An electrical connector for a motor used in a subway vehicle traction system

Abstract

An electric connector for a motor used in a subway vehicle traction system includes a plug and a socket, wherein the plug includes a plug housing, a pin insulator, a 350A pin, a shockproof rubber pad, a waterproof rubber pad and a docking screw; the socket includes a socket housing, a hole insulator, a 350A socket and a shockproof rubber pad; the pin insulator and the hole insulator are both designed as an integrated insulator made of PC material, the plug housing and the socket housing are made of die-cast aluminum alloy, and the 350A pin and the 350A socket use Φ14.5 contacts. The beneficial effect is that after adopting the design of the overall insulator compression space, the rated current of the motor connector can reach 350A, and the rated current is increased by 150A, which can well realize the design idea of ​​increasing the power of the subway vehicle motor; the direct assembly of the PC material insulator and the aluminum alloy housing may be damaged by long-term vibration, and adding a shockproof rubber pad under the insulator can reduce shock and increase product reliability.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to an electric connector for a motor used in a traction system of a subway vehicle. Background Art

[0002] Commonly used subway vehicle motor connectors are installed near the motor. Due to the limitations of the installation location and space, the connectors are generally small in size and the rated current is mostly below 200A. With the continuous increase in vehicle power in the railway industry, the demand for rated current of motor connectors is also increasing. The existing motor connectors cannot meet the requirements. It is urgent to develop a small-volume motor connector with a rated current of more than 300A to meet the existing motor working conditions. Summary of the invention

[0003] The object of the present invention is to provide an electric connector for a motor used in a traction system of a subway vehicle, so as to increase the rated current of the motor connector under the existing installation space conditions.

[0004] In order to achieve the above object, the present invention adopts the following technical scheme: An electric connector for a motor used in a subway vehicle traction system comprises a plug and a socket, wherein the plug and the socket are connected by M6 screws; the plug comprises a plug housing, a pin insulator, a 350A pin, a first shockproof rubber pad and a waterproof rubber pad; the 350A pin is arranged in the pin insulator, and the pin insulator is fixed to the inside of the plug housing via the first shockproof rubber pad; a waterproof rubber pad is arranged at the end of the plug housing; the socket comprises a socket housing, a hole insulator, a 350A socket and a second shockproof rubber pad; the 350A socket is arranged in the hole insulator, and the hole insulator is fixed to the inside of the socket housing via the second shockproof rubber pad; the plug and socket outlets are reserved with threads to match cable connectors or hose connectors.

[0005] Preferably, the pin insulator and the hole insulator are both designed to be an integrated insulator made of PC material.

[0006] Preferably, reinforcing ribs are provided on the needle insulator and the hole insulator.

[0007] Preferably, the plug housing and the socket housing are made of die-cast aluminum alloy; Preferably, the 350A pin and the 350A socket use Φ14.5 contacts.

[0008] Preferably, the first shockproof rubber pad and the second shockproof rubber pad are made of EPDM rubber.

[0009] Preferably, an electrical gap of 7.85 mm is provided between the socket housing and the 350A jack, and an electrical gap of 7.85 mm is provided between the plug housing and the 350A pin.

[0010] The beneficial effects of the present invention are as follows: by adopting the design of the integral insulator compression space, the rated current of the motor connector can reach 350A, and the rated current is increased by 150A, which can well realize the design idea of ​​increasing the power of the subway vehicle motor; the direct assembly of the PC material insulator and the aluminum alloy shell may be damaged by long-term vibration, and adding a shock-proof rubber pad under the insulator can reduce shock and increase the reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the plug structure of the present invention; Figure 2 This is a schematic diagram of the end face of the plug of the present invention; Figure 3 This is a schematic diagram of the socket structure of the present invention; Figure 4 This is a schematic diagram of the end face of the socket of the present invention; Figure 5 It is a schematic diagram of the structure of the needle insulator of the present invention; Figure 6 This is a schematic diagram of the structure of the hole insulator of the present invention; Figure 7 This is a schematic diagram of the three-dimensional structure of the plug of the present invention; Figure 8 This is a schematic diagram of the three-dimensional structure of the socket of the present invention; In the figure: 1 the plug includes a plug housing, 2 a pin insulator, 3 a 350A pin, 4 a first shockproof rubber pad, 5 a waterproof rubber pad, 6 M6 screws, 7 a socket housing, 8 a hole insulator, 9 a 350A jack, and 10 a second shockproof rubber pad. DETAILED DESCRIPTION

[0012] For ease of understanding, the method for telecommunication network access translation capability provided by an embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.

