CN214836683U

CN214836683U - Light turbocharger with high temperature resistant function

Info

Publication number: CN214836683U
Application number: CN202120759954.6U
Authority: CN
Inventors: 陆建锋
Original assignee: Jiaxing Borui Turbo Technologies Co ltd
Current assignee: Jiaxing Borui Turbo Technologies Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-23
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a light turbo charger with high temperature resistant function relates to the automobile parts field, including turbine shell and compressor shell, turbine shell's inner chamber is provided with turbine wheel, and compressor shell's inner chamber is provided with compressor wheel, is provided with hollow cylinder between turbine shell and the compressor shell, and hollow cylinder's inner chamber is provided with the pivot, and a side middle part that turbine shell and compressor shell are close to each other is run through respectively at the both ends of pivot and extend to turbine shell's inner chamber and compressor shell's inner chamber respectively. The utility model discloses a fixed two heat dissipation impeller that are the symmetric distribution that have cup jointed in the middle part of pivot, the equal fixedly connected with guide plate in both ends of hollow section of thick bamboo inside wall, the guide plate is the heliciform, can drive heat dissipation impeller when the pivot rotates and rotate and then drive hollow section of thick bamboo inner chamber air flow, consequently can effectively avoid pivot and full floating bearing high temperature and lead to impairedly.

Description

Light turbocharger with high temperature resistant function

Technical Field

The utility model relates to an automobile spare and accessory part field, in particular to light turbo charger with high temperature resistant function.

Background

The turbocharger is actually an air compressor that increases the intake air amount by compressing air. The engine uses the inertia impulse force of the exhaust gas from the engine to push the turbine in the turbine chamber, the turbine drives the coaxial impeller, the impeller presses the air sent by the air filter pipeline, and the air is pressurized and enters the cylinder. When the rotating speed of the engine is increased, the exhaust gas exhaust speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the air cylinder, the pressure and the density of the air are increased, more fuel can be combusted, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine.

However, in the existing turbocharger, when the turbocharger works, the turbine impeller and the compressor impeller rotate at high speed to drive the temperature of the rotating shaft and the bearing to rise, and the inside of the turbocharger has no good cooling structure, so that the rotating shaft and the bearing are easily damaged due to overhigh temperature when the turbocharger works for a long time. Therefore, it is necessary to provide a lightweight turbocharger having a high temperature resistance function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light turbo charger with high temperature resistant function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a light turbocharger with high temperature resistance function comprises a turbine shell and a compressor shell, wherein a turbine impeller is arranged in an inner cavity of the turbine shell, a compressor impeller is arranged in an inner cavity of the compressor shell, an air cylinder is arranged between the turbine shell and the compressor shell, two ends of the air cylinder are respectively fixedly connected with a side surface of the turbine shell and a side surface of the compressor shell, which are close to each other, a rotating shaft is arranged in an inner cavity of the air cylinder, two ends of the rotating shaft respectively penetrate through the middle part of a side surface of the turbine shell and the middle part of the compressor shell, which are close to each other, and extend to the inner cavity of the turbine shell and the inner cavity of the compressor shell, two ends of the rotating shaft are respectively fixedly connected with the middle part of the turbine impeller and the middle part of the compressor impeller, full-floating bearings are respectively embedded in the middle part of the side surface of the turbine shell and the side surface of the compressor shell, which are close to each other, two heat dissipation impellers are fixedly sleeved in the middle of the rotating shaft and are symmetrically distributed.

Preferably, both ends and the middle part of the lateral wall of the hollow cylinder are fixedly connected with communicating pipes, the inner cavity of the communicating pipe is communicated with the inner cavity of the hollow cylinder, and the communicating pipes are communicated with the outside through pipelines.

Preferably, the both ends of hollow section of thick bamboo inside wall all fixedly connected with guide plate, the guide plate is the heliciform.

Preferably, the guide plate is provided with a plurality of lightening holes, the middle part of the outer side wall of the rotating shaft is provided with a plurality of groups of through holes distributed at equal intervals, and each group of through holes are distributed in an annular array.

Preferably, the lateral wall fixedly connected with waste gas of turbine shell advances the pipe, waste gas advances the inner chamber of pipe and the inner chamber intercommunication of turbine shell, turbine shell keeps away from a side middle part fixedly connected with waste gas exit tube of hollow cylinder, the inner chamber of waste gas exit tube and the inner chamber intercommunication of turbine shell.

Preferably, the outer side wall of the compressor shell is fixedly connected with a compressor exhaust pipe, the inner cavity of the compressor exhaust pipe is communicated with the inner cavity of the compressor shell, the compressor shell is far away from a side surface middle part of the hollow cylinder and is fixedly connected with a compressor intake pipe, and the inner cavity of the compressor intake pipe is communicated with the inner cavity of the compressor shell.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a fixedly cup jointed two heat dissipation impellers that are the symmetric distribution in the middle part of pivot, the both ends of hollow section of thick bamboo inside wall are all fixedly connected with the guide plate, the guide plate is the heliciform, therefore can drive heat dissipation impeller rotation and then drive hollow section of thick bamboo inner chamber air flow when the pivot rotates, the guide plate can play the water conservancy diversion effect to the air, thereby make hollow section of thick bamboo inner chamber air be the vortex form, and then take away the heat on pivot and the full floating bearing, therefore can effectively avoid pivot and full floating bearing high temperature to lead to the fact impaired;

2. the utility model discloses a set up a plurality of lightening holes on the guide plate, the middle part of pivot sets up to hollow form, and a plurality of through-holes have been seted up at the lateral wall middle part of pivot, consequently can further improve the radiating effect to the pivot, alleviate the whole weight of this device simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the hollow cylinder structure in a three-dimensional cross section.

Fig. 3 is a schematic side sectional view of the turbine housing structure of the present invention.

In the figure: 1. a turbine housing; 2. a compressor housing; 3. a turbine wheel; 4. a compressor impeller; 5. a hollow cylinder; 6. a rotating shaft; 7. a fully floating bearing; 8. a heat dissipation impeller; 9. a communicating pipe; 10. a baffle; 11. lightening holes; 12. a through hole; 13. an exhaust gas inlet pipe; 14. an exhaust gas outlet pipe; 15. a compressor discharge pipe; 16. and a compressor air inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a light turbo charger with high temperature resistant function as shown in fig. 1-3, including turbine housing 1 and compressor housing 2, the inner chamber of turbine housing 1 is provided with turbine wheel 3, turbine wheel 3 can rotate at the inner chamber of turbine housing 1, the inner chamber of compressor housing 2 is provided with compressor wheel 4, compressor wheel 4 can rotate at the inner chamber of compressor housing 2, be provided with hollow section of thick bamboo 5 between turbine housing 1 and compressor housing 2, a side fixed connection that hollow section of thick bamboo 5's both ends are close to each other with turbine housing 1 and compressor housing 2 respectively, hollow section of thick bamboo 5 is used for connecting turbine housing 1 and compressor housing 2.

Secondly, a rotating shaft 6 is arranged in the inner cavity of the hollow cylinder 5, two ends of the rotating shaft 6 respectively penetrate through the middle parts of one side surfaces, close to each other, of the turbine shell 1 and the compressor shell 2 and respectively extend to the inner cavity of the turbine shell 1 and the inner cavity of the compressor shell 2, two ends of the rotating shaft 6 are respectively fixedly connected with the middle parts of the turbine impeller 3 and the compressor impeller 4, so that the compressor impeller 4 can be driven to rotate through the connection of the rotating shaft 6 when the turbine impeller 3 rotates, full-floating bearings 7 are fixedly sleeved on the outer sides of two ends of the rotating shaft 6, the two full-floating bearings 7 are respectively embedded in the middle parts of one side surfaces, close to each other, of the turbine shell 1 and the compressor shell 2, the full-floating bearings 7 are used for positioning the rotating shaft 6 and simultaneously reducing friction received when the rotating shaft 6 rotates, two heat dissipation impellers 8 are fixedly sleeved in the middle parts of the rotating shaft 6, and the two heat dissipation impellers 8 are symmetrically distributed, the both ends and the equal fixedly connected with in middle part of the lateral wall of hollow section of thick bamboo 5 communicate 9, the inner chamber of communicating 9 and the inner chamber intercommunication of hollow section of thick bamboo 5, communicating pipe 9 passes through pipeline and external intercommunication, drive two impeller 8 synchronous rotations when pivot 6 rotates, impeller 8 can drive the air flow of hollow section of thick bamboo 5 inner chamber when rotating, thereby make the external air can get into the inner chamber of hollow section of thick bamboo 5 through communicating pipe 9 at hollow section of thick bamboo 5 middle part, and discharge in communicating pipe 9 from hollow section of thick bamboo 5 both ends, and then can take away the heat on pivot 6 and the full floating bearing 7.

Further, equal fixedly connected with guide plate 10 in the both ends of 5 inside walls of hollow cylinder, guide plate 10 is the heliciform, the effect of water conservancy diversion can be played to the air that 5 inner chambers of hollow cylinder flow to the setting of guide plate 10, thereby make the air that 5 inner chambers of hollow cylinder flow be the vortex form, and then increase the route that the air flows, with this radiating effect to countershaft 6 and full floating bearing 7 of improvement, a plurality of lightening holes 11 have been seted up on guide plate 10, the setting of lightening hole 11 can alleviate the holistic weight of guide plate 10, the middle part of pivot 6 sets up to hollow form, thereby reduce weight, multiunit through-hole 12 that is equidistant distribution is seted up at the lateral wall middle part of pivot 6, every group through-hole 12 all is annular array and distributes, the radiating effect of this device can further be improved in the setting of through-hole 12.

Specifically, a waste gas inlet pipe 13 is fixedly connected to the outer side wall of the turbine housing 1, the inner cavity of the waste gas inlet pipe 13 is communicated with the inner cavity of the turbine housing 1, a waste gas outlet pipe 14 is fixedly connected to the middle of one side surface of the turbine housing 1 away from the hollow cylinder 5, the inner cavity of the waste gas outlet pipe 14 is communicated with the inner cavity of the turbine housing 1, a compressor exhaust pipe 15 is fixedly connected to the outer side wall of the compressor housing 2, the inner cavity of the compressor exhaust pipe 15 is communicated with the inner cavity of the compressor housing 2, a compressor inlet pipe 16 is fixedly connected to the middle of one side surface of the compressor housing 2 away from the hollow cylinder 5, the inner cavity of the compressor inlet pipe 16 is communicated with the inner cavity of the compressor housing 2, waste gas discharged from an engine enters the inner cavity of the turbine housing 1 through the waste gas inlet pipe 13 and drives the turbine impeller 3 to rotate, and is finally discharged from the waste gas outlet pipe 14, and air filtered by an air cleaner can be sucked into the inner cavity of the compressor housing 2 through the compressor inlet pipe 16 when the compressor impeller 4 rotates, the air is compressed and discharged into the cylinder through the compressor discharge pipe 15.

The utility model discloses the theory of operation:

when the device is used, waste gas discharged by an engine enters an inner cavity of a turbine shell 1 through a waste gas inlet pipe 13 and drives a turbine impeller 3 to rotate, the turbine impeller 3 rotates to drive a rotating shaft 6, a heat dissipation impeller 8 and a compressor impeller 4 to rotate, when the compressor impeller 4 rotates, air filtered by an air filter can be sucked into the inner cavity of the compressor shell 2 through a compressor air inlet pipe 16 and compressed, after the air is compressed, the air is discharged into an air cylinder through a compressor exhaust pipe 15, and the waste gas in the inner cavity of the turbine shell 1 can be discharged from a waste gas outlet pipe 14;

the heat dissipation impeller 8 can drive the air flow of the inner cavity of the hollow cylinder 5 when rotating, and suck the external air into the inner cavity of the hollow cylinder 5 through the communicating pipe 9 positioned at the middle part of the hollow cylinder 5, then make the air flowing in the inner cavity of the hollow cylinder 5 be the vortex shape under the guiding action of the guide plate 10, finally the air in the inner cavity of the hollow cylinder 5 is discharged to the external air through the communicating pipes 9 at the two ends of the hollow cylinder 5, and take away the heat on the rotating shaft 6, thereby cooling the rotating shaft 6 and the full-floating bearing 7, and avoiding the rotating shaft 6 and the full-floating bearing 7 from generating high temperature for a long time and causing damage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A lightweight turbocharger having a high temperature resistance function, comprising a turbine housing (1) and a compressor housing (2), characterized in that: the inner chamber of turbine shell (1) is provided with turbine wheel (3), the inner chamber of compressor shell (2) is provided with compressor wheel (4), be provided with hollow section of thick bamboo (5) between turbine shell (1) and compressor shell (2), a side fixed connection that the both ends of hollow section of thick bamboo (5) are close to each other with turbine shell (1) and compressor shell (2) respectively, the inner chamber of hollow section of thick bamboo (5) is provided with pivot (6), the both ends of pivot (6) run through a side middle part that turbine shell (1) and compressor shell (2) are close to each other respectively and extend to the inner chamber of turbine shell (1) and the inner chamber of compressor shell (2) respectively, the both ends of pivot (6) respectively with the middle part of turbine wheel (3) and the middle part fixed connection of compressor wheel (4), the both ends outside of pivot (6) all is cup jointed full floating bearing (7), two full floating bearing (7) are inlayed respectively in turbine shell (1) and compressor housing (2) a side middle part that is close to each other, two impeller (8) are dispelled the heat in the fixed cup joint in middle part of pivot (6), two impeller (8) are the symmetric distribution.

2. A light-weight turbocharger with high temperature resistance function according to claim 1, characterized in that: the both ends and the equal fixedly connected with communicating pipe (9) in middle part of the lateral wall of hollow cylinder (5), the inner chamber of communicating pipe (9) and the inner chamber intercommunication of hollow cylinder (5), communicating pipe (9) are through pipeline and external intercommunication.

3. A light-weight turbocharger with high temperature resistance function according to claim 2, characterized in that: the two ends of the inner side wall of the hollow cylinder (5) are fixedly connected with guide plates (10), and the guide plates (10) are spiral.

4. A light-weight turbocharger with high temperature resistance function according to claim 3, characterized in that: the guide plate (10) is provided with a plurality of lightening holes (11), the middle part of the outer side wall of the rotating shaft (6) is provided with a plurality of groups of through holes (12) which are distributed at equal intervals, and each group of the through holes (12) are distributed in an annular array.

5. A light-weight turbocharger with high temperature resistance function according to claim 4, characterized in that: the utility model discloses a turbine engine, including turbine shell (1), lateral wall fixedly connected with waste gas of turbine shell (1) advances pipe (13), the inner chamber that waste gas advances pipe (13) communicates with the inner chamber of turbine shell (1), a side middle part fixedly connected with waste gas exit tube (14) of hollow cylinder (5) are kept away from in turbine shell (1), the inner chamber of waste gas exit tube (14) communicates with the inner chamber of turbine shell (1).

6. A light-weight turbocharger with high temperature resistance function according to claim 5, characterized in that: the outer side wall of the compressor shell (2) is fixedly connected with a compressor exhaust pipe (15), an inner cavity of the compressor exhaust pipe (15) is communicated with an inner cavity of the compressor shell (2), a side surface middle part of the hollow cylinder (5) is far away from the compressor shell (2) and is fixedly connected with a compressor intake pipe (16), and an inner cavity of the compressor intake pipe (16) is communicated with an inner cavity of the compressor shell (2).