CN203702327U - Lubricating structure for turbocharger - Google Patents
Lubricating structure for turbocharger Download PDFInfo
- Publication number
- CN203702327U CN203702327U CN201320827594.4U CN201320827594U CN203702327U CN 203702327 U CN203702327 U CN 203702327U CN 201320827594 U CN201320827594 U CN 201320827594U CN 203702327 U CN203702327 U CN 203702327U
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- CN
- China
- Prior art keywords
- oil
- hole
- thrust
- bearing
- floating bearing
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a lubricating structure for a turbocharger. The lubricating structure for the turbocharger comprises an intermediate shell body, a thrust bearing, a turbine shaft and a floating bearing, wherein an oil injection hole is formed in the intermediate shell; the oil injection hole is communicated with an oil inlet channel; the oil inlet channel is provided with two oil outlets and a tail end oil outlet; an oil outlet hole is formed opposite to the oil injection hole; a thrust oil injection hole which penetrates through a top wall is formed in the thrust bearing; a lubricating hole which extends along and penetrates through the radial direction is formed close to each of the two ends of the floating bearing; an oil discharging hole is formed between the two lubricating holes; the floating bearing is sleeved on the turbine shaft; the two oil outlet holes in the oil inlet channel are communicated with the lubricating hole of the floating bearing; the tail end oil outlet in the oil inlet channel is communicated with the thrust oil injection hole of the thrust bearing; the oil discharging hole in the floating beating is communicated with the oil outlet of the intermediate shell body. By reasonably optimizing the relationship between the numbers and the positions of the oil injection holes and the oil discharging holes, oil is injected and discharged smoothly, the turbocharger is lubricated fully, and the service life of a turbo product is prolonged.
Description
Technical field
The utility model relates to a kind of turbosupercharger, relates in particular to a kind of lubricating structure of turbosupercharger.
Background technique
Turbosupercharging is a kind of technology of utilizing internal-combustion engine to operate the exhaust gas driven air compressor producing.Similar with super pressurized machine function, both can increase the air mass flow that enters internal-combustion engine or boiler, thereby make gear efficiency promote.Common for car engine, by utilizing heat and the flow of combustion gas, turbosupercharger can promote the horsepower output of internal-combustion engine.Because pressurized machine is arranged on exhaust one side of motor, so the operating temperature of pressurized machine is very high, and the rotating speed of pressurized machine rotor in the time of work is very high, can reach per minute tens0000 turns, it cannot be working rotor that so high rotating speed and temperature make common mechanical needle roller or ball bearing, therefore turbosupercharger generally adopts full floating bearing, be lubricated by machine oil, also have cooling liquid to be that pressurized machine carries out cooling, therefore the overall Lubrication Design of pressurized machine seems extremely important, therefore it is a kind of fully lubricated to need design badly, all lubricating structures comparatively smoothly of oiling and oil extraction.
Summary of the invention
The purpose of this utility model is in order to solve technical problem related in background technique, and a kind of lubricating structure of turbosupercharger is provided.
The technological scheme that the utility model is carried is: a kind of lubricating structure of turbosupercharger, comprises middle casing, thrust bearing, turbine shaft and floating bearing;
Described middle casing is provided with an oil hole, and described oil hole is communicated with oil input channel, and described oil input channel is provided with two oil outlets and an end oil outlet, relative with the described oil hole oil outlet that is provided with;
Described thrust bearing is provided with a thrust tank filler sleeve that runs through roof, and described thrust bearing is also provided with an opening portion, and described opening portion communicates with thrust tank filler sleeve, and described opening portion is provided with a sidewall straight and oblique thrust tank filler sleeve;
Near two ends of described floating bearing, be respectively provided with a lubrication hole that radially extends and run through, the oil drainage hole being provided with between 2 described lubrication holes, the aperture of described oil drainage hole is greater than the aperture of lubrication hole;
Described floating bearing is set on turbine shaft, in described middle casing is wrapped in thrust bearing, turbine shaft and floating bearing, two oil outlets on described oil input channel communicate with the lubrication hole of floating bearing, end oil outlet on described oil input channel communicates with the thrust tank filler sleeve of thrust bearing, and the oil drainage hole on described floating bearing communicates with the oil outlet of middle casing.
Preferred as one of the present utility model, the aperture of described oil hole be arranged on mounting hole aperture on floating bearing 0.6-0.8 doubly.
Preferred as one of the present utility model, on described turbine shaft, turbofan is installed, described turbofan is provided with matrix and blade, described blade is provided with forward position, outer and rear edge, the height that extend along turbine shaft radial direction in described forward position is 32-34mm, and the height that extend along turbine shaft radial direction on described rear edge is 38-40mm.
In sum, the utlity model has following advantage:
The utility model is simple in structure, by reasonably optimizing note, quantity and the position relationship of oil extraction, make oiling and oil extraction all comparatively smooth and easy, fully lubricated, extended working life of turbosupercharging product.
Accompanying drawing explanation
Fig. 1 is a new embodiment of this practicality schematic diagram;
Fig. 2 is the schematic diagram of turbine shaft in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, with embodiment, the utility model is described in further detail.
A lubricating structure for turbosupercharger as shown in Figure 1-2, comprises middle casing 1, thrust bearing 2, turbine shaft 3 and floating bearing 4;
Described middle casing 1 is provided with an oil hole 11, and described oil hole 11 is communicated with oil input channel 12, and described oil input channel 12 is provided with two oil outlets 13 and an end oil outlet 14, relative with described oil hole 11 oil outlet 14 that is provided with;
Described thrust bearing 2 is provided with a thrust tank filler sleeve 21 that runs through roof, and described thrust bearing 2 is also provided with an opening portion 22, and described opening portion 22 communicates with thrust tank filler sleeve 21, and described opening portion 22 is provided with a sidewall 23 straight and oblique thrust tank filler sleeve 21;
Near two ends of described floating bearing 4, be respectively provided with a lubrication hole radially extending and run through 41, the oil drainage hole 42 being provided with between 2 described lubrication holes 41, the aperture of described oil drainage hole 42 is greater than the aperture of lubrication hole 41;
Described floating bearing 4 is set on turbine shaft 3, in described middle casing 1 is wrapped in thrust bearing 2, turbine shaft 3 and floating bearing 4, two oil outlets 13 on described oil input channel 12 communicate with the lubrication hole 41 of floating bearing 4, end oil outlet 14 on described oil input channel 12 communicates with the thrust tank filler sleeve 21 of thrust bearing 2, and the oil drainage hole 42 on described floating bearing 4 communicates with the oil outlet 14 of middle casing 1.The aperture of described oil hole 11 is to be arranged on 0.6 or 0.7 or 0.8 times of mounting hole aperture on floating bearing 4.On described turbine shaft 3, turbofan 31 is installed, described turbofan 31 is provided with matrix 32 and blade 33, described blade 33 is provided with forward position 331, outer 332 and rear along 333, the height that extend along turbine shaft 3 radial direction in described forward position 331 is 32 or 33 or 34mm, described rear be 38 or 39 or 40mm along 333 height that extend along turbine shaft 3 radial direction.
More than explanation is only to explanation of the present utility model, make those of ordinary skills' can completely implement this programme, but be not to restriction of the present utility model, those skilled in the art are reading after this specification and can make to the present embodiment the modification that there is no creative contribution as required, and these are all not creative modifications.But as long as within the scope of claim of the present utility model, be all subject to the protection of Patent Law.
Claims (3)
1. a lubricating structure for turbosupercharger, is characterized in that: comprise middle casing (1), thrust bearing (2), turbine shaft (3) and floating bearing (4);
Described middle casing (1) is provided with an oil hole (11), described oil hole (11) is communicated with oil input channel (12), described oil input channel (12) is provided with two oil outlets (13) and an end oil outlet (14), relative with described oil hole (11) oil outlet (14) that is provided with;
Described thrust bearing (2) is provided with a thrust tank filler sleeve (21) that runs through roof, described thrust bearing (2) is also provided with an opening portion (22), described opening portion (22) communicates with thrust tank filler sleeve (21), and described opening portion (22) is provided with a sidewall (23) straight and oblique thrust tank filler sleeve (21);
Near two ends of described floating bearing (4), be respectively provided with a lubrication hole radially extending and run through (41), the oil drainage hole (42) being provided with between 2 described lubrication holes (41), the aperture of described oil drainage hole (42) is greater than the aperture of lubrication hole (41);
Described floating bearing (4) is set on turbine shaft (3), described middle casing (1) is by thrust bearing (2), in turbine shaft (3) and floating bearing (4) are wrapped in, two oil outlets (13) on described oil input channel (12) communicate with the lubrication hole (41) of floating bearing (4), end oil outlet (14) on described oil input channel (12) communicates with the thrust tank filler sleeve (21) of thrust bearing (2), oil drainage hole (42) on described floating bearing (4) communicates with the oil outlet (14) of middle casing (1).
2. the lubricating structure of a kind of turbosupercharger according to claim 1, is characterized in that: the aperture of described oil hole (11) is for being arranged on the 0.6-0.8 times in mounting hole aperture floating bearing (4) on.
3. the lubricating structure of a kind of turbosupercharger according to claim 1, it is characterized in that: turbofan (31) is installed on described turbine shaft (3), described turbofan (31) is provided with matrix (32) and blade (33), described blade (33) is provided with forward position (331), outer (332) and rear edge (333), the height that extend along turbine shaft (3) radial direction in described forward position (331) is 32-34mm, and the height that extend along turbine shaft (3) radial direction on described rear edge (333) is 38-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320827594.4U CN203702327U (en) | 2013-12-09 | 2013-12-09 | Lubricating structure for turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320827594.4U CN203702327U (en) | 2013-12-09 | 2013-12-09 | Lubricating structure for turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702327U true CN203702327U (en) | 2014-07-09 |
Family
ID=51052780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320827594.4U Expired - Fee Related CN203702327U (en) | 2013-12-09 | 2013-12-09 | Lubricating structure for turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725124A (en) * | 2017-09-30 | 2018-02-23 | 嘉兴博瑞涡轮增压技术有限公司 | A kind of turbocharger with conspicuousness anti-acoustic capability |
-
2013
- 2013-12-09 CN CN201320827594.4U patent/CN203702327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725124A (en) * | 2017-09-30 | 2018-02-23 | 嘉兴博瑞涡轮增压技术有限公司 | A kind of turbocharger with conspicuousness anti-acoustic capability |
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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: 20140709 Termination date: 20181209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |