CN208364391U - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN208364391U CN208364391U CN201790000291.1U CN201790000291U CN208364391U CN 208364391 U CN208364391 U CN 208364391U CN 201790000291 U CN201790000291 U CN 201790000291U CN 208364391 U CN208364391 U CN 208364391U
- Authority
- CN
- China
- Prior art keywords
- face
- flow passage
- shell
- branch flow
- muffler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010687 lubricating oil Substances 0.000 claims abstract description 76
- 239000003507 refrigerant Substances 0.000 claims abstract description 57
- 230000006835 compression Effects 0.000 claims abstract description 41
- 238000007906 compression Methods 0.000 claims abstract description 41
- 238000005119 centrifugation Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 40
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 20
- 239000000446 fuel Substances 0.000 description 17
- 230000003584 silencer Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010726 refrigerant oil Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The compressor of the utility model has: closed container；Mechanism portion, the mechanism portion include the rotor of stator with the inside for being configured at stator, and are set in closed container；The one end of drive shaft, the drive shaft is connect with mechanism portion；To the compression mechanical part that refrigerant is compressed, the compression mechanical part includes: the piston connecting with the another side of drive shaft；Store the cylinder body of piston；And it is formed with the first discharge port of the discharge intracorporal refrigerant of cylinder and supports the bearing of the another side of drive shaft；And muffler, the muffler is set to bearing, and covering first discharge port, it is formed between the end face and muffler of bearing and closes space, from first discharge port be discharged after refrigerant be supplied to and close space, muffler is configured to separate the refrigerant closed in space with the lubricating oil centrifugation closed in space.
Description
Technical field
The utility model relates to compressors, drive to press refrigerant by mechanism portion more particularly to having
The compressor of the compression mechanical part of contracting.
Background technique
Rotary compressor has closed container, mechanism portion, compression mechanical part and connection mechanism portion and pressure
The axis of contracting mechanism part (referring for example to patent document 1).Be provided in closed container mechanism portion, compression mechanical part and
Axis.Axis is rotated by the rotor rotation of mechanism portion.Here, the oil stream for lubricating oil flow is formed in the inside of axis
Road, in addition, being provided with the pump for importing lubricating oil to the oil stream road in axis.If axis rotates, by the effect of pump, it is stored in closed
The lubricating oil of the bottom of container is fed to the oil stream road of axis.Lubricating oil after being fed to oil stream road is supplied to compression mechanical part
It gives.
Patent document 1: Japanese Unexamined Patent Publication 2012-202215 bulletin
If compressor high capacity, the flow for the refrigerant being correspondingly discharged from compressor increases.If being arranged from compressor
The flow of refrigerant out increases, then the lubricating oil in closed container is easy together with refrigerant via discharge pipe to closed container
Outer outflow.Lubricating oil realizes the effect for inhibiting to constitute the mutual abrasion of component of compression mechanical part.Therefore, if lubricating oil is to closed
It is flowed out outside container, then will lead to the breakage of compression mechanical part, cause reduction and the freezing cycle device of the reliability of compressor
Running efficiency reduction.
Utility model content
The utility model is to complete to solve the above-mentioned problems, and main purpose is to provide a kind of inhibition and is stored in
The compressor that lubricating oil in closed container is flowed out out of closed container to outside closed container.
Compressor involved in the utility model has: closed container；Mechanism portion, the mechanism portion include fixed
The rotor of son and the inside for being configured at stator, and be set in closed container；Drive shaft, the one end of the drive shaft with it is electronic
Mechanism part connection；To the compression mechanical part that refrigerant is compressed, the compression mechanical part includes: the another side with drive shaft
The piston of connection；Store the cylinder body of piston；And it is formed with the first discharge port of the discharge intracorporal refrigerant of cylinder and supports driving
The bearing of the another side of axis；And muffler, the muffler is set to bearing, and covers first discharge port, in bearing
Be formed between end face and muffler and close space, from first discharge port be discharged after refrigerant be supplied to and close space, noise reduction
Device is configured to separate the refrigerant closed in space with the lubricating oil centrifugation closed in space.
Preferably, the muffler includes: spiral helicine primary flow path；The first affluent-dividing branched out from the primary flow path
Road；The second outlet of simultaneously discharging refrigerant is connect with first branch flow passage；Second point branched out from the primary flow path
Zhi Liulu；And it is connect with second branch flow passage and the third discharge from the lubricating oil after refrigerant centrifuge separation is discharged
Mouthful, a side of the primary flow path connect with the space of closing, another party of the primary flow path and first branch flow passage and
The second branch flow passage connection.
Preferably, the distance ratio of the drive shaft is exported to from the third outlet to the driving from the second row
The distance of axis is short.
Preferably, the muffler includes: the inner circumferential extended from the compression mechanical part side to the mechanism portion side
Face；And the opposed faces in face of the bearing, the space of closing is by the end face of the bearing, the inner peripheral surface and described opposed
Face is formed, and the suction inlet connected for a side of the primary flow path is formed in the opposed faces.
Preferably, the muffler includes the flange for being set to top, is formed in the flange: second affluent-dividing
Road；The third outlet；And it is formed in the first face of the end of second branch flow passage, first face is formed as making
The flow direction of the lubricating oil of the end of second branch flow passage becomes horizontal direction or is formed so that described second
The lubricating oil of the end of branch flow passage is towards downside.
