CN111287945A - Compressor and refrigeration equipment - Google Patents
Compressor and refrigeration equipment Download PDFInfo
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- CN111287945A CN111287945A CN201811501278.1A CN201811501278A CN111287945A CN 111287945 A CN111287945 A CN 111287945A CN 201811501278 A CN201811501278 A CN 201811501278A CN 111287945 A CN111287945 A CN 111287945A
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- valve plate
- compressor
- muffler
- suction
- seal
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- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 55
- 238000003466 welding Methods 0.000 claims description 17
- 229920000459 Nitrile rubber Polymers 0.000 claims description 9
- 229920001973 fluoroelastomer Polymers 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 18
- 238000005192 partition Methods 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 15
- 239000004033 plastic Substances 0.000 description 12
- 230000030279 gene silencing Effects 0.000 description 10
- 230000001603 reducing effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000010425 asbestos Substances 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 7
- 229910052895 riebeckite Inorganic materials 0.000 description 7
- 230000003584 silencer Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
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- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Images
Classifications
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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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- 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
-
- 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
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- 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
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- 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
- F04B39/14—Provisions for readily assembling or disassembling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressor (AREA)
Abstract
The invention discloses a compressor and refrigeration equipment. The compressor includes: a housing; the main frame is arranged in the shell and comprises an air cylinder and a frame, the air cylinder and the frame are respectively an independent processing forming part, the air cylinder is connected with the frame, and the air cylinder is provided with a compression cavity; a piston mounted within the compression chamber; one end of the connecting rod is connected with the piston; the crankshaft is rotatably arranged on the rack and is connected with the other end of the connecting rod; the valve plate is arranged on the cylinder and provided with an exhaust hole and an air suction hole, and the valve plate is provided with an air suction valve plate and an exhaust valve plate. According to the compressor provided by the invention, the quality risk of the compressor caused by the wrong gasket can be avoided.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to a compressor and refrigeration equipment.
Background
In refrigeration apparatuses such as refrigerators and freezers, reciprocating compressors are often used, and the reciprocating compressors generally employ a reciprocating link mechanism including a crankshaft, a link, a piston, and a main frame. Because the main frame is of an integrated structure, in the process of installing the compressor, because the main frame, the connecting rod, the crankshaft, the piston and the like have dimensional tolerance, in order to ensure that the cylinder jacking phenomenon does not occur, the relative positions between the main frame and the connecting rod, the crankshaft, the piston and the like generally need to be adjusted by utilizing a gasket. Because the gasket has different thickness types, when producing the line and depositing, mix easily, be unfavorable for field management, the gasket is easy with the mistake moreover, in case with the mistake will bring the quality risk, increased the quantity of part simultaneously, the cost is improved, the installation is inconvenient.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a compressor, which avoids the arrangement of a gasket and saves the cost.
The invention also provides refrigeration equipment comprising the compressor.
The compressor according to the embodiment of the present invention includes: a housing; the main frame is arranged in the shell and comprises an air cylinder and a frame, the air cylinder and the frame are respectively an independent processing forming part, the air cylinder is connected with the frame, and the air cylinder is provided with a compression cavity; a piston mounted within the compression chamber; one end of the connecting rod is connected with the piston; the crankshaft is rotatably arranged on the rack and is connected with the other end of the connecting rod; the valve plate is arranged on the cylinder and provided with an exhaust hole and an air suction hole, and the valve plate is provided with an air suction valve plate and an exhaust valve plate.
According to the compressor provided by the embodiment of the invention, as the cylinder and the rack are independently processed into the formed parts, the cylinder can be pre-installed on the rack in the installation process of the compressor, and the relative position relationship between the piston and the cylinder, between the crankshaft and the rack and between the crankshaft and the cylinder is further ensured by finely adjusting the cylinder. Like this, just need not to utilize the gasket to adjust relative position to avoided depositing the gasket at production line and conveniently adjusted, avoided obscuring of gasket, made things convenient for on-the-spot management, but also can avoid the quality risk of the compressor because of the gasket is used by mistake, reduced the quantity of part, the cost is reduced, simple to operate.
According to some embodiments of the invention, the frame is connected to the cylinder by fasteners.
According to some embodiments of the invention, a first seal is disposed between the valve plate and the cylinder.
According to some embodiments of the invention, the first seal is a fluoroelastomer or a hydrogenated nitrile rubber.
According to some embodiments of the invention, a first sealing groove is provided on a side surface of the cylinder facing the valve plate, the first sealing groove being adapted to receive the first seal.
According to some embodiments of the invention, at least one of the suction valve plate and the discharge valve plate is connected to the valve plate by pulse welding.
According to some embodiments of the invention, the valve plate is provided with a mounting groove for mounting the suction valve plate.
According to some embodiments of the invention, the silencer is arranged on the valve plate, and is provided with a suction silencing cavity and an exhaust silencing cavity, wherein a suction outlet of the suction silencing cavity is correspondingly connected with the suction hole, and an exhaust inlet of the exhaust silencing cavity is correspondingly connected with the exhaust hole.
According to some embodiments of the invention, a second sealing member is disposed between the muffler and the valve plate, the second sealing member includes an annular sealing ring and a sealing strip, the sealing strip is disposed in the sealing ring, two ends of the sealing strip are respectively connected to inner walls of the sealing ring, the sealing ring surrounds the suction outlet and the exhaust inlet to seal the muffler and the valve plate, and the sealing strip is disposed between the suction outlet and the exhaust inlet to separate the suction outlet and the exhaust inlet.
