An explosion-proof wiring terminal for new energy vehicles

Abstract

The utility model discloses a new energy vehicle is with explosion -proof terminal, including output block and input block, the output block surface is equipped with output wire slot, and the output block is inserted with output wire through output wire slot, and the output block is provided with the output locking assembly for locking output wire, and the one end fixedly connected with extension plate of input block is equipped with input wire slot on the extension plate, and the input block is inserted with input wire through input wire slot on the extension plate, and the input locking assembly of locking input wire is arranged on the input block, and the conductive assembly for connecting output wire and input wire is arranged on the output block and input block, and the conductive plug can adaptively slide along the sliding groove of output block, avoids the structural stress concentration caused by rigid connection, and the clamping groove on the conductive plug is movable stroke, simultaneously guarantees that it is not easy to separate in the use process, and the elastic abutment of spring plate can absorb vibration impact force.

Description

Technical Field

[0001] This utility model relates to the field of terminal block technology, specifically an explosion-proof terminal block for new energy vehicles. Background Technology

[0002] Existing terminal blocks are mostly rigid conductive structures lacking buffer design. Vibration easily leads to component wear, increased mating gaps, increased contact resistance, and a tendency to generate arcs. Although some terminals have springs, they do not coordinate with the conductive path, making poor contact unavoidable. Furthermore, the wires cannot be immediately disconnected when subjected to a certain degree of tension, easily leading to wire breakage and terminal damage. Exposed high-voltage wires are prone to short circuits and electrical sparks, damaging expensive electrical appliances. Therefore, those skilled in the art provide an explosion-proof terminal block for new energy vehicles to solve the problems mentioned in the background art. Utility Model Content

[0003] The purpose of this utility model is to provide an explosion-proof terminal block for new energy vehicles to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An explosion-proof terminal block for new energy vehicles includes an output block and an input block. The output block has an output wire slot on its surface, through which an output wire is inserted. An output locking component for locking the output wire is provided inside the output block. An extension plate is fixedly connected to one end of the input block. An input wire slot is provided on the extension plate, through which an input wire is inserted. An input locking component for locking the input wire is provided on the input block. Conductive components for connecting the output wire and the input wire are provided on the output block and the input block.

[0006] Furthermore, the output locking assembly includes a clamping plate, a first threaded groove, and an output locking nut. The clamping plate is provided inside the output block, and the first threaded groove is provided at the upper end of the output block. The output locking nut is threadedly connected to the output block through the first threaded groove, and one end of the output locking nut abuts against the clamping plate.

[0007] Furthermore, the input locking assembly includes an input locking nut, a second threaded groove, and a conductive base. The second threaded groove is provided on the surface of the input block, and the input locking nut is threadedly connected to the input block through the second threaded groove. The conductive base is fixedly connected inside the input block, and the end of the input locking nut abuts against the conductive base.

[0008] Furthermore, the conductive component includes a contact plate and a conductive plug. A sliding groove is provided on the output block, and a conductive plug is slidably connected in the sliding groove. One end of the conductive plug is fixedly connected to the contact plate, and the contact plate is placed in the output wire slot.

[0009] Furthermore, the conductive component also includes a U-shaped conductive connecting plate and a spring plate. The U-shaped conductive connecting plate and the spring plate are fixedly connected inside the input block, and the U-shaped conductive connecting plate and the spring plate are arranged around the conductive plug. The spring plate abuts against the conductive plug, and one end of the U-shaped conductive connecting plate is fixedly connected to the conductive base.

[0010] Furthermore, the output wire is placed between the clamping plate and the contact plate, and the input wire is placed between the conductive base and the input locking nut.

[0011] By adopting the above technical solution

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. The sliding connection between the conductive plug and the output block sliding groove, combined with the elastic buffering effect of the spring plate, can absorb the vibration and impact force during the operation of new energy vehicles, and avoid structural wear or breakage of rigid connections due to long-term vibration. At the same time, the spring plate can keep the conductive plug in close contact with the U-shaped conductive connection plate, ensuring the contact surface and thus preventing the generation of electric sparks.

[0014] 2. The output block uses an output locking assembly consisting of a clamping plate and an output locking nut to firmly secure the output wire between the clamping plate and the contact plate. The input block uses an input locking assembly consisting of an input locking nut and a conductive base to confine the input wire between the conductive base and the locking nut. This dual locking structure effectively prevents wire displacement and detachment caused by vibration during the operation of new energy vehicles, ensuring the long-term stability of the connection between the wire and the terminal block and eliminating contact problems caused by loose wires.

[0015] 3. The input and output blocks are designed separately, which can directly detach the wires when they are pulled by external force, preventing them from continuing to be energized due to poor contact, which could lead to short circuits and electrical sparks that could damage electrical appliances. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an explosion-proof terminal block for new energy vehicles.

