JP5005721B2 - Display board mounting structure - Google Patents

Display board mounting structure Download PDF

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JP5005721B2
JP5005721B2 JP2009069291A JP2009069291A JP5005721B2 JP 5005721 B2 JP5005721 B2 JP 5005721B2 JP 2009069291 A JP2009069291 A JP 2009069291A JP 2009069291 A JP2009069291 A JP 2009069291A JP 5005721 B2 JP5005721 B2 JP 5005721B2
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screw
mounting
display plate
base plate
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JP2010224073A (en
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實 坂上
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株式会社朝日堂
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Description

本発明は、アクリル樹脂材その他の合成樹脂製の表示板を金属薄板からなる取付台板に所定間隔を隔てて取付け固定する表示板の取付け構造に関するものである。   The present invention relates to a display plate mounting structure for mounting and fixing a display plate made of an acrylic resin material or other synthetic resin to a mounting base plate made of a thin metal plate at a predetermined interval.

例えば、アクリル樹脂材の透明板の裏面に氏名などをレーザ加工により彫刻して、彫刻した凹部に塗料を塗布して表札とし、該表札を金属薄板（ステンレス鋼板）の取付台板に所定間隔（約１０ｍｍ）を隔てて取付け固定したものは知られている。このような表札は、取付台板を門柱、扉板、壁板等に接着して使用されるものである。   For example, the back surface of an acrylic resin material transparent plate is engraved with a name or the like by laser processing, and paint is applied to the engraved recesses to form a nameplate. What is attached and fixed about 10 mm apart is known. Such a nameplate is used by adhering a mounting base plate to a gate pillar, a door plate, a wall plate or the like.

このような表札（表示板）を金属薄板からなる取付台板に所定間隔を隔てて取付け固定する手段として、表示板と取付台板との間にスペーサを設け、該スペーサを介してボルト、ナット等のねじ金具により取付け固定する構造が採用されている。しかし、従来の取付け構造では、スペーサを含めて取付金具の部品点数が多く、取付け作業に手間を要するのみならず、コスト高になっていた。また、部品点数が多いために各部品間にがた付きを生じ易いという問題があった。さらに、取付台板の裏面に取付金具の一部分が突出して、該取付台板の接着作業に支障を来たすという不都合もあった。   As means for attaching and fixing such a nameplate (display plate) to a mounting plate made of a thin metal plate at a predetermined interval, a spacer is provided between the display plate and the mounting plate, and bolts and nuts are provided via the spacer. A structure for mounting and fixing with a screw fitting such as is adopted. However, in the conventional mounting structure, the number of parts of the mounting bracket including the spacer is large, and not only labor is required for mounting work but also the cost is high. Moreover, since there are many parts, there existed a problem that it was easy to produce rattling between each part. Furthermore, a part of the mounting bracket protrudes from the back surface of the mounting base plate, which causes an inconvenience in the bonding work of the mounting base plate.

本発明の課題は、上記従来の問題点を解決したもので、部品点数が少なく、表示板を取付台板に所定間隔を隔てて強固に、かつ容易に固定保持させることができる表示板の取付け構造を提供することにある。   An object of the present invention is to solve the above-mentioned conventional problems, and is to attach a display plate that has a small number of parts and can be firmly and easily fixed and held on a mounting base plate at a predetermined interval. To provide a structure.

