JP2008295592A - Connector - Google Patents

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JP2008295592A
JP2008295592A JP2007142449A JP2007142449A JP2008295592A JP 2008295592 A JP2008295592 A JP 2008295592A JP 2007142449 A JP2007142449 A JP 2007142449A JP 2007142449 A JP2007142449 A JP 2007142449A JP 2008295592 A JP2008295592 A JP 2008295592A
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connector
container mouth
container
degrees
thread
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JP4934504B2 (en
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Yoichi Tsujiguchi
洋一 辻口
Shinji Ooka
新治 大岡
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Nippon Closures Co Ltd
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Japan Crown Cork Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector allowing anyone to easily wind and tighten the connector to a container mouth by rotating the connector less than one round without changing the holding position. <P>SOLUTION: The connector 1 is screwed to the container mouth 30 with a screw thread 31 formed on the outer surface. The connector 1 has a through-hole 6 communicating with the internal space of the container mouth while the connector is screwed to the container mouth 30. A screw thread 7 is formed on the inner wall of the connector 1 at the angle of 360 degrees or larger, and the screw thread 7 of the connector 1 and the screw thread 31 of the container mouth 30 are engaged with each other in the range of angles from 180 to 270 degrees while the connector 1 is wound and tightened to the container mouth 30. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、容器口部に螺子締結され、容器内容物の取り出しに使用されるコネクタに関するものである。   The present invention relates to a connector that is screwed to a container mouth and is used to take out the contents of a container.

従来、各種医薬が充填されたバッグなどの容器は、その口部に螺子締結されたキャップを取り外し、該口部に中空筒状形状のコネクタを接続し、このコネクタに点滴用のチューブを接続し、容器内の医薬を投与するという手段が採用されている。   Conventionally, a container such as a bag filled with various medicines has a cap that is screwed to the mouth, a hollow cylindrical connector connected to the mouth, and a drip tube connected to the connector. The means of administering the medicine in the container is employed.

このようなコネクタは、一般に、容器口部に巻き締めて螺子締結されるものであり、例えば特許文献１には、内壁面に容器口部の外面に形成されている螺条と係合するネジ山を備えたコネクタが開示されている。
特開２００６−４２８５６号 Such a connector is generally screwed around a container mouth and screwed. For example, Patent Document 1 discloses a screw that engages with a thread formed on an outer surface of a container mouth on an inner wall surface. A connector with a mountain is disclosed.
JP 2006-42856

ところで、上記のような公知のコネクタは、これを容器口部に３６０度以上回転させて巻き締めて固定している。従って、１回の回転で巻き締め固定することができず、途中でコネクタを持ち変えてコネクタを回転させなければならないという煩わしさがあった。   By the way, the known connector as described above is fixed by rotating and rotating it around the container mouth by 360 degrees or more. Accordingly, it is impossible to tighten and fix by one rotation, and there is an inconvenience that the connector needs to be changed in the middle to rotate the connector.

従って、本発明の目的は、持ち変えることなく、誰でも１周未満の回転で容易に容器口部に巻き締め固定することが可能なコネクタを提供することにある。   Therefore, an object of the present invention is to provide a connector that can be easily wound and fixed to a container mouth by any rotation less than one turn without changing.

本発明によれば、外面に螺条が形成された容器口部に螺子締結され且つ該容器口部に螺子締結された状態で容器口部内空間と連通する貫通口を供えたコネクタにおいて、
該コネクタの内面壁には、螺条が３６０度以上にわたって形成されており、該コネクタの螺条よりも上側部分には、該コネクタが容器口部に巻き締められたときに容器口部の上端に当接する当接部が形成されており、
該コネクタを容器口部に巻き締めたとき、容器口部の上端が前記当接部に当接することによって画定される巻き締め状態において、該コネクタの螺条と容器口部の螺条とは、１８０度乃至２７０度にわたって互いに係合していることを特徴とするコネクタが提供される。 According to the present invention, in the connector provided with a through-hole that is screwed to the container mouth part formed with a thread on the outer surface and communicated with the inner space of the container mouth part in a state of being screw-fastened to the container mouth part,
On the inner wall of the connector, a thread is formed over 360 degrees, and the upper part of the connector is threaded on the upper end of the container mouth when the connector is wound around the container mouth. A contact portion is formed to contact the
When the connector is wound around the container mouth portion, in a tightened state defined by the upper end of the container mouth portion coming into contact with the contact portion, the screw thread of the connector and the screw thread of the container mouth portion are: A connector is provided that is engaged with each other between 180 degrees and 270 degrees.

本発明においては、前記コネクタの内面壁には、該コネクタの螺条の上端と前記当接部との間の位置に高さ方向に延びているリブが形成されていることが好ましい。   In the present invention, it is preferable that a rib extending in the height direction is formed on the inner wall of the connector at a position between the upper end of the screw thread of the connector and the contact portion.

本発明のコネクタは、医薬等の内容物が充填された容器の口部に被せて、これを巻き締めて容器口部の外面に螺子係合させることにより固定されるが、このような巻き締めは、１周（３６０度）以上にわたって回転させる必要はなく、半周（１８０度）乃至３／４周（２７０度）の回転でよい。従って、容器口部にコネクタを巻き締めて固定する際に、誰でもコネクタを持ち変えることなく、容易に容器口部に固定することができる。   The connector of the present invention is fixed by covering the mouth portion of a container filled with contents such as pharmaceuticals and winding it and screwing it to the outer surface of the container mouth portion. , It is not necessary to rotate over one turn (360 degrees) or more, and it may be a half turn (180 degrees) to a 3/4 turn (270 degrees). Therefore, when the connector is wound and fixed on the container mouth portion, anyone can easily fix the connector to the container mouth portion without changing the connector.

また、本発明においては、コネクタの内面壁に、該コネクタの螺条の上端と前記当接部との間の位置に高さ方向に延びているリブを設けることにより、容器口部に螺子固定されたコネクタのガタツキを防止して、容器口部に安定に保持することができる。   In the present invention, the inner wall of the connector is provided with a rib extending in the height direction at a position between the upper end of the screw thread of the connector and the contact portion, thereby fixing the screw to the container mouth. It is possible to prevent the connector from rattling and prevent it from being stably held in the container mouth.

本発明を、以下、本発明を添付図面に基づいて詳細に説明する。
図１は、本発明のコネクタの側断面図であり、
図２は、図１のコネクタを容器口部に巻き締めた状態を示す側断面図であり、
図３は、従来公知のコネクタを容器口部に巻き締めた状態での螺子係合状態を説明するための展開図であり、
図４は、図１の本発明のコネクタを容器口部に巻き締めた状態での螺子係合状態を説明するための展開図であり、
図５は、本発明において好適なコネクタを容器口部に巻き締めた状態を示す要部側断面図である。 The present invention will be described below in detail with reference to the accompanying drawings.
FIG. 1 is a side sectional view of the connector of the present invention,
FIG. 2 is a side sectional view showing a state where the connector of FIG. 1 is wound around the container mouth,
FIG. 3 is a developed view for explaining a screw engagement state in a state where a conventionally known connector is wound around a container mouth portion,
FIG. 4 is a development view for explaining a screw engagement state in a state where the connector of the present invention of FIG.
FIG. 5 is a cross-sectional side view of the main part showing a state in which a connector suitable for the present invention is wound around the container mouth.

図１を参照して、全体として１で示す本発明のコネクタは、全体的に中空筒状の形態を有しているものであり、その下方部分に形成されている基筒３と基筒３の上端に一体に連なっている連結筒５とからなっており、基筒３から連結筒５にわたって貫通口６が形成されている。   Referring to FIG. 1, the connector of the present invention generally indicated by 1 has a hollow cylindrical shape as a whole, and a base cylinder 3 and a base cylinder 3 formed in the lower part thereof. And a through-hole 6 is formed from the base tube 3 to the connecting tube 5.

基筒３は、その内部に後述する容器口部３０が挿入されて巻き締め固定される部分であり、その内壁面には、螺条７が形成され、その外面には、巻き締めに際しての滑り止め防止用のローレット９が形成されている。   The base tube 3 is a portion in which a container mouth portion 30 to be described later is inserted and fixed by tightening, and a screw thread 7 is formed on the inner wall surface, and the outer surface is slipped at the time of tightening. A knurling 9 for preventing the stop is formed.

連結筒５は、ホース乃至チューブ等の部材が接続される部分であり、上部にいくにしたがって小径となっているテーパー形状を有しており、その外面には、ホース乃至チューブを接続したときの抜けを防止するための周方向に延びる突起１１が軸方向に複数個設けられている。   The connecting cylinder 5 is a portion to which a member such as a hose or a tube is connected, and has a tapered shape having a smaller diameter toward the top, and the outer surface of the connecting tube 5 when the hose or tube is connected. A plurality of protrusions 11 extending in the circumferential direction for preventing disconnection are provided in the axial direction.

上記のコネクタ１の内壁には、基筒３と連結筒５との境界部分に段差部１３が形成されている。この段差部１３は、コネクタ１を容器口部に巻き締めたときに容器口部３０の上端との当接部となる部分であり、連結筒５の内面から段差部１３よりも下方に延びたリング１５が設けられており、コネクタ１を巻き締めたときに、このリング１５の外周面が容器口部３０内周面に当接し、段差部１３は容器口部３０の上端に当接することとなり、これにより、コネクタ１の巻き締め状態が安定に保持され容器口部３０とコネクタ１とのシール性が確保されることとなる。   On the inner wall of the connector 1, a step portion 13 is formed at the boundary portion between the base tube 3 and the connecting tube 5. The step portion 13 is a portion that becomes a contact portion with the upper end of the container mouth portion 30 when the connector 1 is wound around the container mouth portion, and extends below the step portion 13 from the inner surface of the connecting cylinder 5. A ring 15 is provided, and when the connector 1 is tightened, the outer peripheral surface of the ring 15 comes into contact with the inner peripheral surface of the container mouth portion 30, and the step portion 13 comes into contact with the upper end of the container mouth portion 30. As a result, the tightened state of the connector 1 is stably maintained, and the sealing performance between the container mouth portion 30 and the connector 1 is ensured.

また、図２を参照して、容器口部３０は、ボトルのように容器と一体に形成されるものであったり、或いは袋状容器の開口部にヒートシールなどにより接着固定されるスパウトと呼ばれるものであり、その外面には、少なくとも１８０度以上にわたって延びている螺条３１が形成されており、螺条３１の下方には、この容器口部３０に装着されるキャップに設けられたタンパーエビデントバンドを切り離すためのラチェット３３や容器の搬送等に用いるサポートリング３５などが設けられている。   In addition, referring to FIG. 2, the container mouth part 30 is formed integrally with the container like a bottle, or is called a spout that is bonded and fixed to the opening of the bag-like container by heat sealing or the like. A thread 31 extending at least 180 degrees is formed on the outer surface of the thread 31. A tamper shrimp provided on a cap attached to the container mouth portion 30 is provided below the thread 31. A ratchet 33 for separating the dent band, a support ring 35 used for transporting the container, and the like are provided.

かかる容器口部３０には、図示されていないが、螺条３１との螺子係合によりキャップが巻き締め固定され、これにより、容器内が密封されるようになっている。従って、コネクタ１は、キャップを取り外した後に、その基筒１に容器口部３０に被せ、閉栓方向に回転させて螺条３１にコネクタ１の螺条７を螺子係合せしめることにより、容器口部１に巻き締められることとなる。この巻き締め状態においては、前述したように、リング１５の外周面が容器口部３０内周面に当接し、容器口部３０の上端が段差部１３に当接することとなる。   Although not shown in the figure, the cap is wound and fixed by screw engagement with the screw 31 so that the inside of the container is sealed. Therefore, after removing the cap, the connector 1 is placed on the container opening 30 on the base tube 1 and rotated in the closing direction so that the thread 31 of the connector 1 is threadedly engaged with the thread 31. It will be wound around part 1. In the tightened state, as described above, the outer peripheral surface of the ring 15 comes into contact with the inner peripheral surface of the container mouth portion 30, and the upper end of the container mouth portion 30 comes into contact with the step portion 13.

即ち、一般に、図２に示すような巻き締め状態で、コネクタ１の連結筒５にホースやチューブ等の部材を接続し、容器口部３０の開口からコネクタ１の貫通口６を介して医薬等の容器内容物が排出され、接続されたホースやチューブから例えば患者に医薬等の内容物が投与されるわけである。   That is, in general, a member such as a hose or a tube is connected to the connecting tube 5 of the connector 1 in a tightened state as shown in FIG. The container contents are discharged and the contents such as medicine are administered to the patient from the connected hose or tube.

本発明においては、コネクタ１の螺条７が３６０度以上にわたって形成されているが、図２の巻き締め状態において、コネクタ１の螺条７と容器口部３０の螺条３１とが１８０度乃至２７０度にわたって互いに係合していることが重要であり、このような角度幅で螺条７と螺条３１とが係合するように、螺条７の下端位置が設定されている。   In the present invention, the screw 7 of the connector 1 is formed over 360 degrees or more. However, in the winding state of FIG. It is important to engage with each other over 270 degrees, and the lower end position of the screw 7 is set so that the screw 7 and the screw 31 are engaged with such an angular width.

図３は、従来公知のコネクタを容器口部３０に巻き締めた状態での螺子係合状態を示す展開図であるが、図３から理解されるように、容器口部３０の上端が段差部１３に当接している巻き締め状態では、コネクタ１の螺条７は、３６０度以上にわたって容器口部３０の螺条３１と係合しており、螺条７の全体が螺条３１の下側に入り込んだ状態となっている。このような螺子係合状態は、キャップと容器口部３０との螺子係合状態と全く同様であり、これにより、十分な螺子係合幅を確保し、良好なシール性を確保しているわけである。   FIG. 3 is a developed view showing a screw engagement state in a state where a conventionally known connector is wound around the container mouth portion 30. As can be understood from FIG. 3, the upper end of the container mouth portion 30 is a stepped portion. 13, the thread 7 of the connector 1 is engaged with the thread 31 of the container opening 30 over 360 degrees, and the entire thread 7 is below the thread 31. It is in a state of getting in. Such a screw engagement state is exactly the same as the screw engagement state between the cap and the container mouth portion 30, thereby ensuring a sufficient screw engagement width and ensuring a good sealing property. It is.

しかしながら、上記のような螺子係合状態とするためには、少なくとも１周にわたってコネクタ１を回転させなければならず、従って、人によっては、コネクタ１を巻き締める際に、コネクタ１を持ち変えなければならないという煩わしさがある。   However, in order to achieve the above-described screw engagement state, the connector 1 must be rotated over at least one round. Therefore, some people must change the connector 1 when tightening the connector 1. There is annoyance that must be.

これに対して、本発明では、巻き締め状態において、コネクタ１の螺条７と容器口部３０の螺条３１との係合幅が１８０度乃至２７０度の範囲に設定されているため、上記のような煩わしさはない。例えば図４には、係合幅を１８０度に設定した場合について、螺条７の１８０度分が螺条３１の下側に位置し、残りの部分が螺条３１の上側に位置した状態に保持されている。即ち、このような巻き締め状態とするためには、コネクタ１を半回転すればよく（係合幅を２７０度に設定した場合には、３／４回転させればよい）、従って、巻き締めの途中でコネクタ１を持ち変える必要はなく、誰でも容易に、巻き締めを行なうことが可能となるものである。   On the other hand, in the present invention, in the tightened state, the engagement width between the screw 7 of the connector 1 and the screw 31 of the container mouth 30 is set in a range of 180 degrees to 270 degrees. There is no such annoyance. For example, in FIG. 4, when the engagement width is set to 180 degrees, 180 degrees of the thread 7 are located below the thread 31 and the remaining part is located above the thread 31. Is retained. That is, in order to achieve such a tightening state, the connector 1 may be rotated half a half (if the engagement width is set to 270 degrees, it may be rotated by 3/4). There is no need to change the connector 1 in the middle of this, and anyone can easily perform the tightening.

尚、本発明においては、螺子係合幅が３６０度未満（１８０度乃至２７０度）に設定されているため、螺子係合の観点からは、螺条７の長さを３６０度未満に設定することは可能である。しかしながら、この場合には、コネクタ１を成形する際、成形後の型抜き時において、コネクタ１の内面に螺条７が形成されていない部分が存在するため、型抜きによって発生する応力が不均等になり、この結果、コネクタ１自体が変形してしまうという不都合を生じることがある。このような成形時の不都合を防止するため、螺条７は、３６０度以上の長さとすべきである。   In the present invention, since the screw engagement width is set to less than 360 degrees (180 degrees to 270 degrees), the length of the thread 7 is set to less than 360 degrees from the viewpoint of screw engagement. It is possible. However, in this case, when the connector 1 is molded, there is a portion where the thread 7 is not formed on the inner surface of the connector 1 at the time of mold release after molding, so that the stress generated by the mold release is uneven. As a result, the connector 1 itself may be deformed. In order to prevent such inconvenience at the time of molding, the thread 7 should have a length of 360 degrees or more.

また、本発明においては、従来公知のコネクタと比較すると螺子係合幅が短くなっているが、コネクタ１は、容器内容物を密封保存するために使用されるものではないため、螺子係合幅が短いことによるシール性低下に関する問題は全くない。   In the present invention, the screw engagement width is shorter than that of a conventionally known connector. However, since the connector 1 is not used for hermetically storing the container contents, the screw engagement width. There is no problem regarding the deterioration of the sealing performance due to the short length.

さらに、本発明のコネクタ１において、螺子係合幅が短いためにコネクタ１を容器口部３０に巻き締めたときにガタツキなどの問題が生じるような場合には、図５の好適例に示すように、コネクタ１の基筒３の内面壁にリブ２０を設けるのがよい。このリブ２０は、容器口部３０との当接部となる段差部１３と螺条７の上端との間の位置に設けられ、且つ高さ方向に延びているものであり、巻き締めたときに、容器口部３０の内面に接触乃至近接するように設けられている。このようなリブ２０を基筒３の内面壁の全周にわたって均等に配置しておくことにより、巻き締められたコネクタ１が傾むこうとすると、リブ２０によって矯正され、正常な状態に維持され、コネクタ１のガタツキ等を確実に防止することができ、容器口部３０に安定に保持することが可能となる。   Furthermore, in the connector 1 of the present invention, when a problem such as rattling occurs when the connector 1 is wound around the container opening 30 because the screw engagement width is short, as shown in the preferred example of FIG. In addition, the rib 20 may be provided on the inner wall of the base tube 3 of the connector 1. The rib 20 is provided at a position between the step portion 13 serving as a contact portion with the container mouth portion 30 and the upper end of the screw 7 and extends in the height direction. The container mouth portion 30 is provided so as to be in contact with or close to the inner surface of the container mouth portion 30. By arranging such ribs 20 evenly over the entire circumference of the inner wall of the base tube 3, if the wound connector 1 is inclined, it is corrected by the ribs 20 and maintained in a normal state. Further, rattling of the connector 1 can be reliably prevented, and the container mouth portion 30 can be stably held.

上述した本発明のコネクタ１は、ポリエチレン、ポリプロピレンに代表される各種熱可塑性プラスチックを用いての射出成形等の公知の手段によって容易に成形され、例えば各種医薬が充填された医療用包装バッグなどの容器の口部に巻き締められ、このコネクタ１にホースやチューブ等の管を接続して患者等への医薬の投入に利用される。勿論、ボトルなどの飲料容器などの口部に接続し、コネクタ１から直接容器内容物を喫飲するなどの用途に適用することも可能である。   The connector 1 of the present invention described above is easily molded by known means such as injection molding using various thermoplastics represented by polyethylene and polypropylene, such as a medical packaging bag filled with various medicines. It is wound around the mouth of the container and connected to the connector 1 with a tube such as a hose or a tube, which is used for injecting medicine to a patient or the like. Of course, it is also possible to connect to a mouth part of a beverage container such as a bottle and to apply the contents of the container directly from the connector 1.

本発明のコネクタの側断面図。The side sectional view of the connector of the present invention. 図１のコネクタを容器口部に巻き締めた状態を示す側断面図。The sectional side view which shows the state which tightened the connector of FIG. 1 to the container opening part. 従来公知のコネクタを容器口部に巻き締めた状態での螺子係合状態を説明するための展開図。The expanded view for demonstrating the screw engagement state in the state which wound the conventionally well-known connector around the container opening part. 図１の本発明のコネクタを容器口部に巻き締めた状態での螺子係合状態を説明するための展開図。The expanded view for demonstrating the screw engagement state in the state which wound the connector of this invention of FIG. 1 around the container opening part. 本発明において好適なコネクタを容器口部に巻き締めた状態を示す要部側断面図。The principal part sectional side view which shows the state which wound the suitable connector in the container mouth part in this invention.

符号の説明Explanation of symbols

１：コネクタ
７：螺条
１３：段差部（当接部）
２０：リブ
３０：容器口部
３１：螺条 1: Connector 7: Thread 13: Step part (contact part)
20: Rib 30: Container mouth 31: Screw

Claims (2)

外面に螺条が形成された容器口部に螺子締結され且つ該容器口部に螺子締結された状態で容器口部内空間と連通する貫通口を供えたコネクタにおいて、
該コネクタの内面壁には、螺条が３６０度以上にわたって形成されており、該コネクタの螺条よりも上側部分には、該コネクタが容器口部に巻き締められたときに容器口部の上端に当接する当接部が形成されており、
該コネクタを容器口部に巻き締めたとき、容器口部の上端が前記当接部に当接することによって画定される巻き締め状態において、該コネクタの螺条と容器口部の螺条とは、１８０度乃至２７０度にわたって互いに係合していることを特徴とするコネクタ。 In a connector provided with a through-hole that is screwed to a container mouth part formed with a thread on the outer surface and communicated with the inner space of the container mouth part in a state of being screw-fastened to the container mouth part,
On the inner wall of the connector, a thread is formed over 360 degrees, and the upper part of the connector is threaded on the upper end of the container mouth when the connector is wound around the container mouth. A contact portion is formed to contact the
When the connector is wound around the container mouth portion, in a tightened state defined by the upper end of the container mouth portion coming into contact with the contact portion, the screw thread of the connector and the screw thread of the container mouth portion are: A connector characterized by being engaged with each other over 180 to 270 degrees. 前記コネクタの内面壁には、該コネクタの螺条の上端と前記当接部との間の位置に高さ方向に延びているリブが形成されている請求項１に記載のコネクタ。   The connector according to claim 1, wherein a rib extending in a height direction is formed on an inner wall of the connector at a position between an upper end of a screw thread of the connector and the contact portion.
JP2007142449A 2007-05-29 2007-05-29 connector Expired - Fee Related JP4934504B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0349850A (en) * 1989-07-13 1991-03-04 Omron Corp Tool damage detecting device
JPH0339172U (en) * 1989-08-29 1991-04-16
JP2006271584A (en) * 2005-03-29 2006-10-12 Ichikawa Kosan Kk Connecting structure between infusion container and infusion tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0349850A (en) * 1989-07-13 1991-03-04 Omron Corp Tool damage detecting device
JPH0339172U (en) * 1989-08-29 1991-04-16
JP2006271584A (en) * 2005-03-29 2006-10-12 Ichikawa Kosan Kk Connecting structure between infusion container and infusion tube

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