CN219140089U

CN219140089U - Pipe joint piece of high-pressure oil pipe with disassembling and assembling functions

Info

Publication number: CN219140089U
Application number: CN202223004829.8U
Authority: CN
Inventors: 李涛; 张欣; 邹建海
Original assignee: Nanjing Haiwang Auto Parts Co ltd
Current assignee: Nanjing Haiwang Auto Parts Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-06-06
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a pipe joint part of a high-pressure oil pipe with a disassembly and assembly function, which comprises a bearing part, a high-pressure transportation oil pipe and a pipe joint part body, wherein an oil outlet is formed in the top of the bearing part, the outer side wall of the pipe joint part body is in threaded connection with the inner side wall of the oil outlet, the outer side wall of the pipe joint part body is fixedly connected with a fixing ring, a sealing device is arranged between the fixing ring and the bearing part, and limiting grooves are formed in the high-pressure transportation oil pipe and the inner side wall of the pipe joint part body. According to the utility model, under the interaction of the bearing piece, the high-pressure transportation oil pipe, the pipe connector body, the oil outlet, the fixing ring, the limiting groove, the sealing device and the fixing device, the bearing piece and the pipe connector body are connected by the sealing device, and then the pipe connector body and the high-pressure transportation oil pipe are connected by the fixing device, so that the sealing property of the pipe connector body is ensured by the sealing device and the fixing device, meanwhile, the pipe connector body is easy to mount and dismount, and the practicability of the device is improved.

Description

Pipe joint piece of high-pressure oil pipe with disassembling and assembling functions

Technical Field

The utility model relates to the technical field of pipe connectors, in particular to a pipe connector of a high-pressure oil pipe with a disassembly and assembly function.

Background

The high-pressure oil pipe is an important component of a high-pressure oil circuit of a machine tool, and the oil body in the pipe is transported to each part in the oil circuit through the high-pressure oil pipe, so that the high-pressure oil pipe has the characteristics of high pressure resistance, corrosion resistance and the like.

When in actual use, when the distance between the component and the high-pressure oil way is too far, in order to ensure that the high-pressure oil pipe can complete oil way transportation, a plurality of high-pressure oil pipes are spliced by using pipe connectors, so that the length of the high-pressure oil pipe can connect the component with the oil way.

The current pipe joint is connected in a threaded mode, a tiny gap can exist at the threaded connection position, oil in a pipeline can slowly permeate outwards along the gap in the long-term use process, and when the lubricating oil is attached to the outside of the pipe joint, a technician can be caused to rotate the pipe joint difficultly, and the pipe joint is difficult to disassemble and maintain.

Disclosure of Invention

The utility model aims to solve the problem that the existing pipe joint is difficult to disassemble due to the fact that an oil body easily leaks to the outside of the pipe joint, and provides the pipe joint of the high-pressure oil pipe with the disassembling and assembling functions.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high-pressure oil pipe's pipe connector with dismouting function, includes carrier, high-pressure transportation oil pipe and pipe connector body, the oil outlet has been seted up at carrier top, pipe connector body lateral wall and oil outlet inside wall threaded connection, pipe connector body lateral wall fixedly connected with solid fixed ring, be equipped with sealing device between solid fixed ring and the carrier, the spacing groove has all been seted up to high-pressure transportation oil pipe and pipe connector body inside wall, two be equipped with in the spacing groove and let the fixed fixing device of high-pressure transportation oil pipe and pipe connector body, fixing device includes a sealing tube of sliding connection on two spacing groove inside walls, all fixed sleeve joint of high-pressure transportation oil pipe and pipe connector body lateral wall has the extrusion ring, sealing tube lateral wall fixedly connected with and the equal contact rubber sealing ring of two extrusion ring tip, high-pressure transportation oil pipe lateral wall slip cap is equipped with screw thread internal thread sleeve cap, screw thread internal thread sleeve cap inside wall and the extrusion ring lateral wall threaded connection who is located the below.

Preferably, the sealing device comprises a sealing ring groove formed in the inner side wall of the oil outlet, a double-ring sealing sleeve is sleeved on the outer side wall of the pipe connector body in a sliding mode, the double-ring sealing sleeve is arranged between the bearing piece and the fixing ring and is in sliding connection with the inner side wall of the sealing ring groove, and the fixing ring is connected with the bearing piece through a plurality of fixing bolts.

Preferably, a plurality of threaded holes are formed in the top of the bearing piece, the fixing bolt is coaxially connected with the inner side wall of the threaded holes in a threaded mode, and the fixing bolt penetrates through the top of the double-ring sealing sleeve and is provided with a through hole.

Preferably, the bearing member, the high-pressure transportation oil pipe, the pipe connector body and the double-ring sealing sleeve are coaxially arranged.

Preferably, the inner side wall of the threaded inner wire sleeve cap is in sliding connection with the outer side wall of the extrusion ring, and the inner diameter of the threaded inner wire sleeve cap of the sliding part of the high-pressure transportation oil pipe is smaller than the inner diameter of the threaded inner wire sleeve cap of the sliding other part of the extrusion ring.

The beneficial effects of the utility model are as follows:

under the interaction of the bearing piece, the high-pressure transportation oil pipe, the pipe joint body, the oil outlet, the fixing ring, the limiting groove, the sealing device and the fixing device, the bearing piece and the pipe joint body are connected through the sealing device, the pipe joint body and the high-pressure transportation oil pipe are connected through the fixing device, the sealing device and the fixing device ensure the tightness of the pipe joint body, meanwhile, the pipe joint body is also easy to install and detach, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic structural view of a pipe joint of a high-pressure oil pipe with a disassembly and assembly function according to the present utility model;

FIG. 2 is a side view of a seal cartridge in a pipe joint of a high pressure oil pipe with a disassembly and assembly function according to the present utility model;

fig. 3 is a schematic bottom view of a double-ring sealing sleeve in a pipe joint of a high-pressure oil pipe with a disassembly and assembly function.

In the figure: 1. a carrier; 2. high-pressure transportation oil pipe; 3. a pipe joint body; 4. an oil outlet hole; 5. a fixing ring; 6. a limit groove; 7. sealing ring grooves; 8. a double ring seal sleeve; 9. a fixing bolt; 10. a sealing cylinder; 11. a pressing ring; 12. a rubber seal ring; 13. a threaded inner thread cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a pipe joint of a high-pressure oil pipe with a disassembly and assembly function comprises a bearing piece 1, a high-pressure transportation oil pipe 2 and a pipe joint body 3, wherein an oil outlet 4 is formed in the top of the bearing piece 1, the outer side wall of the pipe joint body 3 is in threaded connection with the inner side wall of the oil outlet 4, a fixing ring 5 is fixedly connected with the outer side wall of the pipe joint body 3, a sealing device is arranged between the fixing ring 5 and the bearing piece 1 and comprises a sealing ring groove 7 formed in the inner side wall of the oil outlet 4, a double-ring sealing sleeve 8 is sleeved on the outer side wall of the pipe joint body 3 in a sliding manner, and the bearing piece 1, the high-pressure transportation oil pipe 2, the pipe joint body 3 and the double-ring sealing sleeve 8 are coaxially arranged;

the double-ring sealing sleeve 8 is arranged between the bearing piece 1 and the fixed ring 5 and is in sliding connection with the inner side wall of the sealing ring groove 7, the fixed ring 5 is connected with the bearing piece 1 through a plurality of fixed bolts 9, a plurality of threaded holes are formed in the top of the bearing piece 1, the coaxial fixed bolts 9 are in threaded connection with the inner side wall of the threaded holes, and the fixed bolts 9 penetrate through the top of the double-ring sealing sleeve 8 and are provided with through holes;

the positions of the double-ring sealing sleeves 8 are shown in fig. 1, the bottom schematic diagram of the double-ring sealing sleeves 8 is shown in fig. 3, and the double-ring sealing sleeves 8 have the functions of improving the tightness between the oil outlet 4 and the pipe connector body 3 and preventing oil seepage;

the high-pressure transportation oil pipe 2 and the inner side wall of the pipe joint body 3 are provided with limit grooves 6, the two limit grooves 6 are internally provided with fixing devices for fixing the high-pressure transportation oil pipe 2 and the pipe joint body 3, each fixing device comprises a sealing barrel 10 which is slidably connected to the inner side walls of the two limit grooves 6, the sealing barrels 10 are matched with the limit grooves 6, the outer side walls of the sealing barrels 10 are tightly attached to the limit grooves 6, and the inner diameter of the sealing barrels 10 is the same as that of the high-pressure transportation oil pipe 2 and the pipe joint body 3, so that high-pressure oil is convenient to move;

the high-pressure transportation oil pipe 2 and the outer side wall of the pipe joint body 3 are fixedly sleeved with extrusion rings 11, the outer side wall of the sealing cylinder 10 is fixedly connected with rubber sealing rings 12 which are contacted with the end parts of the two extrusion rings 11, the rubber sealing rings 12 are made of rubber, and the high-pressure transportation oil pipe 2 and the pipe joint body 3 can be slightly deformed when extruded by external force, so that the contact with the end parts of the high-pressure transportation oil pipe 2 and the pipe joint body 3 is increased, and the tightness of the device is improved;

the sliding sleeve of the outer side wall of the high-pressure transportation oil pipe 2 is provided with a threaded inner wire sleeve cap 13, the inner side wall of the threaded inner wire sleeve cap 13 is in threaded connection with the outer side wall of the extrusion ring 11 positioned below, the inner side wall of the threaded inner wire sleeve cap 13 is in sliding connection with the outer side wall of the extrusion ring 11, and the inner diameter of the threaded inner wire sleeve cap 13 of the sliding part of the high-pressure transportation oil pipe 2 is smaller than that of the threaded inner wire sleeve cap 13 of the other part sliding with the extrusion ring 11.

Working principle: when the high-pressure transportation oil pipe 2 and the oil outlet 4 on the bearing piece 1 are required to be connected, the specific steps are as follows: 1. firstly, installing a pipe joint body 3 into an oil inlet and outlet hole 4, placing a double-ring sealing sleeve 8 in a sealing ring groove 7, then inserting the pipe joint body 3 into the double-ring sealing sleeve 8, aligning the bottom of the pipe joint body 3 with the oil outlet hole 4, rotating the pipe joint body 3 to enable the pipe joint body 3 to be connected with the oil outlet hole 4 through threads, fixing the double-ring sealing sleeve 8 between a fixed ring 5 and a bearing piece 1 and in the sealing ring groove 7 in the process, and fixing the fixed ring 5, the bearing piece 1 and the double-ring sealing sleeve 8 by using a plurality of fixed bolts 9;

2. connecting the high-pressure transportation oil pipe 2 and the pipe connector body 3, sleeving the sealing cylinder 10 on the limit groove 6 of the pipe connector body 3, sleeving the limit groove 6 of the high-pressure transportation oil pipe 2 on the sealing cylinder 10 until two extrusion rings 11 and a rubber sealing ring 12 are contacted, sliding the threaded inner wire sleeve cap 13 and rotating the threaded inner wire sleeve cap downwards, and connecting the threaded inner wire sleeve cap 13 with the extrusion ring 11 below until the threaded inner wire sleeve cap 13 is screwed, thereby connecting the bearing piece 1, the high-pressure transportation oil pipe 2 and the pipe connector body 3.

When the device needs to be disassembled, the threaded inner screw cap 13 is reversely rotated, the sealing cylinder 10 is removed, the high-pressure transportation oil pipe 2 and the pipe joint body 3 can be separated, the fixing bolt 9 is reversely rotated, the pipe joint body 3 and the bearing piece 1 can be separated, and the disassembly work is completed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a high-pressure oil pipe's pipe connector with dismouting function, includes carrier (1), high-pressure transportation oil pipe (2) and pipe connector body (3), oil outlet (4) have been seted up at carrier (1) top, characterized in that, pipe connector body (3) lateral wall and oil outlet (4) inside wall threaded connection, pipe connector body (3) lateral wall fixedly connected with solid fixed ring (5), be equipped with sealing device between solid fixed ring (5) and carrier (1), limit slots (6) have all been seted up to high-pressure transportation oil pipe (2) and pipe connector body (3) inside wall, are equipped with in two limit slots (6) and let high-pressure transportation oil pipe (2) and pipe connector body (3) fixed fixing device, fixing device includes a seal cartridge (10) of sliding connection on two limit slots (6) inside wall, high-pressure transportation oil pipe (2) and pipe connector body (3) lateral wall all fixedly cup joint extrusion ring (11), seal cartridge (10) lateral wall fixedly connected with two extrusion rubber seal ring (12) tip (13) all are equipped with high-pressure transportation oil pipe (12), the inner side wall of the threaded inner wire sleeve cap (13) is in threaded connection with the outer side wall of the extrusion ring (11) positioned below.

2. The pipe joint of the high-pressure oil pipe with the disassembly and assembly functions according to claim 1, wherein the sealing device comprises a sealing ring groove (7) formed in the inner side wall of the oil outlet (4), a double-ring sealing sleeve (8) is sleeved on the outer side wall of the pipe joint body (3) in a sliding mode, the double-ring sealing sleeve (8) is arranged between the bearing piece (1) and the fixed ring (5) and is in sliding connection with the inner side wall of the sealing ring groove (7), and the fixed ring (5) is connected with the bearing piece (1) through a plurality of fixed bolts (9).

3. The pipe joint of the high-pressure oil pipe with the dismounting function according to claim 2, wherein a plurality of threaded holes are formed in the top of the bearing piece (1), the fixing bolt (9) is coaxially connected with the inner side wall of the threaded holes in a threaded mode, and the fixing bolt (9) penetrates through the top of the double-ring sealing sleeve (8) and is provided with a through hole.

4. A pipe joint for a high pressure oil pipe with a dismounting function according to claim 3, characterized in that the carrier (1), the high pressure transportation oil pipe (2), the pipe joint body (3) and the double ring sealing sleeve (8) are coaxially arranged.

5. The pipe joint with the disassembly and assembly function for the high-pressure oil pipe according to claim 4, wherein the inner side wall of the threaded inner wire sleeve cap (13) is slidably connected with the outer side wall of the extrusion ring (11), and the inner diameter of the threaded inner wire sleeve cap (13) at the sliding part of the high-pressure transportation oil pipe (2) is smaller than the inner diameter of the threaded inner wire sleeve cap (13) at the other sliding part of the extrusion ring (11).