According to some embodiments of the invention, the second seal is a fluoroelastomer or a hydrogenated nitrile rubber.
According to some embodiments of the invention, a second seal groove is provided on an end surface of the muffler facing the valve plate, the second seal groove being adapted to receive the second seal.
According to some embodiments of the invention, the exhaust inlet is provided with a limit part for limiting a lift distance of the exhaust valve plate.
According to some embodiments of the invention, the stopper portion is integrally provided on the muffler.
The refrigeration equipment comprises the compressor.
According to the refrigeration equipment provided by the embodiment of the invention, by arranging the compressor, the cylinder and the rack are independently processed into the formed parts, so that the cylinder can be pre-installed on the rack in the installation process of the compressor, and the relative position relationship between the piston and the cylinder, between the crankshaft and the rack and between the crankshaft and the cylinder is further ensured by finely adjusting the cylinder. Like this, just need not to utilize the gasket to adjust relative position to avoided depositing the gasket at production line and conveniently adjusted, avoided obscuring of gasket, made things convenient for on-the-spot management, but also can avoid the quality risk of the compressor because of the gasket is used by mistake, reduced the quantity of part, the cost is reduced, simple to operate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic assembly view of a suction and exhaust muffler assembly according to some embodiments of the present invention;
FIG. 2 is an exploded schematic view of the suction muffler assembly according to FIG. 1;
FIG. 3 is a schematic illustration of a first muffler shell according to some embodiments of the present invention;
FIG. 4 is a schematic view of the first muffler shell according to another orientation shown in FIG. 3;
FIG. 5 is a schematic view in accordance with yet another orientation of the first muffler shell shown in FIG. 3;
FIG. 6 is a schematic illustration of a second muffler shell according to some embodiments of the present invention;
FIG. 7 is a schematic view of the second muffler shell according to another orientation shown in FIG. 6;
FIG. 8 is a schematic view in accordance with yet another orientation of the second muffler shell shown in FIG. 6;
FIG. 9 is a schematic view of an exhaust pipe according to some embodiments of the invention;
FIG. 10 is an enlarged view taken at A in FIG. 9;
FIG. 11 is a schematic view of a flexible seal according to some embodiments of the present invention;
FIG. 12 is a schematic view of a portion of a compressor according to some embodiments of the present invention;
FIG. 13 is an exploded schematic view of a partial structure of a compressor according to some embodiments of the present invention;
FIG. 14 is a schematic view of a cylinder according to some embodiments of the invention;
FIG. 15 is a schematic view of a rack according to some embodiments of the invention;
FIG. 16 is a schematic view of a valve plate according to some embodiments of the present invention;
FIG. 17 is a schematic view of another orientation of a valve plate according to some embodiments of the present invention;
FIG. 18 is a schematic view of a muffler according to some embodiments of the present invention;
FIG. 19 is a schematic view of a first seal according to some embodiments of the invention;
FIG. 20 is a schematic view of a second seal according to some embodiments of the invention;
FIG. 21 is a schematic view of a suction valve plate according to some embodiments of the present invention;
FIG. 22 is a schematic view of a vent panel according to some embodiments of the invention.
Reference numerals:
a compressor 1000;
the suction muffler assembly 100; a muffler 10; an air intake silencing chamber 101; a suction inlet 1011; a suction outlet 1012; a separator 1013; first plate 10131; a second plate 10132; a vent hole 10131; an exhaust silencing chamber 102; an exhaust inlet 1021; an exhaust outlet 1022; a first muffler shell 106; the first chamber 1061; a second chamber 1062; a second muffler shell 107; a third chamber 1071; an oil leak port 10711; a fourth chamber 1072; a second seal groove 108; an annular seal groove 1081; a connecting groove 1082; a stopper 109; an exhaust pipe 20; a groove 201; a flexible seal 30;
a main frame 200; a cylinder 2001; a first seal groove 20011; a compression chamber 20012; a frame 2002; crankshaft hole 20021
A crankshaft 300;
a valve plate 400; an exhaust vent 4001; an exhaust valve plate 4002; a suction hole 4003; an intake valve plate 4004; a mounting groove 4005;
a first seal 500; a second seal member 600; a seal ring 6001; a seal strip 6002.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A compressor 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 22. It should be noted at first that the compressor 1000 according to the embodiment of the present invention can be used in any refrigeration equipment, in particular, the compressor 1000 according to the present invention is particularly suitable for use in a refrigerator or an ice chest or the like, and in particular, the compressor 1000 can be a piston reciprocating compressor 1000.
As shown in fig. 12 to 13, a compressor 1000 according to an embodiment of the present invention may include a housing (not shown), a main frame 200, a piston (not shown), a connecting rod (not shown), a crankshaft 300, and a valve plate 400. In addition, the compressor 1000 further includes a motor.
The motor, the main frame 200, the piston, the connecting rod, the crankshaft 300, and the valve plate 400 are provided in the housing. Specifically, as shown in fig. 12-14, the main frame 200 includes a cylinder 2001 and a frame 2002, the cylinder 2001 has a compression cavity 20012, the piston is installed in the compression cavity 20012, one end of a connecting rod is connected with the piston, the crankshaft 300 is rotatably installed on the frame 2002 and connected with the other end of the connecting rod, for example, as shown in fig. 15, a crankshaft hole 20021 is provided on the frame 2002, the crankshaft 300 passes through the crankshaft hole 20021 and is connected with the other end of the connecting rod, the motor is used for driving the crankshaft 300 to rotate, the crankshaft 300 is driven by a rotor of the motor to rotate, and is converted into reciprocating motion of the piston through the action of the connecting rod, thereby achieving the purpose of compressing in the piston.
