CN104675667B - Compressor structure - Google Patents

Compressor structure Download PDF

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Publication number
CN104675667B
CN104675667B CN201510022456.2A CN201510022456A CN104675667B CN 104675667 B CN104675667 B CN 104675667B CN 201510022456 A CN201510022456 A CN 201510022456A CN 104675667 B CN104675667 B CN 104675667B
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Prior art keywords
connecting rod
piston
chute
speed governing
bent axle
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CN104675667A (en
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张云
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Hangzhou Qianjiang Refrigeration Compressor Group Co., Ltd.
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Hangzhou Qianjiang Compressor Group Co Ltd
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Priority to CN201510022456.2A priority Critical patent/CN104675667B/en
Priority claimed from CN201210418501.2A external-priority patent/CN102979699B/en
Publication of CN104675667A publication Critical patent/CN104675667A/en
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Abstract

The invention discloses a compressor structure which comprises a crankshaft and at least one cylinder arranged in the radial direction of the crankshaft and driven by the crankshaft. A connecting rod fixed to a piston is arranged on the piston of each cylinder, a speed-adjusting sliding groove is formed in each connecting rod, length of each speed-adjusting sliding groove in the transverse direction of the corresponding connecting rod is matched with rotating diameter of a crank on the crankshaft, and the crank on the crankshaft is slidably connected in the speed-adjusting sliding groove. By the compressor structure, the problem that compressors are unbalanced in working and high in noise in the prior art is solved. The compressor structure is stable in working, low in noise, long in service life and suitable for various compressors different in type.

Description

A kind of compressor arrangement
Present patent application be Application No. 201210418501.2, the applying date be on October 29th, 2012, a kind of divisional application of the patent application of invention entitled " compressor arrangement ".
Technical field
The present invention relates to a kind of compressor, the low noise compressor arrangement of more particularly, to a kind of improvement.
Background technology
The widely used crankshaft connecting rod system of compressor of prior art, the connecting rod band piston that bent axle is rotated through swing moves reciprocatingly, thus completing compressor function.But this structure piston, when moving back and forth, is not directly proportional between crank rotation angle and the displacement of piston, when piston is when near upper and lower stop, the angle that bent axle turns over is larger and the displacement very little of piston.Under conditions of bent axle constant angular velocity rotates, piston is the cyclic process of acceleration-deceleration-acceleration-deceleration.In this operating mode, one is little when being big when the output torque of motor is, two be the movement of piston be sometimes fast and sometimes slow;This two factors all may result in the unstable of compressor operating, causes to vibrate and causes larger noise, when especially piston is compressed acting, the noise caused by this unbalanced working condition is more prominent.For as household electrical appliance such as refrigerator, refrigerators, larger noise will have a strong impact on the life of people, be very big product defects.In addition, the connecting rod of prior art compressor is to rotate or be slidably connected with the junction of piston, there is larger abrasion, have impact on the service life of compressor.Publication date is that April 1, the patent document of Publication No. CN20121509lY in 2009 disclose a kind of low noise compressor assembly, mainly solve the noise problems of too of conventional refrigeration compressor, the refrigeration made using this assembly, air-conditioning, heat-pump apparatus can be mounted directly indoors, and need not be its setting machine room and noise isolating acoustic device.It includes compressor, the vibration isolation sound proof housing up and down being welded by steel plate punched, high, low pressure vibration isolation pipe and extraction joint, interior, outer isolation mounting, the sealing protective ring of extracting power supply cord or transition terminal, it is arranged on the silencing apparatus in vibration isolation sound proof housing and the dividing wall type heat exchanger cooling down compressor, it is characterized in that being arranged in vibration isolation sound proof housing compressor by interior isolation mounting, the excessively respective vibration isolation pipe of high-low pressure exhaust suction Gutron of compressor and extraction joint, guide to outside vibration isolation sound proof housing, the power line of compressor is guided to outside vibration isolation sound proof housing by the sealing protective ring being contained on vibration isolation sound proof housing or transition terminal, upper vibration isolation sound proof housing is connected using guarantee sealing technology with lower vibration isolation sound proof housing, ensure its air-tightness.Vibration isolation sound proof housing is connected with the chassis of equipment by outer isolation mounting built with the dividing wall type heat exchanger device of silencing apparatus and cooling compressor, the footing of vibration isolation sound proof housing.This structure reduces the noise of compressor by closing mode, sufficiently bulky, is only applicable to large-scale compressor.In addition, its piston of the compressor of prior art and connecting rod generally adopt articulated structure, connecting rod is in addition to moving reciprocatingly with piston, also swing and make