Shell of turbocharger, turbocharger and vehicle

Abstract

The utility model relates to a shell of a turbocharger, the turbocharger and a vehicle. The shell comprises a volute, a shell cover and a shell cover, the middle body is arranged in the middle of the volute; and the cooling pipelines are arranged in the volute and the middle body. The cooling pipelines are arranged in the volute and the middle body, the cooling liquid is introduced into the cooling pipelines, the turbocharger is cooled through the cooling pipelines, the influence of high temperature on the turbocharger and surrounding parts is avoided, meanwhile, a heat insulation cover of the turbocharger can be omitted, and the cost is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of turbochargers, and in particular, to a housing of a turbocharger, a turbocharger, and a vehicle. Background Art

[0002] A turbocharger uses the inertial impulse of the exhaust gas discharged from the engine to drive the turbine in the turbine chamber, and increases the intake air volume by compressing the air. The turbocharger is installed on the exhaust side of the engine, and the rotational speed of the rotor of the turbocharger is very high during operation, so the working temperature of the turbocharger is very high, and long-term operation will affect the turbocharger itself and the surrounding components. Summary of the Utility Model

[0003] The purpose of the present disclosure is to provide a housing of a turbocharger, a turbocharger, and a vehicle, which can solve the above technical problems.

[0004] To achieve the above purpose, the present disclosure provides a housing of a turbocharger, including: a volute; an intermediate body disposed in the middle of the volute; and a cooling pipeline, and the cooling pipeline is provided inside both the volute and the intermediate body.

[0005] Optionally, the cooling pipeline includes a first pipeline and a second pipeline. The first pipeline is circumferentially disposed along the center line of the housing in the side wall of the volute, and the second pipeline is circumferentially disposed along the center line of the housing inside the intermediate body.

[0006] Optionally, the volute includes an exhaust volute and a compression volute. The first pipeline is disposed in the exhaust volute, and the second pipeline is disposed at one end of the intermediate body close to the exhaust volute.

[0007] Optionally, the first pipeline is communicated with the second pipeline.

[0008] Optionally, the exhaust volute is provided with an exhaust gas inlet for connecting with the exhaust port of the engine. The first pipeline is provided with a water inlet and a water outlet, and the second pipeline is provided with a water inlet hole and a water outlet hole. The water inlet is disposed at the side of the exhaust gas inlet to connect with the cooling water outlet of the engine, and the water outlet is connected with the water inlet hole.

[0009] Optionally, the volute is configured as an aluminum volute.

[0010] Optionally, the intermediate body is configured as an aluminum intermediate body.

[0011] Optionally, the volute is provided with a bleed valve hole, and the bleed valve hole is configured as a tapered hole. The smaller diameter end of the tapered hole faces the inner side of the volute, and a tapered sealing ring is installed in the tapered hole.

[0012] Optionally, a bearing hole for installing a bearing is provided on the intermediate body, and a wear-resistant sleeve is provided at the bearing hole.

[0013] Optionally, a sealing gasket is provided at the connection between the volute and the intermediate body, and sealing ribs are provided on the sealing gasket.

[0014] The second object of the present disclosure is to provide a turbocharger, including: the housing of the turbocharger as described above; and a rotor device rotatably disposed in the housing.

[0015] The third object of the present disclosure is to provide a vehicle, including: the turbocharger as described above.

[0016] Through the above technical solutions, in the housing of the turbocharger provided by the present disclosure, cooling pipes are provided inside both the volute and the intermediate body, and a coolant is introduced into the cooling pipes to cool down the turbocharger through the cooling pipes, avoiding the influence of high temperature on the turbocharger and surrounding components. At the same time, the supercharger heat shield can be omitted, reducing the cost.

[0017] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation section. Description of the Drawings

[0018] The drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific implementation, they are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the drawings:

[0019] Figure 1 is a schematic internal structure diagram of the turbocharger in the present disclosure;

[0020] Figure 2 is a schematic external structure diagram of the turbocharger in the present disclosure;

[0021] Figure 3 is a schematic structure diagram of the engine in the present disclosure;

[0022] Figure 4 is a cross-sectional view of the blow-off valve hole in the present disclosure.

[0023] Description of the Reference Numerals

[0024] 1. Volute; 11. Exhaust gas volute; 111. Exhaust gas outlet; 112. Exhaust gas inlet; 12. Compression volute; 121. Air inlet; 122. Air outlet; 2. Intermediate body; 3. Cooling pipe; 31. First pipe; 311. Water outlet; 312. Water inlet; 32. Second pipe; 321. Water inlet hole; 4. Sealing gasket; 5. Wear-resistant sleeve; 6. Rotor device; 7. Bleed valve hole; 8. Conical sealing ring; 9. Engine; 91. Cooling water outlet; 92. Exhaust port. Detailed implementation manners

[0025] The following will describe in detail the specific implementation manners of the present disclosure with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only used to illustrate and explain the present disclosure, and are not used to limit the present disclosure.

[0026] In the present disclosure, unless otherwise stated, the orientation terms such as "inside, outside" refer to the inside and outside relative to the contour of the component or structure itself. In addition, it should be noted that the terms such as "first, second" are used to distinguish one element from another, and do not have sequentiality and importance. In addition, in the description with reference to the accompanying drawings, the same reference numerals in different drawings represent the same elements.

[0027] The present disclosure provides a housing of a turbocharger, including: a volute 1; an intermediate body 2 disposed in the middle of the volute 1, and the intermediate body 2 is the housing of the bearing and the shaft, which is used to protect the bearing and the shaft on the one hand and connect the volutes 1 on both sides on the other hand; and a cooling pipe 3, and the cooling pipe 3 is provided inside both the volute 1 and the intermediate body 2.

[0028] Through the above technical solution, in the housing of the turbocharger provided by the present disclosure, the cooling pipe 3 is provided inside both the volute 1 and the intermediate body 2, and a coolant is introduced into the cooling pipe 3. The turbocharger is cooled by the cooling pipe 3, so that the external heat radiation of the turbocharger is reduced, the risk of heat damage in the engine compartment is reduced, the influence of high temperature on the turbocharger and the surrounding components is avoided, and at the same time, the turbocharger heat shield can be omitted, reducing the cost.

[0029] As an optional implementation manner, as Figures 1-3 shown, the cooling pipe 3 includes a first pipe 31 and a second pipe 32. The first pipe 31 is circumferentially arranged along the center line of the housing inside the side wall of the volute 1, that is, the first pipe 31 is provided in a circumferential circle of the volute 1 to cool the volute 1 and reduce the heat radiation of the volute 1. The second pipe 32 is circumferentially arranged along the center line of the housing inside the intermediate body 2, and the second pipe 32 is provided in a circumferential circle of the intermediate body 2 to cool the intermediate body 2 and reduce the heat radiation of the intermediate body 2.

[0030] Optionally, as Figure 1As shown in the figure, the volute 1 includes an exhaust gas volute 11 and a compression volute 12. The first pipe 31 is arranged inside the exhaust gas volute 11, and the second pipe 32 is arranged at one end of the intermediate body 2 close to the exhaust gas volute 11. Since the exhaust gas volute 11 is connected to the exhaust port 92 of the engine 9 and the temperature of the exhaust gas is relatively high, the first pipe 31 is arranged inside the exhaust gas volute 11 to cool the exhaust gas volute 11. Due to the heat conduction effect, the temperature of one end of the intermediate body 2 close to the exhaust gas volute 11 is relatively high, so the second pipe 32 is arranged at one end of the intermediate body 2 close to the exhaust gas volute 11. Of course, in other embodiments, cooling pipes 3 can also be arranged at other parts of the compression volute 12 and the intermediate body 2 to achieve a better cooling effect.

[0031] Among them, as Figure 1 shown, the first pipe 31 is communicated with the second pipe 32. In this way, only one set of liquid inlet and outlet for the coolant to enter and exit needs to be arranged for the cooling pipe 3, and there is no need to separately arrange liquid inlets and outlets for the first pipe 31 and the second pipe 32, which reduces the pipeline layout, saves costs and can also reduce the occupied space of the pipeline. In other embodiments, the first pipe 31 and the second pipe 32 can also be separately provided with liquid inlets and outlets.

[0032] Optionally, as Figures 1-3 shown, the exhaust gas volute 11 is provided with an exhaust gas inlet 112 for connecting with the exhaust port 92 of the engine 9. The first pipe 31 is provided with a water inlet 312 and a water outlet 311, and the second pipe 32 is provided with a water inlet hole 321 and a water outlet hole. The cooling water outlet 91 of the engine 9 is arranged at the side of the exhaust port 92. For example, a plurality of cooling water outlets 91 can be arranged along the circumference of the exhaust port 92. As Figure 3 shown, the water inlet 312 is arranged at the side of the exhaust gas inlet 112 to connect with the cooling water outlet 91 of the engine 9. The water inlet 312 of the first pipe 31 is connected to the water cooling system of the engine 9, and the water cooling system of the engine 9 is used to cool the turbocharger, eliminating the need to separately set up a water cooling system and saving costs. The water outlet 311 is connected to the water inlet hole 321 to connect the first pipe 31 and the second pipe 32, and the water outlet hole can be connected to the water cooling system of the engine 9 to enable the coolant to circulate.

[0033] As an alternative embodiment, the volute 1 can be made of any suitable material. Exemplarily, in the present disclosure, the volute 1 is configured as an aluminum volute. Compared with a steel volute, the aluminum volute reduces the weight and cost of the volute 1.

[0034] As an alternative embodiment, the intermediate body 2 can be made of any suitable material. Exemplarily, in the present disclosure, the intermediate body 2 is configured as an aluminum intermediate body. Compared with a steel intermediate body, the aluminum intermediate body reduces the weight and cost of the intermediate body 2.

[0035] As an alternative embodiment, as Figure 4 shown, a bleed valve hole 7 is provided on the volute 1. The bleed valve is generally arranged at the position of the exhaust gas outlet 111 of the exhaust gas volute 11. When the pressure in the exhaust gas volute 11 is too high, the bleed valve opens to discharge the exhaust gas, preventing damage to the volute 1 and the occurrence of combustion and explosion phenomena. The bleed valve hole 7 is configured as a tapered hole. The end with a smaller diameter of the tapered hole faces the inner side of the volute 1. A tapered sealing ring 8 is installed in the tapered hole. The bleed valve hole 7 being a tapered hole facilitates the opening of the bleed valve for discharging gas on the one hand, and on the other hand, the tapered hole can be tightened more under pressure, thus ensuring the sealing performance and reliability of the bleed valve hole 7.

[0036] As an alternative embodiment, as Figure 1 shown, a bearing hole for installing a bearing is provided on the intermediate body 2. A wear-resistant sleeve 5 is provided at the bearing hole. The wear-resistant sleeve 5 is machined together with the bearing hole during processing. When the turbocharger is operating, the rotational speed of the rotor is very high. The wear-resistant sleeve 5 can enhance the wear resistance of the bearing hole and ensure the sealing performance and reliability of this position.

[0037] As an alternative embodiment, as Figure 1 shown, a sealing gasket 4 is provided at the connection between the volute 1 and the intermediate body 2. For example, the sealing gasket 4 is a metal stainless steel gasket. The sealing gasket 4 is provided with sealing ribs. The sealing ribs can be annular or strip-shaped, playing a role in strengthening the seal. The intermediate body 2 and the volute 1 are hermetically connected to prevent leakage of exhaust gas and air from the joint surface. Additionally, a rubber coating resistant to high temperature and coolant can be applied at the water outlet 311 of the first pipe 31 and the water inlet hole 321 of the second pipe 32 to ensure the waterway seal at this position.

[0038] As Figures 1-2As shown, the second object of the present disclosure is to provide a turbocharger, comprising: the housing of the above-mentioned turbocharger; and a rotor device 6, which is rotatably arranged in the housing. For example, the rotor device 6 includes an exhaust gas impeller arranged in the exhaust gas volute 11, a compression impeller arranged in the compression volute 12, and a rotating shaft. The rotating shaft is axially arranged in the intermediate body 2 through the intermediate body 2 and is rotatably connected to the intermediate body 2 through bearings, and both ends of the rotating shaft are respectively connected to the exhaust gas impeller and the compression impeller. The exhaust gas inlet 112 on the exhaust gas volute 11 is connected to the exhaust port 92 of the engine 9. After the exhaust gas impeller is rotated by the exhaust gas, it is discharged from the exhaust gas outlet 111. The inertia impulse of the exhaust gas discharged from the engine 9 is used to drive the exhaust gas impeller, and the exhaust gas impeller drives the coaxial compression impeller. Air enters from the air inlet 121 arranged on one side of the compression volute 12, and the compression impeller compresses the air, and the air is supercharged into the cylinder through the air outlet 122. The compression impeller can allow more air to enter the cylinder. The increase in the pressure and density of the air can burn more fuel, and the corresponding increase in the fuel quantity can increase the output power of the engine 9. The present disclosure cools down the turbocharger through the cooling pipe 3, avoiding the influence of high temperature on the turbocharger and surrounding components, and at the same time, the supercharger heat shield can be omitted, reducing the cost.

[0039] The third object of the present disclosure is to provide a vehicle, comprising: the above-mentioned turbocharger. The turbocharger of the present disclosure can reduce the risk of heat damage in the engine compartment, avoid the influence of high temperature on the turbocharger and surrounding components, and at the same time, the supercharger heat shield can be omitted, reducing the cost.

[0040] The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0041] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, they can be combined in any appropriate manner without contradiction. To avoid unnecessary repetition, the present disclosure will not separately describe various possible combination methods.

[0042] In addition, any combination can be made between various different embodiments of the present disclosure, as long as it does not violate the idea of the present disclosure, it should also be regarded as the content disclosed by the present disclosure.

Claims

1. A turbocharger housing, characterized in that: include: Volute; An intermediate body, arranged in the middle of the volute; as well as A cooling pipe is provided inside the volute and the intermediate body; the cooling pipe comprises a first pipe and a second pipe, the first pipe is circumferentially arranged in the side wall of the volute along the center line of the shell, and the second pipe is circumferentially arranged in the intermediate body along the center line of the shell.

2. The turbocharger housing according to claim 1, characterized in that: The volute includes an exhaust volute and a compression volute. The first conduit is arranged in the exhaust volute, and the second conduit is arranged at one end of the intermediate body close to the exhaust volute.

3. The turbocharger housing according to claim 2, characterized in that: The first pipeline is in communication with the second pipeline.

4. The turbocharger housing according to claim 3, characterized in that: The exhaust volute is provided with an exhaust inlet for connecting to the exhaust port of the engine, the first pipe is provided with a water inlet and a water outlet, the second pipe is provided with a water inlet hole and a water outlet hole, the water inlet is arranged on the side of the exhaust inlet to be connected to the cooling water outlet of the engine, and the water outlet is connected to the water inlet hole.

5. The turbocharger housing according to any one of claims 1 to 4, characterized in that: The volute housing is configured as an aluminum volute housing.

6. The turbocharger housing according to any one of claims 1 to 4, characterized in that: The intermediate body is configured as an aluminum intermediate body.

7. The turbocharger housing according to claim 1, characterized in that: The volute is provided with an air release valve hole, which is constructed as a conical hole, with the end of the conical hole having a smaller diameter facing the inner side of the volute, and a conical sealing ring is installed in the conical hole.

8. The turbocharger housing according to claim 1, characterized in that: The intermediate body is provided with a bearing hole for installing a bearing, and the bearing hole is provided with a wear-resistant sleeve.

9. The turbocharger housing according to claim 1, characterized in that: A sealing gasket is provided at the connection between the volute and the intermediate body, and a sealing rib is provided on the sealing gasket.

10. A turbocharger, characterized in that: include: A turbocharger housing according to any one of claims 1 to 9; as well as A rotor device is rotatably disposed in the housing.

11. A vehicle, characterized in that: include: The turbocharger according to claim 10.

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