JPS6243186U - - Google Patents
Info
- Publication number
- JPS6243186U JPS6243186U JP13606785U JP13606785U JPS6243186U JP S6243186 U JPS6243186 U JP S6243186U JP 13606785 U JP13606785 U JP 13606785U JP 13606785 U JP13606785 U JP 13606785U JP S6243186 U JPS6243186 U JP S6243186U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- cylinder hole
- liquid passage
- pump chamber
- outflow side
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例を示すプランジヤポ
ンプの断面図、第２図は先行技術を示すプランジ
ヤポンプの断面図、第３図はセルフシールパツキ
ンの一例を示す斜視図、第４図ないし第６図はそ
れぞれ従来の液交換あるいは空気抜きの方法を概
略的に示す図であを。
３０……プランジヤポンプ、３１……ボデイー
、３３……シリンダ孔、３４……プランジヤ、３
５……ポンプ室、３７……流入側逆止弁、４０…
…セルフシールパツキン、４１……環状溝、４５
……流入側液通路、４８……流出側液通路、５０
……流出側逆止弁。
Fig. 1 is a cross-sectional view of a plunger pump showing an embodiment of the present invention, Fig. 2 is a cross-sectional view of a plunger pump showing the prior art, Fig. 3 is a perspective view showing an example of a self-sealing packing, and Figs. FIG. 6 is a diagram schematically showing a conventional method of exchanging liquid or removing air. 30...Plunger pump, 31...Body, 33...Cylinder hole, 34...Plunger, 3
5...Pump chamber, 37...Inflow side check valve, 40...
...Self-seal packing, 41...Annular groove, 45
... Inflow side liquid passage, 48 ... Outflow side liquid passage, 50
...Outflow side check valve.
Claims (1)
孔に往復動自在に挿入されるプランジヤと、この
プランジヤの先端面とシリンダ孔の内面との間に
形成されるポンプ室と、上記ポンプ室の流入口側
に設けられてポンプ室への液の流入のみを許す流
入側逆止弁と、上記プランジヤとボデイーとの間
に設けられかつプランジヤの円周方向に沿う環状
溝を有したセルフシールパツキンと、上記プラン
ジヤの外周面とシリンダ孔の内周面との間に形成
されて上記パツキンの環状溝と上記ポンプ室とを
結ぶ流入側液通路と、上記ボデイーに設けられか
つ一端側が上記パツキンの環状溝に連通する流出
側液通路と、この流出側液通路の他端側に設けら
れかつこの液通路からの液の流出のみを許す流出
側逆止弁とを具備したことを特徴とする小流量プ
ランジヤポンプ。 A body having a cylinder hole, a plunger inserted into the cylinder hole in a reciprocating manner, a pump chamber formed between the tip end surface of the plunger and the inner surface of the cylinder hole, and an inlet side of the pump chamber. a self-sealing gasket provided between the plunger and the body and having an annular groove along the circumferential direction of the plunger; an inflow side liquid passage formed between the outer circumferential surface of the cylinder hole and the inner circumferential surface of the cylinder hole and connecting the annular groove of the packing and the pump chamber; 1. A small flow rate plunger pump comprising: an outflow side liquid passage; and an outflow side check valve provided at the other end of the outflow side liquid passage and allowing liquid to flow out only from this liquid passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13606785U JPH0410385Y2 (en) | 1985-09-05 | 1985-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13606785U JPH0410385Y2 (en) | 1985-09-05 | 1985-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6243186U true JPS6243186U (en) | 1987-03-16 |
| JPH0410385Y2 JPH0410385Y2 (en) | 1992-03-13 |
Family
ID=31038840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13606785U Expired JPH0410385Y2 (en) | 1985-09-05 | 1985-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410385Y2 (en) |
-
1985
- 1985-09-05 JP JP13606785U patent/JPH0410385Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410385Y2 (en) | 1992-03-13 |