JP2021059915A - Shutter device - Google Patents

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JP2021059915A
JP2021059915A JP2019185143A JP2019185143A JP2021059915A JP 2021059915 A JP2021059915 A JP 2021059915A JP 2019185143 A JP2019185143 A JP 2019185143A JP 2019185143 A JP2019185143 A JP 2019185143A JP 2021059915 A JP2021059915 A JP 2021059915A
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sheet
shutter
reinforcing
holding portion
shutter device
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JP7340849B2 (en
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任昭 岩崎
Takaaki Iwasaki
任昭 岩崎
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Abstract

To develop a novel shutter device which is configured such that snow accumulation on the outside of a shutter sheet thereof can be prevented.SOLUTION: A shutter device S, which closes an opening in a structure by unwinding downward a shutter sheet 2 that is upwardly windable, is configured such that the shutter sheet 2 is provided with reinforcing sections 22 arranged laterally to a sheet body 21 at multiple locations in the vertical direction, and each reinforcing section 22 includes a retaining section part 23 at the outside of the sheet body 21 which is a bag-shaped configuration when viewed from the outside with a reinforcing pier 24 inserted into the retaining section 23, and concurrently includes a slip guiding sheet 25 above the retaining section 23 connecting the sheet body 21 and the overhanging side of the retaining section 23.SELECTED DRAWING: Figure 1

Description

本発明は、構造物の開口部、例えばトラック荷台の後部開口や、テントハウスの開口部等に設けることが適切なシャッタ装置に関するものであって、特に降雪時における開閉動作に支承を来すことのないようにするための改良に係るものである。 The present invention relates to a shutter device that is suitable to be provided at an opening of a structure, for example, a rear opening of a truck bed, an opening of a tent house, etc., and particularly supports an opening / closing operation during snowfall. It is related to the improvement to prevent the problem.

例えば製鉄工場敷地内で、製品たる鉄板コイルを保管し、且つ移動できるようにした、公道走行を前提としない特殊車両の荷台構造について、本発明者は既に多くの提案をし、実製品は好評裏に使用されている(特許文献1参照)。
この荷台構造は、重量物を荷台へ積み込む作業や、保管の作業を考慮して荷台には蛇腹状の幌装置が設置され、幌装置を収縮格納することにより、荷台側面が広く開放できるように構成されている。
このような構成の場合、幌装置の長手方向の端部は門型のフレームを具えており、これにより構成される開口部も、幌素材を適用したシャッタシートを巻取り自在としたシャッタ装置により開閉できるような構成が採られている。
For example, the present inventor has already made many proposals regarding a loading platform structure for a special vehicle that is not premised on driving on public roads and that allows the iron plate coil, which is a product, to be stored and moved on the premises of a steel factory, and the actual product has been well received. It is used on the back (see Patent Document 1).
In this loading platform structure, a bellows-shaped hood device is installed on the loading platform in consideration of the work of loading heavy objects on the loading platform and the work of storage, and by retracting and storing the hood device, the side surface of the loading platform can be opened widely. It is configured.
In the case of such a configuration, the longitudinal end of the hood device is provided with a gate-shaped frame, and the opening formed by this is also provided by the shutter device that allows the shutter sheet to which the hood material is applied to be wound freely. It has a structure that can be opened and closed.

しかしながらこのようなシャッタシートのみでは、巻取り繰り出しの操作に耐えるだけの剛性は得られない。したがってこのシャッタシートには、横桟状の補強桟を具えた補強部を数段階に亘って設けている。
ところでこのような装置を降雪のある地域で使用する場合には、図3(b)に示すように補強桟24′を具えた補強部22′が外側に張り出すような形状であるから、この部分に雪が降り積もり、シート本体21′の巻き取りが円滑に出来なくなるという現象が生じる恐れがある。
However, such a shutter sheet alone cannot provide sufficient rigidity to withstand the winding and unwinding operation. Therefore, the shutter sheet is provided with a reinforcing portion provided with a horizontal bar-shaped reinforcing bar in several stages.
By the way, when such a device is used in an area with snowfall, as shown in FIG. 3B, the reinforcing portion 22'provided with the reinforcing bar 24'is shaped so as to project outward. There is a risk that snow will accumulate on the portion and the seat body 21'will not be able to be wound smoothly.