上記の課題を達成するために、本発明は、合成樹脂製の表示板を金属薄板からなる取付台板に所定間隔を隔てて、取付け固定する表示板の取付け構造であって、前記所定間隔に等しい高さを有する円筒状のスペーサ胴部の上端に、該スペーサ胴部より小径の案内支持部が突設され、該案内支持部の外側の前記スペーサ胴部の上端面に係止段部が形成されており、かつ、中心部分にねじ孔が貫通して設けられていると共に、前記スペーサ胴部の下端面部分に大径の凹部が設けられている本体金具と、前記取付台板に設けた取付孔に挿通し、前記スペーサ胴部の下端側から前記ねじ孔に螺合して、前記取付台板に前記本体金具を固定保持する皿ねじと、前記表示板に設けた支持孔を前記案内支持部に嵌め合わせて前記表示板を前記係止段部に係止させた状態で、前記案内支持部の上端側から前記ねじ孔に螺合してその頭部で前記表示板を押圧して前記本体金具に固定保持する固定ねじとから成り、前記取付台板に設ける前記取付孔は、前記皿ねじの皿頭の外径より僅かに小径で、かつ、その内周面が前記皿頭の傾斜側面とほぼ同一の傾斜角を有するテーパ面に形成されていて、前記取付孔に挿通した前記皿ねじを前記ねじ孔に螺合して締め付けたとき、前記皿頭が前記取付孔の前記テーパ面に押圧すると共に、前記本体金具の前記凹部に沈み込み、該皿頭の表面が前記取付台板の裏面とほぼ面一になった姿勢で前記本体金具を前記取付台板に固定保持する構成とし、一方、前記案内支持部の高さは、前記表示板の厚みより低く設定されていて、前記固定ねじを前記案内支持部の上端側から前記ねじ孔に螺合して締め付けたとき、該固定ねじの前記頭部で前記表示板の表面を押圧し、前記本体金具の前記係止段部とで前記表示板を挟み付けるように固定保持する構成とすることを特徴とする。   In order to achieve the above object, the present invention provides a display plate mounting structure for mounting and fixing a synthetic resin display plate to a mounting base plate made of a thin metal plate at a predetermined interval. A guide support portion having a diameter smaller than that of the spacer body is protruded from the upper end of a cylindrical spacer body having the same height, and a locking step is provided on the upper end surface of the spacer body outside the guide support. A main body metal fitting that is formed and has a screw hole penetrating through the central portion and having a large-diameter recess in the lower end surface portion of the spacer body, and provided in the mounting base plate. Through the mounting hole, screwed into the screw hole from the lower end side of the spacer body, and fixedly holding the main body metal fitting on the mounting base plate, and a support hole provided in the display plate The display plate is locked to the locking step by fitting with the guide support. The fixing support plate includes a fixing screw that is screwed into the screw hole from the upper end side of the guide support portion and presses the display plate with its head to fix and hold the main body bracket. The mounting hole to be provided is formed in a tapered surface having a slightly smaller diameter than the outer diameter of the countersunk head of the countersunk screw, and an inner peripheral surface thereof having substantially the same inclination angle as the inclined side surface of the countersunk head, When the countersunk screw inserted into the mounting hole is screwed into the screw hole and tightened, the countersunk head presses against the tapered surface of the mounting hole and sinks into the recess of the main body fitting, The main body bracket is fixedly held on the mounting base plate in a posture in which the surface of the head is substantially flush with the back surface of the mounting base plate, while the height of the guide support portion is the thickness of the display plate It is set lower, and the fixing screw is placed on the upper end side of the guide support part. When screwed into the screw hole and tightened, the head of the fixing screw is pressed against the surface of the display plate, and the display plate is fixed and held so as to be sandwiched between the locking step of the main body metal fitting. It is set as the structure to carry out.

前記スペーサ胴部の下端面部分に設ける前記凹部は、前記皿ねじの皿頭の外径より大径で、かつ、前記皿頭の傾斜側面とほぼ同一の傾斜角を有する円錐状凹部を座ぐり加工することにより形成される。   The concave portion provided in the lower end surface portion of the spacer body portion is a counterbore of a conical concave portion having a larger diameter than the outer diameter of the countersunk head of the countersunk screw and having substantially the same inclination angle as the inclined side surface of the countersunk head. It is formed by processing.

前記表示板は、具体的にはアクリル樹脂材の透明板で構成される。   Specifically, the display board is made of an acrylic resin transparent plate.

