CN110360104A - A kind of oil channel structures for rotary machine and the screw compressor with it - Google Patents
A kind of oil channel structures for rotary machine and the screw compressor with it Download PDFInfo
- Publication number
- CN110360104A CN110360104A CN201910671920.9A CN201910671920A CN110360104A CN 110360104 A CN110360104 A CN 110360104A CN 201910671920 A CN201910671920 A CN 201910671920A CN 110360104 A CN110360104 A CN 110360104A
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- oil
- oil circuit
- channel structures
- oil channel
- 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.)
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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
- 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
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
Abstract
The present invention provides a kind of oil channel structures for rotary machine, pump oil oil circuit is formed on the rotary machine rotatable parts, the rotatable parts include drive shaft and rotor, the bottom of the drive shaft is plugged in reserve, and the rotor suit is rotated together with drive shaft secure fit on the driving shaft；The pump oil oil circuit extends along the drive shaft, and can realize lubricating oil drawing and conveying from reserve by centrifugal action by the rotation of drive shaft.The present invention by drive shaft rotate when centrifugal force make lubricating oil from reserve be drawn into it is to be lubricated from, structure setting is inside drive shaft, drawing and conveying for lubricating oil is realized, in the case where not increasing other external structures to provide better lubricant effect at friction.
Description
Technical field
The present invention relates to a kind of oil channel structures, and in particular to a kind of oil channel structures for rotary machine and the whirlpool with it
Revolve compressor.
Background technique
Exist in mechanical transmission structure much by the structure of frictional drive, and for the structure of frictional drive, it needs
It will be to being lubricated oil processing at frictional drive.Such as in the frictional drive in screw compressor between movable orbiting scroll and fixed scroll.
Screw compressor has many advantages, such as volumetric efficiency height, high, with small vibration, the high revolving speed of Energy Efficiency Ratio, this favors it.Due to its fortune
Rotary speed is high, and lubricating oil is lacked in system can seriously affect the operating of screw compressor.
Currently, sound whirlpool armor at compression chamber can be by the oil lubrication that is had in gas, and Moving plate bottom
Space opposing seal, the lubricating oil in refrigerant are difficult to be lubricated it, this just needs efficient lubrication strategies to solve this
Problem.
Summary of the invention
Make drive shaft that lubricating oil may be implemented from reserve to friction by centrifugal force in consideration of it, the present invention provides one kind
The oil channel structures at place, specially；
The present invention provides a kind of oil channel structures for rotary machine, and pump oil oil is formed on rotary machine rotatable parts
Road, rotatable parts include drive shaft and rotor, and the bottom of drive shaft is plugged in reserve, and rotor is sleeved on drive shaft
It is upper to be rotated together with drive shaft secure fit；Pump oil oil circuit extends along the drive shaft, and can pass through by the rotation of drive shaft
Centrifugal action realizes lubricating oil drawing and conveying from reserve.
Can be it is further preferred that drive shaft be vertical installation, pump oil oil circuit includes the first oil circuit, the second oil circuit, third
Oil circuit is formed with an inlet port in the bottom of drive shaft and communicates with reserve, and it is oblique along drive shaft that the first oil circuit originates in inlet port
Extend upwardly to the secure fit area of drive shaft and rotor；In the secure fit area of drive shaft and rotor, the second oil circuit is formed, the
Two oil circuit one end connect the first oil circuit, and the other end connects third oil circuit, and third oil circuit is with the deviation side with the first oil circuit opposite direction
It extends obliquely upward to along drive shaft to the top of drive shaft；A smooth oily access for being adapted to drive shaft turns is consequently formed.
It can be it is further preferred that the second oil circuit be that the helicla flute for being formed in drive shaft outer peripheral surface and rotor inner peripheral surface are total to
With the closing oil channel formed.
It can be it is further preferred that the direction of rotation of helicla flute and the rotation direction of drive shaft be identical.
It can be it is further preferred that the second oil circuit be that the vertical slots for being formed in drive shaft outer peripheral surface and rotor inner peripheral surface are total to
With the closing oil channel formed.
Can it is further preferred that the first oil circuit diagonal upward direction and third oil circuit diagonal upward direction with rotary shaft rotation side
To consistent.
It can be it is further preferred that the first oil circuit, third oil circuit spiral, and the hand of spiral and drive shaft on the driving shaft
Rotation direction is identical.
It can be it is further preferred that the first oil circuit, third oil circuit ramp on the driving shaft.
It can be it is further preferred that drive shaft bottom be supported on reserve by a supplementary bearing.
It can be it is further preferred that the top drive of drive shaft connects acting component, the acting component and quiet component sound
It is combined together, after the lubricating oil is transported to the top of drive shaft, between the sound cooperation of flow direction acting component and quiet component
Gap.
Can be it is further preferred that a collection chamber be formed on the top of drive shaft, formation one between component and quiet component of doing work is done
Function gas cavity, the top of collection chamber are equipped with pressure hole in one and are connected to working gas cavity, and the bottom of collection chamber is equipped with an oil return
Hole is connected to the space above reserve.
Can be it is further preferred that rotary machine be rotary compressor, the drive shaft is crankshaft.
The present invention also provides a kind of screw compressors, and with oil channel structures described above, quiet component includes quiet whirlpool
Capstan and upper bracket, acting component includes orbiter, eccentricity regulating part, crank-pin, base bearing, Moving plate bearing, wherein on
Bracket is fixed together with fixed scroll, and base bearing is mounted on upper bracket, and drive shaft is rotatably supported on by base bearing
On upper bracket, eccentricity regulating part is fixed on the driving shaft by crank-pin, and orbiter is rotatably mounted by Moving plate bearing
On eccentricity regulating part, collection chamber is formed between the bottom of Moving plate bearing and the groove at the top of upper bracket.
The present invention by the way that oil channel structures are arranged in drive shaft, centrifugal force when being rotated by drive shaft make lubricating oil from
Reserve is drawn into place to be lubricated, and structure setting is realized inside drive shaft in the case where not increasing other external structures
Lubricating oil drawing and conveying, to provide better lubricant effect at friction.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other target, feature and the advantage of the disclosure will
It becomes more fully apparent.Drawings discussed below is only some embodiments of the present disclosure, for the ordinary skill of this field
For personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the screw compressor crankshaft pump oil structural profile illustration of one embodiment of the invention 3；
Fig. 2 is the crankshaft oil passage structure sectional view of the screw compressor crankshaft pump oil structure of one embodiment of the invention 3；
Fig. 3 is the screw compressor crankshaft pump oil structural profile illustration of one embodiment of the invention 4；
Fig. 4 is the crankshaft oil passage structure sectional view of the screw compressor crankshaft pump oil structure of one embodiment of the invention 4
In figure:
1- nose cover；2- fixed scroll；3- orbiter；Hole is pressed in 31-；4- upper bracket；41- oil return hole；5- eccentricity
Regulating part；6- crank-pin；61- crank-pin oilhole；7- crankshaft；The first crankshaft oil hole of 71-；72- spiral oil channel；73- second is bent
Shafting oil hole；8- casing；9- motor stator；10- compressor air suction mouth；11- supplementary bearing；12- rotor；13- base bearing；14-
Reserve；The anti-rotation spacer pin of 15-；16- Moving plate bearing；17- circlip；18- exhaust outlet of compressor；S- collection chamber
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning, " a variety of " generally comprise at least two, but not
It excludes to include at least one situation.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
The present invention forms pump oil oil circuit along drive shaft axial direction by the rotation section of rotary machine, and whens drive shaft turns is logical
Cross pump oil oil circuit realize drive shaft bottom reserve in lubricating oil drawing from reserve to friction place and convey.It is more preferable
Explanation technical solution of the present invention, to be illustrated with following example.
