JP5909383B2 - Connection structure of cylindrical bodies - Google Patents

Connection structure of cylindrical bodies Download PDF

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JP5909383B2
JP5909383B2 JP2012044455A JP2012044455A JP5909383B2 JP 5909383 B2 JP5909383 B2 JP 5909383B2 JP 2012044455 A JP2012044455 A JP 2012044455A JP 2012044455 A JP2012044455 A JP 2012044455A JP 5909383 B2 JP5909383 B2 JP 5909383B2
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cylindrical body
protrusion
engagement
cylindrical
state
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JP2013181575A (en
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山田　孝
孝 山田
稲川　義則
義則 稲川
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Kao Corp
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  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

本発明は、筒状体の連結構造に関する。   The present invention relates to a connecting structure of cylindrical bodies.

例えば、立ったまま床を掃除可能な掃除具の柄や、杖の柄等の長尺のロッド状部材は、複数の円筒状パイプを軸方向に連結一体化して形成される場合がある。円筒状パイプを連結一体化するための連結部の構造としては、一般にネジ接合によるものが知られている。ネジ接合による連結構造は、掃除具を組立てる際や、或いは掃除具をコンパクトにして収納したりする場合など、掃除具を分解する際に、円筒状パイプを回転させて螺合締結する作業やこれを解除する作業に手間が掛かる。   For example, a long rod-like member such as a handle of a cleaning tool that can clean the floor while standing or a handle of a cane may be formed by connecting and integrating a plurality of cylindrical pipes in the axial direction. As a structure of a connecting portion for connecting and integrating cylindrical pipes, a structure by screw joining is generally known. The screw connection structure can be used to rotate and tighten the cylindrical pipe when disassembling the cleaning tool, such as when assembling the cleaning tool or storing the cleaning tool in a compact size. It takes a lot of work to unlock.

これに対して、一方の筒状パイプのオス側端部を他方の筒状パイプのメス側端部に挿入して二重のパイプ構造とし、各端部の周面に各々形成した係合穴を合致させて、内周面から係合突起を突出させたスリーブ部材を外側から装着し、合致させた係合穴に係合突起を嵌合係止することにより、一対の筒状パイプを軸方向に連結一体化する連結構造が提案されている。このような連結構造によれば、係合突起を係合穴に係止する作業は容易であるが、装着されたスリーブ部材には内方への付勢力が働くため、係合突起の係止状態を解除する作業をスムースに行うことは困難である。
そのため、本出願人は、特許文献１において、合致させた係合穴に係止された係合突起の係止状態を容易に解除して、連結一体化された一対の筒状パイプをスムースに分解することができるパイプの連結構造を提案した。
しかし、その提案に係るパイプの連結構造は、スリーブ部材の軸方向の長さが比較的長くなり易い等の改善すべき点があった。 On the other hand, the male side end of one cylindrical pipe is inserted into the female side end of the other cylindrical pipe to form a double pipe structure, and the engagement holes respectively formed on the peripheral surface of each end A pair of cylindrical pipes are pivoted by attaching a sleeve member with an engagement protrusion protruding from the inner peripheral surface from the outside and fitting and locking the engagement protrusion into the matched engagement hole. A connection structure that integrates and integrates in the direction has been proposed. According to such a connection structure, it is easy to lock the engaging protrusion in the engaging hole. However, since the urging force acts inward on the mounted sleeve member, the engaging protrusion is locked. It is difficult to smoothly perform the operation for releasing the state.
Therefore, the applicant of the present invention easily releases the engagement state of the engagement protrusion locked in the matched engagement hole in Patent Document 1 and smoothly connects the pair of connected cylindrical pipes. A pipe connection structure that can be disassembled was proposed.
However, the pipe connection structure according to the proposal has to be improved such that the axial length of the sleeve member tends to be relatively long.

特開２０１１−５２８３２号公報JP 2011-52832 A

本発明の課題は、第１の筒状体と第２の筒状体の連結状態を安定して維持可能であると共に、第１の筒状体と第２の筒状体とを分離可能とするための操作が極めて容易な筒状体の連結構造を提供することにある。
An object of the present invention is to stably maintain the connected state of the first cylindrical body and the second cylindrical body, and to separate the first cylindrical body and the second cylindrical body. An object of the present invention is to provide a connecting structure for cylindrical bodies that is extremely easy to operate.

本発明は、環状の連結具を用いて、第１の筒状体と第２の筒状体とを軸方向に連結一体化させてなる筒状体の連結構造であって、第１及び第２の筒状体には、第１の筒状体の端部に第２の筒状体を挿入したときに位置が重なる第１係合孔及び第２係合部が形成されており、前記連結具は、第１係合孔を貫通して第２係合部に係合する係合突起と、第１の筒状体の周方向に延在すると共に前記係合突起を支持する突起支持部と、前記突起支持部の両側に位置し、第１筒状体の外周面との間に空間が形成されるように該外周面から離間して延在する一対の押圧部と、前記一対の押圧部間に位置し、前記突起支持部より肉厚に形成された突起対向部とを有しており、前記係合突起が、第１係合孔を貫通して第２係合部に係合している状態では、第１の筒状体と第２の筒状体との連結状態が安定に維持される一方、前記一対の押圧部を押圧することにより、前記係合突起の第２係合部に対する係合状態が解除されて、第１の筒状体と第２の筒状体とが分離可能となる、筒状体の連結構造を提供するものである。   The present invention relates to a connecting structure for cylindrical bodies in which a first cylindrical body and a second cylindrical body are connected and integrated in the axial direction by using an annular connector. The second cylindrical body is formed with a first engagement hole and a second engagement portion whose positions overlap when the second cylindrical body is inserted into the end of the first cylindrical body, The connector includes an engagement protrusion that penetrates the first engagement hole and engages the second engagement portion, and a protrusion support that extends in the circumferential direction of the first cylindrical body and supports the engagement protrusion. And a pair of pressing portions that are located on both sides of the protrusion support portion and extend away from the outer peripheral surface so as to form a space between the outer peripheral surface of the first cylindrical body, and the pair Between the pressing portions and a protrusion-facing portion formed thicker than the protrusion support portion, and the engaging protrusion penetrates the first engaging hole to the second engaging portion. In the engaged state, the first While the connection state of the cylindrical body and the second cylindrical body is stably maintained, the engagement state of the engagement protrusion with respect to the second engagement portion is released by pressing the pair of pressing portions. Thus, the present invention provides a connecting structure for cylindrical bodies in which the first cylindrical body and the second cylindrical body can be separated.

