CN109083826A - Hermetic type compressor and the equipment for having used the hermetic type compressor - Google Patents
Hermetic type compressor and the equipment for having used the hermetic type compressor Download PDFInfo
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- CN109083826A CN109083826A CN201810553794.2A CN201810553794A CN109083826A CN 109083826 A CN109083826 A CN 109083826A CN 201810553794 A CN201810553794 A CN 201810553794A CN 109083826 A CN109083826 A CN 109083826A
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- Prior art keywords
- piston
- oil passage
- piston pin
- type compressor
- hermetic type
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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
- F04B39/02—Lubrication
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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
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
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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
- F04B39/0005—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 adaptations of pistons
-
- 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
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/0276—Lubrication characterised by the compressor type the pump being of the reciprocating piston type, e.g. oscillating, free-piston compressors
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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
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention improves the hermetic type compressor of the lubricity between connecting rod and piston pin and has the equipment of the hermetic type compressor.The hermetic type compressor includes closed container, lubrication oil；Piston can move back and forth and be equipped with piston pin；Gudgeon pin shaft is to oil passage, along the axially extending of piston pin；And piston pin circumferential slot, along the circumferentially extending of piston pin.
Description
Technical field
The present invention relates to hermetic type compressor and the equipment for having used the hermetic type compressor.
Background technique
As relevant hermetic type compressor, for example, as it is known that there is compression shown in Japanese Unexamined Patent Publication 7-224761 bulletin
Machine.The hermetic type compressor is the reciprocating compressor for having piston and crankshaft, and the connection for connecting rod and piston has used work
The structure of plug pin.It is arranged in the position configuration for not being applied compression load of piston pin 59 in the mode orthogonal with glide direction
Oil groove 3 (the 0018th section, Fig. 3,4), also, have connection be pivotally supported crankshaft 54 bearing 55 sliding part and internal diameter of cylinder portion 56
Oilhole 1.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 7-224761 bulletin
Summary of the invention
Problem to be solved by the invention
Patent document 1 be lubrication between piston pin and connecting rod only by be set to the axial oil groove 3 of piston pin come into
Capable structure, accordingly, there exist the problem of the circumferentially upper lubricating oil of piston pin cannot substantially arrive at.
Technical teaching for solving the problem was
The present invention being made into view of the foregoing is a kind of hermetic type compressor, includes closed container, storage profit
Lubricating oil；Piston can move back and forth and be equipped with piston pin；Gudgeon pin shaft is to oil passage, along the axis of above-mentioned piston pin
To extension；And piston pin circumferential slot, along the circumferentially extending of above-mentioned piston pin.
Detailed description of the invention
Fig. 1 is the longitudinal section view of the compressor of embodiment 1.
Fig. 2 is the cross-sectional view perspective view near the cylinder barrel of the compressor of embodiment 1.
Fig. 3 is the cross-sectional view near the cylinder barrel of the compressor of embodiment 1.
Fig. 4 is the top view of the piston of the compressor of embodiment 1.
Fig. 5 is the piston pin perspective view of embodiment 2.
Fig. 6 is the piston pin perspective view of embodiment 3.
Fig. 7 is the side view of the piston pin of embodiment 3.
Fig. 8 is the piston pin perspective view of embodiment 4.
In figure:
1-cylinder barrel, 2-connecting rods, the big end 2a-intercommunicating pore, 2b-, 2c-small end, 2d-wrist, 3-closed appearances
Device, 4-pistons, 4a-piston bore, 4b-piston pin insertion hole, 5-stators, 6-rotors, 7-crankshafts, 7a-crankpin,
7f-pin portion bore hole, 17-cylinder barrels, 20-compression units, 30-electrodynamic elements, 35-lubricating oil, 43-piston pins, 43a-
Piston pin circumferential slot, 43b-gudgeon pin shaft is to oil passage, and for 43c-gudgeon pin shaft to Plane Notch, 43d-piston pin is negative
Lotus line, 50-hermetic type compressors.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the embodiment of the present invention.Same symbol is marked to same Component units
Number, it is not repeated similarly to illustrate.
