Single-hole simple high-voltage connector

Abstract

The utility model relates to a single-hole simple high-voltage connector, and relates to the technical field of connectors, the single-hole simple high-voltage connector comprises a mounting box and a connecting buckle, the mounting box comprises a box body, two connecting columns and two butt joint tables, the two connecting columns are fixedly arranged on the box body, and the two butt joint tables are fixedly arranged on the box body. The connecting buckle comprises a terminal, a shielding inner ring, a shielding outer ring and a rear cover, the terminal is riveted on an electric wire at the end part of the high-voltage cable, a sleeve hole is formed in the terminal, the sleeve hole can be connected with the connecting column in a sleeving manner, the shielding inner ring is sleeved on an electric wire shielding layer at the joint of the terminal and the high-voltage cable, the shielding outer ring is sleeved on the shielding inner ring, and the rear cover is connected with the connecting column in a sleeving manner. A through hole is formed in the butt joint table, the box body can be opened from the through hole, the small-opening end of the rear cover is arranged on the high-voltage cable sheath layer in a sliding mode, and the large-opening end of the rear cover can be connected outside the butt joint table in a sleeving mode. According to the invention, a high-voltage socket is not needed, and the connection cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of connectors, and in particular to a single-hole simple high-voltage connector. Background Art

[0002] The high-voltage connector and high-voltage cable are combined to form a high-voltage wiring harness assembly, which is an important component connecting the high-voltage system of new energy vehicles.

[0003] Common high-voltage connectors include high-voltage plugs and high-voltage sockets. High-voltage sockets are installed on electrical appliances such as electric drives and air conditioners. High-voltage plugs are combined with high-voltage cables as one. During vehicle assembly, high-voltage plugs and high-voltage sockets are connected through physical coupling.

[0004] In the process of implementing this application, it was found that there are at least the following problems in this technology: when the electrical end is a new energy vehicle battery pack, electric drive, PDU assembly and other equipment, the high-voltage cable and the electrical end do not need to be disconnected frequently, but due to maintenance and repair needs, it is occasionally necessary to disconnect. The high-voltage socket certainly increases the convenience of connecting the high-voltage cable and the electrical end, but due to the complex internal structure of the high-voltage socket, the connection cost is increased. Utility Model Content

[0005] In order to provide a simple connector solution that does not require the use of a high-voltage socket and reduces connection costs, the present application provides a single-hole simple high-voltage connector.

[0006] The present application provides a single-hole simple high-voltage connector adopts the following technical solution:

[0007] A single-hole simple high-voltage connector comprises an installation box and a connecting buckle. The installation box comprises a box body, a connecting column and a docking platform. Two connecting columns are fixedly arranged on the box body. The connecting column is connected to the internal circuit of the electrical appliance end. Two docking platforms are fixedly arranged on the box body. The connecting buckle comprises a terminal, a shielding inner ring, a shielding outer ring and a back cover. The terminal is riveted on the wire at the end of the high-voltage cable. A sleeve hole is provided on the terminal, and the sleeve hole can be sleeved and connected with the connecting column. The shielding inner ring is sleeved on the wire shielding layer at the connection between the terminal and the high-voltage cable. The shielding outer ring is sleeved on the shielding inner ring. A through hole that is compatible with the shielding outer ring is provided on the docking platform. The through hole passes through the docking platform and the box body. The box body can be opened from the through hole. The small end of the back cover is slidably arranged on the outer skin layer of the high-voltage cable, and the large end of the back cover can be sleeved outside the docking platform.

[0008] By adopting the above technical solution, in the process of connecting the high-voltage cable to the electrical end, first open the box body from the through hole, so that the terminal enters the inner box body along the through hole; then, the sleeve holes on the two high-voltage cable terminals are set on the connecting column, so that the terminals are connected to the connecting columns of the corresponding level; then, the shielding outer ring is placed in the through hole, and the box body is closed; finally, the back cover is connected to the docking station to increase the stability of the connection between the high-voltage cable and the electrical end, and the high-voltage cable is connected to the electrical end through the terminal and the connecting column; thereby, the use of the high-voltage socket is abandoned and the connection cost is reduced; in addition, the shielding inner ring and the shielding outer ring are used to shield the wires at the connection, and the back cover is set outside the shielding outer ring to wrap and protect the shielding inner ring and the shielding outer ring.

