CN102777349A - Sealing type single-drive multi-cylinder refrigerating compressor - Google Patents
Sealing type single-drive multi-cylinder refrigerating compressor Download PDFInfo
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- CN102777349A CN102777349A CN201210208036XA CN201210208036A CN102777349A CN 102777349 A CN102777349 A CN 102777349A CN 201210208036X A CN201210208036X A CN 201210208036XA CN 201210208036 A CN201210208036 A CN 201210208036A CN 102777349 A CN102777349 A CN 102777349A
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Abstract
The invention discloses a sealing type single-drive multi-cylinder refrigerating compressor. The compressor comprises a sealing type housing, a motor and a control device, wherein the motor is arranged in the housing and is connected with a crank shaft, the crank shaft is arranged vertically, even numbers of cylinders which are driven by the crank shaft through a connecting rod are arranged on the radial direction of the crank shaft, cylinders are arranged on two opposite sides of the crank shaft in pairs, the crank shaft is connected with pistons which are arranged on the same pairs of cylinders through a three-hole connecting rod, a horizontal chute which is vertical to the length direction of the three-hole connecting rod is arranged in the center of the three-hole connecting rod, and the crank shaft can be connected with the interior of the chute in a sliding mode. By the aid of the compressor, problems that in existing refrigerating compressors of the prior art, working efficiency is low, the vibration is large, the noise pollution is serious, piston pins are abraded and the service life is short are solved. The compressor has the advantages of being stable in operation, low in noise and long in service life. The compressor has high usage value and is worthy of application and popularization.
Description
Technical field
The present invention relates to a kind of enclosed refrigeration compressor, relate in particular to a kind of closed single multi-cylinder refrigeration compressor that drives.
Background technique
At present, use in the refrigeration compressor household electric appliance, extensively adopt the single cylinder refrigeration compressor that structure is simple relatively, cost is low at refrigerator, refrigerator etc.But also there are a lot of defectives in the single cylinder refrigeration compressor, and at first, in one week of driven by motor crankshaft rotating, refrigeration compressor only does work once, so the working efficiency of refrigeration compressor is lower; Secondly; Because the structural configuration of single cylinder refrigeration compressor is a dissymmetrical structure; Therefore refrigeration compressor vibration in the course of the work is bigger, has bigger noise pollution, for household electric appliance such as picture refrigerator, refrigerators; Bigger noise will have a strong impact on people's life, be very big product defect.In addition, there are bigger wearing and tearing in the connecting rod of existing technology refrigeration compressor and the joint of piston for rotating or being slidingly connected, and have influenced the working life of refrigeration compressor.Open day be that the patent document that May 27, publication number in 1992 are CN2105573U discloses a kind of reciprocating type duplex cylinder compressor, have an eccentric cam on its live axle, this eccentric cam pivot one axle collar; The axle collar respectively is provided with a driveshaft in two ends, each driveshaft is connected with piston, and piston moves reciprocatingly in the body cylinder; Be actions such as exhaust, air inlet; This structure is the twin-tub form, the secondary that can do work in one week of crankshaft rotating, so the compression efficiency of compressor is high; Relative volume reduces, and energy consumption reduces.But there is following point in this structure: 1. horizontal concrete chute need be set in piston, the processing of this chute, assembling difficulty are all very big; 2. the length of chute receives the restriction of piston diameter; And chute length is directly related with piston stroke, and promptly therefore the stroke of compressor piston needs significantly less than piston diameter; Limit compressor crank shaft and structure of piston parameter, limited the using scope of compressor; 3. owing to all have chute in the piston at connecting rod two ends; The connecting rod two ends can be free to slide in chute; When cam rotation during to its maximum eccentric point position vertical with connecting rod, the unascertainable swing of direction possibly appear in connecting rod, the cam rotation drivening rod occurs and swings and the motionless situation of piston; Thereby influence the stability of compressor operating, compressor noise increases simultaneously; 4. because all slide in the chute of piston in the two ends of connecting rod, therefore, the wearing and tearing between chute and the wrist pin are very big, because chute is at internal piston, the cost of production that therefore reduces this wearing and tearing is very high.
Summary of the invention
The objective of the invention is provides a kind of high efficiency closed single multi-cylinder refrigeration compressor that drives for the ineffective problem of single cylinder refrigeration compressor that solves existing technology.
Second purpose of the present invention is for the refrigerant compression machine vibration that solves existing technology is big, the problem that noise pollution is serious and a kind of stable working, closed single multi-cylinder refrigeration compressor that drives that noise is little are provided.
The 3rd purpose of the present invention is to wear and tear big for the refrigeration compressor wrist pin that solves existing technology; Influence the problem in refrigeration compressor working life and provide a kind of refrigeration compressor wrist pin wearing and tearing little, closed single multi-cylinder refrigeration compressor that drives that the refrigeration compressor life-span is long.
The present invention solves the problems of the technologies described above the technological scheme that is adopted to be: a kind of closed single multi-cylinder refrigeration compressor that drives; Comprise closed shell, motor and control gear; Described motor is arranged in the housing and with bent axle and connects, and described bent axle vertically is provided with, and the footpath of bent axle upwards is provided with the even number cylinder that is driven through connecting rod by this bent axle; Cylinder is arranged on the relative both sides of this bent axle in couples; On same vertical plane, bent axle links to each other with piston with a pair of cylinder through one three hole connecting rod with the central axis of the central axis of a pair of cylinder and bent axle, and the central authorities of three hole connecting rods are provided with and the vertical horizontal concrete chute of three hole length of connecting rod directions; Two piston pin holes on the three hole connecting rods are symmetricly set on the both sides of chute width direction; The rotating diameter of crank throw is suitable on the length of chute and the bent axle, and the width of chute and the diameter of crank throw are suitable, and crank throw is connected in the described chute slidably; When bent axle rotated, three hole connecting rods central axis in the longitudinal direction was on the central axis of its two ends piston.A plurality of cylinders are set around same bent axle; Then bent axle rotates and can drive a plurality of cylinders a week and do work; The single cylinder crankshaft of cooler compressor that the has solved existing technology refrigeration compressor that rotates a circle only does work once the ineffective problem of refrigeration compressor.In addition; The present invention adopts three hole connecting rods; The two ends of connecting rod adopt the wrist pin of existing technology to be connected with piston; The structure that connecting rod is connected with piston through wrist pin can make piston of the present invention adopt conventional General Construction, need not to offer chute on the piston, and the structural parameter of offering difficulty and compressor that solved chute are restricted; Influence the problem of refrigeration compressor using scope, also solved simultaneously existing technology and be provided with in piston that the compressor operating that chute causes is unstable, the refrigeration compressor noise reaches the big problem of wearing and tearing between chute and the wrist pin greatly.And the central authorities of connecting rod of the present invention are provided with the chute vertical with connecting rod, and the rotating diameter of crank throw is suitable on the length of chute and the bent axle, and the width of chute and the diameter of crank throw are suitable; Crank throw is slidingly connected in the chute; Because connecting rod is structure as a whole and two ends are restricted by piston, so connecting rod can't swing, when bent axle rotates; Crank throw on the bent axle rotates in chute and slidably reciprocates; Thereby drivening rod is done linear reciprocating motion, and the piston at connecting rod two ends is followed connecting rod and in the piston hole of cylinder, done linear reciprocating motion, promptly three hole connecting rods central axis in the longitudinal direction all the time with the central axis of its two ends piston on same straight line; The present invention combines the rotation of bent axle is converted into the to-and-fro motion of connecting rod two ends piston through crank throw with chute, thereby realizes the function of refrigeration compressor.Because structure of the present invention has only the chute in connecting rod middle part, the glide direction of crank throw in chute confirms that therefore piston motion of the present invention links up, and can guarantee the stable of refrigeration compressor working state like this.In addition; Only there is relative movement in connecting rod of the present invention with bent axle, and there are not rotation relation in wrist pin on the connecting rod and piston, therefore; The wear problem of insoluble wrist pin and piston joint does not exist in the present invention in the existing technology; Therefore prolong greatly the working life of wrist pin, and the Wear-resistant Treatment of connecting rod and bent axle connection part becomes simple relatively owing to not relating to piston, therefore adopts the refrigeration compressor of structure of the present invention can prolong greatly its working life.
When adopting the twin-tub structure, cylinder is two, and the piston hole of cylinder is symmetricly set on the both sides of bent axle, and described bent axle is provided with a crank throw, and the phase difference between two cylinder pistons motions is 180 degree, respectively is provided with one on two cylinders and gives vent to anger and be in charge of.This structure bent axle rotates and can drive each acting of two cylinders a week once; Can improve the working efficiency of refrigeration compressor; In addition, be symmetrical set the volume that two cylinders can significantly reduce refrigeration compressor, its two cylinders of the refrigeration compressor of twin-tub structure also can be connected in series; Can significantly improve the delivery pressure of cylinder like this, be applicable to the refrigeration compressor that needs the elevated pressures occasion.
When adopting the twin-tub double layer construction; Cylinder is four, and the central axis of four cylinders and the central axis of bent axle are on same vertical plane, and the piston hole of cylinder divides the two-layer both sides that are symmetricly set on bent axle; The center line both sides of said bent axle are provided with two crank throws of dislocation up and down; Two crank throws link to each other with the piston of bent axle both sides through the two three hole connecting rods of arranging up and down, and the phase difference between two cylinder pistons move up and down in bent axle the same side is 180 degree, respectively are provided with one on two cylinders on upper strata and give vent to anger and be in charge of; Two cylinders up and down that are positioned at bent axle the same side are cascaded structure, and the air outlet of lower floor's cylinder links to each other with the suction port of upper strata cylinder.This structure is the overlay structure of above-mentioned twin-tub structure, and two the cylinder piston travel directions up and down that are positioned at bent axle the same side when overlapping are opposite, except the benefit of twin-tub structure; Its two groups of pistons up and down are because moving direction is opposite; The vibration that the piston unidirectional movement causes can be cancelled out each other, and therefore, this structure has stable working, characteristics that noise is little; The refrigerant compression machine vibration that has solved existing technology effectively is big, the problem that noise pollution is serious.In addition, the up and down two-layer cylinder of this structure adopts cascaded structure, and the cylinder that phase place is opposite is connected, and can significantly improve the delivery pressure of cylinder like this, is applicable to the refrigeration compressor that pressure is higher.
The double-deck refrigeration compressor of twin-tub also can adopt following structure: cylinder is four; The central axis of four cylinders and the central axis of bent axle are on same vertical plane; The piston hole of cylinder divides the two-layer both sides that are symmetricly set on bent axle; The center line both sides of said bent axle are provided with two crank throws of dislocation up and down; Two crank throws link to each other with the piston of bent axle both sides through the two three hole connecting rods of arranging up and down, and the phase difference between two cylinder pistons move up and down in bent axle the same side is 180 degree, respectively are provided with one on four cylinders and give vent to anger and be in charge of.This four cylinder refrigeration compressor basic structures and benefit are consistent with aforementioned four cylinder refrigeration compressors, but different be that four cylinders are final for being connected in parallel, be equipped with to give vent to anger on four cylinders and be in charge of.
