JP2024056191A - Ejecta launcher and rescue method using the same - Google Patents

Abstract

To provide an ejecta launcher that prevents ejecta from falling from an ejecta storage container and being damaged while carrying the ejecta launcher, and that allows the ejecta to be ejected onto a target without being damaged even after launching.SOLUTION: An ejecta launcher comprises an ejecta storage container 30 that holds ejecta 40 to be launched at a target in front of it, a pressure receiver 31 that is arranged at the rear part within the ejecta storage container and slides inside the ejecta storage container, a main body 10 that stores acceleration means 12 for accelerating the ejecta and the pressure receiver at high speed and is arranged behind the ejecta storage container, a pressure receiver restraining mechanism 32 that restrains the pressure receiver for a predetermined distance and an engagement mechanism that detachably engages the pressure receiver with the ejecta, and when the ejecta and the pressure receiver are accelerated by the acceleration means and fly a predetermined distance, the engagement by the engagement mechanism disengages, and only the ejecta flies forward.SELECTED DRAWING: Figure 1

Description

The present invention relates to a projectile launcher capable of launching a projectile and a rescue method using the same.

The projectile launcher described in Patent Document 1 is a launcher that shoots out paper tape, pieces of paper, parachute toys, stuffed animals, pilot ropes, bait, fishing nets, etc. by spraying high-pressure gas from a gas cylinder.
The projectile launcher shown in Figure 12 comprises a main body 101 and a projectile storage cylinder 102. The projectile storage cylinder 102 comprises a pressure plate 111, a string 112, a lid 113, and an elastic body 114.
The main body 101 includes a gas cylinder 105 filled with compressed gas, a punching tool 117 for punching a hole in the gas cylinder 105, and a push-out spring 118 for ejecting the gas cylinder 105 toward the punching tool 117.
When the trigger 108 is pulled, the gas cylinder 108 is ejected forward, a hole is made by the punching tool 117, and the compressed gas inside is released.
The paper tape or the like inside the discharged material storage cylinder 102 is pushed into the lid 1
It is designed to open number 13 and pop out.

In banks, post offices, and various stores that may be crime scenes, spherical colored balls filled with colored liquid are placed in many facilities so that they can be thrown at criminals and serve as markers for subsequent arrests. Also, hikers sometimes carry balls filled with liquid that has an unpleasant odor to throw at wild animals such as bears that roam the countryside when they encounter them.

Japanese Patent No. 5401677

When colored balls or the like are directly thrown by human hands, the flight distance is short and it is not possible to accurately hit a target. With human hands, it is at most possible to hit a target 5 to 10 meters away. When colored balls or the like are fired using the projectile launcher described in Patent Document 1, there is a risk that the projectiles will fall from the projectile storage container due to their own weight before firing. In addition, when the projectiles are fired, there is a risk that the projectiles will hit the inner wall of the projectile storage container and be damaged.

To provide a projectile launcher which prevents projectiles from falling and being damaged from a projectile storage container even when the projectile launcher is carried, and launches the projectiles at a target without damaging the projectiles when the projectile is launched.

The present invention (1) comprises a projectile storage container for storing projectiles to be launched toward a target in front of the target;
The ejection object launcher has a pressure receiving body disposed at the rear of the ejection object storage container and sliding inside the ejection object storage container, a main body disposed at the rear of the ejection object storage container and housing an acceleration means for accelerating the ejection object and the pressure receiving body at high speed, a pressure receiving body restraint mechanism for restraining the pressure receiving body a predetermined distance, and an engagement mechanism for detachably engaging the ejection object and the pressure receiving body, and when the ejection object and the pressure receiving body are accelerated by the acceleration means and fly to the predetermined distance, the engagement by the engagement mechanism is released, allowing only the ejection object to be launched forward.

In the present invention (1), since there is an engagement mechanism that engages the projectile with the pressure receiver, the projectile will not fall from the projectile storage container due to its own weight. In addition, even if the projectile is fired, since the projectile and the pressure receiver are detachably engaged, the projectile can be fired at the target without being damaged.

The present invention (2) is a projectile launcher of the present invention (1), characterized in that the engagement mechanism has either the rear shape of the projectile or the front shape of the receiver having a convex surface, and the other having a concave surface that matches the convex surface, and an engagement material is interposed between the convex surface and the concave surface.

In the present invention (2), the engagement mechanism is such that either the rear shape of the ejection object or the front shape of the receiver has a convex surface, and the other has a concave surface that matches the convex surface, and an engagement material is interposed between the convex surface and the concave surface, so that the ejection object and the pressure receiver securely engage with each other before the ejection object is fired, and when the ejection object is fired, the ejection object can be properly separated from the pressure receiver and released toward the target.

