JP2600599B2 - Rotating blackboard fixing device - Google Patents
Rotating blackboard fixing deviceInfo
- Publication number
- JP2600599B2 JP2600599B2 JP31855893A JP31855893A JP2600599B2 JP 2600599 B2 JP2600599 B2 JP 2600599B2 JP 31855893 A JP31855893 A JP 31855893A JP 31855893 A JP31855893 A JP 31855893A JP 2600599 B2 JP2600599 B2 JP 2600599B2
- Authority
- JP
- Japan
- Prior art keywords
- rotating blackboard
- operating body
- grip
- wall
- stopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、水平軸周りに反転自在
に枢支された回転黒板の固定装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for fixing a rotating blackboard pivotally supported around a horizontal axis.
【0002】[0002]
【従来の技術】回転黒板は、一対の支柱の間を梁で連結
して支持台を構成し、その支持体の支柱間に水平軸を介
して枢支されているのが一般的である。そして、水平軸
を支点に適宜反転させて所望の面を前面側に位置づけ、
その回転黒板を固定装置によって固定した後、マーカー
やチョーク等を使用してその面を活用するようにしてい
る。2. Description of the Related Art In general, a rotating chalkboard forms a support by connecting a pair of columns with beams, and is pivotally supported between the columns of the support via a horizontal axis. Then, the desired surface is positioned on the front side by appropriately reversing the horizontal axis as a fulcrum,
After the rotating blackboard is fixed by a fixing device, the surface is utilized using a marker, chalk, or the like.
【0003】[0003]
【発明が解決しようとする課題】ところで、従前の固定
装置は、図19に示すように、支柱aの外壁a1 と内壁
a2 の間にナット部材bを固設し、このナット部材bに
外壁a1 から挿入したグリップcのねじ部dを進退可能
に螺合させておくとともに、前記支柱aの内壁a2 にア
ームeを介してストッパfを回動可能に枢着し、前記グ
リップcを操作して先端でストッパfの後端を押圧し、
その結果、ストッパfを回転黒板gの側枠hの外面に当
接させ固定するようにしている。[SUMMARY OF THE INVENTION Incidentally, the conventional fixing device, as shown in FIG. 19, the nut member b fixedly between the outer wall a 1 and the inner wall a 2 posts a, the nut member b together keep the threaded portion d of the insertion grip c from the outer wall a 1 allowed movably screwed, pivotally mounted a stopper f rotatably via an arm e on an inner wall a 2 of the strut a, the grip c And press the rear end of the stopper f with the front end,
As a result, the stopper f is brought into contact with and fixed to the outer surface of the side frame h of the rotating blackboard g.
【0004】ところが、このような構成では、ストッパ
fがアームeの枢着点e1 を中心に移動して回転黒板g
の側枠hに対し斜め方向から片当たりすることになる。
そのため、回転黒板gに対して十分な保持力を作用させ
難く、使用中に黒板gが不慮に回転する等の不都合が生
じ易い。そこで、従来ではグリップcを非常に大きな操
作力で締め込み、先端が黒板gに当接した反力で梁iお
よび両側の支柱aからなる支持台全体を平行四辺形状に
変形させ、グリップcと反対側にある図示されない支柱
aをも回転黒板gの側枠hに無理やり当接させて回転黒
板gに対する保持力を高めるという不適正な使用態様が
採られていることが多い。However, in such a configuration, the stopper f moves around the pivot point e 1 of the arm e to rotate the blackboard g.
The side frame h from the oblique direction.
For this reason, it is difficult to apply a sufficient holding force to the rotating blackboard g, and the blackboard g is likely to be inadvertently rotated during use. Therefore, conventionally, the grip c is tightened with a very large operating force, and the entire support base including the beam i and the pillars a on both sides is deformed into a parallelogram by the reaction force whose tip abuts the blackboard g. In many cases, an improper usage mode is adopted in which a support a (not shown) on the opposite side is forcibly brought into contact with the side frame h of the rotating blackboard g to increase the holding force on the rotating blackboard g.
【0005】そこで、近時の固定装置には、支柱の内壁
に設けた孔に水平軸方向に移動可能で且つ回転不能な状
態でストッパを嵌装しておき、このストッパに前記グリ
ップの先端を係合させるようにした構成も考えられてい
る。このような構成を採用すれば、少なくともストッパ
は回転黒板の側枠の外面に対して垂直に当接するため、
大きな摩擦面積が確保され、有効な保持力を作用させる
ことが可能になる。Therefore, in recent years, a stopper is fitted in a hole provided in the inner wall of the column so that the stopper is movable in the horizontal axis direction and cannot rotate, and the tip of the grip is fitted to the stopper. A configuration in which the engagement is performed is also considered. If such a configuration is adopted, at least the stopper abuts vertically on the outer surface of the side frame of the rotating blackboard,
A large friction area is secured, and an effective holding force can be applied.