本発明の筒状体の連結構造によれば、第１の筒状体と第２の筒状体の連結状態を安定して維持可能であると共に、第１の筒状体と第２の筒状体とを分離可能とするための操作が極めて容易である。   According to the connection structure of the cylindrical body of the present invention, the connection state of the first cylindrical body and the second cylindrical body can be stably maintained, and the first cylindrical body and the second cylinder can be maintained. The operation for making the state body separable is extremely easy.

図１は、本発明の一実施形態に係る筒状体の連結構造における第１筒状体と第２筒状体とを分離した状態を示す斜視図である。FIG. 1 is a perspective view showing a state where a first cylindrical body and a second cylindrical body are separated in a connecting structure of cylindrical bodies according to an embodiment of the present invention. 図２は、本発明の筒状体の連結構造を備えた容器を示す図で、（ａ）はノズル部材を接続した状態の斜視図、（ｂ）は、内容物送出口から内容物を送出させる様子を示す断面図である。FIG. 2 is a view showing a container having a connecting structure for cylindrical bodies according to the present invention, in which (a) is a perspective view showing a state in which a nozzle member is connected, and (b) is for sending contents from a contents outlet. It is sectional drawing which shows a mode to make it do. 図３は、本発明の一実施形態に係る筒状体の連結構造を示す図で、（ａ）は第１及び第２筒状体の軸方向に沿う断面を示す縦断面図であり、（ｂ）は（ａ）のＡ−Ａ線断面図である。FIG. 3 is a view showing a connecting structure of cylindrical bodies according to an embodiment of the present invention, (a) is a longitudinal sectional view showing a cross section along the axial direction of the first and second cylindrical bodies, (b) is the sectional view on the AA line of (a). 図４は、一対の押圧部を押圧して、第２係合部に対する係合突起の係合状態を解除する様子を示す、図３（ｂ）に対応する断面図である。FIG. 4 is a cross-sectional view corresponding to FIG. 3B, showing a state where the pair of pressing portions are pressed to release the engagement state of the engagement protrusion with respect to the second engagement portion. 図５は、第１及び第２筒状体を連結一体化させる過程を説明する、図３（ａ）に対応する縦断面図である。FIG. 5 is a longitudinal sectional view corresponding to FIG. 3A for explaining a process of connecting and integrating the first and second cylindrical bodies. 図６は、本発明の一実施形態に係る筒状体の連結構造における第１筒状体に、他の部材としてのノズル部材を接続する状況を説明する断面図である。FIG. 6 is a cross-sectional view illustrating a situation where a nozzle member as another member is connected to the first tubular body in the tubular body connection structure according to the embodiment of the present invention.

以下に、本発明をその好ましい実施形態に基づき図面を参照しながら説明する。
図１及び図４に示すように、本発明の一実施形態に係る筒状体の連結構造は、環状の連結具１を用いて、第１の筒状体２と第２の筒状体３とを軸方向に連結一体化させてなる。
本実施形態における第１の筒状体２及び第２の筒状体３について、より詳細に説明すると、図１に示すように、第２の筒状体３は、所定の操作により内容物を送出可能な容器４の送出路４１を形成しており、第１の筒状体２は、該送出路４１に、ノズル部材７等の他の部材を脱着自在に固定するための部材である。図２（ａ）には、送出路４１に、ノズル部材７を脱着自在に固定した状態の容器４が示されている。 Below, this invention is demonstrated, referring drawings based on the preferable embodiment.
As shown in FIGS. 1 and 4, the connecting structure of the cylindrical bodies according to the embodiment of the present invention uses a first connecting body 2 and a second cylindrical body 3 using an annular connecting tool 1. Are connected and integrated in the axial direction.
The first cylindrical body 2 and the second cylindrical body 3 in the present embodiment will be described in more detail. As shown in FIG. 1, the second cylindrical body 3 stores the contents by a predetermined operation. A delivery path 41 of the deliverable container 4 is formed, and the first cylindrical body 2 is a member for removably fixing other members such as the nozzle member 7 to the delivery path 41. FIG. 2A shows the container 4 in a state where the nozzle member 7 is detachably fixed to the delivery path 41.

第１の筒状体２は、図１及び図３に示すように、直径（外径及び内径）が異なる先端部２１、中間部２２及び接続端部２３を有する円筒状をなし、その接続端部２３における周方向の一部に第１係合孔２４が形成されている。第１係合孔２４は、第１の筒状体２の周壁を貫通しており、矩形状の開口部形状を有している。
第２の筒状体３は、図１及び図３に示すように、直径（外径及び内径）が略一定の円筒状をなし、軸方向の略中央部における周方向の一部に、第２係合部３１が形成されている。本実施形態における第２係合部３１は、第２の筒状体３の外面側に開口する凹部（穴）であり、第２の筒状体３の周壁を貫通していない。また、図５（ａ）に示すように、第２係合部３１としての凹部は、第２の筒状体３における第１の筒状体２を連結する側の一端３ａに近い側の端部３１ａが、筒状体３に軸方向に直交する垂直な面となっており、係合突起１１の係合状態が意図せずに解除されることが確実に防止される。 As shown in FIGS. 1 and 3, the first cylindrical body 2 has a cylindrical shape having a tip portion 21, an intermediate portion 22, and a connection end portion 23 having different diameters (outer diameter and inner diameter), and the connection end thereof. A first engagement hole 24 is formed in a part of the portion 23 in the circumferential direction. The first engagement hole 24 penetrates the peripheral wall of the first cylindrical body 2 and has a rectangular opening shape.
As shown in FIGS. 1 and 3, the second cylindrical body 3 has a cylindrical shape with a substantially constant diameter (outer diameter and inner diameter). Two engaging portions 31 are formed. The second engaging portion 31 in the present embodiment is a recess (hole) that opens to the outer surface side of the second cylindrical body 3 and does not penetrate the peripheral wall of the second cylindrical body 3. Moreover, as shown to Fig.5 (a), the recessed part as the 2nd engaging part 31 is an end of the side close | similar to the end 3a of the side which connects the 1st cylindrical body 2 in the 2nd cylindrical body 3. As shown in FIG. The portion 31a is a vertical surface perpendicular to the axial direction of the cylindrical body 3, and the engagement state of the engagement protrusion 11 is reliably prevented from being unintentionally released.

また、第１係合孔２４及び第２係合部３１は、図３に示すように、第１の筒状体２の端部に、第２の筒状体３を挿入したときに、それぞれの位置が重なるように形成されている。本実施形態においては、第１の筒状体２に、第２の筒状体３を最大限に挿入したときに、第１係合孔２４の位置と第２係合部３１の位置とが重なるようになされている。また、第１の筒状体２の接続端部２３の内周面と、第２の筒状体３の第１の筒状体２内に挿入される部分の外周面とは、略一致する形状を有し、第２の筒状体３を挿入した状態においては、第１の筒状体２の内周面と第２の筒状体３の外周面とが液が容易には漏れ出さない程度に密着する。
なお、第１係合孔２４と第２係合部３１の位置は、環状の連結具１の係合突起１１が、第１係合孔２４を貫通して第２係合部３１に係合可能なように重なれば良い。 Further, as shown in FIG. 3, the first engagement hole 24 and the second engagement portion 31 are respectively disposed when the second tubular body 3 is inserted into the end portion of the first tubular body 2. Are formed so as to overlap each other. In the present embodiment, when the second cylindrical body 3 is inserted into the first cylindrical body 2 to the maximum extent, the position of the first engagement hole 24 and the position of the second engagement portion 31 are the same. It is made to overlap. Further, the inner peripheral surface of the connection end portion 23 of the first cylindrical body 2 and the outer peripheral surface of the portion inserted into the first cylindrical body 2 of the second cylindrical body 3 substantially coincide with each other. In a state where the second cylindrical body 3 is inserted, the liquid easily leaks from the inner peripheral surface of the first cylindrical body 2 and the outer peripheral surface of the second cylindrical body 3. Adhere closely.
The positions of the first engagement hole 24 and the second engagement portion 31 are such that the engagement protrusion 11 of the annular connector 1 passes through the first engagement hole 24 and engages with the second engagement portion 31. Just overlap as much as possible.

また、本実施形態における第２の筒状体３の外周面には、図１に示すように、第２の筒状体３の前記一端３ａから軸方向に延びるガイド溝３２が形成されており、連結具１の係合突起１１は、ガイド溝３２に案内されて、第２係合部３１の位置まで導かれる。これにより、係合突起１１が、確実に第２係合部３１に導かれて、第２係合部３１と係合する。
また、本実施形態における第２の筒状体３においては、第２の筒状体３の前記一端３ａと第２係合部３１との間に、前記一端３ａから第２係合部３１に向かうに連れて、筒状体３の外周面からの深さが漸次減少する傾斜面３３が形成されている。この傾斜面３３の機能については後述する。 Further, as shown in FIG. 1, a guide groove 32 extending in the axial direction from the one end 3a of the second cylindrical body 3 is formed on the outer peripheral surface of the second cylindrical body 3 in the present embodiment. The engaging protrusion 11 of the coupler 1 is guided to the position of the second engaging portion 31 by being guided by the guide groove 32. Thereby, the engagement protrusion 11 is reliably guided to the second engagement portion 31 and engaged with the second engagement portion 31.
Further, in the second cylindrical body 3 in the present embodiment, the one end 3 a is connected to the second engaging portion 31 between the one end 3 a and the second engaging portion 31 of the second cylindrical body 3. An inclined surface 33 is formed in which the depth from the outer peripheral surface of the cylindrical body 3 gradually decreases as it goes. The function of the inclined surface 33 will be described later.

本実施形態における環状の連結具１は、図３に示すように、第１の筒状体２の第１係合孔２４を貫通して第２の筒状体３の第２係合部３１に係合する係合突起１１と、第１の筒状体２の周方向に延在すると共に係合突起１１を支持する突起支持部１２と、突起支持部１２の両側に位置し、第１筒状体２の外周面との間に空間１３ａが形成されるように該外周面から離間して延在する一対の押圧部１３，１３と、一対の押圧部１３，１３間に位置し、前記突起支持部１２より肉厚に形成された突起対向部１４とを有している。
なお、図３には、環状の連結具１が、第１の筒状体２の外側に装着された状態が示されているが、連結具１の形態は、第１の筒状体２から外した状態においても同じである。 As shown in FIG. 3, the annular connector 1 in the present embodiment penetrates the first engagement hole 24 of the first cylindrical body 2 and the second engagement portion 31 of the second cylindrical body 3. Engaging protrusions 11 that engage with each other, protrusion supporting parts 12 that extend in the circumferential direction of the first cylindrical body 2 and support the engaging protrusions 11, and both sides of the protrusion supporting parts 12, Located between the pair of pressing portions 13, 13 and the pair of pressing portions 13, 13 extending away from the outer peripheral surface so that a space 13a is formed between the outer peripheral surface of the cylindrical body 2 and And a protrusion facing portion 14 formed thicker than the protrusion support portion 12.
FIG. 3 shows a state in which the annular connector 1 is mounted on the outside of the first tubular body 2, but the form of the connector 1 is from the first tubular body 2. The same applies to the removed state.

本実施形態における連結具１について、より具体的に説明すると、連結具１は、第１の筒状体２の軸方向と同方向の長さＬ１〔図３（ａ）参照〕が、第１の筒状体２の直径（外径）Ｌ２〔図３（ｂ）参照〕以下である。
連結具１は、例えば合成樹脂製の一体成形品である。連結具を合成樹脂から形成する場合の樹脂としては、例えば、ポリエチレン、ポリプロピレン等のポリオレフィン系樹脂、ポリエチレンテレフタレート、ポリブチレンテレフタレート等のポリエステル、ポリアセタール、ポリ塩化ビニル、ポリスチレン、ポリ酢酸ビニル、ポリアミド、ポリ乳酸等が挙げられるが、適度な弾性を持たせる観点から、ポリアセタール（ＰＯＭ)であることが好ましい。また、一部、例えば、係合突起１１部分のみを他の部分とは異なる合成樹脂や金属等で形成しても良い。 The connector 1 in the present embodiment will be described more specifically. The connector 1 has a length L1 in the same direction as the axial direction of the first cylindrical body 2 (see FIG. 3A). The diameter (outer diameter) L2 of the cylindrical body 2 [see FIG. 3 (b)] is below.
The connector 1 is an integrally molded product made of, for example, a synthetic resin. Examples of the resin when the connector is formed from a synthetic resin include polyolefin resins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate and polybutylene terephthalate, polyacetal, polyvinyl chloride, polystyrene, polyvinyl acetate, polyamide, poly Examples thereof include lactic acid, but polyacetal (POM) is preferable from the viewpoint of imparting appropriate elasticity. Moreover, you may form a part, for example, only the engaging protrusion 11 part with a synthetic resin, a metal, etc. different from another part.

連結具１の突起支持部１２は、第１の筒状体２の周方向の所定の範囲に亘って延在している。より具体的には、突起支持部１２は、曲率半径が第１の筒状体２の外周面と略同様の断面円弧状の形状を有している。突起支持部１２は、第１の筒状体２の周方向において、該筒状体２の周方向の１５〜３５％の範囲、特に２０〜３０％の範囲（全周に亘っている場合が１００％）に亘って延在していることが好ましい。
そして、第１の筒状体２の周方向と同方向における、突起支持部１２の略中央部に係合突起１１が設けられている。突起支持部１２は、係合突起１１の基端部を支持している。係合突起１１は、第１係合孔２４及び第２係合部３１の開口部形状と合致する矩形状の断面形状を有することが好ましいが、それに限られるものではない。 The protrusion support portion 12 of the connector 1 extends over a predetermined range in the circumferential direction of the first cylindrical body 2. More specifically, the protrusion support portion 12 has a cross-sectional arc shape in which the radius of curvature is substantially the same as the outer peripheral surface of the first cylindrical body 2. In the circumferential direction of the first cylindrical body 2, the protrusion support portion 12 is in the range of 15 to 35%, particularly in the range of 20 to 30% (may be over the entire circumference) of the cylindrical body 2. 100%).
An engagement protrusion 11 is provided at a substantially central portion of the protrusion support portion 12 in the same direction as the circumferential direction of the first cylindrical body 2. The protrusion support portion 12 supports the base end portion of the engagement protrusion 11. The engagement protrusion 11 preferably has a rectangular cross-sectional shape that matches the opening shape of the first engagement hole 24 and the second engagement portion 31, but is not limited thereto.

また、連結具１の一対の押圧部１３，１３は、それぞれ、筒状体２の外周面との間に、第１の筒状体２の直径（外径）Ｌ２の５〜１５％に相当する厚み（当該厚みをＬ１３で示す）の空間１３ａを形成し得るものが好ましい。空間１３ａの厚みＬ１３は、筒状体２の直径方向に沿って測定する。   Further, the pair of pressing portions 13 and 13 of the connector 1 are respectively equivalent to 5 to 15% of the diameter (outer diameter) L2 of the first tubular body 2 between the outer peripheral surface of the tubular body 2. What can form the space 13a of the thickness to perform (the thickness is indicated by L13) is preferable. The thickness L13 of the space 13a is measured along the diameter direction of the cylindrical body 2.

