CN108252895A - A kind of four cylinder oil-free direct connection air compressor machines - Google Patents

A kind of four cylinder oil-free direct connection air compressor machines Download PDF

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Publication number
CN108252895A
CN108252895A CN201810122931.7A CN201810122931A CN108252895A CN 108252895 A CN108252895 A CN 108252895A CN 201810122931 A CN201810122931 A CN 201810122931A CN 108252895 A CN108252895 A CN 108252895A
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CN
China
Prior art keywords
cylinder
compression
babinet
air compressor
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810122931.7A
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Chinese (zh)
Inventor
黄俊锋
林钰文
黄泽华
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QUANZHOU HUADE ELECTROMECHANICAL EQUIPMENT CO Ltd
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QUANZHOU HUADE ELECTROMECHANICAL EQUIPMENT CO Ltd
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Priority to CN201810122931.7A priority Critical patent/CN108252895A/en
Publication of CN108252895A publication Critical patent/CN108252895A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036Component parts, details, e.g. sealings, lubrication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/12Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having plural sets of cylinders or pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0072Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes characterised by assembly or mounting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06Cooling; Heating; Prevention of freezing
    • F04B39/066Cooling by ventilation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

The present invention relates to a kind of four cylinder oil-free direct connection air compressor machines, two groups of cylinder compression groups including motor and set on motor both sides, two groups of cylinder compression groups are shifted to install in 180 °;Cylinder compression group includes a babinet, a connecting rod, a bent axle, a drive rod, two compression cylinders, two-piston, a fan blade and a fan housing;Babinet is installed on the end face of motor casing, and two compression cylinders are installed on the front and rear side of babinet;Connecting rod is set in babinet, and both sides are stretched by the through-hole of wall box in two compression cylinders respectively;Two pistons are respectively arranged on the front and back end of connecting rod, are slidably matched with corresponding compression cylinder;Bent axle is fixedly connected with the rotor;One end of drive rod is movably set in the eccentric shaft of bent axle, and the other end is flexibly connected with connecting rod;The eccentric orfice of fan blade is set in the tail portion of eccentric shaft and is rotated around electrical axis;Fan housing is installed on the end face of babinet.The present invention has high stationarity and reliability, while can also improve motor and be converted into air transformation of energy efficiency, lowers energy loss.

Description

A kind of four cylinder oil-free direct connection air compressor machines
Technical field
The present invention relates to air compressor field more particularly to a kind of four cylinder oil-free direct connection air compressor machines.
Background technology
Air compressor is mainly Reciprocting piston compressor, and motion mainly includes electric machine main shaft, bent axle and company Bar, the piston of cylinder are connected by connecting rod with bent axle, and motor band dynamic crankshaft rotates, and crank rotation while drives link motion, Piston is made to do reciprocating linear motion in cylinder body.
Existing cylinder is mainly distributed in shapes such as V, M around bent axle, so as to form the air compressor machines such as V-type, M types.These are empty The cylinder of press is all inclined to set in the top of air compressor machine, and inclined inertia force will necessarily be generated in its operation process.By If being not at same straight line in the stem piston of existing air compressor machine, although current air compressor machine producer can be designed by Rational structure, It can make motor relative equilibrium, but still can not completely eliminate all inertia force, and these inertia force will act on motor master Axis generates it obstruction, makes the reduction of its exploitation speed, causes the loss of motor power;Even if in addition air compressor machine all directions Inertia force is balanced, but its axis is not located at same straight line, and moment of inertia can not still be eliminated, and compressor is still deposited It is unstable operating, there are the feelings such as vibration, particularly when the speed of mainshaft improves, vibration is especially apparent.
In addition, the sealing ring of existing piston be typically designed as it is horn-like, rush can be inconsistent with the madial wall of cylinder, So as to reach sealing effect, but it relatively increases the phase mutual friction of sealing ring and cylinder, after a period of use, sealing Circle will generate abrasion, reduce its adaptation with cylinder, the efficiency that will further seriously affect air compressor machine compressed air.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of reasonable in design, running is more steady, it is reliable, Four low cylinder oil-free direct connection air compressor machines of energy loss.
