Anti-loosening waterproof guide pipe threaded connection joint

Abstract

The utility model belongs to the technical field of ocean engineering and energy exploitation, and particularly relates to an anti-loosening waterproof guide pipe threaded connection joint which comprises a first guide pipe and a second guide pipe, a female joint and a male joint are arranged at the two ends of the first guide pipe, and internal threads are arranged in one end of the female joint. An external thread is arranged on the outer side of one end of the male connector, fixing rings are fixedly connected to the two ends of the first guide pipe, a clamping structure is arranged on the right side of the external thread, and the first guide pipe and the second guide pipe are reinforced through a fastening mechanism. According to the anti-loosening waterproof guide pipe threaded connection joint, the clamping structures are arranged on the two sides of the right side of the outer thread correspondingly, the stability and reliability of connection are enhanced, the clamping grooves formed in the guide pipe are accurately matched with the clamping blocks in the clamping structures, and the stability and sealing performance of connection are ensured; the firm connection between the guide pipes can be realized, and the looseness caused by vibration or impact can be effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of marine engineering and energy exploitation, in particular to a loose-proof waterproof conduit threaded connection joint. Background Art

[0002] Offshore oil drilling platforms are one of the important links in the process of offshore energy development and collection. In offshore oil drilling platforms, watertight pipes extending to the seabed are set in multiple wellheads to extract and transport oil. Since the length of watertight pipes is limited during the production process, multiple watertight pipes need to be connected through connectors during actual use. Existing watertight pipe connectors usually adopt threaded connection.

[0003] A Chinese patent with publication number CN105888573B discloses a threaded connection joint for a watertight conductor, including a male joint and a female joint corresponding to each other, both of which adopt a pipe fitting structure, the end of the male joint is provided with an external thread, the end of the female joint is provided with an internal thread, the male joint extends into the interior of the female joint, and is connected to the female joint by a thread; in the threaded connection joint for a watertight conductor, at least one locking groove is provided on the male joint, and a locking end body is provided in the locking groove body, and the locking end body is connected to the male joint by a locking bolt; when the male joint and the female joint are in a connected state, the locking end body is fitted on the end face of the female joint.

[0004] The above-mentioned prior art solutions have the following defects: in applications such as marine engineering and oil drilling, the threaded connection joints of the watertight pipe may be subjected to continuous vibration and impact. These vibrations and impacts may cause slight loosening between the threads, thereby affecting the stability of the connection.

[0005] Therefore, we propose an anti-loosening watertight conduit threaded connection joint to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a waterproof pipe threaded connection joint that prevents loosening, so as to solve the problem of loosening between threads caused by vibration and impact proposed in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a threaded connection joint for waterproof riser that prevents loosening, comprising a first pipe and a second pipe, a female joint and a male joint are arranged at both ends of the first pipe, an internal thread is arranged inside one end of the female joint, an external thread is arranged outside one end of the male joint, a fixing ring is fixedly connected at both ends of the first pipe, a clamping structure is arranged on the right side of the external thread, and the first pipe and the second pipe are reinforced by a fastening mechanism;

[0008] The clamping structure includes a connecting rod, a clamping block, a placement block and a spring. The placement block is fixedly connected to the outward side of the connecting rod, the spring is arranged inside the placement block, one end of the spring is fixedly connected to the clamping block, and the clamping block is movably connected to the inside of the placement block.

[0009] Preferably, the first conduit and the second conduit have the same structure. Since the two conduits have the same structure, they can be manufactured using the same mold and process, which reduces production costs. At the same time, it is more convenient when replacing or repairing because the two conduits can be used interchangeably.

[0010] Preferably, there are two groups of the clamping structures, which are respectively arranged on both sides of the right side of the external thread, thereby enhancing the stability and reliability of the connection and preventing loosening or deviation when subjected to external force.

[0011] Preferably, a slot corresponding to the block is provided inside the conduit, ensuring accurate matching and stable connection of the clamping structure. When the block is inserted into the slot, a firm connection between the conduits can be achieved to prevent loosening due to vibration or impact.

[0012] Preferably, the male connector of the first conduit extends into the female connector of the second conduit, and is connected to the female connector via threads, and the threaded connection has the advantages of simple structure, high reliability, and convenient installation and disassembly. Through the threaded connection, the conduits can be tightly connected and have good sealing performance.

[0013] Preferably, the fastening mechanism includes a first fastening block, a second fastening block, an arc groove, a groove, a bolt and a fastening nut, the two arc grooves are respectively opened below the first fastening block and above the second fastening block, the grooves are respectively opened inside the arc grooves, the bolt is threadedly connected to the first fastening block and the second fastening block, and the fastening nut is threadedly connected to the bottom of the bolt, providing additional fastening force and further enhancing the stability and reliability of the connection. Through the cooperation of the bolt and the fastening nut, the catheters can be tightly fixed to prevent loosening caused by vibration or impact.

[0014] Preferably, a gasket is connected to the connection between the external thread and the male connector, and the gasket can provide a leakproof sealing layer between the threads to improve the sealing performance of the connection. At the same time, the gasket can also increase the elasticity of the threaded connection to prevent loosening due to vibration or impact.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The anti-loosening waterproof pipe threaded connection joint has a clamping structure on both sides of the right side of the external thread, which enhances the stability and reliability of the connection. The clamping groove inside the pipe and the clamping block in the clamping structure are precisely matched to ensure the stability and sealing of the connection. When the clamping block is inserted into the clamping groove, a firm connection between the pipes can be achieved, effectively preventing loosening caused by vibration or impact.

[0017] 2. The anti-loosening watertight conductor threaded connection joint provides additional fastening force for the conductor connection through a fastening mechanism consisting of a first fastening block, a second fastening block, an arc groove, a groove, bolts and a fastening nut, further enhancing the stability and reliability of the connection and effectively preventing loosening caused by vibration or impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall side structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the catheter structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the fastening mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the clamping structure of the utility model.

[0023] In the figure: 1 first conduit, 101 internal thread, 102 external thread, 2 second conduit, 3 fixing ring, 4 fastening mechanism, 401 first fastening block, 402 second fastening block, 403 arc groove, 404 groove, 5 bolts, 6 fastening nuts, 7 connecting rod, 701 clamping block, 702 spring, 703 placement block, 8 gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0026] Embodiment 1:

[0027] A threaded connection joint for waterproof conductors that prevents loosening includes a first conductor 1 and a second conductor 2. A female connector and a male connector are provided at both ends of the first conductor 1. An internal thread 101 is provided inside one end of the female connector, and an external thread 102 is provided outside one end of the male connector. A gasket 8 is connected to the connection between the external thread 102 and the male connector. The gasket 8 provides a leakproof sealing layer between the threads, which effectively improves the sealing performance of the connection. The gasket 8 can also increase the elasticity of the threaded connection and help prevent loosening due to vibration or impact. A fixing ring 3 is fixedly connected at both ends of the first conductor 1. A clamping structure is provided on the right side of the external thread 102. The first conductor 1 and the second conductor 2 are reinforced by a fastening mechanism 4. The male connector of the first conductor 1 extends to the inside of the female connector of the second conductor 2, and is connected to the female connector by threads. The threaded connection can achieve a tight connection between the conductors with good sealing performance. The first conductor 1 and the second conductor 2 have the same structure.

[0028] The clamping structure includes a connecting rod 7, a clamping block 701, a placement block 703 and a spring 702. The placement block 703 is fixedly connected to the outward side of the connecting rod 7. The spring 702 is arranged inside the placement block 703. One end of the spring 702 is fixedly connected to the clamping block 701. The clamping block 701 is movably connected to the inside of the placement block 703. A clamping groove corresponding to the clamping block 701 is provided inside the catheter. There are two groups of clamping structures, which are respectively arranged on both sides of the right side of the external thread 102. The two groups of clamping structures fix the catheter from two directions respectively, thereby enhancing the stability and reliability of the connection. The precise matching of the clamping block and the clamping groove ensures the stability and sealing of the connection, and effectively prevents loosening caused by vibration or impact.

[0029] Embodiment 2:

[0030] On the basis of the first embodiment, the fastening mechanism 4 includes a first fastening block 401, a second fastening block 402, an arc groove 403, a groove 404, a bolt 5 and a fastening nut 6. The two arc grooves 403 are respectively opened below the first fastening block 401 and above the second fastening block 402, and the grooves 404 are respectively opened inside the arc grooves 403. The bolt 5 is threadedly connected to the first fastening block 401 and the second fastening block 402, and the fastening nut 6 is threadedly connected to the bottom of the bolt 5. The fastening mechanism provides additional fastening force for the catheter connection, further enhancing the stability and reliability of the connection.

[0031] Working principle: Insert the male connector of the first conduit 1 into the female connector of the second conduit 2, and rotate the male connector so that the external thread 102 and the internal thread 101 are tightly engaged. The gasket 8 is located at the connection between the external thread 102 and the male connector, which provides a leak-proof sealing layer between the threads, effectively improving the sealing performance of the connection. When the external thread 102 of the first conduit 1 is threaded to the deepest position with the internal thread 101, the block 701 in the clamping structure will be clamped into the corresponding clamping groove inside the conduit under the action of the spring 702. The two sets of clamping structures fix the conduit from two directions respectively, which enhances the stability and reliability of the connection.

[0032] At the same time, a fastening mechanism 4 is installed at the connection between the first conduit 1 and the second conduit 2, and the fixing ring 3 on the right side of the first conduit 1 and the fixing ring 3 on the left side of the second conduit are placed in the arc groove 403 in the second fastening block 402. At this time, the fixing ring 3 is fixed inside the groove 404. Repeat the above steps to place the first fastening block 401 above the second fastening block 402, and connect them with the bolt 5, and then rotate the fastening nut 6 until it is in close contact with the bottom of the second fastening block 402.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A loose-proof waterproof pipe threaded connection joint, comprising a first pipe (1) and a second pipe (2), characterized in that: The first conduit (1) is provided with a female connector and a male connector at both ends, an internal thread (101) is provided inside one end of the female connector, and an external thread (102) is provided outside one end of the male connector, a fixing ring (3) is fixedly connected at both ends of the first conduit (1), a clamping structure is provided on the right side of the external thread (102), and the first conduit (1) and the second conduit (2) are reinforced by a fastening mechanism (4); The clamping structure comprises a connecting rod (7), a clamping block (701), a placement block (703) and a spring (702); the placement block (703) is fixedly connected to the outward side of the connecting rod (7); the spring (702) is arranged inside the placement block (703); one end of the spring (702) is fixedly connected to the clamping block (701); and the clamping block (701) is movably connected to the inside of the placement block (703).

2. The anti-loosening watertight pipe threaded connection joint according to claim 1, characterized in that: The first conduit (1) and the second conduit (2) have the same structure.

3. The anti-loosening watertight pipe threaded connection joint according to claim 1, characterized in that: There are two groups of the clamping structures, which are respectively arranged on the two sides of the right side of the external thread (102).

4. The anti-loosening threaded connection joint of a watertight pipe according to claim 1, characterized in that: A card slot corresponding to the card block (701) is provided inside the conduit.

5. The anti-loosening watertight pipe threaded connection joint according to claim 1, characterized in that: The male connector of the first conduit (1) extends into the interior of the female connector of the second conduit (2), and is connected to the female connector via a thread.

6. The anti-loosening threaded connection joint of the watertight pipe according to claim 1, characterized in that: The fastening mechanism (4) comprises a first fastening block (401), a second fastening block (402), an arc-shaped groove (403), a groove (404), a bolt (5) and a fastening nut (6); the two arc-shaped grooves (403) are respectively arranged below the first fastening block (401) and above the second fastening block (402); the grooves (404) are respectively arranged inside the arc-shaped grooves (403); the bolt (5) is threadedly connected to the first fastening block (401) and the second fastening block (402); and the fastening nut (6) is threadedly connected to the bottom of the bolt (5).

7. The anti-loosening threaded connection joint of a watertight pipe according to claim 1, characterized in that: A gasket (8) is connected between the external thread (102) and the male connector.

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