Embodiment 1:
The present embodiment provides a kind of oil channel structures for rotary machine, and pump oil oil is formed on rotary machine rotatable parts
Road, rotatable parts include drive shaft and rotor 12, and drive shaft is vertical installation, and the bottom of drive shaft is plugged in reserve
14, the suit of rotor 12 is rotated together with drive shaft secure fit on the driving shaft；Pump oil oil circuit extends along the drive shaft,
And lubricating oil drawing and conveying from reserve 14 can be realized by centrifugal action by the rotation of drive shaft, preferably utilize drive
The centrifugal force that moving axis operating generates, realizes drawing for lubricating oil.
Preferably, pump oil oil circuit includes the first oil circuit, the second oil circuit, third oil circuit, is formed in the bottom of drive shaft
One inlet port is communicated with reserve 14, lubricating oil is drawn when for rotating, it is oblique along drive shaft that the first oil circuit originates in inlet port
On extend to the secure fit area of drive shaft and rotor；In the secure fit area of drive shaft and rotor, the second oil circuit of formation, second
Oil circuit one end connect the first oil circuit, the other end connect third oil circuit, third oil circuit with the first oil circuit opposite direction (from radial direction
See) offset direction extend obliquely upward along drive shaft to the top of drive shaft；A smooth drive shaft that is adapted to is consequently formed to turn
Dynamic oily access.
Preferably, the second oil circuit is to be formed in the helicla flute of drive shaft outer peripheral surface to be collectively formed with 12 inner peripheral surface of rotor
Closing oil channel so that direction of rotation by centrifugal force helicla flute and the rotation direction phase of drive shaft when drive shaft rotates
Together.Oil duct is closed by being formed, avoiding lubricating oil, suffered centrifugal force reduces during the motion, provides the reliable of lubricating oil conveying
Property.
Preferably, the first oil circuit diagonal upward direction is consistent with rotation rotational axis direction with third oil circuit diagonal upward direction
(from axial), the first oil circuit, third oil circuit spiral, and the hand of spiral and drive shaft turns direction phase on the driving shaft
Together, avoid lubricating oil by generating additional friction when oil circuit, it is ensured that lubricating oil can preferably be transferred to place to be lubricated.
Preferably, the first oil circuit, third oil circuit ramp on the driving shaft, mention for the movement in oil circuit of lubricating oil
For bigger centrifugal force, it is fed directly at third oil circuit convenient for lubricating oil.
Preferably, drive shaft bottom is supported on reserve 14 by a supplementary bearing 11, and the lubricating oil in reserve 14 passes through
Gap between drive shaft and bearing flows into drive shaft bottom.
Preferably, the top drive connection acting component of drive shaft, acting component are combined together with quiet component sound, moisten
After lubricating oil is transported to the top of drive shaft, the sound fit clearance of flow direction acting component and quiet component.
Preferably, a collection chamber S is formed on the top of drive shaft, is done work and is formed working gas appearance between component and quiet component
Chamber, the top of collection chamber S are equipped with pressure hole 31 in one and are connected to working gas cavity, and the bottom of collection chamber S is equipped with an oil return hole 41
It is connected to the space of 14 top of reserve, realizes the reflux of lubricating oil, reduce lubricating oil retaining between each component, realize profit
Lubricating oil recycles.
Preferably, rotary machine is rotary compressor, and drive shaft is crankshaft 7, realizes lubricating oil by the rotation of crankshaft 7
It draws and conveys.
The present embodiment opens up oil circuit in the bottom of drive shaft, utilizes drive by designing the oil channel structures of rotary machine a kind of
The centrifugal force that moving axis rotation generates draws the lubricating oil in reserve 14, and is transported at friction by other oil circuits, and design
Oil circuit makes lubricating oil realize recycling.
Alternatively, the second oil circuit can also be the vertical slots and 12 inner peripheral surface of rotor for being formed in drive shaft outer peripheral surface
The closing oil channel being collectively formed.
Embodiment 2:
The present embodiment is compared to embodiment 1, to being changed in the second oil channel structures, specifically:
Second oil circuit is the closing oil for being formed in the helicla flute of rotor inner peripheral surface and being collectively formed with drive shaft outer peripheral surface
Channel.It is of course also possible to select the second oil circuit to be formed in the vertical slots of rotor inner peripheral surface with drive shaft outer peripheral surface and being collectively formed
Closing oil duct.
Helicla flute or vertical slots are set in the inner peripheral surface of rotor, avoid leading to the reliable of drive shaft in drive shaft setting slot
Property reduce, extend the service life of drive shaft.
The other structures of oil circuit have been described in embodiment 1 in the present embodiment, and details are not described herein.
Embodiment 3:
The present embodiment provides a kind of screw compressor, the present embodiment is formed in using in embodiment 1 second oil circuit
The helicla flute of drive shaft outer peripheral surface and oily channel the answering in screw compressor of the closing that 12 inner peripheral surface of rotor is collectively formed
It is illustrated for, specifically:
Screw compressor has oil channel structures described in embodiment 1, further includes nose cover 1, casing 8, compressor air suction mouth
10, motor stator 9, anti-rotation spacer pin 15, circlip 17 and exhaust outlet of compressor.Nose cover 1 and casing 8 are fixedly installed, compression
One end of nose cover 1 is arranged in for compressed gas to be discharged in machine exhaust outlet 18, and casing 8 is arranged in compressor air suction mouth 10
Bottom is used for inspiration air；Motor stator 9 and rotor 12 are cooperatively connected, and form complete electric machine structure, 9 mistake of motor stator
It is full of in indentation crankshaft 7, the outer peripheral surface of motor stator 9 is fixed on a medial surface of casing 8, between another medial surface of casing 8
It forms a gap and is used to form oil drainback passage；A certain number of round deep gouges are opened up in 3 bottom of orbiter, and are prevented certainly
Turn the cooperation of spacer pin 15 to prevent the rotation of orbiter 3.Drive shaft is rotatably supported on upper bracket 4 by base bearing 13
On.
Quiet component in oil channel structures includes fixed scroll 2 and upper bracket 4, and acting component includes orbiter 3, eccentricity
Regulating part 5, crank-pin 6, base bearing 13, Moving plate bearing 16.Fixed scroll 2 is fixed on nose cover 1,4 elastic conjunction of upper bracket
Into casing 8, base bearing 13 is mounted on upper bracket 4, places wear plate between upper bracket 4 and orbiter 3, this wear plate
It is made by the preferable material of wearability, the abrasion of the anti-arresting disc back side or bracket end face improves the reliability of compressor.Crank-pin
In the hole that 6 bias and 7 upper surface of force fit crankshaft open up, crank-pin 6 and 4 junction of upper bracket are provided with a circlip 17, keep away
Exempt from collision when Crankshaft motion between crank-pin and upper bracket, gap is provided and is lubricated for lubricating oil flow.It is hollow in crank-pin 6
Crank-pin oilhole 61 is formed, reaches between movable orbiting scroll and upper bracket 4, realizes herein along 6 oil circuit of crank-pin convenient for lubricating oil
Lubrication.Crank-pin 6, the joint gap setting Moving plate bearing 16 of Moving plate and eccentric adjusting part, eccentricity regulating part 5 pass through crank-pin
6 fix on the driving shaft, and the effect of this eccentric adjusting part is so that compressor can be realized Moving plate eccentricity during operation
Fine tuning.Using interference fit, the helical duct of 9 inner surface of motor stator and 7 surface of crankshaft between crankshaft 7 and rotor 12
Closed oily channel is collectively formed.Drive shaft is rotatably supported on upper bracket 4 by base bearing 13, improves drive shaft acknowledgement of consignment
Dynamic stability, and the third oil circuit formed offers access at base bearing 13, third oil circuit i.e. the second crankshaft herein
Oilhole 73, may be implemented the lubrication of base bearing 13, and collection chamber (S) is formed in 4 top of bottom and upper bracket of Moving plate bearing 16
Between groove, for realizing the reflux of lubricating oil.
The path that lubricating oil passes through in the present embodiment are as follows:
Oil in compressor reserve 14 enters 7 bottom of crankshaft by the gap of supplementary bearing 11, when compressor operation, exists
Oil in 7 bottom of crankshaft is got rid of from the first oil circuit into the second oil circuit under the influence of centrifugal force, continue in the second oil circuit by from
Mental and physical efforts then flow out from channel third oil circuit, flow through crank-pin 6, and the oil stream come out from 6 oil circuit of crank-pin enters each friction member,
Complete lubrication.First oil circuit described herein i.e. the first crankshaft oil hole 71, the second oil circuit, that is, spiral oil channel, third oil circuit i.e.
Two crankshaft oil holes 71.
Due to the presence in middle pressure hole 31, upper bracket 4 and the surrounded space of fixed scroll 2 are middle pressure area, then complete lubrication
Oil be pooled at collection chamber (S) under the action of gravity and mesolow area pressure difference and flow back to reserve 14 along return port,
Complete a circulation.
Embodiment 4:
It is that the vertical slots for being formed in drive shaft outer peripheral surface and motor turn that the present embodiment, which is in embodiment 3 using the second oil circuit,
It is described for the oily channel of the closing that sub 12 inner peripheral surfaces are collectively formed, specifically:
The second oil circuit is the vertical slots and rotor 12 for being formed in drive shaft outer peripheral surface in oil channel structures in the present embodiment
The closing oil channel that inner peripheral surface is collectively formed, the other structures in the present embodiment have been described in embodiment 1- embodiment 3,
This is repeated no more.
For embodiment 1-4, the first oil circuit and third oil circuit can be linear oil circuit and be also possible to spiral shape oil circuit, but
Consider from technique ease of processing, the preferred linear type of the present embodiment.
Oil circuit is arranged in the present invention in crankshaft, promotes lubricating oil to area to be lubricated using the centrifugal force that crank rotation generates
Domain ensure that the normal operation of mechanical structure, extend service life, furthermore realize in the case where not increasing other devices
Lubrication inside compressor, lubricating oil return port realize the recycling of lubricating oil, reduce the number of addition lubricating oil, more
The effective lubrication for realizing mechanical structure.
It is particularly shown and described the exemplary embodiment of the disclosure above.It should be appreciated that the present disclosure is not limited to
Detailed construction, set-up mode or implementation method described herein；On the contrary, disclosure intention covers included in appended claims
Various modifications and equivalence setting in spirit and scope.
Claims (13)
1. a kind of oil channel structures for rotary machine, it is characterised in that: form pump oil on the rotary machine rotatable parts
Oil circuit, the rotatable parts include drive shaft and rotor (12), and the bottom of the drive shaft is plugged in reserve (14), institute
Rotor (12) suit is stated to rotate together with drive shaft secure fit on the driving shaft；The pump oil oil circuit is along the drive shaft
Extend, and lubricating oil drawing and conveying from reserve (14) can be realized by centrifugal action by the rotation of drive shaft.
2. oil channel structures as described in claim 1, it is characterised in that: the drive shaft is vertical installation, the pump oil oil circuit
Include the first oil circuit, the second oil circuit, third oil circuit, is formed with an inlet port and reserve (14) phase in the bottom of drive shaft
Logical, first oil circuit originates in inlet port and extends obliquely upward secure fit area to drive shaft and rotor along drive shaft；Institute
The secure fit area of drive shaft and rotor is stated, the second oil circuit is formed, second oil circuit one end connects the first oil circuit, and the other end connects
Third oil circuit is connect, the third oil circuit is extended obliquely upward along drive shaft to drive shaft with the offset direction with the first oil circuit opposite direction
Top；A smooth oily access for being adapted to drive shaft turns is consequently formed.
3. oil channel structures as claimed in claim 2, it is characterised in that: second oil circuit is to be formed in drive shaft outer peripheral surface
The closing oil channel that helicla flute and rotor (12) inner peripheral surface are collectively formed.
4. oil channel structures as claimed in claim 3, it is characterised in that: the direction of rotation of the helicla flute and the rotation of drive shaft
Direction is identical.
5. oil channel structures as claimed in claim 2, it is characterised in that: second oil circuit is to be formed in drive shaft outer peripheral surface
The closing oil channel or second oil circuit that vertical slots and rotor inner peripheral surface are collectively formed are to be formed in rotor inner circumferential
The closing oil channel that the vertical slots and drive shaft outer peripheral surface in face are collectively formed.
6. such as the described in any item oil channel structures of claim 2-5, it is characterised in that: the first oil circuit diagonal upward direction and the
Three oil circuits diagonal upward direction is consistent with rotation rotational axis direction.
7. oil channel structures as claimed in claim 6, it is characterised in that: first oil circuit, third oil circuit spiral shell on the driving shaft
Liter is screwed on, and the hand of spiral is identical as drive shaft turns direction.
8. oil channel structures as claimed in claim 6, it is characterised in that: first oil circuit, third oil circuit are straight on the driving shaft
Line rises.
9. such as the described in any item oil channel structures of claim 1-8, it is characterised in that: the drive shaft bottom passes through a supplementary bearing
(11) reserve (14) are supported on.
10. such as the described in any item oil channel structures of claim 1-9, it is characterised in that: the top drive of the drive shaft connects
Do work component, and the acting component is combined together with quiet component sound, after the lubricating oil is transported to the top of drive shaft,
The sound fit clearance of flow direction acting component and quiet component.
11. the oil channel structures as described in claim any one of 1-10, it is characterised in that: an oil-collecting is formed on the top of the drive shaft
Chamber (S), forms a working gas cavity between the acting component and quiet component, the top of the collection chamber (S) is equipped in one
Pressure hole is connected to working gas cavity, and the bottom of the collection chamber (S) is equipped with an oil return hole and is connected to the space above reserve.
12. the oil channel structures as described in claim any one of 1-11, it is characterised in that: the rotary machine is rotary compressor,
The drive shaft is crankshaft (7).
13. a kind of screw compressor, it is characterised in that: it is with the oil channel structures described in claim 12, the Jing Zujianbao
Fixed scroll (2) and upper bracket (4) are included, the acting component includes orbiter (3), eccentricity regulating part (5), crank-pin
(6), base bearing (13), Moving plate bearing (16), wherein the upper bracket (4) is fixed together with fixed scroll (2), the main shaft
It holds (13) to be mounted on upper bracket (4), the drive shaft is rotatably supported on upper bracket (4) by base bearing (13), institute
It states eccentricity regulating part (5) to fix on the driving shaft by crank-pin (6), the orbiter (3) passes through Moving plate bearing (16)
It may be rotatably mounted on eccentricity regulating part (5), the collection chamber (S) is formed in bottom and the upper bracket of Moving plate bearing (16)
(4) between the groove at the top of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671920.9A CN110360104A (en) | 2019-07-24 | 2019-07-24 | A kind of oil channel structures for rotary machine and the screw compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671920.9A CN110360104A (en) | 2019-07-24 | 2019-07-24 | A kind of oil channel structures for rotary machine and the screw compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110360104A true CN110360104A (en) | 2019-10-22 |
Family
ID=68219838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910671920.9A Pending CN110360104A (en) | 2019-07-24 | 2019-07-24 | A kind of oil channel structures for rotary machine and the screw compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982942A (en) * | 2021-11-23 | 2022-01-28 | 珠海格力电器股份有限公司 | Oil circuit structure, scroll compressor and air conditioner |
-
2019
- 2019-07-24 CN CN201910671920.9A patent/CN110360104A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982942A (en) * | 2021-11-23 | 2022-01-28 | 珠海格力电器股份有限公司 | Oil circuit structure, scroll compressor and air conditioner |
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