CN213360240U

CN213360240U - Intermediate structure of turbocharger of small gasoline engine

Info

Publication number: CN213360240U
Application number: CN202022145324.8U
Authority: CN
Inventors: 陈翔
Original assignee: BorgWarner Automotive Components Jiangsu Co Ltd
Current assignee: BorgWarner Automotive Components Ningbo Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-04
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a small-size gasoline engine turbocharger intermediate structure, including bearing system, water cavity structure, intermediate and intermediate shell, bearing system and water cavity structure set up on the intermediate, the intermediate shell sets up in the intermediate outside, the water cavity structure sets up in the bearing system outside, the water cavity structure is equipped with a water intake pipe and a water outlet pipe, and the water intake pipe is link up through a cooling water cavity with the water outlet pipe, be "V" type contained angle between water intake pipe and the water outlet pipe, still be equipped with oil inlet, oil-out and sand removal mouth in the intermediate; the utility model provides a novel midbody appearance structure has reduced the weight of midbody effectively, has also reduced its volume to cooling performance has obtained the reinforcing, has higher practical value.

Description

Intermediate structure of turbocharger of small gasoline engine

Technical Field

The utility model relates to a turbo charger structure, more specifically say, relate to a small-size gasoline engine turbo charger structure of water cavity structure has been improved.

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.

Current small-size gasoline engine turbocharger water cavity design, the water cavity is bulky, and then it is big to lead to midbody overall dimension, the weight is heavy, be unfavorable for the installation on the engine to arrange and miniaturized lightweight requirement, also certain influence has been caused to turbocharger's work efficiency itself, its inside water cavity heat transfer effect of general turbocharger is also more general, can't play better heat transfer effect, as shown in the figure, figure 4 is common water cavity structure schematic diagram among the prior art, adopt the design of inlet tube and the two parallels of outlet pipe, and the inlet tube, outlet pipe and water cavity design are on the coplanar, figure 5 is the actual working structure of this midbody, the midbody structure of design like this is although the radiating effect is still good, but the quality is great, the size is also relatively great.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a small-size gasoline engine turbo charger midbody structure to solve present conventional midbody structure volume great, the problem that the quality is heavier, improve the radiating effect of midbody simultaneously.

In order to solve the above problem, the utility model discloses the technical scheme who takes is: the utility model provides a small-size gasoline engine turbocharger intermediate structure, includes bearing system, water cavity structure, midbody and midbody shell, bearing system and water cavity structure set up on the midbody, the midbody shell sets up in the midbody outside, the water cavity structure sets up outside the bearing system, the water cavity structure is equipped with an inlet channel and a outlet conduit, just inlet channel and outlet conduit link up through a cooling water cavity, be "V" type contained angle between inlet channel and the outlet conduit, still be equipped with oil inlet, oil-out and sand removal mouth in the midbody.

Preferably, the angle between the water inlet pipe and the water outlet pipe is 28 degrees.

As the preferred scheme, the water cavity structure specifically comprises a raised annular water cavity, a water inlet interface and a water outlet interface are respectively arranged on two sides of the annular water cavity, the water inlet interface is connected with a water inlet pipeline, and the water outlet interface is connected with a water outlet pipeline.

Preferably, a V-shaped included angle is formed between the water inlet connector and the water outlet connector.

As a preferred scheme, the angle of a V-shaped included angle between the water inlet interface and the water outlet interface is 28-35 degrees.

As a preferable scheme, the water outlet pipeline and the water inlet pipeline are equal in height and are arranged at the same side of the cooling water cavity and close to the lower position.

Preferably, the sand removing port is arranged at the opposite side of the water outlet pipeline.

Preferably, the bearing system comprises a bearing, a bearing opening and a drive.

The utility model discloses a after the institutional advancement, have following technical advantage: the utility model discloses an improve the inlet water pipe's of water cavity project organization rationally, with inlet tube and outlet pipe nonparallel setting in order to form one type of "V" clamp angle, and midbody business turn over water interface is according to the water course overall arrangement, be V type contained angle equally, can effectively utilize midbody circumferencial direction space, the more conventional parallel business turn over water cavity of V type business turn over water cavity design scheme, the water cavity volume reduces 2%, improve heat exchange capacity, can reduce temperature 2 ℃ in the high temperature region, and effectively reduce midbody overall dimension, reduce midbody weight about 8%, thereby behind lightweight turbocharger midbody structure and water cavity structure, reach better cooling effect, higher practical value and commercial value have.

Drawings

FIG. 1 is a schematic view of the water chamber structure of the present invention;

FIG. 2 is a schematic view of the shape of the intermediate body of the present invention;

FIG. 3 is a cross-sectional view of the cooling water chamber of the supercharger of the present invention;

FIG. 4 is a schematic diagram of a water chamber in the prior art;

FIG. 5 is a profile view of a conventional intermediate in the background art.

The reference numbers in the figures illustrate:

wherein 1, a water cavity structure; 11. a water inlet interface; 12. a water outlet interface; 13. an annular water chamber; 14. a water inlet pipe; 15. a water outlet pipeline; 16. cleaning a sand port; 2. an intermediate body housing; 3. a bearing system; 31. a bearing; 32. a bearing socket; 4. an oil inlet; 5. and an oil outlet.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

As shown in fig. 1, fig. 1 is the water cavity structure diagram of the present invention, which can be seen from fig. 1, the water cavity structure 1 of the present invention generally includes a water inlet 11, a water outlet 12 and a cooling water cavity body, and the cooling water cavity is further provided with a sand cleaning opening 16, which is plugged after the actual assembly.

The cooling water cavity of the utility model is generally of an annular structure, one side of the cooling water cavity is provided with a water inlet interface 11 and a water outlet interface 12, an internal circulation structure is formed by the water inlet interface 11, the cooling water cavity and the water outlet interface 12, the cooling water cavity adopts a convex structure, the convex structure is an annular water cavity 13, the water inlet interface 11 and the water outlet interface 12 are arranged at the lower part of one side of the cooling water cavity, and the sand cleaning port 16 is generally arranged at the opposite side position of the water outlet interface 12; the water inlet interface 11 and the water outlet interface 12 are also arranged in an inclined manner, the two interfaces are not parallel, and the inlet and outlet channels of the two interfaces form a V-shaped included angle.

The water inlet pipe 14 and the water outlet pipe 15 are connected to the water inlet port 11 and the water outlet port 12, respectively, and compared with the included angle between the water inlet port 11 and the water outlet port 12, the included angle between the water inlet pipe 14 and the water outlet pipe 15 is larger, and is also a V-shaped included angle.

After water is introduced, water entering the water cavity can be introduced into the water cavity structure 1 along the water inlet pipeline 14-the water inlet interface 11 for internal circulation, and finally is introduced out from the water outlet interface 12-the water outlet pipeline 15 to complete a circulation.

As shown in fig. 2, fig. 2 is a schematic view of a section of a cooling water chamber of a turbocharger of the present invention, and it can be seen from the figure that the cooling water chamber and the bearing of the present invention are both disposed inside the intermediate housing 2, and the cooling water chamber is disposed outside the bearing, so as to better cool the cooling water chamber.

As shown in fig. 3, fig. 3 is the utility model discloses an intermediate appearance sketch map can be seen from the picture, and inlet channel 14 all sets up in one side of intermediate with outlet conduit 15, still is provided with oil inlet 4, oil-out 5 and sand removal mouth 16 on the intermediate, and a bearing mouth 32 in addition on the intermediate, inside the bearing can enter into to the intermediate through bearing mouth 32, bearing and bearing mouth 32 and drive arrangement had constituteed the utility model discloses a bearing system 3.

The utility model discloses a theory of operation:

the utility model discloses a with the optimization of water cavity structure 1, at first with interface 11 and the setting of going out water connector 12 homonymy in one side of cooling water cavity to keep interface 11 and the two nonparallel setting of play water connector 12 of intaking, the two is a "V" shape contained angle, and is the same, sets up the inlet channel 14 and the blowing pipeline that intake interface 11 and play water connector 12 are gone up again and also inclines to set up, and the contained angle between the two is bigger. In the working state, the bearing enters the bearing port 32, the driving device drives the bearing to move, meanwhile, the water cavity system starts to operate, water enters the water inlet connector 11 from the water inlet pipeline 14 and then enters the inside of the cooling water cavity, circulating water in the cooling water cavity circulates in the annular water cavity 13 to cool the working bearing, and finally, the circulating water leaves the outside of the annular water cavity 13 from the water outlet connector 12 on the same side.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a small-size gasoline engine turbo charger midbody structure, includes bearing system, water cavity structure, midbody and midbody shell, bearing system and water cavity structure set up on the midbody, the midbody shell sets up in the midbody outside, the water cavity structure sets up in the bearing system outside, its characterized in that: the water cavity structure is provided with a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with the water outlet pipeline through a cooling water cavity, a V-shaped included angle is formed between the water inlet pipeline and the water outlet pipeline, and an oil inlet, an oil outlet and a sand cleaning port are further formed in the middle body.

2. The intermediate structure of the turbocharger of the small gasoline engine according to claim 1, characterized in that: the included angle between the water inlet pipeline and the water outlet pipeline is 28 degrees.

3. The intermediate structure of the turbocharger of the small gasoline engine according to claim 1, characterized in that: the water cavity structure specifically comprises a raised annular water cavity, wherein a water inlet interface and a water outlet interface are arranged on two sides of the annular water cavity respectively, the water inlet interface is connected with the water inlet pipeline, and the water outlet interface is connected with the water outlet pipeline.

4. The intermediate structure of the turbocharger of the small gasoline engine according to claim 3, characterized in that: and a V-shaped included angle is formed between the water inlet interface and the water outlet interface.

5. The intermediate structure of the turbocharger of a small gasoline engine according to claim 4, wherein: the angle of the V-shaped included angle is generally 28-35 degrees.

6. The intermediate structure of the turbocharger of the small gasoline engine according to claim 3, characterized in that: the water outlet interface and the water inlet interface are equal in height and are arranged on the same side of the cooling water cavity.

7. The intermediate structure of the turbocharger of the small gasoline engine according to claim 1, characterized in that: the sand removing port is arranged on the opposite side of the water outlet pipeline.

8. The intermediate structure of the turbocharger of the small gasoline engine according to claim 1, characterized in that: the bearing system is composed of a bearing, a bearing port and a driving device.