WO2013085044A1 - 弁装置 - Google Patents

弁装置 Download PDF

Info

Publication number
WO2013085044A1
WO2013085044A1 PCT/JP2012/081826 JP2012081826W WO2013085044A1 WO 2013085044 A1 WO2013085044 A1 WO 2013085044A1 JP 2012081826 W JP2012081826 W JP 2012081826W WO 2013085044 A1 WO2013085044 A1 WO 2013085044A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve body
base
shaft
rotation
valve
Prior art date
Application number
PCT/JP2012/081826
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
純平 堀川
泰一 石坂
Original Assignee
株式会社ニフコ
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 株式会社ニフコ filed Critical 株式会社ニフコ
Priority to IN1303KON2014 priority Critical patent/IN2014KN01303A/en
Priority to CN201280060291.2A priority patent/CN103998838B/zh
Publication of WO2013085044A1 publication Critical patent/WO2013085044A1/ja

Links

Images

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded

Definitions

  • the present invention relates to a valve device that closes one end of a pipe body in a valve-closed state.
  • the bearing portion has a substantially cylindrical shape having a size corresponding to the outer diameter of the shaft portion, and a slit shape formed in the cylindrical axial direction.
  • the outer peripheral portion of the shaft portion is inserted into the inside through this opening and is fitted.
  • the regular rotation of the valve body is ensured only by the bearing portion and the shaft portion, and if there is a clearance between the two, the rotation of the valve body is rattled. It was something that would cause it.
  • valve body of this type of valve device is in a state in which the backlash is minimized with respect to the base supporting the valve body without complicating the structure of the valve device. It is in the point which can be combined.
  • a valve device is provided with a base provided with a mounting portion for a tubular body, And a valve body that is combined with the base so as to be rotatable, and has a lid portion that closes one end of the tubular body at a position before the rotation,
  • the base and the valve body are combined with a shaft provided in one of them in a shaft hole provided in the other,
  • the base is provided with a guide portion that slidably contacts the sliding contact portion of the valve body and cooperates with the shaft portion to regularly rotate the valve body.
  • valve body can be rotated regularly without rattling, and the valve body can be moved from the opened state to the position before the rotation.
  • one end of the tube can be appropriately closed by the lid of the valve body.
  • the base and the valve body are molded in a state in which the shaft portion is accommodated in the bearing portion by a mold constituent member movable in the axial direction of the shaft portion.
  • the guide portion is slidably contacted with the slidable contact portion at least within a range in which the valve body is rotated by a predetermined angle from the pre-rotation position. Further, in the pre-rotation position, it is one of preferred embodiments of the present invention that the shaft portion is in contact with the inner wall of the bearing portion and the guide portion is in contact with the sliding contact portion.
  • one of the guide portion and the sliding contact portion has a convex shape, and the other of them has a concave shape that accepts one of the convex shapes, and in the axial direction of the shaft portion by the cooperation of both.
  • the movement of the valve body may be restricted. In this case, backlash of the valve body in the axial direction of the shaft portion can be minimized.
  • valve body is positioned at the position before rotation by its own weight.
  • valve device may be provided with an urging means for storing an urging force against the valve body by turning from the position before the valve body is turned. In this case, the state where the lid portion of the valve body closes one end of the tube body can be more reliably created and stably maintained by the urging force of the urging means.
  • valve body in the valve device can be combined with the base that supports the valve body in a state in which the backlash is minimized without complicating the structure of the valve device.
  • FIG. 1 is a side view showing a state in which a valve device (first example) according to an embodiment of the present invention is attached to a pipe body, and the valve body is in a valve open state.
  • FIG. 2 is a side view showing a state in which the valve device of the first example is attached to the pipe body, and the valve body is in a closed state.
