JPH0111905Y2 - - Google Patents
Info
- Publication number
- JPH0111905Y2 JPH0111905Y2 JP8698882U JP8698882U JPH0111905Y2 JP H0111905 Y2 JPH0111905 Y2 JP H0111905Y2 JP 8698882 U JP8698882 U JP 8698882U JP 8698882 U JP8698882 U JP 8698882U JP H0111905 Y2 JPH0111905 Y2 JP H0111905Y2
- Authority
- JP
- Japan
- Prior art keywords
- door
- floor
- opening
- cylinder device
- guide rod
- 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
Links
- 230000005484 gravity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Description
【考案の詳細な説明】
この考案は、荷を階上と階下との間で流通させ
るため、その間の床の開口部に施される床面扉の
開閉装置に関する。[Detailed Description of the Invention] This invention relates to an opening/closing device for a floor door installed in an opening in the floor between an upper floor and a lower floor, in order to allow cargo to flow between the upper and lower floors.
一端を枢着した床面扉をピストンシリンダ装置
で単に開閉するようにした従来の装置は、床面扉
の開放時その上に人がいたりすると階下へ落ちた
りする恐れがあつて危険である。 A conventional device in which a piston-cylinder device is used to simply open and close a floor door with one end pivotally connected is dangerous because if someone is on top of the door when the floor door is opened, there is a risk of the person falling downstairs.
この考案の床面扉の開閉装置は、前記の危険性
を除去するために提案されたもので、階上と階下
との間の床に設けた開口部に施された扉と、その
扉の底部に一端を枢着し床側の不動部分に他端を
枢着したピストンシリンダ装置と、前記扉の底部
に一端を枢着し床側の不動部分に設けた案内部材
で他端側を垂直に上下動させる案内杆とを備えた
ことを特徴とする。 The floor door opening/closing device of this invention was proposed to eliminate the above-mentioned danger. A piston-cylinder device with one end pivoted on the bottom and the other end pivoted on the stationary part on the floor side, and a guide member with one end pivoted on the bottom of the door and provided on the stationary part on the floor side, and the other end is vertically connected. It is characterized by being equipped with a guide rod that moves up and down.
以下図面に示した実施例に基いて説明する。 The following will explain the embodiments shown in the drawings.
第1図及び第2図において、1は階上Aと階下
Bとを仕切る床を示し、その床1には、荷を投げ
下ろすなどして荷を階上Aと階下Bとの間で流通
させるための開口部2が設けてある。3は前記開
口部2に施された床面扉で、開口部2の不使用時
は図示のように開口部2の内周部に設けた縁部2
aなどに定置される。扉3の底部には流体圧ピス
トンシリンダ装置4の一端4aが枢着してあつ
て、ピストンシリンダ装置4の他端4bは本装置
の主枠5など床側の不動部分に枢着してある。図
示例ではその他端4bは主枠5の両側板5a,5
aに張り渡されたコ字形横材5bに枢着してあ
る。5cはピストンシリンダ装置4の他端4bを
枢着するためのブラケツトで、前記横材5bに固
設されたものである。前記のピストンシリンダ装
置4は通常復動式のものが用いられる。 In Figures 1 and 2, 1 indicates the floor that separates the upper floor A and the lower floor B, and the floor 1 is used for distributing cargo between the upper floor A and the lower floor B, such as by throwing cargo down. An opening 2 is provided for this purpose. Reference numeral 3 denotes a floor door provided at the opening 2, and when the opening 2 is not in use, the edge 2 provided at the inner circumference of the opening 2 is opened as shown in the figure.
It is placed in a place such as a. One end 4a of a hydraulic piston cylinder device 4 is pivotally connected to the bottom of the door 3, and the other end 4b of the piston cylinder device 4 is pivotally connected to an immovable part on the floor side such as the main frame 5 of this device. . In the illustrated example, the other end 4b is the side plates 5a, 5 of the main frame 5.
It is pivotally connected to a U-shaped cross member 5b extending over the section a. Reference numeral 5c is a bracket for pivotally mounting the other end 4b of the piston cylinder device 4, and is fixed to the cross member 5b. The piston cylinder device 4 is normally of a double acting type.
6は1端6aを床面扉3の底部に枢着した案内
杆で、その他端6bには該案内杆6の上下動の下
限を定めるストツパ6cを有する。この案内杆6
の他端側6bは、上記のピストンシリンダ装置4
の伸縮に伴つて扉3が上下動すると、固定の案内
部材7の貫通孔7aに案内されて所定の範囲内を
上下に垂直に摺動する。前記の案内部材7は床側
の不動部分、例えば主枠5の両側板5a,5a間
に張り渡されたコ字形をなす支持部材5d,5d
などに固設してある。 Reference numeral 6 denotes a guide rod whose one end 6a is pivotally connected to the bottom of the floor door 3, and the other end 6b has a stopper 6c that defines the lower limit of the vertical movement of the guide rod 6. This guide rod 6
The other end side 6b is the piston cylinder device 4 described above.
