7, there is little wear due to use, and it can withstand long-term use.

錠前から鍵を抜き取った状態の錠装置の断面図である。It is sectional drawing of the locking device of the state which extracted the key from the lock. 図1の錠装置の解錠操作を順を追って示す断面図である。It is sectional drawing which shows the unlocking operation of the locking device of FIG. 1 later on. 図1の錠装置の解錠操作を順を追って示す断面図である。It is sectional drawing which shows the unlocking operation of the locking device of FIG. 1 later on. 図1の錠装置の解錠操作を順を追って示す断面図である。It is sectional drawing which shows the unlocking operation of the locking device of FIG. 1 later on. 図1の錠装置の解錠操作を順を追って示す断面図である。It is sectional drawing which shows the unlocking operation of the locking device of FIG. 1 later on. 図1の錠装置の解錠操作を順を追って示す断面図である。It is sectional drawing which shows the unlocking operation of the locking device of FIG. 1 later on. 図1のVII−VIIによる鍵の断面図である。It is sectional drawing of the key by VII-VII of FIG.

図面を参照して本発明の実施の形態を説明する。
この実施形態のストッパ錠装置1は、錠前2と、この錠前2を施解錠操作するための鍵3とからなる。
Embodiments of the present invention will be described with reference to the drawings.
The stopper locking device 1 of this embodiment includes a lock 2 and a key 3 for operating the lock 2 to lock and unlock.

錠前2は、概略円筒形のシリンダケース4と、その内側に施錠位置と解錠位置の間を軸周り回転可能に挿入されたプラグ5とを具備する。   The lock 2 includes a substantially cylindrical cylinder case 4 and a plug 5 that is inserted therein so as to be rotatable about an axis between a locked position and an unlocked position.

シリンダケース4は、半径方向に延びて内周面4aに開口する複数のドライバピン孔6を有する。   The cylinder case 4 has a plurality of driver pin holes 6 extending in the radial direction and opening in the inner peripheral surface 4a.

プラグ5は、前端に開口して軸線方向に延び、鍵挿入空間を形成する鍵穴7と、ドライバピン孔6に対応する位置において外周面5aから鍵穴7に貫通する複数のコードピン孔8とを具備する。   The plug 5 has a key hole 7 that opens at the front end and extends in the axial direction to form a key insertion space, and a plurality of cord pin holes 8 that penetrate from the outer peripheral surface 5a to the key hole 7 at positions corresponding to the driver pin holes 6. It has.

シリンダケース4のドライバピン孔6には、ドライバピン9が移動自在に挿入され、ばね10により、シリンダケースの内周面4aの方向に付勢される。   A driver pin 9 is movably inserted into the driver pin hole 6 of the cylinder case 4 and is urged by a spring 10 toward the inner peripheral surface 4a of the cylinder case.

プラグ5のコードピン孔8には、コードピン11が移動自在に挿入される。
鍵3は、複数のピン操作部12を具備する。ピン操作部12は、鍵3を錠前2の鍵穴7への挿入した時、コードピン11の先端に当接して、これを非ロック位置へ移動させ、コードピン11とドライバピン9との接触面をプラグの外周面5a(シリンダケースの内周面4a)に一致させる。これにより、プラグ5の解錠方向への回転を可能とする。
A cord pin 11 is movably inserted into the cord pin hole 8 of the plug 5.
The key 3 includes a plurality of pin operation units 12. When the key 3 is inserted into the key hole 7 of the lock 2, the pin operation unit 12 abuts against the tip of the cord pin 11 and moves it to the unlocked position, and the contact surface between the cord pin 11 and the driver pin 9. Is aligned with the outer peripheral surface 5a of the plug (the inner peripheral surface 4a of the cylinder case). Thereby, the plug 5 can be rotated in the unlocking direction.

プラグ5の鍵穴7は、鍵挿入空間が広い前方部7aと、この前方部に対して段部7bを介して鍵挿入空間が狭くなる奥方の狭小部7cとを具備する。   The key hole 7 of the plug 5 includes a front portion 7a having a wide key insertion space and a narrow portion 7c in the back where the key insertion space is narrowed via a step portion 7b with respect to the front portion.

プラグ5の最奥部の一のコードピン孔8a及びこれに対応するシリンダケース4の最奥部の一のドライバピン孔6aは、鍵穴7の狭小部7cに対応する位置に配置される。   The cord pin hole 8 a at the innermost part of the plug 5 and the driver pin hole 6 a at the innermost part of the cylinder case 4 corresponding thereto are arranged at positions corresponding to the narrow part 7 c of the key hole 7.