前記取付台板は、具体的にはステンレス鋼板の薄板で構成される。   Specifically, the mounting base plate is constituted by a thin plate of a stainless steel plate.

また、前記固定ねじの前記頭部は、前記表示板の表面に突出するので、装飾機能を有する形状とすることが望ましい。   Moreover, since the head of the fixing screw protrudes from the surface of the display board, it is desirable to have a shape having a decorative function.

以上説明したように。本発明の取付け構造は、前記表示板と前記取付台板との間に設ける所定間隔に等しい高さを有する円筒状の前記スペーサ胴部の上端に前記案内支持部が突設され、かつ、中心部分にねじ孔が貫通して設けられている前記本体金具と、前記取付台板に設けた取付孔に挿通し、前記スペーサ胴部の下端側から前記ねじ孔に螺合する前記皿ねじと、前記表示板に設けた支持孔を前記案内支持部に嵌め合わせて前記表示板を前記スペーサ胴部の上端に形成される係止段部に係止させた状態で、前記案内支持部の上端側から前記ねじ孔に螺合する前記固定ねじとの３つの部品だけで、前記表示板を前記取付台板に所定間隔を隔てて強固に、かつ、容易に固定保持させることができる。しかも、部品点数が少ないので、コストの削減を図ることができる。   As explained above. In the mounting structure of the present invention, the guide support portion protrudes from an upper end of the cylindrical spacer body having a height equal to a predetermined interval provided between the display plate and the mounting base plate, and the center. The main body metal fitting provided with a screw hole penetrating into the part, the countersunk screw inserted into the attachment hole provided in the attachment base plate, and screwed into the screw hole from the lower end side of the spacer body, The support hole provided in the display plate is fitted to the guide support portion, and the display plate is locked to the locking step formed at the upper end of the spacer body, and the upper end side of the guide support portion The display plate can be firmly and easily fixed and held on the mounting base plate at a predetermined interval by only three parts including the fixing screw screwed into the screw hole. In addition, since the number of parts is small, the cost can be reduced.

また、前記皿ねじを前記ねじ孔に螺合して締め付けたとき、前記皿頭が前記本体金具の前記凹部に沈み込み、該皿頭の表面が前記取付台板の裏面とほぼ面一になるので、前記取付台板を門柱、扉板、壁板などの被取付面に接着する際に邪魔にならない。しかも、前記皿頭が前記本体金具の前記凹部に沈み込む際に、該皿頭の傾斜側面が前記取付台板の取付孔の前記テーパ面に押圧すると共に、前記本体金具の下端面が前記取付台板に押し付けられるので、前記取付台板に対して前記本体金具が一層強固に、かつ確実に固定保持され、がた付くおそれがない。   Further, when the countersunk screw is screwed into the screw hole and tightened, the countersunk head sinks into the recess of the main body fitting, and the surface of the countersunk head is substantially flush with the back surface of the mounting base plate. Therefore, it does not get in the way when the mounting base plate is bonded to a mounting surface such as a gate pillar, a door plate, or a wall plate. In addition, when the countersunk head sinks into the recess of the main body fitting, the inclined side surface of the countertop presses against the tapered surface of the mounting hole of the mounting base plate, and the lower end surface of the main body fitting is attached to the mounting base. Since it is pressed against the base plate, the main body metal fitting is more firmly and securely fixed to the mounting base plate and there is no possibility of rattling.

さらに、前記案内支持部の高さが、前記表示板の厚みより若干低く設定されていて、前記固定ねじを前記案内支持部の上端側から前記ねじ孔に螺合して締め付けたとき、該固定ねじの頭部で前記表示板の表面（上面）を押圧し、前記本体金具の前記係止段部とで前記表示板を挟み付けて固定保持する構成であるから、前記表示板が前記本体金具に強固に、かつ確実に固定保持され、がた付くおそれが少ない。   Further, the height of the guide support portion is set slightly lower than the thickness of the display plate, and the fixing screw is fixed when screwed into the screw hole from the upper end side of the guide support portion and tightened. Since the display plate is configured to press and hold the surface (upper surface) of the display plate with the head of the screw and sandwich and hold the display plate with the locking step portion of the main body bracket, the display plate is the main body bracket. It is firmly and securely held, and there is little risk of rattling.

