JP7163412B2 - Attachment for fitting size adjustment - Google Patents

Attachment for fitting size adjustment Download PDF

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JP7163412B2
JP7163412B2 JP2020561348A JP2020561348A JP7163412B2 JP 7163412 B2 JP7163412 B2 JP 7163412B2 JP 2020561348 A JP2020561348 A JP 2020561348A JP 2020561348 A JP2020561348 A JP 2020561348A JP 7163412 B2 JP7163412 B2 JP 7163412B2
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sleeve
female
size
male
tubular body
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JPWO2020129793A1 (en
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義斗 上村
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Nitto Kohki Co Ltd
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Nitto Kohki Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
    • F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Description

本発明は、相互に嵌合されて連結される雄型継手部材と雌型継手部材からなる管継手において、該雄型継手部材と異なるサイズの雄型継手部材を該雌型継手部材に連結するのを可能とする管継手のサイズ調整用アタッチメントに関する。 The present invention relates to a pipe joint comprising a male joint member and a female joint member that are fitted and connected to each other, wherein the male joint member having a size different from that of the male joint member is connected to the female joint member. and an attachment for adjusting the size of a pipe joint.

例えばある流体の供給配管システムにおいては、流体供給管の（流体吐出）ノズルを、流体供給を受ける側の流体受け入れ口となるレセプタクルに嵌合連結した状態で流体供給を行うようにした供給配管システムがある。この場合のノズル及びレセプタクルは上述した形式の管継手を構成するが、この場合、相互に嵌合される継手部材としてのノズル及びレセプタクルは、相互嵌合に適したサイズ（径寸法）を有し、流体供給を受ける側のレセプタクルが供給側のノズルのサイズに合わない場合には流体供給ができないようになっている。しかし、流体供給を受ける側が供給側のノズルには適合しない異なるサイズのレセプタクルを備える場合もあり、そのような場合でも流体供給ができるようにする方法としては、正規サイズのノズルを備えた流体供給管の他に上記異なるサイズのレセプタクルに適合するサイズのノズルを備えた流体供給管を用意することが考えられる。しかし、そのような方法では供給配管システムの設備費、維持費が高くなってしまう。 For example, in a certain fluid supply piping system, the fluid is supplied in a state in which the (fluid discharge) nozzle of the fluid supply pipe is fitted and connected to a receptacle serving as a fluid receiving port on the side receiving the fluid supply. There is The nozzle and receptacle in this case form a pipe joint of the type described above. If the receptacle on the side receiving the fluid supply does not match the size of the nozzle on the supply side, the fluid cannot be supplied. However, in some cases, the receiving side of the fluid supply may have a different size receptacle that does not fit the nozzle on the supply side. In addition to the tube, it is conceivable to provide a fluid supply tube with nozzles sized to accommodate the different size receptacles. However, such a method increases the equipment cost and maintenance cost of the supply piping system.

別の方法としては、上記リセプタクルの異なるサイズに合わせるためのサイズ調整用アッタチメント（アダプター）を用いる方法がある。例えば、特許文献１はそのようなアタッチメントを開示している。しかし、このアタッチメントはそれを構成するためのエレメントを、供給側ノズルに組み付けしてねじ式に固定するものであり、取付け取外しを迅速に行うことはできない。 Another method is to use sizing attachments (adapters) to fit different sizes of the receptacle. For example, US Pat. However, in this attachment, the elements constituting the attachment are assembled to the nozzle on the supply side and fixed by screwing, and it is not possible to quickly attach and detach the attachment.

実開平６－１４６７３号公報Japanese Utility Model Laid-Open No. 6-14673

本発明は、以上に述べた点を考慮し、異なるサイズのレセプタクルなどの管継手部材をノズルなどの他方の管継手部材に連結する場合に迅速にできるようにするための管継手のサイズ調整用アタッチメントを提供することを目的としている。 SUMMARY OF THE INVENTION In view of the foregoing, the present invention provides a method for adjusting the size of a pipe fitting so as to permit rapid coupling of different sized pipe fitting members, such as receptacles, to other pipe fitting members, such as nozzles. Intended to provide attachments.

すなわち、本発明では
相互に嵌合されて連結される雄型継手部材と雌型継手部材からなる管継手において、該雄型継手部材と異なるサイズの雄型継手部材を該雌型継手部材に連結するのを可能とする管継手のサイズ調整用アタッチメントであって、
一端に管継手の雌型継手部材に受け入れられるように形状づけられた筒状の雄型部及び他端に該管継手の該雌型継手部材に嵌合される雄型継手部材とは異なるサイズの雄型継手部材を受け入れるように形状づけられた筒状の雌型部を有する筒状本体であって、該筒状本体の半径方向に貫通するように設けられ施錠子を半径方向で変位可能に保持する施錠子用孔を有する筒状本体と、
該筒状本体の外周面上を該筒状本体の長手軸線方向で摺動可能とされたスリーブであって、該施錠子に半径方向外側から係合して該施錠子が、該雌型部内に挿入された該異なるサイズの雄型継手部材に係合し、該異なるサイズの雄型継手部材が該雌型部内から外側に変位するのを阻止する施錠位置と、該施錠位置よりも該一端側に変位されて該施錠子が半径方向外側に変位可能とし、該異なるサイズの雄型継手部材が該雌型部内から外に変位できるようにする解錠位置との間で変位可能とされているスリーブと、
を有する管継手のサイズ調整用アタッチメントを提供する。That is, in the present invention, in a pipe joint comprising a male joint member and a female joint member that are fitted and connected to each other, a male joint member having a size different from that of the male joint member is connected to the female joint member. A pipe fitting sizing attachment that enables
A cylindrical male part configured at one end to be received in the female fitting member of the pipe fitting and at the other end different in size from the male fitting member fitted to the female fitting member of the pipe fitting. a tubular body having a tubular female portion configured to receive the male coupling member of a radially displaceable lock member extending radially through the tubular body; a tubular body having a hole for a lock that is held in the
A sleeve slidable on the outer peripheral surface of the tubular body in the longitudinal axis direction of the tubular body, the sleeve being engaged with the locking element from the radially outer side so that the locking element is inserted into the female mold portion. a locking position for engaging the different sized male coupling member inserted into the female mold section and preventing the different sized male coupling member from being displaced outwardly from within the female mold section; laterally displaced to allow the lock member to be displaced radially outwardly and the differently sized male coupling member to be displaced out of the female section. a sleeve with
To provide an attachment for adjusting the size of a pipe fitting having

