JPH0749278Y2 - Fixed band for fireworks launch cylinder - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a fixed band for a pyrotechnic launch tube for fixing a tubular body used for launching fireworks to a support or the like.

[Prior Art] The general structure of launch fireworks is to put a split powder mixed with cotton seeds such as black powder in the center of a paper ball, and put a color powder or smoke in the gap between the split powder and the ball. It is a small spherical star in which the agent is kneaded and loaded, and black gunpowder is packed as a propellant at the bottom of a thick cylinder, fireworks are placed on it, and when the propellant is ignited, the fireworks are launched high in the air. Is. Further, in order to install the tubular body, a string body or the like wound around the outer periphery of the tubular body is tied to and fixed to two columns vertically provided, which is conventionally added when fireworks are shot. Due to the vertical recoil, the cylinder cannot be integrally provided on the support,
It was fixed by using a rough rope that can soften the above-mentioned recoil.

[Problems to be Solved by the Invention] In the above conventional technique, a rough rope wound around the top and bottom of a tubular body is tied to a support to fix the tubular body, and in particular, a tubular body used for launching fireworks of this type is Since a plurality of cylinders are installed side by side in advance, there is a problem in that the work of connecting and fixing the rough rope takes time and the workability is poor. In addition, there is a risk that the rough rope will be burned out by sparks or the like that pop out during the launching work, and the cylindrical body fixed to the support column will fall down due to the rough rope.

By the way, as a device that can be used for fixing such a fireworks launching cylinder, Japanese Utility Model Publication No. 49-15343 discloses that the base end of a coiled spring is connected to the outer free end of a metal tape that can be wound, while On the outer circumference of the tape in the middle of the tape, a flat part extending outward and a spring-side front part of this flat part are further projected forward, and a pedestal made up of an upright part which is erected upward from the end face thereof is fixed. , A squeezing lever having a constant arm length is pivotally attached to the pedestal upright portion with a certain amount of play on the pivot shaft, and the other end of the spring is squeezed through the underside of the pedestal. There is disclosed a lip tightening ring such as an air filter connected to the middle of the lever for use.

Further, in Japanese Utility Model Laid-Open No. 60-138005, in a drawstring with a locking tool in which one end of the drawstring is connected to a drawstring winding rod of the locking tool, one end of the drawstring knitted in a belt shape is wrapped with the drawstring. It is wrapped around a rod and folded back, and is inserted into a ring having a drawstring insertion hole that is about three times the thickness of the drawstring and is arranged on the outside of the drawstring wrapping rod. Disclosed is a drawstring with a locking member, which is wound through the outside of a hanging rod and inserted into a ring to form four tightening portions which are tightly compressed and tightly inserted into a drawstring insertion hole of the ring.

Therefore, by combining the ring for tightening the rim described in JP-B-49-15343 and the drawstring with a locking tool of JP-A-60-138005, a pair of hooks are provided at both ends. By connecting the tightening metal fitting and the band in series between them, turn the band around the outer peripheral surface of the firework launching cylinder, hook the hook to the pillar, and tighten the tightening metal fitting to simplify the firework launching cylinder. It is conceivable to attach and fix to the column. However, in such a fixed band for fireworks launching cylinder, if the band is excellent in rigidity, it is not possible to sufficiently mitigate the recoil that is applied to the cylinder at the time of launching the fireworks, but the band is excellent in shock absorbing property. There is a problem that the band is easily fatigued and cut due to repeated use. Further, the firework launch tube needs to have various sizes according to the size of the launch fireworks, but the fixed band for the firework launch tube cannot cope with the difference in size of the firework launch tube. There is also.

Therefore, an object of the present invention is to provide a fixing band for a fireworks launching cylinder, which is capable of easily fixing the fireworks launching cylinder and has excellent durability by solving the above problems. Another object of the present invention is to provide a fixed band for a firework launch tube that can be used even if the size of the firework launch tube is somewhat different.

[Means for Solving the Problems] The fixing band for a fireworks launching cylinder according to the present invention fixes the fireworks launching cylinder to a horizontally installed column, and prevents the recoil that is applied to the fireworks launching cylinder when the fireworks are shot. It is to be relaxed, and a tightening metal fitting is connected between a pair of hooks provided at both ends in series with a belt made of leather, a fiber material, etc. and a bendable thin plate strip fixed to the outer surface of the belt. However, the belt and the strip are provided with a plurality of mounting holes, and the hooks are connected so that their lengths can be adjusted by hooking stoppers formed on the hooks to the mounting holes. is there.

[Operation] With the above configuration, the band can be easily attached to and fixed to the support by turning the band around the outer peripheral surface of the pyrotechnic launching cylinder, hooking the hook on the support, and tightening the tightening metal fittings. Further, the belt provided between the pair of hooks is brought into contact with the outer circumference of the tubular body, so that the reaction force applied to the tubular body at the time of launching the fireworks is alleviated, and a bendable thin strip plate is provided on the outer surface of the belt. Since the belt is provided, the belt is not subjected to an excessive load and is not torn, and the durability of the belt is significantly improved. Furthermore, the length of the fixed band for the pyrotechnic launching cylinder can be adjusted by locking the stopper formed on the hook by selecting one of the plurality of mounting holes formed in the belt and the band plate and hooking the stopper. is there.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 4 show a first embodiment of the present invention, in which 1 is a belt made of leather, fiber material or the like, and the outer surface of the belt 1 is made of steel or the like and has substantially the same shape as the belt 1. A bendable thin strip 2 is fixed by a rivet 2A or the like, and a hook 3 made of steel or the like is connected to one end of the belt 1. This connection is achieved by a plurality of mounting holes 4 formed in the belt 1 and the strip 2 and stoppers 6 provided at the base 5 of the hook 3.
Is hung on the mounting hole 4 so that the length can be adjusted for connection. A tightening metal fitting 7 is attached and fixed to the other end of the belt 1.

The tightening metal fitting 7 has a substantially U-shaped mounting portion 8 having a stopper portion 8A.
Is arranged on the outer surface of the belt plate 2, and the mounting portion 8, the belt plate 2, the belt 1, and the bolt 10 inserted through the contact plate 9 provided on the inner surface of the belt 1 are screwed into the nut 11 to screw the belt. 1, a mounting portion 8 is fixed to the mounting portion 8, and a base end side of a handle 13 is pivotally mounted to the mounting portion 8 via a pivoting portion 12.
Is connected to the center of the connecting body 14 through a connecting body pivoting portion 15 having a substantially square pole shape, and a female screw hole 16 is formed at the center of the connecting body 14.
Are formed so as to penetrate therethrough.

Reference numeral 17 is a connecting fitting having a male screw portion 18 screwed into the female screw hole 16, and the connecting fitting 17 is in a state in which the male screw portion 18 is screwed into the female screw hole 16 and is prevented from coming off by a nut 19. Is connected to the connecting body 14. Further, by adjusting the screw engagement between the female screw hole 16 and the male screw portion 18, the distance between the hook 3 and the hook described later can be finely adjusted. In addition, a spring is attached to the other end of the connection fitting 17 by a bolt 5A and a nut 6A.
A hook 21 is connected to the other end of the spring 20 by a bolt 5B and a nut 6B having a washer 4B.

22 is a bottomed tubular body made of iron, bamboo, etc. for launching fireworks. The tubular bodies 22 are arranged in parallel along two parallel columns 23 at the same vertical position. Both ends of are fixed to a support body 24 in which columns 23A are assembled in a substantially triangular shape.

Next, the operation of the above configuration will be described.

The cylindrical body 22 is placed upright along the upper and lower columns 23, and the belt 1 is wound around the outer periphery of the cylindrical body 22 so that the hooks 3 and 21 at both ends are formed as shown in FIG. 2 (A). Hang it on 23. Then, the handle 13 is rotated toward the belt 1 side against the bias of the spring 20 to attach and fix the tubular body 22 to the column 23 as shown in FIG. Connection fitting 17 in this state
Is a cylindrical body from the center of the pivotally connecting portion 12 between the mounting portion 8 and the handle 13.
It is located on the side of 22 and the inside of the handle 13 abuts against the stopper 8A to be fixed against rotation, and the elastic restoring force of the spring 20 extended by the rotation of the handle 13 causes the belt 1 to abut on the outer surface of the tubular body 22.

