CN205938250U - Diesel engine oil way pipeline connecting device - Google Patents

Abstract

The utility model relates to the technical field of pipelines and provides a diesel engine oil pipeline connection device. A diesel engine oil pipeline connection device proposed has a main body connecting pipe (1) for connecting two external pipes (4) into one body; the main body connecting pipe (1) is a cylinder with a hollow structure; the main body connecting pipe (1) ) has an external thread (11) in the middle of the outer circular surface; both ends of the outer circular surface of the pipe connected to the main body have circumferential grooves (12), and the circumferential grooves (12) are inclined to the middle by the two ends of the main body connected pipe (1) Wedge shape at a certain angle; the circumferential groove (12) is provided with an elastic ring (2) sleeved on the main body connecting pipe; the outer thread (11) of the main body connecting pipe is provided with a nut (3) threaded with it. The utility model can achieve the characteristics of relatively convenient processing technology, quick operation, convenient use and tight connection, and has a wide application range.

Description

A diesel engine oil pipeline connection device

technical field

The utility model relates to the technical field of pipelines, in particular to a diesel engine oil pipeline connection device.

Background technique

The connection of pipelines is widely used in the mechanical field, especially in diesel engine oil pipelines, where smooth oil pipelines are widely used. For such pipelines, there are two main methods currently used. One is to weld two sections of pipelines together. Connection, this type of result cannot be moved and disassembled. Once there is a problem with the pipeline, it is difficult to solve the problem, and welding will also deform the pipeline, which will affect the flow of fluid inside the pipeline. The second is to use a connector with a clamp, that is, to compress and deform the clamp through the nut for fixed connection and sealing. This is also the most commonly used pipeline connection method at present. The clamp is for one-time use and cannot be used again, and occasionally the connection is not tight, which will cause the problem of fluid leakage in the pipe.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to propose a diesel engine oil pipeline connection device.

The utility model adopts following technical scheme for accomplishing the above object:

A diesel engine oil pipeline connection device, the pipeline connection device has a main body connection pipe for connecting two external pipes into one body; the main body connection pipe is a hollow cylinder; the outer diameter of the main body connection pipe is Smaller than the inner diameter of the external pipe; the middle part of the outer circular surface of the main body connecting pipe has an external thread; both ends of the outer circular surface of the main connecting pipe have circumferential grooves, and the circumferential grooves are from the two ends of the main connecting pipe to the middle The inclined wedge shape makes the two ends of the connecting pipe of the main body form a truncated cone whose diameter gradually expands from the center of the connecting pipe of the main body to both ends; an elastic ring sleeved on the connecting pipe of the main body is arranged in the circumferential groove, And the elastic ring can slide in the circumferential groove along the direction of the center line of the main body connecting pipe; the elastic ring is an open ring; the outer diameter of the elastic ring is smaller than the inner diameter of the outer diameter pipe; the main body connecting pipe The outer thread is provided with a nut threaded with it, and there are two nuts; the elastic ring will expand and tighten between the external pipe and the wedge-shaped body of the main connecting pipe when the external pipe is butted and drawn. In between, the external pipe and the main connecting pipe are closely connected as a whole, and the nuts threaded with the main connecting pipe are closely fitted to the port surface of the external pipe.

The utility model proposes a diesel engine oil pipeline connection device, which can achieve the characteristics of relatively convenient processing technology, quick operation, convenient use, tight connection, etc., and has a wide range of applications.

Description of drawings

Fig. 1 is a structural schematic diagram of the connecting pipeline of the main body of the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of the connecting pipe of the main body of the utility model.

Fig. 3 is a schematic diagram of the structure of the elastic ring in the utility model.

Fig. 4 is a schematic diagram of the structure of the connection device between the external pipe and the oil pipeline of the diesel engine of the present invention.

Fig. 5 is a schematic cross-sectional structure diagram of the connection device between the external pipe and the oil pipeline of the diesel engine of the present invention.

In the figure: 1, main body connecting pipe, 2, elastic ring, 3, nut, 4, external pipe, 11, external thread, 12, circumferential groove.

detailed description

The following drawings and specific embodiments illustrate the utility model

As shown in Figure 4 and Figure 5, a diesel engine oil pipeline connection device, the pipeline connection device has a main body connecting pipe 1 for connecting two external pipes 4 into one; with reference to Figure 1 and Figure 2, the The main body connection pipe 1 is a hollow cylinder; the outer diameter of the main body connection pipe 1 is smaller than the inner diameter of the external pipe 4; the middle part of the outer surface of the main body connection pipe 1 has an external thread 11; There are circumferential grooves 12 at both ends of the surface, and the circumferential grooves 12 are wedge-shaped with a certain angle inclined from the two ends of the main body connecting pipe 1 to the middle, so that the two ends of the main body connecting pipe 1 form a direction from the center of the main body connecting pipe 1 to the middle. A frustum with gradually expanding diameter at both ends; an elastic ring 2 sleeved on the connecting pipe of the main body is arranged in the circumferential groove 12, and the elastic ring 2 slides along the centerline of the main body in the circumferential groove ; In conjunction with Fig. 3, the elastic ring 2 is a split ring; the outer diameter of the elastic ring 2 is less than the inner diameter of the outer diameter pipeline; the external thread 11 of the main body connection pipeline is provided with a nut 3 threaded with it, so There are two nuts 3; the elastic ring 2 will expand between the external pipe 4 and the wedge-shaped body of the circumferential groove 12 of the main connecting pipe 1 when the external pipe 4 is butt-drawn, so that the external pipe 4 The pipe 4 is closely connected with the connecting pipe 1 of the main body, and then the nut 3 is tightened so as to make the nut 3 and the port surface of the external pipe 4 closely fit, and the ring 2 will be more inflated at this time.

When connecting the external pipe and the oil pipeline connection device, when the external pipe 4 is inserted into the portable pipe connection device, the elastic ring 2 will slide to the depth of the circumferential groove 12, and the external pipe 4 can extend into the oil pipeline connection device The main body connecting pipe 1 has an appropriate distance. After extending into the appropriate distance, pull the external pipe 4 to the port of the main body connecting pipe 1, and the elastic ring 2 will slide outward along the circumferential groove 12. During the sliding process, due to the elastic ring The upper port expands, and then the external pipe 4 is tightly connected with the main body connecting pipe 1. At this time, the nut 3 and the outer wall thread 11 of the main body connecting pipe 1 are tightened by a wrench, so that the nut 3 is close to the port surface of the external pipe 4. This will make the connection between the external pipe 4 and the main connecting pipe 1 more tightly.

Claims (1)

1. A diesel engine oil pipe connection device, characterized in that: the pipe connection device has a main body connection pipe (1) for connecting two external pipes (4) into one; the main body connection pipe ( 1) It is a cylinder with a hollow structure; the outer diameter of the main body connecting pipe (1) is smaller than the inner diameter of the external pipe (4); the middle part of the outer circular surface of the main body connecting pipe (1) has an external thread (11); the main body There are circumferential grooves (12) at both ends of the outer circular surface of the connecting pipe, and the circumferential grooves (12) are wedge-shaped in which the two ends of the main connecting pipe (1) are inclined to the middle at a certain angle, so that the main connecting pipe (1) The two ends of the body form a truncated cone whose diameter gradually expands from the center of the main body connecting pipe (1) to both ends; the circumferential groove (12) is provided with an elastic ring (2) sleeved on the main body connecting pipe, And the elastic ring (2) slides in the circumferential groove along the direction of the centerline of the connecting pipe of the main body; the elastic ring (2) is a split ring; the outer diameter of the elastic ring (2) is smaller than the outer diameter The inner diameter of the pipe; the outer thread (11) of the main body connected to the pipe is provided with a nut (3) threaded with it, and the number of nuts (3) is two; the elastic ring (2) is connected to the pipe (4) ) during butt-drawing, expand and tighten between the external pipe (4) and the wedge-shaped body of the circumferential groove (12) of the main connecting pipe (1), so that the external pipe (4) and the main connecting pipe (1) are tightly connected as It is integrated, and the nut that is threaded with the connecting pipe of the main body fits tightly with the port surface of the external pipe.