CN207539072U - A kind of turbocharger rotor axis - Google Patents
A kind of turbocharger rotor axis Download PDFInfo
- Publication number
- CN207539072U CN207539072U CN201721599190.9U CN201721599190U CN207539072U CN 207539072 U CN207539072 U CN 207539072U CN 201721599190 U CN201721599190 U CN 201721599190U CN 207539072 U CN207539072 U CN 207539072U
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- CN
- China
- Prior art keywords
- rotational segment
- rotor axis
- connecting pole
- turbocharger rotor
- armature spindle
- 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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Abstract
The utility model discloses a kind of turbocharger rotor axis, belong to internal combustion engine of motor vehicle booster accessories technical field, it solves since machine oil and armature spindle contact area are insufficient, it can frequently result in the speed of the heat of armature spindle generation compared with the speed than heat dissipation faster, it is easy to cause the problem of armature spindle overheat damages, its key points of the technical solution are that a kind of turbocharger rotor axis, including the first rotational segment, second rotational segment and the rotation lubrication section between the first rotational segment and the second rotational segment, the rotation lubrication section includes circumferentially being recessed the connecting pole concentric with the first rotational segment and the second rotational segment, the connecting pole circumferential side wall is provided with several blades, the contact area between armature spindle and machine oil can be increased, promote the heat dissipation effect of armature spindle.
Description
Technical field
The utility model belongs to internal combustion engine of motor vehicle booster accessories technical field, specifically a kind of turbocharger
Armature spindle.
Background technology
At present in the machinery industries such as automobile making, internal combustion engine, due to being limited by national emission regulation, turbocharging
Engine is increasingly favored by major depot and user.Exhaust-driven turbo-charger exhaust-gas turbo charger is mainly the exhaust gas using engine discharge
Inertia impulsive force pushes the turbine in turbine, and turbine drives coaxial pinch roller again, pinch roller force feed is sent by air cleaner pipeline
The air come is allowed to supercharging and enters cylinder.When engine speed is speeded, the exhaust gas velocity of discharge and secondary speed also synchronize speed,
Pinch roller just compresses more air and enters cylinder, and the pressure and density of air increase more fuel that can burn, corresponding to increase
Fuel quantity can increase the output power of engine.In general, install engine power and torque after turbocharger additional
Increase 20% -30%.
Turbocharger of the prior art as shown in Figure 3, including being provided with the turbine room 81 of turbine 811, being used for
The cooling chamber 82 that cool down to armature spindle and the blade wheel chamber 83 for being provided with impeller 831, wherein offer confession in cooling chamber 82
The oil inlet 821 and the oil outlet 822 for machine oil discharge cooling chamber 82 that machine oil enters cooling chamber 82, armature spindle outer sheath are equipped with
Two floating bearings 823, offer on floating bearing 823 for machine oil by oil filler point 8231, enter cooling chamber from oil inlet 821
82 machine oil absorbs the heat on armature spindle by being contacted after the oil filler point 8231 on floating bearing 823 with armature spindle
It discharges from oil outlet 822 and cools down to armature spindle later.
Turbocharger is typically mounted on the exhaust outlet side of engine, and armature spindle turns turbocharger at work
Speed is very high, so that the operating temperature in turbocharger is very high, it usually can be because of machine oil with turning during use
Sub- axis contact area is insufficient, and the speed of heat that can frequently result in armature spindle generation compared with the speed than heat dissipation faster, is easy to cause
Armature spindle overheat damages.
Utility model content
The purpose of this utility model is to provide a kind of turbocharger rotor axis, can increase between armature spindle and machine oil
Contact area promotes the heat dissipation effect of armature spindle.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of turbocharger rotor axis, including the first rotational segment, the second rotational segment and positioned at the first rotational segment and
Rotation lubrication section between two rotational segments, the rotation lubrication section include circumferential be recessed and are rotated with the first rotational segment and second
The concentric connecting pole of section, the connecting pole circumferential side wall are provided with several blades.
By using above-mentioned technical proposal, floating bearing is arranged outside the first rotational segment and the second rotational segment, machine oil passes through floating
Pouring orifice in dynamic bearing enters inside booster can be by exchanging on armature spindle while being lubricated to armature spindle
The heat of armature spindle is taken away in discharge after heat, can increase the contact area of machine oil and armature spindle by the design of blade, together
When blade machine oil can be stirred when rotated, machine oil is made more fully to be contacted with armature spindle, so promoted heat pass
The effect led, allows armature spindle preferably to radiate.
Preferably, the axle center of the blade and connecting pole distance is straight no more than the first rotational segment and the second rotational segment
Diameter.
By using above-mentioned technical proposal, needed during armature spindle when mounted by floating bearing be set in the first rotational segment and
On the outside of second rotational segment, and the internal diameter of floating bearing is just slightly larger than the diameter of the first rotational segment and the second rotational segment, by by leaf
The axle center of piece and connecting pole distance can allow a floating axle no more than the design of the diameter of the first rotational segment and the second rotational segment
It holds and is directly socketed in the first rotational segment, then another floating bearing is socketed in the second rotational segment by rotation lubrication section,
The installation of floating bearing can be facilitated.
Preferably, the blade is with connecting pole radial direction, there are angles.
By using above-mentioned technical proposal, blade can be designed so that blade exists with connecting pole radial direction there are angle
In the surface area with bigger in limited space, and then increase the contact area of armature spindle and machine oil, so as to preferably with machine
Oil exchanges heat dissipation.
Preferably, the blade lean direction is opposite with armature spindle direction of rotation.
By using above-mentioned technical proposal, the design opposite with armature spindle direction of rotation of blade lean direction can reduce leaf
The resistance that piece is generated when being driven and being rotated by armature spindle.
Preferably, the blade is arcuate structure.
By using above-mentioned technical proposal, blade can have the surface area of bigger for the design of arc shaped blade, so as to more preferable
Ground exchanges heat dissipation with machine oil.
Preferably, the circumferentially disposed several reinforcing props of connecting pole.
By using above-mentioned technical proposal, the design of reinforcing prop can increase the structural strength of armature spindle, while can be into
One step increases the contact area of armature spindle and machine oil, preferably exchanges heat dissipation.
Preferably, the connecting pole and the junction of the first rotational segment and the second rotational segment are arc transition.
By using above-mentioned technical proposal, connecting pole and the junction of the first rotational segment and the second rotational segment are arc transition
Design can be hardly damaged armature spindle to avoid the presence of armature spindle edge corner angle.
Preferably, the side of first rotational segment far from the second rotational segment is provided with turbine connecting pin, the turbine
Connecting pin circumferential direction offers seal groove.
By using above-mentioned technical proposal, seal groove can be used for being arranged sealing ring and then enhance the leakproofness of booster
Can, it can avoid causing the generation of oil leakage phenomenon to avoid the lubricating oil leakage in booster to outside.
Preferably, there are two the seal groove is spaced apart along turbine linkage section axial direction and sets.
Sealing ring can be arranged by using above-mentioned technical proposal, in two seal grooves, secondary seal is carried out to booster, into
And enhance the sealing performance of booster.
Preferably, the side of second rotational segment far from the first rotational segment is provided with sequentially connected impeller linkage section
With fixed thread section, circumferential direction offers jump-ring slot between the impeller linkage section and fixed thread section.
By using above-mentioned technical proposal, impeller linkage section external connection impeller, being arranged clamp spring in jump-ring slot can be by leaf
Axial limiting is taken turns, avoids impeller axially abjection armature spindle.
In conclusion the utility model has the advantages that：
When engine start drives turbine to be rotated, armature spindle is driven synchronous rotation, and machine oil is injected in booster
Portion swaps heat dissipation with armature spindle, and blade is in increase armature spindle with can stir machine oil while machine oil contact area
It is dynamic, machine oil is made to carry out adequately contacting the preferably heat dissipation for realizing armature spindle with armature spindle.
Description of the drawings
Fig. 1 is the schematic diagram of armature spindle；
Fig. 2 is the sectional view of armature spindle rotation lubrication section；
Fig. 3 is the internal structure schematic diagram of turbocharger in the prior art.
In figure, 1, turbine linkage section；11st, seal groove；2nd, the first rotational segment；3rd, the second rotational segment；4th, rotation lubrication section；
41st, connecting pole；42nd, blade；43rd, reinforcing prop；5th, impeller linkage section；6th, jump-ring slot；7th, fixed thread section；81st, turbine room；811、
Turbine；82nd, cooling chamber；821st, oil inlet；822nd, oil outlet；823rd, floating bearing；8231st, oil filler point；83rd, blade wheel chamber；831、
Impeller.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
With reference to Fig. 1, Fig. 2 and Fig. 3, the utility model proposes a kind of 8 armature spindle of turbocharger, including concentric setting
Turbine linkage section 1, the first rotational segment 2, rotation lubrication section 4, the second rotational segment 3, impeller linkage section 5 and fixed thread section 7.
The end of turbine linkage section 1 can be used for connection turbine 811, and 1 axially spaced ring of turbine linkage section is opened there are two close
Sealing groove 11.
First rotational segment 2 and the second rotational segment 3 are used to be arranged floating bearing 823, machine oil by cooling chamber 82 into
Hydraulic fluid port 821 enter cooling chamber 82 again by after the oil filler point 8231 on floating bearing 823 with the first rotational segment 2, the second rotational segment 3
It is contacted and is absorbed with rotation lubrication section 4 and discharged from oil outlet 822 after heat.
Rotation lubrication section 4 includes the connection formed to contract between the first rotational segment 2 and the second rotational segment 3
Column 41 and several blades 42 for being set in qually spaced in 41 outer perimeter wall of connecting pole, wherein 41 and first rotational segment 2 of connecting pole and
The junction of second rotational segment 3 is arc transition, and blade 42 and the longest distance in 41 axle center of connecting pole are rotated no more than first
The diameter of 2 and second rotational segment 3 of section.42 arc-shaped structure of blade and with 41 radial direction of connecting pole there are angle, blade 42
Direction is opposite when inclined direction is rotated with connecting pole 41, after engine start turbine 811 is driven rotation, armature spindle band movable vane
Piece 42 synchronizes rotation with turbine 811, and machine oil enters cooling chamber 82 and flowed along 42 inclined inclined-plane of blade, by blade
Machine oil can more fully contact suction with the first rotational segment 2, the second rotational segment 3, connecting pole 41 and blade 42 after 42 agitations
It is discharged after heat from oil outlet 822.
There are several cylinders between adjacent two blade 42 in 41 outside of connecting pole along its circumferential direction spaced set
Reinforcing prop 43,43 one end of reinforcing prop is connected with the first rotational segment 2, and the other end is connected with the second rotational segment 3.
Impeller linkage section 5 is arranged on side of second rotational segment 3 far from rotation lubrication section 4, and impeller linkage section 5 can connect leaf
Wheel 831, fixed thread section 7 is arranged on side of the impeller linkage section 5 far from the second rotational segment 3, impeller linkage section 5 and fixed thread
It is offered between section 7 for clamp spring（It is not shown in figure）The jump-ring slot 6 being arranged.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (10)
1. a kind of turbocharger rotor axis, including the first rotational segment（2）, the second rotational segment（3）And positioned at the first rotational segment
（2）With the second rotational segment（3）Between rotation lubrication section（4）, which is characterized in that the rotation lubrication section（4）Including all inside
Spill into the first rotational segment（2）With the second rotational segment（3）Concentric connecting pole（41）, the connecting pole（41）Circumferential side wall
It is provided with several blades（42）.
A kind of 2. turbocharger rotor axis according to claim 1, which is characterized in that the blade（42）With connecting pole
（41）Axle center distance no more than the first rotational segment and the second rotational segment diameter.
A kind of 3. turbocharger rotor axis according to claim 1, which is characterized in that the blade（42）With connecting pole
（41）There are angles for radial direction.
A kind of 4. turbocharger rotor axis according to claim 3, which is characterized in that the blade（42）Inclined direction
With connecting pole（41）Direction of rotation is opposite.
A kind of 5. turbocharger rotor axis according to claim 1, which is characterized in that the blade（42）For arc knot
Structure.
A kind of 6. turbocharger rotor axis according to claim 1, which is characterized in that the connecting pole（41）Circumferentially set
Put several reinforcing props（43）.
A kind of 7. turbocharger rotor axis according to claim 1, which is characterized in that the connecting pole（41）With first
Rotational segment（2）With the second rotational segment（3）Junction be arc transition.
A kind of 8. turbocharger rotor axis according to claim 1, which is characterized in that first rotational segment（2）Far
From the second rotational segment（3）Side be provided with turbine linkage section（1）, the turbine linkage section（1）Circumferential direction offers seal groove
（11）.
A kind of 9. turbocharger rotor axis according to claim 8, which is characterized in that the seal groove（11）Along turbine
Linkage section（1）There are two axial direction is spaced apart and sets.
A kind of 10. turbocharger rotor axis according to claim 1, which is characterized in that second rotational segment（3）Far
From the first rotational segment（2）Side be provided with sequentially connected impeller linkage section（5）With fixed thread section（7）, the impeller company
Connect section（5）With fixed thread section（7）Between circumferential direction offer jump-ring slot（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599190.9U CN207539072U (en) | 2017-11-24 | 2017-11-24 | A kind of turbocharger rotor axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599190.9U CN207539072U (en) | 2017-11-24 | 2017-11-24 | A kind of turbocharger rotor axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539072U true CN207539072U (en) | 2018-06-26 |
Family
ID=62615180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721599190.9U Expired - Fee Related CN207539072U (en) | 2017-11-24 | 2017-11-24 | A kind of turbocharger rotor axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757545A (en) * | 2018-07-06 | 2018-11-06 | 无锡市海星船舶动力有限公司 | The armature spindle that installation rigidized cover is bonded |
-
2017
- 2017-11-24 CN CN201721599190.9U patent/CN207539072U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757545A (en) * | 2018-07-06 | 2018-11-06 | 无锡市海星船舶动力有限公司 | The armature spindle that installation rigidized cover is bonded |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20191124 |