JP6425489B2 - Audience structure - Google Patents

Description

  The present invention relates to the seating structure of stadiums and stadiums.

In recent years, spectators' seats may be mobilized to be able to respond to various sports and events in stadiums and stadiums. According to Patent Document 1, when performing a ball game such as soccer, rugby, American football, etc. in a track stadium, the movable spectator seat is moved to a position covering a part of the track which is a running track, and a viewing environment close to the field An example of the realization of In this case, a movable seat unit is provided which can slide in the direction of the field from the outer periphery structure (stand) of the athletic field, and the movable seat unit is provided with a chair for raising and lowering, and the movable seat unit is a spectator seat When used as a chair, sliding the chair to the field side interlocks the chair and a new seat is provided (Patent Document 1). When the movable seat unit is stored in the housing portion of the outer peripheral structure, the chair interlocks when the movable seat unit is slid into the housing portion.
In addition, as a method of providing a spectator seat in front of the stand spectator seat, there is a method of laying an iron plate on a circumferential runway or field using heavy machinery and constructing a temporary spectator seat on that.

JP-A-11-13298

By the way, since the side stand faces the corner portion of the land track, the distance from the field inside the track is long. Therefore, even if the spectator seat described in Patent Document 1 is installed on the side stand, the distance to the field becomes longer compared to the main stand and the back stand, so that a strong watching can not be performed. In addition, if there is a big gap in the back of a soccer goal etc., the sense of presence is often not transmitted to the spectators by television.
In addition, when laying an iron plate on a track or field to add an audience seat, an excessive vertical load is applied when heavy equipment etc. travels, and the field suffers damage, and every time an audience seat is added, It takes time and money to build a spectator seat.
From such a point of view, the present invention provides a spectator seat structure in the front part of the side stand which can increase or decrease the spectator seats near the field in a short time without using heavy machinery according to the use situation of the field. To be a task.

In order to solve the above problems, the present invention is a spectator seat structure comprising a stand spectator seat and a movable spectator seat unit located in front of the stand spectator seat, the movable spectator seat unit comprising: A middle audience seat portion and a front audience seat portion are provided, and the middle audience seat portion is rotated by using a bearing portion disposed on the front end side of the stand audience seat portion as a fulcrum. The front end side is raised and lowered, and when the front end side of the middle stage seating section is lowered most, the front end side is lower than the surface height of the competition field, and the front stage seating section is the middle stage seating section The spectator seat structure is characterized in that it is accommodated below and covered by the middle stage spectator seat. Further, the present invention is a spectator seat structure comprising a stand spectator seat portion and a movable spectator seat unit located in front of the stand spectator seat portion, wherein the movable spectator seat unit is a middle spectator seat portion and a front stage And a spectator seat portion, wherein the middle spectator seat portion is configured to move up and down the front end side of the middle spectator seat portion by rotating around a bearing portion disposed on the front end side of the stand spectator seat portion. The front spectator seat portion is configured to be able to expand and contract the intervals before and after a plurality of spectator seats, and the floor portion constituting the front spectator seat portion has a front side with a side length of a rear side It may be a spectator seat structure characterized by having a rectangular shape shorter than the length .
According to such a configuration, since the movable spectator seat unit has a two-stage structure including the middle spectator seat portion and the front spectator seat portion, the spectator seat should be disposed close to the competition field also in front of the side stand. Can.
In addition, the middle stage spectator seat can be formed continuously from the stand spectator seat portion since the pivot point is located in front of the stand spectator seat portion.
In addition, the middle stage spectator seat can be positioned so that the closing of the field does not occur when the front end is lowered close to the field surface. In addition, the middle stage spectator seat can adjust the height on the front end side in accordance with the use form of the field, and the front stage spectator seat portion can be installed in front.

