JPH072798U - cracker - Google Patents

Abstract

(57) [Summary] [Purpose] Collecting small ejected substances such as small tapes ejected to the front of the cylinder when a cracker explodes, the pressure receiving plate, and the lid, which does not become dust as it scatters around.・ Be very easy to clean up. [Structure] An explosive body 6, a pressure receiving plate 4, and a small winding tape are provided inside a cylindrical body 1 having a lid 2 for closing a front end opening 1a.
In a cracker in which ejected substances 7 such as a chain flag and a hanging curtain are stored and a drawstring 8 for exploding the explosive body 6 is led to the rear side, the drawstring 8 penetrates the pressure receiving plate 4 and is located in front of the explosive body 6. The end of the extension string portion 8A is attached to one end of the spout 7 in a non-separable manner to prevent the spout 7 from being separated from the cylindrical body 1 and scattered around when the explosion is fired.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This device is used as one of the effects of production at various parties and events, so by exploding the explosive body by pulling the drawstring, the explosive force causes the explosive force to be stored in the cylinder. It relates to crackers designed to fire various ejecta such as flags and price tags into the air with a roaring sound.

[0002]

[Prior art]

 This type of cracker that has been commonly used in the past is that the explosive force of the explosive body causes the ejected substances such as small tapes contained in the cylinder to be released from the cylinder and fired forward. It was supposed to be done. Further, in the case of a structure in which a pressure receiving plate for flame prevention is interposed in the cylinder body, the pressure receiving plate is also released from the cylinder body in the same manner as the ejected matter and is fired forward. In the case of a cracker of the type in which the lid that closes the front end opening of the is formed separately from the cylinder, the lid is also released from the cylinder like the above ejecta and is fired forward. there were.

[0003]

[Problems to be solved by the device]

 In the conventional cracker described above, the ejecta, pressure plate, lid, etc. that were fired forward due to the explosion are widely scattered around the area where the cracker is used, and after use it becomes so-called trash. There was a problem that it took a lot of time to clean up after cleaning. In particular, in the case of a large ejecta such as a small tape or a curtain, the ejecta was expanded and expanded by the explosion / launch, and it was very difficult to collect it.

The present invention has been made in view of the above circumstances, and it is possible to easily and quickly perform cleaning such as cleaning by suppressing scattering to the peripheral portion while maintaining a predetermined effect by firing. The aim is to provide a cracker that can.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, a cracker according to claim 1 of the present invention is provided with a tubular body having at least a front end opening and a lid portion closing the opening, and a cylindrical body housed in the tubular body. The explosive body, the draw string that is drawn out rearward from the rear end of the cylindrical body, and causes the explosive body to explode forward by its pulling operation, and the explosive force of the explosive body that is housed in the cylindrical body. With a cracker provided with a spout such as a small tape that is fired forward with the lid open, the drawstring is integrally extended forward from the explosive body. One end of the ejected matter is permanently attached to the tip of the extension string.

Further, the cracker according to claim 2 has a tubular body having at least a front end opened, and a lid provided to close the opening, an explosive body housed in the tubular body, and the tubular body. The drawstring that is pulled out rearward from the rear end and explodes the explosive body forward by the pulling operation, and the lid part that is housed in the cylinder and opens due to the explosive force of the explosive body. In a cracker including a small tape or other ejecta ejected forward, the lid is integrally formed with the tubular body, and the drawstring is directed forward of the explosive body. An annular body that is integrally extended, the distal end portion of the extension cord portion is fixed to the lid portion or the cylindrical body, and the extension cord portion is movable in the longitudinal direction and is not detachable. In addition, one end of the ejecta It was attached.

A cracker according to claim 3 is the cracker according to claim 1 or 2, wherein a flameproof pressure-receiving plate is interposed between the explosive body and the ejectant accommodating portion in the cylinder. At the same time, the extension string portion of the drawstring is passed through the pressure receiving plate.

Further, the cracker according to claim 4 is the cracker according to claim 1 or 2, wherein a lid portion for closing the front end opening portion of the tubular body is formed separately from the tubular body, and the lid portion has the above-mentioned structure. The extension string portion of the drawstring is pierced through the tip portion, and the tip portion is irremovably locked and retained by the lid portion.

Further, the cracker according to a fifth aspect is the cracker according to the first aspect, wherein a lid portion that closes a front end opening portion of the tubular body is provided so as to be detachable from the tubular body, and an extension cord of the drawstring. The base end portion of the ejected matter is connected to the portion, and the tip end portion of the ejected matter is fixed to the lid portion.

[0010]

[Action]

 According to the cracker of claim 1 of the present invention, when the pulling string is pulled backward by the other hand while holding the tubular body with one hand to explode the explosive body, the tubular body is accompanied by the explosive force. The lid that closes the front end opening is opened, and ejected substances such as small tapes stored in the cylinder are ejected forward from the front end opening. At this time, one end of the ejecta is irremovably attached to the tip of the extension string part that extends integrally forward from the drawstring, so the ejecta elongates from the wound state due to the explosion / launch. Even when it is deployed, it does not separate from the cylinder and is not scattered around, and after the explosion it is kept in a state of being connected to the cylinder through a drawstring and does not become garbage. Therefore, after use, it is possible to collect them together by holding the cylinder and pulling out and expanding the ejected products forward, and it is very easy to clean up all the cracker components. Is possible.

Further, according to the cracker of the second aspect, the tip end of the extension cord portion integrally extended forward from the drawstring is fixed to the lid portion or the cylinder body formed integrally with the cylinder body. Since one end of the ejecta is detachably attached to the annular body that is movably held in the longitudinal direction in the middle of the extension cord part up to the fastening point, When attaching, separate an annular body from the tubular body from the tubular body, attach each ejection product in advance to this, insert this annular body into the extension string portion, and then It is possible to fabricate and assemble the tip part in the order of fixing the tip part to the lid part or the cylinder body, and therefore, when the explosion / launch, each ejecta is not separated from the cylinder body and scattered around. When making, make sure that each It eliminates the need for troublesome assembly work such as attaching spouts, and makes it possible to easily fabricate a predetermined cracker.

Further, according to claim 3, the pressure receiving plate interposed in the cylindrical body in order to prevent the danger that the ignition source of the explosive body burns into the ejected substance at the time of explosion is scattered to the outside of the front of the cylindrical body at the time of explosion. However, it is also possible to prevent the light from being scattered around by the extension cord portion.

Further, according to claim 4, even if the lid formed separately from the tubular body is separated from the tubular body and explodes toward the front at the time of explosion, the scattered lid portion is extended string portion. It can be held at the tip of the lid and the lid can be prevented from scattering.

Further, according to the fifth aspect, the tubular body, the detachably provided lid portion, and the ejected matter are integrated with each other at the time of an explosion, and separated from the tubular body and scattered forward. Can collect them together.

[0015]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a vertical cross-sectional view showing a state before explosion of a cracker according to an embodiment of the present invention, and FIG. 2 is a vertical sectional side view showing a state after explosion of the cracker. In FIG. 1, 1 is a front end portion of the cracker. A frusto-conical resin cylindrical body integrally formed with a lid 2 that is opened and closes the opening 1a so that it can be folded into a petal shape in a front view. From the rear end portion to the front end opening 1a side, the explosive body seat 3 and the flameproof pressure receiving plate 4 are housed in order, and a small tape is wound between the pressure receiving plate 4 and the lid 2. 7a, a chain flag 7b wound in a reel shape, and a spouted substance storage section 5 for storing a plurality of spouted substances 7 such as artificial flowers, banners, price tags, and the like.

Reference numeral 6 denotes a squeegee-type explosive body having its tip end opposed to the pressure receiving plate 4 and having a rear end portion thereof received and supported by the explosive body receiving seat 3. The explosive body 6 is of the cylindrical body 1. A pulling operation of the grip string portion 8C of the drawstring 8 led out from the rear end portion on the small diameter side causes an explosion toward the front. The drawstring 8 is inserted through the central portion of the explosive body 6 and is extended long forward as well. The extension string portion 8A penetrates the hole 4a in the central portion of the pressure receiving plate 4 and the ejecta accommodating portion. Introduced in 5. The tip portion of the elongated string portion 8A introduced into the ejecta body storage portion 5 is folded back, and the folded back end portion is fixed with a tape 9 to form a loop portion 8B. One end of the ejecta 7 is tied up, and it is attached in a non-separable manner by fastening means such as tape fastening and stapler fastening.

