WO2020241304A1 - 排気管開閉弁装置 - Google Patents

排気管開閉弁装置 Download PDF

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Publication number
WO2020241304A1
WO2020241304A1 PCT/JP2020/019429 JP2020019429W WO2020241304A1 WO 2020241304 A1 WO2020241304 A1 WO 2020241304A1 JP 2020019429 W JP2020019429 W JP 2020019429W WO 2020241304 A1 WO2020241304 A1 WO 2020241304A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
exhaust pipe
inner peripheral
rotary shaft
valve device
Prior art date
Application number
PCT/JP2020/019429
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
後藤　謙一
賢治 齋藤
政貴 町田
Original Assignee
クノールブレムゼ商用車システムジャパン株式会社
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 クノールブレムゼ商用車システムジャパン株式会社 filed Critical クノールブレムゼ商用車システムジャパン株式会社
Priority to CN202080021683.2A priority Critical patent/CN113574260A/zh
Publication of WO2020241304A1 publication Critical patent/WO2020241304A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps

Definitions

  • the present invention relates to a technical field of an exhaust pipe on-off valve device that adjusts an exhaust gas pressure by changing the angle of a valve provided in a passage in the middle of an exhaust pipe.
  • Patent Document 1 With the technique described in Patent Document 1, it is technically difficult to manufacture the expanded graphite braided gland packing, and the cost is high. In addition, the pressurized load at the time of assembling is large, the cover moves, and it is necessary to increase the strength of the body.
  • the present invention has been made in view of such circumstances, and provides an exhaust pipe on-off valve device that is inexpensive, can be easily assembled, and can operate smoothly even in a high temperature and corrosive environment.
  • the exhaust pipe on-off valve device is A valve housing provided in the middle of the exhaust pipe and formed with an inner peripheral hole forming a part of the exhaust pipe.
  • a valve that is supported so that the inner peripheral hole of the valve housing can be opened and closed,
  • An actuator that rotates the valve and With
  • a rotary shaft hole for supporting the valve is formed in the inner peripheral hole.
  • a wire bush is inserted into the rotary shaft hole,
  • the valve A rotary shaft member rotatably supported in the rotary shaft hole via the wire bush,
  • the wire bush and the rotary shaft member are characterized in that they come into contact with each other at a plurality of points or lines.
  • the wire bush is characterized by having a protrusion protruding in at least one of the axial directions of the rotating shaft member at an end portion on the inner peripheral side.
  • the exhaust pipe on-off valve device is A holding member is provided between the wire bush and the lever. It is characterized in that a seal ring is installed inside the holding member and around the rotating shaft member.
  • a valve housing provided in the middle of the exhaust pipe and formed with an inner peripheral hole forming a part of the exhaust pipe.
  • a valve that is supported so that the inner peripheral hole of the valve housing can be opened and closed, An actuator that rotates the valve and With The valve housing
  • a rotary shaft hole for supporting the valve is formed in the inner peripheral hole.
  • a wire bush is inserted into the rotary shaft hole, The valve A rotary shaft member rotatably supported in the rotary shaft hole via the wire bush, A valve body fixed to the rotating shaft member to open and close the inner peripheral hole, Because it has The exhaust pipe on-off valve device is inexpensive, can be easily assembled, and can operate smoothly even in a high temperature and corrosive environment.
  • the wire bush and the rotating shaft member come into contact with each other at a plurality of points or lines, The wire bush receives the load accurately, and the exhaust pipe on-off valve device can operate more smoothly.
  • the wire bush has a protrusion protruding in at least one of the axial directions of the rotating shaft member at the inner peripheral end, the wire bush has a protrusion. Deformation of the wire bush during pressurization can be promoted, and the density and rigidity can be increased.
  • a holding member is provided between the wire bush and the lever. Since the seal ring is installed inside the holding member and around the rotating shaft member, Even if the wire bush is unevenly worn, shaft leakage can be prevented.
  • the front view of the exhaust pipe on-off valve device of this embodiment is shown.
  • the side view of the exhaust pipe on-off valve device of this embodiment is shown.
  • the valve of the exhaust pipe on-off valve device of this embodiment is shown.
  • the enlarged view around the valve of FIG. 1 is shown.
  • the wire bush of the exhaust pipe on-off valve device of this embodiment is shown.
  • the labyrinth ring of the exhaust pipe on-off valve device of this embodiment is shown.
  • FIG. 1 shows a front view of the exhaust pipe on-off valve device 1 of the present embodiment.
  • FIG. 2 shows a side view of the exhaust pipe on-off valve device 1 of the present embodiment.
  • FIG. 3 shows the valve 3 of the exhaust pipe on-off valve device 1 of the present embodiment.
  • FIG. 4 shows an enlarged view of the periphery of the valve of FIG.
  • FIG. 5 shows a wire bush 61 of the exhaust pipe on-off valve device 1 of the present embodiment.