Preferably, the flange includes the second face, and second face is formed in the end of second branch flow passage, and with
The first face connection, second face are parallel with the drive shaft and radial parallel with the muffler.
Preferably, the muffler includes: the shell of tubular, and the shell includes the periphery for being formed with spiral helicine slot
Face；And the ring-shaped article of tubular, the ring-shaped article includes the inner peripheral surface with the periphery face contact of the shell, and stores institute
Shell is stated, the primary flow path is located between the outer peripheral surface of the shell and the inner peripheral surface of the ring-shaped article, and edge
The spiral helicine slot formed.
Preferably, the shell includes the opposed faces in face of the bearing, the end face for closing space by the bearing, institute
The inner peripheral surface and the opposed faces for stating ring-shaped article are formed, and are formed with the side company for the primary flow path in the opposed faces
The suction inlet connect.
Preferably, the shell includes the flange being set on the end of the ring-shaped article, is formed in the flange: institute
State the second branch flow passage；The third outlet；And it is formed in the first face of the end of second branch flow passage, described
It is formed so that the flow direction of the lubricating oil of the end of second branch flow passage becomes horizontal direction or is formed as on one side
So that the lubricating oil of the end of second branch flow passage is towards downside.
Preferably, the flange includes the second face, and second face is formed in the end of second branch flow passage, and with
The first face connection, second face are parallel with the drive shaft and radial parallel with the shell.
Preferably, the closed container includes the center vessel for the fixed tubular of the stator, second outlet
Towards the center vessel.
Preferably, the muffler includes: the shell of tubular, and the shell includes the periphery for being formed with spiral helicine slot
Face；The ring-shaped article of tubular, the ring-shaped article includes the inner peripheral surface with the periphery face contact of the shell, and stores the shell
Body；And spiral helicine primary flow path, the primary flow path are located in the described of the outer peripheral surface of the shell and the ring-shaped article
Between inner peripheral surface, and formed along the spiral helicine slot.
The compressor according to involved in the utility model, due to having above structure, be able to suppress be stored in it is closed
Lubricating oil in container flows out this case out of closed container to outside closed container.
Detailed description of the invention
Fig. 1 is the integrally-built longitudinal section view for showing compressor 100 involved in embodiment.
Fig. 2 is the enlarged drawing on compression mechanical part 3 shown in FIG. 1 and its periphery.
Fig. 3 is the enlarged drawing of the bottom of compressor 100 shown in FIG. 1.
Fig. 4 is the explanatory diagram of the spring of blade and pressing blade.
Fig. 5 is by the top muffler 50 of compressor 100 involved in embodiment to be decomposed into shell 51 and ring-shaped article
Perspective view shown in 52 state.
Fig. 6 is the perspective view of shell 51.
Fig. 7 is the top view of shell 51.
Fig. 8 is the bottom view of shell 51.
Fig. 9 is the side view of shell 51.
Figure 10 is the longitudinal section view of the top muffler 50 of compressor 100 involved in embodiment.
Figure 11 is the schematic diagram for being illustrated to the flow path for being formed in top muffler 50.
Specific embodiment
Hereinafter, being illustrated referring to embodiment of the attached drawing to the indoor unit of air-conditioning device involved in the utility model.
In addition, the utility model is not limited by embodiments described below.In addition, including Fig. 1, in the following figures,
There is a situation where that the size relation of each component parts is different from practical structures.
Embodiment
Fig. 1 is the integrally-built longitudinal section view for showing compressor 100 involved in embodiment.
Fig. 2 is the enlarged drawing on compression mechanical part 3 shown in FIG. 1 and its periphery.
Fig. 3 is the enlarged drawing of the bottom of compressor 100 shown in FIG. 1.
Fig. 4 is the explanatory diagram of the spring of blade and pressing blade.
Compressor 100 have closed container 1, inhaling silencer 5, top suction line 6, lower part suction line 7, discharge pipe 8 with
And fuel feed pump 44.In addition, compressor 100 has mechanism portion 2, compression mechanical part 3, top muffler 50 and lower part noise reduction
Device 41.Top muffler 50 is corresponding with the muffler in the utility model.
As shown in Figure 1, being accommodated with mechanism portion 2 and compression mechanical part 3 in closed container 1.In closed container 1
Bottom storage have the lubricating oil 4 being lubricated to compression mechanical part 3.Closed container 1 has: the center vessel of cylindrical shape
11；It is fixed on the upper container 12 on the top of center vessel 11；And it is fixed on the lower container 13 of the lower part of center vessel 11.In
The opening portion on the top of container 11 is entreated to be embedded with upper container 12.The inner peripheral surface of center vessel 11 be fixed with mechanism portion 2 and
Compression mechanical part 3.Lower container 13 is embedded in the opening portion of the lower part of center vessel 11.It is connected with and air-breathing in center vessel 11
The top suction line 6 that silencer 5 connects and the lower part suction line 7 being connect with inhaling silencer 5.Discharge is connected in upper container 12
Pipe 8.Top suction line 6 and lower part suction line 7 are for freezing via inhaling silencer 5 towards 3 supply gas of compression mechanical part
The piping of agent.Discharge pipe 8 is to connect for will be expelled to by the compressed gas refrigerant of compression mechanical part 3 with discharge pipe 8
Such as the piping of refrigerant piping.