The refrigeration compressor of four cylinders also can adopt four cylinder settings structure at grade; That is: cylinder is four; The piston hole of four cylinders is evenly distributed on the same horizontal plane; Described bent axle is provided with a crank throw; Bent axle is cross-shaped layout through two and the three hole connecting rods of length direction center line on same horizontal plane link to each other with the piston of four cylinders, and the phase difference between adjacent two cylinder pistons motion is 90 degree, respectively is provided with one on four cylinders and gives vent to anger and be in charge of.This structure bent axle rotates and can drive each acting of four cylinders a week once, can further improve the working efficiency of refrigeration compressor, simultaneously, four cylinders is arranged on the volume that can further reduce refrigeration compressor on the same horizontal plane.In addition, be arranged on four cylinders on the same horizontal plane and when adopting two connecting rods that are cross-shaped layout to connect, the center line of length of connecting rod direction need be maintained at the same horizontal plane, and therefore, adopt the connecting rod of dissymmetrical structure up and down.
When adopting four cylinder double layer constructions; Cylinder is eight; Divide the two superimposed setting, the piston hole of every layer of four cylinder is evenly distributed on the same horizontal plane, and the center line both sides of said bent axle are provided with two crank throws of dislocation up and down; Two crank throws are cross-shaped layout and link to each other with piston with the four three hole connecting rods of center line on same horizontal plane of layer length of connecting rod direction through two-layer up and down; Phase difference on the same horizontal plane between adjacent two cylinder pistons motion is 90 degree, and the phase difference between two cylinder pistons motions up and down of bent axle the same side is 180 degree, respectively is provided with one on four cylinders on upper strata and gives vent to anger and be in charge of; Two cylinders up and down that are positioned at bent axle the same side are cascaded structure, and the air outlet of lower floor's cylinder links to each other with the suction port of upper strata cylinder.This structure is the overlay structure of above-mentioned individual layer four cylinder structures; Two the cylinder piston travel directions up and down that are positioned at bent axle the same side when overlapping are opposite, and the overlapping center line that is meant two cylinders up and down that are positioned at bent axle the same side described here is on same vertical plane.Except the benefit of individual layer four cylinder structures; Its two groups of pistons up and down are because moving direction is opposite; The vibration that the piston unidirectional movement causes can be cancelled out each other, and therefore, this structure has stable working, characteristics that noise is little; The refrigerant compression machine vibration that can solve existing technology is big, the problem that noise pollution is serious.In addition, the up and down two-layer cylinder of this structure adopts cascaded structure, and the cylinder that phase place is opposite is connected, and can significantly improve the delivery pressure of cylinder like this, is applicable to the refrigeration compressor that pressure is higher.
The double-deck refrigeration compressor of four cylinders also can adopt following structure: cylinder is eight; Divide the two superimposed setting; The piston hole of every layer of four cylinder is evenly distributed on the same horizontal plane; The center line both sides of said bent axle are provided with two crank throws of dislocation up and down; Two crank throws are cross-shaped layout and link to each other with piston with the four three hole connecting rods of center line on same horizontal plane of layer length of connecting rod direction through two-layer up and down; Phase difference on the same horizontal plane between adjacent two cylinder pistons motion is 90 degree, and the phase difference between two cylinder pistons motions up and down of bent axle the same side is 180 degree, respectively is provided with one on eight cylinders and gives vent to anger and be in charge of.This eight cylinder refrigeration compressor basic structures and benefit are consistent with the double-deck refrigeration compressor of aforementioned four cylinders, but different be that eight cylinders are final for being connected in parallel, be equipped with to give vent to anger on eight cylinders and be in charge of.
As preferably; The output terminal upper reaches of refrigeration compressor are provided with output gas force equalization mechanism; Described output gas force equalization mechanism comprises that described giving vent to anger be in charge of and be in charge of the house steward that gives vent to anger who is connected with giving vent to anger; The said pipe capacity be in charge of of giving vent to anger is identical, and the pressurized gas that cylinder produced is in charge of the back order and is discharged through the house steward that gives vent to anger through described giving vent to anger.Because cylinder of the present invention is by same crank-driven; Therefore there is phase difference in the piston motion of cylinder of the present invention itself; When the pipe capacity of being in charge of when giving vent to anger is identical, after being in charge of through giving vent to anger, the pressurized gas that cylinder produced order to discharge, even under the situation of eight cylinder parallel-connection structures through the house steward that gives vent to anger; Also have only the gas of two cylinders to arrive the house steward that gives vent to anger simultaneously; The gas that can reduce a plurality of cylinders discharges like this reduces vibration and noise that impact causes because arrive the impact of giving vent to anger house steward and causing synchronously, and the pipe capacity here is meant the volume of giving vent to anger and being in charge of.In addition; Refrigeration compressor output terminal described here; Be meant and the final output terminal of refrigeration compressor; The upper reaches of this end generally include wherein a section and be in charge of with direct-connected the giving vent to anger of house steward of giving vent to anger of the house steward that gives vent to anger, and consider that possibly there is the situation of series connection in cylinder, and the output that therefore is not each cylinder all connects the house steward that gives vent to anger.
