Integrated flexible pipe sealing joint

Abstract

The utility model discloses an integrated flexible pipe sealing joint which comprises a pipe body, connecting seats are arranged at the two ends of the pipe body, one connecting seat is in threaded connection with a male joint, the other connecting seat is in threaded connection with a female joint, the male joint and the female joint are matched with each other, a tightening part is arranged at an inlet of each connecting seat, and the tightening parts are in threaded connection with the male joint and the female joint. A tightening part is arranged on the male connector and the female connector, the tightening part is provided with a locking piece used for shrinking in the axis direction, the inner wall of the locking piece is provided with a plurality of rib parts at equal intervals, one end of the locking piece is provided with a limiting part and is arranged above the connecting seat, sealing sleeves are arranged between the limiting part and the male connector and between the limiting part and the female connector, and sealing pieces are arranged between the sealing sleeves and the limiting part. By rotating the connector and applying downward pressure, the locking piece shrinks inwards, the gap is filled, meanwhile, an object is firmly clamped, and in cooperation with the sealing piece, the sealing performance is effectively maintained, the leakage risk caused by time decline is prevented, friction of the rib part is increased, and stable connection is ensured.

Description

Technical Field

[0001] This utility model relates to the field of flexible tube technology, and in particular to an integrated flexible tube sealing joint. Background Technology

[0002] Flexible conduit is a type of pipe that is flame-retardant, corrosion-resistant, and water-resistant. It is widely used in hazardous environments such as oil extraction, refining, chemical industry, and military industry, as well as in dangerous locations such as offshore oil platforms and tankers, and for scene lighting.

[0003] In the process of using existing flexible conduits, their locking force and sealing effect will gradually decrease over time, or the increased corrosion effect of the humid environment will weaken the connection stability and increase the risk of leakage. Therefore, the applicant has made a useful design and found a way to solve the above problems. The technical solution to be introduced below is generated in this context. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of traditional flexible tube designs and provide a product with high-efficiency sealing and stable connection.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] An integrated flexible tube sealing joint includes a tube body with connectors at both ends. One connector is threaded to a male connector, and the other connector is threaded to a female connector. The male and female connectors are mutually compatible. A tightening portion is provided at the inlet of each connector. The tightening portion is provided with a locking element for retracting in the axial direction. The inner wall of the locking element is provided with several equally spaced ribs. One end of the locking element is provided with a limiting portion, which is located above the connector. A sealing sleeve is provided between the limiting portion and the male and female connectors. A sealing element is provided between the sealing sleeve and the limiting portion.

[0007] Preferably, the outer wall of the connector is provided with a first connector and is threaded to a male or female connector. The outer wall of the connector is also provided with a second connector and is fixedly connected to the pipe body. A sealing ring is provided between the inner wall of the connector and the second connector.

[0008] Preferably, the outer wall of the locking member is provided with an inclined surface adapted to the tightening part, and the entrance of the rib part is provided with an inclined guide part.

[0009] Preferably, the limiting part is provided with a groove for accommodating the sealing sleeve.

[0010] Preferably, the sealing member comprises a sealing ring arranged between the inner wall of the sink and the outer wall of the sealing sleeve, and a sealing gasket arranged between the end face of the sink and the end face of the sealing sleeve in contact.

[0011] Preferably, the male joint is provided with a threaded column.

[0012] Preferably, the female joint is provided with a threaded groove matched with the threaded column.

[0013] Advantages:

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The utility model discloses a sealing joint for a flexible pipe, which comprises a pipe body, a socket, a male joint, a female joint, a locking member, a sealing sleeve and a sealing member.

[0016] (2) The utility model discloses a sealing joint for a flexible pipe, which comprises a pipe body, a socket, a male joint, a female joint, a locking member, a sealing sleeve and a sealing member. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a side sectional structure schematic view of the utility model one-piece flexible pipe sealing joint.

[0018] Figure 2 It is a side sectional structure schematic view of the utility model one-piece flexible pipe sealing joint. Figure 1

[0019] Figure 3 It is an exploded view of the utility model one-piece flexible pipe sealing joint.

[0020] The correspondence between the annotations of the drawings and the component names is as follows:

[0021] Reference signs: 1, pipe body; 2, socket; 3, male joint; 4, female joint; 5, locking member; 6, sealing sleeve; 7, sealing member; 21, shrinkage part; 22, first connecting piece; 23, second connecting piece; 31, threaded column; 41, threaded groove; 51, rib part; 52, limiting part; 53, inclined surface; 54, guide part; 521, sink; 71, sealing ring; 72, sealing gasket. DETAILED DESCRIPTION

[0022] ​The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments, obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the present utility model.

[0023] In the description of the present utility model, it should be understood that the directions or position relations indicated by the terms "upper", "lower", "left", "right" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the present utility model.

[0024] In the embodiments of the present utility model, "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects have an "or" relationship.

[0025] Reference example Figures 1 to 3 A one-piece flexible pipe sealing joint, comprising a pipe body 1, two ends of the pipe body 1 are provided with sockets 2, one of the sockets 2 is threadedly connected with a male connector 3, the other socket 2 is threadedly connected with a female connector 4, the male connector 3 and the female connector 4 are mutually adapted, a shrinkage portion 21 is arranged at the inlet of the socket 2, the shrinkage portion 21 is provided with a locking piece 5 for contraction in the axial direction, the inner wall of the locking piece 5 is provided with a plurality of equally spaced rib portions 51, one end of the locking piece 5 is provided with a limiting portion 52 and is arranged above the socket 2, a sealing sleeve 6 is arranged between the limiting portion 52 and the male connector 3 and the female connector 4, the sealing sleeve 6 and the limiting portion 52 are provided with a sealing piece 7, by rotating the male connector 3 or the female connector 4, the locking piece 5 is subjected to downward pressure, the locking piece 5 is forced to shrink through the shrinkage portion 21, not only filling the gap between the locking piece 5 and the shrinkage portion 21, but also effectively clamping the clamped object, supplemented by the sealing piece 7, effectively reducing the risk of leakage due to the decline in product sealing performance over time; after the locking piece 5 clamps the clamped object, the rib portions 51 are also tightly pressed against the surface of the clamped object, effectively increasing the friction between the clamped object and the locking piece 5, ensuring stable connection of the clamped object and the pipe body 1.

[0026] It is worth mentioning that the outer wall of the socket 2 is provided with a first connecting piece 22, and is threadedly connected to the male connector 3 or the female connector 4, and the outer wall of the socket 2 is further provided with a second connecting piece 23, and is connected and fixed with the pipe body 1, and the inner wall between the socket 2 and the second connecting piece 23 is provided with a sealing ring 71, and the second connecting piece 23 is connected and fixed with the pipe body 1 through a welding process, and the sealing ring 71 prevents the penetration of moist air or gas medium with a corrosion effect into the socket 2 through the welding gap, and corrodes the socket 2;

[0027] It is worth mentioning that the outer wall of the locking piece 5 is provided with an inclined surface 53 matched with the tapered portion 21, and the entrance of the rib portion 51 is provided with an inclined guide portion 54, the inclined surface 53 is matched with the tapered portion 21, the diameter of the tapered portion 21 is wide at the top and narrow at the bottom, and the guide portion 54 helps the clamped object to smoothly enter the socket 2 and the pipe body 1;

[0028] It is worth mentioning that the limiting portion 52 is provided with a recessed groove 521 accommodating the sealing sleeve 6, and the limiting portion 52 is located above the tapered portion 21, and limits the distance of the locking piece 5 from descending, so as to protect the locking piece 5 from being deformed due to excessive extrusion and unable to reset;

[0029] It is worth mentioning that the sealing piece 7 includes a sealing ring 71 and a sealing washer 72, the sealing ring 71 is arranged between the inner wall of the recessed groove 521 and the outer wall of the sealing sleeve 6, and the sealing washer 72 is arranged between the end face of the recessed groove 521 and the end face of the sealing sleeve 6 in contact, the recessed groove 521 wraps the outer wall of the sealing sleeve 6, and forms a labyrinth sealing structure, and cooperates with the sealing ring 71 and the sealing washer 72 to further prevent the external gas medium or liquid medium from entering the pipe body 1;

[0030] It is worth mentioning that the male connector 3 is provided with a threaded column 31;

[0031] It is worth mentioning that the female connector 4 is provided with a threaded groove 41 matched with the threaded column 31.

[0032] The above design scheme can realize the advantages of efficient sealing and stable connection.

[0033] The above content is further detailed in combination with the specific embodiments, and cannot be regarded as the limitation of the specific embodiments of the utility model, and for the ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection range determined by the claims of the utility model.

Claims

1. An integral flexible pipe seal joint comprising a pipe body (1) having sockets (2) at each end, one of which is threaded to receive a male joint (3) and the other of which is threaded to receive a female joint (4), the male joint (3) and female joint (4) being mutually compatible, characterised in that: The entrance of the adapter (2) is provided with a shrinkage part (21), the shrinkage part (21) is provided with a locking piece (5) for shrinking to the axial direction, the inner wall of the locking piece (5) is provided with a plurality of equidistant rib parts (51), one end of the locking piece (5) is provided with a limiting part (52), and the limiting part (52) is arranged above the adapter (2), the limiting part (52) and the male joint (3) and the female joint (4) are provided with a sealing sleeve (6), and the sealing sleeve (6) and the limiting part (52) are provided with a sealing piece (7).

2. The integral flexible pipe seal joint of claim 1, wherein: The outer wall of the adapter (2) is provided with a first connecting piece (22) and is screwed to the male joint (3) or the female joint (4), and the outer wall of the adapter (2) is further provided with a second connecting piece (23) and is connected and fixed with the pipe body (1), and the inner wall between the adapter (2) and the second connecting piece (23) is provided with a sealing ring (71).

3. The integral flexible pipe seal joint of claim 1, wherein: The outer wall of the locking piece (5) is provided with an inclined surface (53) matched with the shrinkage part (21), and the entrance of the rib part (51) is provided with an inclined guide part (54).

4. The integral flexible pipe seal joint of claim 1, wherein: The limiting part (52) is provided with a sunken groove (521) for accommodating the sealing sleeve (6).

5. The integral flexible pipe seal joint of claim 4, wherein: The sealing piece (7) comprises a sealing ring (71) and a sealing washer (72), the sealing ring (71) is arranged between the inner wall of the sunken groove (521) and the outer wall of the sealing sleeve (6), and the sealing washer (72) is arranged between the end surface of the sunken groove (521) and the end surface of the sealing sleeve (6).

6. The integral flexible pipe seal joint of claim 1, wherein: The male joint (3) is provided with a threaded column (31).

7. The integral flexible pipe seal joint of claim 6, wherein: The female joint (4) is provided with a threaded groove (41) matched with the threaded column (31).

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