JP5011592B2 - Swing hook cover - Google Patents

Description

  The present invention relates to a hook hook cover for preventing a hook of a swinging rope of a swing from being disconnected from a connection with a shackle of a cross beam.

  As shown in FIG. 1, the swing generally includes a horizontal beam 2 supported and fixed horizontally by a support column 1, a pair of suspension cables 3 and 3 suspended so as to be swingable from the horizontal beam, and a lower end of the suspension cable. And a seat plate 4 supported horizontally. The suspension line and the cross beam are connected by hooking a hook 6 of the suspension line on a shackle 5 that is rotatably provided on the cross beam. As shown in FIGS. 2 and 3, the hook 6 includes a ring portion 9 that forms a hole 8 that receives the inverted U-shaped bracket 7 at the upper end of the suspension rope 3, and a hook opening 10 that is positioned adjacent to the ring portion 9. The shackle 5 has a pair of grooves 12, 12 formed on the upper portion of the shackle ring 11 so as to face each other, and the dimension between the grooves is larger than the dimension of the hook opening 10 of the hook. The hook 6 can be hooked on the shackle 5 by passing the hook opening between the shackle grooves. As a matter of course, the shackle ring 11 is thicker than the dimension of the hook opening.

  In this configuration, when the swing is normally used, the swing swings and tension is applied to the suspension rope by the principle of the pendulum, so that the hook remains in contact with the lowest part of the shackle ring, The hook does not move from the shackle because it does not move to the groove. However, when the thickness of the shackle ring is reduced due to wear that is aged, there is a risk that the hook may fall off from a portion other than the groove, leading to a serious accident.

  An object of the present invention is to provide a hook cover that covers a hook opening from the outside of the hook in order to prevent the hook from falling off from such a shackle.

According to the present invention, it includes a pair of opposed cover halves that cover a hook opening from the outside of a hook that is hooked on and connected to a swing shackle, the cover halves being one of the upper portions of the ring portion of the hook. And a groove formed in a shape that completely receives one hook portion connected to the ring portion and the other hook portion constituting the hook opening, and a flange and a groove that abut against each other at the outer edge of the hook. The above object is achieved by providing a hook cover that is surrounded by and has land portions that abut against each other within the hook portion and that can be secured to the hook with bolts and nuts from both sides of the cover. To do.

A first embodiment of a hook cover 20 according to the present invention will be described with reference to the drawings, in particular FIGS. Hook cover 20 is made of the cover halves 22, 22 of opposed pairs having symmetric shapes, halves are formed by injection molding of synthetic resin such as polyethylene resin. Cover halves, such as including a portion of the upper portion of the ring portion 9 of the hook 6, accepts completely the other hook portion 6b constituting one hook portion 6a and the hook opening 10, which connected to the ring portion 9 A groove 24 formed in a shape , and a flange 26 and a groove 24 that are in contact with each other at the outer edge of the hook, and a land portion 28 that is in contact with each other in the hook. One of the cover halves 22, 22 is formed with a bolt through hole 32 having a recess for receiving the head 30 a of the bolt 30 in the land portion 28, and the other half 22 has a nut 34 in the land portion 28. A bolt through hole 36 with a recess for receiving the recess is formed.

In this configuration, when the cover halves 22 and 22 are placed on both sides of the hook 6, the flanges 26 and 26 come into contact with each other at the outer edge of the hook 6, and the land portions 28 and 28 come into contact with each other in the hook. Part of the upper portion of the ring portion of the hook and the hook portions 6a and 6b are accommodated in the groove 24 of the portion , the bolt 30 is passed from one side of the cover half to the bolt through holes 32 and 36, and the bolt 30 is passed to the other half. The cover halves 22, 22 are fixed to the hook 6 from both sides by screwing into the nuts 34 located. As a result, the hook opening 10 is covered by the cover 20.

As described above, according to the present invention, a part of the upper part or the hook part of the ring part is accommodated in the groove of the cover half part of the hook cover, and the hook half part is fixed to the hook from both sides of the hook. Since the hook cover is positioned in place with respect to the hook, the hook does not fall off the shackle regardless of the state of the swing, and the swing can be made a safer playground equipment. .

It is a whole perspective view of the conventional swing. It is a front view which shows the relationship between the shackle in a conventional swing and a hook. It is a perspective view which shows the relationship between the shackle of FIG. 2, and a hook. It is a perspective view of a part of a swing shown by attaching a hook cover according to the present invention to a hook hooked on a swing shackle. It is a disassembled perspective view of the state which removed the hook cover from the hook. It is a front view of a hook equipped with a hook cover. It is a longitudinal cross-sectional view of FIG.

1 Post 2 Cross Beam 3 Suspension Cable 4 Seat Plate 5 Shackle 5
6 Hook 6
8 eyes 9 ring part 10 hook opening 10
11 Shackle ring 12 Groove 20 Hook cover 22 Cover half 6a Hook part 6b Hook part 24 V-shaped groove 26 Flange 28 Land part 30 Bolt 30
30a head 32 bolt through hole 34 nut 36 bolt through hole

Claims (1)

Includes a pair of opposed cover halves that cover the hook opening from the outside of the hook that is hooked to and connected to the swing shackle, the cover halves including part of the upper portion of the ring portion of the hook, and the ring A hook portion that is surrounded by a groove formed in a shape to completely receive one hook portion connected to the portion and the other hook portion constituting the hook opening, and a flange and a groove that abut each other at the outer edge of the hook. having abutting land portion together with the inner and the like can secure the cover halves to the hook from the opposite sides of the cover with bolts and nuts, hooks cover.