一种便于维护的水泵电机

Abstract

一种便于维护的水泵电机，包括电机外壳、设于电机外壳左端的左端盖以及设于左端盖中心的中心孔，电机外壳内具有电机轴，电机轴左端向左穿过中心孔，所述中心孔内设有一套于电机轴外的集成套；所述集成套左端设有一与左端盖相固定的固定结构；所述集成套右端内壁设有一呈环形的轴承室；所述轴承室内设有与其相匹配的轴承；所述集成套右端面设有一与轴承相匹配的右限位结构；所述集成套左部内设有一呈环形的主密封槽；所述主密封槽内设有主密封结构；所述集成套左端设有与主密封结构相匹配的左限位结构。本实用新型的便于维护的水泵电机不仅能够有效提高拆卸效率，且能够保证密封件更换后的位置的精准性。

Claims

1. A water pump motor that is easy to maintain, comprising a motor housing, a left end cover located at the left end of the motor housing, and a central hole located at the center of the left end cover, wherein a motor shaft is provided inside the motor housing, and the left end of the motor shaft passes through the central hole to the left, characterized in that: An integrated sleeve fitted around the motor shaft is disposed within the central hole; a fixing structure for fixing to the left end cover is provided at the left end of the integrated sleeve; an annular bearing chamber is provided on the inner wall of the right end of the integrated sleeve; a matching bearing is disposed within the bearing chamber; a right limiting structure matching the bearing is provided on the right end face of the integrated sleeve; an annular main sealing groove is provided within the left part of the integrated sleeve; a main sealing structure is disposed within the main sealing groove; a left limiting structure matching the main sealing structure is provided at the left end of the integrated sleeve; an auxiliary sealing groove is provided in the middle of the integrated sleeve. The auxiliary sealing groove is provided with an auxiliary sealing ring outside the motor shaft, and the auxiliary sealing ring is made of silicone. The inner wall of the right end of the inner hole of the auxiliary sealing ring is provided with a right annular extrusion groove, and the inner wall of the left end of the inner hole of the auxiliary sealing ring is provided with a left annular extrusion groove. The bottom of the left extrusion groove and the bottom of the right extrusion groove both extend towards the outer circumference of the auxiliary sealing ring. The right side wall of the auxiliary sealing ring is provided with a right annular groove that encloses the right extrusion groove. The left side wall of the auxiliary sealing ring is provided with a left annular groove that encloses the left extrusion groove.

2. A pump motor for ease of maintenance according to claim 1, characterized in that: The right limiting structure includes a right limiting washer fitted around the motor shaft, with the left sidewall of the right limiting washer fitting against the right end face of the integrated sleeve; the outer edge of the right limiting washer and the right end face of the integrated sleeve are fixed together by a number of right screws evenly distributed in a circle.

3. A maintenance-friendly water pump motor according to claim 1, characterized in that: The left limiting structure includes an annular partition plate located within the main sealing groove and fitted around the motor shaft. The main sealing groove contains a left sealing ring and a right sealing ring fitted around the motor shaft. The left end face of the left sealing ring is in contact with the right side wall of the partition plate, and the right end face of the right sealing ring is in contact with the right side wall of the main sealing groove. A left annular pressure plate fitted around the motor shaft is located on the right side wall of the left sealing ring. A right annular pressure plate fitted around the motor shaft is located on the left side wall of the right sealing ring. A space is provided between the right side wall of the left annular pressure plate and the left side wall of the right annular pressure plate. A pressure spring is provided outside the motor shaft; the inner wall of the left sealing ring is provided with several left sealing parts evenly distributed axially, and the left sealing parts are funnel-shaped with the left end narrower than the right end; the inner wall of the left end of the left sealing part is in contact with the outer wall of the motor shaft; the right sealing ring is provided with several right sealing parts evenly distributed axially, and the right sealing parts are funnel-shaped with the left end wider than the right end; the inner wall of the right end of the right sealing part is in contact with the outer wall of the motor shaft; the left sealing ring and the left sealing part are integrally formed and both are made of silicone; the right sealing ring and the right sealing part are integrally formed and both are made of silicone.

4. A maintenance-friendly water pump motor according to claim 3, characterized in that: The outer edge of the left annular pressure plate extends to the right to form an outer guide tube that fits against the inner circumferential surface of the main sealing groove; the left side wall of the right annular pressure plate is provided with an inner guide tube fitted with a pressure spring, and the left end of the inner guide tube extends to the left into the outer guide tube; there is a movable gap between the right end face of the outer guide tube and the left side wall of the right annular pressure plate, and between the left end face of the inner guide tube and the right side wall of the left annular pressure plate.

5. A maintenance-friendly water pump motor according to claim 3, characterized in that: The left limiting structure also includes an annular groove on the inner wall of the left side opening of the main sealing groove; a left limiting washer is provided in the annular groove and placed outside the motor shaft; the outer edge of the left limiting washer and the annular groove are fixed by a number of left screws evenly distributed in a circle; a dust cover is provided on the motor shaft between the left limiting washer and the partition.

6. A maintenance-friendly water pump motor according to claim 1, characterized in that: The fixing structure includes a fixing groove located on the inner wall of the left end opening of the central hole, and the fixing groove is annular; the outer wall of the left end of the integrated sleeve is provided with a fixing part that matches the fixing groove; the fixing part and the fixing groove are fixed together by a number of fixing screws that are evenly distributed in a circle.

Images