連結具１の突起対向部１４は、一対の押圧部１３，１３間に位置し、突起支持部１２より肉厚に形成されている。突起対向部１４が突起支持部１２より肉厚であることによって、図４に示すように、一対の押圧部１３，１３を手で押圧したときに、突起支持部１２が、筒状体２の外周面から離れるように変形し易くなる。
また、突起対向部１４は、筒状体２側に向けられる内面側に、曲率半径が第１の筒状体２の外周面と略同様の部分１４ａを有する。他方、突起対向部１４の厚みの中線沿った曲率半径は、第１の筒状体２の外周面の曲率半径より大きくなっている。
なお、本実施形態の突起対向部１４は、筒状体２の周方向における中央部付近から一対の押圧部１３，１３それぞれに向かって厚みが漸減している。突起対向部１４は、厚みが最大の部分の厚みが、突起支持部１２の厚みの１．５〜２．５倍、特に１．７〜２．２倍であることが好ましい。 The protrusion facing portion 14 of the connector 1 is located between the pair of pressing portions 13 and 13 and is formed thicker than the protrusion support portion 12. Since the protrusion facing portion 14 is thicker than the protrusion support portion 12, when the pair of pressing portions 13, 13 are pressed by hand as shown in FIG. It becomes easy to deform away from the outer peripheral surface.
Further, the protrusion facing portion 14 has a portion 14 a having a radius of curvature substantially the same as that of the outer peripheral surface of the first cylindrical body 2 on the inner surface side directed toward the cylindrical body 2. On the other hand, the curvature radius along the middle line of the thickness of the protrusion facing portion 14 is larger than the curvature radius of the outer peripheral surface of the first cylindrical body 2.
In addition, the protrusion opposing part 14 of this embodiment is gradually reduced in thickness from the vicinity of the central part in the circumferential direction of the cylindrical body 2 toward each of the pair of pressing parts 13 and 13. It is preferable that the thickness of the protrusion facing portion 14 is 1.5 to 2.5 times, particularly 1.7 to 2.2 times the thickness of the protrusion supporting portion 12.

本実施形態の筒状体の連結構造は、図５に示すように、環状の連結具１を、第１の筒状体２の外側に装着した状態で、第１の筒状体２の端部に、第２の筒状体３を挿入するだけで完成する。即ち、図５に示すように、第１の筒状体２の端部に第２の筒状体３を挿入する際に、第１係合孔２４を貫通して、第１の筒状体２の内面から突出する係合突起１１が、図５（ｂ）に示すように、第２の筒状体３の前記の傾斜面３３に当接して徐々に押し上げられる。このとき、突起支持部１２の変形も徐徐に進行する。そして、係合突起１１が、傾斜面３３の上端の位置を超えると、突起支持部１２の復元力により、係合突起１１が、第２係合部３１に向かって移動し、図３に示すように、該係合突起１１が第２係合部３１に係合する。   As shown in FIG. 5, the connecting structure of the tubular body of the present embodiment is the end of the first tubular body 2 with the annular connector 1 mounted on the outside of the first tubular body 2. It is completed simply by inserting the second cylindrical body 3 into the part. That is, as shown in FIG. 5, when the second cylindrical body 3 is inserted into the end of the first cylindrical body 2, the first cylindrical body passes through the first engagement hole 24. As shown in FIG. 5 (b), the engaging protrusion 11 protruding from the inner surface of 2 is brought into contact with the inclined surface 33 of the second cylindrical body 3 and gradually pushed up. At this time, the deformation of the protrusion support portion 12 also proceeds gradually. When the engaging protrusion 11 exceeds the position of the upper end of the inclined surface 33, the engaging protrusion 11 moves toward the second engaging portion 31 by the restoring force of the protrusion supporting portion 12, and is shown in FIG. As described above, the engagement protrusion 11 engages with the second engagement portion 31.

本実施形態の筒状体の連結構造によれば、このようにして、係合突起１１が、第１係合孔２４を貫通して第２係合部３１に係合している状態では、第１の筒状体２及び／又は第２の筒状体３に、両者を引き離す方向の力を加えても、係合突起１１がストッパーとなって、両者の連結状態が安定に維持される。
他方、第１の筒状体２と第２の筒状体３とを分離したいときには、図４に示すように、一対の押圧部１３，１３を、両者が近づくように手で押圧すれば良い。押圧部１３，１３を押圧する方法は、典型的には、手の親指と人差し指又は中指との間に挟んで押圧する方法であるが、他の方法を用いても良い。
押圧部１３，１３を押圧するだけで、連結具１は、突起支持部１２側が外方に向かって膨らむように変形し、それによって、係合突起１１の第２係合部３１に対する係合状態が解除される。その状態で、第１の筒状体２及び／又は第２の筒状体３を、両者を引き離す方向に引っ張れば、両者を容易に分離することができる。また、第１の筒状体２及び／又は第２の筒状体３を、両者を引き離す方向に引っ張りつつ、押圧部１３，１３を押圧しても良い。突起支持部１２は、一対の押圧部１３，１３の押圧操作により、係合突起１１の先端１１ａが、第２係合部３１としての凹部の前記端部３１ａの壁面の上端の位置を越えるまで後退するように変形すれば充分であるが、図４に示すように、係合突起１１の先端３１ａが、第１の筒状体２の内面の位置よりも外側まで後退するように変形することも好ましい。 According to the tubular body connecting structure of the present embodiment, in this manner, in a state where the engaging protrusion 11 penetrates the first engaging hole 24 and engages with the second engaging portion 31, Even if a force in the direction of separating both of them is applied to the first cylindrical body 2 and / or the second cylindrical body 3, the engaging protrusion 11 serves as a stopper, and the connection state between the two is stably maintained. .
On the other hand, when it is desired to separate the first cylindrical body 2 and the second cylindrical body 3, as shown in FIG. 4, the pair of pressing portions 13 and 13 may be pressed by hand so that both approach each other. . The method of pressing the pressing portions 13 and 13 is typically a method of pressing between the thumb of the hand and the index finger or the middle finger, but other methods may be used.
By simply pressing the pressing portions 13, the connector 1 is deformed so that the protrusion supporting portion 12 side swells outward, whereby the engaging protrusion 11 is engaged with the second engaging portion 31. Is released. In this state, if the first cylindrical body 2 and / or the second cylindrical body 3 are pulled in a direction in which both are separated, both can be easily separated. Moreover, you may press the press parts 13 and 13, pulling the 1st cylindrical body 2 and / or the 2nd cylindrical body 3 in the direction which separates both. The protrusion supporting portion 12 is moved by the pressing operation of the pair of pressing portions 13, 13 until the tip 11 a of the engaging protrusion 11 exceeds the position of the upper end of the wall surface of the end portion 31 a of the recess as the second engaging portion 31. Although it is sufficient to deform so as to move backward, as shown in FIG. 4, the tip 31 a of the engaging protrusion 11 is deformed so as to move backward beyond the position of the inner surface of the first cylindrical body 2. Is also preferable.

