CN1247271A

CN1247271A - Power machine with rolling rotor

Info

Publication number: CN1247271A
Application number: CN98113697A
Authority: CN
Inventors: 陈志远; 陈骏
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-10
Filing date: 1998-09-10
Publication date: 2000-03-15
Anticipated expiration: 2018-09-10
Also published as: CN1091834C

Abstract

A power machine with rolling rotor is composed of cylinder, front and back cylinder covers, casing, shaft coupling and piston which has the slide piece with pin and the isolative piece with horizontal bar. On working, the pistons driven via slide piece pin and slide piece by cylinder set rotate around the two central lines of eccentral shaft to realize the continuous sucktion, compression, expansion and exhaustion of working medium. Its advantages are simple structure, easy manufacture and maintenance, low start power, smooth running, and low friction power.

Description

A kind of power machine with rolling rotor

The invention belongs to the rotary piston type engine class.

Chinese patent 90205327.2 discloses a kind of power machine with rolling rotor, and it comprises external rotor and the internal rotor piston of being made up of cylinder 1, front end housing 2, back cylinder cover 36.Cylinder and front and back cylinder cap fasten as one, and the projecting shaft 10 of front end housing passes cabinet cover 5, links through shaft coupling and external motor.Piston 6 slides on the eccentric segment of eccentric shaft 7, eccentric shaft one end is fixed on the casing 4 through back cylinder cover 3, one end cunning is inserted in the center hole of front end housing projecting shaft 10, and slide plate 6 is inserted in the vane slot of piston side, and slide plate pin 9 two ends of slide plate are fixed on the cylinder cap of front and back.Slide plate pin-and-hole width up and down can be up and down along pin in order to slide plate greater than slide plate pin diameter.

There are through hole 14, nose end that two cross-drilled holes 13 are arranged in the middle of the eccentric shaft, communicate with the circle pit 12 in the middle of the piston, pit is connected with the place ahead active chamber of slide plate 8 through internal piston passage 19 and piston side window 11, on the cylinder cap of front and back window 16 is arranged, be connected with the rear area work chamber of slide plate.

The transmission of this power engine power is passed on the slide plate by cylinder group.During cylinder 1 rotation, drive piston 6 together around eccentric shaft 7 rotations by slide plate pin 9 through slide plate 8, because piston slides on the eccentric segment of eccentric shaft, so the 0 place contact of inner and outer rotors through being everlasting shown in Figure 2, the Line of contact at 0 place is on zero line or 0 line.Slide plate, 0 line is divided into two active chambers with the cylinder chamber, slide plate sense of rotation the place ahead be ante-chamber, the rear then be back cavity.When slide plate drive piston from 0 line opposite position when 0 line rotate, the back cavity volume constantly increases, pressure reduces, working mediums such as machine oil, water or gas are promptly by in the 16 suction back cavities of the window on the cylinder cap of front and back.When slide plate arrived 0 line, back cavity volume maximum, to suck working medium maximum.After slide plate was crossed 0 line, back cavity promptly became ante-chamber, and volume reduces gradually, and pressure raises, and working medium pit 12 in the middle of piston side window 11 enters passes through outside the eccentric shaft through hole 14 discharge machines again in the chamber.

Though it is little that this power engine has a friction horsepower, starting power is little, the running balance, can bear the advantage of big working pressure, but it should be noted that, when slide plate rotates to 0 line, the pressure of working medium can produce very great fluctuation process in its active chamber, causes working pressure reliability aspect may have certain problem.

The objective of the invention is the problem that may exist according to above-mentioned power engine, be intended to design a kind of simple in structure, starting power is little, running balance, friction horsepower is little, can bear higher rotation speed and working pressure, and the reliable and stable power machine with rolling rotor of working pressure.

The implementation of purpose of the present invention is, a kind of power machine with rolling rotor, comprise by cylinder 1, front end housing 2, external rotor and internal rotor piston 6 that back cylinder cover 3 is formed, cylinder and front and back cylinder cap fasten as one, the projecting shaft 10 of front end housing passes cabinet cover 5, link through shaft coupling and external motor, piston 6 slides on the eccentric segment of eccentric shaft 7, eccentric shaft one end is fixed on the casing 4 through back cylinder cover 3, one end cunning is inserted in the center hole of front end housing projecting shaft 10, slide plate 8 is inserted in the vane slot of piston side, on the cylinder cap, width was greater than slide plate pin diameter about the slide plate pin-and-hole before and after slide plate pin 9 two ends of slide plate were fixed on.

There are through hole 14, nose end that two cross-drilled holes 13 are arranged in the middle of the eccentric shaft, communicate with the circle pit 12 in the middle of the piston, pit is connected with the place ahead active chamber of slide plate 8 through internal piston passage 19 and piston side window 11, on the cylinder cap of front and back window 16 is arranged, be connected with the rear area work chamber of slide plate 8.

At the rear of slide plate 2, the rear side of window 16 or slide plate 8 the place aheads, there is spacer 15 front side of window 11, and one side milling of spacer bottom has shallow slot one, inserts one section cross bar 20 in shallow slot, the cross bar bending two ends, elbow inserts in the pitting of both sides piston end surface.