Various Component units of the invention are not necessarily required to be presence independent, allow a Component units by multiple portions
Part is constituted, multiple Component units are made of a component, some Component units is other Component units a part, some constitutes
A part of unit and a part repetition of other Component units etc..
Embodiment 1
Fig. 1 is the longitudinal section view of the hermetic type compressor 50 of the present embodiment, and Fig. 2 is the hermetic type compressor 50 of the present embodiment
Cylinder barrel 1 near sectional stereogram, it is to say that Fig. 3, which is the cross-sectional view near the cylinder barrel 1 of the hermetic type compressor 50 of the present embodiment,
The figure of the flow direction of bright lubricating oil.Fig. 4 is the top view of the piston 4 of the hermetic type compressor 50 of the present embodiment.It is thick in Fig. 3
Line arrow indicates the direction of supply lubricating oil.Hermetic type compressor 50 is by electrodynamic element 30, compression unit 20 and lubricating oil 35
It is accommodated in closed container 3.
[electrodynamic element 30]
Hermetic type compressor 50 has the electrodynamic element 30 being made of stator 5 and rotor 6.
Stator 5 and rotor 6 are located on the lower than cylinder barrel 1, piston 4, connecting rod 2 and piston pin 43.
It is wound with winding wire in stator 5, when winding wire streaming current drives electrodynamic element 30, rotor 6 starts
Rotary motion.Rotor 6 is connect with crankshaft 7, and when 6 rotary motion of rotor, crankshaft 7 is rotated together with rotor 6.
[compression unit 20]
Hermetic type compressor 50, which has, to be made of crankshaft 7, connecting rod 2, piston 4 and piston pin 43, cylinder barrel 1 and cylinder barrel 17
Compression unit 20.
[crankshaft 7]
The lower end of crankshaft 7 is impregnated in the lubricating oil 35 of the lower part storage in closed container 3, in upper end configured with setting
Crankpin 7a in the position (from the position of rotating shaft eccentric) different from the rotary shaft of crankshaft 7.Therefore, when crankshaft 7 rotates,
Crankpin 7a revolves (eccentric motion) around the rotary shaft of crankshaft 7.In addition, crankshaft 7 can be with the rotation of crankshaft 7 and by lubricating oil
35 are drawn into crankpin 7a.The structure for aspirating lubricating oil can be enumerated and lubricated as an example using various well known structures
Columned cavity is arranged in oily 35 sides.When crankshaft 7 rotates, the lubricating oil 35 in cavity is revolved by the friction with axis 7
Transhipment is dynamic, and centrifugal force can aspirate lubricating oil 35.As other examples, can enumerate in the periphery of crankshaft 7 or outer with crankshaft 7
Spiral helicine slot is arranged in all opposed fixing bearings.Between the lubricating oil 35 in axis or bearing wall surface and helicla flute, in crankshaft 7
When rotation, generate because rubbing caused by speed difference such as figure.Using the frictional force as driving force, the lubricating oil in helicla flute is along spiral
Slot rises.
Crankpin 7a has the hollow pin portion bore hole 7f for being connected to crankshaft, the lubrication risen by the rotation of crankshaft 7
Oil reaches in pin portion bore hole 7f.In pin portion, bore hole 7f is configured with the access that is connected with the outer peripheral surface of crankpin 7a, and the one of lubricating oil
Part be supplied in crankpin 7a between aftermentioned big end 2b, another part from crankpin 7a upper end side spray and supply
To aftermentioned piston bore 4a etc..
