Turbocharger intermediate device integrated with air passage structure

By designing the airway structure between the connecting pressure end and the vortex end in the turbocharger intermediate, the problem that traditional intermediates cannot maintain pressure balance at both ends is solved, and a more stable turbocharger operation and lubricant sealing effect is achieved.

CN222633308UActive Publication Date: 2025-03-18WUXI SHENGTU HAITAI ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202420721553.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-03-18
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

Traditional turbocharger intermediates cannot ensure that the pressure between the pressure end and the vortex end is always in equilibrium, resulting in unstable turbocharger operation.

Method used

A turbocharger intermediate device with integrated airway structure is designed, and an airway that can connect the pressure end and the vortex end is provided, including an O-type rubber ring, a hollow cylindrical pin and an intermediate, so that the air pressure at both ends is kept balanced through the airway.

Benefits of technology

The airway structure allows the pressure end of the turbocharger to be balanced with the vortex end air pressure, which improves the working stability of the turbocharger and prevents lubricant leakage under the action of stabilizing the gas pressure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a turbocharger intermediate device integrated with an air passage structure, the turbocharger intermediate device is internally provided with an air passage capable of communicating a pressure end with a vortex end, and the turbocharger intermediate device comprises an O-shaped rubber ring, a hollow cylindrical pin and an intermediate; a pressing end air channel and a vortex end air channel are formed in one side of the interior of the middle body, meanwhile, a bearing hole is further formed in the center of the surface of the middle body, the hollow cylindrical pin is arranged on one side of the pressing end of the middle body and connected with the pressing end air channel in an abutting mode, and the O-shaped rubber ring is arranged on the outer side of the hollow cylindrical pin in a sleeving mode. The edge of the assembled O-shaped rubber ring abuts against the end face of the pressure end air channel. The intermediate device of the turbocharger is provided with the air channel which can be communicated with the pressure end and the vortex end, so that the air pressure at the two ends is kept in a balanced state, and the turbocharger works more stably. And meanwhile, air pressure has an oil sealing effect, so that the lubricating oil in the intermediate body is not easy to leak.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical turbocharger structures, in particular to a turbocharger intermediate device integrated with an airway structure. Background Art

[0002] The existing intermediate body is an important part of the turbocharger, which integrates the rotor system, lubrication system, cooling system, etc. However, the traditional intermediate body cannot ensure that the pressure at the compression end and the turbine end of the turbocharger is always in a balanced state during operation, which may lead to unstable operation of the turbocharger. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a turbocharger intermediate body device integrated with an air duct structure, wherein the turbocharger intermediate body device is provided with an air duct that can connect the compression end and the turbine end, including an O-type rubber ring, a hollow cylindrical pin and an intermediate body; a compression end air duct and a turbine end air duct are provided on one side of the interior of the intermediate body, and a bearing hole is also included at the center position of the surface of the intermediate body, the hollow cylindrical pin is arranged on the compression end side of the intermediate body, and the hollow cylindrical pin and the compression end air duct are abutted and connected, wherein the O-type rubber ring is arranged on the outside of the hollow cylindrical pin, and the edge of the O-type rubber ring after assembly is abutted against the end face of the compression end air duct.

[0004] In one embodiment of the utility model, the compression end airway and the turbine end airway are connected to each other, and the angle between the straight lines where the central axes of the two are located is set to be 90° to 150°, so that the air pressure at both ends remains balanced.

[0005] In one embodiment of the utility model, a water inlet and a water outlet are provided on the same horizontal line on the left and right sides of the intermediate body, so as to facilitate cooling of the intermediate body and internal parts.

[0006] In one embodiment of the utility model, an oil inlet hole is provided on the upper side of the intermediate body, an oil return hole is provided on the lower side of the intermediate body, and the bearing holes are respectively connected to the oil inlet hole and the oil return hole for circulating lubrication to maintain smooth operation.

[0007] The above technical solution of the utility model has the following advantages over the prior art: the turbocharger intermediate body device of the utility model is provided with an air passage that can connect the pressure end and the vortex end, so that the air pressure at both ends is kept in a balanced state, and the turbocharger works more stably. At the same time, the air pressure has an oil sealing effect, which can prevent the lubricating oil in the intermediate body from leaking out. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0009] Figure 1It is a schematic structural cross-sectional view of a turbocharger intermediate device integrated with an airway structure according to the utility model;

[0010] Figure 2 It is a structural cross-sectional view of the intermediate of the utility model;

[0011] Figure 3 It is a side view of the intermediate device of the turbocharger of the utility model;

[0012] Figure 4 It is a side view supplementary diagram of the turbocharger intermediate device described in the utility model.

