JP6889936B2 - Scaffolding member and connecting structure of scaffolding member - Google Patents

Scaffolding member and connecting structure of scaffolding member Download PDF

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JP6889936B2
JP6889936B2 JP2019162141A JP2019162141A JP6889936B2 JP 6889936 B2 JP6889936 B2 JP 6889936B2 JP 2019162141 A JP2019162141 A JP 2019162141A JP 2019162141 A JP2019162141 A JP 2019162141A JP 6889936 B2 JP6889936 B2 JP 6889936B2
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wedge
spring
scaffolding
contact
cuneus
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JP2021038609A (en
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山田　博
博 山田
敏朗 青山
敏朗 青山
賢樹 河合
賢樹 河合
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信和株式会社
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
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  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

本発明は、足場部材及び足場部材の連結構造に関する。 The present invention relates to a scaffolding member and a connecting structure of the scaffolding member.

従来、住宅やビル等の建物、橋梁やトンネル等の土木構造物の建築現場では、踏み板を架設するための横架材や、手摺り等として使用される横架材が、足場支柱に連結されて足場が構築されている。このように横架材を足場支柱に連結するために、従前より、横架材の端部に楔が固着された足場部材が多用されている。 Conventionally, at construction sites of buildings such as houses and buildings, and civil engineering structures such as bridges and tunnels, horizontal materials used for erection of treads and horizontal materials used as handrails are connected to scaffolding columns. The scaffolding is being built. In order to connect the horizontal member to the scaffolding column in this way, a scaffolding member having a wedge fixed to the end of the horizontal member has been widely used.

この楔が、足場支柱の外周面に設けられたブラケットに挿入されることにより、横架材が足場支柱に連結される。この足場部材は構造がシンプルで製造しやすく広く使用されているが、下方から加わる外力によって、楔がブラケットから抜け出しやすいという問題がある。 By inserting this wedge into a bracket provided on the outer peripheral surface of the scaffolding column, the horizontal member is connected to the scaffolding column. This scaffolding member has a simple structure, is easy to manufacture, and is widely used, but there is a problem that the wedge easily comes out of the bracket due to an external force applied from below.

この問題を解決するために、特許文献１では、横架材の両端部に、楔部本体と該楔部本体の挿通部に挿入される抜け止め体とを有した楔部を備えた足場部材が提案されている。前記楔部本体は、上下方向に延びる挿通部を有している。挿通部は、該楔部本体の外側面の下端において、内方へ斜状に形成された閉端部が形成されている。 In order to solve this problem, in Patent Document 1, a scaffolding member provided with a wedge portion having a wedge portion main body and a retaining body inserted into the insertion portion of the wedge portion main body at both ends of the horizontal member. Has been proposed. The wedge portion main body has an insertion portion extending in the vertical direction. The insertion portion has a closed end portion formed obliquely inward at the lower end of the outer surface of the wedge portion main body.

前記抜け止め体は、上端に楔部本体の挿通部に通過不能な突起部が形成され、前記楔部本体の外側の楔中間面部に対向する外側面には前記上端よりも突出した第１当接部が形成され、さらに前記外側面と反対側の内側面の下端よりも上方の部位には該下端よりも突出した第２当接部が形成されている。そして、前記抜け止め体において、前記突起部から下端までの上下長さが、前記挿通部の上部周縁から、前記閉端部までの長さよりも長くされている。 In the retaining body, a protrusion that cannot pass through the insertion portion of the wedge portion main body is formed at the upper end, and the outer surface facing the wedge intermediate surface portion on the outer side of the wedge portion main body is the first one that protrudes from the upper end. A contact portion is formed, and a second contact portion protruding from the lower end is formed at a portion above the lower end of the inner surface opposite to the outer surface. Then, in the retaining body, the vertical length from the protruding portion to the lower end is made longer than the length from the upper peripheral edge of the insertion portion to the closed end portion.

この構成より、楔部本体が、足場支柱の断面コ字状のブラケット内に楔部本体が挿入されて、抜け止め体が挿通部に挿通された際、該抜け止め体は、楔部本体の外側面側に対してその上部及び第１当接部が、当接され、かつ、第２当接部がブラケットの内面に当接される。このことにより、抜け止め体及び楔部本体が、がたつくことがなく、ブラケットに対して安定して保持できるようにされている。 From this configuration, when the cuneus body is inserted into the bracket having a U-shaped cross section of the scaffolding column and the retaining body is inserted into the insertion portion, the retaining body is the cuneus main body. The upper portion and the first contact portion are in contact with the outer side surface side, and the second contact portion is in contact with the inner surface of the bracket. As a result, the retaining body and the wedge portion body can be stably held against the bracket without rattling.

また、図７、図８に示すように特許文献２では、横架材１０１の端部に設けられたインサート金具１０４の挿通部１０５内に挿入されたクサビ１００が設けられている。クサビ１００は、前記抜け止め体に相当する。そして、クサビ１００の上部を後方、すなわち、横架材１０１側へ向かって付勢する付勢部材１０２が設けられている。 Further, as shown in FIGS. 7 and 8, in Patent Document 2, a wedge 100 inserted into the insertion portion 105 of the insert metal fitting 104 provided at the end portion of the horizontal member 101 is provided. The wedge 100 corresponds to the retaining body. Then, an urging member 102 that urges the upper portion of the wedge 100 toward the rear, that is, toward the horizontal member 101 side is provided.

そして、付勢部材１０２の付勢力によって、クサビ１００の上下方向の中間部が横架材１０１側の端面に押圧するとともに、クサビ１００の下部側を足場支柱１２０の外周面に設けられたブラケット１２１の内面１２２に押し付けしてロックが可能にされている。このようにして、ロック状態では、インサート金具１０４は前記ブラケットに対して安定した保持が可能になっている。 Then, due to the urging force of the urging member 102, the vertical intermediate portion of the wedge 100 presses against the end surface on the horizontal member 101 side, and the lower side of the wedge 100 is pressed against the outer peripheral surface of the scaffolding column 120. It can be locked by pressing it against the inner surface 122 of the. In this way, in the locked state, the insert fitting 104 can be stably held with respect to the bracket.

特開２０１７−６６３８１号公報JP-A-2017-66381 特許第６２７１０７３号公報Japanese Patent No. 6271073

ところで、特許文献２では、前記抜け止め体に相当するクサビ１００をロック状態とアンロック状態間を遷移する場合、クサビ１００を前記楔部本体に相当するインサート金具１０４の挿通部１０５内を上下に移動させることになる。クサビ１００の上部外側面には浅い溝状の切欠部１０６が形成されており、クサビ１００がアンロック時には、前記付勢部材１０２のクサビ側の当接部位はこの切欠部内に位置し、ロック時には、クサビ１００の下動により、切欠部１０６から離脱してその上方の部位に相対的に移動するようにされている。 By the way, in Patent Document 2, when the wedge 100 corresponding to the retaining body is transitioned between the locked state and the unlocked state, the wedge 100 is moved up and down in the insertion portion 105 of the insert metal fitting 104 corresponding to the cuneus portion main body. It will be moved. A shallow groove-shaped notch 106 is formed on the upper outer surface of the wedge 100, and when the wedge 100 is unlocked, the contact portion on the wedge side of the urging member 102 is located in this notch, and when the wedge 100 is locked, the contact portion on the wedge side is located in the notch. Due to the downward movement of the wedge 100, the wedge 100 is separated from the notch 106 and relatively moved to a portion above the notch 106.