[connecting rod 2]
The rod-shaped wrist that there is connecting rod 2 the big end 2b and small end 2c of hollow circular ring shape to be connected with by these annulus
2d.It is fitted into the crankpin 7a of crankshaft 7 in big end 2b, big end 2b is connected with crankpin 7a as a result,.It is chimeric slotting in small end 2c
Enter the piston pin 43 of piston 4, small end 2c and piston 4 connect as a result,.Wrist 2d via the bottom dead centre side of piston 4 opening
Big end 2b is connected with small end 2c.
In this way, crankpin 7a is located in the annulus of big end 2b, piston pin 43 is located in the annulus of small end 2c.Crankpin
7a, piston pin 43 are respectively substantially cylindrical shape, and annulus inner circumferential more respective than big end 2b and small end 2c (inside) is straight
Diameter is slightly smaller.Therefore, crankpin 7a and piston pin 43 are substantially chimeric with big end 2b and small end 2c respectively, and can compare certainly
It is such as movable.
Configured with the intercommunicating pore 2a that the inner circumferential of big end 2b is connected with the inner circumferential of small end 2c in wrist 2d.With regard to connection
For the 2a of hole, from the access that the outer peripheral surface of pin portion bore hole 7f and crankpin 7a are connected to the outer peripheral surface of crankpin 7a and big end
Lubricating oil is supplied between 2b.The lubricating oil is further supplied by intercommunicating pore 2a to small end 2c, to small end 2c and piston
It is lubricated between pin 43.
[piston pin 43 and piston 4]
Piston 4 with cylindrical shape is slidably disposed in cylinder barrel 1.Therefore, the direction of motion of piston 4 is defined
In the cylindric space for being set to cylinder barrel 1, with the revolution of crankpin 7a, connecting rod 2 is that axis carries out swing fortune with piston pin 43
It is dynamic.In this way, the revolution motion of crankpin 7a is converted to reciprocating motion of the piston 4 in cylinder barrel 1.The piston 4 of the present embodiment
Vibration-direction is general horizontal direction.
The shape of piston pin 43 is substantially cylindrical shape in the up-down direction with axis.Piston pin 43 has as circumferential
Oil groove piston pin circumferential slot 43a and gudgeon pin shaft as axial oil groove to oil passage 43b.Piston pin circumferential slot
The position opposed with the inner circumferential of small end 2c, piston pin circumferential slot 43a and gudgeon pin shaft is arranged in oil passage 43b in 43a
Intersect.In the present embodiment, piston pin circumferential slot 43a is around the circumferential direction of piston pin 43 through a circle.It is preferably set in this way in processing
It is set to a just circle, but might be less that a circle, helical form can also be formed as and be greater than a circle.
The piston bore 4a as (recess) lower than 4 outer peripheral surface of piston is equipped in 4 upper surface of piston.Piston bore 4a setting
Around the piston pin insertion hole 4b being inserted into for piston pin 43.Piston bore 4a is during piston 4 is located at least in bottom dead centre
Part or all can be exposed from cylinder barrel 1.In the present embodiment, the shape of piston bore 4a is set as rectangular shape,
But the shape is not particularly limited.The a part for the lubricating oil for falling in 4 upper surface of piston is collected into piston bore 4a, Neng Gouliu
Enter gudgeon pin shaft to oil passage 43b.Gudgeon pin shaft can be observed in the tower visibility of piston 4 to oil passage 43b
Upper end.That is, gudgeon pin shaft is connected (connection) with the upper surface of piston 4 to oil passage 43b.
The lubricating oil for having passed through intercommunicating pore 2a is supplied to the inner circumferential of small end 2c, and is mainly supplied to piston pin circumferential slot
The piston pin circumferential slot 43a of 43a and gudgeon pin shaft into oil passage 43b.Quilt between piston pin 43 and small end 2c as a result,
Lubrication.The lubricating oil is further advanced by gudgeon pin shaft to oil passage 43b and upward direction or lower direction are guided, to work
It is also lubricated between plug pin 43 and piston 4.
In addition, a part of the lubricating oil to be dispersed from the upper end of pin portion bore hole 7f to surrounding by centrifugal force is supplied to work
Fill in recess portion 4a.Piston bore 4a has function as oil container, reach piston bore 4a lubricating oil pass through gudgeon pin shaft to
Oil passage 43b thus allows for the lubrication of piston pin 43 Yu piston 4.
[cylinder barrel 1]
Cylinder barrel 1 is the component for being formed with the cylindric space slided for piston 4.Cylinder barrel is configured in one end of cylinder barrel 1
Body 17 can be configured with piston 4 in the other end slidingly back and forth.
Cylinder barrel lid 10 be equipped with inlet hole and tap (not shown), when piston 4 move back and forth when, can by they into
Row sucks refrigerant, the discharge compression refrigerant out of cylinder barrel 1 into cylinder barrel 1.
[supply of lubricating oil]
The lubricating oil for having passed through intercommunicating pore 2a reaches piston pin circumferential slot 43a towards small end 2c.In addition, from pin portion bore hole
Disperse a part of lubricating oil out of the upper end of 7f falls in the upper surface of piston 4, cylinder barrel 1.Fall in the lubricating oil of 1 upper surface of cylinder barrel
A part drip to the upper surface of piston 4 and be collected into piston bore 4a, and by upper side channel 43b1 guide and flow to lower section, should
Upper side channel 43b1 is gudgeon pin shaft being located at than piston pin circumferential slot into oil passage 43b being connected to piston bore 4a
43a upper slot.
Lubrication between small end 2c and piston pin 43 using the lubricating oil for having passed through intercommunicating pore 2a and falls in piston 4 or cylinder
The lubricating oil both sides of the upper surface of cylinder 1 carry out.At this moment, piston pin circumferential slot 43a is connected with upper side channel 43b1, therefore, be easy into
The dealing of the lubricating oil of row between the two.
By piston pin circumferential slot 43a can near small end 2c fuel feeding, but in above-below direction into small end 2c
The fuel feeding in upper isolated region is easy deficiency.By the way that upper side channel 43b1 is arranged as in this embodiment, can be connected using having passed through
The lubricating oil both sides of the lubricating oil of through-hole 2a and the upper surface for falling in piston 4 or cylinder barrel 1 carry out to from piston pin circumferential slot 43a to
The fuel feeding in the region of upper direction separation, therefore, lubricity improves.
Moreover, in the present embodiment, piston pin circumferential slot 43a and gudgeon pin shaft into oil passage 43b be located at than
The lower side channel 43b2 of piston pin circumferential slot 43a on the lower is connected.Therefore, pass through the lubricating oil of intercommunicating pore 2a and fall in piston 4
Or the lubricating oil both sides of the upper surface of cylinder barrel 1 are supplied to the lower surface of piston 4, therefore, can be improved the lower surface of piston 4 with
Lubricity between cylinder barrel 1.
Two sides are preferably arranged in upper side channel 43b1 and lower side channel 43b as in this embodiment, but a side can also only be arranged.
In the present embodiment, upper side channel 43b1 and lower side channel 43b2 be using the same point of piston pin circumferential slot 43a as starting point, but
It can also be using different points as starting point.That is, in the present embodiment, piston pin circumferential slot 43a and gudgeon pin shaft are to oil passage
The intersection point of 43b is formed as the point for extending slot to four direction, but can also be formed as the point for extending slot to three directions.
In addition, in the present embodiment, piston pin circumferential slot 43a is set to piston pin 43, but also can be set in small end
Portion 2c.As long as that is, generating gap between small end 2c and piston pin 43.
The hermetic type compressor 50 of the present embodiment can be applied to that refrigerator, air conditioner, refrigerating cycle etc. are various to be set
It is standby.
Embodiment 2
The structure of the present embodiment is formed similarly to Example 1 other than following point.Fig. 5 is the piston of the present embodiment
The perspective view of pin 43.Be formed with piston pin circumferential slot 43a similarly to Example 1 in piston pin 43, but replace gudgeon pin shaft to
Oil passage 43b has additionally been axially formed gudgeon pin shaft to Plane Notch 43c in piston pin 43.Gudgeon pin shaft is to flat
Face notch 43c is to carry out cutting processing as string using a part of the approximately axially circle of circular piston pin 43 to form.When by the work
When plug pin 43 is packed into piston 4 shown in Fig. 4, by the inner peripheral surface of piston pin insertion hole 4b and gudgeon pin shaft to Plane Notch 43c
Gap, be axially formed the fuel supply path passed through for lubricating oil in piston pin 43.The fuel supply path can play and implement
Gudgeon pin shaft shown in example 1 is to the identical function of oil passage 43b, effect.
Embodiment 3
The structure of the present embodiment is identically formed other than following point with embodiment 1 or 2.Fig. 6 is the work of the present embodiment
The perspective view of plug pin 43.The angle, θ of gudgeon pin shaft to oil passage 43b and horizontal plane formation are about 90 degree in embodiment 1,
But in the present embodiment, it is not 90 degree, and forms acute angle or obtuse angle.
Fig. 7 is the skeleton diagram for being applied to the load position of piston pin 43 when operating to hermetic type compressor 50 and being illustrated.
Dotted line in figure indicates the end position in the region that small end 2c and piston pin 43 are overlapped when assembling.Connecting rod 2 can around piston pin 43
It is swingingly fitted into, therefore, the diameter of the inside of small end 2c is more bigger than the outer diameter of piston pin 43.Therefore, hermetic type compressor 50
When operating, piston pin 43 and the contact of small end 2c line.Using an example of line contact position at this time as piston pin load line 43d table
It is shown in Fig. 7.Although the line contact position according to the position of piston 4, the position of connecting rod 2, hermetic type compressor 50 operating condition
And it changes, but piston pin load line 43d has and the approximately axially parallel feature of piston pin 43.
In the present embodiment, the angle, θ of gudgeon pin shaft to oil passage 43b and horizontal plane formation are not 90 degree, that is, living
The axial direction of plug pin axial lubrication access 43b and piston pin 43 is not parallel, and therefore, no matter piston pin load line 43d is in what position
It sets, can inhibit the phenomenon that and gudgeon pin shaft is roughly the same to oil passage 43b.That is, being able to suppress piston pin load line
43d and gudgeon pin shaft are contacted to oil passage 43b line.In gudgeon pin shaft to oil passage 43b and piston pin load line 43d
In the case where consistent ground contact, in slot part, oil film pressure is low, is unable to holding shaft, and accordingly, there exist what sliding condition was deteriorated to ask
Topic.But in the present embodiment, because can make gudgeon pin shaft to oil passage 43b and piston pin load line 43d with direction
Not parallel mode contacts, so therefore the contact of the two can be limited to most point contact degree can reduce lubricity
Variation.
In addition, the relative motion of small end 2c and piston pin 43 is pendulum motion.Therefore, in the fortune of hermetic type compressor 50
In dynamic, piston pin load line 43d is moved in the larger context in the outer peripheral surface of piston pin 43.Therefore, in order to improve lubricity,
It is expected that gudgeon pin shaft is a plurality of to oil passage 43b setting.
As the value of θ, preferably 20 degree or more and 80 degree hereinafter, in addition, when considering aftermentioned assembly precision etc., preferably 30
Du or more and 60 degree or less.
It is illustrated in addition, gudgeon pin shaft is set as θ to the angle that oil passage 43b and " horizontal plane " are formed, but
The case where this is the deciding means in view of the direction of piston pin load line 43d and illustrates in this way.Piston pin load line 43d is based on will
The revolution motion of crankpin 7a is converted to the power generated when the reciprocating motion of piston 4 by connecting rod 2, according to the revolution of crankpin 7a
The angle that the direction of axis, connecting rod 2 are connect with crankpin 7a, piston pin 43, can occur the variation of certain degree.But in general,
The hollow shaft of crankpin 7a based on crankpin 7a and the big end 2b swinging axle connecting and is based on piston pin 43 and small end
It is parallel with up and down direction that the direction of the swinging axle of the connection of 2c, which separately designs,.In this case, piston pin load line 43d and " water
Plane " is orthogonal, therefore is load line as described above.That is, according to the precision of assembling, it is sometimes desirable to will deviate from " horizontal plane "
θ is from the point of view of certain degree.Accordingly it is also possible on the basis of keeping " horizontal plane ", and by the value of θ converge on above-mentioned range,
Or keep θ range be it is above-mentioned and replace " horizontal plane " like that, be arranged orthogonal with the hollow shaft of crankpin 7a imaginary
Plane.
Embodiment 4
The structure of the present embodiment is constituted in the same manner as any of Examples 1 to 3 other than following point.Fig. 8 is this reality
Apply the perspective view of the piston pin 43 of example.In the present embodiment, it is formed with a plurality of gudgeon pin shaft to oil passage 43b, it is therein
Intersect more than one group (two) and be formed with intersection point.In the present embodiment, these intersection points are Chong Die with piston pin circumferential slot 43a, but
It can not also be overlapped.
In relative motion (pendulum motion) lesser situation of small end 2c and piston pin 43, piston pin axial lubrication
The direction of lubricating oil flow in access 43b is mainly dominated by gravity, therefore, as shown in figure 3, flowing in downward direction.Another party
Moisten as caused by wall friction in relative motion (pendulum motion) biggish situation of small end 2c and piston pin 43 in face
Lubricating oil driving force becomes leading, forms stream that lubricating oil is assembled to from gudgeon pin shaft to the intersection point of oil passage 43b and from intersection
The stream that point leaves.At this moment, in gudgeon pin shaft to the crosspoint of oil passage 43b, from each gudgeon pin shaft to oil passage 43b
The lubricating oil that stream comes necessarily collides, and therefore, generates hydromechanical dynamic pressure, generates biggish oil film pressure.Therefore, axis retentivity
It improves, so as to improve sliding condition.
In addition, " intersection point " mentioned here can be construed to gudgeon pin shaft to oil passage 43b or piston pin circumferential slot
The point that 43a, preferably gudgeon pin shaft at least extend to three or four direction to oil passage 43b.I.e., it is possible to such as the present embodiment
Ground extends in " X " font, can also extend in " λ " font.
Claims (7)
1. a kind of hermetic type compressor comprising:
Closed container, lubrication oil；
Piston can move back and forth and be equipped with piston pin；
Gudgeon pin shaft is to oil passage, along the axially extending of the piston pin；And
Piston pin circumferential slot, along the circumferentially extending of the piston pin.
2. hermetic type compressor according to claim 1 comprising:
Crankshaft rotates freely and can aspirate lubricating oil；
Crankpin, the rotary shaft around the crankshaft revolve；And
Connecting rod, there is the big end and small end chimeric with the crankpin and the piston respectively and connect the big end and
The wrist of the small end,
The connecting rod has the intercommunicating pore being arranged from the big end towards the small end,
The upper surface of the piston is exposed from cylinder barrel at least partially in the case where the piston is located at bottom dead centre,
A part of the lubricating oil can fall in the upper surface of the piston by the intercommunicating pore, another part.
3. hermetic type compressor according to claim 1 or 2, which is characterized in that
The gudgeon pin shaft is connected to the upper surface of the piston to oil passage and connect with the piston pin circumferential slot.
4. hermetic type compressor described in any one of claim 1 to 3, which is characterized in that
The gudgeon pin shaft has to oil passage is located at the upside oil passage more upper than the piston pin circumferential slot
Be located at downside oil passage than the piston pin circumferential slot on the lower,
A side or two sides for the upside oil passage and the downside oil passage connect with the piston pin circumferential slot.
