JP2010266082A - Large cracker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a large cracker enabling easy attachment/detachment of a cartridge to/from an exterior container, preventing detachment of the cartridge from the exterior container when used and permitting reuse of the exterior container. <P>SOLUTION: Lock projections 46 are formed on the inner peripheral face of the exterior container 4, and the cartridge 2 comprises an approximately cylindrical body part 20 and a hook part 24 protruded from the outer peripheral side of the body part 20 toward the axial direction. When the cartridge 2 is fitted to inside of the exterior container 4, with the hook part 24 located ahead, the cartridge 2 is inserted from a firing port 44. By rotating the cartridge 2, the lock projections 46 of the exterior container 4 are engaged with the hook part 24 of the cartridge 2, so that the cartridge 2 is locked on the inner side of the exterior container 4. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a large cracker that emits explosive sound and discharges a tape, confetti, and the like from a launch port by pulling a drawstring.
More specifically, the present invention relates to a large cracker in which a cartridge containing a plurality of small crackers is used by being detachably mounted inside an outer container.

  In recent years, large crackers with a total length of more than 1 m have been developed and gained popularity as crackers used at Christmas parties and weddings. This type of large cracker consists of a small number of small crackers in which the explosive explodes by pulling the drawstrings, and the explosives such as tapes and confetti are launched into the air by the explosion. Yes.

As such a large cracker having a plurality of small crackers, a large cracker as shown in FIGS. 11 and 12 is disclosed by the present applicant.
FIG. 11 is a cross-sectional view showing the large cracker 100 of Patent Document 1. As shown in FIG.

  As shown in FIG. 11, the large cracker 100 includes a plurality of small crackers 150 and 150 in an outer cylinder 104 in which a launch port 144 narrowed at the front end and a string outlet 142 are formed at the rear end. Are arranged in parallel so as to bring the front end sides closer to each other and the rear end sides away from each other. Then, by pulling the pull string 130 led out from the string lead-out port 142, a plurality of small crackers 150, 150,... Explode all at once, drawing a trajectory crossing each other, and simultaneously launching tape, confetti, etc. Is configured to be fired.

FIG. 12 is a perspective view showing a state before the cartridge is stored inside the outer cylinder in the large cracker 200 of Patent Document 2. FIG.
As shown in FIG. 12, the large cracker 200 accommodates a conical outer tube 204 having a launch port 244 formed at the front end and a string outlet port 242 formed at the rear end, and a plurality of small crackers 250, 250,. The cartridge 202 is formed in a reverse truncated cone shape, that is, a shape formed by cutting the tip end side of the cone. Then, as indicated by the arrows in FIG. 12, the cartridge 202 is inserted from the launch port 244 of the outer cylinder 204 and the cartridge 202 is fitted into the outer cylinder 204 in a wedge shape. It is configured to be stored in the outer cylinder 204.

  In the large cracker 200 assembled in this way, a plurality of small crackers 250, 250,... And discharges such as confetti are fired. Further, after use, the outer cylinder 204 can be reused by taking out the cartridge 202 and storing the new cartridge 202 in the outer cylinder 204 again.

Japanese Patent No. 3516669 Japanese Patent No. 3971822 JP 2008-292045 A

  By the way, since the outer cylinder 104 and the plurality of small crackers 150, 150,... Are integrally assembled so as not to be separable or difficult to segregate, the large cracker 100 of Patent Document 1 is assembled together with the large cracker 100 after use. It was necessary to discard the whole, and the outer cylinder 104 could not be reused.

  Further, although the large cracker 200 of Patent Document 2 is configured so that the outer cylinder 204 can be reused, the cartridge 202 can be removed by simply fitting the cartridge 202 and the outer cylinder 204 into a wedge shape. In order to store in the inside of the cylinder 204, there has been a problem that the cartridge 202 is detached from the outer cylinder 204 when the launch port 244 is turned downward.

  In addition, the shape of the outer cylinder 104 is limited to a conical shape, and the launch port 244 is inevitably on the diameter-enlarged side of the cone. Therefore, the shape of the outer container cannot be varied, and there is a lack of taste. It was.