特許第4639699号公報Japanese Patent No. 4639699

本発明はこのような背景を考慮してなされたものであって、シャッタ装置におけるシャッタシート外側に雪が積もるのを防ぐことができる新規なシャッタ装置を開発することを技術課題とした。 The present invention has been made in consideration of such a background, and it has been a technical subject to develop a new shutter device capable of preventing snow from accumulating on the outside of the shutter sheet in the shutter device.

すなわち請求項1記載のシャッタ装置は、構造物の開口部を、その上方に巻き取られるシャッタシートの下方への繰り出しにより閉鎖するシャッタ装置であって、前記シャッタシートは、シート本体に対し横方向に配置した補強部を、上下方向の複数箇所に設けるものであり、この補強部は、シート本体に対し、その外側に側断面視で袋状とした保持部を具え、この保持部に対し補強桟を挿し込み状態に設けたものであり、且つ、保持部上方には、シート本体と保持部の張り出し側とを結ぶすべり誘導シートを具えていることを特徴として成るものである。 That is, the shutter device according to claim 1 is a shutter device that closes an opening of a structure by extending the shutter sheet that is wound above the shutter sheet downward, and the shutter sheet is laterally oriented with respect to the sheet body. The reinforcing portions arranged in the above are provided at a plurality of locations in the vertical direction, and the reinforcing portions are provided with a bag-shaped holding portion on the outside of the seat body in a side cross-sectional view to reinforce the holding portion. It is characterized in that the crosspiece is provided in an inserted state, and a slip guide sheet connecting the seat body and the overhanging side of the holding portion is provided above the holding portion.

また請求項2記載のシャッタ装置は、前記請求項1記載の要件に加え、前記保持部は、補強桟の断面全周囲を幅方向全域に亘り囲むように形成されていることを特徴として成るものである。
そしてこれら各請求項記載の発明を手段として前記課題の解決が図られる。
The shutter device according to claim 2, in addition to the requirements according to claim 1, is characterized in that the holding portion is formed so as to surround the entire cross section of the reinforcing bar over the entire width direction. Is.
Then, the above-mentioned problems can be solved by using the inventions described in the respective claims as means.

まず請求項1記載の発明によれば、シャッタ装置を構成するシャッタシートは、外側に張り出している補強部の上方にすべり誘導シートを具えているから、この部位に雪が積もってしまうことがなく、安定したシャッタシートの開閉を行うことができる。 First, according to the invention of claim 1, since the shutter sheet constituting the shutter device includes a slip guide sheet above the reinforcing portion overhanging to the outside, snow does not accumulate on this portion. The shutter sheet can be opened and closed in a stable manner.

また請求項2記載の発明によれば、シャッタシートの補強部における補強桟の保持部は、補強桟を全周全幅に亘り囲んでいるから、補強桟の保持が確実に行われる。 Further, according to the invention of claim 2, since the holding portion of the reinforcing bar in the reinforcing portion of the shutter sheet surrounds the reinforcing bar over the entire circumference, the reinforcing bar is reliably held.

本発明のシャッタ装置を適用した荷台を具えた車輌の斜視図並びにシャッタ装置の一部拡大断面図である。It is a perspective view of the vehicle provided with the loading platform to which the shutter device of this invention is applied, and the partially enlarged sectional view of the shutter device. シャッタ装置の正面図(a)、側面図(b)、(c)である。It is a front view (a), a side view (b), (c) of a shutter device. 降雪時のシャッタ装置の作用態様を示す断面図(a)及び従来仕様の構成を示す断面図(b)である。It is sectional drawing (a) which shows the operation mode of the shutter device at the time of snowfall, and sectional drawing (b) which shows the structure of the conventional specification. シャッタ装置の補強部を示す断面図である。It is sectional drawing which shows the reinforcing part of a shutter device.

本発明を実施する形態は以下に述べる実施例であり、更にこの技術思想に基づく種々形態をも含むものである。 The embodiment of the present invention is an example described below, and further includes various embodiments based on this technical idea.

以下、本発明を図示の実施例に基づき具体的に説明する。図中符号Sで示すものが本発明に係るシャッタ装置であって、図1に示すように一例として重量鉄材等を保管、搬送するための特殊車輌Cの荷台に具えられた幌装置Nの端部開口を閉鎖する部材として適用されている。
なおこの幌装置Nは、一例としてその端部のフレームが荷台長手方向にスライドすると共に幌自体が全体として蛇腹状に収縮自在に構成され、荷役作業を行い易くしている。
このような幌装置Nの端部のフレームを実質的にシャッタフレーム1として、ここにシャッタ装置Sの各種構成部材が支持される。支持される主要部材としては、シャッタシート2と、これを巻き取り、また下方への繰り出しを行う巻取装置3であり、更に必要に応じて本出願人が既に特開2015−14141号で開示したような巻き取り作業負荷を軽減させるトルクアシスト機構が設けられる。
なお巻取装置3及びトルクアシスト機構5については、その詳細な説明は省略する。
Hereinafter, the present invention will be specifically described with reference to the illustrated examples. The shutter device according to the present invention is indicated by reference numeral S in the drawing, and as shown in FIG. 1, the end of the hood device N provided on the loading platform of the special vehicle C for storing and transporting a heavy iron material or the like as an example. It is applied as a member that closes the opening.
As an example, the hood device N has a frame at its end that slides in the longitudinal direction of the loading platform, and the hood itself is configured to be retractable in a bellows shape as a whole, facilitating cargo handling work.
The frame at the end of the hood device N is substantially used as the shutter frame 1, and various constituent members of the shutter device S are supported here. The main members to be supported are a shutter sheet 2 and a winding device 3 for winding the shutter sheet and feeding the shutter sheet downward, and if necessary, the applicant has already disclosed it in Japanese Patent Application Laid-Open No. 2015-14141. A torque assist mechanism is provided to reduce the winding work load.
The detailed description of the winding device 3 and the torque assist mechanism 5 will be omitted.

まず前記シャッタフレーム1は、一例としてポストフレーム11、上部ビームフレーム12、下部ビームフレーム13により構成される門型形状であって、上部ビームフレーム12近くに前記巻取装置3を配すると共に、両側に一対立設されたポストフレーム11には、その内側にシャッタシート2の幅方向両端部を案内するガイドフレーム11Fが対向的に設けられている。 First, the shutter frame 1 has a portal shape composed of a post frame 11, an upper beam frame 12, and a lower beam frame 13 as an example, and the winding device 3 is arranged near the upper beam frame 12 and both sides thereof. A guide frame 11F for guiding both ends in the width direction of the shutter sheet 2 is provided on the inside of the post frame 11 which is opposed to the post frame 11.

シャッタ装置Sの主要な構成部材であるシャッタシート2は、適宜の防水性を具えた樹脂、または帆布あるいはそれらの複合素材で等で形成され、それ自体は充分な「コシ」を具えずに巻き取り、繰り出しを許容する性状のものが適用されている。
このシャッタシート2におけるシート本体21に対して、本発明の改良構造が設けられるものであって、シート本体21の幅方向の剛性を確保するために設けられる補強構造に対して設けられる。
The shutter sheet 2, which is a main component of the shutter device S, is made of a resin having appropriate waterproofness, canvas, or a composite material thereof, etc., and is itself wound without sufficient "stiffness". Those with properties that allow taking and feeding are applied.
The improved structure of the present invention is provided for the seat body 21 of the shutter sheet 2, and is provided for the reinforcing structure provided for ensuring the rigidity of the seat body 21 in the width direction.

