CN201502541U

CN201502541U - Submerged electric pump with bearing outer ring anti-shifting device

Info

Publication number: CN201502541U
Application number: CN2009203110826U
Authority: CN
Inventors: 方坤礼; 蒋晓英; 周明安
Original assignee: SHANGHAI DANQUAN PUMP MANUFACTURE CO Ltd
Current assignee: SHANGHAI DANQUAN PUMP MANUFACTURE CO Ltd
Priority date: 2009-09-23
Filing date: 2009-09-23
Publication date: 2010-06-09
Anticipated expiration: 2019-09-23

Abstract

The utility model relates to a submerged electric pump, in particular to a submerged electric pump with a bearing outer ring anti-shifting device. A motor is disposed on the upper portion of the submerged electric pump, a pump body is arranged on the lower portion of the submerged electric pump, bearings are evenly arranged on the upper portion and the lower portion of the motor, a lower bearing outer ring of the submerged electric pump is not higher than the depth of a lower bearing assembling hole, pressure plates symmetrically arranged on an annular boss on the periphery of the lower bearing outer ring are tightly positioned on the annular boss via a fastening piece, and the lower end surfaces of the pressure plates contact with at least one point arranged on the upper end surface of the lower bearing outer ring. The submerged electric pump has the advantages of adopting the simple and efficient lower bearing anti-shifting device, solving the problem of water pump quality caused by up and down movement of a lower bearing and prolonging the service life of a water pump.

Description

Submerged Motor Pumps with the anti-moving device of bearing outer ring

Technical field

The utility model relates to a kind of Submerged Motor Pumps, specifically refers to a kind of Submerged Motor Pumps with the anti-moving device of bearing outer ring.

Background technique

Submerged Motor Pumps since when assembling electric machine rotor axially misplace, water pump vane axially loaded area does not wait, water pump often stops aspect such as shutdown all can make water pump produce axial force, and this axial force is not same direction, so anti-reliably moving device will all will be arranged at the above-below direction of lower bearing.How existing Submerged Motor Pumps does not effectively control the upper and lower play in lower bearing outer ring, has influenced the Submerged Motor Pumps life-span greatly.

Existing Submerged Motor Pumps, most manufacturers only have anti-moving device downwards to bearing outer ring, and a part of manufacturer adopts traditional bearing gland that the outer ring is prevented.

Summary of the invention

The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, a kind of Submerged Motor Pumps with the anti-moving device of bearing outer ring is provided, revise the lower bearing pilot hole degree of depth, guarantee that the pilot hole degree of depth is less than bearing outer ring length, uniform two pressing plates on the pilot hole both sides, guarantee bearing outer ring play up and down, the quality and the life-span of improving Submerged Motor Pumps.

The purpose of this utility model realizes being finished by following technological scheme:

A kind of Submerged Motor Pumps with the anti-moving device of bearing outer ring, top is motor, the bottom is the pump housing, the motor upper and lower is provided with bearing, the lower bearing outer ring height of this Submerged Motor Pumps is not less than described lower bearing pilot hole hole depth, be symmetrically arranged with pressing plate on the annular boss on described lower bearing outer ring week edge, be fixed on described annular boss by fastening piece, described pressing plate lower end surface contacts more at least with upper-end surface, lower bearing outer ring.

Be symmetrically arranged with two pressing plates on above-mentioned annular boss, described fastening piece is a bolt, the pad of described pressing plate for matching with described bolt.

The utility model has the advantages that, adopt the anti-moving device of a kind of advantages of simplicity and high efficiency lower bearing, solved the water pump quality problems that cause because of the upper and lower play of lower bearing, prolong water pump working life.

Description of drawings

Fig. 1 is the utility model Submerged Motor Pumps structural representation;

Fig. 2 is the anti-moving device generalized section of bearing outer ring.

Embodiment

The utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:

Label 1-10 representative is upper bearing (metal) 1, motor 2, the anti-moving device 3 of bearing outer ring, lower bearing 4, the pump housing 5, lower bearing inner ring 6, lower bearing outer ring 7, hexagon head bolt 8, pressing plate/pad 9, annular boss 10 among the accompanying drawing 1-2.

How present embodiment does not effectively control the upper and lower play in lower bearing outer ring at existing Submerged Motor Pumps, has designed the anti-moving device of bearing outer ring at the lower bearing place, guarantees bearing outer ring play up and down.

Accompanying drawing 1 is the utility model Submerged Motor Pumps structural representation.As shown in Figure 1, the top of Submerged Motor Pumps is motor 2, and the bottom is the pump housing 5, and upper bearing (metal) 1 is equipped with in the motor top, and lower bearing 4 is equipped with in the motor below.Because electric machine rotor axially misplaces during assembling, water pump vane axially loaded area does not wait, water pump often stops aspect such as shutdown all can make water pump produce axial force, and this axial force is not same direction, so anti-reliably moving device will all will be arranged at the above-below direction of lower bearing 4.

Accompanying drawing 2 is the anti-moving device generalized section of bearing outer ring, the i.e. enlarged diagram of the anti-moving device 3 of circled bearing outer ring in the accompanying drawing 1.As shown in Figure 1 and Figure 2, before not having the anti-moving device of bearing outer ring, lower bearing inner ring 6 above-below direction strings are moving all to be braked, and is braked and the downward direction string of lower bearing outer ring 7 is moving, moving then not anti-moving to string upward.For this reason, in the present embodiment, during design the lower bearing 4 pilot hole hole depths of Submerged Motor Pumps are lower than or etc. be higher than lower bearing outer ring 7 height, on the annular boss 10 on 7 all edges, lower bearing outer ring, be symmetrical arranged some pressing plates 9, pressing plate 9 is pressed abd fixed on the annular boss 10 by fastening piece, pressing plate 9 lower end surfaces contact more at least with 7 upper-end surfaces, lower bearing outer ring, be that fastening piece is when being pressed abd fixed on pressing plate 9 on the annular boss 10, symmetrically arranged pressing plate 9 lower end surface power transmissions are in 7 upper-end surfaces, lower bearing outer ring, the also corresponding stressed lower bearing outer ring 7 that compressed uniformly makes it unlikely moving to string upward.In the present embodiment, for compactness for simplicity, fastening piece promptly is designed to hexagon head bolt 8, pressing plate 9 is the pad 9 that matches with hexagon head bolt, is symmetrical arranged two hexagon head bolts and pad and gets final product on annular boss 10.

Claims

1. one kind has the anti-Submerged Motor Pumps that moves device of bearing outer ring, top is motor, the bottom is the pump housing, the motor upper and lower is provided with bearing, the lower bearing outer ring height that it is characterized in that this Submerged Motor Pumps is not less than described lower bearing pilot hole hole depth, be symmetrically arranged with pressing plate on the annular boss on described lower bearing outer ring week edge, described pressing plate is fixed on described annular boss by fastening piece, and the pressing plate lower end surface contacts more at least with upper-end surface, lower bearing outer ring.

2. as claim 1 described a kind of Submerged Motor Pumps, it is characterized in that on described annular boss, being symmetrically arranged with two pressing plates with the anti-moving device of bearing outer ring.

3. as claim 1 described a kind of Submerged Motor Pumps, it is characterized in that described fastening piece is a bolt, the pad of described pressing plate for matching with described bolt with the anti-moving device of bearing outer ring.