Insertion piece type high-pressure elbow connector

Abstract

The utility model relates to the field of insert type connectors, in particular to an insert type high-pressure elbow connector. According to the technical scheme, an insertion piece terminal is arranged on one side in a metal shell; a terminal insulating shell I is arranged at the upper end part of the insertion piece terminal; a terminal insulating shell II is arranged on one side of the terminal insulating shell I; a high-voltage shielding cable is arranged on one side of the terminal insulating shell II; a snap spring check ring is arranged on one side of the high-voltage shielding cable; a shielding conduction ring is arranged on one side of the clamp spring check ring; a shielding pressing ring outer ring is arranged on one side of the shielding conducting ring; a shielding compression ring inner ring is arranged on one side of the shielding compression ring outer ring; a thin gasket is arranged on one side of the inner ring of the shielding pressing ring; a wire tail waterproof pad is arranged on one side of the thin gasket; a tail cap is arranged on one side of the wire tail waterproof pad; and a sealing gasket is arranged at the lower end part of the insertion piece terminal. According to the technical scheme of the utility model, the insert type high-voltage elbow connector comprises the metal housing and is used for the shielding and sealing of the high-voltage shielding cable and the installation of the tail cap.

Description

Technical Field

[0001] The utility model relates to the field of blade connectors, in particular to a blade type high-voltage elbow connector. Background Technique

[0002] With the rapid development of new energy vehicles in recent years, the demand for quick-disconnect connectors is increasing, and the required current-carrying capacity is also gradually increasing.

[0003] Most of the existing connectors are connected to cables by cold pressing, and many problems such as excessive temperature rise will occur at the connection part. Therefore, the existing quick-disconnect connectors can no longer meet the usage requirements of modern industry.

[0004] Therefore, in view of the above-mentioned problems that the connection part of the existing connector will cause a series of problems due to temperature rise during use, a blade type high-voltage elbow connector can be designed to solve the above problems, realize the quick docking of a single-core high-voltage elbow and a charging device, have reliable contact, insulate the internal high-voltage jack from the external metal shell, be locked by screws, and the whole device is waterproof, sandproof, dustproof, etc., so as to improve the safe use efficiency. Content of the Utility Model

[0005] In order to overcome the disadvantages that most of the existing connectors are connected to cables by cold pressing, but during use, many problems such as excessive temperature rise will occur at the connection part, resulting in the inability of the existing quick-disconnect connectors to meet the usage requirements of modern industry.

[0006] The technical solution of the utility model is: a blade type high-voltage elbow connector, which includes a metal shell, a blade terminal, a first terminal insulating shell, a second terminal insulating shell, a high-voltage shielded cable, a snap ring, a shield conduction ring, an outer shield pressing ring, an inner shield pressing ring, a thin gasket, a wire end waterproof pad, a tail cap, and a sealing gasket; a blade terminal is arranged on one side inside the metal shell; a first terminal insulating shell is arranged at the upper end of the blade terminal; a second terminal insulating shell is arranged on one side of the first terminal insulating shell; a high-voltage shielded cable is arranged on one side of the second terminal insulating shell; a snap ring is arranged on one side of the high-voltage shielded cable; a shield conduction ring is arranged on one side of the snap ring; an outer shield pressing ring is arranged on one side of the shield conduction ring; an inner shield pressing ring is arranged on one side of the outer shield pressing ring; a thin gasket is arranged on one side of the inner shield pressing ring; a wire end waterproof pad is arranged on one side of the thin gasket; a tail cap is arranged on one side of the wire end waterproof pad; a sealing gasket is arranged at the lower end of the blade terminal.

[0007] Preferably, a metal housing is provided for shielding and sealing of high-voltage shielded cables and installation of the end cap; insertion terminals are provided to facilitate the insertion connection work; terminal insulating housing 1 and terminal insulating housing 2 are provided for insulation and protection work; a snap ring is installed in the snap ring groove to fix the terminal insulating housing; the copper core of the high-voltage shielded cable is fused to improve electrical performance; the outer ring and inner ring of the shield compression ring are provided for shielding work; the shield conduction ring is provided to facilitate the conduction connection work; a thin gasket is provided to make the shielding effect of the high-voltage shielded cable more stable; a wire end waterproof pad is provided for waterproof performance protection work; a sealing gasket is installed in the groove for sealing work.