【0006】しかし、このような構成によっても、グリ
ップが螺進退するため、操作性が悪く、軸が孔に対して
突没することで指や服の巻き込み、埃等の付着による操
作抵抗の増大等の不都合を招き易いという問題がある。
また、支柱内部にナットを溶接しなければならないた
め、製作が煩雑でコスト高につながり易いといった問題
も抱えている。このような課題は図19に示した従前の
ものにおいても同様に言えることである。However, even with such a configuration, the grip is screwed forward and backward, so that the operability is poor, and the shaft protrudes and retracts from the hole, so that the operation resistance increases due to the entanglement of fingers and clothes and adhesion of dust and the like. There is a problem that such inconveniences are easily caused.
Further, since the nut must be welded to the inside of the support, there is a problem that the production is complicated and the cost is easily increased. Such a problem can be similarly applied to the conventional one shown in FIG.
【0007】本発明は、このような課題に着目してなさ
れたものであって、回転黒板に適切な保持力を作用させ
ることができ、しかも操作性が良好であり、その上製作
も簡略に行い得る実用性に富んだ回転黒板の固定装置を
提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and is capable of applying an appropriate holding force to a rotating blackboard, has good operability, and is simple to manufacture. It is an object of the present invention to provide a practically useful fixing device for a rotating blackboard.
【0008】[0008]
【課題を解決するための手段】本発明は、かかる目的を
達成するために、次のような構成を採用したものであ
る。In order to achieve the above object, the present invention employs the following configuration.
【0009】すなわち、本発明に係る回転黒板の固定装
置は、梁を介して相互に鉛直姿勢で連結された支柱の間
に、水平軸を介して枢支されてなる回転黒板に対して、
少なくとも一方の支柱の外壁に設けた孔に回転自在で且
つ水平軸方向移動不能に嵌装され基端にグリップが形成
された操作体と、前記支柱の内壁に設けた孔に回転不能
で且つ水平軸方向移動自在に嵌装され先端に回転黒板の
側枠の外面に対して垂直に対峙するストッパが形成され
た作動体とを具備してなり、作動体の基端を操作体の先
端に螺合進退可能に連結してなることを特徴とする。In other words, the rotating blackboard fixing device according to the present invention provides a rotating blackboard pivotally supported via a horizontal axis between columns that are connected to each other in a vertical posture via a beam.
An operating body which is rotatably fitted in a hole provided in an outer wall of at least one of the columns and is formed so as to be immovable in the horizontal axis direction and has a grip formed at a base end; An actuating body which is fitted movably in the axial direction and has a stopper formed at the tip thereof, which is vertically opposed to the outer surface of the side frame of the rotating blackboard, wherein the base end of the actuating body is screwed to the tip of the operating body. It is characterized by being connected so that it can enter and retreat.
【0010】回転黒板を左右から固定したい場合に、こ
のような固定装置を左右一対に設けずに済ませる態様と
しては、他方の支柱の内壁であって前記ストッパに対応
する位置に、回転黒板の側枠の外面に近接して対峙する
固定ストッパを配置しておくことが有効となる。When the rotating blackboard is to be fixed from the left and right, such a fixing device does not need to be provided in a pair of right and left. As an embodiment, the side of the rotating blackboard which is located on the inner wall of the other column and corresponding to the stopper is provided. It is effective to dispose a fixed stopper facing the outer surface of the frame.
【0011】操作体を、回転自在で且つ水平軸方向移動
不能に取り付けるためには、操作体の外周に凹溝を周設
し、その凹溝に、支柱の外壁の外面に固定したプレート
の先端を係合させておくことが簡便である。In order to mount the operating body so as to be rotatable and immovable in the horizontal axis direction, a concave groove is provided on the outer periphery of the operating body, and the concave groove is provided in the concave groove at the tip of a plate fixed to the outer surface of the outer wall of the column. It is convenient to engage with.
【0012】操作体に簡単に凹溝を形成するためには、
操作体を、グリップと、このグリップよりも先端側の支
軸部とを連結した構成とし、グリップと支軸部との突き
合わせ隙間に前記凹溝を形成することが有効となる。In order to easily form a groove in the operating body,
It is effective that the operating body has a configuration in which the grip is connected to a spindle portion on the distal end side of the grip, and the concave groove is formed in a gap between the grip and the spindle portion.
【0013】作動体を、回転不能で且つ水平軸方向移動
自在に取り付けるためには、作動体の外周と支柱の内壁
の孔とを、互いに緊密に嵌合し合う多角形状のものにし
ておくことが有効となる。In order to mount the operating body so as to be non-rotatable and free to move in the horizontal axis direction, the outer periphery of the operating body and the hole in the inner wall of the column must have a polygonal shape that fits tightly with each other. Becomes effective.
