JP6548207B2 - Connection structure for piping clamps and sanitary piping - Google Patents

Connection structure for piping clamps and sanitary piping Download PDF

Info

Publication number
JP6548207B2
JP6548207B2 JP2014222091A JP2014222091A JP6548207B2 JP 6548207 B2 JP6548207 B2 JP 6548207B2 JP 2014222091 A JP2014222091 A JP 2014222091A JP 2014222091 A JP2014222091 A JP 2014222091A JP 6548207 B2 JP6548207 B2 JP 6548207B2
Authority
JP
Japan
Prior art keywords
piping
clamp
open
tightening
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2014222091A
Other languages
Japanese (ja)
Other versions
JP2016089880A (en
Inventor
渡邊　義明
義明 渡邊
敏之 稲田
敏之 稲田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujikin Inc
Original Assignee
Fujikin Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujikin Inc filed Critical Fujikin Inc
Priority to JP2014222091A priority Critical patent/JP6548207B2/en
Publication of JP2016089880A publication Critical patent/JP2016089880A/en
Application granted granted Critical
Publication of JP6548207B2 publication Critical patent/JP6548207B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Description

本発明は、配管や流体機器等の流路構成部材同士を接続するための配管用クランプと、その配管用クランプを用いたサニタリー配管の接続構造と、に関する。   The present invention relates to a pipe clamp for connecting flow path components such as pipes and fluid devices, and a connection structure of a sanitary pipe using the pipe clamp.

従来、配管や流体機器等の流路構成部材同士を接続するために配管用クランプや継手装置などが種々用いられている。
例えば下記特許文献１には、配管の端部に設けられたフランジ部に、傾斜角度が順次小さくなる複数の外傾斜面を設け、このフランジ部をクランプ部材にクランプさせることで、締結力を段階的に強化するようにしたフランジ継手装置が提案されている。 2. Description of the Related Art Conventionally, various kinds of clamps for piping, joint devices, and the like have been used to connect flow path components such as piping and fluid devices.
For example, in Patent Document 1 below, a flange portion provided at an end portion of a pipe is provided with a plurality of outer inclined surfaces whose inclination angles are sequentially reduced, and the flange portion is clamped by a clamp member to step the fastening force. Flange joint devices have been proposed which are designed to be reinforced.

この特許文献１では、締結力を強化することで、クランプの開閉操作に要する力が大きくなるため、フランジ部の表面、クランプ部材の凹面、雄ねじ、雌ねじ、座金等に摩擦係数低減処理を施して、クランプの開閉操作に要する力を軽減していた。   In this patent document 1, the force required to open and close the clamp is increased by strengthening the fastening force, so the surface of the flange, the concave surface of the clamp member, the male screw, the female screw, the washer etc. , The force required to open and close the clamp was reduced.

特開２００４−１９７８２７号公報Unexamined-Japanese-Patent No. 2004-197827

しかしながら、配管部材は稼働中に頻繁に衝撃荷重や振動を受けるため、その衝撃や振動等により、フランジ部又はクランプ部材の位置ずれや外れが生じ易い。
ところが特許文献１では、クランプの開閉操作に必要な力を低減して操作性を向上するために、クランプ部材が嵌合するフランジ部の表面、クランプ部材の内面、ねじ、座金等に摩擦係数低減処理を施すことで摺動し易くしていた。
そのため、衝撃や振動等によりフランジ部とクランプ部材との間の締結力などが低下し易く、接続作業の操作性は向上できるものの、配管部材同士の接合力の低下が生じ易いという問題点があった。 However, since the piping member is frequently subjected to impact load and vibration during operation, the flange portion or the clamp member is easily displaced or dislocated due to the impact or vibration.
However, in Patent Document 1, in order to reduce the force necessary for opening and closing the clamp and improve the operability, the coefficient of friction is reduced to the surface of the flange to which the clamp member is fitted, the inner surface of the clamp member, screws, washers, etc. It was easy to slide by applying a treatment.
Therefore, although the fastening force between the flange portion and the clamp member is likely to be reduced due to impact, vibration and the like, and the operability of the connection operation can be improved, there is a problem that the joining force between the piping members is likely to be reduced. The

そこで本発明では、流路構成部材の接続端同士の接続及び取外し作業を容易に行えるとともに、接合力を維持し易い配管用クランプ及びサニタリー配管の接続構造を提供することを目的とする。   Therefore, it is an object of the present invention to provide a connection structure for a pipe clamp and a sanitary pipe, which can easily connect and disconnect the connection ends of the flow path forming members and easily maintain the bonding force.

