CN216045940U

CN216045940U - Oil pipe connector

Info

Publication number: CN216045940U
Application number: CN202121413780.4U
Authority: CN
Inventors: 许海峰
Original assignee: Yixing Guteqi General Oil Pipe Co ltd
Current assignee: Yixing Guteqi General Oil Pipe Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-03-15
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to the technical field of oil pipe connection, in particular to an oil pipe connector, which comprises an oil pipe and a connector, wherein the connector comprises a first connector part, a connecting part and a second connector part which are integrally formed, the first connector part, the connecting part and the second connector part are coaxial, the second connector part comprises an inner pipe and an outer pipe which are coaxial, the second connector part is fixedly connected with the oil pipe, the second connector part comprises an inner pipe and an outer pipe which are coaxial, the oil pipe is in threaded connection with the inner pipe, the oil pipe is in transition fit with the outer pipe, sealant is filled between the outer wall of the oil pipe and the inner wall of the outer pipe, and the connecting part of the outer wall of the oil pipe and the inner wall of the outer pipe is locally melted into a whole in an argon arc welding mode. The utility model has the advantages that the tightness and the structural strength of the oil pipe and the connector are improved while the oil way conduction is ensured by combining the bolt connection and the welding.

Description

Oil pipe connector

Technical Field

The utility model relates to the technical field of oil pipe connection, in particular to a connector of an oil pipe.

Background

A diesel engine is an engine that burns diesel to obtain energy release, wherein an oil pipe is one of important components of the diesel engine, and the oil pipe is connected with other oil pipes or machine devices through connectors. In the oil circuit of a diesel engine, the pressure of oil is high, so that the connector of the oil pipe needs to meet the requirements of high structural strength, good sealing performance and the like.

At present, chinese patent that the grant bulletin number is CN207945403U discloses a connect connector of motor vehicle oil pipe, including end pipeline, kettle type head, liquid flow meter, reinforcing wedge type muscle, adjusting valve and flange, kettle type head top welded end pipeline, end pipeline top one side sets up adjusting valve, end pipeline bottom one side welding liquid flow meter, set up kettle type oil cushion chamber in the kettle type head, the inside stiffener of kettle type oil cushion intracavity welding kettle type head, inside stiffener bottom sets up the direction locating hole, set up impurity oil filter screen between the inside stiffener, kettle type head bottom welded connection flange, kettle type head internal surface sets up the anti-corrosion layer, the anti-corrosion layer surface sets up the wearing layer, set up high temperature resistant layer between anti-corrosion layer and the wearing layer.

The above prior art solutions have the following drawbacks: the connector structure is complicated, the application place is limited, and the compatibility is not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil pipe connector to solve the problems in the prior art.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides an oil pipe's connector, includes oil pipe and connector, its characterized in that: the connector includes integrated into one piece's first joint portion, connecting portion and second joint portion, first joint portion, connecting portion and second joint portion are coaxial, second joint portion with oil pipe fixed connection.

In a further embodiment, the second joint part comprises an inner pipe and an outer pipe which are coaxial, the inner diameter of the inner pipe is identical to the inner diameter of the connecting part, the outer diameter of the inner pipe is smaller than the outer diameter of the connecting part, the outer diameter of the outer pipe is identical to the outer diameter of the connecting part, the inner diameter of the outer pipe is larger than the inner diameter of the connecting part, and the outer diameter of the inner pipe is smaller than the inner diameter of the outer pipe.

In a further embodiment, the outer diameter of the oil pipe is consistent with the inner diameter of the outer pipe, the outer wall of the inner pipe is provided with external threads, the inner wall of the oil pipe is provided with internal threads corresponding to the external threads, and the oil pipe is in threaded connection with the inner pipe.

In a further embodiment, the oil pipe is in transition fit with the outer pipe, a sealant is filled between the outer wall of the oil pipe and the inner wall of the outer pipe, and the connecting part of the outer wall of the oil pipe and the inner wall of the outer pipe is locally melted to form a whole in an argon arc welding mode.

