Intermediate body and mounting structure thereof

Abstract

The utility model discloses an intermediate body and a mounting structure thereof, the intermediate body comprises a shell, a first connecting bump and a lubricating system, the first connecting bump is integrally formed at at least one end of the shell, the lubricating system is arranged on the shell, the shell is provided with a mounting hole, and the mounting hole is communicated with the first connecting bump. A first mounting groove, a second mounting groove, a third mounting groove and a fourth mounting groove are sequentially formed in the first end of the mounting hole, a fifth mounting groove and a sixth mounting groove are formed in the second end of the mounting hole at intervals, the lubricating system comprises an oil hole, a first oil way and a second oil way, and the oil hole is vertically formed in the outer wall of the shell; the first oil way and the second oil way are both formed in the shell and connected with the oil hole, the oil outlet end of the first oil way is connected with the fourth mounting groove, and the oil outlet end of the second oil way communicates with the mounting hole. According to the intermediate body, the first connecting protruding block is arranged on the intermediate body, so that connection with the turbine shell is more stable, oil ways in the oil holes are increased, and the lubricating efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of turbochargers, in particular to an intermediate body and a mounting structure thereof. Background Art

[0002] Gasoline engines generate power through combustion of a combustible mixture of gasoline and air within the cylinder. The power and torque of an electronic fuel injection gasoline engine depend on the amount of air entering the cylinder. When the engine is already operating at its optimal performance, the only way to increase its output power is to compress more air into the cylinder to increase the amount of combustible mixture, thereby improving combustion and output power. A turbocharger is a control device that uses pressure to drive the pump impeller in the housing to rotate, thereby driving the turbine impeller in the intake plenum chamber to pressurize air into the cylinder, thereby increasing engine output power.

[0003] The intermediate body is one of the important components of the turbocharger, which is used to connect the compressor housing and the turbine housing. The existing intermediate body is usually connected to the compressor housing and the turbine housing through fasteners. This connection method has insufficient connection stability. In addition, the oil hole is generally single, and this design has the problem of low lubrication efficiency. Utility Model Content

[0004] In order to solve the related technical problems, the utility model provides an intermediate body and an installation structure thereof, so as to solve the problems of unstable connection structure of the intermediate body and low lubrication efficiency of the oil hole.

[0005] To achieve the above objectives, the present invention adopts the following technical solutions:

[0006] An intermediate body comprising a housing, a first connecting protrusion and a lubrication system, wherein:

[0007] The first connecting protrusion is integrally formed at at least one end of the housing, and the lubrication system is provided on the housing.

[0008] The housing is provided with a mounting hole, a first mounting slot, a second mounting slot, a third mounting slot and a fourth mounting slot are sequentially provided at a first end of the mounting hole, and a fifth mounting slot and a sixth mounting slot are provided at intervals at a second end of the mounting hole.

[0009] The lubrication system includes an oil hole, a first oil circuit and a second oil circuit. The oil hole is vertically opened on the outer wall of the shell, and the first oil circuit is horizontally opened inside the shell. The axial direction of the oil hole is perpendicular to the opening direction of the first oil circuit. The oil outlet end of the oil hole is connected to the oil inlet end of the first oil circuit, and the oil outlet end of the first oil circuit is connected to the fourth mounting groove. The second oil circuit is opened below the oil hole and is vertically arranged on the side wall of the shell. The oil inlet end of the second oil circuit is connected to the oil outlet end of the oil hole, and the oil outlet end of the second oil circuit is connected to the mounting hole.

[0010] Optionally, the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove are coaxially arranged in a cylindrical shape.

[0011] Optionally, the diameter of the first mounting groove is larger than that of the second mounting groove, and a guiding slope is provided between the first mounting groove and the second mounting groove.

[0012] Optionally, the diameter of the third mounting groove is larger than that of the second mounting groove and smaller than that of the first mounting groove.

[0013] Optionally, the diameter of the fourth mounting groove is consistent with the diameter of the third mounting groove.

[0014] Optionally, the diameters of the fifth mounting groove and the sixth mounting groove are both smaller than the diameter of the second mounting groove, and the diameter of the sixth mounting groove is larger than the diameter of the fifth mounting groove.