[0008] Preferably, the metal housing is provided as an L-shaped bent cavity, and a flange surface is installed at one end. Two round holes are provided on the flange surface, screws are provided on the round holes, a circular groove is provided on the flange surface, and a sealing gasket is provided in the groove; the installation surface of the metal housing is provided with a socket in an insertion manner, and four grooves are provided on the rectangular inner cavity of the cavity; the middle part of the metal housing cavity is provided as a rectangle, and a terminal insulating housing is installed inside, and its tail is provided as a circle, which is sealed with the high-voltage shielded cable and installed with the end cap. The flange surface is used for installation with the insertion panel. Two round holes on the flange surface are used for installation of screws. There is a circular groove on the flange surface, and the sealing gasket is installed in the groove for sealing work. The groove is used for key position distinction to prevent short circuit caused by misinsertion. The metal housing is used for shielding and sealing of high-voltage shielded cables and installation of the end cap.

[0009] Preferably, the terminal insulating housing is respectively provided as two-piece terminal insulating housing 1 and terminal insulating housing 2, and the inlaid structures of the two insulating housings are combined into a whole. An insertion terminal is installed in a rectangular hole inside; two elastic protruding buckles are provided inside terminal insulating housing 1, and two grooves are also provided on the insertion terminal. The insertion terminal is inserted into the insulating housing buckle and enters the groove of the insertion terminal, and the insertion piece is installed inside the insertion terminal for fixation; after terminal insulating housing 1 and terminal insulating housing 2 are combined, they are installed into the metal housing. A snap ring groove is provided in the cavity inside the metal housing, and a snap ring is installed in the snap ring groove to fix the terminal insulating housing. The rectangular hole inside the insulating housing is used for installation of the insertion terminal. The snap ring is installed in the snap ring groove to fix the terminal insulating housing.

[0010] Preferably, the tail of the insert terminal and the high-voltage shielded cable are welded by an ultrasonic device. After ultrasonic welding, the copper cores of the terminal and the high-voltage shielded cable are integrated. After welding, the terminal and the high-voltage shielded cable are simultaneously inserted into the terminal insulating housing. The insert type high-voltage elbow connector is set to be detachable. By using a customized tooling to simultaneously press two elastic convex buckles inside the terminal insulating housing, the high-voltage shielded cable and the insert terminal can be taken out simultaneously. After ultrasonic welding, the copper cores of the terminal and the high-voltage shielded cable are integrated, greatly improving the electrical performance and reliability. Taking out the high-voltage shielded cable and the insert terminal simultaneously can overcome the drawback that the previous high-voltage connectors could not be disassembled, and can effectively reduce the waste of resources caused by misoperation.

[0011] Preferably, the shielding layer of the high-voltage shielded cable passes through the outer ring and the inner ring of the shielding compression ring and is crimped with the outer ring of the shielding compression ring. The outer ring and the inner ring of the shielding compression ring perform shielding work.

[0012] Preferably, the shielding conduction ring connects the tail pipe and the outer ring of the shielding compression ring. The shielding conduction ring has six elastic claws and is connected to the outer ring of the shielding compression ring. The shielding conduction ring facilitates the conduction connection work.