このような構造にあっては、足場部材の足場支柱１２０に対する取付け、取り外しが繰り返されると、前記付勢部材１０２に切欠部１０６の段差１０７が前記付勢部材１０２に直接当たることが繰り返されることによって、付勢部材１０２が変形する問題がある。すなわち、クサビ１００のロック及びアンロックは、クサビ１００に対してハンマー等による打ち込み操作により行われており、特に、ロック状態からアンロック状態にするため、上動するクサビの前記段差１０７による前記付勢部材１０２に対する衝撃は大きく、変形が促進されて、付勢力が損なわれ、最後はクサビ１００が抜け落ちる問題がある。 In such a structure, when the scaffolding member is repeatedly attached to and detached from the scaffolding column 120, the step 107 of the notch 106 directly hits the scaffolding member 102 repeatedly. There is a problem that the urging member 102 is deformed due to this. That is, the wedge 100 is locked and unlocked by driving the wedge 100 with a hammer or the like. In particular, in order to change from the locked state to the unlocked state, the step 107 of the wedge that moves upward causes the attachment. The impact on the force member 102 is large, deformation is promoted, the urging force is impaired, and there is a problem that the wedge 100 finally comes off.

本発明の目的は、上記課題を解決して、足場部材の足場支柱に対する取付け、取り外しが繰り返された場合であっても、付勢部材の変形を抑制する足場部材及び足場部材の連結構造を提供することにある。 An object of the present invention is to solve the above problems and provide a scaffolding member and a scaffolding member connecting structure that suppresses deformation of the scaffolding member even when the scaffolding member is repeatedly attached to and detached from the scaffolding column. To do.

上記問題点を解決するために、本発明の足場部材は、横架材の端部に楔部を備え、前記楔部は、上下方向に形成された挿通部を有する楔部本体と、前記挿通部に挿入されて下動した際に前記楔部本体が内嵌した外部部材及び前記楔部本体の両者に対してともに当接係止するロック状態となり、ロック状態から上動した際に、前記楔部本体をアンロック状態とする抜け止め体とを備える足場部材であって、前記抜け止め体は、前記横架材の端部の相対部位には段差部を有していて、前記段差部と前記横架材の端部間には、前記抜け止め体を前記挿通部の前記横架材側面へ常時付勢するバネ部材が配置されるとともに、前記バネ部材を前記端部に支持するバネ支持部材が配置され、前記バネ支持部材は、前記抜け止め体に摺接するとともに前記抜け止め体のロック状態からアンロック状態への遷移時に、前記段差部の段差に当接する摺接部を有するものである。 In order to solve the above problems, the scaffolding member of the present invention is provided with a wedge portion at an end portion of the horizontal member, and the wedge portion includes a wedge portion main body having an insertion portion formed in the vertical direction and the insertion portion. When the wedge portion body is inserted into the portion and moves downward, the wedge portion main body is in a locked state in which both the external member fitted therein and the wedge portion main body are abutted and locked, and when the wedge portion main body is moved upward from the locked state, the said A scaffolding member including a retaining body that unlocks the cuneus body, and the retaining body has a step portion at a relative portion of an end portion of the horizontal member, and the step portion is provided. A spring member that constantly urges the retaining body to the side surface of the horizontal member of the insertion portion is arranged between the end portion of the horizontal member and a spring that supports the spring member at the end portion. A support member is arranged, and the spring support member has a sliding contact portion that is in sliding contact with the retaining body and is in contact with the step of the step portion when the retaining body is transitioned from the locked state to the unlocked state. Is.

また、前記バネ支持部材は、前記横架材の端面に形成された支持部に対して、揺動自在に貫通されたバネ支持杆であり、前記バネ支持杆の頭部に前記摺接部が形成されていてもよい。 Further, the spring support member is a spring support rod that swingably penetrates the support portion formed on the end surface of the horizontal member, and the sliding contact portion is attached to the head of the spring support rod. It may be formed.

また、前記バネ部材は前記バネ支持杆に巻装されたコイルバネ、円錐バネ、板バネ、または皿バネとしてもよい。
また、前記抜け止め体は、その上下の部位に前記楔部本体の前記挿通部の反横架材側の面に対して、ロック状態のときに当接する第１当接部及び第３当接部を備え、横架材側の中間部位に前記外部部材に当接する第２当接部を備えることが好ましい。 Further, the spring member may be a coil spring, a conical spring, a leaf spring, or a disc spring wound around the spring support rod.
Further, the retaining body has a first contact portion and a third contact portion that contact the upper and lower portions of the wedge portion main body with respect to the surface of the insertion portion on the anti-horizontal member side in the locked state. It is preferable to provide a portion, and to provide a second contact portion that contacts the external member at an intermediate portion on the horizontal member side.

本発明の足場部材の連結構造は、横架材の端部に楔部を備え、前記楔部は、上下方向に形成された挿通部を有する楔部本体と、前記挿通部に挿入されて下動した際に前記楔部本体が内嵌した外部部材及び前記楔部本体の両者に対してともに当接係止するロック状態となり、ロック状態から上動した際に、前記楔部本体をアンロック状態とする抜け止め体とを備える足場部材と、前記足場部材が、外周面に前記外部部材としての横断面コ字状のブラケット体が設けられた足場支柱に連結されている足場部材の連結構造であって、前記抜け止め体は、前記横架材の端部の相対部位には段差部を有していて、前記段差部と前記横架材の端部間には、前記抜け止め体を前記挿通部の前記横架材側面へ常時付勢するバネ部材が配置されるとともに、前記バネ部材を前記端部に支持するバネ支持部材が配置され、前記バネ支持部材は、前記抜け止め体に摺接するとともに前記抜け止め体のロック状態からアンロック状態への遷移時に、前記段差部の段差に当接する摺接部を有するものである。 The scaffolding member connecting structure of the present invention includes a cuneus at the end of the horizontal member, and the cuneus is a cuneus body having an insertion portion formed in the vertical direction and a lower portion inserted into the insertion portion. When the cuneus body is moved, the cuneus body is locked by contacting and locking both the external member internally fitted and the cuneus body, and when the cuneus body is moved upward from the locked state, the cuneus body is unlocked. A connecting structure of a scaffolding member including a retaining body to be in a state and a scaffolding member in which the scaffolding member is connected to a scaffolding column provided with a bracket body having a U-shaped cross section as the external member on the outer peripheral surface. The retaining body has a stepped portion at a relative portion of the end portion of the horizontal member, and the retaining body is provided between the stepped portion and the end portion of the horizontal member. A spring member that constantly urges the side surface of the horizontal member of the insertion portion is arranged, and a spring support member that supports the spring member at the end portion is arranged, and the spring support member is attached to the retaining body. It has a sliding contact portion that comes into contact with the step of the step portion at the time of transition from the locked state to the unlocked state of the retaining body while sliding.

本発明によれば、足場部材の足場支柱に対する取付取り外しが繰り返された場合であっても、付勢部材の変形を抑制できる効果を奏する。 According to the present invention, even when the scaffolding member is repeatedly attached to and detached from the scaffolding column, the deformation of the urging member can be suppressed.

一実施形態の足場部材の全体斜視図。The whole perspective view of the scaffolding member of one Embodiment. （ａ）はロック状態の足場部材の部分斜視図、（ｂ）はアンロック状態の足場部材の部分斜視図。(A) is a partial perspective view of the scaffolding member in the locked state, and (b) is a partial perspective view of the scaffolding member in the unlocked state. （ａ）はロック状態の足場部材の部分斜視図、（ｂ）はアンロック状態の足場部材の部分斜視図。(A) is a partial perspective view of the scaffolding member in the locked state, and (b) is a partial perspective view of the scaffolding member in the unlocked state. （ａ）はアンロック状態の足場部材の連結構造の部分断面図、（ｂ）はロック状態の足場部材の連結構造の部分断面図。(A) is a partial cross-sectional view of the connecting structure of the scaffolding member in the unlocked state, and (b) is a partial cross-sectional view of the connecting structure of the scaffolding member in the locked state. 足場部材の楔部の断面図。Sectional drawing of the wedge part of a scaffolding member. （ａ）は他の実施形態のアンロック状態の足場部材の連結構造の部分断面図、（ｂ）は他の実施形態のロック状態の足場部材の連結構造の部分断面図。(A) is a partial cross-sectional view of a connecting structure of an unlocked scaffolding member of another embodiment, and (b) is a partial cross-sectional view of a connecting structure of an unlocked scaffolding member of another embodiment. 従来例のアンロック状態の足場部材の連結構造の部分断面図。FIG. 3 is a partial cross-sectional view of a connection structure of a scaffolding member in an unlocked state of a conventional example. 従来例のロック状態の足場部材の連結構造の部分断面図。Partial sectional view of the connection structure of the scaffolding member in a locked state of a conventional example.

（実施形態）
以下、本発明を具体化した実施形態の足場部材及び足場部材の連結構造を図１〜図５を参照して説明する。 (Embodiment)
Hereinafter, the scaffolding member and the connecting structure of the scaffolding member according to the embodiment of the present invention will be described with reference to FIGS. 1 to 5.

図１に示すように、本実施形態の足場部材１０は、管材からなる横架材１２の両端部に楔部２０Ａ、２０Ｂを備えている。楔部２０Ｂを構成する各部材は、楔部２０Ａを構成する各部材に対して横架材１２の軸方向において、１８０度反対に形成されていることが異なるだけである。このため、楔部２０Ｂを構成する各部材については、楔部２０Ａを構成する各部材に付する符号を付してその詳細な説明を省略する。以下、楔部２０Ａについて説明する。 As shown in FIG. 1, the scaffolding member 10 of the present embodiment includes wedge portions 20A and 20B at both ends of a horizontal member 12 made of a pipe material. The only difference is that each member constituting the wedge portion 20B is formed 180 degrees opposite to each member constituting the wedge portion 20A in the axial direction of the horizontal member 12. Therefore, each member constituting the wedge portion 20B is designated by a reference numeral attached to each member constituting the wedge portion 20A, and detailed description thereof will be omitted. Hereinafter, the wedge portion 20A will be described.

楔部２０Ａは、楔部本体２２と楔部本体２２の挿通部２６に挿入される抜け止め体２４とを備えている。
図１、図２（ａ）、図２（ｂ）、及び図５に示すように、楔部本体２２は、横架材１２の端部側に配置にされている。楔部本体２２は、横架材１２の軸方向に交差する上下方向に延びていると共に下端に向かって幅が減少しているテーパ状の一対の楔側面部２８と、横架材１２に固着されている側とは反対側で一対の楔側面部２８を連結している楔中間面部３０を有する。また、図４（ａ）、図４（ｂ）及び図５に示すように、楔部本体２２は、一対の楔側面部２８の下端間を連結して、楔部本体２２の下端を閉端としている閉端部３２を備えている。 The wedge portion 20A includes a wedge portion main body 22 and a retaining body 24 inserted into the insertion portion 26 of the wedge portion main body 22.
As shown in FIGS. 1, 2 (a), 2 (b), and 5, the cuneus main body 22 is arranged on the end side of the horizontal member 12. The wedge portion main body 22 is fixed to a pair of tapered wedge side surface portions 28 extending in the vertical direction intersecting the axial direction of the horizontal member 12 and decreasing in width toward the lower end, and the horizontal member 12. It has a wedge intermediate surface portion 30 connecting a pair of wedge side surface portions 28 on the side opposite to the side to be wedged. Further, as shown in FIGS. 4 (a), 4 (b) and 5, the wedge portion main body 22 connects the lower ends of the pair of wedge side surface portions 28, and closes the lower end of the wedge portion main body 22. It is provided with a closed end portion 32.

挿通部２６は、一対の楔側面部２８、楔中間面部３０により形成されていることにより溝を有していて、下端が閉端部３２にて閉塞されている。また、挿通部２６の上端において、横架材１２側は、横架材１２の端部側に配置された後述する支持部としての支持部材３４が配置されている。 The insertion portion 26 has a groove because it is formed by a pair of wedge side surface portions 28 and a wedge intermediate surface portion 30, and the lower end thereof is closed by the closed end portion 32. Further, at the upper end of the insertion portion 26, on the horizontal member 12 side, a support member 34 as a support portion, which will be described later, is arranged on the end side of the horizontal member 12.

挿通部２６において、支持部材３４が配置されていない一対の楔側面部２８の部位は、１２側において外部空間に連通して開放された開端３６となっている。本実施形態では、開端３６の開放領域は、上は支持部材３４の下端から、下は閉端部３２まで開放されている。なお、開端３６の開放領域は、後述する抜け止め体２４の下端部６０がロック状態において、外部に露出できるものであれば上記範囲に限定するものではない。すなわち、抜け止め体２４の下端部６０がロック状態において外部に露出できるように少なくとも前記閉端部近傍が開放されていればよい。また、挿通部２６の上端は、楔中間面部３０及び一対の楔側面部２８の上辺を周縁とし、かつ、支持部材３４の上部の周縁とする開口部３８を有している。 In the insertion portion 26, the portion of the pair of wedge side surface portions 28 on which the support member 34 is not arranged is an open end 36 which is open to communicate with the external space on the 12 side. In the present embodiment, the open region of the open end 36 is open from the lower end of the support member 34 on the upper side to the closed end portion 32 on the lower side. The open area of the open end 36 is not limited to the above range as long as the lower end 60 of the retaining body 24, which will be described later, can be exposed to the outside in the locked state. That is, at least the vicinity of the closed end portion may be open so that the lower end portion 60 of the retaining body 24 can be exposed to the outside in the locked state. Further, the upper end of the insertion portion 26 has an opening 38 having the upper side of the wedge intermediate surface portion 30 and the pair of wedge side surface portions 28 as the peripheral edge and the upper peripheral edge of the support member 34.

抜け止め体２４は、略平板状を成していて上下方向に延出されており、その上端には、開口部３８を通過不能にフランジ状に形成された突起部４０を有している。図２（ａ）、図４（ａ）及び図４（ｂ）に示すように、抜け止め体２４において、楔中間面部３０に対面する外側面２４ａの上部側は膨出されて上端部５６よりも突出した第１当接部４２が形成されている。また、抜け止め体２４において、外側面２４ａと反対側の内側面２４ｂにおいて、下端より上方の部位で突出する第２当接部４４が形成されている。また、図４（ｂ）に示すように、抜け止め体２４は、突起部４０から下端までの上下方向の長さが、開口部３８の周縁から閉端部３２の先端までの長さより長く形成されている。 The retaining body 24 has a substantially flat plate shape and extends in the vertical direction, and has a flange-shaped protrusion 40 formed at the upper end thereof so as not to pass through the opening 38. As shown in FIGS. 2 (a), 4 (a) and 4 (b), in the retaining body 24, the upper side of the outer surface 24a facing the wedge intermediate surface 30 is bulged from the upper end 56. The protruding first contact portion 42 is formed. Further, in the retaining body 24, a second contact portion 44 is formed on the inner side surface 24b opposite to the outer surface 24a so as to protrude at a portion above the lower end. Further, as shown in FIG. 4B, the retaining body 24 is formed so that the length from the protrusion 40 to the lower end in the vertical direction is longer than the length from the peripheral edge of the opening 38 to the tip of the closed end 32. Has been done.

