Protection structure at joint of nonmetal pipeline

By designing structures such as the upper clamping ring, lower clamping ring, limit pin and sealing ring, the problem of loose connection at the non-metallic pipe interface is solved, stable clamping and sealing effects are achieved for pipes of different sizes, and the reliability and safety of the connection are improved.

CN223434896UActive Publication Date: 2025-10-14YANTAI WANHUA EAST CHINA CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422696744.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-10-14
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

The connections at the non-metallic pipe interfaces are not tight and are prone to leakage, making it difficult to adapt to different pipe sizes, affecting the use effect and safety.

Method used

It adopts the design of upper clamping ring and lower clamping ring, equipped with limit pin and protective sleeve, combined with sealing ring and docking ring, and enhances sealing and stability through threaded connection and sealing strip.

Benefits of technology

It achieves a firm clamping of pipes of different thicknesses, prevents leakage, improves the reliability and versatility of the connection, and ensures the sealing and safety of the interface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protection structure at a non-metal pipeline joint, and belongs to the technical field of protection structures. A protection structure for a non-metal pipeline connector comprises an upper clamping ring, the bottom of the upper clamping ring is movably connected with a lower clamping ring, the upper clamping ring and the lower clamping ring are slidably connected with limiting bolts correspondingly, and the ends, penetrating through the lower clamping ring, of the limiting bolts are connected with limiting pieces through threads; protective sleeves are arranged in the upper clamping ring and the lower clamping ring correspondingly, the limiting plug pins are in sliding connection with the protective sleeves, and the protective sleeves are used for reducing abrasion generated by sliding of the limiting plug pins; by adopting the design of the upper clamping ring and the lower clamping ring and being provided with the limiting bolt and the protection sleeve, the protection structure at the non-metal pipeline connector can stably clamp pipelines with different thicknesses, and the problem that the using effect is affected due to the fact that the sizes of the pipelines are improper is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of protection structures, in particular to a protection structure for a non-metallic pipeline interface. Background Art

[0002] In industrial production, urban water supply, drainage systems and various chemical processes, non-metallic pipes are widely used due to their corrosion resistance, light weight and easy installation.

[0003] The connection stability and sealing performance of non-metallic pipe interfaces have always been key factors affecting their use effect and safety. In actual applications, due to the complexity and diversity of pipeline systems, they often need to be connected to pipes of different sizes. When using them, workers are unable to quickly adjust the appropriate size, resulting in non-metallic pipe interface connection methods often having problems such as loose connection, easy leakage, and difficulty in adapting to different pipe sizes. This not only affects the normal operation of the pipeline system, but may also cause safety accidents.

[0004] Therefore, in order to solve this problem, the present invention provides a non-metallic pipe interface protection structure. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art and to propose a non-metallic pipe interface protection structure.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a protective structure for a non-metallic pipe interface, comprising an upper clamping ring, the bottom of the upper clamping ring is movably connected to a lower clamping ring, the upper clamping ring and the lower clamping ring are respectively slidably connected to a limit pin, the limit pin passes through one end of the lower clamping ring and is threadedly connected to a limit member, the interior of the upper clamping ring and the lower clamping ring are respectively provided with a protective sleeve, the limit pin and the protective sleeve are slidably connected, the protective sleeve is used to reduce the wear caused by the sliding of the limit pin, the interior of the upper clamping ring is provided with an upper connecting ring, and the interior of the lower clamping ring is provided with a lower connecting ring.

[0007] Preferably, the inner walls of the upper connecting ring and the lower connecting ring are respectively connected to the sealing ring 2 and the sealing ring 1 through threaded connections, and the inner walls of the sealing ring 2 and the sealing ring 1 are provided with thread grooves.

[0008] Preferably, the sealing ring 2 and the sealing ring 1 are internally connected to the docking ring 1 and the docking ring 2 respectively through threads, and the diameters of the docking ring 1 and the docking ring 2 are different.

[0009] Preferably, a sealing strip is clamped between the first and second docking rings, and the sealing strip is used for sealing.

[0010] Preferably, the surfaces of the upper clamping ring and the lower clamping ring are provided with anti-skid lines, respectively.

[0011] Preferably, the top of the limiting pin is provided with a pulling handle for pulling the limiting pin.

[0012] Compared with the prior art, the utility model provides a nonmetal pipeline interface protection structure, has the following beneficial effects:

[0013] 1、 the nonmetal pipeline interface protection structure, through adopting the design of upper clamping ring and lower clamping ring, and being equipped with limiting pin and protective sleeve, the nonmetal pipeline interface protection structure can firmly clamp pipelines of different thicknesses, avoids the problem of affecting use effect due to inappropriate pipeline size.

[0014] 2、 the nonmetal pipeline interface protection structure, through the screw thread connection design of the inner walls of the upper connecting ring and the lower connecting ring, and the use of the butt ring and the sealing strip, further enhances the sealing and stability of the interface. This design effectively prevents leakage and loosening, improves the reliability of the connection, thereby ensuring the connection stability and sealing of the nonmetal pipeline interface. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of the nonmetal pipeline interface protection structure is provided for the utility model;

[0016] Figure 2 A structure expansion diagram 1 of the nonmetal pipeline interface protection structure is provided for the utility model;

[0017] Figure 3 A structure expansion diagram 2 of the nonmetal pipeline interface protection structure is provided for the utility model;

[0018] Figure 4 A structure of the nonmetal pipeline interface protection structure is provided for the utility model; Figure 3 A zone A enlargement diagram in the middle.

[0019] In the figure: 1, upper clamping ring; 2, lower clamping ring; 3, limiting pin; 4, limiting piece; 5, protective sleeve; 6, pulling handle; 7, upper connecting ring; 8, lower connecting ring; 9, sealing ring one; 10, sealing ring two; 11, butt ring one; 12, butt ring two; 13, sealing strip. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0022] Referring to Figures 1-4 A kind of non-metal pipeline interface protection structure, which is composed of upper clamping ring 1 and lower clamping ring 2, wherein the bottom of upper clamping ring 1 is connected with lower clamping ring 2 through movable connection, so that they can move relatively to adapt to pipes of different thickness, limit pins 3 are designed on upper clamping ring 1 and lower clamping ring 2 respectively, these limit pins 3 can pass through lower clamping ring 2 and be connected with limit piece 4 at the end through thread, so as to fix the position of upper clamping ring 1 and lower clamping ring 2, ensure firm clamping, in addition, the inner part of upper clamping ring 1 and lower clamping ring 2 is respectively provided with protective sleeve 5, limit pin 3 contacts with protective sleeve 5 in the sliding process, effectively reduces the wear caused by sliding, at the same time, upper clamping ring 1 is equipped with upper connecting ring 7 inside, lower clamping ring 2 is equipped with lower connecting ring 8 inside, the design of these connecting rings makes the protection structure can easily clamp pipes of different thickness, avoids the problem that the use effect is affected due to the size of pipe being not suitable, the protection structure can stably clamp non-metal pipes of different thickness, and reduces the wear of limit pin 3 through protective sleeve 5, improves the durability of structure.

[0023] In addition, the inner walls of upper connecting ring 7 and lower connecting ring 8 are respectively connected with sealing ring two 10 and sealing ring one 9 through thread. The inner walls of the two sealing rings are provided with thread grooves, and the thread grooves are designed to be threadedly connected with other components such as pipes or other connecting members, so as to ensure the sealing and stability of the interface. Through the threadedly connected sealing rings, the protection structure can be tightly connected with other components, effectively preventing leakage and loosening, and improving the reliability of the connection.

[0024] In addition, the inner parts of sealing ring two 10 and sealing ring one 9 are further connected with butt joint ring one 11 and butt joint ring two 12 respectively through thread, and the diameters of the two butt joint rings are designed to be different in size to adapt to the butt joint requirements of pipes of different sizes. This design makes the protection structure flexible to be applied to the connection of pipes of various sizes, improves the universality of the structure, and the protection structure can easily butt joint pipes of different diameters, ensuring the tightness and stability of the connection.

[0025] In addition, a snap-on sealing strip 13 is designed between the docking ring 11 and the docking ring 2 12. This sealing strip 13 plays an additional sealing role when the docking rings are tightly fitted, ensuring that there is no leakage at the pipeline interface. With the support of the sealing strip 13, the protective structure further enhances the sealing effect of the interface and effectively prevents fluid leakage.

[0026] In addition, in order to increase stability and safety during operation, anti-slip grooves are provided on the surfaces of the upper clamping ring 1 and the lower clamping ring 2. These grooves are designed to increase the friction between the hand and the clamping ring to prevent slipping during clamping or adjustment.

[0027] In addition, in order to facilitate the operation of the limit latch 3, a pulling handle 6 is designed on the top thereof. The pulling handle 6 allows the user to more easily grasp and pull the limit latch 3, thereby fixing or releasing the clamping ring.

[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A non-metallic pipe interface protection structure, comprising an upper clamping ring (1), characterized in that: The bottom of the upper clamping ring (1) is movably connected to the lower clamping ring (2), and the upper clamping ring (1) and the lower clamping ring (2) are respectively slidably connected to the limit pin (3), and the limit pin (3) passes through one end of the lower clamping ring (2) and is connected to the limit member (4) by a thread. The upper clamping ring (1) and the lower clamping ring (2) are respectively provided with a protective sleeve (5), and the limit pin (3) and the protective sleeve (5) are slidably connected. The protective sleeve (5) is used to reduce the wear caused by the sliding of the limit pin (3). The upper clamping ring (1) is provided with an upper connecting ring (7), and the lower clamping ring (2) is provided with a lower connecting ring (8).

2. A non-metallic pipe interface protection structure according to claim 1, characterized in that: The inner walls of the upper connecting ring (7) and the lower connecting ring (8) are respectively connected to the sealing ring 2 (10) and the sealing ring 1 (9) through threaded connection, and the inner walls of the sealing ring 2 (10) and the sealing ring 1 (9) are provided with threaded grooves.

3. A non-metallic pipe interface protection structure according to claim 2, characterized in that: The sealing ring 2 (10) and the sealing ring 1 (9) are internally connected to the docking ring 1 (11) and the docking ring 2 (12) respectively through threads, and the diameters of the docking ring 1 (11) and the docking ring 2 (12) are different.

4. A non-metallic pipe interface protection structure according to claim 3, characterized in that: A sealing strip (13) is clamped between the first docking ring (11) and the second docking ring (12), and the sealing strip (13) is used for sealing.

5. The non-metallic pipe interface protection structure according to claim 1, characterized in that: The surfaces of the upper clamping ring (1) and the lower clamping ring (2) are respectively provided with anti-slip patterns.

6. A non-metallic pipe interface protection structure according to claim 1, characterized in that: A pulling handle (6) is provided on the top of the limiting latch (3), and the pulling handle (6) is used to pull the limiting latch (3).