JP3700285B2

JP3700285B2 - Stand leg hinge structure

Info

Publication number: JP3700285B2
Application number: JP27102396A
Authority: JP
Inventors: 雅輝伊藤
Original assignee: Matsushita Electric Works Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 1996-10-14
Filing date: 1996-10-14
Publication date: 2005-09-28
Anticipated expiration: 2016-10-14
Also published as: JPH10113264A

Description

【０００１】
【発明の属する技術分野】
この発明は、写真を照らすバックライトとしてのフォトスタンド等に適用されるスタンド脚部のヒンジ構造に関するものである。
【０００２】
【従来の技術】
従来、図９に示すように、スタンド本体１００を一定の角度の立ち姿勢に支持するため、スタンド本体１００の裏面の差込み孔１０７に支持脚１０３を差し込むようにしたものがあった。
これに対して、従来図７に示すように、スタンド本体１００の裏面の支持脚取付部１０１の軸孔１０２と、支持脚１０３の軸孔１０６とを合わせ、これらにヒンジピン１０４を挿着し、支持脚１０３を起倒可能にしたものがあった。支持脚１０３の起立姿勢は当接面１０５で支持される。
【０００３】
図８に示す従来例も図７の構成とほぼ同様であり、共通部分に同一符号を付している。
【０００４】
【発明が解決しようとする課題】
しかし、支持脚１０３が起倒可能な従来例は、スタンド本体１００を支持する角度以上に支持脚１０３を広げる方向に大きい加重が加わると支持脚１０３が破壊するおそれがあった。またヒンジピン１０４のように締結部品を有するため部品点数が多くなりかつ金属部品を必要とするものが多い。
【０００５】
したがって、この発明の目的は、支持脚に開く加重が加わっても構成部品が破壊するのを防止することができるスタンド脚部のヒンジ構造を提供することである。
【０００６】
【課題を解決するための手段】
請求項１のスタンド脚部のヒンジ構造は、スタンド本体と、このスタンド本体の裏面に回動可能に取付けられて前記スタンド本体を所定の立ち姿勢に支持する支持脚とを備えたスタンド脚部のヒンジ構造であって、
前記スタンド本体は、裏面に立設されて相対向する弾性の一対の立上り部を有するとともに、前記一対の立上り部の先端部に相接近する爪部を有し、
前記支持脚は、前記一対の立上り部間に前記爪部の間を通して回転可能に挟持された軸を基端部に有するとともに、前記スタンド本体を前記所定の立ち姿勢に支持する際に前記スタンド本体と前記支持脚とがなす角度で前記スタンド本体の裏面に当接する当接部を前記基端部に有し、さらに前記角度以上に前記支持脚を回動するときに前記スタンド本体の裏面に支持される支点となって前記軸を前記爪部間から外す支点部を前記当接部に隣接して有することを特徴とするものである。
【０００７】
請求項１のスタンド脚部のヒンジ構造によれば、支持脚をスタンド本体の裏面に倒した状態から軸を中心に支持脚を回動して支持脚を起こし、当接部がスタンド本体の裏面に当接すると支持脚の回動が停止し、スタンド本体は支持脚により所定の姿勢に支持される。この支持脚を開く方向に支持脚にさらに加重が加わると、支持脚の支点部が支点として支持脚が回動し立上り部の弾性変形により軸が一対の立上り部の爪部から抜き出され、支持脚がスタンドから外れる。
【０００８】
この場合、支持脚に開く加重が加わっても支持脚がスタンド本体より離脱することができるので構成部品を破壊することのを防止することができる。また従来例と比較して部品点数を少なくすることができ、さらに樹脂弾性を利用して成形部品のみで形成することができ、軸を立上り部間に押し込むだけで支持脚を容易に取付けることができる。