The front spectator seat section may be constituted by a plurality of audience seats. In this case, the passenger seat assembly includes a floor portion, a foldable chair provided on the floor portion, a support structure supporting the floor portion, and sliding means for moving the passenger seat assembly back and forth. Is preferred.
The sliding means may include a wheel provided at the lower end of the support frame, a rail provided on the lower surface of the floor, or an expansion / contraction assisting member provided on the side surface of the support frame. preferable. According to such a configuration, the expansion and contraction of the front spectator seat portion can be smoothly performed.

Further, the floor portion has a structure in which left and right telescopic directions have different lengths, and a front seat assembly is accommodated in a rear seat assembly in a nested state, and the front stage audience seat portion is the middle stage It is preferable to be able to be accommodated below the spectator seat.
In addition, it is preferable that the stand spectator seat and the movable spectator seat unit be installed at a curved portion along the running track of the stadium.

  According to the spectator seat structure according to the present invention, a movable spectator seat unit having a middle movable spectator seat portion capable of moving up and down and an expandable front spectator seat portion is provided in front of the stand spectator seat. And, it is possible to add a spectator seat to the field side in a short time without traveling heavy machinery on the field.

It is the whole top view which showed the athletic meet viewing mode of the spectator seat structure which concerns on 1st embodiment. It is the whole top view which showed the ball game viewing mode of the spectator seat structure which concerns on 1st embodiment. It is sectional drawing which showed the athletic meet viewing mode of the spectator seat structure which concerns on 1st embodiment. It is sectional drawing which showed the ball game viewing mode of the spectator seat structure which concerns on 1st embodiment. It is the perspective view which showed the audience seat assembly of the audience seat structure which concerns on 1st embodiment. It is the figure which showed the floor part of the front spectator seat part of the spectator seat structure which concerns on 1st embodiment, Comprising: (a) is the top view which showed the extended state, (b) is the top view which showed the degenerated state. It is. It is the whole top view which showed the athletic meet viewing mode of the spectator seat structure which concerns on 2nd embodiment. It is the whole top view which showed the ball game viewing mode of the spectator seat structure which concerns on 2nd embodiment. It is sectional drawing which showed the athletic meet viewing mode of the spectator seat structure which concerns on 2nd embodiment. It is sectional drawing which showed the ball game viewing mode of the spectator seat structure which concerns on 2nd embodiment. It is the figure which showed the floor part of the movable spectator seat unit of the spectator seat structure which concerns on 2nd embodiment, Comprising: (a) is the top view which showed the extended state, (b) is the top view which showed the retracted state. It is.

First Embodiment
In the spectator seat structure of the first embodiment according to the present invention, the movable spectator seat unit provided in front of the stand spectator seat portion is arranged in the middle spectator seat portion and the front spectator seat portion so that the spectator seat can be arranged near the inner field. It has a two-tiered structure.

The configuration of the spectator seat structure 1 according to the first embodiment will be described with reference to FIGS. 1 to 6. The audience seat structure 1 is applied to a large space facility such as a stadium. In this embodiment, a case where the invention is applied to a side stand of an athletics stadium will be described as an example. The audience seat structure 1 is configured to be switchable between an athletics viewing mode (see FIGS. 1 and 3) and a ball viewing mode (see FIGS. 2 and 4).
The athletics viewing mode shown in FIG. 1 is a mode for viewing a competition using the track 2b. The ball game viewing mode shown in FIG. 2 is a mode for viewing a ball game performed on the field 2a inside the track, such as soccer or rugby. In the ball game viewing mode, a movable spectator seat unit 20 described later projects forward to near the field 2a.

As shown in FIGS. 1 to 4, the spectator seat structure 1 includes a stand spectator seat unit 10 and a movable spectator seat unit 20.
The stand spectator seat unit 10 is a fixed spectator seat built around the competition field 2. The movable spectator seat units 20 are formed to have a predetermined length in the left-right direction of the seat, and a plurality of movable spectator seat units 20 are arranged along the front end of the stand spectator seat portion 10.
As shown in FIG. 3 and FIG. 4, the floor portion 11 and the audience seat 12 are provided.
The floor portion 11 is made of, for example, a reinforced concrete structure, and has a step-like shape so as to become lower toward the competition field 2. In addition, the floor part 11 is not limited to step shape, It may be slope shape.
The audience seat 12 is fixed to the surface of the floor portion 11. Below the stand unit 10, in addition to rooms (not shown) such as an operation room and a locker room, various spaces (not shown) such as walkways, stairs, toilets, shops and machine rooms are provided.