To achieve the above object, technical solution of the invention is:A kind of four cylinder oil-free direct connection air compressor machines, including main The horizontal motor being made of motor casing, stator, rotor, stator are arranged in motor casing, and rotor is movably arranged on the interior of stator Circle, the both ends of rotor are extended respectively to outside motor casing.
The left and right sides of motor is respectively provided with one group of cylinder compression group, and two groups of cylinder compression groups are in shift to install and between them Error angle is 180 °.
Cylinder compression group include a babinet, a connecting rod, a bent axle, a drive rod, two compression cylinders, two-piston, a fan blade and One fan housing;Babinet is installed on the end face of motor casing, and two compression cylinders are installed on the front and rear side of babinet;Connecting rod is set in babinet, Both sides are stretched by the through-hole of wall box in two compression cylinders respectively;Two pistons are respectively arranged on the front and back end of connecting rod, and corresponding Compression cylinder be slidably matched;Bent axle is fixedly connected with the rotor, and bent axle includes crank and eccentric shaft;One end of drive rod is slidingly connected In eccentric shaft, the other end is flexibly connected with connecting rod, so as to make axis horizontal displacement of the connecting rod along compression cylinder;The eccentric orfice set of fan blade Tail portion loaded on eccentric shaft makes fan blade be rotated around electrical axis;Fan housing is installed on the end face of babinet, for covering fan blade.
Preferably, piston includes piston ring and seal assembly;Seal assembly includes the ring circle part set on piston ring end face, sets Justify the elastic component of part outer rim in ring and be sheathed on the first seal washer and the second gasket of elastic component outer rim with being superimposed with each other Circle, elastic component make the first anti-seal circle and the second seal washer radial dilatation contact at the inner wall of compression cylinder.
Preferably, elastic component is the ring body to form flexible notch, and the first seal washer is formed with the first angular cut, second Seal washer is formed with the second angular cut, and the first angular cut and the second angular cut shift to install.
Preferably, ring circle part has an end edge portion, and end edge portion is extended with set edge and is formed in the end edge portion and set edge Concave ring part between portion;Elastic component, the first seal washer and the second seal washer are set on the concave ring part.
Preferably, seal assembly has further included slow external member, and slow external member is sheathed on the set edge of ring circle part, when seal assembly is set In on piston ring, slow external member is located between piston ring and ring circle part;Further include the guided rings for being sheathed on piston ring outer rim, guided rings Elastomeric slit is formed with, which contradict the inner wall of guided rings and compression cylinder, horizontal with respect to compression cylinder with guidance piston Displacement.
Preferably, the connecting rod that connecting rod is arranged in parallel by two is formed;Drive rod is set on the gap between two connecting rods; Drive rod is flexibly connected by axis pin with two connecting rods;Bearing, drive rod and axis pin are set between drive rod and eccentric shaft Between be also set with bearing.
Preferably, end face of the babinet far from motor is provided with the channel connected with through-hole, and the width of channel is less than the straight of through-hole Diameter;The side wall of babinet is equipped with several reinforcing ribs;Babinet is equipped with several reinforcing plates close to the end face of motor.
Preferably, protecgulum is installed between fan blade and babinet.
Preferably, four compression cylinders are all one stage of compression cylinder;Or four compression cylinders include two one stage of compression cylinders and two Two-stage compression cylinder or four compression cylinders include three one stage of compression cylinders and a two-stage compression cylinder.
Preferably, the component of piston is by alusil alloy, aluminum matrix composite, polymer matrix composites, fibre reinforced base One or more being made in composite material, ceramic fibre enhancing based composites..
By using above-mentioned technical solution, the beneficial effects of the invention are as follows:
1st, the axis for being installed on two pistons along the compression cylinder of same connecting rod is made towards opposite horizontal displacement, and the two generates used Property power will be cancelled completely, and since two inertia force are there is no range difference, do not generate moment of inertia, ensure air compressor machine Stationarity and reliability reduce the vibration of air compressor machine, greatly improve motor and are converted into air transformation of energy efficiency, reduce energy damage Consumption.
2nd, the cylinder compression group of motor both sides is shifted to install in 180 °, ensures the balance at left and right sides of motor, reduces electricity The burden of machine reduces vibration.
3rd, two respectively fan blade be arranged on the outermost of air compressor machine, and towards transporting cold winds such as intermediate babinet, motors, it is real Show and precisely, widely cooled down for each heat generating components.
4th, elastic component makes the first anti-seal circle and the second seal washer radial dilatation contact at the inner wall of compression cylinder, reaches it To good sealing effect, while it can effectively mitigate the abrasion of two sealing rings;And the angular cut of two sealing rings is using wrong Position setting, therefore can guarantee and any influence is not generated to leakproofness of the present invention.
5th, the component of piston is made of high abrasion, high temperature resistant, low-expansion material so that this air compressor machine can expire The primary condition of sufficient oil-free work, drive rod, as revolving part, are reduced frictional force, further ensure that this air compressor machine using bearing It being capable of oil-free work.
Description of the drawings
Fig. 1 is the explosive view of the present invention;
Fig. 2 is the structure diagram of babinet;
Fig. 3 is the structure diagram of bent axle;
Fig. 4 is the structure diagram of connecting rod;
Fig. 5 is the explosive view of piston;
Fig. 6 is the structure diagram of fan blade;
Main appended drawing reference explanation:(1st, motor;11st, motor casing;12nd, stator;13rd, rotor;14th, motor seat board;2nd, compression cylinder; 21st, cylinder body;22nd, cylinder cap;23rd, upper valve plate;24th, lower valve plate;25th, sealing ring;26th, air inlet;27th, gas outlet;3rd, piston;31、 Piston ring;32nd, guided rings;321st, elastomeric slit;33rd, ring circle part;331st, end edge portion;332nd, edge is covered;333rd, concave ring part;34、 Elastic component;341st, elastic notch;35th, the first seal washer;351st, the first angular cut;36th, the second seal washer;361st, second tiltedly Notch;37th, delay external member;4th, babinet;41st, stepped hole;42nd, stiffener plate;43rd, strengthening rib strip;44th, through-hole;45th, channel;5th, it is bent Axis;51st, crank;52nd, eccentric shaft;53rd, mounting hole;54th, screw hole;6th, drive rod;61st, bearing;7th, connecting rod;71st, connecting rod; 72nd, circular hole;73rd, pin shaft hole;74th, axis pin;81st, fan blade;811st, eccentric orfice;82nd, fan housing;83rd, protecgulum;9th, charge air cooler;91st, gas Pipe).
Specific embodiment
It is further illustrated the present invention below in conjunction with the drawings and specific embodiments.
It should be noted that the Directional words mentioned in the present invention, such as:Above and below, front, rear, left and right etc., be for Convenient for the description present invention and simplify description rather than instruction or imply that signified device or element there must be specific side Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As shown in Figure 1, a kind of four cylinder oil-free direct connection air compressor machines, compress including 1, four compression cylinder 2 of motor and with four The piston 3 that cylinder 2 is slidably matched, four compression cylinders 2 are distributed in around motor 1 with being rectangle, the axis of the compression cylinder 2 of homonymy Identical, the axis of two pistons 3 along its corresponding compression cylinder 5 of homonymy does the opposite horizontal displacement in direction.
Motor 1 is in horizontal setting, directly using one kind of existing motor, such as common magneto, with gas-static The magneto of bearing, magneto with aero dynamic bearing etc..No matter which kind of motor, the required component packet of existing motor Motor casing 11, stator 12, rotor 13 are included, stator 12 is arranged in motor casing 11, and rotor 13 is movably arranged on the inner ring of stator 12, The both ends of rotor 13 are extended respectively to outside motor casing 11, further include bearing and several sealing rings etc., herein no longer for motor 1 Other parts make detailed construction.Motor 1 schedules motor seat board 14 by screwed lock.If motor seat board 14 can be by dry shaped material It is welded.
For convenience of the description present invention, two compression cylinders 2 of 1 side of motor and related match mechanism are referred to as cylinder compression Group, therefore the present invention has two groups of cylinder compression groups altogether.Two groups of cylinder compression groups are respectively arranged at the left and right sides of motor 1, this two Group cylinder compression group is in shift to install and the error angle between them is 180 °, using the design, the cylinder compression of 1 both sides of motor During group operating, the force direction generated is conducive to improve the stability of the present invention on the contrary, can cancel out each other, and reduces vibration, drop Low noise.
As shown in Figure 1, cylinder compression group further includes a babinet 3, a connecting rod 7, a bent axle 5, a drive rod 6, two-piston, one Fan blade 81, a fan housing 82 and two pistons 3 with being slidably matched respectively with two compression cylinders 2.
Two babinets 4 are installed on the left and right end face of motor casing 11 by screw respectively.As shown in Fig. 2, babinet 4 is close to motor 1 end face closing, but there are the stepped hole 41 passed through for rotor 13, stepped hole 41 extends towards motor 1, around stepped hole 41 Several stiffener plates 42 can be laid.The front-rear side walls of babinet 4 are respectively provided with a mounting surface (for label), locking is provided on mounting surface Compression cylinder 2 screw hole(It is unmarked).Mounting surface is provided with the through-hole 44 passed through for connecting rod 7, and through-hole 44 is rounded.4 side of babinet Position of the wall in addition to mounting surface is evenly distributed with strengthening rib strip 43.End face of the babinet 4 far from motor 1 is open, the end Face is formed with the channel 45 connected with through-hole 44, and the width of the channel 45 is less than the diameter of through-hole 44, so that connecting rod 7 is worn with couching It crosses but can not be passed through in a manner of being erected to.The stiffener plate 42 and strengthening rib strip 43 that top refers to not only enhance the rigidity of babinet 4 And intensity, reach reduction material, prolong the service life, be also used as the radiating fin of babinet 4, improve the heat dissipation effect of babinet 4.
Two compression cylinders 2 lock in the mounting surface of side before and after babinet 4 by screw, and the axis of two compression cylinders 2 is positioned at same Straight line.As shown in Figure 1, compression cylinder 2 uses existing cylinder, including cylinder body 21 and cylinder cap 22.Lower valve plate is installed in compression cylinder 2 (23、24)Upper lower valve plate(23、24)Sealing ring is fitted between compression cylinder 2(It is unmarked).Upper lower valve plate(23、24)All pacify The mechanisms such as the shrapnel equipped with corresponding valve block, the positioning pin of fixed valve block and auxiliary switch valve block, are not further Jie herein yet It continues.The air inlet 26 of compression cylinder 2 and gas outlet 27 are respectively arranged at the upper and lower sides of cylinder cap 22.
As shown in figure 3, bent axle 3 includes crank 51 and eccentric shaft 52.Crank 51 is provided with receiving among the end face of motor 1 The mounting hole 53 of rotor 13, side are then provided with the screw hole 54 passed through for screw, and the screw hole 54 and motor 1 are axially vertical. During installation, after rotor 13 first is inserted in mounting hole 53, then locked with screw.