【0014】操作体の先端と作動体の基端とを螺合進退
可能に連結するためには、操作体の先端に雄ねじを形成
し、作動体の基端に前記雄ねじに螺合する雌ねじを形成
する態様や、操作体の先端に雌ねじを形成し、作動体の
基端に前記雌ねじに螺合する雄ねじを形成する態様など
が考えられる。In order to connect the distal end of the operating body and the proximal end of the operating body so that they can be screwed forward and backward, a male screw is formed at the distal end of the operating body, and a female screw engaged with the male screw is provided at the proximal end of the operating body. An embodiment in which a female screw is formed at the distal end of the operating body and a male screw that is screwed into the female screw at the base end of the operating body may be considered.
【0015】[0015]
【作用】このような構成のものであれば、グリップを把
持して回転操作したとき、操作体が同一軸心位置で回転
し、この操作体の先端に螺合した作動体は、操作体のね
じ送り作用によって水平軸方向に進退動作し、回転黒板
の側枠の外面に対して垂直にストッパを接離させること
になる。すなわち、本発明においては、グリップは同一
軸心位置で回転するのみであって、軸心方向へ進退動作
を行うことがなく、さらにストッパが回転黒板に対して
垂直に当接して有効な保持力を作用させ得るものとな
る。そのため、操作性が良好となり、比較的小さな操作
力で回転黒板の固定を効果的に行い得るとともに、支軸
部が孔に対して突没しないため、指や服の巻き込み、埃
等の侵入による操作抵抗の増大等も防止できるものとな
る。With such a construction, when the grip is gripped and rotated, the operating body rotates at the same axial position, and the operating body screwed to the tip of the operating body is Due to the screw feed action, the stopper moves forward and backward in the horizontal axis direction, so that the stopper is vertically moved toward and away from the outer surface of the side frame of the rotating blackboard. That is, in the present invention, the grip only rotates at the same axis position, does not perform the reciprocating operation in the axial direction, and furthermore, the stopper abuts perpendicularly to the rotating blackboard to provide an effective holding force. Can act. Therefore, the operability is improved, and the rotating blackboard can be effectively fixed with a relatively small operation force. In addition, since the support shaft does not protrude and retract with respect to the hole, fingers or clothes may be caught, and dust or the like may enter. An increase in operation resistance can be prevented.
【0016】ストッパに対応する位置に固定ストッパを
配置したものにおいては、グリップ操作によりストッパ
が回転黒板の側枠の外面に当接した際の反力で固定スト
ッパと回転黒板の側枠の外面との距離が狭まり、その際
に回転黒板に固定ストッパが当接することになり、簡単
な構成で回転黒板を左右から固定できるものとなる。な
お、操作体をグリップと支軸部とから構成し、それらグ
リップ及び支軸部を支柱外壁に設けた孔を介して内外か
ら挾み込むようにして連結すれば、溶接等を行う事なく
操作体を簡単に支柱に取り付けることができる。In the case where the fixed stopper is disposed at a position corresponding to the stopper, the fixed stopper and the outer surface of the side frame of the rotating blackboard are caused by a reaction force when the stopper comes into contact with the outer surface of the side frame of the rotating blackboard by the grip operation. In this case, the fixed stopper comes into contact with the rotating blackboard, so that the rotating blackboard can be fixed from the left and right with a simple configuration. In addition, if the operating body is composed of a grip and a spindle, and the grip and the spindle are connected so as to be sandwiched from inside and outside through holes provided in the outer wall of the column, the operating body can be connected without welding. It can be easily attached to a support.
【0017】また、操作体の外周に凹溝を周設し、その
凹溝に、支柱の外壁の外面に固設したプレートの先端を
係合させるようにした場合にも、支柱内部への溶接作業
が不要となり、組み立てが格段に簡易化される。この場
合、プレートを支柱に取り付けても、プレートの肉厚相
当分が支柱から突出するだけであるから、嵩張るような
こともない。Also, when a concave groove is provided on the outer periphery of the operating body and the tip of a plate fixed to the outer surface of the outer wall of the column is engaged with the concave groove, welding to the inside of the column is also possible. Work is not required, and assembly is significantly simplified. In this case, even if the plate is attached to the support, only the thickness corresponding to the thickness of the plate protrudes from the support, so that the plate does not become bulky.
【0018】[0018]
【実施例】以下、本発明の一実施例を、図1〜図15を
参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.
【0019】この実施例の固定装置1が適用される回転
黒板2は、図1〜図3に示すように、正面視H形の支持
台3に枢支されてなる。支持台3は、鉛直に起立した支
柱31の間を梁32を介して相互に連結し、支柱31の
下端部に脚33を取着したものであって、梁32の上方
に粉受け34を架設している。The rotating blackboard 2 to which the fixing device 1 of this embodiment is applied is, as shown in FIGS. 1 to 3, pivotally supported by an H-shaped support base 3 as viewed from the front. The support 3 is configured such that the columns 31 standing vertically are connected to each other via a beam 32, and a leg 33 is attached to the lower end of the column 31, and a powder receiver 34 is provided above the beam 32. It is erected.
