CN111911386A - Crank-connecting rod mechanism for refrigeration compressor and working method thereof - Google Patents
Crank-connecting rod mechanism for refrigeration compressor and working method thereof Download PDFInfo
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- CN111911386A CN111911386A CN202010807167.4A CN202010807167A CN111911386A CN 111911386 A CN111911386 A CN 111911386A CN 202010807167 A CN202010807167 A CN 202010807167A CN 111911386 A CN111911386 A CN 111911386A
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- heat conduction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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Abstract
The invention discloses a crank connecting rod mechanism for a refrigeration compressor and a working method thereof, wherein through the matched use of a first heat conduction seat, a second heat conduction seat and a third heat conduction seat, heat generated by friction between a first piston, a second piston and an inner cavity can be conducted, the influence of the heat on the work of the first piston and the second piston is eliminated, and the working efficiency of the refrigeration compressor can be effectively improved; the first heat conduction outer pipe, the second heat conduction outer pipe, the first heat conduction inner pipe, the second heat conduction inner pipe, the connecting seat and the radiating pipe are matched for use, so that heat generated by rotation of the first connecting rod journal and the second connecting rod journal on the crankshaft can be conducted, and the heat conduction efficiency of the crank-connecting rod mechanism can be improved; the invention can solve the problems that the working efficiency of the refrigeration compressor is poor due to heat generated by friction of the crank connecting rod mechanism and the heat conduction efficiency of the crank connecting rod mechanism is poor.
Description
Technical Field
The invention relates to the technical field of refrigeration compressors, in particular to a crank connecting rod mechanism for a refrigeration compressor and a working method thereof.
Background
The refrigeration compressor is the core and heart of the refrigeration system, and the capacity and the characteristics of the refrigeration compressor determine the capacity and the characteristics of the refrigeration system; in a sense, the design and matching of the refrigeration system is to embody the capacity of the refrigeration compressor. Therefore, the refrigeration industry of all countries in the world has no great energy to be put into the research of the refrigeration compressor, and new research directions and research results are continuously generated. The technology and performance levels of refrigeration compressors are changing day by day. The refrigeration compressors are of various types, and can be divided into a fixed displacement refrigeration compressor and a variable displacement refrigeration compressor according to different working principles; the actual efficiency of a refrigerant compressor when operating is far below the theoretical efficiency due to various losses, such as friction, leakage, unwanted heat transfer, motor losses, flow resistance, noise vibration, and the like. Therefore, in theory, any measure that reduces any one of the losses can increase the efficiency of the refrigeration compressor.
Patent publication No. CN102777349A discloses a closed single-drive multi-cylinder refrigeration compressor, including closed casing, motor and controlling means, the motor set up in the casing and with the bent axle hookup, the bent axle set up perpendicularly, the bent axle upwards be equipped with by this bent axle through the even number cylinder of connecting rod drive, the cylinder sets up in the relative both sides of this bent axle in pairs, the bent axle links to each other with the piston of same pair of cylinder through a three hole connecting rods, the central authorities of three hole connecting rods are equipped with the horizontal spout perpendicular with three hole connecting rods length direction, the bent axle slidable ground is connected in the spout. The refrigerating compressor effectively solves the problems of low working efficiency, large vibration and serious noise pollution of the refrigerating compressor in the prior art, and also solves the problems of large abrasion of the piston pin and short service life of the refrigerating compressor in the prior art. The existing defects include: the problem that the heat generated by the friction of the crank connecting rod mechanism causes the poor working efficiency of the refrigeration compressor and the problem that the heat conduction efficiency of the crank connecting rod mechanism is poor can not be solved.