Mechanism portion 2 has the rotor 22 for being fixed on the stator 21 of center vessel 11 and being set to the inside of stator 21.
Rotor 22 is connect with drive shaft 23.Drive shaft 23 is for example arranged in the mode parallel with up and down direction.The one end of drive shaft 23
It is connect with the rotor 22 of mechanism portion 2.The another side of drive shaft 23 is supported by upper bearing 38 and lower bearing 39
It rotates freely.Upper bearing 38 is corresponding with the bearing in the utility model.
Oily access 23e, oily inlet hole 23a, oil supply hole 23c and oily supply hole 23d are formed in drive shaft 23.In oil
Access 23e, oily inlet hole 23a, oil supply hole 23c and oil supply hole 23d flowing have lubricating oil.As shown in Fig. 2, oily access
23e is formed in the axle center part of drive shaft 23.Oily access 23e is provided with spiral helicine centrifugal pump 23b.As shown in figure 3, oil sucking
Hole 23a is formed in the lower end of drive shaft 23.Oily inlet hole 23a is the opening for being taken into lubricating oil to oily access 23e.Oil
Supply hole 23c and oil supply hole 23d is connected to oil access 23e.Oily supply hole 23c is the lubricating oil that bearing 38 supplies toward upper
Access.Oily supply hole 23d is the access of the lubricating oil supplied towards lower bearing 39.Drive shaft 23 have eccentric part 23A1 and
Eccentric part 23A2.Upper piston 33 is fixed in eccentric part 23A1.Lower piston 34 is fixed in eccentric part 23A2.
Fuel feed pump 44 is the piping for supplying the lubricating oil 4 for the bottom for being stored in closed container 1 to drive shaft 23.Fuel feed pump
44 are configured at the downside of drive shaft 23.Fuel feed pump 44 penetrates through lower part in a manner of extending from 23 side of drive shaft to lower 13 side of container
Muffler 41 is arranged.As shown in Fig. 2, fuel feed pump 44 includes planar portions 44a.Planar portions 44a is set to the one end of fuel feed pump 44.
Planar portions 44a is fixed between lower bearing 39 and lower silencer 41.In addition, planar portions 44a and drive in fuel feed pump 44
Gap Sp is formed between the lower end of moving axis 23.Therefore, even if drive shaft 23 rotates, fuel feed pump 44 does not also rotate.Fuel feed pump
44 are connected to via gap Sp with oily inlet hole 23a.If centrifugal pump 23b rotates together with drive shaft 23, lubricating oil 4 such as arrow
Attracted like that into fuel feed pump 44 shown in Z.Lubricating oil after being attracted in fuel feed pump 44 is by logical from oily inlet hole 23a to oil
Road 23e attracts.The diameter of fuel feed pump 44 is defined as so that being able to carry out optimal confession in the high speed rotation of mechanism portion 2
Oil.That is, the diameter of fuel feed pump 44 is less than the diameter of the oily inlet hole 23a of drive shaft 23.Lubricating oil is easy by from fuel feed pump as a result,
44 attract to drive shaft 23.That is, the lubricating oil 4 of the bottom of closed container 1 can will be stored in steadily to compression mechanical part 3
Supply.
Compression mechanical part 3 is, for example, rotary.Compression mechanical part 3 is configured at the downside of mechanism portion 2.Compression mechanical part
3 are fixed on center vessel 11.The lower part of compression mechanical part 3 is provided with fuel feed pump 44.Space A is formed in closed container 1,
Space A is formed between mechanism portion 2 and compression mechanical part 3.Compression mechanical part 3 has upper cylinder 31, lower cylinders
32, upper piston 33, lower piston 34, upper blade 35, lower blade 36, demarcation plate 37, upper bearing 38 and lower part axis
Hold 39.
Upper cylinder 31 and for example cylindrical shape of lower cylinders 32.Upper cylinder 31 and lower cylinders 32 relative to
Drive shaft 23 is eccentric.That is, the axle center of the central axis of upper cylinder 31 and the central axis of lower cylinders 32 relative to drive shaft 23
Offset.Upper piston 33 is accommodated in upper cylinder 31.As shown in Figure 1 and Figure 2, it is formed in upper cylinder 31 to refrigeration
The top compression room PR1 that agent is compressed.Upper piston 33 is set to top compression room PR1.Upper cylinder 31 is formed with top
Suction inlet 42.On top, suction inlet 42 is connected with top suction line 6.Lower piston 34 is accommodated in lower cylinders 32.Such as figure
Shown in 1 and Fig. 2, the lower part discharge chambe PR2 compressed to refrigerant is formed in lower cylinders 32.Lower piston 34 is arranged
In lower part discharge chambe PR2.Lower cylinders 32 are formed with lower part suction inlet 43.In lower part, suction inlet 43 is connected with lower part suction line
7。
Top compression room PR1 is by the inner peripheral surface of upper cylinder 31, the lower end surface of upper bearing 38 and demarcation plate 37
The space that upper surface surrounds.Lower part discharge chambe PR2 be by the inner peripheral surface of lower cylinders 32, the upper surface of lower bearing 39 and
The space that the lower end surface of demarcation plate 37 surrounds.
Upper bearing 38 is set to the top of the upper surface of upper cylinder 31.The upper end of upper bearing 38 and upper cylinder 31
Face contact.Upper bearing 38 and lower bearing 39 are cylindrical in shape, so as to be inserted into for drive shaft 23.In the formation of upper bearing 38
There is the upper gas hole (illustration omitted) being connected to top compression room PR1 and will be discharged by the refrigerant behind the upper gas hole
Outlet O1.Outlet O1 is corresponding with the first discharge port in the utility model.Upper bearing 38 is provided with top noise reduction
Device 50.Lower bearing 39 is provided with lower silencer 41.It is formed in upper bearing 38 in face of the end face of top muffler 50
38A.In end face, 38A is provided with outlet O1.In addition, being formed with the lower part being connected to lower part discharge chambe PR2 in lower bearing 39
Gas orifice (illustration omitted) and the outlet O4 that will be discharged by the refrigerant behind the lower gas hole.Upper bearing 38 with
The mode of the upper end face contact of upper cylinder 31 is arranged, and upper bearing 38 blocks the opening of the upside of upper cylinder 31.In addition,
Lower bearing 39 is arranged in a manner of the lower end face contact with lower cylinders 32, and lower bearing 39 blocks under lower cylinders 32
The opening of side.Demarcation plate 37 is sandwiched between the lower end surface of upper cylinder 31 and the upper surface of lower cylinders 32,37 envelope of demarcation plate
The opening of the downside of stifled upper cylinder 31 and the opening for the upside for blocking lower cylinders 32.
Upper piston 33 and lower piston 34 are embedded in drive shaft 23.Upper piston 33 and lower piston 34 are set as phase
It is eccentric for the axle center of drive shaft 23.It is rotated by drive shaft 23, upper piston 33 and lower piston 34 also rotate.Such as Fig. 4
Shown, upper blade 35 is contacted with upper piston 33, and lower blade 36 is contacted with lower piston 34.Upper blade 35 is by top
The effect of elastomer 35A is pressed against upper piston 33.Lower blade 36 is pressed against down by the effect of lower elastomers 36A
Portion's piston 34.
Fig. 5 is by the top muffler 50 of compressor 100 involved in embodiment to be decomposed into shell 51 and ring-shaped article
Perspective view shown in 52 state.
Fig. 6 is the perspective view of shell 51.In addition, arrow AR indicates the gas refrigerant including lubricating oil in Fig. 6
Flowing, arrow AR1 indicate from gas refrigerant be centrifuged after lubricating oil flowing, arrow AR2 indicate lubricating oil quilt
The flowing of gas refrigerant after centrifuge separation.
Top muffler 50 has disappearing for the sound generated when inhibiting from the outlet O3 discharging refrigerant of upper bearing 38
Sound function and the function of separating refrigerant with lubricating oil centrifugation.Top muffler 50 is formed with the discharge of discharge gas refrigerant
Mouthful O2 and discharge from gas refrigerant be centrifuged after lubricating oil outlet O3.In outlet O2 and the utility model
Second outlet is corresponding.Outlet O3 is corresponding with the third outlet in the utility model.
Top muffler 50 is set to upper bearing 38.The outlet O1 of the covering upper bearing 38 of top muffler 50.?
Top muffler 50 is installed in the state of upper bearing 38, between top muffler 50 and the end face 38A of upper bearing 38
It is formed with and closes space B.From outlet O1 be discharged after refrigerant and from outlet O1 be discharged after lubricating oil be supplied to
To closing space B.In addition, from outlet O4 be discharged after refrigerant and from outlet O4 be discharged after lubricating oil by passing through
Lead to the gas orifice of lower bearing 39 etc. and is supplied to and closes space B.Closing space B is by top muffler 50 and upper bearing 38
The space that end face 38A is surrounded.In more detail, the inner peripheral surface that space B is opposed faces 51F by shell 51, ring-shaped article 52 is closed
The space that the end face 38A of 52S1 and upper bearing 38 is surrounded.
Top muffler 50 is, for example, cartridge.Top muffler 50 has shell 51 and ring-shaped article 52.Shell 51 is
It is formed with the cartridge of opening portion 51A.Shell 51 includes opening portion 51A, flange 51B1 and main part 51B2.In flange
Both 51B1 and main part 51B2 are formed with spiral helicine slot 51C.Since top muffler 50 has spiral helicine slot 51C,
Therefore top muffler 50 can be separated from refrigerant by lubricating oil centrifugation.
In opening portion, 51A is inserted with upper bearing 38 and drive shaft 23.In addition, making inner peripheral surface and the top of shell 51
Bearing 38 contacts, and not generate gap between the inner peripheral surface and upper bearing 38 of shell 51.Thereby, it is possible to press down
It makes the refrigerant for closing space B and lubricating oil and leaks this case from opening portion 51A to space A.
Flange 51B1 is set to the upper end of main part 51B2.Flange 51B1 and main part 51B2 is cartridge.It is convex
Edge 51B1 is formed with the first face 51B11, the second face 51B12 (referring to Fig. 9) and flow path forming portion 51B13.In top muffler
50 are installed in the state of upper bearing 38, and the first face 51B11 is parallel to the horizontal plane or at the center from top muffler 50
Axis tends to roll downwards on the direction of outer peripheral surface 51S2 oblique.If slot of the lubricating oil from the slot 51C of main part 51B2 to flange 51B1
51C flows over then to reach the first face 51B11.If lubricating oil reaches the first face 51B11, the flow direction of lubricating oil becomes water
Square to.In this way, the first face 51B11 has the function of changing the flow direction of lubricating oil.That is, the first face 51B11 inhibits lubrication
Oil is released this case from outlet O3 upwards.
In the state that on top, muffler 50 is installed on upper bearing 38, the second face 51B12 it is parallel with drive shaft 23 and with
Shell 51 it is radial parallel.Along the circumferential flow of shell 51 if lubricating oil reaches flow path forming portion 51B13.Then, if lubrication
Oil reaches the second face 51B12, then it is radial that the flow direction of lubricating oil changes from the circumferential direction of shell 51.In this way, the second face 51B12
Have the function of changing the flow direction of lubricating oil.Top muffler 50 is formed with the second face 51B12, and thus, it is possible to inhibit to lubricate
This case that oil turns round in closed container 1.
Flow path forming portion 51B13 is formed as in face of the first face 51B11 and the second face 51B12.
Upper surface 51S1 is formed in main part 51B2.In upper surface, 51S1 is formed with outlet O2.The shape of outlet O2
It is identical as the item number of slot 51C at quantity.In embodiments, outlet O2 there are two being formed in upper surface 51S1.Outlet O2
Direction towards closed container 1 center vessel 11 (referring to Fig.1).As shown in figure 5, direction and the direction vector of outlet O2
Dr is consistent.When direction vector Dr is extended to the inner peripheral surface of center vessel 11, the inner peripheral surface of direction vector Dr and center vessel 11
Form acute angle.Even if gas refrigerant from top muffler 50 after being discharged as a result, also along center vessel 11
Circumferential surface flowing, forms rotary current in closed container 1.Thus, even if including from the gas refrigerant that outlet O2 is discharged
Lubricating oil can also be separated from gas refrigerant by lubricating oil centrifugation.
Outer peripheral surface 51S2 is formed in main part 51B2.Spiral helicine slot 51C is formed in outer peripheral surface 51S2.Slot 51C shape
As the circumferential direction and the extension of upper direction in outer peripheral surface 51S2.2 bar groove 51C are formed in main part 51B2.In addition, slot 51C exists
Main part 51B2 can be simply formed with 1, also could be formed with 3 or more.
Opposed faces 51F is formed in main part 51B2.It is right in the state that on top, muffler 50 is installed on upper bearing 38
Set end face 38A of the face 51F towards upper bearing 38.
Ring-shaped article 52 is cartridge.The main part 51B2 of shell 51 is accommodated in ring-shaped article 52.At the end of ring-shaped article 52
The flange 51B1 of shell 51 is provided in portion.Specifically, in the state that top muffler 50 is installed on upper bearing 38, ring
The lower end face contact of the flange 51B1 of the upper end and shell 51 of shape part 52.Ring-shaped article 52 is formed with inner peripheral surface 52S1 and periphery
Face 52S2.Inner peripheral surface 52S1 is contacted with the outer peripheral surface 51S2 of shell 51.That is, the outer peripheral surface 51S2 in shell 51 is covered with ring-type
Part 52, the opening portion of slot 51C is closed as a result,.As a result, being formed along slot 51C for refrigerant and the flow path of lubricating oil flow.
It is illustrated in Figure 10 that the flow path will be described below.
Fig. 7 is the top view of shell 51.
Fig. 8 is the bottom view of shell 51.
As shown in fig. 7, the outlet O2 of a side and the outlet O2 of another party are configured centered on the central axis of shell 51
In the position of 180 degree.In addition, as shown in figure 8, the outlet O3 of a side and the outlet of another party are with the central axis of shell 51
Centered on be configured at the position of 180 degree.
As shown in figure 8, being formed with suction inlet O5 in shell 51.Suction inlet O5 is located at the lower end of slot 51C.Close space B
Refrigerant and the lubricating oil for closing space B flow into slot 51C from suction inlet O5.The forming quantity of suction inlet O5 and the item number of slot 51C
Unanimously.Suction inlet O5 is formed in opposed faces 51F.
It is shorter than from outlet O3 to the distance of drive shaft 23 from outlet O2 to the distance of drive shaft 23.As shown in fig. 7, from
The distance in outlet O2 to the axle center of drive shaft 23 can be indicated with distance Dst1.In addition, as shown in figure 8, from outlet O3 to
The distance in the axle center of drive shaft 23 can be indicated with distance Dst2.Here, about top muffler 50, distance Dst1 ratio distance
Dst2 is short.That is, outlet O3 is located at the position than outlet O2 in the outer part.Divide as a result, from gas refrigerant by lubricating oil centrifugation
From effect improve.
