WO2017033981A1 - Air removal jig for pneumatic fenders - Google Patents

Air removal jig for pneumatic fenders Download PDF

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Publication number
WO2017033981A1
WO2017033981A1 PCT/JP2016/074700 JP2016074700W WO2017033981A1 WO 2017033981 A1 WO2017033981 A1 WO 2017033981A1 JP 2016074700 W JP2016074700 W JP 2016074700W WO 2017033981 A1 WO2017033981 A1 WO 2017033981A1
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Prior art keywords
bag body
elastic bag
inner peripheral
elastic
wall portion
Prior art date
Application number
PCT/JP2016/074700
Other languages
French (fr)
Japanese (ja)
Inventor
栗林　延全
Original Assignee
横浜ゴム株式会社
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Publication date
Application filed by 横浜ゴム株式会社 filed Critical 横浜ゴム株式会社
Publication of WO2017033981A1 publication Critical patent/WO2017033981A1/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • E02B3/26—Fenders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Definitions

  • the present invention relates to an air extraction jig for a pneumatic fender.
  • the pneumatic fender has an elastic bag body and a base part attached to the elastic bag body, and an air injection valve is provided in the base part.
  • the air type fender is maintained in a certain shape by being filled with air through an air injection valve.
  • the present invention has been devised in view of the above circumstances, and an object of the present invention is to provide an air extraction jig for a pneumatic fender, which is advantageous in improving air extraction efficiency.
  • the invention according to claim 1 has an elastic bag body and a base portion provided on the elastic bag body, and the base portion has a bottom wall on which an air injection valve is disposed.
  • a cylindrical wall portion projecting from the outer peripheral portion of the upper surface of the bottom wall portion, and a flange portion that annularly expands radially outward from the outer periphery of the distal end of the cylindrical wall portion. Then, the top surface of the bottom wall portion, the inner peripheral surface of the cylindrical wall portion, and the surface of the flange portion connected to the inner peripheral surface are air ventilated and removed from the pneumatic fenders covered with the elastic bag body.
  • a coupling portion provided on the other side surface in the thickness direction of the substrate portion and connected to the one side surface and detachably coupled to the vacuum hose, wherein the one side surface of the substrate portion is the elastic bag.
  • the state of elastic contact with the annular portion of the body is held by the elastic force of the inner peripheral portion of the elastic bag compressed by the outer peripheral surfaces of the plurality of positioning rods.
  • the invention described in claim 2 is characterized in that a taper portion whose outer diameter decreases toward the tip is provided at the tip of the positioning rod.
  • the entire circumference of the elastic bag body portion covering the flange portion is provided on the substrate portion.
  • a seal member capable of being elastically contacted is provided.
  • the invention described in claim 4 is characterized in that three positioning rods are provided at equal intervals in the circumferential direction of the substrate portion.
  • the air extraction jig that holds the state of being coupled to the base portion by the elastic force of the inner peripheral portion of the elastic bag body compressed by the plurality of positioning rods is provided.
  • the work of maintaining the state where the conventional vacuum hose is applied to the base part is not required, and it becomes possible for one operator to perform the air venting operation of the pneumatic fender, and the air vent of the pneumatic fender is removed. This is advantageous in improving work efficiency.
  • the tapered portion is provided at the tip of the positioning rod, the plurality of positioning rods can be smoothly inserted into the inner peripheral portion of the elastic bag body without damaging the inner peripheral portion.
  • the efficiency of air extraction work of the pneumatic fender is greatly improved.
  • the elastic sealing member is provided on the entire circumference of the portion of the elastic bag that covers the collar portion, it is advantageous for airtightly coupling the air extraction jig to the base portion. This is advantageous in increasing the efficiency of the air venting operation of the pneumatic fender.
  • the air extraction jig is held in a stable state by the elastic force of the inner peripheral portion of the elastic bag body as compared with the case where there are two positioning rods, Further, it is advantageous in simplifying the structure of the air extraction jig as compared with the case of four or more.
  • the pneumatic fender 10 includes an elastic bag body 12 and a base part 14.
  • the elastic bag body 12 has a cylindrical body portion 12A and mirror portions 12B formed at both ends of the body portion 12A.
  • the body portion 12A and the mirror portion 12B are made of an inner layer rubber, a reinforcing layer, and an outer layer rubber. It is configured by stacking.
  • the base part 14 is provided in the center of the mirror part 12B.
  • the base part 14 is formed of a metal material or a synthetic resin material, and includes a bottom wall part 16, a cylindrical wall part 18, and a flange part 20.
  • the bottom wall portion 16 has a circular shape, and an air injection valve 22 is disposed at the center thereof.
  • a valve body 2202 of the air injection valve 22 is attached to the bottom wall portion 16, and a check valve 2206 is disposed on the valve body 2202 by a cap nut 2204.
  • the cylindrical wall portion 18 protrudes from the outer peripheral portion of the upper surface of the bottom wall portion 16.
  • the flange portion 20 extends in an annular shape from the outer periphery of the distal end of the cylindrical wall portion 18 to the radially outer side of the cylindrical wall portion 18.
  • the upper surface of the bottom wall portion 16, the inner peripheral surface of the cylindrical wall portion 18, and the surface of the flange portion 20 connected to the inner peripheral surface are covered with a portion near the base portion 14 of the elastic bag body 12.
  • the air extraction jig 24 includes a substrate portion 26, a plurality of positioning rods 28, a coupling portion 30, and a seal member 32.
  • the substrate portion 26 has a disk shape having an outer diameter larger than the outer diameter of the cylindrical wall portion 18.
