CN1184895A - Seal bearing for scroll type compressor - Google Patents
Seal bearing for scroll type compressor Download PDFInfo
- Publication number
- CN1184895A CN1184895A CN97125271A CN97125271A CN1184895A CN 1184895 A CN1184895 A CN 1184895A CN 97125271 A CN97125271 A CN 97125271A CN 97125271 A CN97125271 A CN 97125271A CN 1184895 A CN1184895 A CN 1184895A
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- China
- Prior art keywords
- bearing
- live axle
- stuffing box
- type compressor
- block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/42—Pumps with cylinders or pistons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a sealing bearing and the structure type can ensure good sealing performance to prevent the performance decline of a vortex compressor, because the decline often occurs in sealing bearings of other structure types. The end face of the sealing bearing which contacts the lower end of a driving axle is formed in the way; and the end face towards a through-hole is a certain value higher than the upper edge of the external circle of the sealing bearing. In addition, the sealing bearing is provided with an annular groove and at least one radial groove; the radial groove extends in the radial direction from the annular groove towards the contact surface of the sealing bearing and the driving axle; and the end face from the annular groove extending towards the through-hole is a certain value higher then the end face with the radial groove. The contact end face of the sealing bearing and the driving axle is formed by an arc-shaped surface, so the height is gradually increased from the edge of the external circle to the end of the through-hole.
Description
The present invention relates to a kind of stuffing box bearing between live axle and block in the scroll type compressor that is installed in, it is used for the lower end of supporting driving shaft in the axial direction.
In the prior art, the scroll type compressor as the Japanese unexamined patent H7-97995 of office patent and the Japanese unexamined patent H7-229492 of office patent are announced has a drive unit that is fixed in the seal casinghousing inner high voltage district; A swing axis that stretches out from the live axle off-centre of drive unit; Swing scroll member with oscillation bearing, its oscillation bearing is installed on the swing axis, and moving by the rotating band movable pendulum of live axle; A block that is fixed in the seal casinghousing, there is a through hole at its center, and the main bearing of supporting driving shaft is installed in this hole rotatably; And a fixing scroll member, it is clamped in swing axis between itself and the block by this way, makes swing axis to freely swing.These scroll type compressors also have a fuel tank that is used to deposit lubricant oil, and it forms in the zone of high pressure; An oil pocket of determining by the end and the block of live axle, it communicates with fuel tank; Reach one oil pocket and the spaced apart stuffing box bearing of swing, the swing space is formed by swing scroll member and block.Stuffing box bearing is made of circular groove and several radial grooves, its circular groove is forming with annular with the contacted surface of live axle, radial groove is protruding by circular groove direction radially, stuffing box bearing so forms, and makes that the lubricant oil in the oil pocket is being directed power that makes progress vertically of live axle effect.
Yet, the stuffing box bearing in such scroll type compressor, because the inconsistency of making, the inner side end of circular groove is easy to the outboard end of relative circular groove towards sunken inside.If such stuffing box bearing is installed, by oil pocket that stuffing box bearing guaranteed and insert sealing variation between nose end, cause the decreased performance of scroll type compressor.
Therefore, the purpose of this invention is to provide the new of a kind of stuffing box bearing that is used for scroll type compressor, it can guarantee that excellent sealing performance is to prevent the performance decrease by the bad scroll type compressor that causes of stuffing box bearing performance.