[0013] Preferably, the rear end of the thin gasket is provided with a shielding conduction ring and is connected to the high-voltage jack housing. A wire tail waterproof gasket is arranged inside the tail cap. The wire tail waterproof gasket is made of silicone rubber. The inner loop of the wire tail waterproof gasket is sleeved on the high-voltage shielded cable, and the outer ring is in contact with the tail of the jack housing in an extrusion state. The thin gasket makes the shielding effect of the high-voltage shielded cable more stable. The outer ring contacts the tail of the jack housing to form extrusion, thereby playing a waterproof role.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. By providing an insert type high-voltage elbow connector, including a metal housing for shielding and sealing the high-voltage shielded cable and installing the tail cap, an insert terminal is arranged inside it for convenient plug-in connection work. A terminal insulating housing one and a terminal insulating housing two are arranged on one side of the insert terminal for insulation and protection work. A snap ring is installed in the snap ring groove for fixing the terminal insulating housing. The copper cores of the high-voltage shielded cable are integrated to improve the electrical performance. The outer ring and the inner ring of the shielding compression ring perform shielding work. The shielding conduction ring facilitates the conduction connection work. The thin gasket makes the shielding effect of the high-voltage shielded cable more stable. The wire tail waterproof gasket performs waterproof performance protection work. The sealing gasket is installed in the groove for sealing work. It overcomes the drawbacks that most of the existing connectors are cold-pressed when connecting with cables, but during use, there are many problems such as excessive temperature rise at the connection part, resulting in the inability of the existing quick-disconnect connectors to meet the usage requirements of modern industry.

[0016] 2. By setting up a plug-in type high-voltage elbow connector, the metal shell is used for the shielding and sealing of the high-voltage shielded cable and the installation of the end cap. The flange surface is used for installing the mating panel. There are two round holes on the flange surface for installing screws. There is a circular groove on the flange surface, and the sealing gasket is installed in the groove for sealing work. The groove is used for key position differentiation to prevent short circuits caused by incorrect insertion. The rectangular hole inside the insulating shell is used for installing the plug terminals. The snap ring is installed in the snap ring groove for fixing the terminal insulating shell. After ultrasonic welding, the terminal and the copper core of the high-voltage shielded cable are integrated, greatly improving the electrical performance and reliability. At the same time, taking out the high-voltage shielded cable and the plug terminals can overcome the drawback that the previous high-voltage connectors cannot be disassembled, and can effectively reduce the waste of resources caused by incorrect operations. The outer ring and the inner ring of the shielding compression ring perform shielding work. The shielding conduction ring is convenient for conduction connection work. The thin gasket makes the shielding effect of the high-voltage shielded cable more stable. The outer ring contacts the tail of the jack housing, forming extrusion, thereby playing a waterproof role and completing the connection work of the plug-in type high-voltage elbow; Description of the Drawings

[0017] Figure 1 The figure shows the external shape diagram of the plug-in type high-voltage elbow connector of the present utility model;

[0018] Figure 2 The figure shows the insulating shell diagram of the plug-in type high-voltage elbow connector of the present utility model;

[0019] Figure 3 The figure shows the sectional view of the plug-in type high-voltage elbow connector of the present utility model;

[0020] Description of the reference numerals: 1. Metal shell; 2. Plug terminal; 3. Terminal insulating shell one; 4. Terminal insulating shell two; 5. High-voltage shielded cable; 6. Snap ring; 7. Shielding conduction ring; 8. Outer ring of the shielding compression ring; 9. Inner ring of the shielding compression ring; 10. Thin gasket; 11. Cable end waterproof pad; 12. End cap; 13. Sealing gasket. Detailed Embodiment

[0021] The present utility model will be further described below with reference to the drawings and embodiments.

[0022] Please refer to Figure 1 - Figure 2, the present utility model provides an embodiment: a plug-in type high-voltage elbow connector, which includes a metal housing 1, a plug terminal 2, a first terminal insulating housing 3, a second terminal insulating housing 4, a high-voltage shielded cable 5, a snap ring 6, a shield conduction ring 7, an outer shield pressing ring 8, an inner shield pressing ring 9, a thin gasket 10, a wire-end waterproof pad 11, a tail cap 12, and a sealing washer 13; the metal housing 1 is provided with an L-shaped bent cavity, and one end is equipped with a flange surface. There are two round holes on the flange surface, screws are arranged on the round holes, and there is a circle of grooves on the flange surface, and the sealing washer 13 is arranged in the grooves; a socket is arranged on the installation surface of the metal housing 1 in an insertion manner, and there are four grooves on the rectangular inner cavity of the cavity; the middle part of the cavity of the metal housing 1 is rectangular, and a terminal insulating housing is installed inside. Its tail is circular, is set to be sealed with the high-voltage shielded cable 5, and is installed with the tail cap 12. The terminal insulating housing is respectively set as two pieces of the first terminal insulating housing 3 and the second terminal insulating housing 4, and the inlaid structures of the two insulating housings are combined into a whole, and a plug terminal 2 is installed in a rectangular hole inside; there are two elastic protruding buckles inside the first terminal insulating housing 3, and there are also two grooves on the plug terminal 2. The plug terminal 2 is inserted into the insulating housing buckle and enters the groove of the plug terminal 2, and the plug is installed inside the plug terminal 2 to be fixed; after the first terminal insulating housing 3 and the second terminal insulating housing 4 are combined, they are installed into the metal housing 1. There is a snap ring groove in the cavity of the metal housing 1, and the snap ring 6 is installed in the snap ring groove to fix the terminal insulating housing. The tail of the plug terminal 2 and the high-voltage shielded cable 5 are welded by an ultrasonic device. After ultrasonic welding, the copper cores of the terminal and the high-voltage shielded cable 5 are integrated. After welding, the terminal and the high-voltage shielded cable 5 are simultaneously installed inside the terminal insulating housing; the plug-in type high-voltage elbow connector is set to be detachable. By using a customized tooling to simultaneously press the two elastic protruding buckles inside the terminal insulating housing, the high-voltage shielded cable 5 and the plug terminal 2 can be taken out simultaneously. The shielding layer of the high-voltage shielded cable 5 passes through the outer shield pressing ring 8 and the inner shield pressing ring 9, and is set to be crimped with the outer shield pressing ring 8. The shield conduction ring 7 connects the tail pipe and the outer shield pressing ring 8. The shield conduction ring 7 has six elastic claws and is set to be connected with the outer shield pressing ring 8. The rear end of the thin gasket 10 is provided with the shield conduction ring 7 and is set to be connected with the high-voltage jack housing; the inside of the tail cap 12 is provided with a wire-end waterproof pad 11. The wire-end waterproof pad 11 is made of silicone rubber. The inner ring of the wire-end waterproof pad 11 is sleeved on the high-voltage shielded cable 5, and the outer ring is in contact with the tail of the jack housing to be in an extrusion state.

[0023] Please refer to Figure 2, this utility model provides an embodiment: on one side inside the metal housing 1, there is a blade terminal 2; at the upper end of the blade terminal 2, there is a first terminal insulating housing 3; on one side of the first terminal insulating housing 3, there is a second terminal insulating housing 4; on one side of the second terminal insulating housing 4, there is a high-voltage shielded cable 5; on one side of the high-voltage shielded cable 5, there is a snap ring retainer 6; on one side of the snap ring retainer 6, there is a shield conduction ring 7; on one side of the shield conduction ring 7, there is an outer shield compression ring 8; on one side of the outer shield compression ring 8, there is an inner shield compression ring 9; on one side of the inner shield compression ring 9, there is a thin gasket 10; on one side of the thin gasket 10, there is a wire end waterproof pad 11; on one side of the wire end waterproof pad 11, there is a tail cap 12; at the lower end of the blade terminal 2, there is a sealing washer 13. The metal housing 1 is used for the shielding and sealing of the high-voltage shielded cable 5 and the installation of the tail cap 12. The flange surface is used for installing with the mating plug panel. There are two round holes on the flange surface for the installation of screws. There is a circular groove on the flange surface. The sealing washer 13 is installed in the groove for sealing work. The groove is used for key position differentiation to prevent short circuit caused by misinsertion. The rectangular hole inside the insulating housing is used for installing the blade terminal 2. The snap ring retainer 6 is installed in the snap ring groove for fixing the terminal insulating housing. After ultrasonic welding, the terminal and the copper core of the high-voltage shielded cable 5 are integrated into one body, greatly improving the electrical performance and reliability. At the same time, taking out the high-voltage shielded cable 5 and the blade terminal 2 can improve the drawback that the previous high-voltage connectors cannot be disassembled, and can effectively reduce the waste of resources caused by misoperation. The outer shield compression ring 8 and the inner shield compression ring 9 perform shielding work. The shield conduction ring 7 is convenient for conduction connection work. The thin gasket 10 makes the shielding effect of the high-voltage shielded cable 5 more stable. The outer ring contacts the tail of the jack housing, forming extrusion, thus playing a waterproof role.

