JPH11247474A - Monitoring device for running of expansible movable seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely operate the device without trouble by monitoring running condition at moving an expansible movable seat used for a gymnastic hall and the like, and surely detecting oblique movement and meandering. SOLUTION: Singles movable in the longitudinal direction on a plurality of floor faces 1 having different height of floor steps are continuously connected together in order rearward from the low height one, at using the device they are extended like stairs on the floor faces, and at storing the device the seat simplex on the front position is stored like shelves under the step floor of the seat simplex on the rear position. An identifiable line 6 of fixed width is drawn on the floor face 1 along the running direction, and a sensor 16 indentifying the line 6 is fitted onto the position corresponding to the line 6 of the single seat on the foremost position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telescopic movable seat monitoring apparatus installed in a theater, a gymnasium, a multipurpose hall or the like.

[0002]

2. Description of the Related Art Conventionally, moving seats which are provided in a theater, a gymnasium, a multipurpose hall, and the like and are normally housed in a storage portion formed on a wall surface, and project from the wall surface into a room when in use to form a platform. Is known. When such a grandstand is extended and moved indoors, and when it is retracted into the storage unit, the traveling may be oblique or meandering. As means for preventing such skew and meandering of the seat, for example, a method using a wire described in Japanese Utility Model Laid-Open No. 1-154755, a method using a gear described in Japanese Utility Model Publication No. 3-11307, and a method using an actual gear are disclosed. An example using a photoelectric switch described in Japanese Patent Publication No. 4-31948 is known.

[0003]

SUMMARY OF THE INVENTION
In the case of using the wire described in Japanese Patent Application Laid-Open No. 1-154755, if the wire breaks for some reason, it will not function. In the gear disclosed in Japanese Utility Model Publication No. 3-11307, failure due to poor meshing is likely to occur. In the photoelectric switch described in Japanese Utility Model Publication No. 4-31948, since the detection distance is long, there is a possibility that a malfunction may occur when, for example, an obstacle such as a ball enters under a corrugated floor (deck) of a seat.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention monitors a traveling state of a telescopic movable seat used in a gymnasium or the like and detects a skew or meandering without fail. The purpose is to provide a device that is less reliable in operation.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) A plurality of seats that can move on the floor in the front-rear direction with different heights of the corrugated floor are connected in order from the lowest height to the rear, and when used, the floor surface is used. A traveling monitoring device for telescopic movable seats, with the upper part extended in steps and when stored, the front seat alone is stored as a shelf under the step floor of the rear seat alone. Along the running direction, a line having a constant width with distinctiveness is drawn on the floor surface, and a sensor for identifying the line is attached to a position corresponding to the line of the foremost seat alone. .

(2) In the above item (1), the line is a line having at least one of a color and a brightness different from the floor surface, and the sensor determines a difference between the color and the brightness. Sensor.

(3) In the above item (1), the line is a line formed of a magnetic material, and the sensor is a sensor for detecting the magnetic force.

(4) In any one of the above items (1) to (3), the guide is attached to the foremost seat body so as to be slidable in the vertical direction, and is provided at the lower end with a roll that rolls on the floor. The sensor is mounted on a vertical member on which the wheel is mounted.

(5) In any one of the above items (1) to (4), when the sensor determines that there is no line during running of the seat, the stop means for determining that the seat is skewed and stopping the driving is provided. Prepare.

(6) In any one of the above items (1) to (5), at least two lines are drawn on the floor surface on the left and right sides, and at least two lines are left and right on the frontmost seat body corresponding to the lines. If one of the sensors determines that there is no line during running of the seat, it is determined that the seat is skewed, and the forward or backward movement of one side is suppressed, and the seat is skewed. Stop means for automatically correcting is provided.

(7) In any one of the above items (1) to (6), if the line is drawn to the seat movement limit position and all sensors determine that there is no line during the seat driving, the movement of the seat is stopped. Stop means for stopping is provided.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2 show telescopic movable seats for carrying out the present invention. As shown in FIG. 1, a folding seat (3) is placed on a floor (1) of a gymnasium or the like. ) Are arranged in a row, that is, a deck (4) is provided movably in the front-rear direction.

In this embodiment, as shown in FIG.
Two rows of folding seats (3) are arranged on one corrugated floor (4), and the whole is referred to as a grandstand alone (2). That is, a plurality of such seats (2) are provided at different heights, and when the seat (3) is folded and folded forward, the seat (2) at the front position becomes Can be moved under the corrugated floor (4) of the stand alone stand (2) to be accommodated in a shelf shape, and the movable seat reduced in length in this way can be accommodated behind the gymnasium (not shown). The whole can be stored in the part. Reference numeral (5) denotes running wheels provided below the corrugated floor (4), which are driven by a drive device (not shown) to move the seat alone (2), and thus the movable seat as a whole. It is.

As shown in FIGS. 1 and 4, a distinctive line (6) is drawn on the floor (1) by sticking or painting. The line (6) is drawn with a plurality of lines at right and left intervals along the moving or running direction of the moving seat, and differs from the floor (1) in at least one of the color and brightness. This is a line having a fixed width made of a material to be mixed or a material mixed with a powder having magnetic force, and may be basically a white line drawn on the floor of a gymnasium or the like. In the example shown,
This line ends up to the seat extension limit position. Although not shown in this figure, the line (6) ends up to the seat retreat limit position.

As shown in FIGS. 3 and 4, the mounting member (7) at the lower front end of the bunk floor (4) of the seat (2) at the forefront position includes:
A front skirt (8) is fixed, and a safety bar (9) is attached to a front end thereof.

A vertical mounting plate (11) is fixed to the front end of the frame (10) of the floor (4) to which the mounting member (7) is fixed, and is attached to the vertical mounting plate (11). The vertical member (13) is slidably supported in the vertical direction by the guide member (12) having a U-shaped cross section.

At the lower end of the vertical member (13), a pair of guide wheels (14) rolling on the floor (1) is mounted on a shaft.
On the front surface of (13), a sensor (15) is attached facing downward. This configuration is also shown enlarged in FIG.

The sensor (15) is a sensor capable of detecting any one of the color and the lightness, or a sensor capable of detecting a magnetic force. All such sensors are known. In some cases, a light source may be attached to a position beside the sensor (15), and the sensor (15) may detect light reflected from the light source and reflected on the floor.

The operation of this embodiment will be described. When the moving seats move, the foremost seat alone (2) skews,
Normally, the sensor (15) directed on the line (6) comes off the line (6) having a constant width. Then line (6)
And the color of the floor (1) (or the difference in lightness, presence or absence of magnetic force) are immediately detected. In this manner, the skew can be monitored, and the detection signal can be sent to the stopping means (16) (FIG. 1) to stop the traveling driving of the movable seat.

Alternatively, as shown in FIG.
And at least two lines (6) in the direction of the moving seat
If the sensor (15) is located just above these lines and the sensor (15) is located just above these lines, when any of the sensors (15) determines that there is no line while traveling in the mobile seat, the mobile viewing Judging that the seat is skewed, and one of the stopping means (1
6) Suppress forward or backward movement on one side, adjust left and right movement, automatically correct skew, and run straight.

Further, when all the sensors (15) determine that there is no line during traveling of the movable seat, it is determined that the forward or backward movement is completed, and all wheels are stopped by the stopping means (16).
The driving of (5) is stopped.

[0022]

According to the present invention, the fixed guide means, which is a line drawn on the floor, is detected by the sensor attached to the frontmost seat alone, so that it can be skewed reliably without malfunction. Can be detected.

According to the second aspect of the present invention, a white line forming a game court or a line dividing a floor, which is drawn in a gymnasium or the like, is used as it is as a line for detecting skew of a seat. Can be convenient.

According to the third aspect of the present invention, when the line is formed of a material having magnetic force and the line is made the same color or transparent as the floor surface, the line can be made inconspicuous, and can be used as a floor of a gymnasium or the like. It can be prevented from being confused with a competition line or the like attached to the surface.

According to the fourth aspect of the present invention, the guide wheel is brought into contact with the floor surface by the weight of the vertical member regardless of the unevenness of the floor surface, and the sensor is always kept at the same distance from the floor surface. The line can be accurately detected while pointing downward.

According to the structure of the fifth aspect, the direction can be corrected immediately with the minimum skew.

According to the configuration of the invention as set forth in claim 6, the movable seat can be extended and retracted accurately and reliably.

With the configuration as described in the seventh aspect of the present invention, the extension and retraction of the movable seat can be performed completely automatically.

[Brief description of the drawings]

FIG. 1 is a partial perspective view showing a movable spectator seat to which an embodiment of a traveling monitoring device according to the present invention is attached, in a state of being extended on a floor surface.

FIG. 2 is an enlarged partial side view of the moving seat shown in FIG. 1;

FIG. 3 is an enlarged side view of a front portion of a single seat at the forefront of the moving seat shown in FIG. 2;

4 is an enlarged exploded perspective view of the traveling monitoring device of the present invention shown in FIG.

FIG. 5 is an enlarged perspective view of the traveling monitoring device shown in FIG.

[Explanation of symbols]

 (1) Floor surface (2) Grandstand alone (3) Seats (4) Corrugated floor (5) Wheels (6) Line (7) Mounting member (8) Front skirt (9) Safety bar (10) Frame (11) Vertical mounting plate (12) Guide member (13) Vertical member (14) Guide wheel (15) Sensor (16) Stop means

Claims (7)

[Claims] 1. A plurality of seats that can move on a floor surface in a front-rear direction having different heights of a corrugated floor are connected in order from the lower one to the rear, and when used, the seats are connected to each other. Traveling for telescoping movable seats that extend in a staircase on the floor and store the front seat alone as a shelf under the step floor of the rear seat alone when stored A monitoring device, comprising: a sensor that draws a line of a certain width having discrimination along the traveling direction on the floor surface, and that identifies the line at a position corresponding to the line of the frontmost seat alone. A televised movable grandstand running monitoring device, comprising 2. The line according to claim 1, wherein the line is a line having at least one of a color and lightness different from a floor surface, and the sensor is a sensor for discriminating any one of the color and lightness. Travel monitoring device for telescopic movable seats. 3. The travel monitoring device for a telescopic movable seat according to claim 1, wherein the line is a line formed of a magnetic material, and the sensor is a sensor for detecting the magnetic force. 4. The sensor is mounted on a vertical member which is slidably mounted on the foremost seat body so as to be slidable in the vertical direction, and which has a guide wheel at the lower end thereof, which is rotatably mounted on a floor surface. The travel monitoring device for a telescopic movable seat according to any one of claims 1 to 3. 5. The telescoping type according to claim 1, further comprising a stop means for judging that the seat is skewed and stopping driving when the sensor determines that there is no line during running of the seat. A traveling monitoring device for the moving bleachers. 6. At least two left and right lines are drawn on the floor surface, and at least two sensors are arranged on the frontmost seat body corresponding to the lines on the left and right sides.
2. A stop means for judging that the seat is skewed when any of the sensors determines that there is no line, and automatically correcting the skew of the seat by suppressing forward or backward movement of one side. The travel monitoring device for a telescopic movable seat according to any one of claims 5 to 5. 7. Draw a line to the seat limit position,
The telescopic movable seat monitoring device according to any one of claims 1 to 6, further comprising a stopping means for stopping the movement of the seat when all sensors determine that there is no line during the seat driving.