JPH0816399B2 - Lifting type movable seat device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an elevating type movable seat device used in a multipurpose hall, a theater, a baseball field, an indoor or outdoor playground, or the like.

[Conventional technology]

FIG. 9 shows an example of a conventional typical movable elevator seat, and FIG. 10 shows an example of a conventional spectator seat as a movable seat device made by combining them.

In FIG. 9, 1 is a container beam that stores a plurality of seats 5 and the like, 2 is a lifting leg that connects the lower side of the container beam and the foundation, 3 is a base anchor, and 4 is a floor slide (or roller) portion. is there.

As shown in FIG. 10, a large number of these movable seats are arranged side by side in the front-rear direction (left-right direction in FIG. 10) and in the lateral direction at a right angle thereto to form a group of spectator seats. The legs 2 are adapted to move up and down to a predetermined height.

After the movable seats were moved up and down to a predetermined height, they were not connected to each other and remained independent.

[Problems to be Solved by the Invention]

Since the conventional elevating movable seats are not connected to each other, during an earthquake, movement of spectators and other objects on the movable seats,
It was necessary for each movable seat to have the necessary rigidity and strength for various types of shaking (horizontal shaking, vertical shaking, torsional shaking, etc.) due to exercise.

This was fine if the movable seat was small, but as the size increased and the load such as seismic force increased, the reinforcement weight and cost of the legs to provide this rigidity and strength increased, and If the movable seat sways in any direction,
Safety issues have arisen, such as pinching your fingers in the gaps between the movable seats.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a lifting movable seat device that is safe against various shakings, while reducing the reinforcement weight and cost of the legs. To do.

[Means for solving the problem]

The present invention relates to an elevating type movable seat device in which a plurality of movable seats provided with seats and provided with container beams capable of moving up and down independently of each other are arranged, and a groove extending vertically between the movable seats adjacent to each other and the groove. They were connected to each other by a slide-type connecting device consisting of protrusions inserted in.

[Work]

In the present invention, the movable seats of the elevation type are connected to each other by the slide type connecting device composed of the groove extending in the vertical direction and the protrusion inserted in the groove, so that the movable seat group as a whole is compared with the individual movable seats. Has higher rigidity, the natural frequency is higher, and the amplitude of the swing is smaller. Therefore, the overturning moment of the base portion with respect to the anchor portion can be reduced, and the gap between the container beams can be maintained at a constant small value. Further, since the movable seats of the elevation type are connected to each other by the slide type connecting device composed of the groove extending in the vertical direction and the projection inserted into the groove, the movable seats are mutually connected while maintaining the mutual connection of the movable seats. The height can be easily and continuously changed, and the movable seats can be connected to each other at any height.

Further, when the above-mentioned group of movable seats connected to each other is connected to the fixed structure around, the above-mentioned action is further enhanced,
It will be sure again.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

A first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 (A) shows a container beam 1 for accommodating seats and the like in a group of vertically movable seats that have been raised and lowered to a predetermined height according to the present embodiment, and are connected to each other by a slide type connecting device 7. It shows a state in which it is bonded to the surrounding fixed structure 6. Further, FIG. 1 (B) is a front view of the movable seat, and the container beam 1A of the movable seat is adjacent to the container beams 1B of the movable seats adjacent to the front and rear thereof, and both longitudinal ends of each container beam. It shows the state of being bound by.

As shown in FIG. 1 (A), the movable seats in the last row are connected to the fixed structure 6 by a slide-type connecting device 7. Moreover, as shown in FIG. 1 (B), the container beam 1
Sliding type coupling device 7 at both ends of A and 1B in the longitudinal direction
Are linked by.

The mutual connection of the container beams in this embodiment is carried out movably in a sliding manner by utilizing the movement when the movable seat moves up and down as described below.

As shown in FIG. 2, the slide type coupling device 7 in this embodiment is provided at the slide groove 8 provided at the front end of the container beam 1A of the rear seat and at the rear end of the container beam 1B of the front seat. It is made up of slide protrusions 9.

That is, the slide protrusions 9 provided at both ends in the longitudinal direction of the front container beam 1B are T-shaped, and the slide grooves 8 provided at both ends in the longitudinal direction of the rear container beam 1A are correspondingly formed. , It has a shape that wraps it around. The slide groove 8 extends over almost the entire height from the lower end of the rear container beam 1A to the vicinity of the upper end thereof, and the lower end thereof is tapered so that the slide protrusion 9 can be smoothly inserted. The slide protrusion 9 is structured so that it can enter only from the lower end, but when the group of vertically movable seats is set to a predetermined height, the slide protrusion 9 is inserted into the slide groove 8 in advance, and the rear portion By raising the movable seats or raising the rear movable seats at the same time as the front movable seats, each movable seat can be set to a predetermined height while the slide protrusion 9 is inserted into the slide groove 8. The same applies when lowering the movable seat.

In the present embodiment, the slide protrusion 9 has a certain width in the height direction and is provided above the front container beam 1B, but this position and the width in the height direction are determined by the slide type connecting device 7. The sliding projection 9 may be provided over the entire height of the container beam 1B.

Further, in the present embodiment, as shown in FIG. 2, the slide groove 8 completely encloses the slide protrusion 9, so that not only the swinging of the movable seat in the front-back direction but also the left-right direction (longitudinal length of the container beam 1). Although there is also an effect of suppressing the sway in the direction), if it is not necessary, the horizontal clearance between the slide groove 8 and the slide protrusion 9 may be increased so that the effect of suppressing the sway in the left and right is not provided.

In this embodiment, container beams 1A and 1B for front and rear movable seats are used.
Are connected by a slide groove 8 of a slide type connecting device 7 and a slide protrusion 9 inserted thereinto, and both container beams 1A and 1B can be connected at an arbitrary step, and both container beams 1A and 1B are connected. By doing so, it is possible to increase the rigidity in the front-rear direction, reduce the swing thereof, and keep the gap between the container beams 1A and 1B small. Moreover, container beams 1A, 1B
The mutual heights of the seats of the container beam 1A and the container beam 1B can be easily and continuously changed while maintaining the mutual connection of the container beams 1A, 1B with movable seats at arbitrary heights. Can be connected.

In addition, since the container beams in the last row are connected to the fixed structure 6, the swing of the container beams and thus the seat can be further reduced.

 A second embodiment of the present invention will be described with reference to FIG.

In the second embodiment, the slide type connecting device 7 of the first embodiment is provided not inside the longitudinal end of the container beam 1 but inside the end thereof.

Also in this embodiment, the same operation and effect as those of the first embodiment can be obtained.

 A third embodiment of the present invention will be described with reference to FIG.

In this embodiment, a sliding member 10 such as Teflon having a small friction coefficient is attached to the slide surface of the slide projection 9 of the slide type coupling device 7 of the first embodiment. This facilitates the sliding of the slide coupling device 7, reduces the clearance between the slide protrusion 9 and the slide groove 8 and easily suppresses the play between the container beams.

In addition, depending on the case, this sliding member 10 is used as the slide groove 8
Alternatively, the entire surface of the slide protrusion 9 may be made of a smooth material.

Fourth to seventh embodiments of the present invention are shown in FIGS. 5 to 8, respectively.

In these fourth to seventh embodiments, the shapes of the slide protrusion 9 and the slide groove 8 of the first embodiment are shown in FIGS. 5 and 6, respectively.
As shown in FIG. 7, FIG. 7 and FIG. As described above, as long as the structure has the slide mechanism and the displacements are transmitted to each other, the same operation and effect as those of the first embodiment can be achieved even if the shapes are various.

Although the movable seats adjacent to each other in the front-rear direction are connected to each other by the connecting device in each of the above-described embodiments, the movable seats adjacent to each other in the left-right direction may be connected to each other. Adjacent movable seats may be connected to each other.

〔The invention's effect〕

 The present invention can exert the following effects.

(1) By connecting the movable seats together,
Various swings of the movable seat due to the movement and movement of the object on the movable seat can be suppressed to a small level, which helps to improve the sitting comfort and safety, and at the same time, it is necessary to reduce the swinging of the lifting legs and the base. It is possible to reduce the reinforcement weight and cost of the anchor portion.

(2) With the connecting device, a plurality of movable seats can be automatically and easily connected to each other, the mutual heights of the plurality of movable seats can be easily and continuously changed, and at any height. It is possible to connect movable seats.

[Brief description of drawings]

FIG. 1 shows a first embodiment of the present invention, FIG. 1 (A) is a side view, FIG. 1 (B) is a front view, and FIG. 2 is a connecting device of the same first embodiment. 2 (A) is a side view and FIG. 2 (B) is
Is a view taken along the line BB of FIG. 2 (A), FIG. 2 (C) is a view taken along the line CC of FIGS. 2 (A) and (B), and FIG. 3 is a second embodiment of the present invention. An example is shown, FIG. 3 (A) is a front view of a main part, FIG. 3 (B) is a sectional view of a connecting device, FIG. 4 is a sectional view of a connecting device of a third embodiment of the present invention, FIG. 8 to FIG. 8 are cross-sectional views of the connecting devices according to the fourth to seventh embodiments of the present invention, FIG. 9 is a front view of an example of a conventional lifting movable seat, and FIG. It is a side view of a lifting type movable seat group made by combining movable seats. 1 …… Container beam, 1A …… Rear seat container beam, 1B …… Front seat container beam, 2 …… Lifting leg, 3…
… Base anchor, 4 …… Floor slide (or roller) part, 5 …… Seat, 6 …… Peripheral fixed structure, 7 …… Coupling device, 8
…… Slide groove, 9 …… Slide protrusion, 10 …… Slip material

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takahiro Terao 12 Nishiki-cho, Naka-ku, Yokohama-shi, Kanagawa Mitsubishi Heavy Industries, Ltd. Yokohama Works (56) References: 62-47617 (JP, U) 60-22182 (JP, Y2)

Claims (1)

[Claims] 1. An elevating type movable seat device comprising a plurality of movable seats provided with seats and having container beams capable of moving up and down independently of each other, wherein a groove extending in the vertical direction is formed between the adjacent movable seats. An elevating type movable seat device characterized in that they are connected to each other by a slide type connecting device composed of a projection inserted in a groove.