上記目的を達成する本発明の配管用クランプは、流路構成部材の接続端同士を接続状態で支持する開閉可能な支持体と、支持体に設けられた開閉端部間を連結する連結具と、を備え、連結具が、開閉端部間に離脱可能に架設される架設部と、架設部に螺合して開閉端部を加圧することで支持体を締め込む締込部と、を備えた配管用クランプにおいて、架設部及び締込部のうちの一方には雄ねじ部を有するとともに他方には雌ねじ部を有し、締込部には手指により回転させるためのつまみ部が設けられ、連結具は、架設部周りに配置されて開閉端部と締込部との間に挟持される回転ガイドを備え、回転ガイドは、締込部の座面と略同径の円環状に形成されて、開閉端部及び締込部と平坦面で当接する相対回転自在な複数の回転片を有し、各回転片は、外周に互いに対向する凸形状を有するとともに内周に同一部材の複数の凹形状内に各々配置される凸形状を有し、複数の回転片間における回転の抵抗力を、開閉端部と回転ガイドとの間及び回転ガイドと締込部との間の抵抗力より小さくしたものである。
この配管用クランプは、複数の回転片間に転動体が挟持されているのが好適である。 A clamp for piping according to the present invention for achieving the above object comprises an openable and closable support for supporting connection ends of flow path components in a connected state, and a connector for connecting open and close ends provided on the support. And a connector, the connector including a bridge portion removably mounted between the open and close end portions, and a clamp portion screwed to the bridge portion to press the open and close end portions, thereby tightening the support. In the clamp for piping, one of the erected portion and the tightened portion has an externally threaded portion and the other has an internally threaded portion, and the tightened portion is provided with a knob for rotating with a finger. The tool includes a rotary guide disposed around the bridging portion and nipped between the opening / closing end and the tightening portion, and the rotation guide is formed in an annular shape having substantially the same diameter as the seating surface of the tightening portion have abutting relative rotatable plurality of rotary piece in a closing end and tightening portion flat surface, the rotation Has a convex shape, each of which is disposed on the inner peripheral in the same member in the plurality of concave and has a convex shape facing each other on the outer periphery, the resistance of the rotation of the plurality of rotating pieces, opening and closing end It is smaller than the resistance between the rotary guide and between the rotary guide and the tightening portion.
Preferably, in the piping clamp, a rolling element is held between a plurality of rotating pieces.

本発明の配管用クランプは、雄ねじ部が回転ガイドに挿通されて、回転ガイドが雄ねじ部に係止されているのがよい。 Pipe clamp of the present invention, a male threaded portion is inserted into the rotation guide, it is preferable rotating guide is locked to the external thread portion.

本発明のサニタリー配管の接続構造は、上記のような配管用クランプにより複数の流路構成部材の接続端同士が接続されてなり、複数の流路構成部材の接続端にそれぞれフランジ部が突設され、フランジ部同士が対向当接した状態で配管用クランプにより取り囲まれて支持されている構造である。   In the connection structure of the sanitary piping according to the present invention, the connection ends of the plurality of flow path forming members are connected to each other by the pipe clamp as described above, and flange portions are respectively provided in the connection ends of the plurality of flow path forming members The flanges are surrounded and supported by the pipe clamp in a state where the flanges face each other and abut.

本発明の配管用クランプによれば、支持体の開閉端部と連結具の締込部との間に回転ガイドが挟持され、この回転ガイドが相対回転自在な複数の回転片を有しているので、支持体の開閉端部と連結具の締込部との間の回転に対する抵抗力を小さくできる。
そのため、架設体に螺合した締込部を回転させて締め込む際、回転片間における相対回転により締込部を回転させることができ、支持体の開閉端部と回転ガイドとの間及び回転ガイドと締込部との間に摺動部分が生じない。 According to the clamp for piping of the present invention, the rotary guide is sandwiched between the open / close end of the support and the tightening portion of the connector, and the rotary guide has a plurality of rotatable pieces that are relatively rotatable. Therefore, the resistance to rotation between the open / close end of the support and the clamp of the connector can be reduced.
Therefore, when the tightening portion screwed to the construction body is rotated and tightened, the tightening portion can be rotated by relative rotation between the rotating pieces, and between the opening / closing end of the support and the rotation guide, and rotation There is no sliding part between the guide and the clamp.

これにより、加圧しても締込部を支持体の開閉端部に対して滑らかに回転させることができ、大きな摩擦抵抗は生じない。そのため締込み時であっても弛緩時であっても締込部を回転させ易く、流路構成部材の接続及び取外し作業を容易に行うことができる。   As a result, even if pressure is applied, the tightening portion can be smoothly rotated relative to the open and close end of the support, and no large frictional resistance occurs. Therefore, even when tightening or loosening, the tightening portion can be easily rotated, and the connection and removal of the flow path component can be easily performed.

また、回転ガイドの複数の回転片間における回転の抵抗力を小さくすることで締込部を回転させ易くするだけであるため、開閉端部と回転ガイドとの間の移動に対する抵抗力及び回転ガイドと締込部との間の移動に対する抵抗力は、複数の回転片間における回転の抵抗力にかかわらず大きくすることが可能である。そのため、締込部が支持体の開閉端部に対して移動し易くなることがない。   In addition, the resistance to the movement between the open / close end and the rotation guide and the rotation guide can be easily obtained because the tightening portion can be easily rotated by reducing the resistance to rotation between the plurality of rotation pieces of the rotation guide. The resistance to movement between the and the clamp can be increased regardless of the rotational resistance between the rotating pieces. Therefore, the fastening portion does not easily move relative to the opening and closing end of the support.

これにより、支持体に対して締込部を十分に回転し易くしても、支持体や連結部に対して締込部が移動し難く、衝撃荷重や振動等が作用しても、連結具が外れたり緩んだりすることがない。よって、連結具が支持体に対して位置ずれして摩耗や傷が生じたり、メッキが剥離するようなこともない。   As a result, even if the tightening portion can be easily rotated with respect to the support, the tightening portion does not easily move with respect to the support or the connection portion, and the connection tool is obtained even if an impact load, vibration, or the like is applied. Does not come off or come loose. Thus, the connector is not displaced relative to the support, causing wear or damage or peeling of the plating.