  Regarding the shape of the outer container of the cracker, as shown in FIG. 13, a bottle-type cracker 300 in which the outer container 304 has a bottle shape and the mouth portion forms a launching port 344 is disclosed by the present applicant. (Patent Document 3). However, the bottle-type cracker 300 of this Patent Document 3 inserts the support base 302 on which one small cracker 350 is placed from the string outlet 342 and mounts the small cracker 305 inside the outer container 304. However, it is not a large cracker that houses a plurality of small crackers. Further, when the size of the bottle-type cracker 300 is increased, it is necessary to increase the size of the support base 302 as well as the outer container 304. Therefore, it is difficult to assemble and remove the support base 302.

  The present invention has been made in view of such conventional problems, and the cartridge can be easily attached to and detached from the outer container, and the cartridge is difficult to be removed from the outer container at the time of use. The purpose is to provide a large cracker that is possible.

  Another object of the present invention is to provide a large-scale cracker that is rich in unexpectedness and can have variations in the exterior container, such as an exterior container in the shape of a bottle.

The present invention was invented in order to achieve the above-described problems and objects in the prior art, and the large cracker of the present invention is
An outer container having a launch port at the front end and a string outlet at the rear end;
A cartridge containing a plurality of small crackers,
A large-scale cracker used by detachably mounting the cartridge inside the outer container,
A locking projection is formed on the inner peripheral surface of the outer container,
The cartridge is composed of a cylindrical main body part and a hook part protruding in the axial direction from the outer peripheral side of the main body part,
When mounting the cartridge inside the outer container,
With the hook part first, the cartridge is inserted from the launch port, and the cartridge is rotated.
The latching convex portion of the outer container and the hook portion of the cartridge are engaged to latch the cartridge.

  By configuring in this way, it becomes easy to detachably mount a cartridge containing a plurality of small crackers inside the outer container, and after use, take out the cartridge and re-install a new cartridge. The outer container can be reused.

  In addition, since the engaging convex portion of the outer container and the hook portion of the cartridge are engaged, and the cartridge is locked inside the outer container, it is difficult to remove the cartridge from the outer container during use. The cartridge will not come off from the outer container even if the is turned downward.

In the above invention, the hook portion includes a hook base end portion protruding in an axial direction from the outer peripheral side of the cartridge main body portion, and
It is desirable that the hook base end portion is constituted by a hook engaging portion projecting from the distal end side toward the outer peripheral direction.

  By configuring in this way, the hook portion for detachably mounting the cartridge in the exterior container can be formed with a simple structure, so a large cracker that is easier to mount and remove the cartridge is provided. can do.

In the above invention,
A plurality of the hook portions are formed,
It is desirable that tips of the plurality of hook portions are connected to each other by a bottom plate.

  With this configuration, since the plurality of hook portions are formed, the cartridge can be stably locked inside the outer container. Further, since the plurality of hook portions are integrally connected via the bottom plate, the force does not concentrate on only one hook portion, and the hook portion is reinforced.

In the above invention, it is desirable that the cartridge is formed of paper.
With such a configuration, since the cartridge to be discarded for each use is formed of paper, the manufacturing cost of the cartridge can be suppressed, and an economical large cracker can be provided.

Moreover, in the said invention, it is desirable for the said exterior container to make a bottle shape, and the opening part comprises a launching port.
By comprising in this way, the large-sized cracker with which the exterior container made the bottle shape and was rich in the unexpectedness can be provided. That is, for example, when used at a party such as a Christmas party or a wedding ceremony, a plurality of small crackers inside the outer container are exploded all at once as if opening a sparkling wine, and tape or confetti is discharged from the launch port. Therefore, it is possible to provide a production that is sufficiently gorgeous and surprising.

  ADVANTAGE OF THE INVENTION According to this invention, a cartridge can be easily attached or detached to an exterior container, a cartridge cannot be easily removed from an exterior container at the time of use, and the large-sized cracker which can reuse an exterior container can be provided.

  Further, according to the present invention, it is possible to provide a large-scale cracker rich in surprise, which can give variations to the outer container, such as a bottle-shaped outer container.