Further, by rotating the handle 13 toward the spring 20, the spring 20 is loosened, and the hooks 3 and 21 can be removed from the column 23.

As described above, in the above-described embodiment, since the tightening metal fitting 7 and the belt 1 made of leather or fiber material are connected in series between the pair of hooks 3 and 21 provided at both ends, the tubular body 22 is sandwiched. Then hang the hooks 3 and 21 on the column 22 and tighten the metal fittings 7.
By rotating the handle 13 of the
It can be easily attached and fixed to 23 and can be easily removed as well. Further, since the belt 1 made of leather, fiber material, or the like contacts the outer periphery of the tubular body 22, the cushion 1 of the belt 1 can absorb the reaction force applied to the tubular body at the time of launching fireworks. Also, compared to the previously used rough rope,
The belt 1 is strong against fire and there is no fear of being burnt out, and the cylinder 22 can be installed safely. Moreover, since the belt-like thin strip 2 made of steel or the like is disposed on the outer surface of the belt 1, the leather is peeled off by the recoil of the tubular body at the time of fireworks launch,
The belt 1 made of a fiber material or the like is not applied with an excessive load and is not torn, so that the durability of the belt is significantly improved.

Further, since the stopper 6 provided at the base end of the hook 3 is selectively connected to the plurality of mounting holes 4 and the length thereof can be adjusted, the cylindrical body 22
It can handle large and small.

FIG. 4 shows the second embodiment, and the same parts as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

In the second embodiment, a case is shown in which a plurality of cylindrical bodies 2 that are arranged side by side are attached to the support column 23.
Are provided with pressers 31, 32 on one side, a hook metal fitting 34 that rotatably connects a hook portion 33 is provided on one presser body 31, and a connection receiving metal fitting 35 is provided on the other presser body 32. By locking the hook 33 to the receiving metal fitting 35, the cylindrical body 21 is clamped and fixed, and further fixed to the support column 23 by the fixing band 36. As described above, a plurality of cylindrical bodies may be integrally fixed instead of being a single body.

The present invention is not limited to the above embodiment, various types of tightening fittings can be applied, and the size, shape, size, etc. of the belt can be appropriately selected.

[Advantage of the Invention] The fixing band for the fireworks launching cylinder of the present invention is to fix the fireworks launching cylinder to the horizontally installed support, and to mitigate the recoil that is applied to the fireworks launching cylinder when the fireworks are hit. There is a tightening metal fitting between a pair of hooks provided at both ends, a belt made of leather, a fiber material and the like, and a bendable thin plate strip fixed to the outer surface of the belt are connected in series. Therefore, the fireworks launching cylinder can be easily fixed, and a fixed band for the fireworks launching cylinder having excellent durability can be provided. Further, a plurality of mounting holes are formed in the belt and the strip, and the hooks are connected so that their lengths can be adjusted by hooking stoppers formed on the hooks on the mounting holes. Therefore, the size of the cylinder can be adjusted.

[Brief description of drawings]

FIGS. 1 to 4 show a first embodiment of the present invention.
The figure is a perspective view, FIG. 2 (A) is a partially cutaway plan view before tightening the tightening metal fittings, and FIG. 2 (B) is a partially cutaway plan view after tightening the tightening metal fittings. Is a perspective view showing a use state, FIG. 4 is a perspective view of a main part, and FIG. 5 is a partial exploded perspective view of a second embodiment of the present invention. 1 …… Belt 2 …… Bandboard 3,21 …… Hook 4 …… Mounting hole 6 …… Stopper 7 …… Binding metal fitting 22 …… Cylinder 23 …… Stand

Claims (1)

[Scope of utility model registration request] 1. A fixed band for a pyrotechnic launch tube for fixing a pyrotechnic launch tube to a laterally-arranged pillar to mitigate a recoil that is applied to the pyrotechnic launch tube during a pyrotechnic shot, provided at both ends. Between the pair of hooks, a tightening metal fitting, a belt made of leather, a fiber material and the like and a bendable thin plate-shaped strip plate fixed to the outer surface of the belt are connected in series. Fixing hole for the pyrotechnic launch tube, wherein the hook is connected to the hook so that the length thereof can be adjusted by hooking a stopper formed on the hook to the mounting hole. .