JPH0554559B2 - - Google Patents
Info
- Publication number
- JPH0554559B2 JPH0554559B2 JP62234513A JP23451387A JPH0554559B2 JP H0554559 B2 JPH0554559 B2 JP H0554559B2 JP 62234513 A JP62234513 A JP 62234513A JP 23451387 A JP23451387 A JP 23451387A JP H0554559 B2 JPH0554559 B2 JP H0554559B2
- Authority
- JP
- Japan
- Prior art keywords
- footrest
- bolt insertion
- insertion hole
- tube
- footrest member
- 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
- Ladders (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、主として中高層の建築物の室内やベ
ランダ等に設置され、火災等の緊急時に安全な避
難路を構成する避難装置に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an evacuation device that is installed mainly indoors or on balconies of mid-to-high-rise buildings and constitutes a safe evacuation route in the event of an emergency such as a fire. .
（従来の技術）
複数の入れ子管を順次テレスコピツク式に連接
して構成した伸縮可能な支持柱と、この支持柱に
その長手方向に適当間隔をおいて固定された複数
の足掛け部材とを有し、非使用時には縮小された
状態でほぼ水平に支持され、使用時には下方へ回
動して伸長することにより吊り下げ式の梯子を形
成する避難装置は、例えば特公昭54−23760号等
に開示されている。(Prior Art) A telescopic support column is constructed by sequentially connecting a plurality of nested tubes in a telescopic manner, and a plurality of footrest members are fixed to the support column at appropriate intervals in the longitudinal direction. An evacuation device that is supported almost horizontally in a reduced state when not in use, and rotates downward and extends when in use to form a hanging ladder is disclosed, for example, in Japanese Patent Publication No. 54-23760. ing.
上記避難装置における足掛け部材は、取り付け
部に円弧状の貫通孔を有する形状であり、該貫通
孔には入れ子管が嵌挿され、ねじ又は溶接等によ
り入れ子管に固定されている。 The footrest member in the above-mentioned evacuation device has a shape having an arc-shaped through hole in the attachment portion, a nested tube is inserted into the through hole, and is fixed to the nested tube by screws, welding, or the like.
（発明が解決しようとする問題点）
しかし、上述した従来の避難装置における足掛
け部材の入れ子管との固定方法について、先ず、
ねじによる固定方法は、加工及び取り付け工程が
多く、品質管理が困難になるとともに、製造コス
トも高くなるという欠点を有し、また、溶接によ
る固定方法は、溶接熱により材料にひずみが発生
し、機械的強度が劣化するという欠点を有する。(Problems to be Solved by the Invention) However, first, regarding the method of fixing the foothold member to the nesting tube in the conventional evacuation device described above,
Fixing methods using screws have the drawbacks of requiring many processing and installation steps, making quality control difficult and increasing manufacturing costs.Furthermore, fixing methods using welding cause distortion in the material due to welding heat. It has the disadvantage that mechanical strength deteriorates.
上記固定方法を改良するものとして、例えば、
特57−57596にに開示されているように、足掛け
部材の舌片を、入れ子管に形成された嵌込み孔及
び開口に圧入して固定するものがあるが、上記作
業にはプレス機による圧入が必要であり、工程が
煩雑になる欠点を有する。 As an improvement to the above fixing method, for example,
As disclosed in Pat. This method has the disadvantage of complicating the process.
そこで本発明の目的は、上記従来技術の問題点
を解決するもので、その目的とするところは、足
掛け部材の入れ子管への固定を容易かつ確実に
し、また、使用時には大きな荷重に対しても充分
に耐えられる強度を持つ、安全性の高い避難装置
を提供することにある。 SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art.The purpose of the present invention is to easily and securely fix a footrest member to a nested tube, and also to be able to withstand large loads during use. The objective is to provide a highly safe evacuation device with sufficient strength.
（問題点を解決するための手段）
上述の目的を達成するため、本発明の避難装置
は次のような構成を採る。即ち、複数の入れ子管
を順次テレスコピツク式に連接して構成した伸縮
可能な支持柱と、該支持柱にその長手方向に適当
間隔をおいて固定された複数の足掛け部材とを有
し、使用時には下方に伸長することにより吊り下
げ式のはしごを形成する避難装置において、前記
足掛け部材の側壁に一対の突出部を間隔をおいて
形成すると共に前記一対の突出部の間にボルト挿
通孔を形成し、前記入れ子管の下方部位にボルト
挿通孔を形成し、前記足掛け部材の内部に断面コ
字状の補強部材を配設し、前記補強部材にボルト
挿通孔を形成し、前記足掛け部材の前記一対の突
出部の間に前記入れ子管を挟むようにして前記足
掛け部材を前記入れ子管に係合させ、前記各ボル
ト挿通孔に挿入したボルトと前記ボルトに螺合す
るナツトによつて、前記入れ子管と前記足掛け部
材と前記補強部材とを一体的に締結したことを特
徴とする避難装置である。(Means for Solving the Problems) In order to achieve the above-mentioned object, the evacuation device of the present invention has the following configuration. That is, it has an extendable support column constructed by sequentially connecting a plurality of nested tubes in a telescopic manner, and a plurality of footrest members fixed to the support column at appropriate intervals in the longitudinal direction. In the evacuation device that forms a hanging ladder by extending downward, a pair of protrusions are formed at intervals on the side wall of the footrest member, and a bolt insertion hole is formed between the pair of protrusions. , a bolt insertion hole is formed in a lower portion of the nesting tube, a reinforcing member having a U-shaped cross section is disposed inside the footrest member, a bolt insertion hole is formed in the reinforcing member, and the pair of the footrest members are provided with a bolt insertion hole. The footrest member is engaged with the nested tube so that the nested tube is sandwiched between the protruding parts of the nested tube, and the nested tube and the above-mentioned The evacuation device is characterized in that a footrest member and the reinforcing member are integrally fastened.
このように、本発明の避難装置では、足掛け部
材に一対の突出部を間隔をおいて形成し、足掛け
部材の一対の突出部の間に入れ子管を挟むように
してこれらの突出部の側面と入れ子管の側面とを
面接触させ、更に足掛け部材の内部に補強部材を
設け、足掛け部材の一対の突出部の間に形成した
ボルト挿通孔にボルトを挿入して、入れ子管と足
掛け部材と補強部材を一体化するように構成され
ているから、避難装置の使用時に足掛け部材にか
かる使用者の体重は、足掛け部材と入れ子管の間
の広い接触面によつて分散され、入れ子管の変形
を防止することができる。 As described above, in the evacuation device of the present invention, the pair of protrusions are formed at intervals on the footrest member, and the nest tube is sandwiched between the pair of protrusions of the footrest member, so that the sides of these protrusions and the nest tube A reinforcing member is provided inside the footrest member, and a bolt is inserted into a bolt insertion hole formed between a pair of protrusions of the footrest member to connect the nesting tube, the footrest member, and the reinforcing member. Since the evacuation device is configured to be integrated, the user's weight on the footrest member when using the evacuation device is distributed by the wide contact surface between the footrest member and the nesting tube, thereby preventing deformation of the nesting tube. be able to.
（実施例）
以下、本発明の実施例を図面を参照しつつ説明
する。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図ないし第４図は、本発明の避難装置を構
成する足掛け部材の一実施例を示す。足掛け部材
８は、側壁に一対の突出部８ａ，８ａがプレス等
により一体形成され、取り付け部にはボルト挿通
孔８ｄが二個並設されている。さらに、足掛け部
材８の内部には、断面コ字状の補強部材９が配設
されている。 1 to 4 show an embodiment of a footrest member constituting the evacuation device of the present invention. The footrest member 8 has a pair of protrusions 8a, 8a integrally formed on the side wall by pressing or the like, and two bolt insertion holes 8d are provided in parallel in the mounting portion. Further, inside the footrest member 8, a reinforcing member 9 having a U-shaped cross section is disposed.
入れ子管２，３，…７の平面部２ａ，３ａ，…
７ａの下方部位にはボルト挿通孔が形成され、足
掛け部材取付け用のボルト１０が挿通されてお
り、該ボルト１０は根元側を大径にしてスペーサ
部１１が形成されている。 Flat parts 2a, 3a,... of nested tubes 2, 3,...7
A bolt insertion hole is formed in the lower part of 7a, and a bolt 10 for attaching the footrest member is inserted therethrough, and the bolt 10 has a larger diameter on the base side and a spacer portion 11 is formed therein.
そして、足掛け部材８は突出部８ａの間に入れ
子管を挟むようにして入れ子管に係合させられ、
足掛け部材取付け用のボルト１０が、足掛け部材
のボルト挿通孔８ｄと、補強部材のボルト挿通孔
９ａを挿通し、ナツト１２と螺合することで、足
掛け部材８は入れ子管２，３，…７に固定され
る。このとき、ボルト１０はスペーサ部１１の端
面を補強部材９に当接させている。 Then, the footrest member 8 is engaged with the nested tube so as to sandwich the nested tube between the protrusions 8a,
The footrest member attachment bolt 10 passes through the bolt insertion hole 8d of the footrest member and the bolt insertion hole 9a of the reinforcing member, and is screwed into the nut 12, so that the footrest member 8 is attached to the nested tubes 2, 3,...7. Fixed. At this time, the bolt 10 brings the end face of the spacer portion 11 into contact with the reinforcing member 9.
足掛け部材を斯かる構造で入れ子管に取り付け
ることにより、第５図に示すように、足掛け部材
８にかかる垂直荷重Ｗに対し、突出部８ａにはf1
の力、また、ボルト１０にはf2の力が作用する。
突出部８ａに作用する力f1は、入れ子管の対向壁
面部２ｂで受けるため、ボルト１０に作用する力
f2は軽減され、よつて入れ子管の平面部２ａに及
ぼす剪断荷重が緩和されて入れ子管の変形が防止
できる。また、ナツト１２を締め付けても補強部
材９のウエブは、ボルト１０のスペーサ部１１の
端面で支持されるから、補強部材９の変形は防止
される。 By attaching the footrest member to the nested tube with such a structure, as shown in FIG.
In addition, a force f 2 acts on the bolt 10.
The force f 1 acting on the protruding portion 8a is received by the opposing wall portion 2b of the nested tube, so the force acting on the bolt 10 is
f 2 is reduced, and therefore the shearing load exerted on the flat portion 2a of the nested tube is alleviated, and deformation of the nested tube can be prevented. Further, even when the nut 12 is tightened, the web of the reinforcing member 9 is supported by the end face of the spacer portion 11 of the bolt 10, so that deformation of the reinforcing member 9 is prevented.
なお、図中８ｂは合成樹脂製の滑り止めカバー
を示し、このカバー８ｂは足掛け部材８に接着剤
で固定される。また、１３は足掛け部材８のナツ
ト挿入孔８ｃを閉塞するためのキヤツプである。 Note that 8b in the figure indicates a non-slip cover made of synthetic resin, and this cover 8b is fixed to the footrest member 8 with an adhesive. Further, 13 is a cap for closing the nut insertion hole 8c of the footrest member 8.
また、第４図に示すように、足掛け部材８は入
れ子管２，３，…７に固定されており、伸縮可能
な支持柱１が構成されることにより、不使用時に
は集合して収納し、非常時には該支持柱１が伸長
して避難路を形成する。 In addition, as shown in FIG. 4, the footrest members 8 are fixed to the telescopic tubes 2, 3, ... 7, and by forming the expandable support column 1, they can be stored together when not in use. In an emergency, the support column 1 is extended to form an evacuation route.
第６図は、本発明の避難装置を構成する足掛け
部材の他の実施例を示す。足掛け部材８はその取
り付け部において、入れ子管２，３，４，…７と
の間に補強材１４を介し固定されている。該補強
材１４は、入れ子管の平面部２ａ，３ａ，４ａ，
…７ａと対向壁面部２ｂ，３ｂ，４ｂ，…７ｂに
沿うように設けることで、入れ子管の強度を増加
させ、かつ、足掛け部材８との係合部分より広い
範囲に渡つて付設されることにより、足掛け部材
８の突出部８ａからの圧縮荷重を分散させ、対向
壁面部の変形を防止することができる。 FIG. 6 shows another embodiment of the footrest member constituting the evacuation device of the present invention. The footrest member 8 is fixed at its attachment portion to the nested tubes 2, 3, 4, . . . , with reinforcing members 14 interposed therebetween. The reinforcing material 14 covers the flat parts 2a, 3a, 4a,
...7a and the opposing wall surface parts 2b, 3b, 4b, ...7b to increase the strength of the nested tube, and to be attached over a wider range than the engagement part with the footrest member 8. Accordingly, the compressive load from the protruding portion 8a of the footrest member 8 can be dispersed, and deformation of the opposing wall surface portion can be prevented.
（発明の効果）
以上説明したように、本発明の避難装置によれ
ば、足掛け部材と入れ子管との固定は、ボルトと
これに螺合するナツトとにより容易かつ確実に行
われ、また、足掛け部材に突出部を設けること
で、入れ子管に対する荷重を分散させ、大きな荷
重にも耐えられる構造を成し、安全な避難路を提
供することができる。(Effects of the Invention) As explained above, according to the evacuation device of the present invention, the footrest member and the nested tube are easily and reliably fixed by the bolt and the nut screwed into the bolt. By providing the protrusion on the member, the load on the nested tube can be dispersed, a structure can withstand large loads, and a safe evacuation route can be provided.
第１図は、足掛け部材の取り付け構造の一実施
例の斜視図。第２図は、第１図の足掛け部材の取
り付け部分の横断面図。第３図は、第１図の足掛
け部材の取り付け部分の縦断面図。第４図は、本
発明の避難装置の一実施例の斜視図。第５図は、
足掛け部材にかかつた垂直荷重の影響を示す作用
図。第６図は、本発明の他の実施例の足掛け部材
の取り付け構造を表す横断面図。
１……支持柱、２，３，４，５，６，７……入
れ子管、８……足掛け部材、８ａ……突出部、９
……補強部材、１０……ボルト、１２……ナツ
ト。
FIG. 1 is a perspective view of an embodiment of a footrest member attachment structure. FIG. 2 is a cross-sectional view of the attachment portion of the footrest member shown in FIG. 1. FIG. 3 is a longitudinal cross-sectional view of the attachment portion of the footrest member shown in FIG. 1. FIG. 4 is a perspective view of an embodiment of the evacuation device of the present invention. Figure 5 shows
FIG. 3 is an action diagram showing the influence of a vertical load applied to a footrest member. FIG. 6 is a cross-sectional view showing an attachment structure for a footrest member according to another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Support column, 2, 3, 4, 5, 6, 7... Nested tube, 8... Footrest member, 8a... Projection part, 9
...Reinforcement member, 10...Bolt, 12...Nut.
Claims (1)
接して構成した伸縮可能な支持柱と、該支持柱に
その長手方向に適当間隔をおいて固定された複数
の足掛け部材とを有し、使用時には下方に伸長す
ることにより吊り下げ式のはしごを形成する避難
装置において、前記足掛け部材の側壁に一対の突
出部を間隔をおいて形成すると共に前記一対の突
出部の間にボルト挿通孔を形成し、前記入れ子管
の下方部位にボルト挿通孔を形成し、前記足掛け
部材の内部に断面コ字状の補強部材を配設し、前
記補強部材にボルト挿通孔を形成し、前記足掛け
部材の前記一対の突出部の間に前記入れ子管を挟
むようにして前記足掛け部材を前記入れ子管に係
合させ、前記各ボルト挿通孔に挿入したボルトと
前記ボルトに螺合するナツトによつて、前記入れ
子管と前記足掛け部材と前記補強部材とを一体的
に締結したことを特徴とする、避難装置。1. It has an extendable support column constructed by sequentially connecting a plurality of telescopic tubes in a telescopic manner, and a plurality of footrest members fixed to the support column at appropriate intervals in the longitudinal direction, and when in use, the In the evacuation device that forms a hanging ladder by extending, a pair of protrusions are formed at intervals on the side wall of the foothold member, and a bolt insertion hole is formed between the pair of protrusions, A bolt insertion hole is formed in a lower portion of the nesting tube, a reinforcing member having a U-shaped cross section is disposed inside the footrest member, a bolt insertion hole is formed in the reinforcing member, and the pair of footrest members are provided with a bolt insertion hole. The footrest member is engaged with the nested tube so that the nested tube is sandwiched between the protruding parts, and the nested tube and the footrest are connected by bolts inserted into the respective bolt insertion holes and nuts screwed into the bolts. An evacuation device characterized in that a member and the reinforcing member are integrally fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23451387A JPS63223289A (en) | 1987-09-18 | 1987-09-18 | Shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23451387A JPS63223289A (en) | 1987-09-18 | 1987-09-18 | Shelter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63223289A JPS63223289A (en) | 1988-09-16 |
| JPH0554559B2 true JPH0554559B2 (en) | 1993-08-12 |
Family
ID=16972202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23451387A Granted JPS63223289A (en) | 1987-09-18 | 1987-09-18 | Shelter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63223289A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338356A (en) * | 1995-06-13 | 1996-12-24 | Toshiba Corp | Rolling piston expander |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54129200U (en) * | 1978-02-28 | 1979-09-07 |
-
1987
- 1987-09-18 JP JP23451387A patent/JPS63223289A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63223289A (en) | 1988-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |