WO2016021433A1 - 密封装置 - Google Patents

密封装置 Download PDF

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Publication number
WO2016021433A1
WO2016021433A1 PCT/JP2015/071231 JP2015071231W WO2016021433A1 WO 2016021433 A1 WO2016021433 A1 WO 2016021433A1 JP 2015071231 W JP2015071231 W JP 2015071231W WO 2016021433 A1 WO2016021433 A1 WO 2016021433A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
case
fixed
annular
sealing device
Prior art date
Application number
PCT/JP2015/071231
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
中村　亮
Original Assignee
イーグルブルグマンジャパン株式会社
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 イーグルブルグマンジャパン株式会社 filed Critical イーグルブルグマンジャパン株式会社
Priority to JP2016540158A priority Critical patent/JP6483132B2/ja
Priority to KR1020177001055A priority patent/KR101889235B1/ko
Priority to CN201580038217.4A priority patent/CN106537004B/zh
Publication of WO2016021433A1 publication Critical patent/WO2016021433A1/ja

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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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip

Definitions

  • the present invention relates to a sealing device provided with an end face seal.
  • a technique using an end face seal for sealing an annular gap between a relatively rotating shaft and a housing.
  • a technique is known in which a sleeve is fixed to a shaft, a case is fixed to a housing, and an end face seal having a lip portion slidable with respect to the end face of the case is fixed to the sleeve (see Patent Document 1).
  • the sleeve is fixed with the end face seal positioned, and then the case is attached to the housing.
  • the sleeve, the end face seal, and the case have to be sequentially fixed to the device including the shaft and the housing, and the installation work is troublesome.
  • An object of the present invention is to provide a sealing device capable of facilitating installation work.
  • the present invention employs the following means in order to solve the above problems.
  • the sealing device of the present invention is In a sealing device for sealing an annular gap between a relatively rotating shaft and a housing, A sleeve fixed to the shaft; A case fixed to the housing; An end face seal having a lip portion fixed to the sleeve and slidable with respect to the end face of the case; A set plate that temporarily removes the sleeve and the case, and is removed after the case is secured to the housing and the sleeve is secured to the shaft; It is characterized by providing.
  • the order of fixing the case to the housing and fixing the sleeve to the shaft may be either first.
  • the sleeve, the end face seal, and the case can be fixed in a state where the sleeve, the end face seal, and the case are positioned by temporarily fixing the sleeve and the case with the set plate while the end face seal is fixed to the sleeve.
  • a sealing device provided with these sleeves, end face seals, and cases can be handled as one component. Then, after the case is fixed to the housing and the sleeve is fixed to the shaft, the set plate may be removed, so that the mounting operation of the sealing device is easy.
  • the case is A cylindrical portion; An inward flange portion extending radially inward from an end of the cylindrical portion opposite to the sealing target side; With The lip portion in the end face seal may be provided to be slidable with respect to the end face on the sealing target side in the inward flange portion.
  • the case is An annular portion extending from the inward flange portion toward the side opposite to the sealing target side; An annular groove provided on the outer peripheral surface side of the annular portion; With An annular projecting portion projecting radially outward is provided on the outer peripheral surface side of the sleeve,
  • the set plate is A first protrusion engaging the annular groove; A second protrusion sandwiched between the annular portion and the annular protrusion, The set plate is fixed to the sleeve while the first protrusion is engaged with the annular groove and the second protrusion is in close contact with both the annular portion and the annular protrusion.
  • the case and the sleeve may be positioned in the axial direction.
  • the set plate is fixed to the sleeve in a state where the set plate and the annular portion abut against the radial direction, and the set plate is fixed at a plurality of locations in the circumferential direction.
  • the case and the sleeve may be positioned in the radial direction.
  • the mounting operation of the sealing device can be facilitated.
  • FIG. 1 is a plan view of a sealing device according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of the set plate according to the embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view showing a state in the process of attaching the sealing device according to the embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view showing a usage state of the sealing device according to the embodiment of the present invention.
  • FIG. 1 is a plan view of a sealing device according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of the set plate according to the embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view showing a state in the process of attaching the sealing device according to the embodiment of the present invention.
  • the sealing device in FIG. 3 is AA sectional drawing in FIG.
  • the sealing device 100 plays a role of sealing an annular gap between the relatively rotating shaft 300 and the housing 200.
  • the sealing device 100 includes a metal sleeve 110 fixed to the shaft 300, a metal case 130 fixed to the housing 200, and an end face seal 140 made of an elastic material such as rubber fixed to the sleeve 110. It has.
  • a sleeve collar 120 made of metal is provided on the outer peripheral surface side of the sleeve 110 as an annular projecting portion that projects outward in the radial direction.
  • Each of the sleeve 110 and the sleeve collar 120 is provided with through holes 111 and 121 each having a female screw formed on the inner peripheral surface thereof.
  • the sleeve collar 120 is fixed to the sleeve 110 by screwing the set screw 181 into the through holes 111 and 121. Further, the sleeve 110 together with the sleeve collar 120 can be fixed to the shaft 300 by the set screw 181.
  • the sleeve collar 120 can be removed from the sleeve 110, and the sleeve 110 can also be removed from the shaft 300.
  • An annular groove 112 is formed on the inner peripheral surface side of the sleeve 110, and a seal ring 161 is attached to the annular groove 112. As a result, the annular gap between the shaft 300 and the sleeve 110 is sealed.
  • the case 130 includes a cylindrical portion 131, an outward flange portion 132, an inward flange portion 133, and an annular portion 134 that extends from the inward flange portion 133 toward the side opposite to the sealing target (H) (L). Is integrated.
  • the outward flange portion 132 is configured to extend radially outward from the end of the cylindrical portion 131 on the sealing target side (H).
  • a gasket 162 is mounted between the outward flange portion 132 and the end surface of the housing 200 opposite to the sealing target side (H) (L). Thereby, the gap between the housing 200 and the case 130 is sealed.
  • the outward flange portion 132 is provided with a plurality of (four in the illustrated example) through-holes 132a through which shaft portions of bolts 183 for fixing the sealing device 100 to the housing 200 are inserted.
  • the inward flange portion 133 is configured to extend radially inward from an end portion (L) opposite to the sealing target side (H) in the cylindrical portion 131.
  • a gap is formed between the inner peripheral end of the inward flange portion 133 and the sleeve 110 so as not to hinder the rotation of the shaft 300 that rotates together with the sleeve 110.
  • the annular groove 135 is provided in the outer peripheral surface side of the cyclic
  • the end face seal 140 is fixed to the outer peripheral surface of the sleeve 110 while being positioned with respect to the axial direction.
  • the “axial direction” means the direction of the central axis of the shaft 300.
  • the end surface seal 140 includes a lip portion 141 provided slidably with respect to the end surface on the sealing target side (H) in the inward flange portion 133 of the case 130. Accordingly, the end face seal 140 can be sealed between the end face seal 140 and the case 130 in a state where the end face seal 140 is housed in the case 130.
  • the end face seal 140 is provided with a load receiving portion 142 in order to maintain the posture of the end face seal 140 even when the pressure of the fluid to be sealed from the side to be sealed (H) becomes high.
  • the posture of the end surface seal 140 can be maintained by the load receiving portion 142 abutting against the end surface on the sealing target side (H) in the inward flange portion 133.
  • a garter spring 170 for increasing the tightening force of the end face seal 140 with respect to the sleeve 110 is mounted on the outer peripheral surface side of the end face seal 140.
  • a resin set plate 150 such as ABS is provided so that the sealing device 100 including the sleeve 110, the end face seal 140, and the case 130 can be handled as one component.
  • the set plate 150 is provided to temporarily fix the sleeve 110 and the case 130, and is removed after the case 130 is fixed to the housing 200 and the sleeve 110 is fixed to the shaft 300.
  • the set plate 150 is formed with a first protrusion 151, a second protrusion 152, and a through hole 153 with respect to a substantially flat member.
  • the first projecting portion 151 is configured to engage with an annular groove 135 provided on the outer peripheral surface side of the annular portion 134 in the case 130.
  • the second protrusion 152 is configured to be sandwiched between the annular portion 134 of the case 130 and the sleeve collar 120 when the set plate 150 is fixed to the sleeve 110.
  • the set plate 150 is fixed to the sleeve 110 by screwing bolts 182 into the through holes 122 provided in the sleeve collar 120 through the through holes 153.
  • An internal thread is formed on the inner peripheral surface of the through hole 122.
  • the set plate 150 configured as described above is formed on the sleeve 110 in a state where the first protrusion 151 is engaged with the annular groove 135 and the second protrusion 152 is in close contact with both the annular portion 134 and the sleeve collar 120. It is fixed by bolts 182. Accordingly, the case 130 and the sleeve 110 are fixed in a state where the case 130 and the sleeve 110 are positioned in the axial direction.
  • the set plate 150 is configured to be fixed to the sleeve 110 in a state where the set plate 150 and the annular portion 134 of the case 130 abut against the radial direction.
  • the first protrusion 151 on the set plate 150 may be designed to abut against the groove bottom of the annular groove 135.
  • a part of the annular part 134 where the annular groove 135 is not provided may be designed to abut against a part between the first protrusion 151 and the second protrusion 152 in the set plate 150.
  • the set plate 150 is fixed at a plurality of locations in the circumferential direction (four locations in the present embodiment), so that the case 130 and the sleeve 110 are positioned in a state where the case 130 and the sleeve 110 are positioned in the radial direction. Is fixed.
  • the sealing device 100 including the sleeve 110, the end face seal 140, and the case 130 can be handled as one component.
  • the sleeve 110, the end face seal 140, and the case 130 are fixed in a state of being positioned in both the axial direction and the radial direction.
  • the sealing device 100 including the sleeve 110, the end face seal 140, and the case 130 can be handled as one component.
  • the sealing device 100 is fixed to the housing 200 with a plurality of (four in this embodiment) bolts 183.
  • the sealing device 100 is fixed to the housing 200 by fixing the bolt 183 to the housing 200 in a state where the shaft portion of the bolt 183 is inserted into the through hole 132a provided in the outward flange portion 132 of the case 130. Is done.
  • the sealing device 100 is fixed in a state where the gasket 162 is mounted between the outward flange portion 132 and the end surface of the housing 200.
  • the sleeve 110 is fixed to the shaft 300 by screwing the set screw 181.
  • the order of fixing the case 130 to the housing 200 and fixing the sleeve 110 to the shaft 300 may be reversed.
  • FIG. 3 shows a state where the case 130 is fixed to the housing 200 and the sleeve 110 is fixed to the shaft 300.
  • FIG. 4 shows a state where the set plate 150 is removed.
  • the sleeve 110, the end surface seal 140, and the case 130 are temporarily fixed by the set plate 150 while the end surface seal 140 is fixed to the sleeve 110. Can be fixed in a state of being positioned. Accordingly, the sealing device 100 including the sleeve 110, the end face seal 140, and the case 130 can be handled as one component. Since the set plate 150 may be removed after the case 130 is fixed to the housing 200 and the sleeve 110 is fixed to the shaft 300, the attaching operation of the sealing device 100 is easy.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Gasket Seals (AREA)
  • Sealing Devices (AREA)
PCT/JP2015/071231 2014-08-08 2015-07-27 密封装置 WO2016021433A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016540158A JP6483132B2 (ja) 2014-08-08 2015-07-27 密封装置
KR1020177001055A KR101889235B1 (ko) 2014-08-08 2015-07-27 밀봉장치
CN201580038217.4A CN106537004B (zh) 2014-08-08 2015-07-27 密封装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-162331 2014-08-08
JP2014162331 2014-08-08

