CN205955781U - Turbocharger bearing sleeve and turbo charger - Google Patents
Turbocharger bearing sleeve and turbo charger Download PDFInfo
- Publication number
- CN205955781U CN205955781U CN201620717264.3U CN201620717264U CN205955781U CN 205955781 U CN205955781 U CN 205955781U CN 201620717264 U CN201620717264 U CN 201620717264U CN 205955781 U CN205955781 U CN 205955781U
- Authority
- CN
- China
- Prior art keywords
- bearing
- angular contact
- hole
- diameter
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Supercharger (AREA)
Abstract
The utility model relates to a turbocharger bearing sleeve and contain this bearing sleeve's turbo charger, bearing sleeve includes cartridge type sleeve body always, the sleeve body has the shaft hole that its axis of edge link up, the pressure end and the whirlpool end inboard of sleeve body all are provided with the bearing position hole of placing angular contact bearing, and bearing position hole diameter is greater than the diameter in shaft hole, press the bearing position hole bottom portion of end to be provided with ring shape boss, the diameter of ring shape boss is less than the diameter in bearing position hole, be greater than the diameter in shaft hole. Press and to be provided with the wave spring packing ring in the hole of the ring shape boss of end, the wave spring packing ring with angular contact bearing's outer ring end face contact, the wave spring packing ring is given angular contact bearing provides the pretightning force, the restriction of ring shape boss angular contact bearing's moving range.
Description
Technical field
This utility model patent is related to turbo-charger technical field and in particular to a kind of angular contact ceramic ball bearings are tied
The design of structure arrangement is it is adaptable to the application of all kinds of gasoline, diesel engine exhaust turbocharger.
Background technology
With use on exhaust-driven turbo-charger exhaust-gas turbo charger for the angular contact ceramic ball bearings, in the case of ensureing pretightning force,
Axial precision is adjustable, changes because of accuracy of manufacture height, and supercharger manufacturer can not voluntarily produce it is necessary to rely on bearing manufacturer overall
Supply after bearing mnanufacture to supercharger manufacturer.This separate structure arrangement achieves same technical requirements.
In existing turbocharger, because of the Flexible change of wavy spring packing ring, cause turbine rotor shaft and angular contact axle
Hold axial movement excessive, cause angular contact ceramic bearing to scatter, the problem of turbocharger impairment and wiping shell.In axial processing dimension
When can not meet matching requirements, need to determine by the way of practical set that adjustment gasket thickness to ensure the essence of axial gap
Degree.
Utility model content
For solving the above problems, this utility model provides a kind of turbo-charger bearing sleeve and turbocharger.
Technical solution adopted in the utility model is：
A kind of turbo-charger bearing sleeve, it includes a straight barrel type sleeve body, and described sleeve body has an edge
It is provided with the bearing positioning coaxial with described axis hole inside the axis hole of its axis insertion, the pressure side of described sleeve body and whirlpool end
Hole, described bearing location hole is with diameter greater than the diameter of described axis hole, its key technology：
The bearing location hole bottom of described pressure side is provided with round ring boss, and the diameter of described round ring boss is less than described
The diameter of bearing location hole, the diameter more than described axis hole.
Further, the hole that described round ring boss is surrounded is bellmouth, and the aperture of this bellmouth is from outside to inside gradually
Reduce.
A kind of turbocharger it is characterised in that：Including bearing body, turbine rotor shaft, oil sealing cap, axle envelope set, compressor
Impeller and impeller locking nut, also include bearing sleeve as above and two angular contact bearings；
Described axle bearing sleeve is fixed and is connected to described bearing body, described axle envelope set, compressor by described oil sealing cap
Impeller is successively set on described turbine rotor shaft, and the described impeller locking nut by the left-hand end of described turbine rotor shaft is tight
Gu；
Angular contact bearing described in two is sleeved on described turbine rotor shaft, and described bearing sleeve is sleeved on described turbine rotor
On axle, and two described angular contact bearings are arranged in the bearing location hole at described bearing sleeve two ends, the angular contact axle at whirlpool end
Hold and be provided with adjustment packing ring and bearing location hole between, in the hole of the round ring boss of pressure side, be provided with wavy spring packing ring, institute
The cycle surface stating wavy spring packing ring with described angular contact bearing contacts, and described wavy spring packing ring gives described angular contact bearing
There is provided pretightning force, described round ring boss limits the moving range of described angular contact bearing.
Have the beneficial effects that using produced by technique scheme：
This utility model structure is simple, by designing the boss of stop bit in the bearing location hole of the pressure side in bearing sleeve,
Allow angular contact bearing cycle surface to move to during lug boss position to be blocked and limit its movement, allow the pressure of wavy spring packing ring simultaneously
Pretightning force with angular contact bearing is stable, and axial internal clearance can be by the adjustment packing ring at whirlpool end come precise control, thus realizing producing
The reliability of product.
Wherein, the axial internal clearance of the angular contact bearing of pressure side be bearing outer ring its right end face and described round ring boss it
Between spacing, this spacing realizes regulation and the control of above-mentioned spacing in assembling by installing the adjustment packing ring of different-thickness,
Meanwhile, in the presence of wavy spring packing ring, make the angular contact bearing of pressure side have certain pretightning force, when operating, its
The distance of axial motion is the distance of above-mentioned spacing, and this spacing can determine as the case may be and be adjusted as requested.With
When, by said structure, can by using various sizes of adjustment packing ring make up the manufacture of each part scale error it is ensured that
The stability of equipment and reliability after assembling.
The centre bore that the bearing of pressure side positions the annular boss of in the hole setting is mounting and adjusting gasket position, and this centre bore adds
Work is tapered, can adjust wavy spring packing ring assembling make its can self-centering, bearing face uniform force.
Brief description
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of bearing sleeve.
Fig. 2 is the structural representation of turbocharger.
Fig. 3 is the close-up schematic view in A portion in Fig. 2.
1 turbine rotor shaft, 2 adjustment packing rings, 3 bearing sleeves, 3-1 pressure side, 3-2 whirlpool end, 3-3 axis hole, 3-4 bearing positioning
Hole, 3-5 the 3rd shoulder, 3-6 boss, 3-7 sleeve body, 3-8 first shoulder, 3-9 second shoulder, 4 wavy spring packing rings, 5 jiaos
Contact bearing, 6 check rings, 7 axle envelope sets, 8 compressor impellers, 9 impeller locking nuts, 10 pressure side sealing rings, 11 oil baffles, 12
Oil sealing cap, 13 O-ring, 14 oil sealing cap screws, 15 spring catch, 16 bearing bodies, 17 heat shields, 18 whirlpool end sealing rings.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and specific embodiment
Clear, complete description is carried out to utility model.
Embodiment 1
A kind of turbo-charger bearing sleeve as shown in Figure 1, it includes straight barrel type sleeve body 3-7, described sleeve
Body 3-7 has an axis hole 3-3 along its axis insertion, inside pressure side 3-1 of described sleeve body 3-7 and whirlpool end 3-2 all
It is provided with the bearing location hole 3-4 coaxial with described axis hole 3-3, described bearing location hole 3-4 is with diameter greater than described axis hole 3-3's
Diameter, the bearing location hole 3-4 bottom of described pressure side 3-1 is provided with round ring boss 3-6, and described round ring boss 3-6's is straight
Footpath is less than the diameter of described bearing location hole 3-4, the diameter more than described axis hole 3-3.Described axis hole 3-3, the boss 3-6 of annular
And bearing location hole 3-4 forms shoulder hole.Specifically, described pressure side 3-1 side, the end face outside of round ring boss 3-6 and axle
Holding between the inwall of location hole 3-4 is the first shoulder 3-8, and the end face of the medial wall of round ring boss 3-6 and axis hole 3-3 is second
Shoulder 3-9, the end face being formed between whirlpool end 3-2 side, the inwall of bearing location hole 3-4 and described axis hole 3-3 is the 3rd
Shoulder 3-5.
The endoporus of round ring boss 3-6 can be cylindrical hole, and its aperture is more than the external diameter of wavy spring packing ring 4.As
Preferably, the hole that described round ring boss 3-6 is surrounded is bellmouth, and the aperture of this bellmouth is gradually reduced from outside to inside.Its bottom
End internal diameter is suitable with wavy spring packing ring 4 external diameter, makes wavy spring packing ring 4 fairly fall in the centre bore of round ring boss 3-6
Bottom, is contacted with the second shoulder 3-9, but can not move with axially vertical direction.
Embodiment 2
As shown in Figures 2 and 3 be a kind of turbocharger, it include bearing body 16, turbine rotor shaft 1, pressure side sealing ring 10,
Oil baffle 11, O-ring 13, oil sealing cap screw 14, spring catch 15, heat shield 17, whirlpool end sealing ring 18, oil sealing cap 12, axle envelope set
7th, compressor impeller 8 and impeller locking nut 9, also includes bearing sleeve 3 as described in Example 1 and two angular contact bearings 5；
Described axle bearing sleeve 3 is fixed and is connected to described bearing body 16 by described oil sealing cap 12, described axle envelope set 7, gas compressor blade
Wheel 8 is successively set on described turbine rotor shaft 1, and the described impeller locking nut of the left-hand end by described turbine rotor shaft 1
9 fastenings.