このサイズ調整用アタッチメントにおいては、該施錠位置にある該スリーブは、該雄型部に連結された該雌型継手部材に係合して該解錠位置に変位するのを阻止されるようにすることができる。該雌型継手部材を該雌型部から外さない状態においては、該雌型部に嵌合されている該異なるサイズの雄型継手部材が外れないようにするものである。 In this size adjustment attachment, the sleeve in the locked position is prevented from displacing to the unlocked position by engaging the female joint member connected to the male part. be able to. In a state in which the female joint member is not removed from the female mold portion, the male joint members of different sizes fitted to the female mold portion are prevented from coming off.

またこのサイズ調整用アタッチメンにおいては、該筒状本体に取り付けられて該筒状の雄型部の半径方向外側位置を同心状に該長手軸線方向に延び当該管継手のサイズ調整用アタッチメントの使用者による把持が可能とされた筒状把持部を有するようにすることができる。該スリーブを操作するのに該筒状把持部をもって行えるようにしてスリーブ操作をしやすくするものである。
In addition, in this size adjustment attachment, a size adjustment attachment for the pipe joint is used, which is attached to the tubular body and extends concentrically in the radially outer position of the tubular male part in the longitudinal axis direction. It may have a cylindrical grip that can be gripped by a person. The sleeve can be easily manipulated by using the cylindrical grip to operate the sleeve.

この場合、該筒状把持部が半径方向で貫通し該長手軸線方向で延びるスリットを有し、該スリーブが、該スリーブから該スリットの半径方向内側まで延びる係止用部材を有し、該係止用部材は、該雌型部に連結された該雄型継手部材に係合して該スリーブが該解錠位置に変位するのを阻止するようにすることができる。
In this case, the tubular gripping portion has a slit extending radially therethrough and extending along the longitudinal axis, the sleeve has a locking member extending from the sleeve to the radially inner side of the slit, A locking member may engage the male coupling member coupled to the female portion to prevent displacement of the sleeve to the unlocked position.

以上に述べたサイズ調整用アタッチメントにおいては、該筒状本体が、該施錠子用孔よりも該筒状本体の該一端側で半径方向に貫通するように設けられスリーブ保持子を半径方向で変位可能に保持するスリーブ保持子用孔を有するようにし、該スリーブが該解錠位置にあるときで該異なるサイズの雄型継手部材が該筒状の雌型部内に嵌合されていないときは、該スリーブ保持子が該筒状本体の外側に部分的に突出するようにされた該スリーブ保持子によって該スリーブが該施錠位置に変位するのを阻止されるようにすることができる。 In the size adjusting attachment described above, the cylindrical body is provided so as to penetrate in the radial direction at the one end side of the cylindrical body relative to the locking member hole, thereby displacing the sleeve retainer in the radial direction. a retaining sleeve retainer aperture for enabling retention when the sleeve is in the unlocked position and the different size male coupling member is not fitted within the tubular female portion; The sleeve may be prevented from being displaced to the locking position by the sleeve retainer that partially protrudes outside the tubular body.

具体的には、該筒状本体内に設けられ該スリーブ保持子に半径方向内側から係合して、該スリーブ保持子を該筒状本体の外側に部分的に突出するようにして該解錠位置にある該スリーブが該施錠位置に変位するのを阻止する変位阻止位置と、該変位阻止位置から該一端方向に押し込まれて該スリーブ保持子が半径方向内側に変位して該スリーブが該施錠位置に変位するのを許容する変位許容位置との間で変位可能とされたスリーブ保持子係合部材を有するようにすることができる。 Specifically, the sleeve retainer provided in the tubular body is engaged with the sleeve retainer from the inside in the radial direction so that the sleeve retainer partially protrudes outside the tubular body to unlock the lock. a displacement preventing position for preventing the sleeve from being displaced to the locking position from the displacement preventing position; It may have a sleeve retainer engaging member that is displaceable between a displaceable position that allows displacement to a position.

この場合、該スリーブ保持子係合部材を該変位許容位置から該変位阻止位置に向けて付勢する第１の付勢部材と、該スリーブを該解錠位置から該施錠位置に向けて付勢する第２の付勢部材とを有するようにすることができる。このようにすることにより、異なるサイズの雄型継手部材が該雌型部内に挿入嵌合されたときに、該スリーブ保持係合部材が該変位阻止位置から該辺許容位置に変位されて、該スリーブが第２の付勢部材によって該解錠位置から該施錠位置に自動的に変位されるようにすることができる。 In this case, a first biasing member biases the sleeve retainer engaging member from the displacement-allowing position toward the displacement-preventing position, and a first biasing member biases the sleeve from the unlocked position toward the locked position. and a second biasing member. By doing so, when a male joint member of a different size is inserted and fitted into the female mold portion, the sleeve holding engaging member is displaced from the displacement blocking position to the side allowing position. The sleeve may be automatically displaced from the unlocked position to the locked position by a second biasing member.

以下、本発明に係る管継手のサイズ調整用アタッチメントの実施形態を添付図面に基づき説明する。 BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a size adjusting attachment for a pipe joint according to the present invention will be described below with reference to the accompanying drawings.

図１は本発明に係るサイズ調整用アタッチメント、該サイズ調整用アタッチメントを使用する管継手の雌型継手部材及び該サイズ調整用アタッチメントを用いて該雌型継手部材に連結される該管継手の雄型継手部材とは異なるサイズの雄型継手部材を、それらが連結される前の位置関係で示した図であり、該サイズ調整用アタッチメント、該雌型継手部材及び該異なるサイズの雄型継手部材が縦断面図で示されている。FIG. 1 shows a size adjusting attachment according to the present invention, a female joint member of a pipe joint using the size adjusting attachment, and a male pipe joint connected to the female joint member using the size adjusting attachment. Fig. 10 is a view showing a male joint member of a size different from a type joint member in a positional relationship before they are connected, the size adjusting attachment, the female joint member and the male joint member of a different size; is shown in longitudinal section. 図２は該異なるサイズの雄型継手部材を該雌型継手部材に連結する場合に最初に行われるステップとして該サイズ調整用アタッチメントを該異なるサイズの雄型継手部材に嵌合連結した状態を示す縦断面図である。FIG. 2 shows a state in which the size-adjusting attachment is fitted and connected to the different-sized male joint member as the first step in connecting the different-sized male joint member to the female joint member. It is a longitudinal cross-sectional view. 図３は図２の状態とした該異なるサイズの雄型継手部材を該雌型継手部材に連結した状態を示す縦断面図であり、該管継手の管路内にまだ流体が流されておらず流体圧がかけられていない状態を示す。FIG. 3 is a vertical cross-sectional view showing a state in which the male joint members of different sizes are connected to the female joint member in the state of FIG. indicates a state in which no fluid pressure is applied. 図４は図３と同様の縦断面図であるが、該管路内に流体が流されて流体圧がかけられている状態を示す。FIG. 4 is a longitudinal cross-sectional view similar to FIG. 3, but showing a state in which fluid is caused to flow through the conduit and fluid pressure is applied.

図１では、（図示しない）流体受け入れ側の所定のサイズのレセプタクル（雄型継手部材)を受け入れて連結される流体供給源側のノズル（雌型継手部材：図においてはその先端のみを示す）１０に対し、該所定のサイズとは異なるサイズのレセプタクル（雄型継手部材：図においてはその先端のみを示す）１２を連結するためのサイズ調整用アタッチメント１４が示されている。 In FIG. 1, a nozzle (female joint member: only the tip thereof is shown in the figure) on the fluid supply source side that is connected to receive a receptacle (male joint member) of a predetermined size (not shown) on the fluid receiving side. 10, a size adjusting attachment 14 for connecting a receptacle (male joint member: only the tip thereof is shown in the figure) 12 of a size different from the predetermined size is shown.

ノズル１０は、流体通路２０を有するノズル本体２２と、バルブ２４と、ノズル本体２２に固定され該バルブ２４を該流体通路２０の長手軸線方向で変位可能に支持する筒状のバルブ支持部材２６と、コレットチャック部材２８と、該バルブ支持部材２６の外周面に固定されて前方（図面の右方）に延び該コレットチャック部材２８を図１に示す受入位置と図３及び図４に示す締付位置との間で変位可能に支持する筒状のチャック支持部材３０と、該コレットチャック部材２８が受入位置になるのを許容するチャック解放位置と、該コレットチャック部材２８を締付位置に抑え込むチャック抑込位置との間を該流体通路２０の長手軸線方向で変位可能なチャック抑えスリーブ３２と、該ノズル本体２２に設けられた該流体通路２０から半径方向に延びる貫通孔３３内に変位可能に取り付けられ、該流体通路２０内の流体圧が増大すると半径方向外側に動いてチャック抑えスリーブ３２と係合して該チャック抑込位置に施錠する該スリーブ施錠位置（図４）となるスリーブ施錠部材３４と、該バルブ２４に固定されて該コレットチャック部材２８に半径方向内側から係合してコレットチャック部材２８を受入位置（図１）とする前進位置と、該バルブ２４とともに後方（図面の左方）に変位されて該コレットチャック部材２８が締付位置となるのを許容する後退位置との間で変位可能なチャック操作部材３６とを有している。 The nozzle 10 includes a nozzle body 22 having a fluid passage 20, a valve 24, and a tubular valve support member 26 fixed to the nozzle body 22 and supporting the valve 24 so as to be displaceable in the longitudinal axis direction of the fluid passage 20. , a collet chuck member 28 fixed to the outer peripheral surface of the valve support member 26 and extending forward (to the right in the drawing) so as to move the collet chuck member 28 from the receiving position shown in FIG. 1 to the clamping position shown in FIGS. a chuck release position that allows the collet chuck member 28 to be in the receiving position; and a chuck that holds the collet chuck member 28 in the tightening position. a chuck restraining sleeve 32 displaceable in the longitudinal axis direction of the fluid passage 20 between a restrained position and a through hole 33 radially extending from the fluid passage 20 provided in the nozzle body 22; A sleeve locking member mounted to move radially outwardly to engage and lock the chuck restraining sleeve 32 in the sleeve locking position (FIG. 4) when the fluid pressure in the fluid passage 20 increases. 34, an advanced position fixed to the valve 24 and engaged with the collet chuck member 28 from the radially inner side so that the collet chuck member 28 is in a receiving position (FIG. 1); direction) to allow the collet chuck member 28 to come to the clamping position and a retracted position.