【０００９】
請求項２のスタンド脚部のヒンジ構造は、請求項１において、前記軸が多角形であり、前記支持脚が倒れた状態で前記立上り部に挟持される前記軸の対向面間距離をｃとし、前記支持脚が起きた状態で前記立上り部に挟持される前記軸の対向面間距離をｄとし、かつ前記立上り部の基部間隔をｆとすると、ｃ＜ｄ≦ｆとしたものである。
【００１０】
請求項２のスタンド脚部のヒンジ構造によれば、請求項１の効果のほか、取付け状態での成形部品のクリープ変形を防ぎ、所定の保持力を維持でき、スタンド本体の立ち姿勢を支持脚の軸でも保持固定するとともに、支持脚のスタンド本体への取付けが容易で離脱を困難にすることができる。
【００１１】
【発明の実施の形態】
この発明の一実施の形態を図１ないし図６により説明する。すなわち、このフォトスタンドのスタンド脚部のヒンジ構造は、スタンド本体１と、支持脚２とを有しする。
スタンド本体１は、裏面に立設されて相対向する一対の弾性の立上り部３を有するとともに、一対の立上り部３の先端部に相接近する爪部４を有する。実施の形態のスタンド本体１は、額縁形状の口の字形をなす照明器具の合成樹脂製の器具本体であり、図３に示すように中央の開口に導光板９を保持し、一辺部の裏面に側面を入射面とし正面を出射面とした導光板８に光を入射する直管ランプ（図示せず）を配置し、さらに他辺部に直管ランプを点灯する点灯装置（図示せず）を配設している。そして、スタンド本体１の裏面は合成樹脂製の裏カバー１０により被覆し、裏カバー１０の略中央位置に一対の立上り部３と別の一対の立上り部３を並べて設けている。また立上り部３の相対向する垂直面３ａとこの垂直面３ａに連続する爪部４の下側の傾斜面１１は垂直面３ａに対して角度θ₀＝１３５度の傾斜角をなし、爪部４の上側にも傾斜面１１と対称に傾斜して軸５を嵌合する際のガイト面１２となしている。１３は立上り部３の一方に一体に設けた突起、１４は立上り部３の他方の近傍に立設した突起である。
【００１２】
支持脚２は、スタンド本体１の裏面に回動可能に取付けられてスタンド本体１を所定の立ち姿勢に支持するものである。一対の立上り部３の爪部４の間を通して回転可能に挟持された軸５を基端部に有するとともに、スタンド本体１を所定の立ち姿勢に支持する際にスタンド本体１と支持脚２とがなす角度でスタンド本体１の裏面に当接する当接部８を基端部に有し、さらにその角度以上に支持脚２を回動するときにスタンド本体１の裏面に支持される支点となって軸５を爪部４間から外す支点部７を当接部８に隣接して有する。
【００１３】
実施の形態の支持脚２は略矩形状であり、基端部の端縁の幅方向の両端にそれぞれ凹部２１を形成し、凹部２１にそれぞれ立上り部３に挟持される軸５を設けている。これらの軸５は断面多角形とくに断面八角形をなしており、その内角θ₀は１３５度であるので、図１の（ｃ），（ｄ）のように軸５が立上り部３に位置したとき、垂直面３ａと傾斜面１１が面接触する。
【００１４】
また軸５の図２に示すように支持脚２が倒れた状態での立上り部３に挟持される対向面間距離ｃは、立上り部３の基部間距離ｆよりも小さく、爪部４の相互間隔ｅよりも大きく、すなわちｅ＜ｃ＜ｆとして、軸５を抜止めしている。また図１（ｄ）に示すように支持脚２が起きた状態での立上り部３に挟持される対向面間距離ｄを、ｃ＜ｄ≦ｆとして、軸５を立上り部３間に嵌めやすいが外れにくくしている。このように、断面８角形の軸５が立上り部３間に挟持されるように断続的に回転するので、支持脚２はスタンド本体１に倒れた状態と起きた状態との間をクリック動作する。
【００１５】
また、図２の軸５の中心５ａから裏カバー１０の裏面までの距離ｂよりも、支持脚２の基端部の当接面８の後端８ａと軸５の中心５ａとの間の距離ａを、ｂ＞ａとして、軸５の回転により後端８ａが裏カバー１０に当たらないようにしている。なお支持脚２の倒伏状態では突起１３が嵌合する凹部１５を支持脚２に形成するとともに、軸５が立上り部３の垂直面３ａと傾斜面１１とに接触するように凸部１６を支持脚２に設けている。