【0020】回転黒板2は、前記両支柱31の幅寸法よ
りも若干狭小な幅寸法のもので、面板21の四辺が上枠
22、下枠23および左右の側枠24で補強されてい
る。そして、この回転黒板2を前記支持台3の支柱31
間に配設し、左右の側枠24の中間位置をそれぞれ対応
する前記支柱31に水平軸mを介して回動可能に枢支さ
せている。The rotating blackboard 2 has a width slightly smaller than the width of the columns 31. The four sides of the face plate 21 are reinforced by an upper frame 22, a lower frame 23 and left and right side frames 24. Then, the rotating blackboard 2 is mounted on the support 31 of the support 3.
The intermediate position of the left and right side frames 24 is rotatably supported by the corresponding columns 31 via a horizontal axis m.
【0021】このような構成の回転黒板2に対して、本
実施例に係る回転黒板の固定装置1は、図4に示すよう
に、正面視右側の支柱31の外壁31aに設けた丸孔3
1bに回転自在で且つ水平軸方向移動不能に嵌装される
操作体4と、この支柱31の内壁31cに設けた8角形
の孔31dに回転不能で且つ水平軸方向移動自在に嵌装
される作動体5とにより構成されている。In contrast to the rotating blackboard 2 having such a configuration, the rotating blackboard fixing device 1 according to the present embodiment is, as shown in FIG. 4, a circular hole 3 provided in an outer wall 31a of a right column 31 in a front view.
An operating body 4 that is rotatably fitted to 1b so as to be non-movable in the horizontal axis direction and an octagonal hole 31d provided in the inner wall 31c of the column 31 is non-rotatably fitted to be movable in the horizontal axis direction. And an operating body 5.
【0022】詳述すると、操作体4は、図5〜図8に示
すグリップ41と、図9〜図11に示す支軸部42とを
連結したものである。グリップ41は、内面側に、中空
で外周が4角形をなす突部41aと、この突部41aを
包囲する筒部41bとが突設されている。一方の支軸部
42には、前記グリップ41の突部41aの内周に緊密
に嵌合する角柱部42aと、その嵌合深さを規制する小
径な鍔部42bと、この鍔部42bに隣接する大径な鍔
部42cとが形成されているとともに、その鍔部42c
よりも先端側に雄ねじ部42dが刻設されている。そし
て、図15に示すように、支軸部42を内壁31cの孔
31dを介して支柱31の内部に挿入し、その大径な鍔
部42cを外壁31aの内面に添設するとともに、その
位置で外壁31aの孔31bから支柱31外に延出させ
た角柱部42aに接着剤を塗布して前記グリップ41の
突部41aを嵌合させている。なお、この状態におい
て、小径な鍔部42bの軸方向寸法は支柱31の肉厚寸
法に略一致している。More specifically, the operating body 4 is formed by connecting a grip 41 shown in FIGS. 5 to 8 and a spindle 42 shown in FIGS. 9 to 11. The grip 41 has, on the inner surface side, a projection 41a having a hollow outer periphery and a quadrangular shape, and a cylindrical portion 41b surrounding the projection 41a. One of the support shaft portions 42 has a prismatic portion 42a tightly fitted to the inner periphery of the protrusion 41a of the grip 41, a small-diameter flange portion 42b for regulating the fitting depth, and a flange portion 42b. An adjacent large-diameter flange portion 42c is formed, and the flange portion 42c is formed.
A male screw portion 42d is engraved on the distal end side. Then, as shown in FIG. 15, the support shaft 42 is inserted into the inside of the support 31 through the hole 31d of the inner wall 31c, and the large-diameter flange 42c is attached to the inner surface of the outer wall 31a. Then, an adhesive is applied to the prism 42a extending from the hole 31b of the outer wall 31a to the outside of the support 31 to fit the protrusion 41a of the grip 41. In this state, the axial dimension of the small-diameter flange 42b substantially matches the thickness of the support 31.
【0023】作動体5は、図12〜図14に示すよう
に、基端に8角形をなす突部51を形成し、その突部5
1内に、前記支軸部42の雄ねじ部42dに螺合する雌
ねじ部51aを刻設するとともに、先端に回転黒板3の
側枠31に当接するストッパ52を形成している。この
ストッパ52は、左右側縁52aが中央部52bよりも
若干隆起していて、側枠31に前後からいだくようにし
て当接するようになっている。As shown in FIGS. 12 to 14, the operating body 5 has an octagonal projection 51 formed at the base end thereof.
