Telescopic lubricating oil connecting pipe, supercharger and engine

Abstract

The utility model discloses a telescopic lubricating oil connecting pipe, supercharger and engine, the telescopic lubricating oil connecting pipe comprises a lubricating oil connecting pipe and a lubricating oil pipe, one end of the lubricating oil connecting pipe is provided with threads, the other end of the lubricating oil connecting pipe is provided with a guide groove and a sealing groove, the guide groove is internally provided with a guide ring, and the sealing groove is internally provided with a sealing ring; the end, provided with the guide groove and the sealing groove, of the lubricating oil connecting pipe is arranged in the lubricating oil pipe, and the lubricating oil connecting pipe and the lubricating oil pipe are locked through the limiting nut. Through the arrangement of the lubricating oil connecting pipe and the lubricating oil pipe, connection between the engine body and the supercharger lubricating oil pipe is achieved, the lubricating oil connecting pipe can slide in the lubricating oil pipe to stretch out and draw back, the compression ratio of the flange structure to the sealing gasket can be guaranteed, and then the sealing performance of the telescopic lubricating oil connecting pipe is guaranteed; the problem that an existing structure cannot guarantee the compression ratio of a sealing gasket is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lubricating oil pipe connection technical field, concretely relates to a telescopic lubricating oil pipe, supercharger and engine. BACKGROUND

[0002] The statements herein merely provide background information related to the utility model and do not necessarily constitute the prior art.

[0003] The engine is the power source of the vehicle, which generates power by burning fuel. The supercharger, especially the turbocharger, is an important component to improve the power of the engine. The turbocharger uses the energy of the exhaust gas discharged by the engine to drive the turbine to rotate at high speed, and then drives the coaxial compressor impeller to rotate, compresses the air entering the engine, increases the air density, makes the engine burn more fuel, and thus improves the output power and reduces the fuel consumption rate. The engine and the supercharger are closely connected through the driving and lubricating system, and the engine provides the necessary lubrication and cooling for the supercharger through the lubricating oil pipe, thereby ensuring the reliable operation of the engine and the supercharger.

[0004] The lubricating oil pipe of the engine is connected with the lubricating oil pipe of the supercharger, one end of the lubricating oil pipe is provided with threads, the other end is provided with a flange, the threaded end of the lubricating oil pipe is screwed into the threaded hole of the body after being coated with sealant, and the flange end is connected with the lubricating oil pipe of the supercharger through bolts after being separated by a gasket. The existing structure has the following problems: after the threaded end of the lubricating oil pipe is screwed into the threaded hole of the body, the position can only be controlled as much as possible to make the flange side of the lubricating oil pipe adhere to the lubricating oil pipe of the supercharger and the gasket, but the compression rate of the gasket cannot be guaranteed, and there is a risk of oil leakage. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a telescopic lubricating oil pipe, supercharger and engine, which can freely adjust the length of the oil pipe along the axial direction, support and guide the oil pipe through the guide ring, avoid the sealing ring from being worn due to the deflection of the oil pipe, and make the sealing more reliable.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0007] In the first aspect, the embodiment of the utility model provides a telescopic lubricating oil pipe, which comprises a lubricating oil pipe and a lubricating oil pipe, one end of the lubricating oil pipe is provided with threads, the other end is provided with a guide groove and a sealing groove, a guide ring is installed in the guide groove, and a sealing ring is installed in the sealing groove; one end of the lubricating oil pipe with the guide groove and the sealing groove is placed in the lubricating oil pipe, and the lubricating oil pipe and the lubricating oil pipe are locked by a limiting nut.

[0008] As a further technical scheme, the lubricating oil connector pipe comprises a threaded part and a sliding part, the diameter of the threaded part is smaller than the diameter of the sliding part, the threaded part is provided with threads, and the sliding part is provided with a guide groove and a sealing groove.

[0009] As a further technical scheme, one end of the lubricating oil pipe is in a necked structure, the other end is in a flange structure, the inner diameter of the necked structure matches the outer diameter of the threaded part of the lubricating oil connector pipe, and the inner diameter of the lubricating oil pipe matches the outer diameter of the sliding part of the lubricating oil connector pipe.

[0010] As a further technical scheme, the flange structure is provided with a threaded hole, the flange structure is connected with the flange structure of the supercharger lubricating oil pipe through bolts, and a sealing gasket is arranged between the two flange structures.

[0011] As a further technical scheme, the threads of the limiting nut are engaged with the threads on the threaded part of the lubricating oil connector pipe, and the limiting nut locks the lubricating oil connector pipe to the end face of the necked structure of the lubricating oil pipe.

[0012] As a further technical scheme, the guide groove and the sealing groove are arranged in parallel and are separated by a certain distance.

[0013] As a further technical scheme, the lubricating oil connector pipe is provided with an internal hexagonal structure at the end of the lubricating oil pipe.

[0014] As a further technical scheme, the cross-sectional shape of the sealing ring is circular, rectangular or elliptical.

[0015] In the second aspect, the embodiments of the utility model provide a supercharger which comprises the telescopic lubricating oil connector pipe.

[0016] In the third aspect, the embodiments of the utility model provide an engine which comprises the supercharger.

[0017] The beneficial effects of the above embodiments of the utility model are as follows:

[0018] The telescopic lubricating oil connector pipe provided by the utility model realizes the connection between the engine body and the supercharger lubricating oil pipe through the lubricating oil connector pipe and the lubricating oil pipe, the lubricating oil connector pipe can slide in the lubricating oil pipe to realize telescopic movement, so that the length of the telescopic lubricating oil connector pipe can be adjusted according to the distance between the engine body and the supercharger lubricating oil pipe, the compression rate of the flange structure to the sealing gasket is ensured, and the sealing property of the telescopic lubricating oil connector pipe is ensured, thereby solving the problem that the existing structure cannot ensure the compression rate of the sealing gasket.

[0019] The telescopic lubricating oil connecting pipe provided by the utility model sets sealing ring and guide ring at the position of the lubricating oil connecting pipe in the lubricating oil pipe, the sealing ring is used for realizing the sealing between the lubricating oil connecting pipe and the lubricating oil pipe, the guide ring supports and guides the lubricating oil connecting pipe, the sealing ring can be prevented from being eccentrically worn due to the eccentric installation of the oil pipe, the reliability of the structure sealing is improved while the sealing is ensured.

[0020] The telescopic lubricating oil connecting pipe provided by the utility model, the lubricating oil connecting pipe comprises a threaded part and a sliding part, the lubricating oil pipe is provided with a necking structure, the diameter of the threaded part is smaller than the diameter of the sliding part, the inner diameter of the necking structure matches the outer diameter of the threaded part of the lubricating oil connecting pipe, and the inner diameter of the lubricating oil pipe matches the outer diameter of the sliding part of the lubricating oil connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings constituting a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0022] Figure 1 is the sectional structure schematic diagram of the telescopic lubricating oil connecting pipe of the utility model Figure 1 ;

[0023] Figure 2 is the sectional structure schematic diagram of the telescopic lubricating oil connecting pipe of the utility model Figure 2 ;

[0024] Figure 3 is the overall structure schematic diagram of the telescopic lubricating oil connecting pipe of the utility model.

[0025] The schematic diagram is only used for illustration;

[0026] Among them, 1, lubricating oil connecting pipe;101, threaded part;102, sliding part;103, sealing groove;104, guide groove;105, inner hex structure;2, sealing ring;3, guide ring;4, lubricating oil pipe;401, necking structure;402, flange structure;403, threaded hole;5, limit nut. DETAILED DESCRIPTION

[0027] It should be pointed out that the following detailed description is all exemplary, and aims at providing further description of the utility model. Unless otherwise specified, all the technical and scientific terms used in the utility model have the same meaning as that generally understood by the ordinary skilled in the art to which the utility model belongs.

[0028] Embodiment 1

[0029] In a typical embodiment of this utility model, such as Figures 1-3 As shown, a telescopic lubricating oil connector is provided, including a lubricating oil connector 1 and a lubricating oil pipe 4. One end of the lubricating oil connector 1 is provided with a thread, and the other end is provided with a guide groove 104 and a sealing groove 103. A guide ring 3 is installed in the guide groove 104, and a sealing ring 2 is installed in the sealing groove 103. The end of the lubricating oil connector 1 with the guide groove 104 and the sealing groove 103 is placed in the lubricating oil pipe 4, and the lubricating oil connector 1 and the lubricating oil pipe 4 are locked by a limiting nut 5.

[0030] In this embodiment, the lubricating oil connector 1 includes a threaded portion 101 and a sliding portion 102. The diameter of the threaded portion 101 is smaller than the diameter of the sliding portion 102. The threaded portion 101 has threads, and the sliding portion 102 has a guide groove 104 and a sealing groove 103. Further, one end of the lubricating oil pipe 4 is a constricted end structure 401, and the other end is a flange structure 402. The inner diameter of the constricted end structure 401 matches the outer diameter of the threaded portion 101 of the lubricating oil connector 1, and the inner diameter of the lubricating oil pipe 4 matches the outer diameter of the sliding portion 102 of the lubricating oil connector 1. The sliding portion 102 is placed inside the lubricating oil pipe 4 and can slide axially within the lubricating oil pipe 4, thereby realizing the extension and retraction of the telescopic lubricating oil connector. The extension and retraction length of the lubricating oil connector is adjusted according to the distance between the machine body and the turbocharger lubricating oil pipe.

[0031] In this embodiment, the flange structure 402 is provided with a threaded hole 403 for axial adjustment of the oil pipe position. The flange structure 402 is connected to the flange structure of the turbocharger lubricating oil pipe by bolts, and a sealing gasket is provided between the two flange structures. The telescopic lubricating oil pipe can adjust its length axially, thereby ensuring the compression ratio of the sealing gasket by the two flange structures, and thus ensuring the sealing performance of the telescopic lubricating oil pipe.

[0032] In this embodiment, the thread of the limiting nut 5 engages with the thread on the threaded portion 101 of the lubricating oil connector 1, and the limiting nut 5 locks the lubricating oil connector to the end face of the constriction structure 401 of the lubricating oil pipe 4, thereby achieving a fixed connection between the lubricating oil connector 1 and the lubricating oil pipe 4.

[0033] In this embodiment, the guide groove 104 and the sealing groove 103 are arranged in parallel and separated by a set distance. The cross-sectional shape of the sealing ring 2 can be circular, rectangular, or elliptical. The sealing ring 2 is used to achieve a seal between the lubricating oil connector 1 and the lubricating oil pipe 4. The guide ring 3 is rectangular in shape and provides support and guidance for the lubricating oil connector 1, which can prevent uneven wear of the sealing ring 2 caused by misalignment of the oil pipe installation.

[0034] In the embodiment, the lubricating oil connector 1 is provided with an internal hex 105 at the end of the lubricating oil pipe 4, and the end of the threaded part 101 of the lubricating oil connector 1 is screwed onto the engine body through the internal hex 105.

[0035] During installation, the sealing ring 2 and the guide ring 3 are sequentially installed into the sealing groove 103 and the guide groove 104 of the lubricating oil connector 1, and then the lubricating oil connector 1 is inserted into the lubricating oil pipe 4, so that the threaded part 101 of the lubricating oil connector 1 extends out of the neck structure 401 of the lubricating oil pipe 4, and the limiting nut 5 is screwed onto the threaded part 101 of the lubricating oil connector 1. Before the relative position of the lubricating oil connector 1 and the lubricating oil pipe 4 is adjusted, the limiting nut 5 does not need to be screwed to the bottom, the threaded part 101 of the lubricating oil connector 1 is installed on the engine body, the flange structure of the lubricating oil pipe 4 is connected to the flange structure on the supercharger lubricating oil pipe through bolts, the compression rate of the sealing gasket between the two flange structures is ensured, and the reliability of the sealing is further ensured; finally, the lubricating oil connector 1 and the lubricating oil pipe 4 are locked and fixed through the limiting nut 5.

[0036] Embodiment 2

[0037] In a typical embodiment of the embodiment, a supercharger is provided, which comprises the telescopic lubricating oil connector of the embodiment 1.

[0038] Embodiment 3

[0039] In a typical embodiment of the embodiment, an engine is provided, which comprises the supercharger of the embodiment 2.

[0040] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A telescoping lubricating oil connection tube characterized by, The lubricating oil connector has a threaded portion and a sliding portion, the diameter of the threaded portion is smaller than that of the sliding portion, the threaded portion is provided with threads, and the sliding portion is provided with a guide groove and a sealing groove.

2. The telescoping lubricating oil neck tube of claim 1, wherein, The lubricating oil connector has a threaded portion and a sliding portion, the diameter of the threaded portion is smaller than that of the sliding portion, the threaded portion is provided with threads, and the sliding portion is provided with a guide groove and a sealing groove.

3. The telescoping lubricating oil neck tube of claim 2, wherein, The lubricating oil connector has a threaded portion and a sliding portion, the diameter of the threaded portion is smaller than that of the sliding portion, the threaded portion is provided with threads, and the sliding portion is provided with a guide groove and a sealing groove.

4. The telescoping lubricating oil neck tube of claim 3, wherein, The flange structure is connected with the flange structure of the supercharger lubricating oil pipe through bolts, and a sealing gasket is arranged between the two flange structures.

5. The telescoping lubricating oil neck tube of claim 3 wherein, The threads of the limiting nut are engaged with the threads on the threaded portion of the lubricating oil connector, and the limiting nut locks the lubricating oil connector to the end surface of the lubricating oil pipe.

6. The telescoping lubricating oil neck tube of claim 1 wherein, The guide groove and the sealing groove are arranged in parallel and are separated by a certain distance.

7. The telescoping lubricating oil neck tube of claim 1 wherein, The lubricating oil connector is provided with an internal hexagonal structure at the end of the lubricating oil pipe.

8. The telescoping lubricating oil neck tube of claim 1 wherein, The cross-sectional shape of the sealing ring is circular, rectangular or elliptical.

9. A supercharger characterized by, The lubricating oil connector has a threaded portion and a sliding portion, the diameter of the threaded portion is smaller than that of the sliding portion, the threaded portion is provided with threads, and the sliding portion is provided with a guide groove and a sealing groove.

10. An engine characterized by, The lubricating oil connector has a threaded portion and a sliding portion, the diameter of the threaded portion is smaller than that of the sliding portion, the threaded portion is provided with threads, and the sliding portion is provided with a guide groove and a sealing groove.

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