従って、本発明によれば、接合力を維持し易く、流路構成部材の接続端同士の接続及び取外し作業を容易に行える配管用クランプ及びサニタリー配管の接続構造を提供することができる。   Therefore, according to the present invention, it is possible to provide a pipe clamp and a sanitary pipe connection structure that can easily maintain the bonding force and can easily perform the connection and removal operations of the connection ends of the flow path component members.

本発明の実施形態に係る配管用クランプにより接続される流路構成部材の接続端部付近を示す斜視図であり、接続前の状態を示す。It is a perspective view which shows connection end part vicinity of the flow-path structural member connected by the clamp for piping which concerns on embodiment of this invention, and shows the state before connection. 本発明の実施形態に係る配管用クランプにより接続される流路構成部材の接続端部付近を示す斜視図であり、接続後の状態を示す。It is a perspective view which shows connection end part vicinity of the flow-path structural member connected by the clamp for piping which concerns on embodiment of this invention, and shows the state after connection. 本発明の実施形態に係る配管用クランプの部分拡大断面図である。It is a partial expanded sectional view of a clamp for piping concerning an embodiment of the present invention.

以下、本発明の実施形態について図を用いて詳細に説明する。この実施形態では、複数の流路構成部材を配管用クランプにより接続したサニタリー配管の接続構造の例を用いて説明する。
流路構成部材とは、液体等の流体が内部を流動する部材である。例えば配管、配管継手等の配管部材、ポンプ、貯留槽等の各種の流体機器、などのように、互いに接続された部材間で流体が移送されるものであれば特に限定されない。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In this embodiment, a description will be given using an example of a connection structure of a sanitary pipe in which a plurality of flow path constituting members are connected by a pipe clamp.
The flow path forming member is a member through which a fluid such as liquid flows. For example, it is not particularly limited as long as the fluid is transferred between members connected to each other, such as piping, piping members such as piping joints, various fluid devices such as pumps, storage tanks, and the like.

［配管用クランプ］
図１及び図２に示すように、この接続構造により接続される複数の流路構成部材１１の接続端１２には、それぞれフランジ部１３が外側に突設されている。これらのフランジ部１３同士がガスケット１４を介在させて互いに対向方向に当接した状態で配置されており、配管用クランプ２０によりクランプされている。配管用クランプ２０は、対向当接した一対のフランジ部１３の外周縁を取り囲んで締め込むことで、フランジ部１３同士を接続状態で支持している。 [Clamp for piping]
As shown in FIG. 1 and FIG. 2, flange portions 13 are respectively protruded outward at connection ends 12 of the plurality of flow path forming members 11 connected by this connection structure. These flange portions 13 are disposed in a state where they abut against each other with the gasket 14 interposed therebetween, and are clamped by the pipe clamp 20. The piping clamp 20 supports the flange portions 13 in a connected state by surrounding and tightening the outer peripheral edges of the pair of flange portions 13 in contact with each other.

この接続構造の配管用クランプ２０は、流路構成部材１１の接続端１２同士を接続状態で支持する開閉可能な支持体２１と、支持体２１に設けられた一対の開閉端部２２間を連結する連結具３０と、を備えている。   The piping clamp 20 of this connection structure connects between an openable and closable support 21 supporting the connection ends 12 of the flow path forming members 11 in a connected state and a pair of open and close end portions 22 provided on the support 21. And a connector 30.

支持体２１は、開閉可能な複数の支持片２３を有し、各支持片２３がリンク部２４を介して揺動可能に連結されている。一連の支持片２３における両端が一対の開閉端部２２となっており、支持片２３を揺動させることで開放及び閉塞が可能である。各支持片２３には、流路構成部材１１のフランジ部１３の外周部を嵌合するための嵌合溝２５が設けられている。
支持体２１を図２のように閉じると、対向当接した状態の一対のフランジ部１３が各支持体２１の嵌合溝２５に嵌合され、支持体２１により外周囲が取り囲まれて支持される。 The support 21 has a plurality of openable and closable support pieces 23, and the support pieces 23 are swingably connected via the link portion 24. Both ends of the series of support pieces 23 form a pair of open / close end portions 22. By swinging the support pieces 23, opening and closing can be performed. Each support piece 23 is provided with a fitting groove 25 for fitting the outer peripheral portion of the flange portion 13 of the flow path forming member 11.
When the support 21 is closed as shown in FIG. 2, the pair of flanges 13 in a state of facing contact is fitted in the fitting groove 25 of each support 21, and the outer circumference is surrounded and supported by the support 21. Ru.

連結具３０は、開閉端部２２間に離脱可能に架設される棒状の架設部３１と、架設部３１に螺合して開閉端部２２を加圧することで支持体２１を締め込む締込部３２と、架設部３１周りに配置されて開閉端部２２と締込部３２との間に挟持される回転ガイド３３と、を備えている。   The connector 30 is a rod-like bridging portion 31 which is bridged between the open and close end portions 22 in a detachable manner, and a tightening portion which is screwed to the bridging portion 31 and pressurizes the open and close end portion 22. 32 and a rotation guide 33 disposed around the bridge portion 31 and held between the open / close end 22 and the tightening portion 32.