The extension cord portion 8A is set to a length such that the tip loop portion 8B thereof is projected and projected slightly forward of the front end opening portion 1a of the cylindrical body 1 due to an explosion. The extension cord portion 8A having such a length is bent and stored as shown in FIG. Further, in forming the loop portion 8B at the tip of the extension string portion 8A, instead of fixing the folded end portion with the tape 9, the folded end portion may be knotted or stapled.

Furthermore, as shown in FIG. 3, as the drawstring 8, the length L0 of the grip string portion 8C and the length L1 of the extension string portion 8A for performing the pulling operation on the explosive body 6 are made the same. It is desirable to set. In the case where the explosive body 6 is configured to have the same length in the front and rear as described above, it is possible to insert either one in the front and the rear when assembling it into the tubular body 1, and the assembling becomes easy.

In the cracker configured as described above, while holding the cylinder 1 with one hand, grasp the grip string portion 8C of the drawstring 8 with the other hand and pull it toward the rear side of the cylinder 1. When the explosive body 6 explodes, the lid portion 2 that closes the front end opening portion 1a of the cylindrical body 1 is opened due to the explosive force, and the explosives storage portion 5 of the pressure receiving plate 4 and the cylindrical body 1 is stored. Each ejected substance 7 such as a small winding tape is ejected forward from the front end opening 1a. At this time, the extension cord portion 8A penetrates through the central hole 4a of the pressure receiving plate 4, and one end of the ejecta 7 is irremovably attached to the tip portion of the extension cord portion 8A. As shown in FIG. 2, the spout 7 is expanded from the wound state and expanded to exhibit a predetermined function by the firing, but after the explosion, the spout 7 is integrated with the tubular body 1 via the drawstring 8 and the extension string portion 8A. And the pressure receiving plate 4 is also kept penetrating the base end of the loop portion 8B of the extension string portion 8A, and they are scattered around and scattered dust. Never be.

Therefore, after the explosive use, by holding the cylinder 1 and pulling the ejected matter 7 that has been extended forward and expanded, the ejected matter 7 is collected and discarded together, so that the surroundings of the place where the cracker is used. Since the ejecta 7 and the pressure receiving plate 4 are not scattered, it is possible to clean up all the cracker components very easily.

FIG. 4 is a vertical cross-sectional view showing a state before the explosion of the cracker according to another embodiment of the present invention, and FIG. 5 is a vertical side view showing the state after the explosion of the cracker, which is different from the above-mentioned example. The point is that the tip portion of the extension string portion 8A of the drawstring 8 is fixed to the inner surface side of the lid portion 2 formed integrally with the tubular body 1 by the tape 10 or the like, while the extension string portion 8A is attached to the extension string portion 8A in the longitudinal direction thereof. As shown in FIG. 5, a ring-shaped body 11 that is movable along and cannot be separated is loosely fitted, and one end of a plurality of ejecta 7 is attached to this ring-shaped body 11 in a non-separable manner, and at the time of explosion, When the annular body 11 moves forward along the extension cord portion 8A, at the same time, a plurality of ejecta 7 expands from the wound state and expands to exhibit a predetermined function. Other configurations are Since it is the same as the above example, The same reference numerals are given and their description is omitted.

In this embodiment, before the end of the extension cord portion 8A is fixed to the inner surface side of the lid portion 2, it is separated from the cylinder body 1 and the outside of the cylinder body 1 is separated. After one end of any number of spouts 7 is permanently attached to the annular body 11 which can be separated, the annular body 11 is loosely fitted to the extension string portion 8A, and then the tip of the extension string portion 8A is attached. By fixing the portion to the inner surface side of the lid portion 2, there is an advantage that a plurality of ejected substances 7 can be easily attached and a predetermined cracker can be easily produced. Further, in this embodiment, the distal end portion of the extension string portion 8A may be fixed to the inner surface of the lid 1 near the opening 1a instead of the inner surface of the lid 2.

FIG. 6 is a vertical cross-sectional view showing a state of a cracker before explosion according to another embodiment of the present invention, and FIG. 7 is a vertical cross-sectional side view showing the state of the cracker after explosion. In this example, A lid 2 for closing the front end opening 1a of the tubular body 1 is formed separately from the tubular body 1 from, for example, urethane foam or cardboard, and a hole 2a formed in the central portion of the lid 2 is formed. As shown in FIG. 8, the tip portion of the extension string portion 8A is penetrated and the tip portion is folded back to make a loop portion 8a having a size that does not penetrate the hole 2a, or as shown in FIG. By forming a knot 8b having a size that does not penetrate the hole 2a, the lid portion 2 is irremovably locked and held at the distal end portion of the extension string portion 8A, while the spouted substance storage portion 5 is slackened. One of a plurality of ejecta 7 is stored in the extended string portion 8A to be stored. The end is attached so that it cannot be removed.

The cracker in this embodiment also operates in substantially the same manner as each of the above-mentioned embodiments, but at the time of explosion, the lid portion 2 separates from the cylindrical body 1 like the ejecta 7 as shown in FIG. Although it will be fired forward, the fired lid part 2 is still retained by the tip of the extension cord portion 8A, and the lid part 2 may be scattered around and become dust. To be prevented. In this embodiment, the tip portion of the extension cord portion 8A penetrating the hole 2a formed in the central portion of the lid portion 2 may be fixed to the outer surface of the tubular body 1 and, although not shown, the spout The annular body 11 described above may be movably loosely fitted in the extension cord portion 8A stored in the object storage portion 5 in a loose state.

FIG. 10 is a longitudinal sectional view showing a state of a cracker before explosion according to another embodiment of the present invention, and FIG. 11 is a vertical sectional side view showing the state of the cracker after explosion. In this example, The lid 2 for closing the front end opening 1a of the tubular body 1 is provided separately from the tubular body 1 and detachable from, for example, foam urethane or cardboard, and at the center of the explosive body 6. The string 7B in the spout 7 that is connected in a chain shape via the string 7B, such as a chain flag 7b, at the tip of the extension string portion 8A that has been extended a little forward by inserting the string 7B. The base end part of this is connected by a knot, and the tip part of the chain-like ejected matter 7 is fixed to the inside of the lid part 2 by a tape stopper or the like. If the chain-like ejecta 7 does not burn or is difficult to burn, Therefore, the flameproof pressure receiving plate used in each of the above embodiments is omitted.

The cracker in this embodiment operates in substantially the same manner as each of the above-described embodiments, but at the time of explosion, the lid portion 2 is separated from the cylinder body 1 together with the ejected substance 7 as shown in FIG. Although the fired lid part 2 is fired to the tip end of the string 7B of the chain-like ejecta 7 connected to the tip part of the extension string part 8A, It is prevented that the lid portion 2 and the chain-like spout 7 are scattered around and become dust.

[0027]

[Effect of device]

 As described above, according to the present invention, one end of the ejected material such as the small winding tape contained in the cylinder cannot be detached from the end portion of the extension cord portion integrally extended forward from the drawstring. Since it is attached to the cylinder, the explosives will not be released from the cylinder and scattered into the surrounding area while exhibiting a predetermined function by expanding and expanding from the rolled state due to explosion / launch. After that, it is kept in a state of being connected to the cylinder through a drawstring so that it does not become garbage. Therefore, after use, it is possible to collect them together by holding the cylinder and pulling out the expanded products that have been expanded forward and deployed, and it is very easy and efficient to clean up all of the cracker components. Can be done.

[0028] According to the cracker of the second aspect, in the middle of the extension string portion integrally extended from the drawstring toward the front, the annular body movably held in the longitudinal direction of the extension string Since one end is configured to be detachable, when a large number of ejecta are to be attached, an annular body separate from the tubular body is separated from the tubular body, and each ejecta is previously attached to this. It is possible to make and assemble the annular body by inserting it into the extension cord part and then fixing the tip of the extension cord part to the lid part or the cylinder body. It is possible to easily produce a cracker in which objects are not separated from the cylinder and scattered around, without requiring a troublesome assembling work such as mounting each ejected product in or near the narrow cylinder.

