CN201747604U - Elliptic orbit groove reciprocating transmission piston type and diaphragm type compressor - Google Patents

Abstract

The utility model relates to an elliptic orbit groove reciprocating transmission piston type and diaphragm type compressor, which comprises main shafts (1), bearings (2), bearing blocks (3), an elliptic orbit groove disk body (4), an elliptic orbit groove (13), cylindrical housings (5), cylindrical nose brackets (8), rolling connecting rods (7), connecting rod bearings (12), positioning U-shaped forks (6), shaft seals (15), noses (9), positioning brace rods (11) and the like, wherein the bottom of the cylindrical nose bracket (8) is symmetrically provided with 2,3,4...a plurality of noses (9); the air suction pipe and the exhaust pipe of each nose are respectively connected in series into an air suction main and an exhaust main; each nose is correspondingly assorted with one positioning U-shaped fork (6), one shaft seal (15), one rolling connecting rod (7) and one connecting rod bearing (12); and the bearings (2) share the same one elliptic orbit groove (13). The utility model has simple and light structure, stable and smooth transmission, no vibration or pulse or noise, high efficiency, energy saving and long service life, is easy to process and is convenient to maintain.

Description

The reciprocal drive piston formula of elliptical orbit groove, membrane compressor

One, affiliated technical field: should belong to fluid dynamic machinery field.

Two, background technique:

The crank-connecting rod piston compressor, occupy the mainstream model status in the compression refigerating machine field always, particularly after the seventies in last century, along with processing technique is constantly improved and raising, its market share is constantly raise always, statistics according to 06,07 year shows that it almost occupies 50% domain in compressor market, the world.This is determined by following advantage because of it: (1) suitable pressure range is wide, and senior middle school's low pressure all is suitable for, and pressure regulation is convenient; (2) be suitable for multiple refrigerant; (3) except ultrahigh pressure, the mesolow application area is not high to material requirements, and processing cost is lower; (4) the exhaust flow velocity of comparing with rotary compressor and turbo-compressor is on the low side, lose little, the efficient height; But it self also has the following shortcoming that is difficult to overcome: the transmission of (one) crankshaft-link rod has inertial impact force, and vibration is big, and noise is arranged, and is unfavorable to environmental protection; (2) crankshaft-linking rod drive mechanism, heaviness is taken up an area of greatly, and processing acquires a certain degree of difficulty, and cost is higher; (3) crankshaft ﹠ connecting rotatablely moves when converting the straight line motion of piston to motive, and the acceleration period of generation is arranged, and produces pulsation in the pipeline thereby make.Its direct result is: the suction resistance of A, increase compressor descends its inlet capacity; B, increase it and extrude resistance, make pipeline increase extra duty, running expense increases; C: elongated when discharge conduit, when system does not have enough big back pressure, the inertial force of pulsation may cause that suction valve and expulsion valve open simultaneously, causes fluid directly to be rushed at the over-current phenomenon avoidance of discharge tube by suction pipe; D: the pulsation, the pipeline vibration that cause suction and head pressure; E: make compressor can not be applicable to the occasion that requires stability of flow, thereby dwindled the market of compressor.(4) efficient is low, the running expense height.

Diaphragm type compressor (pump) is simple in structure with it, do not have in the useless consumption of friction, friction own, noise free, do not contact and to make medium keep pure with medium, good airproof performance, medium does not have to leak outside and may wait characteristics, so be particularly suitable for carrying inflammable, explosive, poisonous, dangerous fluid, valuable rare gas.Therefore diaphragm type compressor (pump) occupies certain special status in compressor (pump) field.Some function is impossible substitute.Defect that but it also has faulty " tyre cavity band ", the rate of flow of fluid that (1) extrudes is on the low side, instability of flow; (2) drive unit supporting with it: A is a mechanical type, is exactly crankshaft ﹠ connecting, and list in its shortcoming front, no longer repeats; B hydraulic pressure (pneumatic) driving mechanism complexity, heaviness, occupation of land is big, cost is high, the running expense height.