As shown in FIGS. 3 and 4, the movable spectator seat unit 20 has a middle spectator seat portion 21 disposed in front of the stand spectator seat portion 10 and a front spectator seat portion capable of being disposed in front of the middle spectator seat portion 21. It has 31 and.
The middle audience seat portion 21 is configured to be able to move up and down at the front end side of the middle audience seat portion 21 via the bearing portion 22 disposed on the front end side of the stand audience seat portion 10. As shown in FIG. 3, a plurality of spectator seats 24 are supported by a support member 23 in the middle-stage spectator seat unit 21.
The support member 23 includes a support arm 25 extending forward from the front end of the stand spectator seat 10, a telescopic jack 26 for pivoting the support arm 25, and a plurality of floor portions 27 arranged in a step-like manner. Is equipped.
The support arm 25 extends in the front-rear direction, and rotates while supporting the floor portion 27 and the spectator seat 24. Although not shown, a plurality of support arms 25 are provided at predetermined intervals in the left-right direction. The end (rear end) of the support arm 25 on the stand side is rotatably connected by the bearing 22. As the support arm 25 pivots with the bearing portion 22 as a fulcrum, the end (front end) on the field side of the support arm 25 moves up and down.
The telescopic jack 26 is a member for rotating the support arm 25, and is provided below the support arm 25. The rear end of the telescopic jack 26 is pin-connected to the front end of the stand spectator seat 10, and the front end of the telescopic jack 26 is pin-connected near the longitudinal middle portion of the support arm 25. When the telescopic jack 26 extends, the front end of the support arm 25 ascends, and when the telescopic jack 26 retracts, the front end of the support arm 25 descends.
Hereinafter, the position when the front end of the support arm 25 is raised is referred to as "high seat position" (see FIG. 4), and the position when the front end of the support arm 25 is lowered is referred to as "low seat position" (FIG. 3) Reference).

The floor portion 27 is formed for each row of the audience seats 24. Each floor portion 27 is bridged by the support arms 25 adjacent to each other on the left and right (in the direction perpendicular to the sheet in FIGS. 3 and 4). The upper surface of the floor portion 27 is substantially horizontal although it is inclined by a water gradient. The level difference between the floor portion 27 on the top level and the floor surface on the bottom level (front row) of the stand spectator seat portion 10 is set to a height at which walking is possible.
The floor portion 27 is pivotable with respect to the support arm 25 and substantially horizontal is maintained even when the support arm 25 pivots.
The inclination angle of the middle audience section 21 is gentler in the high seat position than in the low seat position.
Below the front end of the support arm 25 is formed a groove 28 which is dug deeper than the surface of the game field 2. When the middle audience seat 21 is in the low seat position, the front end of the support arm 25 enters the groove 28 and the floor surface of the floor 27 in the front row is close to the surface height of the competition field 2 (see FIG. 3).
The audience seat 24 is fixed to the surface of the floor 27 and does not need to be detached or folded.

The front audience seat portion 31 can be accommodated at the lower part of the middle audience seat portion 21 and can move back and forth between the front position of the middle audience seat portion 21 and the lower position of the middle audience seat portion 21. The front spectator seat portion 31 of the present embodiment has a roll-back type seat structure, and can extend and contract in the front-rear direction.
As shown in FIG. 4, the front-stage spectator seat unit 31 includes a plurality of rows of customer seat assemblies 32, 32. A detachable handrail 5 is provided at the front end of the front stage audience seat portion 31.
The front seat assembly 32 can be nested inside (below) the rear seat assembly 32. When each passenger seat assembly 32 is sequentially accommodated inside (lower side) of the rear passenger seat assembly 32, as shown in FIG. 3, the front stage audience seat portion 31 is contracted. The pre-stage spectator seat portion 31 in a contracted state is accommodated below the middle-stage spectator seat portion 21.

As shown in FIG. 5, the passenger seat assembly 32 includes a foldable chair (audience seat 33), a floor portion 34 on which the audience seat 33 is installed, a support structure 35 for the floor portion 34, and a passenger seat assembly 32. And sliding means 36 for moving the back and forth.
The audience seat 33 can be folded from the use state (see FIG. 4) to the horizontal state (see FIG. 3), and when the front seat aggregate 32 is accommodated inside the rear seat aggregate 32 Folded in

The floor portion 34 is formed of a plate-like member installed on the upper surface of the support frame 35. As shown in FIG. 6 (b), the floor 34 has a rectangular shape that is long in the left-right direction. In the present embodiment, of the left and right short sides, the side length L1 of the short side near the center of the side stand (the short side on the left side in FIG. 6) is longer than the side length L2 of the other short side.
Further, as shown in FIG. 6A, since the front side 34a and the rear side 34b of the floor portion 34 are not parallel to each other, the width dimension (length in the expansion / contraction direction) S1 of one end side of the floor portion 34 is , And the width dimension S2 of the other end side.
In the present embodiment, a plurality of such floor portions 34 are arranged in front and rear, so the overall length A1 of the left side (closer to the center of the side stand) in the figure of the front stage audience seat portion 31 is the entire right side (outwardly in the figure). It is longer than the length A2. That is, when the front stage audience seat 31 is extended forward, the front end F1 on the left side (center side of the side stand) of the front audience seat 31 in the figure is a virtual line L passing through the front end F2 on the right in the figure and orthogonal to the expansion and contraction direction. It will be located more forward than.

In the present embodiment, when the front side 34a and the rear side 34b of each floor portion 34 are compared, the side length L3 of the front side 34a is shorter than the side length L4 of the rear side 34b.
Also, looking at the adjacent seating assemblies 32, 32, the rear side 34b of the floor 34 of the front seating assembly 32 and the front 34a of the floor 34 of the rear seating assembly 32 are: It has the same length. Further, the left side (short side on the left side) 34c of the floor 34 of the front seat assembly 32 and the left side 34c of the floor 34 of the rear seat assembly 32 are parallel. Furthermore, the short side 34d on the right side of the floor portion 34 of the front seat assembly 32 and the short side 34d on the right side of the floor portion 34 of the rear seat assembly 32 are parallel. As a result, when viewed in a plan view, the front stage spectator seat portion 31 when extending forward has a shape in which the length in the left-right direction becomes shorter toward the front. As a result, a generally curved arrangement as shown in FIG. 2 can be realized.

  As shown in FIG. 5, the support frame body 35 includes a pair of left and right support columns 37 and 37 and a beam 38 bridged between the support columns 37 and 37. The support 37 is made of, for example, a steel material such as a square pipe. The left and right columns 37, 37 have the same height. The height of the pillars 37 of the front passenger seat assembly 32 is one step lower than the height of the pillars 37 of the rear passenger seat assembly 32 by one step.

  At the lower part of the support 37, a leg 40 extending in the telescopic direction is provided. The legs 40 are provided on the left and right columns 37 respectively. The length of one of the left and right legs 40 (in this embodiment, closer to the center of the side stand) is longer than that of the other leg 40. The legs 40 and 40 of the front passenger seat assembly 32 are disposed inside the legs 40 and 40 of the rear passenger seat assembly 32.