When the door 3 moves up and down as it expands and contracts, it is guided by the through hole 7a of the fixed guide member 7 and vertically slides up and down within a predetermined range. The guide member 7 is an immovable part on the floor side, for example, a U-shaped support member 5d stretched between the side plates 5a, 5a of the main frame 5.
It is fixedly installed in etc.
前述のピストンシリンダ装置4及び案内杆6と
案内部材7とから成る垂直上下動装置は、実施例
においては、第1図に略示したように平面的に見
た扉3の左右両側の位置に対をなすようにそれぞ
れ設けてあるが、中央部に各1個設けても差し支
えない。 In the embodiment, the vertical movement device consisting of the piston cylinder device 4, the guide rod 6, and the guide member 7 described above is located at the left and right sides of the door 3 when viewed in plan, as schematically shown in FIG. Although they are provided in pairs, one of each may be provided in the center.
床面扉3は、第2図に示す閉鎖時からピストン
シリンダ装置4により開放動作される当初の段階
において、後に詳記するように、水平状態を保ち
つつ上昇するものである。そのため、扉3の重心
は扉3とピストンシリンダ装置4の一端(上端)
4aとの枢着ピン11より前方(図面において右
方)に位置させてあり、扉3の水平上昇時の間扉
3の下面は上記の各案内杆6の一端部(上端部)
6aに固定された制限部材12によつて支受され
る。各制限部材12はその下部で案内杆6の上端
部6aを抱持するようにして該上端部6aに固設
され、その上面部は扉3の下面と密着して支持で
きるように水平に形成されている。 The floor door 3 rises while maintaining a horizontal state, as will be described in detail later, from the time of closing shown in FIG. 2 to the initial stage of being opened by the piston cylinder device 4. Therefore, the center of gravity of the door 3 is at one end (upper end) of the door 3 and the piston cylinder device 4.
4a (to the right in the drawing), and when the door 3 is raised horizontally, the lower surface of the door 3 is located at one end (upper end) of each of the guide rods 6.
It is supported by a limiting member 12 fixed to 6a. Each restriction member 12 is fixedly attached to the upper end 6a of the guide rod 6 so as to hold the upper end 6a of the guide rod 6 at its lower part, and its upper surface is formed horizontally so that it can be closely supported by the lower surface of the door 3. has been done.
第2図に示すように、扉3の下面周辺には、ば
ね(図示しない)を介在させた複数本の吊杆8a
によつて安全装置8が弾性的に吊設されており、
扉3の閉作動中、扉3と床1の開口部2との間に
荷などの障害物が挾つた時、安全装置8が上動し
てその安全装置8内に内蔵したリミツトスイツチ
(図示しない)が作用して、ピストンシリンダ装
置4の動作が中断されるようにしてある。なお、
図中、符号9は床側の固定部分に設けたストツ
パ、符号10は扉3の底面に設けたストツパをそ
れぞれ示し、両ストツパ9,10によつて扉3は
所定の閉鎖位置に保持される。また、符号14
は、扉3の下面に一端を固定したガードパイプ
で、扉3の開放時に人が開口部2から落下するこ
とを防ぐためのものであり、これに掴つて安全を
保つことができる。 As shown in FIG. 2, a plurality of suspension rods 8a with springs (not shown) interposed around the bottom surface of the door 3
The safety device 8 is elastically suspended by the
During the closing operation of the door 3, when an obstacle such as a load is caught between the door 3 and the opening 2 of the floor 1, the safety device 8 moves upward and a limit switch (not shown) built into the safety device 8 is activated. ) acts to interrupt the operation of the piston cylinder device 4. In addition,
In the figure, the reference numeral 9 indicates a stopper provided on the fixed part on the floor side, and the reference numeral 10 indicates a stopper provided on the bottom of the door 3. Both stoppers 9 and 10 hold the door 3 in a predetermined closed position. . Also, code 14
is a guard pipe with one end fixed to the lower surface of the door 3, and is used to prevent a person from falling from the opening 2 when the door 3 is opened, and can be held onto this to maintain safety.
次に、この考案の床面扉の開閉装置の作動につ
いて説明する。 Next, the operation of the floor door opening/closing device of this invention will be explained.
