A terminal with a disconnecting blade

Abstract

The utility model discloses a kind of wiring terminals with breaking knife switch, including terminal block with line slot, at least two conductive plates, there is also knife switch piece between two conductive plates, electric conducting part and electric separation part are respectively arranged at both ends of knife switch piece, can be electrically cut off or conducted to conductive plate, fuse holder is also connected between conductive plate, can play electrical safety guarantee function.Further, knife switch piece is provided with multiple columns of intercommunicating electric conducting part, and the electric conducting part is connected in parallel with the conductive plate in wiring terminal by inserting knife switch mouth intercommunication.The wiring terminal of the utility model is provided with breaking knife switch, and when using, it can be based on fuse holder, quickly fused or operated to swing to quickly cut off electrical conduction, and the setting of knife switch piece can make operator cut off conductive plate to realize double isolation when replacing and maintaining fuse holder, and based on the setting of knife switch slot, by selecting knife switch piece, it can make parallel wiring terminal circuit linkage, and it is more flexible and safer to use.

Description

Technical Field

[0001] This utility model relates to the field of terminal block technology, and specifically to a terminal block with a disconnecting knife switch. Background Technology

[0002] Currently, in field applications, one end of the terminal block connects to the equipment, and the other end connects to the power distribution. When a circuit fault occurs, causing the fuse on the terminal block to blow, the correct procedure is to disconnect the circuit to troubleshoot the fault, replace the fuse with a new one, and then restore power. Therefore, it is common practice to use a knife switch or similar device on the circuit to first disconnect the entire circuit before replacing the fuse. However, there may be no knife switch nearby to interrupt the circuit. As a result, many operators ignore the lack of circuit continuity and disconnection measures and directly replace the fuse holder. Although the rotary plug-in fuse holder structure on the terminal block has a certain functional isolation capability, allowing the fuse to be replaced without the circuit, in scenarios with high safety requirements, it is still necessary to add a knife switch to achieve double isolation. Utility Model Content

[0003] In view of the prior art, the purpose of this utility model is to provide a terminal block structure design with a built-in disconnect switch function, which can quickly perform electrical connection and disconnection of the terminal block.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a terminal block with a disconnecting knife switch, including a terminal block with a wire groove, the wire groove being provided with a conductive plate, the conductive plate including at least a first guide plate and a second guide plate, the terminal block being provided with a knife switch opening, the knife switch opening being directly opposite the gap between the first guide plate and the second guide plate, and a knife switch component being provided to disconnect the electrical conduction between the first guide plate and the second guide plate.

[0005] As a further feature of the above solution, the knife switch includes a switch seat, the switch seat is provided with an electrical conductivity part and a mounting cap, and the mounting cap is provided with a hook that matches the slot provided on the switch seat.

[0006] As a further feature of the above scheme, the gap is also provided with a movable groove, and the movable groove is provided with an insulating sheet and a top spring.

[0007] As a further feature of the above scheme, the knife switch is provided with multiple rows of interconnected conductive sections, which are connected to the conductive plates inside the terminals after being inserted into the knife switch port.

[0008] As a further feature of the above scheme, the first guide plate and the second guide plate are also provided with a folding plate extending toward the knife gate opening. The front end of the folding plate is provided with a guide slope, which is used to guide the knife gate component to be inserted into the gap.

[0009] As a further feature of the above solution, the conductive plate also includes a third guide plate, and a fuse holder is provided between the third guide plate and the second guide plate. The fuse holder is hinged and flipped to be disassembled relative to the terminal block.

[0010] As a further feature of the above solution, the fuse holder is provided with a fuse tube and an indicator light plate, and the terminal block is provided with conductive clips opposite to the third guide plate and the second guide plate.

[0011] Beneficial effects: This utility model has a knife switch disconnection function, and at the knife switch disconnection point, it can also achieve direct-insertion bridging by means of a knife switch component, connecting multiple terminals in parallel for electrical conduction. The knife switch component can disconnect the circuit after the fuse holder blows and before replacing it into the circuit, achieving double isolation and avoiding the hidden danger of secondary risks caused by replacing the fuse holder while it is energized. It has a good protective effect on the use of terminals with fuses. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the terminal block structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the internal structure of the knife switch in the disconnected state in this embodiment.

[0014] Figure 3 This is a schematic diagram of the internal structure of the knife switch in the closed state in this embodiment.

[0015] Figure 4 This is a schematic diagram of the disconnection state of the insulating sheet in this embodiment.