Fig. 9 is the side view of shell 51.
Figure 10 is the longitudinal section view of the top muffler 50 of compressor 100 involved in embodiment.In addition, Figure 10 is figure
A-A cross-sectional view shown in 9.
Figure 11 is the schematic diagram for being illustrated to the flow path for being formed in top muffler 50.Figure 11 is shown and Figure 10
Same vertical section, but for ease of description, about shell 51, hatching is not shown.
Top muffler 50 include spiral helicine primary flow path FP, branched out from primary flow path FP the first branch flow passage FP1, with
And the outlet O2 of simultaneously discharging refrigerant is connect with the first branch flow passage FP1.In addition, top muffler 50 includes from primary flow path
It the second branch flow passage FP2 that FP is branched out and connect and is discharged with the second branch flow passage FP2 and be centrifugated out from refrigerant
The outlet O3 of lubricating oil.
Primary flow path FP is formed between slot 51C and the inner peripheral surface 52S1 of ring-shaped article 52.A side of primary flow path FP and close space
B connection.In addition, another party of primary flow path FP connect with the first branch flow passage FP1 and the second branch flow passage FP2.
First branch flow passage FP1 is formed at the through hole in shell 51.First branch flow passage FP1 is different from slot 51C
Structure.First branch flow passage FP1 is the flow path for penetrating through the upper surface 51S1 of outer peripheral surface 51S2 and shell 51 of shell 51.That is,
A side of first branch flow passage FP1 connect with the slot 51C of outer peripheral surface 51S2.In addition, another party of the first branch flow passage FP1 with it is upper
The outlet O2 connection of end face 51S1.That is, the first branch flow passage FP1 is formed at than the second branch flow passage FP2 by shell 51
The flow path of the position of central axis side.
It will be known as branch portion from the part that primary flow path FP branches out the first branch flow passage FP1 and the second branch flow passage FP2
Br.Second branch flow passage FP2 is formed in the position more upper than branch portion Br.Second branch flow passage FP2 by slot 51C a part
It is formed.That is, slot 51C forms both primary flow path FP and the second branch flow passage FP2.Second branch flow passage FP2 is formed in flange
Both 51B1 and main part 51B2.
First face 51B11 is formed so that the flow direction of the lubricating oil of the end of the second branch flow passage FP2 becomes level
Direction or be formed so that the second branch flow passage FP2 end lubricating oil towards downside.Compressor 100 can press down as a result,
Lubricating oil processed is released this case from outlet O3 upwards, and lubricating oil can efficiently be made to be back to the bottom of closed container 1
Portion.
Second face 51B12 is formed in the end of the second branch flow passage FP2.Second face 51B12 is connect with the first face 51B11.
Second face 51B12 is parallel with drive shaft 23 and radial parallel with shell 51.Compressor 100 is able to suppress lubricating oil and exists as a result,
Revolution this case, can efficiently make lubricating oil be back to the bottom of closed container 1 in closed container 1.
About the refrigerant after being discharged from outlet O1, it is supplied to and is closed by the compressed refrigerant of compression mechanical part 3
Space B flows into primary flow path FP later.Here, it is narrow to close space B for primary flow path FP ratio, thus correspondingly fluid resistance increases.Therefore,
Top muffler 50 can obtain the effect of sound when inhibiting from outlet O1 discharging refrigerant.
Next, being illustrated to the movement of the compressor 100 of embodiment.
The lubricating oil 4 for the bottom being stored in closed container 1 by the centrifugal pump 23b rotated together with drive shaft 23 work
It is imported with and via fuel feed pump 44 into oily inlet hole 23a.Lubricating oil after being imported into oily inlet hole 23a is supplied from oil
Hole 23c is supplied between upper bearing 38 and drive shaft 23.In addition, the lubricating oil quilt after being imported into oily inlet hole 23a
Supply is between upper bearing 38 and the upper surface of upper piston 33.In addition, the lubrication after being imported into oily inlet hole 23a
Oil is supplied between lower bearing 39 and drive shaft 23 from oily supply hole 23d.Moreover, after being imported into oily inlet hole 23a
Lubricating oil be supplied between lower bearing 39 and the lower surface of lower piston 34.By supplying lubricating oil, drive shaft 23 is suitable
Freely rotate.In addition, though illustration omitted, but lubrication is also supplied with from drive shaft 23 to upper blade 35 and lower blade 36
Oil.
If drive shaft 23 rotates, upper piston 33 and lower piston 34 also rotate.Upper piston 33 and upper blade
35 contacts, therefore upper piston 33 carries out eccentric motion.In addition, lower piston 34 is contacted with lower blade 36, therefore lower part is living
Plug 34 carries out eccentric motion.At this point, upper blade 35 and lower blade 36 carry out piston operation.Gas refrigerant is via top
Suction line 6 and lower part suction line 7 are supplied to top compression room PR1 and lower part discharge chambe PR2 in compression mechanical part 3.
Gas refrigerant in the PR1 of top compression room is compressed along with the rotation of upper piston 33.The gas of lower part discharge chambe PR2
Refrigerant is compressed along with the rotation of lower piston 34.At this point, the refrigerant in the PR1 of top compression room has been mixed into profit
Lubricating oil.Refrigerant in the discharge chambe PR2 of lower part has also been mixed into lubricating oil.Therefore, in compression mechanical part 3, lubricating oil also with
Refrigerant is compressed together, and refrigerant and lubricating oil become mixed gas.