  • the substrate portion 26 has one side surface 2602 located on one side in the thickness direction and the other side surface 2604 located on the other side in the thickness direction, and is formed of the elastic bag body 12 that covers the tip of the cylindrical wall portion 18.
  • the ring portion 1202 is formed in a size capable of elastic contact with the entire circumference.
  • the positioning rod 28 has a circular cross section and protrudes from a plurality of locations on one side surface 2602 of the substrate portion 26.
  • the plurality of positioning rods 28 can be elastically contacted with the inner peripheral portion 1204 of the elastic bag 12 whose outer peripheral surface 2802 covers the inner peripheral surface of the cylindrical wall portion 18.
  • a nut 29 is fastened to the base end 26 of the positioning rod 28 inserted through the base plate portion 26, so that the nut 29 is attached to the base plate portion 26.
  • a tapered portion 2804 having an outer diameter that decreases toward the tip is provided at the tip of the positioning rod 28.
  • the coupling portion 30 is provided at the center of the other side surface 2604 of the substrate portion 26, and communicates with the one surface so that the vacuum hose 2 is detachably coupled.
  • the coupling portion 30 is formed of a hollow male screw member 3002 whose inside communicates with the inside of the inner peripheral portion 1204 of the elastic bag body 12.
  • the male screw member 3002 is integrally formed with a nut 3004.
  • the open / close valve 4 is coupled to the male screw member 3002, and the vacuum hose 2 is connected to the open / close valve 4.
  • the sealing member 32 is provided on the substrate portion 26, and the elastic bag body 12 covering the collar portion 20 is covered with one side surface 2602 of the substrate portion 26 being in elastic contact with the entire circumference of the annular portion 1202 of the elastic bag body 12. Elastically touch the entire circumference.
  • the plurality of positioning rods 28 are inserted inside the inner peripheral portion 1204 of the elastic bag body 12, and the outer peripheral surfaces 2802 of the plurality of positioning rods 28 are elastically contacted with the inner peripheral portion 1204 of the elastic bag body 12.
  • the state where one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12 is The elastic bag 12 is held by the elastic force of the inner peripheral portion 1204 of the elastic bag 12 compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28.
  • the state in which one side surface 2602 of the substrate portion 26 is in elastic contact with the annular portion 1202 of the elastic bag body 12 is a portion of the inner peripheral portion 1204 of the elastic bag body 12 compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28.
  • the outer diameter of the positioning rod 28, the position of the plurality of positioning rods 28 in the radial direction of the substrate portion 26, the length of the positioning rod 28 in contact with the inner peripheral portion 1204, etc. are determined so as to be held by the elastic force of Yes.
  • the number of the positioning rods 28 may be two or more. However, when the number of the positioning rods 28 is three, the inner peripheral portion 1204 of the elastic bag 12 compressed by the outer peripheral surface 2802 of the positioning rod 28 is compared with the case of two. This is advantageous in that the air extraction jig 24 is held in a stable state by the elastic force of the portion, and is advantageous in simplifying the structure of the air extraction jig 24 compared to the case of four or more.
  • the check valve 2206 is removed from the bottom wall portion 16 via the cap nut 2204.
  • the check valve insertion hole 2210 of the valve body 2202 is exposed on the bottom wall portion 16 as shown in FIG.
  • the plurality of positioning rods 28 are inserted into the inner peripheral portion 1204 of the elastic bag body 12, and the outer peripheral surfaces 2802 of the plurality of positioning rods 28 are brought into elastic contact with the inner peripheral portion 1204.
  • one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12.
  • the state in which one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12 is the inner peripheral portion of the elastic bag body 12 compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28. It is held by the elastic force of the portion 1204. That is, the state where the air extraction jig 24 is airtightly coupled to the base portion 14 is maintained. In this state, the sealing member 32 is elastically contacted with the entire circumference of the portion of the elastic bag 12 that covers the flange portion 20.
  • the vacuum hose 2 is connected to the male screw member 3002 via the on-off valve 4, and the elastic bag 12 is connected via the vacuum hose 2, the on-off valve 4, the male screw member 3002, and the check valve insertion hole 2210 by the operation of the vacuum pump.
  • Remove the internal air When the air is extracted, the elastic bag body 12 is folded into a desired shape, the air extracting jig 24 is removed, and the check valve 2206 is attached to the check valve insertion hole 2210 via the cap nut 2204, and The air bleed operation of the bag body 12 is completed.
  • the air extraction jig 24 that holds the state of being coupled to the base portion 14 by the elastic force of the inner peripheral portion 1204 of the elastic bag body 12 compressed by the plurality of positioning rods 28 is provided. Therefore, it is possible to eliminate the work of holding the state where the conventional vacuum hose 2 is applied to the base part 14, and therefore, the operator only needs to perform the work of crushing the pneumatic fender 10 and folding it into a desired shape. Therefore, it becomes possible for one worker to perform the air extraction work of the pneumatic fender 10, which is advantageous in improving the efficiency of the air extraction work of the pneumatic fender 10.
  • the tapered portion 2804 is provided at the tip of the positioning rod 28, the plurality of positioning rods 28 can be smoothly inserted into the inner peripheral portion 1204 of the elastic bag body 12 without damaging the inner peripheral portion 1204. This is advantageous in that the efficiency of air extraction work of the pneumatic fender 10 is remarkably enhanced.
  • the seal member 32 that can be elastically contacted is provided on the entire circumference of the portion of the elastic bag body 12 that covers the flange portion 20, it is advantageous in airtightly coupling the air extraction jig 24 to the base portion 14, and is pneumatic. This is advantageous in increasing the efficiency of air removal work of the fender 10.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Check Valves (AREA)

Abstract

The present invention improves the efficiency of air removal. When a check valve 2206 is removed from the bottom wall portion 16 of a cap fitting 14 of a pneumatic fender 10, a check valve insertion hole 2210 is exposed in the bottom wall portion 16. A plurality of positioning rods 28 on an air removal jig 24 are inserted into the inner peripheral section 1204 of an elastic bag body 12, and the outer peripheral surfaces 2802 of the plurality of positioning rods 28 are brought into contact with the inner peripheral section 1204 in an elastic manner. A state in which one side surface 2602 of a substrate portion 26 is in contact with an annular portion 1202 of the elastic bag body 12 in an elastic manner is maintained by the elastic force of the portions of the inner peripheral section 1204 of the elastic bag body 12 that are compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28. A vacuum hose 2 is connected to a male thread member 3002 via an on-off valve 4, and air in the interior of the elastic bag body 12 is removed through the vacuum hose 2, on-off valve 4, male thread member 3002, and check valve insertion hole 2210 by actuating a vacuum pump.

Description

空気式防舷材用のエアー抜き取り治具Air extraction jig for pneumatic fenders
　本発明は、空気式防舷材用のエアー抜き取り治具に関する。 The present invention relates to an air extraction jig for a pneumatic fender.
　空気式防舷材は、弾性袋体と、弾性袋体に取着された口金部とを有し、口金部に空気注入用バルブが設けられている。
　空気式防舷材は、その内部に空気注入用バルブを介してエアーが充填されることで一定の形状を保持する。 The pneumatic fender has an elastic bag body and a base part attached to the elastic bag body, and an air injection valve is provided in the base part.
The air type fender is maintained in a certain shape by being filled with air through an air injection valve.
特開２００２－２１０４４号公報JP 200221044 A
　ところで、空気式防舷材を保管あるいは搬送する際、空気式防舷材をコンパクトに折り畳むために、空気式防舷材からエアーを抜き取る必要がある。
　一方、空気式防舷材の大きさが、直径が１ｍから２ｍ、長さが１．５ｍから２ｍとなると、エアー抜き取り作業に際しては、１人の作業者が空気注入用バルブを開放しバキュームポンプに接続されたホースの先部を空気注入用バルブにあてがった状態を保持して防舷材内部の空気をバキュームポンプで抜き取りつつ、もう１人の作業者が防舷材を押しつぶすように圧迫することで空気の抜き取りを補助している。
　そのため、２人の作業者が必要となり作業効率の向上を図る上で改善の余地がある。
　本発明は前記事情に鑑み案出されたものであり、その目的は、エアーの抜き取り効率の向上を図る上で有利な空気式防舷材用のエアー抜き取り治具を提供することにある。 By the way, when storing or transporting a pneumatic fender, it is necessary to extract air from the pneumatic fender in order to fold the pneumatic fender compactly.
On the other hand, when the size of the pneumatic fender becomes 1m to 2m and the length is 1.5m to 2m, one operator opens the air injection valve and pulls the vacuum pump when removing air. While holding the state where the tip of the hose connected to the air injection valve is held and extracting the air inside the fender with a vacuum pump, another worker presses the fender so as to crush it. This helps to remove air.
Therefore, two workers are required, and there is room for improvement in improving work efficiency.
The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide an air extraction jig for a pneumatic fender, which is advantageous in improving air extraction efficiency.
　上記目的を達成するために請求項１記載の発明は、弾性袋体と、前記弾性袋体に設けられた口金部とを有し、前記口金部は、空気注入用バルブが配置された底壁部と、前記底壁部の上面の外周部から突設された筒状壁部と、前記筒状壁部の先端外周から前記筒状壁部の半径方向外側に環状に拡がる鍔部とを有し、前記底壁部の上面、前記筒状壁部の内周面、前記内周面に接続する前記鍔部の表面は前記弾性袋体で覆われている空気式防舷材のエアー抜き取り治具であって、前記筒状壁部の先端を覆う前記弾性袋体の環状部の全周にその厚さ方向の一方の側面が弾接する大きさの基板部と、前記基板部の前記一方の側面の複数箇所から突設され、前記筒状壁部の内周面を覆う前記弾性袋体の内周部にその外周面が弾接可能な複数の位置決めロッドと、前記基板部の厚さ方向の他方の側面に設けられ前記一方の側面に連通しバキュームホースが着脱可能に結合される結合部とを備え、前記基板部の前記一方の側面が前記弾性袋体の前記環状部に弾接した状態が、前記複数の位置決めロッドの外周面で圧縮された前記弾性袋体の前記内周部の部分の弾性力により保持されることを特徴とする。
　請求項２記載の発明は、前記位置決めロッドの先部に、先端に至るに連れて外径が小さくなるテーパー部が設けられていることを特徴とする。
　請求項３記載の発明は、前記基板部に、前記基板部の前記一方の側面が前記弾性袋体の前記環状部に弾接した状態で、前記鍔部を覆う前記弾性袋体部分の全周に弾接可能なシール部材が設けられていることを特徴とする。
　請求項４記載の発明は、前記位置決めロッドは、前記基板部の周方向に等間隔をおいて３本設けられていることを特徴とする。 In order to achieve the above object, the invention according to claim 1 has an elastic bag body and a base portion provided on the elastic bag body, and the base portion has a bottom wall on which an air injection valve is disposed. A cylindrical wall portion projecting from the outer peripheral portion of the upper surface of the bottom wall portion, and a flange portion that annularly expands radially outward from the outer periphery of the distal end of the cylindrical wall portion. Then, the top surface of the bottom wall portion, the inner peripheral surface of the cylindrical wall portion, and the surface of the flange portion connected to the inner peripheral surface are air ventilated and removed from the pneumatic fenders covered with the elastic bag body. A substrate portion having a size such that one side surface in the thickness direction elastically contacts the entire circumference of the annular portion of the elastic bag body covering the tip of the cylindrical wall portion, and the one of the substrate portions. A plurality of positioning locks protruding from a plurality of locations on the side surface and having an outer peripheral surface elastically contacting the inner peripheral portion of the elastic bag body covering the inner peripheral surface of the cylindrical wall portion. And a coupling portion provided on the other side surface in the thickness direction of the substrate portion and connected to the one side surface and detachably coupled to the vacuum hose, wherein the one side surface of the substrate portion is the elastic bag. The state of elastic contact with the annular portion of the body is held by the elastic force of the inner peripheral portion of the elastic bag compressed by the outer peripheral surfaces of the plurality of positioning rods.