  • FIG. 6 shows the labyrinth ring 65 of the exhaust pipe on-off valve device 1 of the present embodiment.
  • the exhaust pipe on-off valve device 1 of the present embodiment includes a valve housing 2 provided in the middle of an exhaust pipe (not shown), a valve 3 rotatably supported by the valve housing 2, and a bracket 4 for supporting the valve housing 2.
  • An actuator 5 supported by a bracket 4 and driving a valve 3 is provided.
  • the valve housing 2 is formed with an inner peripheral hole 2a that is connected to the exhaust pipe and forms a part of the exhaust pipe.
  • inner peripheral hole 2a In the inner peripheral hole 2a, two rotating shaft holes 2b are formed at positions facing the inner peripheral hole shaft 2c.
  • material of the valve housing 2 it is preferable to use spheroidal graphite cast iron (FCD450), stainless cast steel (SCS13) or the like.
  • the valve 3 has a butterfly type valve body 31 that opens and closes the inner peripheral hole 21, and a rotary shaft member 32 that is fixed to the valve body 31 by a bolt or the like.
  • the rotary shaft member 32 is rotatably supported by the valve housing 2 via a wire bush 61 inserted into the rotary shaft hole 2b.
  • As the material of the rotary shaft member 32 it is preferable to use stainless steel (SUS303) or the like.
  • the bracket 4 supports the valve housing 2 and the actuator 5 with bolts or the like.
  • the bracket 4 has a first bracket 41 that supports the actuator 5 side of the valve housing 2.
  • the first bracket 41 is formed with a through hole 4a through which the rotary shaft member 32 rotatably penetrates.
  • a first stopper 42 and a second stopper 43 are attached to the first bracket 41.
  • the first stopper 42 is installed on one side of the lever 523, which will be described later, and the second stopper 43 is installed on the other side of the lever 523, and regulates the rotation of the lever 523 on each side. That is, when the lever 523 comes into contact with the first stopper 42 and the second stopper 43, the rotation of the lever 523 is restricted, and as a result, the rotation of the valve body 31 is restricted.
  • the first stopper 42 and the second stopper 43 are composed of bolts.
  • the contact position between the first stopper 42 and the second stopper 43 and the lever 523 is adjusted.
  • the rotation angle of the valve body 31 is adjusted.
  • the actuator 5 is supported by the bracket 4 and opens and closes the valve 3 with respect to the inner peripheral hole 2a of the valve housing 2. As will be described later, the actuator 5 of the present embodiment slides the piston 512 against the urging force of the compression spring 514 by the compressed air supplied from the supply port 511a into the cylinder 511 and moves the piston rod 513. It has a drive unit 51 to be driven, and a link-shaped transmission unit 52 that transmits the drive force of the drive unit 51 to the rotary shaft member 32.
  • the drive unit 51 includes a cylinder 511, a piston 512 that moves in the cylinder 511, a piston rod 513 that supports the piston 512, a compression spring 514 that urges the piston 512 to the opposite side of the transmission unit 52, and one end of the cylinder 511.
  • the transmission unit 52 includes a joint 521 rotatably connected to the piston rod 513, a clevis 522 rotatably connected to the joint 521, and one rotatably connected to the clevis 522 and the other. It has a lever 523 connected to the rotary shaft member 32.
  • the driving unit 51 of the actuator 5 When the driving unit 51 of the actuator 5 operates, the driving force is transmitted to the rotating shaft member 32 via the transmitting unit 52, the rotating shaft member 32 rotates, and the valve body 31 rotates. Specifically, the piston 512, the piston rod 513, the joint 521, and the clevis 522 move to rotate the lever 523, whereby the rotating shaft member 32 rotates and the valve body 31 rotates.
  • Wire bushes 61 are inserted into the rotary shaft hole 2b on both sides of the inner peripheral hole 2a.
  • a spacer 62 is installed on the inner peripheral hole 2a side of both wire bushes 61.
  • a cover 63 is installed on the outside of the wire bush 61 on the side opposite to the actuator 5 with respect to the inner peripheral hole 2a.
  • a pressing member 64 is installed between the rotating shaft member 32 and the through hole 4a formed in the first bracket.
  • a ring spring-shaped labyrinth ring 65 is installed inside the pressing member 64.
  • the wire bush 61 of the exhaust pipe on-off valve device 1 of the present embodiment uses as little lubricant, adhesive, or impregnating agent as possible, and knits fine metal wires into a knitted shape and processes them into compression or wavy shape. It was done.
  • the material of the wire bush 61 may be a metal such as stainless steel, copper, zinc, aluminum, titanium, or magnesium.
  • the wire diameter of the metal used for the wire bush 61 is preferably about 0.1 mm to 0.3 mm.
  • the density of the wire bush 61 is preferably 3 g / cm 3 to 6 g / cm 3 . It is preferable to secure an oxidizing atmosphere heat resistant temperature of 650 ° C. or higher for the wire bush 61.
  • the performance of the wire bush 61 does not change even in an environment of high temperature and high pressure, and vibration can be absorbed by the elasticity and friction of the knitted metal wire. Therefore, the exhaust pipe on-off valve device 1 of the present embodiment has the same. Anti-vibration can be accurately performed even in a high temperature and high pressure environment. Further, since the wire bush 61 is less likely to be deformed and broken when it receives an impact, the exhaust pipe on-off valve device 1 of the present embodiment can also reduce the risk of breakage.
  • the wire bush 61 of the present embodiment has a protrusion 61a protruding in the axial direction of the rotating shaft member 32 at the end on the inner peripheral side.
  • the protrusions 61a may be provided on at least one side of the wire bush 61 in the axial direction of the rotating shaft member 32, but may be provided on both sides.
  • the material of the spacer 62 is aluminum bronze (C6191) or the like
  • the material of the pressing member 64 is stainless steel (SUS303) or the like
  • the spring material of the labyrinth ring 65 is stainless steel (SUS316) or the like.
  • the labyrinth ring 65 has a labyrinth ring for holes and a labyrinth ring for shafts.
  • the inner diameter of the labyrinth ring for the shaft is smaller than the shaft diameter of the rotating shaft member 32
  • the outer diameter of the labyrinth ring for the hole is larger than the stepped hole diameter of the holding member 64
  • each clearance is due to the spring effect acting in each radial direction. It is possible to prevent shaft leakage by keeping the amount to a minimum.
  • the wire bush 61 is inserted into the rotary shaft hole 2b when the rotary shaft member 32 is temporarily assembled to the valve housing 2.
  • the inserted wire bush 61 is pressurized by a jig. After that, the wire bush 61 is tightened by the pressing member 64. However, the wire bush 61 does not move, the density of the wire rod becomes high, and the wire bush 61 and the rotating shaft member 32 are in a tightly fitted state.
  • the density of the wire rod of the wire bush 61 becomes high at the time of pressurization, the clearance between the wire bush 61 and the rotating shaft member 32 is eliminated, and the wire bush 61 is brought into contact with each other at a plurality of points or wires.
  • the wire bush 61 can be accurately positioned without the 61 moving. Further, since the density of the wire rod of the wire bush 61 is increased, the exhaust pressure can be received on the entire surface, and the rotary shaft member 32 can be smoothly operated.
  • the actuator 5 Normally, the actuator 5 is not operating, the lever 523 is in contact with the first stopper 42, and the valve body 31 has the inner peripheral hole 2a fully opened.
  • the actuator 5 operates, air is supplied into the cylinder 511 and the piston 512 moves in the cylinder 511.
  • the piston 512 moves, the piston rod 513 moves and presses the joint 521.
  • the clevis 522 rotates and the lever 523 rotates.
  • the lever 523 rotates, the rotation shaft member 32 rotates.
  • the valve body 31 rotates in the direction of closing the inner peripheral hole 2a.
  • the lever 523 rotates as it is, it comes into contact with the second stopper 43 on the axis 51c of the cylinder 511. At this time, it is preferable that the valve body 51 is set so as to fully close the inner peripheral hole 2a.
  • a labyrinth seal is used as the seal ring, but a C ring or the like may also be used.
  • the valve housing 2 provided in the middle of the exhaust pipe 10 and the inner peripheral hole 2a forming a part of the exhaust pipe 10 is formed, and the valve housing 2 A valve 3 for opening and closing the inner peripheral hole 2a and an actuator 5 for rotating the valve 3 are provided, and the valve housing 2 is formed with a rotary shaft hole 2b for supporting the valve 3 in the inner peripheral hole 2a.
  • the wire bush 61 is inserted into the rotary shaft hole 2b, and the valve 3 has a rotary shaft member 32 rotatably supported by the rotary shaft hole 2b via the wire bush 1 and an inner circumference fixed to the rotary shaft member 32. It has a valve body 31 that opens and closes the hole 2a. Therefore, the exhaust pipe on-off valve device 1 is inexpensive, can be easily assembled, and can operate smoothly even in a high temperature and corrosive environment.
  • the wire bush 61 and the rotary shaft member 32 come into contact with each other at a plurality of points or lines. Therefore, the wire bush 61 receives the load accurately, and the exhaust pipe on-off valve device 1 can operate more smoothly.
  • the wire bush 61 has a protrusion protruding from at least one of the axial directions of the rotating shaft member at the end on the inner peripheral side. Therefore, the deformation of the wire bush 61 during pressurization can be promoted, and the density and rigidity can be increased.
  • a pressing member 64 is provided between the wire bush 61 and the lever 523, and a seal ring is provided inside the pressing member 64 and around the rotating shaft member 32. Since 65 is installed, even if the wire bush 61 is unevenly worn, shaft leakage can be prevented.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Lift Valve (AREA)
PCT/JP2020/019429 2019-05-30 2020-05-15 排気管開閉弁装置 WO2020241304A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080021683.2A CN113574260A (zh) 2019-05-30 2020-05-15 排气管开闭阀装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019101301A JP7232127B2 (ja) 2019-05-30 2019-05-30 排気管開閉弁装置
JP2019-101301 2019-05-30