Disclosure of Invention
The invention aims to provide a crank connecting rod mechanism for a refrigeration compressor and a working method thereof;
the problem solved by the disclosed aspect of the invention is: the problem that the working efficiency of the refrigeration compressor is poor due to the fact that heat generated by friction of a crank connecting rod mechanism cannot be processed is solved; the first heat conduction seat, the second heat conduction seat and the third heat conduction seat are matched for use, so that heat generated by friction between the first piston and the inner cavity and the second piston and the inner cavity can be conducted, the influence of the heat on the work of the first piston and the second piston is eliminated, and the working efficiency of the refrigeration compressor can be effectively improved; when the first piston and the second piston move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity through the first air guide pipe and the second air guide pipe, when the first piston and the second piston move upwards, the air inlet valve is closed, the exhaust valve is opened, the refrigerant is compressed and heated and then is discharged out of the inner cavity through the exhaust pipe, heat generated by friction with the inner cavity in the up-and-down moving process of the first piston and the second piston is conducted to the first heat conducting seat, the second heat conducting seat and the third heat conducting seat, the first heat conducting seat and the third heat conducting seat are conducted to the graphite radiating fin through silica gel and a heat conducting plate, the heat is discharged by the graphite radiating fin, the heat is conducted to the cylinder cover through the second heat conducting seat, the graphite radiating fin is isolated and protected through the first isolating net and the first isolating net, the safety of the refrigeration compressor can be improved, the phenomenon that the graphite radiating fin is scalded is avoided, and the problem And (4) poor performance.
The problem solved by the other aspect of the invention is that: the problem that the heat conduction efficiency of the crank connecting rod mechanism is poor is solved; the first heat conduction outer pipe, the second heat conduction outer pipe, the first heat conduction inner pipe, the second heat conduction inner pipe, the connecting seat and the radiating pipe are matched for use, so that heat generated by rotation of the first connecting rod journal and the second connecting rod journal on the crankshaft can be conducted, and the heat conduction efficiency of the crank-connecting rod mechanism can be improved; conduct to first heat conduction inner tube and second heat conduction inner tube through first heat conduction outer tube and second heat conduction outer tube to conduct to the cooling tube and conduct to the compressor this external through the connecting seat, utilize first isolation groove and second isolation groove to keep apart the heat, can effectively improve the efficiency of heat conduction, solved the not good problem of efficiency of crank link mechanism heat conduction among the current scheme.
The purpose of the invention can be realized by the following technical scheme:
a crank-link mechanism for a refrigeration compressor comprises a refrigeration compressor body and a crank-link mechanism body, wherein the crank-link mechanism body is installed inside the refrigeration compressor body, an inner cavity is formed inside the refrigeration compressor body, the crank-link mechanism body comprises a crankshaft, a first shaft arm, a second shaft arm, a first link journal and a second link journal, the crankshaft penetrates through the inner cavity, the first shaft arm and the second shaft arm are installed on the outer surface of the crankshaft, the first shaft arm is located on one side of the second shaft arm, the position, close to the middle, of the outer surface of the first shaft arm is connected with the first link journal, the position, close to the middle, of the outer surface of the second shaft arm is connected with the second link journal, the upper end of the first link journal is connected with a first connecting rod and a first piston, and the first connecting rod is located between the first link journal and the first piston, the upper end of the second connecting rod journal is connected with a second connecting rod and a second piston, and the second connecting rod is positioned between the second connecting rod journal and the second piston;
the cylinder cover penetrates through a position, close to the upper side, in the refrigeration compressor body, a first heat conduction seat and a third heat conduction seat are installed at positions, close to two sides, in the refrigeration compressor body, a first isolation net and a second isolation net are installed at positions, close to the upper side, of two sides of the refrigeration compressor body, a first heat conduction outer pipe and a second heat conduction outer pipe are installed on the inner surface of the crankshaft, and the first heat conduction outer pipe is located on one side of the second heat conduction outer pipe.
Furthermore, a first air duct, an exhaust pipe and a second air duct are arranged at a position close to the upper part in the refrigeration compressor body, the exhaust pipe is positioned between the first air duct and the second air duct, the first air duct is positioned at one side of the second air duct, one ends of the first air duct, the exhaust pipe and the second air duct all penetrate through the cylinder cover, a driving wheel is connected at a position close to the lower part at one side of the refrigeration compressor body, a third connecting shaft ring is arranged at one side of the driving wheel close to the refrigeration compressor body, one end of a crankshaft is fixedly connected with the third connecting shaft ring, the driving wheel is rotatably connected with the refrigeration compressor body through the third connecting shaft ring and the crankshaft, a second heat conducting seat is arranged at a position close to the middle at the lower end of the cylinder cover, and an air inlet valve is arranged at one end of the first air duct and one, and an exhaust valve is arranged at one end of the exhaust pipe close to the cylinder cover.
