JP2006111078A - Twist lock device - Google Patents

Twist lock device Download PDF

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Publication number
JP2006111078A
JP2006111078A JP2004298821A JP2004298821A JP2006111078A JP 2006111078 A JP2006111078 A JP 2006111078A JP 2004298821 A JP2004298821 A JP 2004298821A JP 2004298821 A JP2004298821 A JP 2004298821A JP 2006111078 A JP2006111078 A JP 2006111078A
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lock
base
twist lock
boss
locked
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JP2004298821A
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JP4271642B2 (en
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Kohei Yamamoto
耕平 山本
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Shinmaywa Industries Ltd
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Shin Meiva Industry Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a twist lock device which can dispose a lock part at the regular fixing position, and can surely fix a mounted object on a base while mitigating manufacturing accuracy. <P>SOLUTION: In the twist lock device 1, a twist lock 3 is provided on the base A, and the twist lock 3 is composed of a shaft part 31 turnably supported on the base A, and the lock part 32 provided on one end of the shaft part 31. When the mounted object is mounted on the base A, the mounted object is fixed on the base A and the fixing is released by engaging and disengaging the lock part 32 with the engaged pat B provided on the mounted object by the turning movement of the shaft part 31. A boss 2 is screwed on the base A, the shaft part 31 of the twist lock 3 is inserted into the boss 2 integrally in the rotation direction and slidably in the axial direction. Furthermore, a spring member 4 is interposed between the other end of the shaft part 31 and the boss 2 so that the shaft part 31 can move to the lock part 32 side against the energizing force by a predetermined distance. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、基台上に載置されるコンテナや架台などの載置物を当該基台上で安定的に固縛するためのツイストロック装置に関する。   The present invention relates to a twist lock device for stably securing an object to be placed such as a container or a base placed on a base on the base.

従来のツイストロック装置としては、基台に回動自在に支持された軸部と、この軸部の一端に設けられたロック部とからなるツイストロックが基台に設けられ、基台上に載置物を載置した際に、この載置物に設けられた被係止部に上記ロック部が軸部の回動動作によって係脱することで、基台上で載置物を固縛するとともにその固縛を解除するようになされていた。   As a conventional twist lock device, a twist lock including a shaft portion rotatably supported by a base and a lock portion provided at one end of the shaft portion is provided on the base and is mounted on the base. When the figurine is placed, the lock portion is engaged with and disengaged from the locked portion provided on the placement by the pivoting operation of the shaft portion. It was designed to release the binding.

具体的には、基台上での載置物の固縛は、被係止部の被係止面と対峙するロック部の係止面を当該被係止面上を摺接しながら回動させて、このロック部を正規な固縛位置に回動配置することによって行っている(例えば、特許文献1参照。)。
特開平10−226270号公報
Specifically, the object is secured on the base by rotating the locking surface of the lock portion facing the locked surface of the locked portion while sliding on the locked surface. The lock portion is rotated and arranged at a regular tying position (see, for example, Patent Document 1).
JP-A-10-226270

しかしながら、上記従来のツイストロック装置では、例えばロック部の係止面と被係止部の被係止面との間の隙間の誤差や、係止面や被係止面に凹凸などがあって、ロック部が回動途中の位置で被係止面に噛み込んでしまってそれ以上回動させることができなくなる場合があり、この場合にはその抵抗に勝る力がないとロック部を正規の固縛位置まで配置することができない。このようにロック部を正規の固縛位置に配置できないと固縛の安定性が低下することから、この状態で移送などを行うと危険であった。   However, in the conventional twist lock device, for example, there is an error in the gap between the locking surface of the lock portion and the locked surface of the locked portion, and there are irregularities on the locking surface and the locked surface. In some cases, the lock portion may be caught in the locked surface at a position in the middle of rotation and cannot be rotated any further. It cannot be placed to the lashing position. As described above, if the lock portion cannot be arranged at the regular lashing position, the stability of the lashing is lowered.

また、ツイストロックの軸部を基台に螺入しているタイプのものもあるが、このタイプのものでは軸部の回動に伴ってロック部が被係止面側に移動するため、僅かな誤差や凹凸によってもロック部が回動途中の位置で被係止面に噛み込んでしまうことが生じる。   In addition, there is a type in which the shaft portion of the twist lock is screwed into the base, but in this type, the lock portion moves to the locked surface side with the rotation of the shaft portion. The lock portion may be caught in the locked surface at a position in the middle of rotation due to a small error or unevenness.

このため、従来のツイストロック装置では被係止部と共に、寸法や仕上げ面に高い精度が要求され、これが作製費の高騰を招く大きな要因になっていた。   For this reason, in the conventional twist lock device, high accuracy is required for the dimensions and the finished surface as well as the locked portion, which has been a major factor in causing an increase in production cost.

本発明は、上記問題点に鑑みてなされたもので、その目的とするところは、ロック部と被係止面との間の隙間の誤差や、係止面や被係止面に凹凸などが多少あっても、これを吸収しながらロック部を正規の固縛位置に確実に配置させることができ、作製精度の緩和を図りつつ基台上に載置物を安定的に固縛することができるツイストロック装置を提供することにある。   The present invention has been made in view of the above problems, and its purpose is to provide an error in the gap between the lock portion and the locked surface, and unevenness or the like on the locking surface or the locked surface. Even if there is a slight amount, it is possible to securely place the lock part at the regular lashing position while absorbing this, and to stably lay the object on the base while reducing the manufacturing accuracy. It is to provide a twist lock device.

上記の目的を達成するため、請求項1に係る発明のツイストロック装置は、基台にツイストロックが設けられ、該ツイストロックは、基台に回動自在に支持された軸部と、この軸部の一端に設けられたロック部とからなり、基台上に載置物を載置した際に、この載置物に設けられた被係止部に上記ロック部が軸部の回動動作によって係脱することで、基台上で載置物を固縛するとともにその固縛を解除するツイストロック装置において、前記基台にボスが螺入されるとともに、このボスに前記ツイストロックの軸部が回転方向には一体的に且つ軸方向には摺動自在に挿入され、さらに、軸部の他端とボスとの間にはバネ部材がその付勢力に抗して軸部がロック部側に所定距離だけ移動可能なように介装されたものである。   In order to achieve the above object, a twist lock device according to a first aspect of the present invention is provided with a twist lock on a base, and the twist lock is rotatably supported by the base and the shaft. A locking part provided at one end of the part, and when the placing object is placed on the base, the locking part is engaged with the locked part provided on the placing object by the rotation of the shaft part. In the twist lock device that secures the placement object on the base and releases the restraint by removing the boss, a boss is screwed into the base, and the shaft portion of the twist lock is rotated to the boss. The spring member is inserted between the other end of the shaft portion and the boss, and the shaft portion is fixed to the lock portion side against the biasing force. It is installed so that it can move by a distance.

本発明によれば、ロック部と被係止面との間の隙間の誤差や、係止面や被係止面に凹凸などが多少あっても、これを吸収しながらロック部を正規の固縛位置に確実に配置させることができ、これにより作製精度の緩和を図りつつ基台上に載置物を安定的に固縛することができる。   According to the present invention, even if there is an error in the gap between the lock portion and the surface to be locked or unevenness on the locking surface or the surface to be locked, the lock portion is properly fixed while absorbing this. It is possible to reliably place the object on the tying position, and thereby the object to be placed can be stably secured on the base while reducing the manufacturing accuracy.

以下、本発明の実施の形態について図面を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図1は、本発明のツイストロック装置を示している。   FIG. 1 shows a twist lock device of the present invention.

ツイストロック装置1は、基台Aの適所に設けられており、この基台A上に載置した載置物を安定的に固縛するためのものである。   The twist lock device 1 is provided at an appropriate position of the base A, and is used for stably securing an object placed on the base A.

上記基台Aは、例えば車輌に載置物を搭載する場合には当該車輌のシャーシフレームなどを利用して構成されている。また、後述するようなツイストロック装置1を備えた基台構成にすることで、貨物列車や船舶などへ載置物を搭載する際にも利用することができる他、地上等に載置物を安定的に固縛する際にも利用することができる。   The base A is configured, for example, by using a chassis frame of the vehicle when mounting an object to be mounted on the vehicle. In addition, by adopting a base configuration provided with a twist lock device 1 as will be described later, it can be used when loading objects on freight trains, ships, etc., and the objects can be stably placed on the ground. It can also be used when tying to.

また、載置物としては、荷物を収容するコンテナや、各種の作業機器を搭載した架台など後述するようなツイストロックが係止する被係止部を備えたものであればどのようなものであってもよい。   In addition, the placed object may be any container provided with a locked portion to be locked by a twist lock as will be described later, such as a container for storing luggage or a gantry on which various work devices are mounted. May be.

以下、ツイストロック装置1の具体的な構成について説明する。   Hereinafter, a specific configuration of the twist lock device 1 will be described.