【００１６】
一方、支持脚３を起こした状態で当接部８が裏カバー１０の表面に当接するとともに突起１４が係合する傾斜面１７を支持脚２の厚さ方向の対称な位置に対称な形状に形成している。当接部８の傾斜角θ′は軸５の隣接する表面の一方の延長面となす角θ＝４５度と等しく、このため支持脚２の開き角が約４５度となる。１８は当接部８の一部と傾斜面１７との間の連接面であり、傾斜面１７と連接面１８との間および連接面１８と当接部８の表面との間がそれぞれ略１３５度の角度をなして軸５の外形に沿うようにしている。
【００１７】
また支持脚２が外れるときには支点部７が裏カバー１０に支持されて支点部７を支点に支持脚２が回動するが、このために軸５の中心５ａから支点部７の支点位置までの支持脚２の長手方向の寸法ｈを立上り部３の高さｇよりも大きくしている。
さらに支持脚２の起倒方向は図６に示すように長方形状のスタンド本体１の裏面の裏カバー１０の略中央部からコーナ方向であり、支持脚２の床に接する先端は図４に示す横立ち姿勢で傾斜面２０が床面に当接し、図５に示す縦立ち姿勢で傾斜面１９が床面に当接するように、傾斜面１９，２０を形成している。当接部８の傾斜各θ′は軸の隣接角θと等しくしている。
【００１８】
またａ＞ｂとし、支持脚の先端部が当接面が収納状態から支持状態への以降途中でスタンド本体の裏面に干渉しない傾斜面としている。
またｃ＜ｄ≦ｆとして、いれやすく外れにくくしている。
さらに支持脚２は約４５度開くことができる。
図１（ａ）は支持脚２を裏カバー１０に取付ける前の状態である。支持脚２を取付けるときは図１（ａ）のように支持脚２をスタンド１の裏カバー１０に平行に配置し、軸５を立上り部３間に押し込む。このとき図１（ｂ）のように軸５がガイド面１２に当たって立上り部３が開くように弾性変形し、図１（ｃ）のように入り込むと立上り部３が復帰して爪部４により軸５を抜止めする。これが取付け状態の完了であり、同時に図２および図６にも示す支持脚２は倒伏姿勢となる。図１（ｄ）は支持脚２を開いた状態であり、図３ないし図５の状態である。この場合、軸５が約４５度回動し多角形の隣接面が立上り部３の垂直面３ａに挟持されるようにクリック動作し保持固定され、このとき軸５の対向面間隔ｃ＜ｄとしているので、支持脚２の起こしを重く支持脚２の倒れが軽くなる。また当接部８で支持されて支持脚２が位置決めされる。なお、突起１４が傾斜面１７に接近ないし当接する。さらに図１（ｅ）から図１（ｆ）は支持脚２を開く方向にさらに加重を加えた状態であり、支点部７が裏カバー１０に支点となって支持されて軸５が立上り部１３の爪部４から押し出され、図１（ｇ）のように支持脚２が立上り部３から外れる。
【００１９】
この実施の形態によれば、支持脚２をスタンド本体１の裏面に倒した状態から軸５を中心に支持脚２を回動して支持脚２を起こし、当接部８がスタンド本体１の裏面に当接すると支持脚２の回動が停止し、スタンド本体１は支持脚２により所定の姿勢に支持される。この支持脚２を開く方向に支持脚２にさらに加重が加わると、支持脚２の支点部７が支点として支持脚２が回動し立上り部の弾性変形により軸５が一対の立上り部３の爪部４から抜き出され、支持脚２がスタンドから外れる。
【００２０】
この場合、支持脚２に開く加重が加わっても支持脚２がスタンド本体１より離脱することができるので構成部品を破壊することのを防止することができる。また従来例と比較して部品点数を少なくすることができ、さらに樹脂弾性を利用して成形部品のみで形成することができ、軸５を立上り部３間に押し込むだけで支持脚２を容易に取付けることができる。
【００２１】
また取付け状態での成形部品のクリープ変形を防ぎ、所定の保持力を維持でき、スタンド本体１の立ち姿勢を支持脚２の軸５でも保持固定するとともに、支持脚２のスタンド本体１への取付けが容易で離脱を困難にすることができる。