以下、このシャッタシート2の構成について説明する。この補強構造部位を補強部22とするものであって、シート本体21の外側に上下に亘って複数箇所に設けられる。
具体的には、強度部材である補強桟24を保持する断面視袋状の保持部23が、同一素材等でシート本体21に溶着シームされることによって形成されている。
補強部22の幅方向寸法は、シート本体21の略全幅方向に亘るものであり、袋状の保持部23内部に補強桟24が挿入状態に保持されている。
そしてこの袋状の保持部23の張り出し側頂部近くから斜め上方に向かって上端をシート本体21に固着させたすべり誘導シート25が設けられている。
このすべり誘導シート25は、シャッタシート2の全幅に亘って設けられ、補強部22が外側に張り出した部位に降雪時、雪が積もらないようにするものである。
一方、補強桟24を保持する保持部23は、必ずしも全幅に亘って切れ目なく設けられる必要はなく、幅方向に部分的に分断されてもよい。
もちろん芯材となる補強桟24の確実な保持や保護の点からは、保持部23は補強桟24の全幅に亘り袋状(筒状)とすることが好ましい。
なお図1、2中に拡大して示すように、補強桟24の両側には平板状のスライダ26が具えられ、このスライダ26がガイドフレーム11Fのスリット11Sに入り込んだ状態で上下に摺動することとなる。このような構成が採られることにより、ガイドフレーム11F側への雪の侵入を防止することができる。更にスリット11Sの側方に、上下に伸びるシャフトSTを形成することにより、万が一スリット11Sから雪が入り込んでしまった場合でも、これを下方に落として摺動部位への固着を防止することができる。
また前記スライダ26を、すべり誘導シート25と同じ素材のスライダカバー26Cで被覆するようにした。
Hereinafter, the configuration of the shutter sheet 2 will be described. This reinforcing structure portion serves as a reinforcing portion 22, and is provided at a plurality of locations on the outside of the seat body 21 in the vertical direction.
Specifically, the cross-sectional view bag-shaped holding portion 23 that holds the reinforcing bar 24, which is a strength member, is formed by being welded and seamed to the sheet body 21 with the same material or the like.
The width direction dimension of the reinforcing portion 22 extends in substantially the entire width direction of the seat body 21, and the reinforcing bar 24 is held in the inserted state inside the bag-shaped holding portion 23.
A slip guide sheet 25 is provided in which the upper end of the bag-shaped holding portion 23 is fixed to the seat body 21 diagonally upward from the vicinity of the overhanging side top.
The slip guide sheet 25 is provided over the entire width of the shutter sheet 2 to prevent snow from accumulating on the portion where the reinforcing portion 22 projects outward during snowfall.
On the other hand, the holding portion 23 for holding the reinforcing bar 24 does not necessarily have to be provided seamlessly over the entire width, and may be partially divided in the width direction.
Of course, from the viewpoint of surely holding and protecting the reinforcing bar 24 as the core material, it is preferable that the holding portion 23 has a bag shape (cylindrical shape) over the entire width of the reinforcing bar 24.
As shown enlarged in FIGS. 1 and 2, flat sliders 26 are provided on both sides of the reinforcing bar 24, and the sliders 26 slide up and down in a state of being inserted into the slit 11S of the guide frame 11F. It will be. By adopting such a configuration, it is possible to prevent snow from entering the guide frame 11F side. Further, by forming the shaft ST extending up and down on the side of the slit 11S, even if snow should enter from the slit 11S, it can be dropped downward to prevent sticking to the sliding portion.
Further, the slider 26 is covered with a slider cover 26C made of the same material as the slip guide sheet 25.

