JP5984214B2 - Break-up spout - Google Patents

Description

  The present invention relates to a break-up spout closed by a break-up portion in which the tip of a flow path is integrally formed, and particularly to a break-up spout in which the spout body and the break-up portion are protected by a cover that covers the outer periphery of the spout body.

2. Description of the Related Art Conventionally, a break-up spout that includes a spout body that includes a tubular portion having a flow path that penetrates the center and has a flow passage closed by a break-away portion that is integrally formed at the distal end of the tubular portion.
Also, in order to avoid touching the spout body directly from the hygiene side, a cover is provided to cover the outer periphery of the cylindrical portion of the spout body, and the cover removal operation and the detachment operation are performed simultaneously. A break-out spout with improved user convenience is also known (see, for example, Patent Documents 1 and 2).
Moreover, a folding spout is also known which is easily formed and assembled by forming a cover integrally with the spout body (see, for example, Patent Document 3).

JP 2006-62752 A (all pages, all figures) JP 2009-46184 A (all pages, all figures) JP 2010-18319 A (all pages, all figures)

Since the cover (cap 12, cap 3) is a separate member from the spout body (mouth member 10, spout 2) in known break-out spouts as described in Patent Documents 1 and 2, the number of parts increases. However, as the number of man-hours for manufacturing and assembly increases, the cover (cap 12 and cap 3) is structured to be fitted and fixed in the break-off portion (thread cutting projection 18 and sealing member 15). When the cap 12 or the cap 3 is fitted, a force is applied to the threading protrusion 18 and the sealing member 15, and the weakened portion (thin portion 24, thin portion 16) may be damaged and the sealing performance may be impaired. There was a problem that there was.
Also, when an external force is applied to the cover (cap 12, cap 3) during transportation or storage, force is applied to the breaker (screw cutting projection 18, sealing member 15) and the weakened portion (thin portion 24). There is a problem that the thin-walled portion 16) may be damaged and the sealing performance may be impaired.

In the known break-out spout as described in Patent Document 3, the cover (lid member 20) is integrated with the spout body (spout member 10), and manufacturing and assembly are easy. Since the lid member 20) is integrally formed through the folding part (sealing member 3), a force is applied to the folding part (sealing member 3) when the cover (lid member 20) is assembled, and the weakening part ( There is a problem in that the sealing member 3 may be damaged and the sealing performance may be impaired.
In addition, since a part of the breaker (sealing member 3) is exposed outside the cover (lid member 20), an external force is directly applied to the breaker (sealing member 3) during transport or storage, and the weakened part There is a problem that the sealing performance may be impaired due to damage to the connection portion of the sealing member 3 and the cylindrical portion 4.
Further, when an external force is applied to the cover (lid member 20), a force is applied to the breaker portion (sealing member 3) via the hinge portion (connecting portion 5), and the weakened portion (sealing member 3 and cylinder portion still remains). 4), there is a problem that the sealing performance may be impaired due to damage.

  Therefore, the present invention solves the problem of the known break-up spout as described above, is easy to manufacture and assemble, and improves convenience for the user, while being assembled, transported, and stored. It is an object of the present invention to provide a break-up spout that prevents damage to the weakened part and sometimes impairs the sealing performance.

  The invention according to claim 1 includes a cylindrical portion having a flow path penetrating through the center and a break-up portion integrally formed from the tip of the tubular portion via a weakening portion, and the flow passage is used by the break-off portion. A spout body having a closed spout body and a cover that covers the outer periphery of the tubular portion of the spout body, and the cover is a pair formed in a state of being divided into left and right parts. Each of the cover members is formed integrally with the spout body via a hinge portion provided below the weakening portion, and the pair of cover members are engaged and fixed to each other. The above-mentioned problem is solved by being formed in a shape that covers the upper part of the spout body including the folding part when the cover is folded upward and fixed to form an integral cover. Is a thing