なお、この発明のスタンド本体１は照明器具の器具本体に限らない。また凸部１６を除いて、支持脚２が倒れた状態で軸５を爪部４より裏カバー１０よりに位置させることができるようにし、支持脚２が起きた状態で当接部８が裏カバー１０に当接し軸５は爪部４に当接するものでもよい。
【００２２】
【発明の効果】
請求項１のスタンド脚部のヒンジ構造によれば、支持脚をスタンド本体の裏面に倒した状態から軸を中心に支持脚を回動して支持脚を起こし、当接部がスタンド本体の裏面に当接すると支持脚の回動が停止し、スタンド本体は支持脚により所定の姿勢に支持される。この支持脚を開く方向に支持脚にさらに加重が加わると、支持脚の支点部が支点として支持脚が回動し立上り部の弾性変形により軸が一対の立上り部の爪部から抜き出され、支持脚がスタンドから外れる。
【００２３】
この場合、支持脚に開く加重が加わっても支持脚がスタンド本体より離脱することができるので構成部品を破壊することのを防止することができる。また従来例と比較して部品点数を少なくすることができ、さらに樹脂弾性を利用して成形部品のみで形成することができ、軸を立上り部間に押し込むだけで支持脚を容易に取付けることができる。
【００２４】
請求項２のスタンド脚部のヒンジ構造によれば、請求項１の効果のほか、取付け状態での成形部品のクリープ変形を防ぎ、所定の保持力を維持でき、スタンド本体の立ち姿勢を支持脚の軸でも保持固定するとともに、支持脚のスタンド本体への取付けが容易で離脱を困難にすることができる。
【図面の簡単な説明】
【図１】この発明の一実施の形態の動作説明図である。
【図２】支持脚の倒れた状態の軸部分の拡大図である。
【図３】フォトスタンドを示す外観斜視図である。
【図４】フォトスタンドを横に立てた姿勢の裏側から見た斜視図である。
【図５】フォトスタンドを縦に立てた姿勢の裏側から見た斜視図である。
【図６】支持脚を倒した状態のフォトスタンドを裏側から見た斜視図である。
【図７】従来例の部分斜視図である。
【図８】他の従来例の部分斜視図である。
【図９】さらに他の従来例の部分斜視図である。
【符号の説明】
１スタンド本体
２支持脚
３立上り部
４爪部
６軸
７支点部
８当接部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hinge structure of a stand leg applied to a photo stand or the like as a backlight for illuminating a photograph.
[0002]
[Prior art]
Conventionally, as shown in FIG. 9, in order to support the stand main body 100 in a standing posture at a constant angle, there has been one in which support legs 103 are inserted into the insertion holes 107 on the back surface of the stand main body 100.
On the other hand, as shown in FIG. 7, the shaft hole 102 of the support leg mounting portion 101 on the back surface of the stand body 100 and the shaft hole 106 of the support leg 103 are aligned, and the hinge pin 104 is inserted and attached thereto. There was one that made the support leg 103 tiltable. The standing posture of the support leg 103 is supported by the contact surface 105.
[0003]
The conventional example shown in FIG. 8 is substantially the same as the configuration of FIG. 7, and the same reference numerals are given to the common parts.
[0004]
[Problems to be solved by the invention]
However, in the conventional example in which the support leg 103 can be tilted, there is a risk that the support leg 103 may be broken if a large load is applied in a direction in which the support leg 103 is expanded beyond the angle at which the stand body 100 is supported. Further, since there are fastening parts like the hinge pin 104, the number of parts is large and many metal parts are required.
[0005]
Accordingly, an object of the present invention is to provide a hinge structure for a stand leg portion that can prevent a component from being broken even when a load applied to the support leg is applied.
[0006]
[Means for Solving the Problems]
The hinge structure of the stand leg part according to claim 1 is a stand leg part comprising a stand main body and a support leg that is rotatably attached to the back surface of the stand main body and supports the stand main body in a predetermined standing posture. A hinge structure,
The stand main body has a pair of elastic rising portions that are erected on the back surface and face each other, and has a claw portion that approaches the tip portions of the pair of rising portions,
The support leg has a shaft that is rotatably held between the pair of rising portions between the claw portions, and has a base end portion that supports the stand body in the predetermined standing posture. And a support portion that contacts the back surface of the stand body at an angle formed by the support leg, and is supported on the back surface of the stand body when the support leg is rotated more than the angle. The fulcrum part which becomes the fulcrum to be removed and removes the shaft from between the claw parts is provided adjacent to the contact part.
[0007]
According to the hinge structure of the stand leg portion according to claim 1, the support leg is rotated about the shaft from the state where the support leg is tilted to the back surface of the stand body, and the contact portion is the back surface of the stand body. When the contact is made, the support leg stops rotating, and the stand body is supported by the support leg in a predetermined posture. When further weight is applied to the support leg in the direction of opening the support leg, the support leg rotates with the fulcrum part of the support leg as a fulcrum, and the shaft is extracted from the claw part of the pair of rising parts by elastic deformation of the rising part, Support legs come off the stand.
[0008]
In this case, even if a load applied to the support legs is applied, the support legs can be detached from the stand main body, so that the components can be prevented from being destroyed. In addition, the number of parts can be reduced compared to the conventional example, and further, it can be formed with only molded parts using resin elasticity, and the support legs can be easily attached by simply pushing the shaft between the rising parts. it can.
[0009]
The hinge structure of the stand leg part according to claim 2 is characterized in that, in claim 1, the shaft is polygonal, and the distance between the opposing surfaces of the shaft held by the rising part in a state where the support leg is tilted is c. C <d ≦ f, where d is the distance between the opposed surfaces of the shaft held by the rising portion when the support leg is raised, and f is the base interval of the rising portion.
[0010]
According to the hinge structure of the stand leg portion of claim 2, in addition to the effect of claim 1, the creep deformation of the molded part in the attached state can be prevented, and a predetermined holding force can be maintained, and the stand posture of the stand body can be maintained. This shaft can also be held and fixed, and it is easy to attach the support leg to the stand body, making it difficult to remove.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. That is, the hinge structure of the stand leg portion of the photo stand has a stand body 1 and a support leg 2.
The stand main body 1 has a pair of elastic rising portions 3 that are erected on the back surface and face each other, and a claw portion 4 that is close to the distal ends of the pair of rising portions 3. The stand main body 1 according to the embodiment is a synthetic resin fixture main body of a lighting fixture having a frame-shaped mouth shape, and holds a light guide plate 9 in a central opening as shown in FIG. A straight tube lamp (not shown) for making light incident on the light guide plate 8 with the side surface as the incident surface and the front surface as the emission surface is disposed, and a lighting device (not shown) for lighting the straight tube lamp on the other side. Is arranged. The back surface of the stand body 1 is covered with a back cover 10 made of synthetic resin, and a pair of rising portions 3 and another pair of rising portions 3 are provided side by side at a substantially central position of the back cover 10. Further, the vertical surface 3a facing each other of the rising portion 3 and the inclined surface 11 below the claw portion 4 continuous to the vertical surface 3a form an inclination angle of θ ₀ = 135 degrees with respect to the vertical surface 3a. 4 is also formed as a guide surface 12 when the shaft 5 is fitted to be inclined symmetrically with the inclined surface 11. Reference numeral 13 denotes a protrusion integrally provided on one side of the rising portion 3, and reference numeral 14 denotes a protrusion provided in the vicinity of the other side of the rising portion 3.
[0012]
The support leg 2 is rotatably attached to the back surface of the stand body 1 and supports the stand body 1 in a predetermined standing posture. The base 5 has a shaft 5 that is rotatably held between the claw portions 4 of the pair of rising portions 3, and the stand main body 1 and the support legs 2 are used when the stand main body 1 is supported in a predetermined standing posture. It has a contact portion 8 that contacts the back surface of the stand body 1 at an angle formed at the base end portion, and further serves as a fulcrum that is supported on the back surface of the stand body 1 when the support leg 2 is rotated more than that angle. A fulcrum part 7 for removing the shaft 5 from between the claw parts 4 is provided adjacent to the contact part 8.
[0013]
The support legs 2 according to the embodiment have a substantially rectangular shape, and are formed with recesses 21 at both ends in the width direction of the edge of the base end, and shafts 5 that are sandwiched between the rising portions 3 are respectively provided in the recesses 21. . These shafts 5 have a polygonal cross section, particularly an octagonal cross section, and the internal angle θ ₀ is 135 degrees, so that the shaft 5 is positioned at the rising portion 3 as shown in FIGS. When the vertical surface 3a and the inclined surface 11 come into surface contact.
[0014]
Further, as shown in FIG. 2 of the shaft 5, the distance c between the opposed surfaces sandwiched by the rising portion 3 in a state where the support leg 2 is tilted is smaller than the distance f between the base portions of the rising portion 3. The shaft 5 is prevented from being pulled out by setting it to be larger than the interval e, that is, e <c <f. Further, as shown in FIG. 1 (d), the distance d between the opposed surfaces held by the rising portion 3 in the state where the support leg 2 is raised is set as c <d ≦ f, and the shaft 5 is easily fitted between the rising portions 3. Is difficult to come off. Thus, since the shaft 5 having an octagonal cross section is intermittently rotated so as to be sandwiched between the rising portions 3, the support leg 2 performs a click operation between a state where the support leg 2 has fallen on the stand body 1 and a state where it has occurred. .
[0015]
Further, the distance between the rear end 8a of the contact surface 8 of the base end portion of the support leg 2 and the center 5a of the shaft 5 is larger than the distance b from the center 5a of the shaft 5 to the back surface of the back cover 10 in FIG. a is set as b> a so that the rear end 8 a does not hit the back cover 10 by the rotation of the shaft 5. In addition, when the support leg 2 is in the lying down state, the concave portion 15 into which the protrusion 13 is fitted is formed in the support leg 2 and the convex portion 16 is supported so that the shaft 5 is in contact with the vertical surface 3 a and the inclined surface 11 of the rising portion 3. It is provided on the leg 2.
[0016]
On the other hand, the abutting portion 8 abuts on the surface of the back cover 10 in the state where the support leg 3 is raised, and the inclined surface 17 with which the protrusion 14 engages has a symmetrical shape at a symmetrical position in the thickness direction of the support leg 2. Forming. The inclination angle θ ′ of the contact portion 8 is equal to the angle θ = 45 degrees formed with one extension surface of the adjacent surface of the shaft 5, and therefore the opening angle of the support leg 2 is about 45 degrees. Reference numeral 18 denotes a connecting surface between a part of the contact portion 8 and the inclined surface 17, and the space between the inclined surface 17 and the connecting surface 18 and between the connecting surface 18 and the surface of the contacting portion 8 is approximately 135. An angle of degrees is formed so as to follow the outer shape of the shaft 5.
[0017]
Further, when the support leg 2 is detached, the fulcrum part 7 is supported by the back cover 10 and the support leg 2 is rotated with the fulcrum part 7 as a fulcrum. For this reason, from the center 5 a of the shaft 5 to the fulcrum position of the fulcrum part 7. The dimension h in the longitudinal direction of the support leg 2 is made larger than the height g of the rising portion 3.
Further, as shown in FIG. 6, the support leg 2 is tilted in the corner direction from the substantially central portion of the back cover 10 on the back surface of the rectangular stand body 1, and the tip of the support leg 2 in contact with the floor is shown in FIG. The inclined surfaces 19 and 20 are formed so that the inclined surface 20 contacts the floor surface in the standing posture and the inclined surface 19 contacts the floor surface in the vertical posture shown in FIG. Each inclination θ ′ of the contact portion 8 is equal to the adjacent angle θ of the shaft.
[0018]
Further, a> b is assumed, and the tip end portion of the support leg is an inclined surface that does not interfere with the back surface of the stand body in the middle of the contact surface from the housed state to the support state.
Further, c <d ≦ f is set so that it is easy to enter and difficult to come off.
Furthermore, the support leg 2 can be opened about 45 degrees.
FIG. 1A shows a state before the support leg 2 is attached to the back cover 10. When attaching the support leg 2, the support leg 2 is arranged in parallel to the back cover 10 of the stand 1 as shown in FIG. 1A, and the shaft 5 is pushed between the rising portions 3. At this time, as shown in FIG. 1B, the shaft 5 hits the guide surface 12 and is elastically deformed so that the rising portion 3 opens. When the shaft 5 enters as shown in FIG. 5 is secured. This is the completion of the attached state, and at the same time, the support leg 2 shown in FIGS. 2 and 6 is in a lying posture. FIG. 1 (d) shows a state in which the support leg 2 is opened, and is in the state shown in FIGS. In this case, the shaft 5 rotates about 45 degrees and the polygonal adjacent surface is clicked and held and fixed so as to be sandwiched between the vertical surfaces 3 a of the rising portion 3. As a result, the support leg 2 is raised and the fall of the support leg 2 is lightened. Further, the support leg 2 is positioned by being supported by the contact portion 8. The protrusion 14 approaches or abuts the inclined surface 17. Further, FIGS. 1 (e) to 1 (f) show a state in which a load is further applied in the direction of opening the support leg 2, and the fulcrum portion 7 is supported by the back cover 10 as a fulcrum, and the shaft 5 is raised. The support leg 2 is detached from the rising portion 3 as shown in FIG.
[0019]
According to this embodiment, the support leg 2 is rotated around the shaft 5 from the state where the support leg 2 is tilted to the back surface of the stand body 1 to raise the support leg 2, and the contact portion 8 is When it comes into contact with the back surface, the support leg 2 stops rotating, and the stand body 1 is supported by the support leg 2 in a predetermined posture. When a further load is applied to the support leg 2 in the direction of opening the support leg 2, the support leg 2 rotates with the fulcrum part 7 of the support leg 2 as a fulcrum, and the shaft 5 forms a pair of rising parts 3 by elastic deformation of the rising part. The support leg 2 is removed from the stand by being extracted from the claw portion 4.
[0020]
In this case, since the supporting leg 2 can be detached from the stand main body 1 even when a load applied to the supporting leg 2 is applied, it is possible to prevent the components from being destroyed. In addition, the number of parts can be reduced as compared with the conventional example, and further, it can be formed with only molded parts using resin elasticity, and the support leg 2 can be easily formed by simply pushing the shaft 5 between the rising portions 3. Can be installed.
[0021]
Further, creep deformation of the molded part in the attached state can be prevented, and a predetermined holding force can be maintained, and the stand posture of the stand body 1 is held and fixed by the shaft 5 of the support leg 2 and the support leg 2 is attached to the stand body 1. Is easy and can be difficult to remove.
In addition, the stand main body 1 of this invention is not restricted to the fixture main body of a lighting fixture. Further, the shaft 5 can be positioned closer to the back cover 10 than the claw portion 4 when the support leg 2 is tilted except for the convex portion 16, and the contact portion 8 is back when the support leg 2 is raised. The shaft 5 may be in contact with the cover 10 while contacting the cover 10.
[0022]
【The invention's effect】
According to the hinge structure of the stand leg portion according to claim 1, the support leg is rotated about the shaft from the state where the support leg is tilted to the back surface of the stand body, and the contact portion is the back surface of the stand body. When the contact is made, the support leg stops rotating, and the stand body is supported by the support leg in a predetermined posture. When further weight is applied to the support leg in the direction of opening the support leg, the support leg rotates with the fulcrum part of the support leg as a fulcrum, and the shaft is extracted from the claw part of the pair of rising parts by elastic deformation of the rising part, Support legs come off the stand.
[0023]
In this case, even if a load applied to the support legs is applied, the support legs can be detached from the stand main body, so that the components can be prevented from being destroyed. In addition, the number of parts can be reduced compared to the conventional example, and further, it can be formed with only molded parts using resin elasticity, and the support legs can be easily attached by simply pushing the shaft between the rising parts. it can.
[0024]
According to the hinge structure of the stand leg portion of claim 2, in addition to the effect of claim 1, the creep deformation of the molded part in the attached state can be prevented, and a predetermined holding force can be maintained, and the stand posture of the stand body can be maintained. This shaft can also be held and fixed, and it is easy to attach the support leg to the stand body, making it difficult to remove.
[Brief description of the drawings]
FIG. 1 is an operation explanatory diagram of one embodiment of the present invention.
FIG. 2 is an enlarged view of a shaft portion in a state in which a support leg is tilted.
FIG. 3 is an external perspective view showing a photo stand.
FIG. 4 is a perspective view seen from the back side in a posture in which a photo stand is laid sideways.
FIG. 5 is a perspective view of the photo stand as viewed from the back side in a vertical position.
FIG. 6 is a perspective view of the photo stand in a state in which the support leg is tilted, as viewed from the back side.
FIG. 7 is a partial perspective view of a conventional example.
FIG. 8 is a partial perspective view of another conventional example.
FIG. 9 is a partial perspective view of still another conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Stand main body 2 Support leg 3 Rising part 4 Claw part 6 Axis 7 Supporting point part 8 Contact part

Claims

A stand leg hinge structure comprising a stand main body and a support leg rotatably attached to the back surface of the stand main body and supporting the stand main body in a predetermined standing posture,
The stand main body has a pair of elastic rising portions that are erected on the back surface and face each other, and has a claw portion that approaches the tip portions of the pair of rising portions,
The support leg has a shaft that is rotatably held between the pair of rising portions between the claw portions, and has a base end portion that supports the stand main body in the predetermined standing posture. And a support portion that contacts the back surface of the stand body at an angle formed by the support leg, and is supported on the back surface of the stand body when the support leg is rotated more than the angle. A hinge structure for a stand leg portion, which has a fulcrum portion adjacent to the abutting portion that serves as a fulcrum to remove the shaft from between the claw portions.

The shaft is polygonal, and the distance between the opposed surfaces of the shaft held by the rising portion when the support leg is tilted is c, and the shaft held by the rising portion is raised when the support leg is raised. The hinge structure of a stand leg part according to claim 1, wherein c <d≤f, where d is a distance between opposing surfaces of the shaft and f is a base interval between the rising parts.