  • FIG. 3 is a cross-sectional view of the state of FIG. 4 is a cross-sectional view of the state of FIG.
  • FIG. 5 is a perspective view showing the base and the valve body constituting the valve device of the first example separately.
  • FIG. 6 is a side view of the valve device of the first example.
  • FIG. 7 is a plan view of the valve device of the first example.
  • FIG. 8 is a cross-sectional view taken along line AA in FIG.
  • FIG. 9 is a front view of the valve device of the first example.
  • FIG. 10 is a rear view of the valve device of the first example.
  • FIG. 11 is a cross-sectional view of the main part at the BB line position in FIG. 12 is a cross-sectional view taken along the line CC in FIG.
  • FIG. 13 is a side view of a valve device (second example) according to another embodiment of the present invention.
  • FIG. 14 is a plan view of the valve device of the second example.
  • FIG. 15 is a rear view of the valve device of the second example.
  • the valve device V closes one end of the pipe body P in the closed state.
  • the valve device V opens the lower end Pa when the fluid flows out from the lower end Pa of the tubular body P with the lower end Pa open, and the lower end Pa when the outflow stops. It can be used as a backflow prevention valve for fuel or the like.
  • Such a valve device V is formed by combining a base 1 and a valve body 2.
  • the base 1 includes an attachment portion 10 and a shaft portion 11 for the tube body P.
  • the base 1 has a rectangular plate-like portion 12, the attachment portion 10 on one surface side of the rectangular plate-like portion 12, and the shaft portion 11 on the other surface side.
  • the mounting portion 10 is configured as a hollow body protruding from the center of the rectangular plate-like portion 12.
  • the mounting portion 10 has a substantially rectangular cross-sectional outline in a direction perpendicular to the protruding direction.
  • engaging claws 10a are formed on the side portions facing each other across the center of the attachment portion 10, respectively.
  • it is an attachment part from the outer side of the tubular body P with respect to the attachment hole Pb which followed the said cross-sectional outline shape of the attachment part 10 formed in the side part by the side of the lower end Pa of the tubular body P.
  • the pair of engaging claws 10a and 10a are elastically deformed in contact with the edge of the mounting hole Pb to allow this insertion, and the insertion of the rectangular plate-like portion 12 in contact with the outer surface of the tube P is completed.
  • the engaging claw 10a is elastically restored at the position, and is caught in the mounting hole Pb inside the tube body P. (FIG. 3, FIG. 4, FIG. 9)
  • the valve device V can be attached to the lower end Pa portion of the tubular body P with one touch.
  • protrusions 120 are formed on both sides of the rectangular plate-like portion 12 along the length direction of the tubular body P, and the rectangular plate-like portion 12 has a circular cross-sectional shape in the attached state.
  • the protrusions 120 are in contact with each other at two positions on the left and right sides of the mounting portion 10.
  • the attachment part 10 is sufficient as long as it has a structure that can be attached to the tubular body P, and is not limited to the structure shown in the figure.
  • the shaft portion 11 has a cylindrical shape in the illustrated example, and is formed at two left and right positions on the other surface side of the rectangular plate-like portion 12.
  • a direction perpendicular to the other surface of the rectangular plate-like portion 12 is set such that a wall surface runs along the substantially central portion of both sides of the rectangular plate-like portion 12 where the protrusion 120 is formed.
  • a side wall portion 121 is formed so as to protrude from the side.
  • the outer wall surface of the side wall 121 is flush with the side.
  • the shaft portion 11 projects in a direction perpendicular to the outer surface, with one end of the shaft integrally connected to the outer surface of the side wall portion 121.
  • the center line of the left and right shaft portions 11 forms part of the same virtual straight line (indicated by symbol x in FIG. 5, hereinafter referred to as the first straight line).
  • the center line of the left and right shaft portions 11 does not necessarily have to be part of the same virtual straight line.
  • a central wall 122 is formed along an imaginary straight line (indicated by reference numeral x ′ in FIG. 5, hereinafter referred to as a second straight line).