第1図及び第2図の扉の閉鎖状態において、ピ
ストンシリンダ装置4に圧力流体が導入されてそ
れが伸長すると、固定の案内部材7に案内されて
案内杆6がそのストツパ6cで停止されるまで距
離lだけ上動する。扉3の重心は扉3とピストン
シリンダ装置4の枢着ピン11より前方に位置さ
せてあるので、この間、扉3は制限部材12で支
受されて水平状態を保つて上昇し、第3図に実線
で示した位置に至る。(第3図において、扉3の
下面に設けた安全装置8並びにストツパ9,10
は図示を省略してある。)
ここで、更にピストンシリンダ装置4が伸長す
ると、第3図に示すように、案内杆6の上動は案
内部材7の下部に当接したストツパ6cによつて
制限されているので、扉3は該扉3と案内杆6の
枢着ピン13を中心として矢印Pの範囲を揺動
し、鎖線で示す開放位置に至る。開放状態から閉
鎖状態に至る作動は、上記と全く逆であるから、
ここでは説明を省略する。 In the closed state of the door shown in FIGS. 1 and 2, when pressure fluid is introduced into the piston-cylinder device 4 and it expands, the guide rod 6 is guided by the fixed guide member 7 and stopped at its stopper 6c. Move up by a distance l to . Since the center of gravity of the door 3 is located in front of the pivot pin 11 of the door 3 and the piston cylinder device 4, during this time the door 3 is supported by the limiting member 12 and rises while maintaining a horizontal state, as shown in FIG. reaches the position shown by the solid line. (In Figure 3, the safety device 8 and stoppers 9 and 10 provided on the bottom surface of the door 3
are omitted from illustration. ) Here, when the piston cylinder device 4 further extends, as shown in FIG. pivots around the pivot pin 13 of the door 3 and the guide rod 6 in the range indicated by the arrow P, and reaches the open position shown by the chain line. Since the operation from the open state to the closed state is completely opposite to the above,
The explanation will be omitted here.
以上に説明したこの考案の床面扉の開閉装置に
よれば、床1の開口部2に施された扉3は、その
開動作において、一旦水平に上昇した後に揺動し
て開放するところとなるので、扉3上に仮に人が
乗つていたとしても容易に避けることができ、作
業の安全性の点で極めて有効である。殊に、扉3
の水平上昇時あるいは水平下降時の速度が揺動回
転時の速度よりも遅くされていることは、扉の開
閉時における人の危険や荷の噛み込みを未然に防
ぐことを可能にするものである。 According to the floor door opening/closing device of this invention described above, in the opening operation, the door 3, which is attached to the opening 2 of the floor 1, once rises horizontally and then swings to open. Therefore, even if someone is on the door 3, they can be easily avoided, which is extremely effective in terms of work safety. Especially door 3
The speed at which the door rises horizontally or descends horizontally is slower than the speed at which it swings and rotates, which makes it possible to prevent danger to people and objects getting caught when opening and closing the door. be.
第1図はこの考案の床面扉の開閉装置の平面
図、第2図はその縦断側面図、第3図は一部を省
略して示すその開放作動時における縦断側面図で
ある。
1……床、2……開口部、3……扉、4……ピ
ストンシリンダ装置、6……案内杆、7……案内
部材、A……階上、B……階下。
FIG. 1 is a plan view of the floor door opening/closing device of this invention, FIG. 2 is a longitudinal side view thereof, and FIG. 3 is a longitudinal side view of the opening/closing device with some portions omitted. 1... Floor, 2... Opening, 3... Door, 4... Piston cylinder device, 6... Guide rod, 7... Guide member, A... Upstairs, B... Downstairs.
Claims (1)
に施された扉3と、その扉3の底部に一端4aを
枢着し床側の不動部分に他端4bを枢着したピス
トンシリンダ装置4と、前記扉3の底部に一端6
aを枢着し床側の不動部分に設けた案内部材7で
他端側6bを垂直に上下動させる案内杆6とを備
えた床面扉の開閉装置。 Opening 2 in floor 1 between upstairs A and downstairs B
a piston-cylinder device 4 having one end 4a pivotally connected to the bottom of the door 3 and the other end 4b pivotally connected to an immovable part on the floor side;
A door opening/closing device for a floor surface door, which is equipped with a guide rod 6 which is pivotably mounted on the guide rod 6 and which moves the other end 6b vertically up and down with a guide member 7 provided on an immovable part on the floor side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8698882U JPS58188475U (en) | 1982-06-11 | 1982-06-11 | Floor door opening/closing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8698882U JPS58188475U (en) | 1982-06-11 | 1982-06-11 | Floor door opening/closing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58188475U JPS58188475U (en) | 1983-12-14 |
JPH0111905Y2 true JPH0111905Y2 (en) | 1989-04-07 |
Family
ID=30095741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8698882U Granted JPS58188475U (en) | 1982-06-11 | 1982-06-11 | Floor door opening/closing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58188475U (en) |
-
1982
- 1982-06-11 JP JP8698882U patent/JPS58188475U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58188475U (en) | 1983-12-14 |
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