Optionally, compressor 1000 further includes a bearing disposed on frame 2002 and between crankshaft 300 and frame 2002. For example, the frame 2002 is provided with the above-mentioned crank hole 20021, the bearing is located in the crank hole 20021, and the crankshaft 300 is connected to the other end of the connecting rod through the shaft hole.
As shown in fig. 12-13, 16-17 and 21-22, the valve plate 400 is disposed on the cylinder 2001 and has an exhaust hole 4001 and an intake hole 4003, when the piston is located in the compression cavity 20012, the compression cavity 20012 can be divided into an intake cavity and an exhaust cavity, the exhaust hole 4001 is communicated with the exhaust cavity, the intake hole 4003 is communicated with the intake cavity, and the valve plate 400 is provided with an intake valve plate 4004 and an exhaust valve plate 4002, wherein the intake valve plate 4004 is movably disposed on a side surface of the valve plate 400 facing the cylinder 2001 to open and close the intake hole 4003, the exhaust valve plate 4002 is movably disposed on a side surface of the valve plate 400 facing away from the cylinder 2001 to open and close the exhaust hole 4001, and specifically, the intake valve plate 4004 and the exhaust valve plate 4002 are both single-way valve plates, and during the motor drives the crankshaft 300 to rotate and further drives the piston to reciprocate through the connecting rod, a driving force of the refrigerant in the high temperature and high pressure in the exhaust cavity can generate a driving force on the exhaust Move so that the high-temperature high-pressure refrigerant in the exhaust chamber discharges compression chamber 20012 through exhaust hole 4001, meanwhile, the low pressure refrigerant in the refrigerant pipeline can produce the driving force to suction valve block 4004 so that suction valve block 4004 moves towards the direction of opening suction hole 4003 so that the low pressure refrigerant enters into the suction chamber through suction hole 4003, and then the compression of piston is convenient for.
In the prior art, because the crankshaft 300, the connecting rod, the piston and the main frame 200 are installed and connected, in order to avoid cylinder ejection during actual installation, relative distances between the piston and the cylinder surface of the cylinder 2001, between the crankshaft 300 and the frame 2002 and between the crankshaft 300 and the cylinder 2001 need to be ensured, however, because the crankshaft 300, the connecting rod, the piston and the main frame 200 have dimensional tolerances, and because the cylinder 2001 and the frame 2002 of the main frame 200 are integrated, the relative distances need to be adjusted by using gaskets during actual installation.
In contrast, in the present application, the cylinder 2001 and the frame 2002 are formed as separate processing molding members, and it should be explained here that the cylinder 2001 and the frame 2002 can be separately processed, that is, the cylinder 2001 and the frame 2002 are assembled after being separately manufactured. The cylinder 2001 and the frame 2002 may be assembled in any way, for example, the cylinder 2001 and the frame 2002 may be detachably connected, for example, by a fastener, a snap structure, or the like, and of course, the cylinder 2001 and the frame 2002 may also be detachably connected, for example, by welding, or the like.
Specifically, since the cylinder 2001 and the frame 2002 are formed as separate molded parts, during the assembly process of the compressor 1000, the cylinder 2001 may be pre-mounted on the frame 2002 (for example, the cylinder 2001 and the frame 2002 are connected by a fastener bolt or a snap, etc.), and at this time, the cylinder 2001 is loose with respect to the frame 2002, the position between the cylinder 2001 and the frame 2002 may be adjusted to some extent, and the relative positional relationship between the piston and the cylinder 2001, between the crankshaft 300 and the frame 2002, and between the crankshaft 300 and the cylinder 2001, etc. may be ensured by fine-adjusting the position of the cylinder 2001, and then the cylinder 2001 and the frame 2002 are fixed (for example, locking the above bolt). Therefore, the relative position of the gasket is not required to be adjusted, the gasket is prevented from being stored on a production line to facilitate adjustment, the gasket is prevented from being confused, field management is facilitated, the quality risk of the compressor 1000 caused by the gasket in a wrong way can be avoided, the number of parts is reduced, the cost is reduced, and the installation is convenient.
According to the compressor 1000 of the embodiment of the invention, as the cylinder 2001 and the frame 2002 are independently machined and formed parts, in the installation process of the compressor 1000, the cylinder 2001 can be pre-installed on the frame 2002, and the relative position relationship between the piston and the cylinder 2001, between the crankshaft 300 and the frame 2002, and between the crankshaft 300 and the cylinder 2001 is further ensured by finely adjusting the cylinder 2001. Like this, just need not to utilize the gasket to adjust relative position to avoided depositing the gasket at production line and conveniently adjusted, avoided obscuring of gasket, made things convenient for on-the-spot management, but also can avoid the quality risk of compressor 1000 because of the gasket is with wrong bringing, reduced the quantity of part, the cost is reduced, simple to operate.
In some embodiments of the invention, as shown in fig. 13 and 19, a first seal 500 is provided between the frame 2002 and the cylinder 2001. The first sealing member 500 is used to seal a connection gap between the frame 2002 and the cylinder 2001, thereby preventing leakage of refrigerant.
Specifically, the first seal 500 is formed in an annular shape, and when the first seal 500 is positioned between the cylinder 2001 and the frame 2002, the first seal 500 surrounds the outside of the suction hole 4003 and the exhaust hole 4001. Thereby preventing the refrigerant from leaking from the suction hole 4003 or the exhaust hole 4001.
Optionally, the first seal 500 is a flexible member.
Specifically, the first seal 500 is a rubber member, such as a fluororubber member or a hydrogenated nitrile rubber member. Therefore, the sealing effect is good, the high-temperature resistance is strong, and the cost is low.
Specifically, in the related art, a non-asbestos gasket is generally used as a sealing element between the cylinder and the valve plate, a non-asbestos material is generally used as the non-asbestos gasket, the strength and the rigidity of the non-asbestos material are high, the elastic deformation is small, and although the sealing effect can be achieved, when the valve plate and the cylinder are fastened through bolts, the required locking torque is high, the risk that the cylinder and the valve plate deform can be increased, and the non-asbestos gasket is poor in sealing due to the fact that the bolts are used for a long time and are attenuated in torque and loosened, and further the leakage problem is caused.
Relatively speaking, in this application, because first sealing member 500 is the rubber spare, and in particular, first sealing member 500 is fluororubber spare or hydrogenation butadiene acrylonitrile rubber spare, and elastic deformation ability is good, need not bolt fastening cylinder 2001 and valve plate 400 like this, only utilize the jump ring just can realize the fastening effect, and is sealed effectual, and it is sealed bad to have avoided bolt moment of torsion decay, the not hard up asbestos gasket that leads to of bolt, and then avoids revealing the problem, still is favorable to avoiding the problem of valve plate 400 deformation because of bolt fastening brings simultaneously.
In some further embodiments of the invention, as shown in fig. 14, a first sealing groove 20011 is provided on a side surface of the cylinder 2001 facing the valve plate 400, the first sealing groove 20011 being adapted to accommodate the first seal 500. Specifically, a part of the first sealing member 500 is located in the first sealing groove 20011, and the remaining part of the first sealing member 500 exceeds the opening of the first sealing groove 20011 and is located between the cylinder 2001 and the valve plate 400, so that the first sealing groove 20011 can play a role in limiting the first sealing member 500, the problem of leakage caused by displacement of the first sealing member 500 is avoided, and meanwhile, the first sealing groove 20011 can also play a role in controlling the deformation amount of the first sealing member 500.
According to some embodiments of the present invention, at least one of the suction valve plate 4004 and the discharge valve plate 4002 is connected to the valve plate 400 by pulse welding. That is, the suction valve plate 4004 and the valve plate 400 may be connected by pulse welding, the discharge valve plate 4002 and the valve plate 400 may be connected by pulse welding, or the suction valve plate 4004 and the valve plate 400 and the discharge valve plate 4002 and the valve plate 400 may be connected by pulse welding. This is advantageous in improving the reliability of the connection between the intake valve plate 4004 and the valve plate 400 and between the exhaust valve plate 4002 and the valve plate 400.
In other embodiments, at least one of the suction valve plate 4004 and the discharge valve plate 4002 is coupled to the valve plate 400 by laser welding, infrared welding, or ultrasonic welding. It should be understood that the suction valve plate 4004 and the discharge valve plate 4002 may be connected to the valve plate 400 by other means as long as the connection strength therebetween can be ensured.
Specifically, as shown in fig. 16, a mounting groove 4005 for mounting the suction valve plate 4004 is provided on the valve plate 400, that is, a mounting groove 4005 is provided on a surface of the valve plate 400 facing the cylinder 2001, and the suction valve plate 4004 can be mounted to the mounting groove 4005, thereby being beneficial to reducing the volume of the whole of the suction valve plate 4004 and the valve plate 400, and simultaneously being beneficial to saving the material of the valve plate 400 and reducing the material cost.
In some embodiments of the present invention, the compressor 1000 further comprises a suction and exhaust muffler assembly 100. As shown in fig. 1 to 9, the suction muffler assembly 100 may include a muffler 10 and an exhaust pipe 20. The muffler 10 is provided to the valve plate 400, and a muffler chamber is formed in the muffler 10, and a partition plate 1013 is provided in the muffler chamber to partition the muffler chamber into a suction muffler chamber 101 and an exhaust muffler chamber 102, that is, the suction muffler chamber 101 and the exhaust muffler chamber 102 are provided in the muffler 10 to be spaced apart from each other.
As shown in fig. 1-2 and fig. 5 and 7, the air suction and sound deadening chamber 101 has an air suction inlet 1011 and an air suction outlet 1012, the air discharge and sound deadening chamber 102 has an air discharge inlet 1021 and an air discharge outlet 1022, the air discharge pipe 20 is connected to the air discharge outlet 1022, the air suction outlet 1012 is correspondingly connected to the air suction hole 4003, and the air discharge inlet 1021 is correspondingly connected to the air discharge hole 4001. Specifically, for example, when the suction muffler assembly 100 is disposed in the housing, the high-temperature and high-pressure refrigerant compressed in the discharge cavity of the cylinder 2001 may enter the discharge muffler cavity 102 through the discharge hole 4001 and further through the discharge inlet 1021, so as to achieve the purpose of noise reduction in the discharge muffler cavity 102, and then the refrigerant may further flow to the discharge pipe 20 through the discharge outlet 1022, and the refrigerant discharged from the discharge pipe 20 may further flow out of the compressor 1000 through the discharge outlet of the compressor 1000, and the refrigerant flowing back from the suction port of the compressor 1000 may enter the suction muffler cavity 101 through the suction inlet 1011, so as to achieve the purpose of noise reduction in the suction muffler cavity 101, and then flow out of the suction outlet 1012 and further flow to the suction cavity of the cylinder 2001 of the compressor 1000 through the suction hole 4003.
According to the suction and exhaust muffler assembly 100 of the compressor 1000 of the embodiment of the invention, the suction muffler 10 and the exhaust muffler 10 are integrated by arranging the suction muffler 101 and the exhaust muffler 102 in the muffler 10, so that the number of parts is reduced, the investment of a mold is reduced, materials are saved, the manufacturing difficulty is reduced, the standardized design of the parts is facilitated, the processing and manufacturing cost is reduced, the installation steps are simplified, and the labor cost is saved.
In some embodiments of the present invention, a second seal 600 is provided between the muffler 10 and the valve plate 400. Specifically, as shown in fig. 20, the second seal 600 includes a ring-shaped seal ring 6001 and a seal strip 6002, the seal strip 6002 is provided in the seal ring 6001 and both ends of the seal strip 6002 are connected to the inner wall of the seal ring 6001, respectively, the seal ring 6001 is wound around the outsides of the suction outlet 1012 and the discharge inlet 1021 to seal the muffler 10 and the valve plate 400, thus, the sealing ring 6001 seals the valve plate 400 and the muffler 10 to prevent leakage of refrigerant from a gap between the valve plate 400 and the muffler 10, the sealing strip 6002 is positioned between the suction outlet 1012 and the discharge inlet 1021 and between the suction hole 4003 and the discharge hole 4001 to space the suction outlet 1012 and the discharge inlet 1021 and to space the suction hole 4003 and the discharge hole 4001, thereby facilitating communication between the suction hole 4003 and the suction outlet 1012, the discharge hole 4001 and the discharge inlet 1021, meanwhile, the sealing strip 6002 also has a sealing function, and prevents leakage and mixing of the refrigerant flowing from the suction outlet 1012 to the suction hole 4003 and the refrigerant flowing from the discharge hole 4001 to the discharge inlet 1021.
The second seal 600 is a flexible member. Specifically, the second seal member 600 is a rubber member, such as a fluororubber member or a hydrogenated nitrile rubber member. Therefore, the sealing effect is good, the high-temperature resistance is strong, and the cost is low.
Specifically, the sealing member between the muffler 10 and the valve plate 400 is generally an asbestos-free gasket, the asbestos-free gasket is generally made of an asbestos-free material, the strength and rigidity of the asbestos-free material are high, the elastic deformation is small, and the sealing function can be achieved, but when the valve plate 400 and the muffler 10 are fastened by bolts, the required locking torque is large, the risk of deformation of the muffler 10 and the valve plate 400 may be increased, and the problem of leakage is caused by poor sealing of the asbestos-free gasket due to the attenuation of the torque of the bolts and the loosening of the bolts after long-term use of the structure.
Relatively speaking, in this application, because second sealing member 600 is the rubber spare, in particular, second sealing member 600 is fluororubber spare or hydrogenation butadiene acrylonitrile rubber spare, elastic deformation ability is good, need not bolt fastening muffler 10 and valve plate 400 like this, only utilize the jump ring just can realize the fastening effect, it is sealed effectual, bolt torque attenuation has been avoided, the non-asbestos gasket that the bolt becomes flexible leads to is sealed badly, and then avoid revealing the problem, still be favorable to avoiding simultaneously because of the problem of the deformation of valve plate 400 and muffler 10 that bolt fastening brought, bring probably for muffler 10 adopts plastic material, also bring probably for thinning valve plate 400.
In some further embodiments of the present invention, as shown in fig. 18, the end surface of the muffler 10 facing the valve plate 400 is provided with a second seal groove 108, and the second seal groove 108 is adapted to receive a second seal 600. Specifically, the second seal groove 108 includes two portions, that is, an annular seal groove 1081 and a connection groove 1082, the annular seal groove 1081 surrounds the suction outlet 1012 and the discharge inlet 1021 and corresponds to the seal ring 6001 described above, the connection groove 1082 is located in the annular seal groove 1081 and both ends of the connection groove 1082 communicate with the annular seal groove 1081, the connection groove 1082 corresponds to the seal strip 6002, the seal ring 6001 may be located partially in the annular seal groove 1081 and the remaining portion exceeds the open port of the annular seal groove 1081 and is located between the muffler 10 and the valve plate 400, the seal strip 6002 may be located partially in the connection groove 1082 and the remaining portion exceeds the open port of the connection groove 1082 and is located between the muffler 10 and the valve plate 400, so that the second sealing groove 108 can limit the second sealing member 600, avoid the leakage problem caused by the displacement of the second sealing member 600, while the second seal groove 108 may also function to control the amount of deformation of the second seal 600.
Specifically, a limiting portion 109 is disposed at the exhaust inlet 1021, and the limiting portion 109 is used for limiting the lift distance of the exhaust valve plate 4002. Therefore, the limiting portion 109 can function as a limiting lift device, so that an additional limiting lift device is not required, the number of parts is reduced, the cost is reduced, and the structure of the compressor 1000 is simplified.
Alternatively, the stopper portion 109 is integrally provided on the muffler 10. For example, the muffler 10 is embedded in a mold, and the stopper 109 is integrally injection-molded on the muffler 10. As another example, the silencer 10 with the retainer 109 is injection molded directly through a mold. Therefore, the production process is simplified, the production cost is reduced, and the connection strength between the limiting part 109 and the silencer 10 is improved.
In some embodiments of the present invention, at least one of the muffler 10 and the exhaust pipe 20 is a plastic piece. That is, the muffler 10 may be a plastic member, the exhaust pipe 20 may be a plastic member, or both the muffler 10 and the exhaust pipe 20 may be plastic members.
It should be noted that the plastic part is a heat-resistant plastic part, so as to prevent the plastic part from being melted by the high-temperature refrigerant.
Specifically, the exhaust pipe 20 is a PA66 (polyhexamethylene adipamide, nylon) piece or a PBT (Polybutylene terephthalate) piece. Therefore, the heat resistance is good, the cost is low, and the density of the material is low, which is beneficial to reducing the mass of the suction and exhaust muffler assembly 100.
According to the suction muffler assembly 100 of the embodiment of the present invention, the exhaust pipe 20 is connected to the exhaust outlet 1022, so that the structure of the suction muffler assembly 100 is simplified, the difficulty and cost of processing are reduced, and the exhaust pipe 20 is formed as a plastic member, so that the material cost is reduced, and the overall quality of the suction muffler assembly 100 is reduced, thereby reducing the quality of the compressor 1000, reducing the load of the casing of the compressor 1000, and facilitating the extension of the service life of the compressor 1000.
In some embodiments of the present invention, the muffler 10 is a plastic piece. For example, the muffler 10 is made of PA66 or PBT, and therefore, the muffler 10 is excellent in heat resistance, low in cost, and low in material density, and is advantageous in reducing the mass of the muffler 10.
Specifically, the muffler 10 and the exhaust pipe 20 are both plastic parts, and according to the suction muffler assembly 100 of the embodiment of the present invention, the exhaust pipe 20 and the muffler 10 are formed as plastic parts, so that the material cost is reduced, and the overall mass of the exhaust pipe 20 and the muffler 10 is reduced, thereby reducing the mass of the compressor 1000, reducing the load of the casing of the compressor 1000, and facilitating the extension of the service life of the compressor 1000.
In some embodiments of the present invention, the exhaust pipe 20 and the muffler 10 may be made of the same material, for example, the exhaust pipe 20 and the muffler 10 are made of PA material, which is beneficial to simplify the manufacturing process of the exhaust pipe 20 and the muffler 10, and is convenient for a production line worker to operate, and the production line worker needs to take one material, thereby avoiding the occurrence of wrong raw material usage by the production line worker due to different materials of the exhaust pipe 20 and the muffler 10.
Optionally, the exhaust duct 20 is a hose. Thereby, the connection between the discharge pipe 20 and the compressor 1000 and between the discharge pipe 20 and the muffler 10 can be facilitated, and the space occupied by the suction and discharge muffler assembly 100 in the casing of the compressor 1000 can be reduced.
In some embodiments of the present invention, as shown, for example, in fig. 2, at least one partition 1013 is provided in the air suction sound-deadening chamber 101 to partition the air suction sound-deadening chamber 101 into a plurality of sub air suction sound-deadening chambers in the flow direction of the air flow, and a vent 10131 is provided on each partition 1013. That is, at least one partition plate 1013 is provided at intervals in the air suction and sound deadening chamber 101 in the direction from the air suction inlet 1011 to the air suction outlet 1012, so as to partition a plurality of sub air suction and sound deadening chambers, so that the air flow can pass through the sound deadening effect of the plurality of sub air suction and sound deadening chambers when entering the air suction and sound deadening chamber 101 from the air inlet, and the sound deadening and noise reducing effects are good.
For example, as shown in fig. 2, a partition 1013 is disposed in the air suction and sound deadening chamber 101 to partition the air suction and sound deadening chamber 101 into two sub air suction and sound deadening chambers in the flowing direction of the air flow, and a vent 10131 is disposed on the partition 1013, so that the refrigerant entering the sub air suction and sound deadening chambers from the air inlet can flow to the second sub air suction and sound deadening chamber through the vent 10131 on the partition 1013, and the second sub air suction and sound deadening chamber has a resonance effect, so that the refrigerant can play a role of throttling when flowing through the vent 10131, and the sound deadening and noise reducing effects are good, thereby improving the noise of the compressor 1000.
Optionally, the partition 1013 includes a first plate 10131 and a second plate 10132, one end of the first plate 10131 is connected to the inner wall of the air suction sound deadening chamber 101 and is located between the air suction inlet 1011 and the air suction outlet 1012, one end of the second plate 10132 is connected to the other end of the first plate 10131, the second plate 10132 is substantially perpendicular to the first plate 10131, the other end of the second plate 10132 is connected to the inner wall of the air suction sound deadening chamber 101, a portion of the second plate 10132 faces the air suction outlet 1012, and the above-mentioned air hole 10131 is provided on the second plate 10132. Thus, the refrigerant may enter the suction noise damping chamber 101 from the suction inlet 1011, flow along a space defined by the first plate 10131 and the inner wall of the suction noise damping chamber 101 having the suction inlet 1011 to a space defined by the second plate 10132 and the inner wall of the suction noise damping chamber 101 having the suction inlet 1011 and be further discharged from the vent 10131 to a space defined by the first plate 10131, the second plate 10132 and the inner wall of the suction noise damping chamber 101 having the suction outlet 1012, and be further discharged from the suction outlet 1012 to the suction noise damping chamber 101.
