JP6444553B1 - Planing equipment - Google Patents

Abstract

A powerful playground equipment capable of sliding on a curved rail is provided. In this sliding playground equipment 80, fixed pulleys 34 are respectively hung on two guide grooves 12 formed above the rail 10, and the lower left and right movable pulleys 44 are pressed toward the rail 10 to be fixed. The pulley 10 and the movable pulley 44 slide while holding the rail 10 from above and below. Further, the pressing plate 40 that holds the movable pulley 44 rotates around the rotation shaft 48 along the radius of the rail 10. Thereby, the clamping state with respect to the rail 10 is maintained well also in a curve part, and safe and smooth sliding is attained. As a result, the player can enjoy powerful sliding that makes a turn. [Selection] Figure 1

Description

  The present invention relates to a sliding toy that slides along a rail.

  In parks, play facilities, athletics, and the like, there are sliding playground equipments that hang on sloped rails and slide using gravity acceleration. As an invention relating to such a sliding playground equipment, for example, the following [Patent Document 1] can be cited. As shown in FIG. 7, the play equipment described in [Patent Document 1] includes a rectangular guide rail 1 and a sliding carriage 5 that slides along the guide rail 1. The base 5a of the planing carriage 5 is provided with two pairs of wheels 7 via a wheel shaft 6, and a short leg portion 5b is provided on the central lower surface of the base 5a so as to hang down. The short leg portion 5b A hanging handle 2 is connected to the lower end of the handle 2 via a hinge 8. An opening 3 is formed in the guide rail 1 below, and inner bottom surfaces on both sides of the opening 3 are wheel receiving surfaces 4 inclined in a valley shape. The base 5a of the sliding carriage 5 is located in the guide rail 1, the left and right wheels 7 abut against the wheel receiving surfaces 4, respectively, and the hanging handle 2 is exposed to the outside through the opening 3 via the short legs 5b. To do. The player places the sliding carriage 5 in the vicinity of the uppermost point of the guide rail 1 and hangs on the hanging handle 2 to slide toward the lowermost point of the guide rail 1 by gravity acceleration.

JP-A-10-85458

  However, the playground equipment described in [Patent Document 1] can basically be slid only in a straight line. This is because the wheel shaft 6 is fixed, so that the curve cannot be smoothly turned. In addition, when the guide rail 1 has a curve, the centrifugal force and the bank angle differ depending on the weight of the player and the speed at that time. This is because 7 may cause a serious accident such as the wheel 7 coming out of the opening 3 or the short leg portion 5b coming into contact with the side wall of the opening 3. However, the straight run only is monotonous, and players of a certain age may feel unsatisfactory.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a powerful sliding toy that can slide on a curved rail.

The present invention
(1) A sliding toy that slides along a rail 10 having a substantially circular cross section and having two guide grooves 12 on the upper side,
Arm plates 30 (30a, 30b) having left and right arms 32L, 32R extending so as to hold the rail 10, and fixed pulleys fitted in the guide grooves 12 and installed on the front sides of the left and right arms 32L, 32R, respectively. 34, left and right movable pulleys 44 that are in contact with the lower side of the rail 10, a pressing plate 40 on which the movable pulley 44 is provided on the left and right, and a pressing portion 46 that presses the pressing plate 40 toward the rail 10 side. A rotating shaft 48 provided substantially perpendicular to the axis of the rail 10 and rotatably holding the pressing plate 40; and a hanging portion 50 provided on the lower end side of the arm plate 30 for hanging a player. The above-mentioned problem is solved by providing a sliding playground equipment 80 characterized by comprising:
(2) The above-described problem is solved by providing the sliding playground equipment 80 according to the above (1), which has two pairs of fixed pulleys 34 and movable pulleys 44.
(3) The problem is solved by providing the sliding playground equipment 80 according to (1) or (2) above, wherein the angle formed by the left and right movable pulleys 44 is 90 ° to 120 °.

  The sliding playground equipment according to the present invention slides with the fixed pulley and the movable pulley sandwiching the rail from above and below. Further, the pressing plate that holds the movable pulley rotates along the radius of the rail. Thereby, the clamping state with respect to a rail is favorably maintained also in a curve part, and safe and smooth sliding is attained. As a result, the player can enjoy powerful sliding that makes a turn.

It is a figure showing the whole sliding playground equipment concerning the present invention. It is a figure explaining the rail of the sliding playground equipment which concerns on this invention. It is a front view of the main-body part of the sliding playground equipment which concerns on this invention. It is a side view of the main-body part of the sliding playground equipment which concerns on this invention. It is an exploded view of the press plate part of the sliding playground equipment which concerns on this invention. It is a figure explaining rotation operation | movement of the press plate of the sliding playground equipment which concerns on this invention. It is a figure explaining the conventional sliding playground equipment.

