JPH031281U - - Google Patents
Info
- Publication number
- JPH031281U JPH031281U JP6209589U JP6209589U JPH031281U JP H031281 U JPH031281 U JP H031281U JP 6209589 U JP6209589 U JP 6209589U JP 6209589 U JP6209589 U JP 6209589U JP H031281 U JPH031281 U JP H031281U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- sleeve
- gap
- circumferential surface
- interposed
- 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
- 230000003139 buffering effect Effects 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案に係るプランジヤを一部縦断し
て示す側面図、第２図は第１図に示すプランジヤ
の分解斜視図、第３図は本考案に係るプランジヤ
を採用したプランジヤポンプの縦断面図、第４図
は従来技術に係るプランジヤを採用したプランジ
ヤポンプの要部切欠断面図である。
１０……プランジヤ、１２……プランジヤポン
プ、１８……スリーブ、２２……座金。
Fig. 1 is a partially longitudinal side view of the plunger according to the present invention, Fig. 2 is an exploded perspective view of the plunger shown in Fig. 1, and Fig. 3 is a longitudinal cross-section of a plunger pump employing the plunger according to the present invention. The top view and FIG. 4 are cutaway sectional views of essential parts of a plunger pump employing a plunger according to the prior art. 10...Plunger, 12...Plunger pump, 18...Sleeve, 22...Washer.
Claims (1)
位にセラミツクス材質のスリーブ１８を外嵌した
プランジヤにおいて、 前記スリーブ１８の内周面とプランジヤ１０の
外周面との間に周方向の隙間を画成すると共に、
該スリーブ１８の軸方向両端とプランジヤ１０と
の間に熱膨張に伴なう応力を緩衝する緩衝材２２
，２２を介装した ことを特徴とするプランジヤポンプのプランジ
ヤ構造。[Claims for Utility Model Registration] In a plunger in which a sleeve 18 made of a ceramic material is fitted over a portion of the plunger pump 12 that comes into sliding contact with the cylinder, there is a gap between the inner circumferential surface of the sleeve 18 and the outer circumferential surface of the plunger 10 in the circumferential direction. Along with defining a gap,
A buffer material 22 for buffering stress caused by thermal expansion between both axial ends of the sleeve 18 and the plunger 10.
, 22 is interposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6209589U JPH031281U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6209589U JPH031281U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031281U true JPH031281U (en) | 1991-01-09 |
Family
ID=31590933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6209589U Pending JPH031281U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415614C (en) * | 2001-05-28 | 2008-09-03 | 电气化学工业株式会社 | container for electronic components |
| JP2012241616A (en) * | 2011-05-19 | 2012-12-10 | Nikki Co Ltd | Fuel pump |
-
1989
- 1989-05-29 JP JP6209589U patent/JPH031281U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415614C (en) * | 2001-05-28 | 2008-09-03 | 电气化学工业株式会社 | container for electronic components |
| JP2012241616A (en) * | 2011-05-19 | 2012-12-10 | Nikki Co Ltd | Fuel pump |