1, a female screw portion 51a screwed into the male screw portion 42d of the support shaft portion 42 is formed, and a stopper 52 is formed at the tip to be in contact with the side frame 31 of the rotating blackboard 3. The left and right side edges 52a of the stopper 52 are slightly raised from the central portion 52b, and come into contact with the side frame 31 from front and rear.
【0024】そして、図15に示すように、この作動体
5を前記支柱31の内壁31cに設けた孔31dに対峙
する位置に位置づけ、次に前記操作体4のグリップ41
を回転操作して雄ねじ部42dに雌ねじ部51aを螺合
させた後、さらにその螺合を深め、その時のねじ送り作
用によって前記作動体5の突部51を孔31dを介して
支柱31の内部に嵌装している。Then, as shown in FIG. 15, the operating body 5 is positioned at a position facing the hole 31d provided in the inner wall 31c of the column 31, and then the grip 41 of the operating body 4 is moved.
After the female screw portion 51a is screwed into the male screw portion 42d by rotating the screw, the screwing is further deepened, and the projecting portion 51 of the operating body 5 is inserted through the hole 31d through the hole 31d by the screw feeding action at that time. It is fitted in.
【0025】なお、図1に示すように、正面視左側の支
柱31の内壁31cであって前記ストッパ52に対応す
る位置には、回転黒板2の側枠24の外面に近接して対
峙する固定ストッパ6が配置してある。As shown in FIG. 1, at the position corresponding to the stopper 52 on the inner wall 31c of the column 31 on the left side as viewed from the front, a fixing member which is in close proximity to the outer surface of the side frame 24 of the rotating blackboard 2 is opposed. A stopper 6 is provided.
【0026】このような構成のものであれば、図15に
示すように、グリップ41を把持して図中矢印Aに示す
ように回転操作したとき、操作体4全体は鍔部42bの
前後にある鍔部42cおよび筒部41bによって孔31
bからの抜け止めが図られた状態下に同一軸心位置で回
転し、この操作体4の先端に螺合した作動体5は、雄ね
じ部42dと雌ねじ部51aとの間に営まれるねじ送り
作用によって同図中矢印Bで示すように水平軸方向に進
退動作し、回転黒板2の側枠24の外面に対して垂直に
ストッパ52を接離させることになる。このように、本
実施例においては、グリップ41が同一軸心位置を保っ
て回転し、軸心方向へ進退動作を行うことなく、回転黒
板2に対して垂直に当接して有効な保持力を作用させる
ものである。そのため、操作性が良好となり、比較的小
さな操作力で効果的に回転黒板2の固定を行い得るもの
となり、また、支軸部42dが孔31bに対して突没し
ないため、指や服の巻き込み、埃等の侵入による操作抵
抗の増大等も防止されるものとなる。With such a configuration, when the grip 41 is gripped and rotated as shown by the arrow A in the figure as shown in FIG. 15, the entire operation body 4 moves forward and backward of the flange 42b. The hole 31 is formed by a certain flange 42c and the cylindrical portion 41b.
The operating body 5 which is rotated at the same axial center position in a state where it is prevented from falling out of the operating member b and is screwed to the tip of the operating body 4 is fed between the male screw part 42d and the female screw part 51a. By the action, as shown by the arrow B in the figure, the stopper 52 moves forward and backward in the horizontal axis direction, and vertically moves the stopper 52 toward and away from the outer surface of the side frame 24 of the rotating blackboard 2. As described above, in the present embodiment, the grip 41 rotates while maintaining the same axial position, and does not perform an advancing / retreating operation in the axial direction, and abuts the rotating blackboard 2 perpendicularly to provide an effective holding force. It works. Therefore, the operability is improved, and the rotating blackboard 2 can be effectively fixed with a relatively small operation force. In addition, since the support shaft 42d does not protrude and retract with respect to the hole 31b, a finger or clothes may be entangled. Also, an increase in operation resistance due to intrusion of dust and the like can be prevented.
【0027】しかも、本実施例では、ストッパ52に対
応する位置に固定ストッパ6を配置しているため、グリ
ップ41の操作を通じてストッパ52を回転黒板2の側
枠24の外面に当接させた際の反力で固定ストッパ5と
回転黒板2の側枠24の外面との距離を狭め、回転黒板
2に固定ストッパ5を当接させることができる。このた
め、簡単な構成で、回転黒板2を左右から固定できるも
のとなる。Further, in this embodiment, since the fixed stopper 6 is disposed at a position corresponding to the stopper 52, when the stopper 52 is brought into contact with the outer surface of the side frame 24 of the rotating blackboard 2 through the operation of the grip 41. With this reaction force, the distance between the fixed stopper 5 and the outer surface of the side frame 24 of the rotating blackboard 2 can be reduced, and the fixed stopper 5 can be brought into contact with the rotating blackboard 2. Therefore, the rotating blackboard 2 can be fixed from the left and right with a simple configuration.
【0028】その上、操作体4をグリップ41と支軸部
42とから構成し、それらを支柱外壁31aの孔31b
を介して相互に接着しているだけであるから、溶接作業
等を必要とせず、極めて取り付けの簡単なものとなる。In addition, the operating body 4 is composed of a grip 41 and a support shaft 42, which are connected to the holes 31b of the support outer wall 31a.
Since they are merely adhered to each other via a wire, no welding work or the like is required, and the mounting is extremely simple.
【0029】なお、本発明は上述した実施例のみに限定
されるものではない。例えば、図16〜図18に示すよ
うに、前記グリップ41と前記支軸部42との突き合わ
せ隙間において前記鍔部42bの外周に凹溝4aが形成
されるため、操作体4の支軸部42を前記支柱31の外
壁31aに設けた孔31bに挿通し、その状態で前記凹
溝4aに、プレートたるグリップホルダ43の先端43
aを係合させるようにしてもよい。このグリップホルダ
43は、基端43bに穿設した孔43cを介して支柱3
1の外壁31aにボルト等により固定されるものであ
る。そのため、支柱内部へのナット部材の溶接作業等が
不要となり、組み立てが格段に簡易化される点で上記実
施例と同等の効果を奏する。この場合、グリップホルダ
43を支柱31の外壁31aに取り付けても、プレート
の肉厚相当分が支柱31から突出するだけであるから、
嵩張るようなこともない。また、前記実施例では操作体
4側に雄ねじ部を設け、作動体5側に雌ねじ部を設けた
が、その逆の構成、すなわち、操作体4側に雌ねじ部を
設け、作動体5側に雄ねじ部を設ける構成によってもよ
い。さらに、前記実施例では操作体4がグリップ41と
支軸部42とを接着して構成されているが、一体的に成
形しても勿論構わない。また、前記実施例では固定スト
ッパ6を併用しているが、基本的構成としては必ずしも
必須のものではない。しかし、固定ストッパ6を設ける
ことで、回転黒板2を左右からバランスよく固定できる
効果は得られる。回転黒板が重厚なものである場合に
は、本発明の固定装置を一対に設ける構成も当然に考え
られる。さらにまた、操作体4を回転自在で且つ水平軸
方向移動不能に取り付ける構成や、作動体5を回転不能
で且つ水平軸移動自在に取り付ける構成等も、上記実施
例に限定されず、本発明の趣旨を逸脱しない範囲で種々
変形が可能である。The present invention is not limited only to the above-described embodiment. For example, as shown in FIGS. 16 to 18, since the concave groove 4 a is formed on the outer periphery of the flange portion 42 b in the gap between the grip 41 and the support shaft portion 42, the support shaft portion 42 of the operating body 4 is formed. Through the hole 31b provided in the outer wall 31a of the support column 31, and in this state, the front end 43 of the plate-like grip holder 43 is inserted into the concave groove 4a.
a may be engaged. The grip holder 43 is attached to the column 3 through a hole 43c formed in the base end 43b.
1 is fixed to the outer wall 31a by bolts or the like. Therefore, there is no need to weld the nut member to the inside of the column, and the effect similar to that of the above-described embodiment is obtained in that the assembly is significantly simplified. In this case, even if the grip holder 43 is attached to the outer wall 31a of the column 31, only the thickness equivalent of the plate protrudes from the column 31.
There is no bulk. In the above embodiment, the male screw portion is provided on the operation body 4 side and the female screw portion is provided on the operation body 5 side. However, the reverse configuration, that is, the female screw portion is provided on the operation body 4 side and the operation body 5 side is provided. A configuration in which an external thread portion is provided may be used. Further, in the above-described embodiment, the operating body 4 is configured by bonding the grip 41 and the support shaft 42, but may be formed integrally. In the above embodiment, the fixed stopper 6 is also used, but the basic configuration is not always essential. However, by providing the fixing stopper 6, an effect that the rotating blackboard 2 can be fixed in a balanced manner from the left and right can be obtained. When the rotating blackboard is heavy, a configuration in which the fixing device of the present invention is provided in a pair can be naturally considered. Furthermore, the configuration in which the operating body 4 is rotatably mounted so as not to be movable in the horizontal axis direction, and the configuration in which the operating body 5 is non-rotatably mounted so as to be movable in the horizontal axis direction are not limited to the above-described embodiments. Various modifications are possible without departing from the spirit.