In a further embodiment, a fixed clamping block is arranged at one end, close to the first joint part, of the connecting part, the outer diameter of the fixed clamping block is smaller than that of the connecting part, a first groove is arranged between the fixed clamping block and the connecting part, and a sealing ring is arranged in the first groove.

In a further embodiment, an end of the first joint part, which is far away from the connecting part, is provided with a circular arc chamfer, and the outer wall of the first joint part is provided with a plurality of second grooves at uniform intervals.

In conclusion, the utility model has the following beneficial effects:

1. the outer diameter of the oil pipe is consistent with the inner diameter of the outer pipe, the outer wall of the inner pipe is provided with the external thread, the inner wall of the oil pipe is provided with the internal thread corresponding to the external thread, and the oil pipe is in threaded connection with the inner pipe, so that the effect that the connector is convenient to fix on the oil pipe and the structural strength of the connector is improved is achieved;

2. through oil pipe and outer tube transition fit, it has sealed glue to fill between the outer wall of oil pipe and the inner wall of outer tube, and the outer wall of oil pipe and the connection position of the inner wall of outer tube make it the local melting through argon arc welded mode and form integrative setting, can play the leakproofness and the structural strength's of reinforcing connector effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front view configuration of the present invention;

fig. 3 is a schematic half-section of the present invention.

In the figure, 1, oil pipe; 11. an internal thread; 12. an external thread; 2. a connector; 21. a first joint portion; 211. chamfering with an arc; 212. a second groove; 22. a connecting portion; 221. fixing the fixture block; 222. a first groove; 223. a seal ring; 23. a second joint portion; 231. an inner tube; 232. an outer tube.

Detailed Description

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

In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.

Example 1:

as shown in fig. 1-3, an oil pipe connector includes an oil pipe 1 and a connector 2, the connector 2 includes a first joint portion 21, a connecting portion 22 and a second joint portion 23 which are integrally formed, the first joint portion 21, the connecting portion 22 and the second joint portion 23 are coaxial, and the second joint portion 23 is fixedly connected with the oil pipe 1. The connector is used for connecting the oil pipe 1 with other hoses or devices.

The second joint portion 23 includes an inner pipe 231 and an outer pipe 232 which are coaxial, the inner pipe 231 is a passage pipe for transmitting diesel oil, and the outer pipe 232 is used for enhancing the structural strength and sealing performance of the joint 2 and the oil pipe 1. The inner diameter of the inner tube 231 is equal to the inner diameter of the connection portion 22, the outer diameter of the inner tube 231 is smaller than the outer diameter of the connection portion 22, the outer diameter of the outer tube 232 is equal to the outer diameter of the connection portion 22, the inner diameter of the outer tube 232 is larger than the inner diameter of the connection portion 22, and the outer diameter of the inner tube 231 is smaller than the inner diameter of the outer tube 232. The outer diameter of oil pipe 1 is unanimous with the internal diameter of outer tube 232, and inner tube 231 outer wall is provided with external screw thread 12, and the inner wall of oil pipe 1 is provided with the internal thread 11 that corresponds with external screw thread 12, and oil pipe 1 and inner tube 231 spiro union. Through the setting of spiro union, ensure that oil pipe 1 and inner tube 231 are connected unobstructed, diesel oil can be smoothly transported to the inside of connector 2 from oil pipe 1, and the installer preliminary installation and calibration of also being convenient for of spiro union.

Further, oil pipe 1 and outer tube 232 transition fit, it has sealed glue to fill between the outer wall of oil pipe 1 and the inner wall of outer tube 232, and the effect of sealed glue is the air of getting rid of between the outer wall of oil pipe 1 and the inner wall of outer tube 232, and sealed glue simultaneously has the stickness, and this helps the firm in connection of the outer wall of oil pipe 1 and the inner wall of outer tube 232. The connection part of the outer wall of the oil pipe 1 and the inner wall of the outer pipe 232 is locally melted into a whole in an argon arc welding mode, and a secondary sealing layer is formed after welding, so that external infiltration and internal seepage are avoided; the welded oil pipe 1 and the outer pipe 232 are integrated, and the structural strength of the joint of the oil pipe 1 and the connector 2 is enhanced again.

The end of the connector 2 not connected to the oil pipe 1 is used for connecting a hose or a device, therefore, a fixed block 221 is disposed at one end of the connecting portion 22 close to the first joint portion 21, the outer diameter of the fixed block 221 is smaller than that of the connecting portion 22, a first groove 222 is disposed between the fixed block 221 and the connecting portion 22, and a sealing ring 223 is disposed in the first groove 222. The fixed block 221 cooperates with the first groove 222 and the sealing ring 223 to secure the connection between the connector 2 and the hose or device. One end of the first joint part 21, which is far away from the connection part 22, is provided with an arc chamfer 211, the arc chamfer 211 facilitates the first joint part 21 to be connected into the hose, a plurality of second grooves 212 are arranged on the outer wall of the first joint part 21 at uniform intervals, and the second grooves 212 are used for increasing the friction force between the first joint part 21 and the hose and improving the sealing performance of the connection hose of the connector 2.

The specific implementation process comprises the following steps: this subassembly is before using, and operating personnel need be

earlier oil pipe

1 and 2 fixed connection of connector:

1. sealant is coated on the contact part of the outer wall of the oil pipe 1 and the outer pipe 232 and the inner wall of the outer pipe 232;

2. the oil pipe 1 is screwed on the inner pipe 231;

3. and performing argon arc welding on the connecting part of the outer wall of the oil pipe 1 and the inner wall of the outer pipe 232.

When the assembly is connected with a hose, a sealing sleeve is sleeved outside the hose, the hose is sleeved on the first joint part 21, the sealing sleeve is aligned to the fixed clamping block 221, and the sealing sleeve is completely sleeved on the first groove 222.

In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the disclosed embodiments of the utility model can be understood by those of ordinary skill in the art as appropriate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an oil pipe's connector, includes oil pipe (1) and connector (2), its characterized in that: connector (2) are including integrated into one piece's first joint portion (21), connecting portion (22) and second joint portion (23), first joint portion (21), connecting portion (22) and second joint portion (23) are coaxial, second joint portion (23) with oil pipe (1) fixed connection.

2. The oil pipe joint according to claim 1, wherein: the second joint part (23) comprises an inner pipe (231) and an outer pipe (232) which are coaxial, the inner diameter of the inner pipe (231) is consistent with the inner diameter of the connecting part (22), the outer diameter of the inner pipe (231) is smaller than the outer diameter of the connecting part (22), the outer diameter of the outer pipe (232) is consistent with the outer diameter of the connecting part (22), the inner diameter of the outer pipe (232) is larger than the inner diameter of the connecting part (22), and the outer diameter of the inner pipe (231) is smaller than the inner diameter of the outer pipe (232).

3. The oil pipe joint according to claim 2, wherein: the outer diameter of the oil pipe (1) is consistent with the inner diameter of the outer pipe (232), the outer wall of the inner pipe (231) is provided with an external thread (12), the inner wall of the oil pipe (1) is provided with an internal thread (11) corresponding to the external thread (12), and the oil pipe (1) is in threaded connection with the inner pipe (231).

4. The oil pipe joint according to claim 3, wherein: oil pipe (1) with outer tube (232) transition fit, the outer wall of oil pipe (1) with it has sealed glue to fill between the inner wall of outer tube (232), the outer wall of oil pipe (1) with the connection position of the inner wall of outer tube (232) makes it local melting to form an organic whole through argon arc welding's mode.

5. The oil pipe joint according to claim 1, wherein: one end, close to the first joint part (21), of the connecting part (22) is provided with a fixed clamping block (221), the outer diameter of the fixed clamping block (221) is smaller than that of the connecting part (22), a first groove (222) is formed in the middle of the fixed clamping block (221) and the connecting part (22), and a sealing ring (223) is arranged in the first groove (222).

6. The oil pipe joint according to claim 1, wherein: one end, far away from the connecting portion (22), of the first joint portion (21) is provided with an arc chamfer (211), and a plurality of second grooves (212) are formed in the outer wall of the first joint portion (21) at uniform intervals.