Optionally, a plurality of ribs are disposed in the exhaust silencing chamber 102, and the plurality of ribs are spaced apart from each other. Therefore, the structural strength of the exhaust silencing cavity 102 is enhanced, and the pressure resistance value of the exhaust silencing cavity 102 is improved.
In some specific examples, the muffler 10 and the exhaust pipe 20 are connected by laser welding or friction welding, and thus, not only can independent processing of the muffler 10 and the exhaust pipe 20 be realized, but also the connection manner by laser welding or friction welding is simple and the processing efficiency is high.
Of course, the present invention is not limited thereto, and in other embodiments, the muffler 10 and the exhaust pipe 20 are integrally injection-molded. For example, the muffler 10 may be pre-embedded in a mold, and the exhaust pipe 20 may be injection-molded on the muffler 10 through an injection molding process. Therefore, the processing mode is simple, the connection strength of the silencer 10 and the exhaust pipe 20 is improved, and the production cost is reduced.
In some embodiments of the present invention, the end of the discharge pipe 20 remote from the muffler 10 is connected to a discharge port of the housing of the compressor 1000. Specifically, the casing may be provided with an exhaust port, and an end of the exhaust pipe 20 remote from the muffler 10 is connected to an inner wall of the exhaust port. Therefore, the structure is simple, and the refrigerant flowing out of the exhaust silencing chamber 102 of the silencer 10 is discharged out of the compressor 1000 through the exhaust pipe 20 and the exhaust port.
Specifically, the exhaust port is sealed from the exhaust pipe 20 by a flexible seal 30. Thereby being beneficial to improving the sealing performance between the exhaust pipe 20 and the exhaust port, avoiding the reduction of the air suction efficiency of the compressor 1000 caused by the entering of high-temperature and high-pressure refrigerant into the shell due to poor sealing, and simultaneously avoiding the reduction of the refrigerating capacity of the compressor 1000.
In some embodiments of the present invention, a groove 201 is formed in the outer peripheral wall of the vent tube 20 for receiving the flexible seal 30. Specifically, for example, as shown in fig. 9 to 11, the flexible seal member 30 has a circular ring shape, and the flexible seal member 30 is fitted around the outer peripheral wall of the exhaust pipe 20 and partially located in the groove 201. Therefore, the flexible sealing element 30 can be well limited, and the flexible sealing element 30 is prevented from shifting.
Optionally, the flexible seal 30 is a rubber or silicone piece. For example, the flexible seal 30 is a fluoroelastomer or a hydrogenated nitrile rubber. Therefore, the sealing effect is good, and the cost is low.
In some embodiments of the present invention, as shown in fig. 1-8, the muffler 10 includes: a first muffler shell 106 and a second muffler shell 107, the first muffler shell 106 having a first chamber 1061 and a second chamber 1062 spaced apart from each other within the first muffler shell 106, one side of the first chamber 1061 and the second chamber 1062 being open, the second muffler shell 107 being disposed at the open side, the second muffler shell 107 having a third chamber 1071 and a fourth chamber 1072, the third chamber 1071 and the fourth chamber 1072 being open to a side of the first muffler shell 106, the first muffler shell 106 and the second muffler shell 107 cooperating such that the first chamber 1061 and the third chamber 1071 define a suction muffler chamber 101, the second chamber 1062 and the fourth chamber 1072 define an exhaust muffler chamber 102. Therefore, the suction muffler 10, the exhaust muffler 10 and the air inlet and outlet matching seat of the cylinder 2001 are integrated, the manufacturing cost is reduced, resources are saved, meanwhile, the mounting efficiency is improved, the labor cost is saved, and the number of dies is reduced.
Specifically, for example, as shown in fig. 1 to 8, the muffler 10 includes: a first muffler shell 106 and a second muffler shell 107, the first muffler shell 106 having a first chamber 1061 and a second chamber 1062 spaced apart from each other therein, one sides of the first chamber 1061 and the second chamber 1062 being open, the second muffler shell 107 being provided at the open side, the second muffler shell 107 having a third chamber 1071 and a fourth chamber 1072, the third chamber 1071 and the fourth chamber 1072 being open at a side facing the first muffler shell 106, the first muffler shell 106 and the second muffler shell 107 being fitted such that the first chamber 1061 and the third chamber 1071 define a suction muffler chamber 101, the second chamber 1062 and the fourth chamber 1072 define an exhaust muffler chamber 102, an exhaust inlet 1021, a suction inlet 1011 and a suction outlet 1012 being provided on the first muffler shell 106, a partition 1013 being provided at the open side of the first muffler shell 106 facing the second muffler shell 107, an exhaust outlet 1022 being provided on the second muffler shell 107, the exhaust pipe 20 being connected to the exhaust outlet 1022 of the second muffler shell 107, the partition 1013 includes a first plate 10131 and a second plate 10132, the first plate 10131 is located between the suction inlet 1011 and the suction outlet 1012, the second plate 10132 is disposed at a side of the first plate 10131 adjacent to the second muffler shell 107 and is substantially perpendicular to the first plate 10131, a portion of the second plate 10132 corresponding to the suction outlet 1012 is provided with a vent 10131, the refrigerant may enter into a partial space of the first chamber 1061 corresponding to the first plate 10131 and the suction inlet 1011 from the suction inlet 1011 and further flow to the third chamber 1071, and then the refrigerant may enter into a partial space of the first chamber 1061 corresponding to the first plate 10131 and the suction outlet 1012 through the vent 10131 again and further be discharged from the suction outlet 1012.