Further, a first collar ring and a second collar ring are mounted in the refrigeration compressor body at positions close to the lower portion, the first collar ring is located on one side of the second collar ring, and the crankshaft penetrates through the first collar ring and the second collar ring.
Further, silica gel, heat-conducting plate and graphite fin are all installed to the inside of first heat conduction seat and third heat conduction seat, the heat-conducting plate is located the position between silica gel and the graphite fin, silica gel is located one side of graphite fin.
Further, the internally mounted of first heat conduction outer tube has first heat conduction inner tube, the internally mounted of second heat conduction outer tube has second heat conduction inner tube, the inside of first heat conduction inner tube and second heat conduction inner tube all is connected with the cooling tube.
Further, be connected with a plurality of connecting seat between first heat conduction outer tube and the first heat conduction inner tube, the inside position that is close to both sides of connecting seat is provided with first isolation slot and second isolation slot, the inside position that is close to the centre of connecting seat installs the heat conduction post, first cassette and second cassette are installed to the position that the upper end of connecting seat is close to both sides, third cassette and fourth cassette are installed to the position that the lower extreme of connecting seat is close to both sides.
Furthermore, first card post and second card post are all installed to the upper end of first cassette and second cassette, first card post is located one side of second card post, first flexible post is all installed to the both sides of first card post, the flexible post of second is all installed to the both sides of second card post.
Further, the working method of the crank connecting rod mechanism for the refrigeration compressor comprises the following steps:
the method comprises the following steps: the crankshaft is driven to rotate by the driving wheel, the crankshaft drives the first connecting rod shaft neck and the second connecting rod shaft neck to rotate, and the first piston and the second piston are respectively driven to move up and down by the first connecting rod and the second connecting rod;
step two: when the first piston and the second piston move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity through the first air duct and the second air duct, when the first piston and the second piston move upwards, the air inlet valve is closed, the exhaust valve is opened, and the refrigerant is compressed, heated and then discharged out of the inner cavity through the exhaust pipe;
step three: the heat generated by friction with the inner cavity in the up-and-down moving process of the first piston and the second piston is transferred to the first heat conduction seat, the second heat conduction seat and the third heat conduction seat, the first heat conduction seat and the third heat conduction seat are transferred to the graphite radiating fin through silica gel and a heat conduction plate, and the graphite radiating fin is used for discharging the heat;
step four: part of heat is conducted to the cylinder cover through the second heat conducting seat, and the graphite radiating fins are isolated and protected through the first isolating net and the second isolating net;
step five: the heat generated by the rotation of the first connecting rod journal and the second connecting rod journal on the crankshaft is conducted to the first heat conduction inner tube and the second heat conduction inner tube through the first heat conduction outer tube and the second heat conduction outer tube, is conducted to the radiating tube through the connecting seat, and is finally conducted to the outside of the refrigeration compressor body.
One beneficial effect brought by one aspect of the invention is as follows:
the first heat conduction seat, the second heat conduction seat and the third heat conduction seat are matched for use, so that heat generated by friction between the first piston and the inner cavity and the second piston and the inner cavity can be conducted, the influence of the heat on the work of the first piston and the second piston is eliminated, and the working efficiency of the refrigeration compressor can be effectively improved; when the first piston and the second piston move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity through the first air guide pipe and the second air guide pipe, when the first piston and the second piston move upwards, the air inlet valve is closed, the exhaust valve is opened, the refrigerant is compressed and heated and then is discharged out of the inner cavity through the exhaust pipe, heat generated by friction with the inner cavity in the up-and-down moving process of the first piston and the second piston is conducted to the first heat conducting seat, the second heat conducting seat and the third heat conducting seat, the first heat conducting seat and the third heat conducting seat are conducted to the graphite radiating fin through silica gel and a heat conducting plate, the heat is discharged by the graphite radiating fin, the heat is conducted to the cylinder cover through the second heat conducting seat, the graphite radiating fin is isolated and protected through the first isolating net and the first isolating net, the safety of the refrigeration compressor can be improved, the phenomenon that the graphite radiating fin is scalded is avoided, and the problem And (4) poor performance.