本発明を表札の取付け構造に適用した実施例を示す平面図である。It is a top view which shows the Example which applied this invention to the attachment structure of the nameplate. 図１の２−２線に沿う拡大断面図である。It is an expanded sectional view which follows the 2-2 line of FIG. 同上本体金具の正面図である。It is a front view of a main body metal fitting same as the above. 同上取付台板に設けた取付孔に皿ねじを挿通し、前記本体金具のスペーサ胴部の下端側からねじ孔に螺合して締付ける前の状態を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the state before inserting a flat head screw in the attachment hole provided in the mounting base plate same as the above, and screwing in and tightening to a screw hole from the lower end side of the spacer trunk | drum of the said main body metal fitting. 前記ねじ孔に螺合した前記皿ねじを締付けて、前記本体金具を前記取付台板に固定保持した状態を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the state which fastened the said countersunk screw screwed in the said screw hole, and fixedly hold | maintained the said main body metal fitting to the said mounting base plate. 同上表示板に設けた支持通孔を前記本体金具の案内支持部に嵌め合わせた状態を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the state which fitted the support through-hole provided in the display board same as the above to the guide support part of the said main body metal fitting.

以下、本発明の実施の形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は本発明を表札の取付け構造として実施した例を示している。表札１はアクリル樹脂材の透明板で製作されていて、具体的には厚み約５ｍｍのアクリル樹脂製透明板により一辺約１１ｃｍの正方形に形成され、該四角形の透明板の裏面にレーザ加工により氏名の文字２を彫刻して、彫刻された文字２の凹部に水性塗料を塗布して表札１としたものであり、表札１の四面は面取り加工したカット面３が設けられている。該表札１は、図２に示されているように、金属薄板からなる取付台板５に取付金具１０を介して所定間隔Ｋを隔てて取付け固定される。このため、表札１の四隅には取付金具１０に嵌め合わせる支持孔４が設けられている。  FIG. 1 shows an example in which the present invention is implemented as a structure for attaching a nameplate. The nameplate 1 is made of a transparent plate made of acrylic resin material. Specifically, it is formed into a square of about 11 cm on a side by a transparent plate made of acrylic resin having a thickness of about 5 mm, and the name is obtained by laser processing on the back surface of the square transparent plate. The name plate 2 is engraved, and a water-based paint is applied to the recessed portion of the engraved character 2 to form a nameplate 1. The four sides of the nameplate 1 are provided with cut surfaces 3 that are chamfered. As shown in FIG. 2, the nameplate 1 is attached and fixed to a mounting base plate 5 made of a thin metal plate at a predetermined interval K via a mounting bracket 10. For this purpose, support holes 4 are provided at the four corners of the nameplate 1 to be fitted to the mounting bracket 10.

取付台板５は、ステンレス鋼板の薄板（厚み約１．０ｍｍ）で表札１より若干大きい正方形に形成されている。該取付台板５の四隅には取付金具１０の取付孔６が設けられている（図２、図４参照）。該取付孔６は打ち抜き加工したのち、皿もみ加工して、図４に示すように、取付孔６の内周面が後述する皿ねじ１２の皿頭２１の傾斜側面２２とほぼ同一の傾斜角（軸線に対して４５°）を有するテーパ面７に形成されている。   The mounting base plate 5 is a thin stainless steel plate (thickness: about 1.0 mm) and is formed in a square slightly larger than the nameplate 1. Mounting holes 6 of the mounting bracket 10 are provided at the four corners of the mounting base plate 5 (see FIGS. 2 and 4). The mounting hole 6 is stamped and then countersunk, and as shown in FIG. 4, the inner peripheral surface of the mounting hole 6 has substantially the same inclination angle as the inclined side surface 22 of the countersunk head 21 of the countersunk screw 12 described later. It is formed in the taper surface 7 which has (45 degrees with respect to an axis).

取付金具１０は、図２ないし図５に示されているように、本体金具１１と、該本体金具１１にねじ嵌合される皿ねじ１２及び固定ねじ１３の３つの部品により構成されている。本体金具１１は、前記所定間隔Ｋに等しい高さを有する円筒状のスペーサ胴部１４の上端に、該スペーサ胴部１４より小径の案内支持部１５が突設されていて、該案内支持部１５の外側のスペーサ胴部１４の上端面に係止段部１６が形成されている。また、本体金具１１の中心部分にねじ孔１７が貫通して設けられ、スペーサ胴部１４の下端面部分に大径の凹部１８が設けられている。該凹部１８は、後述する皿ねじ１２の皿頭２１の外径より大径で、かつ、皿頭２１の傾斜側面２２とほぼ同一の傾斜角（軸線に対して４５°）を有する円錐状凹部を座ぐり加工して形成されている。一方、図６に良く示されているように、本体金具１１の案内支持部１５の高さＨは、表札１の厚みＣより僅かに低く設定されている。   As shown in FIGS. 2 to 5, the mounting bracket 10 is composed of three parts: a body bracket 11, and a countersunk screw 12 and a fixing screw 13 that are screwed onto the body bracket 11. The main body 11 is provided with a guide support portion 15 having a smaller diameter than the spacer body portion 14 at the upper end of a cylindrical spacer body portion 14 having a height equal to the predetermined interval K. A locking step 16 is formed on the upper end surface of the outer spacer body 14. Further, a screw hole 17 is provided through the central portion of the main body 11, and a large-diameter recess 18 is provided at the lower end surface portion of the spacer body 14. The concavity 18 has a conical concavity having a diameter larger than the outer diameter of a countersunk head 21 of a countersunk screw 12 to be described later and having substantially the same inclination angle (45 ° with respect to the axis) as the inclined side surface 22 of the countersink 21 It is formed by spot facing. On the other hand, as shown well in FIG. 6, the height H of the guide support portion 15 of the main body metal 11 is set slightly lower than the thickness C of the nameplate 1.

皿ねじ１２は、本体金具１１のねじ孔１７に螺合するねじ軸２０の端部に皿頭２１が連設されていて、図４に示されているように、該皿頭２１の外径Ａは、取付台板５に設けた取付孔６の孔径Ｂより僅かに大きく設定されている。また、皿頭２１の傾斜側面２２は、軸線に対して４５°傾斜した円錐面に形成されている。   The countersunk screw 12 has a countersunk head 21 connected to the end of a screw shaft 20 that is screwed into the screw hole 17 of the main body metal 11, and the outer diameter of the countersunk head 21 is shown in FIG. A is set slightly larger than the hole diameter B of the mounting hole 6 provided in the mounting base plate 5. Further, the inclined side surface 22 of the countersunk head 21 is formed in a conical surface inclined by 45 ° with respect to the axis.

固定ねじ１３は、本体金具１１のねじ孔１７に螺合するねじ軸３０の端部に掴みを兼ねる大きな円柱状の頭部３１が連設されている（図２参照）。なお、頭部３１の形状は装飾機能を持たせるため種々の形状とすることが可能である。  The fixing screw 13 is provided with a large columnar head 31 that also serves as a grip at the end of a screw shaft 30 that is screwed into the screw hole 17 of the main body 11 (see FIG. 2). Note that the shape of the head 31 can be various shapes in order to provide a decorative function.