Further, according to the cracker of claim 3, the pressure receiving plate interposed in the cylindrical body in order to prevent the danger that the ignition source of the explosive body is burnt to the ejecta at the time of explosion is Since the extension string can prevent scattering to the outside and scattering to the surroundings, it is easy to clean up the cracker with the pressure receiving plate.

Further, according to the crackers of claims 4 and 5, even if the lid portion formed separately from the tubular body is separated from the tubular body at the time of explosion and is scattered forward, it is scattered. The lid can be held at the tip of the extension string and the tip of the chain-like spout that is connected to it, and it is possible to prevent the lid from scattering, and to clean up after using this type of cracker. Can be done easily.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view showing a state of a cracker according to an embodiment of the present invention before explosion.

FIG. 2 is a vertical sectional side view showing a state after explosion of the cracker.

FIG. 3 is a side view of the pull cord with the explosive body used for the cracker.

FIG. 4 is a vertical sectional view showing a state of a cracker according to another embodiment of the present invention before explosion.

FIG. 5 is a vertical sectional side view showing a state after explosion of the cracker.

FIG. 6 is a longitudinal sectional view showing a state of a cracker according to another embodiment of the present invention before explosion.

FIG. 7 is a vertical sectional side view showing a state after explosion of the cracker.

FIG. 8 is a side view of a main part showing an example of a structure for irremovably locking and holding the lid part on the tip part of the extension cord part of the cracker.

FIG. 9 is a side view of the main part showing another example of the structure for irremovably locking and holding the lid part on the tip part of the extension cord part of the cracker.

FIG. 10 is a vertical cross-sectional view showing a state of a cracker according to another embodiment of the present invention before explosion.

FIG. 11 is a vertical sectional side view showing a state after explosion of the cracker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical body 1a Opening part 2 Lid part 4 Pressure receiving plate 6 Explosive body 7 Ejectate 8 Pull string 8A Extension string part 8B Loop part 11 Annular body

Claims (5)

[Scope of utility model registration request] 1. A cylinder having at least a front end opened and a lid for closing the opening, an explosive body housed in the cylinder, and a rear end from the rear end of the cylinder. And a drawstring that explodes the explosive body forward by the pulling operation, and a small tape that is housed in the cylinder body and opens the lid portion with the explosive force of the explosive body and is fired forward. In the cracker provided with the ejecta of, the drawstring is integrally extended toward the front of the explosive body, and one end of the ejecta is permanently attached to the tip of the extension cord. A cracker characterized by having. 2. A cylinder having at least a front end opened and a lid for closing the opening, an explosive body housed in the cylinder, and a rear end from the rear end of the cylinder. And a drawstring that explodes the explosive body forward by the pulling operation, and a small tape that is housed in the cylinder body and opens the lid portion with the explosive force of the explosive body and is fired forward. In the cracker including the ejecta of, the lid portion is formed integrally with the tubular body, and the drawstring is integrally extended toward the front side of the explosive body, and an extension cord portion thereof. One end of the ejected matter cannot be detached from the annular body whose distal end is fixed to the lid or the cylinder and is movable in the longitudinal direction of the extension cord and is non-separable. Class characterized by being installed Kucker. 3. A flameproof pressure receiving plate is interposed between the accommodating portion of the explosive body and the accommodating portion of the ejected substance in the cylindrical body, and the extension cord portion of the drawstring penetrates the pressure receiving plate. The cracker according to claim 1 or 2, which is provided. 4. A lid portion for closing the front end opening portion of the tubular body is formed separately from the tubular body, and an extension cord portion of the drawstring is pierced through the lid portion to cover the distal end portion of the cord. The cracker according to claim 1 or 2, wherein the portion is irremovably locked and retained. 5. A lid portion for closing the front end opening of the tubular body is provided so as to be detachable from the tubular body, and a base end portion of the ejected matter is connected to an extension string portion of the drawstring, and The cracker according to claim 1, wherein a tip portion of the ejected matter is fixed to the lid portion.