[0017] Figure 2 This is a front view schematic diagram of an explosion-proof terminal block for new energy vehicles;

[0018] Figure 3 This is a schematic diagram of a half-section structure of an explosion-proof terminal block for new energy vehicles;

[0019] Figure 4 A schematic diagram of the detachable structure of an explosion-proof terminal block for new energy vehicles;

[0020] In the diagram: 1. Output block; 2. Clamping plate; 3. Contact plate; 4. Input block; 5. Input locking nut; 6. Extension plate; 7. First threaded slot; 8. Output locking nut; 9. Conductive plug; 10. U-shaped conductive connecting plate; 11. Second threaded slot; 12. Sliding groove; 13. Output wire slot; 14. Input wire slot; 15. Conductive base; 16. Spring plate. Detailed Implementation

[0021] To make the technical means, creative features, achieved objectives and effects of this utility model easier to understand, the present utility model is further described below in conjunction with specific embodiments. In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0022] Please see Figures 1-4 This utility model provides an embodiment of an explosion-proof terminal block for new energy vehicles, including an output block 1 and an input block 4. The surface of the output block 1 is provided with an output wire slot 13, through which an output wire is inserted into the output block 1. An output locking component for locking the output wire is provided inside the output block 1. One end of the input block 4 is fixedly connected to an extension plate 6, which is provided with an input wire slot 14. An input wire is inserted into the input block 4 through the input wire slot 14 on the extension plate 6. An input locking component for locking the input wire is provided on the input block 4. Conductive components for connecting the output wire and the input wire are provided on the output block 1 and the input block 4.

[0023] In this embodiment, the output locking assembly includes a clamping plate 2, a first threaded groove 7, and an output locking nut 8. The clamping plate 2 is disposed inside the output block 1, and the first threaded groove 7 is provided at the upper end of the output block 1. The output locking nut 8 is threadedly connected to the output block 1 through the first threaded groove 7, and one end of the output locking nut 8 abuts against the clamping plate 2. The clamping plate 2 is placed inside the output block 1 and located directly above the contact plate 3. One end of the clamping plate 2 is fixed to the guide boss on the inner wall of the output block 1. Then, the output locking nut 8 is screwed into the first threaded groove 7 at the upper end of the output block 1 until the lower end face of the nut contacts the upper surface of the clamping plate 2. After continuous screwing, the clamping plate 2 and the contact surface can clamp the output wire.

[0024] In this embodiment, the input locking assembly includes an input locking nut 5, a second threaded groove 11, and a conductive base. The second threaded groove 11 is provided on the surface of the input block 4. The input locking nut 5 is threadedly connected to the input block 4 through the second threaded groove 11. The conductive base is fixedly connected inside the input block 4. The end of the input locking nut 5 abuts against the conductive base. One end of the U-shaped conductive connecting plate 10 is fixed to the conductive base by silver brazing. The conductive base is fixed inside the input block 4 by countersunk screws, and the upper surface of the conductive base is flush with the bottom of the input wire slot 14 of the input block 4.

[0025] In this embodiment, the conductive component includes a contact plate 3 and a conductive plug 9. A sliding groove 12 is provided on the output block 1, and the conductive plug 9 is slidably connected within the sliding groove 12. One end of the conductive plug 9 is fixedly connected to the contact plate 3, which is placed within the output wire slot 13. The conductive component also includes a U-shaped conductive connecting plate 10 and a spring plate. The U-shaped conductive connecting plate 10 and the spring plate are fixedly connected within the input block 4, and are arranged around the conductive plug 9, with the spring plate abutting against the conductive plug 9. One end of the U-shaped conductive connecting plate 10 is fixedly connected to a conductive base. The output wire is placed under pressure. Between plate 2 and contact plate 3, the input wire is placed between the conductive base and the input locking nut 5; the conductive plug 9 and contact plate 3 are processed by integral stamping forming process, one end of the conductive plug 9 is inserted into the sliding groove 12 of the output block 1 to ensure that it can slide along the axial direction of the groove (parallel to the wire insertion direction); the contact plate 3 extends into the output wire slot 13 of the output block 1, and two beryllium copper spring plates are placed at the U-shaped conductive connection opening to ensure that when the conductive plug 9 is inserted into the U-shaped connection plate, the spring plate abutment part can generate a pre-tightening force, and at the same time, a snap-fit ​​groove can be opened on the conductive plug 9 to cooperate with the spring plate to ensure that it is not easy to fall off during use.

[0026] The conductive plug 9 can slide adaptively along the sliding groove 12 of the output block 1, avoiding structural stress concentration caused by rigid connection. The snap-fit ​​groove on the conductive plug 9 has a movable stroke, ensuring that it is not easy to detach during use. The elastic contact part of the spring plate can absorb the vibration impact force, and at the same time, it always applies a pre-tightening force to the conductive plug 9, ensuring that the conductive plug 9 and the U-shaped conductive connecting plate 10 are tightly fitted, avoiding contact gaps caused by vibration, and thus preventing the generation of electric sparks. If the pulling force exceeds 50N, the engagement between the conductive plug 9 and the U-shaped conductive connecting plate 10 can be forcibly separated, the input block 4 is separated from the output block 1, and the conductive circuit is directly cut off. This avoids the wire being pulled and only having poor contact (such as partial contact of conductors), which would lead to abnormal current in the circuit. This prevents electric sparks caused by short circuits from damaging the battery pack, motor controller and other electrical appliances. At the same time, cutting off the power can avoid the safety risks caused by continuous discharge.

[0027] The sliding connection between the conductive plug 9 and the sliding groove 12 of the output block 1, combined with the elastic buffering effect of the spring plate, can absorb the vibration and impact force during the operation of new energy vehicles, preventing structural wear or breakage of rigid connections due to long-term vibration. Simultaneously, the spring plate ensures that the conductive plug 9 remains tightly pressed against the U-shaped conductive connection plate 10, guaranteeing contact and preventing the generation of electric sparks. The output block 1, through the output locking assembly of "pressure plate 2 + output locking nut 8," firmly fixes the output wire between the pressure plate 2 and the contact plate 3. The input block 4, through the input locking assembly of "input locking nut 5 + conductive base," confines the input wire between the conductive base and the locking nut. This double locking structure effectively prevents wire displacement and detachment caused by vibration during the operation of new energy vehicles, ensuring the long-term stability of the connection between the wire and the terminal block, and eliminating contact problems caused by loose wires. The separate design of the input block 4 and the output block 1 allows the wire to detach directly when pulled by external force, preventing continuous energization due to poor contact, which could lead to short circuits and electric sparks that could damage electrical appliances.

[0028] This specification describes embodiments, but not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An explosion-proof terminal block for new energy vehicles, comprising an output block (1) and an input block (4), characterized in that, The output block (1) has an output wire slot (13) on its surface. The output block (1) is connected to an output wire through the output wire slot (13). The output block (1) is provided with an output locking component for locking the output wire. One end of the input block (4) is fixedly connected to an extension plate (6). The extension plate (6) has an input wire slot (14). The input block (4) is connected to an input wire through the input wire slot (14) on the extension plate (6). The input block (4) is provided with an input locking component for locking the input wire. The output block (1) and the input block (4) are provided with conductive components for connecting the output wire and the input wire.

2. The explosion-proof terminal block for new energy vehicles according to claim 1, characterized in that, The output locking assembly includes a clamping plate (2), a first threaded groove (7), and an output locking nut (8). The clamping plate (2) is provided inside the output block (1). The first threaded groove (7) is provided at the upper end of the output block (1). The output block (1) is threadedly connected to the output locking nut (8) through the first threaded groove (7). One end of the output locking nut (8) abuts against the clamping plate (2).

3. The explosion-proof terminal block for new energy vehicles according to claim 2, characterized in that, The input locking assembly includes an input locking nut (5), a second threaded groove (11), and a conductive base. The second threaded groove (11) is provided on the surface of the input block (4). The input locking nut (5) is threadedly connected to the input block (4) through the second threaded groove (11). The conductive base is fixedly connected inside the input block (4). The end of the input locking nut (5) abuts against the conductive base.

4. The explosion-proof terminal block for new energy vehicles according to claim 3, characterized in that, The conductive component includes a contact plate (3) and a conductive plug (9). A sliding groove (12) is provided on the output block (1). The conductive plug (9) is slidably connected in the sliding groove (12). One end of the conductive plug (9) is fixedly connected to the contact plate (3). The contact plate (3) is placed in the output wire slot (13).

5. The explosion-proof terminal block for new energy vehicles according to claim 4, characterized in that, The conductive component also includes a U-shaped conductive connecting plate (10) and a spring plate. The U-shaped conductive connecting plate (10) and the spring plate are fixedly connected inside the input block (4). The U-shaped conductive connecting plate (10) and the spring plate are arranged around the conductive plug (9). The spring plate abuts against the conductive plug (9). One end of the U-shaped conductive connecting plate (10) is fixedly connected to the conductive base.

6. The explosion-proof terminal block for new energy vehicles according to claim 5, characterized in that, The output wire is placed between the clamping plate (2) and the contact plate (3), and the input wire is placed between the conductive base and the input locking nut (5).

Images