Multi-court sports field

Abstract

To provide an athletic field which can be changed to a heterogeneous athletic court without requiring a vast land like a multipurpose sports facility in a patent literature 1 and without performing a court change work in order to solve a problem in a conventional technique.SOLUTION: A multi-court athletic field according to the prevent invention is an athletic field having audience seats and a competition area where competitions are performed, and includes a lift floor which is arranged in the competition area, a rail for audience seat which can be laid on the upper surface of the lift floor, and slide audience seats being a portion of the audience seats. Two kinds or more of courts for individual competition are arranged on the lift floor. The audience seats can move on the rail for audience seat. By movement of the left side slide audience seats and the right side slide audience seats on the rail for audience seat to the selected court for individual competition, a portion of the audience seats is arranged in the periphery of the court for individual competition.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The invention of the present application relates to an arena for playing basketball, volleyball, futsal, etc. More specifically, it relates to a technology for an arena that can selectively implement various sports.

Background Art

[0002] Sports such as basketball, volleyball, and badminton are usually held in facilities such as sports arenas and gymnasiums (hereinafter referred to as "indoor sports facilities"). And it is rare for this indoor sports facility to be used as a dedicated facility for only a specific sport (for example, only basketball), and it is generally used for various sports.

[0003] Naturally, various sports have different rules, competition spaces, and competition lines. For example, in basketball, in addition to the center line, side line, and end line, a center circle, free throw line, three-point line, etc. are also provided. In volleyball, in addition to the center line, side line, and end line, an attack line is provided. Similarly, futsal, badminton, handball, indoor tennis, etc. also have their own specific lines.

[0004] Because the lines on the court differ depending on the sport, it was necessary to remove or camouflage the lines from the previous sport and add new lines for the next sport each time the type of sport was changed (hereinafter referred to as "court change work"). However, court change work had problems such as the risk of damaging the floor surface and the time and effort required, making it impossible to hold different types of sports in a short period of time (for example, on the same day). Therefore, there was a strong demand for a technology that could carry out court change work more efficiently when changing the type of sport. Technologies that can eliminate court change work have been proposed in the past, and for example, Patent Document 1 proposes a multi-purpose sports facility in which various types of courts for different sports are pre-installed within a single area. [Prior art documents] [Patent Documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 2006-142010 [Overview of the Initiative] [Problems that the invention aims to solve]

[0006] The multi-purpose sports facility disclosed in Patent Document 1 has an athletics track, a five-a-side football court, a volleyball court, a basketball court, and other facilities all located within the same building, with lines pre-marked for each sport. Therefore, multiple types of sports can be held in this multi-purpose sports facility without the need to change courts. However, because it has courts for various sports, the area it occupies is naturally large, meaning that the multi-purpose sports facility is vast, and as a result, the desired sports court may be located far from some of the spectator seats. For example, in Figure 1 shown in Patent Document 1, a five-a-side football court is located between the left-hand spectator seats and the basketball court, and there is a considerable distance from the left-hand spectator seats to the basketball court. Thus, the multi-purpose sports facility disclosed in Patent Document 1 has the problem of being extremely difficult for spectators to watch the games.

[0007] The object of the present invention is to solve the problems of the prior art, namely, to provide a sports field that does not require a vast amount of land like the multipurpose sports facility in Patent Document 1, and that can be converted into courts for different types of sports without performing court modification work (removal and installation of lines). [Means for solving the problem]

[0008] The present invention was developed by focusing on the arrangement of multiple types of individual competition courts and the relocation of some of the seating areas to the vicinity of each individual competition court, and is an invention based on a completely new idea.

[0009] The multi-court stadium of the present invention is a stadium having seating and a competition area where competitions are held, and is equipped with a lifting floor located in the competition area, seating rails that can be laid on the upper surface of the lifting floor, and sliding seats that are part of the seating area. Two or more individual competition courts are laid on the lifting floor, and the sliding seats can move along the seating rails. The two or more individual competition courts are arranged in the direction of a first axis set in the competition area, and the seating rails are laid in the direction of the first axis. The sliding seats consist of left-side sliding seats provided on one end of the seating rails and right-side sliding seats provided on the other end of the seating rails. The left-side sliding seats and right-side sliding seats move along the seating rails to one selected individual competition court, so that part of the seating area is arranged around the individual competition court.

