CN2716547Y

CN2716547Y - Positive displacement compression pump

Info

Publication number: CN2716547Y
Application number: CN 200420070079
Authority: CN
Inventors: 白明; 白林
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-02
Filing date: 2004-08-02
Publication date: 2005-08-10
Anticipated expiration: 2014-08-02

Abstract

The utility model relates to an equipment used for pumping, boosting pressure and compressing of all kinds of fluid, comprising liquid and gas. The utility model is characterized in that a curved surface mould cavity is arranged in a mould cavity body; the mould cavity body is fabricated with an outer curved surface and an inner curved surface; a rotor is arranged in the curved surface mould cavity; the mould cavity body communicated with the curved surface mould cavity is provided with a suction chamber and a delivery chamber. Both sides of the mould cavity body shaft direction are provided with a flow matching hole communicated with the suction chamber and a flow matching hole communicated with the delivery chamber. The circumference direction of the rotor is adequately distributed with n slot holes, and movable plungers are allocated in the slot holes. The circumferential outer surface and the circumferential inner surface of the rotor are respectively tangential to the outer curved surface and the inner curved surface of the curved surface mould cavity, and the two radical end faces of the movable plungers are tangential to the outer curved surface and the inner curved surface. The utility model aims to provide an equipment for pumping, boosting pressure and compressing of fluid with simple structure, small fluctuation, low noise, high volumetric efficiency, easy manufacture and wide commonality.

Description

A kind of positive displacement compressor pump

One, technical field: the utility model relates to a kind of equipment that is used for the pumping of various fluids (comprising liquids and gases), supercharging and compression.

Two, background technique: at present, domestic and international normally used positive displacement compressor and pump mainly contain following several: 1, piston compressor or plunger pump, and this kind device structure complexity, pulsation, noise are bigger; 2, screw compressor or screw pump, its axial dimension is longer, the manufacturing difficulty; 3, scroll compressor, eddy type pump, the manufacturing difficulty, compression ratio is less; 4, gear pump, noise is big, and working life is short; 5, vane pump, easy to wear, the low speed starting capability is relatively poor.

Three, summary of the invention:

1, goal of the invention: the utility model provides a kind of positive displacement compressor pump, its purpose be to provide a kind of simple in structure, pulsation is little, noise is low, volumetric efficiency is high, manufacturing is easy, versatility widely fluid pump, the equipment of supercharging, compression.

2, technological scheme: the utility model is achieved through the following technical solutions:

Be provided with curve-surface cavity in the die cavity body, create in the die cavity body and become to have positive camber, negative camber, rotor places in the curve-surface cavity, and the die cavity body communicates with curve-surface cavity suction chamber, delivery chamber; Described die cavity axon is provided with assignment hole that communicates with suction chamber and the assignment hole that communicates with delivery chamber to both sides; The circumferencial direction of rotor is evenly distributed with n slotted eye (n=1,2,3 ...), motion stops is configured in the slotted eye; The circumferential outer surface of rotor and circumferential inner surface are tangent with the positive camber and the negative camber of curve-surface cavity respectively; Motion stops radially both ends of the surface and positive camber and negative camber is tangent.

Described motion stops is solids such as hexahedron, cylindrical body.

Form M separate chamber by combination back between die cavity body, rotor and the motion stops,

M＝2(2π/ω)，(0＜ω≤2π)。

Motion stops 4 in the slotted eye 5 is that a plurality of rollers constitute.

3, advantage and effect: by enforcement of the present utility model, the problem that can solve the utility model well and proposed, this equipment is not only simple in structure, pulse little, noise is low, volumetric efficiency is high, manufacturing is easy, be a kind of versatility widely fluid pump, the equipment of supercharging, compression.

Four, description of drawings: accompanying drawing 1 is a structural principle schematic representation of the present utility model;

Accompanying drawing 2 is the utility model curve-surface cavity structural representation;

Accompanying drawing 3 is the utility model rotor structure schematic representation;

Accompanying

drawing

4,5 is the utility model motion stops structure characteristic schematic representation;

Accompanying drawing 6 is the utility model motion stops and rotor slotted eye fit form schematic representation.