[0016] Figure 5 This is a schematic diagram of the structure of the knife switch component in this embodiment.

[0017] Reference numerals: 1. Terminal block; 11. Knife switch port; 12. Knife switch component; 13. Switch seat; 14. Conductive part; 15. Insulating part; 16. Mounting cap; 17. Hook; 18. Slot; 2. Wire groove; 3. Conductive plate; 31. First guide plate; 32. Second guide plate; 33. Third guide plate; 34. Gap; 35. Conductive clip; 37. Folding plate; 38. Guide slope; 4. Fuse holder; 41. Fuse tube; 42. Indicator light panel; 43. Movable slot; 44. Insulating piece; 45. Top spring. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, where there is no conflict, the embodiments and features described in these embodiments can be combined with each other.

[0019] like Figure 1-5 The terminal block shown includes a terminal block 1 with a wire groove 2. The wire groove 2 is provided with a conductive plate 3. The conductive plate 3 includes at least a first guide plate 31 and a second guide plate 32. The terminal block 1 is provided with a knife switch opening 11. The knife switch opening 11 is directly opposite to the gap 34 between the first guide plate 31 and the second guide plate 32. A knife switch component 12 is provided to interrupt the electrical conduction between the first guide plate 31 and the second guide plate 32.

[0020] As a further provision of the above solution, the knife switch 12 includes a switch seat 13, the switch seat 13 is provided with a conductive part 14 and a mounting cap 16, and the mounting cap 16 is provided with a hook 17 that matches the slot 18 provided on the switch seat 13.

[0021] As a further provision of the above scheme, the gap 34 is also provided with a movable groove 43, and the movable groove 43 is provided with an electrical insulating sheet 44 and a top spring 45.

[0022] As a further provision of the above scheme, the knife switch 12 is provided with multiple rows of conductive parts 14 that are interconnected. The conductive parts 14 are inserted into the knife switch port 11 and then connected to the conductive plates 3 of the terminal blocks installed in parallel.

[0023] As a further provision of the above scheme, the first guide plate 31 and the second guide plate 32 are also provided with a folding plate 37 extending toward the knife gate opening 11. The front end of the folding plate 37 is provided with a guide slope 38, which is used to guide the knife gate component 12 to be inserted into the gap 34.

[0024] As a further feature of the above scheme, the conductive plate 3 also includes a third guide plate 33, and a fuse holder 4 is provided between the third guide plate 33 and the second guide plate 32. The fuse holder 4 is hinged and flipped to be disassembled relative to the terminal block 1.

[0025] As a further provision of the above scheme, the fuse holder 4 is provided with a fuse tube 41 and an indicator light plate 42, and the terminal block 1 is provided with a conductive clip 35 opposite to the third guide plate 33 and the second guide plate 32.

[0026] refer to Figure 1-5The present invention discloses a terminal block with a disconnecting knife switch, comprising a terminal block 1 with a wire groove 2, wherein the wire groove 2 is provided with a conductive plate 3, the conductive plate 3 including at least a first guide plate 31 and a second guide plate 32, the terminal block 1 is provided with a knife switch opening 11, the knife switch opening 11 is directly opposite to the gap 34 between the first guide plate 31 and the second guide plate 32, and a knife switch component 12 is provided to disconnect the electrical conduction between the first guide plate 31 and the second guide plate 32.

[0027] In this embodiment, the first guide plate 31, the second guide plate 32, and the third guide plate 33 are all made of high-quality copper, possessing excellent conductivity and corrosion resistance. Simultaneously, the conductive clip 35 is also made of elastic material, ensuring tight contact between the fuse holder 4 and the second guide plate 32 and the third guide plate 33, thus improving the reliability and stability of the circuit. The knife switch 12 provides operators with more options for the wiring terminals and enhances safety during the replacement of the wiring terminals and fuse tube 41.

[0028] As a further detailed design of the above scheme, the knife switch 12 is meticulously designed, including a key switch base 13. This switch base 13 is equipped with a conductive section 14 and an insulating section 15. The conductive section 14 is made of copper, while the insulating section 15 and the insulating sheet 44 are made of insulating materials such as resin, ensuring effective electrical connection and isolation. For ease of installation and fixation, the conductive section 14 is also equipped with a mounting cap 16. The mounting cap 16 is cleverly designed, featuring a hook 17 that precisely matches a pre-set slot 18 on the switch base 13, ensuring a stable and convenient installation process. Furthermore, the knife switch 12 can be further optimized with multiple rows of conductive sections 14, which are interconnected to form a unified conductive network. When multiple rows of terminals are used side by side, the knife switch 12 of the multi-row conductive section 14 can be inserted into the adjacent knife switch port 11 to smoothly connect the conductive plate 3 in the parallel-installed terminals, thereby achieving smooth circuit connection and efficient transmission.

