JPH0193368U - - Google Patents
Info
- Publication number
- JPH0193368U JPH0193368U JP18774287U JP18774287U JPH0193368U JP H0193368 U JPH0193368 U JP H0193368U JP 18774287 U JP18774287 U JP 18774287U JP 18774287 U JP18774287 U JP 18774287U JP H0193368 U JPH0193368 U JP H0193368U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- reciprocating
- utility
- bush
- model registration
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 239000004642 Polyimide Substances 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Sealing Devices (AREA)
Description
第１図は本考案に係る往復動ポンプの軸封構造
の一実施例を示す断面図、第２図は第１図に示す
軸封部の要部断面図である。
１０……ピストン、１２……ポンプ本体、１４
……ポンプ室、２０……吸込弁、２２……吐出弁
、２４……軸封部屋、２６，３６……ブツシユ、
２８……ばね、３０……ガスケツト、３２……バ
ツクアツプリング、３４……サポートリング。
FIG. 1 is a cross-sectional view showing an embodiment of a shaft seal structure for a reciprocating pump according to the present invention, and FIG. 2 is a cross-sectional view of a main part of the shaft seal shown in FIG. 1. 10...Piston, 12...Pump body, 14
... Pump chamber, 20 ... Suction valve, 22 ... Discharge valve, 24 ... Shaft sealing room, 26, 36 ... Button,
28...Spring, 30...Gasket, 32...Backup spring, 34...Support ring.
Claims (1)
室の内部へピストンを往復動進退させて流体のポ
ンピング作用を行う往復動ポンプにおいて、前記
ピストンの軸封部はポンプ室側から順に前記ポン
プ室内の流体に直接接触するブツシユと、前記ピ
ストンを緊締するガスケツトと、バツクアツプリ
ングとを配列すると共にこれらを軸方向に押圧支
持するサポートリングと、このサポートリングの
後方に配置されるブツシユとで構成してなること
を特徴とする往復動ポンプの軸封構造。 (2) 実用新案登録請求の範囲第１項記載の往復
動ポンプの軸封構造において、前記各ブツシユお
よびバツクアツプリングはポリイミドからなる往
復動ポンプの軸封構造。 (3) 実用新案登録請求の範囲第１項記載の往復
動ポンプの軸封構造において、前記各ブツシユお
よびバツクアツプリングはポリアミドからなる往
復動ポンプの軸封構造。[Claims for Utility Model Registration] (1) In a reciprocating pump that pumps fluid by reciprocating a piston into a pump chamber set between a suction valve and a discharge valve, the shaft of the piston The sealing part includes, in order from the pump chamber side, a bush that comes into direct contact with the fluid in the pump chamber, a gasket that tightens the piston, a support ring that arranges a back spring and presses and supports these in the axial direction, and this support. A shaft sealing structure for a reciprocating pump characterized by comprising a ring and a bush located behind the ring. (2) Utility Model Registration Scope of claim 1 The shaft sealing structure for a reciprocating pump according to claim 1, wherein each bush and the back spring are made of polyimide. (3) Utility Model Registration Scope of Claim 1: The shaft sealing structure for a reciprocating pump according to claim 1, wherein each of the bushes and the back spring are made of polyamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18774287U JPH0193368U (en) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18774287U JPH0193368U (en) | 1987-12-11 | 1987-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193368U true JPH0193368U (en) | 1989-06-20 |
Family
ID=31478875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18774287U Pending JPH0193368U (en) | 1987-12-11 | 1987-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031828A (en) * | 2010-08-03 | 2012-02-16 | Shimadzu Corp | Liquid delivery pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6157177B2 (en) * | 1978-12-25 | 1986-12-05 | Nippon Synthetic Chem Ind |
-
1987
- 1987-12-11 JP JP18774287U patent/JPH0193368U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6157177B2 (en) * | 1978-12-25 | 1986-12-05 | Nippon Synthetic Chem Ind |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031828A (en) * | 2010-08-03 | 2012-02-16 | Shimadzu Corp | Liquid delivery pump |
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