complicated plane motion, because connecting rod and the junction of piston are to rotate to be connected, therefore there is very big abrasion, have impact on the service life of compressor.Publication date is that April 2, the patent document of Publication No. CN201043563Y in 2008 disclose a kind of engine link, it is respectively equipped with small end of connecting rod and the big end of symmetry shape in gonnecting rod body upper and lower end, setting alignment pin is run through on the division face of big end and runs through connecting-rod bolts, strip Oil Guide groove is opened up on two planes before and after big end, is provided with the symmetrical raised reinforcement of connecting rod longitudinal center line at small end of connecting rod top.The molding in forging of this structure is convenient, reduces processing cost, but the wrist pin wear between connecting rod and piston is big, impact compressor service life problem still exists.
Content of the invention
The purpose of the present invention be for solve prior art compressor operating unbalanced, the big problem of noise and provide a kind of stable working, noise little compressor arrangement.
Second object of the present invention is that its wrist pin wear of compressor of prior art is big in order to solve, and affects the problem of compressor service life and provides a kind of compressor arrangement of long service life.
The present invention be employed technical scheme comprise that by solving above-mentioned technical problem:A kind of compressor arrangement, including bent axle and be arranged on bent axle radially and by this song at least one cylinder shaft-driven, the piston of described cylinder is provided with the connecting rod fixing with piston, connecting rod is provided with speed governing chute, speed governing chute is horizontally through the centrage on length of connecting rod direction, in connecting rod, length transversely is adapted speed governing chute with the rotating diameter of crank throw on described bent axle, the width of speed governing chute is adapted with the diameter of crank throw, crank throw on bent axle is slidably connected in described speed governing chute, during crank rotation, connecting rod central axis in the longitudinal direction is on the central axis of its end piston.The connecting rod of prior art is articulated structure with piston and bent axle, and the convert rotational motion of bent axle is the reciprocating motion of piston by connecting rod, thus completing the basic function of compressor.But this structure piston is when moving back and forth, not in direct ratio between the rotational angle of bent axle and the displacement of piston, when piston is when near upper and lower stop, the angle that bent axle turns over is larger and the displacement very little of piston;On the contrary, when centre position, the angle that bent axle turns over is less and the displacement of piston is larger for piston.In this operating mode, during the output torque of motor big when little and piston movement sometimes fast and sometimes slow, this two factors all may result in the unstable of compressor operating, vibration of compressor is caused to cause larger noise, when especially piston is compressed acting, the noise caused by this unbalanced working condition is more prominent.And the relative position of connecting rod and piston is fixed by the present invention, and setting speed governing chute to change the fixed relationship of the rotational angle of bent axle and piston displacement in prior art on connecting rod, coordinate to change the movement law of existing piston with bent axle by the direction or trench structure of speed governing chute, such as in the end of the compression travel of piston, by properly increasing the translational speed of piston, the unstable working condition of compressor can be slowed down, reach reduction vibration, reduce the purpose of compressor noise, the structure of the present invention is applied to the compressor of single cylinder structure, it is also applied for the compressor of many cylinder structures.In connecting rod, length transversely is adapted the speed governing chute of the present invention with the rotating diameter of crank throw on described bent axle, and the width of speed governing chute is adapted with the diameter of crank throw, and crank throw is slidably attached in speed governing chute.Because connecting rod and piston are fixed structure, the connecting rod of the therefore present invention cannot swing, during crank rotation, crank throw on bent axle rotates in speed governing chute and slidably reciprocates along groove, thus drivening rod does linear reciprocating motion, connecting rod does linear reciprocating motion with piston in the piston in the hole of cylinder, connecting rod central axis in the longitudinal direction all the time with the central axis of piston on same straight line.The present invention is combined, with speed governing chute, the reciprocating motion that the rotation of bent axle is converted into piston by crank throw, thus realizing the function of compressor.Because the shape of speed governing chute of the present invention or position can set according to actual needs, therefore can change the rotational angle of bent axle and the fixed relationship of piston displacement in prior art, so that compressor operating state is more stable, reduce the purpose of noise.Speed governing chute can make in theory piston displacement close to wait acceleration or wait deceleration regime, thus meeting some compressors with particular/special requirement.In addition, the connecting rod of the present invention is fixedly connected with the piston, there is no the piston pin of prior art, connecting rod only has relative motion with the crank throw on bent axle, therefore, the wrist pin wear problem of prior art does not also exist, thus extending the service life of compressor.
