JPH01157277U - - Google Patents
Info
- Publication number
- JPH01157277U JPH01157277U JP5419188U JP5419188U JPH01157277U JP H01157277 U JPH01157277 U JP H01157277U JP 5419188 U JP5419188 U JP 5419188U JP 5419188 U JP5419188 U JP 5419188U JP H01157277 U JPH01157277 U JP H01157277U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- valve
- pump
- hydraulic fluid
- discharge hole
- 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
- 239000012530 fluid Substances 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案実施例のラジアルプランジヤポ
ンプのチエツクバルブの全体を示す断面図、第２
図は実施例構造の要部を示す拡大断面図である。
Ａ…ラジアルプランジヤポンプ、１０…ポンプ
ボデイ、１５…ポンプ側吐出孔、３０…ケーシン
グ、３１…ケーシング側吐出孔、３３…ストツパ
、４０…チエツクバルブ、４１…ハウジング、４
２…バルブボデイ、４３…バルブシート、４４…
スプリング。
Figure 1 is a sectional view showing the entire check valve of a radial plunger pump according to an embodiment of the present invention;
The figure is an enlarged sectional view showing the main parts of the structure of the embodiment. A... Radial plunger pump, 10... Pump body, 15... Pump side discharge hole, 30... Casing, 31... Casing side discharge hole, 33... Stopper, 40... Check valve, 41... Housing, 4
2...Valve body, 43...Valve seat, 44...
spring.
Claims (1)
ジングの作動液流路内に摺動可能に設けられたバ
ルブボデイと、前記ハウジングの内周面に圧入さ
れているバルブシートと、前記バルブボデイをバ
ルブシート側に所定の押圧力で摺動付勢するスプ
リングとを備え、 ポンプボデイ側で形成された高圧作動液をケー
シング側のポンプ高圧室に吐出すべくポンプボデ
イとケーシング間に形成された吐出孔内に設けら
れ、ポンプ高圧室からポンプボデイ側への高圧作
動液の逆流を防止するチエツクバルブであつて、 前記ハウジングのポンプ高圧室側端面が、吐出
孔のケーシング側に形成されたストツパに当接支
持されていることを特徴とするプランジヤポンプ
のチエツクバルブ。[Claims for Utility Model Registration] A housing in which a hydraulic fluid flow path is formed, a valve body that is slidably provided in the hydraulic fluid flow path of the housing, and a valve that is press-fitted into the inner peripheral surface of the housing. a seat, and a spring that slides and biases the valve body toward the valve seat side with a predetermined pressing force; A check valve is provided in a formed discharge hole to prevent backflow of high-pressure hydraulic fluid from a pump high-pressure chamber to a pump body side, and the end surface of the housing on the pump high-pressure chamber side is formed on a casing side of the discharge hole. A check valve for a plunger pump, characterized in that it is supported in contact with a stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5419188U JPH01157277U (en) | 1988-04-22 | 1988-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5419188U JPH01157277U (en) | 1988-04-22 | 1988-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01157277U true JPH01157277U (en) | 1989-10-30 |
Family
ID=31280127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5419188U Pending JPH01157277U (en) | 1988-04-22 | 1988-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01157277U (en) |
-
1988
- 1988-04-22 JP JP5419188U patent/JPH01157277U/ja active Pending