Publications (1)

Publication Number Publication Date
WO2020241304A1 true WO2020241304A1 (ja) 2020-12-03

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Application Number Title Priority Date Filing Date
PCT/JP2020/019429 WO2020241304A1 (ja) 2019-05-30 2020-05-15 排気管開閉弁装置

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JP (1) JP7232127B2 (zh)
CN (1) CN113574260A (zh)
WO (1) WO2020241304A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7064959B2 (ja) 2017-08-01 2022-05-11 ベック株式会社 装飾被膜面の形成方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634143U (ja) * 1992-09-30 1994-05-06 フジオーゼックス株式会社 排気ブレーキ用バタフライバルブ装置
JPH07119498A (ja) * 1993-10-28 1995-05-09 Calsonic Corp 排気系のバルブ装置
JPH11166428A (ja) * 1997-12-03 1999-06-22 Jidosha Kiki Co Ltd 排気ブレーキバルブ
JPH11294200A (ja) * 1998-04-07 1999-10-26 Jidosha Kiki Co Ltd バタフライバルブ
JP2007032301A (ja) * 2005-07-22 2007-02-08 Taiho Kogyo Co Ltd バルブアセンブリ
JP2017160880A (ja) * 2016-03-11 2017-09-14 クノールブレムゼ商用車システムジャパン株式会社 排気管開閉弁装置
US20180023462A1 (en) * 2016-07-24 2018-01-25 Honeywell International Inc. Turbine wastegate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001289071A (ja) * 2000-04-05 2001-10-19 Bosch Braking Systems Co Ltd 排気管バルブ装置
JP4469637B2 (ja) * 2004-03-12 2010-05-26 愛三工業株式会社 内燃機関の排気制御装置
CN203161357U (zh) * 2013-02-27 2013-08-28 宝鸡市盟发汽车部件有限责任公司 柴油机背压控制阀总成
WO2015078432A1 (de) * 2013-11-30 2015-06-04 Kohlhage Automotive GmbH & Co. KG Ventileinheit, wie abgasklappeneinheit für kfz
EP3477071B1 (en) * 2017-10-26 2021-02-17 Garrett Transportation I Inc. Turbocharger turbine wastegate assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634143U (ja) * 1992-09-30 1994-05-06 フジオーゼックス株式会社 排気ブレーキ用バタフライバルブ装置
JPH07119498A (ja) * 1993-10-28 1995-05-09 Calsonic Corp 排気系のバルブ装置
JPH11166428A (ja) * 1997-12-03 1999-06-22 Jidosha Kiki Co Ltd 排気ブレーキバルブ
JPH11294200A (ja) * 1998-04-07 1999-10-26 Jidosha Kiki Co Ltd バタフライバルブ
JP2007032301A (ja) * 2005-07-22 2007-02-08 Taiho Kogyo Co Ltd バルブアセンブリ
JP2017160880A (ja) * 2016-03-11 2017-09-14 クノールブレムゼ商用車システムジャパン株式会社 排気管開閉弁装置
US20180023462A1 (en) * 2016-07-24 2018-01-25 Honeywell International Inc. Turbine wastegate

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Publication number Publication date
JP2020193609A (ja) 2020-12-03
CN113574260A (zh) 2021-10-29
JP7232127B2 (ja) 2023-03-02

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