Angular contact bearing 5 described in two is sleeved on described turbine rotor shaft 1, and described bearing sleeve 3 is sleeved on described turbine
On armature spindle 1, and two described angular contact bearings 5 are arranged in the bearing location hole 3-4 at described bearing sleeve 3 two ends, whirlpool end
It is provided with adjustment between bottom the 3rd shoulder 3-5 of the bearing outer ring end face of the angular contact bearing 5 of 3-2 and bearing location hole 3-4
Packing ring 2, is provided with wavy spring packing ring 4 in the hole of round ring boss 3-6 of pressure side 3-1, wavy spring packing ring 4 passes through described the
Two shoulder 3-9 support, and described wavy spring packing ring 4 is contacted with the outer ring of described angular contact bearing 5, described wavy spring packing ring 4
There is provided pretightning force to described angular contact bearing 5, described round ring boss 3-6 limits the moving range of described angular contact bearing 5.Institute
Stating angular contact bearing 5 is angular contact ceramic ball bearings.
Two angular contact ceramic ball bearings are that back-to-back mode is installed, and bearing outer ring is fixed with the bearing of bearing sleeve 3
Position hole 3-4 is small-gap suture cooperation, can move axially, and bearing inner race is also small-gap suture cooperation with the external diameter of turbine rotor shaft 1.This
There is oil lubrication in a little gaps, have shock-absorbing functions.
After technique scheme assembling, the round ring boss 3-6 in bearing sleeve 3 is rolled with the angular contact pottery of this side
Gap L between the bearing outer ring right-hand member end face of pearl bearing is its axially movable ultimate range, the big I root of this gap L
After determining according to concrete condition, the adjustment packing ring by using different-thickness to realize the regulation of this gap length, after assembling,
Make wavy spring packing ring be in compressive state, provide pretightning force to bearing, with turbine rotor shaft 1 by axial force to the right not
Disconnected increase, wavy spring packing ring 4 axial movement makes above-mentioned spacing diminish, and when above-mentioned spacing is changing into 0, bearing outer ring end face supports
Lean against on the shoulder 3-8 of boss 3-6, limited further vibration, angular contact ceramic bearing can be avoided simultaneously to scatter and be pressurized
Device damages and wipes the problem of shell.
By the adjustment to adjustment packing ring 2, the top part of bearing outer ring right-hand member end face realizing left side angular contact bearing 5 arrives
The adjustment in the boss 3-6 endface position gap of bearing sleeve 3（This mobile space can be determined as the case may be）, also allow ripple simultaneously
Shape spring washer 4 is pressed on the bearing outer ring right-hand member end face lower portion of left side angular contact bearing 5, defines angular contact bearing 5
Pretightning force is stable, and axial movement is controlled.The bearing outer ring right-hand member end face achieving angular contact bearing 5 should be spacing, bears again
The pretightning force of wavy spring packing ring 4, also will have the technical requirements of a range of movement.
By the centre bore of round ring boss 3-6 is designed as bellmouth, and this bellmouth base diameter and wavy spring
The external diameter of packing ring 4 is identical, when mounted, can make wavy spring packing ring 4 self-centering so as to angular contact bearing 5 with this side
Cycle surface stably contact, prevent wavy spring packing ring from moving radially and lead to it eccentric.
Finally it should be noted that：Above example only in order to the technical solution of the utility model to be described, is not intended to limit；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It still can be modified to the technical scheme described in previous embodiment, or wherein some technical characteristics are equal to
Replace；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this utility model embodiment technical scheme
Spirit and scope.
Claims (3)
1. a kind of turbo-charger bearing sleeve, it includes a straight barrel type sleeve body（3-7）, described sleeve body（3-7）Tool
There is an axis hole along its axis insertion（3-3）, described sleeve body（3-7）Pressure side（3-1）With whirlpool end（3-2）Inner side is all provided with
It is equipped with and described axis hole（3-3）Coaxial bearing location hole（3-4）, described bearing location hole（3-4）With diameter greater than described axis hole
（3-3）Diameter it is characterised in that：
Described pressure side（3-1）Bearing location hole（3-4）Bottom is provided with round ring boss（3-6）, described round ring boss（3-
6）Diameter be less than described bearing location hole（3-4）Diameter, be more than described axis hole（3-3）Diameter.
2. a kind of turbo-charger bearing sleeve according to claim 1 it is characterised in that：Described round ring boss（3-
6）The hole being surrounded is bellmouth, and the aperture of this bellmouth is gradually reduced from outside to inside.
3. a kind of turbocharger it is characterised in that：Including bearing body（16）, turbine rotor shaft（1）, oil sealing cap（12）, axle envelope
Set（7）, compressor impeller（8）With impeller locking nut（9）, also include bearing sleeve as claimed in claim 1 or 2（3）With
Two angular contact bearings（5）；
Described oil sealing cap（12）By described bearing sleeve（3）Fix and connect to described bearing body（16）Interior, described axle envelope set
（7）, compressor impeller（8）It is successively set on described turbine rotor shaft（1）On, and by described turbine rotor shaft（1）Left-hand end
Described impeller locking nut（9）Fastening；
Angular contact bearing described in two（5）It is sleeved on described turbine rotor shaft（1）On, described bearing sleeve（3）It is sleeved on described whirlpool
Wheel armature spindle（1）On, and two described angular contact bearings（5）It is arranged on described bearing sleeve（3）The bearing location hole at two ends（3-
4）In, whirlpool end（3-2）Angular contact bearing（5）With bearing location hole（3-4）Between be provided with adjustment packing ring（2）, pressure side（3-1）
Round ring boss（3-6）Hole in be provided with wavy spring packing ring（4）, described wavy spring packing ring（4）With described angular contact
Bearing（5）Cycle surface contact, described wavy spring packing ring（4）To described angular contact bearing（5）Pretightning force, described circle are provided
Annular boss（3-6）Limit described angular contact bearing（5）Moving range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717264.3U CN205955781U (en) | 2016-07-08 | 2016-07-08 | Turbocharger bearing sleeve and turbo charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717264.3U CN205955781U (en) | 2016-07-08 | 2016-07-08 | Turbocharger bearing sleeve and turbo charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955781U true CN205955781U (en) | 2017-02-15 |
Family
ID=57969001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620717264.3U Expired - Fee Related CN205955781U (en) | 2016-07-08 | 2016-07-08 | Turbocharger bearing sleeve and turbo charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014501A (en) * | 2016-07-08 | 2016-10-12 | 张运波 | Turbocharger bearing sleeve and turbocharger |
| CN110043561A (en) * | 2019-04-25 | 2019-07-23 | 西安交通大学 | A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing |
-
2016
- 2016-07-08 CN CN201620717264.3U patent/CN205955781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014501A (en) * | 2016-07-08 | 2016-10-12 | 张运波 | Turbocharger bearing sleeve and turbocharger |
| CN110043561A (en) * | 2019-04-25 | 2019-07-23 | 西安交通大学 | A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2573362B1 (en) | Turbocharger comprising a sleeve | |
| CN106014501B (en) | A kind of turbo-charger bearing sleeve and turbocharger | |
| CN205955781U (en) | Turbocharger bearing sleeve and turbo charger | |
| US20150147204A1 (en) | Turbocharger comprising a floating bush bearing | |
| CN204755000U (en) | Turbo charger of semifloating bearing with collect and float and thrust function in an organic whole | |
| CN207893093U (en) | A kind of high-precision Worm and Worm Gear Driving gap structure for quick adjusting | |
| CN202611778U (en) | Positioning structure for gasoline engine turbocharger bearing | |
| CN106438019A (en) | Turbocharger assembly | |
| CN110219936B (en) | Dynamic balance correcting structure for flywheel body | |
| CN202811847U (en) | Radial hydrodynamic sliding bearing | |
| CN202833322U (en) | Synchronous adjusting device of high-speed centrifugal fan inlet guide blades | |
| CN206129329U (en) | Adjustable spray nozzle device of axial compressor turbo charger | |
| CN110578745B (en) | Engine crankshaft thrust device and application | |
| CN108386237A (en) | A kind of micro turbine generator | |
| CN217462353U (en) | Aircraft engine rotor | |
| CN210371168U (en) | Device for reducing noise of electric scroll compressor | |
| CN203702850U (en) | Ball bearing unit for turbocharger | |
| CN208330469U (en) | A kind of micro turbine generator | |
| CN105782252A (en) | Bearing location mechanism of internal combustion engine | |
| CN109737137A (en) | A kind of biserial roller angular contact bearing | |
| CN208934801U (en) | A kind of shaking tray mechanism that drive line angle is adaptive | |
| CN207454033U (en) | A kind of nozzle assembly synchronization ring location structure | |
| CN207841116U (en) | A kind of self-positioning rocking arm shift fork mounting structure | |
| CN202056191U (en) | Turbocharger bearing | |
| CN206694414U (en) | A kind of back-up ring with oil leak hole for booster floating bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 |