Underwater injection hot plug structure

Abstract

The utility model discloses an underwater water injection hot plug structure, which comprises a hot plug male head assembly, a hot plug male head blind plug assembly and a hot plug female head assembly, the hot plug male head assembly is internally provided with a first water injection channel, and the hot plug female head assembly is internally provided with a second water injection channel. The hot plug male head assembly is rotatably sleeved on the hot plug female head assembly to enable the first water injection channel to be communicated with the second water injection channel to complete water injection work, a test hole is formed in the hot plug male head blind plug assembly, and the hot plug male head blind plug assembly is rotatably sleeved on the hot plug female head assembly to enable the test hole to be connected with the second water injection channel to complete water injection work. And the sealing performance of the hot plug female head assembly is detected. According to the underwater water injection hot plug structure, underwater connection in a deep water area can be achieved, working efficiency is improved, the parts of the underwater water injection hot plug structure are high in interchangeability, the structure is simple, and engineering project cost is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of underwater pressure vessel design and manufacturing, in particular to an underwater water injection hot plug structure. Background Art

[0002] The water injection pressure test quick connector is a connector widely used in deep water (ROV operation is required). It is an indispensable connector for underwater equipment such as water injection caps and underwater ball receiving and sending devices. At present, this type of connector technology is blank in China.

[0003] At present, domestic underwater connections are still flange connections or union connections, which are suitable for shallow water and cannot meet the needs of deep water use. Deepwater connector technology is in a blank state. In the existing technology, underwater flange connections or union connections are inefficient, time-consuming and labor-intensive.

[0004] Therefore, it is urgent to design an underwater water injection hot plug structure to solve the problems of low underwater connection efficiency, time-consuming and labor-intensive of the water injection pressure test quick connector mentioned above. Utility Model Content

[0005] In order to solve the technical problem that the underwater connection mentioned in the background technology is still in flange connection or union connection, an underwater water injection hot plug structure is provided to solve the problem that the underwater connection efficiency of the water injection pressure test quick connector is low and time-consuming and labor-intensive.

[0006] To achieve the above purpose, the specific technical scheme of the underwater water injection hot plug structure of the utility model is as follows:

[0007] An underwater water-injection hot-swap structure comprises a hot-swap male head assembly, a hot-swap male head blind plug assembly and a hot-swap female head assembly. A first water injection channel is provided inside the hot-swap male head assembly, a second water injection channel is provided inside the hot-swap female head assembly, the hot-swap male head assembly is rotatably sleeved on the hot-swap female head assembly to connect the first water injection channel with the second water injection channel to complete the water injection work, a test hole is provided in the hot-swap male head blind plug assembly, the hot-swap male head blind plug assembly is rotatably sleeved on the hot-swap female head assembly to connect the test hole with the second water injection channel to detect the sealing of the hot-swap female head assembly.

[0008] Furthermore, the hot-swappable female connector assembly includes a female connector body and a welding tube. A water inlet hole is opened on the side wall of the female connector body. The welding tube is connected to the water inlet hole to form a second water injection channel. The first water injection channel is connected to the welding tube through the water inlet hole so that water flows into the welding tube through the first water injection channel.

[0009] Furthermore, the test hole of the hot-swappable male blind plug assembly is connected to the welding pipe through the water inlet hole to detect the air tightness of the overall space between the female body and the welding pipe.

[0010] Further, the hot-swap male assembly or the hot-swap male blind plug assembly is rotated relative to the hot-swap female assembly so that the hot-swap male assembly or the hot-swap blind plug assembly is installed on the hot-swap female assembly.

[0011] Furthermore, the hot-swappable male connector assembly also includes a first connecting rod, which is horizontally arranged on the hot-swappable male connector assembly. The hot-swappable male connector assembly is inserted into one end of a female connector body provided with an L-shaped locking mechanism. The first connecting rod is locked with the L-shaped locking mechanism to fix the hot-swappable male connector assembly to the female connector body.

[0012] Furthermore, two L-shaped locking mechanisms are provided at one end of the female head body, and the two ends of the first connecting rod are respectively inserted into the two L-shaped locking mechanisms. The first connecting rod is rotated axially around the female head body so that the two ends of the first connecting rod are respectively locked with the two L-shaped locking mechanisms.

[0013] Furthermore, the hot-swappable male connector assembly includes a first arc guide head and a male connector body. The first arc guide head is threaded on one end of the male connector body. The male connector body is provided with one end of the first arc guide head inserted into the female connector body so that the male connector body can be inserted into the female connector body.

[0014] Furthermore, the hot-swappable male blind plug assembly includes a second arc guide head and a male blind plug body. The second arc guide head is screwed on one end of the male blind plug body. The male blind plug body is provided with an end of the second arc guide head inserted into the female body so that the male blind plug body can be inserted into the female body.

[0015] Furthermore, the hot-swappable male connector assembly also includes two first sealing rings, which are spaced apart on the sealing groove of the male connector body. The water injection hole is arranged between the two first sealing rings, and the water injection hole is connected to the welding pipe so that the male connector body can inject water into the welding pipe.

[0016] Furthermore, the hot-swappable male blind plug assembly also includes two second sealing rings, which are spaced apart on the sealing groove of the male blind plug body. The test hole is arranged between the two second sealing rings, and the test hole is connected to the welding pipe to detect the overall space air tightness of the female body and the welding pipe.

[0017] The underwater water injection hot plug structure of the utility model has the following advantages:

[0018] The hot-swap male assembly is rotatably sleeved on the hot-swap female assembly to connect the first water injection channel with the second water injection channel to complete the water injection work. The hot-swap male blind plug assembly is provided with a test hole. The hot-swap male blind plug assembly is rotatably sleeved on the hot-swap female assembly to connect the test hole with the second water injection channel to detect the sealing of the hot-swap female assembly. The underwater water injection hot-swap structure can realize underwater connection in deep water areas, improve work efficiency, and the underwater water injection hot-swap structure has strong interchangeability of parts and components, and has a simple structure, which effectively reduces the cost of engineering projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the underwater water injection hot plug structure of the utility model;

[0020] Figure 2 It is a front view of the hot-swap male plug assembly of the underwater water-injection hot-swap structure of the utility model;

[0021] Figure 3 It is a front view of the hot-swap male blind plug assembly of the underwater water injection hot-swap structure of the utility model;

[0022] Figure 4 It is a front view of the hot-swap female head assembly of the underwater water injection hot-swap structure of the utility model.

[0023] Description of the markings in the figure:

[0024] 1. Female body; 2. Welding pipe; 3. Male body; 41. First connecting rod; 42. Second connecting rod; 51. First fixing ring; 52. Second fixing ring; 6. L-shaped locking mechanism; 71. First arc guide head; 72. Second arc guide head; 8. Union; 91. First sealing ring; 92. Second sealing ring; 10. ROV handle; 11. Sealing interface; 12. Male blind plug body. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0026] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0027] Please refer to the attached Figure 1 To Attachment Figure 4 The utility model is described as an underwater water injection hot plug structure.

[0028] like Figure 1 As shown, the underwater water injection hot plug structure in the utility model includes a hot plug male assembly, a hot plug male blind plug assembly and a hot plug female assembly, a first water injection channel is provided inside the hot plug male assembly, a second water injection channel is provided inside the hot plug female assembly, the hot plug male assembly is rotatably sleeved on the hot plug female assembly to connect the first water injection channel with the second water injection channel to complete the water injection work, a test hole is provided in the hot plug male blind plug assembly, the hot plug male blind plug assembly is rotatably sleeved on the hot plug female assembly to connect the test hole with the second water injection channel to detect the sealing of the hot plug female assembly. The hot plug male assembly is rotatably sleeved on the hot plug female assembly to connect the first water injection channel with the second water injection channel to complete the water injection work, a test hole is provided in the hot plug male blind plug assembly, the hot plug male blind plug assembly is rotatably sleeved on the hot plug female assembly to connect the test hole with the second water injection channel to detect the sealing of the hot plug female assembly. The underwater water injection hot-swap structure can realize underwater connection in deep water areas, improve work efficiency, and the components of the underwater water injection hot-swap structure are highly interchangeable and have a simple structure, which effectively reduces the cost of engineering projects.