[0009] Preferably, the shielding inner ring is connected to the wire shielding layer of the high-voltage cable by riveting, and the shielding outer ring is connected to the shielding inner ring by riveting.

[0010] By adopting the above technical solution, the inner shielding ring and the outer shielding ring are fixed by riveting, thereby avoiding as much as possible the sliding of the inner shielding ring and the outer shielding ring on the high-voltage cable, causing the wire shielding layer of the high-voltage cable to be exposed.

[0011] Preferably, a waterproof ring is clamped between the shielding outer ring and the small opening end of the rear cover.

[0012] By adopting the above technical solution, the waterproof performance between the shielding outer ring and the back cover is improved, and liquid is prevented from penetrating from the small opening end or the gap between the shielding outer ring and the small opening end of the back cover as much as possible, thereby improving the waterproofness and safety of the connector.

[0013] Preferably, a fixing bolt is threadedly connected to the connecting column, and the fixing bolt can be abutted against the terminal.

[0014] By adopting the above technical solution, before the terminal is sleeved on the connecting column, the fixing bolt is twisted and removed, and after the terminal is sleeved on the connecting column, the fixing bolt is re-tightened on the connecting column and locked, thereby further fixing the terminal on the connecting column.

[0015] Preferably, a gasket ring is sleeved on the shielding outer ring, and the gasket ring can frictionally fit with the inner surface of the through hole.

[0016] By adopting the above technical solution, on the one hand, the gasket ring is frictionally fitted with the inner surface of the through hole, thereby improving the waterproofness between the through hole and the shielding outer ring, and on the other hand, the friction between the through hole and the shielding outer ring is increased, thereby reducing the impact of the shaking of the high-voltage cable on the terminals and connecting columns in the box body.

[0017] Preferably, the shielding outer ring is fixedly provided with a group of binding convex edges, and the gasket ring is arranged between the group of binding convex edges.

[0018] By adopting the above technical solution, the binding convex edge binds the gasket ring to the shielding outer ring, thereby reducing the possibility of the gasket ring slipping and falling off on the shielding outer ring.

[0019] Preferably, a buckle is fixedly provided on the back cover, and a clamping block is fixedly provided on the docking platform, and the buckle can be sleeved on the clamping block.

[0020] By adopting the above technical solution, the back cover is inserted into the docking platform. As the back cover slides on the docking platform, the buckle is resisted by the block and elastically deforms outward until the buckle and the block are disengaged and resist each other. The buckle can be sleeved on the block, thereby fixing the back cover on the docking platform.

[0021] Preferably, a first confirmation buckle is fixedly provided on one of the docking platforms, and the first confirmation buckle is adapted to match the back cover on one of the high-voltage cables; a second confirmation buckle is fixedly provided on the other docking platform, and the second confirmation buckle is adapted to match the back cover on the other high-voltage cable; and the first confirmation buckle and the second confirmation buckle have different shapes.

[0022] By adopting the above technical solution, when the polarity of the high-voltage cable and the connecting column do not correspond, the first confirmation buckle or the second confirmation buckle of the back cover cannot be adapted to each other, thereby failing to complete the connection between the back cover and the docking station, thereby minimizing the polarity connection errors between the high-voltage cable and the connecting column.

[0023] Preferably, the two back covers are of different colors.

[0024] By adopting the above technical solution, it is convenient for operators to distinguish the polarity of high-voltage cables.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. By setting up the installation box, box body, connection column, docking platform, through hole, connection buckle, terminal, sleeve hole, shielding inner ring, shielding outer ring and back cover, the use of high-voltage socket is abandoned, and the connection cost is reduced;

[0027] 2. By setting waterproof rings, gasket rings, and restraining convex edges, the gap between the high-voltage cable and the installation box is reduced, thereby improving the waterproofness and safety of the connector;

[0028] 3. By setting fixing bolts, buckles, blocks, first confirmation buckles, and second confirmation buckles, the stability of the connection between the high-voltage cable and the installation box is reduced, and the polarity connection errors between the high-voltage cable and the connecting column are avoided as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a single-hole simple high-voltage connector provided in an embodiment of the present application.

[0030] Figure 2 It is a schematic diagram of the exploded structure of a single-hole simple high-voltage connector provided in an embodiment of the present application.

[0031] Explanation of the reference numerals: 1. mounting box; 11. box body; 12. connecting column; 121. fixing bolt; 13. docking station; 131. through hole; 132. block; 133. first confirmation buckle; 134. second confirmation buckle; 2. connecting buckle; 21. terminal; 211. sleeve hole; 22. shielding inner ring; 23. shielding outer ring; 24. back cover; 241. buckle; 25. waterproof ring; 26. restraining flange; 261. gasket ring. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-2 This application is described in further detail.

[0033] The present application embodiment discloses a single-hole simple high-voltage connector. Figure 1 and Figure 2 , which includes an installation box 1 installed at the end of the electrical appliance and a connection buckle 2 installed at the ends of two high-voltage cables respectively. The installation box 1 includes a box body 11, a connection column 12, and a docking platform 13. Two connection columns 12 are fixedly arranged on the box body 11, and the polarities of the two connection columns 12 are different. The connection columns 12 are threaded with fixing bolts 121, and the connection columns 12 are connected to the internal circuit of the electrical appliance end. Two docking platforms 13 are fixedly arranged on the box body 11, one of which is fixedly arranged with a first confirmation buckle 133, and the other is fixedly arranged with a second confirmation buckle 134. The first confirmation buckle 133 and the second confirmation buckle 134 are different in shape. A through hole 131 is opened on the docking platform 13, which runs through the docking platform 13 and the box body 11. The box body 11 and the docking platform 13 can be opened in half from the through hole 131, and a group of card blocks 132 are fixedly arranged on the docking platform 13.

[0034] Reference Figure 1 and Figure 2 The connecting buckle 2 includes a terminal 21, a shielding inner ring 22, a shielding outer ring 23, and a back cover 24. One end of the terminal 21 is riveted onto the wire at the end of the high-voltage cable, and the other end is flatly arranged and provided with a sleeve hole 211, which can be sleeved and connected with the connecting column 12. The shielding inner ring 22 is sleeved on the shielding layer of the wire at the connection between the terminal 21 and the high-voltage cable, and the shielding outer ring 23 is sleeved on the shielding inner ring 22. The shielding outer ring 23, the shielding inner ring 22 and the shielding wire shielding layer of the high-voltage cable are riveted integrally. The small end of the back cover 24 is slidably arranged on the outer skin layer of the high-voltage cable, and a group of buckles 241 are fixedly arranged at the large end of the back cover 24. One of the back covers 24 is adapted to the first confirmation buckle 133, and the other back cover 24 is adapted to the second confirmation buckle 134, and the two back covers 24 are different in color.

[0035] Reference Figure 1 and Figure 2 , in the process of connecting the high-voltage cable to the electrical end, first open the box body 11 and the docking station 13 from the through hole 131. Next, twist and remove the fixing bolt 121, identify the polarity of the terminal 21 by the color of the back cover 24, set the sleeve 211 of the terminal 21 on the connecting column 12 according to the polarity, screw the fixing bolt 121 back on the connecting column 12, and lock the terminal 21 on the connecting column 12. Then, put the shielding outer ring 23 in the through hole 131 and close the box body 11. Finally, confirm that the back cover 24 can be adapted to the first confirmation buckle 133 or the second confirmation buckle 134, and connect the back cover 24 to the docking station 13 through the block 132 and the buckle 241. Increase the stability of the connection between the high-voltage cable and the electrical end, and the high-voltage cable is connected to the electrical end through the terminal 21 and the connecting column 12. Thereby, a practical high-voltage socket is not required, and the cost is reduced by 70% compared with the commonly used high-voltage connector assembly. In addition, it improves the assembly efficiency of the whole vehicle and reduces the cost and weight of high-voltage wiring harnesses and the whole vehicle.

[0036] In order to improve the waterproofness and safety of the connector, refer to Figure 1 and Figure 2 A waterproof ring 25 is clamped between the shielding outer ring 23 and the small end of the rear cover 24. A set of binding convex edges 26 are fixed to the shielding outer ring 23, and a gasket ring 261 is sleeved between the binding convex edges 26. The waterproof ring 25 improves the waterproof performance between the shielding outer ring 23 and the rear cover 24, and the gap between the through hole 131 of the gasket ring 261 and the shielding outer ring 23 prevents liquid from penetrating into the box body 11 through the gap as much as possible, thereby improving the waterproofness and safety of the connector.

