Special-shaped plug connecting structure and method

Abstract

The invention discloses a special-shaped plug connecting structure and method, 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] The invention relates to the technical field of onboard vehicle-end jumper harnesses for railway passenger cars, and in particular to a special-shaped plug connection structure and method, which are mainly used for connection reliability transmission of special-shaped plugs between different vehicles. Background Art

[0002] At present, when special railway passenger cars are performing special tasks, different vehicle carriages will be connected together; when connected with other carriages, due to the different designs of different vehicles and the different installed connectors, the electrical signal connectors between the carriages need to manufacture special special-shaped plug jumper harnesses to ensure the transmission of power signals between the carriages.

[0003] The special-shaped plug jumper harness plays an important role as an electrical hub in the connection of carriages, ensuring the safe and reliable transmission of electrical signals during vehicle operation. Its protective function transmission objects can withstand the climatic influence of railway passenger cars across the country all year round.

[0004] Therefore, how to provide a special-shaped plug connection structure and method, which can not only ensure the wiring characteristics of the special-shaped plug structure, but also take into account the stable connection method, and better protect the jumper harness from damage caused by vehicle vibration, harness swing, and environmental changes, which will affect its own functional use. Summary of the invention

[0005] The object of the present invention is to provide a special-shaped plug connection structure and method, which can realize stable and reliable connection of the special-shaped plug.

[0006] In order to achieve the above object, the present invention adopts the following technical scheme: A special-shaped plug connection structure comprises: a circular connector, and a rectangular connector connected to the circular connector via a cable, wherein a special-shaped cloth-clamped rubber hose is arranged on the outer side of the cable; The plug body of the rectangular connector is provided with a threaded reducer ring, the threaded reducer ring is connected to a transfer tube, and the transfer tube is connected to a tail nut; a sealing ring is provided inside the transfer tube, a steel bushing is provided inside the sealing ring, and the special-shaped cloth-reinforced rubber hose is located between the steel bushing and the sealing ring; The rectangular connector realizes the connection between the cable and the special-shaped cloth-clamped hose through the threaded reducer ring, the tail nut, the adapter tube, the steel bushing, and the sealing ring.

[0007] In actual application, the special-shaped cloth-clamped hose passes through the tail nut, the adapter tube, the threaded reducer ring and the steel bushing, and is limited and fixed by the sealing ring; The sealing ring is used to clamp the special-shaped cloth-reinforced hose and is sleeved on the steel bushing. A second O-type sealing ring is arranged between the threaded reducer and the adapter tube, and a first O-type sealing ring is arranged between the threaded reducer and the plug body.

[0008] The large head section of the special-shaped fabric-clamped hose is adapted to be connected to the wire outlet of the circular connector, and the small head section of the special-shaped fabric-clamped hose is adapted to be connected to the wire outlet of the rectangular connector.

[0009] Specifically, the special-shaped cloth-reinforced hose is made of EPDM rubber.

[0010] A special-shaped plug connection method comprises the following steps: Fixing the first O-ring in the groove of the thread reducer, and then fixing the thread reducer on the plug body of the rectangular connector; Install the second O-ring and the sealing ring into the groove of the adapter tube, then fix the adapter tube on the threaded reducer ring, and finally pre-install the tail nut on the tail of the adapter tube; Pre-install the steel bushing into the small head section of the special-shaped fabric hose, then install the whole special-shaped fabric hose into the rectangular connector, and continuously tighten the tail nut to squeeze the sealing ring, so that the sealing ring is radially deformed and the special-shaped fabric hose is pressed tightly; Install the large end section of the special-shaped cloth-reinforced hose into the circular connector to complete the stable and reliable connection and installation of the special-shaped plug.

