JPH0213174U - - Google Patents
Info
- Publication number
- JPH0213174U JPH0213174U JP1988088316U JP8831688U JPH0213174U JP H0213174 U JPH0213174 U JP H0213174U JP 1988088316 U JP1988088316 U JP 1988088316U JP 8831688 U JP8831688 U JP 8831688U JP H0213174 U JPH0213174 U JP H0213174U
- Authority
- JP
- Japan
- Prior art keywords
- plunger piston
- plunger
- seal
- attached
- shaped packing
- 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
- 238000012856 packing Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
第１図：本考案のシール構造の概念図であり、
ＡはＶ形パツキングを用いた概念図、ＢはＵ形パ
ツキングを用いた概念図、第２図：従来のシール
構造の概念図。
主な符号、１：シリンダー、２：プランジヤー
ピストン、３Ａ：Ｖ形パツキング、３Ｂ：Ｕ形パ
ツキング、４：凹部、５：シール部、６：吸込口
、７：送出口、８：ボールバルブ、９：中空部、
１０：流路。
Figure 1: A conceptual diagram of the seal structure of the present invention.
A is a conceptual diagram using V-shaped packing, B is a conceptual diagram using U-shaped packing, and FIG. 2 is a conceptual diagram of a conventional seal structure. Main symbols: 1: Cylinder, 2: Plunger piston, 3A: V-shaped packing, 3B: U-shaped packing, 4: Recessed part, 5: Seal part, 6: Suction port, 7: Outlet port, 8: Ball valve, 9: Hollow part,
10: Channel.
Claims (1)
に、シリンダーとプランジヤーピストンとのシー
ル部に、液圧を受けるプランジヤーポンプにおい
て、該シール部に、プランジヤーピストンの前進
方向に凹部を臨ませたＶ形またはＵ形パツキング
を、該プランジヤーピストンの前方寄りに装着し
、プランジヤーピストンの後進方向に凹部を臨ま
せたＶ形またはＵ形パツキングを、該プランジヤ
ーピストンの後方寄りに装着し、プランジヤーピ
ストン作動の相反二方向シールとなした構造を特
徴とするプランジヤーポンプのシール構造。 In a plunger pump that receives hydraulic pressure at the seal part between the cylinder and the plunger piston during both the forward and backward strokes of the plunger piston, the seal part has a V-shape or a recess facing the forward direction of the plunger piston. A U-shaped packing is attached to the front side of the plunger piston, and a V-shaped or U-shaped packing whose concave portion faces the backward movement direction of the plunger piston is attached to the rear side of the plunger piston. A plunger pump seal structure characterized by a two-way seal with opposing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988088316U JPH0213174U (en) | 1988-07-01 | 1988-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988088316U JPH0213174U (en) | 1988-07-01 | 1988-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0213174U true JPH0213174U (en) | 1990-01-26 |
Family
ID=31312887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988088316U Pending JPH0213174U (en) | 1988-07-01 | 1988-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0213174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5578456U (en) * | 1978-11-27 | 1980-05-30 |
-
1988
- 1988-07-01 JP JP1988088316U patent/JPH0213174U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5578456U (en) * | 1978-11-27 | 1980-05-30 |