JPH02139458U

JPH02139458U -

Info

Publication number: JPH02139458U
Application number: JP4743189U
Authority: JP
Priority date: 1989-04-21
Filing date: 1989-04-21
Publication date: 1990-11-21

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例のモータカバーの
ケーブルブーツ取付部の防水構造が適用された水
中ポンプを示す断面図、第２図はその水中ポンプ
の上面図、第３図は同じくその水中ポンプの下面
図、第４図は一実施例の防水構造に適用されたケ
ーブルブーツを示す一部切欠断面図、第５図はそ
のケーブルブーツの下面図、第６図は第１図の一
点鎖線で囲まれた部分の拡大断面図、第７図は
従来のモータカバーのケーブルブーツ取付部の防
水構造を示す断面図、第８図および第９図はそれ
ぞれその従来の防水構造に適用されたケーブルブ
ーツを示す一部切欠側面図および下面図、第１０
図は他の従来のモータカバーのケーブルブーツ取
付部の防水構造を示す断面図、第１１図はその防
水構造に適用されたケーブルブーツを示す下面図
、第１２図はさらに別の従来のモータカバーのケ
ーブルブーツ取付部の防水構造を示す断面図、第
１３図および第１４図はそれぞれの防水構造に適
用されたケーブルブーツを示す一部切欠側面図お
よび下面図である。５０…ケーブル、５１…筒体、５２…フランジ
部、５４…ケーブル、５６…第１のシール用突部
、５７…第２のシール用突部、５８…押え金具、
５９…ボルト、１０２…モータカバー、１０２ｃ
…取付穴。 Fig. 1 is a sectional view showing a submersible pump to which a waterproof structure is applied to the cable boot attachment part of the motor cover according to an embodiment of this invention, Fig. 2 is a top view of the submersible pump, and Fig. 3 is a submersible pump using a waterproof structure. A bottom view of the pump, FIG. 4 is a partially cutaway sectional view showing a cable boot applied to the waterproof structure of one embodiment, FIG. 5 is a bottom view of the cable boot, and FIG. 6 is a dashed-dotted line in FIG. 1. Figure 7 is a cross-sectional view showing the waterproof structure of the cable boot attachment part of a conventional motor cover, and Figures 8 and 9 are cables applied to the conventional waterproof structure. Partially cutaway side view and bottom view showing the boot, No. 10
The figure is a sectional view showing the waterproof structure of the cable boot attachment part of another conventional motor cover, FIG. 11 is a bottom view showing the cable boot applied to the waterproof structure, and FIG. 12 is yet another conventional motor cover. 13 and 14 are a partially cutaway side view and a bottom view showing the cable boot applied to each waterproof structure, respectively. 50... Cable, 51... Cylindrical body, 52... Flange portion, 54... Cable, 56... First sealing protrusion, 57... Second sealing protrusion, 58... Presser fitting,
59...Bolt, 102...Motor cover, 102c
…Mounting holes.

Claims

[Claims for Utility Model Registration] An elastic cable boot with a flange protruding from the center outer periphery of a cylindrical body through which the cable is inserted is inserted through one end of the cylindrical body through a mounting hole of the motor cover, and the flange portion is inserted into the elastic cable boot. In the waterproof structure of the cable boot attachment part of the motor cover, the cable boot attachment part of the motor cover is fixed to the surface of the motor cover by a fixing device, and a first part is provided on a surface of the flange part facing the motor cover so as to surround the cylinder. A sealing protrusion is integrally formed and brought into elastic contact with the surface of the motor cover, and a corner portion formed by a surface of the flange portion facing the motor cover and an outer surface of one side of the cylindrical body; Waterproofing of the cable boot attachment portion of the motor cover, characterized in that a ring-shaped second sealing protrusion is integrally formed along the corner portion and is brought into elastic contact with the corner portion of the periphery of the attachment hole of the motor cover. structure.