CN220748390U - Supercharger input end assembly with integral bearing seat - Google Patents
Supercharger input end assembly with integral bearing seat Download PDFInfo
- Publication number
- CN220748390U CN220748390U CN202322484994.6U CN202322484994U CN220748390U CN 220748390 U CN220748390 U CN 220748390U CN 202322484994 U CN202322484994 U CN 202322484994U CN 220748390 U CN220748390 U CN 220748390U
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- bearing
- supercharger
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- seat
- row
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- 238000007789 sealing Methods 0.000 claims description 22
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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- Supercharger (AREA)
Abstract
The utility model discloses a mechanical supercharger input end assembly with an integral bearing seat, which comprises a supercharger shell and an input shaft extending into the supercharger shell, wherein an opening for installing the input end assembly is formed in the supercharger shell, the input end assembly comprises the integral bearing seat, an air seal, a coupler and a double-row bearing and a single-row bearing which are arranged in the integral bearing seat, the integral bearing seat is fixed in the opening, the coupler is arranged in the supercharger shell along the axial direction of the double-row bearing and the single-row bearing, and the input shaft extends into the supercharger shell through the integral bearing seat and the coupler.
Description
Technical Field
The utility model relates to the field of mechanical superchargers, in particular to a mechanical supercharger input end assembly with an integral bearing seat.
Background
The mechanical supercharger can increase the air pressure and density in the air inlet pipe, and more air is pressed into the engine, so that each cycle of the engine can burn more fuel, the power per liter and the average effective pressure of the engine are improved, and the dynamic property, the fuel economy and the emission of the automobile are improved. In order to make the effect that the mechanical supercharger used better, increase the air inlet area of the air of intake duct, be favorable to reducing pressure loss, the dynamic response is more rapid.
The prior mechanical booster structure is as follows: a supercharger structure, patent No.: CN113250808B still has some problems in practical applications, such as that the whole input end has only one support bearing, resulting in a lower life of the whole bearing system, no seal is provided between the bearing system and the internal air flow channel of the supercharger housing, resulting in slight dust entering the bearing after engine air filtration, further resulting in increased bearing noise and reduced life.
In view of the above problems, the present application proposes a solution.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a mechanical supercharger input end assembly with an integral bearing seat, which can prolong the service life of a bearing, and simultaneously seal an air flow channel in the mechanical supercharger with an input end completely to prevent air in the flow channel from leaking.
The technical scheme is as follows: the utility model relates to a mechanical supercharger input end assembly with an integral bearing seat, which comprises a supercharger shell and an input shaft extending into the supercharger shell, wherein an opening for installing the input end assembly is formed in the supercharger shell, the input end assembly comprises the integral bearing seat, a double-row bearing arranged in the integral bearing seat, a single-row bearing arranged in the integral bearing seat, an air seal and a coupler, the integral bearing seat is fixed in the opening, the double-row bearing and the single-row bearing are respectively arranged at two sides of the inside of the integral bearing seat, the air seal is arranged on the outer side of the single-row bearing in the axial direction, the coupler is arranged in the supercharger shell along the axial direction of the double-row bearing and the single-row bearing, and the input shaft penetrates through the integral bearing seat and the coupler and extends into the supercharger shell.
Preferably, the double-row bearing is arranged at one end, close to the outer side of the supercharger shell, of the inner side of the integral bearing seat, and a first check ring is arranged on the outer side of the double-row bearing in the axial direction and used for limiting the double-row bearing in the axial direction; the single-row bearing is arranged at one end, close to the inner side of the supercharger shell, of the inner side of the integral bearing seat, and sealing of the inner part of the integral bearing seat is completed through air sealing.
The double-row bearing is adopted, so that bearing load born by the bearing can be reduced, and the service life of the bearing is prolonged.
Preferably, the inner rings of the single-row bearing and the double-row bearing are in interference fit with the input shaft.
Preferably, an oil seal seat is arranged on the outer side of the air seal in the axial direction, a first sealing groove is arranged on the outer wall of the oil seal seat, and a first sealing ring is arranged in the first sealing groove to prevent gas in the supercharger shell from entering the integral bearing seat through the oil seal seat.
The arrangement of the oil seal seat prevents air flow in the mechanical supercharger and slight dust carried by the air flow from entering the integral bearing seat, so that the bearing is damaged.
Preferably, a second check ring is arranged on the outer side of the oil seal seat, and the second check ring is axially limited to the oil seal seat.
Preferably, a pulley is arranged axially outside the double-row bearing, and is connected with a hub assembled at the end of the input shaft by a bolt.
The belt pulley connected by the bolts is convenient to replace, and is suitable for more application scenes.
Preferably, the outer wall of the integral bearing seat is provided with at least one second sealing groove, and a second sealing ring is arranged in the second sealing groove to prevent gas in the supercharger shell from leaking out through the integral bearing seat.
Preferably, the aperture is larger than the hub diameter of the coupling.
The setting that trompil aperture is greater than the wheel hub diameter of shaft coupling is convenient for pass in the shaft coupling wheel hub when installation, gets into the booster casing.
The beneficial effects are that:
(1) The bearing load in the application is completed through the double-row bearing and the single-row bearing, and particularly, the two bearings are arranged in the double-row bearing, so that the load of any one bearing in the double-row bearing is obviously reduced relative to that of the traditional single bearing, and the service life of the bearing is prolonged;
(2) The dust in the air flow channel cannot enter the bearing through the arrangement of the sealing pieces, so that the service life of the bearing is obviously prolonged, and meanwhile, the air flow channel in the shell of the mechanical supercharger can be sealed in the shell through the arrangement of the sealing pieces, so that the air flow channel cannot overflow;
(3) The belt pulley has bolted connection in this application, and convenient to detach changes the belt pulley of different specifications, adaptation multiple different application scenario.
Drawings
FIG. 1 is a cross-sectional view of the present application;
fig. 2 is an enlarged cross-sectional view of the input end of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number" is two or more, unless explicitly defined otherwise.
As shown in fig. 1-2, in the cross-section schematic view of the present application, in the present embodiment, the turbocharger comprises a turbocharger housing 1 and an input shaft 2 extending into the turbocharger housing 1, wherein an opening 3 for installing an input end assembly is provided on the turbocharger housing 1, the input end assembly comprises an integral bearing seat 4, a double-row bearing 5 arranged in the integral bearing seat 4, a single-row bearing 7 arranged in the integral bearing seat 4, an air seal 8 and a coupling 6, the integral bearing seat 4 is fixed in the opening 3, the double-row bearing 5 and the single-row bearing 7 are respectively arranged on two sides in the integral bearing seat 4, the air seal 8 is arranged on the outer side of the single-row bearing 7 in the axial direction, the coupling 6 is arranged in the turbocharger housing 1 along the axial direction of the double-row bearing 5 and the single-row bearing 7, and the input shaft 2 extends into the inside of the turbocharger housing 1 through the integral bearing seat 4 and the coupling 6.
In the embodiment, the double-row bearing 5 is arranged at one end, close to the outer side of the supercharger housing 1, of the inner side of the integral bearing seat 4, a first check ring 51 is arranged on the outer side of the double-row bearing 5 in the axial direction, the first check ring 51 axially limits the double-row bearing 5, and meanwhile, the double-row bearing 5 can be limited in a bolt connection or riveting mode; the single-row bearing 7 is arranged at one end, close to the inner side of the supercharger shell 1, of the inner side of the integral bearing seat 4, sealing of the inner side of the integral bearing seat 4 is completed through the air seal 8, and bearing load born by any bearing can be reduced by adopting the arrangement of the double-row bearing 5, so that the service life of the bearing is prolonged.
In this embodiment, the inner rings of both the single row bearing 7 and the double row bearing 5 are interference fit with the input shaft 2.
In this embodiment, the axial outside of the air seal 8 is provided with an oil seal seat 9, the outer wall of the oil seal seat 9 is provided with a seal groove I91, a seal ring I92 is arranged in the seal groove I91, and the arrangement of the oil seal seat 9 prevents air flow in the supercharger 1 and slight dust carried by the air flow from entering the integral bearing seat 4 to cause damage to the bearing.
In this embodiment, a second retainer ring 93 is disposed on the outer side of the oil seal seat 9, and the second retainer ring 93 axially limits the oil seal seat 9, and meanwhile, the oil seal seat 9 can also complete limiting in a bolt connection or riveting manner.
In the embodiment, the pulley 10 is arranged on the outer side of the double-row bearing 5 in the axial direction, and the pulley 10 is connected with the hub 21 assembled at the end part of the input shaft 2 through bolts, so that the pulley is convenient to replace and is suitable for more application scenes.
In the embodiment, the outer wall of the integral bearing seat 4 is provided with two second sealing grooves 41, and second sealing rings 42 are arranged in the second sealing grooves 41 to prevent gas in the supercharger housing 1 from leaking out through the integral bearing seat 4.
In this embodiment, the aperture of the opening 3 provided in the supercharger housing 1 is larger than the hub diameter of the coupling 6, so that the coupling hub can pass through and enter the supercharger housing 1 during installation.
In this embodiment, the limitation of the double-row bearing 5 and the oil seal seat 9 is completed by a first retainer ring and a second retainer ring, respectively.
This application has effectively reduced bearing load through the setting of biserial bearing 5 with single-row bearing 7, has improved the life of bearing, makes the gas in the air current way in the supercharger casing 1 can not carry slight dust to enter into in the bearing through the setting up of many sealing members simultaneously on the one hand, causes the harm to the bearing, also can not leak through whole bearing frame 4 simultaneously.
Claims (8)
1. The utility model provides a mechanical booster input assembly with integral bearing frame, includes booster casing (1) and stretches into inside input shaft (2) of booster casing (1), its characterized in that: the supercharger is characterized in that an opening (3) for installing an input end assembly is formed in the supercharger shell (1), the input end assembly comprises an integral bearing seat (4), a double-row bearing (5) arranged inside the integral bearing seat (4), a single-row bearing (7), an air seal (8) and a coupler (6), wherein the single-row bearing (7), the air seal (8) and the coupler (6) are arranged inside the integral bearing seat (4), the integral bearing seat (4) is fixed in the opening (3), the double-row bearing (5) and the single-row bearing (7) are respectively arranged on two sides inside the integral bearing seat (4), the air seal (8) is arranged on the outer side of the single-row bearing (7) in the axial direction, the coupler (6) is arranged in the supercharger shell (1) along the axial direction of the double-row bearing (5) and the single-row bearing (7), and the input shaft (2) penetrates through the bearing seat (4) and the coupler (6) to extend into the supercharger shell (1).
2. A supercharger input assembly with integral bearing housing of claim 1 wherein: the double-row bearing (5) is arranged at one end, close to the outer side of the supercharger shell (1), of the inner side of the integral bearing seat (4), a first check ring (51) is arranged on the outer side of the double-row bearing (5) in the axial direction, and the first check ring (51) axially limits the double-row bearing (5); the single-row bearing (7) is arranged at one end, close to the inner side of the supercharger shell (1), of the inner side of the integral bearing seat (4), and sealing of the inner side of the integral bearing seat (4) is completed through an air seal (8).
3. A supercharger input assembly with integral bearing housing of claim 1 wherein: the inner rings of the single-row bearing (7) and the double-row bearing (5) are in interference fit with the input shaft (2).
4. A supercharger input assembly with integral bearing housing of claim 1 wherein: the air seal device is characterized in that an oil seal seat (9) is arranged on the outer side of the air seal (8) in the axial direction, a first sealing groove (91) is arranged on the outer wall of the oil seal seat (9), a first sealing ring (92) is arranged in the first sealing groove (91), and gas in the supercharger shell (1) is prevented from entering the integral bearing seat (4) through the oil seal seat (9).
5. A supercharger input assembly with integral bearing housing of claim 4 wherein: and a second check ring (93) is arranged on the outer side of the oil seal seat (9), and the second check ring (93) is axially limited to the oil seal seat (9).
6. A supercharger input assembly with integral bearing housing of claim 1 wherein: the axial outer side of the double-row bearing (5) is provided with a belt pulley (10), and the belt pulley (10) is connected with a hub (21) assembled at the end part of the input shaft (2) through bolts.
7. A supercharger input assembly with integral bearing housing of claim 1 wherein: the outer wall of the integral bearing seat (4) is provided with at least one second sealing groove (41), and a second sealing ring (42) is arranged in the second sealing groove (41) to prevent gas in the supercharger shell (1) from leaking out through the integral bearing seat (4).
8. A supercharger input assembly with integral bearing housing of claim 1 wherein: the aperture of the opening (3) is larger than the diameter of the hub of the coupler (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322484994.6U CN220748390U (en) | 2023-09-13 | 2023-09-13 | Supercharger input end assembly with integral bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322484994.6U CN220748390U (en) | 2023-09-13 | 2023-09-13 | Supercharger input end assembly with integral bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748390U true CN220748390U (en) | 2024-04-09 |
Family
ID=90556038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322484994.6U Active CN220748390U (en) | 2023-09-13 | 2023-09-13 | Supercharger input end assembly with integral bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748390U (en) |
-
2023
- 2023-09-13 CN CN202322484994.6U patent/CN220748390U/en active Active
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