[0013] As shown in the figure, 1. O-type rubber ring, 2. hollow cylindrical pin, 3. intermediate body, 31. pressure end air channel, 32. vortex end air channel, 33. bearing hole, 34. water inlet, 35. water outlet, 36. oil inlet hole, 37. oil return hole. DETAILED DESCRIPTION

[0014] like Figure 1 and Figure 2 As shown, this embodiment provides a turbocharger intermediate device with an integrated airway structure, wherein the turbocharger intermediate device is provided with an airway that can connect the compression end and the turbine end, including an O-type rubber ring 1, a hollow cylindrical pin 2 and an intermediate body 3; a compression end airway 31 and a turbine end airway 32 are provided on one side of the interior of the intermediate body 3, and a bearing hole 33 is also included at the center position of the surface of the intermediate body 3, the hollow cylindrical pin 2 is provided on the compression end side of the intermediate body 3, and the hollow cylindrical pin 2 is abutted and connected with the compression end airway 31, wherein the O-type rubber ring 1 is sleeved on the outside of the hollow cylindrical pin 2, and the edge of the assembled O-type rubber ring 1 is abutted with the end face of the compression end airway 31.

[0015] When the intermediate device is installed and used, the hollow cylindrical pin 2 arranged on the intermediate body 3 can be used for the rapid positioning and installation of the pressure diffuser plate or the pressure shell, and the O-type rubber ring 1 outside the hollow cylindrical pin 2 can be used for sealing to prevent leakage;

[0016] Moreover, the compression end air passage 31 and the turbine end air passage 32 are connected to each other, so that the airflow and pressure at the compression end and the turbine end of the turbocharger can circulate in the air passage, so that the air pressure at both ends can be kept in a balanced state, the turbocharger can operate more stably, and under the action of stable gas pressure, lubricating oil leakage can be avoided.

[0017] like Figure 3 and Figure 4 As shown, a water inlet 34 and a water outlet 35 are provided on the same horizontal line on the left and right sides of the intermediate body 3; at the same time, an oil inlet hole 36 is provided on the upper side of the intermediate body 3, and an oil return hole 37 is provided on the lower side of the intermediate body 3, and the bearing hole 33 is connected to the oil inlet hole 36 and the oil return hole 37 respectively.

[0018] Furthermore, under the design and use of the above-mentioned structure, the intermediate body assembly described in this embodiment has a simple structure and is easy to process and install. The airflow and pressure at the compression end and the vortex end of the turbocharger can flow in the air duct running through the intermediate body, so that the air pressure at both ends remains in a balanced state, the turbocharger operates more stably, and under the action of stable gas pressure, lubricating oil leakage can be avoided.

[0019] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A turbocharger intermediate device with an integrated airway structure, wherein the turbocharger intermediate device is provided with an airway that can connect the compression end and the turbine end, characterized in that: The invention comprises an O-type rubber ring (1), a hollow cylindrical pin (2) and an intermediate body (3); a pressure end air passage (31) and a vortex end air passage (32) are arranged on one side of the interior of the intermediate body (3); a bearing hole (33) is also arranged at the center of the surface of the intermediate body (3); the hollow cylindrical pin (2) is arranged on the pressure end side of the intermediate body (3); and the hollow cylindrical pin (2) and the pressure end air passage (31) are abutted and connected. The O-type rubber ring (1) is sleeved on the outside of the hollow cylindrical pin (2); and the edge of the assembled O-type rubber ring (1) abuts against the end face of the pressure end air passage (31).

2. The turbocharger intermediate device according to claim 1, characterized in that: The compression end air passage (31) and the turbine end air passage (32) are connected to each other, and the angle between the straight lines where the central axes of the two are located is 90° to 150°.

3. The turbocharger intermediate device according to claim 1, characterized in that: A water inlet (34) and a water outlet (35) are provided on the same horizontal line on the left and right sides of the intermediate body (3).

4. The turbocharger intermediate device according to claim 1, characterized in that: At the same time, an oil inlet hole (36) is provided on the upper side of the intermediate body (3), an oil return hole (37) is provided on the lower side of the intermediate body (3), and the bearing hole (33) is connected to the oil inlet hole (36) and the oil return hole (37) respectively.