The present invention (3) is a projectile launcher of the present invention (1), characterized in that the engagement mechanism has a protrusion on either the rear part of the projectile or the front part of the receiver, and the other has a hole part that engages with the protrusion.

In the present invention (3), the engagement mechanism has a protrusion on either the rear part of the ejection object or the front part of the receiver, and the other has a hole part that engages with the protrusion, so that the ejection object and the pressure receiving body are securely engaged before the ejection object is fired, and when the ejection object is fired, the ejection object can be properly separated from the pressure receiving body and fired toward the target.

The present invention (4) is a projectile launcher of the present invention (1), in which the pressure-receiving body restraint mechanism has an inward protrusion on the inner surface of the projectile storage container that allows the projectile to pass but not the pressure-receiving body.

In the present invention (4), the pressure-receiving body restraint mechanism has an inward protrusion on the inner surface of the release material storage container that allows the release material to pass through but not the pressure-receiving body, so that when the release material is fired, it can be properly separated from the pressure-receiving body and released toward the target.

The present invention (5) is a projectile launcher of any of the present inventions (1) to (4), further comprising a projectile connecting wire having one end connected to any one of the projectile storage container, the main body, and a fixed part connected to the ground, and having the other end connected to the projectile.

The present invention (5) further includes a projectile connecting wire having one end connected to one of the projectile storage container, the main body, or the fixed part connected to the ground, and the other end connected to the projectile. Therefore, for example, if the target is a person, the person and the person firing the projectile launcher can be connected by the projectile connecting wire.

The present invention (6) is a rescue method using the projectile launcher of the present invention (5), comprising the steps of: step 1 in which a rescuer (operator) delivers the projectile to a rescuee; step 2 in which the rescuer ties a wire A thicker than the projectile connecting wire to the end of the projectile connecting wire opposite the projectile side; step 3 in which the rescuee reels in the projectile connecting wire to obtain wire A; step 4 in which the rescuer ties a wire B thicker than wire A to the rescuer side end of wire A; step 5 in which the rescuee reels in wire A to obtain wire B; step 6 in which the rescuer and the rescuee repeat steps 4 and 5 to obtain wire C with which the rescuee can finally reel in a rescue tool to be rescued; step 7 in which the rescuer ties the rescue tool to the rescuer side end of wire C; step 8 in which the rescuee reels in wire C to obtain the rescue tool; and step 9 in which the rescuee uses the rescue tool to escape from the dangerous scene.

In the present invention (6), the projectile launcher of the present invention (5) is used to rescue a person to be rescued through steps 1 to 9. The person to be rescued may be, for example, a person left behind on a high-rise floor of a burning building, or a person left behind on an island in a flooded river.

According to the present invention, the projectiles will not fall out of the projectile storage container and be damaged even when the projectile launcher is being carried,
It is possible to provide a projectile launcher that allows the projectile to be launched at a target without causing damage to the projectile.

FIG. 2 is a partial cross-sectional view of the projectile launcher of the first embodiment. FIG. 2 is an oblique view of the projectile launcher of the first embodiment. FIG. 6 is a partial cross-sectional view of a projectile launcher according to a second embodiment. FIG. 11 is a partial cross-sectional view of a projectile launcher according to a third embodiment. FIG. 11 is a perspective view of a projectile launcher of the third embodiment. 11 is a perspective view showing various engagement mechanisms between the release material and the pressure receiving body. FIG. FIG. 2 is an enlarged cross-sectional view of the emission material and protrusions used in the first embodiment. 11A and 11B are cross-sectional views showing other engagement mechanisms between the discharge object and the pressure receiving body. 11A and 11B are cross-sectional views showing other engagement mechanisms between the discharge object and the pressure receiving body. 11A and 11B are cross-sectional views showing other engagement mechanisms between the discharge object and the pressure receiving body. A schematic diagram showing the steps of rescuing a rescuee using the projectile launcher of Example 3. FIG. 2 is a partial cross-sectional view of the projectile launcher shown in Patent Document 1.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
They are preferred in nature and are not intended to limit the scope of the invention, its applications, or its uses.

Figures 1 and 2 show embodiment 1 of the projectile launcher of the present invention.

The projectile launcher 1 includes a projectile storage container 30 and a main body 10. The projectile storage container 30 includes a pressure receiver 31 disposed at the rear of the projectile storage container 30, and the projectile 40 is delivered to the pressure receiver 31.
The engaging mechanism is described later.