このように、本実施形態の筒状体の連結構造によれば、第１の筒状体２と第２の筒状体３の連結状態を安定して維持可能であると共に、第１の筒状体２と第２の筒状体３とを分離可能とするための操作も極めて容易である。   Thus, according to the connection structure of the cylindrical body of this embodiment, the connection state of the 1st cylindrical body 2 and the 2nd cylindrical body 3 can be maintained stably, and the 1st cylinder The operation for making the cylindrical body 2 and the second cylindrical body 3 separable is extremely easy.

図２に示す容器４は、手による押圧により容易に変形しその押圧の解除により元の状態（凸曲面状の状態）に復帰する押圧変形部５１を備えた蓋体５と、手で押圧しても容易に変形しない硬質材料からなる容器本体６とからなる内容物押出容器であり、片手で把持して、押圧変形部５１を繰り返し押圧することで、シート状の弾性体５２が徐々に膨らみ、それによって、容器本体６内の収容部６１に収容した内容物６２が、第２の筒状体３によって形成される送出路４１を介して外部へと徐徐に送出されるものである。
図２中、符号５３は、加圧空間５４内で加圧された空気を、隔壁５５とシート状の弾性体５２との間の空間５６に送る逆止弁付きの通気路であり、符号５７は、押圧変形部５１が元の状態に復帰するときに外気を加圧空間５４内に取り込むための逆止弁付き吸気路である。符号５８は、押しボタン５９の押圧操作により空間５６内の空気を排気可能なエア抜き装置であり、容器の使用後に、シート状の弾性体５２を元の状態に戻すために使用する。 The container 4 shown in FIG. 2 is pressed by a hand with a lid 5 having a pressing deformation portion 51 that is easily deformed by hand pressing and returns to its original state (convex curved surface state) by releasing the pressing. However, the sheet-like elastic body 52 gradually bulges by being held with one hand and repeatedly pressing the pressing deformation portion 51. Thereby, the content 62 accommodated in the accommodating part 61 in the container main body 6 is gradually sent out to the outside through the delivery path 41 formed by the second cylindrical body 3.
In FIG. 2, reference numeral 53 denotes an air passage with a check valve that sends the air pressurized in the pressurizing space 54 to the space 56 between the partition wall 55 and the sheet-like elastic body 52. Is an intake passage with a check valve for taking outside air into the pressurized space 54 when the pressing deformation portion 51 returns to its original state. Reference numeral 58 denotes an air venting device that can exhaust the air in the space 56 by pressing the push button 59, and is used to return the sheet-like elastic body 52 to its original state after the container is used.

本実施形態における第１の筒状体２は、第２の筒状体３と連結することによって、容器４の送出路４１に、ノズル部材７等の他の部材を脱着自在に固定可能なものである。
具体的には、図６に示すように、第１の筒状体２における、前述した中間部２２には、ノズル部材７を固定するための突起２２ａが形成されている。この突起２２ａを用いてノズル部材７を固定するには、ノズル部材７の一端部７１に第１の筒状体２を挿入し、該突起２２ａを、ノズル部材７の内面に形成されたガイド溝７４（図１参照）に沿って移動させ、該突起２２ａを被係合孔７２に係合させる。そして、突起２２ａが、被係合孔７２内に位置した状態において、ノズル部材７又は第１の筒状体２を、その軸周りに回転させて、突起２２ａを被係合孔７２に沿って移動させる。そして、突起２２ａがロック位置７３〔図２（ａ）参照〕に位置すると、突起２２ａの位置がそのロック位置７３に固定され、その状態では、ノズル部材７を取り外すことができなくなる。
他方、ノズル部材７を取り外す際には、ノズル部材７をその固定時とは逆方向に回転させると、突起２２ａがロック位置７３から移動し、ノズル部材７の固定状態が解除される。 The first cylindrical body 2 in the present embodiment can be detachably fixed to other members such as the nozzle member 7 in the delivery path 41 of the container 4 by being connected to the second cylindrical body 3. It is.
Specifically, as shown in FIG. 6, a protrusion 22 a for fixing the nozzle member 7 is formed on the above-described intermediate portion 22 in the first cylindrical body 2. In order to fix the nozzle member 7 using the projection 22a, the first cylindrical body 2 is inserted into one end 71 of the nozzle member 7, and the projection 22a is formed into a guide groove formed on the inner surface of the nozzle member 7. 74 (see FIG. 1), and the protrusion 22a is engaged with the engaged hole 72. Then, in a state where the protrusion 22 a is positioned in the engaged hole 72, the nozzle member 7 or the first cylindrical body 2 is rotated around its axis, and the protrusion 22 a is moved along the engaged hole 72. Move. When the protrusion 22a is positioned at the lock position 73 (see FIG. 2A), the position of the protrusion 22a is fixed to the lock position 73. In this state, the nozzle member 7 cannot be removed.
On the other hand, when removing the nozzle member 7, if the nozzle member 7 is rotated in the direction opposite to that when the nozzle member 7 is fixed, the protrusion 22 a moves from the lock position 73, and the fixed state of the nozzle member 7 is released.