ノズル１０内に、上述の図示しない所定のサイズのレセプタクル、又は該サイズ調整用アタッチメント１４の後述する雄型部４０が挿入されると、該バルブ２４及び該チャック操作部材３６が図１の位置から後方へ押し込まれ、該コレットチャック部材２８が締付位置となって挿入されたレセプタクル又は該雄型部４０と係合すると共に、当該バルブ２４の半径方向通路２４ａが開放されて該バルブ２４の軸線方向通路２４ｂを通して流体が流れるようにされ、当該ノズル１０の流体通路２０が開放されるようになっている（図３、図４)。 When the receptacle of the predetermined size (not shown) or the male part 40 of the size adjusting attachment 14 (to be described later) is inserted into the nozzle 10, the valve 24 and the chuck operating member 36 are moved from the position shown in FIG. Pushed rearwardly, the collet chuck member 28 is in a clamping position and engages the inserted receptacle or the male part 40, and the radial passage 24a of the valve 24 is opened so that the axis of the valve 24 is pushed. Fluid is allowed to flow through the directional passage 24b so that the fluid passage 20 of the nozzle 10 is open (FIGS. 3 and 4).

該レセプタクル１２は、該ノズル１０との結合に適合するサイズとは異なるより大きなサイズのものとなっており、サイズ調整用アタッチメント１４は、この異なるサイズのレセプタクル１２を該ノズル１０に連結できるようにするものである。すなわち、該サイズ調整用アタッチメント１４は一端（図における左端）に該ノズル１０に受け入れられるように形状づけられた筒状の雄型部４０及び他端(図における右端)に上記異なるサイズのレセプタクル１２を受け入れるように形状づけられた筒状の雌型部４２を有する筒状本体４４であって、該筒状本体４４の半径方向に貫通するように設けられ施錠子４６を半径方向で変位可能に保持する施錠子用孔４８を有する筒状本体４４と、該筒状本体４４の外周面上を該筒状本体４４の長手軸線方向で摺動可能とされたスリーブ５０であって、該施錠子４６に半径方向外側から係合して該施錠子４６が、該雌型部４２内に挿入された該異なるサイズのレセプタクル１２に係合し、該レセプタクル１２が該雌型部４２内から外側に変位するのを阻止する施錠位置（図２～図４）と、該施錠位置よりも該一端側（図における左端側）に変位されて該施錠子４６が半径方向外側に変位可能とし、該レセプタクル１２が該雌型部４２内から外に変位できるようにする解錠位置（図１）との間で変位可能とされているスリーブ５０とを有する。図において、４０ａは締付位置とされた該コレットチャック部材２８を受け入れる係止凹部、１２ａは施錠位置となった該スリーブ５０によって半径方向内側に押し付けられた該施錠子４６を受け入れる係止凹部を示す。
The receptacle 12 is of a larger size than is compatible with the nozzle 10, and the sizing attachment 14 is adapted to connect the different size receptacle 12 to the nozzle 10. It is something to do. That is, the size adjusting attachment 14 has a cylindrical male part 40 shaped to be received in the nozzle 10 at one end (left end in the drawing) and the receptacle 12 of the different size at the other end (right end in the drawing). a tubular body (44) having a tubular female portion (42) shaped to receive a lock member (46) radially displaceable through the tubular body (44). A tubular body 44 having a hole 48 for holding a lock, and a sleeve 50 slidable on the outer peripheral surface of the tubular body 44 in the longitudinal axis direction of the tubular body 44, wherein the lock is 46 from the radially outer side to engage the different sized receptacles 12 inserted into the female section 42, and the receptacles 12 extend outward from within the female section 42. a locking position (FIGS. 2 to 4) that prevents displacement, and a position that is displaced to the one end side (left end side in the drawing) of the locking position so that the lock piece 46 can be displaced radially outward, and the receptacle and a sleeve 50 that is displaceable between an unlocked position (FIG. 1) that permits displacement of the female portion 42 out of the female portion 42 . In the figure, 40a is a locking recess for receiving the collet chuck member 28 in the tightening position, and 12a is a locking recess for receiving the locking element 46 pressed radially inward by the sleeve 50 in the locking position. show.