FIG. 1 is a perspective view showing the state of the large cracker of the present invention before the cartridge is mounted inside the outer container. FIG. 2 is a cross-sectional view illustrating a state after the cartridge is mounted inside the outer container. FIG. 3 is a perspective view showing the cartridge of the present invention. FIG. 4 is a side view of the cartridge as seen from the direction of the line AA in FIG. FIG. 5 is a plan view of the rear end side of the cartridge as viewed from above. FIG. 6 is a cross-sectional plan view of the cartridge. FIG. 7 is a cross-sectional view showing the outer container of the present invention. FIG. 8 is a view showing a state where the cartridge is inserted into the exterior container from the launch port. FIG. 9 is a view showing a state where the cartridge is mounted inside the outer container. FIG. 10 is a cross-sectional view illustrating an exterior container according to another embodiment of the present invention. FIG. 11 is a cross-sectional view showing the large cracker 100 of Patent Document 1. As shown in FIG. FIG. 12 is a perspective view showing a state before the cartridge is stored inside the outer cylinder in the large cracker 200 of Patent Document 2. FIG. FIG. 13 is a cross-sectional view showing a cracker 300 of Patent Document 3. As shown in FIG.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the drawings.
FIG. 1 is a perspective view showing a state of the large cracker according to the present invention before the cartridge is mounted inside the outer container, and FIG. 2 is a state after the cartridge is mounted inside the outer container. FIG. 3 is a perspective view showing the cartridge of the present invention, FIG. 4 is a side view of the cartridge as seen from the direction of line AA in FIG. 3, and FIG. FIG. 6 is a cross-sectional plan view of the cartridge. In the present specification, the rear end side of the cartridge 2 refers to the side on which the hook portion 24 is formed, and the front end side refers to the opposite side.

  As shown in FIG. 1, the large cracker 1 of the present invention includes a cartridge 2 and an outer container 4, and the cartridge 2 containing a plurality of small crackers is inserted from the launch port 44 of the outer container 4, By being mounted inside the container 4, it is assembled as shown in FIG. 2. As will be described later, the cartridge 2 is locked inside the outer container 4 by engaging the hook portion 24 of the cartridge 2 and the locking protrusion 46 of the outer container 4. Then, by pulling the pull string 30 associated with the pull strings of the plurality of small crackers, the plurality of small crackers accommodated in the cartridge 2 explode all at once, and the discharge material such as tape and confetti is discharged from the launch port 44 all at once. Is fired.

  As shown in FIG. 3, the cartridge 2 has a substantially cylindrical shape, and a main body portion 20 in which a plurality of small crackers are accommodated, and an axially projecting direction from the outer peripheral side of the main body portion 20. And two bottom hooks 24 and 24, and a bottom plate 26 formed so as to connect the tips of the two hooks 24 and 24 to each other. An opening 22 is formed on the front end side of the cartridge 2. In FIG. 3, in order to show the shape of the hook portion 24, it is shown in the opposite direction to the cartridge 2 shown in FIG.

  As shown in FIG. 4, the hook portion 24 includes a hook base end portion 24a projecting in the axial direction from the front end surface 20a of the cartridge body portion 20, and an outer peripheral direction from the tip end side of the hook base end portion 24a. That is, it is composed of a hook engaging portion 24b projecting in the right direction in FIG. In the two hook portions 24, 24, both hook engaging portions 24b protrude rightward in a front view. Even when the cartridge 2 is viewed from the opposite side of the line AA in FIG. It is visually recognized as shown in FIG.

  Further, when the rear end side of the cartridge 2, that is, the hook portion 24 is viewed from above, as shown in FIG. 5, the bottom plate 26 that connects the tips of the two hook portions 24, 24 and the notches 25, 25. And are visually recognized. Further, a string outlet hole 27 for leading the draw string 30 is formed at the center of the bottom plate 26.

  Further, as shown in FIG. 6, a plurality of small crackers 50, 50,... Are accommodated in the cartridge main body of the cartridge 2 in a state of being adhered to the cartridge 2 with an adhesive, an adhesive tape, or the like. . The plurality of small crackers 50, 50,... Have drawstrings (not shown), and each of these drawstrings is connected to one drawstring 30. Therefore, in use, a plurality of small crackers 50, 50,... Accommodated in the cartridge 2 are configured to explode simultaneously by pulling the pull string 30. Further, if the pull strings of the plurality of small crackers 50, 50,... Have different lengths, when the pull string 30 is pulled, the plurality of small crackers 50, 50,. It can also be configured to explode.