本発明の筒状体の連結構造は、このように、第１の筒状体２が、ノズル部材７等の他の部材を、筒状体２の軸周りに回転させる操作を含む操作により固定するものである場合であっても、第１の筒状体２と第２の筒状体３の連結状態がゆるむことがなく、両者の連結状態が安定して維持される。ノズル部材７等を、筒状体２の軸周りに回転させる操作としては、第１の筒状体２の外面及びノズル部材７の内面に螺条を形成し、両者を螺合させて連結する螺合操作（螺合のための回転操作）も含まれる。   Thus, the connection structure of the cylindrical bodies of the present invention is fixed by the operation including the operation in which the first cylindrical body 2 rotates other members such as the nozzle member 7 around the axis of the cylindrical body 2. Even if it is a thing to do, the connection state of the 1st cylindrical body 2 and the 2nd cylindrical body 3 does not loosen, but both connection states are maintained stably. As an operation for rotating the nozzle member 7 and the like around the axis of the cylindrical body 2, a thread is formed on the outer surface of the first cylindrical body 2 and the inner surface of the nozzle member 7, and both are screwed to be connected. A screwing operation (rotating operation for screwing) is also included.

なお、前述した容器４は、片手に持ちながらその片手で押圧変形部５１を押圧して内容物を送出させることができる。「その片手」とは、右手に持っている場合にはその右手、左手に持っている場合にはその左手という意味である。
そのため、例えば内容物として、ヘアカラー等の染毛剤、育毛剤、整髪剤、シャンプー、マッサージ剤等の頭髪又は頭皮処理剤を充填して、それらを頭髪に塗布する場合、塗布する部位を移動させながら塗布作業を行うことも容易である。 In addition, while holding the container 4 mentioned above in one hand, the pressing deformation part 51 can be pressed with one hand and the contents can be sent out. “One hand” means that the right hand is in the right hand, and the left hand is in the left hand.
Therefore, for example, when filling hair or scalp treatment agents such as hair coloring agents such as hair colors, hair growth agents, hair styling agents, shampoos, and massage agents as contents, and applying them to the hair, move the application site It is also easy to perform the coating operation while making it happen.

ノズル部材７は、その交換により、内容物の送出路の長さや直径を代えることができる。また、ノズル先端側の開口部７５の寸法等が異なるノズル部材に交換したり、周囲に刷毛７ａのついたブラシ付きのノズル部材から、刷毛７ａのないノズル部材に交換することもできる。刷毛７ａのついたブラシ付きのノズル部材７は、頭髪や頭皮、それ以外の部分の皮膚等に、染毛剤や頭髪化粧料等のヘアケア剤、スキンケア剤等を塗布するのに適している。   The nozzle member 7 can change the length and diameter of the delivery path of the contents by its replacement. It is also possible to replace the nozzle member with a different size or the like of the opening 75 on the nozzle tip side, or replace the nozzle member with a brush with the brush 7a around it with a nozzle member without the brush 7a. The brush-equipped nozzle member 7 with the brush 7a is suitable for applying hair care agents such as hair dyes and hair cosmetics, skin care agents, and the like to the hair, scalp, and other skin.

なお、本発明は上記実施形態に限定されることなく種々の変更が可能である。
例えば、第１係合孔２４及び第２係合部３１は、第１の筒状体２に、第２の筒状体３を最大限に挿入しない段階において、両者の位置が重なるものであっても良い。また、第２係合部は、第１係合孔と同様に、第１の筒状体を貫通するものであっても良い。また、第１係合孔２４、第２係合部３１及び係合突起１１は、平面視ないし断面形状が矩形状のものに限られず、正方形や円形、三角形等の多様な形状とすることができる。また、第１の筒状体２は、ノズル部材７のようなノズル部材が脱着不可能に結合しているものであっても良い。また、第２の筒状体３は、ガイド溝３２及び／又は傾斜面３３を有しないものであっても良い。 The present invention is not limited to the above-described embodiment, and various modifications can be made.
For example, the first engagement hole 24 and the second engagement portion 31 overlap with each other at the stage where the second tubular body 3 is not inserted into the first tubular body 2 to the maximum extent. May be. Moreover, the 2nd engaging part may penetrate the 1st cylindrical body similarly to the 1st engaging hole. In addition, the first engagement hole 24, the second engagement portion 31, and the engagement protrusion 11 are not limited to a rectangular shape in a plan view or a cross-sectional shape, and may have various shapes such as a square, a circle, and a triangle. it can. Moreover, the 1st cylindrical body 2 may be what the nozzle member like the nozzle member 7 has couple | bonded together so that attachment or detachment is impossible. The second cylindrical body 3 may not have the guide groove 32 and / or the inclined surface 33.

また、所定の操作により内容物を送出可能な容器は、スクイズ可能な外容器と、外容器内に収容された内袋とを有し、外容器をスクイズすることによって、送出口から内袋内の内容物が送出されるようにした２重構造のスクイズ容器であっても良いし、ポンプ式の吐出機構により内容物を送出するポンプ式の吐出容器であっても良い。また、単にチューブを手で押しつぶすことによって内容物が送出口から送出されるチューブ容器であっても良い。
また、本発明の筒状体の連結構造は、容器の送出路に他の部材を固定するための部材に限定されることなく、立ったまま床を清掃可能な掃除具の柄や、つえの柄等、複数の筒状体（筒状パイプ）を軸方向に連結一体化して形成される種々の長尺のロッド状部材における筒状体（筒状パイプ）の連結構造として採用することもできる。 The container capable of delivering the contents by a predetermined operation has an outer container that can be squeezed and an inner bag accommodated in the outer container. By squeezing the outer container, A squeeze container having a double structure that allows the contents to be delivered may be used, or a pump-type discharge container that delivers the contents by a pump-type discharge mechanism. Moreover, the tube container which a content is sent out from a delivery port by simply crushing a tube by hand may be sufficient.
In addition, the connecting structure of the tubular body of the present invention is not limited to a member for fixing other members to the delivery path of the container, and the handle of the cleaning tool that can clean the floor while standing, It can also be employed as a connecting structure of cylindrical bodies (cylindrical pipes) in various long rod-shaped members formed by connecting and integrating a plurality of cylindrical bodies (cylindrical pipes) in the axial direction, such as a handle. .

