JPS5833792U - metering pump - Google Patents
metering pumpInfo
- Publication number
- JPS5833792U JPS5833792U JP12799881U JP12799881U JPS5833792U JP S5833792 U JPS5833792 U JP S5833792U JP 12799881 U JP12799881 U JP 12799881U JP 12799881 U JP12799881 U JP 12799881U JP S5833792 U JPS5833792 U JP S5833792U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- valve body
- metering pump
- communicates
- pressure accumulation
- 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
Landscapes
- Reciprocating Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図から第5図は従来のメータリングポンプを示すも
ので、第1図は正面図、第2図は一部破断側面図、第3
図は第1図の■−■線に沿う断面矢視図、第4図は第2
図のIV−IV線に沿う断面矢視図、第5図は第1図の
■−■線に沿う断面矢視図、第6図は本考案の実施例を
示す断面図である。
1は弁体、2は回転スプール、5は流入孔、6は吸入孔
、7は蓄圧室、8はピストン、9は背圧室、10は流出
孔、11は吐出孔、14.15は細溝、16はドレン孔
。
第3図
第4図Figures 1 to 5 show a conventional metering pump, with Figure 1 being a front view, Figure 2 being a partially cutaway side view, and Figure 3 being a partially cutaway side view.
The figure is a cross-sectional view taken along the line ■-■ in Figure 1, and Figure 4 is a cross-sectional view along the
FIG. 5 is a cross-sectional view taken along the line IV-IV in the figure, FIG. 5 is a cross-sectional view taken along the line ■-■ in FIG. 1, and FIG. 6 is a cross-sectional view showing an embodiment of the present invention. 1 is a valve body, 2 is a rotary spool, 5 is an inflow hole, 6 is a suction hole, 7 is a pressure accumulation chamber, 8 is a piston, 9 is a back pressure chamber, 10 is an outflow hole, 11 is a discharge hole, 14.15 is a narrow Groove, 16 is a drain hole. Figure 3 Figure 4
Claims (1)
孔5と流出孔10とを軸方向に位置をずらせて設けた回
転スプール2を弁体1内で回転することにより、弁体1
に設けた吸入孔6が上記流入孔5に、また弁体1に設け
た吐出孔11が上記流出孔10に交互に連通し、また蓄
圧室7に嵌合したピストン8の背面を、吸入孔6に連通
した背圧室9に対向させてなるメータリングポンプにお
いて、回転スプール2の流出孔11をはさむ両側に円周
方向に細溝14,15を設け、また弁体1に、この両側
412,13に連通ずるドレン孔16を設けたことを特
徴とするメータリングポンプ。By rotating the rotary spool 2 within the valve body 1, which has a pressure accumulation chamber 7 at its axial center and has an inflow hole 5 and an outflow hole 10 communicating with the pressure accumulation chamber 7 shifted in the axial direction. Valve body 1
The suction hole 6 provided in the valve body 1 alternately communicates with the inflow hole 5, and the discharge hole 11 provided in the valve body 1 communicates with the outflow hole 10, and the back surface of the piston 8 fitted in the pressure accumulation chamber 7 is connected to the inlet hole 5. In the metering pump, narrow grooves 14 and 15 are provided in the circumferential direction on both sides of the outflow hole 11 of the rotary spool 2, and the valve body 1 is provided with narrow grooves 14 and 15 on both sides of the outflow hole 11 of the rotary spool 2. , 13. A metering pump characterized in that a drain hole 16 is provided which communicates with .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12799881U JPS5833792U (en) | 1981-08-31 | 1981-08-31 | metering pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12799881U JPS5833792U (en) | 1981-08-31 | 1981-08-31 | metering pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5833792U true JPS5833792U (en) | 1983-03-04 |
JPS6139111Y2 JPS6139111Y2 (en) | 1986-11-10 |
Family
ID=29921711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12799881U Granted JPS5833792U (en) | 1981-08-31 | 1981-08-31 | metering pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5833792U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046139U (en) * | 1983-09-07 | 1985-04-01 | 株式会社クボタ | sand washing equipment |
-
1981
- 1981-08-31 JP JP12799881U patent/JPS5833792U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046139U (en) * | 1983-09-07 | 1985-04-01 | 株式会社クボタ | sand washing equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS6139111Y2 (en) | 1986-11-10 |
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