Vehicle-end high-voltage connector

Abstract

A vehicle end high-voltage connector comprises a plug and a socket, the plug is inserted into the socket, and the plug comprises a first clamp spring, a pin assembly, a second clamp spring, a spring, a coupling nut, a pin insulator, a plug shell, a first gasket, a first nut, a first wire sealing sleeve, a first pressing ring and a plug tail accessory; the socket comprises a square plate shell assembly, a jack assembly, a sealing ring, a third clamping spring, a jack insulator, a second gasket, a second nut, a second wire sealing sleeve, a second pressing ring and a socket tail accessory. The high-voltage electric connector structure has the beneficial effects that the high-voltage electric connector structure is different from a conventional connector on a motor train unit, and particularly, a plug and socket connection mode adopts a quick plugging mode, so that time is saved for decompiling and coupling among carriages, convenience is brought to operators, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor car technical field especially relates to a car end high voltage connector. BACKGROUND

[0002] At present, the motor train unit vehicles produced in the domestic adopt more imported structure connectors, and the domestic high current connector on the motor car is in the domestic blank at the car end connection, in order to cooperate each car system to carry out independent research and development, independent production, realize the motor car key system localization strategy arrangement, therefore research and development about the motor train unit car end high voltage connector localization work. The motor train unit car end high voltage connector application environment is relatively bad, and the working condition is high voltage, large current, and the protection performance and guide point stability of the connector itself are extremely high. UTILITY MODEL CONTENTS

[0003] The utility model discloses a car end high voltage connector, realizes the motor train unit car end high voltage connector localization and realizes the connector that design meets the actual need of our country motor train unit, realizes quick plug -in, and the time of the uncoupling and the continuous hanging between each car compartment is saved, and the operator is convenient, and the labor intensity is reduced.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A car end high voltage connector includes plug and socket, the plug is inserted into socket, the plug includes first snap spring, pin assembly, second snap spring, spring, connecting nut, pin insulator, plug shell, first gasket, first nut, first seal sleeve, first pressure ring and plug tail accessory;

[0006] The outer surface of plug shell is provided with external thread on one end, and the other end is provided with convex ring and groove ring, and the spring is placed between the convex ring of plug shell and the groove ring;The inner surface of connecting nut is provided with convex ring, and the inner diameter of connecting nut matches the outer diameter of the convex ring of plug shell;The connecting nut is sleeved on the plug shell, and the convex ring in the connecting nut is located between the spring and the groove ring;The second snap spring is arranged in the groove ring;

[0007] The pin insulator is inserted into the plug shell, and the first snap spring is arranged at the end position of the plug shell, so that the pin insulator is fixed in the plug shell;

[0008] The threaded end of the plug shell is sleeved with the first gasket, and the first gasket is fastened on the plug shell by using the first nut;The pin assembly is inserted into the threaded end of the plug shell;The first seal sleeve and the first pressure ring are arranged at the end of the pin assembly;The plug tail accessory is fastened on the thread of the plug shell through the thread.

[0009] The socket includes a square housing assembly, a socket assembly, a sealing ring, a third retaining ring, a socket insulator, a second washer, a second nut, a second sealing sleeve, a second pressure ring, and socket tail accessories;

[0010] The inner wall of one end of the square housing assembly is provided with an annular groove for placing a sealing ring, and a second annular groove is provided near the annular groove for placing a third retaining ring; the outer surface of the other end of the square housing assembly is provided with an external thread, and a second washer is provided at the thread of the square housing assembly, and a second nut is used to fasten the second washer to the square housing assembly; the socket assembly is inserted from the threaded section of the square housing assembly; a second sealing sleeve and a second pressure ring are provided at the end of the socket assembly; the socket tail accessory is fastened to the thread of the square housing assembly by its own thread.

[0011] Preferably, the plug housing and the square housing assembly are both made of aluminum alloy; the socket insulator and the pin insulator are both made of polysulfone; and the pin assembly and the socket assembly are both made of pure copper.

[0012] The beneficial effects of this utility model are as follows: After the high-voltage electrical connector for high-speed trains described in this utility model has passed the type test verification, in order to verify the functional stability and reliability of the connector under the long-term operation of the actual line operating conditions, it has been installed and tested on CRH6 and CRH3 high-speed train sets. After 3 months of operation testing, the stability and reliability of the connector described in this utility model in the actual train application have been confirmed.

[0013] The high-voltage connector structure described in this utility model differs from previous connectors on high-speed trains, especially in the quick-plug connection method for the plug and socket, which saves time for disassembling and coupling between carriages, making it more convenient for operators and reducing labor intensity. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the plug structure described in this utility model;

[0015] Figure 2 This is a schematic diagram of the socket structure described in this utility model;

[0016] Figure 3 This is a schematic diagram of the sealing sleeve structure described in this utility model;

[0017] In the diagram: 1 First retaining ring, 2 Pin assembly, 3 Second retaining ring, 4 Spring, 5 Connecting nut, 6 Pin insulator, 7 Plug housing, 8 First washer, 9 First nut, 10 First sealing sleeve, 11 First pressure ring, 12 Plug tail accessory, 13 Square housing assembly, 14 Socket assembly, 15 Sealing ring, 16 Third retaining ring, 17 Socket insulator, 18 Second washer, 19 Second nut, 20 Second sealing sleeve, 21 Second pressure ring, 22 Socket tail accessory. Detailed Implementation

[0018] For ease of understanding, the method for providing telecommunications network access translation capabilities according to the embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0019] This utility model provides a vehicle-end high-voltage connector, which includes a plug and a socket, wherein the plug is inserted into the socket.