Specifically, a partition chamber is provided between the intake muffling chamber 101 and the exhaust muffling chamber 102, and for example, a chamber is formed in the partition plate 1013 described above. Thus, the heat of the exhaust muffling chamber 102 can be prevented from having a heat transfer influence on the intake muffling chamber 101.
Further, the compartment may be provided with a piece of insulating material, for example, the piece of insulating material may be a foam or a foamed layer.
Alternatively, the first muffler shell 106 and the second muffler shell 107 are joined by laser welding, infrared welding, or ultrasonic welding. Therefore, the processing technology is simple and the processing efficiency is high.
Specifically, the third chamber 1071 has an oil leak hole 10711, and the oil leak hole 10711 may communicate with an oil pool in the casing of the compressor 1000, thereby facilitating a return flow of the lubricating oil in the suction muffler chamber 101 into the oil pool.
The compressor 1000 according to the embodiment of the present invention includes: the suction muffler assembly 100 described above.
According to the compressor 1000 of the embodiment of the invention, by arranging the suction and exhaust silencer assembly 100, the mass of the compressor 1000 is reduced, the load of the compressor 1000 is reduced, and the service life of the compressor 1000 is prolonged.
The refrigeration equipment according to the embodiment of the invention comprises the compressor 1000.
According to the refrigeration equipment of the embodiment of the invention, by arranging the compressor 1000, as the cylinder 2001 and the frame 2002 are independently machined and molded parts, the cylinder 2001 can be pre-installed on the frame 2002 in the installation process of the compressor 1000, and the relative position relationship between the piston and the cylinder 2001, between the crankshaft 300 and the frame 2002 and between the crankshaft 300 and the cylinder 2001 is further ensured by finely adjusting the cylinder 2001. Like this, just need not to utilize the gasket to adjust relative position to avoided depositing the gasket at production line and conveniently adjusted, avoided obscuring of gasket, made things convenient for on-the-spot management, but also can avoid the quality risk of compressor 1000 because of the gasket is with wrong bringing, reduced the quantity of part, the cost is reduced, simple to operate.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (14)
1. A compressor, comprising:
a housing;
the main frame is arranged in the shell and comprises an air cylinder and a frame, the air cylinder and the frame are respectively an independent processing forming part, the air cylinder is connected with the frame, and the air cylinder is provided with a compression cavity;
a piston mounted within the compression chamber;
one end of the connecting rod is connected with the piston;
the crankshaft is rotatably arranged on the rack and is connected with the other end of the connecting rod;
the valve plate is arranged on the cylinder and provided with an exhaust hole and an air suction hole, and the valve plate is provided with an air suction valve plate and an exhaust valve plate.
2. The compressor of claim 1, wherein the frame is coupled to the cylinder by fasteners.
3. The compressor of claim 1, wherein a first seal is disposed between the valve plate and the cylinder.
4. The compressor of claim 3, wherein the first seal is a fluoroelastomer or a hydrogenated nitrile rubber.
5. The compressor of claim 3, wherein a first seal groove is provided on a side surface of the cylinder facing the valve plate, the first seal groove adapted to receive the first seal.
6. The compressor of claim 1, wherein at least one of the suction valve plate and the discharge valve plate is connected to the valve plate by pulse welding.
7. The compressor of claim 1, wherein the valve plate is provided with a mounting groove for mounting the suction valve plate.
8. The compressor of claim 1, further comprising a muffler disposed on the valve plate, wherein the muffler has a suction muffler chamber and a discharge muffler chamber, a suction outlet of the suction muffler chamber is correspondingly connected to the suction hole, and a discharge inlet of the discharge muffler chamber is correspondingly connected to the discharge hole.
9. The compressor of claim 8, wherein a second seal is disposed between the muffler and the valve plate, the second seal including an annular sealing ring and a sealing strip, the sealing strip being disposed within the sealing ring and having opposite ends connected to inner walls of the sealing ring, the sealing ring surrounding the suction outlet and the discharge inlet to seal between the muffler and the valve plate, the sealing strip being disposed between the suction outlet and the discharge inlet to space the suction outlet and the discharge inlet.
10. The compressor of claim 9, wherein the second seal is a fluoroelastomer or a hydrogenated nitrile rubber.
11. The compressor of claim 9, wherein an end surface of the muffler facing the valve plate is provided with a second seal groove adapted to receive the second seal.
12. The compressor of claim 8, wherein a limit portion is provided at the exhaust gas inlet, and the limit portion is used for limiting a lift distance of the exhaust valve plate.
13. The compressor of claim 12, wherein the stopper portion is integrally provided on the muffler.
14. A refrigeration device, characterized in that it comprises a compressor according to any one of claims 1-13.
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CN201811501278.1A CN111287945A (en) | 2018-12-10 | 2018-12-10 | Compressor and refrigeration equipment |
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CN201811501278.1A CN111287945A (en) | 2018-12-10 | 2018-12-10 | Compressor and refrigeration equipment |
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EP4170163A1 (en) * | 2021-10-25 | 2023-04-26 | Secop GmbH | Cylinder head assembly |
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CN206111487U (en) * | 2016-10-21 | 2017-04-19 | 华意压缩机(荆州)有限公司 | Compressor valve organizes assembly structure |
CN206221212U (en) * | 2016-11-29 | 2017-06-06 | 安徽美芝制冷设备有限公司 | Valve group part for compressor and the compressor with it |
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