The mixed gas is discharged from outlet O1 and outlet O4.From outlet O1 be discharged after mixed gas quilt
Supply closes space B to top muffler 50.Mixed gas after being discharged from outlet O4 is supplied to lower silencer 41
Close space.The mixed gas closed behind space for being discharged to lower silencer 41 passes through perforation lower bearing 39, lower cylinders
32, the gas orifice (illustration omitted) of demarcation plate 37, upper cylinder 31 and upper bearing 38 and be supplied to top muffler 50
Close space B.
About being discharged to the mixed gas after closing space B, during top muffler 50 flows, lubricating oil quilt
It is centrifugated from gas refrigerant.Gas refrigerant is discharged to space A from outlet O2.Gas refrigerant is in closed container 1
Space A in form rotary current.The space that lubricating oil is expelled in closed container 1 from outlet O3 returns to closed container 1
Bottom.
The gas refrigerant turned round in the A of space respectively by be set to rotor 22 gas orifice 22a and stator 21 with
Air gap 2a between rotor 22 and reach the top in closed container 1.Gas refrigerant after reaching the top in closed container 1
It is discharged from discharge pipe 8 to outside closed container 1.
Description of symbols:
1: closed container；2: mechanism portion；2a: air gap；3: compression mechanical part；4: lubricating oil；5: inhaling silencer；6:
Top suction line；7: lower part suction line；8: discharge pipe；11: center vessel；12: upper container；13: lower container；21: stator；22:
Rotor；22a: gas orifice；23: drive shaft；23A1: eccentric part；23A2: eccentric part；23a: oily inlet hole；23b: centrifugal pump；
23c: oily supply hole；23d: oily supply hole；23e: oily access；31: upper cylinder；32: lower cylinders；33: upper piston；34:
Lower piston；35: upper blade；35A: Upper elastomeric；36: lower blade；36A: lower elastomers；37: demarcation plate；
38: upper bearing；38A: end face；39: lower bearing；41: lower silencer；42: top suction inlet；43: lower part suction inlet；
44: fuel feed pump；44a: planar portions；50: top muffler；51: shell；51A: opening portion；51B1: flange；51B11: the first face；
51B12: the second face；51B13: flow path forming portion；51B2: main part；51C: slot；51F: opposed faces；51S1: upper surface；
51S2: outer peripheral surface；52: ring-shaped article；52S1: inner peripheral surface；52S2: outer peripheral surface；100: compressor；A: space；B: space is closed；Br:
Branch portion；Dr: direction vector；Dst1: distance；Dst2: distance；FP: primary flow path；FP1: the first branch flow passage；FP2: the second point
Zhi Liulu；O1: outlet；O2: outlet；O3: outlet；O4: outlet；O5: suction inlet；PR1: top compression room；PR2:
Lower part discharge chambe；Sp: gap.
Claims (16)
1. a kind of compressor, has:
Closed container；
Mechanism portion, the mechanism portion include the rotor of stator with the inside for being configured at the stator, and are set to institute
It states in closed container；
Drive shaft, the one end of the drive shaft are connect with the mechanism portion；And
To the compression mechanical part that refrigerant is compressed, the compression mechanical part includes: to connect with the another side of the drive shaft
The piston connect；Store the cylinder body of the piston；And it is formed with the first discharge port and branch that the intracorporal refrigerant of cylinder is discharged
The bearing of the another side of the drive shaft is held,
The compressor is characterized in that,
Having muffler, the muffler is set to the bearing, and covers the first discharge port,
Be formed between the end face and the muffler of the bearing and close space, from the first discharge port be discharged after system
Cryogen closes space described in being supplied to,
The muffler is configured to separate the refrigerant closed in space with the lubricating oil centrifugation closed in space.
2. compressor according to claim 1, which is characterized in that
The muffler includes: spiral helicine primary flow path；The first branch flow passage branched out from the primary flow path；With described first
Second outlet of branch flow passage connection and discharging refrigerant；The second branch flow passage branched out from the primary flow path；And with
Second branch flow passage connects and is discharged the third outlet from the lubricating oil after refrigerant centrifuge separation,
One side of the primary flow path connect with the space of closing,
Another party of the primary flow path connect with first branch flow passage and second branch flow passage.
3. compressor according to claim 2, which is characterized in that
The distance for being exported to the drive shaft from the second row is shorter than the distance from third outlet to the drive shaft.
4. compressor according to claim 2 or 3, which is characterized in that
The muffler includes: the inner peripheral surface extended from the compression mechanical part side to the mechanism portion side；And it faces
The opposed faces of the bearing,
The space of closing is formed by the end face of the bearing, the inner peripheral surface and the opposed faces,
The suction inlet connected for a side of the primary flow path is formed in the opposed faces.
5. compressor according to claim 2 or 3, which is characterized in that
The muffler includes the flange for being set to top,
It is formed in the flange: second branch flow passage；The third outlet；And it is formed in second affluent-dividing
First face of the end on road,
First face be formed so that the lubricating oil of the end of second branch flow passage flow direction become horizontal direction,
Or be formed so that second branch flow passage end lubricating oil towards downside.