Three, summary of the invention:

The disadvantage that connects stalk piston type membrane compressor at above-mentioned existing crank, defective and deficiency, I work out a kind of simple in structure, parts are few, in light weight, easily processing, cost is low, efficiently, energy-conservation, easy to maintenance, the new architecture of long service life: " the reciprocal drive piston formula of elliptical orbit groove; membrane compressor " is in order to update, this purpose realizes in the following manner: the reciprocal drive piston formula of elliptical orbit groove compressor is by main shaft, bearing, bearing support, elliptical orbit slotted disk body, the elliptical orbit groove, cylindrical casing, cylindrical shape head carriage, the rolling connecting rod, connecting rod bearing, location u shape fork, the axle envelope, the piston type compressed machine head of tradition single cylinder, compositions such as positioning supporting rod; It is characterized in that: main shaft cooperates assembling to be vertically mounted on the frame bottom plate with bearing, bearing support, described support is the fixing and supporting member of compressor, described main shaft is upward through the center of elliptical orbit slotted disk body, and be fixedly connected with flat key, be upward through the tube center of circle, the end of cylindrical shape head carriage again, and it is coaxial to connect realization disloyalty with the bearing location, and cylindrical shape head carriage is fixed on by positioning supporting rod on the inwall of cylindrical casing, and the cylindrical casing lower end is fixed on the frame bottom plate.

Bearing is equipped with in described rolling connecting rod lower end, and insert in the elliptical orbit groove, rolling connecting rod waist is positioned on the cylindrical shape head carriage outer wall and sliding contact with it by location u shape fork, and the facade of location u shape fork must be vertical, and its center line must be able to pass the cylindrical shape head carriage tube bottom tray center of circle; The horizontal elbow of rolling connecting rod passes cylindrical shape head carriage barrel and connects with piston rod, perforation prevents leakage of oil with the sealing of axle envelope, the horizontal elbow center line of connecting rod is necessary corresponding point-blank with the piston rod center line, and must can pass through the head carriage tube bottom tray center of circle.

The reciprocal drive piston formula of described elliptical orbit groove compressor, it is characterized in that: at the symmetry installation 2,3,4,6 of cylindrical shape head carriage bottom or a plurality of head, the sucking pipe of head and outlet pipe are connected into the suction and discharge house steward respectively, the corresponding location U-shaped fork of each head, axle envelope, rolling connecting rod, connecting rod bearing; The shared elliptical orbit groove of a plurality of connecting rod bearing.

The reciprocal drive piston formula of described elliptical orbit groove, membrane compressor, when the prime motive power drives main axis rotation, elliptical orbit slotted disk body band the rotation synchronously together of elliptical orbit groove, be positioned U-shaped fork of rolling connecting rod is fixed on the outer phase place of cylindrical shape head carriage barrel, can not rotate with the elliptical orbit groove, but replace by the connecting rod bearing place with the elliptical orbit major and minor axis, be forced to do entad linear reciprocating motion, thereby driving piston does reciprocating linear motion in cylinder, finish air-breathing, exhaust, to the gas working medium work done, gas working medium is compressed, main shaft passes the moving piston of an astragal and makes entad linear reciprocating motion twice, twice suction and discharge is to twice of working medium acting.

Four, beneficial effect

Compare with the existing crankshaft-link rod piston compressor of tradition, the utility model has following tangible advantage:

1, the utility model suction and discharge complete function, the division is clearly demarcated, and steadily slick and sly, the no acceleration of transition has overcome crankshaft-linking rod drive mechanism and has produced inertial impact force again, and vibration is big, and noise is arranged, and to the disadvantageous disadvantage of environmental protection, has also eliminated the big disaster of pulsation simultaneously.

2, the utility model is because the design of elliptical orbit groove special tectonic, main shaft whenever turn around (360 °) major and minor axis each twice by the setting phase place bearing (12) also just make it produce twice to-and-fro motion, with compare with the crankshaft-link rod piston compressor of rotating speed with power, its efficient totally is doubled, (bent axle machine main shaft whenever turn around (360 °) only produce a to-and-fro motion), efficient fully aware of significantly.

3, simple, the easily processing of the utility model component, suitable to produce in enormous quantities, processing cost is low.

4, the utility model noninertia impact force, running steadily, friction, lubricated fully, make things convenient for, puts in place, movement parts do not have powerful the contact, so this type long service life.

Five, description of drawings

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

Fig. 2 is main shaft (1) among the constant bearing schematic representation figure of the utility model head (9) on cylindrical shape head carriage (8), bearing (2), bearing support (3), cylindrical casing (4), elliptical orbit slotted disk body (5), location U-shaped fork (6), rolling connecting rod (7), cylindrical shape head carriage (8), head (9), bearing (10), positioning supporting rod (11), rolling connecting rod bearing (12), elliptical orbit groove (13), axle envelope (14), piston rod (15), piston (16).

Six, embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail: referring to Fig. 1, the reciprocal drive piston formula of Fig. 2 elliptical orbit groove of the present utility model compressor comprises: main shaft (1), bearing (2), bearing support (3), cylindrical casing (4), elliptical orbit slotted disk body (5), location U-shaped fork (6), rolling connecting rod (7), cylindrical shape head carriage (8), head (9), bearing (10), positioning supporting rod (11), rolling connecting rod bearing (12), elliptical orbit groove (13), axle envelope (14), piston rod (15), piston (16).

It (major axis one minor axis) ÷ 2=piston stroke of elliptical orbit groove S is determined in design, during prime motive power drives main shaft (1) rotation, main shaft (1) drives elliptical orbit slotted disk body (5), elliptical orbit groove (13) is done to rotate synchronously, the major and minor axis of elliptical orbit groove (13) replaces bearing (12) the place phase place by rolling connecting rod (7), bearing (12) is subjected to the tension of centrifugal thrust of elliptical orbit groove inwall and outer wall centripetal force, be forced to do to-and-fro motion entad, bearing (12) is located the restriction of U-shaped fork (6) again, so it can only be pitched at U-shaped on the phase place that (6) limit and do entad to-and-fro motion, bearing (12) drives rolling connecting rod (7), piston rod (15), piston (16) is done entad to-and-fro motion synchronously, a piston (16) to-and-fro motion, finish the suction and discharge work cycle once, main shaft (1) drives elliptical orbit groove (13) and whenever turns around, bearing (12) drives piston (16) and does twice entad straight reciprocating motion, so finish the suction and discharge work cycle with regard to twice, go round and begin again.

The piston type head that will be contained in cylindrical shape head carriage (8) bottom changes into the diaphragm type head, just become the reciprocal transmission membrane compressor of elliptical orbit groove, its structural principle is the same fully, this with regard to satisfactoryly solved that the rate of flow of fluid that existing diaphragm type compressor extrudes is on the low side, instability of flow and supporting driving mechanism heaviness, disadvantage that cost is high.

Claims (3)

1. the poor reciprocal drive piston formula compressor of elliptical orbit, by main shaft (1), bearing (2), bearing support (3), the elliptical orbit disk body (5) that is pickled with grains or in wine, elliptical orbit groove (13), cylindrical casing (4), cylindrical shape head carriage (8), rolling connecting rod (7), connect stalk bearing (12), location U-shaped fork (6), axle envelope (14), piston type compressed machine head (9), positioning supporting rod compositions such as (11), it is characterized in that: main shaft (1) and bearing (2), bearing support (3) cooperation is vertically mounted on the frame bottom plate, main shaft (1) is upward through the center of the poor disk body (5) of elliptical orbit, connect with flat key, be upward through the center of circle of the simple shape head carriage of circle (8) again, connect with bearing (10), main shaft (1), the center of elliptical orbit slotted disk body (5), cylindrical shape head carriage (8) center of circle, the same post of three-core, the simple shape head carriage of circle (8) is fixed on the interior ancient piece of jade, round, flat and with a hole in its centre of cylindrical casing (4) by positioning supporting rod (11), during main shaft (1) rotation, head carriage (8) does not rotate.

2. root is dug the poor reciprocal drive piston formula compressor of the described elliptical orbit of claim 1, it is characterized in that, bearing (12) is equipped with in rolling connecting rod (7) lower end, insert in the elliptical orbit poor (13), rolling connecting rod (7) waist is positioned on the outer ancient piece of jade, round, flat and with a hole in its centre of cylindrical shape head carriage (8) and sliding contact by location U-shaped fork (6), the facade of location U-shaped fork must be vertical, its center line must be able to pass the center of circle of cylindrical shape head carriage (8), the horizontal elbow of rolling connecting rod (7) passes cylindrical shape head carriage (8) barrel and connects with the piston rod (15) of head (9), establishing axle envelope (14) on the barrel seals, prevent leakage of oil, horizontal elbow center line, piston rod (15) center line must be corresponding on a horizontal linear, and by the center of circle, head carriage (8) bottom.

3. according to the reciprocal drive piston formula of the described elliptical orbit groove of claim 1 compressor, it is characterized in that: at the symmetry installation 2,3,4,6 of cylindrical shape head carriage (8) bottom or a plurality of head (9), the sucking pipe of head and outlet pipe are connected into the suction and discharge house steward respectively, the corresponding location U-shaped fork of each head (9) (6), axle envelope (14), rolling connecting rod (7), connecting rod bearing (12); The shared elliptical orbit grooves of a plurality of bearings (12) (13).

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