As preferably; Three hole connecting rods are the centrosymmetric structure of homogeneity one, and the length direction in the three hole connecting rods is provided with oil duct, and an end of oil duct is positioned at the piston pin hole of three hole interlinking lever ends; The other end of oil duct is positioned on the sidewall of chute, and described three hole connecting rods are to wait thick structure.The three hole Machining of Connecting Rod convenience and the precision of homogeneity integrative-structure guarantee easily, are suitable for the bent axle that crank throw is positioned at the end; Be positioned at middle bent axle for crank throw; Then can adopt three hole connecting rods of segmental structure, at this moment, three hole connecting rods are spirally connected by two sections connecting rod shanies and constitute; The chute at connecting rod middle part, three holes then forms by two opening opposing are closed, can easily three hole connecting rods be set on the crank throw like this.Three hole connecting rods can make things convenient for the manufacturing of three hole connecting rods for waiting thick structure, and thickness described here is meant three hole connecting rods thickness in vertical direction, i.e. the thickness of three hole connecting rods on piston pin hole is axial.In addition and since between wrist pin and the piston on the present invention's three hole connecting rods when work relative fixed, therefore the oil duct effect in the three hole connecting rods is less relatively, more is maintenance for convenience detach through oil duct to the lubricated of wrist pin.
Another kind of structure as three hole connecting rods; Three hole connecting rods are the thick structure that waits of homogeneity one; The centre of three hole connecting rods is provided with the bending groove, and the bottom land of bending groove is lower than the horizontal central plane of three hole connecting rods, the width of bending groove bottom land on three hole length of connecting rod directions greater than the Extreme breadth at three hole connecting rods middle part and chute effective length and; Two its bending grooves of three hole connecting rods that are cross-shaped layout are oppositely arranged; Length direction in the three hole connecting rods of bending groove both sides is provided with oil duct, and an end of oil duct is positioned at the piston pin hole of three hole interlinking lever ends, and the other end of oil duct is positioned on the sidewall of bending groove near bottom land.In the middle of being, the difference of this three hole connecting rods and aforementioned three hole connecting rods is provided with the bending groove; The bottom land of bending groove is lower than the horizontal central plane of three hole connecting rods; The horizontal central plane of three hole connecting rods described here is the horizontal central plane of connecting rod piston that two ends connect just; The bending groove setting here is that the center line of three hole length of connecting rod directions is on same horizontal plane when being cross-shaped layout for satisfied two three hole connecting rods, and connecting rod could be suitable with four pistons on the same horizontal plane like this.And the bottom land of bending groove is a little less than the horizontal central plane of three hole connecting rods; Can avoid two connecting rod phases mutual friction up and down so on the one hand; Be to avoid the bending of connecting rod middle part excessive and influence structural strength on the other hand; And the width of bending groove on three hole length of connecting rod directions greater than the Extreme breadth at three hole connecting rods middle part and chute effective length and, the chute effective length here is meant the sliding distance of crank throw in chute, i.e. the crank throw throw of eccentric of twice; This sliding distance is the displacement distance of connecting rod on its length direction, and the setting principle of this bending well width is to guarantee that two connecting rods are not interfered each other to get final product when work.In like manner, be positioned at middle bent axle for crank throw, this three hole connecting rods that have the bending groove also can adopt segmental structure; At this moment; Three hole connecting rods are spirally connected by two sections connecting rod shanies and constitute, and the chute at connecting rod middle part, three holes then forms by two opening opposing are closed, can easily three hole connecting rods be set on the crank throw like this; And the selection principle of three hole connecting rods middle part bending groove depth is applicable to three hole connecting rods of segmental structure too.In addition, because there is the bending structure in the centre of three hole connecting rods, therefore, the thick structure that waits described here is not properly to wait thick structure, but a kind of structure that is similar to after the steel plate bending.
The invention has the beneficial effects as follows: it has solved existing technological refrigeration compressor inefficiency effectively, vibration is big and the serious problem of noise pollution; Also solved the problem that the wearing and tearing of refrigeration compressor wrist pin are big, working life is short of existing technology; Refrigeration compressor stable working of the present invention, noise is little and long service life; Have very high use value, be worthy of popularization.
Description of drawings
Fig. 1 is the closed single a kind of overall structure schematic representation that drives the multi-cylinder refrigeration compressor of the present invention;
Fig. 2 is the closed single a kind of partial structurtes schematic representation that drives multi-cylinder refrigeration compressor embodiment 1 of the present invention;
Fig. 3 is the plan structure schematic representation of Fig. 2.
Fig. 4 is the closed single a kind of structural representation that drives multi-cylinder refrigeration compressor embodiment 2 of the present invention.
Fig. 5 is the closed single a kind of structural representation that drives multi-cylinder refrigeration compressor embodiment 4 of the present invention.
Fig. 6 is the closed single a kind of structural representation that drives multi-cylinder refrigeration compressor three hole connecting rods of the present invention.
Fig. 7 is the plan structure schematic representation of Fig. 6.
Fig. 8 is the closed single another kind of structural representation that drives multi-cylinder refrigeration compressor three hole connecting rods of the present invention.
Fig. 9 is the closed single a kind of structural representation that the multi-cylinder refrigeration compressor has three hole connecting rods of bending groove that drives of the present invention.
Figure 10 is the plan structure schematic representation of Fig. 9.
Figure 11 is the closed single another kind of structural representation that the multi-cylinder refrigeration compressor has three hole connecting rods of bending groove that drives of the present invention.
Among the figure: 1. piston hole, 2. bent axle, 3. three hole connecting rods, 4. piston, 5. chute, 6. crank throw; 7. oil duct, 8. piston pin hole, 9. bending groove, 10. wrist pin, 11. motors, 12. upper shells; 13. lower shell body, 14. cylinder head, 15. fuel sucking pipes, 16. exhaust valve plates, 17. valve plates, 18. suction valve chips; 19. top cover, 20. bodies, 21. control gear, 22. muffler assemblies, 23. refrigerator oils.
Embodiment
Pass through embodiment below, and combine accompanying drawing that the embodiment of technological scheme of the present invention is further described.
