JP5512345B2 - Ball rolling play equipment - Google Patents

Description

  The present invention relates to a playground equipment that can be played by rolling a ball on a board surface.

  2. Description of the Related Art Conventionally, playground equipment that can play by rolling a ball on a board surface is known. Such a play equipment generally includes a board surface and a ball on which holes (or holes), a specific range, and the like are formed. For example, a ball game toy described in Patent Document 1 includes a base having a plurality of holes provided at intervals, a small column body standing at the center of the base, and a ring formed at the edge of the base It includes a projecting edge, a ball (sphere) that enters a hole in the base, and a ball rolling base provided on the annular projecting edge. In this ball game toy, points are set for each of the plurality of holes, and the ball is rolled onto the base so that it hits the small column using a ball rolling table, and the points set in the holes containing the balls You can play how to compete for scores.

  Patent Document 2 discloses an analog lottery apparatus including a mortar member having two small holes formed in the bottom. In addition to this, it is also shown that the mortar member is provided with irregularities that reduce the speed of the sphere and an interference body that interferes with the sphere and changes the traveling direction of the sphere. In the analog lottery apparatus, one of the small holes selected by the player is set as the winning small hole, and it can be determined whether or not a ball thrown into the inner surface of the mortar member enters the winning small hole.

JP 2006-101931 A JP 2004-65931 A

  The playground equipment described in Patent Document 1 and Patent Document 2 described above are considered so that a plurality of players can compete to score. Therefore, in order for each player to enjoy the play, (i) the ball rolls over the board in order to increase the time that the player can enjoy, and (ii) the path of the ball does not get tired of the player. To change unexpectedly by the player, (iii) In order to maintain the concentration of the player, at least the requirements (i) to (iii) above that the ball is at or near the hole are satisfied. Good.

  In the ball game toy of Patent Document 1, a sphere thrown from the peripheral part toward the approximate center of the board surface changes to the peripheral part by abutting against the small column body and moving to the peripheral part, and in a hole provided in the peripheral part. It will fit. In this ball game toy, the ball is in contact with the small columnar body or the annular rim, but the course of the ball is within the range assumed by the player. Furthermore, the sphere does not necessarily stop at or around the hole around the board surface. Therefore, the ball game toy does not satisfy the requirements (ii) and (iii).

  Moreover, in the analog lottery apparatus of Patent Document 2, the sphere thrown into the peripheral portion of the mortar-shaped board surface moves while spirally falling on the board surface, and a small hole provided at a low position substantially at the center of the board surface. Fits in. In this analog lottery apparatus, the ball always moves to the bottom of the mortar-shaped board surface, so the course of the ball is similar for each pitch. Therefore, the analog lottery device does not satisfy the requirement (ii).

  In the analog lottery apparatus, the board surface is formed of a plate-like material having a hole such as punching metal, or a plurality of grooves extending in the radial direction from the center of the circle are provided on the board surface. Unevenness is provided on the board surface. However, the unevenness is for reducing the speed of the sphere in order to gain time in the introduction process until reaching the small hole, and not for changing the course of the sphere.

  In view of the above, in the present invention, a play equipment for a player to play a ball by rolling the ball on the board surface on which the recess is formed, and (i) the ball rolls over the board surface over time, (Ii) Provided that the path of the sphere changes unexpectedly by the player, and (ii) that the stationary position of the sphere is at or near the recess, at least satisfying the requirements (i) to (iii) above. For the purpose.

The ball rolling playground equipment according to the present invention is
At least one sphere;
Convergence having a plurality of small concave portions arranged in a circular plane and distributed , and at least one large concave portion arranged on the inner peripheral side of the plurality of small concave portions located on the outermost peripheral side. a ring shape that surrounds the band, the outer periphery of the converging zone, the have a horizontal plane of the inner circumference side slope descending toward the convergence zone is provided slopes and than, said having a tangential velocity component A board surface on which an introduction area into which a sphere is introduced, an annular area that smoothly connects between the introduction area and the convergence area, and an acceleration area that has an inclination downward toward the convergence area ; Bei to give a,
The small concave portion is a concave portion having a circular opening having a diameter smaller than the diameter of the sphere,
The large recess portion is concave portion der shall have a circular opening with a diameter more than the diameter of the sphere. Here, the small concave portion means a concave shape portion from the board surface such as a hole, hole, or dent that opens on the board surface, and the large concave part means a hole, hole, or dent that opens on the board surface with a larger opening area than the small concave part. It refers to the concave part from the board surface.

  In the ball rolling toy having the above-described configuration, the diameter of the opening of the small recess is smaller than the diameter of the sphere, so if the ball is not sufficiently decelerated even if there is a small recess in the path of the sphere, the sphere becomes a small recess. The path is changed while coming into contact with the edge of the small recess without being fitted and decelerating. Although the sphere is affected from the large recess as well as the small recess, the large recess has an opening larger than the small recess, so that the probability that the sphere fits is higher than that of the small recess. If the ball is introduced into the introduction area of the board surface and rolled in the tangential direction using the ball rolling playground equipment having the above configuration, the ball moves to the inner circumference side while circling the introduction area and reaches the convergence area. Thus, the sphere that has entered the convergence zone with the speed in the tangential direction and the center in the radial direction moves so as to swing while changing its traveling direction while decelerating under the influence of the small and large recesses. It stops at the small concave part, large concave part or its periphery in the convergence area. In this ball rolling playground equipment, the ball moves around the introduction area and moves so as to sway in the convergence area, so that the ball rolls on the board surface for a sufficient time. In addition, in this ball rolling playground equipment, the influence of the small concave portion and the large concave portion on the ball in the convergence area in addition to the position of the ball entering the convergence area becomes an uncertain factor, so the course of the ball changes unexpectedly. . Therefore, it is difficult for the player who rolls the ball to the board surface to control the behavior of the ball or to intentionally select the stationary position, and it is possible to have high game play. Moreover, since the sphere enters the convergence area at a speed that is tangential and radially centered, the sphere changes its course while decelerating under the influence of the small or large recess, but to the center of the convergence area. Oppositely, it finally stops at the small concave portion or large concave portion or in the vicinity thereof in the convergence area. As described above, according to the ball rolling play equipment, (i) the ball rolls over the board over time, so the player can enjoy a long time, and (ii) the path of the ball changes beyond the player's expectation, so the player gets bored. (Iii) Since the stationary position of the sphere is at or near the recess, the concentration of the player can be maintained. Therefore, the ball rolling play equipment according to the present invention can be provided with high playability.

Further, according to the above-mentioned ball rolling play equipment, the sphere that has entered the acceleration area on the inner peripheral side while going around the introduction area is accelerated toward the center in the radial direction at once in the acceleration area, and quickly reaches the convergence area. The movement of the sphere passing through the acceleration area looks as if it is sucked to the convergence area, and you can enjoy observing the movement of the sphere. Furthermore, the sphere can be reliably converged in the convergence range.

In the ball rolling play apparatus, it is preferable that the longitudinal cross-sectional shape in the radial direction of the introduction area has a lower ¼ arc portion and a horizontal line portion continuous on an inner peripheral side thereof . By such a shape of the introduction area, it is possible to earn time for rotating the introduction area. Also, since the sphere that has reached the inner circumference of the introduction area while entering the introduction area enters the acceleration area in a sufficiently decelerated state, observe the movement of the sphere that appears to be sucked into the convergence area. I can enjoy it.

  In the ball rolling play apparatus, the corners of the opening edges of the large recess and the small recess are preferably rounded or chamfered. This prevents the player's fingers touching the board from being damaged. In addition, the sphere is easy to fit into the large recess and the small recess and easily escape.

In the ball rolling play apparatus, the large concave portion may be a hole having a shape in which a countersunk hole shape and a cylindrical hole shape are combined vertically. The ball rolling playground equipment may further include at least one large sphere having a diameter larger than the diameter of the opening of the large recess.

  In the ball rolling play apparatus, it is preferable that the board surface is provided with a barb that protrudes inward from an outer peripheral edge of the introduction area and is opposed to at least a part of the introduction area in the vertical direction. As a result, it is possible to return the ball that is about to jump out of the board surface into the board surface by abutting it back.

  In the ball rolling play apparatus, it is preferable that the board surface is detachably provided with an obstacle having a base portion that can be inserted into the large concave portion or the small concave portion. By providing a further obstacle on the board surface, the movement of the ball rolling on the board surface can be made more complicated. In addition, when a plurality of players roll and play with playground equipment, obstacles can be arranged so as to obstruct the course of the balls rolled by other players, thereby further enhancing the playability.

