CN110226041A - Hermetic type compressor - Google Patents
Hermetic type compressor Download PDFInfo
- Publication number
- CN110226041A CN110226041A CN201880008443.1A CN201880008443A CN110226041A CN 110226041 A CN110226041 A CN 110226041A CN 201880008443 A CN201880008443 A CN 201880008443A CN 110226041 A CN110226041 A CN 110226041A
- Authority
- CN
- China
- Prior art keywords
- oil
- rotary shaft
- bearing
- access
- type compressor
- 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.)
- Granted
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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
- 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
- F04C29/023—Lubricant distribution through a hollow driving shaft
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- 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
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
- F04C2240/00—Components
- F04C2240/60—Shafts
-
- 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
- F04C29/025—Lubrication; Lubricant separation using a lubricant pump
Abstract
Hermetic type compressor of the invention, rotary shaft oil supplying hole (13c) is formed in rotary shaft (13), there is oil groove (13f) and cross-drilled hole (13g) in the lower end (13b) of rotary shaft (13), plate side oil access (42) are formed in bearing disk (40), shell side oil access (51) are formed in oil pump case (50), on the top more top than oil groove (13f), by abutting the top of sliding bearing (13e) with rotary shaft (13), make to move downwards in oil groove (13f) from the lubricating oil that cross-drilled hole (13g) is supplied, the lubricating oil being located in oil groove (13f) is discharged in the lower section of supplementary bearing (18) via plate side oil access (42) and shell side oil access (51), thus, lubricating oil can be prevented to be discharged to the upper of supplementary bearing (18) Portion.
Description
Technical field
The present invention is more particularly directed to hermetic type compressors used in the refrigeration machines such as air conditioner, water heater, freezer.
Background technique
Hermetic type compressor is used in refrigerating plant or conditioner, hermetic type compressor sucking is steamed by evaporator
The gas refrigerant of hair, and gas refrigerant is compressed to and is carried out condensing required pressure with condenser, by the gas of high temperature and pressure
Cryogen passes out in refrigerant circuit.
Such hermetic type compressor, configuration is compressed the compression mechanical part of refrigerant and is driven by rotary shaft in closed container
The mechanism portion of dynamic compression mechanical part forms the store oil portion of lubrication oil in the bottom of closed container.The top of rotary shaft
It is supported by base bearing, lower part is supported by supplementary bearing.
The rotary shaft oil supplying hole from lower end to top is formed in rotary shaft, there is oil groove in the lower end of rotary shaft and will be revolved
The cross-drilled hole of rotation shaft feeding oil hole and oil groove connection.
It utilizes such structure, is guided by the lubricating oil that rotary shaft oil supplying hole will reside in the bottom of closed container to main shaft
It holds and supplementary bearing.
About the lubrication of supplementary bearing, one kind is disclosed in patent document 1 in pump cover and forms through hole, and makes to have lubricated countershaft
The lubricating oil held returns to the structure in store oil portion, and one kind is disclosed in patent document 2 in thrust plate and forms through hole, and makes to have lubricated
The lubricating oil of supplementary bearing returns to the structure in store oil portion.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 5-231357 bulletin
Patent document 2: Japanese Unexamined Patent Publication 11-182473 bulletin
Summary of the invention
Subject to be solved by the invention
But it when making to guide the top outflow to the lubricating oil of supplementary bearing from supplementary bearing, is lubricated because of the rotation of motor
Oil disperses, and the lubricating oil quantitative change being discharged to the outside from closed container is more.
In patent document 1 and patent document 2, although pair will be had lubricated by forming through hole in pump cover or thrust plate
The lubricating oil of bearing guides downwards, but flows out lubricating oil from the top of supplementary bearing.
Therefore, the purpose of the present invention is to provide can prevent the hermetic type on the top for making lubricating oil be discharged to supplementary bearing from compressing
Machine.
Means for solving the problems
The hermetic type compressor of the invention that 1st aspect is recorded, the compression configured with compression refrigerant in closed container
Mechanism part and the mechanism portion that compression mechanism section is driven using rotary shaft, are formed in the bottom of above-mentioned closed container and are used for
The store oil portion of lubrication oil, above-mentioned hermetic type compressor include: the base bearing for supporting the top of above-mentioned rotary shaft；It supports above-mentioned
The supplementary bearing of the lower end of rotary shaft；The sliding bearing being configured between above-mentioned supplementary bearing and above-mentioned rotary shaft；It is configured at above-mentioned
The bearing disk of the lower section of supplementary bearing, the above-mentioned rotary shaft of undertaking thrust；It is configured at the lower section of above-mentioned bearing disk
Oil pump case；With the oil pump of the positive displacement for the lower surface for being accommodated in above-mentioned oil pump case, wherein above-mentioned rotary shaft be formed with from
The rotary shaft oil supplying hole on the above-mentioned lower end of above-mentioned rotary shaft to the above-mentioned top of above-mentioned rotary shaft, in the above-mentioned of above-mentioned rotary shaft
Lower end includes the oil groove that the axial direction in above-mentioned rotary shaft is formed by notch；With by above-mentioned rotary shaft oil supplying hole and above-mentioned oil groove
The cross-drilled hole of connection is formed with the plate side oil access being intermittently connected to above-mentioned oil groove in above-mentioned bearing disk, in above-mentioned oil pump
Shell is formed with the shell side oil access being connected to above-mentioned plate side oil access, in the position for leaning on top than above-mentioned oil groove, by making
The top of above-mentioned sliding bearing is abutted with above-mentioned rotary shaft, make from above-mentioned cross-drilled hole supply above-mentioned lubricating oil in above-mentioned oil groove to
Lower section is mobile, makes the above-mentioned lubricating oil being located in above-mentioned oil groove via above-mentioned plate side oil access and above-mentioned shell side oil access upper
State the lower section discharge of supplementary bearing.
2nd aspect record the present invention, such as the 1st aspect record hermetic type compressor, it is characterised in that: in above-mentioned thrust
The oil storage room of shaft bearing plate being centrally formed with for storing the above-mentioned lubricating oil being discharged from above-mentioned oil pump makes above-mentioned plate side oil
Access is connected to above-mentioned oil storage room, and is formed extended at both sides from above-mentioned oil storage room in radial direction.
3rd aspect record the present invention, such as the 2nd aspect record hermetic type compressor, it is characterised in that: above-mentioned shell side
Oily access is by being formed in the inner side slot and outer side slot and the outboard end for being formed in above-mentioned outer side slot of the upper surface of above-mentioned oil pump case
Tap constitute, so that above-mentioned inner side slot is overlapped and is connected to above-mentioned plate side oil access, above-mentioned outer side slot is by above-mentioned thrust bearing
Plate covering.
4th aspect record the present invention, such as the 3rd aspect record hermetic type compressor, it is characterised in that: make to be pushed away by above-mentioned
The above-mentioned outer side slot of power shaft bearing plate covering is above-mentioned cross-drilled hole sectional area below.
5th aspect record the present invention, as the 3rd aspect or the 4th in terms of record hermetic type compressor, it is characterised in that:
Above-mentioned tap is formed in a manner of the above-mentioned upper and lower surface for penetrating through above-mentioned oil pump case.
Invention effect
According to the present invention, it on the top more top than oil groove, abuts the top of sliding bearing with rotary shaft, and makes from cross-drilled hole
The lubricating oil of supply is discharged to the lower section of supplementary bearing, the top that thus, it is possible to prevent from being discharged to supplementary bearing.
Detailed description of the invention
Fig. 1 is the longitudinal section of the hermetic type compressor of one embodiment of the present of invention.
Fig. 2 is the major part amplification sectional view of the compression mechanical part of Fig. 1.
Fig. 3 (a) is the top view of bearing disk used in the hermetic type compressor, is (b) hermetic type compressor
The top view of used oil pump case.
Specific embodiment
1st mode of the invention is formed with the rotary shaft on the top from the lower end of rotary shaft to rotary shaft in rotary shaft
Oil supplying hole includes the oil groove that the axial direction in rotary shaft is formed by notch in the lower end of rotary shaft；With by rotary shaft oil supplying hole and
The cross-drilled hole of oil groove connection, the plate side oil access being intermittently connected to oil groove is formed in bearing disk, is formed in oil pump case
Have the shell side oil access being connected to plate side oil access, in the position for leaning on top than oil groove, by make the top of sliding bearing with
Rotary shaft abuts, and moves the lubricating oil supplied from cross-drilled hole downwards in oil groove, makes the lubricating oil being located in oil groove via plate
Side oil access and shell side oil access are discharged in the lower section of supplementary bearing.Passed through according to the 1st mode on the top more top than oil groove
It abuts the top of sliding bearing with rotary shaft, and the lubricating oil supplied from cross-drilled hole is made to be discharged to the lower section of supplementary bearing, Neng Goufang
Only it is discharged to the top of supplementary bearing.Therefore, because can prevent lubricating oil from dispersing from the top of supplementary bearing, so can make from close
It is few to close the lubricants capacity that container is discharged to the outside.
2nd mode of the invention, on the basis of 1 mode, bearing disk be centrally formed with for store from
The oil storage room of the lubricating oil of oil pump discharge, is connected to plate side oil access with oil storage room, and exist from oil storage room
Radial direction is formed extended at both sides.According to the 2nd mode, about from oil pump via the lower end of rotary shaft periphery and oil pump case
The lubricating oil that bearing disk is flowed directly between centre bore is directed to plate side oil access.
3rd mode of the invention, on the basis of 2 mode, shell side oil access is by being formed in the upper surface of oil pump case
Inner side slot and outer side slot and be formed in the tap of outboard end of outer side slot and constitute, be overlapped inner side slot and plate side oil access
And be connected to, outer side slot is covered by bearing disk.According to the 3rd mode, it is easily drained the impurity for being mixed into oil storage room, and energy
The discharge rate of lubricating oil is enough adjusted using the depth of the outer side slot covered by bearing disk and groove width.
4th mode of the invention makes the outer side slot cross-drilled hole covered by bearing disk or less on the basis of 3 mode
Sectional area.According to the 4th mode, the lubricating oil supplied from cross-drilled hole can be made moderately to be maintained at supplementary bearing and bearing disk.
5th mode of the invention, on the basis of the 3rd or 4 mode, tap is to penetrate through the upper and lower surface of oil pump case
Mode formed.According to the 5th mode, the discharge rate of lubricating oil can be adjusted in outer side channel, therefore not need to maintain tap
Dimensional accuracy is easily drained lubricating oil.
(embodiment)
Illustrate the hermetic type compressor of one embodiment of the present of invention below.In addition, the present invention is not by following embodiment
It limits.
Fig. 1 is the longitudinal section of the hermetic type compressor of the present embodiment.
Configured with the electronic of the compression mechanical part 10 and driving compression mechanical part 10 for compressing refrigerant in closed container 1
Mechanism part 20.
Closed container 1 includes the stem portion 1a for being formed as cylindrical shape extended along up and down direction, closing stem portion 1a
The lower cover 1b of the lower openings of the upper cover 1c and closing stem portion 1a of upper opening.
Closed container 1 be provided with by refrigerant import compression mechanical part 10 refrigerant suction pipe 2 and will be by compressor
The refrigerant that structure portion 10 compresses is to the refrigerant discharge leader 3 being discharged except closed container 1.
Compression mechanical part 10 has fixed scroll 11 and convolution scroll 12.
The convolution driving convolution scroll 12 of rotary shaft 13.
Mechanism portion 20 includes the rotor 22 for being fixed on the stator 21 of closed container 1 and being configured at the inside of stator 21.
Rotary shaft 13 is fixed on rotor 22.The eccentric shaft 13a eccentric relative to rotary shaft 13 is formed in the upper end of rotary shaft 13.
The lower section of fixed scroll 11 and convolution scroll 12 is provided with supporting and fixing scroll 11 and convolution scroll
12 base bearing 30.
Bearing portion 31 and the boss incorporating section 32 for being pivotally supported rotary shaft 13 are formed in base bearing 30.Base bearing 30 passes through molten
It connects or hot jacket is fixed on closed container 1.
Fixed scroll 11 includes disk-shaped fixed scroll end plate 11a, stands up fixed scroll end plate 11a
Vortex shape fixed scroll tooth 11b and the periphery wall portion of setting is erect in the mode surrounded around fixed scroll tooth 11b
11c is formed with outlet 14 in the substantially central portion of fixed scroll end plate 11a.
Convolution scroll 12 includes disk-shaped convolution scroll end plate 12a, stands up convolution scroll end plate 12a
Scroll wrap side end face convolution scroll wrap 12b and the circle that is formed in the opposite side end face of the convolution scroll wrap of scroll end plate 12a
The boss portion 12c of tubular.
The fixed scroll tooth 11b of fixed scroll 11 and the convolution scroll wrap 12b of convolution scroll 12 are mutually twisted, solid
Multiple discharge chambes 15 are formed between determine vortex tooth 11b and convolution scroll wrap 12b.
Boss portion 12c is formed in the substantial middle of convolution scroll end plate 12a.Eccentric shaft 13a is inserted into boss portion 12c, convex
Platform portion 12c is accommodated in boss incorporating section 32.
Fixed scroll 11 is fixed on base bearing 30 using multiple bolts 16 in periphery wall portion 11c.On the other hand, convolution whirlpool
Rotating part 12 is supported on fixed scroll 11 via the rotations such as cross slip-ring limiting component 17.The rotation of limitation convolution scroll 12
Rotation limiting component 17 is set between fixed scroll 11 and base bearing 30.Convolution scroll 12 is relative to fixed whirlpool as a result,
Carry out circumnutation to 11 not rotation of rotating part.
The lower end 13b of rotary shaft 13 is pivotally supported the supplementary bearing 18 in configuration in the lower part of closed container 1.
The store oil portion 4 of lubrication oil is formed in the bottom of closed container 1.
The lower end of rotary shaft 13 is provided with the oil pump 5 of displacement type.Oil pump 5 is present in store oil portion 4 with its suction inlet
Mode configures.Oil pump 5 is driven by rotary shaft 13, regardless of pressure condition or running speed, will can reliably be located at and set
It sets the lubricating oil in the store oil portion 4 of the bottom of closed container 1 to drink up, and eliminates the most worry of oil consumption.
The rotary shaft oil supplying hole 13c from the lower end 13b to eccentric shaft 13a of rotary shaft 13 is formed in rotary shaft 13.
The lubricating oil drunk up by oil pump 5 is fed into pair by the rotary shaft oil supplying hole 13c being formed in rotary shaft 13
The bearing of bearing 18, bearing portion 31, in boss portion 12c.
The refrigerant sucked from refrigerant suction pipe 2 is directed to discharge chambe 15 from suction inlet 15a.Discharge chambe 15 is from periphery
Lateral central portion goes to move while making smaller volume, and the refrigerant that authorized pressure has been reached in discharge chambe 15 is solid from being set to
The outlet 14 of the central portion of determine vortex part 11 is discharged to discharge room 6.Outlet 14 is provided with discharge leaf valve (not shown).
The refrigerant for having reached authorized pressure in discharge chambe 15 pushes discharge leaf valve open and is discharged to discharge room 6.It is discharged to discharge room 6
Refrigerant exported to 1 internal upper part of closed container, by being formed in the refrigerant passage (not shown) of compression mechanical part 10, reach
Around mechanism portion 20, and it is discharged from refrigerant discharge leader 3.
