[go: up one dir, main page]

CN221482962U - Oil pipe buckling joint device - Google Patents

Oil pipe buckling joint device Download PDF

Info

Publication number
CN221482962U
CN221482962U CN202323622803.4U CN202323622803U CN221482962U CN 221482962 U CN221482962 U CN 221482962U CN 202323622803 U CN202323622803 U CN 202323622803U CN 221482962 U CN221482962 U CN 221482962U
Authority
CN
China
Prior art keywords
oil pipe
wall
sleeve
pipe joint
thread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202323622803.4U
Other languages
Chinese (zh)
Inventor
何海潮
时玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Jinwei Guosheng Pipeline Equipment Co ltd
Original Assignee
Changzhou Jinwei Guosheng Pipeline Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Jinwei Guosheng Pipeline Equipment Co ltd filed Critical Changzhou Jinwei Guosheng Pipeline Equipment Co ltd
Priority to CN202323622803.4U priority Critical patent/CN221482962U/en
Application granted granted Critical
Publication of CN221482962U publication Critical patent/CN221482962U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Abstract

The utility model belongs to the technical field of oil pipe buckling joint devices, and particularly relates to an oil pipe buckling joint device which comprises an oil pipe joint, wherein an external thread sleeve is fixedly connected to the circumferential outer wall of the oil pipe joint, a mounting sleeve is connected to the circumferential outer wall of the external thread sleeve in a threaded manner, an inner cavity is formed in the inner wall of the mounting sleeve, a first thread tooth is formed in the outer wall of one end of the oil pipe joint, the first thread tooth is located in the inner cavity, an extension sleeve is fixedly connected to the end part of the mounting sleeve, and a hexagonal sleeve is fixedly connected to the circumferential outer wall of the extension sleeve. Through using spanner card on the hexagonal cover, drive the installation cover through rotating the hexagonal cover and follow external screw thread cover screw thread precession, extrude oil pipe outer wall through the first ring channel and the inner chamber inner wall of installation cover inner to can make oil pipe can fully contact with the first screw thread tooth on the oil pipe joint, avoid oil pipe in follow-up use, because of the thermal expansion lead to appear not hard up with being connected between the oil pipe joint, thereby improve oil pipe's leakproofness.

Description

Oil pipe buckling joint device
Technical Field
The utility model relates to the technical field of oil pipe buckling joint devices, in particular to an oil pipe buckling joint device.
Background
The high-pressure oil pipe is a component part of a high-pressure oil way, the oil pipe is required to bear certain oil pressure and has certain fatigue strength, the sealing requirement of the pipeline is ensured, the high-pressure oil pipe for the vehicle is mainly arranged in a high-pressure injection diesel engine and a high-pressure injection direct injection gasoline engine, the high-pressure oil pipe can bear the oil pressure required in the running process of the engine, and the oil pipe joint is a structure of connecting the end parts of the high-pressure oil pipe with pipelines of equipment.
In the prior art, as specifically disclosed in the document with publication number CN219809586U, the device in the document is screwed with the mounting portion by providing the connecting portion with external threads, so as to facilitate the disassembly and replacement of the connecting portion, but the structure of the screwed connection is poor in tightness, and when the device is used in an oil path, the phenomenon of oil leakage easily occurs, therefore, we propose an oil pipe buckling connector device.
Disclosure of utility model
The utility model provides an oil pipe buckling joint device, which can avoid looseness of connection between the oil pipe and an oil pipe joint caused by thermal expansion in the subsequent use process of the oil pipe and improve the tightness of the oil pipe.
The utility model provides an oil pipe buckling joint device which comprises an oil pipe joint, wherein an external thread sleeve is fixedly connected to the circumferential outer wall of the oil pipe joint, a mounting sleeve is connected to the circumferential outer wall of the external thread sleeve in a threaded manner, an inner cavity is formed in the inner wall of the mounting sleeve, a first thread tooth is formed in the outer wall of one end of the oil pipe joint, the first thread tooth is located in the inner cavity, an extension sleeve is fixedly connected to the end part of the mounting sleeve, and a hexagonal sleeve is fixedly connected to the circumferential outer wall of the extension sleeve.
Preferably, a first annular groove is formed in the end face of the mounting sleeve, the first annular groove is in a horn shape, and the first annular groove is connected with the inner cavity.
Preferably, the end surfaces of two sides of the external thread sleeve are fixedly connected with embedded grooves, the two embedded grooves are of annular structures, and sealing rings are embedded in the inner walls of the embedded grooves.
Preferably, the inner wall of the extension sleeve is fixedly connected with a compression ring, the compression ring is sleeved on the oil pipe joint and is in sliding connection with the oil pipe joint, a compression groove is formed in the inner end of the compression ring, and the inner wall of the compression groove is in extrusion contact with the sealing ring.
Preferably, the device further comprises a docking ring, a docking groove is formed in the outer wall of the docking ring, the outer end of a docking groove mounting sleeve is spliced, a thread groove is formed in the outer wall of the end part of the mounting sleeve, an inner thread sleeve is rotationally connected to the circumferential outer wall of the docking ring, a second thread is formed in the inner wall of the inner thread sleeve, and the second thread is in threaded connection with the thread groove.
Preferably, the circumference outer wall of the oil pipe joint is fixedly connected with a baffle ring, and the diameter of the baffle ring is smaller than the inner diameter of the extension sleeve.
Preferably, the outer wall of the other end of the oil pipe joint is provided with a plurality of second annular grooves distributed in a ladder shape, the cross section of each second annular groove is in a ladder shape, and the cambered surface of the outer wall of the other end of the oil pipe joint is formed.
The beneficial effects of the utility model are as follows:
1. through using spanner card on the hexagonal cover, drive the installation cover through rotating the hexagonal cover and follow external screw thread cover screw thread precession, extrude oil pipe outer wall through the first ring channel and the inner chamber inner wall of installation cover inner to can make oil pipe can fully contact with the first screw thread tooth on the oil pipe joint, avoid oil pipe in follow-up use, because of the thermal expansion lead to appear not hard up with being connected between the oil pipe joint, thereby improve oil pipe's leakproofness.
2. Through with the docking collar cover on the oil pipe link, through in having the one end precession oil pipe tip inner wall of first screw thread tooth with the oil pipe joint, be connected oil pipe joint and oil pipe through first screw thread tooth for oil pipe tip and external screw thread cover terminal surface extrusion contact, the sealing ring can seal the space between oil pipe and the oil pipe joint this moment, improves the leakproofness that oil pipe joint installed.
3. The installation cover can drive the clamping ring and carry out along oil pipe joint outer wall slip at the removal in-process, can extrude the sealing ring through the indent of clamping ring terminal surface to improve the leakproofness between oil pipe joint and the oil pipe.
4. Through rotating the internal thread cover for the second thread tooth of internal thread cover inner and the thread groove threaded connection of installation cover outer end can drive the docking collar and remove when the internal thread cover removes, make the thinner one end of docking collar inject the first ring channel of installation cover inner inside, can be connected docking collar and installation cover, thereby avoid the installation cover pointed end to cause the fish tail to the oil pipe outer wall because of the bending when using.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic view of a partial structure of an external thread bushing according to the present utility model;
FIG. 4 is a schematic view of the installation structure of the female screw sleeve of the present utility model;
FIG. 5 is a schematic view of the mounting structure of the press ring of the present utility model.
In the figure: 1. an oil pipe joint; 2. a first thread; 3. an external thread sleeve; 4. an embedded groove; 5. a seal ring; 6. a mounting sleeve; 7. an extension sleeve; 8. a hexagonal sleeve; 9. a compression ring; 10. pressing a groove; 11. a thread groove; 12. an inner cavity; 13. a first annular groove; 14. a docking collar; 15. a butt joint groove; 16. an internal thread sleeve; 17. a second thread; 18. a baffle ring; 19. a second annular groove; 20. a cambered surface.
Detailed Description
All other embodiments, which may be made by one of ordinary skill in the art without undue effort based on embodiments of the present utility model, are intended to be within the scope of the present utility model, wherein the terms "fixedly coupled," "fixedly coupled," and the like are to be construed broadly, and may be either fixedly coupled, detachably coupled, or integrally formed, unless otherwise specifically indicated and defined herein; can be mechanically or electrically connected; may be directly connected. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, fig. 2 and fig. 5, an oil pipe withholding joint device comprises an oil pipe joint 1, wherein an external thread sleeve 3 is fixedly connected to the circumferential outer wall of the oil pipe joint 1, an installation sleeve 6 is connected to the circumferential outer wall of the external thread sleeve 3 in a threaded manner, an inner cavity 12 is formed in the inner wall of the installation sleeve 6, a first thread 2 is formed in the outer wall of one end of the oil pipe joint 1, the first thread 2 is located inside the inner cavity 12, an extension sleeve 7 is fixedly connected to the end part of the installation sleeve 6, and a hexagonal sleeve 8 is fixedly connected to the circumferential outer wall of the extension sleeve 7.
As shown in fig. 5, the end surface of the mounting sleeve 6 is provided with a first annular groove 13, the first annular groove 13 is in a horn shape, and the first annular groove 13 is connected with the inner cavity 12.
As shown in fig. 2 and 3, the end surfaces of two sides of the external thread sleeve 3 are fixedly connected with embedded grooves 4, the two embedded grooves 4 are of annular structures, and sealing rings 5 are embedded in the inner walls of the two embedded grooves 4.
As shown in fig. 2 and 5, the inner wall of the extension sleeve 7 is fixedly connected with a pressing ring 9, the pressing ring 9 is sleeved on the oil pipe joint 1 and is in sliding connection with the oil pipe joint, a pressing groove 10 is formed in the inner end of the pressing ring 9, and the inner wall of the pressing groove 10 is in extrusion contact with the sealing ring 5.
As shown in fig. 2 and 4, the device further comprises a docking ring 14, a docking groove 15 is formed in the outer wall of the docking ring 14, the outer end of a mounting sleeve 6 of the docking groove 15 is inserted, a thread groove 11 is formed in the outer wall of the end part of the mounting sleeve 6, an inner thread sleeve 16 is rotatably connected to the circumferential outer wall of the docking ring 14, a second thread tooth 17 is formed in the inner wall of the inner thread sleeve 16, and the second thread tooth 17 is in threaded connection with the thread groove 11.
As shown in fig. 1-2, the outer wall of the circumference of the oil pipe joint 1 is fixedly connected with a baffle ring 18, and the diameter of the baffle ring 18 is smaller than the inner diameter of the extension sleeve 7.
As shown in fig. 2, the outer wall of the other end of the oil pipe joint 1 is provided with a plurality of second annular grooves 19 distributed in a ladder shape, the cross section of each second annular groove 19 is in a ladder shape, and the cambered surface 20 of the outer wall of the other end of the oil pipe joint 1.
Working principle: the butt joint ring 14 is sleeved on the oil pipe connecting end, one end of the oil pipe joint 1 with the first thread 2 is screwed into the inner wall of the end part of the oil pipe, the oil pipe joint 1 is connected with the oil pipe through the first thread 2, the end part of the oil pipe is in extrusion contact with the end surface of the external thread sleeve 3, at the moment, the sealing ring 5 can seal the space between the oil pipe and the oil pipe joint 1, and the installation tightness of the oil pipe joint 1 is improved;
The wrench is clamped on the hexagonal sleeve 8, the installation sleeve 6 is driven to screw along the external thread sleeve 3 by rotating the hexagonal sleeve 8, the outer wall of the oil pipe is extruded by the first annular groove 13 at the inner end of the installation sleeve 6 and the inner wall of the inner cavity 12, so that the oil pipe can be fully contacted with the first thread tooth 2 on the oil pipe joint 1, the connection between the oil pipe and the oil pipe joint 1 caused by thermal expansion in the subsequent use process is avoided, the tightness of the oil pipe is further improved,
In the moving process of the mounting sleeve 6, the pressing ring 9 is driven to slide along the outer wall of the oil pipe joint 1, and the sealing ring 5 can be extruded through the pressing groove 10 on the end surface of the pressing ring 9, so that the tightness between the oil pipe joint 1 and an oil pipe is improved;
through rotating the internal thread cover 16 for the second thread tooth 17 of internal thread cover 16 inner and the thread groove 11 threaded connection of installation cover 6 outer end can drive docking collar 14 and remove when internal thread cover 16 removes, make the thinner one end of docking collar 14 inject the inside of the first ring channel 13 of installation cover 6 inner, can be connected docking collar 14 and installation cover 6, thereby avoid the installation cover 6 pointed end to cause the fish tail to the oil pipe outer wall because of the bending when using.
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 (7)

1. The utility model provides an oil pipe withholds piecing devices, includes oil pipe joint (1), its characterized in that: the oil pipe joint is characterized in that the outer wall of the circumference of the oil pipe joint (1) is fixedly connected with an outer thread sleeve (3), the outer thread sleeve (3) is connected with an installation sleeve (6) in a threaded manner, an inner cavity (12) is formed in the inner wall of the installation sleeve (6), a first thread tooth (2) is formed in the outer wall of one end of the oil pipe joint (1), the first thread tooth (2) is located inside the inner cavity (12), the end part of the installation sleeve (6) is fixedly connected with an extension sleeve (7), and the outer wall of the circumference of the extension sleeve (7) is fixedly connected with a hexagonal sleeve (8).
2. The tubing swage fitting of claim 1, wherein: the end face of the mounting sleeve (6) is provided with a first annular groove (13), the first annular groove (13) is in a horn shape, and the first annular groove (13) is connected with the inner cavity (12).
3. The tubing swage fitting of claim 1, wherein: the end faces of two sides of the external thread sleeve (3) are fixedly connected with embedded grooves (4), the two embedded grooves (4) are of annular structures, and sealing rings (5) are embedded in the inner walls of the embedded grooves (4).
4. The tubing swage fitting of claim 1, wherein: the oil pipe joint is characterized in that a compression ring (9) is fixedly connected to the inner wall of the extension sleeve (7), the compression ring (9) is sleeved on the oil pipe joint (1) and is in sliding connection with the oil pipe joint, a compression groove (10) is formed in the inner end of the compression ring (9), and the inner wall of the compression groove (10) is in extrusion contact with the sealing ring (5).
5. The tubing swage fitting of claim 1, wherein: still including docking collar (14), docking groove (15) have been seted up to docking collar (14) outer wall, docking groove (15) installation cover (6) outer end grafting, thread groove (11) have been seted up to installation cover (6) tip outer wall, docking collar (14) circumference outer wall rotation is connected with internal thread cover (16), second screw thread tooth (17) have been seted up to internal thread cover (16) inner wall, second screw thread tooth (17) and thread groove (11) threaded connection.
6. The tubing swage fitting of claim 1, wherein: the circumference outer wall of the oil pipe joint (1) is fixedly connected with a baffle ring (18), and the diameter of the baffle ring (18) is smaller than the inner diameter of the extension sleeve (7).
7. The tubing swage fitting of claim 1, wherein: the outer wall of the other end of the oil pipe joint (1) is provided with a plurality of second annular grooves (19) which are distributed in a ladder shape, the cross section of each second annular groove (19) is in a ladder shape, and the cambered surface (20) of the outer wall of the other end of the oil pipe joint (1).
CN202323622803.4U 2023-12-29 2023-12-29 Oil pipe buckling joint device Active CN221482962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323622803.4U CN221482962U (en) 2023-12-29 2023-12-29 Oil pipe buckling joint device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323622803.4U CN221482962U (en) 2023-12-29 2023-12-29 Oil pipe buckling joint device

Publications (1)

Publication Number Publication Date
CN221482962U true CN221482962U (en) 2024-08-06

Family

ID=92358745

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323622803.4U Active CN221482962U (en) 2023-12-29 2023-12-29 Oil pipe buckling joint device

Country Status (1)

Country Link
CN (1) CN221482962U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119373961A (en) * 2024-12-31 2025-01-28 瑞安市高达车辆部件有限公司 A high-sealing combined oil pipe joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119373961A (en) * 2024-12-31 2025-01-28 瑞安市高达车辆部件有限公司 A high-sealing combined oil pipe joint

Similar Documents

Publication Publication Date Title
CN112066103B (en) Axial extrusion type connecting pipe joint assembly and pipe joint formed by same
CN221482962U (en) Oil pipe buckling joint device
CN210510696U (en) PE water supply pipeline loose joint pipe fitting
AU4245697A (en) Flow line coupling
CN201575258U (en) Low-voltage pipeline quick joint
CN212509888U (en) Taper sleeve locking type pipe fitting
CN201246554Y (en) Corrugated tube joint
CN204986094U (en) Long -life high pressure fuel pipe sealing joint
CN214197646U (en) High-pressure joint for fuel cell automobile
CN206468939U (en) The Hermetical connecting structure of thin walled hard metal circular tube
CN2918945Y (en) Pipe joint
CN2450492Y (en) Internal thread locking connector
CN210714506U (en) Casing gas sealing threaded joint for shale gas well
CN217843024U (en) High-pressure oil pipe joint assembly
CN211289521U (en) Test Gas Fitting Assembly for Vacuum Oilers
CN209839429U (en) Novel high-pressure rubber pipe structure
CN206386191U (en) The fast connection interface of motor vehicle fuel pipe
CN2388458Y (en) Clamping type pipe joint
CN215488153U (en) Leak-proof sealing pipe joint for hydraulic system
CN222650772U (en) A high connection strength direct-connection threaded insulated oil pipe
CN221348272U (en) Building heating and ventilation pipeline connection structure
CN219140089U (en) Pipe joint piece of high-pressure oil pipe with disassembling and assembling functions
CN218914039U (en) Low-pressure fluid conveying pipe connecting piece
CN213954651U (en) Crimping formula connecting piece
CN218509432U (en) Variable-taper thread gluing prevention and high-pressure resistance special threaded connector

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant