JPH0356884U

JPH0356884U -

Info

Publication number: JPH0356884U
Application number: JP11616189U
Authority: JP
Priority date: 1989-10-04
Filing date: 1989-10-04
Publication date: 1991-05-31
Anticipated expiration: 2004-10-04
Also published as: JPH0643505Y2

Description

[Brief explanation of drawings]

第１図ないし第８図はこの考案の実施例に関し
、第１図は工具をオイルシールに螺着した状態の
詳細図、第２図はクランクケースの段部に嵌入さ
れているオイルシールを工具により取外すときの
状態図、第３図はオイルシールの縦断面図、第４
図は環状金具の斜視図、第５図は環状ゴムの斜視
図、第６図は強制弁式ピストンポンプの垂直縦断
面図、第７図は第６図のピストン棒の先端部の詳
細な構造図、第８図はプランジヤポンプの垂直縦
断面図、第９図は従来のオイルシールを装備する
プランジヤポンプの分解図である。１０……強制弁式ピストンポンプ（往復ポンプ
）、１２……クランクケース、１８……ピストン
棒（往復動部材）、３４……吸入マニホールド（
ポンプ部ハウジング）、３６……シリンダパイプ
（ポンプ部ハウジング）、３８……吐出マニホー
ルド（ポンプ部ハウジング）、４８……オイルシ
ール、５０……段部、６０……プランジヤポンプ
（往復ポンプ）、６２……プランジヤ（往復動部
材）、６４……マニホールド（ポンプ部ハウジン
グ）、７０……環状金具（環状剛体）、７２……
通孔、７４……環状ゴム（環状弾性部材）、７６
……へこみ（目印）、８２……工具（螺着部材）
。 Figures 1 to 8 relate to an embodiment of this invention. Figure 1 is a detailed view of the tool screwed onto the oil seal, and Figure 2 is a detailed view of the oil seal fitted in the stepped portion of the crankcase. Fig. 3 is a vertical cross-sectional view of the oil seal, Fig. 4
The figure is a perspective view of the annular metal fitting, Figure 5 is a perspective view of the annular rubber, Figure 6 is a vertical cross-sectional view of the forced valve type piston pump, and Figure 7 is a detailed structure of the tip of the piston rod in Figure 6. 8 is a vertical cross-sectional view of a plunger pump, and FIG. 9 is an exploded view of a plunger pump equipped with a conventional oil seal. 10... Forced valve piston pump (reciprocating pump), 12... Crank case, 18... Piston rod (reciprocating member), 34... Suction manifold (
pump part housing), 36... cylinder pipe (pump part housing), 38... discharge manifold (pump part housing), 48... oil seal, 50... step part, 60... plunger pump (reciprocating pump), 62 ... Plunger (reciprocating member), 64 ... Manifold (pump housing), 70 ... Annular metal fitting (annular rigid body), 72 ...
Through hole, 74... Annular rubber (annular elastic member), 76
...dent (mark), 82 ... tool (screwing member)
.

Claims

[Claims for Utility Model Registration] (1) Reciprocating members 18, 62 supported by the crankcase 12 so as to be movable in the axial direction at their base ends.
Pump housings 34, 36, 3 are removably inserted into the tips of the reciprocating members 18, 62 and are removably connected to the crankcase 12.
8, 64, and an oil seal that is fitted into the stepped portion 50 in the crankcase 12 from the tip end to the base end of the reciprocating member 18, 62 and slides into contact with the reciprocating member 18, 62 on the inner peripheral side. 48, and the oil seal 48 includes an annular elastic member 74 and an annular rigid body 70 embedded in the annular elastic member 74.
In this, the annular rigid body 70 is provided with a through hole 72 that penetrates in the axial direction of the oil seal 48,
Pump housing 34 of the annular elastic member 74
, 36, 38, 64 side, the through hole 72 is provided.
A mark 76 is attached at a position corresponding to the screwing member 8.
2 is capable of being screwed onto the oil seal 48 from the mark 76 through the through hole 72 in the axial direction of the oil seal 48. (2) an annular elastic member 74; an annular rigid body 70 formed with a through hole 72 penetrating in the axial direction and embedded in the annular elastic member 74; An oil seal characterized in that it has a mark 76.