架設部３１は、この実施形態では一対の開閉端部２２の一方に揺動可能に支持されており、他方の開閉端部２２には架設部３１の受け溝２６が設けられている。受け溝２６は、端部を開口させることで架設部３１を揺動させて係脱可能となっている。架設部３１には雄ねじ部３４が設けられており、この雄ねじ部３４に回転ガイド３３と締込部３２とが装着されている。   The bridging portion 31 is swingably supported by one of the pair of open / close end portions 22 in this embodiment, and the other open / close end portion 22 is provided with a receiving groove 26 of the bridging portion 31. The receiving groove 26 can be engaged and disengaged by swinging the mounting portion 31 by opening the end. A male screw portion 34 is provided in the installation portion 31, and the rotation guide 33 and the tightening portion 32 are attached to the male screw portion 34.

締込部３２は、架設部３１の雄ねじ部３４に螺合する雌ねじ部３５と、雌ねじ部３５から突出して設けられ手指により回転させるためのつまみ部３６と、を備えた蝶ナットとして構成されている。この締込部３２は、架設部３１から離脱させていてもよいが、ここでは回転ガイド３３とともに予め架設部３１に螺合されている。   The tightening portion 32 is configured as a wing nut including a female screw portion 35 screwed to the male screw portion 34 of the bridging portion 31, and a knob portion 36 provided so as to protrude from the female screw portion 35 and rotated by fingers. There is. Although this tightening portion 32 may be separated from the mounting portion 31, here, the tightening portion 32 is screwed in advance to the mounting portion 31 together with the rotation guide 33.

回転ガイド３３は、一対のリング状の回転片３７と、一対の回転片３７の間に挟持された多数の転動体３８とを有しており、一対の回転片３７が架設部３１の軸周りに相対回転自在となっている。この回転ガイド３３は、一対の回転片３７及び転動体３８が一体化されており、スラスト軸受けとして構成されている。この回転ガイド３３は、円環状に形成されており、雄ねじ部３４が挿通されて遊嵌されることで、回転ガイド３３が連結具３０から脱落しないように係止されている。   The rotation guide 33 has a pair of ring-shaped rotation pieces 37 and a large number of rolling elements 38 sandwiched between the pair of rotation pieces 37, and the pair of rotation pieces 37 is around the axis of the bridging portion 31. It is relatively rotatable. The rotation guide 33 has a pair of rotation pieces 37 and rolling elements 38 integrated, and is configured as a thrust bearing. The rotation guide 33 is formed in an annular shape, and is locked so that the rotation guide 33 does not fall off the connector 30 by the male screw portion 34 being inserted and loosely fitted.

回転ガイド３３の多数の転動体３８は回転片３７の円周状の軌道面に配置されており、支持体２１の開閉端部２２及び締込部３２からのスラスト方向の荷重が、それぞれ回転片３７を介して多数の転動体３８により支持されるようになっている。そのため、締込部３２の雌ねじ部３５の座面３５ａ及び支持体２１の表面における各回転片３７と当接する部位、特に転動体３８の軌道面に対応する部位には、勾配が生じない平坦面、好ましくはスラスト方向に対して略直交する平坦面が形成されているのがよい。
このような平坦面は、締込部３２の雌ねじ部３５自体或いは支持体２１の開閉端部２２自体に設けられていてもよいが、これらと回転ガイド３３との間に他の部材を配置して、その部材に設けることも可能である。 A large number of rolling elements 38 of the rotation guide 33 are disposed on the circumferential raceway surface of the rotation piece 37, and the loads in the thrust direction from the open / close end 22 of the support 21 and the tightening portion 32 are respectively rotation pieces It is supported by a large number of rolling elements 38 via 37. Therefore, a flat surface where no inclination occurs on the portions of the surface of the support 21 and the seating surface 35a of the female screw portion 35 of the tightening portion 32 that abuts against the respective rotating pieces 37, particularly the portions corresponding to the raceway surfaces of the rolling elements 38 Preferably, a flat surface substantially perpendicular to the thrust direction is formed.
Such a flat surface may be provided on the female screw portion 35 of the tightening portion 32 itself or on the open / close end 22 of the support 21 itself, but another member may be disposed between these and the rotation guide 33 It is also possible to provide it on that member.

この回転ガイド３３では、一対の回転片３７間における回転の抵抗力が、開閉端部２２と回転ガイド３３との間の抵抗力及び回転ガイド３３と締込部３２との間の抵抗力より小さくなっている。これらの抵抗力は相対的な関係であり、支持体２１の開閉端部２２と回転ガイド３３と連結具３０の締込部３２とを圧接した状態で回転させた際、抵抗力の小さい部位が抵抗力の大きい部位よりも容易に回転する。   In the rotation guide 33, the resistance of rotation between the pair of rotation pieces 37 is smaller than the resistance between the open / close end 22 and the rotation guide 33 and the resistance between the rotation guide 33 and the tightening portion 32. It has become. These resistances are in a relative relationship, and when the open / close end 22 of the support 21, the rotation guide 33, and the tightening portion 32 of the connector 30 are pressed against each other, the portion having a small resistance is It rotates more easily than the part with a large resistance.