[0010] The multi-court sports field of the present invention may further include a fixed floor on which one individual sports court is arranged, and a lifting device for lifting and lowering a lifting floor. The lifting floor, when lowered by the lifting device, can be placed on the upper surface of the fixed floor. When the lifting device lifts the lifting floor to a predetermined height, the individual sports courts arranged on the fixed floor become usable.

[0011] The multi-court sports arena of the present invention can also be configured such that the lifting floor is composed of multiple divided floors. In this case, the lifting device can independently lift and lower each divided floor. Then, after arranging a portion of the seating area around the individual sports courts of the divided floors placed on the upper surface of the fixed floor, a portion of the individual sports courts located on the fixed floor becomes usable below the divided floors that are lifted by the lifting device.

[0012] The multi-court sports field of the present invention may also be configured such that natural grass is laid on a portion of the upper surface of the fixed floor. In this case, support legs are provided on the underside of the liftable floor, and lighting and watering means are installed. When the liftable floor is placed on the upper surface of the fixed floor, the support legs make contact with the portion of the upper surface of the fixed floor where natural grass is not laid, and the lighting and watering means are positioned at a predetermined distance from the natural grass. [Effects of the Invention]

[0013] The multi-court sports field of the present invention has the following effects: (1) A wide variety of sports can be held in a single sports facility. (2) Because the court can be changed to a court for a different sport without performing court modification work (removing and creating new lines), preparations for the next sport can be made in a short period of time. (3) Since the sliding seating is close to the individual competition courts, it is possible to avoid the inconvenience of watching from distant seating areas as in Patent Document 1. [Brief explanation of the drawing]

[0014] [Figure 1] A schematic plan view showing the multi-court sports field of the present invention. [Figure 2] A schematic plan view showing the left and right sliding seating areas moved to the perimeter of the central individual competition courts. [Figure 3] A schematic plan view showing the state where only the left-side sliding seating area has moved to the area around the individual competition courts at the far right. [Figure 4] A schematic plan view showing the fixed floor that constitutes the multi-court sports field of the present invention. [Figure 5] (a) is a schematic cross-sectional view in the second axis direction showing a multi-court sports arena with a two-tiered structure consisting of an elevating floor and a fixed floor, and (b) is a schematic vertical cross-sectional view in the first axis direction showing a multi-court sports arena with a two-tiered structure consisting of an elevating floor and a fixed floor. [Figure 6] A schematic cross-sectional view showing a multi-court sports arena where the lifting floor is suspended by a lifting device. [Figure 7] A schematic plan view showing a lifting floor formed by multiple divided floor sections. [Figure 8] A schematic plan view showing a divided floor, including a specific court for individual sports, placed on a fixed floor, with other divided floors being lifted and the space above the fixed floor courts open. [Figure 9]A cross-sectional view schematically showing a state in which a divided floor including a specific individual competition court is placed on a fixed floor, and another divided floor is lifted to open the space above the fixed floor court. [Figure 10] A cross-sectional view schematically showing lighting means and watering means provided on the lower surface side of the liftable floor. [Figure 11] A step diagram shown in cross-section of the procedure from the state where all the divided floors are placed on the fixed floor to the state where some of the divided floors are lifted.

Mode for Carrying Out the Invention

[0015] An example of an embodiment of the multi-court arena of the present invention will be described based on the drawings.

[0016] FIG. 1 is a plan view schematically showing a multi-court arena 100 of the present invention. As shown in this figure, the multi-court arena 100 of the present invention has a competition area formed in the center, and spectator seats 110 are installed around the competition area. It includes a liftable floor 120 and spectator seat rails 130, and can also include a fixed floor and a lifting device, etc. to be described later. Hereinafter, each main element constituting the multi-court arena 100 of the present invention will be described in detail.

[0017] (Liftable Floor) The liftable floor 120 is so-called a base forming the competition area, and the competition area is formed by laying two or more types of individual competition courts 121 on its upper surface. For example, in FIG. 1, from the left, a handball court, a volleyball court, an artificial turf tennis court, a futsal court, and a basketball court are laid in this order, and a track TR for athletics is laid around to form the competition area. Thus, the plurality of individual competition courts 121 are arranged side by side in one direction. For the sake of convenience, here, the direction in which the individual competition courts 121 are arranged (the direction on the horizontal plane) is called the "first axis direction (left-right direction in the figure)", and the direction orthogonal to this first axis direction (the direction on the horizontal plane) is called the "second axis direction (up-down direction in the figure)".

[0018] On the upper surface of the lifting floor 120, in addition to the individual competition courts 121, seating rails 130 are laid. These seating rails 130 are laid in the direction of the first axis, and in Figure 1, for example, two seating rails 130 are laid in the direction of the first axis, flanking the individual competition courts 121. However, the seating rails 130 are designed to be removable even after being laid, and it is preferable to have a structure in which one seating rail 130 is completed by connecting multiple divided sections (divided rails). The lifting floor 120 can be raised and lowered by a lifting device as described later, or it can be fixed in a fixed position without being raised and lowered. If it is not raised and lowered, the lifting floor 120 can also be called the "competition court floor 120".

[0019] (audience seats) The seating area 110 is arranged to surround the lifting floor 120 (i.e., the competition area) and consists of sliding seats 111 and fixed seats 112. The sliding seats 111 consist of a left sliding seat 111L and a right sliding seat 111R. For example, in Figure 1, the left sliding seat 111L and the right sliding seat 111R are arranged facing each other, separated in the first axis direction. In other words, the left sliding seat 111L is located at one end of the seating rail 130 (the left side in the figure), and the right sliding seat 111R is located at the other end of the seating rail 130 (the right side in the figure). Then, fixed seats 112 are arranged in two locations facing each other, separated in the second axis direction (vertically in the figure).

[0020] The fixed seats 112 that make up the seating area 110 are fixed in place and do not move. In contrast, the sliding seats 111 (that is, the left sliding seat 111L and the right sliding seat 111R) are structured to be movable along the seating rail 130 in the first axis direction. Various conventional technologies can be used to move the sliding seats 111, such as towing devices such as roller chains, jacks, and winches, or self-propelled means such as motors and engines. For convenience, here we will refer to the arrangement in which the sliding seats 111 are in a series with the fixed seats 112 as shown in Figure 1 as the "fixed position," and further, when the sliding seats 111 move away from the fixed position (that is, move towards the center of the competition area), it will be referred to as "forward movement," and when the sliding seats 111 move back to the fixed position, it will be referred to as "backward movement." In other words, in the example shown in Figure 1, the left sliding seat 111L moving to the right is forward movement, and moving to the left is backward movement. Similarly, the right sliding seat 111R moving to the left is forward movement, and moving to the right is backward movement.

[0021] As previously mentioned, the lifting floor 120, which is equipped with multiple types of individual competition courts 121, naturally occupies a large area, and some of the seats 110 will be located far from the desired individual competition court 121. For example, in Figure 1, when a competition is being held on the central individual competition court 121 (i.e., the artificial turf tennis court), it is difficult to watch from the left sliding seats 111L and the right sliding seats 111R. Therefore, as shown in Figure 2, the left sliding seats 111L are moved forward to the vicinity of the individual competition court 121 for tennis, and the right sliding seats 111R are also moved forward to the vicinity of the individual competition court 121 for tennis. As a result, both the left sliding seats 111L and the right sliding seats 111R are brought closer to the individual competition court 121 for tennis, allowing them to fully enjoy watching the competition (in this case, tennis). Of course, once the competition is over, it's a good idea to move the left-side sliding seat 111L and the right-side sliding seat 111R backwards and return them to their original positions.

[0022] As shown in Figure 2, it is not limited to cases where both the left-side sliding seating area 111L and the right-side sliding seating area 111R are moved; it is also possible to move only one of them for viewing. For example, in Figure 3, the competition is held on the rightmost individual competition court 121 (i.e., a basketball court). The left-side sliding seating area 111L is moved forward to near the individual competition court 121 for basketball, but the right-side sliding seating area 111R remains in its fixed position as it is already close enough to the individual competition court 121 for basketball.

