JP5517663B2 - Blocking mechanism for blocking bar holder release - Google Patents

Blocking mechanism for blocking bar holder release Download PDF

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JP5517663B2
JP5517663B2 JP2010032061A JP2010032061A JP5517663B2 JP 5517663 B2 JP5517663 B2 JP 5517663B2 JP 2010032061 A JP2010032061 A JP 2010032061A JP 2010032061 A JP2010032061 A JP 2010032061A JP 5517663 B2 JP5517663 B2 JP 5517663B2
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blocking bar
holder
release
connecting member
force
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JP2011168987A (en
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啓二 伊藤
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Mitsubishi Precision Co Ltd
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Mitsubishi Precision Co Ltd
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Description

本発明は、車両の通過を制御するゲート装置に関し、その阻止バーのリリースを制限する機構に関するものである。   The present invention relates to a gate device that controls the passage of a vehicle, and to a mechanism that restricts the release of a blocking bar.

従来、例えば駐車場ゲート及びETCゲートにおいて、車両が阻止バーに衝突して破損するケースが多くあった(図2)。
この破損を防ぐために、ゲート装置に、車両接触時阻止バーを車両進行方向に回転(リリース)させ(図3)てダメージを軽減するリリース機構を備えるものがある。このリリース機構に付随してゲートバーが通常の運用状態でむやみにリリースしないようにする必要がある。例えば、風圧によるバーの回転を防止するため、リリースする条件として風圧による力を基準としたリリース制限力を設定している。
Conventionally, for example, in a parking lot gate and an ETC gate, there are many cases where a vehicle collides with a blocking bar and is damaged (FIG. 2).
In order to prevent this breakage, some gate devices have a release mechanism that reduces damage by rotating (releasing) a vehicle contact blocking bar in the vehicle traveling direction (FIG. 3). Along with this release mechanism, it is necessary to prevent the gate bar from being released unnecessarily under normal operating conditions. For example, in order to prevent rotation of the bar due to wind pressure, a release limit force based on the force due to wind pressure is set as a release condition.

図4はリリース制限力を設定する機構を説明する従来例であり、図4(a)は平面図、図4(b)は正面図である。図4において、401は阻止バー駆動装置、402は連結部材、403は阻止バー駆動用回転軸、404はホルダー回転軸、405は阻止バーホルダー、407は阻止バー、408はリリース力調整子である。
連結部材402はその長さ方向が阻止バー駆動用回転軸403と直交するようにその先端に配設される。阻止バー駆動用回転軸403は阻止バー駆動装置401の制御により往復回転する。連結部材402は断面コ字状を形成し、その長さ方向と阻止バー駆動用回転軸403とに直交してホルダー回転軸404を配設する。連結部材402はホルダー回転軸404に連結して阻止バーホルダー405を搭載する。阻止バーホルダー405は回転状態により連結部材402内に収納され互いの長さ方向が一致するようになる。阻止バーホルダー405には阻止バー407が挿入され、図示しない機構により保持している。
連結部材402の断面コ字状を形成するいずれかの側面にリリース力調整子408が設けられる。リリース力調整子408は、円筒部材4081と、その内部に設けたメネジに合うオネジ4082と、オネジ4082の先端部に接触するコイルバネ4083と、コイルバネ4083の先端に位置してその反発力を受けるボール4084からなり、ボール4084は円筒部材4081の先端の係止部4085により飛び出しを制限され、係止部4085に設けた孔により外部に露出する。
阻止バーホルダー405が連結部材402に収納されている状態で、リリース力調整子408のボール4084が対向する阻止バーホルダー405の側面に設けた凹部に嵌入して、阻止バーホルダー405の連結部材402からの回転リリースを制限する。
4A and 4B are conventional examples for explaining a mechanism for setting the release limiting force. FIG. 4A is a plan view and FIG. 4B is a front view. In FIG. 4, 401 is a blocking bar driving device, 402 is a connecting member, 403 is a rotating shaft for driving a blocking bar, 404 is a rotating shaft for a holder, 405 is a blocking bar holder, 407 is a blocking bar, and 408 is a release force adjuster. .
The connecting member 402 is disposed at the tip of the connecting member 402 so that its length direction is orthogonal to the blocking bar driving rotary shaft 403. The rotation axis 403 for driving the blocking bar rotates reciprocally under the control of the blocking bar driving device 401. The connecting member 402 has a U-shaped cross section, and a holder rotating shaft 404 is disposed perpendicular to the length direction of the connecting member 402 and the blocking bar driving rotating shaft 403. The connecting member 402 is connected to the holder rotating shaft 404 and mounts the blocking bar holder 405. The blocking bar holder 405 is housed in the connecting member 402 according to the rotation state, and the length directions of the blocking bar holders 405 coincide with each other. A blocking bar 407 is inserted into the blocking bar holder 405 and is held by a mechanism (not shown).
A release force adjuster 408 is provided on any side surface of the connecting member 402 that forms a U-shaped cross section. The release force adjuster 408 includes a cylindrical member 4081, a male screw 4082 that fits into the female screw provided therein, a coil spring 4083 that contacts the tip of the male screw 4082, and a ball that is positioned at the tip of the coil spring 4083 and receives the repulsive force. 4084, the ball 4084 is restricted from projecting by the locking portion 4085 at the tip of the cylindrical member 4081, and is exposed to the outside through a hole provided in the locking portion 4085.
In a state where the blocking bar holder 405 is housed in the connecting member 402, the ball 4084 of the release force adjuster 408 is fitted into a concave portion provided on the side surface of the blocking bar holder 405, and the connecting member 402 of the blocking bar holder 405 is inserted. Limit rotational release from.