サイズ調整用アタッチメント１４は更に、該筒状本体４４に取り付けられて該雄型部４０の半径方向外側位置を同心状に長手軸線方向に延び当該サイズ調整用アタッチメント１４の使用者によって把持可能とされた筒状把持部５２を有している。該筒状把持部５２は該筒状把持部５２に半径方向で貫通するように設けられ長手軸線方向で延びるスリット５３を有し、該スリーブ５０には半径方向内側に延びて該スリット５３を挿通し略雄型部４０の外表面に至る細長い係止用部材５６が設けられており、係止用部材５６はスリーブ５０が施錠位置と解錠位置との間で変位するときに該スリット５３に沿って変位するようになっている。図示の例では、該スリーブ５０が図２～図４に示す施錠位置にあるときに、該ノズル１０の方向に面する筒状本体４４の半径方向面４４ｂに当接するようにされている。 A sizing attachment 14 is further attached to the tubular body 44 and extends longitudinally concentrically radially outwardly of the male section 40 and is grippable by a user of the sizing attachment 14 . It has a cylindrical grip portion 52 . The tubular gripping portion 52 has a slit 53 extending radially through the tubular gripping portion 52 and extending in the longitudinal direction, and extending radially inwardly through the slit 53 in the sleeve 50 . However, an elongate locking member 56 is provided that extends to the outer surface of the generally male portion 40 and engages the slit 53 when the sleeve 50 is displaced between the locked and unlocked positions. It is designed to be displaced along the In the example shown, the sleeve 50 is adapted to abut against a radial surface 44b of the tubular body 44 facing towards the nozzle 10 when in the locked position shown in FIGS.

該筒状本体４４には更に、該施錠子用孔４８よりも該筒状本体４４の上記一端側（図における左端側）で半径方向に貫通するように設けられスリーブ保持子５４を半径方向で変位可能に保持するスリーブ保持子用孔５７を有している。該スリーブ５０が該解錠位置にあるときで該レセプタクル１２を該雌型部４２内に受け入れていないときは（図１）、該スリーブ保持子５４が該筒状本体４４の外側に部分的に突出するようにされて該スリーブ５０の内周面に設けられた係止凹部５０ａに係合し該スリーブ５０が該施錠位置（図２～図４）に変位するのを阻止するようにされている。図示の例では、該筒状本体４４内にスリーブ保持子係合部材５８が設けられており、該スリーブ保持子５４に半径方向内側から係合して該スリーブ保持子５４を該筒状本体４４の外側に部分的に突出するようにして該解錠位置にある該スリーブ５０が該施錠位置に変位するのを阻止する変位阻止位置と、該変位阻止位置から（図で見て左側に）押し込まれて該スリーブ保持子５４が半径方向内側に変位して該スリーブ５０が該施錠位置（図２～図４）に変位するのを許容する変位許容位置との間で変位可能とされている。該スリーブ保持子係合部材５８は該筒状本体４４に設けられている軸線方向流体通路４４ａと連通している軸線方向流体通路５８ａを有している。 The cylindrical body 44 is further provided with a sleeve retainer 54 radially penetrating on the one end side (the left end side in the drawing) of the cylindrical body 44 relative to the locking member hole 48 . It has a sleeve retainer hole 57 that retains it displaceably. When the sleeve 50 is in the unlocked position and the receptacle 12 is not received within the female portion 42 (FIG. 1), the sleeve retainer 54 extends partially outwardly of the tubular body 44. It is designed to protrude and engage with a locking recess 50a provided on the inner peripheral surface of the sleeve 50 to prevent the sleeve 50 from being displaced to the locking position (FIGS. 2 to 4). there is In the illustrated example, a sleeve retainer engaging member 58 is provided within the tubular body 44 and engages the sleeve retainer 54 from the radially inner side to move the sleeve retainer 54 to the tubular body 44 . a displacement blocking position for preventing the sleeve 50 from being displaced from the unlocking position to the locking position by partially protruding outside the sleeve 50; The sleeve retainer 54 is displaceable radially inwardly to displace the sleeve 50 to the locking position (FIGS. 2 to 4). The sleeve retainer engaging member 58 has an axial fluid passage 58a communicating with an axial fluid passage 44a provided in the tubular body 44. As shown in FIG.

図示の例では、該サイズ調整用アタッチメント１４には、該スリーブ５０を図１に示す解錠位置から図２～図４に示す施錠位置に向けて付勢する付勢部材（コイルバネ）６０、及びスリーブ保持子係合部材５８を図１に示す変位阻止位置から図２～図４に示す変位許容位置に向けて付勢する付勢部材（コイルバネ）６２が設けられており、また、該ノズル１０には、該チャック抑えスリーブ３２を図１に示すチャック解放位置から図３～図４に示すチャック抑込位置に付勢する付勢部材（コイルバネ）６４及び該チャック操作部材３６を図３～図４に示す後退位置から図１に示す前進位置に向けて付勢する付勢部材（コイルバネ）６６が設けられている。 In the illustrated example, the size adjustment attachment 14 includes a biasing member (coil spring) 60 that biases the sleeve 50 from the unlocked position shown in FIG. 1 toward the locked position shown in FIGS. A biasing member (coil spring) 62 is provided to bias the sleeve retainer engaging member 58 from the displacement blocking position shown in FIG. 1 toward the displacement allowing position shown in FIGS. 3 and 4, an urging member (coil spring) 64 for urging the chuck holding sleeve 32 from the chuck releasing position shown in FIG. 1 to the chuck holding position shown in FIGS. A biasing member (coil spring) 66 is provided to bias from the retracted position shown in FIG. 4 toward the forward position shown in FIG.