ここでは、開閉端部２２と回転ガイド３３との間及び回転ガイド３３と締込部３２との間は、何れも摺動抵抗であるのに対し、一対の回転片３７間は転動体３８の転動抵抗であるため、後者が小さいが、この実施形態では、さらに、開閉端部２２と回転ガイド３３との間及び回転ガイド３３と締込部３２との間に、摺動性を低下する処理が施されていてもよい。   Here, the sliding resistance is between the opening / closing end 22 and the rotation guide 33 and between the rotation guide 33 and the tightening portion 32, but the rolling element 38 is between the pair of rotation pieces 37. Although the latter is small because of rolling resistance, in this embodiment, the slidability is further reduced between the open / close end 22 and the rotation guide 33 and between the rotation guide 33 and the tightening portion 32. Processing may be performed.

［配管の接続方法］
次に、このような配管用クランプ２０を用いて複数の流路構成部材１１を接続する方法について説明する。
まず、図１に示すように、連結具３０の架設部３１を支持片２３の受け溝２６から離脱させることで、複数の支持片２３を拡開させて支持体２１を開放しておく。
一方の流路構成部材１１に設けられた接続端１２のフランジ部１３と、他方の流路構成部材１１に設けられた接続端１２のフランジ部１３と、をガスケット１４を介在させて対向当接させる。 [Connection method of piping]
Next, a method of connecting a plurality of flow path constituting members 11 using such a piping clamp 20 will be described.
First, as shown in FIG. 1, by separating the installation portion 31 of the connector 30 from the receiving groove 26 of the support piece 23, the plurality of support pieces 23 are expanded to open the support 21.
The flange portion 13 of the connection end 12 provided in one flow path forming member 11 and the flange portion 13 of the connection end 12 provided in the other flow path forming member 11 face each other with the gasket 14 interposed. Let

この状態でフランジ部１３を支持体２１により囲み、図２及び図３に示すように、連結具３０を揺動させて支持片２３の受け溝２６に係止させ、架設部３１を複数の開閉端部２２間に架設する。
つまみ部３６を手指により支持して回転させることで締込部３２を締め込み、支持片２３の開閉端部２２と締込部３２の雌ねじ部３５とを、回転ガイド３３を介在させた状態で当接させる。 In this state, the flange portion 13 is surrounded by the support 21 and, as shown in FIG. 2 and FIG. 3, the connector 30 is swung and locked in the receiving groove 26 of the support piece 23 to open and close the bridging portion 31 It is erected between the ends 22.
The pinching portion 32 is tightened by supporting and rotating the knob portion 36 with fingers, and the rotary guide 33 is interposed between the open / close end 22 of the support piece 23 and the female screw portion 35 of the tightening portion 32. Let it abut.

その後、さらに締込部３２を締め込むと、回転ガイド３３の一方の回転片３７が支持片２３の開閉端部２２に圧接し、他方の回転片３７が締込部３２の雌ねじ部３５に圧接する。そして、転動体３８を転動させることにより、支持片２３の開閉端部２２に圧接した回転片３７を回転させずに、締込部３２の雌ねじ部３５に圧接した回転片３７を締込部３２と共に回転させる。これにより、開閉端部２２に対して締込部３２を摺動させることなく回転させて、加圧力を増加させる。
締込部３２を十分な加圧力となるまで締め込むことで、複数の流路構成部材１１間の接続が完了する。 Thereafter, when the tightening portion 32 is further tightened, one rotation piece 37 of the rotation guide 33 is in pressure contact with the open / close end 22 of the support piece 23, and the other rotation piece 37 is in pressure contact with the female screw portion 35 of the tightening portion 32. Do. Then, by rolling the rolling element 38, without rotating the rotating piece 37 in pressure contact with the open / close end 22 of the support piece 23, the rotating piece 37 in pressure contact with the internal thread portion 35 of the tightening portion 32 is tightened. Rotate with 32. As a result, the tightening portion 32 is rotated without sliding relative to the open / close end 22 to increase the pressing force.
The connection between the plurality of flow path forming members 11 is completed by tightening the tightening portion 32 to a sufficient pressing force.

［作用効果］
以上のような配管用クランプ２０によれば、支持体２１の開閉端部２２と連結具３０の締込部３２との間に回転ガイド３３が挟持され、この回転ガイド３３が、相対回転自在な一対の回転片３７を有しているので、支持体２１の開閉端部２２と連結具３０の締込部３２との間の回転に対する抵抗力を小さくすることができる。 [Function effect]
According to the pipe clamp 20 as described above, the rotation guide 33 is sandwiched between the open / close end 22 of the support 21 and the tightening portion 32 of the connecting member 30, and the rotation guide 33 is relatively rotatable. Since the pair of rotating pieces 37 is provided, the resistance to rotation between the open / close end 22 of the support 21 and the tightening portion 32 of the connector 30 can be reduced.

そのため、架設部３１に螺合した締込部３２を回転させて締め込む際、回転片３７間における相対回転、特に転動体３８の転動により締込部３２を回転させることができ、支持体２１の開閉端部２２と回転ガイド３３との間及び回転ガイド３３と締込部３２との間に摺動部分が生じない。これにより、加圧力を高くしても支持体２１の締込部３２を開閉端部２２に対して滑らかに回転させることができ、摺動のように大きな摩擦抵抗は生じない。そのため、締込み時であっても弛緩時であっても、締込部３２を回転させ易く、流路構成部材１１の接続及び取外し作業を容易に行うことができる。   Therefore, when the tightening portion 32 screwed to the installation portion 31 is rotated and tightened, the tightening portion 32 can be rotated by relative rotation between the rotation pieces 37, in particular, by rolling of the rolling element 38. Sliding parts do not occur between the open / close end 22 of the guide 21 and the rotary guide 33 and between the rotary guide 33 and the clamping part 32. As a result, even if the pressure is increased, the tightening portion 32 of the support 21 can be smoothly rotated relative to the open / close end 22, and no large frictional resistance as in sliding occurs. Therefore, even when tightening or loosening, the tightening portion 32 can be easily rotated, and the connection and removal operation of the flow path forming member 11 can be easily performed.

