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JPH03123984U - - Google Patents

Info

Publication number
JPH03123984U
JPH03123984U JP3297190U JP3297190U JPH03123984U JP H03123984 U JPH03123984 U JP H03123984U JP 3297190 U JP3297190 U JP 3297190U JP 3297190 U JP3297190 U JP 3297190U JP H03123984 U JPH03123984 U JP H03123984U
Authority
JP
Japan
Prior art keywords
groove
cylinder
plunger
cylindrical surface
contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3297190U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP3297190U priority Critical patent/JPH03123984U/ja
Publication of JPH03123984U publication Critical patent/JPH03123984U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)
  • Sealing Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を説明する構成断面
図、第２図は従来のプランジヤポンプの要部構成
図である。 これらの図において、１２……シリンダ、１３
……プランジヤ、１９……プランジヤシール、１
９ａ……外筒面、１９ｂ……内筒面、１９ｃ……
第１の溝、１９ｄ……第２の溝、２０……スプリ
ング。 FIG. 1 is a cross-sectional view of the structure of an embodiment of the present invention, and FIG. 2 is a view of the main part of a conventional plunger pump. In these figures, 12... cylinder, 13
... Plunger, 19 ... Plunger seal, 1
9a... Outer cylinder surface, 19b... Inner cylinder surface, 19c...
First groove, 19d...Second groove, 20...Spring.

Claims (1)

【実用新案登録請求の範囲】 シリンダ１２側に設けられ、プランジヤ１３が
摺接し、シリンダ１２内の気密を行なう略円環状
のプランジヤシール１９において、 前記プランジヤ１３に当接する内筒面１９ｂと
、 前記シリンダ１２側に当接する外筒面１９ａと
、 液に接する側の端面に、円周方向にわたつて穿
設された第１の溝１９ｃと、 液に接しない側の端面に、円周方向にわたつて
穿設された第２の溝１９ｄと、 前記第２の溝１９ｄに配設され、前記内筒面１
９ｂと外筒面１９ａとを互いに離反する方向に付
勢するスプリング２０とを設けたことを特徴とす
るプランジヤシール。[Claims for Utility Model Registration] In a substantially annular plunger seal 19 provided on the cylinder 12 side, in which the plunger 13 slides and seals the inside of the cylinder 12, an inner cylindrical surface 19b that comes into contact with the plunger 13; An outer cylindrical surface 19a that contacts the cylinder 12 side, a first groove 19c that is bored in the circumferential direction on the end surface that contacts the liquid, and a first groove 19c that extends in the circumferential direction on the end surface that does not contact the liquid. a second groove 19d drilled across; and a second groove 19d disposed in the second groove 19d,
9b and an outer cylindrical surface 19a in a direction that urges them away from each other.
JP3297190U 1990-03-29 1990-03-29 Pending JPH03123984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3297190U JPH03123984U (en) 1990-03-29 1990-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3297190U JPH03123984U (en) 1990-03-29 1990-03-29

Publications (1)

Publication Number Publication Date
JPH03123984U true JPH03123984U (en) 1991-12-17

Family

ID=31536278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3297190U Pending JPH03123984U (en) 1990-03-29 1990-03-29

Country Status (1)

Country Link
JP (1) JPH03123984U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006507462A (en) * 2002-11-22 2006-03-02 ダイオネックス コーポレイション Seals for high pressure pumping systems
JP2009522528A (en) * 2006-01-05 2009-06-11 サン−ゴバン パフォーマンス プラスティックス コーポレイション Annular seal and pump including annular seal
JP2014047664A (en) * 2012-08-30 2014-03-17 Shimadzu Corp Plunger pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006507462A (en) * 2002-11-22 2006-03-02 ダイオネックス コーポレイション Seals for high pressure pumping systems
JP2009522528A (en) * 2006-01-05 2009-06-11 サン−ゴバン パフォーマンス プラスティックス コーポレイション Annular seal and pump including annular seal
JP2014047664A (en) * 2012-08-30 2014-03-17 Shimadzu Corp Plunger pump

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