The invention described in claim 2 is characterized in that a taper portion whose outer diameter decreases toward the tip is provided at the tip of the positioning rod.
According to a third aspect of the present invention, in the state where the one side surface of the substrate portion is in elastic contact with the annular portion of the elastic bag body, the entire circumference of the elastic bag body portion covering the flange portion is provided on the substrate portion. A seal member capable of being elastically contacted is provided.
The invention described in claim 4 is characterized in that three positioning rods are provided at equal intervals in the circumferential direction of the substrate portion.
　請求項１記載の発明によれば、複数の位置決めロッドで圧縮された弾性袋体の内周部の部分の弾性力により口金部に結合した状態が保持されるエアー抜き取り治具を設けたので、従来のバキュームホースを口金部にあてがった状態を保持する作業を不要とでき、１人の作業者により空気式防舷材のエアー抜き取り作業を行なうことが可能となり、空気式防舷材のエアー抜き取り作業の効率を格段に高める上で有利となる。
　請求項２記載の発明によれば、位置決めロッドの先部にテーパー部を設けたので、複数の位置決めロッドの弾性袋体の内周部への挿入を、内周部を損傷することなく円滑に行なう上で有利となり、空気式防舷材のエアー抜き取り作業の効率を格段に高める上で有利となる。
　請求項３記載の発明によれば、鍔部を覆う弾性袋体の部分の全周に弾接可能なシール部材を設けたので、エアー抜き取り治具を口金部に気密に結合する上で有利となり、空気式防舷材のエアー抜き取り作業の効率を高める上で有利となる。
　請求項４記載の発明によれば、位置決めロッドが２本の場合に較べて弾性袋体の内周部の部分の弾性力によりエアー抜き取り治具が安定した状態で保持される上で有利となり、また、４本以上の場合に較べエアー抜き取り治具の構造を簡単化する上で有利となる。 According to the first aspect of the present invention, since the air extraction jig that holds the state of being coupled to the base portion by the elastic force of the inner peripheral portion of the elastic bag body compressed by the plurality of positioning rods is provided. The work of maintaining the state where the conventional vacuum hose is applied to the base part is not required, and it becomes possible for one operator to perform the air venting operation of the pneumatic fender, and the air vent of the pneumatic fender is removed. This is advantageous in improving work efficiency.
According to the second aspect of the present invention, since the tapered portion is provided at the tip of the positioning rod, the plurality of positioning rods can be smoothly inserted into the inner peripheral portion of the elastic bag body without damaging the inner peripheral portion. This is advantageous in terms of performance, and it is advantageous in that the efficiency of air extraction work of the pneumatic fender is greatly improved.
According to the invention described in claim 3, since the elastic sealing member is provided on the entire circumference of the portion of the elastic bag that covers the collar portion, it is advantageous for airtightly coupling the air extraction jig to the base portion. This is advantageous in increasing the efficiency of the air venting operation of the pneumatic fender.
According to the invention of claim 4, it is advantageous in that the air extraction jig is held in a stable state by the elastic force of the inner peripheral portion of the elastic bag body as compared with the case where there are two positioning rods, Further, it is advantageous in simplifying the structure of the air extraction jig as compared with the case of four or more.
実施の形態における空気式防舷材の構成を示す断面図である。It is sectional drawing which shows the structure of the pneumatic fender in embodiment. 実施の形態における空気式防舷材の口金部とその周囲の断面図である。It is sectional drawing of the nozzle | cap | die part of the pneumatic fender in embodiment, and its circumference | surroundings. 実施の形態に係るエアー抜き取り治具の斜視図である。It is a perspective view of the air extraction jig | tool which concerns on embodiment. （Ａ）は（Ｂ）のＡＡ線断面図、（Ｂ）は実施の形態に係るエアー抜き取り治具の底面図である。(A) is the sectional view on the AA line of (B), (B) is a bottom view of the air extraction jig | tool which concerns on embodiment. 実施の形態に係るエアー抜き取り治具が口金部に取り付けられた状態を示す断面図である。It is sectional drawing which shows the state in which the air extraction jig | tool which concerns on embodiment was attached to the nozzle | cap | die part.