[0011] Compared with the prior art, the special-shaped plug connection structure and method described in the present invention have the following advantages: In the special-shaped plug connection structure and method provided by the present invention, since the circular connector is connected to the rectangular connector through the cable, and the outer side of the cable is provided with a special-shaped cloth-clamped hose; the plug body of the rectangular connector is provided with a threaded reducer ring, the threaded reducer ring is connected to a transfer tube, and the transfer tube is connected to a tail nut; a sealing ring is provided inside the transfer tube, a steel bushing is provided inside the sealing ring, and the special-shaped cloth-clamped hose is located between the steel bushing and the sealing ring; the rectangular connector realizes the connection of the cable and the special-shaped cloth-clamped hose through the threaded reducer ring, the tail nut, the transfer tube, the steel bushing, and the sealing ring; therefore, the special-shaped plug connection structure and method provided by the present invention can realize the stable and reliable connection of the special-shaped plug, and the product has a long life, is applicable to a wide range of environments, is easy to assemble, repair and disassemble, and can ensure stable power signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of the structure of a special-shaped plug connection structure provided by an embodiment of the present invention; Figure 2 A schematic diagram of the structure of a rectangular connector in a special-shaped plug connection structure provided by an embodiment of the present invention; Figure 3 A schematic diagram of the structure of a special-shaped cloth-reinforced hose in a special-shaped plug connection structure provided by an embodiment of the present invention; Figure 4 A schematic diagram of the use status of the special-shaped plug connection structure provided by an embodiment of the present invention.

[0013] Reference numerals: 1-circular connector; 2-rectangular connector; 3-special-shaped cloth-reinforced hose; 31-small head section; 32-large head section; 21-plug body; 22-thread reducer ring; 23-adapter tube; 24-tail nut; 25-sealing ring; 26-steel bushing; 27-first O-ring; 28-second O-ring. DETAILED DESCRIPTION

[0014] For ease of understanding, the special-shaped plug connection structure and method provided by the embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0015] The embodiment of the present invention provides a special-shaped plug connection structure, such as Figure 1-Figure 4 As shown, it includes: a circular connector 1, and a rectangular connector 2 connected to the circular connector 1 through a cable, and a special-shaped cloth-clamped rubber hose 3 is arranged on the outer side of the cable; The plug body 21 of the rectangular connector 2 is provided with a threaded reducer ring 22, the threaded reducer ring 22 is connected to a transfer tube 23, and the transfer tube 23 is connected to a tail nut 24; a sealing ring 25 is provided inside the transfer tube 23, a steel bushing 26 is provided inside the sealing ring 25, and the special-shaped cloth-clamped hose 3 is located between the steel bushing 26 and the sealing ring 25; The rectangular connector 2 realizes the connection between the cable and the special-shaped cloth-clamped rubber hose 3 through a threaded reducer 22 , a tail nut 24 , a transfer tube 23 , a steel bushing 26 , and a sealing ring 25 .

[0016] The embodiment of the present invention further provides a special-shaped plug connection method, comprising the following steps: Fix the first O-ring 27 in the groove of the thread reducer 22, and then fix the thread reducer 22 on the plug body 21 of the rectangular connector 2 (it is to transform the original interface thread to achieve diversified interface application changes, and the sealing ring plays a role in sealing the combined position); Install the second O-ring 28 and the sealing ring 25 in the groove of the adapter tube 23, then fix the adapter tube 23 on the threaded reducer 22, and finally pre-install the tail nut 24 on the tail of the adapter tube 23 (it is for the subsequent installation of related parts of the cloth clamping hose, and the sealing ring plays a role in sealing the joint position); Pre-install the steel bushing 26 into the small head section 31 of the special-shaped fabric hose 3, then install the whole special-shaped fabric hose 3 into the rectangular connector 2, and continuously tighten the tail nut 24 to squeeze the sealing ring 25, so that the sealing ring 25 is radially deformed to press the special-shaped fabric hose 3 (the steel bushing plays a role in stabilizing the outer contour of the fabric hose, and the sealing ring plays a role in fixing the fabric hose and sealing); The large end section 32 of the special-shaped cloth-reinforced hose 3 is installed into the circular connector 1 to complete the stable and reliable connection and installation of the special-shaped plug.

[0017] Compared with the prior art, the special-shaped plug connection structure and method described in the embodiments of the present invention have the following advantages: In the special-shaped plug connection structure and method provided by the embodiment of the present invention, since the circular connector 1 is connected to the rectangular connector 2 through the cable, and the outer side of the cable is provided with a special-shaped cloth-clamped hose 3; the plug body 21 of the rectangular connector 2 is provided with a threaded reducer 22, the threaded reducer 22 is connected to a transfer tube 23, and the transfer tube 23 is connected to a tail nut 24; a sealing ring 25 is provided inside the transfer tube 23, a steel bushing 26 is provided inside the sealing ring 25, and the special-shaped cloth-clamped hose 3 is located between the steel bushing 26 and the sealing ring 25; the rectangular connector 2 realizes the connection between the cable and the special-shaped cloth-clamped hose 4 through the threaded reducer 22, the tail nut 24, the transfer tube 23, the steel bushing 26, and the sealing ring 25; therefore, the special-shaped plug connection structure and method provided by the embodiment of the present invention can realize the stable and reliable connection of the special-shaped plug, and the product has a long life, a wide range of applicable environments, and is easy to assemble, repair and disassemble, and can ensure stable power signal transmission.

