| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable seal maintenance without detaching an outlet cylindrical body from a supplying line, by providing the outlet cylindrical body having a first and a second ends, a pump base, a seat formed in the passageway wall connecting the both ends, receiving an end of a reciprocating member and having a minimum width passageway and a pump outlet and being connected with a housing base. SOLUTION: A pump outlet cylindrical body 40 is connected to a motor table 24 by a fixture 26. The pump outlet is a cylindrical body provided with first and second ends 41, 42 and an outlet port 44 provided between both ends. A passage 43 extends between both ends and is communicated with the outlet port 44. A seal member 48 is pinched between a shoulder 46 of the outlet cylindrical body 40 and a bush 34, and the inner periphery is in the passage 43 having the minimum width. A reciprocating member 18 can be moved in the passage 43. The seals 32, 48 are hermetically engaged with a movable end 22 of the reciprocating member 18, a pump 60 is screwed on the second end 42, one end of a pump pipe 62 is screwed and connected to the outlet cylindrical body 40, and the other end is screwed and connected to a foot valve 70.</p> |