[0023] (Fixed bed) Figure 4 is a schematic plan view showing the fixed floor 140 that constitutes the multi-court sports field 100 of the present invention. The fixed floor 140, like the liftable floor 120, is, so to speak, the base that forms the sports area. However, a sports court (hereinafter referred to as "fixed floor court 141") requiring a larger area than the individual sports courts 121 laid on the liftable floor 120 is laid on the upper surface of the fixed floor 140, and in Figure 4, for example, a fixed floor court 141 for soccer is laid.

[0024] The multi-court sports field 100 equipped with a fixed floor 140 has a two-tiered structure, as shown in Figure 5, with the liftable floor 120 on the upper level and the fixed floor 140 on the lower level. In this case, the liftable floor 120 should be designed to be placed on the upper surface of the fixed floor 140. However, if it is placed directly on the fixed floor court 141, for example, the natural grass on the fixed floor court 141 may be damaged, so it is desirable to design it so that it can be placed without interfering with (contacting) the fixed floor court 141. In the example in Figure 5(b), support legs 122 are provided on both ends of the underside of the liftable floor 120 (both ends in the first axial direction in the figure). These support legs 122 make contact with the parts where the fixed floor court 141 (for example, natural grass) is not laid, thereby allowing the liftable floor 120 to be placed on the fixed floor 140 without interfering with the fixed floor court 141. In other words, when the lifting floor 120 is placed on the fixed floor 140, a predetermined space (hereinafter referred to as the "growth space") is formed between the fixed floor court 141 and the lifting floor 120 by the support legs 122. In Figure 5(b), the support legs 122 are shown as a single, continuous unit in the first axial direction (the depth direction of the paper in the figure), but this is not the only option. Multiple support legs 122 can be arranged with intervals in the first axial direction, or support legs 122 can be provided at both ends in the second axial direction.

[0025] By the way, if the structure consists of a two-tiered design with an upper lifting floor 120 and a lower fixed floor 140, then naturally, when the lifting floor 120 is placed on the fixed floor 140, the fixed floor court 141 cannot be used. Therefore, it is preferable that the multi-court sports field 100 of the present invention be equipped with a lifting device, and that the lifting floor 120 be raised and lowered by this lifting device. The lifting device is a device that lifts and lowers the lifting floor 120, and if the lifting floor 120 can be raised and lowered, then various conventionally used technologies can be utilized.

[0026] For example, the lifting device shown in Figure 6 is configured to include a ceiling beam 161, multiple suspension ropes 162, and hoisting means (e.g., a winch, hoist crane, jack, etc.) not shown in this figure. The ceiling beam 161 is installed on the ceiling roof 151 supported by the ceiling support 152, and is arranged to cover part or all of the lifting floor 120 in a plan view. For example, a part of the lifting floor 120 can be covered by arranging a ceiling beam 161 with a length equal to or greater than the length of the lifting floor 120 in the first axis direction (or second axis direction) at both ends of the lifting floor 120 in the second axis direction (or first axis direction). Alternatively, the entire movable floor surface 210 can be covered by arranging multiple ceiling beams 161 in parallel so as to be spaced apart in the second axis direction (or first axis direction), or the entire lifting floor 120 can be covered by using the ceiling beam 161 as a planar (panel) structure.

[0027] Furthermore, the lower end of the suspension rope 162 can be attached to the ceiling support 152, and a hoisting mechanism (such as a winch) is installed on the ceiling beam 161. After the lower end of the suspension rope 162 is attached to the ceiling support 152, the lifting floor 120 rises when the hoisting mechanism winds up the suspension rope 162, and the lifting floor 120 lowers when the hoisting mechanism unwinds the suspension rope 162. In Figure 6, the suspension ropes 162 (two on each side in the figure) are arranged on both ends of the lifting floor 120 in the first axis direction (left and right direction in the figure), but the configuration is not limited to this, and multiple suspension ropes 162 can be arranged with intervals along the entire first axis direction, or multiple suspension ropes 162 can be arranged in the second axis direction. However, it is desirable to arrange the suspension ropes 162 on both ends of the lifting floor 120 so that the suspension ropes 162 do not interfere with the individual competition courts 121 on the lifting floor 120.

[0028] (split floor) When the lifting floor 120 is configured to move up and down, the lifting floor 120 can be formed as a single unit without division, or it can be formed by dividing the lifting floor 120 into multiple planar divisions (five divisions in the figure), as shown in Figure 7, to form divided floors 120S. In particular, when the area of ​​the lifting floor 120 is vast and its weight is considerably large, it is advisable to form the lifting floor 120 with two or more lifting floors 120. In the example in Figure 7, the lifting floor 120 is divided for each individual competition court 121, or in other words, one individual competition court 121 is laid on the top surface of each divided floor 120S, but this is not limited to this, and the design can be appropriately adapted to the situation, such as laying two individual competition courts 121 on the top surface of the divided floor 120S.

[0029] When the lifting floor 120 is formed by multiple divided floors 120S, it is desirable that the lifting device be designed to allow each divided floor 120S to be lifted independently (single-unit). For example, a suspension rope 162 and a hoisting means (such as a winch) can be provided for each divided floor 120S, allowing each divided floor 120S to be lifted independently. This makes it possible to use a specific individual competition court 121 while simultaneously using a portion of the fixed floor court 141. In other words, the divided floor 120S on which the specific individual competition court 121 is laid is placed on the fixed floor 140, while the other divided floors 120S are lifted by the lifting device to open up the space above the fixed floor court 141. In the example shown in Figure 8, a competition is being held on the second individual competition court 121 from the right (i.e., an artificial turf tennis court). The divided floor 120S, which includes this individual tennis competition court 121, is placed on the fixed floor 140, and the sliding seating area 111 moves until it approaches the individual tennis competition court 121. Meanwhile, the other divided floor 120S (the divided floor 120S on the left in the figure) is lifted by a lifting device, and as shown in Figure 9, a predetermined space (shown by a dashed line in Figure 9) is formed above the fixed floor court 141, where activities such as soccer practice or mini-games can be held.

[0030] (Lighting and watering means) If a two-layer structure consisting of an upper lifting floor 120 and a lower fixed floor 140 is used, when the lifting floor 120 is placed on the fixed floor 140, the entire upper part of the fixed floor court 141 will be covered. Therefore, in the case where natural grass is laid on the upper surface of the fixed floor court 141, the natural grass will not receive sunlight or rainwater. Therefore, as shown in Figure 10, it is preferable to provide lighting means 171 and watering means 172 on the underside of the lifting floor 120. As previously described, when the lifting floor 120 is placed on the fixed floor 140, a growing space is formed. At this time, the lighting means 171 and watering means 172 are positioned at a distance from the natural grass that is favorable for growth. The lighting means 171 irradiates the natural grass with artificial light, and the watering means 172 waters the natural grass, meaning that even when the lifting floor 120 is placed on the fixed floor 140, the natural grass is placed in a growing environment. Furthermore, the system can be configured to place lighting means 171 and watering means 172 (or either one) at multiple locations to cover the entire natural grass area, or the lighting means 171 and watering means 172 (or either one) can be moved by remote control. In addition to the lighting means 171 and watering means 172, a ventilation device (such as a blower) capable of supplying air to the growing space can also be placed.

[0031] (Example of use) Next, an example of the use of the multi-court sports field 100 of the present invention will be described with reference to Figure 11. In this figure, a game is being played on the second individual game court 121 from the right (i.e., an artificial turf tennis court), while soccer practice is being held on a portion of the fixed-floor court 141. Figure 10(a) shows the state before any preparations have been made, with all the divided floors 120S (i.e., the lifting floors 120) placed on the fixed floor 140. In Figure 10(b), as a result of the left sliding seating area 111L and the right sliding seating area 111R moving forward, a portion of the seating area 110 is formed around the individual game court 121 for tennis.

