CN201118292Y

CN201118292Y - An improved water pump rotor structure

Info

Publication number: CN201118292Y
Application number: CNU2007201925503U
Authority: CN
Inventors: 陈宜文
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-23
Filing date: 2007-11-23
Publication date: 2008-09-17
Anticipated expiration: 2017-11-23

Abstract

The utility model discloses an improved structure of a water pump rotor. The improved structure consists of a shield sleeve and a rotor arranged inside the sleeve. An upper bearing seat is arranged at the upper end of the shield sleeve, and a lower bearing seat is arranged at the lower end. The upper end of the rotor is connected with an upper bearing seal in the upper bearing seat via an upper retaining bearing and an upper ceramic bearing, and the lower end of the rotor is connected with a lower bearing seal in the lower bearing seat via a lower retaining bearing and a lower ceramic bearing. The upper bearing seat and the shield sleeve are designed to be separated, and are connected through welding and sealing. The lower bearing seat and the shield sleeve are designed to be separated, and are connected through welding and sealing. Compared with the prior art, the improved structure is characterized by the simple structure and the reduced noise. Meanwhile, the improved structure is convenient for installation and maintenance. With the sealing performance of the structure, leakage can be avoided completely.

Description

A kind of structure-improved of water pump rotor

Technical field

The utility model relates to the structure-improved of a kind of water pump rotor, particularly a kind of water pump rotor.

Background technology

The most of dry type motor that adopts of water pump, for guaranteeing its operate as normal in water, it is very important that the water proofing property of its inner rotator seems, in a single day its sealing problem is the focus that users were concerned about always, because drainage takes place, will cause and advance sand in the rotor shielding sleeve, quicken the wearing and tearing and the corrosion of bearing, simultaneously when water enters motor internal, will make the motor short circuit and burn, had a strong impact on its useful life.

Existing water pump rotor structure as illustrated in fig. 1 and 2, whole device mainly comprise a housing 1 ' and rotor 2 of portion of setting within it ', housing 1 ' upper end be wholely set top chock 11 ', the lower end split be provided with step 12 ', when mounted, adopt the shaft seal technology, rotor 2 ' upper end by last retaining bearing 3 ' and ceramic bearing 4 ' with top chock 11 ' in upper bearing (metal) 111 ' be tightly connected, rotor 2 ' lower end by following retaining bearing 5 ' and ceramic bearing 6 ' with step 12 ' in lower bearing 121 ' be tightly connected, at this, because step 12 ' design with housing 1 ' split, be the sealing that guarantees that both connect, be provided with in both junctions a sealing gasket 7 '.But in the middle of reality is used; owing to use wearing and tearing and long sealing gasket 7 of time ' aging problem; drainage still takes place through regular meeting in this place; had a strong impact on the useful life of water pump; the structure of the design of split simultaneously; also make the noise ratio in rotor 2 ' running bigger, installation and maintenance is all very inconvenient.In addition, housing 1 ' upper end and top chock 11 ' one generate design, make mould complicated, and processing and installation are all cumbersome.

The utility model content

The purpose of this utility model is to provide a kind of structure-improved of water pump rotor, compared with prior art, has simplified structure, reduces the characteristics of noise, is convenient to I﹠M simultaneously, and its sealing can reach does not have leakage fully.

For achieving the above object, the utility model is by the following technical solutions:

A kind of structure-improved of water pump rotor, comprise a housing and the rotor of the portion that sets within it, the housing upper end is provided with top chock, the lower end is provided with step, described rotor upper end is tightly connected by the upper bearing (metal) in last retaining bearing and ceramic bearing and the top chock, the rotor lower end is tightly connected by the lower bearing in following retaining bearing and ceramic bearing and the step, it is characterized in that: described top chock and housing split design, and both connect by welded seal; Described step and housing split design, both connect by welded seal.

Top chock of the present utility model and housing split design, make housing and top chock separate machined separately before assembling, this structural design has played the effect of simplifying mould on the one hand, also meet the streamline production needs that modernization is shared out the work and help one another on the other hand, and when assembling, both connect by welded seal, compare with existing one project organization, the problem that can not cause sealing effectiveness to reduce.

Step and housing are also taked the split design simultaneously, both directly connect by welded seal, this structure compared with prior art, omitted sealing gasket, played the effect that reduces accessory, welding simultaneously makes the better tightness at this place, can improve the useful life of water pump greatly to there not being leakage fully.Be welded as a whole because of housing, top chock and step simultaneously, its connecting inner rotor can become a standard component, make its installation and maintenance very convenient, can direct whole replacing even damage, need not each part all disassembled again and be reinstalled, it is more steady that this structure also can make the operation of inner rotator on the other hand, can reach the purpose that reduces noise.

Description of drawings

The stereochemical structure decomposing schematic representation of Fig. 1, existing water pump rotor;

The planar structure cutaway view of Fig. 2, existing water pump rotor;

Fig. 3, stereochemical structure decomposing schematic representation of the present utility model;

Fig. 4, planar structure cutaway view of the present utility model.

Embodiment

Shown in Fig. 3 and 4, a kind of structure-improved of water pump rotor comprises the rotor 2 of a housing 1 and the portion that sets within it, housing 1 upper end split is provided with top chock 11, both connect by welded seal, and the lower end split is provided with step 12, and both connect by welded seal.Described rotor 2 upper ends are tightly connected by the upper bearing (metal) 111 in last retaining bearing 3 and ceramic bearing 4 and the top chock 11, and rotor 2 lower ends are tightly connected by the lower bearing 121 in following retaining bearing 5 and ceramic bearing 6 and the step 12.

Top chock 11 of the present utility model and housing 1 split design, make housing 1 and top chock 11 separate machined separately before assembling, this structural design has played the effect of simplifying mould on the one hand, also meet the streamline production needs that modernization is shared out the work and help one another on the other hand, and when assembling, both connect by welded seal, compare with existing one project organization, the problem that can not cause sealing effectiveness to reduce.

Step 12 is also taked the split design with housing 1 simultaneously, both directly connect by welded seal, this structure compared with prior art, omitted sealing gasket, played the effect that reduces accessory, welding simultaneously makes the better tightness at this place, can improve the useful life of water pump greatly to there not being leakage fully.Be welded as a whole because of housing 1, top chock 11 and step 12 simultaneously, its connecting inner rotor 2 can become a standard component, make its installation and maintenance very convenient, can direct whole replacing even damage, need not each part all disassembled again and be reinstalled, it is more steady that this structure also can make the operation of inner rotator 2 on the other hand, can reach the purpose that reduces noise.