Publications (1)

Publication Number Publication Date
WO2016021433A1 true WO2016021433A1 (ja) 2016-02-11

Family

ID=55263704

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/071231 WO2016021433A1 (ja) 2014-08-08 2015-07-27 密封装置

Country Status (4)

Country Link
JP (1) JP6483132B2 (zh)
KR (1) KR101889235B1 (zh)
CN (1) CN106537004B (zh)
WO (1) WO2016021433A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019203564A (ja) * 2018-05-24 2019-11-28 イーグルブルグマンジャパン株式会社 密封装置
JP2021076141A (ja) * 2019-11-06 2021-05-20 イーグルブルグマンジャパン株式会社 シール装置
JP7440034B2 (ja) 2020-02-21 2024-02-28 フロイント産業株式会社 乾式造粒機のシール構造及び乾式造粒機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004108228A (ja) * 2002-09-18 2004-04-08 Aktio Corp スラリー輸送用ポンプの軸封装置
WO2012169290A1 (ja) * 2011-06-06 2012-12-13 イーグル工業株式会社 軸封装置
WO2014042085A1 (ja) * 2012-09-11 2014-03-20 イーグル工業株式会社 メカニカルシール
JP2014059039A (ja) * 2012-09-19 2014-04-03 Eagle Industry Co Ltd メカニカルシール

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3600766B2 (ja) * 1999-11-09 2004-12-15 イーグル工業株式会社 メカニカルシール
JP4111698B2 (ja) * 2001-08-31 2008-07-02 イーグル工業株式会社 メカニカルシール装置
GB0214636D0 (en) * 2002-06-22 2002-08-07 Aes Eng Ltd A low cost mechanical seal
JP4625400B2 (ja) * 2005-11-04 2011-02-02 イーグル工業株式会社 メカニカルシール装置
JP5415874B2 (ja) * 2009-09-07 2014-02-12 イーグル工業株式会社 メカニカルシール装置および回転環の固定方法
JP5415980B2 (ja) * 2010-02-08 2014-02-12 イーグル工業株式会社 メカニカルシール装置
EP2886914A4 (en) * 2012-08-22 2016-07-27 Eagle Ind Co Ltd MECHANICAL DOUBLE SEAL
JP2014074430A (ja) * 2012-10-03 2014-04-24 Taisei Denki Kogyosho Co Ltd フロキュレータ用水中軸受のシールリング取り換え方法およびこれに用いる器具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004108228A (ja) * 2002-09-18 2004-04-08 Aktio Corp スラリー輸送用ポンプの軸封装置
WO2012169290A1 (ja) * 2011-06-06 2012-12-13 イーグル工業株式会社 軸封装置
WO2014042085A1 (ja) * 2012-09-11 2014-03-20 イーグル工業株式会社 メカニカルシール
JP2014059039A (ja) * 2012-09-19 2014-04-03 Eagle Industry Co Ltd メカニカルシール

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019203564A (ja) * 2018-05-24 2019-11-28 イーグルブルグマンジャパン株式会社 密封装置
JP7062849B2 (ja) 2018-05-24 2022-05-09 イーグルブルグマンジャパン株式会社 密封装置
JP2021076141A (ja) * 2019-11-06 2021-05-20 イーグルブルグマンジャパン株式会社 シール装置
JP7440034B2 (ja) 2020-02-21 2024-02-28 フロイント産業株式会社 乾式造粒機のシール構造及び乾式造粒機

Also Published As

Publication number Publication date
JPWO2016021433A1 (ja) 2017-05-25
KR20170018431A (ko) 2017-02-17
KR101889235B1 (ko) 2018-08-16
CN106537004A (zh) 2017-03-22
JP6483132B2 (ja) 2019-03-13
CN106537004B (zh) 2018-08-14

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