Metal thread sealing joint

Abstract

The utility model relates to the technical field of screwed joints, in particular to a metal threaded sealing joint which comprises a screwed joint body, a sealing mechanism is arranged on the screwed joint body, and a moisture-proof assembly is arranged on the screwed joint body. According to the metal thread sealing joint, through sealing arrangement, the possibility of leakage is reduced to the maximum extent, the leakage phenomenon is effectively prevented, the protection pipe is installed on the outer wall of the thread joint, threads are protected, external physical impact and chemical corrosion can be effectively resisted, the sealing ring is installed in the protection pipe, the sealing effect is improved, and the service life of the metal thread sealing joint is prolonged. It is ensured that the threaded connector still keeps good sealing performance in a severe environment, the service life of the connector is prolonged, the maintenance frequency caused by thread damage is reduced, the reliability and safety of the connector are improved, moisture or other liquid is prevented from entering the protection pipe through the arrangement of the moisture-proof assembly, and the service life of the connector is prolonged. Therefore, corrosion and damage of internal components are effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of threaded joint, especially to a metal threaded sealing joint. BACKGROUND

[0002] Threaded joint is the key component of connecting pipeline, valve and other equipment, is widely used in various fluid transmission systems, is the most common pipe fitting in industry and life, threaded joint makes the connection of pipeline become simpler, and disassembly and replacement are also easier, greatly save the cost of pipeline connection, metal threaded sealing joint plays a vital role in fluid transmission system, it is the core component of connecting pipeline, valve and other components, and it is crucial to ensure the smooth operation and safety of the whole system.

[0003] The metal threaded joint on the market has the following problems when in use:

[0004] 1. The traditional metal threaded joint does not have a good sealing mechanism when in use, and external pollutants may enter due to poor sealing, which may contaminate the medium in the pipeline and even cause safety accidents sometimes.

[0005] 2. Most metal threaded joints do not have good moisture-proof effect when in use, which leads to water accumulation inside the joint in high humidity environment, thereby causing corrosion and rust, shortening the service life of the joint, increasing the frequency of maintenance and replacement, and increasing the production cost. UTILITY MODEL CONTENTS

[0006] The utility model aims to solve one of the above technical problems at least to some extent.

[0007] Therefore, one purpose of the utility model is to provide a metal threaded sealing joint, which effectively prevents leakage by setting a sealing mechanism on the metal threaded joint, protects the thread, can resist external physical impact and chemical corrosion, ensures that the threaded joint still maintains good sealing performance in harsh environments, prolongs the service life of the joint, and prevents moisture or other liquids from entering the inside of the protection pipe by setting a moisture-proof component, thereby effectively avoiding corrosion and damage of internal components.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a metal threaded sealing joint, comprising a threaded joint body, a sealing mechanism is arranged on the threaded joint body, and a moisture-proof component is arranged on the threaded joint body.

[0009] The sealing mechanism comprises a first mounting groove, a sealing ring, a protective tube, a second mounting groove and a sealing ring, the outer side wall of the threaded joint body is provided with the first mounting groove, the inner side wall of the first mounting groove is provided with the sealing ring, the outer side wall of the threaded joint body is provided with the protective tube, the inner side wall of the protective tube is provided with the second mounting groove, and the inner side wall of the second mounting groove is provided with the sealing ring.

[0010] Preferably, the first mounting groove is symmetrically arranged along the lengthwise central axis of the threaded joint body, and the sealing ring is symmetrically arranged along the lengthwise central axis of the threaded joint body.

[0011] Preferably, the protective tube is symmetrically arranged along the lengthwise central axis of the threaded joint body, the outer side wall of the protective tube is provided with a plurality of second mounting grooves, and the inner side wall of the protective tube is provided with a plurality of sealing rings.

[0012] Preferably, the inner wall size of the first mounting groove is matched with the outer wall size of the sealing ring, and the inner wall size of the second mounting groove is matched with the outer wall size of the sealing ring.

[0013] Preferably, the moisture-proof assembly comprises a first fixing groove, a second fixing groove, a moisture-proof cloth and a fixing block, the inner side wall of the protective tube is provided with the first fixing groove, the inner side wall of the protective tube is provided with the second fixing groove, the inner side wall of the first fixing groove is provided with the moisture-proof cloth, and the outer side wall of the moisture-proof cloth is provided with the fixing block.

[0014] Preferably, the inner wall size of the first fixing groove is matched with the outer wall size of the moisture-proof cloth, and the inner wall size of the second fixing groove is matched with the outer wall size of the fixing block.

[0015] Preferably, the inner side wall of the protective tube is provided with the second fixing groove at equal intervals, and the outer side wall of the moisture-proof cloth is provided with the fixing block at equal intervals.

[0016] Compared with the prior art, the metal threaded sealing joint can maximize the possibility of leakage, effectively prevent the occurrence of leakage, install the protective tube on the outer wall of the threaded joint, protect the thread, effectively resist external physical impact and chemical corrosion, install the sealing ring in the protective tube, improve the sealing effect, ensure that the threaded joint still maintains good sealing performance in a harsh environment, prolong the service life of the joint, reduce the maintenance frequency caused by thread damage, improve the reliability and safety of the joint, prevent water or other liquids from entering the inside of the protective tube through the setting of the moisture-proof assembly, thereby effectively avoiding the corrosion and damage of the internal components, further enhancing the overall stability and reliability of the moisture-proof assembly, prolonging the service life of the joint, and greatly improving the adaptability of the joint in complex environments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole appearance structure schematic view of the utility model;

[0018] Figure 2 It is the whole disassembly structure schematic view of the utility model;

[0019] Figure 3 It is the whole section structure schematic view of the utility model;

[0020] Figure 4 It is the sealing mechanism section structure schematic view of the utility model;

[0021] Figure 5 It is the moisture-proof assembly section structure schematic view of the utility model.

[0022] In the drawing: 1, threaded joint main body; 2, sealing mechanism; 21, first installation groove; 22, sealing ring; 23, protection tube; 24, second installation groove; 25, sealing ring; 3, moisture-proof assembly; 31, first fixed groove; 32, second fixed groove; 33, moisture-proof cloth; 34, fixed block. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a metal threaded sealing joint, including threaded joint main body 1, threaded joint main body 1 is provided with sealing mechanism 2, threaded joint main body 1 is provided with moisture-proof assembly 3;

[0025] The sealing mechanism 2 comprises a first mounting groove 21, a sealing ring 22, a protective tube 23, a second mounting groove 24 and a sealing ring 25, the outer side wall of the threaded joint body 1 is provided with the first mounting groove 21, the inner side wall of the first mounting groove 21 is provided with the sealing ring 22, the outer side wall of the threaded joint body 1 is provided with the protective tube 23, the inner side wall of the protective tube 23 is provided with the second mounting groove 24, and the inner side wall of the second mounting groove 24 is provided with the sealing ring 25. Through the arrangement of the first mounting groove 21, the sealing ring 22, the protective tube 23, the second mounting groove 24 and the sealing ring 25, the sealing ring 22 is mounted on the first mounting groove 21 during use, the first mounting groove 21 adopts a groove structure, so that the sealing ring 22 can be more closely fitted in the groove, thereby minimizing the possibility of leakage, achieving sealing of the threaded joint body 1, the sealing ring 22 is made of high elasticity and aging-resistant material, which can maintain good sealing performance even under long-term use and temperature changes, effectively preventing leakage, the protective tube 23 is mounted on the outer wall of the threaded joint body 1 to protect the threads, which can effectively resist external physical impact and chemical corrosion, a plurality of second mounting grooves 24 are formed in the inner wall of the protective tube 23, and a plurality of sealing rings 25 are mounted in the plurality of second mounting grooves 24, thereby improving the sealing effect and ensuring that the threaded joint body 1 still maintains good sealing performance in harsh environments, prolonging the service life of the joint, reducing the maintenance frequency caused by thread damage, and improving the reliability and safety of the joint.

[0026] Further, the first mounting groove 21 is symmetrically arranged with the lengthwise central axis of the threaded joint body 1, and the sealing ring 22 is symmetrically arranged with the lengthwise central axis of the threaded joint body 1. Through the arrangement of the first mounting groove 21 and the sealing ring 22, the first mounting groove 21 and the sealing ring 22 are arranged on both sides of the threaded joint body 1 during use, thereby achieving sealing of both ends of the threaded joint body 1 and preventing external contaminants from entering the interior, thereby ensuring that the sealing performance of the entire joint is more stable.

[0027] Further, the protective tube 23 is symmetrically arranged with the lengthwise central axis of the threaded joint body 1, the outer side wall of the protective tube 23 is provided with a plurality of second mounting grooves 24, and the inner side wall of the protective tube 23 is provided with a plurality of sealing rings 25. Through the arrangement of the protective tube 23, the second mounting groove 24 and the sealing ring 25, the protective tube 23 arranged at both ends of the threaded joint body 1 can protect the threads at both ends, thereby avoiding damage to the threads caused by external environmental factors, while ensuring that the threaded portion is effectively protected during installation and disassembly. A plurality of second mounting grooves 24 are formed in the inner side wall of the protective tube 23, and a plurality of sealing rings 25 are mounted in the plurality of second mounting grooves 24, thereby further improving the overall sealing effect of the joint and effectively preventing fluid or gas medium from leaking from the thread gap.

[0028] Further, the inner wall size of the first mounting groove 21 matches the outer wall size of the sealing ring 22, the inner wall size of the second mounting groove 24 matches the outer wall size of the sealing ring 25, through the setting of the first mounting groove 21, the sealing ring 22, the second mounting groove 24 and the sealing ring 25, in use, the inner wall size of the first mounting groove 21 matches the outer wall size of the sealing ring 22, which ensures that the sealing ring 22 can closely fit the inner wall size of the first mounting groove 21, also greatly improves the sealing performance of the joint, the inner wall size of the second mounting groove 24 matches the outer wall size of the sealing ring 25, which ensures that the sealing ring 25 can closely fit the inner wall size of the second mounting groove 24, improves the fixing effect and service life of the sealing ring 25.

[0029] Further, the moisture-proof assembly 3 includes a first fixing groove 31, a second fixing groove 32, a moisture-proof cloth 33 and a fixing block 34, the inner side wall of the protection pipe 23 is provided with the first fixing groove 31, the inner side wall of the protection pipe 23 is provided with the second fixing groove 32, the inner side wall of the first fixing groove 31 is installed with the moisture-proof cloth 33, and the outer side wall of the moisture-proof cloth 33 is installed with the fixing block 34, through the setting of the first fixing groove 31, the second fixing groove 32, the moisture-proof cloth 33 and the fixing block 34, in use, the first fixing groove 31 is opened in the inner side wall of the protection pipe 23, the moisture-proof cloth 33 is installed in the first fixing groove 31, which prevents water or other liquids from entering the inside of the protection pipe 23, thereby effectively avoiding the corrosion and damage of the internal components, the fixing block 34 is installed on the outer side wall of the moisture-proof cloth 33 for fixing the moisture-proof cloth 33, and the fixing block 34 is installed in the second fixing groove 32 to fix the moisture-proof cloth 33, preventing it from falling off or wrinkling during use and affecting the moisture-proof effect, further enhancing the overall stability and reliability of the moisture-proof assembly 3, prolonging the service life of the joint, and greatly improving its adaptability in complex environments.

[0030] Further, the inner wall size of the first fixing groove 31 matches the outer wall size of the moisture-proof cloth 33, the inner wall size of the second fixing groove 32 matches the outer wall size of the fixing block 34, through the setting of the first fixing groove 31, the moisture-proof cloth 33, the second fixing groove 32 and the fixing block 34, in use, the inner wall size of the first fixing groove 31 matches the outer wall size of the moisture-proof cloth 33, which can well install the moisture-proof cloth 33 in the first fixing groove 31, the inner wall size of the second fixing groove 32 matches the outer wall size of the fixing block 34, which improves the fixing effect of the fixing block 34 and prevents the moisture-proof cloth 33 from falling off.

[0031] Further, the inner side wall of the protection pipe 23 is provided with second fixing grooves 32 at equal intervals, and the outer side wall of the moisture-proof cloth 33 is provided with fixing blocks 34 at equal intervals, through the arrangement of the protection pipe 23, the second fixing grooves 32 and the moisture-proof cloth 33, the plurality of fixing blocks 34 on the moisture-proof cloth 33 are fixed in the plurality of second fixing grooves 32 in use, so that the moisture-proof cloth 33 is effectively prevented from falling off or wrinkling, and the moisture-proof effect is affected.

[0032] Working principle: first, the sealing ring 22 is installed on the first installation groove 21, the first installation groove 21 adopts a groove structure, so that the sealing ring 22 can be more closely fitted in the groove, and the possibility of leakage is minimized, the sealing of the threaded joint body 1 is realized, the sealing ring 22 is made of high elasticity and aging-resistant material, even in the case of long-term use and temperature change, it can also maintain good sealing performance, effectively prevent the leakage phenomenon, the protection pipe 23 is installed on the outer wall of the threaded joint body 1 to protect the thread, which can effectively resist external physical impact and chemical corrosion, a plurality of second installation grooves 24 are arranged on the inner wall of the protection pipe 23, and a sealing ring 25 is arranged in each second installation groove 24, so as to improve the sealing effect and ensure that the threaded joint body 1 still maintains good sealing performance in harsh environments, prolong the service life of the joint, reduce the maintenance frequency caused by the damage of the thread, improve the reliability and safety of the joint, then the first fixing groove 31 is arranged on the inner side wall of the protection pipe 23, the moisture-proof cloth 33 is arranged in the first fixing groove 31, so as to prevent water or other liquids from entering the inside of the protection pipe 23, thereby effectively avoiding the corrosion and damage of the internal components, the fixing block 34 is arranged on the outer side wall of the moisture-proof cloth 33, and the moisture-proof cloth 33 is fixed by the fixing block 34, the fixing block 34 is arranged in the second fixing groove 32 to fix the moisture-proof cloth 33, so as to prevent the moisture-proof cloth 33 from falling off or wrinkling in use and affecting the moisture-proof effect, further enhance the overall stability and reliability of the moisture-proof assembly 3, prolong the service life of the joint, and greatly improve the adaptability of the joint in complex environments.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A metal threaded sealing joint comprising a threaded joint body (1), characterized in that: The threaded joint body (1) is provided with a sealing mechanism (2), and the threaded joint body (1) is provided with a moisture-proof assembly (3); the sealing mechanism (2) comprises a first mounting groove (21), a sealing ring (22), a protection pipe (23), a second mounting groove (24) and a sealing ring (25), the outer side wall of the threaded joint body (1) is provided with the first mounting groove (21), the inner side wall of the first mounting groove (21) is provided with the sealing ring (22), the outer side wall of the threaded joint body (1) is provided with the protection pipe (23), the inner side wall of the protection pipe (23) is provided with the second mounting groove (24), and the inner side wall of the second mounting groove (24) is provided with the sealing ring (25).

2. A metal threaded sealing joint according to claim 1, characterized in that: The first mounting groove (21) is symmetrically arranged along the lengthwise central axis of the threaded joint body (1), and the sealing ring (22) is symmetrically arranged along the lengthwise central axis of the threaded joint body (1).

3. A metal threaded sealing joint according to claim 1, characterized in that: The protection pipe (23) is symmetrically arranged along the lengthwise central axis of the threaded joint body (1), the outer side wall of the protection pipe (23) is provided with a plurality of second mounting grooves (24), and the inner side wall of the protection pipe (23) is provided with a plurality of sealing rings (25).

4. A metal threaded sealing joint according to claim 1, characterized in that: The inner wall size of the first mounting groove (21) is matched with the outer wall size of the sealing ring (22), and the inner wall size of the second mounting groove (24) is matched with the outer wall size of the sealing ring (25).

5. A metal threaded sealing joint according to claim 1, characterized in that: The moisture-proof assembly (3) comprises a first fixing groove (31), a second fixing groove (32), a moisture-proof cloth (33) and a fixing block (34), the inner side wall of the protection pipe (23) is provided with the first fixing groove (31), the inner side wall of the protection pipe (23) is provided with the second fixing groove (32), the inner side wall of the first fixing groove (31) is provided with the moisture-proof cloth (33), and the outer side wall of the moisture-proof cloth (33) is provided with the fixing block (34).

6. A metal threaded sealing joint according to claim 5, characterized in that: The inner wall size of the first fixing groove (31) is matched with the outer wall size of the moisture-proof cloth (33), and the inner wall size of the second fixing groove (32) is matched with the outer wall size of the fixing block (34).

7. A metal threaded sealing joint according to claim 5, characterized in that: The inner side wall of the protection pipe (23) is provided with the second fixing groove (32) at equal intervals, and the outer side wall of the moisture-proof cloth (33) is provided with the fixing block (34) at equal intervals.

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