In the invention according to claim 2, in addition to the configuration of the break-out spout described in claim 1, either the outer peripheral surface of the cylindrical portion below the weakened portion of the spout body or the inner peripheral surface of the cover member Or a spout body on the spout body side of the cover member is provided with a protrusive projection that comes into contact with or close to the cover member when the cover member is folded upward and engaged with each other, and the cover member is fixed to each other and integrated with the cover When the structure is formed, the above-described problem is solved by being formed in a shape that does not come into contact with the break-off portion.
In the invention according to claim 3, in addition to the configuration of the folding spout described in claim 1 or 2, the hinge portion is a connecting portion capable of cutting and separating the spout body and the cover member. The present invention solves the above problems.
In the invention according to claim 4, in addition to the configuration of the break-up spout according to any one of claims 1 to 3, the break-off portion of the spout body is in a direction orthogonal to the flow path. A pair of operating arms extending, and an inner surface of the cover member is provided with a housing recess for receiving the pair of operating arms when the cover members are fixed to each other to form an integral cover; The problem is solved.

According to the fifth aspect of the present invention, in addition to the configuration of the break-out spout described in the fourth aspect, the operating recess is configured such that the operation arm is configured so that the cover member is fixed to each other to form an integral cover. The above-mentioned problems are solved by forming the spout body with a gap in the outer circumferential direction and in the vertical direction.
In the invention according to claim 6, in addition to the configuration of the break-up spout described in any one of claims 1 to 5, the spout main body is attached to a cylindrical portion having the flow path and a container. It has an attachment portion and a flange portion provided in the vicinity of the upper portion of the attachment portion, and the hinge portion is provided in the flange portion, thereby solving the problem.

According to the breakaway spout of the invention according to claim 1, since the pair of cover members are formed integrally with the spout body via the hinge portion provided below the weakened portion, the cover member is bent upward during assembly. Thus, when engaging with each other, no force is applied to the folding part or the weakened part, the weakened part is prevented from being damaged, and the sealing performance is not impaired.
In addition, when the cover member is bent upward and fixed to each other to form an integral cover, the cover member is formed in a shape that covers the upper part from the hinge part including the folding part of the spout body, so that it can be transported and stored. Further, no direct force is applied to the breaker part or the weakened part from the outside, and the weakened part can be prevented from being damaged by an unintended external force.

According to the configuration of the second aspect of the present invention, the proximity protruding portion that is in contact with or close to the outer peripheral surface of the cylindrical portion below the weakened portion of the spout body and / or the inner peripheral surface of the cover member is provided. As a result, the pair of cover members that are fixed to each other to form an integral cover are fixed to the spout body, or move only slightly, and the break-up portion and the weakened portion are in contact with the cover member. It can be in a state that does not.
As a result, even if an external force is applied to the cover member during transportation or storage, the force is not transmitted to the breaker portion or the weakened portion, and the weakened portion can be reliably prevented from being damaged by an unintended external force. .
According to the configuration of the third aspect of the present invention, the spout body and the cover member are connected by a detachable connecting portion, so that the cover member can be easily removed by breaking the connecting portion during use. As a result, convenience is improved.
Moreover, this can reduce the opportunity for the user's fingers to touch the spout body, and it can be used in a sanitary manner.
According to the configuration of the fourth aspect of the invention, when the breaker portion has the operating arm extending in the direction orthogonal to the flow path, the breaker portion is twisted and the weakened portion is broken and separated at the time of use. Therefore, it is possible to apply a large force, and it is possible to easily cut off the breaker portion, thereby improving convenience.
In addition, since the housing recess is provided on the inner surface of the cover member to accommodate the operation arm, when the cover member is fixed to each other to form an integral cover, it can be brought into contact with the operation arm. Even if an external force is applied to the cover member during transportation or storage, the force is not transmitted to the breaker portion or the weakened portion, and the weakened portion can be reliably prevented from being damaged by an unintended external force.

According to the configuration described in claim 5, the operation arm housed in the housing recess of the cover member is simultaneously twisted by the operation of removing the cover member during use, so that the breaker can be easily separated. , Improve convenience.
Moreover, this can further reduce the opportunity for the user's fingers to touch the spout body, and it can be used in a sanitary manner.
Furthermore, since the cut-off part is not separated from the cover member while the operating arm is housed in the housing recess, disposal of the cover member and the breaker part that is no longer necessary is facilitated.
According to the configuration of the sixth aspect of the present invention, since the entire cylindrical portion above the flange portion of the spout body is fixed to each other and covered with the cover member that constitutes an integral cover, the entire cylindrical portion is transported or stored. It becomes possible to protect, and the malfunction at the time of use by the damage of the outer peripheral part of a cylinder part can be prevented.
In addition, the degree of freedom in setting the radial distance from the flow path center of the spout body to the hinge portion is high, and the cover member can be functionally optimally shaped.

