Marine engine double-layer fuel pipe joint

Abstract

The utility model discloses a marine engine double -deck fuel pipe joint belongs to fuel pipeline technical field, solves the joint of existing double -deck fuel pipeline and can not discover the problem whether the inner layer pipeline exists leak. The marine engine double -deck fuel pipe joint, including the joint body, be equipped with L type's gas main pipeline in the joint body, the one end of gas main pipeline is gas inlet, the other end of gas main pipeline is gas outlet, be equipped with first purging channel on the joint body, one end of first purging channel is equipped with the second purging channel of intercommunication with it, one end of second purging channel extends to the end face of joint body, be equipped with a plurality of first connecting channel that is circumferential equidistance arrangement in first annular groove, first connecting channel with second purging channel intercommunication. The utility model discloses a marine engine double -deck fuel pipe joint, improves the security of working environment.

Description

Technical Field

[0001] This utility model relates to the field of fuel pipeline technology, and more specifically, to a double-layer fuel pipe joint for marine engines. Background Technology

[0002] To enhance safety during marine engine operation, the fuel delivery pipelines are typically double-layered. These double-layered fuel pipelines are usually connected by flanges or specialized double-layered fuel pipe fittings. This connection method offers advantages such as easy installation, good sealing, and strong adaptability. It also facilitates the disassembly and assembly of the double-layered fuel pipelines, making maintenance and repair easier.

[0003] However, the joints of existing double-layer fuel pipelines cannot detect leaks in the inner layer in a timely manner, which can easily lead to safety accidents such as fires. Utility Model Content

[0004] The technical problem to be solved by this utility model is to address the above-mentioned shortcomings of the prior art by providing a double-layer fuel pipe joint for marine engines, which can effectively prevent the occurrence of safety accidents such as fires and greatly improve the safety of the working environment.

[0005] The technical solution of this utility model is as follows: a double-layer fuel pipe connector for a marine engine, comprising a connector body, wherein an L-shaped main gas pipeline is provided within the connector body, one end of the main gas pipeline is a gas inlet, and the other end of the main gas pipeline is a gas outlet, wherein a first purging channel is provided within the connector body, and a second purging channel is provided at one end of the first purging channel and communicating with it, wherein one end of the second purging channel extends to the end face of the connector body, and a first annular groove is provided on the connector body surrounding the gas inlet, wherein a plurality of first connecting channels are provided in the first annular groove and arranged circumferentially at equal intervals, the first connecting channels communicating with the second purging channel, and a sealing device is provided at one end of the second purging channel.

[0006] As a further improvement, the connector body is also provided with a third purging channel that communicates with the first purging channel, and a gas detection alarm is provided at one end of the third purging channel.

[0007] Furthermore, the connector body surrounding the gas outlet is provided with a fourth annular groove, and the fourth annular groove is provided with a plurality of second connecting channels arranged in a circumferentially spaced manner, the second connecting channels being connected to the third purging channel.

[0008] Furthermore, the connector bodies on both sides of the first annular groove are respectively provided with a second annular groove and a third annular groove.

[0009] Furthermore, the corners inside the main gas pipeline are rounded.

[0010] Furthermore, the sealing device includes a plug and a limiting plate. The limiting plate is installed at one end of the plug, and the plug is movably inserted into the second purging channel. The plug and the second purging channel are interference-fitted.

[0011] Furthermore, the other end of the plug has a pointed structure.

[0012] Beneficial effects

[0013] Compared with the prior art, this utility model has the following advantages:

[0014] This utility model discloses a double-layer fuel pipe connector for marine engines. The fuel pipe connector has a first purging channel that connects to the outer layer of the double-layer fuel pipe, which can detect fuel leakage in time. Furthermore, inert gas is blown in through the first purging channel on the fuel connector to purge the outer layer of the double-layer fuel pipe, which can effectively prevent the occurrence of safety accidents such as fires. Attached Figure Description

[0015] Figure 1 This is a front-view three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a top-view three-dimensional structural diagram of the present invention;

[0017] Figure 3 This is a three-dimensional cross-sectional structural diagram of the main gas pipeline in this utility model;

[0018] Figure 4 This is a three-dimensional cross-sectional view of the first purging channel in this utility model.

[0019] Wherein: 1-Connector body, 2-Gas main pipeline, 3-First purging channel, 4-Second purging channel, 5-First annular groove, 6-First connecting channel, 7-Third purging channel, 8-Fourth annular groove, 9-Second connecting channel, 10-Second annular groove, 11-Third annular groove, 12-Rounded corner, 13-Plug, 14-Limiting plate, 15-Mounting hole, 21-Gas inlet, 22-Gas outlet. Detailed Implementation

[0020] The present invention will be further described below with reference to specific embodiments shown in the accompanying drawings.

[0021] See Figure 1-4A double-layer fuel pipe connector for a marine engine includes a connector body 1. The connector body 1 has an L-shaped main gas pipe 2 inside. One end of the main gas pipe 2 is a gas inlet 21, and the other end is a gas outlet 22. The connector body 1 has a first purging channel 3 inside. One end of the first purging channel 3 is connected to a second purging channel 4. One end of the second purging channel 4 extends to the end face of the connector body 1. The connector body 1 around the gas inlet 21 has a first annular groove 5. The first annular groove 5 has a plurality of first connecting channels 6 arranged in a circumferentially spaced manner. The first connecting channels 6 are connected to the second purging channel 4. One end of the second purging channel 4 is provided with a sealing device.

[0022] Preferably, the end face of the connector body 1, which is provided with a gas inlet 21 and a gas outlet 22, is provided with mounting holes 15, and the connector body 1 is detachably connected to the double-layer fuel pipe through the mounting holes 15.

[0023] In use, the main gas pipeline 2 is connected to the inner layer of the double-layer fuel pipe, and the first annular groove 5 and the fourth annular groove 8 are both connected to the outer layer of the double-layer fuel pipe. When a gas leak occurs in the inner layer of the double-layer fuel pipe, the gas leaks into the outer layer of the double-layer fuel pipe, and then enters the first purging channel 3 through the first connecting channel 6. It is detected by the gas detection alarm and an alarm sounds. One end of the first purging channel 3 is connected to the inert gas pipeline. The inert gas enters the outer layer of the double-layer fuel pipe through the second purging channel 4 and the first connecting channel 6 to purge the leaked gas and prevent it from accumulating and causing safety accidents. It can effectively prevent the occurrence of fires and other safety accidents, and greatly improve the safety of the working environment.

[0024] In this embodiment, the connector body 1 is also provided with a third purging channel 7 that is connected to the first purging channel 3. One end of the third purging channel 7 is provided with a gas detection alarm. The third purging channel 7 is connected to the outer layer of the double-layer gas pipe through the first purging channel 3. When a gas leak occurs, the gas detection alarm installed on the third purging channel 7 will detect the gas and sound an alarm, thereby notifying nearby staff.

[0025] In this embodiment, a fourth annular groove 8 is provided on the connector body 1 surrounding the gas outlet 22. The fourth annular groove 8 is provided with a plurality of second connecting channels 9 arranged in a circular and equally spaced manner. The second connecting channels 9 are connected to the third purging channel 7. Leaked gas can also enter the third purging channel 7 through the second connecting channels 9, which can detect gas leaks more quickly. At the same time, when inert gas is used to purge the outer pipe in the double-layer fuel pipe, the inert gas can also enter the third purging pipe 7 through the second connecting channels 9, thereby completing the purging of the outer pipe in the double-layer fuel pipe and effectively improving the purging efficiency.

[0026] In this embodiment, the connector body 1 on both sides of the first annular groove 5 is provided with a second annular groove 10 and a third annular groove 11, respectively. Sealing rings can be installed in the second annular groove 10 and the third annular groove 11 to enhance the sealing between the connector body 1 and the double-layer gas pipe. Furthermore, the first annular groove 5, the second annular groove 10, the third annular groove 11 and the gas inlet 21 are all located on the same end face of the connector body 1, which makes it easier for workers to directly observe the gas inlet 21 and helps to improve installation efficiency.

[0027] In this embodiment, a rounded corner 12 is provided at the corner inside the main gas pipeline 2 to guide the gas inside the main gas pipeline 2 and avoid pressure loss caused by collision of the gas inside the main gas pipeline 2.

[0028] In this embodiment, the sealing device includes a plug 13 and a limiting plate 14. The limiting plate 14 is installed at one end of the plug 13. The plug 13 is movably inserted into the second purge channel 4, and the plug 13 and the second purge channel 4 are interference-fitted. The plug 13 is used to seal one end of the second purge channel 4 to prevent the inert gas from being discharged into the second purge channel 4 during the purging process, which would result in poor purging effect. At the same time, when it is inconvenient to purge through the air outlet of the first purge channel 3, the plug 13 can be pulled out to seal the air outlet of the first purge channel 3, and the inert gas can be used to purge through the second purge channel 4. In other embodiments, the plug 13 and the second purge channel 4 can be threaded together.

[0029] In this embodiment, the other end of the plug 3 is a pointed structure, and the diameter of the other end of the plug 13 gradually increases from the other end of the plug 13 to the middle of the plug 13, which makes it easier to insert the plug 13 into the second purging channel 4 and effectively improves the installation efficiency of the plug 13.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present utility model. These modifications and improvements will not affect the effectiveness of the present utility model or the practicality of the patent.

Claims

1. A double-layer fuel pipe connector for a marine engine, characterized in that, The device includes a connector body (1), which has an L-shaped main gas pipeline (2) inside. One end of the main gas pipeline (2) is a gas inlet (21), and the other end of the main gas pipeline (2) is a gas outlet (22). The connector body (1) has a first purging channel (3) inside. One end of the first purging channel (3) is connected to a second purging channel (4). One end of the second purging channel (4) extends to the end face of the connector body (1). The connector body (1) around the gas inlet (21) has a first annular groove (5). The first annular groove (5) has multiple first connecting channels (6) arranged in a circular and equally spaced manner. The first connecting channels (6) are connected to the second purging channel (4). One end of the second purging channel (4) is provided with a sealing device.

2. The double-layer fuel pipe joint for a marine engine according to claim 1, characterized in that, The connector body (1) is also provided with a third purging channel (7) that is connected to the first purging channel (3), and a gas detection alarm is provided at one end of the third purging channel (7).

3. A double-layer fuel pipe joint for a marine engine according to claim 2, characterized in that, The connector body (1) surrounding the gas outlet (22) is provided with a fourth annular groove (8), and the fourth annular groove (8) is provided with a plurality of second connecting channels (9) arranged in a circular and equally spaced manner. The second connecting channels (9) are connected to the third purging channel (7).

4. A double-layer fuel pipe joint for a marine engine according to claim 1, characterized in that, The connector body (1) on both sides of the first annular groove (5) is provided with a second annular groove (10) and a third annular groove (11).

5. A double-layer fuel pipe joint for a marine engine according to claim 1, characterized in that, The corners of the gas main pipeline (2) are provided with rounded corners (12).

6. A double-layer fuel pipe joint for a marine engine according to claim 1, characterized in that, The sealing device includes a plug (13) and a limiting plate (14). The limiting plate (14) is installed at one end of the plug (13). The plug (13) is movably inserted into the second purge channel (4), and the plug (13) and the second purge channel (4) are interference fit.

7. A double-layer fuel pipe joint for a marine engine according to claim 6, characterized in that, The other end of the plug (13) is a pointed structure.

Images