横架材１２は、円筒状の横架材本体４６と、横架材本体４６の端部に内嵌して固定された連結筒部４８と、前記連結筒部４８の先端の上下縁部間に連結された前記支持部材３４と、支持部材３４に取り付けられたバネ支持部材としてのバネ支持杆５０、及びバネ支持杆５０に取り付けられたバネ部材５２を備えている。バネ部材５２は、本実施形態では、コイルバルで構成されている。 The horizontal member 12 is between the cylindrical horizontal member main body 46, the connecting tubular portion 48 internally fitted and fixed to the end portion of the horizontal member main body 46, and the upper and lower edges of the tip of the connecting tubular portion 48. The support member 34 connected to the support member 34, a spring support rod 50 as a spring support member attached to the support member 34, and a spring member 52 attached to the spring support rod 50 are provided. In the present embodiment, the spring member 52 is composed of a coil bar.

図４（ａ）、図４（ｂ）及び図５に示すように、支持部材３４は、板材からなり、上端及び下端が連結筒部４８の端面の上下のそれぞれの部位に固定されるとともに、中間部は、連結筒部４８内に入るように凹状に形成されていて、内底壁に貫通孔５４が透設されている。貫通孔５４には、バネ支持杆５０の杆部５０ａが揺動自在に挿入されている。杆部５０ａの抜け止め体２４側の端部、すなわち頭部には、フランジ状の摺接部５０ｂが形成されている。バネ支持杆５０において、バネ支持杆５０と支持部材３４の内底壁間には、バネ部材５２が巻装されている。バネ部材５２は、一端が摺接部５０ｂに係止されるとともに他端が前記内底壁に係止されている。この結果、バネ部材５２の付勢力により、バネ支持杆５０は、抜け止め体２４に対して摺接部５０ｂが常時当接し、抜け止め体２４が上下動する際に摺接するようにされている。 As shown in FIGS. 4 (a), 4 (b) and 5, the support member 34 is made of a plate material, and the upper end and the lower end are fixed to the upper and lower portions of the end surface of the connecting cylinder portion 48, and the support member 34 is fixed to each of the upper and lower portions. The intermediate portion is formed in a concave shape so as to enter the connecting cylinder portion 48, and a through hole 54 is transparently provided in the inner bottom wall. A rod portion 50a of the spring support rod 50 is oscillatingly inserted into the through hole 54. A flange-shaped sliding contact portion 50b is formed at the end portion of the rod portion 50a on the retaining body 24 side, that is, at the head portion. In the spring support rod 50, a spring member 52 is wound between the spring support rod 50 and the inner bottom wall of the support member 34. One end of the spring member 52 is locked to the sliding contact portion 50b, and the other end is locked to the inner bottom wall. As a result, due to the urging force of the spring member 52, the spring support rod 50 is made to be in sliding contact with the retaining body 24 when the sliding contact portion 50b is constantly in contact with the retaining body 24 and the retaining body 24 moves up and down. ..

楔部本体２２は、楔側面部２８の上端側が、横架材１２の連結筒部４８に固着されている。楔側面部２８は、連結筒部４８に固着されている部分で、円筒状の連結筒部４８の外周面に沿うように湾曲している。楔側面部２８は、前述した湾曲した部分よりも下端側で、下端に向かって幅が減少するテーパ状となっており、この部分が後述するブラケット８２内に挿入可能となっている。図４（ａ）及び図４（ｂ）に示すように、楔側面部２８の一対の側辺のうち、楔中間面部３０側の側辺は横架材１２の軸方向に直交する方向に延びており、もう一方の側辺は下方に向かうにつれて他方の側辺に近づくように傾斜している。これにより、楔側面部２８がテーパ状となっている。 The upper end side of the wedge side surface portion 28 of the wedge portion main body 22 is fixed to the connecting cylinder portion 48 of the horizontal member 12. The wedge side surface portion 28 is a portion fixed to the connecting cylinder portion 48 and is curved along the outer peripheral surface of the cylindrical connecting cylinder portion 48. The wedge side surface portion 28 has a tapered shape whose width decreases toward the lower end on the lower end side of the curved portion described above, and this portion can be inserted into the bracket 82 described later. As shown in FIGS. 4A and 4B, of the pair of side sides of the wedge side surface portion 28, the side side on the wedge intermediate surface portion 30 side extends in a direction orthogonal to the axial direction of the horizontal member 12. The other side is tilted toward the other side as it goes downward. As a result, the wedge side surface portion 28 is tapered.

また、楔側面部２８の上辺は開端であり、これを周縁とする開口部３８が一対の楔側面部２８間に形成されている。楔中間面部３０は、円筒状または円柱状の足場支柱８０の外周面に沿うように湾曲して形成されている。図４（ａ）に示すように、閉端部３２は、一対の楔側面部２８の下端同士を湾曲しつつ連結している。 Further, the upper side of the wedge side surface portion 28 is an open end, and an opening 38 having this as a peripheral edge is formed between the pair of wedge side surface portions 28. The wedge intermediate surface portion 30 is formed so as to be curved along the outer peripheral surface of the cylindrical or columnar scaffolding column 80. As shown in FIG. 4A, the closed end portions 32 connect the lower ends of the pair of wedge side surface portions 28 while being curved.

図４（ａ）、及び図４（ｂ）に示すように、抜け止め体２４は、上端から下端に向かって順に上端部５６、主軸部５８、及び下端部６０に区分される。上端部５６には前記突起部４０を備えている。主軸部５８は上端部５６に対して楔中間面部３０に向かって屈曲して第１当接部４２を形成した後、下端部６０に至るまで直線状に延びている。下端部６０は、主軸部５８に対して楔中間面部３０とは反対側に向かって略Ｌ字状に湾曲している。そして、主軸部５８の屈曲している部分において外側面２４ａ側の角部が、第３当接部６２を構成している。また、第２当接部４４は、主軸部５８の内側面２４ｂにおける、下端部６０から上方において、主軸部５８の長さの約１／３に相当する長さ分が、縦断面山形に突出されている。第２当接部４４は、抜け止め体２４の横架材側の中間部位に設けられたものに相当する。 As shown in FIGS. 4A and 4B, the retaining body 24 is divided into an upper end portion 56, a main shaft portion 58, and a lower end portion 60 in this order from the upper end to the lower end. The upper end portion 56 is provided with the protrusion 40. The main shaft portion 58 bends toward the wedge intermediate surface portion 30 with respect to the upper end portion 56 to form the first contact portion 42, and then extends linearly to the lower end portion 60. The lower end portion 60 is curved in a substantially L shape with respect to the main shaft portion 58 toward the side opposite to the wedge intermediate surface portion 30. Then, in the bent portion of the main shaft portion 58, the corner portion on the outer surface 24a side constitutes the third contact portion 62. Further, in the second contact portion 44, a length corresponding to about 1/3 of the length of the spindle portion 58 protrudes in a vertical cross-sectional chevron shape above the lower end portion 60 on the inner side surface 24b of the spindle portion 58. Has been done. The second contact portion 44 corresponds to the one provided at the intermediate portion on the horizontal member side of the retaining body 24.

また、主軸部５８の内側面２４ｂにおいて、第１当接部４２よりも下方の部位は、平面状の段差面を有する段差部６４が切り欠き形成されている。段差部６４の下端には段差６６が形成されている。段差６６は、段差部６４の段差面に対して直角に形成されていても、或いはテーパー状に形成されていても、どちらでもよい。 Further, on the inner surface surface 24b of the main shaft portion 58, a stepped portion 64 having a flat stepped surface is formed by notching a portion below the first contact portion 42. A step 66 is formed at the lower end of the step portion 64. The step 66 may be formed at a right angle to the step surface of the step portion 64, or may be formed in a tapered shape.