  • the central wall portion 122 has a protruding dimension from the rectangular plate-like portion 12, that is, a height larger than that of the side wall portion 121.
  • the wall upper end 122a of the central wall 122 the position where the first straight line x and the second straight line x ′ intersect, and the wall side end directed downward in the state of attachment to the tubular body P in the central wall 122
  • the portion positioned between the two portions 122b is formed so as to substantially follow an arc of a virtual circle (not shown) surrounding the shaft center line of the shaft portion 11 with the shaft portion 11 as a center.
  • the wall upper end 122a and the wall side end 122b function as a guide portion 13 described later.
  • the left and right side wall portions 121 and 121 and the central wall portion 122 are respectively the same height as the side wall portion 121 and the reinforcing wall portions formed along the first straight line x. 123 is integrated.
  • valve body 2 has a bearing portion 20 of the shaft portion 11 of the base 1 and is rotatably combined with the base 1 and closes the lower end Pa of the tubular body P at a position before the rotation.
  • a lid 21 is provided.
  • the valve body 2 includes the lid portion 21, a base portion 22 on which the bearing portion 20 is formed, and an arm portion 23 that connects the base portion 22 and the lid portion 21.
  • the lid portion 21 of the valve body 2 has a disk shape and has a size capable of closing the lower end Pa of the tubular body P. That is, the lid 21 is configured so that one surface thereof is in close contact with the lower end Pa of the tubular body P at the position before the rotation.
  • the base portion 22 extends between the short side 22a positioned below, the long side 22b positioned above the short side 22a, the short side 22a and the long side 22b, and the middle in the vertical direction at the position before the rotation.
  • the left bearing portion 20 has an outer peripheral portion integrally connected to the left end of the long side 22 b of the base portion 22, and the right bearing portion 20 has an outer peripheral portion integrally connected to the right end of the long side 22 b of the base portion 22.
  • the left side wall 121 of the base 1 is positioned inside the left bearing 20 and the shaft 11 is accommodated in the bearing 20, and the base 1 is placed inside the right bearing 20.
  • the valve body 2 and the base 1 are combined in a state where the right side wall portion 121 is positioned and the shaft portion 11 is accommodated in the bearing portion 20.
  • One end of the arm portion 23 is integrally connected to the center of the other surface of the lid portion 21, and the other end of the arm portion 23 is located at the center position of the short side 22 a on the one surface side of the base portion 22 that is directed downward at the position before the rotation. Are connected together.
  • the length direction of the arm portion 23 is orthogonal to one surface of the base portion 22, whereby the valve body 2 has a lever shape as a whole in a side view.
  • the short side 22 a side is opened on both sides of the base 22 and on the long side 22 b side.
  • a recess 22d is formed in the recess.
  • the left-right dimension of the recess 22d is slightly larger than the thickness of the central wall portion 122 of the base 1, and the central wall is located in the recess 22d within a range in which the valve body 2 rotates by a predetermined angle from the position before rotation.
  • the portion 122 is accommodated, and the inner back portion of the recess 22d is slid on the guide portion 13 which is a portion formed so as to substantially follow an arc of a virtual circle centering on the shaft portion 11 in the central wall portion 122. It comes to be touched.
  • the inner back portion of the recess 22d functions as a sliding contact portion 24 with respect to the guide portion 13. That is, in this embodiment, the guide portion 13 has a convex shape, and the sliding contact portion 24 has a concave shape that receives the convex guide portion 13.
  • the sliding contact portion 24 of the valve body 2 slidably contacted in this way and the guide portion 13 of the base 1 cooperate with the shaft portion 11 to rotate the valve body 2.
  • the movement is made regular.
  • the inner diameter of the bearing portion 20 of the valve body 2 is larger than the outer diameter of the shaft portion 11 of the base 1, but the valve body 2 is rotated by a predetermined angle from the pre-rotation position.