該サイズ調整用アタッチメント１４を用いて該異なるサイズのレセプタクル１２を該ノズル１０に連結する場合には、当該サイズ調整用アタッチメント１４の使用者が先ず該筒状把持部５２を把持して該筒状本体４４の該雌型部４２を該レセプタクル１２に嵌合する（図２)。これにより、該スリーブ保持子係合部材５８が図２～図４に示す変位許容位置に押し込まれ該スリーブ５０が図２～図４に示す施錠位置となり、該レセプタクル１２と該サイズ調整用アタッチメント１４との連結がなされる（図２）。次に該サイズ調整用アタッチメント１４の該雄型部４０を該ノズル１０に嵌合する。これにより、該ノズル１０の該バルブ２４は後退位置に押し込まれ、該チャック操作部材３６が図３～図４に示す後退位置となり、該チャック抑えスリーブ３２が図３～図４に示すチャック抑込位置となり、該コレットチャック部材２８が締付位置となり該サイズ調整用アタッチメント１４と該ノズル１０とが連結される。この状態において、図示しない流体供給源側のバルブを開放すると、流体が該ノズル１０、該サイズ調整用アタッチメント１４を介して該レセプタクル１２側に流れる。これにより該スリーブ施錠部材３４は流体圧により図４に示すスリーブ施錠位置とされ、該チャック抑えスリーブ３２と係合して該チャック抑えスリーブ３２が図で見て左方に動きチャック解放位置となるのを阻止する（図４)。また、この状態においては、該チャック支持部材３０の先端部（図で見て右端部）３０ａが該サイズ調整用アタッチメント１４の該スリーブ５０から延びる係止用部材５６に係合しており、流体供給源側からの流体が流されている状態においては、該チャック抑えスリーブ３２が図４に示すチャック抑込位置に保持され、従って、該スリーブ５０が図１に示す解錠位置に変位するのが阻止される。 When connecting the receptacles 12 of different sizes to the nozzle 10 using the size adjustment attachment 14, the user of the size adjustment attachment 14 first grips the tubular grip portion 52 to hold the tubular shape. The female portion 42 of body 44 is fitted into the receptacle 12 (FIG. 2). As a result, the sleeve retainer engaging member 58 is pushed into the displacement permitting position shown in FIGS. (Fig. 2). Next, the male part 40 of the size adjusting attachment 14 is fitted to the nozzle 10 . As a result, the valve 24 of the nozzle 10 is pushed into the retracted position, the chuck operating member 36 is in the retracted position shown in FIGS. The collet chuck member 28 becomes the clamping position, and the size adjusting attachment 14 and the nozzle 10 are connected. In this state, when a valve (not shown) on the fluid supply source side is opened, the fluid flows through the nozzle 10 and the size adjusting attachment 14 to the receptacle 12 side. As a result, the sleeve locking member 34 is brought to the sleeve locking position shown in FIG. 4 by the fluid pressure, and engages with the chuck restraining sleeve 32 so that the chuck restraining sleeve 32 moves leftward as viewed in the figure to the chuck releasing position. (Fig. 4). Also, in this state, the distal end portion (the right end portion in the drawing) 30a of the chuck support member 30 is engaged with the locking member 56 extending from the sleeve 50 of the size adjustment attachment 14, and the fluid is When the fluid from the supply source is flowing, the chuck restraining sleeve 32 is held at the chuck restraining position shown in FIG. 4, so that the sleeve 50 is displaced to the unlocking position shown in FIG. is blocked.

連結されている該ノズル１０から該レセプタクル１２を外す場合には、先ず、流体供給源側の図示しないバルブを閉じて流体の供給を停止する。これにより該スリーブ施錠部材３４は半径方向内側に変位可能となるので該チャック抑えスリーブ３２を図４のチャック抑込位置から図１に示すチャック解放位置に動かして該ノズル１０を該サイズ調整用アタッチメント１４から外す。次に該サイズ調整用アタッチメント１４の該スリーブ５０を図１に示す解錠位置とし、該サイズ調整用アタッチメント１４を該レセプタクル１２から外す。 When removing the receptacle 12 from the connected nozzle 10, first, the valve (not shown) on the fluid supply source side is closed to stop the supply of fluid. As a result, the sleeve locking member 34 can be displaced radially inward, so that the chuck restraining sleeve 32 is moved from the chuck restraining position shown in FIG. 4 to the chuck releasing position shown in FIG. Remove from 14. The sleeve 50 of the sizing attachment 14 is then brought to the unlocked position shown in FIG. 1 to remove the sizing attachment 14 from the receptacle 12 .

本発明に係る管継手のサイズ調整用アタッチメント１４の一実施形態は以上の通りであるが、本発明はこれに限定されるものではない。例えば、スリーブ保持子５４はサイズ調整用アタッチメント１４をレセプタクル１２に嵌合することにともないスリーブ５０が自動的に施錠位置となり施錠子４６を施錠位置としてサイズ調整用アタッチメント１４をレセプタクル１２に自動的に連結するためのものであるが、スリーブ５０の操作は手動で行うことも可能であり、従って、スリーブ保持子５４は必須のものではない。また筒状把持部５２はサイズ調整用アタッチメント１４の操作を容易にするためのものであり、これも必須のものではない。本発明は請求項１に規定の内容を基本的構成とするものであり種々の変形が可能である。 An embodiment of the attachment 14 for adjusting the size of a pipe joint according to the present invention is as described above, but the present invention is not limited to this. For example, when the size adjusting attachment 14 is fitted into the receptacle 12, the sleeve retainer 54 automatically moves the sleeve 50 to the locking position and the locking member 46 to the locking position to automatically move the size adjusting attachment 14 to the receptacle 12. Although used for coupling, the sleeve retainer 54 is not essential since the sleeve 50 can be operated manually. Further, the cylindrical grip portion 52 is for facilitating the operation of the size adjusting attachment 14, and is not essential either. The present invention is based on the content defined in claim 1, and various modifications are possible.

ノズル（雌型継手部材）１０
異なるサイズのレセプタクル (雄型継手部材)１２
サイズ調整用アタッチメント１４
流体通路２０
ノズル本体２２
バルブ２４
半径方向通路２４ａ
軸線方向通路２４ｂ
バルブ支持部材２６
コレットチャック部材２８
チャック支持部材３０
チャック抑えスリーブ３２
スリーブ施錠部材３４
チャック操作部材３６
雄型部４０
雌型部４２
筒状本体４４
軸線方向流体通路４４ａ
半径方向面４４ｂ
施錠子４６
施錠子用孔４８
スリーブ５０
係止凹部５０ａ
筒状把持部５２
スリット５３
スリーブ保持子５４
係止用部材５６
スリーブ保持子用孔５７
スリーブ保持子係合部材５８
軸線方向流体通路５８ａ
付勢部材（コイルバネ）６０、６２，６４、６６Nozzle (female joint member) 10
12 different size receptacles (male fittings)
Size adjustment attachment 14
fluid passage 20
Nozzle body 22
valve 24
Radial passage 24a
Axial passage 24b
valve support member 26
Collet chuck member 28
Chuck support member 30
Chuck holding sleeve 32
sleeve locking member 34
Chuck operating member 36
male part 40
female part 42
tubular body 44
Axial fluid passage 44a
Radial surface 44b
lock 46
Locking hole 48
sleeve 50
Lock recess 50a
Cylindrical grip portion 52
slit 53
sleeve retainer 54
Locking member 56
Hole 57 for sleeve retainer
Sleeve retainer engaging member 58
Axial fluid passage 58a
Biasing members (coil springs) 60, 62, 64, 66

Claims (7)

