JPH0411743Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] Industrial field of use: This invention is applicable to sports gauges such as baseball batting practice gauges, tennis practice gauges, golf practice gauges, and other ball game gauges. This is related to the improvement of.

Conventional technology: Conventionally, it has been made up of a central frame with a net stretched over it, and left and right sleeve frames with nets stretched on the left and right sides of the frame body so as to be openable and closable. There is no sports gauge in which the front upper parts of both sleeve frames are connected by a connecting rod while the left and right sleeve frames are expanded at a certain angle relative to the center frame, and the left and right sleeve frames are maintained in the expanded state relative to the center frame. was.

However, in the above-mentioned known sports gauge, the ball hits the connecting rod and rebounds, which is not only extremely dangerous, but also requires folding of the left and right sleeve frames with respect to the central frame when storing the gauge when not in use. In some cases, the connecting rods must be removed, and the operation of inserting and removing these connecting rods is complicated. Also, the ceiling nets stretched on the ceiling could not necessarily be kept under tension.

Problems that the invention attempts to solve...This invention connects the left and right sleeve frames with a wire rope to maintain a constant opening at all times, and also connects the left and right sleeve frames with one end fixed to the outer ring and the other end of the wire. It is possible to maintain the wire rope and ceiling net in a tensioned state by pulling the left and right sleeve frames outward, that is, in the direction of expansion. The wire being pulled backwards does not interfere with the ball game, and the ball that bounces off the wire rope that connects the left and right sleeve frames has more rebound than the ball that bounces off the connecting rod. Not only is the power extremely reduced and safe, but
The purpose is to provide a sports gauge that is extremely easy to operate and can be folded with wire ropes and ceiling nets still in place when folding the left and right sleeve frames into the central frame. be.

Means for solving the problem... In order to achieve the above-mentioned purpose, the present invention has a central frame with a net stretched over it, and left and right sleeves with nets stretched on the left and right sides of the frame body so as to be openable and closable. An inner ring and an outer ring are fixed to the inside and outside of the front upper part of the left and right sleeve frames, respectively, and a wire rope is stretched between the inner rings, and the upper part of the center frame and the left and right sleeve frames A ceiling net is stretched across the upper part of the body and the wire rope, and a traction device is provided for pulling the left and right sleeve frame bodies in the expansion direction to hold the ceiling net and the wire rope in a tensioned state. It has the structure of a sports gauge.

Embodiment: The structure of the present invention will be explained as follows with respect to the embodiment shown in the drawings.

The central frame A is formed of pipes into a square, vertically long rectangle, or horizontally long rectangle, and as shown in FIG. 7, the left and right pipes 11a and 11b forming the frame are positioned symmetrically above. Flat bars 13, 13, 14, 14 projecting forward are provided at symmetrical positions downward, and fitting pipe portions 13a, 13a, 14a, 14a are provided at the tips of the flat bars 13, 13, 14, 14, respectively. establish.

The left and right sleeve frames B and C are formed into U-shaped frames having the same height as the center frame A, and as shown in FIG. 7, the upper and lower open ends thereof are bent downward and upward to form the fitting pipe portion. 13a, 13a, 14a, 14a are formed, and the shaft rod portions 15, 15 are fitted into the fitting pipe portions 13a, 13a.
In addition, the shaft parts 16, 16 are connected to the fitting pipe parts 14a, 14.
a, and connect the left and right sleeve frames B and C to the center frame A.
It is attached so that it can be opened and closed, that is, can be rotated.

As shown in FIG. 2, flat bars 17a, 17b, 17 protrude inwardly at the inner corners of the center frame A and the left and right sleeve frames B and C, as shown in FIG.
c, 17d are provided, and the flat bars 17a, 1
A brace 18 such as a wire rope or reinforcing bar is connected and tightened between 7d and 17b and 17c via a tightening device 19 such as a turnbuckle. A net 20 is stretched in the hollow parts of the central frame A and the left and right sleeve frames B and C. As an example of the tensioning means, strings are used to tie the tensioning member to the upper, lower, left, and right pipes that constitute each frame.

As shown in FIG. 3, inner rings 21 are provided on the inside and outside of the front of the upper pipes 20a of the left and right sleeve frames B and C, respectively.
Attach the outer ring 22 and stretch the wire rope 23 between the inner rings 21 and 21.
21 and wire rope 23 with wire clip 2
Fix by 4.

A ceiling net 25 is stretched over the upper pipe 11c of the central frame A, the upper pipes 20a and 20a of the left and right arm frames B and C, and the wire rope 23 using the same tensioning means as for the net.

The sports gauge constructed as described above is pulled with its left and right sleeve frames B and C expanded outwards relative to the central frame A, and holds the wire rope 23 and ceiling net 25 in a tensioned state. A traction device is provided for this purpose.

One example of the traction device is a protruding arm 2 that protrudes outward from the rear pipes 20b of the left and right sleeve frames B and C, as shown in FIGS. 2, 3, 4, and 5.
6, 26 are provided, pulleys 28, 28 are attached to hooks 27, 27 attached to the arms 26, 26 and hang down, and pipes 20a, 20a are provided on the left and right sleeve frames B, C. Outer ring 22,2
2, connect the wires 29, 29, one end of which is fixed with a wire clip 30, to a tightening device 31 such as a turnbuckle through the pulleys 28, 28;
By hooking the tightening device 31 onto the hook rod 32 which is hooked onto the clasps 41, 41 provided on the caster pedestals 40, 40, and tightening the tightening device 31, the left and right sleeve frames B, C are expanded. Pull it in the opening direction, tension the wire rope 23, and tighten the ceiling net 2.
5 is in a tense state. In addition, if the dimensions of the central frame A and the left and right sleeve frames B and C are large and a single wire rope 29 is insufficient in strength, the protruding arms 26 and 2
A plurality of hooks and a pulley are attached to the upper pipe 6, a plurality of outer rings 22 are attached between the upper pipes 20a, 20a of the left and right sleeve frames B and C, and a plurality of wire ropes 29, one end of which is fixed to the ring, are attached to the pulley. By connecting it to the tightening device 31 through the thread, the ceiling net 25 can be tensioned easily. However, in this case, multiple wire ropes should also be connected to the ceiling on the left and right sleeve frames B and C.
stretch it between.

In addition, in the case of a small gauge, if the upper part is large enough to fit in your hand, the traction device is a pulley 2 as shown in Figure 6.
8 is omitted, one end of the long hook rods 33, 33 is hooked directly to the outer rings 22, 22, and a tightener 31 such as a turnbuckle attached to the other end is directly pulled to the hooks 27, 27 of the protruding arms 26, 26. It may also be used to form a traction device.

42 is a caster attached to the caster holder 40, but this is not necessarily necessary.

〔effect〕

As described above, the present invention connects the left and right sleeve frames with a wire rope to maintain a constant opening at all times, and the other end of the wire is fixed to the outer ring at an angle outside the left and right sleeve frames. It can be pulled rearward and the left and right sleeve frames outward, that is, in the direction of expansion, to hold the wire rope and ceiling net in tension, and it is also connected to the outer ring and pulled diagonally backward. The wires do not protrude forward, so they do not interfere with ball games.
In addition, the repulsive force of a ball that bounces off a wire rope is extremely reduced compared to a ball that bounces off a connecting rod, making it safer. This has the effect of providing a sports gauge that is extremely easy to operate and can be folded while the wire rope and ceiling net are still in tension.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention and are shown in the drawings.
The figure is a perspective view of the present invention, Figure 2 is a left side view of the left sleeve frame connected to the central frame of the present invention, Figure 3 is a plan view of the left sleeve frame, and Figure 4 is a caster receiver. A plan view of the stand, FIG. 5 is a plan view showing one example of the traction device, FIG. 6 is a plan view showing another example of the traction device, and FIG. Attach freely 1
FIG. 3 is a longitudinal sectional view of a portion showing an example. A...Central frame body, B, C...Left and right sleeve frame bodies, 2
0...Net, 25...Ceiling net, 21...Inner ring, 22...Outer ring, 23...Wire rope.

Claims (1)

[Scope of utility model registration request] It consists of a central frame with a net stretched over it, and left and right sleeve frames with nets stretched between them, which are attached to the left and right sides of the frame so that they can be opened and closed. Fix the ring and outer ring, stretch a wire rope between the inner rings, stretch a ceiling net across the top of the center frame, the top of the left and right sleeve frames, and the wire rope, and attach one end to the outer ring. By pulling the other end of the fixed wire diagonally backward outside the left and right sleeve frames, the left and right sleeve frames are pulled in the expansion direction to maintain the ceiling net and wire rope in a tensioned state. A sports gauge characterized by being equipped with a device.