この保持部23と、すべり誘導シート25との形成にあたってのシート素材の具体的形成構造としては、図4(a)、(b)、(c)に示すような態様が取り得る。
まず図4(a)に示すものは、保持部23を単一のポケット用シート要素b1で形成し、一方、別体のすべり誘導シート25となるひさし用シート要素b2を溶着形成する形態である。
すなわち図4(a)にシンボリックに図示するように、ポケット用シート要素b1はポケット上部溶着部h1とポケット下部溶着部h2とにおいて、シート本体21と溶着される。一方、すべり誘導シート25を形成するひさし用シート要素b2は、側面視上部がひさし上部溶着部h3においてシート本体21と溶着され、側面視下端部が、ポケット用シート要素b1の張り出し側頂部のひさし下部溶着部h4において溶着されている。
The specific forming structure of the sheet material for forming the holding portion 23 and the slip-inducing sheet 25 may be as shown in FIGS. 4A, 4B, and 4C.
First, in FIG. 4A, the holding portion 23 is formed by a single pocket sheet element b1, while the eaves sheet element b2, which is a separate slip-inducing sheet 25, is welded and formed. ..
That is, as symbolically illustrated in FIG. 4A, the pocket seat element b1 is welded to the seat body 21 at the pocket upper welded portion h1 and the pocket lower welded portion h2. On the other hand, in the eaves sheet element b2 forming the slip guide sheet 25, the upper side view is welded to the sheet body 21 at the eaves upper welding portion h3, and the lower end portion of the side view is the eaves of the overhanging side top of the pocket sheet element b1. It is welded at the lower welded portion h4.

また図4(b)に示す形態は、ひさし/ポケット共用シート要素b3と、ポケット上部用シート要素b4とを組み合わせて、保持部23とすべり誘導シート25とを形成したものである。
すなわちひさし/ポケット共用シート要素b3は、その上部をひさし上部溶着部h3においてシート本体21と溶着し、その下端をポケット下部溶着部h2においてシート本体21に溶着している。この状態では、保持部23は完全には形成されていないので、ポケット上部用シート要素b4を更にひさし/ポケット共用シート要素b3の内側に配し、ひさし下部溶着部h4において一端縁を溶着すると共に、他端縁をポケット上部溶着部h1においてシート本体21と溶着する。
Further, in the form shown in FIG. 4B, the holding portion 23 and the slip guide sheet 25 are formed by combining the eaves / pocket common seat element b3 and the pocket upper portion seat element b4.
That is, the eaves / pocket common sheet element b3 has its upper portion welded to the seat body 21 at the eaves upper welding portion h3, and its lower end welded to the seat body 21 at the pocket lower welding portion h2. In this state, since the holding portion 23 is not completely formed, the pocket upper seat element b4 is further arranged inside the eaves / pocket common seat element b3, and one end edge is welded at the eaves lower welding portion h4. The other end edge is welded to the seat body 21 at the upper pocket welding portion h1.

また図4(c)に示す形態は、図4(a)に示した形態の変形タイプであって、ポケット用シート要素b1単独で形成した保持部23の全域を、ひさし用シート要素b2で覆うようにするとともに、ポケット下部溶着部h2の下方にひさし下部溶着部h4を形成するようにしたものである。
なおシート本体21や、保持部23、すべり誘導シート25の素材は、熱可塑性樹脂を含んだシート素材が用いられることが多く、上述したような溶着手段で一体化しているが、これ以外にも糸による縫合等により、一体化することももとより差し支えない。
Further, the form shown in FIG. 4C is a modified type of the form shown in FIG. 4A, and the entire area of the holding portion 23 formed by the pocket sheet element b1 alone is covered with the eaves sheet element b2. In addition to this, the lower welded portion h4 of the pocket is formed below the welded portion h2 of the lower portion of the pocket.
The sheet body 21, the holding portion 23, and the slip-inducing sheet 25 are often made of a sheet material containing a thermoplastic resin, which is integrated by the welding means as described above. Of course, it may be integrated by suturing with a thread or the like.

本発明のシャッタ装置Sは、以上述べたような具体的な形態であり、寒冷地での使用の際、降雪時にも、図3(a)に示すようにすべり誘導シート25により雪が滑り落ち、補強部22に雪が積もりたまるようなことが回避される。結果的に、シャッタシート2の開閉に支障が生じない。 The shutter device S of the present invention has a specific form as described above, and when used in a cold region or when it snows, the snow slides off by the slip guide sheet 25 as shown in FIG. 3A. It is possible to prevent snow from accumulating on the reinforcing portion 22. As a result, there is no problem in opening and closing the shutter sheet 2.

1 シャッタフレーム
11 ポストフレーム
11F ガイドフレーム
11S スリット
12 上部ビームフレーム
13 下部ビームフレーム

2 シャッタシート
21 シート本体
22 補強部
23 保持部
24 補強桟
25 すべり誘導シート
26 スライダ
26C スライダカバー

3 巻取装置

5 トルクアシスト機構

b1 ポケット用シート要素
b2 ひさし用シート要素
b3 ひさし/ポケット共用シート要素
b4 ポケット上部用シート要素

h1 ポケット上部溶着部
h2 ポケット下部溶着部
h3 ひさし上部溶着部
h4 ひさし下部溶着部

C 特殊車輌
N 幌装置
S シャッタ装置
ST シャフト
1 Shutter frame 11 Post frame 11F Guide frame 11S Slit 12 Upper beam frame 13 Lower beam frame

2 Shutter sheet 21 Seat body 22 Reinforcing part 23 Holding part 24 Reinforcing rail 25 Sliding guide sheet 26 Slider 26C Slider cover

3 Winding device

5 Torque assist mechanism

b1 Pocket seat element b2 Eaves seat element b3 Eaves / pocket shared seat element b4 Pocket upper seat element

h1 Upper pocket welding part h2 Lower pocket welding part h3 Upper eaves welding part h4 Lower eaves welding part

C Special vehicle N Top device S Shutter device ST shaft

Claims (2)

構造物の開口部を、その上方に巻き取られるシャッタシートの下方への繰り出しにより閉鎖するシャッタ装置であって、
前記シャッタシートは、シート本体に対し横方向に配置した補強部を、上下方向の複数箇所に設けるものであり、
この補強部は、シート本体に対し、その外側に側断面視で袋状とした保持部を具え、この保持部に対し補強桟を挿し込み状態に設けたものであり、
且つ、保持部上方には、シート本体と保持部の張り出し側とを結ぶすべり誘導シートを具えていることを特徴とするシャッタ装置。
A shutter device that closes the opening of a structure by extending the shutter sheet that is wound above it downward.
The shutter sheet is provided with reinforcing portions arranged in the lateral direction with respect to the sheet body at a plurality of locations in the vertical direction.
This reinforcing portion is provided with a bag-shaped holding portion on the outside of the seat body in a side cross-sectional view, and a reinforcing bar is inserted into the holding portion.
Further, a shutter device characterized in that a slip guide sheet connecting the sheet body and the overhanging side of the holding portion is provided above the holding portion.
前記保持部は、補強桟の断面全周囲を幅方向全域に亘り囲むように形成されていることを特徴とする請求項1記載のシャッタ装置。 The shutter device according to claim 1, wherein the holding portion is formed so as to surround the entire cross section of the reinforcing bar over the entire width direction.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006307521A (en) * 2005-04-28 2006-11-09 Sanwa Shutter Corp Sheet for sheet shutter and method of replacing lower portion of sheet of sheet shutter
JP2009024333A (en) * 2007-07-17 2009-02-05 Komatsu Denki Sangyo Kk Sheet shutter
JP2011252325A (en) * 2010-06-03 2011-12-15 Japan Uniflow Co Ltd Sheet shutter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006307521A (en) * 2005-04-28 2006-11-09 Sanwa Shutter Corp Sheet for sheet shutter and method of replacing lower portion of sheet of sheet shutter
JP2009024333A (en) * 2007-07-17 2009-02-05 Komatsu Denki Sangyo Kk Sheet shutter
JP2011252325A (en) * 2010-06-03 2011-12-15 Japan Uniflow Co Ltd Sheet shutter

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