One-way air guide channel of turbocharger bearing body

Abstract

The utility model discloses a one-way air guide channel of a turbocharger bearing body, which relates to the technical field of turbochargers and comprises a turbine, a middle body is fixedly mounted at one end of the turbine, and an air compressor is fixedly mounted at the other end of the middle body. A one-way ventilation pipe is fixedly installed on the side, away from the middle body, between the turbine and the gas compressor, a heat dissipation iron box is arranged in the middle of the one-way ventilation pipe, and arc-shaped plates are fixedly installed on the two sides of the heat dissipation iron box. Low temperature is conducted to gas from the multiple layers of copper plates, so that all parts of the turbocharger can work within a proper temperature range, thermal expansion and abrasion are reduced, the working reliability of the turbocharger is improved, the working temperature of the bearing can be effectively reduced, and abrasion and damage of the bearing are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbocharger technical field, concretely is a one -way gas guide channel of turbocharger bearing body. BACKGROUND

[0002] The background technology of the one-way gas guide channel of the turbocharger bearing body mainly relates to the working principle and performance requirements of the turbocharger, the turbocharger utilizes the exhaust gas energy of the engine to improve the intake density of the engine, thereby increasing the output power of the engine, the bearing body serves as an important component of the turbocharger, plays the role of supporting the floating bearing and the sealing ring, and provides a lubrication space for the shaft system components, with the continuous improvement of the power density of the engine, the supercharging ratio is also continuously increased, which causes the temperature of the turbine end to increase substantially, which poses a severe challenge to the service life and reliability of the bearing body.

[0003] The one-way gas guide channel technology emerges as the times require, by setting the one-way gas guide channel, the high-pressure gas at the back of the centrifugal compressor impeller can be introduced into the cavity between the bearing body and the heat shield, thereby playing a cooling role, this technology not only can improve the use reliability of the supercharger, but also can reduce the problem of excessive axial force caused by excessive pressure at the back of the compressor, which has important significance for optimizing the performance and prolonging the service life of the turbocharger.

[0004] However, the current one-way gas guide channel has no cooling effect or the cooling effect is not ideal, on the other hand, the airflow circulation is not convenient, therefore, we provide a one-way gas guide channel of a turbocharger bearing body. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a one-way gas guide channel of a turbocharger bearing body.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a one-way gas guide channel of a turbocharger bearing body, including turbine, one end of turbine is fixedly installed with intermediate body, the other end of intermediate body is fixedly installed with compressor, one side away from intermediate body between turbine and compressor is fixedly installed with one-way air pipe, the middle of one-way air pipe is provided with heat dissipation iron box, both sides of heat dissipation iron box are fixedly installed with arc plate, arc plate is fixedly connected with shunt body through bolt piece, the surface center of shunt body is fixedly installed with multilayer copper plate piece, the other end of shunt body is fixedly connected with two cooling liquid pipes, both ends of multilayer copper plate piece are fixedly installed with side support, two side supports are provided with track groove on both sides, the inside of multilayer copper plate piece is provided with air port, the surface of heat dissipation iron box is provided with cross cavity.

[0007] As a further scheme of the utility model: the surface of the shunt body is provided with two bolt holes, the bolt passes through the arc-shaped plate and is screw-threadedly embedded in the bolt hole.

[0008] As a further scheme of the utility model: the number of the air vents is four, and the four air vents are arranged in an array.

[0009] As a further scheme of the utility model: the cross-shaped cavity on the surface of the heat dissipation iron box is consistent in shape with the multilayer copper plate and the side support column.

[0010] As a further scheme of the utility model: a plurality of square grooves are formed on the two sides of the cross-shaped cavity on the surface of the heat dissipation iron box, a supporting column is movably installed in the square groove, a roller is installed at the center of the supporting column, the size of the roller is consistent with the size of the track groove, and the roller is embedded in the track groove.

[0011] As a further scheme of the utility model: a square column and a flow guide plate are fixedly installed on one side of the one-way air duct, a bearing is fixedly installed in the square column, a shaft is movably installed in the bearing, and a wind wheel is fixedly installed at the other end of the shaft.

[0012] As a further scheme of the utility model: the number of the flow guide plates is multiple, and the multiple flow guide plates are arranged in a horizontal array and a vertical array.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a multilayer copper plate, a shunt body, two cooling liquid pipes and a one-way air duct, and the shunt body is provided with an air vent, the other end of the shunt body is fixedly connected with the two cooling liquid pipes, and the internal pipeline is matched, so that the cooling liquid flows through the internal part of the multilayer copper plate, the temperature of the multilayer copper plate is reduced, the gas flowing through the air vent in the internal part of the multilayer copper plate is conducted, each part of the turbocharger can work in a suitable temperature range, thermal expansion and abrasion are reduced, the working reliability of the turbocharger is improved, the working temperature of the bearing can be effectively reduced, the abrasion and damage of the bearing are reduced, and therefore the service life of the bearing is prolonged.

[0015] 2. The shape and rotating speed of the wind wheel are reasonably designed, the resistance of the airflow in the one-way air duct is reduced, the airflow efficiency is improved, the rotation of the wind wheel can also make the airflow more uniformly distributed in the one-way air duct, the local overheating or airflow stagnation is avoided, this helps to ensure that the bearing body is uniformly cooled and the service life is prolonged, the shape and position of the flow guide plate are reasonably designed, the path of the airflow is optimized, the vortex and turbulent flow phenomena of the airflow in the one-way air duct are reduced, and the stability and efficiency of the airflow are further improved.

[0016] The other advantages, objects, and features of the present application will be understood in part from the following description, given in connection with the accompanying drawings, and in part will become apparent to those skilled in the art upon examination of the following or can be learned from practice of the present application. The objects and advantages of the application can be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural front view schematic diagram of the embodiment of the present application;

[0018] Figure 2 is a structural schematic diagram of the one-way air pipe and the heat dissipation iron box of the embodiment of the present application;

[0019] Figure 3 is a structural schematic diagram of the shunt and the multilayer copper plate of the embodiment of the present application;

[0020] Figure 4 is a structural schematic diagram of the embodiment of the present application; Figure 2 is a structural schematic diagram of the embodiment of the present application;

[0021] Figure 5 is a structural schematic diagram of the embodiment of the present application; Figure 2 is a structural schematic diagram of the embodiment of the present application.

[0022] In the drawings:

[0023] 11, turbine; 12, compressor; 13, intermediate body; 14, one-way air pipe; 15, heat dissipation iron box; 16, arc plate; 17, bolt piece;

[0024] 21, shunt; 22, bolt hole; 23, multilayer copper plate; 24, side support column; 25, track groove; 26, air vent; 27, cooling liquid pipe; 28, square groove; 29, support column;

[0025] 31, roller; 32, square column; 33, bearing; 34, wind wheel; 35, guide plate. DETAILED DESCRIPTION

[0026] The specific embodiments of the present application will be further described with reference to the drawings in the following. It is to be noted that the description of these embodiments is used to help understand the present application, but does not constitute limitation to the present application.

[0027] In addition, the technical features involved in each of the embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0028] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 5The utility model discloses a one -way gas -guiding channel of turbocharger bearing body, including turbine 11, one end fixed mounting of turbine 11 has intermediate body 13, the other end fixed mounting of intermediate body 13 has air compressor 12, and one -way air pipe 14 is fixedly installed between turbine 11 and air compressor 12 and is away from the side of intermediate body 13, and one -way air pipe 14 is provided with heat dissipation iron box 15 in the middle, and the both sides fixed mounting of heat dissipation iron box 15 has arc plate 16, and arc plate 16 is fixedly connected with shunt body 21 through bolt piece 17, and the surface center fixed mounting of shunt body 21 has multilayer copper plate piece 23, and the other end of shunt body 21 is fixedly connected with two cooling liquid pipes 27, and the both ends fixed mounting of multilayer copper plate piece 23 has side pillar 24, and the both sides of two side pillars 24 are provided with track groove 25, and the inside of multilayer copper plate piece 23 is provided with air hole 26, and through cooling liquid flow through the inside of multilayer copper plate piece 23, reduce the temperature of multilayer copper plate piece 23, from air hole 26 conduction to the gas flowing, can keep turbocharger each component work in the suitable temperature range, reduce thermal expansion and wear and tear, improve the working reliability of turbocharger, and the surface of heat dissipation iron box 15 is provided with cross -shaped cavity.

[0029] The surface of the flow distributor 21 is provided with two bolt holes 22, the bolt 17 penetrates the arc-shaped plate 16 and is screwed into the bolt hole 22, the number of air vents 26 is four, the four air vents 26 are arranged in an array, the cross-shaped cavity on the surface of the heat dissipation iron box 15 is consistent with the shape of the multilayer copper plate 23 and the side support column 24, by arranging the multilayer copper plate 23, the cooling liquid flows through the inside of the multilayer copper plate 23, the temperature of the multilayer copper plate 23 is reduced, the low-temperature gas is conducted to the flowing gas through the air vent 26, the turbine supercharger can work in a suitable temperature range, the thermal expansion and wear are reduced, the working reliability of the turbine supercharger is improved, the working temperature of the bearing can be effectively reduced, the wear and damage of the bearing are reduced, a plurality of square grooves 28 are arranged on both sides of the cross-shaped cavity on the surface of the heat dissipation iron box 15, the support column 29 is movably arranged in the square groove 28, the roller 31 is arranged at the center of the support column 29, the size of the roller 31 is consistent with the size of the track groove 25, and the roller 31 is embedded in the track groove 25, the square column 32 and the flow guide plate 35 are fixedly arranged on one side of the one-way air duct 14, the bearing 33 is fixedly arranged in the square column 32, the shaft rod is movably arranged in the bearing 33, and the wind wheel 34 is fixedly arranged at the other end of the shaft rod, by reasonably designing the shape and rotating speed of the wind wheel 34, the air resistance in the one-way air duct can be reduced, the air flow efficiency is improved, the rotation of the wind wheel 34 can also make the air flow more uniformly distributed in the one-way air duct, so that the local overheating or air flow is not smooth, which helps to ensure that the bearing body is uniformly cooled, the number of the flow guide plates 35 is multiple, the multiple flow guide plates 35 are arranged in a horizontal array and a vertical array, by reasonably designing the shape and position of the flow guide plate 35, the path of the air flow can be optimized, the vortex and turbulence phenomenon of the air flow in the one-way air duct is reduced, and the stability and efficiency of the air flow are further improved.

[0030] Working principle:

[0031] Firstly, the multilayer copper plate 23 at one end of the flow distributor 21 is inserted into the cavity in the heat dissipation iron box 15, the roller 31 arranged in the heat dissipation iron box 15 and the track groove 25 on both sides of the multilayer copper plate 23 are embedded, which plays a stabilizing and guiding role, when the multilayer copper plate 23 and the intermediate body 13 are completely embedded, the bolt 17 is screwed clockwise into the bolt hole 22 to fix the heat dissipation iron box 15 and the flow distributor 21, when it is necessary to replace, the bolt 17 can be disassembled clockwise, when working, the cooling liquid flows through the inside of the multilayer copper plate 23 from a cooling liquid pipe 27, so that the copper plate in the multilayer copper plate 23 is in a low-temperature state, the air vent 26 in the multilayer copper plate 23 increases the contact area with the air, and good cooling effect is provided, when the air flows into the air vent 26 in the heat dissipation iron box 15 from one end of the one-way air duct 14, it becomes low-temperature gas and flows out, under the action of the flow guide plate 35 and the wind wheel 34, it becomes stable air flow to cool the rotor, the baffle and the bearing in the air compressor 12, and the stability of the equipment is improved, thus the whole working process is completed.

[0032] The above front, rear, left, right, top and bottom are based on the drawings in the description Figure 1 of the person observation perspective as the standard, the side of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application.

[0034] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the described embodiments.

[0035] For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the scope of protection of the present application.

Claims

1. A one-way air guide passage of a turbocharger bearing housing comprising a turbine (11), characterized in that: One end of the turbine (11) is fixedly installed with an intermediate body (13), the other end of the intermediate body (13) is fixedly installed with a compressor (12), the turbine (11) and the compressor (12) are fixedly installed on the side away from the intermediate body (13) with a one-way air pipe (14), the one-way air pipe (14) is provided with a heat dissipation iron box (15) in the middle, both sides of the heat dissipation iron box (15) are fixedly installed with arc-shaped plates (16), the arc-shaped plates (16) are fixedly connected with a shunt body (21) through bolts (17), the surface of the shunt body (21) is fixedly installed with a multilayer copper plate (23), the other end of the shunt body (21) is fixedly connected with two cooling liquid pipes (27), both ends of the multilayer copper plate (23) are fixedly installed with side struts (24), both sides of the two side struts (24) are provided with track grooves (25), the inside of the multilayer copper plate (23) is provided with air vents (26), and the surface of the heat dissipation iron box (15) is provided with a cross-shaped cavity.

2. A one-way air guide passage of a turbocharger bearing housing according to claim 1, characterized in that: The surface of the shunt body (21) is provided with two bolt holes (22), and the bolts (17) are threaded into the bolt holes (22) through the arc-shaped plates (16).

3. A one-way air guide passage of a turbocharger bearing housing according to claim 1, characterized in that: The number of the air vents (26) is four, and the four air vents (26) are arranged in an array.

4. A one-way air guide passage of a turbocharger bearing housing according to claim 1, characterized in that: The cross-shaped cavity on the surface of the heat dissipation iron box (15) is consistent in shape with the multilayer copper plate (23) and the side struts (24).

5. A one-way air bleed passage for a turbocharger bearing housing according to claim 1, wherein: The cross-shaped cavity on the surface of the heat dissipation iron box (15) is provided with a plurality of square grooves (28) on both sides, the square grooves (28) are movably installed with support columns (29), the center of the support column (29) is installed with a roller (31), the size of the roller (31) is consistent with the size of the track groove (25), and the roller (31) is embedded in the track groove (25).

6. A one-way air bleed passage for a turbocharger bearing housing according to claim 1, wherein: One side of the one-way air pipe (14) is fixedly installed with a square column (32) and a guide plate (35) inside, the inside of the square column (32) is fixedly installed with a bearing (33), the inside of the bearing (33) is movably installed with a shaft, and the other end of the shaft is fixedly installed with a wind wheel (34).

7. A one-way air bleed passage for a turbocharger bearing housing according to claim 6, wherein: The number of the guide plates (35) is multiple, and the multiple guide plates (35) are arranged in a horizontal array and a vertical array.

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