A gas cylinder 12 (acceleration means) is disposed in the main body 10. The direction in which high-pressure gas sealed in the gas cylinder 12 is ejected (i.e., the leftward direction in the example of FIG. 1) is defined as the front, and the opposite direction (i.e., the rightward direction in the example of FIG. 1) is defined as the rear.
1, the main body 10 slidably houses a gas cylinder 12. A push-out spring fixture 14 for fixing the rear end of a push-out spring 13 is attached to the rear of the main body 10. The front end of the push-out spring 13 abuts against the rear of the gas cylinder 12, providing a driving force for sliding the gas cylinder 12 forward.

On the other hand, a restricting tool 18 that restricts the sliding of the gas cylinder 12 is rotatably connected to the inner wall of the main body 10 located in front of the gas cylinder 12 via a restricting tool rotating shaft 20.
The other end of the restrictor 18 (i.e., the end opposite the restrictor pivot shaft 20) is locked by the locking device 16. In other words, the restrictor 18 is fixed by the restrictor pivot shaft 20 and the locking device 16, so that the sliding of the gas cylinder 12 is restricted. As a result, the gas cylinder 12 stops with its front end abutting against the restrictor 18. Note that the state in which the restrictor 18 is perpendicular to the inner wall surface as shown in FIG. 1 is referred to as the closed position.

An explosion prevention device 17 is provided to prevent the trigger 15 from being pulled accidentally and causing an accidental detonation. The locking device 16 is provided to penetrate the wall of the main body 10 and move in a direction perpendicular to the inner wall surface, and further has a locking device recess 16a. A trigger protrusion 15a of the trigger 15 is fitted into the locking device recess 16a. The trigger 15 is rotatably connected to the outer wall of the main body 10 via a restrictor rotation shaft 20, and is held in a position where the locking device 16 protrudes from the inner wall surface of the main body 10 and locks the restrictor 18 by a trigger spring (not shown). The state in which the trigger 15 protrudes the locking device 16 from the inner wall surface of the main body 10 is referred to as a standby position.

An operator grasps the grip portion 11 and pulls the trigger 15. The trigger 15 rotates about the regulator rotation shaft 20, and the trigger protrusion 15a moves the locking tool recess 16a accordingly, so that the locking tool 16 no longer protrudes from the inner wall surface of the main body 10. As a result, the restriction by the regulator 18 is released, and the pushing spring 13 expands and pushes the gas cylinder 12 forward at high speed. At that time, the regulator 18 rotates about the regulator rotation shaft 20 due to the sliding of the gas cylinder 12, and retreats into the regulator matching groove 21 provided on the inner surface of the main body 10.

When the gas cylinder 12 collides with the punching tool 19, the tip of the gas cylinder 12 opens, and the enclosed high-pressure gas is ejected. The high-pressure gas then flows into the release material storage container 30 attached to the front of the main body 10. For this reason, it is necessary to provide a flow path for the high-pressure gas from the main body 10 to the release material storage container 30, but the configuration of the flow path is not particularly limited. For example, various configurations can be used, such as making the punching tool 19 hollow or arranging openings around the punching tool 19.

The pressure receiver 31 is connected to the discharged material storage container 30 by a pressure receiver restraining wire 32 .
When the pressure receiver 31 flies to the length of the pressure receiver restraining wire 32, the pressure receiver 31 is suddenly stopped by the pressure receiver restraining wire 32, and negative acceleration is applied to the pressure receiver 31, and the engagement mechanism with the discharged object 40 is released.
Only the projectiles 40 fly forward. Specific embodiments of the engagement mechanism are shown in Figures 6, 8, 9 and 10.

2 shows the state immediately after launch of the projectile launcher 1 of embodiment 1. The pressure receiver 31 is restrained and stopped by the pressure receiver restraining wire 32, and the projectile 40 separates from the pressure receiver 31 and starts flying independently.

FIG. 3 shows the projectile launcher 2 of the second embodiment.
The difference with the above is that the release object launcher 2 does not have the pressure receiver restraining wire 32 and the engagement mechanism is different. The rest is the same, so explanation will be omitted. The engagement mechanism of the release object launcher 2 will be explained with reference to Figures 8 to 10. The inner protrusion 35 replaces the pressure receiver restraining wire 32 of the release object launcher 2. The inner diameter of the inner protrusion 35 is set to be smaller than the outer diameter of the pressure receiver 31 and larger than the outer diameter of the release object 40, so that the pressure receiver 31 is stopped by the inner protrusion 35, the engagement mechanism is released, and only the release object 40 is launched.

FIG. 4 shows the projectile launcher 3 of the third embodiment.
The difference between the two is that in the projectile launcher 3, a projectile connecting wire 46 is attached to the projectile 40. The rest is the same, so a description will be omitted. The projectile connecting wire 46 is connected to a fixed part that is connected to the ground, but it may also be connected to the projectile storage container 30 or the main body 10. The presence of this projectile connecting wire 46 allows, for example, a connection between a person who receives a projectile 40 and an operator of the projectile launcher 3.

5 shows the state immediately after launch of the projectile launcher 3 of the third embodiment. The pressure receiver 31 is restrained by the pressure receiver restraining wire 32 and stops, and the projectile 40 separates from the pressure receiver 31 and starts flying independently. The projectile connecting wire 46 is then sent out together with the projectile 40.

Fig. 6 shows an example of an engagement mechanism between the release object 40 and the pressure receiver 31. This is merely an example, and other configurations are of course possible. In Fig. 6 (1), the release object 40 has a convex surface 41, and adhesive 43 is applied to the surface in four places. There is a protrusion 42, but in this embodiment, this protrusion 42 is not related to the engagement mechanism. The pressure receiver 31 is formed with a concave surface 33, and a hole 3 is formed in the pressure receiver 31.
The hole 34 is also not related to the engagement mechanism.
The discharge object 40 and the pressure receiving body 31 are engaged by fitting the discharge object 40 to the concave surface 33 of the pressure receiving body 31 .

FIG. 6(2) shows a different engagement mechanism from that shown in FIG. 6(1). The difference is that
6(3) is different in that a hook and loop fastener 45 is used as another engagement mechanism. A hook and loop fastener hook surface 45a is attached to the convex surface 41, and a hook and loop fastener loop surface 45b is attached to the concave surface 33.
b is attached.

6(1) to (3), the engagement strength of the engagement mechanism can be adjusted by adjusting the adhesive strength of the adhesive 43, the attachment strength of the double-sided tape 44, and the bond strength of the hook surface 45a and the hook surface 45b of the hook-and-loop fastener. It is preferable to weaken the engagement strength to the extent that the release material 40 does not come off the pressure receiver 31, and launch the release material launcher 1 to minimize the deceleration of the release material 40 when the release material 40 and the pressure receiver 31 come off from each other.

Fig. 7(1) shows a cross-sectional view of the release 40. A colored liquid or the like used in color balls is poured into the internal space 47 through the opening 42a, and the internal space 47 is sealed with the plug 42b. The protrusion 42 fits into the hole 34. Fig. 7(2) shows an enlarged view of the dotted circle portion in Fig. 7(1).
2b is fixed to the protrusion 42 by engaging the male thread 42c with the female thread 42b.

8 to 10 show alternative engagement mechanisms to those shown in FIG.
0A and the pressure receiving body 31A are separated.
The pressure receiver 31A has an annular groove 34Aa formed in the hole 34A. Fig. 8(2) shows the state in which the release material 40A and the pressure receiver 31A are engaged with each other.
The outer protrusion 42Aa deforms the hole 34A and engages with the hole annular groove 34Aa in a snap-lock manner. When the projectile launcher 2 is launched, it changes from the state shown in Figure 8(2) to the state shown in Figure 8(1), and the projectile 40A flies independently.

Unlike Fig. 8, Fig. 9 has a male taper 42Ba formed on the protrusion 42B of the release 40B, and a female taper 34Ba formed in the hole 34B of the pressure receiver 31B. Fig. 9(1) shows the separated state, and Fig. 9(2) shows the engaged state. The male taper 42Ba and the female taper 34Ba are taper-fitted, and the release 40B and the pressure receiver 31B are engaged. When the release launcher 2 is launched, the state changes from Fig. 9(2) to Fig. 9(1), and the release 40B flies independently.

8 and 9, FIG. 10 shows a projection 42C of a discharged object 40C having a flange 42C.
10(a) shows the disengaged state, and FIG. 10(2) shows the engaged state.
a and the hole bottom recess 34Ca are engaged in a snap-lock manner, and the discharged object 40C and the pressure receiving body 31C
When the projectile launcher 2 is launched, the state changes from that of Figure 10(2) to that of Figure 10(1), and the projectile 40C flies independently.

FIG. 11 is a schematic diagram showing a rescue of a person P stranded in a building on fire, using a projectile launcher 3. A projectile 40 with a projectile connecting wire 46 is launched from the projectile launcher 3 toward the person P (see FIG. 11 (1)).
The rescuee P picks up the projectile 40, and the operator (not shown) ties the wire A (46A) to the end of the projectile connecting wire 46. (See FIG. 11 (2)).
Further, a thicker wire reaches the rescuee P, and finally, a wire C (46C) for delivering a rescue tool 46D to the rescuee P reaches the rescuee P. (FIG. 11 (3)
reference.)
Finally, the rescue tool 46D reaches the rescuee P, and the rescuee climbs onto the rescue tool 46D and descends to the ground to be rescued (see FIG. 11 (4)).