Five, embodiment:

As shown in the figure, the utility model contains: die cavity body 12 is disposed at the rotor 2 in the die cavity body 12, motion stops 4.Create in the described die cavity body 12 and become to have curve-surface cavity III, positive camber 1, negative camber 10, the suction chamber 6 that communicates with curve-surface cavity III, suction chamber 9 (diagram dashed region), the delivery chamber 3 that communicates with curve-surface cavity III, delivery chamber 8; Described die cavity body 12 axial both sides are provided with the assignment hole 6 ', 9 ' that communicates with suction chamber, the assignment hole 3 ', 8 ' that communicates with delivery chamber.Described rotor 2 places in the curve-surface cavity III, rotates around center O.An even distribution n slotted eye 5 on the circumference of rotor 2, (n=1,2,3 ...).Described motion stops 4 is configured in the slotted eye 5 of rotor 2, radially do periodically to-and-fro motion along slotted eye 5, and rotate around center O with rotor 2, it extends radially out length and increases to maximum H gradually by 0, be decreased to 0 cyclically-varying again gradually by maximum H, the compound motion that makes motion stops 4 be done with respect to die cavity body 12 has been created into M separate chamber.M=2 π/ω, 0＜ω≤2 π, the angle that ω-motion stops is rotated around center O with rotor.Be illustrated as 2 airtight separate chamber I, II.Described rotor 2 circumferential outer surface A and circumferential inner surface B respectively with

positive camber

1 and 10 tangent cooperations of negative camber of curve-surface cavity III, form 2 airtight separate chamber I, II.

Described motion stops 4 is rotated around center O with rotor 2, radially does the periodicity to-and-fro motion along slotted eye 5 simultaneously, its radially two end faces all the time with positive camber 1, negative camber 10 tangent slip or the rollings of curve-surface cavity III.Described motion stops 4 its structure characteristics can be six solids, can be cylindrical bodys etc., see Fig. 4,5.When center O was rotated, the swept volume of separate chamber I, II suction side was changed from small to big gradually by direction as shown for described rotor 2 and motion stops 4, and fluid is inhaled into separate chamber I, II by suction port 11 through suction chamber 6, suction chamber 9.Simultaneously separate chamber I, the II swept volume that extrudes end is when beginning greatly to diminish gradually, and fluid is discharged fluid through exporting 7 by delivery chamber 3, delivery chamber 8, realizes working procedure.

In accompanying drawing 6, the motion stops 4 in the slotted eye 5 can constitute for a plurality of rollers, shown in the figure is two, and the motion stops 4 that is formed by a plurality of rollers forms rolling.

Claims

1, a kind of positive displacement compressor pump, it includes die cavity body and rotor, it is characterized in that: be provided with curve-surface cavity in the die cavity body, create in the die cavity body and become to have positive camber, negative camber, rotor places in the curve-surface cavity, and the die cavity body communicates with curve-surface cavity suction chamber, delivery chamber; Described die cavity axon is provided with assignment hole that communicates with suction chamber and the assignment hole that communicates with delivery chamber to both sides; The circumferencial direction of rotor is evenly distributed with n slotted eye, and motion stops is configured in the slotted eye; The circumferential outer surface of rotor and circumferential inner surface are tangent with the positive camber and the negative camber of curve-surface cavity respectively; Motion stops radially both ends of the surface and positive camber and negative camber is tangent.

2, a kind of positive displacement compressor pump according to claim 1, it is characterized in that: motion stops is hexahedron, cylindrical body.

3, a kind of positive displacement compressor pump according to claim 1 is characterized in that: form M separate chamber by combination back between die cavity body, rotor and the motion stops, M=2 (2 π/ω), 0＜ω≤2 π.

4, a kind of positive displacement compressor pump according to claim 1, it is characterized in that: the circumferencial direction of rotor is evenly distributed with n slotted eye, and n is an integer.

5, a kind of positive displacement compressor pump according to claim 1 is characterized in that: the motion stops 4 in the slotted eye 5 constitutes for a plurality of rollers.