Special-shaped plug connecting structure

Abstract

A special-shaped plug connecting structure relates to the technical field of jumper wire harnesses at the upper end of a railway passenger car, and can realize stable and reliable connection of special-shaped plugs. In the special-shaped plug connecting structure, a circular connector is connected with a rectangular connector through a cable, and a special-shaped cloth clamping rubber tube is arranged on the outer side of the cable. A plug body of the rectangular connector is provided with a threaded reducing ring, the threaded reducing ring is connected with an adapter tube, and the adapter tube is connected with a tail nut. A sealing ring is arranged in the adapter pipe, a steel lining is arranged in the sealing ring, and the special-shaped cloth clamping rubber pipe is located between the steel lining and the sealing ring. And the rectangular connector realizes the connection of the cable and the special-shaped cloth clamping rubber pipe through the threaded reducing ring, the tail nut, the adapter pipe, the steel lining and the sealing ring.

Description

Technical Field

[0001] This utility model relates to the field of crossover wiring harness technology on the train end of railway passenger cars, and in particular to a non-standard plug connection structure, which is mainly used for reliable transmission of non-standard plug connections between different vehicles. Background Technology

[0002] Currently, when special railway passenger cars are performing special tasks, different carriages are coupled together. When coupled with other carriages, due to the different designs of different cars, the connectors installed are also different. Therefore, special non-standard plug jumper harnesses need to be manufactured for the electrical signal connectors between carriages to ensure the transmission of electrical signals between carriages.

[0003] The irregular plug jumper harness plays an important electrical hub role in the connection of the carriage, ensuring the safe and reliable transmission of electrical signals during vehicle operation, and its protective function can withstand the climatic effects of railway passenger cars crossing the north and south of the country all year round.

[0004] Therefore, it is necessary to provide a non-standard plug connection structure that can not only ensure the characteristics of the non-standard plug structure, but also ensure a stable connection method, and protect the jumper harness from damage caused by vehicle vibration, harness swing, and environmental changes, so as not to affect its own functionality. Utility Model Content

[0005] The purpose of this utility model is to provide a connection structure for irregularly shaped plugs, which can achieve a stable and reliable connection of irregularly shaped plugs.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A non-circular plug connection structure includes: a circular connector and a rectangular connector connected to the circular connector via a cable, wherein a non-circular fabric-reinforced tubing is provided on the outer side of the cable.

[0008] The plug body of the rectangular connector is provided with a threaded reducing ring, the threaded reducing ring is connected to an adapter tube, and the adapter tube is connected to a tail nut; a sealing ring is provided inside the adapter tube, a steel bushing is provided inside the sealing ring, and the irregularly shaped fabric-reinforced rubber tube is located between the steel bushing and the sealing ring.

[0009] The rectangular connector connects the cable and the irregularly shaped fabric-reinforced tubing via the threaded reducing ring, the tail nut, the adapter pipe, the steel bushing, and the sealing ring.

[0010] In practical applications, the irregularly shaped fabric-reinforced hose passes through the tail nut, the adapter tube, the threaded reducing ring, and the steel bushing, and is limited and fixed by the sealing ring;

[0011] The sealing ring is used to clamp the irregularly shaped fabric-reinforced tubing and is fitted onto the steel bushing. A second O-ring is provided between the threaded reducing ring and the adapter tube, and a first O-ring is provided between the threaded reducing ring and the plug body.

[0012] The larger end of the irregularly shaped fabric-reinforced tubing is adapted to connect to the outlet of the circular connector, and the smaller end of the irregularly shaped fabric-reinforced tubing is adapted to connect to the outlet of the rectangular connector.

[0013] Specifically, the irregularly shaped fabric-reinforced tubing is made of EPDM rubber.

[0014] A method for connecting irregularly shaped plugs includes the following steps:

[0015] The first O-ring is fixed in the groove of the threaded reducing ring, and then the threaded reducing ring is fixed on the plug body of the rectangular connector.

[0016] Install the second O-ring and the sealing ring into the groove of the adapter pipe, then fix the adapter pipe onto the threaded reducing ring, and finally pre-install the tail nut on the tail of the adapter pipe.

[0017] The steel bushing is pre-installed into the small end section of the irregularly shaped fabric-reinforced rubber tube, and then the entire irregularly shaped fabric-reinforced rubber tube is installed into the rectangular connector. The sealing ring is squeezed by continuously tightening the tail nut, and the sealing ring is radially deformed to press the irregularly shaped fabric-reinforced rubber tube.