運用時、阻止バー407に阻止バーホルダー405を装着した状態で、車両の運行に応じて阻止バー駆動用回転軸403を制御して、阻止バー407を阻止バー駆動用回転軸403に直交する面内に回転移動させて、車両の通行を制御している。この制御にもかかわらず何らかの理由で、車両が阻止バー407閉じているときに通行しようとすると阻止バー407と衝突する。衝突による阻止バー407の破壊を防ぎ損傷を少なくするため、阻止バーホルダー405は、リリース制御機構408のコイルバネ4083による回転制限に抗して、ホルダー回転軸404を中心に回転させ衝撃を和らげる。
このとき、リリース制御機構408によるリリース回転制限はコイルバネ4083の調整により行っているが、コイルバネ403の配置方向を阻止バーホルダー405の長さ方向に直交し、阻止バー駆動用回転軸403による往復回転に伴う阻止バーホルダー405の移動面に平行にしているので、阻止バー駆動用回転軸403による往復回転にともない、コイルバネ4083の伸縮方向に負荷が加わり、バネ定数が変化し、リリース回転制限力が変化するおそれがあった。変化する風圧の状況下で使用する場合に、設定したリリース回転制限力を一定することが困難なこととなる。
In operation, with the blocking bar holder 405 mounted on the blocking bar 407, the blocking bar driving rotary shaft 403 is controlled according to the operation of the vehicle so that the blocking bar 407 is orthogonal to the blocking bar driving rotary shaft 403. The vehicle is controlled to move by rotating inward. In spite of this control, for some reason, if the vehicle tries to pass while the blocking bar 407 is closed, it collides with the blocking bar 407. In order to prevent destruction of the blocking bar 407 due to a collision and reduce damage, the blocking bar holder 405 is rotated about the holder rotation shaft 404 to soften the impact against the rotation limitation by the coil spring 4083 of the release control mechanism 408.
At this time, the release rotation limitation by the release control mechanism 408 is performed by adjusting the coil spring 4083. However, the arrangement direction of the coil spring 403 is orthogonal to the length direction of the blocking bar holder 405, and the reciprocating rotation by the blocking bar driving rotary shaft 403 is performed. As a result, the load is applied in the direction of expansion and contraction of the coil spring 4083, the spring constant changes, and the release rotation limiting force is reduced. There was a risk of change. When used under changing wind pressure conditions, it is difficult to keep the set release rotation limiting force constant.

特許第4171567号公報Japanese Patent No. 4171567 特許第4183582号公報Japanese Patent No. 4183582

解決しようとする問題点は、運用時の阻止バーの車両制御のための回転時に受ける風圧などの影響を受け、設定したリリース回転制限力を一定することが困難なこととなることであり、本発明はリリース回転制限力が一定な阻止バーホルダーのリリース制限機構を提供する。   The problem to be solved is that it is difficult to make the set release rotation limit force constant due to the influence of wind pressure, etc., that is applied during rotation for vehicle control of the blocking bar during operation. The invention provides a release limiting mechanism for a blocking bar holder with a constant release rotation limiting force.

請求項1に係る阻止バーホルダーのリリース制限機構は、断面コ字状であってかつ断面コ字状が形成する開放部とその開放部とは反対側の一端部との方向に長さ方向を備えた長手状の部材であって長さ方向が阻止バー駆動用回転軸と直交するように結合して前記阻止バー駆動用回転軸の回転に伴い回転するとともに前記一端部に係止側部を形成した連結部材と、長手状の筒状部材であって、当該筒状部材の一端部から阻止バーを挿入し保持し、かつ前記連結部材の長さ方向に対し直角に形成したホルダー回転軸を中心に回転可能に搭載されるとともに阻止バーを挿入する方向とは反対方向の面に凹部を設けた阻止バーホルダーとからなり、ボールにバネの力を与えてリリース制限力を発生するリリース力調整子を前記係止側部に連結部材の前記長さ方向に形成した通過孔に設け、前記阻止バーホルダーがホルダー回転軸周りで連結部材方向の回転を当該連結部材により制限された状態で、当該阻止バーホルダーの長さ方向について前記一端部に対向する他端部の前記係止側部に対向する面に設けられ当該係止側部に備えられるボールがバネの押力により嵌入できる凹部を備えることを特徴とするものである。 The release limiting mechanism of the blocking bar holder according to claim 1 has a length direction in a direction of an opening portion having a U-shaped cross section and an end portion on the side opposite to the opening portion. the locking side to the one end while rotating with the rotation of the blocking bar drive rotational shaft coupled to such a length direction a elongated member having the perpendicular to the blocking bar drive rotational shaft A formed connecting member and a longitudinal cylindrical member, a holder rotating shaft formed by inserting and holding a blocking bar from one end of the cylindrical member, and formed perpendicular to the length direction of the connecting member. the direction of inserting the blocking bar while being rotatably mounted in the center consists of a blocking bar holder provided with a recess on the opposite direction, release force adjustment for generating a release limit force giving force of the spring on the ball before connecting member child with the locking side It provided the passage hole formed in the length direction, in a state in which the blocking bar holder is restricted by the connecting member rotation of the connecting member direction about the holder rotation axis, to the one end the length direction of the blocking bar holder It is provided with the recessed part which is provided in the surface facing the said latching side part of the other end part which opposes, and the ball with which the said latching side part is equipped can be engage | inserted with the pressing force of a spring.

請求項1に係る阻止バーホルダーのリリース制限機構によると、阻止バーホルダーは係止側部内のボールによりホルダー回転軸と直交した力を与えられ、ボールに力を与えるバネの定数は阻止バー駆動用回転軸の回転に伴って変化することはなく、ボールが阻止バーホルダーの凹部に嵌入して、阻止バー駆動用回転軸の回転、また風圧による微力に抗して、阻止バーホルダーの連結部材からのリリースを制限することができる。また、バネのバネ定数を変化させることなく一定衝撃力以上に反応して安定してリリースさせることができる。   According to the release limiting mechanism of the blocking bar holder according to claim 1, the blocking bar holder is given a force orthogonal to the holder rotation axis by the ball in the locking side portion, and the constant of the spring that applies the force to the ball is for driving the blocking bar The ball does not change with the rotation of the rotating shaft, and the ball fits into the concave portion of the blocking bar holder, against the rotation of the rotating shaft for driving the blocking bar and the slight force caused by the wind pressure, from the connecting member of the blocking bar holder Release can be restricted. Moreover, it can be released stably in response to a certain impact force or more without changing the spring constant of the spring.