The invention also discloses another aspect brings the following beneficial effects:
the first heat conduction outer pipe, the second heat conduction outer pipe, the first heat conduction inner pipe, the second heat conduction inner pipe, the connecting seat and the radiating pipe are matched for use, so that heat generated by rotation of the first connecting rod journal and the second connecting rod journal on the crankshaft can be conducted, and the heat conduction efficiency of the crank-connecting rod mechanism can be improved; conduct to first heat conduction inner tube and second heat conduction inner tube through first heat conduction outer tube and second heat conduction outer tube to conduct to the cooling tube and conduct to the compressor this external through the connecting seat, utilize first isolation groove and second isolation groove to keep apart the heat, can effectively improve the efficiency of heat conduction, solved the not good problem of efficiency of crank link mechanism heat conduction among the current scheme.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a perspective view of a crank link mechanism for a refrigeration compressor according to the present invention;
FIG. 2 is a cross-sectional view of a first thermal socket according to the present invention;
FIG. 3 is an internal structural view of a crankshaft in the present invention;
FIG. 4 is a side cross-sectional view of a crankshaft of the present invention;
FIG. 5 is a sectional view showing the connection of the heat conductive columns according to the present invention;
fig. 6 is a connection structure diagram of the first card holder according to the present invention.
In the figure: 1. a refrigeration compressor body; 2. an inner cavity; 3. a crankshaft; 301. a first heat-conducting outer tube; 302. a second heat-conducting outer tube; 303. a first heat-conducting inner tube; 304. a second heat-conducting inner tube; 305. a connecting seat; 306. a radiating pipe; 4. a first shaft arm; 5. a second shaft arm; 6. a first connecting rod journal; 7. a second connecting rod journal; 8. a first connecting rod; 9. a second connecting rod; 10. a first piston; 11. a second piston; 12. a cylinder cover; 13. a first heat conducting base; 1301. silica gel; 1302. a heat conducting plate; 1303. a graphite heat sink; 14. a second heat conducting seat; 15. a third heat conducting seat; 16. a first air duct; 17. an exhaust pipe; 18. a second air duct; 19. a first isolation mesh; 20. a second isolation mesh; 21. a first docking collar; 22. a second docking collar; 23. a third docking collar; 24. a driving wheel; 25. a first card holder; 2501. a first clamp post; 2502. a second clamping column; 2503. a first telescopic column; 2504. a second telescopic column; 26. a second card holder; 27. a first isolation trench; 28. a second isolation trench; 29. a heat-conducting column; 30. a third card holder; 31. and a fourth card holder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, a crank link mechanism for a refrigeration compressor comprises a refrigeration compressor body 1 and a crank link mechanism body, wherein the crank link mechanism body is installed inside the refrigeration compressor body 1, an inner cavity 2 is formed inside the refrigeration compressor body 1, the crank link mechanism body comprises a crankshaft 3, a first shaft arm 4, a second shaft arm 5, a first link shaft journal 6 and a second link shaft journal 7, the crankshaft 3 penetrates through the inner cavity 2, the first shaft arm 4 and the second shaft arm 5 are both installed on the outer surface of the crankshaft 3, the first shaft arm 4 is located on one side of the second shaft arm 5, the first link shaft journal 6 is connected to the outer surface of the first shaft arm 4 near the middle, the second link shaft journal 7 is connected to the outer surface of the second shaft arm 5 near the middle, a first connecting rod 8 and a first piston 10 are connected to the upper end of the first link shaft journal 6, the first connecting rod 8 is positioned between the first connecting rod journal 6 and the first piston 10, the upper end of the second connecting rod journal 7 is connected with a second connecting rod 9 and a second piston 11, and the second connecting rod 9 is positioned between the second connecting rod journal 7 and the second piston 11;
the utility model discloses a compressor, including crankshaft 3, cylinder head 12, first heat conduction seat 13 and second heat conduction seat 302, first heat conduction outer tube 301 and second heat conduction outer tube 302, first heat conduction outer tube 301 is located one side of second heat conduction outer tube 302, and first separation net 19 and second separation net 20 keep apart the protection with graphite fin 1303, prevent to be scalded by graphite fin 1303, the position that the inside of compressor body 1 is close to the top is run through and is had cylinder head 12, first heat conduction seat 13 and third heat conduction seat 15 are installed to the position that the inside of compressor body 1 is close to both sides, first separation net 19 and second separation net 20 are installed to the position that the both sides of compressor body 1 are close to the top, the internal surface of bent axle.