Connecting rod 7 is set in babinet 4, and front and back end is respectively equipped with a piston 3 and stretches into two compression cylinders 2 by through-hole 44 respectively It is interior.As shown in figure 3, connecting rod 7 is made of two connecting rods being arranged in parallel 71, connecting rod 71 is in offset flat shape, two connecting rods 71 Between there are gaps, for accommodating drive rod 6, and swinging up and down for vertical plane can be made herein for drive rod 6.During connecting rod 71 is in Between big narrowing toward each end;Intermediate longitudinal section is rounded, is provided with the circular hole 72 passed through for eccentric shaft 52;Both sides are in then strip, wherein It is provided with pin shaft hole 73 on one side.During installation, drive rod 6 is first placed in two connecting rods 71, then axis pin 74 is passed through 71 He of connecting rod Connecting rod 7 so as to fulfill the flexible connection of connecting rod 71 and drive rod 6, is then installed on babinet 4 again, finally driven by drive rod 6 The other end of bar 6 is then flexibly connected with the eccentric shaft of crank 5 52.Further, it is set between drive rod 6 and eccentric shaft 52 Bearing 61, is also set with bearing 61 between drive rod 6 and axis pin 74, revolving part of the bearing 61 as drive rod 6 improves drive rod 6 flexibility reduces friction, without adding lubricating oil etc., the present invention is made to accomplish real oil-free.
As shown in Figure 1, two pistons 3 are respectively arranged on the front and back end of connecting rod 7, two pistons 3 are slided with corresponding compression cylinder 3 Cooperation.Eccentric shaft 52 drives drive rod 6, and drive rod 6 drives two pistons 3 to make in 2 axis of compression cylinder towards opposite by connecting rod 7 Displacement.Two pistons 3 are installed on same connecting rod 7 and make along the axis of compression cylinder 2 towards opposite horizontal displacement, two pistons 3 inertia force collective effect will cancel out each other in connecting rod, two inertia force, and range difference is not present between two inertia force, no Any moment of inertia can be generated, ensure that the balance and reliability of power in air compressor machine operation process so that present invention operating is flat Surely, it is with small vibration, noise is low, while motor is converted into the more efficient of air compression energy, reduce energy loss.
As shown in figure 5, piston 3 includes piston ring 31, guided rings 32 and seal assembly.Guided rings 32 are sheathed on piston ring 31 Outer rim, guided rings 32 are formed with elastomeric slit 321, which contradict guided rings 32 and the inner wall of compression cylinder 2, with Guidance piston 3 is with respect to 2 horizontal displacement of compression cylinder.Seal assembly includes ring circle part 33, elastic component 34, the first seal washer 35th, the second seal washer 36 eases up external member 37.Ring justifies the end face that part 33 schedules piston ring 3 by screwed lock.Ring circle part 33 has End edge portion 331, end edge portion 331 are extended with set edge 332, the concave ring part 333 between end edge portion 331 and set edge 332.Elastic component 34th, the first seal washer 35, the second seal washer 36 are sheathed on concave ring part 333.Wherein, elastic component 34 is forms flexible notch 341 ring body has the elastic force of radially outward pushing tow.First seal washer 35 and the second seal washer 36 are respectively formed with first 351 and second angular cut 361 of angular cut, two seal washers(35、36)It is sheathed on 34 outer rim of elastomer with being superimposed with each other, and First angular cut 351 and the second angular cut 361 shift to install, and make the first anti-seal 35 and second gasket of circle by elastic component 34 The inner wall that 36 radial dilatations contact at compression cylinder 2 is enclosed, reaches good sealing effect, while the use longevity of piston 3 can be extended Life.Slow external member 37 is then sheathed on the set edge 332 of ring circle part 33, and when seal assembly is set on piston ring 31, slow external member 37 is located at Between piston ring 31 and ring circle part 33.
Piston ring 31, guided rings 2 and the relevant seal assembly of the present invention is all using wear-resisting, high temperature resistant, low bulk system Several raw material are made, and ensure that the coefficient of expansion of associated components meets that oil-free is confidential to be asked.The material for meeting above-mentioned requirements mainly has: Alusil alloy, aluminum matrix composite, polymer matrix composites, fibre reinforced based composites, ceramic fibre enhancing base are compound Material etc., with the continuous development of material science, future will have more materials to disclosure satisfy that the demand, therefore not make one herein One enumerates.