リリース制限機構の実施例を説明する図である。It is a figure explaining the Example of a release restriction mechanism. リリース力調整子の実施例を説明する図である。It is a figure explaining the Example of a release force regulator. ゲート装置の破損を説明する図である。It is a figure explaining breakage of a gate device. ゲート装置のリリースを説明する図である。It is a figure explaining release of a gate device. 従来のリリース制限機構を説明する図である。It is a figure explaining the conventional release restriction mechanism.

図1−1は本発明によるリリース制限機構を説明する実施例の図であり、図1−1(a)は平面図、図1−1(b)は正面図である。図1において、101は阻止バー駆動装置、102は連結部材、103は阻止バー駆動用回転軸、104はホルダー回転軸、105は阻止バーホルダー、106は係止側部、107は阻止バー、108はリリース力調整子である。
阻止バー駆動装置101は阻止バー駆動用回転軸103を備える。阻止バー駆動用回転軸103は阻止バー駆動装置101の制御により往復回転する。連結部材102はその長さ方向が阻止バー駆動用回転軸103と直交するようにその先端に配設され、結合される。連結部材102は断面コ字状を形成し、その長さ方向と阻止バー駆動用回転軸103とに直交してホルダー回転軸104を配設する。連結部材102はホルダー回転軸104に連結して阻止バーホルダー105を搭載する。阻止バーホルダー105は回転状態により連結部材102内に収納され互いの長さ方向が一致するようになる。連結部材101は、その長さ方向においてホルダー回転軸104が配設される方向とは反対側端に係止側部106を形成する。阻止バーホルダー105には阻止バー107が挿入され、図示しない機構により保持している。阻止バーホルダー105の長さ方向において阻止バー107を挿入する開口部1051が設けられる反対方向の面に凹部1052を設ける。
連結部材102の係止側部106にリリース力調整子108が設けられる(図1−2(c))。リリース力調整子108は、円筒部材1081と、その内部に設けたメネジに合うオネジ1082と、オネジ1082の先端部に接触するコイルバネ1083と、コイルバネ1083の先端に位置してその反発力を受けるボール1084からなり、ボール1084は円筒部材1081の先端の係止部1085により飛び出しを制限され、係止部1085に設けた通過孔により外部に露出する。通過孔は連結部材102の長さ方向になるように形成する。
リリース力調整子108の他の実施例を図1−2(d)に示す。連結部材102の係止側部106にリリース力調整子108が設けられる(図1−2(c))。リリース力調整子108は、係止側部106に直接メネジを形成し、その内部にメネジに合うオネジ1082と、オネジ1082の先端部に接触するコイルバネ1083と、コイルバネ1083の先端に位置してその反発力を受けるボール1084からなり、ボール1084は係止側部106の係止部1085により飛び出しを制限され、係止部1085に設けた孔により外部に露出する。
阻止バーホルダー105が連結部材102に収納されている状態で、リリース力調整子108のボール1084が対向する阻止バーホルダー105の凹部1052に嵌入して、バーホルダー105の連結部材102からの回転リリースを制限する。
FIG. 1-1 is a diagram of an embodiment for explaining a release limiting mechanism according to the present invention. FIG. 1-1 (a) is a plan view and FIG. 1-1 (b) is a front view. In FIG. 1, 101 is a blocking bar driving device, 102 is a connecting member, 103 is a rotating shaft for driving a blocking bar, 104 is a rotating shaft for a holder, 105 is a blocking bar holder, 106 is a locking side, 107 is a blocking bar, 108 Is a release force adjuster.
The blocking bar driving device 101 includes a blocking bar driving rotating shaft 103. The rotation shaft 103 for driving the blocking bar rotates reciprocally under the control of the blocking bar driving device 101. The connecting member 102 is disposed at the tip thereof and coupled so that the length direction thereof is orthogonal to the blocking bar driving rotary shaft 103. The connecting member 102 has a U-shaped cross section, and a holder rotating shaft 104 is disposed perpendicularly to the length direction of the connecting member 102 and the blocking bar driving rotating shaft 103. The connecting member 102 is connected to the holder rotating shaft 104 and mounts the blocking bar holder 105. The blocking bar holder 105 is housed in the connecting member 102 depending on the rotation state, and the length directions of the blocking bar holders 105 are matched. The connecting member 101 forms a locking side portion 106 at the end opposite to the direction in which the holder rotation shaft 104 is disposed in the length direction. A blocking bar 107 is inserted into the blocking bar holder 105 and is held by a mechanism (not shown). In the longitudinal direction of the blocking bar holder 105, a recess 1052 is provided on the opposite surface where the opening 1051 for inserting the blocking bar 107 is provided.
A release force adjuster 108 is provided on the locking side portion 106 of the connecting member 102 (FIG. 1-2 (c)). The release force adjuster 108 includes a cylindrical member 1081, a male screw 1082 that fits inside the female screw, a coil spring 1083 that contacts the tip of the male screw 1082, and a ball that is positioned at the tip of the coil spring 1083 and receives a repulsive force. The ball 1084 is restricted from popping out by the locking portion 1085 at the tip of the cylindrical member 1081, and is exposed to the outside through a passage hole provided in the locking portion 1085. The passage hole is formed so as to be in the length direction of the connecting member 102.
Another embodiment of the release force adjuster 108 is shown in FIG. A release force adjuster 108 is provided on the locking side portion 106 of the connecting member 102 (FIG. 1-2 (c)). The release force adjuster 108 forms a female screw directly on the locking side portion 106, a male screw 1082 that fits the female screw inside, a coil spring 1083 that contacts the tip of the male screw 1082, and a tip of the coil spring 1083. The ball 1084 is subjected to a repulsive force. The ball 1084 is restricted from protruding by the locking portion 1085 of the locking side portion 106 and is exposed to the outside through a hole provided in the locking portion 1085.
In a state where the blocking bar holder 105 is housed in the connecting member 102, the ball 1084 of the release force adjuster 108 is fitted into the concave portion 1052 of the blocking bar holder 105, and the bar holder 105 is rotated and released from the connecting member 102. Limit.