[0013] An embodiment of the present invention provides an electric connector for a motor used in a traction system of a subway vehicle, such as Figures 1 to 8As shown, the electrical connector for the motor includes a plug and a socket, and the plug and the socket are connected by using an M6 screw 6; the plug includes a plug housing 1, a pin insulator 2, a 350A pin 3, a first shockproof rubber pad 4 and a waterproof rubber pad 5; the 350A pin 3 is arranged in the pin insulator 2, and the pin insulator 2 is fixed to the inside of the plug housing 1 via the first shockproof rubber pad 4; a waterproof rubber pad 5 is arranged at the end of the plug housing 1; the socket includes a socket housing 7, a hole insulator 8, a 350A socket 9 and a second shockproof rubber pad 10; the 350A socket 9 is arranged in the hole insulator 8, and the hole insulator 8 is fixed to the inside of the socket housing 7 via the second shockproof rubber pad 10; the plug and socket outlets have reserved threads to match cable connectors or hose connectors.

[0014] Preferably, the pin insulator 2 and the hole insulator 8 are both designed as an integrated insulator made of PC material.

[0015] Preferably, the needle insulator 2 and the hole insulator 8 are provided with reinforcing ribs.

[0016] Preferably, the plug housing 1 and the socket housing 7 are made of die-cast aluminum alloy; Preferably, the 350A pin 3 and the 350A socket 9 use Φ14.5 contacts.

[0017] Preferably, the first shockproof rubber pad 4 and the second shockproof rubber pad 10 are made of EPDM rubber.

[0018] Preferably, an electrical gap of 7.85 mm is provided between the socket housing 7 and the 350A jack 9 , and an electrical gap of 7.85 mm is provided between the plug housing 1 and the 350A pin 3 .

[0019] The beneficial effects of the present invention are as follows: by adopting the design of the integral insulator compression space, the rated current of the motor connector can reach 350A, and the rated current is increased by 150A, which can well realize the design idea of ​​increasing the power of the subway vehicle motor; the direct assembly of the PC material insulator and the aluminum alloy shell may be damaged by long-term vibration, and adding a shock-proof rubber pad under the insulator can reduce shock and increase the reliability of the product.

[0020] 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. An electric connector for a motor used in a subway vehicle traction system, characterized in that: The electrical connector for the motor includes a plug and a socket, and the plug and the socket are connected by M6 screws; the plug includes a plug housing, a pin insulator, a 350A pin, a first shockproof rubber pad and a waterproof rubber pad; the 350A pin is arranged in the pin insulator, and the pin insulator is fixed to the inside of the plug housing via the first shockproof rubber pad; a waterproof rubber pad is arranged at the end of the plug housing; the socket includes a socket housing, a hole insulator, a 350A socket and a second shockproof rubber pad; the 350A socket is arranged in the hole insulator, and the hole insulator is fixed to the inside of the socket housing via the second shockproof rubber pad; The plug and socket outlets have reserved threads to match cable connectors or hose connectors.

2. The electric connector for a motor used in a subway vehicle traction system according to claim 1, characterized in that: The pin insulator and the hole insulator are both designed as an integrated insulator made of PC material.

3. The electric connector for a motor used in a subway vehicle traction system according to claim 2, characterized in that: The needle insulator and the hole insulator are provided with reinforcing ribs.

4. The electric connector for a motor used in a subway vehicle traction system according to claim 1, characterized in that: The plug housing and the socket housing are made of die-cast aluminum alloy; An electrical connector for a motor used in a subway vehicle traction system as claimed in claim 1, characterized in that the 350A pin and the 350A socket use Φ14.5 contacts.

5. The electric connector for a motor used in a subway vehicle traction system according to claim 1, characterized in that: The first shockproof rubber pad and the second shockproof rubber pad are made of EPDM rubber.

6. The electric connector for a motor used in a subway vehicle traction system according to claim 1, characterized in that: The socket housing and the plug housing are made of aluminum alloy.

7. The electric connector for a motor used in a subway vehicle traction system according to claim 1, characterized in that: An electrical gap of 7.85 mm is provided between the socket housing and the 350A jack, and an electrical gap of 7.85 mm is provided between the plug housing and the 350A pin.

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