鍵3は、鍵本体13と、操作ピン14とからなる。鍵本体13の挿入部は、所定の厚さと幅を持った板状体で構成され、そこにコードピン11の先端に当接する複数のピン操作部12が設けられる。操作ピン14の先端は、複数のピン操作部12のうちの最先端部に位置する一のピン操作部12aを構成する。   The key 3 includes a key body 13 and an operation pin 14. The insertion portion of the key body 13 is formed of a plate-like body having a predetermined thickness and width, and a plurality of pin operation portions 12 that abut on the tip of the cord pin 11 are provided there. The distal end of the operation pin 14 constitutes one pin operation unit 12 a located at the most distal part of the plurality of pin operation units 12.

鍵本体13は、鍵穴の前方部7aに対応する幅広部13aと、狭小部7cに対応する幅狭部13bとを有する。幅狭部13bの厚さ部分に、幅方向(鍵の挿入方向に対して直交方向)に操作ピン孔15が形成される。操作ピン14は、先端が操作ピン孔15から突出するように、操作ピン孔15内に付勢ばね16を介して保持される。   The key body 13 has a wide portion 13a corresponding to the front portion 7a of the keyhole and a narrow portion 13b corresponding to the narrow portion 7c. An operation pin hole 15 is formed in the thickness direction of the narrow portion 13b in the width direction (direction orthogonal to the key insertion direction). The operation pin 14 is held in the operation pin hole 15 via a biasing spring 16 such that the tip protrudes from the operation pin hole 15.

操作ピン14の先端は、鍵本体の幅広部13aの外縁の延長線から突出しない位置にある。したがって、操作ピン14は、鍵3を鍵穴7に挿入するとき、鍵穴の前方部7aの内面には接触せず、狭小部7cに至って操作ピン孔15内に押し込まれ、狭小部7cの内面に摺接する。そして、操作ピン14が、最奥部のコードピン孔8aに合致したとき、その先端部が鍵本体の幅狭部13bから突出して、コードピン11aの先端を押圧する。操作ピン14に押されたコードピン11aは、ばね10を圧縮してドライバピン9aと共に半径方向外側の非ロック位置へ移動し、ドライバピン9aとの接触面をプラグ5の外周面4aに一致させる。   The tip of the operation pin 14 is in a position where it does not protrude from the extension line of the outer edge of the wide portion 13a of the key body. Therefore, when the operation pin 14 is inserted into the keyhole 7, the operation pin 14 does not contact the inner surface of the front portion 7a of the keyhole, reaches the narrow portion 7c and is pushed into the operation pin hole 15, and enters the inner surface of the narrow portion 7c. Make sliding contact. When the operation pin 14 is aligned with the innermost code pin hole 8a, the tip portion protrudes from the narrow portion 13b of the key body and presses the tip of the code pin 11a. The cord pin 11a pushed by the operation pin 14 compresses the spring 10 and moves together with the driver pin 9a to the unlocked position radially outward, so that the contact surface with the driver pin 9a coincides with the outer peripheral surface 4a of the plug 5. .

錠装置1は、鍵本体13に操作ピン14が組み込まれるため、鍵2の複製が困難である。鍵穴7は前方部7aが大きいので、鍵3の挿入時に操作ピン14が障害とならない。操作ピン14は、鍵穴7の前方部7aを摺動しないから、使用により摩耗を生じにくい。鍵穴7の奥部が狭小で、ピッキング用具による不正解錠が困難である。操作ピン14と、これに対応するコードピン11aの長さ変更により多数の鍵違いを作成できる。   Since the lock device 1 has the operation pin 14 incorporated in the key body 13, it is difficult to duplicate the key 2. Since the front portion 7a of the key hole 7 is large, the operation pin 14 does not become an obstacle when the key 3 is inserted. Since the operation pin 14 does not slide on the front portion 7a of the keyhole 7, it is less likely to be worn by use. The inner part of the keyhole 7 is narrow, and it is difficult to perform unauthorized unlocking with a picking tool. Numerous key differences can be created by changing the length of the operation pin 14 and the corresponding code pin 11a.

1 錠装置
2 錠前
3 鍵
4 シリンダケース
4a 内周面
5 プラグ
5a 外周面
6 ドライバピン孔
6a 最奥部のドライバピン孔
7 鍵穴
7a 前方部
7b 段部
7c 狭小部
8 コードピン孔
8a 最奥部のコードピン孔
9 ドライバピン
9a 最奥部のドライバピン
10 ばね
11 コードピン
11a 最奥部のコードピン
12 ピン操作部
12a 最先端のピン操作部
13 鍵本体
13a 幅広部
13b 幅狭部
14 操作ピン
15 操作ピン孔
16 ばね
DESCRIPTION OF SYMBOLS 1 Locking device 2 Lock 3 Key 4 Cylinder case 4a Inner peripheral surface 5 Plug 5a Outer peripheral surface 6 Driver pin hole 6a Innermost driver pin hole 7 Key hole 7a Front part 7b Step part 7c Narrow part 8 Code pin hole 8a Inner part Code pin hole 9 driver pin 9a innermost driver pin 10 spring 11 code pin 11a innermost code pin 12 pin operation part 12a state-of-the-art pin operation part 13 key body 13a wide part 13b narrow part 14 operation pin 15 Operation pin hole 16 Spring