In like Fig. 1, Fig. 2, embodiment 1 shown in Figure 3, a kind of closed single multi-cylinder refrigeration compressor that drives comprises closed shell; Closed shell 12 is made up of upper shell and lower shell body 13 welding, and control gear 21 is arranged on outside the housing, and motor 11 is arranged in the housing and with bent axle 2 and connects; Described bent axle vertically is provided with, and the bottom hollow of bent axle constitutes the fuel sucking pipe 15 that stretches into refrigerator oil 23, and the upper end of bent axle connects top cover 19; Bent axle is provided with a crank throw 6; The footpath of bent axle upwards is provided with the cylinder that is driven through connecting rod by this bent axle, and described cylinder is two, and the piston hole 1 of two cylinders is symmetricly set on the body 20 of both sides of bent axle; Cylinder is provided with cylinder head 14, suction valve chip 18, valve plate 17 and exhaust valve plate 16, and the below of cylinder also is provided with muffler assembly 22.The central axis of 2 cylinders and the central axis of bent axle are on same vertical plane; Bent axle links to each other with the piston 4 of same two cylinders through the three hole connecting rods 3 (seeing Fig. 6 Fig. 7) of a thick structure such as grade; Three hole connecting rods are the centrosymmetric structure of homogeneity one, and the central authorities of three hole connecting rods are provided with the both sides that two piston pin holes 8 on horizontal concrete chute 5, the three hole connecting rods vertical with three hole length of connecting rod directions are symmetricly set on the chute width direction; The rotating diameter of crank throw 6 is suitable on the length of chute and the bent axle; The width of chute and the diameter of crank throw are suitable, and crank throw is connected in the described chute slidably, and the length direction in the three hole connecting rods is provided with oil duct 7; One end of oil duct is positioned at the piston pin hole of three hole interlinking lever ends, and the other end of oil duct is positioned on the sidewall of chute; When bent axle rotated, three hole connecting rods central axis in the longitudinal direction was on the central axis of its two ends piston, and the phase difference between two cylinder pistons motions is 180 degree, respectively was provided with one on two cylinders and gave vent to anger and be in charge of.Closed single output terminal upper reaches that drive the multi-cylinder refrigeration compressor are provided with output gas force equalization mechanism; Described output gas force equalization mechanism comprises that described giving vent to anger be in charge of and be in charge of the house steward that gives vent to anger (not marking among the figure) who is connected with giving vent to anger; The said pipe capacity be in charge of of giving vent to anger is identical; The pressurized gas that cylinder produced is in charge of the back order through the house steward's discharge of giving vent to anger through described giving vent to anger.
In embodiment as shown in Figure 42; Cylinder is four, and the central axis of four cylinders and the central axis of bent axle are on same vertical plane, and the piston hole of cylinder divides the two-layer both sides that are symmetricly set on bent axle; The center line both sides of said bent axle are provided with two crank throws of dislocation up and down; Two crank throws link to each other with the piston of bent axle both sides through the two three hole connecting rods of arranging up and down, and described three hole connecting rods are segmental structure, that is: wait three hole connecting rods of thick structure to be spirally connected by two sections connecting rod shanies and constitute (see figure 8); The chute at connecting rod middle part, three holes then forms by two opening opposing are closed, can easily three hole connecting rods be set on the crank throw like this.Phase difference between the motion of two cylinder pistons up and down of bent axle the same side is 180 degree; Respectively being provided with one on two cylinders on upper strata gives vent to anger and is in charge of; Two cylinders up and down that are positioned at bent axle the same side are cascaded structure; The air outlet of lower floor's cylinder links to each other with the suction port of upper strata cylinder, and all the other are identical with embodiment 1.
In embodiment as shown in Figure 54, cylinder is four, and four cylinders are divided into two pairs of relative both sides that are arranged on bent axle; The piston hole of four cylinders is evenly distributed on the same horizontal plane; On same vertical plane, the angle of two pairs of cylinder axis axis is 90 degree with the central axis of the central axis of a pair of cylinder and bent axle, and described bent axle is provided with a crank throw; Bent axle is cross-shaped layout through two and the three hole connecting rods of length direction center line on same horizontal plane link to each other with the piston of four cylinders; Three hole connecting rods are the thick structure that waits of homogeneity one, and the centre of three hole connecting rods is provided with bending groove 9 (seeing Fig. 9 Figure 10), and the bottom land of bending groove is lower than 0.6 millimeter of the horizontal central plane of three hole connecting rods; The width of bending groove bottom land on three hole length of connecting rod directions greater than the Extreme breadth at three hole connecting rods middle part and chute effective length and; Two its bending grooves of three hole connecting rods that are cross-shaped layout are oppositely arranged, and are provided with oil duct on the length direction in three hole connecting rods of bending groove both sides, and an end of oil duct is positioned at the piston pin hole of three hole interlinking lever ends; The other end of oil duct is positioned on the sidewall of bending groove near bottom land; Phase difference between adjacent two cylinder pistons motion is 90 degree, respectively is provided with one on four cylinders and gives vent to anger and be in charge of, and all the other are identical with embodiment 1.
