Explosion-proof photoelectric sealing connector for oil detection robot

Abstract

The utility model relates to an explosion-proof photoelectric sealing connector for an oil detection robot, which adopts a photoelectric mixed transmission principle and combines a sealing principle and an explosion-proof principle to realize the functions of photoelectric mixed transmission, oil sealing, explosion prevention and the like of the connector. Comprising a plug and a socket, the plug is composed of a screw sleeve, a plug shell, a connecting shell, a glue pouring shell, a filler sealing type cable lead-in device A, a plug insulation part, a vulcanization tail sleeve, a cable lead-in device with an elastic sealing ring, a gasket, a pressing screw tail, a set screw, a photoelectric composite cable and a sealing ring. The socket is composed of a sealing ring, a socket shell, a socket sealing insulation part, a filler sealing type cable lead-in device B, a thread locking screw ring and a photoelectric lead. The utility model provides an explosion-proof photoelectric sealing connector for an in-oil detection robot. The explosion-proof photoelectric sealing connector has the functions of photoelectric mixed transmission, oil sealing, explosion prevention and the like.

Description

Technical Field

[0001] The utility model relates to an explosion-proof photoelectric sealed connector for an oil detection robot, which adopts the photoelectric hybrid transmission principle and combines the sealing principle with the explosion-proof principle to realize the photoelectric hybrid transmission, oil sealing, explosion-proof and other functions of the connector. Background Art

[0002] In order to solve the problem of in-oil corrosion detection and safety evaluation without opening the tank, we carried out research on in-oil detection technology for tank bottom and tank wall corrosion, and developed a large-scale tank inspection robot system with adsorption, positioning, navigation and other functions.

[0003] In order to meet the technical requirements of multiple information transmission such as detection data, control instructions, and travel power between the detection robot and the control system, it is necessary to produce an optoelectronic composite umbilical cable assembly for oil detection in the tank that integrates power supply, communication, buoyancy and other functions. The assembly consists of an optoelectronic composite cable and an optoelectronic composite connector. In order to ensure the reliability of the system, the connector should meet the requirements of optoelectronic transmission, explosion-proof, waterproof, and oil-proof (sealing) in Zone 1 of explosive gas hazardous locations. Utility Model Content

[0004] The utility model aims to solve the above technical problems and provides an explosion-proof photoelectric sealed connector for an oil detection robot, which satisfies the functions of photoelectric hybrid transmission, oil sealing, explosion-proof and the like.

[0005] The technical scheme provided by the utility model is: an explosion-proof photoelectric sealed connector for an oil detection robot, characterized in that it comprises a plug and a socket, wherein the plug is composed of a threaded sleeve, a plug shell, a connecting shell, a glue-filled shell, a stuffing-sealed cable lead-in device A, a plug insulating component, a vulcanized tail sleeve, a cable lead-in device with an elastic sealing ring, a gasket, a clamping screw tail, a set screw, a photoelectric composite cable, and a sealing ring; the socket is composed of a sealing ring, a socket shell, a socket sealing insulating component, a stuffing-sealed cable lead-in device B, a threaded locking screw ring, and a photoelectric lead; a plug shell and a socket shell are respectively arranged on the outer sides of the photoelectric composite cable and the photoelectric lead, the plug shell and the socket shell are connected by a threaded sleeve arranged on the outer sides thereof, a glue-filled shell is arranged at one end of the plug shell, the plug shell and the glue-filled shell are connected by a connecting shell arranged on the outer sides thereof, a vulcanized tail sleeve connected to the connecting shell is arranged on the outer side of the glue-filled shell, a clamping screw tail is arranged inside the vulcanized tail sleeve, and a plug insulating component and a socket sealing insulating component are arranged at the connection between the photoelectric composite cable and the photoelectric lead.

[0006] As a further improvement of the utility model, the threaded sleeve and the connecting shell are both connected to the plug shell by means of set screws.

[0007] As a further improvement of the utility model, sealing rings are provided between the plug shell and the connecting shell, between the plug shell and the socket shell, between the glue-filled shell and the optoelectronic composite cable, between the connecting shell and the glue-filled shell, and between the socket shell and the flameproof shell at the equipment end.