  In the ball rolling play equipment according to the present invention, the sphere moves around the introduction area and moves so as to sway even in the convergence area. Therefore, the sphere rolls on the board over a sufficient time. In addition, in this ball rolling playground equipment, the influence of the small concave portion and the large concave portion on the ball in the convergence area in addition to the position of the ball entering the convergence area becomes an uncertain factor, so the course of the ball changes unexpectedly. . Therefore, it is difficult for a player who rolls a ball to the board to control the behavior of the ball or to intentionally select a stationary position. Moreover, since the sphere enters the convergence area at a speed that is tangential and radially centered, the sphere changes its course while decelerating under the influence of the small or large recess, but to the center of the convergence area. Oppositely, it finally stops at the small concave portion or large concave portion or in the vicinity thereof in the convergence area. As described above, the ball rolling play equipment according to the present invention can be provided with high playability.

It is the perspective view which showed the whole structure of the ball rolling play equipment which concerns on embodiment of this invention. It is a top view of a board. FIG. 3 is a sectional view taken along the line III-III in FIG. 2. It is a figure explaining a sphere, (a) is a figure of a small sphere, (b) is a figure of a large sphere. It is a figure explaining a small recessed part, (a) is a top view, (b) is a sectional side view. It is a figure explaining a large recessed part, (a) is a top view, (b) is a sectional side view. It is a figure explaining the relationship between the recessed parts on a board surface. FIG. 3 is a plan view of a board surface and a sphere for explaining an example of the behavior of the sphere on the board surface, (a) when the sphere is introduced, (b) when the sphere is accelerated, and (c) when the sphere converges. ing. It is a top view of the board surface which shows an example of the locus | trajectory of one sphere at the time of rolling a some sphere on the board surface. It is a side view of a dent and a sphere for explaining a pattern of an influence which a dent has on the course of a sphere. (A) is a state in which spheres collide with each other, (b) is a state in which a sphere rebounds at an opening edge of the recess, ) Shows how the ball jumps over the recess. It is a part of board surface for explaining the pattern of the influence which a crevice has on the course of a sphere, and a top view of a sphere. It is a sectional side view of the recessed part which inserted the insertion stick | rod as an obstruction.

  Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. In the following description, the same or corresponding elements are denoted by the same reference symbols throughout the drawings, and redundant description thereof is omitted.

[Structure of ball rolling playground equipment]
First, the overall structure of the ball rolling playground equipment according to the embodiment of the present invention will be described. FIG. 1 is a perspective view showing the overall configuration of a ball rolling play apparatus according to an embodiment of the present invention, FIG. 2 is a plan view of the board, and FIG. 3 is a sectional view taken along the line III-III in FIG. As shown in FIGS. 1 to 3, the ball rolling play apparatus 10 includes one or more balls 5 and a board 7 on which an upward board surface 3 on which the balls 5 roll is formed.

  The sphere 5 is a sphere composed of a material such as glass, synthetic resin, wood, or metal. The sphere 5 may be hollow or solid. Furthermore, the shape of the sphere 5 included in the ball rolling play apparatus 10 is not limited to one type, and a plurality of types of spheres 5 having different diameters may be provided. The ball rolling play apparatus 10 according to the present embodiment includes two types of large and small spheres 5, a small sphere 51 serving as a basic sphere and a large sphere 52 having a larger diameter. As shown in FIG. 4, the diameter d4 of the small sphere 51 is smaller than the diameter d5 of the large sphere 52. For example, a commercially available marble having a diameter of 25 mm is used as a small marble 51 having a diameter of 15 mm. Each can be employed as the sphere 52.

  The board 7 is composed of two members, a base member 71 and a board member 72. The base member 71 has a short cylindrical block shape in which a flat bowl-shaped dent is formed on the upper surface, and a circular groove 71a is formed at a substantially central portion of the flat bowl-shaped dent. The disk member 72 has a disk shape and is fitted into a circular groove 71 a on the upper surface of the base member 71. Therefore, a flat bowl-shaped dent is formed on the upper surface of the board 7 by the upper surface of the base member 71 and the upper surface of the board member 72, and the surface of the flat bowl-shaped dent is the board surface 3.

  The board surface 3 has a circular convergence area 31 in plan view, an introduction area 33 in a planar view surrounding the outer periphery of the convergence area 31, and a planar view ring shape that smoothly connects the convergence area 31 and the introduction area 33. The acceleration region 32 is provided. That is, the board surface 3 is formed with ranges having different functions from the inner peripheral side in the order of the convergence area 31, the acceleration area 32, and the introduction area 33, respectively. In the board surface 3 according to the present embodiment, the outer diameter of the convergence area 31 is 300 mm, the inner diameter of the acceleration area 32 is 300 mm and the outer diameter is 340 mm, and the inner diameter of the introduction area 33 is 340 mm and the outer diameter. Is 550 mm. That is, the width of the acceleration region 32 is extremely narrow compared to the convergence region 31 and the introduction region 33.