  • the shaft portion 11 is in contact with the inner wall of the bearing portion 20, and the sliding contact portion 24 is in contact with the guide portion 13 on the outside of the shaft portion 11.
  • the valve body 2 can be rotated regularly without rattling.
  • the lower end Pa of the tubular body P can be appropriately closed by the lid portion 21 of the valve body 2.
  • the guide portion 13 has a convex shape and the sliding contact portion 24 has a concave shape for receiving it, so that the valve body in the axial direction of the shaft portion 11 by the cooperation of the both. The movement of 2 is restricted, and the play in this direction is minimized.
  • a mold component such as a slide core (not shown) that moves the base 1 and the valve body 2 in the axial direction of the shaft portion 11 between the bearing portion 20 and the shaft portion 11 is omitted.
  • the inner diameter of the bearing portion 20 and the outer diameter of the shaft portion 11 are set so that a gap can be formed in a state where the shaft portion 11 is housed in the bearing portion 20.
  • the outer surface of the side guide portion 13 of the base 1 and the inner surface of the bearing portion 20 of the valve body 2 are also formed by mold constituent members that are movable in a direction orthogonal to the axial direction of the shaft portion 11.
  • the valve body 2 may be rattled when rotating in the direction intersecting the axial direction of the shaft portion 11 of the base 1 and in the axial direction. Such rattling is suppressed by the guide unit 13.
  • the base 1 and the valve body 2 can be molded simultaneously as a synthetic resin injection-molded product without hindrance.
  • valve body 2 is positioned at the position before the rotation due to its own weight. That is, in this first example, the center of gravity of the valve body 2 at the position before the rotation of the valve body 2 is the side opposite to the lower end Pa side of the tubular body P across the virtual vertical line y passing through the shaft portion 11. It is supposed to be located in. ( Figure 2)
  • the second example which is another embodiment according to the present invention shown in FIG. 13 to FIG. 17, further stores an urging force against the valve body 2 by the rotation of the valve body 2 from the position before the rotation.
  • Force means 3 is provided.
  • a space 123 a for accommodating the winding portion 31 of the torsion coil spring 30 is formed on one of the reinforcing wall portions 123 formed on the left and right sides of the central wall portion 122 of the base 1.
  • the void 123a is open on the side directed downward in the attached state, and is configured so that the winding portion 31 can be fitted therein through the open portion.
  • a fastening portion 122c of the spring one end 32 drawn from the winding portion 31 of the spring 30 is formed on the side surface of the central wall portion 122 below the open portion of the void 123a.
  • a slit 123b communicating with the space 123a is formed at the upper end of the reinforcing wall 123, and the winding of the spring 30 drawn through the slit 123b on the long side 22b of the base 22 of the valve body 2 is formed.
  • a fastening portion 22e of the spring other end 33 pulled out from the portion 31 is formed.
  • the winding part 31 of this spring 30 is elastically deformed by the rotation from the position before rotation of the said valve body 2, and the direction which returns the valve body 2 to the position before rotation is carried out.
  • An urging force is stored in the spring 30. That is, in the illustrated example, the spring 30 functions as the biasing means 3.
  • the shaft portion 11 is provided on the base 1 and the bearing portion 20 is provided on the valve body 2.
  • the bearing portion is provided on the base 1 and the shaft portion is provided on the valve body 2.
  • the shaft portion is provided so as to protrude outward on the left and right sides of the valve body 2, and the formation portion of the shaft portion of the valve body 2 is located between the left and right walls formed on the base 1. Bearing portions that are accommodated and accommodate the shaft portions on the sides corresponding to the left and right walls are provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Valve Housings (AREA)
  • Multiple-Way Valves (AREA)
PCT/JP2012/081826 2011-12-09 2012-12-07 弁装置 WO2013085044A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IN1303KON2014 IN2014KN01303A (zh) 2011-12-09 2012-12-07
CN201280060291.2A CN103998838B (zh) 2011-12-09 2012-12-07 阀装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011270027A JP5991810B2 (ja) 2011-12-09 2011-12-09 弁装置の製造方法、及び弁装置
JP2011-270027 2011-12-09

Publications (1)

Publication Number Publication Date
WO2013085044A1 true WO2013085044A1 (ja) 2013-06-13

Family

ID=48574395

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/081826 WO2013085044A1 (ja) 2011-12-09 2012-12-07 弁装置

Country Status (4)

Country Link
JP (1) JP5991810B2 (zh)
CN (1) CN103998838B (zh)
IN (1) IN2014KN01303A (zh)
WO (1) WO2013085044A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5971957B2 (ja) * 2012-01-17 2016-08-17 株式会社ニフコ 弁装置
WO2016047690A1 (ja) * 2014-09-26 2016-03-31 株式会社パイオラックス フラップ弁装置
CN105042124B (zh) * 2015-08-12 2018-01-30 中国航空工业集团公司西安飞机设计研究所 一种导管端头的单向活门装置
US10465800B2 (en) * 2016-01-22 2019-11-05 Futaba Industrial Co., Ltd. Valve device with axis through its tubular portion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6179079U (zh) * 1984-10-30 1986-05-27
JPH0294979U (zh) * 1989-01-17 1990-07-27
JPH0629921U (ja) * 1992-09-29 1994-04-19 オーエム工業株式会社 燃料タンクの逆流防止弁
JPH1182770A (ja) * 1997-09-12 1999-03-26 Nifco Inc 逆流防止弁構造、及び該逆流防止弁構造を構成するための弁部材

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6337428U (zh) * 1986-08-29 1988-03-10
JP2595222Y2 (ja) * 1992-05-15 1999-05-24 株式会社パイオラックス 逆流防止弁
US5341840A (en) * 1993-11-12 1994-08-30 Tom Wheatley Valve Company Bonnetless swing check valve
JPH1159205A (ja) * 1997-08-27 1999-03-02 Nifco Inc 逆流防止弁
US6192933B1 (en) * 1999-12-03 2001-02-27 Watts Investment Company Backflow prevention assembly
JP2001263514A (ja) * 2000-03-17 2001-09-26 Nifco Inc フラップ弁
JP2002106323A (ja) * 2000-09-28 2002-04-10 Calsonic Kansei Corp 制御マフラ用バルブ
JP4621084B2 (ja) * 2005-07-13 2011-01-26 株式会社パイオラックス 燃料逆流防止弁
JP5284202B2 (ja) * 2009-07-03 2013-09-11 株式会社パイオラックス フラップ弁装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6179079U (zh) * 1984-10-30 1986-05-27
JPH0294979U (zh) * 1989-01-17 1990-07-27
JPH0629921U (ja) * 1992-09-29 1994-04-19 オーエム工業株式会社 燃料タンクの逆流防止弁
JPH1182770A (ja) * 1997-09-12 1999-03-26 Nifco Inc 逆流防止弁構造、及び該逆流防止弁構造を構成するための弁部材

Also Published As

Publication number Publication date
CN103998838B (zh) 2016-03-02
JP5991810B2 (ja) 2016-09-14
CN103998838A (zh) 2014-08-20
IN2014KN01303A (zh) 2015-10-16
JP2013122258A (ja) 2013-06-20

Similar Documents

Publication Publication Date Title
JP5295840B2 (ja) カップホルダー用の径許容機構及びこれを用いたカップホルダー
WO2013085044A1 (ja) 弁装置
US7748679B2 (en) Container securing device
KR101144383B1 (ko) 차량의 컵 홀더
JP2009215740A (ja) 開閉ロック装置
JP2007260011A (ja) 可動体の自動スライド装置
WO2019013048A1 (ja) シフト装置
JP2022067001A (ja) ドアストッパー
JP2018115456A (ja) 開き戸用ドアストッパ及びそれを備えた開き戸セット
JP5971957B2 (ja) 弁装置
JP2010254233A (ja) コンソールボックス
JP4307327B2 (ja) 車両用物品収納装置
JP2006264513A (ja) 車両用収納部構造
JP2018053928A (ja) ヒンジ
JP2010209638A (ja) ヒンジ装置
JP2009173233A (ja) 容器保持装置
JP7426226B2 (ja) シフト装置
JP2013189774A (ja) リッドの動作機構
JP2008296616A (ja) ハートカム式ロック装置
JP2020084583A (ja) 蓋開閉構造
JP5453133B2 (ja) 開閉部材の開閉機構、容器
JP6498898B2 (ja) 開閉容器の開閉機構
JPWO2017145914A1 (ja) 誤給油防止装置
JP2006132838A (ja) 扉開閉機構及びそれを用いた冷蔵庫
JP2008037158A (ja) 車両用引出しテーブル構造

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12855129

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12855129

Country of ref document: EP

Kind code of ref document: A1