図４（ａ）、図４（ｂ）及び図５に示すように、バネ支持杆５０の摺接部５０ｂは、バネ部材５２に付勢力により、段差部６４の段差面に当接、及び摺接するとともに、図４（ｂ）の楔部２０Ａのロック状態から、図４（ａ）のアンロック状態へ遷移する際の抜け止め体２４の上動時に、段差６６に当接可能となっている。 As shown in FIGS. 4A, 4B and 5, the sliding contact portion 50b of the spring support rod 50 abuts on the stepped surface of the stepped portion 64 by the urging force on the spring member 52 and slides. At the same time, the wedge portion 20A in FIG. 4B can be brought into contact with the step 66 when the retaining body 24 is moved upward when transitioning from the locked state to the unlocked state in FIG. 4A. ..

図３（ａ）、図３（ｂ）、図４（ａ）及び図４（ｂ）に示すように、上記足場部材１０は、ブラケット８２を有する足場支柱８０に連結される。足場支柱８０は円筒状または円柱状であり、複数のブラケット８２が外周面に設けられている。それぞれのブラケット８２は、足場支柱８０の外周面に固着された一対の側面８４と、一対の側面８４を連結する中間面８６によって、横断面コ字形に形成されている。 As shown in FIGS. 3 (a), 3 (b), 4 (a) and 4 (b), the scaffolding member 10 is connected to a scaffolding column 80 having a bracket 82. The scaffolding column 80 is cylindrical or columnar, and a plurality of brackets 82 are provided on the outer peripheral surface. Each bracket 82 is formed in a U-shape in cross section by a pair of side surfaces 84 fixed to the outer peripheral surface of the scaffolding column 80 and an intermediate surface 86 connecting the pair of side surfaces 84.

（実施形態の作用）
図２（ｂ）に示すようにブラケット８２に対して楔部２０Ａを挿入して嵌合する際には、まず抜け止め体２４の上端側を把持して上方に引き上げ、抜け止め体２４の下端側が楔部本体２２の挿通部２６内に引き入れられた状態とする。 (Action of Embodiment)
As shown in FIG. 2B, when the wedge portion 20A is inserted into the bracket 82 and fitted, the upper end side of the retaining body 24 is first grasped and pulled upward, and the lower end of the retaining body 24 is pulled down. It is assumed that the side is pulled into the insertion portion 26 of the wedge portion main body 22.

この状態で楔部本体２２をブラケット８２に挿入することにより、横架材１２が足場支柱８０に連結される。
図４（ａ）に示すように楔部本体２２の楔側面部２８は、下端に向かって幅が減少するテーパ状であるため、楔側面部２８における楔中間面部３０とは反対側の側辺がブラケット８２の上端縁と干渉し、楔部本体２２がブラケット８２内にしっかりと保持される。これとともに、閉端部３２及びその近傍がブラケット８２より下方に露出する。 By inserting the wedge portion main body 22 into the bracket 82 in this state, the horizontal member 12 is connected to the scaffolding support column 80.
As shown in FIG. 4A, the wedge side surface portion 28 of the wedge portion main body 22 has a tapered shape whose width decreases toward the lower end, so that the side side of the wedge side surface portion 28 opposite to the wedge intermediate surface portion 30. Interferes with the upper end edge of the bracket 82, and the wedge body 22 is firmly held in the bracket 82. At the same time, the closed end portion 32 and its vicinity are exposed below the bracket 82.

また、この状態では、楔部本体２２の楔中間面部３０が足場支柱８０の外周面に当接する。特に、本実施形態では、楔中間面部３０が足場支柱８０の外周面に沿うように湾曲しているため、楔中間面部３０が足場支柱８０の外周面に広い面積で当接し、楔部本体２２がブラケット８２に保持された姿勢が安定する。ただし、この状態では、横架材１２に対して下方から上方に向かう外力が加わる等、楔部本体２２に対して上方に向かう外力が加わると、楔部本体２２がブラケット８２から抜け出るおそれがある。 Further, in this state, the wedge intermediate surface portion 30 of the wedge portion main body 22 comes into contact with the outer peripheral surface of the scaffolding column 80. In particular, in the present embodiment, since the wedge intermediate surface portion 30 is curved along the outer peripheral surface of the scaffolding column 80, the wedge intermediate surface portion 30 abuts on the outer peripheral surface of the scaffolding column 80 over a wide area, and the wedge portion main body 22 Is held by the bracket 82 and the posture is stable. However, in this state, if an external force upward from below is applied to the horizontal member 12 or an external force is applied upward to the wedge body 22, the wedge body 22 may come off from the bracket 82. ..

そこで、バネ部材５２の付勢力に抗して抜け止め体２４を楔部本体２２の挿通部２６に落とし込むと、図４（ｂ）に示すように、抜け止め体２４が楔部本体２２のブラケット８２からの抜け止めとして作用している状態になる。 Therefore, when the retaining body 24 is dropped into the insertion portion 26 of the wedge portion main body 22 against the urging force of the spring member 52, the retaining body 24 is a bracket of the wedge portion main body 22 as shown in FIG. 4 (b). It is in a state of acting as a retainer from the 82.

すなわち、下方に落とし込まれた抜け止め体２４の下端側は、バネ部材５２の付勢力に抗してブラケット８２の内部空間を通過し、下端が楔部本体２２の閉端部３２にぶつかる。このとき、抜け止め体２４は、突起部４０より下側の部分の長さは開口部３８の周縁から閉端部３２までの長さより長くしているため、閉端部３２によってそれ以上の直下への移動が制限されるとともに、図４（ｂ）に示すようにその分下端部６０が閉端部３２の内面に案内されて、開端３６から外方に向かって斜めに延び出す。 That is, the lower end side of the retaining body 24 that has been dropped downward passes through the internal space of the bracket 82 against the urging force of the spring member 52, and the lower end collides with the closed end portion 32 of the wedge portion main body 22. At this time, since the length of the portion of the retaining body 24 below the protrusion 40 is longer than the length from the peripheral edge of the opening 38 to the closed end portion 32, the closed end portion 32 is directly below the portion. As shown in FIG. 4B, the lower end portion 60 is guided to the inner surface of the closed end portion 32, and extends diagonally outward from the open end 36.

その結果、抜け止め体２４は楔部本体２２を斜めに貫通し、抜け止め体２４の下端側が閉端部３２の開端縁に当接した状態となる。
図４（ｂ）に示すように、そして、抜け止め体２４の外側面２４ａにおいて第１当接部４２が上端部５６より突出しているため、第１当接部４２が楔中間面部３０の内周壁のどこかで当接する。ここで、楔中間面部３０の内周壁の面は、挿通部２６における横架材側面に相当する。 As a result, the retaining body 24 penetrates the wedge body 22 diagonally, and the lower end side of the retaining body 24 is in contact with the open end edge of the closed end portion 32.
As shown in FIG. 4B, and since the first contact portion 42 protrudes from the upper end portion 56 on the outer surface 24a of the retaining body 24, the first contact portion 42 is inside the wedge intermediate surface portion 30. It abuts somewhere on the peripheral wall. Here, the surface of the inner peripheral wall of the wedge intermediate surface portion 30 corresponds to the side surface of the horizontal member in the insertion portion 26.