また、回転ガイド３３の複数の回転片３７間における回転の抵抗力を小さくすることで、締込部３２を回転させ易くするだけであるため、開閉端部２２と回転ガイド３３との間の移動に対する抵抗力や、回転ガイド３３と締込部３２との間の移動に対する抵抗力は、複数の回転片３７間における回転の抵抗力にかかわらず大きくすることが可能である。そのため、締込部３２が支持体２１の開閉端部２２に対して移動し易くなったり締込部３２が連結部に対して過剰に回転し易くなるようなことがない。   In addition, the resistance between the rotation pieces 37 of the rotation guide 33 is reduced to facilitate the rotation of the tightening portion 32. Therefore, the movement between the open / close end 22 and the rotation guide 33 It is possible to increase the resistance against the movement of the rotary guide 33 and the movement between the rotary guide 33 and the tightening portion 32 regardless of the rotational resistance between the plurality of rotary pieces 37. Therefore, the tightening portion 32 does not easily move relative to the open / close end 22 of the support 21 or the tightening portion 32 does not easily rotate excessively relative to the connecting portion.

これにより、支持体２１に対して締込部３２を十分に回転し易くしていても、支持体２１や連結部に対して締込部３２を移動し難くすることができ、流路構成部材１１から衝撃荷重や振動等が作用しても、連結具３０が外れたり緩んだりすることがない。よって、連結具３０が支持体２１に対して位置ずれして摩耗や傷が生じたり、メッキが剥離するようなことも防止できる。
従って、このような配管用クランプ２０を用いれば、流路構成部材１１の接続端１２同士の接続及び取外し作業も容易に行えるとともに、接合力を維持し易くできる。 Thereby, even if the tightening portion 32 is easily rotated with respect to the support 21, the movement of the tightening portion 32 with respect to the support 21 or the connection portion can be made difficult, and the flow path forming member Even if an impact load, vibration or the like is applied from 11, the connector 30 is not detached or loosened. Therefore, it is possible to prevent the connector 30 from being displaced relative to the support 21 to cause wear or damage or peeling of the plating.
Therefore, if such a piping clamp 20 is used, connection and removal operations of the connection ends 12 of the flow path forming member 11 can be easily performed, and the joining force can be easily maintained.

また、この配管用クランプ２０では、架設部３１及び締込部３２のうちの一方に雄ねじ部３４を有するとともに他方に雌ねじ部を有し、雄ねじ部３４が回転ガイド３３に挿通されて係止されているので、回転ガイド３３部が連結部から外れて脱落するようなことを確実に防止できる。   Further, in the piping clamp 20, one of the installation portion 31 and the tightening portion 32 has an external thread portion 34 and the other has an internal thread portion, and the external thread portion 34 is inserted into the rotation guide 33 and locked. Thus, the rotary guide 33 can be reliably prevented from coming off the connecting portion and falling off.

さらにこの配管用クランプ２０によれば、雄ねじ部３４又は雌ねじ部に、手指により支持して回転させるためのつまみ部３６が設けられているので、手指によりつまみ部３６を回転させることで、締込部３２を回転させて締め込んだり弛緩させたりすることができる。ここでは加圧力を高くしても、締込部３２を開閉端部２２に対して滑らかに回転させることができ、摺動のように大きな摩擦抵抗は生じないため、手指によりつまみ部３６を回転させていても締込部３２を回転させ易い。   Furthermore, according to this piping clamp 20, the male screw 34 or the female screw is provided with the knob 36 for supporting and rotating with the fingers, and therefore, tightening is performed by rotating the knob 36 with fingers. The portion 32 can be rotated to tighten or loosen. Here, even if the pressing force is increased, the tightening portion 32 can be smoothly rotated with respect to the open / close end 22 and no large frictional resistance as in sliding occurs, so the finger 36 rotates the knob 36 Even if this is done, it is easy to rotate the tightening portion 32.

また、上述のようなサニタリー配管の接続構造によれば、このような配管用クランプ２０を用いて、複数の流路構成部材１１の接続端１２同士を接続してサニタリー配管の流路を構成しているので、頻繁に行われる流路構成部材１１の洗浄や殺菌等の処理の際、これらの部材の取外し及び接続作業を容易に行うことができる。   Moreover, according to the connection structure of sanitary piping as described above, connecting ends 12 of a plurality of flow path configuration members 11 are connected using such a piping clamp 20 to form a flow path of a sanitary piping Therefore, in the case of frequent processing such as cleaning and sterilization of the flow path component 11, removal and connection of these members can be easily performed.