[0037] The implementation principle of a single-hole simple high-voltage connector in an embodiment of the present application is as follows: when connecting a high-voltage cable to an electrical device, first open the through hole 131 of the box body 11 and the docking station 13. Then, remove the fixing screw, use the color of the back cover 24 to identify the polarity of the terminal 21, and sleeve the sleeve 211 of the terminal 21 on the connecting column 12 according to the polarity. After that, tighten the fixing screw back to the connecting column 12 and ensure that the terminal 21 is firmly locked on the connecting column 12. Next, adjust the position of the shielding ring so that it is correctly placed in the through hole 131, and close the box body 11. Finally, confirm again that the back cover 24 can cooperate with the first confirmation buckle 133 or the second confirmation buckle 134, and connect the back cover 24 to the interface platform through the card and buckle. This process improves the stability of the connection between the high-voltage cable and the electrical device, so that the cable is directly connected to the device through the terminal 21, thereby avoiding the need for a high-voltage socket and reducing the cost of the connection.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A single-hole simple high-voltage connector, characterized in that: The invention comprises an installation box (1) and a connection buckle (2). The installation box (1) comprises a box body (11), a connection column (12), and a docking platform (13). Two connection columns (12) are fixedly arranged on the box body (11). The connection columns (12) are connected to the internal circuit of the electrical appliance end. Two docking platforms (13) are fixedly arranged on the box body (11). The connection buckle (2) comprises a terminal (21), a shielding inner ring (22), a shielding outer ring (23), and a back cover (24). The terminal (21) is riveted onto the electric wire at the end of the high-voltage cable. A sleeve hole (211) is provided on the terminal (21). The sleeve hole (211) can be sleeved and connected with the connecting column (12), the shielding inner ring (22) is sleeved on the wire shielding layer at the connection between the terminal (21) and the high-voltage cable, the shielding outer ring (23) is sleeved on the shielding inner ring (22), the docking platform (13) is provided with a through hole (131) that is compatible with the shielding outer ring (23), the through hole (131) passes through the docking platform (13) and the box body (11), the box body (11) can be opened from the through hole (131), the small end of the rear cover (24) is slidably set on the outer skin layer of the high-voltage cable, and the large end of the rear cover (24) can be sleeved outside the docking platform (13).

2. A single-hole simple high-voltage connector according to claim 1, characterized in that: The shielding inner ring (22) is connected to the wire shielding layer of the high-voltage cable by riveting, and the shielding outer ring (23) is connected to the shielding inner ring (22) by riveting.

3. A single-hole simple high-voltage connector according to claim 1, characterized in that: A waterproof ring (25) is clamped between the shielding outer ring (23) and the small opening end of the rear cover (24).

4. A single-hole simple high-voltage connector according to claim 1, characterized in that: A fixing bolt (121) is threadedly connected to the connecting column (12), and the fixing bolt (121) can abut against the terminal (21).

5. The single-hole simple high-voltage connector according to claim 1, characterized in that: A gasket ring (261) is sleeved on the shielding outer ring (23), and the gasket ring (261) is frictionally fitted with the inner surface of the through hole (131).

6. A single-hole simple high-voltage connector according to claim 5, characterized in that: The shielding outer ring (23) is fixedly provided with a group of binding convex edges (26), and the gasket ring (261) is arranged between the group of binding convex edges (26).

7. A single-hole simple high-voltage connector according to claim 1, characterized in that: A buckle (241) is fixedly provided on the rear cover (24), a clamping block (132) is fixedly provided on the docking platform (13), and the buckle (241) can be sleeved on the clamping block (132).

8. A single-hole simple high-voltage connector according to claim 7, characterized in that: A first confirmation buckle (133) is fixedly arranged on one of the docking platforms (13), and the first confirmation buckle (133) is mutually matched with a back cover (24) on one of the high-voltage cables; a second confirmation buckle (134) is fixedly arranged on the other docking platform (13), and the second confirmation buckle (134) is mutually matched with a back cover (24) on another high-voltage cable; the first confirmation buckle (133) and the second confirmation buckle (134) have different shapes.

9. A single-hole simple high-voltage connector according to claim 8, characterized in that: The two rear covers (24) have different colors.

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