[0008] As a further improvement of the utility model, a packing-sealed cable entry device A and a cable entry device with an elastic sealing ring are installed in the glue-filled housing, and a gasket is provided between the cable entry device with an elastic sealing ring and the clamping screw tail.

[0009] As a further improvement of the utility model, a stuffing-sealed cable entry device B is installed in the socket housing, and a threaded locking ring is provided on the outer side of the stuffing-sealed cable entry device B.

[0010] As a further improvement of the utility model, the vulcanized tail sleeve is processed by a vulcanization process to achieve sealing between the glue-filled housing and the optoelectronic composite cable.

[0011] As a further improvement of the present invention, a tight-buffered optical fiber is provided inside the optoelectronic composite cable, and the plug insulating component includes a plug insulator, a plug rear insulator, a plug electrical jack, and an optical pin, which are connected to the tight-buffered optical fiber to realize the optoelectronic hybrid transmission function.

[0012] As a further improvement of the utility model, the plug shell is provided with a convex key, and the socket shell is provided with an inner groove matched with the convex key, so as to realize blind insertion of the plug shell and the socket shell.

[0013] As a further improvement of the utility model, the socket sealing insulation component includes an optical sealing pin, a socket insulator, and an electrical sealing pin, which realizes the photoelectric hybrid transmission function after being connected with the photoelectric lead.

[0014] As a further improvement of the present invention, the engagement length of the connecting thread of the glue-filled shell and the plug shell and the connecting shell is greater than 8mm, and the number of effective thread engagement buckles is not less than 5 buckles; the socket shell is provided with a socket shell thread, and the engagement length of the connecting thread with the explosion-proof shell at the equipment end is greater than 8mm, and the number of effective thread engagement buckles is not less than 5 buckles.

[0015] Compared with the prior art, the utility model has the following advantages: the interior of the plug of the utility model adopts two flameproof composite structures, namely, a cable introduction device A with an elastic sealing ring and a filler-sealed cable introduction device, and the interior of the socket adopts a filler-sealed cable introduction device B to realize the flameproof function inside the socket; the insulating component of the insulating plug is connected with the tightly wrapped optical fiber to realize the photoelectric hybrid transmission function, and the sealed insulating component of the socket is connected with the photoelectric lead to realize the photoelectric hybrid transmission function; sealing rings are arranged between the plug shell and the connection shell, between the plug shell and the socket shell, between the glue-filled shell and the photoelectric composite cable, between the connection shell and the glue-filled shell, and between the socket shell and the flameproof shell at the equipment end, so as to realize the photoelectric hybrid transmission, oil sealing, explosion-proof and other functions of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an explosion-proof photoelectric sealed connector for an oil detection robot of the utility model;

[0017] Figure 2 This is a partial cross-sectional view A of an explosion-proof photoelectric sealed connector for an oil detection robot of the utility model;

[0018] Figure 3 It is a partial cross-sectional view B of an explosion-proof photoelectric sealed connector for an oil detection robot of the utility model.

[0019] As shown in the figure: 1. Screw sleeve; 2. Plug shell; 2.1. Key; 3. Connecting shell; 4. Glue-filled shell; 5. Packing-sealed cable entry device A; 6. Plug insulating component; 6.1. Plug insulator; 6.2. Plug rear insulator; 6.3. Plug electrical socket; 6.4. Optical pin; 7. Vulcanized tail sleeve; 8. Cable entry device with elastic sealing ring; 9. Gasket; 10. Pressing screw tail; 11. Set screw; 12. Photoelectric composite cable; 12.1. Tightly wrapped optical fiber; 13. Sealing ring; 14. Socket shell; 14.1. Inner groove; 14.2. Socket shell thread; 15. Socket sealing insulating component; 15.1. Optical sealing pin; 15.2. Socket insulator; 15.3. Electrical sealing pin; 16. Packing-sealed cable entry device B; 17. Threaded locking screw ring; 18. Photoelectric lead. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and implementation methods. It should be understood that the implementation methods described herein are only used to explain this application and are not used to limit this application.