  Beam 38 consists of steel materials, such as a square pipe, for example. The beam 38 is bridged by a pair of columns 37, 37, and the left and right ends of the beam 38 protrude outward from the column 37. Between the post 37 and the beam 38, a diagonal member 37b is provided. The length of the beam 38 is equal to the side length L3 of the rear side 34b of the floor portion 34. The beam 38 is disposed parallel to the rear side 34 b of the floor 34 (in other words, parallel to the front side 34 a of the floor 34 of the rear seat assembly 32). Therefore, the beam 38 of the last seat assembly 32 is installed in a direction intersecting the expansion and contraction direction.

The sliding means 36 is for moving the customer seat assembly 32 smoothly back and forth, and the rail 39 provided on the lower surface of the floor portion 34 and the expansion / contraction assisting member provided on the side surface of the support frame 35 41a and convex members 41b) and wheels 42 are provided. When the floor area of each floor portion of the customer seat assembly is narrow, a combination of wheels and rails, or a combination of wheels and extension assisting members may be used as the sliding means.
The rails 39 guide the movement of the support roller members 43 and extend in the expansion and contraction direction of the front stage audience seat 31. The rails 39 of the rear passenger seat assembly 32 are placed on the support roller members 43 of the front passenger seat assembly 32. A plurality of rails 39 are provided at intervals in the longitudinal direction of the beam 38. The length of the rail 39 corresponds to the width dimension (the extension direction length) of the floor portion 34.
Note that one end of the rail 39 may be joined to the beam 38.

The support roller member 43 is fixed to the rear side surface of the beam 38, and supports the rail 39 (floor portion 34) of the rear passenger seat assembly 32 from the lower side.
The support roller member 43 includes a roller 43a that rotates in the expansion and contraction direction, and a casing 43b that rotatably supports the roller 43a.
The roller 43 a is in contact with the lower surface of the vertical beam (rail) 39 of the rear passenger seat assembly 32. The longitudinal beam 39 serves as a rail material when the support roller member 43 moves in the expansion and contraction direction.

The expansion / contraction assisting member is composed of a convex member 41 a and a concave groove member 41 b which are formed on the side surface of the leg 40.
The recessed groove member 41 a is formed on the inner side surface of the leg 40. The convex member 41 b is formed on the outer surface of the leg 40. The convex members 41b of the front passenger seat assembly 32 enter the concave groove members 41a of the rear passenger seat assembly 32 and slide in the concave groove member 41a when the front and rear passenger seating assemblies 32 and 32 approach or separate. . Although illustration is omitted, a concave groove material may be provided on the outer side surface of the leg 40 and a convex material may be provided on the inner side surface of the leg 40.
The wheel 42 is provided on the lower surface of the leg 40. The wheel 42 has an axial portion that intersects the expansion and contraction direction in plan view, and the passenger seat assembly 32 can travel in the expansion and contraction direction.

Next, the configuration of each part in various viewing modes will be described.
(Land Athletic Viewing Mode)
As shown in FIG. 1 and FIG. 3, in the athletic competition viewing mode, the telescopic jack 26 is in a retracted state, and the middle stage seating section 21 is in the low seating position. The front end of the middle audience seat 21 enters the groove 28, and the foremost audience seat 24 is disposed at a height close to the surface height of the competition field 2 (see FIG. 3). Since the inclination angle of the middle audience seat 21 can be made steep by inserting the front part of the middle audience seat 21 into the groove 28, the audience in the middle audience seat 21 is not disturbed by the head of the front row audience, It is also possible to see the competition that takes place at a short distance from the seat 24.
In the athletic competition viewing mode, the front stage spectator seat portion 31 is accommodated below the middle stage spectator seat portion 21 in a degenerated state (a plurality of audience seat assemblies 32, 32... Overlap each other). The front spectator seat portion 31 is accommodated in the rear accommodation space 30 of the space below the middle spectator seat portion 21.
In a state in which the front audience seat portion 31 is in a retracted state, the columns 37, 37 of the front seat assembly 32 are disposed inside the columns 37, 37 of the rear seat assembly 32, and the legs of the front audience assembly 32 The sections 40, 40 enter inside the legs 40, 40 of the rear seat assembly 32. Further, the floor 34 of the front seat assembly 32 enters below the floor 34 of the rear seat assembly 32. In this way, if the front stage seating section 31 is contracted back and forth, the front stage seating section 31 can be accommodated below the middle stage seating section 21. Therefore, the dead space below the middle stage seating section 21 is effectively used. can do.