[0024] When working, the metal housing 1 is used for the shielding and sealing of the high-voltage shielded cable 5 and the installation of the tail cap 12. The flange surface is used for installing with the mating plug panel. There are two round holes on the flange surface for the installation of screws. There is a circular groove on the flange surface. The sealing washer 13 is installed in the groove for sealing work. The groove is used for key position differentiation to prevent short circuit caused by misinsertion. The rectangular hole inside the insulating housing is used for installing the blade terminal 2. The snap ring retainer 6 is installed in the snap ring groove for fixing the terminal insulating housing. After ultrasonic welding, the terminal and the copper core of the high-voltage shielded cable 5 are integrated into one body, greatly improving the electrical performance and reliability. At the same time, taking out the high-voltage shielded cable 5 and the blade terminal 2 can improve the drawback that the previous high-voltage connectors cannot be disassembled, and can effectively reduce the waste of resources caused by misoperation. The outer shield compression ring 8 and the inner shield compression ring 9 perform shielding work. The shield conduction ring 7 is convenient for conduction connection work. The thin gasket 10 makes the shielding effect of the high-voltage shielded cable 5 more stable. The outer ring contacts the tail of the jack housing, forming extrusion, thus playing a waterproof role, and all work is completed.

[0025] Through the above steps, by setting the insert type high-voltage elbow connector, including the metal shell 1 for shielding and sealing the high-voltage shielded cable 5 and installing the end cap 12, the insert terminals 2 are arranged inside for easy plugging and connecting work, and the terminal insulation shell one 3 and the terminal insulation shell two 4 are arranged on one side of the insert terminals 2 for insulation and protection work. The snap ring 6 is installed in the snap ring groove to fix the terminal insulation shell and fuse the copper core of the high-voltage shielded cable 5 to improve the electrical performance. The outer ring 8 and the inner ring 9 of the shielding pressure ring are used for shielding work. The shielding conduction ring 7 is convenient for conduction connection work. The thin gasket 10 makes the shielding effect of the high-voltage shielded cable 5 more stable. The line end waterproof pad 11 is used for waterproof performance protection work. The sealing gasket 13 is installed in the groove for sealing work. It overcomes the disadvantages that most of the existing connectors are cold-pressed when connecting with cables, but during use, many problems such as excessive temperature rise will occur at the connection part, resulting in the inability of the existing quick plug connectors to meet the usage requirements of modern industry.

[0026] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A plug-in type high voltage elbow connector, comprising a metal housing (1); characterized in that: It also includes a plug-in terminal (2), a terminal insulation shell 1 (3), a terminal insulation shell 2 (4), a high-voltage shielded cable (5), a spring retaining ring (6), a shielding conductive ring (7), a shielding pressure ring outer ring (8), a shielding pressure ring inner ring (9), a thin gasket (10), a wire tail waterproof pad (11), a tail cap (12), and a sealing gasket (13); a plug-in terminal (2) is arranged on one side of the interior of the metal shell (1); a terminal insulation shell 1 (3) is arranged on the upper end of the plug-in terminal (2); a terminal insulation shell 2 (4) is arranged on one side of the terminal insulation shell 1 (3); and a terminal insulation shell 2 (4) is arranged on one side of the terminal insulation shell 2 (4). A high-voltage shielded cable (5) is provided; a spring retaining ring (6) is provided on one side of the high-voltage shielded cable (5); a shielding conductive ring (7) is provided on one side of the spring retaining ring (6); a shielding pressure ring outer ring (8) is provided on one side of the shielding conductive ring (7); a shielding pressure ring inner ring (9) is provided on one side of the shielding pressure ring outer ring (8); a thin gasket (10) is provided on one side of the shielding pressure ring inner ring (9); a wire tail waterproof pad (11) is provided on one side of the thin gasket (10); a tail cap (12) is provided on one side of the wire tail waterproof pad (11); and a sealing gasket (13) is provided at the lower end of the plug-in terminal (2).

