JPH01152078U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一部切欠いた縦断面図、第
２図は従来形式の往復動ポンプの一部切欠いた縦
断面図、第３図は従来形式の他のポンプ施設の要
部説明図である。 ４０……仕切壁、５０Ｃ……シリンダー、５０
ｆ……ポンプ室、５０Ｋ……クランクケース、５
０Ｍ……駆動源、５２……マニホールド、５８…
…吸入弁、６０……吸入弁座、６１……ピストン
桿、ｈ……通孔、ｒ……空気室。 Figure 1 is a partially cutaway vertical sectional view of this invention, Figure 2 is a partially cutaway vertical sectional view of a conventional reciprocating pump, and Figure 3 is an explanatory diagram of the main parts of another conventional pump facility. It is. 40...Partition wall, 50C...Cylinder, 50
f...Pump room, 50K...Crankcase, 5
0M...Drive source, 52...Manifold, 58...
... Suction valve, 60... Suction valve seat, 61... Piston rod, h... Through hole, r... Air chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダー内に吸入弁と吐出弁との間に形成さ
れたポンプ室内をクランクケース内の駆動源で往
復動部材を進退させると共に、前記吸入弁の吸入
側にマニホールドが付設された往復動ポンプにお
いて、前記吸入弁５８が就座する吸入弁座６０を
定着せるマニホールド５２内側壁と、この吸入弁
座６０との間に仕切壁４０を定着し、該仕切壁４
０とマニホールド５２内周壁との間に一定容積の
空気室ｒを形成すると共に、仕切壁４０下方に前
記吸入口５１と空気室ｒとを連通する通孔ｈを設
けてなる往復動ポンプの脈動吸収装置。 A reciprocating pump in which a reciprocating member is moved forward and backward in a pump chamber formed between a suction valve and a discharge valve in a cylinder by a drive source in a crankcase, and a manifold is attached to the suction side of the suction valve, A partition wall 40 is fixed between the inner wall of the manifold 52 on which the suction valve seat 60 on which the suction valve 58 is seated is fixed, and this suction valve seat 60.
0 and the inner peripheral wall of the manifold 52, and a through hole h is provided below the partition wall 40 to communicate the suction port 51 and the air chamber r. Absorption device.