According to the rescue method shown in Fig. 11, it is possible to rescue people who are stranded in buildings on roads that are too narrow for vehicles such as fire engines and ladder trucks to enter. The ejection device 3 is a simple and easy-to-use ejection device, and simply equipping a vehicle such as a fire engine with the ejection device, wires, and rescue tools makes it possible to save lives.

As described above, the projectile launcher of the present invention can be used for crime prevention, rescue, etc., because the projectiles will not fall out of the projectile storage container and be damaged while the projectile launcher is being carried, and the projectiles can be launched at a target without being damaged.

1, 2, 3 Projectile launcher 10 Body 11 Grip 12 Gas cylinder (acceleration means)
[0033] 13 Extrusion spring 14 Extrusion spring fixing device 15 Trigger 19 Perforation device 15a Trigger protrusion 16 Locking device 16a Locking device recess 17 Explosion prevention device 18 Restricting device 20 Restricting device pivot shaft 21 Restricting device evacuation groove 30 Released object storage container 31, 31A, 31B, 31C Pressure receiving body 32 Pressure receiving body restraining wire 33 Concave surface 34, 34A, 34B, 34C Hole 34Aa Hole annular groove 34Ba Female taper 34Ca Hole bottom recess 35 Inward projection 40, 40A, 40B, 40C Released object 41 Convex surface 42, 42A, 42B, 42C Projection 42Aa Outward projection 42Ba Male taper 42Ca flange portion 42a opening 42b plug 42c male thread 42d female thread 43 adhesive 44 double-sided tape 45 hook-and-loop fastener 45a hook-and-loop fastener hook surface 45b hook-and-loop fastener loop surface 46 release material connecting wire 46A wire A
46C Wire C
46D Rescue equipment 47 Internal space P Rescued person

Claims (6)

a projectile storage container for storing projectiles to be fired at a forward target;
A pressure receiving body is disposed in a rear portion of the discharged material storage container and slides inside the discharged material storage container;
a main body that houses an acceleration means for accelerating the discharged material and the pressure receiving body at high speed and is disposed behind the discharged material storage container;
a pressure-receiving body restraining mechanism that restrains the pressure-receiving body by a predetermined distance;
An engagement mechanism that detachably engages the discharged object and the pressure receiving body,
When the projectile and the pressure receiver are accelerated by the acceleration means and fly to the specified distance, the engagement by the engagement mechanism is released, allowing only the projectile to fly forward. The projectile launcher described in claim 1, characterized in that the engagement mechanism has a convex surface on one of the rear shape of the projectile and the front shape of the receiver, and the other has a concave surface that matches the convex surface, with an engagement material interposed between the convex surface and the concave surface. 2. The projectile launcher according to claim 1, wherein the engagement mechanism has a protrusion on one of the rear portion of the projectile and the front portion of the receiver, and a hole on the other portion that engages with the protrusion. 2. The projectile launcher according to claim 1, wherein the pressure receiver restraint mechanism is provided with an inward protrusion on the inner peripheral surface of the projectile storage container that allows the projectile to pass but not the pressure receiver. The projectile launcher described in any one of claims 1 to 4 further comprises a projectile connecting wire having one end connected to any one of the projectile storage container, the main body, and a fixed part connected to the ground, and having the other end connected to the projectile. A rescue method using the projectile launcher of claim 5, comprising:
Step 1: a rescuer delivers the release to a rescuee;
Step 2: a rescuer ties a wire A thicker than the discharged object connecting wire to the end of the discharged object connecting wire opposite to the discharged object side;
Step 3: the rescuee pulls in the discharged object connecting wire to obtain the wire A;
Step 4: A rescuer ties a wire B thicker than the wire A to an end of the wire A on the rescuer side;
Step 5: the rescuee pulls in the wire A to obtain the wire B;
Step 6: The rescuer and the rescuee repeat steps 4 and 5 to obtain a wire C by which the rescuee can finally pull in a rescue tool to be rescued;
Step 7: the rescuer ties the rescue tool to the rescuer's end of the wire C;
Step 8: the rescuee pulls in the wire C to obtain the rescue tool;
A rescue method comprising a step 9 in which the rescuee uses the rescue tool to escape from the dangerous scene.