JPS6342890U - - Google Patents

Description

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

第１図は本考案に係る排水ポンプの構造を示す
一部断面を示す縦断説明図、第２図は第１図の排
出接手の正面図、第３図、第４図は夫々ランナの
正面図および底面図である。 １……本体、２……吸入口、３……排出口、５
……ダンパー部、７……ランナ、１１……ふた、
１２……防塵カバー、１３……開放路、１４……
流口、１５……モータ、８……下平行部。、８ａ
……螺旋、９……上平行部、９ａ……外側端部、
１０……軸、１６……駆動軸、１９……開口部。 Fig. 1 is a longitudinal sectional view showing a partial cross section of the structure of the drainage pump according to the present invention, Fig. 2 is a front view of the discharge joint shown in Fig. 1, and Figs. 3 and 4 are front views of the runner, respectively. and a bottom view. 1...Body, 2...Intake port, 3...Outlet port, 5
...damper section, 7...runner, 11...lid,
12...Dust cover, 13...Open path, 14...
Flow port, 15...Motor, 8...Lower parallel part. ,8a
... spiral, 9 ... upper parallel part, 9a ... outer end,
10... shaft, 16... drive shaft, 19... opening.

Claims (1)

【実用新案登録請求の範囲】 (1) モータの駆動軸と同軸に直結され、該駆動
軸線を垂直とした略逆円錐形の本体内にこれと間
隙を有して回転自在に収められ、前記本体の下部
の吸入口に臨み小径の下平行部を、かつ前記本体
の上部外周側方の排出口に臨み大径の上平行部を
それぞれ備えた複数個の略逆三角形で羽根状のラ
ンナを有するポンプであつて、 前記本体の上端部に嵌着するふたとモータの間
に防塵カバーを覆装し、前記ふたと防塵カバーの
間に、ポンプ本体内部からふたとランナの軸との
間隙を経て、下向きの流口に連通する開放路を設
け、前記排出口の開口部は、その開口面積を絞り
、かつ本体の上部の空気層をドレン揚水の充満に
よつてこれが遮断されるダンパ部を備えたことを
特徴とする排水ポンプ。 (2) 前記ランナの下平行部には、すくい角を有
する螺旋を設けたことを特徴とする実用新案登録
請求の範囲第１項に記載の排水ポンプ。 (3) 前記ランナの上平行部はボリユートポンプ
の羽根車状のカーブを有することを特徴とする実
用新案登録請求の範囲第１項および第２項に記載
の排水ポンプ。[Claims for Utility Model Registration] (1) The motor is directly connected coaxially with the drive shaft of the motor, and rotatably housed within a substantially inverted conical body with the drive axis perpendicular to the main body with a gap therebetween; A plurality of approximately inverted triangular blade-shaped runners each having a lower parallel portion with a small diameter facing the inlet at the bottom of the main body and an upper parallel portion with a large diameter facing the outlet on the side of the upper outer periphery of the main body. A dustproof cover is placed between the lid fitted to the upper end of the main body and the motor, and a gap between the lid and the runner shaft is closed from inside the pump body between the lid and the dustproof cover. An open passage communicating with the downward flow port is provided, and the opening of the discharge port has a damper part that narrows the opening area and blocks the air layer in the upper part of the main body by being filled with drain pumped water. A drainage pump characterized by: (2) The drainage pump according to claim 1, wherein the lower parallel portion of the runner is provided with a spiral having a rake angle. (3) The drainage pump according to claims 1 and 2, wherein the upper parallel portion of the runner has an impeller-like curve of a volute pump.