JP6807103B2 - Wall storage stage - Google Patents

Description

The present invention relates to a wall storage stage that is stored upright in a hangar recessed in the wall.

As a stage that has been installed in gymnasiums and various halls, a wall storage stage that can be stored upright in a hangar recessed in the wall by standing up and deforming the stage to make effective use of the place when not in use can be seen (for example). See Patent Document 1).

In this wall storage stage, the front legs and the rear legs with wheels are rotatably connected to the left and right side plates of the floor plate, and an electric wire winch is installed in the front of the hangar to connect the wires to the lower part of the front legs. The guide rollers are connected to the rear legs, and the guide rollers are projected on the left and right sides of the front legs so that the guide rollers can run in the guide rails embedded in the side walls of the hangar. When installed and stored in the stage, the wire is strongly stretched by winding and rotating with the winch, pushing up the idle roller, the front leg rises and the floor plate is initially tilted forward, and then the wire pulls the rear leg forward. The floor board is erected upright and the stage is stored in the hangar.

Further, Patent Document 2 discloses a foldable storage type stage in which the stage can be folded and deformed and stored when not in use, and the stage has elevating legs and front and rear legs in a central connecting portion obtained by dividing the floor plate into two. The floor plate is supported by the installation legs of the above, and the elevating legs are raised to fold the floor plate. In the same manner as above, the elevating legs are raised using the electric wire winch and the idle roller provided below the elevating legs. The floor board is folded and deformed to store the stage in the vault.

Jikkenhei 6-21700 Utility Model Registration No. 2515974

However, when the electric wire winch is used, the equipment cost is high and the maintenance is also required, which has a problem that the maintenance is troublesome and time-consuming.

Therefore, an object of the present invention is to provide a wall-mounted storage stage that can be installed at low cost with a simple configuration without using an electric wire winch, and can be deformed with a light force and stored in a hangar.

In view of the above problems, the wall storage stage of the present invention is provided with a front bundle pillar that is vertically fixed on the floor surface of the vault recessed in the wall and wheels that can move back and forth at the same height as the front bundle pillar. The rear bundle pillars are arranged so as to face each other, and the base ends of the front and rear large pulls that can be raised horizontally and upright are pivotally attached to the upper parts of the front and rear bundle pillars, and the front and rear large pulls are intermediate bundles. By connecting the columns flexibly and extendably through the hanging connecting part, the intermediate bundle columns are landed on the floor surface by extending the front and rear large pulls horizontally, and the floor board is horizontal on the front and rear large pulls. It is transformed into the placed stage, and the front and rear large pulls in the extended state can be accommodated in the vault in the upright state of the floor board bent in half, and the drum is urged in the winding direction on the front bundle pillar side. placed freely winding feeding a constant force spiral spring which is wound up so as, coupling the spring while Sendori idle roller provided on its place in a landing state of the intermediate beam column, a spring tip backwards Tababashira side It is characterized by having done it.
Further, in the wall storage stage, the rear bundle pillar is arranged parallel to the front bundle pillar in the left-right direction, the rear pull is set longer than the front pull, and the tip of the front pull and the rear large corresponding to the tip are set. The parts near the tip of the pull are connected to each other in a state of being parallel to each other so as to be bendable and stretchable via the connecting portion, a floor plate having a depth corresponding to the length is provided for the rear pull, and the rear pull is provided for the front pull. In the horizontally extended state with, a separate floor plate that is continuous on the same plane as the floor plate is provided at the front end of the floor plate, and the front and rear large pulls are bent in half and each floor plate is folded and deformed back to back. It is characterized in that it can be accommodated in the vault in the state.
Alternatively, in the wall storage stage, the rear bundle pillar is arranged parallel to the front bundle pillar in the left-right direction, the rear pull is set longer than the front pull, and the tip of the front pull and the rear large corresponding to the tip are set. The intermediate part of the pull is connected to each other in a left-right parallel state so as to be bendable and stretchable via the connecting part, and a floor plate having a depth corresponding to the length is provided for the rear pull, and the front pull and the rear pull are divided into two. It is characterized in that it can be accommodated in the hangar in an upright state of the floor board bent in a fold.
Alternatively, in the wall storage stage, the front bundle pillar and the rear bundle pillar are arranged facing each other, the front pull and the rear pull are set to have the same length, and the tips of both pulls can be bent and stretched via the connecting portion. In the state of connecting, the front and rear large pulls are provided with a floor plate having a depth corresponding to the length, and the front large pull and the rear large pull are bent in half and the floor plates are folded back to back and deformed. It is characterized by being able to be accommodated in the hangar.

In short, since the present invention has the above configuration, when the floor plate is deformed, the constant load spiral spring is gradually fed out against the winding force of the floor plate, so that the floor plate suddenly collapses and the stage installation surface (floor). It is safely transformed into the stage without causing an impact on the surface), and eventually the idle roller pushes the constant load spiral spring downward against its urging force, and the intermediate bundle pillar lands. The floor board is in a horizontal state to form the stage.
In addition, when the rear end of the floor plate is lifted a little when the stage is stowed and deformed, the constant load spiral spring in the feeding state is strongly pulled back and pushes up the idle roller, so that the intermediate bundle pillar rises and the heavy floor plate is raised in the upright direction. It assists the lifting force and allows the stage to be smoothly upright and deformed with a light force, and then the constant load spiral spring pulls the rear bundle column forward, so that the floorboard can stand upright and maintain its upright state. ..
Therefore, according to the present invention, even if the floor plate is manually tilted and rotated, the floor plate is safely deformed to the stage without rapidly falling due to the elasticity of the constant load spiral spring, and the constant load spiral spring is in a horizontal state. Since the floor plate is urged in the upright direction to the extent that it does not interfere with the use of the stage, the initial operation for standing the floor plate can be easily performed, and the floor plate can be uprighted by the constant load spiral spring that is continuously urged thereafter. , The upright storage state can be maintained, the stage can be smoothly deformed with a light force without using a winch as in the past, and since it has a simple configuration as described above, it can be installed at low cost. It's huge.

It is a side view of the wall storage stage. It is a partially broken plan view which omitted the floor board and the joist. FIG. 2 is a sectional view taken along the line AA of FIG. It is sectional drawing which partially omitted BB of FIG. FIG. 2 is a cross-sectional view taken along the line CC of FIG. FIG. 3 is a cross-sectional view taken along the line DD of FIG. It is sectional drawing of EE of FIG. FIG. 5 is a sectional view taken along line FF of FIG. It is a side view of the stage being transformed. It is a side view of the stage which shows the wall storage state. It is a top view which omitted or broken a part which shows the 1st deformation example of a wall storage stage. Same as above It is a side view of the stage showing the wall storage state. It is a top view in which a part of the second modification of the wall storage stage is omitted or broken. Same as above It is a side view of the stage showing the wall storage state.

The wall storage stage 1 according to the present invention includes a front bundle pillar 2 fixed upright on the floor surface f of the storage H recessed in the wall W of the stage installation room R with anchor bolts, and the rear of the front bundle pillar 2. At the same height as this, the base ends of the front and rear large pulls 4 and 5 that can be raised and lowered in the horizontal state and the upright state on the upper part of the rear bundle pillar 3 that is provided with wheels 3b so that it can move back and forth and are arranged facing each other. The front and rear large pulls 4 and 5 are stretched horizontally by connecting the front and rear large pulls 4 and 5 flexibly and extendably via a connecting portion 7 in which the intermediate bundle pillar 6 is hung down. The intermediate bundle pillar 6 is landed on the floor surface f and transformed into a stage in which the floor plates 8 and 8a are horizontally arranged on the front and rear large pulls 4 and 5, and the front and rear large pulls 4 and 5 in the extended state are connected. The floor plates 8 and 8a bent in half via the portion 7 can be accommodated in the storage H in an upright state.

As shown in FIG. 2, six front and rear bundle pillars 2, 3 (hereinafter, also referred to as bundle pillars 2, 3) are arranged upright at predetermined intervals in the lateral hand (left and right) direction, and correspond to each other in the front and rear directions. The bundle pillars 2 and 3 are arranged in parallel (mismatch) in the left-right direction, and the adjacent front bundle pillars 2 and the rear bundle pillars 3 are connected by bindings 9, 9a and 9b at the upper, middle and lower stages. The bindings 9, 9a and 9b are integrated with the front and rear bundle columns 2 and 3 (see FIGS. 3 and 5).
A curtain plate 3c is erected between the rear end faces of the rear bundle pillars 3 on the left and right side edges.

In addition, six intermediate bundle pillars 6 are erected in front of the rear bundle pillar 3 in the middle of the bundle pillars 2 and 3, and the upper and lower stages of the adjacent intermediate bundle pillars 6 are tied together 10. They are integrally connected at 10a (see FIGS. 2 and 4).
The lower binding 9b of the front bundle pillar 2 and the lower binding 10a of the intermediate bundle pillar 6 and the lower binding 9b of the rear bundle pillar 3 and the lower binding 10a of the intermediate bundle pillar 6 are arranged at predetermined intervals, respectively. Are pivotally connected by four connecting rods 11.

Further, the rear large pull 5 (hereinafter, also referred to as the large pull 5) pivotally attached to the rear bundle pillar 3 is longer than the front large pull 4 (hereinafter, also referred to as the large pull 4) pivotally attached to the front bundle pillar 2. It is set.

As a result, in the horizontal state of the front and rear large pulls 4, 5, the front and rear bundle columns 2, 3 project at right angles to the upper portions of the inward surfaces 2a, 3a, and in the vertical state, the front and rear bundle columns 2, 3 It is configured to stand upright on the upper end surface (see FIGS. 2, 3, 5, 6, and 8).
Then, the tip of the front pull 4 and the portion near the tip of the rear pull 5 corresponding to the tip are connected to each other so as to be bendable and stretchable in a left-right parallel state.

The portion of the rear pulling 5 near the tip is pivotally attached to the tip of the bracket 6a in which a pair of tongue pieces are projected rearward from the left and right of the upper end of the intermediate bundle pillar 6, and the intermediate bundle pillar 6 is formed between the left and right tongue pieces of the bracket 6a. It is rotatable so that it can be inserted and removed at a right angle to the other, and the intermediate bundle pillar 6 is below the tip of the rear large pull 5 which is in the middle of the bundle pillars 2 and 3 in the horizontal state of the rear large pull 5. It projects at a right angle to the land and is connected to the rear large pull 5 via the bracket 6a so as to be parallel to the rear large pull 5 in an upright state of the rear large pull 5.

The tip of the front large pull 4 is pivotally connected to a bracket 12 projecting horizontally on a surface facing the front bundle pillar 2 in the binding 10 between the intermediate bundle pillars 6 (see FIGS. 2, 4, and 7).

Here, the bracket 12, the upper end of the intermediate bundle column 6 (bracket 6a), and the binding 10 formed by integrally connecting these form a connecting portion 7 for bending and extending the front and rear large pulls 4 and 5.

Then, the rear large pull 5 is provided with a plurality of horizontally long rectangular floor plates 8 having a depth corresponding to the length via the joists 13 arranged in parallel on the front and back of the back surface thereof, and the front large pull 4 is provided with the rear large pull 5. In the horizontally extended state, a plurality of separate floor plates 8a having the same width as the floor plate 8 and having a continuous predetermined depth on the same plane are provided at the front end of the floor plate 8 via joists 13 arranged in parallel on the front and back of the back surface in the same manner as described above. There is.
In FIG. 2, floor plates 8 and 8a are shown by alternate long and short dash lines for convenience of explanation, and joists 13 are omitted for convenience of explanation.

With this configuration, the stage 1 is at the uppermost end in a state where the front large pull 4 and the rear large pull 5 are bent in half at the connecting portion 7 and the floor plates 8a and 8 are folded and deformed back to back. The ceiling height of the hangar H is set corresponding to the front end of the floor plate 8, and the floor plate 8 is located on the same vertical surface as the wall surface W at the upper end of the opening of the hangar H to close the opening. It can be accommodated inside (see Fig. 10).

In this embodiment, the tip of the front pull 4 and the portion near the tip of the rear pull 5 corresponding to the tip are connected to each other in a state of being parallel to each other so as to be bendable and stretchable via the connecting portion 7, and the rear pull 5 is connected. Is provided with a floor plate 8 having a depth corresponding to the length thereof, and the front large pull 4 is provided with a separate floor plate 8a which is continuous on the same plane as the floor plate 8 at the front end of the floor plate 8 in a horizontally extended state with the rear large pull 5. The stage 1 is shown in which the front large pull 4 and the rear large pull 5 are bent in half and the floor plates 8a and 8 are folded back to back and deformed so that they can be accommodated in the hangar H. However, it may be the stage 1 having the configuration described later.
In the stage 1 shown below, the same reference numerals are given to the drawings for the same or corresponding parts as above, and the description thereof will be omitted.

That is, in the first modification of the stage 1 shown in FIGS. 11 and 12, the tip of the front pull 4 and the intermediate portion of the rear pull 5 corresponding to the tip are connected to each other in a left-right parallel state via the connecting portion 7. The rear large pull 5 is provided with a floor plate 8 having a depth corresponding to the length thereof, and the front large pull 4 and the rear large pull 5 are bent in half and stored in an upright state. It can be accommodated in H.

Further, in the second modification of the stage 1 shown in FIGS. 13 and 14, the front bundle pillar 2 and the rear bundle pillar 3 are arranged facing each other, the front large pull 4 and the rear large pull 5 are set to have the same length, and the front is set. The tips of the rear large pulls 4 and 5 are connected to each other so as to be bendable and stretchable via the connecting portion 7, and the front and rear large pulls 4 and 5 are provided with floor plates 8a and 8 having a depth corresponding to the length thereof. The large pull 4 and the rear large pull 5 are bent in half, and the floor plates 8a and 8 are folded back to back and deformed so that they can be stored in the hangar H.
In this modified example, the tips of the front and rear large pulls 4 and 5 are pivotally attached to the brackets 6a projecting in front of and behind the upper end of the intermediate bundle pillar 6 in the connecting portion 7.

Each stage 1 having the above configuration is equipped with a switch 14.
A plurality of these switches 14 are installed depending on the size of the stage 1 (two locations on the left and right of the stage 1 in the illustrated example) so as to urge the drum 15 in the winding direction on the middle-stage binding 9a of the front bundle pillar 4. A wound constant-load spiral spring (hereinafter, simply referred to as a spring) 16 is unwound and installed so as to be freely wound , and the spring 16 is placed in a landing state of the intermediate bundle column 6 via a bracket 17a under the lower tie-through 10a. The tip of the spring 16 is connected and fixed by pressing the tip of the spring 16 against the upper surface of the upper tie-through 9 of the rear bundle pillar 5 with the support plate 18 and tacking the idle roller 17 provided in a suspended shape.

In each of the above embodiments, as a matter of course, an electric wire winch (not shown) may be installed as in the conventional case, and the power of the winch may be assisted by the switch 14. In this case, Can make the electric motor, which is the power source of the winch, smaller than before.

In the wall storage stage 1 configured as described above, when the front large pull 4 and the rear large pull 5 are bent in half at the connecting portion 7, the curtains are as shown in FIGS. 10, 12, and 14. The floor plate 8 standing upright on the plate 3c is located on the same vertical plane as the wall surface W at the upper end of the opening of the hangar H, closes the opening, and the stage 1 is housed in the hangar H.

In such a state, the rear bundle pillar 3 is pulled so as to be located in the front hangar H by the urging force of the spring 16 of the switch 14, and the stored state of the stage 1 is maintained.

In order to transform the stage 1 from the wall-mounted state to the stage, the curtain plate 3c is pulled out from the hangar H together with the floor plate 8 to the rear of the outside against the urging force of the spring 16, and the large pulls 4 and 5 are tilted.

At this time, the spring 16 is gradually extended while resisting the winding (urging) force due to the lodging of the floor plates 8 and 8a, so that the floor plates 8 and 8a suddenly fall and cause an impact on the stage installation surface f. The idle roller 17, which is safely transformed into the stage without any problem, and descends together with the intermediate bundle pillar 6, eventually comes into contact with the upper surface of the spring 16, and then lowers the spring 16 against its urging force to still descend. When the intermediate bundle pillar 6 lands on the floor surface f, the floor plates 8 and 8a are in a horizontal state to form the stage 1.

Therefore, even if the floor plates 8 and 8a are manually tilted and rotated, the floor plates do not fall down rapidly due to the elasticity of the spring 16 and can be safely deformed into the stage.

The spring 16 is set so as to urge the floor plates 8 and 8a in the horizontal state in the standing direction to the extent that the use of the stage is not hindered, and the initial operation for manually standing the floor plates 8 and 8a is easy. It is made so that it can be done.

Therefore, when the rear end of the floor plate 8 is lifted a little when the stage 1 is deformed, the spring 16 in the extended state is strongly pulled back and pushes up the idle roller 16, so that the intermediate bundle pillar 6 rises and the heavy floor plate 8 , 8a assists the force to lift in the upright direction, and the stage 1 can be smoothly upright and deformed with a light force, and then the spring 16 pulls the rear bundle pillar 3 forward, so that the floor plates 8, 8a It can stand upright and maintain its upright state, and the stage 1 is housed in the vault H as described above.

1 (Wall storage) Stage 2 Front bundle pillar 3 Rear bundle pillar
3b Wheels 4 Front large pull 5 Rear large pull 6 Intermediate bundle pillar 7 Connection part 8 Floor board
8a floorboard
15 drums
16 (constant load swirl) spring
17 Idle roller f Floor surface H Hangar W Wall

Claims (4)

The front bundle pillar, which is fixed upright on the floor of the vault recessed in the wall, and the rear bundle pillar, which is at the same height as the front bundle pillar and has wheels that can move back and forth, are arranged so as to face each other. The base ends of the anterior and posterior pulls that can be raised horizontally and upright are pivotally attached to the upper part of the bundle column, and the anterior and posterior pulls are connected flexibly and extendably via a connecting portion that hangs the intermediate bundle column. By doing so, the front and rear large pulls are extended horizontally to land the intermediate bundle pillar on the floor surface and transform it into a stage in which the floor boards are horizontally arranged on the front and rear large pulls, and the front and rear in the extended state. A constant-load swirl spring wound on the front bundle pillar side so as to urge the drum in the winding direction in a wall storage stage where the floor plate, which is bent in half, can be stored in the storage in an upright state. The wall storage stage is characterized in that the spring is installed so that it can be unwound and wound freely , and the spring is infiltrated into an idle roller provided under the intermediate bundle pillar in a landing state, and the tip of the spring is connected to the rear bundle pillar side. .. The rear bundle pillar is arranged parallel to the front bundle pillar in the left-right direction, the rear pull is set longer than the front pull, and the tip of the front pull and the portion near the tip of the rear pull corresponding to the tip are set. They are connected to each other in a state of being parallel to each other so as to be bendable and extendable via a connecting portion, and a floor plate having a depth corresponding to the length is provided for the rear pull, and the floor plate is horizontally extended with the rear pull for the front pull. A separate floor plate that is continuous on the same plane as the floor plate is provided at the front end of the floor plate, and the front floor plate and the rear floor plate can be bent in half and each floor plate can be folded and deformed back to back and stored in the storage. The wall storage stage according to claim 1, wherein the wall storage stage is characterized in that. The rear bundle pillar is arranged parallel to the front bundle pillar in the left-right direction, the rear pull is set longer than the front pull, and the tip of the front pull and the intermediate part of the rear pull corresponding to the tip are mutually. The floor board is connected so that it can be bent and stretched through the connecting part in a parallel state to the left and right, and a floor plate with a depth corresponding to the length is provided for the rear large pull, and the front large pull and the rear large pull are bent in half. The wall storage stage according to claim 1, characterized in that it can be stored in the hangar in an upright state. The front bundle pillar and the rear bundle pillar are arranged facing each other, the front pull and the rear pull are set to have the same length, and the tips of the front and rear pulls are connected to each other so as to be bendable and stretchable via a connecting portion. For the rear large pull, a floor plate with a depth corresponding to the length is provided, and the front large pull and the rear large pull are bent in half, and each floor plate is folded back and deformed and stored in the hangar. The wall storage stage according to claim 1, wherein the wall storage stage is characterized in that it is possible.

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