[0029] Further, if Figure 4 As shown, the hot-swappable female connector assembly includes a female connector body 1 and a welding pipe 2. A water inlet hole is provided on the side wall of the female connector body 1. The welding pipe 2 is connected to the water inlet hole to form a second water injection channel. The first water injection channel is connected to the welding pipe 2 through the water inlet hole, so that water flows into the welding pipe 2 through the first water injection channel. The test hole of the hot-swappable male connector blind plug assembly is connected to the welding pipe 2 through the water inlet hole to detect the air tightness of the overall space between the female connector body 1 and the welding pipe 2. In this embodiment, the welding pipe 2 is hollow inside and water can flow and be injected. The other end of the welding pipe 2 is welded to the terminal device for fixed use. The female connector body 1 and the welding pipe 2 are both made of corrosion-resistant alloy to improve the stability of use and extend the service life.

[0030] Further, if Figure 2 and Figure 3As shown, the hot-swappable male head assembly or the hot-swappable male head blind plug assembly rotates relative to the hot-swappable female head assembly so that the hot-swappable male head assembly or the hot-swappable blind plug assembly is installed on the hot-swappable female head assembly. The hot-swappable male head assembly also includes a first connecting rod 41, and the first connecting rod 41 is horizontally arranged on the hot-swappable male head assembly. The hot-swappable male head assembly is inserted into the female head body 1 and one end of the L-shaped locking mechanism 6 is provided. The first connecting rod 41 is locked with the L-shaped locking mechanism 6 to fix the hot-swappable male head assembly with the female head body 1. Two L-shaped locking mechanisms 6 are provided at one end of the female head body 1. The two ends of the first connecting rod 41 are respectively inserted into the two L-shaped locking mechanisms 6. The first connecting rod 41 is rotated axially around the female head body 1 so that the two ends of the first connecting rod 41 are respectively locked with the two L-shaped locking mechanisms 6. In this embodiment, the first fixing ring 51 is fixed to the hot-swappable male head assembly by a first bolt fastener, and the first connecting rod 41 is plugged into the first fixing ring 51. An ROV handle 10 is provided at one end of the first connecting rod 41. The ROV grasps the ROV handle 10 and rotates it clockwise by 20-40 degrees, so that the first fixing ring 51 provided with the first connecting rod 41 completes the locking with the two L-shaped locking mechanisms 6 at one end of the female head body 1, thereby realizing the locking and use of the female head body 1 and the hot-swappable male head assembly. Conversely, the ROV grasps the ROV handle 10 and rotates it counterclockwise by 20-40 degrees to realize the separation of the female head body and the hot-swappable male head assembly; the hot-swappable male head blind plug assembly also includes a second connecting rod 42, which is horizontally arranged on the hot-swappable male head blind plug assembly, and the hot-swappable male head blind plug assembly is inserted into the female head body 1 and is provided with two L-shaped locks At one end of the tightening mechanism 6, both ends of the second connecting rod 42 are respectively locked with the two L-shaped locking mechanisms 6 to fix the hot-swappable male blind plug assembly with the female body 1, and the second fixing ring 52 is fixed to the hot-swappable male blind plug assembly by a second bolt fastener, and the second connecting rod 42 is plugged into the second fixing ring 52 to realize the connection between the hot-swappable male blind plug assembly and the female body; an ROV handle 10 is provided at one end of the second connecting rod 42, and the ROV grasps the ROV handle 10 and rotates it clockwise by 20-40 degrees, so that the second fixing ring 52 provided with the second connecting rod 42 is locked with the two L-shaped locking mechanisms 6, so as to realize the locking and use of the female body 1 and the hot-swappable male blind plug assembly, and vice versa, the ROV grasps the ROV handle 10 and rotates it counterclockwise by 20-40 degrees to realize the separation of the female body 1 and the hot-swappable male blind plug assembly.

[0031] Further, if Figure 2 and Figure 3As shown, the hot-swappable male connector assembly includes a first arc guide head 71 and a male connector body 3, the first arc guide head 71 is screwed on one end of the male connector body 3, the male connector body 3 is provided with an end of the first arc guide head 71 inserted into the female connector body 1, so that the male connector body 3 can be quickly inserted into the female connector body 1, and the hot-swappable male connector blind plug assembly includes a second arc guide head 72 and a male connector blind plug body 12, the second arc guide head 72 is screwed on one end of the male connector blind plug body 12, the male connector blind plug body 12 is provided with an end of the second arc guide head 72 inserted into the female connector body 1, so that the male connector blind plug body 12 can be quickly inserted into the female connector body. In this embodiment, the first arc guide head 71 can facilitate the insertion of the male body 3 into the female body 1. The material of the first arc guide head 71 has low hardness and can protect the sealing surface of the inner cavity of the female body 1; the other end of the male body 3 has a 1-3 inch union 8 threaded interface and a 1-3 inch union sealing ring mounting surface to realize the connection between the water injection pipe and the male body 3 to complete water injection; the second arc guide head 72 can facilitate the insertion of the male blind plug body 12 into the female body 1. The material of the second arc guide head 72 has low hardness and can protect the sealing surface of the inner cavity of the female body 1; a sealing interface 11 is provided at one end of the male blind plug body 12 away from the second arc guide head 72 to realize a sealed connection to the female body 1 through the male blind plug body 12.

[0032] Further, if Figure 2 and Figure 3 As shown, the hot-swappable male plug assembly also includes two first sealing rings 91, which are spaced apart on the sealing groove of the male plug body 3, and the water injection hole is arranged between the two first sealing rings 91, and the water injection hole is connected to the welding pipe 2, so that the male plug body 3 can inject water into the welding pipe 2, and the hot-swappable male plug assembly also includes two second sealing rings 92, which are spaced apart on the sealing groove of the male plug body 12, and the test hole is arranged between the two second sealing rings 92, and the test hole is connected to the welding pipe 2 to detect the air tightness of the overall space between the female plug body 1 and the welding pipe 2. In this embodiment, the two first sealing rings 91 are spaced apart on the sealing groove of the male plug body 3 to form a sealed space with the inner cavity of the female plug body 1; a water injection hole is arranged between the first sealing rings 91 spaced apart on the outer wall of the male plug body 3, and the water injection hole corresponds to the welding pipe 2 on the female plug body 1, so that the injected water flows into the welding pipe 2 through the water injection hole of the male plug body 3 to complete the water injection work. Two second sealing rings 92 are arranged at intervals on the sealing groove of the male blind plug body 12 to form a sealed space with the inner cavity of the female body 1. A test hole is provided between the second sealing rings 92 arranged at intervals on the outer wall of the male blind plug body 12 to detect the overall airtightness of the female body 1 after the male blind plug body 12 is inserted into the female body 1.

[0033] The working principle of the underwater water injection hot plug structure in the utility model is as follows:

[0034] After the male body 3 is inserted into the female body 1, the ROV grasps the ROV handle 10 and rotates the male body 3 clockwise, so that the first fixing ring 51 provided with the first connecting rod 41 is locked with the L-shaped locking mechanism 6 of the female body 1. At this time, the male body 3 and the female body 1 form a closed space, and the male body 3 is provided with a first water injection channel, so that the injection is realized from the male body 3 to the welding pipe 2 to complete the water injection; when the water injection is completed, the ROV grasps the ROV handle 10 and rotates the male body 3 counterclockwise to separate the male body 3 from the female body 1. Then insert the male blind plug body 12 into the female body 1, and the ROV grasps the ROV handle 10 and rotates the male body 3 clockwise to make the second fixing ring 52 provided with the second connecting rod 42 complete the locking with the L-shaped locking mechanism 6 of the female body 1. At this time, the male blind plug body 12 and the female body 1 form a closed space, and a sealing interface is provided at one end of the male blind plug body 12 to realize the sealing of the female body 1 by the male blind plug body 12 after water injection. The male blind plug body 12 is provided with a test hole to detect the overall airtightness of the female body 1.

[0035] Based on the underwater water injection hot plug structure, the utility model completes the water injection work by rotating the hot plug male assembly on the hot plug female assembly to connect the first water injection channel with the second water injection channel, and the hot plug male blind plug assembly is provided with a test hole, and the hot plug male blind plug assembly is rotatably sleeved on the hot plug female assembly to connect the test hole with the second water injection channel to detect the sealing of the hot plug female assembly. The underwater water injection hot plug structure can realize underwater connection in deep water areas, improve work efficiency, and the underwater water injection hot plug structure has strong interchangeability of parts and components, and has a simple structure, which effectively reduces the cost of engineering projects.

[0036] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An underwater water injection hot-swap structure, characterized in that: It includes a hot-swap male head component, a hot-swap male head blind plug component and a hot-swap female head component. The hot-swap male head component is provided with a first water injection channel inside, the hot-swap female head component is provided with a second water injection channel inside, the hot-swap male head component is rotatably sleeved on the hot-swap female head component to connect the first water injection channel with the second water injection channel to complete the water injection work, the hot-swap male head blind plug component is provided with a test hole, the hot-swap male head blind plug component is rotatably sleeved on the hot-swap female head component to connect the test hole with the second water injection channel to detect the sealing of the hot-swap female head component.

2. The underwater water injection hot-swap structure according to claim 1, characterized in that: The hot-swappable female connector assembly includes a female connector body and a welding tube. A water inlet hole is opened on the side wall of the female connector body. The welding tube is connected to the water inlet hole to form a second water injection channel. The first water injection channel is connected to the welding tube through the water inlet hole so that water flows into the welding tube through the first water injection channel.

3. The underwater water injection hot-swap structure according to claim 1, characterized in that: The test hole of the hot-swappable male blind plug assembly is connected to the welding pipe through the water inlet hole to detect the air tightness of the overall space between the female body and the welding pipe.

4. The underwater water injection hot-swap structure according to claim 1, characterized in that: The hot-swap male assembly or the hot-swap male blind plug assembly is rotated relative to the hot-swap female assembly so that the hot-swap male assembly or the hot-swap blind plug assembly is installed on the hot-swap female assembly.

5. The underwater water injection hot-swap structure according to claim 1, characterized in that: The hot-swappable male connector assembly also includes a first connecting rod, which is horizontally arranged on the hot-swappable male connector assembly. The hot-swappable male connector assembly is inserted into one end of a female connector body provided with an L-shaped locking mechanism. The first connecting rod is locked with the L-shaped locking mechanism to fix the hot-swappable male connector assembly to the female connector body.

6. The underwater water injection hot-swap structure according to claim 2, characterized in that: Two L-shaped locking mechanisms are provided at one end of the female body, and the two ends of the first connecting rod are respectively inserted into the two L-shaped locking mechanisms. The first connecting rod is rotated axially around the female body so that the two ends of the first connecting rod are respectively locked with the two L-shaped locking mechanisms.

7. The underwater water injection hot-swap structure according to claim 5, characterized in that: The hot-swap male plug assembly includes a first arc guide head and a male plug body. The first arc guide head is screwed on one end of the male plug body. The male plug body is provided with one end of the first arc guide head inserted into the female plug body so that the male plug body is inserted into the female plug body.

8. The underwater water injection hot-swap structure according to claim 4, characterized in that: The hot-swappable male blind plug assembly includes a second arc guide head and a male blind plug body. The second arc guide head is screwed on one end of the male blind plug body. The male blind plug body is provided with an end of the second arc guide head inserted into the female body so that the male blind plug body can be inserted into the female body.

9. The underwater water injection hot-swap structure according to claim 7, characterized in that: The hot-swappable male plug assembly also includes two first sealing rings, which are spaced apart on the sealing groove of the male plug body. The water injection hole is arranged between the two first sealing rings, and the water injection hole is connected to the welding pipe so that the male plug body can inject water into the welding pipe.

10. The underwater water injection hot-swap structure according to claim 8, characterized in that: The hot-swappable male blind plug assembly also includes two second sealing rings, which are spaced apart on the sealing groove of the male blind plug body. The test hole is arranged between the two second sealing rings, and the test hole is connected to the welding pipe to detect the overall air tightness of the space between the female body and the welding pipe.

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