[0029] As a further configuration of the above scheme, the first guide plate 31 and the second guide plate 32 are also provided with a folding plate 37 extending toward the knife gate opening 11. The front end of the folding plate 37 is equipped with a guide slope 38, which is designed to guide the knife gate component 12 to be accurately inserted into the gap 34.

[0030] This design not only improves the accuracy of inserting the knife switch 12, but also greatly simplifies the installation process, allowing operators to quickly complete the installation without tedious adjustments. The bevel angle of the guide ramp 38 is precisely calculated to ensure sufficient guiding effect while avoiding excessive resistance during installation. Furthermore, the material and thickness of the folding plate 37 are carefully selected to ensure sufficient strength and durability, maintaining stable guiding function over long-term use. This brings greater convenience and reliability to the use of the terminal blocks.

[0031] As a further provision of the above scheme, the conductive plate 3 also includes a third guide plate 33. A fuse holder 4 is provided between the third guide plate 33 and the second guide plate 32. The fuse holder 4 is hinged and flipped to be disassembled relative to the terminal block 1. A fuse tube 41 and an indicator light plate 42 are provided on the fuse holder 4. A conductive clip 35 is provided in the terminal block 1 relative to the third guide plate 33 and the second guide plate 32.

[0032] As described above, the conductive clip 35 in this embodiment is used to clamp the conductor portions at both ends of the fuse tube 41 on the fuse holder 4, thereby ensuring a stable electrical connection between the fuse tube 41 and the third guide plate 33 and the second guide plate 32. The indicator light plate 42 is connected to the conductor portions at both ends of the fuse tube 41.

[0033] Furthermore, when fuse tube 41 blows, the LED indicator on the indicator panel 42 will serve as an indication signal, allowing the operator to directly view the current status of fuse tube 41 from the front and prompting the operator to replace fuse tube 41, thereby ensuring the safe operation of the circuit.

[0034] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of this utility model and its equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A terminal block with a disconnecting switch, comprising a terminal block (1) with a wire groove (2), characterized in that: The wire groove (2) is provided with a conductive plate (3), the conductive plate (3) includes at least a first guide plate (31) and a second guide plate (32), the terminal block (1) is provided with a knife gate (11), the knife gate (11) is directly opposite to the gap (34) between the first guide plate (31) and the second guide plate (32), and a knife gate component (12) is provided to cut off the electrical conduction between the first guide plate (31) and the second guide plate (32).

2. A terminal block with a disconnecting switch according to claim 1, characterized in that: The knife switch component (12) includes a switch seat (13), the switch seat (13) is provided with a conductive part (14) and a mounting cap (16), the mounting cap (16) is provided with a hook (17) that matches the slot (18) provided on the switch seat (13).

3. A terminal block with a disconnecting switch according to claim 2, characterized in that: The gap (34) is also provided with a movable groove (43), and the movable groove (43) is provided with an insulating sheet (44) and a top spring (45).

4. A terminal block with a disconnecting switch according to claim 2, characterized in that: The knife switch (12) is provided with multiple rows of conductive parts (14) that are interconnected. The conductive parts (14) are inserted into the knife switch port (11) and then connected to the conductive plates (3) of the terminal blocks installed in parallel.

5. A terminal block with a disconnecting switch according to claim 1, characterized in that: The first guide plate (31) and the second guide plate (32) are also provided with a folding plate (37) extending toward the knife gate opening (11). The front end of the folding plate (37) is provided with a guide slope (38), which is used to guide the knife gate component (12) to be inserted into the gap (34).

6. A terminal block with a disconnecting switch according to claim 1, characterized in that: The conductive plate (3) also includes a third guide plate (33), and a fuse holder (4) is provided between the third guide plate (33) and the second guide plate (32). The fuse holder (4) is hinged and flipped to be disassembled relative to the terminal block (1).

7. A terminal block with a disconnecting switch according to claim 6, characterized in that: The fuse holder (4) is provided with a fuse tube (41) and an indicator light plate (42), and the terminal block (1) is provided with conductive clips (35) opposite to the third guide plate (33) and the second guide plate (32).

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