相互に嵌合されて連結される雄型継手部材と雌型継手部材からなる管継手において、該雄型継手部材と異なるサイズの雄型継手部材を該雌型継手部材に連結するのを可能とする管継手のサイズ調整用アタッチメントであって、
一端に管継手の雌型継手部材に受け入れられるように形状づけられた筒状の雄型部及び他端に該管継手の該雌型継手部材に嵌合される雄型継手部材とは異なるサイズの雄型継手部材を受け入れるように形状づけられた筒状の雌型部を有する筒状本体であって、該筒状本体の半径方向に貫通するように設けられ施錠子を半径方向で変位可能に保持する施錠子用孔を有する筒状本体と、
該筒状本体の外周面上を該筒状本体の長手軸線方向で摺動可能とされたスリーブであって、該施錠子に半径方向外側から係合して該施錠子が、該雌型部内に挿入された該異なるサイズの雄型継手部材に係合し、該異なるサイズの雄型継手部材が該雌型部内から外側に変位するのを阻止する施錠位置と、該施錠位置よりも該一端側に変位されて該施錠子が半径方向外側に変位可能とし、該異なるサイズの雄型継手部材が該雌型部内から外に変位できるようにする解錠位置との間で変位可能とされているスリーブと、
を有し、
該施錠位置にある該スリーブは、該雄型部に連結された該雌型継手部材に係合して該解錠位置に変位するのを阻止されるようにした、管継手のサイズ調整用アタッチメント。 A pipe joint comprising a male joint member and a female joint member that are fitted and connected to each other, wherein a male joint member having a size different from that of the male joint member can be connected to the female joint member. An attachment for adjusting the size of a pipe joint that
A cylindrical male part configured at one end to be received in the female fitting member of the pipe fitting and at the other end different in size from the male fitting member fitted to the female fitting member of the pipe fitting. a tubular body having a tubular female portion configured to receive the male coupling member of a radially displaceable lock member extending radially through the tubular body; a tubular body having a hole for a lock that is held in the
A sleeve slidable on the outer peripheral surface of the tubular body in the longitudinal axis direction of the tubular body, the sleeve being engaged with the locking element from the radially outer side so that the locking element is inserted into the female mold portion. a locking position for engaging the different sized male coupling member inserted into the female mold section and preventing the different sized male coupling member from being displaced outwardly from within the female mold section; laterally displaced to allow the lock member to be displaced radially outwardly and the differently sized male coupling member to be displaced out of the female section. a sleeve with
has
An attachment for adjusting the size of a pipe fitting, wherein the sleeve in the locked position engages the female fitting member connected to the male part and is prevented from being displaced to the unlocked position. . 該筒状本体に取り付けられて該雄型部の半径方向外側位置を同心状に該長手軸線方向に延び当該管継手のサイズ調整用アタッチメントの使用者による把持が可能とされた筒状把持部を有する請求項１に記載の管継手のサイズ調整用アタッチメント。 a tubular gripping part attached to the tubular body and extending in the longitudinal axis direction concentrically with the radially outer position of the male part so that a user can grip the attachment for adjusting the size of the pipe joint; The attachment for adjusting the size of the pipe joint according to claim 1 . 相互に嵌合されて連結される雄型継手部材と雌型継手部材からなる管継手において、該雄型継手部材と異なるサイズの雄型継手部材を該雌型継手部材に連結するのを可能とする管継手のサイズ調整用アタッチメントであって、 A pipe joint comprising a male joint member and a female joint member that are fitted and connected to each other, wherein a male joint member having a size different from that of the male joint member can be connected to the female joint member. An attachment for adjusting the size of a pipe joint that
一端に管継手の雌型継手部材に受け入れられるように形状づけられた筒状の雄型部及び他端に該管継手の該雌型継手部材に嵌合される雄型継手部材とは異なるサイズの雄型継手部材を受け入れるように形状づけられた筒状の雌型部を有する筒状本体であって、該筒状本体の半径方向に貫通するように設けられ施錠子を半径方向で変位可能に保持する施錠子用孔を有する筒状本体と、 A cylindrical male part configured at one end to be received in the female fitting member of the pipe fitting and at the other end different in size from the male fitting member fitted to the female fitting member of the pipe fitting. a tubular body having a tubular female portion configured to receive the male coupling member of a radially displaceable lock member extending radially through the tubular body; a tubular body having a hole for a lock that is held in the
該筒状本体の外周面上を該筒状本体の長手軸線方向で摺動可能とされたスリーブであって、該施錠子に半径方向外側から係合して該施錠子が、該雌型部内に挿入された該異なるサイズの雄型継手部材に係合し、該異なるサイズの雄型継手部材が該雌型部内から外側に変位するのを阻止する施錠位置と、該施錠位置よりも該一端側に変位されて該施錠子が半径方向外側に変位可能とし、該異なるサイズの雄型継手部材が該雌型部内から外に変位できるようにする解錠位置との間で変位可能とされているスリーブと、 A sleeve slidable on the outer peripheral surface of the tubular body in the longitudinal axis direction of the tubular body, the sleeve being engaged with the locking element from the radially outer side so that the locking element is inserted into the female mold portion. a locking position for engaging the different sized male coupling member inserted into the female mold section and preventing the different sized male coupling member from being displaced outwardly from within the female mold section; laterally displaced to allow the lock member to be displaced radially outwardly and the differently sized male coupling member to be displaced out of the female section. a sleeve with
を有し、 has
該筒状本体に取り付けられて該雄型部の半径方向外側位置を同心状に該長手軸線方向に延び当該管継手のサイズ調整用アタッチメントの使用者による把持が可能とされた筒状把持部を有する、管継手のサイズ調整用アタッチメント。 a tubular gripping part attached to the tubular body and extending in the longitudinal axis direction concentrically with the radially outer position of the male part so that a user can grip the attachment for adjusting the size of the pipe joint; An attachment for adjusting the size of a pipe joint. 該筒状把持部が半径方向で貫通し該長手軸線方向で延びるスリットを有し、
該スリーブが、該スリーブから該スリットの半径方向内側まで延びる係止用部材を有し、
該係止用部材は、該雄型部に連結された該雌型継手部材に係合して該スリーブが該解錠位置に変位するのを阻止するようにした請求項２又は３に記載の管継手のサイズ調整用アタッチメント。 the tubular gripping portion having a slit radially therethrough and extending along the longitudinal axis;
the sleeve having a locking member extending from the sleeve radially inwardly of the slit;
4. The locking member according to claim 2 or 3, wherein the locking member engages the female joint member connected to the male section to prevent the sleeve from being displaced to the unlocking position. Attachment for size adjustment of pipe fittings. 該筒状本体が、該施錠子用孔よりも該一端側で半径方向に貫通するように設けられスリーブ保持子を半径方向で変位可能に保持するスリーブ保持子用孔を有しており、
該スリーブが該解錠位置にあるときで該異なるサイズの雄型継手部材が該筒状の雌型部内に受け入れられていないときは、該スリーブ保持子が該筒状本体の外側に部分的に突出するようにされて該スリーブが該施錠位置に変位するのを阻止されるようにされている請求項１乃至４の何れか一項に記載の管継手のサイズ調整用アタッチメント。 The cylindrical body has a sleeve retainer hole that radially penetrates through the one end side of the lock hole and holds the sleeve retainer so as to be displaceable in the radial direction,
When the sleeve is in the unlocked position and the differently sized male coupling member is not received within the tubular female portion, the sleeve retainer extends partially outside the tubular body. 5. The size adjusting attachment for a pipe joint according to claim 1, wherein the sleeve is projected so as to prevent the sleeve from being displaced to the locking position. 該筒状本体内に設けられ該スリーブ保持子に半径方向内側から係合して、該スリーブ保持子を該筒状本体の外側に部分的に突出するようにして該解錠位置にある該スリーブが該施錠位置に変位するのを阻止する変位阻止位置と、該変位阻止位置から該一端方向に押し込まれて該スリーブ保持子が半径方向内側に変位して該スリーブが該施錠位置に変位するのを許容する変位許容位置との間で変位可能とされたスリーブ保持子係合部材を有する請求項５に記載の管継手のサイズ調整用アタッチメント。 The sleeve is in the unlocked position with the sleeve retainer provided within the tubular body and engaged with the sleeve retainer from the radially inner side so that the sleeve retainer partially protrudes outside the tubular body. a displacement preventing position for preventing the sleeve from being displaced to the locking position; and a sleeve retainer being pushed in the one end direction from the displacement preventing position to displace the sleeve retainer radially inward, thereby displacing the sleeve to the locking position. 6. The size adjusting attachment for a pipe joint according to claim 5, further comprising a sleeve retainer engaging member that is displaceable between a displacement permitting position and a displacement permitting position. 該スリーブ保持子係合部材を該変位許容位置から該変位阻止位置に向けて付勢する第１の付勢部材と、該スリーブを該解錠位置から該施錠位置に向けて付勢する第２の付勢部材とを有するようにする請求項６に記載の管継手のサイズ調整用アタッチメント。
A first biasing member that biases the sleeve retainer engaging member from the displacement-allowing position toward the displacement-preventing position, and a second biasing member that biases the sleeve from the unlocked position toward the locked position. 7. An attachment for adjusting the size of a pipe joint according to claim 6, comprising: a biasing member.
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