The front view before the assembly of the folding spout which is one Embodiment of this invention. The top view before the assembly of the folding spout which is one Embodiment of this invention. The bottom view before the assembly of the breaking spout which is one Embodiment of this invention. The perspective view after the assembly of the break-up spout which is one Embodiment of this invention. The top view after the assembly of the break-up spout which is one Embodiment of this invention. The side half sectional view after the assembly of the break-up spout which is one Embodiment of this invention. The front half sectional view after the assembly of the break-up spout which is one Embodiment of this invention. AA sectional drawing of FIG. Side surface sectional drawing after cut-off part cutting | disconnection of the break-up spout which is one Embodiment of this invention.

  The present invention includes a cylindrical portion having a flow path penetrating the center and a break-up portion integrally formed from the tip of the tubular portion via a weakening portion, and the tip of the flow path is closed by the break-off portion. The spout body includes a spout main body and a cover that covers the outer periphery of the cylindrical portion of the spout body, and the cover includes a pair of cover members formed in a state of being divided into left and right sides, Each is formed integrally with the spout body via a hinge portion provided below the weakening portion, and a pair of cover members are provided with engaging portions that are engaged and fixed to each other, and are bent upward and fixed to each other. When the integrated cover is constructed, it is formed in a shape that covers the upper part of the hinge part including the break-up part of the spout body, and is easy to manufacture and assemble, and improves the convenience for the user while assembling. Weakened during transport, storage and storage If There intended to prevent the sealability damaged is impaired, specific shape, structure, material, etc., it may be any.

Below, the structure of the break-up spout 100 which is one Embodiment of this invention is demonstrated based on drawing.
As shown in FIGS. 1 to 3 (state before assembly) and FIGS. 4 to 8 (state after assembly), the break-out spout 100 according to one embodiment of the present invention includes a spout body 110 and the spout body. 110 and a pair of left and right cover members 160 connected by a connecting portion 171 serving as a hinge portion, and are formed integrally by injection molding or the like in the shape before assembly shown in FIGS. 1 to 3.
The spout body 110 includes a cylindrical part 120, a breaker part 150 integrally formed from the tip of the cylindrical part 120 via a weakening part 121, an attachment part 130 attached to a container such as a pouch, and the like. The spout body 110 is provided with a flange portion 140 provided in the vicinity of the upper portion, a flow path 111 is provided at the center of the spout body 110, and the tip of the flow path 111 is closed by the breaker 150.

The folding part 150 includes a pair of operating arms 151 extending in a direction orthogonal to the flow path 111 and in a direction orthogonal to the pair of left and right cover members 160 (front and back direction in FIG. 1 and vertical direction in FIGS. 2 and 3). The weakened portion 121 is broken by twisting the operating arm 151, the breaker portion 150 is separated from the cylindrical portion 120, and the tip of the flow path 111 is opened.
On the outer peripheral surface of the cylindrical portion 120, a screw portion 122 for connecting with a mounting member such as a tube in use is provided, and a ring-shaped protrusion 123 for preventing the tube or the like from sticking or coming off according to the purpose of use. Is appropriately formed.

The pair of left and right cover members 160 are integrally formed via two connecting portions 171 provided on the flange portion 140 of the spout body 110, respectively.
As will be described later, the connecting portion 171 functions as a hinge portion during assembly and is broken during use to separate the cover member 160 from the spout body 110.
Each cover member 160 is provided with an engaging portion 161 that is fixed to each other at the time of assembly to form an integral cover.

As shown in FIGS. 4 to 8, each cover member 160 covers the cylindrical part 120 and the breaker part 150 above the connection part 171 of the spout body 110 when they are fixed to each other to form an integral cover. It is formed into a shape.
Further, the inner peripheral surface of the cover member 160 is formed in a shape having a stepped portion 162 as a proximity projecting portion.
When the stepped portions 162 are fixed to each other to form an integral cover, the cover member 160 is fixed to the spout body 110 by contacting or coming close to the outer peripheral surface of the cylindrical portion 120, or very little. It does not move and does not come into contact with the breaker 150 at all.
In the present embodiment, the screw portion 122 provided on the outer peripheral surface of the cylindrical portion 120 is also close to the inner peripheral surface of each cover member 160 and functions as a proximity protruding portion.

  Further, as shown in FIGS. 6 and 8, each cover member 160 is provided with an accommodation recess 163 that accommodates the operation arm 151 of the breaker 150, and the accommodation recess 163 is fixed to each other. When an integral cover is configured, the operating arm 151 is formed in a shape surrounding the spout body 110 with a gap in the outer circumferential direction and the vertical direction of the spout body 110.

Next, the operation / action of the break-up spout 100 according to one embodiment of the present invention will be described.
As shown in FIGS. 1 to 3, the break-up spout 100 is manufactured by injection molding or the like with a pair of left and right cover members 160 extending horizontally in the left-right direction.
From this state, the pair of left and right cover members 160 are bent upward by bending the connecting portion 171 as a hinge portion, and the opposing engaging portions 161 are engaged with each other and fixed to form an integral cover. Assembled into.

Since the connecting portion 171 is bent after assembly, as shown in FIGS. 4 to 7, the pair of left and right cover members 160 that are engaged with each other and fixed to form an integrated cover are folded on the spout body 110. It will be in the state which covers the upper part from the connection part 171 containing the taking part 150. FIG.
At this time, as shown in FIGS. 6 to 8, the cylindrical portion 120 and the folding portion 150 of the spout body 110 are spaced from the inner peripheral surface of the cover member 160 except for the step portion 162 and the screw portion 122. It will be in the state with.
In addition, the operation arm 151 of the breaker 150 is also surrounded by the housing recess 163 of the cover member 160 with predetermined gaps in the outer circumferential direction and the vertical direction.

  Therefore, when the pair of left and right cover members 160 are bent upward during the assembling operation, even if either one of the cover members 160 is greatly bent, the stepped portion 162 on the inner peripheral surface of the cover member 160 that is the proximity projecting portion and By providing the screw portion 122 on the outer peripheral surface of the cylindrical portion 120, the fold portion 150 is not contacted, no force is applied to the fold portion 150 and the weakened portion 121, and the weakened portion 121 is damaged. Is prevented, and the sealing performance is not impaired.

  Further, even when an unintended external force is applied to the cover member 160 during transport or storage after assembly, the pair of cover members 160 that are fixed to each other to form an integral cover are fixed to the spout body 110, or Since it moves very little, the folding part 150 and the weakening part 121 do not contact the cover member 160, the weakening part 121 is prevented from being damaged, and the sealing performance is not impaired.

  At the time of use of the break-up spout 100 assembled in this way, the connecting portion 171 breaks by twisting the pair of cover members 160 that are fixed to each other to form an integral cover, and the cover member 160 is broken. The operating arm 151 of the breaker 150 surrounded by the receiving recess 163 receives a force in the twisted direction, and the breaker 150 is twisted and the weakened part 121 is also broken.

And as shown in FIG. 8, the cylindrical part 120 which the front-end | tip of the flow path 111 open | released is exposed by removing a pair of cover member 160 which was mutually fixed and comprised the integral cover from upper direction, and can be used. It becomes.
At this time, since the operating arm 151 of the folding unit 150 is surrounded by the housing recess 163 of the cover member 160 in the outer circumferential direction and the vertical direction, the folding unit 150 is fixed to each other to form an integral cover. Since the pair of cover members 160 are not separated from each other, they can be easily removed, and the disposal of the cover member 160 and the breaker unit 150 that are no longer necessary is facilitated.
In addition, during the series of operations of breaking the breaker 150 and removing the cover member 160 and the broken breaker 150, the user's fingers do not touch the cylindrical part 120 of the spout body 110, and the front end of the channel 111. It is possible to expose the cylindrical portion 120 opened so that it can be used and to use it hygienically.

The break-out spout of the present invention is suitable as a pouch spout, but can also be used for containers other than the pouch, and a structure similar to the present invention may be applied to a container mouth other than the spout.
In the above embodiment, the connecting portion 171 is provided at two places on the left and right, but may be one place or three or more places.
Moreover, although the connection part 171 was provided in the flange part 140, as long as it can cover the required location above the cylinder part 120 including the breaker part 150, you may provide in the arbitrary parts of the cylinder part 120.