Using two cylinders compressor arrangement when, the piston hole of two cylinders is symmetricly set on the both sides of bent axle, the central axis of two cylinders is with the central axis of bent axle at grade, the piston of two cylinders is fixedly connected by same bipitch structure connecting rod, described speed governing chute is arranged on the centre of bipitch structure connecting rod, phase contrast between two cylinder piston motions is 180 degree, two cylinders is respectively provided with one and gives vent to anger and is in charge of.This structure crank rotation can drive each acting of two cylinders for one week once, the work efficiency of compressor can be improved, in addition, it is symmetrical arranged the volume that two cylinders can be substantially reduced compressor, two cylinder of the compressor of double-cylinder structure can also be connected in series, the output pressure of cylinder so can be significantly improved it is adaptable to need the compressor of elevated pressures occasion.In addition, the symmetrically arranged structure of two cylinders, due to fixing by piston at the two ends of bipitch structure connecting rod, changes the cantilever linkage structure of single cylinder, therefore the intensity requirement to connecting rod can be reduced with the stress of balanced connecting rod.
In order to further reduce the noise of compressor, twin-tub double-decker can also be adopted, during using twin-tub double-decker, cylinder is four, the central axis of four cylinders is with the central axis of bent axle at grade, the piston hole of cylinder divides two to the both sides being symmetricly set on bent axle, piston with a pair of cylinder is fixedly connected by same bipitch structure connecting rod, the centrage both sides of described bent axle are provided with two crank throws of dislocation arrangement, two crank throws are slidably connected in the speed governing chute of two bipitch structure connecting rods respectively, phase contrast between two cylinder piston motions of bent axle the same side is 180 degree, two cylinders positioned at bent axle the same side are cascaded structure, the gas outlet of one cylinder is connected with the air inlet of another cylinder, it is in be respectively provided with one and give vent to anger on two cylinders of final stage and be in charge of.This structure is the overlaying structure of above-mentioned double-cylinder structure, during superposition, two cylinder pistons motions positioned at bent axle the same side is in opposite direction, in addition to the benefit of double-cylinder structure, its two pairs of pistons are contrary due to the direction of motion, the vibration that piston one-way movement causes can be cancelled out each other, therefore, this structure has the characteristics that stable working, noise are little.In addition, this structure two adopts cascaded structure to cylinder, the cylinder series connection of opposite in phase, so can significantly improve the output pressure of cylinder it is adaptable to the higher compressor of pressure.
The double-deck compressor of twin-tub can also adopt structures below:Cylinder is four, the central axis of four cylinders is with the central axis of bent axle at grade, the piston hole of cylinder divides two to the both sides being symmetricly set on bent axle, piston with a pair of cylinder is fixedly connected by same bipitch structure connecting rod, the centrage both sides of described bent axle are provided with two crank throws of dislocation arrangement, two crank throws are slidably connected in the speed governing chute of two bipitch structure connecting rods respectively, phase contrast between two cylinder piston motions of bent axle the same side is 180 degree, four cylinders is respectively provided with one and gives vent to anger and is in charge of.This four cylinder compressor basic structures and benefit are consistent with aforementioned four cylinder compressors, but are not both this structure two and cylinder is adopted with parallel-connection structure, and phase place identical cylinder is in parallel, four cylinders is equipped with to give vent to anger and is in charge of.