A first air duct 16, an exhaust duct 17 and a second air duct 18 are arranged at a position close to the upper part in the refrigeration compressor body 1, the exhaust duct 17 is positioned between the first air duct 16 and the second air duct 18, the first air duct 16 is positioned at one side of the second air duct 18, one ends of the first air duct 16, the exhaust duct 17 and the second air duct 18 all penetrate into the cylinder cover 12, a driving wheel 24 is connected at a position close to the lower part at one side of the refrigeration compressor body 1, a third connecting shaft collar 23 is arranged at one side of the driving wheel 24 close to the refrigeration compressor body 1, one end of the crankshaft 3 is fixedly connected with the third connecting shaft collar 23, the driving wheel 24 is rotatably connected with the refrigeration compressor body 1 through the third connecting shaft collar 23 and the crankshaft 3, and a second heat conduction seat 14 is arranged at a position close to the middle part at the lower end of the cylinder cover, and the first air duct 16 and the second air duct 18 are provided with air inlet valves at one ends close to the cylinder cover 12, and the exhaust pipe 17 is provided with an exhaust valve at one end close to the cylinder cover 12.
A first collar 21 and a second collar 22 are installed in the refrigeration compressor body 1 at positions close to the lower portion inside the refrigeration compressor body, the first collar 21 is located on one side of the second collar 22, and the crankshaft 3 penetrates through the inside of the first collar 21 and the second collar 22.
The first heat conduction outer tube 301 internally mounted has a first heat conduction inner tube 303, the second heat conduction outer tube 302 internally mounted has a second heat conduction inner tube 304, the inside of first heat conduction inner tube 303 and second heat conduction inner tube 304 all is connected with the cooling tube 306.
Be connected with a plurality of connecting seat 305 between first heat conduction outer tube 301 and the first heat conduction inner tube 303, the inside position that is close to both sides of connecting seat 305 is provided with first isolation slot 27 and second isolation slot 28, the inside position that is close to the centre of connecting seat 305 installs heat conduction post 29, first cassette 25 and second cassette 26 are installed to the position that the upper end of connecting seat 305 is close to both sides, third cassette 30 and fourth cassette 31 are installed to the position that the lower extreme of connecting seat 305 is close to both sides, and first isolation slot 27 and second isolation slot 28 keep apart the heat, can effectively improve the efficiency of heat conduction.
First calorie of post 2501 and second card post 2502 are all installed to the upper end of first cassette 25 and second cassette 26, first calorie of post 2501 is located one side of second card post 2502, first flexible post 2503 is all installed to the both sides of first calorie of post 2501, the flexible post 2504 of second is all installed to the both sides of second card post 2502.