[0020] like Figure 1 As shown, the plug includes a first retaining ring 1, a pin assembly 2, a second retaining ring 3, a spring 4, a connecting nut 5, a pin insulator 6, a plug housing 7, a first washer 8, a first nut 9, a first sealing sleeve 10, a first pressure ring 11, and a plug tail accessory 12.

[0021] The plug housing 7 has an external thread at one end of its outer surface and a raised ring and a recessed ring at the other end. A spring 4 is placed between the raised ring and the recessed ring of the plug housing 7. The inner surface of the connecting nut 5 has a raised ring, and the inner diameter of the connecting nut 5 matches the outer diameter of the raised ring of the plug housing 7. The connecting nut sleeve 5 is installed on the plug housing 7, and the raised ring inside the connecting nut 5 is located between the spring 4 and the recessed ring. A second retaining ring 3 is provided inside the recessed ring.

[0022] The pin insulator 6 is inserted into the plug housing 7, and a first retaining spring 1 is provided at the end of the plug housing 7 to fix the pin insulator 6 inside the plug housing 7;

[0023] The first washer 8 is fitted onto the threaded end of the plug housing 7 and the first nut 9 is used to fasten the first washer 8 onto the plug housing 7; the pin assembly 2 is inserted from the threaded end of the plug housing 7; the first sealing sleeve 10 and the first pressure ring 11 are provided at the end of the pin assembly 2; the plug tail accessory 12 is fastened to the thread of the plug housing 7 by its own thread.

[0024] like Figure 2 As shown, the socket includes a square housing assembly 13, a socket assembly 14, a sealing ring 15, a third retaining ring 16, a socket insulator 17, a second washer 18, a second nut 19, a second sealing sleeve 20, a second pressure ring 21, and a socket tail accessory 22.

[0025] The inner wall of one end of the square housing assembly 13 is provided with an annular groove for placing a sealing ring 15, and a second annular groove is provided near the annular groove for placing a third retaining ring 16; the outer surface of the other end of the square housing assembly 13 is provided with an external thread, and a second washer 18 is provided at the thread of the square housing assembly 13, and the second washer 18 is fastened to the square housing assembly 13 with a second nut 19; the socket assembly 14 is inserted into the threaded section of the square housing assembly 13; a second sealing sleeve 20 and a second pressure ring 21 are provided at the end of the socket assembly 14; the socket tail accessory 22 is fastened to the thread of the square housing assembly 13 by its own thread.

[0026] Figure 3 This is a schematic diagram of the structure of the second sealing sleeve 20 or the first sealing sleeve 10 of this utility model.

[0027] After the high-voltage electrical connector for high-speed trains described in this utility model passed the type test verification, in order to verify the functional stability and reliability of the connector under long-term operation under actual line operating conditions, it was installed and tested on CRH6 and CRH3 high-speed train sets. After 3 months of operation testing, the stability and reliability of the connector described in this utility model in actual train operation were confirmed.

[0028] The high-voltage connector structure described in this utility model differs from previous connectors on high-speed trains, especially in the quick-plug connection method for the plug and socket, which saves time for disassembling and coupling between carriages, making it more convenient for operators and reducing labor intensity.

[0029] The applicant should specifically note that the pin assembly and socket assembly are both existing technologies and can be purchased directly. The connector described in this utility model shall be used in accordance with relevant electrical specifications.

[0030] 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 vehicle-end high-voltage connector, comprising a plug and a socket, wherein the plug is inserted into the socket, characterized in that: The plug includes a first retaining ring, a pin assembly, a second retaining ring, a spring, a connecting nut, a pin insulator, a plug housing, a first washer, a first nut, a first sealing sleeve, a first pressure ring, and plug tail accessories; The plug housing has an external thread at one end of its outer surface and a raised ring and a recessed ring at the other end. A spring is placed between the raised ring and the recessed ring of the plug housing. The connecting nut has a raised ring on its inner surface, and the inner diameter of the connecting nut matches the outer diameter of the raised ring of the plug housing. The connecting nut is fitted onto the plug housing, and the raised ring inside the connecting nut is located between the spring and the recessed ring. A second retaining ring is provided inside the recessed ring. The pin insulator is inserted into the plug housing, and a first retaining spring is provided at the end of the plug housing to fix the pin insulator inside the plug housing; A first washer is fitted onto the threaded end of the plug housing and a first nut is used to fasten the first washer to the plug housing; a pin assembly is inserted from the threaded end of the plug housing; a first sealing sleeve and a first pressure ring are provided at the end of the pin assembly; the plug tail accessory is fastened to the thread of the plug housing by its own thread; The socket includes a square housing assembly, a socket assembly, a sealing ring, a third retaining ring, a socket insulator, a second washer, a second nut, a second sealing sleeve, a second pressure ring, and socket tail accessories; The inner wall of one end of the square housing assembly is provided with an annular groove for placing a sealing ring, and a second annular groove is provided near the annular groove for placing a third retaining ring; the outer surface of the other end of the square housing assembly is provided with an external thread, and a second washer is provided at the thread of the square housing assembly, and a second nut is used to fasten the second washer to the square housing assembly; the socket assembly is inserted from the threaded section of the square housing assembly; a second sealing sleeve and a second pressure ring are provided at the end of the socket assembly; the socket tail accessory is fastened to the thread of the square housing assembly by its own thread.

2. The high-voltage connector for vehicle ends as described in claim 1, characterized in that: Both the plug housing and the square housing assembly are made of aluminum alloy.

3. The high-voltage connector for vehicle ends as described in claim 1, characterized in that: Both the socket insulator and the pin insulator are made of polysulfone.

4. The high-voltage connector for vehicle ends as described in claim 1, characterized in that: Both the pin assembly and the socket assembly are made of pure copper.

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