A kind of simple scheme as speed governing chute, speed governing chute on connecting rod is straight-line groove, described speed governing chute and the length direction of connecting rod are obliquely arranged, and the incline direction of speed governing chute is consistent with the crank throw rotation direction on bent axle, symmetrical structure centered on described speed governing chute.This structure changes the fixed relationship of the rotational angle of bent axle and piston displacement in prior art by the speed governing chute being obliquely installed.Straight-line groove has acceleration near one section of moving process to this piston approaches top dead center of piston, and straight-line groove has decelerating effect away from one section of moving process leaving top dead centre to this piston of piston.The incline direction of speed governing chute is consistent with the crank throw rotation direction on bent axle, then piston is compared with prior art bigger than normal in its displacement of the end of compression travel, can reduce noise with the working condition of constant compression machine.
Alternative dispensing means as speed governing chute, speed governing chute on connecting rod is S-shaped, the line at described speed governing chute head and the tail two ends is obliquely arranged with the length direction of connecting rod, the incline direction of speed governing chute is consistent with the crank throw rotation direction on bent axle, symmetrical structure centered on described speed governing chute.The operation principle of S-shaped speed governing chute is similar with aforesaid rectilinear groove, simply the centrage of chute and straight line have certain deviation, present certain S-shaped distortion, the grooved of this distortion can improve the rotational angle of bent axle and the relation of piston displacement further with bent axle cooperation, thus the working condition of further constant compression machine, reduce noise.S-shaped speed governing chute is generally formed by the arcuate groove docking of two sections of structures that are centrosymmetric, and this structure is particularly suited for the symmetrically arranged compressor of cylinder.In addition, the S-shaped speed governing chute of the present invention can make in theory piston displacement close to wait acceleration or wait deceleration regime, thus meeting some compressors with particular/special requirement.
As preferred, the length direction of connecting rod is provided with oil duct, and one end of oil duct is located on the side wall of speed governing chute, and described piston is provided with annular oil groove, the other end of oil duct is connected with annular oil groove by being arranged on piston upper oil hole, and described connecting rod is crimped with piston, is spirally connected or integrally connected.
As preferred, the outfan upstream of compressor is provided with output gas force equalization mechanism, described output gas force equalization mechanism includes described giving vent to anger and is in charge of and is in charge of, with giving vent to anger, the house steward that gives vent to anger being connected, the described tube capacity amount being in charge of of giving vent to anger is identical, compressed gas produced by cylinder, after being in charge of by described giving vent to anger, order is discharged by the house steward that gives vent to anger.When the present invention adopts the structure of multiple cylinders, because cylinder is driven by same bent axle, there is phase contrast in the piston movement of cylinder therefore of the present invention, when the tube capacity amount be in charge of when giving vent to anger is identical, compressed gas produced by cylinder can order be discharged by the house steward that gives vent to anger after being in charge of by giving vent to anger, the impact that multiple cylinder expellant gas because synchronously arrive at so can be reduced to give vent to anger house steward and cause, reduces vibration and the noise that impact causes, tube capacity amount here refers to the volume being in charge of of giving vent to anger.In addition, compressor output end described here, refer to the final output end of compressor, the upstream at this end is generally included wherein one section of the house steward that gives vent to anger and is in charge of with giving vent to anger of being directly connected to of the house steward that gives vent to anger, there may be the situation of series connection in view of cylinder, therefore not the output of each cylinder is all connected with the house steward that gives vent to anger.
Preferably, connecting rod is segmentation spiro connection structure, the speed governing chute in the middle part of connecting rod is made up of two relative opening closures, is bolted connection between two relative openings of speed governing chute.Connecting rod is conducive to processing using segmentation spiro connection structure and assembles, and when the compressor in particular by twin-tub or four cylinder structures and connecting rod and piston adopt integrative-structure, segmentation spiro connection structure is conducive to connecting rod and Piston Machining and assembling.
Preferably, the body of compressor is Split type structure, described body includes cylinder block and crankshaft base, and described cylinder block is bolted with crankshaft base and couples.For multicylinder compressor, especially when connecting rod adopts integrative-structure with piston, the compressor block of Split type structure can also be adopted, now the body of compressor includes cylinder block and crankshaft base, cylinder block is bolted with crankshaft base and couples, assembling and the mismachining tolerance of piston hole so can also be solved the problems, such as, reduce production cost.In addition, for the symmetrical compressor of cylinder, the structure all being spirally connected with crankshaft base using both sides cylinder, it would however also be possible to employ side and crankshaft base one, the structure that opposite side and crankshaft base are spirally connected.
The invention has the beneficial effects as follows:The compressor operating that it efficiently solves prior art is unbalanced, the big problem of noise, also its wrist pin wear of compressor arrangement solving prior art is big, the problem of impact compressor service life, in addition, the speed governing chute of the present invention can make in theory piston displacement close to wait acceleration or wait deceleration regime, thus meeting some compressors with particular/special requirement.The arrangement works of the present invention are steady, noise is little and long service life, are suitable for various types of compressor, have very high use value.
Brief description
Fig. 1 is a kind of structural representation of compressor arrangement embodiment 1 of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is a kind of structural representation of compressor arrangement embodiment 4 of the present invention;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is a kind of structural representation of compressor arrangement embodiment 6 of the present invention;
Fig. 6 is a kind of combining structure schematic diagram of connecting rod of the present invention and piston;
Fig. 7 is a kind of structural representation of the split type body of the present invention;
Fig. 8 is the top view of Fig. 7;
Fig. 9 is a kind of structural representation of single cylinder compressor connecting rod of the present invention;
Figure 10 is another kind of structural representation of single cylinder compressor connecting rod of the present invention;
Figure 11 is a kind of structural representation of duplex cylinder compressor connecting rod of the present invention;
Figure 12 is the top view of Figure 11;
Figure 13 is another kind of structural representation of duplex cylinder compressor connecting rod of the present invention;
Figure 14 is a kind of structural representation of the connecting rod that the present invention adopts segmentation spiro connection structure.
In figure:1. body, 2. piston hole, 3. piston, 4. connecting rod, 5. speed governing chute, 6. bent axle, 7. crank throw, 8. oil duct, 9. oil groove, 10. oilhole, 11. fixing ends, 12. balance weights, 13. cylinder blocks, 14. crankshaft bases.
Specific embodiment
Below by embodiment, and combine accompanying drawing the specific embodiment of technical solution of the present invention is further described.
Embodiment 1
In embodiment 1 as shown in Figure 1, a kind of compressor arrangement, including body 1, bent axle 6 and be arranged on bent axle radially and by the shaft-driven cylinder of this song, piston 3 is equipped with the piston hole 2 on body, and piston is provided with the connecting rod 4 fixing with piston, and the fixing end 11 of connecting rod is crimped with piston, connecting rod is provided with speed governing chute 5, speed governing chute is straight-line groove, and speed governing chute is obliquely arranged with the length direction of connecting rod, and the incline direction of speed governing chute is consistent with the crank throw rotation direction on bent axle(See Fig. 2, in figure arrow is the rotation direction of crank throw on bent axle), speed governing chute is horizontally through the centrage on length of connecting rod direction, and the speed governing chute of centrage both sides constitutes centrosymmetric structure(See Fig. 9).The length direction of connecting rod is provided with oil duct 8, and one end of oil duct is located on the side wall of speed governing chute, and described piston is provided with annular oil groove 9, and the other end of oil duct is connected with annular oil groove by being arranged on piston upper oil hole 10.In connecting rod, length transversely is adapted speed governing chute with the rotating diameter of crank throw 7 on described bent axle, the width of speed governing chute is adapted with the diameter of crank throw, crank throw on bent axle is slidably connected in described speed governing chute, balance weight 12 is additionally provided with bent axle, during crank rotation, connecting rod central axis in the longitudinal direction is on the central axis of its end piston.