The working method of the crank connecting rod mechanism for the refrigeration compressor comprises the following steps:
the method comprises the following steps: the crankshaft 3 is driven to rotate through the driving wheel 24, the crankshaft 3 drives the first connecting rod journal 6 and the second connecting rod journal 7 to rotate, and the first piston 10 and the second piston 11 are respectively driven to move up and down through the first connecting rod 8 and the second connecting rod 9;
step two: when the first piston 10 and the second piston 11 move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity 2 through the first air duct 16 and the second air duct 18, when the first piston 10 and the second piston 11 move upwards, the air inlet valve is closed, the exhaust valve is opened, the refrigerant is compressed and heated, and then is discharged out of the inner cavity 2 through the exhaust pipe 17;
step three: heat generated by friction with the inner cavity 2 in the up-and-down moving process of the first piston 10 and the second piston 11 is conducted to the first heat conduction seat 13, the second heat conduction seat 14 and the third heat conduction seat 15, the first heat conduction seat 13 and the third heat conduction seat 15 are conducted to the graphite radiating fin 1303 through the silica gel 1301 and the heat conduction plate 1302, and the heat is discharged by the graphite radiating fin 1303;
step four: part of heat is conducted to the cylinder cover 12 through the second heat conducting seat 14, and the graphite radiating fins 1303 are isolated and protected through the first isolating net 19 and the second isolating net 20;
step five: the heat generated by the rotation of the first connecting rod journal 6 and the second connecting rod journal 7 on the crankshaft 3 is conducted to the first heat conduction inner tube 303 and the second heat conduction inner tube 304 through the first heat conduction outer tube 301 and the second heat conduction outer tube 302, is isolated by the first isolation groove 27 and the second isolation groove 28, is conducted to the heat radiation tube 306 through the connecting seat 305, and is finally conducted to the outside of the refrigeration compressor body 1.
The working principle of the embodiment of the invention is as follows: the crank connecting rod mechanism body disclosed by the invention can be applied to a refrigeration compressor, and comprises a crankshaft 3, a first shaft arm 4, a second shaft arm 5, a first connecting rod journal 6 and a second connecting rod journal 7, wherein when the refrigeration compressor works, the work related to the crank connecting rod mechanism body comprises the following steps: when the first piston 10 and the second piston 11 move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity 2 through the first air duct 16 and the second air duct 18, when the first piston 10 and the second piston 11 move upwards, the air inlet valve is closed, the exhaust valve is opened, the refrigerant is compressed and heated, and then is discharged out of the inner cavity 2 through the exhaust pipe 17; the heat generated by friction with the inner cavity 2 during the up-and-down movement of the first piston 10 and the second piston 11 and the heat generated by rotation of the first connecting rod journal 6 and the second connecting rod journal 7 on the crankshaft 3 affect the working efficiency of the refrigeration compressor; the first heat conduction seat 13, the second heat conduction seat 14, the third heat conduction seat 15, the first heat conduction outer tube 301 and the second heat conduction outer tube 302 are used for conducting heat, the silica gel 1301 and the heat conduction plate 1302 play a role in heat conduction, and the graphite radiating fins 1303 play a role in heat dissipation;
compared with the prior art, in one aspect of the disclosure, through the matching use of the first heat conduction seat 13, the second heat conduction seat 14 and the third heat conduction seat 15, heat generated by friction between the first piston 10 and the second piston 11 and the inner cavity 2 can be conducted, the influence of the heat on the work of the first piston 10 and the second piston 11 is eliminated, and the work efficiency of the refrigeration compressor can be effectively improved; when the first piston 10 and the second piston 11 move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity 2 through the first air duct 16 and the second air duct 18, when the first piston 10 and the second piston 11 move upwards, the air inlet valve is closed, the exhaust valve is opened, the refrigerant is compressed and heated and then is discharged out of the inner cavity 2 through the exhaust pipe 17, heat generated by friction with the inner cavity 2 in the up-and-down movement process of the first piston 10 and the second piston 11 is conducted into the first heat conduction seat 13, the second heat conduction seat 14 and the third heat conduction seat 15, the first heat conduction seat 13 and the third heat conduction seat 15 are conducted to the graphite cooling fin 1303 through the silica gel 1301 and the heat conduction plate 1302, the graphite cooling fin 1303 is used for discharging the heat, the heat is conducted to the cylinder cover 12 through the second heat conduction seat 14, the graphite cooling fin 1303 is isolated and protected through the first isolation net 19 and the second isolation net 20, and the, avoid being scalded by graphite fin 1303, solved and to have handled the heat that crank link mechanism friction produced among the current scheme and lead to the not good problem of compressor's work efficiency.