また、抜け止め体２４の内側面２４ｂにおいて第２当接部４４が下端より上方で突出しているため、第２当接部４４がブラケット８２の中間面８６の内周壁にどこかで当接する。また、第３当接部６２は、閉端部３２の開端縁に対して当接して係止される。ここで、ブラケット８２の中間面８６の内周壁は外部部材に相当する。また、閉端部３２の内面は、横架材側面に相当する。 Further, since the second contact portion 44 projects above the lower end on the inner surface surface 24b of the retaining body 24, the second contact portion 44 comes into contact with the inner peripheral wall of the intermediate surface 86 of the bracket 82 somewhere. Further, the third contact portion 62 is in contact with the open end edge of the closed end portion 32 and is locked. Here, the inner peripheral wall of the intermediate surface 86 of the bracket 82 corresponds to an external member. Further, the inner surface of the closed end portion 32 corresponds to the side surface of the horizontal member.

また、この抜け止め体２４が楔部本体２２及びブラケット８２と三カ所で当接した状態は、バネ部材５２により抜け止め体２４が、楔中間面部３０側へ付勢されていることにより、保持される。これにより、抜け止め体２４が楔部本体２２及びブラケット８２と三カ所で当接している連結構造を、確実に構築することができる。 Further, the state in which the retaining body 24 is in contact with the wedge portion main body 22 and the bracket 82 at three points is held by the retaining body 24 being urged toward the wedge intermediate surface portion 30 by the spring member 52. Will be done. As a result, it is possible to reliably construct a connecting structure in which the retaining body 24 is in contact with the wedge portion main body 22 and the bracket 82 at three points.

すなわち、楔部本体２２がブラケット８２に挿入されて、抜け止め体２４が楔部本体２２の挿通部２６を貫通して下端側が閉端部３２の近傍の開端３６から外方に向かって斜めに延び出している。この状態では、抜け止め体２４において、外側面２４ａの第３当接部６２が楔部本体２２の閉端部３２の開端縁に当接し、第１当接部４２が楔部本体２２の楔中間面部３０に当接し、且つ、第２当接部４４がブラケット８２の内周面に当接している連結構造が構築される。 That is, the wedge portion main body 22 is inserted into the bracket 82, the retaining body 24 penetrates the insertion portion 26 of the wedge portion main body 22, and the lower end side is obliquely outward from the open end 36 near the closed end portion 32. It is extending. In this state, in the retaining body 24, the third contact portion 62 of the outer surface 24a abuts on the open end edge of the closed end portion 32 of the wedge portion main body 22, and the first contact portion 42 is the wedge of the wedge portion main body 22. A connecting structure is constructed in which the intermediate surface portion 30 is in contact with the second contact portion 44 and the second contact portion 44 is in contact with the inner peripheral surface of the bracket 82.

上記連結構造では、楔部本体２２を斜め方向に貫通している抜け止め体２４は、外側面２４ａの下端近傍で楔部本体２２の閉端部３２の開端縁に当接しており、外側面２４ａにおける第１当接部４２が楔部本体２２の楔中間面部３０に当接している。これとともに、内側面２４ｂにおける第２当接部４４がブラケット８２の中間面８６の内周面に当接している。すなわち、抜け止め体２４は、外側面２４ａにおける上下の二カ所と、外側面２４ａとは反対側の内側面２４ｂにおける中途の高さの一カ所との計三カ所で、楔部本体２２及びブラケット８２の内周面に当接したロック状態となる。これにより、抜け止め体２４が楔部本体２２を斜め方向に貫通し、ブラケット８２からの楔部本体２２の抜け止めとして作用している姿勢が、がたつくことなく安定して保持される。 In the above connecting structure, the retaining body 24 that penetrates the wedge portion main body 22 in an oblique direction is in contact with the open end edge of the closed end portion 32 of the wedge portion main body 22 near the lower end of the outer surface 24a, and is in contact with the open end edge of the wedge portion main body 22. The first contact portion 42 in 24a is in contact with the wedge intermediate surface portion 30 of the wedge portion main body 22. At the same time, the second contact portion 44 on the inner side surface 24b is in contact with the inner peripheral surface of the intermediate surface 86 of the bracket 82. That is, the retaining body 24 has a wedge portion main body 22 and a bracket at two places, one above and one below the outer surface 24a, and one place at an intermediate height on the inner side surface 24b on the opposite side of the outer surface 24a. It is in a locked state in contact with the inner peripheral surface of 82. As a result, the posture in which the retaining body 24 penetrates the wedge body 22 in an oblique direction and acts as a retaining body for the wedge body 22 from the bracket 82 is stably held without rattling.

上記のロック状態からアンロック状態にする場合、図４（ｂ）に示すように開端３６から外方に向かって斜めに延び出している抜け止め体２４の下端部６０を上方へ、すなわち、挿通部２６内へ押し込む。通常、この押し込みは作業者がハンマー等による打ち込みにより、行われる。この押し込みにより、第１当接部４２と楔中間面部３０の内周壁の当接による拘束、第２当接部４４とブラケット８２の中間面８６の内周面の当接による拘束、及び第３当接部６２の楔部本体２２の閉端部３２の開端縁に当接による抜け止め体２４の拘束が解除される。この拘束が解除された抜け止め体２４は上動する。 When changing from the locked state to the unlocked state, as shown in FIG. 4B, the lower end portion 60 of the retaining body 24 extending diagonally outward from the open end 36 is inserted upward, that is, inserted. Push it into the part 26. Usually, this pushing is performed by the operator by driving with a hammer or the like. By this pushing, the first contact portion 42 and the wedge intermediate surface portion 30 are restrained by the contact of the inner peripheral wall, the second contact portion 44 and the bracket 82 are restrained by the contact of the inner peripheral surface of the intermediate surface 86, and the third The restraint of the retaining body 24 due to contact with the open end edge of the closed end portion 32 of the wedge portion main body 22 of the abutting portion 62 is released. The retaining body 24 whose restraint is released moves upward.

この上動時に、バネ支持杆５０の摺接部５０ｂは、バネ部材５２の付勢により、段差部６４に対して相対的に摺接する。そして、抜け止め体２４の上動は、摺接部５０ｂが段差部６４の段差６６に衝接により、停止される。 At the time of this upward movement, the sliding contact portion 50b of the spring support rod 50 is in sliding contact with respect to the step portion 64 due to the urging of the spring member 52. Then, the upward movement of the retaining body 24 is stopped by the sliding contact portion 50b contacting the step 66 of the step portion 64.

上記のように上動する抜け止め体２４は、摺接部５０ｂに対して、段差６６が当接して係止されるが、バネ部材５２に対しては、直接の衝撃が加わることはない。このため、足場部材１０の、足場支柱８０に対する取付け取り外しが繰り返された場合であって、ロック状態からアンロック状態の遷移時の際、上動する抜け止め体２４の前記段差６６によるバネ部材５２に対する直接の衝撃を回避でき、バネ部材５２の変形が抑制できる。なお、バネ部材５２に対する変形が進むと、バネ部材５２の付勢力が損なわれ、最後は抜け止め体２４が抜け落ちる原因となる。 The retaining body 24 that moves upward as described above is locked with the step 66 in contact with the sliding contact portion 50b, but no direct impact is applied to the spring member 52. Therefore, in the case where the scaffolding member 10 is repeatedly attached to and detached from the scaffolding support column 80, and when the transition from the locked state to the unlocked state occurs, the spring member 52 due to the step 66 of the retaining body 24 that moves upward. The direct impact on the spring member 52 can be avoided, and the deformation of the spring member 52 can be suppressed. If the spring member 52 is deformed, the urging force of the spring member 52 is impaired, which eventually causes the retaining body 24 to come off.