Embodiment 2
Embodiment 2 connecting rod and piston are spiro connection structure, and the speed governing chute on connecting rod is S-shaped, and S-shaped speed governing chute is formed by the arcuate groove docking of two sections of structures that are centrosymmetric(See Figure 10), the line at described speed governing chute head and the tail two ends obliquely arranged with the length direction of connecting rod, and the incline direction of speed governing chute is consistent with the crank throw rotation direction on bent axle, and remaining is identical with embodiment 1.
Embodiment 3
Embodiment 3 connecting rod is structure as a whole with piston, and remaining is identical with embodiment 1.
Embodiment 4
In embodiment 4 shown in Fig. 3 Fig. 4, cylinder is two, and the piston hole of cylinder is symmetricly set on the both sides of bent axle, and with the central axis of bent axle at grade, the piston of two cylinders is fixedly connected the central axis of two cylinders by same bipitch structure connecting rod(See Fig. 6), the speed governing chute on connecting rod is straight-line groove, and speed governing chute is arranged on the centre of bipitch structure connecting rod(See Figure 11, Figure 12), the phase contrast between the motion of two cylinder pistons is 180 degree, two cylinders is respectively provided with one and gives vent to anger and is in charge of.The outfan upstream of the compressor of embodiment 4 is provided with output gas force equalization mechanism, and described output gas force equalization mechanism includes described giving vent to anger and is in charge of and is in charge of, with giving vent to anger, the house steward that gives vent to anger being connected(In figure is not drawn into), the described tube capacity amount being in charge of of giving vent to anger is identical, compressed gas produced by cylinder, and after being in charge of by described giving vent to anger, order is discharged by the house steward that gives vent to anger, and remaining is identical with embodiment 1.
Embodiment 5
The cylinder of embodiment 5 is two, the piston hole of cylinder is symmetricly set on the both sides of bent axle, the central axis of two cylinders is with the central axis of bent axle at grade, the piston of two cylinders is fixedly connected by same bipitch structure connecting rod, speed governing chute on connecting rod is slightly S-shaped, is arranged on the centre of bipitch structure connecting rod(See Figure 13).The compressor block of embodiment 5 is Split type structure, and described body includes cylinder block 13 and crankshaft base 14, and both sides cylinder block is bolted with crankshaft base and couples(See Fig. 7, Fig. 8), remaining is identical with embodiment 4.
Embodiment 6
The cylinder of embodiment 6 is four, and with the central axis of bent axle at grade, the piston hole of cylinder divides two to the both sides being symmetricly set on bent axle to the central axis of four cylinders(See Fig. 5), it is fixedly connected by same bipitch structure connecting rod with the piston of a pair of cylinder, described connecting rod is segmentation spiro connection structure, the speed governing chute in the middle part of connecting rod is closed by two relative openings and constitutes, and is bolted connection between two relative openings of speed governing chute(See Figure 14).The centrage both sides of described bent axle are provided with two crank throws of dislocation arrangement, two crank throws are slidably connected in the speed governing chute of two bipitch structure connecting rods respectively, phase contrast between two cylinder piston motions of bent axle the same side is 180 degree, two cylinders positioned at bent axle the same side are cascaded structure, the gas outlet of one cylinder is connected with the air inlet of another cylinder, it is in be respectively provided with one and give vent to anger on two cylinders of final stage and is in charge of, remaining is identical with embodiment 4.
Embodiment 7
The cylinder of embodiment 7 is four, the central axis of four cylinders is with the central axis of bent axle at grade, the piston hole of cylinder divides two to the both sides being symmetricly set on bent axle, piston with a pair of cylinder is fixedly connected by same bipitch structure connecting rod, the centrage both sides of described bent axle are provided with two crank throws of dislocation arrangement, two crank throws are slidably connected in the speed governing chute of two bipitch structure connecting rods respectively, phase contrast between two cylinder piston motions of bent axle the same side is 180 degree, it is respectively provided with one and gives vent to anger on four cylinders and be in charge of, remaining is identical with embodiment 5.
