Hydraulic pipeline connector sealing device

The liquid pressure pipe connection device uses a fixed sleeve and wedge-shaped blocks to secure threaded connections, preventing loosening and improving sealing performance by using springs and wedges, thus enhancing the device's durability.

CN223105541UActive Publication Date: 2025-07-15SHAN DONG SAN WANG HYDRAULIC FLUID TECH CO LTD
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Patent Information

Application Number
CN202422236888.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-07-15
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

Hydraulic tube sealing joints are susceptible to shaking at threaded connections, resulting in loosening, affecting sealing performance, and may even lead to liquid leakage.

Method used

A hydraulic pipeline connecting head sealing device is adopted, including a connecting piece, a fixing cylinder, a wedge-shaped stopper and a spring structure. Through the cooperation of the wedge-shaped stopper and the spring, the threaded connection is prevented from loosening and the sealing performance is enhanced.

Benefits of technology

Effectively prevent threaded connections from loosening, improving the sealing performance and service life of hydraulic pipeline joints.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sealing joints, in particular to a sealing device for a hydraulic pipeline connector, which comprises a connecting piece and a sealing ring, a plurality of square grooves are formed in the outer wall of one side, springs are fixedly installed on the outer walls of one sides of the square grooves, and wedge-shaped check blocks are fixedly installed on the outer walls of one ends of the springs; a sealing ring is fixedly installed on the outer wall of one side of the connecting piece, a connected piece is fixedly installed on the outer wall of one side of the sealing ring, the outer circle surface of the connecting piece is in threaded connection with the connected piece, and the outer circle surfaces of the connecting piece and the connected piece are sleeved with a fixing cylinder. The hydraulic pipeline connector sealing device has the advantages that the connecting piece and the connected piece are connected through the fixing cylinder, the situation that threads in threaded connection of a hydraulic pipeline are loosened, and consequently the sealing performance of the hydraulic pipeline connector is affected is prevented, the connecting position is not prone to shaking through the mounting hole in the mounting plate, and the sealing performance of the hydraulic pipeline connector is improved. And the service life of the joint is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of sealing joints, in particular to a sealing device for a hydraulic pipeline connector. Background Technique

[0002] A hydraulic pipe is a pipe used to transmit hydraulic pressure, which is widely used in various fields of our lives. However, when connecting pipes, the pipe joint is an indispensable main component. It is a part that connects pipelines in a hydraulic system or installs pipelines on hydraulic components, playing an indispensable and important role in pipe fittings. Therefore, the hydraulic pipe sealing joint is particularly important.

[0003] However, the hydraulic pipe sealing joint is a pipe for transmitting hydraulic pressure. When it is working, the liquid medium will pass through the hydraulic pipe sealing joint at a relatively fast speed. Especially when the connecting pipes on both sides of the hydraulic pipe sealing joint are installed by means of thread clamping, the connection part is affected by shaking for a long time, which may lead to the loosening of the hydraulic pipe sealing joint, resulting in loose connection and affecting the sealing performance of the hydraulic pipe sealing joint. In severe cases, it will also cause the leakage of the transported liquid. To sum up, the existing hydraulic pipe sealing joints still have the following problems:

[0004] When the hydraulic pipe sealing joint transports the liquid medium, it is more likely to be affected by shaking, especially when the connecting pipes on both sides are installed by means of thread clamping, which may lead to the loosening of the hydraulic pipe sealing joint and affect the sealing performance of the hydraulic pipe sealing joint. Content of the Utility Model

[0005] The purpose of the utility model is to provide a sealing device for a hydraulic pipeline connector to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: A sealing device for a hydraulic pipeline connector, the hydraulic pipeline connector sealing device includes:

[0007] A connecting piece; a plurality of square grooves are opened on one outer wall, springs are fixedly installed on the outer walls of one sides of the square grooves, and wedge-shaped stoppers are fixedly installed on the outer walls of one ends of the springs;

[0008] A sealing ring is fixedly installed on one outer wall of the connecting piece, a connected piece is fixedly installed on one outer wall of the sealing ring, the outer surface of the connecting piece is threadedly connected to the connected piece, and a fixing cylinder is sleeved on the outer surfaces of the connecting piece and the connected piece.

[0009] Preferably, convex blocks are fixedly installed on the outer walls of both sides of the square groove, a wedge-shaped stopper is movably installed on one outer wall of the square groove, and the wedge-shaped stopper is trapezoidal.

[0010] Preferably, the fixing cylinder sleeves the connecting piece and the connected piece through the wedge-shaped stopper.