運用時、阻止バー107に阻止バーホルダー105を装着した状態で、車両の運行に応じて阻止バー駆動用回転軸103を制御して、阻止バー107を阻止バー駆動用回転軸103に直交する面内に回転移動させて、車両の通行を制御している。何らかの理由で、車両が阻止バー107閉じているときに通行しようとして阻止バー107と衝突する。
阻止バーホルダー105は、リリース制御機構108のコイルバネ1083による回転制限に抗して、ホルダー回転軸104を中心に回転させ衝撃を和らげる。
このとき、リリース制御機構108によるリリース回転制限はコイルバネ1083の調整により行っているが、コイルバネ1083は係止側部1085に設けたリリース制御機構108内に配置しているから、コイルバネ1083の反発力の方向はホルダー回転軸104に直交し、ボール1084に力を与えるコイルバネ1083の定数は阻止バー駆動用回転軸103の回転に伴って変化することはなく、阻止バーホルダー105の凹部1052に嵌入して、阻止バー駆動用回転軸103の回転により、また風圧による微力により、阻止バーホルダー105の連結部材102からのリリースを制限することができ、コイルバネ1083のバネ定数を変化させることなく一定衝撃力以上に反応して安定してリリースさせることができる。
In operation, with the blocking bar holder 105 mounted on the blocking bar 107, the blocking bar driving rotary shaft 103 is controlled according to the operation of the vehicle, and the blocking bar 107 is perpendicular to the blocking bar driving rotary shaft 103. The vehicle is controlled to move by rotating inward. For some reason, the vehicle collides with the blocking bar 107 trying to pass when the blocking bar 107 is closed.
The blocking bar holder 105 is rotated around the holder rotation shaft 104 to soften the impact against the rotation limitation by the coil spring 1083 of the release control mechanism 108.
At this time, the release rotation limitation by the release control mechanism 108 is performed by adjusting the coil spring 1083. However, since the coil spring 1083 is disposed in the release control mechanism 108 provided on the locking side portion 1085, the repulsive force of the coil spring 1083 is reduced. Is perpendicular to the holder rotating shaft 104, and the constant of the coil spring 1083 that applies force to the ball 1084 does not change with the rotation of the blocking bar driving rotating shaft 103, and is inserted into the recess 1052 of the blocking bar holder 105. Thus, the release of the blocking bar holder 105 from the connecting member 102 can be limited by the rotation of the rotating shaft 103 for driving the blocking bar and by a slight force due to the wind pressure, and a constant impact force without changing the spring constant of the coil spring 1083. It can be released stably in response to the above.

リリース力調整子108の他の実施例を図1−2(e)、図1−2(f)に示す。図1−2(e)の実施例は、図1−2(c),(d)のボール1084を、曲面を有するカムとしたものである。連結部材102の係止側部106にリリース力調整子108が設けられる(図1−2(e))。リリース力調整子108は、係止側部106に直接メネジを形成し、その内部にメネジに合うオネジ1082と、オネジ1082の先端部に接触するコイルバネ1083と、コイルバネ1083の先端とカム1086の間に接触するように位置してコイルバネ1083の反発力をカム1086に伝える伝達皿1087とからなる。カム1086に支持軸1088を備え、その支持軸1088の両端は係止側部106のメネジを形成する面に設けた上下方向に沿う溝1089にはまる。この溝1089は、リリース力調整子108が係止側部106に設けられたときに、支持軸1088がホルダー回転軸104と平行になるように形成される。カム1086は、係止側部106の係止部1085により飛び出しを制限され、係止部1085に設けた孔により外部に露出する。カム1086が係止部1085から露出する部分は、阻止バーホルダー105の凹部1052に嵌入して、阻止バー駆動用回転軸103の回転により、また風圧による微力により、阻止バーホルダー105の連結部材102からのリリースを制限することができる。阻止バー107がホルダー回転軸104を中心に回転しようとする力が加わると、その所定以上の力によりカム1086はコイルバネ1083に押されながら支持軸1088を中心にして回転し、溝1089に沿って移動し、コイルバネ1083のバネ定数を変化させることなく一定衝撃力以上に反応して安定してリリースさせることができる。
図1−2(e)では、カム1086の形状はほぼ球状であるが、支持軸1087方向に短い円盤状であってもよく、円でなくとも曲面を形成すればよい。また、図1−2(c)のように円筒部材を形成しその中にオネジメネジを形成しスプリング、カム、伝達皿を収納したものとしてもよい。このとき、阻止バーホルダー105の凹部1052はカム1086が形成する幅に合った幅を形成すればよい。
Another embodiment of the release force adjuster 108 is shown in FIGS. 1-2 (e) and 1-2 (f). In the embodiment of FIG. 1-2 (e), the ball 1084 of FIGS. 1-2 (c) and (d) is a cam having a curved surface. A release force adjuster 108 is provided on the locking side portion 106 of the connecting member 102 (FIG. 1-2 (e)). The release force adjuster 108 has a female screw directly formed on the locking side portion 106, a male screw 1082 that fits into the female screw, a coil spring 1083 that contacts the tip of the male screw 1082, and a gap between the tip of the coil spring 1083 and the cam 1086. And a transmission plate 1087 that transmits the repulsive force of the coil spring 1083 to the cam 1086. The cam 1086 is provided with a support shaft 1088, and both ends of the support shaft 1088 fit into a groove 1089 along the vertical direction provided on the surface of the locking side portion 106 where the female thread is formed. The groove 1089 is formed so that the support shaft 1088 is parallel to the holder rotation shaft 104 when the release force adjuster 108 is provided on the locking side portion 106. The cam 1086 is restricted from protruding by the locking portion 1085 of the locking side portion 106 and is exposed to the outside through a hole provided in the locking portion 1085. The portion where the cam 1086 is exposed from the locking portion 1085 is fitted into the concave portion 1052 of the blocking bar holder 105, and the connecting member 102 of the blocking bar holder 105 is rotated by the rotation of the blocking bar driving rotary shaft 103 or by a slight force due to wind pressure. Release from can be limited. When a force to rotate the blocking bar 107 around the holder rotation shaft 104 is applied, the cam 1086 rotates around the support shaft 1088 while being pushed by the coil spring 1083 due to the force greater than a predetermined force, along the groove 1089. It can be moved and stably released in response to a certain impact force or more without changing the spring constant of the coil spring 1083.
In FIG. 1-2E, the shape of the cam 1086 is substantially spherical, but it may be a short disk shape in the direction of the support shaft 1087, or a curved surface may be formed instead of a circle. Alternatively, as shown in FIG. 1-2C, a cylindrical member may be formed, and a female screw may be formed therein, and a spring, a cam, and a transmission tray may be accommodated. At this time, the recess 1052 of the blocking bar holder 105 may be formed with a width that matches the width formed by the cam 1086.

101 阻止バー駆動装置
102 連結部材
103 阻止バー駆動用回転軸
104 ホルダー回転軸
105 阻止バーホルダー
106 係止側部
107 阻止バー
108 リリース力調整子
DESCRIPTION OF SYMBOLS 101 Blocking bar drive device 102 Connecting member 103 Blocking bar drive rotating shaft 104 Holder rotating shaft 105 Blocking bar holder 106 Locking side 107 Blocking bar 108 Release force adjuster

Claims (1)

断面コ字状であってかつ断面コ字状が形成する開放部とその開放部とは反対側の一端部との方向に長さ方向を備えた長手状の部材であって長さ方向が阻止バー駆動用回転軸と直交するように結合して前記阻止バー駆動用回転軸の回転に伴い回転するとともに前記一端部に係止側部を形成した連結部材と、
長手状の筒状部材であって、当該筒状部材の一端部から阻止バーを挿入し保持し、かつ前記連結部材の長さ方向に対し直角に形成したホルダー回転軸を中心に回転可能に搭載されるとともに阻止バーを挿入する方向とは反対方向の面に凹部を設けた阻止バーホルダーとからなり、
ボールにバネの力を与えてリリース制限力を発生するリリース力調整子を前記係止側部に連結部材の前記長さ方向に形成した通過孔に設け、
前記阻止バーホルダーがホルダー回転軸周りで連結部材方向の回転を当該連結部材により制限された状態で、当該阻止バーホルダーの長さ方向について前記一端部に対向する他端部の前記係止側部に対向する面に設けられ当該係止側部に備えられるボールがバネの押力により嵌入できる凹部を備えることを特徴とする阻止バーホルダーのリリース制限機構。


A longitudinal member having a U-shaped cross section and having a longitudinal direction in the direction of the open part formed by the U-shaped cross section and one end opposite to the open part. A coupling member that is coupled so as to be orthogonal to the bar driving rotary shaft and rotates with the rotation of the blocking bar driving rotary shaft and that forms a locking side portion at the one end ;
A longitudinal cylindrical member that is inserted and held from one end of the cylindrical member and is rotatably mounted around a holder rotation axis formed perpendicular to the length direction of the connecting member. And a blocking bar holder provided with a recess on the surface opposite to the direction in which the blocking bar is inserted ,
A release force adjuster that applies a spring force to the ball to generate a release limit force is provided in a passage hole formed in the length direction of the connecting member on the locking side portion,
The locking side portion of the other end portion facing the one end portion in the length direction of the blocking bar holder in a state in which the blocking bar holder is restricted in rotation in the connecting member direction around the rotation axis of the holder by the connecting member. A release limiting mechanism for a blocking bar holder, comprising a recess provided on a surface opposed to the stopper and into which a ball provided on the locking side portion can be fitted by a pressing force of a spring.


JP2010032061A 2010-02-17 2010-02-17 Blocking mechanism for blocking bar holder release Expired - Fee Related JP5517663B2 (en)

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