１ 連結具
１１ 係合突起
１２ 突起支持部
１３ａ 空間
１３ 押圧部
１４ 突起対向部
２ 第１の筒状体
２１ 先端部
２２ 中間部
２３ 接続端部
２４ 第１係合孔
３ 第２の筒状体
３１ 第２係合部
３２ ガイド溝
３３ 傾斜面
４ 容器
４１ 送出路
５ 蓋体
５１ 押圧変形部
５２ シート状の弾性体
５４ 加圧空間
５５ 隔壁
５６ 空間
６ 容器本体
６１ 収容部
６２ 内容物
７ ノズル部材（他の部材） DESCRIPTION OF SYMBOLS 1 Connector 11 Engagement protrusion 12 Protrusion support part 13a Space 13 Press part 14 Protrusion opposing part 2 1st cylindrical body 21 Tip part 22 Intermediate | middle part 23 Connection end part 24 1st engagement hole 3 2nd cylindrical body 31 Second Engagement Section 32 Guide Groove 33 Inclined Surface 4 Container 41 Delivery Path 5 Lid 51 Press Deformation Section 52 Sheet-like Elastic Body 54 Pressurization Space 55 Partition 56 Space 6 Container Body 61 Storage Unit 62 Contents 7 Nozzle Member (Other parts)

Claims (5)

環状の連結具を用いて、第１の筒状体と第２の筒状体とを軸方向に連結一体化させてなる筒状体の連結構造であって、
第１及び第２の筒状体に、第１の筒状体の端部に第２の筒状体を挿入したときに位置が重なる第１係合孔及び第２係合部が形成されており、
第１係合孔は第１の筒状体に形成され、第２係合部は第２の筒状体に形成されており、
前記連結具は、第１係合孔を貫通して第２係合部に係合する係合突起と、第１の筒状体の周方向に延在すると共に前記係合突起を支持する突起支持部と、前記突起支持部の両側に位置し、第１筒状体の外周面との間に空間が形成されるように該外周面から離間して延在する一対の押圧部と、前記一対の押圧部間に位置し、前記突起支持部より肉厚に形成された突起対向部とを有しており、
前記係合突起が、第１係合孔を貫通して第２係合部に係合している状態では、第１の筒状体と第２の筒状体との連結状態が安定に維持される一方、前記一対の押圧部を押圧することにより、前記係合突起の第２係合部に対する係合状態が解除されて、第１の筒状体と第２の筒状体とが分離可能となる、筒状体の連結構造。 A connecting structure of cylindrical bodies formed by connecting and integrating the first cylindrical body and the second cylindrical body in the axial direction using an annular connector,
A first engagement hole and a second engagement portion are formed in the first and second cylindrical bodies, the positions of which overlap when the second cylindrical body is inserted into the end of the first cylindrical body. And
The first engagement hole is formed in the first cylindrical body, the second engagement portion is formed in the second cylindrical body,
The connector includes an engagement protrusion that penetrates the first engagement hole and engages with the second engagement portion, and a protrusion that extends in the circumferential direction of the first cylindrical body and supports the engagement protrusion. A pair of pressing parts located on both sides of the support part and the protrusion support part and extending away from the outer peripheral surface so as to form a space between the outer peripheral surface of the first tubular body; It is located between a pair of pressing parts, and has a protrusion facing part formed thicker than the protrusion support part,
In a state where the engagement protrusion penetrates the first engagement hole and engages with the second engagement portion, the connection state between the first cylindrical body and the second cylindrical body is stably maintained. On the other hand, by pressing the pair of pressing portions, the engagement state of the engagement protrusion with respect to the second engagement portion is released, and the first cylindrical body and the second cylindrical body are separated. A connecting structure of cylindrical bodies that is possible. 第１の筒状体の端部に第２の筒状体を挿入する際に前記係合突起に当接して該係合突起を押し上げる傾斜面が、前記第２の筒状体に形成されている、請求項１記載の筒状体の連結構造。   An inclined surface is formed on the second cylindrical body so as to abut against the engaging protrusion and push up the engaging protrusion when the second cylindrical body is inserted into the end of the first cylindrical body. The connecting structure for cylindrical bodies according to claim 1. 第２の筒状体が、所定の操作により内容物を送出可能な容器の送出路を形成しており、第１の筒状体は、該送出路に他の部材を固定するための部材である、請求項１又は２記載の筒状体の連結構造。   The second cylindrical body forms a delivery path for a container capable of delivering contents by a predetermined operation, and the first cylindrical body is a member for fixing other members to the delivery path. The connection structure of the cylindrical body of Claim 1 or 2. 前記第１の筒状体は、第１の筒状体の軸周りに回転させる操作を含む操作により、前記他の部材を固定可能になされている、請求項３項記載の筒状体の連結構造。   The connection of the cylindrical body according to claim 3, wherein the first cylindrical body is configured to be able to fix the other member by an operation including an operation of rotating the first cylindrical body around an axis of the first cylindrical body. Construction. 前記他の部材が、ノズル部材である、請求項３又は４に記載の筒状体の連結構造。   The connecting structure for cylindrical bodies according to claim 3 or 4, wherein the other member is a nozzle member.
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