JPH01176763U - - Google Patents
Info
- Publication number
- JPH01176763U JPH01176763U JP7398588U JP7398588U JPH01176763U JP H01176763 U JPH01176763 U JP H01176763U JP 7398588 U JP7398588 U JP 7398588U JP 7398588 U JP7398588 U JP 7398588U JP H01176763 U JPH01176763 U JP H01176763U
- Authority
- JP
- Japan
- Prior art keywords
- case
- pressure chamber
- valve
- communication hole
- valve body
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
- Feeding And Controlling Fuel (AREA)
Description
第１図はこの考案の実施例にかかる電磁ポンプ
を第４図に示すように−線に沿つて切断して
示す断面図、第２図はこの考案の実施例に係る圧
力上昇時間調節装置の斜視図、第３図は内壁の正
面図、第４図はこの考案の実施例に係る電磁ポン
プの正面図、第５図は第４図に示す装置をｖ―ｖ
線に沿つて切断した断面図、第６図は吐出圧力と
時間との関係を示したグラフ図である。
２３……圧力上昇時間調節装置、２８……ケー
ス、３２……高圧室、３３……低圧室、３４……
プランジヤ、４０……弁装置、４４……メインス
プリング（スプリング）、４８……弁箱、４９…
…弁体、５０……押圧スプリング。
FIG. 1 is a cross-sectional view of an electromagnetic pump according to an embodiment of this invention taken along the - line as shown in FIG. 4, and FIG. FIG. 3 is a front view of the inner wall, FIG. 4 is a front view of an electromagnetic pump according to an embodiment of this invention, and FIG. 5 is a perspective view of the device shown in FIG. 4.
A sectional view taken along a line, and FIG. 6 is a graph showing the relationship between discharge pressure and time. 23...Pressure rise time adjustment device, 28...Case, 32...High pressure chamber, 33...Low pressure chamber, 34...
Plunger, 40... Valve device, 44... Main spring (spring), 48... Valve box, 49...
... Valve body, 50... Pressing spring.
Claims (1)
時における吐出圧力の急激な上昇を緩和する圧力
上昇時間調整装置において、ポンプに内装される
円筒形状のケースと、該ケース内において摺動自
在に設けられ、高圧通路に接続される高圧室とポ
ンプの低圧通路に接続される低圧室とを区画する
プランジヤと、該プランジヤを高圧室に付勢する
スプリングと、高圧室と低圧室との間に形成の連
通孔と、該連通孔を通つて低圧室に向かう流体の
流出を制御する弁装置とを備え、該弁装置は前記
ケースの一側から前記ケース内に嵌合させて組み
つけられていることを特徴とする圧力上昇時間調
節装置。 (2) 前記弁装置は、ケース内に嵌挿される寸法
の円筒形状の弁箱ケースと、該弁箱ケース内に設
けられ高圧室とを連通する連通孔を開閉する弁体
と、該弁体を連通孔が形成された弁座に付勢する
スプリングとを有し、該弁体は前記ケースの内壁
により移動が制限されるようにしたことを特徴と
する請求項１に記載の圧力上昇時間調節装置。[Scope of Claim for Utility Model Registration] (1) In a pressure rise time adjustment device that is built into an electromagnetic pump and alleviates a sudden rise in discharge pressure when the pump starts operating, a cylindrical case that is built into the pump; a plunger that is slidably provided in the case and partitions a high pressure chamber connected to the high pressure passage and a low pressure chamber connected to the low pressure passage of the pump; a spring that urges the plunger toward the high pressure chamber; A communication hole formed between the chamber and the low pressure chamber, and a valve device for controlling the outflow of fluid toward the low pressure chamber through the communication hole, and the valve device is provided in the case from one side of the case. A pressure rise time adjusting device characterized by being assembled by fitting together. (2) The valve device includes a cylindrical valve case that is fit into the case, a valve body that opens and closes a communication hole provided in the valve body case that communicates with a high pressure chamber, and the valve body. 2. The pressure rise time according to claim 1, further comprising a spring that urges a valve seat in which a communication hole is formed, and a movement of the valve body is restricted by an inner wall of the case. Regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073985U JPH0744763Y2 (en) | 1988-06-03 | 1988-06-03 | Pressure rise time adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988073985U JPH0744763Y2 (en) | 1988-06-03 | 1988-06-03 | Pressure rise time adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01176763U true JPH01176763U (en) | 1989-12-18 |
| JPH0744763Y2 JPH0744763Y2 (en) | 1995-10-11 |
Family
ID=31299106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988073985U Expired - Lifetime JPH0744763Y2 (en) | 1988-06-03 | 1988-06-03 | Pressure rise time adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744763Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62267582A (en) * | 1986-05-14 | 1987-11-20 | Nippon Control Kogyo Kk | Electromagnetic pump |
-
1988
- 1988-06-03 JP JP1988073985U patent/JPH0744763Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62267582A (en) * | 1986-05-14 | 1987-11-20 | Nippon Control Kogyo Kk | Electromagnetic pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744763Y2 (en) | 1995-10-11 |