[0018] Insert the larger end of the irregularly shaped fabric-reinforced tubing into the round connector to achieve a secure and reliable connection and installation of the irregularly shaped plug.

[0019] Compared with the prior art, the irregular plug connection structure of this utility model has the following advantages:

[0020] In the irregular plug connection structure provided by this utility model, a circular connector is connected to a rectangular connector via a cable, and an irregularly shaped fabric-reinforced rubber tube is provided on the outside of the cable; the plug body of the rectangular connector is provided with a threaded reducing ring, which is connected to an adapter tube, and the adapter tube is connected to a tail nut; a sealing ring is provided inside the adapter tube, and a steel bushing is provided inside the sealing ring, with the irregularly shaped fabric-reinforced rubber tube located between the steel bushing and the sealing ring; the rectangular connector achieves the connection of the cable and the irregularly shaped fabric-reinforced rubber tube through the threaded reducing ring, tail nut, adapter tube, steel bushing, and sealing ring; therefore, the irregular plug connection structure provided by this utility model can achieve a stable and reliable connection of irregular plugs, and has a long product life, wide applicability, convenient assembly, maintenance, and disassembly, while ensuring stable power signal transmission. Attached Figure Description

[0021] Figure 1A schematic diagram of the irregular plug connection structure provided in this embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the rectangular connector in the irregular plug connection structure provided in the embodiment of this utility model;

[0023] Figure 3 This is a schematic diagram of the irregularly shaped fabric-reinforced rubber tube in the irregularly shaped plug connection structure provided in this embodiment of the utility model;

[0024] Figure 4 A schematic diagram illustrating the usage state of the irregular plug connection structure provided in this embodiment of the utility model.

[0025] Figure label:

[0026] 1-Circular connector; 2-Rectangular connector; 3-Irregularly shaped fabric-reinforced tubing; 31-Small end section; 32-Large end section;

[0027] 21-Plug body; 22-Threaded reducing ring; 23-Adapter pipe; 24-Tail nut; 25-Sealing ring; 26-Steel bushing; 27-First O-ring seal; 28-Second O-ring seal. Detailed Implementation

[0028] For ease of understanding, the irregular plug connection structure provided in the embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] This utility model embodiment provides an irregularly shaped plug connection structure, such as Figures 1-4 As shown, it includes: a circular connector 1, and a rectangular connector 2 connected to the circular connector 1 via a cable, and an irregularly shaped fabric-reinforced tubing 3 is provided on the outside of the cable.

[0030] The plug body 21 of the rectangular connector 2 is provided with a threaded reducing ring 22, the threaded reducing ring 22 is connected to an adapter tube 23, and the adapter tube 23 is connected to a tail nut 24; the adapter tube 23 is provided with a sealing ring 25 inside, the sealing ring 25 is provided with a steel bushing 26 inside, and the irregularly shaped fabric-reinforced rubber tube 3 is located between the steel bushing 26 and the sealing ring 25.

[0031] The rectangular connector 2 connects the cable and the irregularly shaped fabric-reinforced tubing 3 through the threaded reducing ring 22, the tail nut 24, the adapter pipe 23, the steel bushing 26, and the sealing ring 25.

[0032] This utility model embodiment provides another method for connecting irregularly shaped plugs, including the following steps:

[0033] The first O-ring 27 is fixed in the groove of the threaded reducing ring 22, and then the threaded reducing ring 22 is fixed on the plug body 21 of the rectangular connector 2 (which is a change of the original interface thread to realize diversified interface application changes, and the sealing ring plays the role of sealing at the joint position).

[0034] Install the second O-ring 28 and the sealing ring 25 into the groove of the adapter pipe 23, then fix the adapter pipe 23 onto the threaded reducing ring 22, and finally pre-install the tail nut 24 at the tail of the adapter pipe 23 (it is for the subsequent installation and fixing of related parts of the fabric-reinforced hose, and the sealing ring is used to seal the joint position).

[0035] The steel bushing 26 is pre-installed into the small end section 31 of the irregular fabric-reinforced rubber tube 3, and then the entire irregular fabric-reinforced rubber tube 3 is installed into the rectangular connector 2. The sealing ring 25 is squeezed by continuously tightening the tail nut 24, and the sealing ring 25 is radially deformed to press the irregular fabric-reinforced rubber tube 3 (the steel bushing stabilizes the outer contour of the fabric-reinforced rubber tube, and the sealing ring fixes the fabric-reinforced rubber tube and seals it).

[0036] Insert the large end 32 of the irregularly shaped fabric-reinforced tubing 3 into the circular connector 1 to complete the stable and reliable connection and installation of the irregularly shaped plug.

[0037] Compared with the prior art, the irregular plug connection structure described in this embodiment of the utility model has the following advantages:

[0038] In the irregular plug connection structure provided in this embodiment of the utility model, the circular connector 1 is connected to the rectangular connector 2 via a cable, and an irregular fabric-reinforced rubber tube 3 is provided on the outside of the cable; the plug body 21 of the rectangular connector 2 is provided with a threaded reducing ring 22, the threaded reducing ring 22 is connected to an adapter tube 23, and the adapter tube 23 is connected to a tail nut 24; a sealing ring 25 is provided inside the adapter tube 23, and a steel bushing 26 is provided inside the sealing ring 25, and the irregular fabric-reinforced rubber tube 3 is located between the steel bushing 26 and the sealing ring 25; the rectangular connector 2 achieves the connection of the cable and the irregular fabric-reinforced rubber tube 4 through the threaded reducing ring 22, the tail nut 24, the adapter tube 23, the steel bushing 26, and the sealing ring 25; therefore, the irregular plug connection structure and method provided in this embodiment of the utility model can achieve a stable and reliable connection of irregular plugs, and the product has a long service life, is applicable to a wide range of environments, is easy to assemble, repair and disassemble, and can ensure stable power signal transmission.

[0039] In practical applications, such as Figures 1-4 As shown, the above-mentioned irregularly shaped fabric-reinforced rubber hose 3 passes through the tail nut 24, the adapter pipe 23, the threaded reducing ring 22 and the steel bushing 26, and is limited and fixed by the sealing ring 25;

[0040] The sealing ring 25 is used to clamp the irregularly shaped fabric-reinforced hose 3 and is fitted onto the steel bushing 26. A second O-ring 28 can be provided between the threaded reducing ring 22 and the adapter pipe 23, and a first O-ring 27 can be provided between the threaded reducing ring 22 and the plug body 21.

[0041] Among them, such as Figures 1-4 As shown, the large end 32 of the irregularly shaped fabric-reinforced tubing 3 can be adapted to connect to the outlet of the circular connector 1, and the small end 31 of the irregularly shaped fabric-reinforced tubing 3 can be adapted to connect to the outlet of the rectangular connector 2.

[0042] Specifically, such as Figures 1-4 As shown, the above-mentioned irregularly shaped fabric-reinforced rubber tube 3 can be made of EPDM rubber, thus making it suitable for various climatic environments and various interface conditions.

[0043] It should be noted that the threaded reducing ring 22, sealing ring 25, adapter pipe 23, tail nut 24, steel bushing 26, and special-shaped fabric-reinforced hose 3 can be adjusted and changed according to the connector outlet type to meet the needs of various installation methods.

[0044] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A non-circular plug connection structure, characterized in that, include: A circular connector, and a rectangular connector connected to the circular connector via a cable, wherein the outer side of the cable is provided with a shaped fabric-reinforced tubing; The plug body of the rectangular connector is provided with a threaded reducing ring, the threaded reducing ring is connected to an adapter tube, and the adapter tube is connected to a tail nut; a sealing ring is provided inside the adapter tube, a steel bushing is provided inside the sealing ring, and the irregularly shaped fabric-reinforced rubber tube is located between the steel bushing and the sealing ring. The rectangular connector connects the cable and the irregularly shaped fabric-reinforced tubing via the threaded reducing ring, the tail nut, the adapter pipe, the steel bushing, and the sealing ring.

2. The irregular plug connection structure according to claim 1, characterized in that, The irregularly shaped fabric-reinforced rubber tube passes through the tail nut, the adapter tube, the threaded reducing ring and the steel bushing, and is limited and fixed by the sealing ring; The sealing ring is used to clamp the irregularly shaped fabric-reinforced tubing and is fitted onto the steel bushing. A second O-ring is provided between the threaded reducing ring and the adapter tube, and a first O-ring is provided between the threaded reducing ring and the plug body.

3. The irregular plug connection structure according to claim 1, characterized in that, The larger end of the irregularly shaped fabric-reinforced tubing is adapted to connect to the outlet of the circular connector, and the smaller end of the irregularly shaped fabric-reinforced tubing is adapted to connect to the outlet of the rectangular connector.

4. The irregular plug connection structure according to claim 3, characterized in that, The irregularly shaped fabric-reinforced rubber tube is made of EPDM rubber.

Images