上記した取付金具１０の本体金具１１、皿ねじ１２及び固定ねじ１３は、耐候性を考慮して、真兪製でニッケル鍍金又はニッケル・クロム鍍金したものとする。   The main body metal 11, the countersunk screw 12 and the fixing screw 13 of the mounting metal 10 described above are made of brass and nickel plated or nickel / chrome plated in consideration of weather resistance.

上記の構成により、図４に示すように、取付台板５の裏側から取付孔６に挿通した皿ねじ１２のねじ軸２０を本体金具１１のスペーサ胴部１４の下端側からねじ孔１７に螺合して締め付けると、図２及び図５に示すように、皿頭２１が凹部１８に沈み込み、皿頭２１の表面が取付台板５の裏面とほぼ面一又は若干沈み込んだ状態で取付台板５に固定される。しかも、皿頭２１が凹部１８に沈み込む際、図４及び図５に良く示されているように、皿頭２１の傾斜側面２２が取付孔６のテーパ面７に押圧すると共に、傾斜側面２２と凹部１８の内側面との間に隙間２３が形成されることで、本体金具１１の下端面１９が取付台板５に押し付けられて密着するので、取付台板５に対して本体金具１１が強固に、かつ確実に固定保持され、がた付くおそれがない。   With the above configuration, as shown in FIG. 4, the screw shaft 20 of the countersunk screw 12 inserted into the mounting hole 6 from the back side of the mounting base plate 5 is screwed into the screw hole 17 from the lower end side of the spacer body 14 of the main body 11. When tightened together, as shown in FIGS. 2 and 5, the countersunk head 21 sinks into the recess 18, and the surface of the countersunk head 21 is substantially flush with the back surface of the mounting base plate 5 or is slightly submerged. It is fixed to the base plate 5. Moreover, when the countersunk head 21 sinks into the recess 18, the inclined side surface 22 of the countersink 21 presses against the tapered surface 7 of the mounting hole 6 and the inclined side surface 22 as well shown in FIGS. 4 and 5. And the inner surface of the concave portion 18, the lower end surface 19 of the main body 11 is pressed against and closely contacts the mounting base plate 5, so that the main body 11 is attached to the mounting base plate 5. It is firmly and securely fixed and there is no risk of rattling.

上記のようにして、４つの本体金具１１が取付台板５の四隅に固定保持されると、表札１の四隅に設けた支持孔４を各本体金具１１の案内支持部１５に嵌め合わせて、表札１をスペーサ胴部１４の上端の係止段部１６に当接支持させる。この状態で、固定ねじ１３のねじ軸３０を案内支持部１５の上端側からねじ孔１７に螺合して締め付ける。このとき、案内支持部１５の上端面が表札１の表面より若干沈み込んで位置しているので、締め付けた固定ねじ１３の頭部３１が表札１の表面（上面）を直接押圧し、本体金具１１のスペーサ胴部１４の係止段部１６とで表札１を挟み付けて、表札１が本体金具１１に固定保持される。したがって、表札１は取付台板５に所定間隔Ｋを隔てて強固に、かつ確実に取付け固定される。しかも、前述のように皿ねじ１２の皿頭２１が本体金具１１の凹部１８に沈み込み、取付台板５の裏面に突出しないので、取付台板５を門柱、扉板、壁板等の被取付面に接着する際に支障となるおそれがないものである。  As described above, when the four main metal fittings 11 are fixedly held at the four corners of the mounting base plate 5, the support holes 4 provided at the four corners of the nameplate 1 are fitted into the guide support portions 15 of the main metal fittings 11, The nameplate 1 is brought into contact with and supported by the locking step 16 at the upper end of the spacer body 14. In this state, the screw shaft 30 of the fixing screw 13 is screwed into the screw hole 17 from the upper end side of the guide support portion 15 and tightened. At this time, since the upper end surface of the guide support portion 15 is positioned slightly sinking from the surface of the nameplate 1, the head 31 of the tightened fixing screw 13 directly presses the surface (upper surface) of the nameplate 1, thereby The nameplate 1 is sandwiched by the locking step portion 16 of the spacer body 14 of the eleventh, and the nameplate 1 is fixedly held to the main body metal fitting 11. Therefore, the nameplate 1 is firmly and securely attached and fixed to the mounting base plate 5 at a predetermined interval K. Moreover, since the countersunk head 21 of the countersunk screw 12 sinks into the recess 18 of the main body metal 11 and does not protrude from the back surface of the mounting base plate 5 as described above, the mounting base plate 5 is covered with a gate pillar, door plate, wall plate, or the like. There is no possibility of hindrance when adhering to the mounting surface.

本発明の取付け構造は、特にアクリル樹脂製の表札（表示板）を金属薄板からなる取付台板に所定間隔を隔てて取付け固定するのに好適である。   The mounting structure of the present invention is particularly suitable for mounting and fixing an acrylic resin nameplate (display plate) to a mounting base plate made of a thin metal plate at a predetermined interval.

１ 表札
２ 氏名の文字
４ 支持孔
５ 取付台板
６ 取付孔
７ テーパ面
１０ 取付金具
１１ 本体金具
１２ 皿ねじ
１３ 固定ねじ
１４ スペーサ胴部
１５ 案内支持部
１６ 係止段部
１７ ねじ孔
１８ 凹部
１９ 下端面
２０ ねじ軸
２１ 皿頭
２２ 傾斜側面
２３ 隙間
３０ ねじ軸
３１ 頭部 DESCRIPTION OF SYMBOLS 1 Name plate 2 Name character 4 Support hole 5 Mounting base plate 6 Mounting hole 7 Tapered surface 10 Mounting bracket 11 Main body bracket 12 Countersunk screw 13 Fixing screw 14 Spacer trunk 15 Guide support portion 16 Locking step portion 17 Screw hole 18 Recessed portion 19 Lower end surface 20 Screw shaft 21 Countersunk head 22 Inclined side surface 23 Clearance 30 Screw shaft 31 Head

Claims (5)