[0011] Preferably, a left mounting seat and a right mounting seat are fixedly installed on the outer circumferential surface of the fixed cylinder.

[0012] Preferably, the outer side walls of both sides of the left mounting seat and the right mounting seat are fixedly connected by a plurality of screws and nuts.

[0013] Preferably, a mounting plate is fixedly installed on the outer side wall of one side of the left mounting seat, a mounting plate is fixedly installed on the outer side wall of one side of the right mounting seat, and a plurality of mounting holes are formed in the outer side wall of each mounting plate.

[0014] Preferably, an external thread is formed on the outer circumferential surface of the connecting member, and an internal thread is formed on the outer circumferential surface of the connected member.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] A hydraulic pipeline connector sealing device proposed by the present utility model connects the connecting member and the connected member through the fixed cylinder, preventing the loosening of the threads of the threaded connection of the hydraulic pipeline, thereby affecting the sealing performance of the hydraulic pipeline connector. The connection part is not easy to shake through the mounting holes on the mounting plate, so that the service life of the connector is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic cross-sectional structure diagram of the whole side of the present utility model;

[0019] Figure 3 is of the present utility model Figure 2 the enlarged structure diagram of area A in;

[0020] Figure 4 is a schematic exploded structure diagram of the side of the present utility model;

[0021] Figure 5 is a schematic cross-sectional structure diagram of the whole side of the present utility model.

[0022] In the figure: 1, connecting member; 2, fixed cylinder; 3, right mounting seat; 4, screw; 5, left mounting seat; 6, mounting hole; 7, nut; 8, connected member; 9, mounting plate; 10, sealing ring; 11, thread; 12, wedge-shaped block; 15, spring; 16, convex block; 17, square groove. DETAILED DESCRIPTION OF THE INVENTION

[0023] In order to clearly and completely describe the purpose and technical solutions of the present utility model, and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0024] Please refer to Figures 1 to 5 , the present utility model provides a technical solution: a sealing device for a hydraulic pipeline connector. The sealing device for a hydraulic pipeline connector includes:

[0025] A connecting member 1; a plurality of square grooves 17 are provided on one outer wall. Three square grooves 17 are evenly distributed on the outer circumferential surface of the connecting member 1. A spring 15 is fixedly installed on one outer wall of each square groove 17. The installation of the fixing cylinder 2 is realized by the compression of the spring 15. A wedge-shaped stop block 12 is fixedly installed on one outer wall of each end of the spring 15. The wedge-shaped stop block 12 is used to fix the fixing cylinder 2. Put on the fixing cylinder 2. The fixing cylinder 2 passes through the wedge-shaped stop block 12 on the connecting member 1, and the fixing cylinder 2 is fixed on one outer wall of the wedge-shaped stop block 12. When the fixing cylinder 2 passes above the wedge-shaped stop block 12, at this time, the installation of the fixing cylinder 2 is realized by the compression of the spring 15. After the fixing cylinder 2 passes through the wedge-shaped stop block 12, the wedge-shaped stop block 12 is bounced up by the stretching of the spring 15 to realize the fixed installation of the fixing cylinder 2;

[0026] A sealing ring 10 is fixedly installed on one outer wall of the connecting member 1. The sealing ring 10 strengthens the seal between the connecting member 1 and the connected member 8. A connected member 8 is fixedly installed on one outer wall of the sealing ring 10. The outer circumferential surface of the connecting member 1 is fixedly connected to the connected member 8. The connecting member 1 and the connected member 8 are connected by a thread 11. A fixing cylinder 2 is sleeved on the outer circumferential surfaces of the connecting member 1 and the connected member 8. The connecting member 1 connects the connected member 8 through the thread 11. At this time, the other end of the fixing cylinder 2 passes through the wedge-shaped stop block 12 on the connected member 8, and the fixing cylinder 2 is fixed on one outer wall of the wedge-shaped stop block 12, preventing the loosening of the thread 11.

[0027] Protrusions 16 are fixedly installed on both outer walls of the square groove 17. The protrusions 16 are used to prevent the wedge-shaped stop block 12 from being ejected by the spring 15. A wedge-shaped stop block 12 is movably installed on one outer wall of the square groove 17. The wedge-shaped stop block 12 moves in the square groove 17 to realize the installation and fixation of the fixing cylinder 2. The wedge-shaped stop block 12 is trapezoidal for better installation of the fixing cylinder 2. One outer wall of the fixing cylinder 2 sleeved with the connecting member 1 and the connected member 8 through the wedge-shaped stop block 12.

[0028] The outer circumferential surface of the fixed cylinder 2 is fixedly installed with a left mounting seat 5 and a right mounting seat 3. The left mounting seat 5 and the right mounting seat 3 are installed on the outer circumferential surface of the fixed cylinder 2 by bolts. The left mounting seat 5 and the right mounting seat 3 are sleeved on the outer circumferential surface of the fixed cylinder 2, and are fixed on the fixed cylinder 2 by bolts.

[0029] The outer side walls of both sides of the left mounting seat 5 and the right mounting seat 3 are fixedly connected by a plurality of screws 4 and nuts 7, and are fixedly connected by six bolts. An installation plate 9 is fixedly installed on the outer side wall of one side of the left mounting seat 5, and an installation plate 9 is fixedly installed on the outer side wall of one side of the right mounting seat 3. A plurality of installation holes 6 are formed in the outer side wall of the installation plate 9. External threads 11 are formed on the outer circumferential surface of the connecting member 1, and internal threads 11 are formed on the outer circumferential surface of the connected member 8. The threads 11 fix the connecting member 1 and the connected member 8.

[0030] When the device works, first, the sealing ring 10 is placed on the outer side wall of one side of the connecting member 1, and then the fixed cylinder 2 is sleeved. The fixed cylinder 2 passes through the wedge-shaped block 12 on the connecting member 1, and the fixed cylinder 2 is fixed on the outer side wall of one side of the wedge-shaped block 12. Then, the connecting member 1 is connected to the connected member 8 through the threads 11. At this time, the other end of the fixed cylinder 2 passes through the wedge-shaped block 12 on the connected member 8, and the fixed cylinder 2 is fixed on the outer side wall of one side of the wedge-shaped block 12. Then, the left mounting seat 5 and the right mounting seat 3 are sleeved on the outer circumferential surface of the fixed cylinder 2. Then, the left mounting seat 5 and the right mounting seat 3 are connected by six bolts. Finally, the installation plate 9 is attached to the fixed surface and fixed by screws 4 through the installation holes 6 to prevent the joint from shaking and the threads 11 from loosening.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing device for a hydraulic pipeline connector, characterized in that: The hydraulic pipeline connector sealing device includes: A connecting piece (1); a plurality of square grooves (17) are provided on the outer wall of one side, springs (15) are fixedly installed on the outer walls of one sides of the square grooves (17), and wedge-shaped stoppers (12) are fixedly installed on the outer walls of one ends of the springs (15); A sealing ring (10) is fixedly installed on the outer wall of one side of the connecting piece (1), a connected piece (8) is fixedly installed on the outer wall of one side of the sealing ring (10), the outer circumferential surface of the connecting piece (1) is fixedly connected to the connected piece (8), and a fixing cylinder (2) is sleeved on the outer circumferential surfaces of the connecting piece (1) and the connected piece (8).

2. The sealing device for a hydraulic pipeline connector according to claim 1, wherein: Protrusions (16) are fixedly installed on the outer walls of both sides of the square groove (17), a wedge-shaped stopper (12) is movably installed on the outer wall of one side of the square groove (17), and the wedge-shaped stopper (12) is trapezoidal.

3. A hydraulic pipeline connector sealing device according to claim 1, characterized in that: The fixing cylinder (2) sleeves the connecting piece (1) and the connected piece (8) through the wedge-shaped stopper (12) on one side outer wall.

4. A hydraulic pipeline connector sealing device according to claim 1, characterized in that: Left mounting seats (5) and right mounting seats (3) are fixedly installed on the outer circumferential surface of the fixing cylinder (2).

5. The sealing device for a hydraulic pipeline connector according to claim 4, wherein: The outer walls of both sides of the left mounting seat (5) and the right mounting seat (3) are fixedly connected by a plurality of screws (4) and nuts (7).

6. The sealing device for a hydraulic pipeline connector according to claim 5, wherein: A mounting plate (9) is fixedly installed on the outer wall of one side of the left mounting seat (5), a mounting plate (9) is fixedly installed on the outer wall of one side of the right mounting seat (3), and a plurality of mounting holes (6) are provided on the outer walls of one sides of the mounting plates (9).

7. A hydraulic pipeline connector sealing device according to claim 1, characterized in that: External threads (11) are provided on the outer circumferential surface of the connecting piece (1), and internal threads (11) are provided on the outer circumferential surface of the connected piece (8).