In another aspect of the disclosure, by using the first heat-conducting outer tube 301, the second heat-conducting outer tube 302, the first heat-conducting inner tube 303, the second heat-conducting inner tube 304, the connecting seat 305 and the heat-radiating tube 306 in a matching manner, heat generated by the rotation of the first connecting rod journal 6 and the second connecting rod journal 7 on the crankshaft 3 can be conducted, and thus the heat-conducting efficiency of the crank-connecting rod mechanism can be improved; conduct to first heat conduction inner tube 303 and second heat conduction inner tube 304 through first heat conduction outer tube 301 and second heat conduction outer tube 302 to conduct to cooling tube 306 and conduct outside the refrigeration compressor body 1 through connecting seat 305, utilize first isolation groove 27 and second isolation groove 28 to keep apart the heat, can effectively improve the efficiency of heat conduction, solved the not good problem of efficiency of crank link mechanism heat conduction among the current scheme.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The crank-link mechanism for the refrigeration compressor is characterized by comprising a refrigeration compressor body (1) and a crank-link mechanism body, wherein the crank-link mechanism body is installed inside the refrigeration compressor body (1), an inner cavity (2) is formed inside the refrigeration compressor body (1), the crank-link mechanism body comprises a crankshaft (3), a first shaft arm (4), a second shaft arm (5), a first connecting rod journal (6) and a second connecting rod journal (7), the crankshaft (3) penetrates through the inner cavity (2), the first shaft arm (4) and the second shaft arm (5) are both installed on the outer surface of the crankshaft (3), the first shaft arm (4) is located on one side of the second shaft arm (5), the position, close to the middle, of the outer surface of the first shaft arm (4) is connected with the first connecting rod journal (6), the position, close to the middle, of the outer surface of the second shaft arm (5) is connected with the second connecting rod journal (7), the upper end of the first connecting rod journal (6) is connected with a first connecting rod (8) and a first piston (10), the first connecting rod (8) is positioned between the first connecting rod journal (6) and the first piston (10), the upper end of the second connecting rod journal (7) is connected with a second connecting rod (9) and a second piston (11), and the second connecting rod (9) is positioned between the second connecting rod journal (7) and the second piston (11);
the utility model discloses a compressor, including refrigeration compressor body (1), the inside position that is close to the top of refrigeration compressor body (1) runs through there is cylinder cap (12), first heat conduction seat (13) and third heat conduction seat (15) are installed to the inside position that is close to both sides of refrigeration compressor body (1), first separation net (19) and second separation net (20) are installed to the both sides position that is close to the top of refrigeration compressor body (1), the internal surface mounting of bent axle (3) has first heat conduction outer tube (301) and second heat conduction outer tube (302), first heat conduction outer tube (301) are located one side of second heat conduction outer tube (302).
2. The crank link mechanism for the refrigeration compressor is characterized in that a first air duct (16), an air exhaust duct (17) and a second air duct (18) are arranged in the refrigeration compressor body (1) at a position close to the upper part, the air exhaust duct (17) is arranged at a position between the first air duct (16) and the second air duct (18), the first air duct (16) is arranged at one side of the second air duct (18), one ends of the first air duct (16), the air exhaust duct (17) and the second air duct (18) penetrate through the cylinder cover (12), a driving wheel (24) is connected at a position close to the lower part of one side of the refrigeration compressor body (1), a third connecting collar (23) is arranged at one side of the driving wheel (24) close to the refrigeration compressor body (1), and one end of the crankshaft (3) is fixedly connected with the third connecting collar (23), the driving wheel (24) is rotatably connected with the refrigeration compressor body (1) through a third connecting shaft ring (23) and a crankshaft (3), a second heat conducting seat (14) is installed at a position, close to the middle, of the lower end of the cylinder cover (12), an air inlet valve is installed at one end, close to the cylinder cover (12), of each of the first air guide pipe (16) and the second air guide pipe (18), and an exhaust valve is installed at one end, close to the cylinder cover (12), of the exhaust pipe (17).
3. Crank-link mechanism for a refrigeration compressor according to claim 1, characterized in that a first and a second connection collar (21, 22) are mounted in the refrigeration compressor body (1) close to the lower position inside, said first connection collar (21) being located on one side of the second connection collar (22), said crankshaft (3) passing through the inside of the first and second connection collars (21, 22).
