JPH1181727A - Movable viewing stand - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate fabrication of a movable viewing stand at a site, and to make bracket members and floor members respectively usable in common to floor bases at every tier. SOLUTION: The present movable viewing stand is in a structure wherein floor bases 1 in a plurality of tiers, leg members 2 for supporting floor bases 1, and a plurality of chairs respectively mounted on each of the floor bases 1 are provided, and each of the floor bases 1 is equipped with batten members 4 extending horizontally rightward and leftward from the chair, a plurality of bracket members 5 connected respectively at their rear ends to a plurality of positions provided at the batten member 4 in its longitudinal direction with intervals provided and projecting horizontally from the batten member 4 to the front side of the chair, and floor members extended over the bracket members 5 in plural numbers while each of the leg members 2 is equipped with a plurality of supports 10 connected respectively at their upper ends to positions in plural numbers at the batten members 4 and extending downward from the batten members 4, a plurality of foot members 11 connected respectively at parts near their rear ends to the lower ends of the supports 10 and extending in parallel with the bracket members 5, and moving rollers 12 provided respectively at the front end and the rear end of each of the foot members 11. Then, all of the bracket members 5 in plural numbers are connected directly to the batten members 4 without depending on the supports 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a multi-stage floor base, on which a plurality of chairs are respectively mounted, in a horizontal state between an advanced position in which steps are shifted from each other and a retracted position which is vertically aligned with each other. The present invention relates to a telescopic movable seat that can be moved as it is, and particularly to a structure of a floor stand.

[0002]

2. Description of the Related Art As the conventional movable seats as described above, for example, those shown in FIGS. 4 to 7 are known. As shown in FIG. 6, the movable seat has a plurality of floors 1 and
And a leg 2 for supporting each of the floor bases 1 so as to be movable in a horizontal state, and as shown in FIG. It has an armchair 3.

Here, as shown in FIGS. 4 and 7, each floor 1 is made of a penetrating member (beam member) 4 made of a lip groove type steel material extending horizontally in the left-right direction of the chair 3, and the penetrating member. And a plurality of arm members 5 each having a rear end connected to a plurality of portions spaced apart in the longitudinal direction of the arm member 4 and projecting horizontally from the penetrating member 4 in the forward direction of the chair. As shown in the perspective view of FIG. 5 (a) and the sectional view of FIG. 5 (b), two types of elongated floor panels 6 and 7 made of a steel plate as floor materials stretched over the arm members 5 are provided. , A ladder-shaped chair support frame 8 and a connecting member 9 disposed at the front end, and each leg 2 is provided at two locations spaced apart in the longitudinal direction of the penetrating member 4. Two struts 9 joined together at their upper ends and extending downwardly from the piercing material 4;
Two leg members 11 connected to the lower end portion near the rear end portion and extending in parallel with the arm member 5, and moving rollers provided at the front end portion and the rear end portion of the leg material 11, respectively. 12 and a brace material 13 which is arranged at an angle to reinforce the column 10 and whose upper and lower ends are respectively connected to the penetrating member 4 and the lower end of the column 10.

[0004] In this movable seat, the length of the plurality of columns 10 is different for each floor platform 1 by the step difference between the floor platforms, and the upper ends of the plurality of columns 10 are connected to each other. Since the parts of the material 4 are slightly shifted from one floor base 1 to another, the plurality of floor bases 1 are vertically aligned with each other at the advanced position where the floor bases 1 are displaced stepwise from each other as shown in FIGS. It can be driven and moved by a floor base driving device (not shown) in a horizontal state between the retracted positions. Each chair 3 is driven by a chair driving mechanism (not shown), and when the floor base 1 moves to the retreat position, the chair 3 falls forward to a horizontal position along the floor panels 6 and 7, and the floor base 1 advances. When moving to the position, the user rises to the use position shown in FIG.

[0005]

However, in such a conventional movable spectator seat, two of the arm members 5 are integrally connected to the columns 10 by welding, respectively, and the columns 10 are joined together.
Are connected to the penetrating member 4 through the
Is slightly different for each floor 1, so that the distance between the two arm members 5 connected to the columns 10 is different for each floor 1. For this reason, it is structurally impossible for the above-mentioned conventional movable seat to adopt a setup in which the floor stand 1 and the support 10 are separately assembled in a factory and assembled on site when assembling the whole. Therefore, there was an inconvenience that assembling on site requires time and effort.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to provide a moving spectator which advantageously solves the above-mentioned problems, and the moving spectator of the present invention has a plurality of stages. And a plurality of chairs mounted on each of the floors, and each of the floors is provided with a plurality of chairs mounted on the respective floors. A piercing member extending horizontally in the left-right direction, and a plurality of members having rear ends joined to a plurality of portions spaced apart in the longitudinal direction of the piercing member and projecting horizontally from the piercing member in the front direction of the chair. Arm material, and a floor material stretched over the plurality of arm materials, wherein the legs are respectively connected at their upper ends to the plurality of portions of the piercing material, and A plurality of pillars extending downward, and the pillars are connected to the lower ends of the pillars in the vicinity of the rear ends, respectively. It has a plurality of leg members extending parallel to the arm member, and a transfer roller provided at each of a front end and a rear end of the leg member, and the length of the plurality of columns is set at the floor. The difference between the steps differs from floor to floor, and
The portions of the penetrating material to which the upper ends of the plurality of pillars are joined are slightly shifted for each of the floors, so that the floors of the plurality of stages are vertically aligned with each other at an advanced position where they are displaced stepwise from each other. In a telescopic movable seat that can move in a horizontal state between the retracted position and the retractable position, all of the plurality of arm members are directly connected to the penetrating member without passing through the pillar members. It is characterized by the following.

[0007] When the movable seat is assembled, all of the plurality of arm members are directly connected to the penetrating members without passing through the support columns. The rear ends of a plurality of arm members are respectively connected to a plurality of portions spaced apart in the longitudinal direction of the existing piercing material so as to protrude horizontally from those portions in the front direction of the chair, and the plurality of arms are provided. Each flooring is constructed by stretching the flooring on the flooring, and a plurality of chairs are installed on the flooring, separately from it, near the rear end of the leg material at the lower end of each pillar And a moving roller is provided at the front and rear ends of the leg material to form the legs, and the floor is combined with the legs at the site to assemble the entire moving seat. It becomes possible. Therefore, according to the movable seat of the present invention, the assembling work on site can be performed easily and in a short time.

[0008] Moreover, in the mobile seat of the present invention,
Since all of the plurality of arm members are directly connected to the penetrating members without passing through the support columns, it becomes possible to use all of the plurality of arm members as a common part, and to use the floor member as an arm member. It is possible to make the pitch of the mounting holes common among the plurality of floor stands. Therefore, according to the movable seat of the present invention, the productivity of the arm member and the floor member can be increased.

In the present invention, a plurality of the moving rollers may be provided at the front end and the rear end of the leg material, respectively, in a row in the extending direction of the leg material. In the conventional moving seats, from the viewpoint that the load from the floor is mainly received near the rear end of the leg material, there is only one moving roller provided at the front end of the leg material. If there is a joint on the floor to be moved forward and backward, there is a problem that the roller falls down and the movement resistance increases, but as described above, the moving roller is attached to the front end and the rear end of the leg material. If a plurality of rollers are arranged side by side in the direction of presence, even if one roller at the front end or the rear end comes to the joint position, the other roller at the front end or the rear end is supported on the floor and Since the roller is prevented from dropping into the joint, the movement resistance can be prevented from increasing.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. Here, FIG. 1 is a perspective view showing one embodiment of the movable viewing seat of the present invention, omitting floor materials and chairs, and FIG. 2 is an exploded perspective view showing a method of assembling the moving viewing seat of the embodiment. FIG. 3 (a) is a cross-sectional view along the longitudinal direction of the arm member, showing a mounting structure of the arm member to the penetrating member of the moving auditorium of the embodiment, and FIG. 3 (b) shows the mounting structure. The rear view as viewed from the direction of arrow B in FIG.
FIG. 4D is a front view showing the mounting structure, viewed from the direction of arrow C in FIG. 5A, and FIG. 5D is an exploded perspective view showing the structure of the arm member mounting bracket in the mounting structure, and FIG. )
FIG. 3 is an exploded perspective view showing the structure of the rear end of the arm member, and the same parts as those in the conventional example are denoted by the same reference numerals.

FIG. 1 shows only two stages of movable seats in the above embodiment. The movable seats also include a plurality of floors 1 and each of the floors 1 in a horizontal state. 2 and a plurality of seat-standing upright chairs 3 mounted on each floor 1 as shown in FIG. (Not shown in FIG. 1).

As shown in FIG. 1, each floor base 1 also has a penetrating member 4 extending horizontally in the left-right direction of the chair 3 as shown in FIG. A plurality of arm members 5 each having a rear end connected to a plurality of spaced portions and projecting horizontally from the penetrating member 4 in the front direction of the chair, and as shown in FIG. As shown in FIG. 5 (a) as a perspective view and FIG. 5 (b) as a cross-sectional view, two types of elongated floor panels 6, 7, a ladder-like chair support frame 8, and a connecting member 9 arranged at the front end.

In this embodiment, however, the penetrating member 4 is provided with a structure as shown in FIGS. 2 and 3 in order to increase the torsional rigidity in order to prevent the tip end of the arm member 5 which is not integrally connected to the column from falling as described later. It is made of a square steel pipe as shown in FIG.
The arm member 5 is flattened with a lower member 5a formed by bending a steel plate into a groove shape as shown in FIGS. 3 (a) to 3 (c) and (e) in order to increase the bending rigidity so as to prevent the tip portion from falling. It is made by welding and joining the upper member 5b of a simple steel plate. A needle punch carpet 14 is laid on the floor panels 6 and 7 as shown in FIG.

As shown in FIG. 1, each of the legs 2 has an upper end connected to two portions of the penetrating member 4 which are spaced apart in the longitudinal direction, and extends downward from the penetrating member 4. Two pillars 10 consisting of existing square steel pipes, and those pillars 10
Two leg members 11 each having a substantially U-shaped cross-section, each of which is connected to a lower end portion near a rear end portion thereof and extends substantially parallel to the arm member 5, and front and rear end portions of the leg members 11 And a roller 12 for movement, which is provided on each side, and is disposed at an angle to reinforce the column 10, and the upper and lower ends are formed with the penetrating member 4 and the column.
A brace member 13 made of a square steel pipe is connected to a lower end portion of the brace 10.

In this embodiment, a plurality of arm members 5 are used.
Are directly connected to the penetrating member 4 without passing through the column member 10. That is, as shown in FIGS. 2 and 3, a bracket 15 is welded onto the upper member 5b of the rear end of the arm member 5, and the bracket 15 is assembled from a steel plate. The arm material mounting bracket 16
Is fixed to the penetrating member 4 with two bolts 17, whereby each arm member 5 is connected to the penetrating member 4, and the rear end portion of the arm member mounting bracket 16 (the right end portion in FIG. 3A). Is a stopper bolt 18 for defining the swing limit position of the arm member 5 and extending the arm member 5 horizontally.
Is provided so that the amount of downward projection can be adjusted, and an arm supporting roller 19 is provided on the step of the arm member mounting bracket 16 so that the upper arm 5 can be movably supported. It is provided in. In addition, at the front end of the arm member mounting bracket 16, one of the two bolts 17 is welded and fixed, and a nut 20 screwed with the other bolt 17 is welded and fixed. The attachment of the arm member 5 to the penetrating member 4 is easy.

On the other hand, the upper end of the column 10 is
It is connected and fixed by two bolts 17 in the same manner as the arm material mounting bracket 16, and the upper end of the brace material 13 is connected to a box-shaped brace material mounting bracket 21 by one bolt 22, and The brace material mounting bracket 21 is fixed to the penetrating member 4 by two bolts 17 in the same manner as the arm material mounting bracket 16. The lower end of the brace 13 is connected to the lower end of the column 10 with a single bolt 22. The arm member mounting bracket 16, the upper end of the column 10 and the brace member mounting bracket 21 are respectively fixed by bolts 17.
Each of the parts is inserted into the penetrating member 4 and has its bolt 17
And a fixing plate 24 that is welded to the side surface of the penetrating member 4 to fix the round steel tube 23 in the penetrating member 4 and reinforce the side surface of the penetrating member 4.

Further, here, as shown in FIG. 1, two moving rollers 12 are arranged at the front end and the rear end of the leg material 11, respectively, in the direction in which the leg material 11 extends. Have been.

Also in this movable seat, the length of the plurality of columns 10 differs by the step difference between the floors for each floor 1, and the upper ends of the plurality of columns 10 are connected. The portions of the material 4 are slightly shifted from one floor base 1 to another, so that the plurality of floor bases 1 are vertically aligned with each other in an advanced position where the floor bases 1 are displaced stepwise as shown in FIG. While being in a horizontal state between the retracted position, it can be driven and moved by a floor platform driving device (not shown),
In order to define the advanced position, an advanced position adjusting bolt 25 is provided at the upper end of each column 10 so as to be able to move forward and backward, which can be brought into contact with a contact member (not shown) fixed to the back surface of the floor base 1. . Each of the chairs 3 is driven by a chair driving mechanism (not shown), and when the floor base 1 moves to the retreat position, the chair 3 falls forward to a horizontal position along the floor panels 6 and 7, and the floor base 1 is moved. When moving to the advanced position, the user gets up to the use position as shown in FIG.

When the telescopic movable seat of this embodiment having such a structure is assembled, all of the plurality of arm members 5 are directly connected to the penetrating member 4 without passing through the support posts 10. In advance, at a factory, a plurality of portions of the penetrating material 4 extending horizontally in the left-right direction of the chair 3 are provided at a plurality of portions spaced apart in the longitudinal direction so as to project horizontally from these portions in the front direction of the chair 3. The rear ends of the arm members 5 are connected to each other by arm member mounting brackets 16, and floor panels 6 and 7 as floor members, a chair supporting frame 8, a connecting member 9, and a needle punch carpet 14 are provided on the plurality of arm members 5. The chair 3 is set on the floor material 1 while the floor material 1 is stretched, and separately, the vicinity of the rear end of the leg material 11 is connected to the lower end of each pillar 10. And two legs 12 are provided at the front and rear ends of the legs 11 to form the legs 2. To leave the field in their floor stand 1
It is possible to take the setup of assembling the entire movable seat by combining the moving seat and the leg 2. Therefore, according to the movable seat of this embodiment, the assembling work on site can be performed easily and in a short time.

In addition, in the moving seat of this embodiment, all of the plurality of arm members 5 are directly connected to the penetrating member 4 without passing through the support posts 10, so that the plurality of arm members 4 All the parts can be used as common parts, and the floor panel 6, 7 as a floor material, the chair support frame 8 and the connecting material 9 can be formed in a plurality of steps at the pitch of the holes for mounting the holes to the arm material 5. It is possible to make the floor platform 1 common. Therefore, according to the movable seat of the present invention, the productivity of the arm member 5 and the floor members 6, 7, 8 can be increased.

Further, in the moving seat of this embodiment, two moving rollers 12 are provided at the front end and the rear end of the leg member 11 in such a manner as to be arranged two by two in the direction in which the leg member 11 extends. Therefore, even if one roller 12 at the front end or the rear end of the leg material 11 comes to the joint position, the other roller 12 at the front end or the rear end is supported on the floor and the ground This prevents the roller 12 from dropping into the joint, so that the movement resistance of the leg 2 can be prevented from increasing.

The movable seat of this embodiment is a floor stand 1
As shown in the upper left end of FIG.
By welding the 26 and connecting the penetrating members 4 to each other through the flange 26, a plurality of connecting members can be used in the left-right direction of the chair.

Although the present invention has been described with reference to the illustrated examples, the present invention is not limited to the above examples. For example, the types of flooring materials, the number of arms and columns, and the number of moving rollers are described in Patent It may be changed as needed within the scope of the claims. Further, the shape and structure of the chair, the cross-sectional shape of the piercing material, and the coupling structure of the arm member and the column material to the piercing material can be appropriately changed as necessary within the scope of the claims.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a movable seat according to the present invention, omitting floor materials and chairs.

FIG. 2 is an exploded perspective view showing a method of assembling the movable seat of the embodiment.

FIG. 3 is an explanatory view showing a structure for attaching an arm member to a penetrating member of a moving spectator seat of the embodiment.

FIG. 4 is a perspective view showing the structure of a conventional movable seat.

FIG. 5 is an explanatory view showing a floor material of the conventional movable seat.

FIG. 6 is a perspective view showing the whole of the conventional movable seat.

FIG. 7 is a perspective view showing only one stage of the conventional movable seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor stand 2 Leg part 3 Chair 4 Penetration material 5 Arm material 6,7 Floor panel 8 Chair support frame 10 Post 11 Leg material 12 Roller for movement

Claims (2)

[Claims] 1. A plurality of floors (1), legs (2) for supporting the respective floors so as to be movable in a horizontal state, and a plurality of chairs mounted on the respective floors. (3), wherein each of the floor bases has a penetrating member (4) extending horizontally in the left-right direction of the chair, and rear ends at a plurality of portions spaced apart in the longitudinal direction of the penetrating member. A plurality of arm members (5) which are respectively connected and protrude horizontally from the through members in the front direction of the chair, and a floor material (6, 7, 8) stretched over the plurality of arm members
A plurality of struts (10) having upper ends respectively connected to the plurality of portions of the penetrating material and extending downward from the penetrating material, and lower ends of the struts A plurality of leg members (11) connected near the rear end thereof and extending in parallel with the arm members, and moving rollers (12) provided at the front end and the rear end of the leg materials, respectively. ), Wherein the length of the plurality of columns is different for each of the floors by a step difference between the floors, and a portion of the penetrating material to which upper ends of the plurality of columns are joined is the floor. With a slight shift for each table, the plurality of floors can move in a horizontal state between an advanced position where they are displaced stepwise from each other and a retracted position where they are vertically aligned with each other. In the seat, all of the plurality of arm members (5) are directly in front without passing through the column members (10). Characterized in that it is coupled to the beam member (4), the moving stand. 2. The method according to claim 1, wherein a plurality of the moving rollers (12) are provided at a front end and a rear end of the leg material (11), respectively, and are arranged in the extending direction of the leg material. The mobile seat according to claim 1,