CN218816581U

CN218816581U - Supercharger type oil pipeline sealing structure and supercharger

Info

Publication number: CN218816581U
Application number: CN202320091028.5U
Authority: CN
Inventors: 李鑫
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-04-07
Anticipated expiration: 2033-01-31

Abstract

The utility model belongs to the technical field of the engine, specifically provide a booster compressor type oil pipe way seal structure and booster compressor, booster compressor type oil pipe way seal structure mainly used is connected to the booster oil return opening with standard pipe fitting, including structure body and seal assembly, the structure body is including being used for being connected to the joint of booster oil return opening, the seal assembly cover is established connect week side, seal assembly is including coaxial first sealing washer, clamping ring and the second sealing washer that sets up in proper order. Through the mode that sets up the double ring seal circle, reach the purpose that realizes twice even multichannel sealed under the condition of not pressure boost return oil pipe length, optimized the not high engine oil leakage's that leads to of current booster compressor engine oil pipe way seal structure leakproofness.

Description

Supercharger type oil pipeline sealing structure and supercharger

Technical Field

The utility model belongs to the technical field of the engine, concretely relates to booster compressor type oil pipe way seal structure and booster compressor.

Background

The oil return pipe of the supercharger on the engine is mainly used for connecting an oil return channel between the supercharger and the engine body of the engine. At present, a pipe joint of a supercharger oil return pipe is in interference fit with an engine body of an engine, for example, a turbocharger oil return pipeline provided by CN 208918686U. The oil return pipeline of the turbocharger comprises an oil inlet part, an oil outlet part and an oil return pipe, wherein one end of the oil return pipe is connected with the oil inlet part, the end with the smaller diameter of the oil inlet pipe is positioned in the oil return pipe, and the other end of the oil return pipe is connected with the oil outlet part; the oil outlet part comprises an oil outlet hole, an oil outlet joint and a second flange piece used for fixing the oil outlet part, the oil outlet hole is connected with the oil outlet joint, and the oil outlet joint protrudes out of the lower side face of the second flange piece.

The following problems exist in the supercharger oil return line:

this oil return pipe goes out oil part and component oil outlet joint thereof adopts interpolation formula to seal, and oil outlet joint passes through one sealing washer promptly and seals through interference fit with the oil-out inner wall, and through the actual measurement, one sealing washer sealing reliability is lower relatively, takes place the engine oil seepage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the sealing structure of the oil pipeline of the supercharger and the supercharger are provided, and the problem that the sealing reliability of the existing sealing structure of the oil pipeline of the supercharger is low is solved.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a booster compressor type oil pipe way seal structure for be connected to booster oil return opening with standard pipe fitting, including structure body and seal assembly, the structure body is including being used for being connected to the joint of booster oil return opening, the seal assembly cover is established connect week side, seal assembly is including coaxial first sealing washer, clamping ring and the second sealing washer that sets up in proper order.

According to a preferred embodiment, the joint mating with the sealing assembly is provided with an annular groove.

According to a preferred embodiment, the first sealing ring and the second sealing ring are of the same size.

According to a preferred embodiment, the sealing assembly further comprises a plurality of sets of connecting rings and second sealing rings.

According to a preferred embodiment, the structural body further comprises a flange connected to the standard pipe fitting, a first through hole and a second through hole are formed in the flange, the flange is sleeved at one end, away from the annular groove, of the joint based on the first through hole, the inner diameter, away from the annular groove, of the joint is matched with the outer diameter of the standard pipe fitting, and therefore the standard pipe fitting can be clamped with the joint.

According to a preferred embodiment, a bolt hole is formed in the matching position of the supercharger oil return port and the second through hole, and the second through hole connects the flange to the supercharger oil return port under the action of a bolt.

A supercharger comprises a supercharger body and the sealing structure of the supercharger engine oil pipeline.

Adopt above-mentioned technical scheme's utility model, have following advantage:

1. through the mode that sets up the dicyclo sealing washer, reach and realize the purpose of multichannel sealed under the condition of not pressure boost oil return pipe joint department length.

2. The existing joint structure is not needed to be adjusted, and the sealing performance of the joint is improved.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is an assembly view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention as installed;

FIG. 3 is a block diagram of the seal assembly of the present invention;

the main element symbols are as follows:

1: a structural body; 11: a joint; 12: an annular groove; 2: standard pipe fittings; 3: a seal assembly; 31: a first seal ring; 32: a connecting ring; 33: a second seal ring; 13: a flange; 14: a first through hole; 15: a second through hole; 16: a bolt; 4: and an oil return port of the supercharger.

Detailed Description

The invention including the detailed description will be described with reference to the drawings and specific embodiments, wherein like or similar elements are designated by the same reference numerals throughout the several views, and wherein the implementations not shown or described in the drawings are of a form known to those skilled in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 3, the utility model discloses a booster type engine oil pipe way seal structure for be connected to booster oil return opening 4 with standard pipe fitting 2. Comprising a structural body 1 and a sealing assembly 3. The structure body 1 comprises a joint 11 connected to the oil return port 4 of the supercharger, and the sealing component 3 is sleeved on the periphery of the joint 11. The sealing assembly 3 comprises a first sealing ring 31, a connecting ring 32 and a second sealing ring 33, which are coaxially arranged in sequence. The joint 11 is inserted into a connecting hole reserved on the supercharger oil return port 4 when the structure body 1 is connected to the supercharger oil return port 4, and is in interference connection with the connecting hole through the first sealing ring 31 and the second sealing ring 33, so that the sealing performance of the connecting position is improved. The first seal ring 31 and the second seal ring 33 are identical in size. The first seal ring 31, the second seal ring 33 and the connecting ring 32 may be integrally formed structures or may be fixed together by welding and screwing. Preferably, the sealing performance of the device can be further improved by additionally arranging the second sealing ring 33 and the connecting ring 32. Referring to fig. 3, the first seal ring 31 and the second seal ring 33 are shown as being of the same size, taken in cross-section I-I.

Further, the sealing performance of the seal assembly may be increased by increasing the number of the connection rings 32 and the number of the second seal rings 33, for example, the number of the connection rings 32 and the number of the second seal rings are set to 2.

The structural body 1 also comprises a flange 13 for connection to the standard pipe 2. The joint 11 is provided with an annular groove 12 at the junction with the mating seal assembly 3. One end of the joint 11 is connected with the connecting hole, and the other end is connected with a flange 13 of the structure body 1. The flange 13 is provided with a first through hole 14 and a second through hole 15. The flange 13 is sleeved on the end of the joint 11 far away from the annular groove 12 based on the first through hole 14. The inner diameter of the end of the coupling 11 remote from the annular groove 12 (i.e. the side close to the flange 13) is arranged to match the outer diameter of the standard pipe 2 so that the standard pipe 2 can be engaged with the coupling 11.

As shown in fig. 2, the second through hole 15 can connect the flange 13 to a bolt hole on the supercharger oil return 4 matching the position of the second through hole 15 under the connection of bolts 16.

It is right above the utility model provides a booster compressor type engine oil pipe way seal structure and booster compressor have carried out detailed introduction. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a booster compressor type oil pipe way seal structure for be connected to booster oil return opening (4) with standard pipe fitting (2), its characterized in that, including structure body (1) and seal assembly (3), structure body (1) is including being used for being connected to connect (11) of booster oil return opening (4), seal assembly (3) cover is established connect (11) week side, seal assembly (3) are including coaxial first sealing washer (31), connecting ring (32) and the second sealing washer (33) that set up in proper order.

2. Supercharger-type oil line sealing structure according to claim 1, characterized in that the joint (11) where it mates with the sealing assembly (3) is provided with an annular groove (12).

3. Supercharger engine oil line sealing structure according to claim 1, characterized in that the first sealing ring (31) and the second sealing ring (33) are of identical size.

4. Supercharger engine oil line sealing structure according to claim 1, characterized in that the sealing assembly (3) further comprises at least two sets of connecting rings (32) and second sealing rings (33).

5. Supercharger engine oil line sealing structure according to claim 2, characterized in that the structural body (1) further comprises a flange (13) for connecting to the standard pipe fitting (2), wherein a first through hole (14) and a second through hole (15) are provided on the flange (13), the flange (13) is sleeved on the end of the joint (11) away from the annular groove (12) based on the first through hole (14), and the inner diameter of the end of the joint (11) away from the annular groove (12) matches the outer diameter of the standard pipe fitting (2) so that the standard pipe fitting (2) can be engaged with the joint (11).

6. Supercharger engine oil line sealing structure according to claim 5, characterized in that bolt holes are provided at matching positions of the supercharger oil return (4) and the second through holes (15), and the second through holes (15) connect the flange (13) to the supercharger oil return (4) under the action of bolts (16).

7. A supercharger comprising a supercharger body and a supercharger-type oil line sealing structure according to any one of claims 1 to 6.