Supercharger oil return pipe and engine

Abstract

The utility model discloses an oil return pipe of a supercharger and an engine. The oil return pipe of the supercharger comprises an oil pipe, a fixing piece and a fixing flange, the fixing piece is arranged on the outer wall of the oil return pipe in a sleeving mode, and installation threads are arranged on the outer side wall of the fixing piece. A mounting through hole matched with the oil pipe is formed in the center of the fixing flange, and a thread groove matched with the mounting thread is formed in the inner wall of the mounting through hole; the oil pipe is arranged in the mounting through hole in a penetrating mode, the fixing piece is in threaded connection with the inner wall of the mounting through hole, and the fixing piece abuts against the end, close to the fixing flange, of the oil pipe. According to the utility model, through the fixing piece arranged between the oil return pipe and the flange, the oil return pipe can be fixed on the engine through the threads only by rotating the fixing piece, so that the operation space required during assembly is reduced, the operation difficulty during installation is reduced, and the possibility of collision and hooking between the oil return pipe and gas parts during installation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts, in particular to a supercharger oil return pipe and engine. BACKGROUND

[0002] The engine supercharger oil return pipe is a pipe connecting the cylinder and the supercharger. The supercharger oil return pipe in the prior art has two types: integral type and split type. The main connection mode of the supercharger oil return pipe and the supercharger is mainly flange fixing and welding.

[0003] The utility model discloses a supercharger oil return pipe and engine, and the utility model discloses a supercharger oil return pipe and engine, which comprises a fixed flange and an oil pipe, the middle part of the fixed flange is provided with a threaded connection hole, and the outer periphery of the fixed flange is provided with a fixed bolt hole used for being connected with the supercharger oil return port, the oil pipe comprises a threaded connection end, and the threaded connection end is used for cooperating with the threaded connection hole. It can effectively solve the difficult assembly of the supercharger oil return pipe caused by the small installation space.

[0004] The utility model is through setting up the thread at the end of the oil return pipe, and then realizing the fixation of the oil return pipe by cooperating the threaded end of the oil return pipe with the threaded connection hole formed on the fixed flange. Although this way has certain convenience in installation operation, it still needs to rotate the whole oil return pipe to fix the oil return pipe on the fixed flange during operation, and the operation needs a larger space, so the installation steps are still relatively complicated. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a supercharger oil return pipe to reduce the operation space required for the installation and removal of the oil return pipe and save the operation steps.

[0006] To solve the above technical problems, the utility model provides a supercharger oil return pipe, which comprises an oil pipe, a fixing piece and a fixed flange.

[0007] The fixing piece is sleeved on the outer wall of the oil return pipe, and the outer side wall of the fixing piece is provided with a mounting thread.

[0008] The fixed flange has a mounting through hole matched with the oil pipe at the center position, and the inner wall of the mounting through hole is provided with a threaded groove matched with the mounting thread.

[0009] The oil pipe is arranged in the mounting through hole, the fixing piece is threadedly connected with the inner wall of the mounting through hole, and the end of the fixing piece close to the fixed flange abuts against the oil pipe.

[0010] Further, the outer side wall of the fixing piece is provided with a fastening hole, and the fastening hole is exposed outside the fixed flange.

[0011] Further, the fastening holes are provided in plurality and are uniformly distributed in a circle on the fixing member.

[0012] Further, the oil pipe is provided with a limiting protrusion at the outer end close to the fixing flange, and the limiting protrusion abuts against the fixing member.

[0013] Further, the limiting protrusion is provided with a sealing gasket on the end face away from the fixing member.

[0014] Further, the cross section of the mounting through hole is in a stepped shape.

[0015] In another aspect, the utility model discloses an engine using the supercharger oil return pipe.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] The utility model discloses the fixing member between oil return pipe and flange, realizes when installing not needing rotating oil return pipe itself, only needs rotating fixing member and can utilize screw thread to fix oil return pipe on engine, reduces the operation space needed when assembling, reduces the operation difficulty when installing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure section view schematic drawing of the utility model supercharger oil return pipe.

[0019] Fig. 2 It is the structure section view schematic drawing of the utility model supercharger oil return pipe.

[0020] Fig. 3 It is the structure section view schematic drawing of the utility model supercharger oil return pipe.

[0021] Fig. 4 It is the structure section view schematic drawing of the utility model supercharger oil return pipe. DETAILED DESCRIPTION

[0022] The utility model will be described in more detail below in conjunction with the schematic drawing, wherein the preferred embodiment of the utility model is shown, and it should be understood that the skilled in the art can modify the utility model described herein, and still achieve the advantageous effects of the utility model. Therefore, the following description should be understood as the extensive knowledge of the skilled in the art, and not as the limitation of the utility model.

[0023] The utility model is described in more detail by way of example with reference to the drawings in the following paragraphs. The advantages and features of the utility model will be more apparent from the following description. It should be noted that the drawings are all very simplified and use non-precise scales, and are only used to facilitate and clarify the purpose of assisting in the description of the utility model embodiments.

[0024] Embodiment 1

[0025] As Figs. 1 to 4 shown, the utility model discloses a booster oil return pipe, including oil pipe 1, fixed part 2 and fixed flange 3.

[0026] Specifically, the fixed part 2 is sleeved on the outer wall of the oil return pipe, and the outer side wall of the fixed part 2 is provided with mounting threads.