6. compressor according to claim 4, which is characterized in that
The muffler includes the flange for being set to top,
It is formed in the flange: second branch flow passage；The third outlet；And it is formed in second affluent-dividing
First face of the end on road,
First face be formed so that the lubricating oil of the end of second branch flow passage flow direction become horizontal direction,
Or be formed so that second branch flow passage end lubricating oil towards downside.
7. compressor according to claim 5, which is characterized in that
The flange includes the second face, and second face is formed in the end of second branch flow passage, and with first face
Connection,
Second face is parallel with the drive shaft and radial parallel with the muffler.
8. compressor according to claim 6, which is characterized in that
The flange includes the second face, and second face is formed in the end of second branch flow passage, and with first face
Connection,
Second face is parallel with the drive shaft and radial parallel with the muffler.
9. compressor according to claim 2 or 3, which is characterized in that
The muffler includes:
The shell of tubular, the shell include the outer peripheral surface for being formed with spiral helicine slot；And
The ring-shaped article of tubular, the ring-shaped article include the inner peripheral surface with the periphery face contact of the shell, and described in storage
Shell,
The primary flow path is formed between the outer peripheral surface of the shell and the inner peripheral surface of the ring-shaped article, and along institute
State the spiral helicine slot of shell.
10. compressor according to claim 9, which is characterized in that
The shell includes the opposed faces in face of the bearing,
The space of closing is formed by the end face of the bearing, the inner peripheral surface of the ring-shaped article and the opposed faces,
The suction inlet connected for a side of the primary flow path is formed in the opposed faces.
11. compressor according to claim 9, which is characterized in that
The shell includes the flange being set on the end of the ring-shaped article,
It is formed in the flange: second branch flow passage；The third outlet；And it is formed in second affluent-dividing
First face of the end on road,
First face be formed so that the lubricating oil of the end of second branch flow passage flow direction become horizontal direction,
Or be formed so that second branch flow passage end lubricating oil towards downside.
12. compressor according to claim 10, which is characterized in that
The shell includes the flange being set on the end of the ring-shaped article,
It is formed in the flange: second branch flow passage；The third outlet；And it is formed in second affluent-dividing
First face of the end on road,
First face be formed so that the lubricating oil of the end of second branch flow passage flow direction become horizontal direction,
Or be formed so that second branch flow passage end lubricating oil towards downside.
13. compressor according to claim 11, which is characterized in that
The flange includes the second face, and second face is formed in the end of second branch flow passage, and with first face
Connection,
Second face is parallel with the drive shaft and radial parallel with the shell.
14. compressor according to claim 12, which is characterized in that
The flange includes the second face, and second face is formed in the end of second branch flow passage, and with first face
Connection,
Second face is parallel with the drive shaft and radial parallel with the shell.
15. compressor according to claim 2 or 3, which is characterized in that
The closed container includes the center vessel for the fixed tubular of the stator,
Second outlet is towards the center vessel.
16. compressor according to claim 1, which is characterized in that
The muffler includes:
The shell of tubular, the shell include the outer peripheral surface for being formed with spiral helicine slot；
The ring-shaped article of tubular, the ring-shaped article include the inner peripheral surface with the periphery face contact of the shell, and described in storage
Shell；And
Spiral helicine primary flow path, the primary flow path are formed in the outer peripheral surface of the shell and the inner circumferential of the ring-shaped article
Between face, and along the spiral helicine slot of the shell.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/003414 WO2018142466A1 (en) | 2017-01-31 | 2017-01-31 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364391U true CN208364391U (en) | 2019-01-11 |
Family
ID=63040311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201790000291.1U Expired - Fee Related CN208364391U (en) | 2017-01-31 | 2017-01-31 | Compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6758424B2 (en) |
| CN (1) | CN208364391U (en) |
| WO (1) | WO2018142466A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021079486A1 (en) * | 2019-10-25 | 2021-04-29 | 三菱電機株式会社 | Hermetic refrigerant compressor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4307945B2 (en) * | 2003-09-30 | 2009-08-05 | 三洋電機株式会社 | Horizontal rotary compressor |
| JP4810961B2 (en) * | 2005-10-13 | 2011-11-09 | ダイキン工業株式会社 | Compressor |
| JP5570917B2 (en) * | 2010-08-31 | 2014-08-13 | 三洋電機株式会社 | Rotary compressor |
| JP6134906B2 (en) * | 2013-04-16 | 2017-05-31 | パナソニックＩｐマネジメント株式会社 | Compressor |
-
2017
- 2017-01-31 JP JP2018565106A patent/JP6758424B2/en active Active
- 2017-01-31 CN CN201790000291.1U patent/CN208364391U/en not_active Expired - Fee Related
- 2017-01-31 WO PCT/JP2017/003414 patent/WO2018142466A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2018142466A1 (en) | 2019-11-07 |
| WO2018142466A1 (en) | 2018-08-09 |
| JP6758424B2 (en) | 2020-09-23 |
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| GR01 | Patent grant | ||
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Granted publication date: 20190111 |