(Ball game viewing mode)
As shown in FIG. 2 and FIG. 4, in the ball game viewing mode, the telescopic jack 26 is in an extended state, and the middle stage audience seat portion 21 is in the high seat position. The front end portion of the middle audience seat portion 21 is elevated and has a height connected to the last row of the front audience seat portion 31 in a step-like manner. The inclination angle of the middle audience seat portion 21 is gentle, and the front and rear width of the audience seat 24 is slightly wide.
In the ball game viewing mode, the front spectator seat portion 31 is extended forward. That is, the front seat assembly 32 is extended forward from the rear seat assembly 32. Each passenger seat assembly 32 can be moved smoothly and accurately by the action of the sliding means 36.

According to the above spectator seat structure 1, as shown in FIG. 2, the movable spectator seat unit 20 has a two-stage structure including the middle spectator seat portion 21 and the front spectator seat portion 31. It can be extended to the vicinity of the inner field 2a also in the front.
In particular, as shown in FIG. 6, since the floor section 34 has a width dimension S1 closer to the center of the side stand larger than a width dimension S2 closer to the outside, the extension length of the front stage seating section 31 at the center side of the side stand is It can be longer than the outer stretching length. That is, since the extension length of the front spectator seat portion 31 is increased in the central portion of the side stand where the distance from the field 2a is large, the entire front spectator seat portion 31 can be brought closer to the field 2a. Even in comparison with the main stand and the back stand, it will be a compelling audience seat. In addition, since the front stage audience seat 31 can be brought close to the back of a soccer goal or the like, it is possible to convey a sense of presence to the spectators.

In addition, since the front and rear width of the floor 34 is longer than the front and rear width of the floor 11 of the stand spectator seat 10 and the floor 27 of the middle audience seat 21, the long distance can be extended forward. It can provide a spacious spectator seat 33 with a large front space.
Furthermore, by setting the side length L3 of the front side 34a of the floor portion 34 to be shorter than the side length L4 of the rear side 34b, the front stage spectator seat portion 31 extended forward moves forward in plan view. The length in the left-right direction is shortened. As a result, the front spectator seats 31 of the adjacent movable spectator seat units 20 can be extended forward without interference.

Second Embodiment
The spectator seat structure of the second embodiment integrates a plurality of movable spectator seat units provided in the left and right direction, and rotates these around a bearing installed at the outer portion of the side stand, thereby making the field The front end of the movable spectator unit on the center side of the long side stand approaches the field.

The configuration of the spectator seat structure 101 according to the second embodiment will be described with reference to FIGS. 7 to 11. The audience seat structure 101 is configured to be switchable between an athletics viewing mode (see FIGS. 7 and 9) and a ball viewing mode (see FIGS. 8 and 10).
As shown in FIGS. 7 to 10, the spectator seat structure 101 includes a stand spectator seat unit 10 and a plurality of movable spectator seat units 120 arranged along the front end of the stand spectator seat unit 10. In each movable spectator seat unit 120, a plurality of (four in the present embodiment) movable spectator seat units 120 formed in a predetermined length in the left-right direction of the seat are connected, and a connected unit body 121 is formed. It is done. The connection unit body 121 is formed in two sets, and is disposed on the left and right of the central portion of the side stand.

Adjacent movable spectator seat units 120 are connected by a connecting member 122 provided on the back of each movable spectator seat unit 120, and a plurality of movable spectator seat units are integrated to provide a connected unit body 121. (See Figure 7).
In addition, the movable spectator seat unit 120 is rotatable around a bearing portion 123 installed at an outer portion of the side stand.
As shown in FIG. 8, when the connection unit body 121 is turned to the field 2 b side, a gap is generated between the connection unit body 121 and the stand spectator seat portion 10, so the floor plate 110 on the structural frame. Are erected.

As shown in FIGS. 9 and 10, the movable spectator seat unit 120 has a roll back seat structure. The movable spectator seat unit 120 is disposed in front of the stand spectator seat unit 10. The movable spectator seat unit 120 is provided with a plurality of rows of audience seats 32b, 32b,. The audience assembly 32b is formed for each of the two rows of audience seats 33a and 33b. That is, the audience seats 33a and 33b of the front and rear two rows are arranged in one customer seat assembly 32b. Each passenger seat assembly 32b has a two-step shape with a step.
The last seat assembly 32a of the movable spectator seat unit 120 has a single-stage shape including a row of spectator seats 33a.

The passenger seat assembly 32 b includes spectator seats 33 a and 33 b, a floor 134, and a support structure 35 for the floor 134.
Of the audience seats 33a and 33b in the front and rear two rows disposed in one audience seat assembly 32b, the audience seat 33b located at the rear is foldable. The audience seat 33b is folded when the rear part of the front passenger seat assembly 32b is accommodated inside the rear passenger seat assembly 32b. On the other hand, the spectator seat 33a located at the front is a normal chair that does not become horizontal. The spectator seat 33a may be the same foldable chair as the spectator seat 33b.

  The floor portion 134 is formed of a plate-like member provided on the upper surface of the support frame 35 as in the floor portion of the first embodiment. As shown in FIG. 11, the floor portion 134 has a step, but has a rectangular shape in a plan view. Although not shown, a rail is provided on the lower surface of the floor portion 134. The lateral length of the floor portion 134 of the front seat assembly 32b is shorter than the lateral length of the floor portion 134 of the rear seating assembly 32b.

The support frame 35 includes a column 37, a beam (not shown) supported by the column 37, and a leg 40 provided below the column 37.
The other configuration of the customer seat assembly 32b is the same as that of the first embodiment, so the same reference numerals are given and the description is omitted.

(Land Athletic Viewing Mode)
As shown in FIG. 7 and FIG. 9, in the athletic competition viewing mode, the connecting unit body 121 is in contact with the front end face of the stand spectator seat portion 10. The passenger seat assembly 32b of the movable spectator seat unit 120 is lowered rearward, and the rear portion of the front passenger seat assembly 32b is below the front of the rear passenger seat assembly 32b. At this time, the rear seat 32b of the passenger seat assembly 32b is folded horizontally and accommodated below the front of the rear passenger seat assembly 32b. The movable spectator seat unit 120 in this state is disposed so as to surround the track 2a.
In such a movable spectator seat unit 120, since the height difference between the front and rear spectator seats 33a, 33a becomes the height for two steps in a usual manner, the inclination angle of the movable spectator seat unit 120 can be made steep. As a result, the spectators of the movable spectator seat unit 120 can view even the competition performed at a short distance from the spectator seat 33a without the head of the spectators in the front row getting in the way.

(Ball game viewing mode)
As shown in FIG. 8 and FIG. 10, in the ball game viewing mode, the connecting unit body 121 is rotated around the bearing portion 123. The portion near the center of the side stand of the connecting unit body 121 is brought close to the field 2 b. At this time, since the movable spectator seat unit 120 is integrated with the connecting unit body 121, there is no need to position each of the movable spectator seat units 120, and it is possible to easily perform a turning operation.
The floor surface 110 is formed in the gap generated between the connecting unit body 121 and the stand spectator seat portion 10.
The movable spectator seat unit 120 moves each passenger seat assembly 32b forward, and places the rear of the front passenger seat assembly 32b in front of the rear passenger seat assembly 32b. The rear seat 33b of the passenger seat assembly 32b is raised to the use state. As a result, the movable spectator seat unit 120 extends forward, and the front end of the movable spectator seat unit 120 approaches the field 2a.