  As the material of the cartridge 2, various materials such as paper and synthetic resin can be used, and are not particularly limited. However, since the cartridge 2 is discarded after each use, it is preferable that the cartridge 2 is formed of paper such as cardboard or synthetic paper laminated with metal foil from an economical viewpoint.

  The shape of the hook portion 24 of the present invention is not limited to the shape shown in the embodiment, and the cartridge 2 is engaged with the engaging protrusion 46 of the outer container 4 so that the cartridge 2 is locked inside the outer container 4. What is necessary is just to be comprised so that it may be carried out. However, as in the present embodiment, the hook base 24 protrudes in the axial direction from the outer peripheral side of the cartridge main body 20, and the outer end of the hook base end 24a extends in the outer peripheral direction. Accordingly, the hook portion 24 can have a simple structure, and the cartridge 2 can be easily attached and detached as will be described later.

  Further, the number of the hook portions 24 of the present invention is not particularly limited, but the cartridge 2 can be stably locked inside the outer container 4 when the plurality of hook portions 24 are formed. preferable.

  In this embodiment, the tips of the two hook portions 24, 24 are connected to each other by the bottom plate 26. However, the large cracker 1 of the present invention is not limited to this, and the bottom plate 26 is formed on the cartridge 2. It does not have to be. However, when the tips of the two hook portions 24 and 24 are connected to each other by the bottom plate 26, the force is not concentrated on one hook portion 24, and the hook portion 24 is reinforced. Therefore, it is preferable.

  FIG. 7 is a cross-sectional view showing the outer container of the present invention. In this specification, the front end side of the exterior container 4 refers to the side on which the launch port 44 is formed, and the rear end side refers to the side on which the string outlet port 42 is formed.

  The outer container 4 is formed with a launch port 44 into which the cartridge 2 is inserted at the front end, and the rear end is a string guide through which the draw string 30 is led out when the cartridge 2 is mounted inside the outer container 4. An outlet 42 is formed.

  The diameter of the launch port 44 is slightly larger than the outer shape of the cartridge 2 so that the cartridge 2 can be inserted. In addition, the mouth portion 40a of the outer container 4 is formed to have substantially the same diameter as the launch port 44, and the engaging convex portion 46 is formed on the inner peripheral surface of the rear end side of the mouth portion 40a. As will be described later, the cartridge 2 can be locked in the opening 40a.

Further, the diameter of the string outlet 42 may be a diameter sufficient to allow the pull string 30 to be extracted when the cartridge 2 is mounted inside the outer container 4.
Next, a method for mounting the cartridge 2 in the exterior container 4 will be described in detail with reference to FIGS. 1, 8, and 9. Here, FIG. 1 is a perspective view showing a state before the cartridge is mounted in the exterior container. FIG. 8 is a view showing a state where the cartridge is inserted into the exterior container from the launch port, and FIG. 8A is a cross-sectional plan view when viewed from the rear end side of the cartridge 2, FIG. Is a cross-sectional view. 9 is a view showing a state in which the cartridge is mounted inside the outer container. FIG. 9A is a cross-sectional plan view when viewed from the rear end side of the cartridge 2, and FIG. 9B is a cross-sectional view. It is.

  When the cartridge 2 is mounted inside the outer container 4, as shown by the arrow in FIG. 1, the cartridge 2 is inserted from the rear end side, that is, the hook portion 24 first, from the launch port 44 of the outer container 4. Then, as shown in FIG. 8, the cartridge body 20 is inserted until the front end surface 20 a abuts against the locking projection 46 of the outer container 4. At this time, as shown in FIG. 8A, the notch portion 25 of the cartridge 2 is arranged so that the bottom plate 26 and the hook portion 24 of the cartridge 2 do not come into contact with the locking convex portion 46. The cartridge 2 is arranged in such a direction as to be positioned above, and the cartridge 2 is inserted. As shown in FIG. 1, if the marks 29 and 49 are formed on the outer peripheral surfaces of the cartridge 2 and the outer container 4, the cartridge 2 can be easily arranged using the marks 29 and 49 as a clue.

  Then, as shown in FIG. 9A, when the cartridge 2 is rotated in the direction of the arrow, as shown in FIG. 9B, the locking convex portion 46 becomes the hook engaging portion 24b and the cartridge main body portion. The engaging projection 46 and the hook portion 24 are engaged with each other by being sandwiched between the front end surface 20 a of the cartridge 20 and the cartridge 2 is thereby locked inside the outer container 4.