本実施形態では、下記の特徴を有する。
（１）本実施形態の足場部材１０及び足場部材の連結構造では、足場部材１０が、横架材１２の両端部に楔部２０Ａ、２０Ｂを備えている。楔部２０Ａ、２０Ｂは、上下方向に形成された挿通部２６を有する楔部本体２２と挿通部２６に挿入される抜け止め体２４とを備えている。楔部本体２２に設けられた挿通部２６は、下端に閉端部３２が形成されるとともに、横架材１２側が開放されている。また、抜け止め体２４は、アンロック状態から下動したロック状態では、挿通部２６の横架材側面、すなわち、第１当接部４２が楔中間面部３０の内周壁の面と閉端部３２とに接拘束される反横架材側の上下の第１当接部４２、第３当接部６２とを有する。また、抜け止め体２４は、ロック状態において、開端３６から突出配置されて、楔部本体２２が嵌合されるブラケット８２の中間面８６に当接拘束される第２当接部４４とを有する。 The present embodiment has the following features.
(1) In the scaffolding member 10 and the connecting structure of the scaffolding member of the present embodiment, the scaffolding member 10 is provided with wedge portions 20A and 20B at both ends of the horizontal member 12. The wedge portions 20A and 20B include a wedge portion main body 22 having an insertion portion 26 formed in the vertical direction and a retaining body 24 inserted into the insertion portion 26. The insertion portion 26 provided in the wedge portion main body 22 has a closed end portion 32 formed at the lower end and the horizontal member 12 side is open. Further, in the locked state in which the retaining body 24 is moved downward from the unlocked state, the side surface of the horizontal member of the insertion portion 26, that is, the first contact portion 42 is the surface of the inner peripheral wall of the wedge intermediate surface portion 30 and the closed end portion. It has upper and lower first contact portions 42 and third contact portions 62 on the anti-horizontal member side that are contact-constrained with 32. Further, the retaining body 24 has a second contact portion 44 that is projected from the open end 36 in the locked state and is contact-restrained to the intermediate surface 86 of the bracket 82 to which the wedge portion main body 22 is fitted. ..

そして、抜け止め体２４の第１当接部４２及び第３当接部６２は、ロック状態から上動したアンロック状態では、拘束が解除可能に配置されている。また、抜け止め体２４の上部において、横架材１２の端部の相対部位には段差部６４を有していて、段差部６４と横架材１２の端部間には、抜け止め体２４を挿通部２６の横架材側面へ常時付勢するバネ部材５２が配置されている。また、バネ部材５２を、足場部材１０の端部に支持するバネ支持部材としてのバネ支持杆５０が配置されている。バネ支持杆５０は、抜け止め体２４に摺接するとともに抜け止め体２４のロック状態からアンロック状態への遷移時に、段差部６４の段差６６に当接する摺接部５０ｂを有している。 The first contact portion 42 and the third contact portion 62 of the retaining body 24 are arranged so that the restraint can be released in the unlocked state when the first contact portion 42 and the third contact portion 62 are moved upward from the locked state. Further, in the upper part of the retaining body 24, a step portion 64 is provided at a relative portion of the end portion of the horizontal member 12, and the retaining body 24 is provided between the step portion 64 and the end portion of the horizontal member 12. A spring member 52 is arranged so as to constantly urge the side surface of the horizontal member of the insertion portion 26. Further, a spring support rod 50 as a spring support member that supports the spring member 52 at the end of the scaffolding member 10 is arranged. The spring support rod 50 has a sliding contact portion 50b that is in sliding contact with the retaining body 24 and is in contact with the step 66 of the step portion 64 at the transition from the locked state to the unlocked state of the retaining body 24.

この結果、足場部材の足場支柱に対する取付け取り外しが繰り返された場合であっても、付勢部材の変形を抑制できる。
（２）また、バネ支持杆５０は、横架材１２の端面に形成された支持部としての支持部材３４に対して、揺動自在に貫通されている。そして、バネ支持杆５０の頭部に摺接部５０ｂが形成されている。この結果、本実施形態によれば、バネ支持杆５０が揺動自在に支持されているため、抜け止め体２４が上動して、段差６６が摺接部５０ｂに衝突した際、バネ支持杆５０が揺動することにより、そのときの衝撃を抑制することができる。 As a result, deformation of the urging member can be suppressed even when the scaffolding member is repeatedly attached to and detached from the scaffolding column.
(2) Further, the spring support rod 50 is swingably penetrated through the support member 34 as the support portion formed on the end surface of the horizontal member 12. A sliding contact portion 50b is formed on the head of the spring support rod 50. As a result, according to the present embodiment, since the spring support rod 50 is swingably supported, when the retaining body 24 moves upward and the step 66 collides with the sliding contact portion 50b, the spring support rod 50 is supported. By swinging the 50, the impact at that time can be suppressed.

（３）本実施形態では、バネ部材はバネ支持杆５０に巻装されたコイルバネとしている。この結果、コイルバネの変形を抑制できる。
（第２実施形態）
次に、第２実施形態を図６（ａ）及び図６（ｂ）を参照して説明する。なお、本実施形態では、前記実施形態の構成中、支持部材３４の構成、並びに、バネ部材５２の構成が異なるだけであるため、前記実施形態と相違する構成について説明し、同一または、相当する構成については、同一符号を付してその詳細な説明を省略する。 (3) In the present embodiment, the spring member is a coil spring wound around the spring support rod 50. As a result, the deformation of the coil spring can be suppressed.
(Second Embodiment)
Next, the second embodiment will be described with reference to FIGS. 6 (a) and 6 (b). In addition, in this embodiment, since the configuration of the support member 34 and the configuration of the spring member 52 are different only in the configuration of the embodiment, a configuration different from the embodiment will be described and the same or equivalent. The same reference numerals are given to the configurations, and detailed description thereof will be omitted.

図６（ａ）、図６（ｂ）に示すように、本実施形態では、支持部材３４は、略平板状をなして、連結筒部４８の端面に固定されている。そして、前記実施形態では、バネ部材５２は、円錐バネとされている。そして、図６（ａ）、図６（ｂ）に示すように、円錐バネの小径側の端部が、摺接部５０ｂに係止され、大径側の端部が支持部材３４に係止されている。このような構成でも、第１実施形態と同様の効果を奏することができる。 As shown in FIGS. 6A and 6B, in the present embodiment, the support member 34 has a substantially flat plate shape and is fixed to the end surface of the connecting cylinder portion 48. Then, in the above-described embodiment, the spring member 52 is a conical spring. Then, as shown in FIGS. 6A and 6B, the small-diameter end of the conical spring is locked to the sliding contact portion 50b, and the large-diameter end is locked to the support member 34. Has been done. Even with such a configuration, the same effect as that of the first embodiment can be obtained.

本実施形態は、以下のように変更して実施することができる。
本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。 This embodiment can be modified and implemented as follows.
The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

・前記実施形態では、足場部材１０は、横架材１２の両端部に楔部２０Ａ、２０Ｂを備えていたが、楔部２０Ａ、２０Ｂのうち、いずれか一方の楔部を省略してもよい。
・前記実施形態では、突起部４０は、上端部５６と一体に形成されているが、突起部４０は、上端部５６と別体に形成して、上端部５６に対してネジ止め、圧入、或いは溶接等により固定するようにしてもよい。 -In the above embodiment, the scaffolding member 10 is provided with wedge portions 20A and 20B at both ends of the horizontal member 12, but one of the wedge portions 20A and 20B may be omitted. ..
-In the above embodiment, the protrusion 40 is formed integrally with the upper end 56, but the protrusion 40 is formed separately from the upper end 56, and is screwed to and press-fitted to the upper end 56. Alternatively, it may be fixed by welding or the like.

・前記実施形態では、バネ部材５２は、コイルバネまたは円錐バネとしたが、これらに限定するものではなく、皿バネ、板バネ等をバネ支持杆５０に貫通配置してもよい。 -In the above embodiment, the spring member 52 is a coil spring or a conical spring, but the spring member 52 is not limited to these, and a disc spring, a leaf spring, or the like may be arranged through the spring support rod 50.

１０…足場部材、１２…横架材、
２０Ａ、２０Ｂ…楔部、２２…楔部本体、２４…抜け止め体、
２４ａ…外側面、２４ｂ…内側面、２６…挿通部、２８…楔側面部、
３０…楔中間面部、３２…閉端部、３４…支持部材
３６…開端、３８…開口部、４０…突起部、４２…第１当接部、
４４…第２当接部、４６…横架材本体、４８…連結筒部、５０…バネ支持杆、
５０ａ…杆部、５０ｂ…摺接部、５２…バネ部材、５４…貫通孔、
５６…上端部、５８…主軸部、６０…下端部、６２…第３当接部、
６４…段差部、６６…段差、８０…足場支柱、８２…ブラケット、
８４…側面、８６…中間面。 10 ... Scaffolding member, 12 ... Horizontal material,
20A, 20B ... Cuneus, 22 ... Cuneus body, 24 ... Retaining body,
24a ... outer surface, 24b ... inner surface, 26 ... insertion part, 28 ... wedge side surface,
30 ... wedge intermediate surface portion, 32 ... closed end portion, 34 ... support member 36 ... open end, 38 ... opening, 40 ... protrusion, 42 ... first contact portion,
44 ... 2nd contact part, 46 ... Horizontal member body, 48 ... Connecting cylinder part, 50 ... Spring support rod,
50a ... rod part, 50b ... sliding contact part, 52 ... spring member, 54 ... through hole,
56 ... upper end, 58 ... spindle, 60 ... lower end, 62 ... third contact,
64 ... Steps, 66 ... Steps, 80 ... Scaffolding columns, 82 ... Brackets,
84 ... side, 86 ... middle.

Claims (4)

横架材の端部に楔部を備え、前記楔部は、上下方向に形成された挿通部を有する楔部本体と、前記挿通部に挿入されて下動した際に前記楔部本体が内嵌した外部部材及び前記楔部本体の両者に対してともに当接係止するロック状態となり、ロック状態から上動した際に、前記楔部本体をアンロック状態とする抜け止め体とを備える足場部材であって、
前記抜け止め体は、前記横架材の端部の相対部位には段差部を有していて、前記段差部と前記横架材の端部間には、前記抜け止め体を前記挿通部の前記横架材側面へ常時付勢するバネ部材が配置されるとともに、前記バネ部材を前記端部に支持するバネ支持部材が配置され、前記バネ支持部材は、前記抜け止め体に摺接するとともに前記抜け止め体のロック状態からアンロック状態への遷移時に、前記段差部の段差に当接する摺接部を有しており、
前記バネ支持部材は、前記横架材の端面に形成された支持部に対して、揺動自在に貫通されたバネ支持杆であり、
前記バネ支持杆の頭部に前記摺接部が形成されている足場部材。 A wedge portion is provided at an end portion of the horizontal member, and the wedge portion includes a wedge portion main body having an insertion portion formed in the vertical direction and the wedge portion main body inside when the wedge portion is inserted into the insertion portion and moves downward. A scaffold provided with a locking body that abuts and locks both the fitted external member and the cuneus body, and unlocks the cuneus body when moving up from the locked state. It ’s a member,
The retaining body has a stepped portion at a relative portion of the end portion of the horizontal member, and the retaining body is inserted between the stepped portion and the end portion of the horizontal member of the insertion portion. A spring member that constantly urges the side surface of the horizontal member is arranged, and a spring support member that supports the spring member at the end portion is arranged, and the spring support member is in sliding contact with the retaining body and said. at the time of transition to the unlock state from the locked state of the stopper body missing, and have a sliding contact portion in contact with the step of the stepped portion,
The spring support member is a spring support rod that swingably penetrates the support portion formed on the end surface of the horizontal member.
A scaffolding member having the sliding contact portion formed on the head of the spring support rod. 前記バネ部材は前記バネ支持杆に巻装されたコイルバネ、円錐バネ、板バネ、または皿バネである請求項１に記載の足場部材。 The scaffolding member according to claim 1 , wherein the spring member is a coil spring, a conical spring, a leaf spring, or a disc spring wound around the spring support rod. 前記抜け止め体は、その上下の部位に前記楔部本体の前記挿通部の反横架材側の面に対して、ロック状態のときに当接する第１当接部及び第３当接部を備え、横架材側の中間部位に前記外部部材に当接する第２当接部を備える請求項１または請求項２に記載の足場部材。 The retaining body has a first contact portion and a third contact portion that come into contact with the surfaces of the wedge portion body on the anti-horizontal member side of the insertion portion at the upper and lower portions thereof in a locked state. The scaffolding member according to claim 1 or 2, further comprising a second contact portion that contacts the external member at an intermediate portion on the horizontal member side. 横架材の端部に楔部を備え、前記楔部は、上下方向に形成された挿通部を有する楔部本体と、前記挿通部に挿入されて下動した際に前記楔部本体が内嵌した外部部材及び前記楔部本体の両者に対してともに当接係止するロック状態となり、ロック状態から上動した際に、前記楔部本体をアンロック状態とする抜け止め体とを備える足場部材と、前記足場部材が、外周面に前記外部部材としての横断面コ字状のブラケット体が設けられた足場支柱に連結されている足場部材の連結構造であって、前記抜け止め体は、前記横架材の端部の相対部位には段差部を有していて、前記段差部と前記横架材の端部間には、前記抜け止め体を前記挿通部の前記横架材側面へ常時付勢するバネ部材が配置されるとともに、前記バネ部材を前記端部に支持するバネ支持部材が配置され、前記バネ支持部材は、前記抜け止め体に摺接するとともに前記抜け止め体のロック状態からアンロック状態への遷移時に、前記段差部の段差に当接する摺接部を有しており、前記バネ支持部材は、前記横架材の端面に形成された支持部に対して、揺動自在に貫通されたバネ支持杆であり、前記バネ支持杆の頭部に前記摺接部が形成されている足場部材の連結構造。 The cuneus portion is provided at the end of the horizontal member, and the cuneus portion has a cuneus portion main body having an insertion portion formed in the vertical direction, and the cuneus portion main body is inside when the cuneus portion main body is inserted into the insertion portion and moves downward. A scaffold provided with a retaining body that locks the fitted external member and the cuneus body in contact with each other and unlocks the cuneus body when the cuneus body moves upward from the locked state. The member and the scaffolding member have a connecting structure of the scaffolding member in which the scaffolding member is connected to a scaffolding column provided with a bracket body having a U-shaped cross section as the external member on the outer peripheral surface, and the retaining body is a retaining body. A step portion is provided at a relative portion of the end portion of the horizontal member, and the retaining body is moved to the side surface of the horizontal member of the insertion portion between the step portion and the end portion of the horizontal member. A spring member that is constantly urged is arranged, and a spring support member that supports the spring member at the end portion is arranged, and the spring support member is in sliding contact with the retaining body and is in a locked state of the retaining body. at the time of transition to the unlock state from the step of the stepped portion and have a sliding contact portion in contact with the spring support member, the supporting part formed on the end surface of the horizontal member, swing A connecting structure of a scaffold member which is a spring-supporting rod that is freely penetrated and has a sliding contact portion formed on the head of the spring-supporting rod.
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JP5264008B1 (en) * 2013-01-31 2013-08-14 日建リース工業株式会社 Connecting device for temporary scaffold
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