In addition, each of the cover members 160 is fixed to each other at the time of assembly, and four engagement portions 161 are provided for constituting an integral cover. However, this number is not limited, and the specific engagement structure is also provided. A known appropriate structure can be adopted.
The engaging portion 161 of the above embodiment is assumed to be used and discarded without releasing the engagement after the pair of cover members 160 are once engaged. Therefore, a configuration for releasing the engagement is unnecessary. However, when a usage method in which the pair of cover members 160 is separated later is assumed, a configuration for releasing the engagement may be added to the engagement portion 161.

For example, during use, the engagement portion 161 of the cover member 160 is temporarily disengaged, and only the breaker portion 150 is separated to expose the cylindrical portion 120 where the end of the flow path 111 is open to be usable. It can be considered that the use is temporarily stopped and the engaging portion 161 of the cover member 160 is engaged again to be used as a cover.
When such use is assumed, the connecting portion 171 may be a hinge portion that is not broken, and the operation arm 151 of the breaker portion 150 is surrounded by the housing recess 163 of the cover member 160 in the outer circumferential direction and the vertical direction, respectively. The structure which is required is also unnecessary.

Further, although the stepped portion 162 on the inner peripheral surface of the cover member 160 and the screw portion 122 provided on the outer peripheral surface of the cylindrical portion 120 are the proximity projecting portions, the outer peripheral surface of the cylindrical portion 120 or the inner periphery of the cover member 160 is used. Simple protrusions or rib-like protrusion walls may be provided on the surface or both.If there is a low possibility of damage during storage and transportation from assembly to use, the proximity protrusion itself may be used. It may be omitted.
As described above, the break-up spout of the present invention is not limited to this embodiment, and various configurations can be employed.

DESCRIPTION OF SYMBOLS 100 ... Broken spout 110 ... Spout main body 111 ... Channel 120 ... Tube part 121 ... Weakening part 122 ... Screw part 130 ... Mounting part 140 ... Flange part 150 ... Folding part 151 ... Operating arm 160 ... Cover member 161 ... Engagement part 162 ... Step part (proximity protruding part)
163 ・ ・ ・ Accommodating recess 171 ・ ・ ・ Connecting part (hinge part)

Claims (6)

A spout body having a cylindrical portion having a flow path penetrating the center and a break-up portion integrally formed from the tip of the cylindrical portion via a weakening portion, the tip of the flow path being closed by the break-off portion; A break-out spout provided with a cover that covers the outer periphery of the tip side of the cylindrical portion of the spout body,
The cover is composed of a pair of cover members formed in a state of being divided into left and right, each formed integrally with the spout body via a hinge part provided below the weakening part,
The pair of cover members includes an engaging portion that is engaged and fixed to each other, and when the cover member is bent upward and fixed to form an integral cover, the hinge includes the break-up portion of the spout body. A break-out spout characterized by being formed in a shape that covers an upper part than the portion. Proximal protrusions that are in contact with or close to either the outer peripheral surface of the cylindrical portion below the weakened portion of the spout body or the inner peripheral surface of the cover member, or both, are provided.
The break-up spout according to claim 1, wherein the cover member is formed in a shape that does not come into contact with the break-off portion when the cover members are fixed to each other to form an integral cover.   The folding spout according to claim 1 or 2, wherein the hinge portion is a connecting portion capable of cutting and separating the spout body and the cover member. The folding part of the spout body has a pair of operating arms extending in a direction perpendicular to the flow path;
4. An accommodation recess for accommodating the pair of operating arms when the cover members are fixed to each other to form an integral cover on the inner surface of the cover member. The break-out spout according to any one of the above.   The housing recess is formed in a shape that surrounds the spout body with respect to the outer periphery and the vertical direction of the operating arm with a gap when the cover members are fixed to each other to form an integral cover. The break-up spout according to claim 4. The spout body consists of a cylindrical part having the flow path, an attachment part attached to the container, and a flange part provided near the upper part of the attachment part,
The folding spout according to any one of claims 1 to 5, wherein the hinge portion is provided on the flange portion.

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