［変形例］
なお上記実施形態は、本発明の範囲内において適宜変更可能である。
例えば、上記実施形態では、回転ガイド３３を支持体２１の開閉端部２２及び連結具３０の締込部３２とは別体に設けた例について説明したが、特に限定されるものではなく、開閉端部２２又は締込部３２に一方の回転片３７を固定することで一体化してもよい。
上記実施形態では、転動体３８を挟持した一対の回転片３７により回転ガイド３３を構成したが、例えば回転片及び転動体を複数段に配置することも可能である。さらに、複数の回転片間に転動体を配置せずに、回転片同士を当接させて摺動抵抗を小さくすることにより、回転ガイドを構成してもよい。
上記実施形態では、支持体２１は、複数の支持片２３を一連に連結して両端に設けられた一対の開閉端部２２間を連結具３０により開閉可能にしたが、複数個に分離した支持片２３同士を、それぞれ開閉端部２２間毎に複数箇所で連結具３０により開閉可能に連結してもよい。
さらに上記では、連結具３０の架設部３１を一方の開閉端部２２に揺動可能に支持したが、例えば架設部３１の両端にそれぞれ締込部３２や回転ガイド３３を装着することで、連結具３０を支持体２１に着脱可能にすることもできる。
上記実施形態では、架設部３１に雄ねじ部３４を設けて締込部３２に雌ねじ部を設けた例について説明したが、架設部３１の先端側に雌ねじ部を設けて、締込部３２の雄ねじ部を螺合させた構造とすることも可能である。 [Modification]
The above embodiment can be appropriately modified within the scope of the present invention.
For example, in the above embodiment, an example in which the rotation guide 33 is provided separately from the open / close end 22 of the support 21 and the tightening portion 32 of the connector 30 has been described, but it is not particularly limited. It may be integrated by fixing one rotation piece 37 to the end 22 or the tightening portion 32.
In the above embodiment, the rotation guide 33 is configured by the pair of rotation pieces 37 holding the rolling element 38. However, for example, the rotation pieces and the rolling elements can be arranged in a plurality of stages. Furthermore, the rotation guide may be configured by placing the rotation pieces in contact with each other to reduce the sliding resistance without arranging the rolling element between the plurality of rotation pieces.
In the above embodiment, the support 21 connects the plurality of support pieces 23 in series and enables the connecting tool 30 to open and close between the pair of open and close end parts 22 provided at both ends. The pieces 23 may be connected to be openable and closable by the connecting tool 30 at a plurality of places between the open and close end portions 22 respectively.
Furthermore, in the above description, the bridging portion 31 of the connector 30 is swingably supported at one open / close end 22. However, for example, the fastening portion 32 and the rotation guide 33 are attached to both ends of the bridging portion 31, respectively. The tool 30 can also be made detachable to the support 21.
In the above embodiment, an example was described in which the male screw portion 34 was provided in the bridging portion 31 and the female screw portion was provided in the tightening portion 32. However, a female screw portion is provided on the distal end side of the bridging portion 31. It is also possible to have a structure in which the parts are screwed together.

１１ 流路構成部材
１２ 接続端
１３ フランジ部
１４ ガスケット
２０ 配管用クランプ
２１ 支持体
２２ 開閉端部
２３ 支持片
２４ リンク部
２５ 嵌合溝
２６ 受け溝
３０ 連結具
３１ 架設部
３２ 締込部
３３ 回転ガイド
３４ 雄ねじ部
３５ 雌ねじ部
３６ つまみ部
３７ 回転片
３８ 転動体 DESCRIPTION OF SYMBOLS 11 flow-path structural member 12 connection end 13 flange part 14 gasket 20 piping clamp 21 support 22 open-close end part 23 support piece 24 link part 25 fitting groove 26 receiving groove 30 connecting tool 31 construction part 32 tightening part 33 rotation guide 34 male screw 35 female screw 36 knob 37 rotating piece 38 rolling element

Claims (4)

流路構成部材の接続端同士を接続状態で支持する開閉可能な支持体と、前記支持体に設けられた開閉端部間を連結する連結具と、を備え、該連結具が、前記開閉端部間に離脱可能に架設される架設部と、該架設部に螺合して前記開閉端部を加圧することで前記支持体を締め込む締込部と、を備えた配管用クランプにおいて、
前記架設部及び前記締込部のうちの一方には雄ねじ部を有するとともに他方には雌ねじ部を有し、前記締込部には手指により回転させるためのつまみ部が設けられ、
前記連結具は、前記架設部周りに配置されて前記開閉端部と前記締込部との間に挟持される回転ガイドを備え、
該回転ガイドは、前記締込部の座面と略同径の円環状に形成されて、前記開閉端部及び前記締込部と平坦面で当接する相対回転自在な複数の回転片を有し、前記各回転片は、外周に互いに対向する凸形状を有するとともに内周に同一部材の複数の凹形状内に各々配置される凸形状を有し、前記複数の回転片間における回転の抵抗力を、前記開閉端部と前記回転ガイドとの間及び前記回転ガイドと締込部との間の抵抗力より小さくした、配管用クランプ。 An openable and closable support for supporting the connection ends of the flow path constituting members in a connected state, and a connector for connecting between the open and close end portions provided on the support, the connector being the open and close end A piping clamp comprising: an erected portion removably installed between the portions; and a tightened portion screwed to the erected portion to press the open / close end to tighten the support body,
One of the mounting portion and the tightening portion has a male screw portion and the other has a female screw portion, and the tightening portion is provided with a knob portion to be rotated by fingers.
The connector includes a rotation guide disposed around the erected portion and sandwiched between the open / close end and the tightening portion.
The rotary guide is formed in an annular shape having substantially the same diameter as the seat surface of the tightening portion, and has a plurality of relatively rotatable rotation pieces that abut on the opening and closing end portion and the tightening portion in a flat surface Each of the rotating pieces has a convex shape facing each other on the outer periphery and has a convex shape respectively disposed in a plurality of concave shapes of the same member on the inner periphery, and the rotational resistance force between the plurality of rotating pieces A clamp for piping, wherein the resistance between the opening and closing end and the rotation guide and the resistance between the rotation guide and the tightening portion are smaller. 前記複数の回転片間に転動体が挟持されている、請求項１に記載の配管用クランプ。   The piping clamp according to claim 1, wherein a rolling element is sandwiched between the plurality of rotating pieces. 前記雄ねじ部が前記回転ガイドに挿通されて該回転ガイドが前記雄ねじ部に係止されている、請求項１又は２に記載の配管用クランプ。 Before SL is inserted male screw portion on the rotating guide the rotating guide is locked to the external thread portion, the pipe clamp of claim 1 or 2. 請求項１乃至３の何れかに記載の配管用クランプにより複数の前記流路構成部材の接続端同士が接続されたサニタリー配管の接続構造であり、
前記複数の流路構成部材の接続端にはそれぞれフランジ部が突設され、該フランジ部同士が対向当接した状態で前記配管用クランプにより取り囲まれて支持されている、サニタリー配管の接続構造。 It is a connection structure of sanitary piping by which the connection end of a plurality of the above-mentioned channel composition members was connected by the clamp for piping according to any one of claims 1 to 3 ,
A connection structure of a sanitary pipe, wherein flange portions are respectively provided at connection ends of the plurality of flow path forming members and are surrounded and supported by the pipe clamp in a state where the flange portions face each other and abut.
JP2014222091A 2014-10-30 2014-10-30 Connection structure for piping clamps and sanitary piping Expired - Fee Related JP6548207B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014222091A JP6548207B2 (en) 2014-10-30 2014-10-30 Connection structure for piping clamps and sanitary piping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014222091A JP6548207B2 (en) 2014-10-30 2014-10-30 Connection structure for piping clamps and sanitary piping

Publications (2)

Publication Number Publication Date
JP2016089880A JP2016089880A (en) 2016-05-23
JP6548207B2 true JP6548207B2 (en) 2019-07-24

Family

ID=56018074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014222091A Expired - Fee Related JP6548207B2 (en) 2014-10-30 2014-10-30 Connection structure for piping clamps and sanitary piping

Country Status (1)

Country Link
JP (1) JP6548207B2 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62278307A (en) * 1986-05-26 1987-12-03 浜口工業株式会社 Nut
JPS63178615U (en) * 1988-04-23 1988-11-18
JPH0547289Y2 (en) * 1989-02-02 1993-12-13
JPH07310718A (en) * 1994-05-13 1995-11-28 Excel:Kk Axial tension control type bolt and nut
JPH1122716A (en) * 1997-06-30 1999-01-26 Com:Kk Dropping-out preventing structure for butterfly nut of pipe joint
JP2004197827A (en) * 2002-12-18 2004-07-15 Masato Nakawa Flange coupling device
SG125175A1 (en) * 2005-02-18 2006-09-29 John Julian Henry A pipe coupling clamp

Also Published As

Publication number Publication date
JP2016089880A (en) 2016-05-23

Similar Documents

Publication Publication Date Title
JP5670592B2 (en) Pipe repair clamp
EP2048424B1 (en) Clamp
US9086177B2 (en) Jointed bridge for clamp assembly
EP1945986B1 (en) Quick-action clamping collar
FR2467348A1 (en) PIPE FITTING COMPRISING A CHAIN COLLAR
WO2007066452A1 (en) Pipe joint locking device
JP2005249183A (en) Female mounting assembling and joint assembly
FR3001787A1 (en) PROFILE CLAMPING COLLAR, WITH A PREPOSITIONING SYSTEM
CA2992532C (en) Assembly comprising a locked securing stud
CA2779058A1 (en) Pipe coupling with seal pressing device
IL209937A (en) Pipe clamp assembly with tightening element keeper
KR101831495B1 (en) Clamp for pipe
EP3085643B1 (en) Integral and quick opening/closing device for a manhole
US20120299293A1 (en) Assembly with separately tightenable annular clamps
JP6548207B2 (en) Connection structure for piping clamps and sanitary piping
KR20160004978A (en) Pipe fastening apparatus and method
KR200477330Y1 (en) Clamp for pipe
JP3181057U (en) Pipe clamp
JP5836340B2 (en) Fastening method and pipe reinforcement for fluid pipe flange
JP6000141B2 (en) Pipe fitting and its socket
JP3102808U (en) Clamping member for fittings
KR20200018668A (en) Profile clamp with screw with diameter reducing part
JP2008045598A (en) Pipe fitting
JP6908239B2 (en) Joint reinforcement jig
JP2011256945A (en) Pipe expansion type pipe joint

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170727

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170816

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20180524

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180605

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180801

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20181218

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190214

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190528

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190619

R150 Certificate of patent or registration of utility model

Ref document number: 6548207

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees