Novel self-sealing pipe joint

Abstract

The utility model discloses a novel self-sealing pipe joint, which belongs to the technical field of self-sealing pipe joints and comprises a self-sealing female joint, a guide stroke pad, a prepressing spring, a three-wing flow guide sealing valve core, an O-shaped ring, a valve seat, a sealing ring, a three-wing nut, a retainer ring and a self-sealing male joint. The pre-pressing spring is connected between the valve port and the bottom of the three-wing flow guide sealing valve element, the three-wing flow guide sealing valve element is connected into the self-sealing female head of the self-sealing male head, the self-sealing pipe joint has the advantages of being resistant to high pressure and corrosion, large in drift diameter and the like, the self-sealing pipe joint is convenient to connect and disassemble and perfect in matching, the inner wall resistance is reduced, and the medium flow speed is increased. The self-sealing pipe joint has instant self-sealing and efficient circulation capabilities, medium leakage and environmental pollution are prevented, the self-sealing pipe joint follows the international standard, the material is firm and durable, parts are subjected to anti-corrosion treatment, and a one-stop solution is provided for a fluid transmission system.

Description

Technical Field

[0001] This utility model relates to the field of self-sealing pipe fitting technology, and in particular to a novel self-sealing pipe fitting. Background Technology

[0002] The new self-sealing pipe fitting is a pipe connection component ingeniously designed for efficient installation and convenient disassembly. It has demonstrated unparalleled wide applicability in diverse pipeline connection scenarios of hydraulic systems such as oil drilling and well control equipment.

[0003] The existing self-sealing pipe fittings still have the following shortcomings that require improvement during use: the internal valve core and valve port of the existing self-sealing unions have a small diameter, resulting in flow obstruction. The valve core and other accessories are made of steel, and long-term contact with air and liquid media accelerates corrosion and aging of the internal valve core, increasing the risk of misalignment between the valve core and valve port. This can lead to the self-sealing union valve core failing to self-seal, causing leakage of liquid media inside the pipe and polluting the surrounding environment. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a novel self-sealing pipe joint.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a novel self-sealing pipe connector, comprising a self-sealing female connector, a guide travel pad, a preload spring, a three-wing flow guiding sealing valve core, an O-ring, a valve seat, a sealing ring, a three-wing nut, a retaining ring, and a self-sealing male connector, characterized in that: the guide travel pad is connected and disposed on the bottom surface of the three-wing flow guiding sealing valve core, the preload spring is connected and disposed between the valve port and the bottom of the three-wing flow guiding sealing valve core, and the three-wing flow guiding sealing valve core is connected and disposed inside the self-sealing female connector of the self-sealing male connector.

[0006] As a further description of the above technical solution:

[0007] The self-sealing female and self-sealing male connectors have valve ports inside their limiting devices.

[0008] As a further description of the above technical solution:

[0009] The side of the frustum-shaped trigger end of the self-sealing female head is provided with an annular groove.

[0010] As a further description of the above technical solution:

[0011] The three-wing flow guide sealing valve cores are symmetrically arranged.

[0012] As a further description of the above technical solution:

[0013] The sealing ring is in the shape of a gasket.

[0014] As a further description of the above technical solution:

[0015] One end of the three-wing nut is threaded to a self-sealing female head, and the other end of the three-wing nut is connected to several inwardly pressing claws.

[0016] As a further description of the above technical solution:

[0017] The groove or annular protrusion at the end of the self-sealing male head matches the jaw.

[0018] This utility model has the following beneficial effects:

[0019] In this invention, the self-sealing pipe joint has the characteristics of high pressure resistance, corrosion resistance, and large diameter. Combined with standardized design and excellent interchangeability, it greatly improves the ease of use. It has a simple structure, is easy to maintain, has strong sealing performance, and a long service life.

[0020] In this invention, the quick connection and easy disassembly of the self-sealing pipe joint ensures the neatness and aesthetics of the pipe joint. The perfect match between the diameter of the self-sealing plug and the inner diameter of the hydraulic pipeline significantly reduces the inner wall resistance and accelerates the medium flow rate. It completely overcomes the shortcomings of traditional self-sealing unions, such as small diameter, high resistance, low flow rate, limited elastic elements, and susceptibility to damage and misalignment, thus contributing a key force to improving system efficiency.

[0021] In this invention, the self-sealing pipe joint's instant self-sealing and efficient flow capability immediately form a reliable barrier when the pipeline is disconnected, preventing media leakage and environmental pollution. At the same time, it effectively resists sand and dust intrusion, protects equipment from wear, significantly improves work efficiency, and reduces production costs and operational risks.

[0022] In this invention, the self-sealing pipe fitting strictly complies with American ASTM and AISI standards. The shell material is sturdy and durable, and the self-sealing plug is made of 304 stainless steel. All components undergo strict anti-corrosion treatment and have properties such as corrosion resistance and erosion resistance, ensuring stable performance and long service life under extreme working conditions. It provides a green, efficient, and safe one-stop solution for various fluid transmission systems. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of a novel self-sealing pipe joint proposed in this utility model;

[0024] Figure 2 This is a schematic diagram of the self-sealing female head of a novel self-sealing pipe joint proposed in this utility model;

[0025] Figure 3 Schematic diagram of a three-wing nut for a novel self-sealing pipe joint proposed in this utility model. Figure 1 ;

[0026] Figure 4 Schematic diagram of a three-wing nut for a novel self-sealing pipe joint proposed in this utility model. Figure 2 ;

[0027] Figure 5 Schematic diagram of a sealing ring for a novel self-sealing pipe joint proposed in this utility model. Figure 1 ;

[0028] Figure 6 Schematic diagram of a sealing ring for a novel self-sealing pipe joint proposed in this utility model. Figure 2 ;

[0029] Figure 7 This is a schematic diagram of a self-sealing male connector of a novel self-sealing pipe fitting proposed in this utility model;

[0030] Figure 8 Schematic diagram of a valve seat for a novel self-sealing pipe joint proposed in this utility model. Figure 1 ;

[0031] Figure 9 Schematic diagram of a valve seat for a novel self-sealing pipe joint proposed in this utility model. Figure 2 ;

[0032] Figure 10 A schematic diagram of the valve core of a novel self-sealing pipe joint proposed in this utility model. Figure 1 ;

[0033] Figure 11 A schematic diagram of the valve core of a novel self-sealing pipe joint proposed in this utility model. Figure 2 ;

[0034] Figure 12 A schematic diagram of the preload spring for a novel self-sealing pipe joint proposed in this utility model;

[0035] Figure 13 Schematic diagram of a lift pad for a novel self-sealing pipe joint proposed in this utility model. Figure 1 ;

[0036] Figure 14 Schematic diagram of a lift pad for a novel self-sealing pipe joint proposed in this utility model. Figure 2 .

[0037] Legend:

[0038] 1. Self-sealing female connector; 2. Guide travel pad; 3. Preload spring; 4. Three-wing guide sealing valve core; 5. O-ring; 6. Valve seat; 7. Sealing ring; 8. Three-wing nut; 9. Retaining ring; 10. Self-sealing male connector. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] Reference Figures 1-14 This utility model provides an embodiment of a novel self-sealing pipe connector, comprising a self-sealing female connector 1, a guide travel pad 2, a preload spring 3, a three-wing flow guiding sealing valve core 4, an O-ring 5, a valve seat 6, a sealing ring 7, a three-wing nut 8, a retaining ring 9, and a self-sealing male connector 10. The guide travel pad 2 is connected and disposed on the bottom surface of the three-wing flow guiding sealing valve core 4; the preload spring 3 is connected and disposed between the valve port and the bottom of the three-wing flow guiding sealing valve core 4; and the three-wing flow guiding sealing valve core 4 is connected and disposed inside the self-sealing female connector 1 of the self-sealing male connector 10.

[0041] The self-sealing female head 1 and the self-sealing male head 10 have valve ports inside their limiting devices. The side of the truncated cone at the trigger end of the self-sealing female head 1 is connected to an annular groove. The three-wing flow-guiding sealing valve cores 4 are symmetrically arranged. The sealing ring 7 is in the shape of a pad. One end of the three-wing nut 8 is threaded to the self-sealing female head 1, and the other end of the three-wing nut 8 is connected to several inwardly pressing claws. The groove or annular protrusion at the end of the self-sealing male head 10 matches the claws. The preload spring 3 between the trigger plane end of the three-wing flow-guiding sealing valve core 4 and the valve port presses the trigger plane end and the valve seat 6 of the self-sealing male head 10 and the self-sealing female head 1 tightly to seal, realizing bidirectional self-sealing. When the self-sealing male head 10 and the self-sealing female head 1 are connected by the three-wing nut 8, the contact surfaces of the three-wing flow-guiding sealing valve cores 4 push against each other, thereby compressing the preload spring 3, causing the three-wing flow-guiding sealing valve cores 4 to open their respective valve seats 6, realizing the connection of the joints.

[0042] Working principle: A three-wing guide sealing valve core 4 is installed inside the self-sealing male connector 10 and the self-sealing female connector 1. The guide stroke pad 2 of the three-wing guide sealing valve core 4 moves inside the valve port. The preload spring 3 fitted on the guide stroke pad 2 is placed between the valve port and the trigger end face and bottom face of the three-wing guide sealing valve core 4, that is, pressing the trigger end of the three-wing guide sealing valve core 4 onto the valve seat 6, so that when the joint is disconnected, the self-sealing male connector 10 and the self-sealing female connector 1 automatically seal in both directions. When the self-sealing male connector 10 and the self-sealing female connector 1 are connected through the three-wing guide sealing valve core 8, the three-wing guide sealing valve core 8 seals the valve. The trigger planes of the sealing valve core 4 are pressed against each other, that is, the preload spring 3 is further compressed. The three-wing guide sealing valve cores 4 move backward to open the valve seat 6 again, realizing the connection of the joint and the pipeline. The guide travel pad 2 moves in the valve port. The valve port not only serves as a guide hole, but also allows the pipeline medium to flow. In order to improve the pipeline transportation efficiency, in addition to the guide hole, the valve port is equipped with a through hole for the medium to flow. When the self-sealing male head 10 and the self-sealing female head 1 are connected by the three-wing nut 8, the sealing ring 7 of the contact surface of the self-sealing female head 1 can withstand high pressure.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel self-sealing pipe fitting, comprising a self-sealing female connector (1), a guide travel pad (2), a preload spring (3), a three-wing flow guiding sealing valve core (4), an O-ring (5), a valve seat (6), a sealing ring (7), a three-wing nut (8), a retaining ring (9), and a self-sealing male connector (10), characterized in that: The guide travel pad (2) is connected to the bottom surface of the three-wing guide sealing valve core (4), the preload spring (3) is connected between the valve port and the bottom of the three-wing guide sealing valve core (4), and the three-wing guide sealing valve core (4) is connected to the inside of the self-sealing female head (1) of the self-sealing male head (10).

2. The novel self-sealing pipe joint according to claim 1, characterized in that: The self-sealing female head (1) and the self-sealing male head (10) have valve ports inside their limiting devices.

3. The novel self-sealing pipe joint according to claim 2, characterized in that: The side of the frustum of the trigger end of the self-sealing female head (1) is provided with an annular groove.

4. The novel self-sealing pipe joint according to claim 1, characterized in that: The three-wing flow guide sealing valve core (4) is symmetrically arranged.

5. A novel self-sealing pipe joint according to claim 1, characterized in that: The sealing ring (7) is in the form of a gasket.

6. A novel self-sealing pipe joint according to claim 1, characterized in that: One end of the three-wing nut (8) is threadedly connected to the self-sealing nut (1), and the other end of the three-wing nut (8) is connected to a number of inwardly pressing claws.

7. A novel self-sealing pipe joint according to claim 1, characterized in that: The groove or annular protrusion at the end of the self-sealing male head (10) matches the claw.

Images