　次に、本実施の形態の空気式防舷材用のエアー抜き取り治具（以下、単にエアー抜き取り治具という）について図面を参照して説明する。
　まず、空気式防舷材について説明する。
　図１に示すように、空気式防舷材１０は、弾性袋体１２と、口金部１４とを備えている。
　弾性袋体１２は、円筒状の胴部１２Ａと、胴部１２Ａの両端に形成された鏡部１２Ｂとを有し、それら胴部１２Ａと鏡部１２Ｂは、内層ゴム、補強層、外層ゴムが積層されて構成されている。
　図１、図２に示すように、口金部１４は、鏡部１２Ｂの中央に設けられている。 Next, an air extraction jig (hereinafter simply referred to as an air extraction jig) for the pneumatic fender according to the present embodiment will be described with reference to the drawings.
First, the pneumatic fender will be described.
As shown in FIG. 1, the pneumatic fender 10 includes an elastic bag body 12 and a base part 14.
The elastic bag body 12 has a cylindrical body portion 12A and mirror portions 12B formed at both ends of the body portion 12A. The body portion 12A and the mirror portion 12B are made of an inner layer rubber, a reinforcing layer, and an outer layer rubber. It is configured by stacking.
As shown in FIGS. 1 and 2, the base part 14 is provided in the center of the mirror part 12B.
　口金部１４は、金属材料または合成樹脂材料で形成され、底壁部１６と、筒状壁部１８と、鍔部２０とを有している。
　底壁部１６は、本実施の形態では、円形を呈し、その中央に空気注入用バルブ２２が配置されている。
　空気注入用バルブ２２のバルブボディ２２０２は底壁部１６に取着され、バルブボディ２２０２には袋ナット２２０４により逆止弁２２０６が配置されている。
　筒状壁部１８は、底壁部１６の上面の外周部から突設されている。
　鍔部２０は、筒状壁部１８の先端外周から筒状壁部１８の半径方向外側に環状に拡がっている。
　底壁部１６の上面、筒状壁部１８の内周面、内周面に接続する鍔部２０の表面は弾性袋体１２の口金部１４の近傍の部分で覆われている。 The base part 14 is formed of a metal material or a synthetic resin material, and includes a bottom wall part 16, a cylindrical wall part 18, and a flange part 20.
In the present embodiment, the bottom wall portion 16 has a circular shape, and an air injection valve 22 is disposed at the center thereof.
A valve body 2202 of the air injection valve 22 is attached to the bottom wall portion 16, and a check valve 2206 is disposed on the valve body 2202 by a cap nut 2204.
The cylindrical wall portion 18 protrudes from the outer peripheral portion of the upper surface of the bottom wall portion 16.
The flange portion 20 extends in an annular shape from the outer periphery of the distal end of the cylindrical wall portion 18 to the radially outer side of the cylindrical wall portion 18.
The upper surface of the bottom wall portion 16, the inner peripheral surface of the cylindrical wall portion 18, and the surface of the flange portion 20 connected to the inner peripheral surface are covered with a portion near the base portion 14 of the elastic bag body 12.
　エアー抜き取り治具２４は、図３、図４（Ａ）、（Ｂ）、図５に示すように、基板部２６と、複数の位置決めロッド２８と、結合部３０と、シール部材３２とを備えている。
　基板部２６は、筒状壁部１８の外径よりも大きい寸法の外径の円板状を呈している。
　基板部２６は、厚さ方向の一方に位置する一方の側面２６０２と、厚さ方向の他方に位置する他方の側面２６０４とを有し、筒状壁部１８の先端を覆う弾性袋体１２の環状部１２０２の全周に弾接できる大きさで形成されている。
　位置決めロッド２８は、断面が円形を呈し、基板部２６の一方の側面２６０２の複数箇所から突設されている。本実施の形態では、基板部２６の周方向に等間隔をおいて３本設けられている。
　複数の位置決めロッド２８は、その外周面２８０２が筒状壁部１８の内周面を覆う弾性袋体１２の内周部１２０４に弾接可能である。
　本実施の形態では、図４（Ａ）に示すように、基板部２６に挿通された位置決めロッド２８の基端の雄ねじ２８１０にナット２９が締結されることで基板部２６に取り付けられている。
　位置決めロッド２８の先部に、先端に至るに連れて外径が小さくなるテーパー部２８０４が設けられている。
　結合部３０は、基板部２６の他方の側面２６０４の中央に設けられ、一方の面に連通しバキュームホース２が着脱可能に結合される。
　結合部３０は、図５に示すように、内部が弾性袋体１２の内周部１２０４の内側に連通する中空状の雄ねじ部材３００２で形成されている。雄ねじ部材３００２には、ナット３００４が一体に形成されている。
　この雄ねじ部材３００２に開閉弁４が結合され、開閉弁４にバキュームホース２が接続される。
　シール部材３２は、基板部２６に設けられ、基板部２６の一方の側面２６０２が弾性袋体１２の環状部１２０２の全周に弾接した状態で、鍔部２０を覆う弾性袋体１２部分の全周に弾接する。 As shown in FIGS. 3, 4 (A), (B), and FIG. 5, the air extraction jig 24 includes a substrate portion 26, a plurality of positioning rods 28, a coupling portion 30, and a seal member 32. ing.
The substrate portion 26 has a disk shape having an outer diameter larger than the outer diameter of the cylindrical wall portion 18.
The substrate portion 26 has one side surface 2602 located on one side in the thickness direction and the other side surface 2604 located on the other side in the thickness direction, and is formed of the elastic bag body 12 that covers the tip of the cylindrical wall portion 18. The ring portion 1202 is formed in a size capable of elastic contact with the entire circumference.
The positioning rod 28 has a circular cross section and protrudes from a plurality of locations on one side surface 2602 of the substrate portion 26. In the present embodiment, three are provided at equal intervals in the circumferential direction of the substrate portion 26.
The plurality of positioning rods 28 can be elastically contacted with the inner peripheral portion 1204 of the elastic bag 12 whose outer peripheral surface 2802 covers the inner peripheral surface of the cylindrical wall portion 18.
In the present embodiment, as shown in FIG. 4A, a nut 29 is fastened to the base end 26 of the positioning rod 28 inserted through the base plate portion 26, so that the nut 29 is attached to the base plate portion 26.
A tapered portion 2804 having an outer diameter that decreases toward the tip is provided at the tip of the positioning rod 28.
The coupling portion 30 is provided at the center of the other side surface 2604 of the substrate portion 26, and communicates with the one surface so that the vacuum hose 2 is detachably coupled.
As shown in FIG. 5, the coupling portion 30 is formed of a hollow male screw member 3002 whose inside communicates with the inside of the inner peripheral portion 1204 of the elastic bag body 12. The male screw member 3002 is integrally formed with a nut 3004.
The open / close valve 4 is coupled to the male screw member 3002, and the vacuum hose 2 is connected to the open / close valve 4.
The sealing member 32 is provided on the substrate portion 26, and the elastic bag body 12 covering the collar portion 20 is covered with one side surface 2602 of the substrate portion 26 being in elastic contact with the entire circumference of the annular portion 1202 of the elastic bag body 12. Elastically touch the entire circumference.
　図５に示すように、複数の位置決めロッド２８を弾性袋体１２の内周部１２０４の内側に挿入し、複数の位置決めロッド２８の外周面２８０２を弾性袋体１２の内周部１２０４に弾接させ、基板部２６の一方の側面２６０２を弾性袋体１２の環状部１２０２に弾接させると、この基板部２６の一方の側面２６０２が弾性袋体１２の環状部１２０２に弾接した状態が、複数の位置決めロッド２８の外周面２８０２で圧縮された弾性袋体１２の内周部１２０４の部分の弾性力により保持される。
　すなわち、基板部２６の一方の側面２６０２が弾性袋体１２の環状部１２０２に弾接した状態が、複数の位置決めロッド２８の外周面２８０２で圧縮された弾性袋体１２の内周部１２０４の部分の弾性力により保持されるように、位置決めロッド２８の外径、複数の位置決めロッド２８の基板部２６の半径方向における位置、内周部１２０４に接触する位置決めロッド２８の長さなどが決定されている。
　なお、位置決めロッド２８は、２本以上であればよいが、３本にすると、２本の場合に較べて、位置決めロッド２８の外周面２８０２で圧縮された弾性袋体１２の内周部１２０４の部分の弾性力によりエアー抜き取り治具２４が安定した状態で保持される上で有利となり、また、４本以上の場合に較べエアー抜き取り治具２４の構造を簡単化する上で有利となる。 As shown in FIG. 5, the plurality of positioning rods 28 are inserted inside the inner peripheral portion 1204 of the elastic bag body 12, and the outer peripheral surfaces 2802 of the plurality of positioning rods 28 are elastically contacted with the inner peripheral portion 1204 of the elastic bag body 12. When one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12, the state where one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12 is The elastic bag 12 is held by the elastic force of the inner peripheral portion 1204 of the elastic bag 12 compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28.
That is, the state in which one side surface 2602 of the substrate portion 26 is in elastic contact with the annular portion 1202 of the elastic bag body 12 is a portion of the inner peripheral portion 1204 of the elastic bag body 12 compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28. The outer diameter of the positioning rod 28, the position of the plurality of positioning rods 28 in the radial direction of the substrate portion 26, the length of the positioning rod 28 in contact with the inner peripheral portion 1204, etc. are determined so as to be held by the elastic force of Yes.
The number of the positioning rods 28 may be two or more. However, when the number of the positioning rods 28 is three, the inner peripheral portion 1204 of the elastic bag 12 compressed by the outer peripheral surface 2802 of the positioning rod 28 is compared with the case of two. This is advantageous in that the air extraction jig 24 is held in a stable state by the elastic force of the portion, and is advantageous in simplifying the structure of the air extraction jig 24 compared to the case of four or more.
　次に本実施の形態の使用方法について説明する。
　まず、底壁部１６から袋ナット２２０４を介して逆止弁２２０６を取り外す。逆止弁２２０６を取り外すと、図５に示すように、底壁部１６には、バルブボディ２２０２の逆止弁挿通用孔２２１０が露出する。
　次に、図５に示すように、複数の位置決めロッド２８を弾性袋体１２の内周部１２０４に挿入し、複数の位置決めロッド２８の外周面２８０２を内周部１２０４に弾接する。
　そして、基板部２６の一方の側面２６０２を弾性袋体１２の環状部１２０２に弾接する。
　この状態で、基板部２６の一方の側面２６０２が弾性袋体１２の環状部１２０２に弾接された状態が、複数の位置決めロッド２８の外周面２８０２で圧縮された弾性袋体１２の内周部１２０４の部分の弾性力によって保持される。
　すなわち、エアー抜き取り治具２４が口金部１４に気密に結合した状態が保持される。
　また、この状態でシール部材３２が鍔部２０を覆う弾性袋体１２の部分の全周に弾接される。
　そして、雄ねじ部材３００２に開閉弁４を介してバキュームホース２を接続し、バキュームポンプの作動によりバキュームホース２、開閉弁４、雄ねじ部材３００２、逆止弁挿通用孔２２１０を介して弾性袋体１２内部のエアーを抜き取る。
　エアーを抜き取ったならば、弾性袋体１２を所望の形状に折り畳み、また、エアー抜き取り治具２４を外し、逆止弁挿通用孔２２１０に袋ナット２２０４を介して逆止弁２２０６を取り付け、弾性袋体１２のエアー抜き取り作業が終了する。 Next, the usage method of this Embodiment is demonstrated.