  An embodiment of the sliding playground equipment 80 according to the present invention will be described with reference to the drawings. As shown in FIG. 1, the sliding playground equipment 80 according to the present invention is provided so as to be slidable along a rail 10 having a substantially circular cross section, and is provided with left and right arms 32 </ b> L and 32 </ b> R extending to hold the rail 10. It has the plate 30, the suspension part 50 provided in the lower end side of this arm plate 30, and the player suspension means 52 which is installed in this suspension part 50 and hold | maintains a player.

  Next, the sliding playground equipment 80 according to the present invention will be described in more detail with reference to FIGS. First, the rail 10 applied to the present invention has a substantially circular cross section as shown in FIG. 2 and has a diameter of about 10 cm to 15 cm. Two guide grooves 12 parallel to the axis of the rail 10 are formed above the rail 10. In addition, it is preferable to form this guide groove 12 by the circular arc whose curvature radius of a cross section is about 10 mm-20 mm. The lower end of the suspension bar 14 is fixed between the left and right guide grooves 12 at a predetermined interval, and the upper end of the suspension bar 14 is fixed to the support pipe 16. And the track | orbit of the rail 10 on which the sliding playground equipment 80 slides is constructed | assembled by fixing this support | pillar pipe 16 to the support | pillar which was standingly arranged from the ground. At this time, the rail 10 is provided with a gradient as a whole, and a curve, a predetermined drop up / down, and the like are formed. Then, the sliding playground equipment 80 is caused to slide from the highest point to the lowest point by gravity acceleration, with the vicinity of the uppermost point on the track of the rail 10 as the start point and the vicinity of the lowermost point as the stop point (end point). At this time, it is preferable that the rail 10 has a loop shape by connecting the start point and the end point. The sliding play equipment 80 is lifted from the lowest point (end point) to the highest point (start point) by human power or predetermined power.

  Next, the main body portion of the sliding playground equipment 80 according to the present invention will be described. First, the arm plate 30 of the sliding playground equipment 80 according to the present invention has the left and right arms 32L and 32R extending to hold the rail 10 as described above. As shown in FIG. 3, the arms 32L and 32R are provided. A predetermined gap through which the suspension bar 14 passes is provided between the tips of the two. The inner surfaces of the arms 32L and 32R are preferably formed by arcs that are substantially concentric with the rail 10, and thus the arm plate 30 has an arc shape or U shape with the upper portion cut away.

  A fixed pulley 34 is provided on the front side of each of the left and right arms 32L and 32R. As shown in FIG. 4, the fixed pulley 34 preferably holds a bearing plate 34a between two arm plates 30a and 30b. Further, the fixed pulley 34 is installed at a position where the wheel fits into the guide groove 12, and the rotation axis thereof takes a position of torsion perpendicular to the axis of the linear portion of the rail 10. As a result, the fixed pulley 34 rotates while contacting the guide groove 12 and slides along the guide groove 12 as a track. The wheels of the fixed pulley 34 preferably have an arc shape whose peripheral surface is equal to or slightly smaller than the radius of curvature of the guide groove 12. According to this structure, the fixed pulley 34 and the guide groove 12 fit suitably, and smooth sliding becomes possible. The wheels of the fixed pulley 34 are preferably made of synthetic resin. According to this configuration, vibration during sliding can be reduced.

  Moreover, the sliding playground equipment 80 has a movable plate 44 on both left and right sides, and has a pressing plate 40 that holds the lower side of the rail 10. In addition, as shown in FIG. 4, it is preferable that the movable pulley 44 also holds the bearing plate 44a between the two pressing plates 40. The pressing plate 40 is pressed toward the rail 10 by a pressing portion 46 having a known elastic member such as a spring, and the rotating shaft of the movable pulley 44 is twisted perpendicular to the axis of the rail 10 like the fixed pulley 34. Take the position. As a result, the movable pulley 44 is pressed against the lower peripheral surface of the rail 10, sandwiches the rail 10 together with the upper fixed pulley 34, and simultaneously rotates and slides while contacting the lower peripheral surface of the rail 10. Further, the wheels of the movable pulley 44 are preferably made of a synthetic resin and have a circular arc surface like the fixed pulley 34. 5 is 90 ° to 120 °, that is, 45 with respect to the axis of the rotation shaft 48 described later. The angle θ formed by the left and right movable pulleys 44 shown in FIG. 5 is the same as the angle formed by the rotation shaft of the movable pulley 44. It is preferable that the angle is 60 ° to 60 °, and most preferably 50 ° ± 2 ° (θ = 100 ° ± 4 °).

  Further, as shown in the exploded view of FIG. 5, the pressing plate 40 is rotatably held by a rotating shaft 48 provided substantially perpendicular to the axis of the rail 10 and a known bearing member 48 a such as a bearing. Is done. Further, the rotation shaft 48 is fixed through the shaft holes of the connecting bars 38 a and 38 b fixed to the arm plate 30, so that the pressing plate 40 is pivotally supported with respect to the arm plate 30.

  As shown in FIG. 4, two sets of the arm plate 30 and the pressing plate 40 are connected, and the rail 10 is sandwiched between two pairs of a fixed pulley 34 and a movable pulley 44, respectively. From the viewpoint of sex. In this case, it is preferable that the suspension part 50 is rotatably installed via the swing shaft 54 at the lower end of the arm plate 30a located inside. According to this configuration, the player suspension means 52 is swung by the swing shaft 54 due to a curve or the like, so that more exciting sliding can be performed for the player.

  Next, operation | movement of the sliding playground equipment 80 which concerns on this invention is demonstrated. First, the rail 10 is fixed to a column erected on the ground via a column pipe 16 and a suspension bar 14. At this time, the slide playground equipment 80 is attached to the rail 10. At this time, the sliding playground equipment 80 is attached to the rail 10 so that the fixed pulleys 34 of the sliding playground equipment 80 are respectively fitted in the two guide grooves 12 of the rail 10 and the movable pulley 44 contacts and presses the lower side of the rail 10. To do. Thereby, the fixed pulley 34 and the movable pulley 44 can be slid while holding the rail 10 up and down.

  During the game, the sliding playground equipment 80 is first positioned at the start point near the uppermost point of the rail 10. The starting point is assumed to be about 5m to 10m above the ground. Next, for example, the clerk holds the sliding playground equipment 80 and fixes the player to the player suspension means 52 connected to the suspension portion 50. Here, an example is shown in which a body harness is used as the player suspension means 52, but the player suspension means 52 is not particularly limited, and any player suspension means 52 may be used. Further, when the rail 10 is installed in a relatively low place and there is no problem in safety, a hanging bar or the like may be used for the player hanging means 52.

  Next, the sliding playground equipment 80 is released to a free state. Thereby, the sliding playground equipment 80 slides toward the lowest point by the action of the gravitational acceleration due to the gradient of the rail 10. At this time, the fixed pulley 34 rotates and slides while fitting in the guide groove 12 of the rail 10, and the movable pulley 44 rotates and slides while pressing the lower side of the rail 10. Therefore, the sliding playground equipment 80 slides while holding the rail 10 between the fixed pulley 34 and the movable pulley 44.

  Further, in the curved portion of the rail 10, as shown in the schematic cross-sectional view taken along the line XX in FIG. 6, the pressing plate 40 rotates around the rotation shaft 48 so as to correspond to the radius of the rail 10 indicated by the alternate long and short dash line. To do. Thereby, the clamping of the rail 10 by the fixed pulley 34 and the movable pulley 44 is well maintained even in the curved portion, and smooth sliding is possible. Then, the player can enjoy a powerful sliding that is swung to the left and right by the curve of the rail 10.

  As described above, in the sliding playground equipment 80 according to the present invention, the fixed pulleys 34 are respectively hung on the two guide grooves 12 formed above the rail 10, and the lower left and right movable pulleys 44 are disposed on the rail 10 side. The rails 10 are slid while being pressed by the fixed pulley 34 and the movable pulley 44 from above and below. Further, the pressing plate 40 that holds the movable pulley 44 rotates around the rotation shaft 48 along the radius of the rail 10. Thereby, the clamping state with respect to the rail 10 is maintained well also in a curve part, and safe and smooth sliding is attained. As a result, the player can enjoy powerful sliding that makes a turn.

  In addition, since the curve can be set, the degree of freedom in route design of the rail 10 is dramatically improved, and a more powerful route can be constructed. In addition, the start point and the end point can be connected to form a loop, and the sliding playground equipment 80 can be moved from the end point to the start point with little effort. Thereby, the efficient operation of a sliding playground equipment is attained.

  The configuration of the sliding playground equipment 80 shown in this example is an example, and the shape, dimensions, mechanism, design, and the like of each part can be changed and implemented without departing from the gist of the present invention.

10 rails
12 Guide groove
30, 30a, 30b Arm plate
32L, 32R arm
34 Fixed pulley
40 Press plate
44 movable pulley
46 Pressing part
48 Rotating shaft
50 hanging part
80 planing equipment

Claims (3)

A sliding toy that slides along a rail having a substantially circular cross section and having two guide grooves on the upper side,
An arm plate having left and right arms extending to hold the rail;
Fixed pulleys that fit into the guide grooves and are respectively installed on the front sides of the left and right arms;
Left and right movable pulleys contacting the lower side of the rail;
A pressing plate provided with the movable pulley on the left and right;
A pressing portion that presses the pressing plate toward the rail; and
A rotation shaft provided substantially perpendicular to the axis of the rail and rotatably holding the pressing plate;
A sliding playground equipment comprising: a lower portion provided on a lower end side of the arm plate for hanging a player. The sliding playground equipment according to claim 1, wherein each of the pair has a fixed pulley and a movable pulley. The sliding playground equipment according to claim 1 or 2, wherein an angle formed by the left and right movable pulleys is 90 ° to 120 °.

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