[0015] An intermediate body installation structure includes the above-mentioned intermediate body.

[0016] Optionally, the intermediate body mounting structure further includes a compression shell and a turbine shell, the first end of the shell is connected to the turbine shell, the second end of the shell is connected to the compression shell, and the first connecting protrusion is arranged at the first end of the shell.

[0017] Optionally, the first connecting protrusions are symmetrically arranged on the side walls of the shell.

[0018] Optionally, a second docking protrusion is provided at the first end of the turbine shell corresponding to the first connecting protrusion, and the first docking protrusion and the second docking protrusion are fixedly connected by a clamp.

[0019] The beneficial effects of the present invention are as follows: compared with the prior art, the intermediate provided by the present invention has the following beneficial effects:

[0020] 1. By providing a first connecting protrusion on the intermediate piece, the connection with the turbine housing is made more stable, and the oil path in the oil hole is increased, thereby improving lubrication efficiency;

[0021] 2. The first, second, third and fourth mounting slots are provided to match the installation of different accessories, thereby improving installation efficiency;

[0022] 3. Connected by a clamp, it has a high connection stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, a brief introduction is given below to the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0024] Figure 1 This is a schematic structural diagram of an intermediate provided by an embodiment of the present utility model;

[0025] Figure 2 This is a schematic structural diagram of an intermediate provided by an embodiment of the present utility model;

[0026] Figure 3 This is a schematic structural diagram of an intermediate provided by an embodiment of the present utility model;

[0027] Figure 4 It is a structural schematic diagram of an intermediate provided in an embodiment of the present utility model. DETAILED DESCRIPTION

[0028] The present invention will be described in further detail below with reference to the accompanying drawings.

[0029] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of the present invention. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly attached to the other component or there can be a central component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there can be a central component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items.

[0030] Example

[0031] See also Figures 1 to 4 As shown, this embodiment provides an intermediate body, which includes a housing 1, a first connecting protrusion 2 and a lubrication system 3. The first connecting protrusion 2 is integrally formed at at least one end of the housing 1. The lubrication system 3 is arranged on the housing 1. The housing 1 is provided with a mounting hole 4. The first end of the mounting hole 4 is sequentially provided with a first mounting groove 10, a second mounting groove 11, a third mounting groove 12 and a fourth mounting groove 13. The second end of the mounting hole 4 is alternately provided with a fifth mounting groove 14 and a sixth mounting groove 15. The lubrication system 3 includes an oil hole 30, a first oil passage 31 and the second oil circuit 32, the oil hole 30 is vertically opened on the outer wall of the shell 1, the first oil circuit 31 is horizontally opened inside the shell 1, the axial direction of the oil hole 30 is perpendicular to the opening direction of the first oil circuit 31, the oil outlet end of the oil hole 30 is connected to the oil inlet end of the first oil circuit 31, the oil outlet end of the first oil circuit 31 is connected to the fourth mounting groove 13, the second oil circuit 32 is opened below the oil hole 30, and is arranged vertically on the side wall of the shell 1, the oil inlet end of the second oil circuit 32 is connected to the oil outlet end of the oil hole 30, and the oil outlet end of the second oil circuit 32 is connected to the mounting hole 4.

[0032] Specifically, the first installation groove 10 , the second installation groove 11 , the third installation groove 12 and the fourth installation groove 13 are coaxially provided in a cylindrical shape.

[0033] Specifically, the diameter of the first mounting groove 10 is larger than that of the second mounting groove 11 , and a guide slope is provided between the first mounting groove 10 and the second mounting groove 11 .

[0034] Specifically, the diameter of the third mounting groove 12 is larger than that of the second mounting groove 11 and smaller than that of the first mounting groove 10 .

[0035] Specifically, the diameter of the fourth installation groove 13 is consistent with the diameter of the third installation groove 12 .

[0036] Specifically, the diameters of the fifth mounting groove 14 and the sixth mounting groove 15 are both smaller than the diameter of the second mounting groove 11 , and the diameter of the sixth mounting groove 15 is larger than the diameter of the fifth mounting groove 14 .

[0037] Specifically, a limiting groove 16 is further provided on the housing 1 , and the limiting groove 16 is configured to dock with the compression shell.

[0038] It can be seen that by providing the first connecting protrusion 2 on the middle piece, the connection with the turbine shell is made more stable, and the oil path in the oil hole 30 is increased, thereby increasing the lubrication efficiency. By providing the first mounting groove 10, the second mounting groove 11, the third mounting groove 12 and the fourth mounting groove 13 to match the installation of different accessories, the installation efficiency is improved.

[0039] An intermediate body installation structure includes the above-mentioned intermediate body.

[0040] Specifically, the intermediate body mounting structure further includes a compression shell and a turbine shell. The first end of the shell 1 is connected to the turbine shell, the second end of the shell 1 is connected to the compression shell, and the first connecting protrusion 2 is provided at the first end of the shell 1 .

[0041] Specifically, the first connecting protrusions 2 are symmetrically arranged on the side walls of the housing 1 .

[0042] Specifically, a second docking protrusion is provided at the first end of the turbine housing corresponding to the first connecting protrusion 2 , and the first docking protrusion and the second docking protrusion are fixedly connected by a clamp.

[0043] It can be seen that by providing the first docking protrusion and the second docking protrusion and connecting them through the clamp, the connection stability is improved.

[0044] In the embodiments disclosed in this utility model, the terms "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; "connected" can mean a direct connection or an indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments disclosed in this utility model based on specific circumstances.

[0045] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An intermediate, characterized in that: The intermediate body comprises a housing, a first connecting protrusion and a lubrication system, wherein: The first connecting protrusion is integrally formed at at least one end of the housing, and the lubrication system is provided on the housing. The housing is provided with a mounting hole, a first mounting slot, a second mounting slot, a third mounting slot and a fourth mounting slot are sequentially provided at a first end of the mounting hole, and a fifth mounting slot and a sixth mounting slot are provided at intervals at a second end of the mounting hole. The lubrication system includes an oil hole, a first oil circuit and a second oil circuit. The oil hole is vertically opened on the outer wall of the shell, and the first oil circuit is horizontally opened inside the shell. The axial direction of the oil hole is perpendicular to the opening direction of the first oil circuit. The oil outlet end of the oil hole is connected to the oil inlet end of the first oil circuit, and the oil outlet end of the first oil circuit is connected to the fourth mounting groove. The second oil circuit is opened below the oil hole and is vertically arranged on the side wall of the shell. The oil inlet end of the second oil circuit is connected to the oil outlet end of the oil hole, and the oil outlet end of the second oil circuit is connected to the mounting hole.

2. An intermediate according to claim 1, characterized in that, The first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove are coaxially arranged in a cylindrical shape.

3. An intermediate according to claim 1, characterized in that, The diameter of the first mounting groove is larger than that of the second mounting groove, and a guiding inclined surface is provided between the first mounting groove and the second mounting groove.

4. An intermediate according to claim 1, characterized in that, The diameter of the third mounting groove is larger than that of the second mounting groove and smaller than that of the first mounting groove.

5. An intermediate according to claim 1, characterized in that, The diameter of the fourth mounting groove is consistent with the diameter of the third mounting groove.

6. An intermediate according to claim 1, characterized in that, The diameters of the fifth mounting groove and the sixth mounting groove are both smaller than the diameter of the second mounting groove, and the diameter of the sixth mounting groove is larger than the diameter of the fifth mounting groove.

7. An intermediate body installation structure, characterized in that: The intermediate body installation structure includes an intermediate body as described in any one of claims 1 to 6.

8. An intermediate according to claim 7, characterized in that, The intermediate body mounting structure further includes a compression shell and a turbine shell. The first end of the shell is connected to the turbine shell, the second end of the shell is connected to the compression shell, and the first connecting protrusion is arranged at the first end of the shell.

9. An intermediate according to claim 7, characterized in that, The first connecting protrusions are symmetrically arranged on the side walls of the housing.

10. An intermediate according to claim 7, characterized in that: A second docking protrusion is provided at the first end of the turbine shell corresponding to the first connecting protrusion, and the first docking protrusion and the second docking protrusion are fixedly connected by a clamp.

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