CN2453161Y

CN2453161Y - Cage type oil delivery pump

Info

Publication number: CN2453161Y
Application number: CN 00253394
Authority: CN
Inventors: 白桦
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-11
Filing date: 2000-12-11
Publication date: 2001-10-10
Anticipated expiration: 2010-12-11

Abstract

The utility model relates to an improvement to the structure of an oil delivery pump, which comprises a pump body, a pump cover and an eccentric rotor. The utility model has the essential structure that both sides of a vane arranged in a guide groove of the eccentric rotor are provided with slidable baffle plates, and the top end of the vane is provided with a nylon plate which is in contact with the pump body. Vanes are fixed on end plates arranged at both ends of a squirrel cage, and the squirrel cage and the pump body have the same center of circle. The utility model has the advantages of long service life, simple structure, etc.

Description

The squirrel-cage oil transfer pump

The utility model relates to the improvement of oil transfer pump structure.

Oil transfer pump normally is made up of the pump housing, eccentric rotor, has radial blade on the eccentric rotor, and when eccentric rotor rotated, blade rotated simultaneously thereupon, and blade is done radial motion, with interlobate folded liquid, constantly liquid is exported.Its shortcoming is: because centrifugal action slides the blade pump housing inwall that reclines, therefore, easily inwall is scratched, blade is impaired, and then produces vicious circle, cause the pump housing to produce high vibration, so that oil transfer pump can not re-use very soon.

Order of the present utility model just provides and a kind ofly improves working life oil transfer pump simple in structure greatly.

The purpose of this utility model is achieved in that the utility model comprises the pump housing, pump cover, eccentric rotor, its structure outline is that the interior blade both sides of guide groove of eccentric rotor have slidably baffle plate, the top of blade has with the contacted nylon sheet of the pump housing, and vanes fixed is on the end plate with the mouse cage two ends of pump housing concentric.

Major advantage of the present utility model:

1, long service life:

Because vanes fixed of the present utility model is on the end plate at the mouse cage two ends concentric with the pump housing, therefore, when eccentric rotor rotated, the blade on the mouse cage was still done the rotation with pump housing concentric; In addition, blade pass is crossed nylon sheet and is contacted with the inwall of the pump housing, does not scratch inwall, therefore, has improved the working life of this pump greatly;

2, simple in structure:

The utility model is exactly on the basis of existing oil transfer pump structure, has only increased mouse cage type structure, just can reach the purpose of this utility model, and it is simple in structure, is easy to popularize.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the B-B sectional view of Fig. 1;

Fig. 4 is the C-C sectional view of Fig. 1.

Below in conjunction with accompanying drawing concrete structure of the present utility model is described further:

The utility model comprises the pump housing 1, pump cover 8, eccentric rotor 11, blade 9 both sides in eccentric rotor 11 guide grooves 14 have slidably baffle plate 13, blade 9 tops have with the pump housing 1 contacted nylon sheet 10, and blade 9 is fixed on the end plate 2 with mouse cage 12 two ends of the pump housing 1 concentric.

Blade 9 can be and is symmetrical arranged six.

Mouse cage 12 can be fixed in by the end plate 2 of side on the outer shroud 3 of bearing 4 of pump cover 8; The transmission shaft 5 of eccentric rotor 11 is fixed on the pump cover 8 by capacity eccentric bearing 7; Transmission shaft 5 outer pump covers 8 are provided with sealing gasket 6.

Narrate a course of action of the present utility model below:

When transmission shaft 5 drove eccentric rotors 11 rotations, the blade 9 that eccentric rotor 11 just drives on the mouse cage 12 rotated, and the liquid that carries between the blade 9 through entry end 16 goes to outlet port 15, and with liquid output, this pump Zhou Er that comes to this carries liquid with renewing.

Claims

1, the squirrel-cage oil transfer pump comprises the pump housing (1), pump cover (8), eccentric rotor (11), it is characterized in that blade (9) both sides in eccentric rotor (11) guide groove (14) have slidably baffle plate (13), blade (9) top has the contacted nylon sheet of the same pump housing (1) (10), and blade (9) is fixed on the end plate (2) at mouse cage (12) two ends of the same pump housing (1) concentric.

2, squirrel-cage oil transfer pump according to claim 1 is characterized in that blade (9) is to be symmetrical arranged six.

3, squirrel-cage oil transfer pump according to claim 1, its feature are fixed in the end plate (2) of mouse cage (12) by the side on the outer shroud (3) of bearing (4) of pump cover (8).

4, squirrel-cage oil transfer pump according to claim 1, its feature is fixed on the pump cover (8) by capacity eccentric bearing (7) in the transmission shaft (5) of eccentric rotor (11).