Fig. 2 is the major part amplification sectional view of the compression mechanical part of Fig. 1, and Fig. 3 (a) is that the hermetic type compressor is used
Bearing disk top view, Fig. 3 (b) is the top view of oil pump case used in the hermetic type compressor.
Sliding bearing 13e is configured between supplementary bearing 18 and the lower end 13b of rotary shaft 13.
There is the oil groove 13f formed in the axial direction of rotary shaft 13 by notch in the lower end 13b of rotary shaft 13 and will revolve
The cross-drilled hole 13g that rotation shaft feeding oil hole 13c is connected to oil groove 13f.
Bearing disk 40 is configured at the lower section of supplementary bearing 18 to accept the thrust of rotary shaft 13.Oil pump case 50 is configured at
The lower section of bearing disk 40.Oil pump 5 is accommodated in the lower surface of oil pump case 50.
Bearing disk 40 be formed with for store from oil pump 5 be discharged lubricating oil oil storage room 41 and with oil
The plate side oil access 42 of slot 13f connection.Plate side oil access 42 extends to outside from the outer diameter of lower end 13b.Oil storage room 41
It is formed in the center of bearing disk 40.Plate side oil access 42 is connected to oil storage room 41, and from oil storage room 41 to partly
Diameter direction is formed extended at both sides.The outer side slot 51b covered by bearing disk 40 is cross-drilled hole 13g sectional area below.
The shell side oil access 51 being connected to plate side oil access 42 is formed in oil pump case 50.Shell side oil access 51 wraps
Include the inner side slot 51a and outer side slot 51b that are formed in the upper surface of oil pump case 50 and the outboard end for being formed in outer side slot 51b
Tap 51c.
Inner side slot 51a is configured with being overlapped with plate side oil access 42.Therefore, inner side slot 51a is connected to plate side oil access 42.Outside
Side channel 51b is covered by bearing disk 40.Tap 51c is to penetrate through the upper and lower surface of oil pump case 50 and formed.Furthermore it arranges
The 51c that portals is also possible to the peripheral part for making the outboard end of outer side slot 51b extend to oil pump case 50 and is formed.
The lubricating oil being discharged from oil pump 5 is supplied to rotary shaft oil supplying hole 13c from the lower surface of lower end 13b, and can also
To flow into plate side oil access 42 between the periphery of lower end 13b and the centre bore of oil pump case 50.
On the top more top than oil groove 13f, by supporting the top of sliding bearing 13e and the lower end 13b of rotary shaft 13
It connects, to prevent the lubricating oil in oil groove 13f from dispersing from the top of supplementary bearing 18.
The lubricating oil supplied from cross-drilled hole 13g moves downwards in oil groove 13f.Lubricating oil in oil groove 13f via
Plate side oil access 42 and shell side oil access 51 are discharged in the lower section of supplementary bearing 18.
According to the present embodiment, because making to be discharged from the lubricating oil that cross-drilled hole 13g is supplied to the lower section of supplementary bearing 18, can prevent
It is discharged to the top of supplementary bearing 18.Therefore, it can prevent lubricating oil from dispersing from the top of supplementary bearing 18, therefore can make from closed appearance
The lubricants capacity that device 1 is discharged to the outside is few.
In addition, according to the present embodiment, from oil pump 5 via between the periphery of lower end 13b and the centre bore of oil pump case 50
The lubricating oil for flowing directly into bearing disk 40 is directed to plate side oil access 42.
In addition, being easily drained the impurity for being mixed into oil storage room 41 according to the present embodiment, and can utilize by thrust
The depth of the outer side slot 51b that shaft bearing plate 40 covers and groove width adjust the discharge rate of lubricating oil.
In addition, the lubricating oil supplied from cross-drilled hole 13g can be moderately maintained to supplementary bearing 18 and pushed away according to the present embodiment
Power shaft bearing plate 40.
In addition, because the discharge rate of lubricating oil can be adjusted with outer side slot 51b, not needing to tie up according to the present embodiment
The dimensional accuracy for holding tap 51c, is easily drained lubricating oil.
Furthermore refrigerant of the invention is able to use the refrigerant between R32, carbon dioxide or carbon carbon with double bond.
Industrial utilizability
Hermetic type compressor of the invention is for hot-water central heating system, conditioner, water heater or refrigeration machine etc.
Refrigerating circulatory device.
Symbol description
1 closed container
2 refrigerant suction pipes
3 refrigerant discharge leaders
4 store oil portions
5 oil pumps
6 discharge rooms
10 compression mechanical parts
11 fixed scrolls
12 convolution scrolls
13 rotary shafts
13a eccentric shaft
The lower end 13b
13c rotary shaft oil supplying hole
13e sliding bearing
13f oil groove
13g cross-drilled hole
14 outlets
15 discharge chambes
16 bolts
17 rotation limiting components
18 supplementary bearings
20 mechanism portions
21 stators
22 rotors
30 base bearings
31 bearing portions
32 boss incorporating sections
40 bearing disks
41 oil storage rooms
42 plate side oil accesses
50 oil pump cases
51 shell side oil accesses
51a inner side slot
51b outer side slot
51c tap.
Claims (5)
1. a kind of hermetic type compressor, it is characterised in that:
It is configured with the compression mechanical part of compression refrigerant in closed container and drives the compression mechanical part using rotary shaft
Mechanism portion,
The store oil portion for being used for lubrication oil is formed in the bottom of the closed container,
The hermetic type compressor includes:
Support the base bearing on the top of the rotary shaft；
Support the supplementary bearing of the lower end of the rotary shaft；
The sliding bearing being configured between the supplementary bearing and the rotary shaft；
The bearing disk of thrust that be configured at the lower section of the supplementary bearing, the undertaking rotary shaft；
It is configured at the oil pump case of the lower section of the bearing disk；With
It is accommodated in the oil pump of the positive displacement of the lower surface of the oil pump case, wherein
The rotary shaft on the top from the lower end of the rotary shaft to the rotary shaft is formed in the rotary shaft
Oil supplying hole,
It is included in the lower end of the rotary shaft
In the oil groove that the axial direction of the rotary shaft is formed by notch；With
The cross-drilled hole that the rotary shaft oil supplying hole is connected to the oil groove,
The plate side oil access being intermittently connected to the oil groove is formed in the bearing disk,
The shell side oil access being connected to the plate side oil access is formed in the oil pump case,
Made by abutting the top of the sliding bearing with the rotary shaft from institute than the oil groove by the position on top
The lubricating oil for stating cross-drilled hole supply moves downwards in the oil groove,
Make the lubricating oil being located in the oil groove via the plate side oil access and the shell side oil access in the pair
The lower section of bearing is discharged.
2. hermetic type compressor as described in claim 1, it is characterised in that:
Sky is deposited in the oil measure of the bearing disk being centrally formed with for storing the lubricating oil being discharged from the oil pump
Between,
It is connected to the plate side oil access with the oil storage room, and extends ground from the oil storage room in radial direction
It is formed.
3. hermetic type compressor as claimed in claim 2, it is characterised in that:
The shell side oil access is by being formed in the inner side slot of the upper surface of the oil pump case and outer side slot and being formed in described
The tap of the outboard end of outer side slot is constituted,
The inner side slot is set to be overlapped and be connected to the plate side oil access,
The outer side slot is covered by the bearing disk.
4. hermetic type compressor as claimed in claim 3, it is characterised in that:
Make the outer side slot cross-drilled hole sectional area below covered by the bearing disk.
5. the hermetic type compressor as described in claim 3 or 4, it is characterised in that:
The tap is formed in a manner of the upper and lower surface for penetrating through the oil pump case.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-012607 | 2017-01-27 | ||
| JP2017012607A JP6748874B2 (en) | 2017-01-27 | 2017-01-27 | Hermetic compressor |
| PCT/JP2018/001200 WO2018139308A1 (en) | 2017-01-27 | 2018-01-17 | Hermetic compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110226041A true CN110226041A (en) | 2019-09-10 |
| CN110226041B CN110226041B (en) | 2021-08-10 |
Family
ID=62979412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880008443.1A Active CN110226041B (en) | 2017-01-27 | 2018-01-17 | Hermetic compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3575605B1 (en) |
| JP (1) | JP6748874B2 (en) |
| CN (1) | CN110226041B (en) |
| WO (1) | WO2018139308A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102140323B1 (en) * | 2018-08-28 | 2020-07-31 | 영신정공 주식회사 | Electronic Oil Pump |
| WO2020183605A1 (en) * | 2019-03-12 | 2020-09-17 | 日立ジョンソンコントロールズ空調株式会社 | Compressor and refrigeration cycle device |
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| JPH05231357A (en) * | 1992-02-21 | 1993-09-07 | Mitsubishi Electric Corp | Scroll fluid machine |
| JPH11182473A (en) * | 1997-12-17 | 1999-07-06 | Sanyo Electric Co Ltd | Scroll compressor |
| CN103388583A (en) * | 2013-07-24 | 2013-11-13 | 西安交通大学 | Closed scroll compressor with oilless compression cavity |
| CN103982437A (en) * | 2013-02-13 | 2014-08-13 | 松下电器产业株式会社 | Volume type compressor |
| JP2015034473A (en) * | 2013-08-07 | 2015-02-19 | ダイキン工業株式会社 | Scroll compressor |
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| JPH04292595A (en) * | 1991-03-20 | 1992-10-16 | Mitsubishi Heavy Ind Ltd | Closed type compressor |
| JPH0823350B2 (en) * | 1991-11-26 | 1996-03-06 | ダイキン工業株式会社 | Refueling pump device for compressor |
| JP3337948B2 (en) * | 1997-07-08 | 2002-10-28 | ダイキン工業株式会社 | Scroll type fluid machine |
| JP2010065556A (en) * | 2008-09-09 | 2010-03-25 | Sanden Corp | Hermetic compressor |
| WO2012132436A1 (en) * | 2011-03-29 | 2012-10-04 | ダイキン工業株式会社 | Scroll compressor |
| JP5765379B2 (en) * | 2013-08-10 | 2015-08-19 | ダイキン工業株式会社 | Scroll compressor |
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2017
- 2017-01-27 JP JP2017012607A patent/JP6748874B2/en active Active
-
2018
- 2018-01-17 CN CN201880008443.1A patent/CN110226041B/en active Active
- 2018-01-17 WO PCT/JP2018/001200 patent/WO2018139308A1/en unknown
- 2018-01-17 EP EP18743943.5A patent/EP3575605B1/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231357A (en) * | 1992-02-21 | 1993-09-07 | Mitsubishi Electric Corp | Scroll fluid machine |
| JPH11182473A (en) * | 1997-12-17 | 1999-07-06 | Sanyo Electric Co Ltd | Scroll compressor |
| CN103982437A (en) * | 2013-02-13 | 2014-08-13 | 松下电器产业株式会社 | Volume type compressor |
| CN103388583A (en) * | 2013-07-24 | 2013-11-13 | 西安交通大学 | Closed scroll compressor with oilless compression cavity |
| JP2015034473A (en) * | 2013-08-07 | 2015-02-19 | ダイキン工業株式会社 | Scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110226041B (en) | 2021-08-10 |
| EP3575605B1 (en) | 2021-10-06 |
| JP2018119503A (en) | 2018-08-02 |
| EP3575605A4 (en) | 2020-01-08 |
| WO2018139308A1 (en) | 2018-08-02 |
| EP3575605A1 (en) | 2019-12-04 |
| JP6748874B2 (en) | 2020-09-02 |
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