  The convergence area 31 is a range in which the sphere 5 rolling on the board surface 3 converges, and a plurality of concave portions 34 in which the sphere 5 is accommodated (entered) are formed. The plurality of recesses 34 include at least different opening areas between a plurality of small recesses 36 opening in the board surface 3 and one or more large recesses 35 opening in the board surface 3 with an opening area larger than the small recesses 36. Two types of recesses 34 are included. The opening edges of these recesses 34 are rounded or chamfered. Thereby, there is no risk of injury to the player's fingers touching the board surface 3 at the opening of the recessed portion 34, and the sphere 5 is easier to enter the recessed portion 34 than when the opening edge of the recessed portion 34 is sharp, and from the recessed portion 34. Easier to escape. In addition, the recessed part 34 should just be a concave-shaped part from the board surface 3, and can be made into any one type among a hole, a hole, a groove | channel, a hollow, etc., or the combination of multiple types among these.

  FIGS. 5A and 5B are views for explaining the small concave portion. FIG. 5A is a plan view, and FIG. 5B is a side sectional view. FIGS. 6A and 6B are views for explaining the large concave portion, wherein FIG. 6A is a plan view and FIG. 6B is a side sectional view. As shown in FIGS. 5 and 6, both the large recess 35 and the small recess 36 according to the present embodiment are formed as circular holes. And the diameter d1 of the small recessed part 36 is smaller than the diameter d4 of the small sphere 51 which is a basic sphere. For example, when the diameter d4 of the small sphere 51 is 15 mm, the diameter d1 of the small recess 36 can be 8 mm. In the relationship between the small sphere 51 and the small recess 36, when the small recess 36 exists on the path of the small sphere 51, the small sphere 51 can be accommodated in the small recess 36. In comparison, since the diameter of the small recess 36 is small, the probability that the small sphere 51 spills from the small recess 36 is high. Similarly, when the small recess 36 is present on the path of the large sphere 52, the probability that the large sphere 52 falls from the small recess 36 is higher than that of the small sphere 51.

  On the other hand, the diameter d3 of the large recess 35 is equal to or larger than the diameter d1 of the small recess 36 and the diameter d4 of the small sphere 51 that is a basic sphere, and is smaller than the diameter d5 of the large sphere 52. Here, the large concave portion 35 is a hole having a combination of a countersunk hole shape and a cylindrical hole shape, and the diameter of the countersunk hole portion decreases in proportion to the depth from the diameter d3 of the opening. The portion below the diameter d2 is a cylindrical hole-shaped portion. As such a large concave portion 35, for example, when the diameter d4 of the small sphere 51 is 15 mm and the diameter d5 of the large sphere 52 is 25 mm, the diameter d3 of the opening is 15 mm and the minimum diameter d2 is 8 mm. it can. In the relationship between the small sphere 51 and the large recess 35, when the large recess 35 exists on the path of the small sphere 51, the small sphere 51 comes into contact with the opening edge of the large recess 35 and spills from the large recess 35. In some cases, however, the diameter of the large recess 35 is larger than the diameter of the small sphere 51, so that the decelerated small sphere 51 is likely to be accommodated in the large recess 35. Further, when the large concave portion 35 exists on the course of the large sphere 52, the probability that the large sphere 52 is accommodated in the large concave portion 35 is lower than that of the small sphere 51. In addition, although the relationship of the magnitude | size of the large recessed part 35, the small recessed part 36, the small sphere 51, and the large sphere 52 is not limited to the above, the large recessed part 35, the small recessed part 36, the small sphere 51, and the large sphere 52 are mentioned above. If the relationship of the size is determined, the difference in the influence of the large recess 35 and the small recess 36 on the path of the sphere 5 can be clarified.

  In the convergence area 31 according to the present embodiment, the first circle composed of 10 small recesses 36 arranged concentrically with the convergence area 31, also from the 5 large recesses 35 and the 5 small recesses 36. A second circle consisting of seven small recesses 36, a fourth circle consisting of seven large recesses 35 and fourteen small recesses 36, and also consisting of twelve small recesses 36. A fifth circle, that is, a sixth circle consisting of 12 large concave portions 35 and 24 small concave portions 36, and six large circles 35 having different diameters provided in the center of the convergence area 31, They are arranged from the inner peripheral part to the outer peripheral part in ascending order of the numbers. A pattern is formed on the board surface 3 by the plurality of recesses 34 arranged in an annular manner as described above, and the board 7 has not only a ball rolling play equipment but also a design as an interior.

  In the convergence area 31, in principle, at least a plurality of small recesses 36 disposed on the outer periphery, and one or more of the plurality of small recesses 36 disposed on the inner periphery side than the one positioned most on the outer periphery side. It is sufficient that the large concave portion 35 exists. Thereby, the sphere 5 that has entered from the outer peripheral edge of the convergence area 31 toward the inner peripheral side moves further to the inner peripheral side while decelerating or changing the course under the influence of the small recess 36, It will be housed in the large recess 35. However, as in the sixth circle, the large concave portion 35 may be mixed with the plurality of small concave portions 36 arranged at the outermost peripheral portion of the convergence area 31.

  Note that it is desirable that the number of the concave portions 34 provided in the convergence area 31 is large because more elements that affect the path of the sphere 5 increase. However, as shown in FIG. 7, between the first sphere 5A received in the first recess 34A and the second sphere 5B received in the second recess 34B adjacent to the first recess 34A. The distance d6 between the first recess 34A and the second recess 34B must be determined so that the third sphere 5C can pass through. In addition, the plurality of recesses 34 may be arranged in a part of the convergence area 31, but if a large number of recesses 34 are dispersed in the convergence area 31 as described above, the sphere 5 has an influence from the recesses 34. It is desirable because it becomes easier to receive. Furthermore, since the sphere 5 that has entered the convergence area 31 moves inward from the outer peripheral portion, it is desirable to provide a large number of small recesses 36 particularly in the outer peripheral portion of the convergence area 31.

  The introduction area 33 forms an outer peripheral band of the board surface 3 and is a part where the sphere 5 is first introduced into the board surface 3. A cross section in the radial direction (hereinafter simply referred to as “radial direction”) around the center of the board surface 3 of the introduction area 33, that is, a longitudinal section passing through the center of the convergence area 31 is directed toward the convergence area 31. It is formed by a lower 1/4 arc portion (curved portion) that descends and a substantially horizontal line portion that continues to the lower end thereof. Since the surface formed by the upper part of the lower ¼ arc portion is a steep slope descending toward the convergence region 31, it functions as an outer peripheral wall that prevents the movement of the sphere 5 toward the outer peripheral side. Further, the surface formed by the middle part of the lower ¼ arc portion has a slope that gradually falls toward the convergence region 31. Furthermore, the surface formed by the lower part of the lower ¼ arc portion is continuous with the horizontal plane formed by the substantially horizontal line portion, and has a slight inclination that goes down toward the convergence region 31.

  The acceleration region 32 is an inclined surface that smoothly connects the convergence region 31 and the introduction region 33, and conveys the sphere 5 at the inner periphery of the introduction region 33 toward the inner periphery side and conveys it to the convergence region 31. For this reason, the acceleration region 32 has an inclination that decreases toward the convergence region 31 at a larger angle than the inner peripheral edge portion of the introduction region 33. In the present embodiment, the convergence area 31 and the acceleration area 32 are provided in the board member 72, and the introduction area 33 is provided in the base member 71. If the board member 72 is replaced with another one for the base member 71, the board surface 3 of the convergence area 31 having a different shape or arrangement of the recesses 34 can be realized at low cost and easily.

  Further, a barb 73 is provided on the upper surface of the board 7 to prevent the sphere 5 introduced into the introduction area 33 of the board surface 3 from jumping upward from the outer peripheral edge of the introduction area 33. The barb 73 is integrally formed with the base member 71 so as to protrude substantially horizontally in a bowl shape from the outer peripheral edge of the introduction area 33 of the board surface 3 toward the inside, and at least a part of the introduction area 33 And have surfaces that face vertically. In addition, the protrusion width to the inner peripheral side of the return 73 is sufficient if it can rebound the sphere 5 that is about to jump upward from the outer peripheral edge of the introduction area 33 of the board surface 3, and the protrusion width is excessive. If it is larger, it is difficult to introduce the sphere 5 into the introduction area 33.

[Behavior of sphere 5]
Here, the behavior of the sphere 5 rolling on the board surface 3 having the above configuration will be described. Hereinafter, the behavior of the sphere 5 rolling on the board surface 3 when the plurality of spheres 5 are rolled on the board surface 3 will be described. FIG. 8 is a plan view of the board and the sphere for explaining the behavior of the sphere. (A) shows the time when the sphere is introduced, (b) shows the time when the sphere is accelerated, and (c) shows the time when the sphere converges. . FIG. 9 is a plan view of the board surface showing an example of a trajectory of one sphere when a plurality of balls are rolled on the board surface. In FIG. 9, the trajectory 500 of the sphere 5 is indicated by a thick line.

  As shown in FIGS. 8A and 9, a plurality of spheres 5 are introduced into the outer peripheral portion (that is, the lower quarter circle portion) of the introduction region 33 of the board surface 3, and a circle centered on the center of the board surface 3. Roll in a tangential direction (hereinafter simply referred to as “tangential direction”) in contact with the circumference. Although these spheres 5 have a tangential velocity component, the accelerated sphere 5 may be introduced into the introduction area 33 or the sphere 5 introduced into the introduction area 33 may be accelerated. As a method of introducing the sphere 5 into the introduction area 33 and rolling it in the tangential direction, for example, a method of pinching the sphere 5 with a finger and dropping it onto the board surface 3, a method of grasping the sphere 5 with a hand and throwing it in the tangential direction, For example, there is a method in which the hand is moved close to the board surface 3 and the palm is opened upward or downward to drop the ball 5 onto the board surface 3, and the ball 5 is left on the board surface 3 and played with a finger or stirred with a finger.

  As described above, the sphere 5 having a tangential velocity component in the introduction area 33 of the board surface 3 moves in the tangential direction while rolling, and rotates around the annular introduction area 33. In particular, since the longitudinal cross-sectional shape of the introduction area 33 is a curve, the sphere 5 moves in the introduction area 33 to the inner peripheral side over a relatively long time. When a plurality of spheres 5 are rolling at the same time, the path of the sphere 5 is affected by contacting another sphere 5. Note that the sphere 5 rolled into the introduction area 33 may have not only a tangential velocity component but also a direction perpendicular to the tangential direction, that is, a radial velocity component and a vertical velocity component. . The sphere 5 having an upward speed component tries to jump out from the outer peripheral edge of the board surface 3, but comes into contact with the return 73 and bounces back and returns to the board surface 3 with a downward speed component.

  The sphere 5 rolling on the introduction area 33 of the board surface 3 decelerates due to friction with the board surface 3 or air resistance, and moves to the inner peripheral side of the introduction area 33 by gravity. When the sphere 5 enters the acceleration region 32 beyond the inner periphery of the introduction region 33, the sphere 5 is accelerated toward the center in the radial direction due to the inclination of the acceleration region 32 as shown in FIG. To the convergence area 31. The width of the acceleration region 32 is sufficiently smaller than the introduction region 33 and the convergence region 31, and the tangential speed of the sphere 5 reaching the inner periphery of the introduction region 33 is small. It appears that the moving sphere 5 is attracted to the convergence area 31. In particular, the inner peripheral portion of the introduction area 33 according to the present embodiment is substantially horizontal, and the tangential velocity component and the radial velocity component of the sphere 5 that has moved to the inner periphery of the introduction area 33 are the introduction area. Compared to the initial introduction to 33, it is sufficiently small. Therefore, when the sphere 5 is accelerated toward the center in the radial direction in the acceleration region 32, the velocity component in the radial direction becomes larger than the velocity component in the tangential direction of the sphere 5, and the introduction region 33 goes around the outer peripheral portion of the board surface 3. The sphere 5 moves toward the center in the convergence area 31.

  A sphere that has been accelerated toward the center in the radial direction in the acceleration region 32 and has moved to the convergence region 31 has a velocity component toward the center in the radial direction and a velocity component in the tangential direction. Thus, the behavior of the sphere 5 entering the convergence region 31 with speed changes in a complicated manner under the influence of the recess 34 and the other spheres 5. 10A and 10B are side views of the recess and the sphere for explaining the pattern of the influence of the recess on the path of the sphere. FIG. 10A shows a state in which the spheres collide with each other, and FIG. FIGS. 11A and 11C respectively show a state where the sphere jumps over the recess, and FIG. 11 is a plan view of a part of the board and the sphere for explaining a pattern of the influence of the recess on the course of the sphere. In addition, the motion of the sphere 5 labeled (a), (b), and (c) in FIG. 11 corresponds to FIGS. 10 (a), (b), and (c), respectively.

  As shown in FIGS. 10 (a) and 11, when there is a first sphere 5A that is stationary in the recess 34, the second sphere 5 that has moved to the first sphere 5A is hit. When it comes into contact, the second sphere 5 bounces and its traveling direction changes. At this time, when the second sphere 5 comes into contact with the first sphere 5A, the first sphere 5A comes out of the recess 34, or is replaced with the first sphere 5A and the second sphere 5 is received in the recess 34. It is possible that In this way, not only the first sphere 5 housed in the recess 34 but also the third sphere 5 moving on the convergence area 31, the traveling direction of the moving second sphere 5 is It can change.

  Further, even when the recess 34 is present on the path of the moving sphere 5, when the sphere 5 is not sufficiently decelerated, or when the path of the sphere 5 is shifted from the center of the recess 34, The path of the sphere 5 is bent along the opening edge of the recess 34 as shown in FIGS. 10B and 11, or the sphere 5 is at the opening edge of the recess 34 as shown in FIGS. 10C and 11. In some cases, it may be thrown over the recess 34. Since the sphere 5 has a velocity component in the center in the radial direction and a velocity component in the tangential direction, the sphere 5 bent along the opening edge of the recess 34 or the sphere 5 jumping over the recess 34 is Then, it moves toward the center of the convergence area 31.

  As described above, the sphere 5 that has entered the convergence area 31 is affected by the recess 34, other spheres that are contained in the recess 34, and other spheres that are moving on the convergence area 31, and the course of the sphere 5 As shown in FIG. 8C, the vehicle decelerates while changing in a complicated manner, and eventually fits in one of the recesses 34 or stops on the board surface 3. As the number of the concave portions 34 provided in the convergence area 31 increases, the number of elements that affect the path of the sphere 5 increases, and the locus of the sphere 5 in the convergence area 31 fluctuates as if it is a Brownian moving particle. And complicated.

  As described above, the introduction area 33 has a slope that is lowered toward the convergence area 31, the acceleration area 32 is accelerated toward the convergence area 31, and a plurality of recesses 34 are provided in the convergence area 31. Thus, the sphere 5 introduced into the introduction area 33 of the board surface 3 always converges to the convergence area 31. That is, regardless of the speed of the sphere 5 introduced into the introduction area 33 or the skill of the player, the sphere 5 gathers in the convergence area 31 and stops at any one of the recesses 34 or in the vicinity thereof. Therefore, the situation where the ball 5 does not easily fit in the recess 34 and the player becomes bored does not occur, and the concentration of the player can be maintained.

  Further, in the ball rolling play apparatus 10, in addition to the position of the ball 5 entering the convergence area 31, the influence of the small recess 36 and the large recess 35 on the ball in the convergence area 31 becomes an uncertain factor. It is difficult for the player who rolls to control the behavior of the ball 5 or to intentionally select the convergence position (stationary position). In particular, the small concave portion 36 provided in the convergence area 31 plays a larger role as a concave portion for affecting the course of the sphere 5 than the concave portion for accommodating the sphere 5, and is affected by the small concave portion 36. The trajectory of the sphere 5 fluctuates and becomes complicated. In this way, the path of the sphere 5 on the board surface 3 changes unexpectedly, so that the player is not bored. As described above, the ball rolling play equipment 10 according to the present embodiment is a play equipment with high playability.

[Example of how to play using the ball rolling playground equipment 10]
Below, the example of how to play using the said ball rolling playground equipment 10 is demonstrated. However, how to play using the ball rolling playground equipment 10 is not limited to the following, and play by touching the ball or rolling the ball, enjoying the pattern formed by the ball, playing the ball side by side, playing the concave part with the ball You can play a variety of ways to play aiming.

  A first example of how to play using the ball rolling play apparatus 10 will be described. The player rolls one or more balls 5 on the board 3. The player can play by observing the movement of the sphere 5 on the board surface 3, listening to the sound generated by the sphere 5, and observing the pattern formed on the board surface 3 by the sphere 5. In addition, such movement of the sphere 5 can be used for fortune telling.

  As a second example of how to play using the ball rolling playground equipment 10, a method of playing in which a plurality of players compete for scores will be described. A score is set in advance in each concave portion 34 provided in the convergence area 31 of the board surface 3 of the ball rolling play apparatus 10. For example, 10 points are set for the central large recess 35, 5 points for the large recess 35 around the center, and 2 points for the small recess 36, and the score is sequentially set for each recess 34. The first player rolls a predetermined number (single or plural) of balls 5 on the board 3. Then, the sum of the scores set in the recess 34 in which the sphere 5 is accommodated is taken as the score of the first player. All the spheres on the board 3 are removed, and the next player rolls a predetermined number of spheres 5 on the board 3 in the same manner as the first player to get a score. Then, the scores of all the players are compared, and the player with the highest score, or the player with the score closest to or equal to the predetermined score, wins.

  A third example of how to play using the ball rolling play apparatus 10 is a variation of the second example. After the first player rolls the ball 5 on the board surface 3, the second player rolls the ball 5 on the board surface 3 without removing the ball 5. Here, it is preferable to change the color of the rolling ball 5 for each player so that each player can identify the rolling ball. The ball 5 rolled by the first player already existing on the board 3 becomes an obstacle to the ball 5 rolled by the second player, and the ball 5 rolled by the second player and the ball 5 rolled by the first player However, the recesses 34 are brought together. Then, after all the players roll the ball 5 on the board 3, each player's score is the sum of the points set in the recess 34 in which each player's rolled ball 5 is contained. Alternatively, the player who scores the same or closest to the predetermined score is the winner.

  A fourth example of how to play using the ball rolling play equipment 10 is a way of playing where a large recess 35 provided at the center of the board surface 3 is held by a plurality of players. A plurality of players roll the ball 5 on the board 3 simultaneously or sequentially. Then, the player who has the ball 5 in the large recess 35 provided in the center of the board surface 3 wins. At this time, in order to obstruct the path of the ball 5 rolled by another player, an insertion rod 74 as an obstacle can be inserted into the recess 34. As shown in FIG. 12, the insertion rod 74 is a rod-like member in which a base portion 74a that can be inserted into the recess 34 and a column portion 74b that protrudes upward from the board surface 3 are formed integrally. It can be inserted into and removed from the recess 34 of the board surface 3. If the insertion rod 74 is inserted into the desired recess 34, the column portion 74b of the insertion rod 74 becomes an obstacle affecting the course of the sphere 5, and the movement of the sphere 5 can be made more complicated.

  The ball rolling playground equipment according to the above embodiment is assumed to have a scale that can be surrounded by several players, but can be carried around by a key holder or a ballpark that can be surrounded by a large number of players. It can also be of a scale such as

3 Board surface 31 Convergence area 32 Acceleration area 33 Introduction area 34 Recess 35 Large recess 36 Small recess 5 Ball 51 Small ball 52 Large ball 7 Board 71 Base member 72 Board member 73 Return 74 Insertion rod 10 Ball rolling play equipment

Claims (7)

At least one sphere;
Convergence having a plurality of small concave portions arranged in a circular plane and distributed , and at least one large concave portion arranged on the inner peripheral side of the plurality of small concave portions located on the outermost peripheral side. a ring shape that surrounds the band, the outer periphery of the converging zone, the have a horizontal plane of the inner circumference side slope descending toward the convergence zone is provided slopes and than, said having a tangential velocity component A board surface on which an introduction area into which a sphere is introduced, an annular area that smoothly connects between the introduction area and the convergence area, and an acceleration area that has an inclination downward toward the convergence area ; Bei to give a,
The small concave portion is a concave portion having a circular opening having a diameter smaller than the diameter of the sphere,
The large recess Ru concave portion der having a circular opening with a diameter more than the diameter of the sphere, the sphere rolling playground equipment. 2. The ball rolling play apparatus according to claim 1, wherein a radial cross-sectional shape in the radial direction of the introduction area includes a lower ¼ arc portion and a horizontal line portion continuous on an inner peripheral side thereof . The ball rolling play apparatus according to claim 1 or 2 , wherein corners of opening edges of the large recess and the small recess are rounded or chamfered. The sphere according to any one of claims 1 to 3 , wherein the board surface includes a barb that protrudes inward from an outer peripheral edge of the introduction area and is opposed to at least a part of the introduction area in the vertical direction. Rolling playground equipment. The ball rolling play equipment according to any one of claims 1 to 4 , wherein the board surface is detachably provided with an obstacle having a base that can be inserted into the large recess or the small recess. The ball rolling play apparatus according to any one of claims 1 to 5, wherein the large concave portion is a hole having a shape in which a countersink shape and a cylindrical hole shape are vertically combined. The ball rolling play apparatus according to any one of claims 1 to 6, further comprising at least one large sphere having a diameter larger than a diameter of the opening of the large concave portion.

Images