CN2528968Y

CN2528968Y - Rotary piston compressor

Info

Publication number: CN2528968Y
Application number: CN 01277523
Authority: CN
Inventors: 白明; 白林
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-28
Filing date: 2001-12-28
Publication date: 2003-01-01
Anticipated expiration: 2011-12-28

Abstract

The utility model pertains to the field of positive displacement machines, in particular to the field of fluid-compressing pumping machines such as rotary piston compressors or pumps, etc. The utility model is characterized in that a stator(3) and a combined rotary piston(1) are provided; an inner cavity(8) is arranged in the stator(3); a suction chamber(11) and an extrusion chamber(12) are installed in the stator(3); a piston-structure unit(13) comprises a piston surface(14) and a bracket(15); elements of the piston-structure unit(13) are axially connected by hinging pins(2) of the bracket(15); bearings(5) are installed on the hinging pins(2); a parallelogram is formed by connecting lines between hinging holes of the bracket(15); a supporting sliding track(6) is arranged on both axial sides of the inner cavity(8); the bearings(5) of the combined rotary piston(1) move periodically along the supporting sliding track(6); independent respective-sealing chambers are formed by the matching of the piston surface(14) of the combined rotary piston(1) and the die-cavity curved surface of the stator(3).

Description

Rotary piston machine

Affiliated technical field

The utility model belongs to mechanical positive displacement apparatus field, fluid compressing pump fields such as particularly a kind of rolling piston compressor or pump.

Background technique

At present, displacement fluid compression, pump machine and mainly contain: (1) reciprocating-piston compressor, plunger pump; Its complex structure, volume is bigger, and manufacture cost is higher, has pulsation, noise.(2) screw compressor, screw pump, its complex structure, axial dimension is longer.(3) sliding-vane compressor, the sliding vane pump.Simple relatively, but working life is shorter.(4) rotary compressor, drum pump.Because rotary piston and spindle eccentricity configuration are easy to generate vibration, complex structure.(5) scroll compressor, the eddy type pump.Though structure is simple, the manufacturing difficulty, compression ratio is less.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of volume little, simple in structure, the rotating speed height, and noise is low, and manufacturing is easy, rotary-piston type machine with low cost.

Technical solution of the present utility model can realize according to following mode:

The utility model contains: stator, combination rotary-piston; Be provided with inner chamber body in the described stator; Described combination rotary-piston places in the inner chamber body; Be furnished with suction chamber, delivery chamber in the described stator; Be provided with one group of suction port in the described suction chamber 11; Be provided with the exhaust port that an assembly has check valve sheet in the delivery chamber 12; Described suction port communicates with inner chamber body respectively with exhaust port; Described combination rotary-piston is furnished with four piston structure unit; Described piston structure unit contains plug face, carriage; Described piston structure is coupling by the swivel pin on the carriage between the unit; On described swivel pin, is furnished with bearing; Described carriage hinging hole spacing line constitutes parallelogram; The length scale of described diagonal of a parallelogram becomes cyclically-varying; (x, y z) match for the movement locus of the plug face end points on the described combination rotary-piston and stator die cavity curvilinear path equation F; The plug face of described combination rotary-piston cooperates the airtight separately separate chamber of formation with the stator profile surface.

The utility model is furnished with supporting slide track in the axial both sides of described inner chamber body; Bearing on the described combination rotary-piston is along the supporting slide track cyclical movement.

Carriage described in the utility model can be 4.

The utility model has been realized rotary-piston and the contactless operation of stator die cavity, and it is simple in structure, long service life, and manufacturing is easy, and is cheap for manufacturing cost, and versatility is extensive.

Description of drawings

Fig. 1 is an overall structure schematic representation of the present utility model;

Fig. 2 does cyclical movement for one group of parallelogram summit of the utility model around its central point and forms closed curve track schematic diagram;

Fig. 3 is the utility model piston structure modular construction figure;

Fig. 4 be the utility model Fig. 3 along C-C to sectional view;

Fig. 5 is the utility model combination rotary piston structure schematic representation;