4. A crank link mechanism for a refrigeration compressor according to claim 1, wherein the first heat conduction seat (13) and the third heat conduction seat (15) are internally provided with silica gel (1301), a heat conduction plate (1302) and graphite fins (1303), the heat conduction plate (1302) is located between the silica gel (1301) and the graphite fins (1303), and the silica gel (1301) is located on one side of the graphite fins (1303).
5. A crank link mechanism for a refrigeration compressor according to claim 1, wherein a first heat conducting inner pipe (303) is installed inside the first heat conducting outer pipe (301), a second heat conducting inner pipe (304) is installed inside the second heat conducting outer pipe (302), and a heat dissipation pipe (306) is connected to the inside of each of the first heat conducting inner pipe (303) and the second heat conducting inner pipe (304).
6. The crank-link mechanism for the refrigeration compressor is characterized in that a plurality of connecting seats (305) are connected between the first heat-conducting outer pipe (301) and the first heat-conducting inner pipe (303), first isolating grooves (27) and second isolating grooves (28) are arranged in positions, close to two sides, of the inside of each connecting seat (305), heat-conducting columns (29) are installed in positions, close to the middle, of the inside of each connecting seat (305), first clamping seats (25) and second clamping seats (26) are installed in positions, close to two sides, of the upper end of each connecting seat (305), and third clamping seats (30) and fourth clamping seats (31) are installed in positions, close to two sides, of the lower end of each connecting seat (305).
7. The crank-link mechanism for a refrigeration compressor as claimed in claim 6, wherein the upper ends of the first and second clamping seats (25, 26) are respectively provided with a first clamping column (2501) and a second clamping column (2502), the first clamping column (2501) is positioned at one side of the second clamping column (2502), the two sides of the first clamping column (2501) are respectively provided with a first telescopic column (2503), and the two sides of the second clamping column (2502) are respectively provided with a second telescopic column (2504).
8. A crank-link mechanism for a refrigeration compressor according to any one of claims 1 to 7, characterized in that it comprises the following steps:
the method comprises the following steps: the crankshaft (3) is driven to rotate through the driving wheel (24), the crankshaft (3) drives the first connecting rod journal (6) and the second connecting rod journal (7) to rotate, and the first piston (10) and the second piston (11) are respectively driven to move up and down through the first connecting rod (8) and the second connecting rod (9);
step two: when the first piston (10) and the second piston (11) move downwards, the air inlet valve is opened, the exhaust valve is closed, the refrigerant is sucked into the inner cavity (2) through the first air duct (16) and the second air duct (18), when the first piston (10) and the second piston (11) move upwards, the air inlet valve is closed, the exhaust valve is opened, and the refrigerant is compressed, heated and discharged out of the inner cavity (2) through the exhaust pipe (17);
step three: heat generated by friction with the inner cavity (2) in the up-and-down moving process of the first piston (10) and the second piston (11) is conducted to the first heat conduction seat (13), the second heat conduction seat (14) and the third heat conduction seat (15), the first heat conduction seat (13) and the third heat conduction seat (15) are conducted to the graphite radiating fins (1303) through silica gel (1301) and a heat conduction plate (1302), and the heat is exhausted by the graphite radiating fins (1303);
step four: partial heat is conducted to the cylinder cover (12) through the second heat conducting seat (14), and the graphite radiating fins (1303) are isolated and protected through the first isolating net (19) and the second isolating net (20);
step five: the heat generated by the rotation of the first connecting rod journal (6) and the second connecting rod journal (7) on the crankshaft (3) is conducted to the first heat conduction inner tube (303) and the second heat conduction inner tube (304) through the first heat conduction outer tube (301) and the second heat conduction outer tube (302), is isolated by the first isolation groove (27) and the second isolation groove (28), is conducted to the heat dissipation tube (306) through the connecting seat (305), and is finally conducted to the outside of the refrigeration compressor body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010807167.4A CN111911386A (en) | 2020-08-12 | 2020-08-12 | Crank-connecting rod mechanism for refrigeration compressor and working method thereof |
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| CN202010807167.4A CN111911386A (en) | 2020-08-12 | 2020-08-12 | Crank-connecting rod mechanism for refrigeration compressor and working method thereof |
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Application publication date: 20201110 |