基台Aは、例えば載置物としてコンテナのような矩形状のものを載置する場合には、これに合わせて矩形状に形成され、その前後両側に固設された取付ブロックA1にツイストロック装置1を設けている。また、コンテナの底部にはツイストロック装置1に合わせて被係止部Bを設けている。   For example, when a rectangular object such as a container is placed as a placement object, the base A is formed in a rectangular shape in accordance with this, and a twist lock device is attached to the mounting blocks A1 fixed on both the front and rear sides thereof. 1 is provided. In addition, a locked portion B is provided at the bottom of the container in accordance with the twist lock device 1.

ツイストロック装置1は、上記取付ブロックA1に螺入されたボス2と、ボス2に挿入されたツイストロック3と、ツイストロック3を図1において軸方向下方に付勢するバネ4とを備えている。   The twist lock device 1 includes a boss 2 screwed into the mounting block A1, a twist lock 3 inserted into the boss 2, and a spring 4 that urges the twist lock 3 downward in the axial direction in FIG. Yes.

ボス2は、取付ブロックA1に形成された取付孔A2に螺入されている。つまり、ボス2の外周に雄ねじが形成されるとともに、取付孔A2には雄ねじに対応する雌ねじが形成されている。   The boss 2 is screwed into a mounting hole A2 formed in the mounting block A1. That is, a male screw is formed on the outer periphery of the boss 2 and a female screw corresponding to the male screw is formed in the mounting hole A2.

ツイストロック3は、軸部31と、この軸部31の一端(図1においては上端)に形成されたロック部32とからなり、軸部31の下端部分が前記ボス2のボス孔21に挿入されている。   The twist lock 3 includes a shaft portion 31 and a lock portion 32 formed at one end (the upper end in FIG. 1) of the shaft portion 31, and the lower end portion of the shaft portion 31 is inserted into the boss hole 21 of the boss 2. Has been.

軸部31の下端部分には、図2及び図3に示すようにキー溝33が例えば対称位置に2カ所設けられており、このキー溝33とボス2に形成された図示しないキー溝とをキー(図示省略)を介して連結している。また、ボス2のキー溝は、軸方向に両端に亘って形成されている。   As shown in FIGS. 2 and 3, two key grooves 33 are provided at, for example, symmetrical positions at the lower end portion of the shaft portion 31, and the key groove 33 and a key groove (not shown) formed in the boss 2 are provided. They are connected via a key (not shown). The key groove of the boss 2 is formed across both ends in the axial direction.

このようにキーを介してボス2に軸部31の下端部分を挿入することで、ボス2と軸部31とは回動方向にはキーによって一体的に回転し、また軸方向にはキーがボス2のキー溝をスライドすることでボス2に対して軸部31が摺動するようになされている。   By inserting the lower end portion of the shaft portion 31 into the boss 2 through the key in this way, the boss 2 and the shaft portion 31 are integrally rotated by the key in the rotating direction, and the key is moved in the axial direction. The shaft portion 31 slides with respect to the boss 2 by sliding the key groove of the boss 2.

また、軸部31の途中部にはフランジ34が設けられている。このフランジ34は、被係止部Bの厚みに合わせてロック部32から所定長さ隔てた位置に設けられている。   A flange 34 is provided in the middle of the shaft portion 31. The flange 34 is provided at a position separated from the lock portion 32 by a predetermined length in accordance with the thickness of the locked portion B.

そして、軸部31のフランジ34下方には操作レバー5を連結する連結部35が形成されており、操作レバー5を手動やアクチュエータなどで回動操作することで軸部31を左右に回動させ、これによりロック部32を固縛位置と固縛解除位置とに配置するようにしている。   A connecting portion 35 for connecting the operation lever 5 is formed below the flange 34 of the shaft portion 31, and the shaft portion 31 is rotated left and right by rotating the operation lever 5 manually or by an actuator. Thus, the lock portion 32 is arranged at the lashing position and the lashing release position.

ロック部32は、所定の厚みを有する略三角形状に形成されており、この三角形状の底辺に相当する部位が被係止部Bの被係止面(上面)と対峙する係止面32aになされている。   The locking portion 32 is formed in a substantially triangular shape having a predetermined thickness, and a portion corresponding to the bottom of the triangular shape is a locking surface 32a that faces the locked surface (upper surface) of the locked portion B. Has been made.

一方、被係止部Bには、ロック部32が挿通可能なように当該ロック部32の平面形状と同様な形状の挿通孔B1が形成されており、この挿通孔B1にロック部32を挿通させて被係止部Bを配置した後、ロック部32を90度回動させることで当該ロック部32が固縛位置に配置される。また、ロック部32を元の位置まで90度逆方向に回動させることで挿通孔B1にロック部32を挿通させた状態になり、これが固縛解除位置になる。   On the other hand, the locked portion B is formed with an insertion hole B1 having a shape similar to the planar shape of the lock portion 32 so that the lock portion 32 can be inserted, and the lock portion 32 is inserted into the insertion hole B1. Then, after the locked portion B is disposed, the lock portion 32 is disposed at the locked position by rotating the lock portion 32 by 90 degrees. Further, by rotating the lock portion 32 in the reverse direction by 90 degrees to the original position, the lock portion 32 is inserted into the insertion hole B1, and this is the lash release position.

バネ部材4は、前記ボス2と軸部31の他端(下端)との間に設けられている。具体的には、軸部31の他端にはボルト36が螺入されており、このボルト36とボス2の端部(下端部)との間にバネ部材4が軸部31を挿通した状態で配置されている。このバネ部材4は、ロック部32をボス2側に移動させる方向に付勢しており、このようにバネ部材4によって付勢された状態でロック部32が被係止部Bに係脱する通常の位置に配置される。また、このバネ部材4の付勢力に抗することで当該バネ部材4の撓んだ分だけロック部32をボス2から離間する上方に移動させることができる。   The spring member 4 is provided between the boss 2 and the other end (lower end) of the shaft portion 31. Specifically, a bolt 36 is screwed into the other end of the shaft portion 31, and the spring member 4 is inserted through the shaft portion 31 between the bolt 36 and the end portion (lower end portion) of the boss 2. Is arranged in. The spring member 4 is biased in a direction in which the lock portion 32 is moved toward the boss 2, and the lock portion 32 is engaged with and disengaged from the locked portion B in a state of being biased by the spring member 4 in this way. Arranged in a normal position. Further, by resisting the urging force of the spring member 4, the lock portion 32 can be moved upward away from the boss 2 by the amount of bending of the spring member 4.

つまり、バネ部材4はその付勢力に抗して軸部31がロック部32側に所定距離だけ移動可能なように介装されている。   That is, the spring member 4 is interposed so that the shaft portion 31 can move to the lock portion 32 side by a predetermined distance against the biasing force.

バネ部材4としては、例えば図示例のような2枚のコーンディスク41を上下逆方向に重ね合わせたものが用いられている。   As the spring member 4, for example, a structure in which two cone disks 41 as shown in the drawing are overlapped in the upside down direction is used.

次に、このように構成されたツイストロック装置1により載置物を固縛する場合の動作について説明する。   Next, the operation in the case where the object is secured by the twist lock device 1 configured as described above will be described.

まず、ツイストロック3のロック部32に被係止部Bの挿通孔B1を挿通させて載置物を基台A上に配置する。   First, the placement object is placed on the base A by inserting the insertion hole B1 of the locked portion B into the lock portion 32 of the twist lock 3.

この状態で操作レバー5を回動操作してツイストロック3の軸部31を回動させることで、ロック部32を90度回動させて固縛位置に配置し、これによって基台A上に載置物を固縛する。   In this state, the operating lever 5 is rotated to rotate the shaft portion 31 of the twist lock 3, so that the lock portion 32 is rotated 90 degrees and arranged at the tying position. Secure the object.

この際、軸部31の回動に伴ってボス2も同様に回動することから、ボス2が取付ブロックA1に対してねじ込まれることになりこのねじ込み量に相当する分だけボス2が下方に移動する。これにより軸部31及びロック部32も同様に下方に移動し、この作用でロック部32の係止面32aが被係止部Bの被係止面上を摺接しながら当該被係止面を下方に押圧するようにしてロック部32が固縛位置に配置される。この結果、ロック部32で被係止部Bを強固に係止することができ、これによって基台A上に載置物を安定な状態で固縛することができる。   At this time, since the boss 2 is similarly rotated along with the rotation of the shaft portion 31, the boss 2 is screwed into the mounting block A1, and the boss 2 is moved downward by an amount corresponding to the screwing amount. Moving. As a result, the shaft portion 31 and the lock portion 32 are similarly moved downward, and the locking surface 32a of the lock portion 32 slides on the locked surface of the locked portion B by this action, and the locked surface is moved. The lock portion 32 is arranged at the lashing position so as to press downward. As a result, the to-be-latched part B can be firmly latched by the lock part 32, and the placed object can be secured on the base A in a stable state.

ところで、このようにして被係止部Bをツイストロック3によって固縛する際において、ロック部32の係止面32aと被係止部Bの被係止面との間の隙間の誤差や、係止面32aや被係止面の凹凸などによって、両者に大きな抵抗が作用してロック部32が回動途中の位置でその回動が規制されることがある。   By the way, when the locked portion B is secured by the twist lock 3 in this way, an error in the gap between the locking surface 32a of the locking portion 32 and the locked surface of the locked portion B, A large resistance may act on both of the locking surface 32a and the unevenness of the locked surface, and the rotation of the lock portion 32 may be restricted at a position in the middle of the rotation.

この場合、本発明のツイストロック装置1では、バネ部材4の付勢力に抗する力で操作レバー5を回動させれば、軸部31をバネ部材4の付勢力に抗して上方にスライドさせることができ、これに伴ってロック部32の係止面32aを被係止面から離間する方向に移動させることができる。これにより両者の抵抗を緩和することができてロック部32の途中位置からの回動が可能になり、この結果ロック部32を適正な固縛位置に配置することができる。   In this case, in the twist lock device 1 of the present invention, if the operation lever 5 is rotated with a force against the urging force of the spring member 4, the shaft portion 31 is slid upward against the urging force of the spring member 4. Accordingly, the locking surface 32a of the lock portion 32 can be moved away from the locked surface. Thereby, both resistance can be relieved and rotation from the middle position of the lock | rock part 32 is attained, As a result, the lock | rock part 32 can be arrange | positioned in a proper securing position.

このようにツイストロック装置1を構成することで、ロック部32と被係止面との間の隙間の誤差や、係止面32aや被係止面に凹凸などが多少あっても、これを吸収しながらロック部32を正規の固縛位置に確実に配置させることができ、これにより作製精度の緩和を図りつつ基台上に載置物を安定的に固縛することができる。   By configuring the twist lock device 1 in this way, even if there is an error in the gap between the lock portion 32 and the locked surface, and there are irregularities on the locking surface 32a or the locked surface, While absorbing, the lock part 32 can be reliably arranged at a regular tying position, and thus the placed object can be stably struck on the base while reducing the manufacturing accuracy.

本発明のツイストロック装置1の構成を示す一部破断の正面図である。It is a partially broken front view which shows the structure of the twist lock apparatus 1 of this invention. ツイストロックの構成を示す正面図である。It is a front view which shows the structure of a twist lock. ツイストロックの構成を示す側面図である。It is a side view which shows the structure of a twist lock.

符号の説明Explanation of symbols

1 ツイストロック装置
2 ボス
3 ツイストロック
31 軸部
32 ロック部
4 バネ部材
A 基台
B 被係止部
DESCRIPTION OF SYMBOLS 1 Twist lock apparatus 2 Boss 3 Twist lock 31 Shaft part 32 Lock part 4 Spring member A Base B Locked part

Claims (1)

基台にツイストロックが設けられ、該ツイストロックは、基台に回動自在に支持された軸部と、この軸部の一端に設けられたロック部とからなり、基台上に載置物を載置した際に、この載置物に設けられた被係止部に上記ロック部が軸部の回動動作によって係脱することで、基台上で載置物を固縛するとともにその固縛を解除するツイストロック装置において、
前記基台にボスが螺入されるとともに、このボスに前記ツイストロックの軸部が回転方向には一体的に且つ軸方向には摺動自在に挿入され、さらに、軸部の他端とボスとの間にはバネ部材がその付勢力に抗して軸部がロック部側に所定距離だけ移動可能なように介装されたことを特徴とするツイストロック装置。
A twist lock is provided on the base, and the twist lock includes a shaft part rotatably supported by the base and a lock part provided at one end of the shaft part. When placed, the locked part is engaged with and disengaged from the locked part provided on the placed object by the pivoting operation of the shaft part. In the twist lock device to be released,
A boss is screwed into the base, and the shaft portion of the twist lock is inserted into the boss integrally with the rotation direction and slidable in the axial direction. The twist lock device is characterized in that a spring member is interposed so that the shaft portion can move to the lock portion side by a predetermined distance against the biasing force.
JP2004298821A 2004-10-13 2004-10-13 Twist lock device Active JP4271642B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008303636A (en) * 2007-06-08 2008-12-18 Hi-Lex Corporation Fuel lid actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008303636A (en) * 2007-06-08 2008-12-18 Hi-Lex Corporation Fuel lid actuator

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