[0032] When the left sliding seating area 111L and the right sliding seating area 111R are moved, the other divided floor 120S (the left divided floor 120S in the figure) is lifted to a predetermined height (for example, 40m above) by the lifting device, as shown in Figure 10(c). At this time, the dividing rail laid on the divided floor 120S to be lifted should be disconnected from the other dividing rails (the dividing rails of the divided floor 120S that are not lifted), and that dividing rail should be removed in advance before lifting. When the divided floor 120 is lifted to the predetermined height, a predetermined space is formed above the fixed floor court 141. This makes it possible to conduct a sport (in this case, tennis) on the individual sport court 121 while simultaneously conducting soccer practice on a part of the fixed floor court 141. [Industrial applicability]

[0033] The multi-court sports field of the present invention can be effectively used in facilities that host various sports such as basketball, volleyball, badminton, futsal, and indoor tennis. [Explanation of Symbols]

[0034] 100 Multi-court sports field according to the present invention 110 seats (for multi-court sports venues) 111 (Audience seating) Sliding audience seating 111L (Left side of the sliding seating area) 111R (Right-side sliding seating area) 112 (Fixed seating) 120 (Multi-court sports field) Elevator 121 (Elevating floor) Individual competition court 122 (Support legs of the lifting floor) 120S (Divided floor of lifting floor) 130 (Seat rails for multi-court sports venues) 140 (Fixed floor of multi-court sports venue) 141 (Fixed floor) Fixed floor coat 151 (Ceiling roof of a multi-court sports field) 152 (Ceiling support for multi-court sports venues) 161 (Ceiling beam of a multi-court sports field) 162 (Multiple suspension ropes for multi-court sports fields) 171 Lighting means (for multi-court sports venues) 172 Sprinkling methods (for multi-court sports fields) TR athletics track

Claims

1. A stadium having seating areas and competition areas where competitions are held, A lifting floor is provided in the aforementioned competition area, on which two or more individual competition courts are laid, A passenger seating rail that can be laid on the upper surface of the aforementioned lifting floor, A portion of the aforementioned seating area, comprising a sliding seat that can move along the aforementioned seating rail, 1. A fixed floor on which the individual competition courts are arranged, The lifting device includes a lifting and lowering device for raising and lowering the aforementioned lifting floor. Two or more of the aforementioned individual competition courts are arranged in the first axial direction set in the competition area. The aforementioned passenger seating rails are laid so as to be in the first axial direction, The sliding seating includes a left-side sliding seating provided on one end of the seating rail and a right-side sliding seating provided on the other end of the seating rail, The left sliding seating area and the right sliding seating area move along the seating rail to the selected individual competition court, so that a portion of the seating area is arranged around the individual competition court. The lifting floor, which is lowered by the lifting device, can be placed on the upper surface of the fixed floor. The aforementioned lifting floor is composed of multiple divided floors, The lifting device is capable of independently lifting and lowering each of the divided floors. A portion of the seating area is arranged around the individual competition courts of the divided floor, which is placed on the upper surface of the fixed floor, and a portion of the individual competition courts located on the fixed floor becomes usable below the divided floor, which is lifted by the lifting device. A multi-court sports field characterized by its unique features.

2. A stadium having seating areas and competition areas where competitions are held, A lifting floor is provided in the aforementioned competition area, on which two or more individual competition courts are laid, A passenger seating rail that can be laid on the upper surface of the aforementioned lifting floor, A portion of the aforementioned seating area, comprising a sliding seat that can move along the aforementioned seating rail, 1. A fixed floor on which the individual competition courts are arranged, The lifting device includes a lifting and lowering device for raising and lowering the aforementioned lifting floor. Two or more of the aforementioned individual competition courts are arranged in the first axial direction set in the competition area. The aforementioned passenger seating rails are laid so as to be in the first axial direction, The sliding seating includes a left-side sliding seating provided on one end of the seating rail and a right-side sliding seating provided on the other end of the seating rail, The left sliding seating area and the right sliding seating area move along the seating rail to the selected individual competition court, so that a portion of the seating area is arranged around the individual competition court. The lifting floor, which is lowered by the lifting device, can be placed on the upper surface of the fixed floor. When the lifting device raises the lifting floor to a predetermined height, the individual competition courts located on the fixed floor become usable. Natural grass is laid on a portion of the upper surface of the aforementioned fixed floor. Support legs are provided on the underside of the aforementioned lifting floor, and lighting and watering means are installed. When the lifting floor is placed on the upper surface of the fixed floor, the support legs make contact with the portion of the upper surface of the fixed floor where the natural grass is not laid, and the lighting means and the watering means are positioned at a predetermined distance from the natural grass. A multi-court sports field characterized by its unique features.

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