【0030】[0030]
【発明の効果】本発明に係る回転黒板の固定装置は、以
上説明したように、支柱の外壁側にグリップを有する操
作体を回転自在で且つ水平軸方向移動不能に取り付ける
とともに、支柱の内壁側にストッパを有する作動体を回
転不能で且つ水平軸方向移動自在に取り付け、作動体の
基端を操作体の先端に螺合進退可能に連結したものであ
る。そのため、ストッパは常に回転黒板の側枠の外面に
対して垂直に突没動作を行い、有効な摩擦面積下に外面
に当接するため、グリップ操作力を有効に回転黒板の固
定力に変換することができる。従って、良好な操作性と
適正な使用状態が確保される効果がある。また、このよ
うな効果に加えて、グリップは常に同一軸心位置で回転
し、支柱の外壁に対して進退することがないため、操作
性が更に良好となり、支軸部が支柱に対して突没しない
ため指や衣服の巻き込み、埃の侵入による操作抵抗の増
大等を招く不具合も解消できる効果がある。As described above, the rotating blackboard fixing device according to the present invention mounts the operating body having the grip on the outer wall side of the column so as to be rotatable and immovable in the horizontal axis direction, and at the inner wall side of the column. An operating body having a stopper is mounted so as to be non-rotatable and movable in the horizontal axis direction, and a base end of the operating body is connected to a distal end of the operating body so as to be able to advance and retreat. For this reason, the stopper always moves vertically to the outer surface of the side frame of the rotating blackboard, and abuts the outer surface under an effective friction area, so that the grip operation force is effectively converted to the fixing force of the rotating blackboard. Can be. Therefore, there is an effect that good operability and an appropriate use state are ensured. In addition to this effect, the grip always rotates at the same axis position and does not move back and forth with respect to the outer wall of the column, so that the operability is further improved and the column portion projects from the column. Since it does not sink, there is an effect that it is possible to eliminate a problem that a finger or clothes are entangled and operation resistance is increased due to intrusion of dust.
【0031】一方、前記ストッパの対向位置に固定スト
ッパを配置したものにおいては、グリップの操作力を利
用して回転黒板を左右両側から固定できることになり、
固定時のバランス状態が良好なものとなる。On the other hand, in the case where the fixed stopper is arranged at a position facing the stopper, the rotating blackboard can be fixed from both right and left sides by using the operating force of the grip.
The balance when fixed is good.
【0032】また、操作体を、グリップと支軸部とから
構成して両者を支柱の外壁に設けた孔を介して相互に連
結したり、凹溝とプレートとの係合を通じて支柱の外壁
に固定したり、作動体および支柱の孔を互いに密接に嵌
合する多角形状のものにした場合には、操作体および作
動体を所期の作動が得られる状態で極めて簡略に取り付
け得るものとなる。The operating body is composed of a grip and a support shaft, and both are connected to each other through a hole provided in the outer wall of the support, or are connected to the outer wall of the support through engagement of the groove and the plate. In the case of fixing or the polygonal shape in which the hole of the operating body and the column are closely fitted to each other, the operating body and the operating body can be attached very easily in a state where the desired operation can be obtained. .
【図1】本発明の一実施例を示し、固定装置を適用した
回転黒板の正面図。FIG. 1 is a front view of a rotating blackboard to which an embodiment of the present invention is applied, to which a fixing device is applied.
【図2】図1の平面図。FIG. 2 is a plan view of FIG. 1;
【図3】図1の右側面図。FIG. 3 is a right side view of FIG. 1;
【図4】同実施例の固定装置を示す分解斜視図。FIG. 4 is an exploded perspective view showing the fixing device of the embodiment.
【図5】同実施例で操作体を構成するグリップを示す正
面図。FIG. 5 is a front view showing a grip constituting the operating body in the embodiment.
【図6】同左側面図。FIG. 6 is a left side view of the same.
【図7】同背面図。FIG. 7 is a rear view of the same.
【図8】図7におけるVIII-VIII 線断面図。FIG. 8 is a sectional view taken along line VIII-VIII in FIG. 7;
【図9】同実施例で作動体を構成する支軸部を示す正面
図。FIG. 9 is a front view showing a spindle portion constituting the operating body in the embodiment.
【図10】同平面図。FIG. 10 is a plan view of the same.
【図11】同背面図。FIG. 11 is a rear view of the same.
【図12】同実施例の操作体を示す正面図。FIG. 12 is a front view showing the operating body of the embodiment.
【図13】同平面図。FIG. 13 is a plan view of the same.
【図14】同右側面図。FIG. 14 is a right side view of the same.
【図15】同実施例の固定装置を組み立てた状態を示す
部分平断面図。FIG. 15 is a partial plan sectional view showing a state where the fixing device of the embodiment is assembled.
【図16】本発明の他の実施例を示す図4に対応した斜
視図。FIG. 16 is a perspective view corresponding to FIG. 4, showing another embodiment of the present invention.
【図17】同実施例において固定装置を組み立てた状態
を示す図15に対応した断面図。FIG. 17 is a sectional view corresponding to FIG. 15 and showing a state where the fixing device is assembled in the embodiment.