As shown in Figure 1, fan blade 81 is installed on 52 tail portion of eccentric shaft.It is separated between fan blade 81 and babinet 4 by protecgulum 83, it is preceding Lid 83 locks in end face of the babinet 4 far from motor 1 by screw.Fan blade 81 is provided with eccentric orfice 811, and passes through screw by eccentric shaft 52 lock in eccentric orfice 811, and the axis of fan blade 81 and motor 2 on the same line, ensures that fan blade 81 is justified around the axis work of motor 2 Zhou Yundong.Wherein, the screw hole of eccentric shaft 52(It is not shown)Positioned at end face of the eccentric shaft 52 far from motor 1, the screw of fan blade 81 Hole(It is not shown)By its end face far from motor 1 eccentric orfice 811 is extended to towards motor 1.Two fan blades 81 are arranged on the present invention's The left and right sides, and be respectively facing motor 1 and dry, it is reasonable in design, it realizes and efficiently, precisely, is widely dropped for each heat generating components Temperature avoids part heat generating components from being ignored.Fan blade 81 is connected to eccentric shaft 52, not only simplifies the structure of the present invention, but also it is partially Heart design plays the effect identical with crank 51, is further ensured that in operation process, the balance and balance of power.
Fan housing 82 is also equipped in side of the fan blade 81 far from motor 1, fan housing 82 locks in protecgulum 83 and two by screw Except compression cylinder 2.
By changing the connection mode of corresponding tracheae 91 and replacing corresponding compression cylinder 2, the both exportable low pressure gas of the present invention Body (7 1Kg/cm2), and exportable high pressure gas(15 1Kg/cm2), using flexible is strong.
First method:For four compression cylinders 2 all for one stage of compression cylinder, the air inlet between them is orthogonal, it is respective go out Gas port 27 is connected to charge air cooler 9, then provide larger capacity for outside by respective tracheae.
Second method:Positioned at 1 homonymy of motor two compression cylinders 2 be respectively one stage of compression cylinder and two-stage compression cylinder, two The volume of grade compression cylinder is the 1/2 of one stage of compression cylinder volume.The gas outlet 27 of one stage of compression cylinder is connected to two level by tracheae 91 The air inlet 26 of compression cylinder, the gas outlet 27 of two-stage compression cylinder are connected to charge air cooler 9, then provide high pressure for outside by tracheae 91 Gas.
The third method:One stage of compression cylinder and a two-stage compression cylinder there are three in four compression cylinders 2, two-stage compression cylinder Volume is the 1/2 of one stage of compression cylinder volume.The gas outlet 27 of three one stage of compression cylinders is connected to two level pressure by tracheae 91 respectively The air inlet 26 of contracting cylinder, the gas outlet 27 of two-stage compression cylinder are connected to charge air cooler 9, then provide high pressure gas for outside by tracheae 91 Body.It can also only there are one gas outlets 27 that the air inlet of two-stage compression cylinder is connected to by tracheae 91 in three one stage of compression cylinders 26, other two then directly provides low-pressure gas for outside, and low pressure can also be provided so as to make the present invention that can provide high pressure, has There is versatility.
It is above-described, only presently preferred embodiments of the present invention, it is impossible to limit the range that the present invention is implemented, it is every according to The equivalent change and decoration that scope of the present invention patent is made should be all still fallen in the range of the present invention covers.

Claims (10)

1. a kind of four cylinder oil-free direct connection air compressor machines, including the horizontal motor being mainly made of motor casing, stator, rotor, stator It is arranged in motor casing, rotor is movably arranged on the inner ring of stator, and the both ends of rotor are extended respectively to outside motor casing;Its feature exists In:
The left and right sides of motor is respectively provided with one group of cylinder compression group, and two groups of cylinder compression groups are in shifting to install and the dislocation between them Angle is 180 °;
Cylinder compression group includes a babinet, a connecting rod, a bent axle, a drive rod, two compression cylinders, two-piston, a fan blade and a wind Cover;Babinet is installed on the end face of motor casing, and two compression cylinders are installed on the front and rear side of babinet;Connecting rod is set in babinet, both sides It is stretched into two compression cylinders by the through-hole of wall box respectively;Two pistons are respectively arranged on the front and back end of connecting rod, with corresponding pressure Contracting cylinder is slidably matched;Bent axle is fixedly connected with the rotor, and bent axle includes crank and eccentric shaft;One end of drive rod is movably set in partially Mandrel, the other end are flexibly connected with connecting rod, so as to make axis horizontal displacement of the connecting rod along compression cylinder;The eccentric orfice of fan blade is set in The tail portion of eccentric shaft makes fan blade be rotated around electrical axis;Fan housing is installed on the end face of babinet, for covering fan blade.
2. four cylinder oil-free direct connection air compressor machine according to claim 1, it is characterised in that:Piston includes piston ring and sealing group Part;Seal assembly includes the ring circle part set on piston ring end face, the elastic component set on ring circle part outer rim and covers with being superimposed with each other Set on the first seal washer and the second seal washer of elastic component outer rim, elastic component makes the first anti-seal circle and the second seal washer Radial dilatation contacts at the inner wall of compression cylinder.
3. four cylinder oil-free direct connection air compressor machine according to claim 2, it is characterised in that:Elastic component is to form flexible notch Ring body, the first seal washer are formed with the first angular cut, and the second seal washer is formed with the second angular cut, the first angular cut and Two angular cuts shift to install.
4. four cylinder oil-free direct connection air compressor machine according to claim 3, it is characterised in that:Ring circle part has an end edge portion, ora terminalis Portion is extended with set edge and is formed in the end edge portion and covers the concave ring part between edge;Elastic component, the first seal washer and Two seal washers are set on the concave ring part.
5. four cylinder oil-free direct connection air compressor machine according to claim 4, it is characterised in that:Seal assembly has further included slow external member, Slow external member is sheathed on the set edge of ring circle part, when seal assembly is set on piston ring, slow external member be located at piston ring and ring justify part it Between;The guided rings for being sheathed on piston ring outer rim are further included, for pessum into flexible notch, which makes guided rings and pressure The inner wall of contracting cylinder contradicts, with guidance piston with respect to compression cylinder horizontal displacement.
6. four cylinder oil-free direct connection air compressor machine according to claim 1, it is characterised in that:The connection that connecting rod is arranged in parallel by two Bar is formed;Drive rod is set on the gap between two connecting rods;Drive rod is flexibly connected by axis pin with two connecting rods;Driving Bearing is set between bar and eccentric shaft, bearing is also set between drive rod and axis pin.
7. four cylinder oil-free direct connection air compressor machine according to claim 1, it is characterised in that:End face of the babinet far from motor be provided with The channel of through-hole connection, the width of channel are less than the diameter of through-hole;The side wall of babinet is equipped with several reinforcing ribs;Babinet is close to motor End face be equipped with several reinforcing plates.
8. four cylinder oil-free direct connection air compressor machine according to claim 1, it is characterised in that:Before being equipped between fan blade and babinet Lid.
9. four cylinder oil-free direct connection air compressor machine according to claim 1, it is characterised in that:Four compression cylinders are all one stage of compression Cylinder;Or four compression cylinders include two one stage of compression cylinders and two two-stage compression cylinders or four compression cylinders include three level-one pressures Contracting cylinder and a two-stage compression cylinder.
10. according to any one of the claim 2-9 four cylinders oil-free direct connection air compressor machines, it is characterised in that:The component of piston is by aluminium Silicon alloy, aluminum matrix composite, polymer matrix composites, fibre reinforced based composites, ceramic fibre enhancing base composite wood One or more in material are made.
CN201810122931.7A 2018-02-07 2018-02-07 A kind of four cylinder oil-free direct connection air compressor machines Pending CN108252895A (en)

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EP4296511A1 (en) * 2022-06-24 2023-12-27 Gentilin Srl Reciprocating volumetric compressor structure

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