JPS6243185U - - Google Patents
Info
- Publication number
- JPS6243185U JPS6243185U JP13606685U JP13606685U JPS6243185U JP S6243185 U JPS6243185 U JP S6243185U JP 13606685 U JP13606685 U JP 13606685U JP 13606685 U JP13606685 U JP 13606685U JP S6243185 U JPS6243185 U JP S6243185U
- Authority
- JP
- Japan
- Prior art keywords
- pump chamber
- plunger
- pump
- cylinder hole
- suction passage
- 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 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000013022 venting 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図は第１図中の―線に沿
う断面図、第３図は先行技術を示すプランジヤポ
ンプの断面図、第４図はセルフシールパツキンの
一例を示す斜視図、第５図ないし第７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
に示す図である。
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…
…流出側逆止弁、４５……セルフシールパツキン
、４６……環状溝、５３……吸引用通路。
Fig. 1 is a sectional view of a plunger pump showing an embodiment of the present invention, Fig. 2 is a sectional view taken along the line - in Fig. 1, Fig. 3 is a sectional view of a plunger pump showing the prior art, and Fig. 4 The figure is a perspective view showing an example of a self-sealing packing, and FIGS. 5 to 7 are views schematically showing conventional liquid exchange or air venting methods, respectively. 30...Plunger pump, 31...Body, 33...Cylinder hole, 34...Plunger, 3
5...Pump chamber, 37...Inflow side check valve, 40...
... Outflow side check valve, 45 ... Self-seal packing, 46 ... Annular groove, 53 ... Suction passage.
Claims (1)
ンダ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、上記ポンプ室の流出口側に設
けられてポンプ室からの液の流出のみを許す流出
側逆止弁と、上記プランジヤの外周面とボデイー
との間に設けられかつ上記ポンプ室に連なる環状
溝を有したセルフシールパツキンと、上記ボデイ
ーに設けられかつ上記パツキンの環状溝とボデイ
ーの外部とを連通させる吸引用の通路とを具備し
たことを特徴とする少流量プランジヤポンプ。 (2) 上記吸引用通路に吸引器を接続するととも
に、この吸引器と吸引用通路との間に止め弁を設
けたことを特徴とする実用新案登録請求の範囲第
１項記載の少流量プランジヤポンプ。[Claims for Utility Model Registration] (1) A body having a cylinder hole, a plunger that is reciprocatably inserted into the cylinder hole,
a pump chamber formed between the tip surface of the plunger and the inner surface of the cylinder hole; an inflow side check valve provided on the inflow port side of the pump chamber to allow liquid to flow only into the pump chamber; It has an outflow side check valve that is provided on the outflow port side of the pump chamber and allows only liquid to flow out from the pump chamber, and an annular groove that is provided between the outer peripheral surface of the plunger and the body and that is continuous with the pump chamber. 1. A low flow rate plunger pump comprising: a self-sealing gasket; and a suction passage provided in the body and communicating an annular groove of the gasket with the outside of the body. (2) The low flow rate plunger according to claim 1, which is characterized in that a suction device is connected to the suction passage, and a stop valve is provided between the suction device and the suction passage. pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13606685U JPH0410384Y2 (en) | 1985-09-05 | 1985-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13606685U JPH0410384Y2 (en) | 1985-09-05 | 1985-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6243185U true JPS6243185U (en) | 1987-03-16 |
| JPH0410384Y2 JPH0410384Y2 (en) | 1992-03-13 |
Family
ID=31038838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13606685U Expired JPH0410384Y2 (en) | 1985-09-05 | 1985-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410384Y2 (en) |
-
1985
- 1985-09-05 JP JP13606685U patent/JPH0410384Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410384Y2 (en) | 1992-03-13 |
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