【図18】図17におけるXVIII-XVIII 線断面図。18 is a sectional view taken along line XVIII-XVIII in FIG.
【図19】従来例を示す説明図。FIG. 19 is an explanatory view showing a conventional example.
m…水平軸 2…回転黒板 4…操作体 4a…凹溝 5…作動体 6…固定ストッパ 31…支柱 31a…外壁 31b…孔 31c…内壁 31d…孔 32…梁 41…グリップ 42…支軸部 43…プレート(グリップホルダ) 43a…先端 52…ストッパ m ... horizontal axis 2 ... rotating blackboard 4 ... operating body 4a ... concave groove 5 ... operating body 6 ... fixed stopper 31 ... pillar 31a ... outer wall 31b ... hole 31c ... inner wall 31d ... hole 32 ... beam 41 ... grip 42 ... spindle part 43: Plate (grip holder) 43a: Tip 52: Stopper
Claims (5)
柱の間に、水平軸を介して枢支されてなる回転黒板に適
用されるものであって、 少なくとも一方の支柱の外壁に設けた孔に回転自在で且
つ水平軸方向移動不能に嵌装され基端にグリップが形成
された操作体と、前記支柱の内壁に設けた孔に回転不能
で且つ水平軸方向移動自在に嵌装され先端に回転黒板の
側枠の外面に垂直に対峙するストッパが形成された作動
体とを具備してなり、作動体の基端を操作体の先端に螺
合進退可能に連結してなることを特徴とする回転黒板の
固定装置。The present invention is applied to a rotating blackboard pivotally supported via a horizontal axis between columns which are connected to each other in a vertical posture via a beam, and is attached to an outer wall of at least one of the columns. An operating body fitted in the hole provided so as to be rotatable and immovable in the horizontal axis direction, and having a grip formed at the base end; and a non-rotatable and movable in the horizontal axis direction fitted in a hole provided in the inner wall of the support post And a working body having a stopper formed at the tip thereof, which vertically faces the outer surface of the side frame of the rotating blackboard, and the base end of the working body is connected to the tip of the operating body so as to be able to advance and retreat. A rotating blackboard fixing device.
対応する位置に、回転黒板の側枠の外面に近接して対峙
する固定ストッパを配置してなることを特徴とする請求
項1記載の回転黒板の固定装置。2. A fixed stopper facing the outer surface of a side frame of the rotating blackboard is disposed at a position on the inner wall of the other column corresponding to the stopper. Rotating blackboard fixing device.
に、支柱の外壁の外面に固定したプレートの先端を係合
させていることを特徴とする請求項1又は2記載の回転
黒板の固定装置。3. The operation body according to claim 1, wherein a concave groove is provided around the outer periphery of the operating body, and the distal end of a plate fixed to the outer surface of the outer wall of the column is engaged with the concave groove. Rotating blackboard fixing device.
も先端側の支軸部とを連結したものであり、凹溝がグリ
ップと支軸部との突き合わせ隙間に形成されていること
を特徴とする請求項3記載の回転黒板の固定装置。4. An operation body, wherein a grip is connected to a spindle portion on the distal end side of the grip, and a concave groove is formed in a gap between the grip and the spindle portion. The fixing device for a rotating blackboard according to claim 3.
に緊密に嵌合し合う多角形状のものにしていることを特
徴とする請求項1又は2記載の回転黒板の固定装置。5. The rotating blackboard fixing device according to claim 1, wherein the outer periphery of the operating body and the hole in the inner wall of the column are formed in a polygonal shape which fits tightly with each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31855893A JP2600599B2 (en) | 1993-12-17 | 1993-12-17 | Rotating blackboard fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31855893A JP2600599B2 (en) | 1993-12-17 | 1993-12-17 | Rotating blackboard fixing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07172097A JPH07172097A (en) | 1995-07-11 |
JP2600599B2 true JP2600599B2 (en) | 1997-04-16 |
Family
ID=18100474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31855893A Expired - Fee Related JP2600599B2 (en) | 1993-12-17 | 1993-12-17 | Rotating blackboard fixing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2600599B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106183555A (en) * | 2016-08-25 | 2016-12-07 | 叶芳 | A kind of Simple detachable formula manually regulates blackboard device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2363292B1 (en) * | 2011-06-21 | 2012-05-23 | Rocada, S.L. | BOARD OF DEMONSTRATION. |
CN213365910U (en) * | 2020-11-25 | 2021-06-04 | 苏州德斯米尔智能科技有限公司 | Auxiliary assembly for electrician teaching |
-
1993
- 1993-12-17 JP JP31855893A patent/JP2600599B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106183555A (en) * | 2016-08-25 | 2016-12-07 | 叶芳 | A kind of Simple detachable formula manually regulates blackboard device |
Also Published As
Publication number | Publication date |
---|---|
JPH07172097A (en) | 1995-07-11 |
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