Claims (2)

錠前と、この錠前を施解錠操作するための鍵とからなる錠装置であって、
前記錠前は、半径方向に延びて内周面に開口する複数のドライバピン孔を有する概略円筒形のシリンダケースと;外周面が前記シリンダケースの内周面に摺接するようにシリンダケース内に施錠位置と解錠位置の間を軸周り回転可能に挿入され、前端に開口して軸線方向に延びる鍵挿入空間を形成する鍵穴と、前記ドライバピン孔に対応する位置において外周面から鍵穴に貫通する複数のコードピン孔とを具備するプラグと;前記ドライバピン孔に移動自在に挿入され、前記シリンダケースの内周面の方向に付勢されるドライバピンと;前記コードピン孔に移動自在に挿入されるコードピンと、を具備し、
前記鍵は、前記鍵穴への挿入時に、前記コードピンとドライバピンとの接触面を前記プラグの外周面に一致させるようにコードピンの先端に当接する複数のピン操作部を具備し、
前記プラグの鍵穴は、鍵挿入空間が広い前方部と、この前方部に対して段部を介して鍵挿入空間が狭くなる奥方の狭小部とを具備し
前記プラグの最奥部の一のコードピン孔及びこれに対応する前記シリンダケースの最奥部の一のドライバピン孔は、前記鍵穴の狭小部対応位置に配置され、
前記鍵は、前記鍵穴の前方部に対応する幅広部と狭小部に対応する幅狭部とを有する鍵本体を具備し、
前記鍵の最先端に位置する一の前記ピン操作部は、前記鍵本体の幅狭部に鍵の挿入方向に対して直交方向に出没自在に保持された操作ピンからなり、
前記操作ピンは、前記鍵を前記鍵穴に挿入するとき、鍵穴の前方部の内面には接触せず、狭小部の内面には摺接し、前記最奥部のコードピン孔に合致したとき、先端部が前記鍵本体の幅狭部から突出して前記最奥部のコードピンの先端に当接するように付勢されることを特徴とする錠装置。
A lock device comprising a lock and a key for operating the lock to unlock the lock,
The lock includes a substantially cylindrical cylinder case having a plurality of driver pin holes that extend in the radial direction and open to the inner peripheral surface; and the lock is locked in the cylinder case so that the outer peripheral surface is in sliding contact with the inner peripheral surface of the cylinder case. A key hole that is inserted between the position and the unlocked position so as to be rotatable about the axis and that opens to the front end and extends in the axial direction, and penetrates the key hole from the outer peripheral surface at a position corresponding to the driver pin hole A plug having a plurality of cord pin holes; a driver pin that is movably inserted into the driver pin hole and biased toward the inner peripheral surface of the cylinder case; and is movably inserted into the cord pin hole A cord pin,
The key includes a plurality of pin operation portions that come into contact with the tip end of the cord pin so that the contact surface of the cord pin and the driver pin coincides with the outer peripheral surface of the plug when inserted into the keyhole,
The key hole of the plug includes a front portion having a wide key insertion space and a narrow portion at the back where the key insertion space is narrowed via a step portion with respect to the front portion. The pin hole and the corresponding one driver pin hole of the innermost part of the cylinder case are arranged at a position corresponding to the narrow part of the key hole,
The key includes a key body having a wide portion corresponding to a front portion of the keyhole and a narrow portion corresponding to a narrow portion;
The one pin operation part located at the forefront of the key consists of an operation pin held in a narrow part of the key body so as to be able to protrude and retract in a direction perpendicular to the key insertion direction,
When the operation pin is inserted into the keyhole, the operation pin does not come into contact with the inner surface of the front portion of the keyhole, slides into the inner surface of the narrow portion, and fits with the innermost code pin hole. The locking device is characterized in that the portion protrudes from the narrow portion of the key body and is urged so as to contact the tip of the innermost code pin.
前記鍵本体は、所定の厚さと幅を持った板状体で構成され、前記操作ピンは、鍵本体の厚さ部分に幅方向に形成されたピン孔内に、付勢ばねを介して保持されることを特徴とする請求項1に記載の錠装置。   The key body is composed of a plate-like body having a predetermined thickness and width, and the operation pin is held via a biasing spring in a pin hole formed in the thickness direction of the key body in the width direction. 2. The locking device according to claim 1, wherein:
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