Flexible pipeline joint not prone to medium leakage

By combining the inner pagoda-shaped straight pipe and the nut, the problem of easy leakage in flexible pipe joints is solved, achieving high sealing performance and convenient operation, while reducing costs.

CN224107839UActive Publication Date: 2026-04-10万应军
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing flexible pipe joints are prone to media leakage during the connection process, and clamp connections require specialized equipment. Crimping can easily damage the pipe, leading to inconvenience in operation and increased costs.

Method used

It adopts an inner pagoda straight tube and nut design, and achieves sealing through threaded connection and armhole compression. By using different diameter inner pagoda straight tubes and nuts, friction and sealing performance are increased, and it can be operated with a common wrench.

Benefits of technology

It achieves high sealing performance of flexible pipe joints, reduces the risk of leakage, simplifies the operation process, reduces the need for special tools, and lowers costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flexible pipeline joints, in particular to a flexible pipeline joint not easy to leak media, which comprises a nipple joint, an inner sleeve pagoda straight-through pipe a, an inner sleeve pagoda straight-through pipe b, a flexible hose body and a nut b, the flexible hose body is inserted into the outer surface of the inner sleeve pagoda straight-through pipe a and the outer surface of the inner sleeve pagoda straight-through pipe b, and the inner sleeve pagoda straight-through pipe b is inserted into the nut b. The outer surface of the flexible hose body is sleeved with a nut b, the inner wall of the nut b is in threaded connection with the outer surface of the double nipple connector, the number of parts is small, factory manufacturing is adopted, the quality is easy to guarantee, machining and manufacturing are easy, cost is low, a pair of haunch angles are adopted for extrusion, the tightness degree is controlled through the screws, and the safety performance is good. Meanwhile, the joint is convenient to replace, is operated by adopting a common monkey wrench, is free of other special tools, reduces the cost of purchasing other special tools by a user, can be matched with a quick plug for use, and is more convenient to use on site.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flexible pipe joint, concretely relates to a flexible pipe joint not easy to leak medium. BACKGROUND

[0002] In the high-speed flow of matter today, although common matter can be transported by train, automobile, even aircraft and other transport tools, but for oil, gas, water and other easy flow, easy to spill the matter using pipeline transportation is the best continuity, the largest transport capacity, the most easy to control flow occupies the smallest space delivery mode, especially in the oil, gas, water and other material use and equipment internal transport link, pipeline delivery mode is particularly important. The pipeline used in pipeline delivery mainly has two types, one is to adopt hard pipeline such as steel pipe, iron pipe, copper pipe, etc., when the pipeline is extended, the pipeline and joint are mainly welded, threaded connection, etc., this kind of pipeline is usually provided with special regulations to operating personnel, operating link, operating equipment due to large quality, high pressure, etc., and due to the large rigidity of pipeline and joint, small deformation, etc., it is usually used in some trunk pipelines. One is to adopt soft (flexible) pipeline such as rubber pipe, plastic pipe, plastic pipe, canvas pipe, etc., the pipeline and joint are mainly connected by clamp, pressure connection and other ways.

[0003] But the clamp connection has the defects of smaller pressure bearing, rotation of the clamp in the connection process, easy slipping of the clamp screw nut, easy leakage of medium for the clamp of the rigid flexible (soft) pipeline, and the like, and the pressure connection needs special equipment, and improper pressure control can damage the flexible (soft) pipeline or the connected pipe, therefore, a flexible pipe joint not easy to leak medium is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] To solve the problems in the background art, the utility model provides a flexible pipe joint not easy to leak medium.

[0005] To achieve the above object, the utility model provides the following technical scheme: a flexible pipe joint not easy to leak medium, including the screw joint, the inner sleeve pagoda straight pipe a, the inner sleeve pagoda straight pipe b, the flexible hose body and the nut b, the outer surface of the inner sleeve pagoda straight pipe a and the inner sleeve pagoda straight pipe b is inserted with the flexible hose body, the outer surface of the flexible hose body is sleeved with the nut b, the inner wall of the nut b is connected with the outer surface of the screw joint, the outer surface of the inner sleeve pagoda straight pipe a and the inner sleeve pagoda straight pipe b is installed with the inner sleeve pagoda straight pipe compression armpit, the inner wall of the nut b is installed with the nut compression armpit.

[0006] Preferably, the diameter of the inner sleeve pagoda straight pipe a is different from the model of the inner sleeve pagoda straight pipe b.

[0007] Preferably, the inner wall of the screw cap b is provided with a sealing gasket, and the upper surface of the sealing gasket is attached to the lower surface of the screw cap compression corner.

[0008] Preferably, the upper surface of the inner sleeve tower straight pipe compression corner is attached to the lower surface of the sealing gasket.

[0009] Preferably, the outer surface of the pair of threaded joints is provided with external threads on the upper and lower sides.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a device, the device has the advantages of less components, factory production, quality is easy to guarantee, and processing and manufacturing are relatively easy, and the cost is relatively low, adopts a pair of corner extrusion, controls the tightness through the screw, and the sealing performance of the joint is better, and the device is convenient to replace, adopts the operation of the common activity spanner, and no other special tool is needed, reduces the cost of purchasing other special tools of the user, can be used with the fast insertion, and the on-site use is more convenient. DRAWINGS

[0012] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0013] Fig. 1 It is the structural schematic diagram of the utility model;

[0014] Fig. 2 It is the separation structure schematic diagram of the pair of threaded joints and the inner sleeve tower straight pipe a in the utility model;

[0015] Fig. 3 It is the separation three-dimensional connection structure schematic diagram of the pair of threaded joints and the screw cap a in the utility model;

[0016] In the drawing, 1 is a pair of threaded joints, 2 is a sealing gasket, 3 is an inner sleeve tower straight pipe a, 4 is a flexible hose body, 5 is an inner sleeve tower straight pipe b, 6 is a screw cap b, 7 is a screw cap compression corner, and 8 is an inner sleeve tower straight pipe compression corner. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0018] EMBODIMENT

[0019] Please refer to Figs. 1-3 The utility model provides the following technical scheme: A flexible pipe joint not easy to leak medium, including the pair of thread joint 1, inner sleeve pagoda straight -through pipe a3, inner sleeve pagoda straight -through pipe b5, flexible hose body 4 and nut b6, the outer surface of inner sleeve pagoda straight -through pipe a3 and inner sleeve pagoda straight -through pipe b5 are inserted with flexible hose body 4, the outer surface of flexible hose body 4 is equipped with nut b6, the inner wall of nut b6 is connected with the outer surface of the pair of thread joint 1 with screw thread, the outer surface of inner sleeve pagoda straight -through pipe a3 and inner sleeve pagoda straight -through pipe b5 is equipped with inner sleeve pagoda straight -through pipe compression armpit 8, the inner wall of nut b6 is equipped with nut compression armpit 7.

[0020] Specifically, the diameter of the inner sleeve pagoda straight -through pipe a3 is different from the model of the inner sleeve pagoda straight -through pipe b5;

[0021] The diameter of the flexible hose body 4 can be adjusted to adjust the different models of the inner sleeve pagoda straight -through pipe a3 and the inner sleeve pagoda straight -through pipe b5, and the different models of the inner sleeve pagoda straight -through pipe a3 and the inner sleeve pagoda straight -through pipe b5 are convenient for inserting the flexible hose body 4 with different diameters.

[0022] Specifically, the inner wall of the nut b6 is provided with a sealing gasket 2, and the upper surface of the sealing gasket 2 is attached to the lower surface of the nut compression armpit 7;

[0023] Specifically, the upper surface of the inner sleeve pagoda straight -through pipe compression armpit 8 is attached to the lower surface of the sealing gasket 2;

[0024] The flexible pipe joint not easy to leak medium is mainly composed of the pair of thread joint 1, the nut b6, the inner sleeve pagoda straight -through pipe a3 and the inner sleeve straight -through pipe b, and is made of a material with high strength, corrosion resistance and no reaction with the transported medium to generate a dangerous material, the inner sleeve pagoda straight -through pipe compression armpit 8 and the nut compression armpit 7 are matched, the friction between the inside of the flexible hose body 4 and the outside of the inner sleeve pagoda straight -through pipe a3 is increased, the clamping force and the tightness are increased, and the outside of the inner sleeve pagoda straight -through pipe a3 and the inner sleeve pagoda straight -through pipe b5 is annular concave-convex.

[0025] Specifically, the upper and lower sides of the outer surface of the pair of thread joint 1 are provided with external threads;

[0026] The nut b6 is connected with the pair of thread joint 1 by screwing, the nut b6 is tightened by using a wrench, the end wall of the flexible hose body 4 is compressed by the nut compression armpit 7 and the inner sleeve pagoda straight -through pipe compression armpit 8, and the purpose of the flexible pipe joint not easy to leak medium is achieved.

[0027] The working principle and use process of the utility model are as follows:

[0028] In use,

[0029] The screw cap b6 is inserted to the outer surface of the flexible hose body 4, and the inner sleeve cone straight pipe a3 or the inner sleeve cone straight pipe b5 is inserted into the inside of the flexible hose body 4 and is inserted to a certain depth until the inner wall of the flexible hose body 4 is sleeved with the inner sleeve cone straight pipe compression corner 8, then the screw cap b6 is moved along the flexible hose body 4 to the direction of the sleeved inner sleeve cone straight pipe compression corner 8, until the screw cap compression corner 7 and the inner sleeve cone straight pipe compression corner 8 wrap the end wall of the flexible hose body 4, the screw cap b6 is screwed with the threaded joint 1, the screw cap b6 is tightened by using a wrench, the screw cap compression corner 7 and the inner sleeve cone straight pipe compression corner 8 compress the end wall of the flexible hose body 4, so that the flexible pipe joint is not easy to leak the medium.

[0030] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A flexible pipe joint for a non-leaking medium, comprising a male joint (1), an inner sleeve cone straight through pipe a (3), an inner sleeve cone straight through pipe b (5), a flexible hose body (4) and a nut b (6), characterized in that: The outer surface of the inner sleeve tower straight pipe a (3) and the inner sleeve tower straight pipe b (5) is inserted with a flexible hose body (4), the outer surface of the flexible hose body (4) is sleeved with a nut b (6), the inner wall of the nut b (6) is screwed with the outer surface of the pair of wire joints (1), the outer surface of the inner sleeve tower straight pipe a (3) and the inner sleeve tower straight pipe b (5) is provided with an inner sleeve tower straight pipe pressing corner (8), and the inner wall of the nut b (6) is provided with a nut pressing corner (7).

2. A flexible pipe end fitting for a non-leaking medium according to claim 1, characterised in that: The diameter of the inner sleeve tower straight pipe a (3) is different from the model of the inner sleeve tower straight pipe b (5).

3. A flexible pipe end fitting for a non-leaking medium according to claim 1, characterized in that: The inner wall of the nut b (6) is provided with a sealing gasket (2), and the upper surface of the sealing gasket (2) is attached to the lower surface of the nut pressing corner (7).

4. A flexible pipe end fitting for a non-leaking medium according to claim 1, characterized in that: The upper surface of the inner sleeve tower straight pipe pressing corner (8) is attached to the lower surface of the sealing gasket (2).

5. A flexible pipe end fitting for a non-leaking medium according to claim 1, characterized in that: The upper and lower sides of the outer surface of the pair of wire joints (1) are provided with external threads.