[0021] The utility model provides Figure 1 , Figure 2 , Figure 3The explosion-proof photoelectric sealed connector for oil detection robots shown in the figure is characterized in that it includes a plug and a socket, the plug is composed of a threaded sleeve 1, a plug shell 2, a connecting shell 3, a glue-filled shell 4, a stuffing-sealed cable entry device A5, a plug insulating component 6, a vulcanized tail sleeve 7, a cable entry device with an elastic sealing ring 8, a gasket 9, a clamping screw tail 10, a set screw 11, an optoelectronic composite cable 12, and a sealing ring 13, and the socket is composed of a sealing ring 13, a socket shell 14, a socket sealing insulating component 15, a stuffing-sealed cable entry device B16, a threaded locking screw ring 17, and an optoelectronic lead 18. Composition: A plug shell 2 and a socket shell 14 are respectively provided on the outside of the optoelectronic composite cable 12 and the optoelectronic lead 18, the plug shell 2 and the socket shell 14 are connected by a screw sleeve 1 arranged on the outside thereof, a glue-filled shell 4 is provided at one end of the plug shell 2, the plug shell 2 and the glue-filled shell 4 are connected by a connecting shell 3 arranged on the outside thereof, a vulcanized tail sleeve 7 connected to the connecting shell 3 is provided on the outside of the glue-filled shell 4, a tightening screw tail 10 is provided inside the vulcanized tail sleeve 7, and a plug insulating component 6 and a socket sealing insulating component 15 are provided at the connection between the optoelectronic composite cable 12 and the optoelectronic lead 18.

[0022] The threaded sleeve 1 and the connecting housing 3 in the utility model are both connected to the plug housing 2 through a set screw 11 .

[0023] In the utility model, sealing rings 13 are provided between the plug shell 2 and the connecting shell 3, between the plug shell 2 and the socket shell 14, between the glue-filled shell 4 and the optoelectronic composite cable 12, between the connecting shell 3 and the glue-filled shell 4, and between the socket shell 14 and the flameproof shell at the equipment end.

[0024] In the utility model, a packing-sealed cable lead-in device A5 and a cable lead-in device with an elastic sealing ring 8 are installed in the glue-filled housing 4, and a gasket 9 is provided between the cable lead-in device with an elastic sealing ring 8 and the clamping screw tail 10.

[0025] In the utility model, a stuffing-sealed cable lead-in device B16 is installed in the socket housing 14, and a threaded locking screw ring 17 is arranged on the outer side of the stuffing-sealed cable lead-in device B16.

[0026] The vulcanized tail sleeve 7 in the utility model is processed by vulcanization technology to achieve sealing between the glue-filled shell 4 and the optoelectronic composite cable 12.

[0027] The optical-electric composite cable 12 of the present invention is provided with a tight-buffered optical fiber 12.1 inside, and the plug insulating component 6 includes a plug insulator 6.1, a plug rear insulator 6.2, a plug electrical jack 6.3, and an optical pin 6.4, which are connected with the tight-buffered optical fiber 12.1 to realize the optical-electric hybrid transmission function.

[0028] In the utility model, the plug housing 2 is provided with a convex key 2.1, and the socket housing 14 is provided with an inner groove 14.1 matched with the convex key 2.1, so as to realize blind insertion of the plug housing 2 and the socket housing 14 during the insertion process.

[0029] The socket sealing insulating component 15 of the present invention comprises an optical sealing pin 15.1, a socket insulator 15.2, and an electrical sealing pin 15.3, which realizes the photoelectric hybrid transmission function after being connected with the photoelectric lead 18.

[0030] The engagement length of the connecting thread of the glue-filled shell 4 and the plug shell 2 and the connecting shell 3 in the utility model is greater than 8 mm, and the number of effective thread engagement buckles is not less than 5 buckles; the socket shell 14 is provided with a socket shell thread 14.2, and the engagement length of the connecting thread with the flameproof shell at the equipment end is greater than 8 mm, and the number of effective thread engagement buckles is not less than 5 buckles.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design a structure and implementation method similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An explosion-proof photoelectric sealed connector for an oil detection robot, characterized in that: The invention comprises a plug and a socket, wherein the plug comprises a threaded sleeve (1), a plug shell (2), a connecting shell (3), a glue-filled shell (4), a stuffing-sealed cable lead-in device A (5), a plug insulating component (6), a vulcanized tail sleeve (7), a cable lead-in device with an elastic sealing ring (8), a gasket (9), a pressing screw tail (10), a set screw (11), an optoelectronic composite cable (12), and a sealing ring (13); the socket comprises a sealing ring (13), a socket shell (14), a socket sealing insulating component (15), a stuffing-sealed cable lead-in device B (16), a threaded locking screw ring (17), and an optoelectronic lead (18); the optoelectronic composite cable (12) and the optoelectronic composite cable (12) are connected to the socket through the sealing ring (13). A plug shell (2) and a socket shell (14) are respectively provided on the outside of the electrical lead (18); the plug shell (2) and the socket shell (14) are connected via a screw sleeve (1) arranged on the outside thereof; a glue-filled shell (4) is provided at one end of the plug shell (2); the plug shell (2) and the glue-filled shell (4) are connected via a connecting shell (3) arranged on the outside thereof; a vulcanized tail sleeve (7) connected to the connecting shell (3) is provided on the outside of the glue-filled shell (4); a compression screw tail (10) is provided inside the vulcanized tail sleeve (7); and a plug insulating component (6) and a socket sealing insulating component (15) are provided at the connection between the optoelectronic composite cable (12) and the optoelectronic lead (18).

2. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: The threaded sleeve (1) and the connecting shell (3) are both connected to the plug shell (2) via a set screw (11).

3. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: Sealing rings (13) are provided between the plug housing (2) and the connection housing (3), between the plug housing (2) and the socket housing (14), between the glue-filled housing (4) and the optoelectronic composite cable (12), between the connection housing (3) and the glue-filled housing (4), and between the socket housing (14) and the flameproof housing at the equipment end.

4. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: A packing-sealed cable lead-in device A (5) and a cable lead-in device with an elastic sealing ring (8) are installed in the glue-filled housing (4), and a gasket (9) is provided between the cable lead-in device with an elastic sealing ring (8) and the compression screw tail (10).

5. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: A packing-sealed cable entry device B (16) is installed in the socket housing (14), and a threaded locking screw ring (17) is provided on the outer side of the packing-sealed cable entry device B (16).

6. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: The vulcanized tail sleeve (7) is manufactured by a vulcanization process, and realizes sealing between the glue-filled housing (4) and the optoelectronic composite cable (12).

7. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: The photoelectric composite cable (12) is provided with a tight-buffered optical fiber (12.1) inside, and the plug insulating component (6) comprises a plug insulator (6.1), a plug rear insulator (6.2), a plug electrical jack (6.3), and an optical plug pin (6.4), which are connected to the tight-buffered optical fiber (12.1) to realize a photoelectric hybrid transmission function.

8. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: The plug housing (2) is provided with a convex key (2.1), and the socket housing (14) is provided with an inner groove (14.1) matched with the convex key (2.1), so as to realize blind insertion of the plug housing (2) and the socket housing (14).

9. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: The socket sealing insulating component (15) comprises an optical sealing pin (15.1), a socket insulator (15.2), and an electrical sealing pin (15.3), and realizes an optical-electrical hybrid transmission function after being connected to an optical-electrical lead wire (18).

10. The explosion-proof photoelectric sealed connector for an oil detection robot according to claim 1, characterized in that: The engagement length of the connection thread between the glue-filled housing (4) and the plug housing (2) and the connection housing (3) is greater than 8 mm, and the number of effective thread engagement threads is not less than 5 threads; the socket housing (14) is provided with a socket housing thread (14.2), and the engagement length of the connection thread with the flameproof housing at the equipment end is greater than 8 mm, and the number of effective thread engagement threads is not less than 5 threads.

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