[0027] The fixed flange 3 has a mounting through hole 4 matched with the oil pipe 1 at the center position, and the inner wall of the mounting through hole 4 is provided with a threaded groove matched with the mounting threads.

[0028] The oil pipe 1 is arranged through the mounting through hole 4, the fixed part 2 is threadedly connected with the inner wall of the mounting through hole 4, and the end of the fixed part 2 close to the fixed flange 3 abuts against the oil pipe 1.

[0029] In this embodiment, when the installation of the oil return pipe is needed, the fixed flange 3 is first fixed and installed on the mounting plane of the equipment to be installed by bolts. Then, the oil pipe 1 is inserted into the mounting through hole 4. Finally, the fixed part 2 is threadedly installed into the mounting through hole 4. Since the end of the fixed part 2 abuts against the oil pipe 1, after the fixed part 2 is completely installed and fixed, the end of the oil pipe 1 abuts against the fixed part 2 and the mounting plane of the equipment to be installed respectively, and the installation of the oil pipe 1 and the equipment to be installed is completed.

[0030] It should be noted that the fixed part 2 is a cylindrical fixing sleeve, and the end of the fixed part 2 close to the fixed flange 3 has a chamfer structure, which facilitates the butt joint installation of the fixed part 2 to the mounting through hole 4 of the fixed flange 3.

[0031] Further, the outer side wall of the fixed part 2 is provided with a fastening hole 5, and the fastening hole 5 is exposed outside the fixed flange 3.

[0032] Specifically, the fastening hole 5 is provided with a plurality of fastening holes 5, and the fastening holes 5 are uniformly distributed on the fixed part 2 in a circle.

[0033] In the embodiment, when the fixing of the fixing member 2 is needed, the fixing member 2 is butted into the mounting through hole 4, and then a rod-shaped object is inserted into the fastening hole 5, and the fixing member 2 is rotationally fastened.

[0034] Further, the oil pipe 1 is fixedly provided with a limiting protrusion 6 close to the outer end of the fixing flange 3, and the limiting protrusion 6 abuts against the fixing member 2.

[0035] Specifically, the cross section of the mounting through hole 4 is in a stepped shape. The stepped shape is a two-level stepped shape, and the inner walls of the two-level stepped shape are matched with the limiting protrusion 6 and the fixing member 2 respectively.

[0036] When the oil pipe 1 is installed and fixed, the limiting protrusion 6 passes through the mounting through hole 4 and reaches the boundary between the mounting through hole 4 and the mounting plane of the equipment to be installed, at this time, the limiting protrusion 6 is in abutting contact with the inner wall of the stepped shape. Then, the fixing member 2 is rotated into the mounting through hole 4, and the fixing member 2 is threadedly connected with the inner wall of the other stepped shape. At the same time, the fixing member 2 abuts against the limiting protrusion 6, cooperates with the mounting plane of the equipment to be installed, and completes the butt joint and fixing of the oil pipe 1.

[0037] In order to improve the sealing performance of the oil pipe 1 connection, the end face of the limiting protrusion 6 away from the fixing member 2 is provided with a sealing gasket 7. The sealing gasket 7 is arranged between the limiting protrusion 6 and the mounting plane of the equipment to be installed.

[0038] Embodiment 2

[0039] The utility model discloses still a kind of engine, adopt above-mentioned supercharger oil return pipe. Specifically, supercharger oil return pipe is installed on the oil circuit of engine. Since supercharger oil return pipe can be installed in narrow space, it is convenient for operator to install supercharger oil return pipe.

[0040] Compared with prior art, the utility model at least has following beneficial effects:

[0041] The utility model through setting up the fixing member between oil return pipe and flange, realize when installing not need to rotate oil return pipe itself, only need to rotate fixing member can utilize screw and fix oil return pipe on engine, reduce the operation space needed when assembling, reduce the operation difficulty when installing. Since rotating component is fixing member instead of oil return pipe itself in the process of installation and removal, reduce the possibility of collision and hooking between oil return pipe and gas parts when installing.

[0042] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A supercharger oil return tube characterized by, The oil pipe, the fixing member and the fixing flange are provided. The fixing member is sleeved on the outer wall of the oil return pipe, and the outer side wall of the fixing member is provided with mounting threads. The fixing flange is provided with a mounting through hole matching the oil pipe at the center position, and the inner wall of the mounting through hole is provided with thread grooves matching the mounting threads. The oil pipe is arranged in the mounting through hole, the fixing member is threadedly connected with the inner wall of the mounting through hole, and the fixing member abuts against the end of the oil pipe close to the fixing flange.

2. The supercharger oil return pipe of claim 1, wherein, The outer side wall of the fixing member is provided with fastening holes, and the fastening holes are exposed outside the fixing flange.

3. The supercharger oil return pipe of claim 2, wherein, The fastening holes are arranged in multiple, and the fastening holes are uniformly distributed on the fixing member in a circle.

4. The supercharger oil return tube of claim 1, wherein The outer end of the oil pipe close to the fixing flange is fixedly provided with a limiting protrusion, and the limiting protrusion abuts against the fixing member.

5. The supercharger oil return pipe of claim 4, wherein, The end face of the limiting protrusion away from the fixing member is provided with a sealing gasket.

6. The supercharger oil return line of claim 1, wherein The mounting through hole is in a stepped cross section.

7. An engine characterized by, The supercharger oil return pipe is adopted.

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