Embodiment 5 cylinder is eight; Divide the two superimposed setting; The piston hole of every layer of four cylinder is evenly distributed on the same horizontal plane; The center line both sides of said bent axle are provided with up and down two crank throws of dislocation, and two crank throws are cross-shaped layout and link to each other with piston with the four three hole connecting rods of center line on same horizontal plane of layer length of connecting rod direction through two-layer up and down, wait the middle bending groove that is provided with of three hole connecting rods of thick structure; The bottom land of bending groove is lower than 0.8 millimeter of the horizontal central plane of three hole connecting rods; The width of bending groove bottom land on three hole length of connecting rod directions greater than the Extreme breadth at three hole connecting rods middle part and chute effective length and, described three hole connecting rods are segmental structure, that is: three hole connecting rods are spirally connected by two sections connecting rod shanies and constitute (seeing Figure 11); The chute at connecting rod middle part, three holes then forms by two opening opposing are closed, can easily three hole connecting rods be set on the crank throw like this.Phase difference on the same horizontal plane between adjacent two cylinder pistons motion is 90 degree; Phase difference between the motion of two cylinder pistons up and down of bent axle the same side is 180 degree; Respectively being provided with one on four cylinders on upper strata gives vent to anger and is in charge of; Two cylinders up and down that are positioned at bent axle the same side are cascaded structure, and the air outlet of lower floor's cylinder links to each other with the suction port of upper strata cylinder, i.e. two opposite cylinder series connection of upper and lower layers phase place.Present embodiment is the overlay structure of embodiment's 4 series connection forms, and all the other are identical with embodiment 4.
Embodiment 6 cylinder is eight; Divide the two superimposed setting; The piston hole of every layer of four cylinder is evenly distributed on the same horizontal plane; The center line both sides of said bent axle are provided with up and down two crank throws of dislocation, and two crank throws are cross-shaped layout and link to each other with piston with the four three hole connecting rods of center line on same horizontal plane of layer length of connecting rod direction through two-layer up and down, wait the middle bending groove that is provided with of three hole connecting rods of thick structure; The bottom land of bending groove is lower than 1 millimeter of the horizontal central plane of three hole connecting rods; The width of bending groove bottom land on three hole length of connecting rod directions greater than the Extreme breadth at three hole connecting rods middle part and chute effective length and, described three hole connecting rods are segmental structure, that is: three hole connecting rods are spirally connected by two sections connecting rod shanies and constitute (seeing Figure 11); The chute at connecting rod middle part, three holes then forms by two opening opposing are closed, can easily three hole connecting rods be set on the crank throw like this.Phase difference on the same horizontal plane between adjacent two cylinder pistons motion is 90 degree, and the phase difference between two cylinder pistons motions up and down of bent axle the same side is 180 degree, respectively is provided with one on eight cylinders and gives vent to anger and be in charge of.Present embodiment is the overlay structure of embodiment's 4 parallel forms, and all the other are identical with embodiment 4.
Except that the foregoing description; In claims of the present invention and specification scope of disclosure; Technical characteristics of the present invention or technical data can be chosen or make up again; Also can adopt different series parallel connection Placements between the described cylinder, thereby constitute new embodiment, the new embodiment that these the present invention do not describe in detail also belongs to protection scope of the present invention.
Closed single multi-cylinder refrigeration compressor that drives is when work; The driven by motor bent axle rotates; Bent axle rotates through three hole connecting rods drives and is arranged on radially upper piston to-and-fro motion in the piston hole of cylinder of bent axle; Owing to around the bent axle of the present invention a plurality of cylinders are set, and cylinder is arranged in pairs in the relative both sides of bent axle, with the central axis of the central axis of a pair of cylinder and bent axle on same vertical plane; Therefore bent axle rotates and can drive a plurality of cylinders a week and do work, and has improved the working efficiency of refrigeration compressor.When bent axle rotated, the crank throw on the bent axle rotated in the chute of connecting rod and slidably reciprocates, thereby drivening rod is done linear reciprocating motion, and the piston at connecting rod two ends is followed connecting rod and in the piston hole of cylinder, done linear reciprocating motion, thereby realized the function of refrigeration compressor.The glide direction of crank throw of the present invention in chute confirm, so piston motion links up, and can guarantee the stable of refrigeration compressor working state like this.In addition, only there is relative movement in connecting rod of the present invention with bent axle, and there is not rotation relation in the wrist pin 10 on the connecting rod with piston; Therefore; The wear problem of insoluble wrist pin and piston joint does not exist in the present invention in the existing technology, so prolongs greatly the working life of wrist pin, and the impact shock that the symmetrically arranged structure of a plurality of cylinder can make piston motion cause can be cancelled out each other; Therefore; The present invention has stable working, characteristics that noise is little, and the refrigerant compression machine vibration that has solved existing technology is big, the problem that noise pollution is serious.In addition; Closed single its output terminal upper reaches of multi-cylinder refrigeration compressor that drive of the present invention are equipped with output gas force equalization mechanism; The pressurized gas that each cylinder produced is discharged through output gas force equalization mechanism in proper order; The gas that can reduce a plurality of cylinders discharges like this reduces vibration and noise that impact causes because arrive the impact of giving vent to anger house steward and causing synchronously, has further reduced closed single noise that drives the multi-cylinder refrigeration compressor.
Claims (10)
1. a closed list drives the multi-cylinder refrigeration compressor; Comprise closed shell, motor and control gear; Described motor is arranged in the housing and with bent axle and connects, and it is characterized in that: described bent axle vertically is provided with, and the footpath of bent axle upwards is provided with the even number cylinder that is driven through connecting rod by this bent axle; Cylinder is arranged on the relative both sides of this bent axle (2) in couples; On same vertical plane, bent axle links to each other with piston (4) with a pair of cylinder through one three hole connecting rod (3) with the central axis of the central axis of a pair of cylinder and bent axle, and the central authorities of three hole connecting rods are provided with the horizontal concrete chute (5) vertical with three hole length of connecting rod directions; Two piston pin holes (8) on the three hole connecting rods are symmetricly set on the both sides of chute width direction; The rotating diameter of crank throw on the length of chute and the bent axle (6) is suitable, and the width of chute and the diameter of crank throw are suitable, and crank throw is connected in the described chute slidably; When bent axle rotated, three hole connecting rods central axis in the longitudinal direction was on the central axis of its two ends piston.
2. according to the said closed single multi-cylinder refrigeration compressor that drives of claim 1; It is characterized in that: described cylinder is two; The piston hole of cylinder (1) is symmetricly set on the both sides of bent axle; Described bent axle is provided with a crank throw, and the phase difference between the motion of two cylinder pistons is 180 degree, respectively is provided with one on two cylinders and gives vent to anger and be in charge of.
3. according to the said closed single multi-cylinder refrigeration compressor that drives of claim 1; It is characterized in that: described cylinder is four; The central axis of four cylinders and the central axis of bent axle are on same vertical plane; The piston hole of cylinder divides the two-layer both sides that are symmetricly set on bent axle, and the center line both sides of said bent axle are provided with two crank throws of dislocation up and down, and two crank throws link to each other with the piston of bent axle both sides through the two three hole connecting rods of arranging up and down; Phase difference between the motion of two cylinder pistons up and down of bent axle the same side is 180 degree; Respectively be provided with one on two cylinders on upper strata and give vent to anger and be in charge of, two cylinders up and down that are positioned at bent axle the same side are cascaded structure, and the air outlet of lower floor's cylinder links to each other with the suction port of upper strata cylinder.
4. according to the said closed single multi-cylinder refrigeration compressor that drives of claim 1; It is characterized in that: described cylinder is four; The central axis of four cylinders and the central axis of bent axle are on same vertical plane; The piston hole of cylinder divides the two-layer both sides that are symmetricly set on bent axle, and the center line both sides of said bent axle are provided with two crank throws of dislocation up and down, and two crank throws link to each other with the piston of bent axle both sides through the two three hole connecting rods of arranging up and down; Phase difference between the motion of two cylinder pistons up and down of bent axle the same side is 180 degree, respectively is provided with one on four cylinders and gives vent to anger and be in charge of.
5. according to the said closed single multi-cylinder refrigeration compressor that drives of claim 1; It is characterized in that: described cylinder is four; The piston hole of four cylinders is evenly distributed on the same horizontal plane, and described bent axle is provided with a crank throw, and bent axle is cross-shaped layout through two and the three hole connecting rods of length direction center line on same horizontal plane link to each other with the piston of four cylinders; Phase difference between adjacent two cylinder pistons motion is 90 degree, respectively is provided with one on four cylinders and gives vent to anger and be in charge of.
6. according to the said closed single multi-cylinder refrigeration compressor that drives of claim 1; It is characterized in that: described cylinder is eight; Divide the two superimposed setting; The piston hole of every layer of four cylinder is evenly distributed on the same horizontal plane; The center line both sides of said bent axle are provided with up and down two crank throws of dislocation, and two crank throws are cross-shaped layout and link to each other with piston with the four three hole connecting rods of center line on same horizontal plane of layer length of connecting rod direction through two-layer up and down, and the phase difference between adjacent two cylinder pistons move on the same horizontal plane is 90 degree; Phase difference between the motion of two cylinder pistons up and down of bent axle the same side is 180 degree; Respectively be provided with one on four cylinders on upper strata and give vent to anger and be in charge of, two cylinders up and down that are positioned at bent axle the same side are cascaded structure, and the air outlet of lower floor's cylinder links to each other with the suction port of upper strata cylinder.
7. according to the said closed single multi-cylinder refrigeration compressor that drives of claim 1; It is characterized in that: described cylinder is eight; Divide the two superimposed setting; The piston hole of every layer of four cylinder is evenly distributed on the same horizontal plane; The center line both sides of said bent axle are provided with up and down two crank throws of dislocation, and two crank throws are cross-shaped layout and link to each other with piston with the four three hole connecting rods of center line on same horizontal plane of layer length of connecting rod direction through two-layer up and down, and the phase difference between adjacent two cylinder pistons move on the same horizontal plane is 90 degree; Phase difference between the motion of two cylinder pistons up and down of bent axle the same side is 180 degree, respectively is provided with one on eight cylinders and gives vent to anger and be in charge of.
8. according to claim 2 or 3 or 4 or 5 or 6 or 7 said closed single multi-cylinder refrigeration compressors that drive; It is characterized in that: the output terminal upper reaches of refrigeration compressor are provided with output gas force equalization mechanism; Described output gas force equalization mechanism comprises that described giving vent to anger be in charge of and be in charge of the house steward that gives vent to anger who is connected with giving vent to anger; The said pipe capacity be in charge of of giving vent to anger is identical, and the pressurized gas that cylinder produced is in charge of the back order and is discharged through the house steward that gives vent to anger through described giving vent to anger.
9. according to claim 2 or 3 or 4 said closed single multi-cylinder refrigeration compressors that drive; It is characterized in that: three hole connecting rods are the centrosymmetric structure of homogeneity one; Length direction in the three hole connecting rods is provided with oil duct (7); One end of oil duct is positioned at the piston pin hole of three hole interlinking lever ends, and the other end of oil duct is positioned on the sidewall of chute, and described three hole connecting rods are to wait thick structure.
10. according to claim or 5 or 6 or 7 said closed single multi-cylinder refrigeration compressors that drive; It is characterized in that: three hole connecting rods are the thick structure that waits of homogeneity one; The centre of three hole connecting rods is provided with bending groove (9); The bottom land of bending groove is lower than the horizontal central plane of three hole connecting rods; The width of bending groove bottom land on three hole length of connecting rod directions greater than the Extreme breadth at three hole connecting rods middle part and chute effective length with, two its bending grooves of three hole connecting rods that are cross-shaped layout are oppositely arranged, the interior length direction of three hole connecting rods of bending groove both sides is provided with oil duct; One end of oil duct is positioned at the piston pin hole of three hole interlinking lever ends, and the other end of oil duct is positioned on the sidewall of bending groove near bottom land.
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| CN201210208036.XA CN102777349B (en) | 2012-06-20 | 2012-06-20 | Sealing type single-drive multi-cylinder refrigerating compressor |
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| CN201210208036.XA CN102777349B (en) | 2012-06-20 | 2012-06-20 | Sealing type single-drive multi-cylinder refrigerating compressor |
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| CN102777349B CN102777349B (en) | 2015-02-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979695A (en) * | 2012-10-29 | 2013-03-20 | 杭州钱江压缩机有限公司 | Closed type refrigeration compressor |
| CN104481837A (en) * | 2014-11-27 | 2015-04-01 | 王彦彬 | Compressor with coplanar symmetric pistons connected with each other by concave plates with guide grooves |
| CN108412725A (en) * | 2018-04-08 | 2018-08-17 | 黄石东贝电器股份有限公司 | A kind of asynchronous double-cylinder refrigeration compressor |
| CN108980007A (en) * | 2018-09-05 | 2018-12-11 | 宁德职业技术学院 | A kind of novel duplex air pump |
| CN109589846A (en) * | 2018-12-26 | 2019-04-09 | 佛山科学技术学院 | A kind of single multi-functional shaker of driving |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178140A (en) * | 1976-03-09 | 1979-12-11 | Danfoss A/S | Compressor with reciprocating piston particularly for small refrigerators |
| CN1637280A (en) * | 2003-12-26 | 2005-07-13 | 株式会社日立制作所 | Pancake compressor |
| CN1766318A (en) * | 1999-09-14 | 2006-05-03 | 三洋电机株式会社 | Compression apparatus |
| CN1769674A (en) * | 2004-11-05 | 2006-05-10 | 乐金电子(天津)电器有限公司 | Multi-cylinder hermetic compressor |
| CN1892033A (en) * | 2005-07-08 | 2007-01-10 | 乐金电子(天津)电器有限公司 | Closed compressor connecting rod |
| JP2008008269A (en) * | 2006-06-30 | 2008-01-17 | Hitachi Ltd | Reciprocating compressor |
| WO2010074665A1 (en) * | 2008-09-12 | 2010-07-01 | Gamble Christopher L | Reciprocating device with dual chambered cylinders |
-
2012
- 2012-06-20 CN CN201210208036.XA patent/CN102777349B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178140A (en) * | 1976-03-09 | 1979-12-11 | Danfoss A/S | Compressor with reciprocating piston particularly for small refrigerators |
| CN1766318A (en) * | 1999-09-14 | 2006-05-03 | 三洋电机株式会社 | Compression apparatus |
| CN1637280A (en) * | 2003-12-26 | 2005-07-13 | 株式会社日立制作所 | Pancake compressor |
| CN1769674A (en) * | 2004-11-05 | 2006-05-10 | 乐金电子(天津)电器有限公司 | Multi-cylinder hermetic compressor |
| CN1892033A (en) * | 2005-07-08 | 2007-01-10 | 乐金电子(天津)电器有限公司 | Closed compressor connecting rod |
| JP2008008269A (en) * | 2006-06-30 | 2008-01-17 | Hitachi Ltd | Reciprocating compressor |
| WO2010074665A1 (en) * | 2008-09-12 | 2010-07-01 | Gamble Christopher L | Reciprocating device with dual chambered cylinders |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979695A (en) * | 2012-10-29 | 2013-03-20 | 杭州钱江压缩机有限公司 | Closed type refrigeration compressor |
| CN104481837A (en) * | 2014-11-27 | 2015-04-01 | 王彦彬 | Compressor with coplanar symmetric pistons connected with each other by concave plates with guide grooves |
| CN104481837B (en) * | 2014-11-27 | 2018-08-07 | 王彦彬 | Coplanar symmetrical piston is by the compressor that is connected with guide groove notch board |
| CN108412725A (en) * | 2018-04-08 | 2018-08-17 | 黄石东贝电器股份有限公司 | A kind of asynchronous double-cylinder refrigeration compressor |
| CN108412725B (en) * | 2018-04-08 | 2024-02-06 | 黄石东贝压缩机有限公司 | Asynchronous double-cylinder refrigeration compressor |
| CN108980007A (en) * | 2018-09-05 | 2018-12-11 | 宁德职业技术学院 | A kind of novel duplex air pump |
| CN109589846A (en) * | 2018-12-26 | 2019-04-09 | 佛山科学技术学院 | A kind of single multi-functional shaker of driving |
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|---|---|
| CN102777349B (en) | 2015-02-25 |
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Effective date of registration: 20170712 Address after: Hangzhou City, Zhejiang province 311122 industrial city of Yuhang Xianlin holy Road No. 1 Patentee after: Hangzhou Qianjiang Compressor Group Co. Ltd. Address before: 311121, No. 3, Yi Yi Road, Yuhang Town, Yuhang District, Zhejiang, Hangzhou Patentee before: Hangzhou Haisheng Refrigeration Equipment Co.,Ltd. |
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Address after: No. 1, Yuhang street, Yuhang street, Yuhang District, Hangzhou, Zhejiang Patentee after: Hangzhou Qianjiang Refrigeration Compressor Group Co., Ltd. Address before: Hangzhou City, Zhejiang province 311122 industrial city of Yuhang Xianlin holy Road No. 1 Patentee before: Hangzhou Qianjiang Compressor Group Co. Ltd. |
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