The present invention is described in detail in detail with reference to the accompanying drawings.

Fig. 1 structural representation of the present invention

The A-A sectional view of Fig. 2 Fig. 1

With reference to Fig. 2, rear in slide plate 8 sense of rotation, working medium enters the rear side of window 16 and establishes a relatively thinner spacer 15, the built-in cross bar 20 of spacer side channel, the width of spacer side shallow slot is greater than the diameter of cross bar, make spacer can only stretch out one section little length, and when its lip contacts with cylinder wall, can be pressed into again in the groove of isolating film trap.

When main slide plate is rotated down, when its place ahead discharge window 11 is about to cross 0 line, because of spacer stretches out piston side one segment length, so its lip contacts with cylinder wall, block cylinder cap and enter being communicated with of window 16 and cylinder work chamber, after spacer is crossed 0 line, one segment distance, break away from cylinder wall again, open window, realize the suction or the discharge of working medium.As seen from last, when spacer rotated to 0 line to slide plate, the fluctuation of working medium pressure had played certain buffer function in the active chamber, thereby makes working pressure reliable and stable.

The bottom land of vane slot and isolation film trap respectively should bore a through

hole

17,18, and the pit 12 in the middle of through hole and the piston is communicated with, so that bottom land often keeps high pressure, slide plate, spacer stretch free more.

The present invention can be a working machine, also can be prime mover.When making working machine, drive the external rotor rotation, promote the slide plate working surface through the slide plate pin again, remove to suck working medium, improve its pressure, discharge again by motor, motor etc.When making prime mover, inwardly send into high-pressure working medium, promote slide plate, through outside other the working machine of slide plate pin, external rotor, shaft coupling, drive.

Cylinder of the present invention and piston can be turned right, also can be turned left.Fig. 2 is the right-hand rotation formula, turns left then in contrast.During left-hand rotation, working medium enters active chamber from through hole 14, window 11, discharges active chamber from window 16, and at this moment, spacer 15 is in the right side of window 11.

Fig. 1, the 2nd, the present invention is used as one of working machine---the structural representation of the oil feed pump of refrigerator.The machine oil import is located at the casing bottom, the cylinder rotation, and working medium sucks from the front and back cylinder cap window 16 at slide plate rear, extrudes from the place ahead piston window mouth 11, through 14 outputs of eccentric shaft through hole.When high-pressure oil is discharged, right by the pit 12 in the middle of the piston to each friction, comprise slide plate, spacer, piston inner bearing, piston end surface, eccentric shaft major part and microcephaly and front end housing projecting shaft fuel feeding, lubricate.When this external machine oil was discharged, some can be forced into low-pressure cavity by 0 line the time, and in the bearing outer end of cabinet cover, other adds packing lid, and the oil pressure of these machine oil is little, so the machine that these oil outwards release can or can not be a lot.In order to make working pressure more stable, in eccentric shaft major part outer end.Or add check valve again at window 11 places of piston side.Adopt this oil pump bigger, the oil pressure height than refrigerator oil feed pump oil drain quantity commonly used.

This power machine with rolling rotor is simple in structure, manufacturing and easy to maintenance, starting power is little, running balance, friction horsepower is little, can adapt to high rotational speed, pressure and temperature.

Claims

1, a kind of power machine with rolling rotor, comprise by cylinder (1), front end housing (2), external rotor and internal rotor piston (6) that back cylinder cover (3) is formed, cylinder and front and back cylinder cap fasten as one, the projecting shaft of front end housing (10) passes cabinet cover (5), link through shaft coupling and external motor, piston (6) slides on the eccentric segment of eccentric shaft (7), eccentric shaft one end through after cylinder dress lid (3) be fixed on the casing (4), one end cunning is inserted in the center hole of front end housing projecting shaft (10), slide plate (8) is inserted in the vane slot of piston side, slide plate pin (9) two ends of slide plate are fixed on the cylinder cap of front and back, width is greater than slide plate pin diameter about the slide plate pin-and-hole

There are through hole (14), nose end that two cross-drilled holes (13) are arranged in the middle of the eccentric shaft, communicate with the circle pit (12) in the middle of the piston, pit through internal piston passage (19) and piston side window (11), be connected with the place ahead active chamber of slide plate (8), window (16) arranged on the cylinder cap of front and back, be connected with the rear area work chamber of slide plate (8)

It is characterized in that slide plate (8) rear, window (16) rear side or slide plate (8) the place ahead, there is spacer (15) front side of window (11), one side milling of spacer bottom has shallow slot one, in shallow slot, insert one section cross bar 20, the cross bar bending two ends, elbow inserts in the pitting of both sides piston end surface.

2, power engine according to claim 1 is characterized in that the diameter of the shallow slot width of spacer bottom one side greater than cross bar.

3, power engine according to claim 1 is characterized in that the bottom land of vane slot and isolation film trap has through hole (17), (18) that communicate with pit (12) in the middle of the piston.

4, power engine according to claim 1 is characterized in that in eccentric shaft (7) major part outer end, or locates to add check valve at the window (11) of piston side.