合成樹脂製の表示板を金属薄板からなる取付台板に所定間隔を隔てて取付け固定する表示板の取付け構造であって、
前記所定間隔に等しい高さを有する円筒状のスペーサ胴部の上端に、該スペーサ胴部より小径の案内支持部が突設され、該案内支持部の外側の前記スペーサ胴部の上端面に係止段部が形成されており、かつ、中心部分にねじ孔が貫通して設けられていると共に、前記スペーサ胴部の下端面部分に大径の凹部が設けられている本体金具と、
前記取付台板に設けた取付孔に挿通し、前記スペーサ胴部の下端側から前記ねじ孔に螺合して、前記取付台板に前記本体金具を固定保持する皿ねじと、
前記表示板に設けた支持孔を前記案内支持部に嵌め合わせて前記表示板を前記係止段部に係止させた状態で、前記案内支持部の上端側から前記ねじ孔に螺合してその頭部で前記表示板を押圧して前記本体金具に固定保持する固定ねじとから成り、
前記取付台板に設ける前記取付孔は、前記皿ねじの皿頭の外径より僅かに小径で、かつ、内周面が前記皿頭の傾斜側面とほぼ同一の傾斜角を有するテーパ面に形成されていて、前記取付孔に挿通した前記皿ねじを前記ねじ孔に螺合して締め付けたとき、前記皿頭が前記取付孔の前記テーパ面に押圧すると共に、前記本体金具の前記凹部に沈み込み、該皿頭の表面が前記取付台板の裏面とほぼ面一になった姿勢で前記本体金具を前記取付台板に固定保持する構成とし、
一方、前記案内支持部の高さは、前記表示板の厚みより低く設定されていて、前記固定ねじを前記案内支持部の上端側から前記ねじ孔に螺合して締め付けたとき、該固定ねじの前記頭部で前記表示板の表面を押圧し、前記本体金具の前記係止段部とで前記表示板を挟み付けるように固定保持する構成とすることを特徴とする表示板の取付け構造。 A display board mounting structure for mounting and fixing a synthetic resin display board to a mounting base plate made of a thin metal plate at a predetermined interval,
A guide support portion having a smaller diameter than the spacer body is projected from the upper end of the cylindrical spacer body having a height equal to the predetermined interval, and is engaged with the upper end surface of the spacer body outside the guide support. A main body bracket having a stepped portion formed therein and having a screw hole penetrating through the central portion and having a large-diameter concave portion at the lower end surface portion of the spacer body portion;
A countersunk screw that is inserted through a mounting hole provided in the mounting base plate, screwed into the screw hole from the lower end side of the spacer body, and fixedly holding the main body bracket on the mounting base plate;
In a state where the support hole provided in the display plate is fitted to the guide support portion and the display plate is locked to the locking step portion, it is screwed into the screw hole from the upper end side of the guide support portion. It consists of a fixing screw that presses the display plate with its head and holds it fixed to the body fitting,
The mounting hole provided in the mounting base plate is formed in a tapered surface having a slightly smaller diameter than the outer diameter of the countersunk head of the countersunk screw and an inner peripheral surface having substantially the same inclination angle as the inclined side surface of the countersunk head. When the countersunk screw inserted into the mounting hole is screwed into the screw hole and tightened, the countersunk head presses against the tapered surface of the mounting hole and sinks into the recess of the main body metal fitting. The main body fitting is fixedly held on the mounting base plate in a posture in which the surface of the countersunk head is substantially flush with the back surface of the mounting base plate.
On the other hand, the height of the guide support portion is set lower than the thickness of the display plate, and when the fixing screw is screwed into the screw hole from the upper end side of the guide support portion and tightened, the fixing screw The display plate mounting structure is configured to press and hold the surface of the display plate with the head portion and to fix and hold the display plate so as to sandwich the display plate with the locking step portion of the main body metal fitting. 前記本体金具の前記スペーサ胴部の下端面部分に設ける前記凹部が、前記皿ねじの皿頭の外径より大径で、かつ、前記皿頭の傾斜側面とほぼ同一の傾斜角を有する円錐状凹部に形成されていることを特徴とする請求項１記載の表示板の取付け構造。   The concave portion provided in the lower end surface portion of the spacer body portion of the main body metal fitting has a conical shape having a diameter larger than the outer diameter of the countersunk head of the countersunk screw and substantially the same inclination angle as the inclined side surface of the countersunk head. The display plate mounting structure according to claim 1, wherein the display plate mounting structure is formed in a recess. 前記表示板が、アクリル樹脂材の透明板で構成されていることを特徴とする請求項１又は２記載の表示板の取付け構造。   3. The display plate mounting structure according to claim 1, wherein the display plate is made of a transparent plate made of an acrylic resin material. 前記取付台板が、ステンレス鋼板の薄板である請求項１、２又は３記載の表示板の取付け構造。   The display plate mounting structure according to claim 1, 2 or 3, wherein the mounting base plate is a thin plate of a stainless steel plate. 前記固定ねじの前記頭部が、装飾機能を具備した形状であることを特徴とする請求項１ないし４のいずれかに記載の表示板の取付け構造。   5. The display board mounting structure according to claim 1, wherein the head of the fixing screw has a shape having a decorative function.
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WO2014176966A1 (en) * 2013-05-02 2014-11-06 Li Yingni Dartboard
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WO2014176966A1 (en) * 2013-05-02 2014-11-06 Li Yingni Dartboard
CN107775720A (en) * 2016-08-25 2018-03-09 成都飞机工业（集团）有限责任公司 A kind of method that fastener is installed in sandwich

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