First, the check valve 2206 is removed from the bottom wall portion 16 via the cap nut 2204. When the check valve 2206 is removed, the check valve insertion hole 2210 of the valve body 2202 is exposed on the bottom wall portion 16 as shown in FIG.
Next, as shown in FIG. 5, the plurality of positioning rods 28 are inserted into the inner peripheral portion 1204 of the elastic bag body 12, and the outer peripheral surfaces 2802 of the plurality of positioning rods 28 are brought into elastic contact with the inner peripheral portion 1204.
Then, one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12.
In this state, the state in which one side surface 2602 of the substrate portion 26 is elastically contacted with the annular portion 1202 of the elastic bag body 12 is the inner peripheral portion of the elastic bag body 12 compressed by the outer peripheral surfaces 2802 of the plurality of positioning rods 28. It is held by the elastic force of the portion 1204.
That is, the state where the air extraction jig 24 is airtightly coupled to the base portion 14 is maintained.
In this state, the sealing member 32 is elastically contacted with the entire circumference of the portion of the elastic bag 12 that covers the flange portion 20.
Then, the vacuum hose 2 is connected to the male screw member 3002 via the on-off valve 4, and the elastic bag 12 is connected via the vacuum hose 2, the on-off valve 4, the male screw member 3002, and the check valve insertion hole 2210 by the operation of the vacuum pump. Remove the internal air.
When the air is extracted, the elastic bag body 12 is folded into a desired shape, the air extracting jig 24 is removed, and the check valve 2206 is attached to the check valve insertion hole 2210 via the cap nut 2204, and The air bleed operation of the bag body 12 is completed.
　本実施の形態によれば、複数の位置決めロッド２８で圧縮された弾性袋体１２の内周部１２０４の部分の弾性力により口金部１４に結合した状態が保持されるエアー抜き取り治具２４を設けたので、従来のバキュームホース２を口金部１４にあてがった状態を保持する作業を不要とでき、そのため、作業者は、空気式防舷材１０を押しつぶし所望の形状に折り畳む作業を行えばよく、したがって、１人の作業者により空気式防舷材１０のエアー抜き取り作業を行なうことが可能となり、空気式防舷材１０のエアー抜き取り作業の効率を格段に高める上で有利となる。 According to the present embodiment, the air extraction jig 24 that holds the state of being coupled to the base portion 14 by the elastic force of the inner peripheral portion 1204 of the elastic bag body 12 compressed by the plurality of positioning rods 28 is provided. Therefore, it is possible to eliminate the work of holding the state where the conventional vacuum hose 2 is applied to the base part 14, and therefore, the operator only needs to perform the work of crushing the pneumatic fender 10 and folding it into a desired shape. Therefore, it becomes possible for one worker to perform the air extraction work of the pneumatic fender 10, which is advantageous in improving the efficiency of the air extraction work of the pneumatic fender 10.
　また、位置決めロッド２８の先部にテーパー部２８０４を設けたので、複数の位置決めロッド２８の弾性袋体１２の内周部１２０４への挿入を、内周部１２０４を損傷することなく円滑に行なう上で有利となり、空気式防舷材１０のエアー抜き取り作業の効率を格段に高める上で有利となる。
　また、鍔部２０を覆う弾性袋体１２の部分の全周に弾接可能なシール部材３２を設けたので、エアー抜き取り治具２４を口金部１４に気密に結合する上で有利となり、空気式防舷材１０のエアー抜き取り作業の効率を高める上で有利となる。 In addition, since the tapered portion 2804 is provided at the tip of the positioning rod 28, the plurality of positioning rods 28 can be smoothly inserted into the inner peripheral portion 1204 of the elastic bag body 12 without damaging the inner peripheral portion 1204. This is advantageous in that the efficiency of air extraction work of the pneumatic fender 10 is remarkably enhanced.
In addition, since the seal member 32 that can be elastically contacted is provided on the entire circumference of the portion of the elastic bag body 12 that covers the flange portion 20, it is advantageous in airtightly coupling the air extraction jig 24 to the base portion 14, and is pneumatic. This is advantageous in increasing the efficiency of air removal work of the fender 10.
２　バキュームホース
４　開閉弁
１０　空気式防舷材
１２　弾性袋体
１２０２　環状部
１２０４　内周部
１４　口金部
１６　底壁部
１８　筒状壁部
２０　鍔部
２２　空気注入用バルブ
２２０２　バルブボディ
２２０４　袋ナット
２２０６　逆止弁
２２１０　逆止弁挿通用孔
２４エアー抜き取り治具
２６　基板部
２６０２　一方の側面
２６０４　他方の側面
２８　位置決めロッド
２８０２　外周面
２８０４　テーパー部
３０　結合部
３００２　雄ねじ部材
３２　シール部材 2 Vacuum hose 4 On-off valve 10 Pneumatic fender 12 Elastic bag body 1202 Annular portion 1204 Inner peripheral portion 14 Base portion 16 Bottom wall portion 18 Cylindrical wall portion 20 Hook portion 22 Air injection valve 2202 Valve body 2204 Cap nut 2206 Check valve 2210 Check valve insertion hole 24 Air extraction jig 26 Substrate portion 2602 One side surface 2604 The other side surface 28 Positioning rod 2802 Outer peripheral surface 2804 Taper portion 30 Coupling portion 3002 Male screw member 32 Seal member

Claims (4)

  1. 　弾性袋体と、前記弾性袋体に設けられた口金部とを有し、
    　前記口金部は、空気注入用バルブが配置された底壁部と、前記底壁部の上面の外周部から突設された筒状壁部と、前記筒状壁部の先端外周から前記筒状壁部の半径方向外側に環状に拡がる鍔部とを有し、
    　前記底壁部の上面、前記筒状壁部の内周面、前記内周面に接続する前記鍔部の表面は前記弾性袋体で覆われている空気式防舷材のエアー抜き取り治具であって、
    　前記筒状壁部の先端を覆う前記弾性袋体の環状部の全周にその厚さ方向の一方の側面が弾接する大きさの基板部と、
    　前記基板部の前記一方の側面の複数箇所から突設され、前記筒状壁部の内周面を覆う前記弾性袋体の内周部にその外周面が弾接可能な複数の位置決めロッドと、
    　前記基板部の厚さ方向の他方の側面に設けられ前記一方の側面に連通しバキュームホースが着脱可能に結合される結合部とを備え、
    　前記基板部の前記一方の側面が前記弾性袋体の前記環状部に弾接した状態が、前記複数の位置決めロッドの外周面で圧縮された前記弾性袋体の前記内周部の部分の弾性力により保持される、
    　ことを特徴とする空気式防舷材のエアー抜き取り治具。     An elastic bag body, and a base provided in the elastic bag body,
    The base portion includes a bottom wall portion on which an air injection valve is disposed, a cylindrical wall portion projecting from an outer peripheral portion of an upper surface of the bottom wall portion, and a cylindrical shape from an outer periphery of a distal end of the cylindrical wall portion. Having a flange that extends in a ring shape radially outward of the wall,
    The upper surface of the bottom wall portion, the inner peripheral surface of the cylindrical wall portion, and the surface of the flange portion connected to the inner peripheral surface are air extraction jigs for a pneumatic fender that is covered with the elastic bag body. There,
    A substrate portion having a size such that one side surface in the thickness direction elastically contacts the entire circumference of the annular portion of the elastic bag body covering the tip of the cylindrical wall portion;
    A plurality of positioning rods projecting from a plurality of locations on the one side surface of the substrate portion, the outer peripheral surface of which can be elastically contacted with the inner peripheral portion of the elastic bag body covering the inner peripheral surface of the cylindrical wall portion;
    A coupling portion provided on the other side surface in the thickness direction of the substrate portion and connected to the one side surface and detachably coupled to a vacuum hose;
    The state in which the one side surface of the substrate portion is in elastic contact with the annular portion of the elastic bag body is the elastic force of the inner peripheral portion of the elastic bag body compressed by the outer peripheral surfaces of the plurality of positioning rods. Held by the
    An air extraction jig for a pneumatic fender characterized by that.
  2. 　前記位置決めロッドの先部に、先端に至るに連れて外径が小さくなるテーパー部が設けられている、
    　ことを特徴とする請求項１記載の空気式防舷材のエアー抜き取り治具。     At the tip of the positioning rod, a tapered portion is provided whose outer diameter decreases as it reaches the tip.
    The air venting jig for a pneumatic fender according to claim 1.
  3. 　前記基板部に、前記基板部の前記一方の側面が前記弾性袋体の前記環状部に弾接した状態で、前記鍔部を覆う前記弾性袋体部分の全周に弾接可能なシール部材が設けられている、
    　ことを特徴とする請求項１または２記載の空気式防舷材のエアー抜き取り治具。     A sealing member capable of being elastically contacted with the entire circumference of the elastic bag body portion covering the flange portion, in a state where the one side surface of the substrate portion is elastically contacted with the annular portion of the elastic bag body. Provided,
    The air extraction jig for a pneumatic fender according to claim 1 or 2.
  4. 　前記位置決めロッドは、前記基板部の周方向に等間隔をおいて３本設けられている、
    　ことを特徴とする請求項１～３の何れか１項記載の空気式防舷材のエアー抜き取り治具。     Three positioning rods are provided at equal intervals in the circumferential direction of the substrate portion.
    The air venting jig for a pneumatic fender according to any one of claims 1 to 3, wherein
PCT/JP2016/074700 2015-08-25 2016-08-24 Air removal jig for pneumatic fenders WO2017033981A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000088690A (en) * 1998-09-09 2000-03-31 Yokohama Rubber Co Ltd:The Method and apparatus for test of airtightness of pneumatic fender
JP2003127981A (en) * 2001-10-29 2003-05-08 Yokohama Rubber Co Ltd:The Pneumatic fender
JP2010006235A (en) * 2008-06-26 2010-01-14 Yokohama Rubber Co Ltd:The Safety valve for fender
JP2012112198A (en) * 2010-11-26 2012-06-14 Yokohama Rubber Co Ltd:The Pneumatic fender and method for conveying the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000088690A (en) * 1998-09-09 2000-03-31 Yokohama Rubber Co Ltd:The Method and apparatus for test of airtightness of pneumatic fender
JP2003127981A (en) * 2001-10-29 2003-05-08 Yokohama Rubber Co Ltd:The Pneumatic fender
JP2010006235A (en) * 2008-06-26 2010-01-14 Yokohama Rubber Co Ltd:The Safety valve for fender
JP2012112198A (en) * 2010-11-26 2012-06-14 Yokohama Rubber Co Ltd:The Pneumatic fender and method for conveying the same

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