[0018] In practical application, such as Figure 1-Figure 4 As shown, the above-mentioned special-shaped cloth-clamped hose 3 passes through the tail nut 24, the adapter tube 23, the threaded reducer ring 22 and the steel bushing 26, and is limited and fixed by the sealing ring 25; The sealing ring 25 is used to clamp the special-shaped cloth-reinforced hose 3 and is sleeved on the steel bushing 26 . A second O-ring 28 may be provided between the thread reducer 22 and the adapter tube 23 . A first O-ring 27 may be provided between the thread reducer 22 and the plug body 21 .

[0019] Among them, Figure 1-Figure 4 As shown, the large head section 32 of the above-mentioned special-shaped fabric-clamped hose 3 can be adapted to connect to the outlet of the circular connector 1 , and the small head section 31 of the special-shaped fabric-clamped hose 3 can be adapted to connect to the outlet of the rectangular connector 2 .

[0020] Specifically, Figure 1-Figure 4 As shown, the above-mentioned special-shaped cloth-reinforced rubber hose 3 can be made of EPDM rubber material, so it can be well applicable to various climate environments and various interface conditions.

[0021] It should be noted that the thread reducer 22, the sealing ring 25, the adapter tube 23, the tail nut 24, the steel bushing 26, and the special-shaped cloth-clamped hose 3 can be adjusted and changed according to the type of the connector outlet, so as to meet the needs of various installation methods.

[0022] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A special-shaped plug connection structure, characterized in that: include: A circular connector, and a rectangular connector connected to the circular connector via a cable, wherein a special-shaped cloth-clamped hose is provided on the outer side of the cable; The plug body of the rectangular connector is provided with a threaded reducer ring, the threaded reducer ring is connected to a transfer tube, and the transfer tube is connected to a tail nut; a sealing ring is provided inside the transfer tube, a steel bushing is provided inside the sealing ring, and the special-shaped cloth-reinforced rubber hose is located between the steel bushing and the sealing ring; The rectangular connector realizes the connection between the cable and the special-shaped cloth-clamped hose through the threaded reducer ring, the tail nut, the adapter tube, the steel bushing, and the sealing ring.

2. The special-shaped plug connection structure according to claim 1, characterized in that: The special-shaped cloth-clamped hose passes through the tail nut, the adapter tube, the threaded reducer ring and the steel bushing, and is fixed in position by the sealing ring; The sealing ring is used to clamp the special-shaped cloth-reinforced hose and is sleeved on the steel bushing. A second O-type sealing ring is arranged between the threaded reducer and the adapter tube, and a first O-type sealing ring is arranged between the threaded reducer and the plug body.

3. The special-shaped plug connection structure according to claim 1, characterized in that: The large head section of the special-shaped cloth-clamped rubber hose is adapted to be connected to the wire outlet of the circular connector, and the small head section of the special-shaped cloth-clamped rubber hose is adapted to be connected to the wire outlet of the rectangular connector.

4. The special-shaped plug connection structure according to claim 3, characterized in that: The special-shaped cloth-reinforced rubber hose is made of EPDM rubber.

5. A special-shaped plug connection method, characterized in that: The following steps are involved: Fixing the first O-ring in the groove of the thread reducer, and then fixing the thread reducer on the plug body of the rectangular connector; Install the second O-ring and the sealing ring into the groove of the adapter tube, then fix the adapter tube on the threaded reducer ring, and finally pre-install the tail nut on the tail of the adapter tube; Pre-install the steel bushing into the small head section of the special-shaped fabric hose, then install the whole special-shaped fabric hose into the rectangular connector, and continuously tighten the tail nut to squeeze the sealing ring, so that the sealing ring is radially deformed and the special-shaped fabric hose is pressed tightly; Install the large end section of the special-shaped cloth-reinforced hose into the circular connector to complete the stable and reliable connection and installation of the special-shaped plug.

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