  Further, when the cartridge 2 attached to the outer container 4 is taken out, the cartridge 2 is rotated in the direction opposite to the arrow shown in FIG. 9A, and the engagement between the locking convex portion 46 and the hook portion 24 is released. By doing so, the cartridge 2 can be easily taken out.

  Thus, in the large-sized cracker 1 of the present invention, the locking projection 46 of the outer container 4 and the hook portion 24 of the cartridge 2 are engaged, and the cartridge 2 is locked inside the outer container 4. The cartridge 2 is unlikely to be detached from the outer container 4. For example, even if the launch port 44 is directed downward, the cartridge 2 is not detached.

  Further, since the cartridge 2 in which a plurality of small crackers 50 are accommodated can be detachably mounted inside the outer container 4, the cartridge 2 is taken out after use, and a new cartridge 2 is mounted again. The container 4 can be reused.

  The shape of the exterior container 4 of the present invention is not particularly limited as long as it is a shape that allows the cartridge 2 to be inserted from the launch port 44 and the cartridge 2 can be mounted inside the exterior container 4. A bottle-shaped thing can be used conveniently. Here, as shown in FIGS. 7 and 10, the bottle shape in the present specification includes a mouth portion 40a formed to have substantially the same diameter as the launch port 44, and a body portion having a diameter larger than that of the mouth portion 40a. Refers to the shape having 40b. At this time, as shown in FIG. 7, the shape of the body portion 40 b may be formed to have substantially the same diameter toward the rear end side after being expanded from the front end side. As described above, it may be formed such that the diameter is reduced from the front end side and then reduced toward the rear end side. Moreover, the cross-sectional shape of the trunk | drum 40b is not limited to circular shape, A rectangular shape may be sufficient.

  Thus, the large-sized cracker 1 rich in unexpectedness can be provided by making the exterior container 4 into a bottle shape. That is, for example, when used at a party such as a Christmas party or a wedding, a plurality of small crackers 50 inside the outer container 4 are exploded at the same time as if opening sparkling wine, Since discharges such as tape and confetti can be fired, it is possible to provide an effect that is sufficiently gorgeous and surprising.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to this, and various modifications can be made without departing from the object of the present invention.

DESCRIPTION OF SYMBOLS 1 Large cracker 2 Cartridge 4 Outer container 20 Main body part 20a Front end surface 22 Opening 24 Hook part 24a Hook base end part 24b Hook engaging part 25 Notch part 26 Bottom plate 27 String outlet hole 29 Mark 30 Pulling string 40a Mouth part 40b Body part 42 String outlet 44 Launch port 46 Locking convex portion 50 Small cracker 100 Large cracker 104 Outer cylinder 130 Pull string 142 String outlet 144 Launch port 150 Small cracker 200 Large cracker 202 Cartridge 204 Outer cylinder 242 String outlet 244 Launch port 250 Small cracker

Claims (5)

An outer container having a launch port at the front end and a string outlet at the rear end;
A cartridge containing a plurality of small crackers,
A large-scale cracker used by detachably mounting the cartridge inside the outer container,
A locking projection is formed on the inner peripheral surface of the outer container,
The cartridge is composed of a substantially cylindrical main body part and a hook part protruding in the axial direction from the outer peripheral side of the main body part,
When mounting the cartridge inside the outer container,
With the hook part first, the cartridge is inserted from the launch port, and the cartridge is rotated.
A large cracker characterized in that a latching convex portion of the outer container and a hook portion of the cartridge are engaged to latch the cartridge. The hook part is a hook base end part protruding in the axial direction from the outer peripheral side of the cartridge body part,
2. The large cracker according to claim 1, further comprising a hook engaging portion projecting from the distal end side of the hook base end portion toward the outer peripheral direction. A plurality of the hook portions are formed,
The large cracker according to claim 2, wherein tips of the plurality of hook portions are connected to each other by a bottom plate.   4. The large cracker according to claim 1, wherein the cartridge is made of paper.   The large-sized cracker according to any one of claims 1 to 4, wherein the outer container has a bottle shape, and a mouth portion thereof constitutes a launching port.

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