Like this, according to scroll type compressor of the present invention, comprise a drive unit that places the zone of high pressure, the zone of high pressure is to form on the top of seal casinghousing; A live axle that stretches out downwards from drive unit; A swing axis that stretches out prejudicially mutually from the lower end of live axle and drive axis; Swing scroll member with oscillation bearing, this swing axis is installed on the oscillation bearing, and moving by the rotating band movable pendulum of live axle; A body that is fixed in the seal casinghousing wherein has a through hole, and the main bearing of rotation supporting driving shaft is installed in this hole; A fixing scroll member, it and the swing scroll member formation compression chamber that is meshed, it is fixed on the block, clamps the swing scroll member in such a way, and it can be freely swung; A fuel tank that forms in the zone of high pressure is used for depositing lubricant oil; An oil pocket of determining by the end and the block of live axle, it communicates with fuel tank; And stuffing box bearing, its supporting driving shaft in the axial direction between the lower end of live axle and block, it has a patchhole, swing axis inserts wherein by this way, it can be freely swung, and oil pocket with insert that nose end is isolated to be opened, stuffing box bearing is to form like this facing to the side of live axle, the excircle upper rim of the inner circumference upper edge proportion by subtraction stuffing box bearing of patchhole exceeds certain value.
According to the present invention, because stuffing box bearing is to form like this facing to the side of live axle, the inner circumference upper edge proportion by subtraction stuffing box bearing excircle upper rim of promptly guaranteeing patchhole exceeds certain value, so the patchhole end contacts with the lower end of live axle in reliable mode, therefore guaranteed the excellent sealing of stuffing box bearing.In addition, preferably set this definite value enough greatly, to guarantee in the running of scroll type compressor, when live axle produces impulsive load, stuffing box bearing with the contacted surface of live axle be flat, to guarantee also that simultaneously the elastomer of patchhole end in contact part can excessive wear.
In addition, stuffing box bearing has circular groove and at least one radial groove, circular groove is to form on the side of live axle at it, and radial groove is radially protruding by circular groove, and exceeds certain value from the surface that the surface ratio that circular groove stretches out to patchhole forms radial hole.
Owing to contact in reliable mode with live axle to the surface that patchhole stretches out from circular groove, can guarantee good sealability herein, and, be fed into owing to extreme pressure lubricant on the surface of radial groove formation, so can very bear the impulsive load of live axle effect effectively.
And, in this stuffing box bearing, be an arc towards the end face of live axle, its height little by little increases to the inner circumference upper rim from the excircle upper rim of patchhole.
Therefore, contact in reliable mode with live axle owing to insert the circumferential edges of nose end, thus the sealability that can guarantee herein, and, because end face is an arc, can farthest reduce the wearing and tearing of contact area.
From the following description that provides, in the appended accompanying drawing of most preferred embodiment, one of skill in the art of the present invention will be better appreciated by and appreciate above-mentioned and other characteristics of the present invention and the advantage that is had.In the accompanying drawings:
Fig. 1 is the sectional view according to the example of scroll type compressor of the present invention;
Fig. 2 is the part amplification view of scroll type compressor shown in Figure 1;
Fig. 3 example in above-mentioned scroll type compressor, the approach of flow of lubricant warp;
Fig. 4 is the perspective view that is used for the stuffing box bearing of the scroll type compressor shown in Fig. 1;
Fig. 5 is the sectional view of stuffing box bearing shown in Figure 4;
Fig. 6 is the sectional view that shows the stuffing box bearing in another specific embodiment;
Fig. 7 is the part amplification view of another scroll type compressor;
Fig. 8 is the sectional view that is used for the stuffing box bearing of scroll type compressor shown in Figure 7; And
Fig. 9 is the sectional view that shows the stuffing box bearing in another specific embodiment;
Below, with reference to accompanying drawing, specific embodiments of the invention are described.
In scroll type compressor shown in Figure 1, seal casinghousing 6 comprises the cylinder type parts 3 that have refrigeration aspiration gas port, stops up the block 4 of the upper end of cylinder type parts 3, and stops up the bottom part 5 of the lower end of cylinder type parts 3.Be noted that block 4 has refrigeration gas relief opening 7 and the power supply terminal 9 that is used for motor 8.
Motor 8 can be, for example, do not have the motor of electricity, and it comprises live axle 10, is fixed in the rotor with permanent magnetism 11 on the live axle 10, is fixed in the stator 13 of the inner circumferential surface of cylindrical member 3, is wound with coil 12 thereon.
Live axle 10 rotatably is supported on the driving bearing supporting part 14 via bearing 15 at an upper portion thereof.Balancer weight 16 is fixed in the lower end of rotor 11, and counterweight 56 is fixed in the upper end of rotor 11.In addition, live axle 10 rotatably is supported on via main bearing 19 in the through hole 18 that forms in the block 17 in its underpart, and this names a person for a particular job and describes in detail afterwards.In addition, in the lower end of live axle 10, swing axis 21 stretches out via bearing 20 prejudicially from live axle 10.
Block 17 adopts the mode of for example spot welding to be fixed in the inner circumferential surface of cylindrical member 3, and the heart has a through hole 18 therein.In addition, have an oil duct 23, it is opened on fuel tank 22, and fuel tank will be done below and describe in detail, and filter 24 is housed in oil duct.Be used for preventing that the O type circle of swinging scroll member 28 rotations is contained in O type circle installation cavity 25, this installation cavity is to be formed by the surface of sliding with respect to swing scroll member 28 in the block 17.The part of O type astragal mark is inserted in the O type ring recess 26 slidably, and this groove is also formed by the surface of sliding with respect to swing member 28, and the thrust bearing 32 that has oil groove is installed in this place with suitable contraction angle.
On block 17, a lid 30 is arranged, it has covered the slewing area of the counterweight 16 that is installed on the live axle 10, on block 17 lid 30 around, fuel tank 22 is arranged.Be noted that on lid 30, to have formed refrigeration gas exhaust port 31 that it communicates with the refrigeration gas passage 27 that is formed at block 17.
Swing scroll member 28 has oscillation bearing 28a, and swing axis 21 rotatably inserts wherein, with the surperficial facing surfaces of formation oscillation bearing 28a on, formed the swing scroll bar 28b that stretches out with the volute form.Be noted that on the surface that forms oscillation bearing 28a, formed O type ring recess 28c.
The fixedly scroll member 35 that has standing screw 35a, be meshed with the swing scroll bar, formed compression chamber (volute chamber) 34 at an upper portion thereof, fixedly scroll member is fixed on the block 17 with bolt 55, swing scroll member 28 is clamped between it and the block 17 in such a way, it can be freely swung.The air aspiration cavity 35b that communicates with refrigeration aspiration pore is in the fixedly side formation of scroll member 35, and exhaust port 35c is formed centrally in fixing scroll member.Exhaust port 35c communicates with exhaust cavity 37, exhaust cavity be by the lid 36 on the rear surface that covers fixing scroll member 35 and fixedly the space between scroll member form.In addition, also have the exhaust passage 38 that forms in block 17, it communicates with exhaust cavity 37 and refrigeration gas passage 27.Lid 36 usefulness bolts are fixed in fixedly on the scroll member 35.In addition, form the bypass passage 39 that is communicated with volute chamber 34 middle parts and exhaust cavity 37, be used for opening and closing pressure-relief valve 40.In addition, an one-way valve 41 has been installed in exhaust port 35c, one-way valve is supported on the one-way valve supporting part 42 in exhaust port 35c.
In aforesaid scroll type compressor structure, when motor 8 is driven, be installed in the swing scroll member 28 on the live axle of motor 8 prejudicially, relative fixed scroll member 35 reciprocating swing, then by swing scroll bar 28b and fixedly the volute chamber 34 determined of scroll bar 35a change its volumes, carry out air-breathingly successively, compression and exhaust are moved.Like this, the refrigeration gas that is sucked by refrigeration aspiration gas port 2 then is inhaled into suction port 35b, in volute chamber 34, be compressed, pass through exhaust cavity 37 from exhaust port 35c, exhaust passage 38, refrigeration gas passage 27 and refrigeration gas exhaust port 31 arrive zone of high pressure 43, are sent to next process via refrigeration gas relief opening 7.
In addition, as shown in Figure 2, in scroll type compressor, stuffing box bearing 45 is installed in the lower end of live axle 10 and the excircle place of the bearing 20 between the block 17.Like this, the lubricant oil oil pocket is just by block 17, live axle 10, main bearing 19 and stuffing box bearing 45 determine that this names a person for a particular job and is described in detail in the back, swing space 47 is by swing scroll member 28, block 17 and stuffing box bearing 45 form, swing axis is swung in the swing space.In addition, high-voltage oil cavity 46 sealed bearings 45 are isolated with swing space 47, and the pressure in the swing space is low pressure or middle pressure.
And, along with swing axis 21 inserts among the oscillation bearing 28a, form bearing play 48 in the bottom of oscillation bearing 28a, on live axle 10 and swing axis 21, form oil guiding hole 49, this oil guiding hole is communicated with bearing play 48 and oil pocket 46 get up.
In addition, on the slidingsurface of live axle 10, one or more spiral chutes 50 (two spiral chutes are arranged) have been formed in this specific embodiment with respect to main bearing 19.In these spiral chutes 50, each all is to form on the external peripheral surface that slides with respect to main bearing 19 of live axle 10, the one end opening is in oil pocket 46, direction along the live axle rotation on the external peripheral surface of live axle backs tilt to the other end, and the other end is opened on the upper end of main bearing 19 with certain angle.
In above-mentioned structure, the lubricant oil that comes out from fuel tank 22 flows to oil pocket 46 by two asphalt channels, as shown in Figure 3, that is to say, article one, asphalt channel 100, because the rotation of live axle, lubricant oil is inhaled into the end that each spiral chute 50 is opened on oil pocket 46, upwards flow along spiral chute 50 then, flow back to fuel tank 22 from the other end that is opened on main bearing 19; Second asphalt channel 200, because the pressure difference of oil pocket 46 and air aspiration cavity 35b, lubricant oil is by oil guiding hole 49, bearing play 48, oscillation bearing 28a, swing space 47, thrust bearing 32, O type circle 29, air aspiration cavity 35b, volute chamber 34 and exhaust port 35c, flowing in the zone of high pressure 43, before getting back to fuel tank 22 by passage 38,27 and 31 respectively then, by the rotation of rotor 11, make it to separate with high pressure refrigeration gas.The lubricated of main bearing 19 is to be finished by the lubricant oil of article one oil circuit 100 of flowing through, and oscillation bearing 28a, the lubricated of thrust bearing 32 and volute chamber 34 and sealed member is to be finished by the lubricant oil of the second oil circuit 200 of flowing through.
Be noted that the pressure in the swing space 47 will become middle pressure if the shrink grading of thrust bearing becomes big, between the pressure of the pressure of oil pocket 46 and air aspiration cavity 35b.If the shrink grading of thrust bearing diminishes, the pressure of swing in the space 47 equates with pressure among the air aspiration cavity 35b basically.
Like this, main bearing 19 came lubricated in 32 minutes with oscillation bearing 28a and thrust bearing.Therefore, because after main bearing 19 lubricated, oscillation bearing 28a and thrust bearing 32 did not have lubricated, that is to say that lubricant oil is in heated condition, the life-span of lubricant oil is improved, and simultaneously, is easier to lubricated up hill and dale oscillation bearing 28a and thrust bearing 32.
In the structure of aforesaid scroll type compressor 1, the form of stuffing box bearing 45 by the inconsistency of having considered to be taken place, can be guaranteed the excellent sealing performance in oil pocket 46 and swing space 47 in the process of producing stuffing box bearing 45 shown in Figure 4 and 5.Stuffing box bearing 45 in first specific embodiment is made by following bearing material, as the powder metallurgy elastomer, copper-based elastomeric, aluminium-based elastomeric, FC-based elastomeric, FCD-based elastomeric, perhaps iron-based elastomeric, stuffing box bearing is an annular element that has through hole 45c, and bearing 20 inserts in the through hole.In it and live axle 10 contacted sides, a circular groove 45a and several radial groove 45b that extend radially from circular groove have been formed.
In addition, in stuffing box bearing 45, with live axle 10 contacted end face (the interior contact end face) 45d that contact, stretch to patchhole 45c from circular groove 45a, 10 contacted end face (outer contacting end face) 45e that contact stretch to outer ledge from circular groove 45a with live axle, and interior contact end face exceeds certain value than outer contacting end face.Contact end face and outer contacting end face in one plane height value almost in preferably this value being set at, perhaps be set at certain value, when this was worth, for example when impact loading in the running was on live axle 10, the elastomer of interior contact end face 45d can excessive wear.
Like this, because interior contact end face 45d contacts in a kind of reliable mode with live axle 10, oil pocket 46 and swing space 47 and can be separated by the two herein by sealing surface effectively and leave.In addition, along with extreme pressure lubricant flows to circular groove 45a from oil pocket 46, in the space that radial groove 45b and outer contacting end face 45e and live axle are 10, on live axle 10, acted on a power that makes progress, bear the load that is directed downwards (impulsive load) that acts on the live axle 10 effectively, and because lubricant oil has viscosity, the contact end face can obtain sealing in lubricated.
Another kind method is, in a specific embodiment as shown in Figure 6, outer contacting end face 45e has formed an arc shaped surface together with the interior end face 45d that contacts, and the upper end portion direction towards patchhole 45c increases its height gradually from outer circumferential edges.In this stuffing box bearing 45, the interior contact jaw face portion of close patchhole 45c also contacts in reliable mode with the underpart of live axle 10.
Thereby oil pocket 46 and swing space 47 can be separated by herein by sealing effectively and the two and leave.In addition, because end face is an arc, the slip resistance of contact area will be reduced, and then the rotation load of live axle 10 also reduces thereupon.
And, because extreme pressure lubricant flows to circular groove 45a from oil pocket 46, in the space that radial groove 45b and outer contacting end face 45e and live axle are 10, on live axle 10, acted on a power that makes progress, bear the load that is directed downwards (impulsive load) that acts on the live axle 10 effectively, and because lubricant oil has viscosity, the contact end face can obtain sealing in lubricated.
Scroll type compressor 1 shown in Figure 7 has following structure, between stuffing box bearing 45 and live axle 10 seal washer 60 has been installed, and at stuffing box bearing 45 and 17 of blocks elastic member 70 has been installed.Seal washer 60 is annular, adopts iron-sill, and polish its both sides, to obtain certain surface roughness.Like this, because the contact end face of seal washer 60 is polished, obtained certain surface roughness, the contact end face of stuffing box bearing 45 there is no need to polish again, and then can simplify technological process, and, near by seal washer 60, just can guarantee at any time to slide stably.
The stuffing box bearing 45 that is being used for above-mentioned scroll type compressor 1, with live axle 10 contacted end face (the interior contact end face) 45d that contact, stretch to patchhole 45c from circular groove 45a, 10 contacted end face (outer contacting end face) 45e that contact stretch to outer ledge from circular groove 45a with live axle, interior contact end face exceeds certain value than outer contacting end face, as shown in Figure 8.Contact end face and outer contacting end face in one plane height value almost in preferably this value being set at, perhaps be set at certain value, when this was worth, for example when impact loading in the running was on live axle 10, the elastomer of interior contact end face 45d can excessive wear.Should be noted that reference number 45 refers to the groove that is used to install elastic member 70.
Like this because interior contact end face 45d contacts in a kind of reliable mode with live axle 10, can be by sealing effectively and oil pocket 46 with swing space 47 and be separated by and leave.In addition, along with extreme pressure lubricant flows to circular groove 45a from oil pocket 46, in the space that radial groove 45b and outer contacting end face 45e and live axle are 10, on live axle 10, acted on a power that makes progress, bear the load that is directed downwards (impulsive load) that acts on the live axle 10 effectively, and because lubricant oil has viscosity, the contact end face can obtain sealing in lubricated.
In addition, in another specific embodiment shown in Figure 9, outer contacting end face 45e has formed an arc shaped surface together with the interior end face 45d that contacts, and makes that the upper end portion direction towards patchhole 45c increases its height gradually from outer circumferential edges.In this stuffing box bearing 45, the interior contact jaw face portion of close patchhole 45c also contacts in reliable mode with the underpart of live axle 10.
Thereby oil pocket 46 and swing space 47 can be separated by herein by sealing effectively and the two and leave.In addition, because end face is an arc, the slip resistance of contact area will be reduced, and then the rotation load of live axle 10 also reduces thereupon.
And, because extreme pressure lubricant flows to circular groove 45a from oil pocket 46, in reaching, the space of radial groove 45b and outer contacting end face 45e and 10 of live axles contacts in the space of 10 of end face 45d and live axles, on live axle 10, acted on a power that makes progress, bear the load that is directed downwards (impulsive load) that acts on the live axle 10 effectively, and because lubricant oil has viscosity, the contact end face can obtain sealing in lubricated.
As described, according to the present invention, stuffing box bearing is installed between live axle and the block, with getting in touch of the pressure in pressure in the cut-out oil pocket and the swing space, the contact end face contacted owing to stuffing box bearing and live axle is to form like this, its height in patchhole center part is higher than the outer circumference edge, the circumferential edges of patchhole center part can contact in reliable mode with the lower end of live axle, and then can between oil pocket and swing space, obtain effective seal, and guaranteed to provide and be used for the passage that lubricant oil flows, this lubricant oil mobile since pressure difference cause.
In addition, stuffing box bearing has a mind to make its interior contact end face higher during fabrication, thus can prevent to be lower than the outer contacting end face owing to the interior contact end face that the inconsistency in producing causes, and then can reduce the quantity of waste product, reduce cost of production.
Claims (16)
1. scroll type compressor comprises:
The cylinder type seal casinghousing;
The zone of high pressure that forms on the top of said seal casinghousing;
Be positioned at the drive unit of said zone of high pressure;
The live axle that stretches out downwards from said drive unit;
From the bearing part that the lower end by said live axle forms, stretch out and depart from the swing axis of drive axis;
Be fixed in the block in the said seal casinghousing, a through hole is wherein arranged, be used for installing the rotatably main bearing of the bearing part of supporting driving shaft;
The spiral chute that on the surface of the bearing part of said live axle, forms, it tilts along said drive shaft turns direction, said spiral fluted front end communicates with said oil pocket on the sense of rotation of said live axle, on the sense of rotation of said live axle and said spiral fluted open rearward end in said zone of high pressure;
Have the swing scroll member of oscillation bearing, said swing axis is installed on the oscillation bearing, and moving by the rotating band movable pendulum of said live axle;
Be installed in the thrust bearing between said block and said swing scroll member;
The O type circle that forms between said block and said swing scroll member is used for constituting despin mechanism, to prevent the rotation of said swing scroll member;
By the formed bearing play of said swing axis is installed in said oscillation bearing;
Fixing scroll member, its formation compression chamber that is meshed with said swing scroll member, it is fixed on the said block, clamps said swing scroll member in such a way, and promptly said swing scroll member phase can freely swing;
Fuel tank in that said zone of high pressure forms is used for depositing lubricant oil;
By the oil pocket that the end and the said block of said live axle are determined, it communicates with fuel tank;
Pass the oil guiding hole of said live axle and said swing axis, it is communicated with said oil pocket and said bearing play; And
Stuffing box bearing, it supports said live axle in the axial direction between the lower end of said live axle and said block, and it has a patchhole, and said bearing part inserts wherein, and nose end is isolated opens oil pocket and insertion; Wherein:
Said stuffing box bearing is to form like this facing to the side of said live axle, that is, and and the excircle upper rim height of the said stuffing box bearing of inner circumference upper edge proportion by subtraction of said patchhole.
2. scroll type compressor as claimed in claim 1 is characterized in that:
Said stuffing box bearing also has a circular groove and at least one radial groove, radial groove extends radially outward it facing on the end face of said live axle from said circular groove, exceeds certain value to the end face that said patchhole stretches out than the end face that forms said radial hole from said circular groove.
3. scroll type compressor as claimed in claim 1 is characterized in that:
In said stuffing box bearing, said end face facing to said live axle is an arc, and the said inner circumference upper rim that its height is assigned to said patchhole from said excircle upper edge increases gradually.
4. scroll type compressor as claimed in claim 1 also comprises:
Article one, asphalt channel, lubricant oil flows into said oil pocket from said fuel tank, flows back to fuel tank from said oil pocket through said spiral chute again; And
The second asphalt channel, said lubricant oil from said oil pocket via oil guiding hole, said bearing play, said oscillation bearing, said swing space, said thrust bearing and said O type circle, the refrigeration gas in being inhaled into said zone of high pressure is discharged, before said flow of lubricant was got back in the fuel tank, lubricant oil separated with refrigeration gas in the zone of high pressure.
5. scroll type compressor as claimed in claim 1 also comprises:
Be installed in the seal washer between said stuffing box bearing upper end and the live axle, and it is polished to obtain certain surface roughness.
6. scroll type compressor as claimed in claim 2 also comprises:
Be installed in the seal washer between said stuffing box bearing upper end and the live axle, and it is polished to obtain certain surface roughness.
7. scroll type compressor as claimed in claim 3 also comprises:
Be installed in the seal washer between said stuffing box bearing upper end and the live axle, and it is polished to obtain certain surface roughness.
8. scroll type compressor as claimed in claim 4 also comprises:
Be installed in the seal washer between said stuffing box bearing upper end and the live axle, and it is polished to obtain certain surface roughness.
9. require 1 described scroll type compressor as power, also comprise:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
10. scroll type compressor as claimed in claim 2 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
11. scroll type compressor as claimed in claim 3 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
12. scroll type compressor as claimed in claim 4 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
13. scroll type compressor as claimed in claim 5 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
14. scroll type compressor as claimed in claim 6 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
15. scroll type compressor as claimed in claim 7 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
16. scroll type compressor as claimed in claim 8 also comprises:
Be installed in the underpart of said stuffing box bearing and the elastic member between the said block.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP314202/96 | 1996-11-11 | ||
| JP8314202A JPH10141253A (en) | 1996-11-11 | 1996-11-11 | Seal bearing for scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1184895A true CN1184895A (en) | 1998-06-17 |
Family
ID=18050509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97125271A Pending CN1184895A (en) | 1996-11-11 | 1997-11-11 | Seal bearing for scroll type compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH10141253A (en) |
| KR (1) | KR100255614B1 (en) |
| CN (1) | CN1184895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072909A (en) * | 2016-04-26 | 2018-12-21 | Lg电子株式会社 | Scroll compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4912665B2 (en) * | 2005-11-08 | 2012-04-11 | アネスト岩田株式会社 | Scroll fluid machinery |
-
1996
- 1996-11-11 JP JP8314202A patent/JPH10141253A/en active Pending
-
1997
- 1997-11-06 KR KR1019970058563A patent/KR100255614B1/en not_active IP Right Cessation
- 1997-11-11 CN CN97125271A patent/CN1184895A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072909A (en) * | 2016-04-26 | 2018-12-21 | Lg电子株式会社 | Scroll compressor |
| US10648471B2 (en) | 2016-04-26 | 2020-05-12 | Lg Electronics Inc. | Scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980042171A (en) | 1998-08-17 |
| JPH10141253A (en) | 1998-05-26 |
| KR100255614B1 (en) | 2000-05-01 |
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