According to the spectator seat structure 101 as described above, the connection unit body 121 connecting the plurality of movable spectator seat units 120 is pivoted around the bearing portion 123 installed at the outer portion of the side stand, thereby making the field The front end of the movable spectator unit can be provided near the field 2b on the central side of the side stand which is at a distance from 2b.
In addition, since the movable spectator seat unit 120 becomes shorter in the left-right direction as it moves forward in plan view, the front end portions of the adjacent movable spectator seat units 120 can be extended forward without interference.
Furthermore, since the customer seat assembly 32b is formed in two rows, the number of parts of the support frame can be reduced, and simplification and weight reduction of the configuration can be achieved.

  As mentioned above, although the form for implementing this invention was demonstrated, it is not limited to the said embodiment, A design change is suitably possible in the range which does not deviate from the meaning of this invention. For example, in the first embodiment, the movable spectator seat unit 20 includes the middle audience seat portion 21 and the front audience seat portion 31 and can accommodate the front audience seat portion 31 below the middle audience seat portion 21. It is not limited to this. The movable spectator seat unit 20 may be configured only with the front spectator seat portion 31 without forming the middle spectator seat portion 21. In this case, if the accommodation space for the front stage audience seat 31 is formed below the front end of the stand audience seat 10, the front audience seat 31 can be accommodated when not in use. In addition, a part of the front spectator seat section can be extended and used, and increase / decrease of the spectator seat can be adjusted.

DESCRIPTION OF SYMBOLS 1 audience seat structure 10 stands audience seat part 20 movable audience seat unit 21 middle audience seat part 22 bearing part 24 audience seat 25 support member 31 front stage audience seat part 32 audience seat assembly 33 audience seat 34 floor part 35 supporting frame structure 36 sliding means 39 rail 40 legs (expansion assisting member)
42 wheels

Claims (3)

A spectator seat structure comprising a stand spectator seat and a movable spectator seat unit located in front of the stand spectator seat,
The movable spectator seat unit includes a middle spectator seat and a front spectator seat.
The middle stage audience seat portion is structured to move up and down the front end side of the middle stage audience seat portion by pivoting around a bearing portion disposed on the front end side of the stand audience seat portion.
When the front end side of the middle stage seating section is lowered most, the front end side is lower than the surface height of the competition field, and the front stage seating section is accommodated below the middle stage seating section, the middle stage seating section A spectator seat structure characterized by being covered by a club . A spectator seat structure comprising a stand spectator seat and a movable spectator seat unit located in front of the stand spectator seat,
The movable spectator seat unit includes a middle spectator seat and a front spectator seat.
The middle stage audience seat portion is structured to move up and down the front end side of the middle stage audience seat portion by pivoting around a bearing portion disposed on the front end side of the stand audience seat portion.
The front spectator seat section is configured to be able to expand and contract the intervals before and after a plurality of spectator seats, and in the floor section constituting the front spectator seat section, the side length of the front side is greater than the side length of the rear side A spectator seat structure characterized by having a short rectangular shape . A spectator seat structure comprising a stand spectator seat and a movable spectator seat unit located in front of the stand spectator seat,
The movable spectator seat unit includes a middle spectator seat and a front spectator seat.
The middle stage audience seat portion is structured to move up and down the front end side of the middle stage audience seat portion by pivoting around a bearing portion disposed on the front end side of the stand audience seat portion.
The front spectator seat portion is provided so as to be able to be accommodated below the middle stage spectator seat portion, and an interval between a plurality of spectator seats can be expanded and contracted.
The front stage spectator seat section moves a plurality of passenger seat assemblies including a floor portion, a foldable chair installed on the floor portion, and a support frame supporting the floor portion, and the passenger seat assembly back and forth And slide means for
A spectator seat structure in which the floor portion has different left and right telescopic direction lengths, and the front seat assembly is nested in the rear seat assembly.

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