5. hermetic type compressor according to any one of claims 1 to 4, which is characterized in that
The gudgeon pin shaft with respect to the horizontal plane forms acute angle or obtuse angle to oil passage.
6. hermetic type compressor according to any one of claims 1 to 5, which is characterized in that
The gudgeon pin shaft has two or more to oil passage,
At least two formation intersection points of the gudgeon pin shaft into oil passage.
7. a kind of equipment for having used compressor, which is characterized in that
The above-mentioned equipment for having used compressor uses hermetic type compressor described in any one of claim 1~6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-116395 | 2017-06-14 | ||
| JP2017116395A JP2019002306A (en) | 2017-06-14 | 2017-06-14 | Hermetic compressor and apparatus using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109083826A true CN109083826A (en) | 2018-12-25 |
Family
ID=64839234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553794.2A Pending CN109083826A (en) | 2017-06-14 | 2018-05-31 | Hermetic type compressor and the equipment for having used the hermetic type compressor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2019002306A (en) |
| KR (1) | KR101994681B1 (en) |
| CN (1) | CN109083826A (en) |
| SG (1) | SG10201804004XA (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594163A (en) * | 2019-10-01 | 2021-04-02 | 日立环球生活方案株式会社 | Compressor and equipment using same |
| CN113389710A (en) * | 2021-07-27 | 2021-09-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston pin on piston compressor and piston compressor |
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| JPH07224761A (en) | 1994-02-09 | 1995-08-22 | Matsushita Refrig Co Ltd | Closed type compressor |
| JPH07317899A (en) * | 1994-05-25 | 1995-12-08 | Daihatsu Motor Co Ltd | Piston pin for internal combustion engine and machining method therefor |
| JP3872146B2 (en) * | 1996-11-08 | 2007-01-24 | 松下冷機株式会社 | Hermetic compressor |
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- 2017-06-14 JP JP2017116395A patent/JP2019002306A/en active Pending
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2018
- 2018-02-19 KR KR1020180019197A patent/KR101994681B1/en active IP Right Grant
- 2018-05-11 SG SG10201804004XA patent/SG10201804004XA/en unknown
- 2018-05-31 CN CN201810553794.2A patent/CN109083826A/en active Pending
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| JPH07208333A (en) * | 1994-01-24 | 1995-08-08 | Aisan Ind Co Ltd | Piston type fluid pump |
| JPH10281068A (en) * | 1997-04-04 | 1998-10-20 | Matsushita Refrig Co Ltd | Sealed compressor |
| KR100301469B1 (en) * | 1998-02-26 | 2002-02-28 | 구자홍 | Structure for supplying oil of hermetic motor compressor |
| KR19990074572A (en) * | 1998-03-12 | 1999-10-05 | 배길성 | Oil supply structure of compressor |
| KR20040038366A (en) * | 2002-10-31 | 2004-05-08 | 엘지전자 주식회사 | Oil supplying structure of connectingrod in hermetic compressor |
| JP2013100797A (en) * | 2011-11-10 | 2013-05-23 | Panasonic Corp | Hermetic compressor |
| CN106567817A (en) * | 2015-10-13 | 2017-04-19 | 日立空调·家用电器株式会社 | Enclosed compressor and apparatus with the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594163A (en) * | 2019-10-01 | 2021-04-02 | 日立环球生活方案株式会社 | Compressor and equipment using same |
| CN113389710A (en) * | 2021-07-27 | 2021-09-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston pin on piston compressor and piston compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180136363A (en) | 2018-12-24 |
| SG10201804004XA (en) | 2019-01-30 |
| JP2019002306A (en) | 2019-01-10 |
| KR101994681B1 (en) | 2019-07-02 |
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Address after: Tokyo, Japan, Japan Applicant after: Hitachi Global Living Program Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Hitachi Household Electric Appliance Co. |
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