Embodiment

The utility model contains: stator 3, combination rotary-piston 1; Be provided with inner chamber body 8 in the described stator 3; Described combination rotary-piston 1 places in the inner chamber body 8; Be furnished with suction chamber 11, delivery chamber 12 in the described stator 3; Be provided with one group of suction port 9 in the described suction chamber 11; Be provided with an assembly in the delivery chamber 12 check valve sheet exhaust port 10 is arranged; Described suction port 9 communicates with inner chamber body 8 respectively with exhaust port 10; Described combination rotary-piston 1 is furnished with four piston structure unit 13; Described piston structure unit 13 contains plug face 14, carriage 15; Be coupling by the swivel pin on the carriage 15 2 between the described piston structure unit 13; On described swivel pin 2, is furnished with bearing 5; Described carriage 15 hinging hole spacing lines constitute parallelogram; The length scale of described diagonal of a parallelogram becomes cyclically-varying; Is furnished with supporting slide track 6 in described inner chamber body 8 axial both sides; Bearing 5 on the described combination rotary-piston 1 is along supporting slide track 6 cyclical movements; (x, y z) match for the movement locus of plug face 14 end points on the described combination rotary-piston 1 and stator 3 die cavity curvilinear path equation F; The plug face 14 of described combination rotary-piston 1 cooperates formation airtight separately separate chamber I, II, III, IV, V, VI with stator 3 profile surfaces.Carriage 15 is 4.Can freely swing by swivel pin 2 between the adjacent pistons element of construction 13 in the utility model combination rotary-piston; Combination rotary-piston 1 is done as a wholely to rotate around central point O; Carriage 15 hinging hole spacing lines constitute parallelogram, and its catercorner length becomes big gradually by little, again by diminishing greatly gradually.(x, y's outer ring face of four anchor bearings z) roll along supporting slide track 6 curvilinear path f on the piston structure unit 13 of combination rotary-piston 1.Supporting slide track 6 is configured in the axial both sides of stator die cavity.The combination rotary-piston 1 on each piston structure unit 13 two-end-point a, b, c, d, e, f, g, h movement locus be F (x, y, z), with the stator profile surface be Spielpassung.(x, y z) are supporting slide track 6 curvilinear path equations to f among Fig. 1.7 is stator die cavity curve among Fig. 1.Each piston structure unit 13 two-end-point a on the combination rotary-piston 1, b, c, d, e, f, g, h fit in seal clearance with stator die cavity curve 7 everywhere, form separate chamber I, II, III, IV, V, VI, as shown in Figure 1.Can freely swing by swivel pin 2 between the adjacent pistons element of construction 13 in the combination rotary-piston 1; Bearing 5 inner rings cooperate with swivel pin 2; Bearing 5 outer ring faces on supporting slide track 6 f (x, y z) roll on the curvilinear path face.When combination rotary-piston 1 by the direction of arrow shown in Figure 1 when rotate at the center, the diagonal of a parallelogram length that combination rotary-piston 1 hinging hole spacing line constitutes becomes big by little gradually from large to small more gradually, a on its combination rotary-piston 1, b, c, d, e, f, g, h is in company with 1 motion of combination rotary-piston, (x, y z) overlap for movement locus and stator 3 die cavity curvilinear path equation F.The volume of each piston structure unit 13 pairing I of separate chamber separately on the combination rotary-piston 1, II, III, IV, V, VI, simultaneously become big gradually by minimum, become minimum by maximum again, through flow from suction chamber 11 inspiration fluids, pass through delivery chamber 12 through flow, fluid is discharged, as shown in Figure 1.Fig. 2 does cyclical movement for one group of parallelogram summit of the utility model around its central point and forms closed curve track schematic diagram; The combination rotary-piston in doing cyclical movement, its end points dynamically be synchronized with the movement the die cavity curvilinear equation F that forms (x, y, z) and supporting slide track 6 curvilinear path equations all according to principle realization shown in Figure 2.

Claims

1, a kind of rotary piston machine is characterized in that: contain: stator (3), combination rotary-piston (1); Be provided with inner chamber body (8) in the described stator (3); Described combination rotary-piston (1) places in the inner chamber body (8); Be furnished with suction chamber (11), delivery chamber (12) in the described stator (3); Be provided with one group of suction port (9) in the described suction chamber (11); Be provided with an assembly in the delivery chamber (12) exhaust port of check valve sheet (4) (10) is arranged; Described suction port (9) communicates with inner chamber body (8) respectively with exhaust port (10); Described combination rotary-piston (1) is furnished with four piston structure unit (13); Described piston structure unit (13) contains plug face (14), carriage (15); Be coupling by the swivel pin (2) on the carriage (15) between the described piston structure unit (13); On described swivel pin (2), is furnished with bearing (5); Described carriage (15) hinging hole spacing line constitutes parallelogram; The length scale of described diagonal of a parallelogram becomes cyclically-varying; (x, y z) match for the movement locus of plug face (14) end points on the described combination rotary-piston (1) and stator (3) die cavity curvilinear path equation F; The plug face (14) of described combination rotary-piston (1) cooperates the airtight separately separate chamber (I, II, III, IV, V, VI) of formation with stator (3) profile surface.

2, rotary piston machine according to claim 1 is characterized in that: axially be furnished with supporting slide track (6) in both sides in described inner chamber body (8); Bearing (5) on the described combination rotary-piston (1) is along supporting slide track (6) cyclical movement.

3, rotary piston machine according to claim 1 and 2 is characterized in that: described carriage (15) is 4.