2. The plug-in type high voltage elbow connector according to claim 1, characterized in that: The metal shell (1) is configured as an L-shaped curved cavity, and a flange surface is installed at one end, two circular holes are arranged on the flange surface, screws are arranged on the circular holes, a circle of grooves is arranged on the flange surface, and a sealing gasket (13) is arranged in the groove; a socket is arranged on the installation surface of the metal shell (1), and four grooves are arranged on the rectangular inner cavity of the cavity; the middle part of the cavity of the metal shell (1) is configured as a rectangle, and a terminal insulating shell is installed inside, and the tail part is configured as a circle, which is configured to be sealed with the high-voltage shielded cable (5) and installed with a tail cap (12).

3. The insert type high voltage elbow connector according to claim 1, characterized in that: The terminal insulating shell is respectively provided as two two-piece terminal insulating shells one (3) and terminal insulating shell two (4), and the inlay structures of the two insulating shells are assembled into a whole, and a plug-in terminal (2) is installed in a rectangular hole inside; two elastic protruding buckles are arranged inside the terminal insulating shell (3), and two grooves are also arranged on the plug-in terminal (2); the plug-in terminal (2) is inserted into the insulating shell buckles and enters into the grooves of the plug-in terminal (2), and the plug is installed in the plug-in terminal (2) and is fixed; the terminal insulating shell one (3) and the terminal insulating shell two (4) are assembled and installed in the metal shell (1), and a retaining spring groove is arranged in the cavity of the metal shell (1), and the retaining spring retaining ring (6) is installed in the retaining spring groove to fix the terminal insulating shell.

4. The insert type high voltage elbow connector according to claim 1, characterized in that: The tail of the plug-in terminal (2) and the high-voltage shielded cable (5) are welded by ultrasonic equipment. After ultrasonic welding, the terminal and the copper core of the high-voltage shielded cable (5) are integrated. After welding, the terminal and the high-voltage shielded cable (5) are simultaneously installed in the terminal insulation shell; the plug-in high-voltage elbow connector is configured to be detachable. The two elastic protruding buckles in the terminal insulation shell are pressed simultaneously using a customized tool, so that the high-voltage shielded cable (5) and the plug-in terminal (2) can be taken out at the same time.

5. The insert type high voltage elbow connector according to claim 1, characterized in that: The shielding layer of the high-voltage shielded cable (5) passes through the shielding pressure ring outer ring (8) and the shielding pressure ring inner ring (9), and is configured to be crimped with the shielding pressure ring outer ring (8).

6. The insert type high voltage elbow connector according to claim 1, characterized in that: The shielding conductive ring (7) connects the tail pipe and the shielding pressure ring outer ring (8); the shielding conductive ring (7) has six elastic claws and is arranged to be connected with the shielding pressure ring outer ring (8).

7. The insert type high voltage elbow connector according to claim 1, characterized in that: A shielding conductive ring (7) is arranged at the rear end of the thin gasket (10) and is arranged to be connected to the high-voltage jack housing; a wire tail waterproof pad (11) is arranged inside the tail cap (12), and the wire tail waterproof pad (11) is arranged to be made of silicone rubber material. The loop inside the wire tail waterproof pad (11) is sleeved on the high-voltage shielded cable (5), and the outer ring is arranged to be in contact with the tail of the jack housing in an extruded state.

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