In addition to the implementation; in scope disclosed in claims of the present invention and description; the technical characteristic of the present invention or technical data can be reselected and be combined; thus constituting new embodiment; these are all that need not to carry out creative work be attainable to those skilled in the art, and the embodiment that therefore these present invention are not described in also should be regarded as the specific embodiment of the present invention and within protection scope of the present invention.
The relative position of connecting rod and piston is fixed by the present invention, on connecting rod, setting speed governing chute to change the fixed relationship of the rotational angle of bent axle and piston displacement in prior art, coordinate to change the movement law of existing piston with bent axle by the direction or trench structure of speed governing chute, to slow down the unstable working condition of compressor, reach the purpose reducing vibration, reducing compressor noise.The shape of speed governing chute of the present invention or position can set according to actual needs, can make in theory piston displacement close to wait acceleration or wait deceleration regime, thus meeting some compressors with particular/special requirement.

Claims (3)

1. a kind of compressor arrangement, including bent axle and be arranged on bent axle radially and by shaft-driven four cylinders of this song, is characterized in that:The piston of described cylinder(3)It is provided with the connecting rod fixing with piston(4), connecting rod is provided with speed governing chute(5), speed governing chute is horizontally through the centrage on length of connecting rod direction, and speed governing chute is in connecting rod length transversely and described bent axle(6)Upper crank throw(7)Rotating diameter be adapted, the width of speed governing chute is adapted with the diameter of crank throw, and the crank throw on bent axle is slidably connected in described speed governing chute, and during crank rotation, connecting rod central axis in the longitudinal direction is on the central axis of its end piston;The central axis of four cylinders is with the central axis of bent axle at grade, the piston hole of cylinder divides two to the both sides being symmetricly set on bent axle, piston with a pair of cylinder is fixedly connected by same bipitch structure connecting rod, the centrage both sides of described bent axle are provided with two crank throws of dislocation arrangement, two crank throws are slidably connected in the speed governing chute of two bipitch structure connecting rods respectively, phase contrast between two cylinder piston motions of bent axle the same side is 180 degree, four cylinders is respectively provided with one and gives vent to anger and is in charge of;The length direction of connecting rod is provided with oil duct(8), on the side wall of speed governing chute, described piston is provided with annular oil groove for one end of oil duct(9), the other end of oil duct is by being arranged on piston upper oil hole(10)It is connected with annular oil groove, described connecting rod is crimped with piston, is spirally connected or integrally connectedThe outfan upstream of compressor is provided with output gas force equalization mechanism, described output gas force equalization mechanism includes described giving vent to anger and is in charge of and is in charge of, with giving vent to anger, the house steward that gives vent to anger being connected, the described tube capacity amount being in charge of of giving vent to anger is identical, compressed gas produced by cylinder, after being in charge of by described giving vent to anger, order is discharged by the house steward that gives vent to anger;Speed governing chute on connecting rod is S-shaped, and the line at described speed governing chute head and the tail two ends is obliquely arranged with the length direction of connecting rod, and the incline direction of speed governing chute is consistent with the crank throw rotation direction on bent axle, symmetrical structure centered on described speed governing chute.
2. compressor arrangement according to claim 1 it is characterised in that:Described connecting rod is segmentation spiro connection structure, and the speed governing chute in the middle part of connecting rod is made up of two relative opening closures, is bolted connection between two relative openings of speed governing chute.
3. compressor arrangement according to claim 1 and 2 it is characterised in that:The body of compressor(1)For Split type structure, described body includes cylinder block(13)And crankshaft base(14), described cylinder block is bolted with crankshaft base and couples.
CN201510022456.2A 2012-10-29 2012-10-29 Compressor structure Active CN104675667B (en)

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CN201210418501.2A CN102979699B (en) 2012-10-29 2012-10-29 Compressor structure
CN201510022456.2A CN104675667B (en) 2012-10-29 2012-10-29 Compressor structure

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CN104675667B true CN104675667B (en) 2017-02-08

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