Anti-maloperation compact terminal block

Abstract

The utility model relates to the technical field of terminal blocks, in particular to an anti-maloperation compact terminal block, which comprises a base, the upper end of the base is fixedly connected with a cover plate through bolts, two sides of the base are fixedly connected with side seats through bolts, the two groups of side seats are positioned at the lower end of the cover plate, and a plurality of groups of wiring grooves are formed between the base and the side seats. Wiring bolts are in threaded connection with the interiors of the multiple sets of wiring grooves, terminals and wires are clamped to the side walls of the wiring bolts, the terminals are electrically connected with the wires, multiple sets of reciprocating lead screws are in threaded connection with the lower end of the cover plate, and fastening plates are in threaded connection with the side walls of the multiple sets of reciprocating lead screws; after a wire is connected with the terminal, the cover plate is installed, the reciprocating screw rod is screwed, the fastening plate extrudes the wire, and the side wall of the wire is fixed between the fastening plate and the inner wall of the wiring groove, so that the wire is prevented from being easily loosened from being connected with the wiring assembly under the action of external tension, and maloperation during maintenance of the connector bar is prevented.

Description

Technical Field

[0001] The utility model relates to the field of wiring terminal blocks, in particular to a compact wiring terminal block which can prevent misoperation. Background Art

[0002] The terminal block is an insulating component that carries multiple or multiple groups of mutually insulated terminal components and is used to fix the support. The function of the terminal block is to connect the lines of the equipment inside the panel and the equipment outside the panel to play the role of signal (current and voltage) transmission. The terminal block is orderly arranged with wiring slots and wiring components to make the lines compact and easy to bundle and organize.

[0003] Existing compact terminal blocks, such as the one proposed in patent application number "CN201821251917.9", facilitate wiring through conductive components, terminal pieces, screws, rivets and other structures, ensure a more compact connection between the terminal pieces and the substrate, and prevent the terminal pieces from loosening easily.

[0004] However, after the wiring assembly is connected to the external wire, when the wiring block is inspected, the line will be pulled and fiddled with as needed to observe the condition. The wire is easily loosened from the wiring assembly under the action of external tension, resulting in false operation, which makes the damage to the wiring block more serious and increases the maintenance workload. Therefore, a compact terminal block with anti-false operation is proposed. Utility Model Content

[0005] The utility model aims to provide a compact terminal block for preventing misoperation, so as to solve the problems raised in the above-mentioned background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A compact terminal block for preventing misoperation comprises a base, wherein the upper end of the base is fixedly connected to a cover plate by bolts, and both sides of the base are fixedly connected to side seats by bolts, and the two sets of side seats are both located at the lower end of the cover plate, and multiple sets of wiring slots are jointly provided between the base and the side seats, and the multiple sets of wiring slots are all threadedly connected with wiring bolts, and the side walls of the wiring bolts are clamped with terminals and wires, and the terminals are electrically connected to the wires;

[0008] The lower end of the cover plate is threadedly connected to multiple groups of reciprocating screw rods, and the side walls of the multiple groups of reciprocating screw rods are threadedly connected to fastening plates. Both ends of the fastening plates are slidingly connected to the inner wall of the wiring slot. A groove is opened at the lower end of the fastening plate, and the side wall of the wire is clamped in the groove.

[0009] Preferably, the wiring slot passes through the side seat, the wire passes through one end of the wiring slot, multiple groups of wiring slots are arranged in a linear array, the wiring bolts are located in the base, and multiple groups of reciprocating screw rods are respectively located in multiple groups of side seats.

[0010] Preferably, the ends of the plurality of wiring slots located in the base are penetrated by power connection slots, the terminals penetrate the power connection slots, and the ends of the terminals away from the wiring bolts are fixed with bent portions, which are used to electrically connect to external power cables.

[0011] Preferably, the bottom walls of the plurality of wiring slots are all fixedly connected with elastic pads, the elastic pads are located in the side seats, and the fastening plates are squeezed and fitted with the elastic pads, and the cables are located between the fastening plates and the elastic pads.

[0012] Preferably, a plurality of groups of sponge pads are fixedly connected to the lower end of the cover plate, the plurality of groups of sponge pads are all located on the side of the fastening plate close to the wiring bolts, the plurality of groups of sponge pads are all squeezed into the wiring grooves, and a flame retardant layer is applied on the side of the sponge pads close to the wiring bolts.

[0013] Preferably, the cover plate is provided with a plurality of groups of operating holes, the plurality of groups of operating holes are respectively located above the plurality of groups of connecting bolts, and sealing covers are clamped in the plurality of groups of operating holes.

[0014] Beneficial effects of the utility model:

[0015] The utility model forms a wiring assembly through wiring bolts and terminals. After the wires are connected to the terminals, a cover plate is installed, and a reciprocating screw rod is twisted to make the fastening plate squeeze the wires so that the side wall of the wires is fixed between the fastening plate and the inner wall of the wiring slot, thereby preventing the wires from being loosened from the connection with the wiring assembly under the action of external pulling force, and preventing malfunction during maintenance of the wiring row. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall back structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the base of the utility model;

[0020] Figure 4 This is a schematic diagram of the cover structure of the utility model;

[0021] Figure 5 yes Figure 3 A schematic diagram of the structure at A;

[0022] Figure 6 This is a schematic diagram of the cross-sectional structure of the wiring slot of the utility model;

[0023] The reference numerals in the figures are as follows:

[0024] 1. Base; 2. Cover plate; 3. Side seat; 4. Operation hole; 5. Cover; 6. Wiring slot; 7. Wiring bolt; 8. Wire; 9. Terminal; 10. Bending part; 11. Elastic pad; 12. Sponge pad; 13. Flame retardant layer; 14. Reciprocating screw rod; 15. Fastening plate; 16. Groove; 17. Power connection slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] A compact terminal block for preventing malfunction, such as Figure 1-Figure 6 As shown, it includes a base 1, the upper end of the base 1 is fixedly connected to a cover plate 2 by bolts, and both sides of the base 1 are fixedly connected to side seats 3 by bolts, and the two sets of side seats 3 are both located at the lower end of the cover plate 2, and multiple sets of wiring grooves 6 are jointly opened between the base 1 and the side seats 3, and the multiple sets of wiring grooves 6 are all threadedly connected with wiring bolts 7, and the side walls of the wiring bolts 7 are clamped with terminals 9 and wires 8, and the terminals 9 are electrically connected to the wires 8;

[0027] The lower end of the cover plate 2 is threadedly connected to multiple groups of reciprocating screw rods 14, and the side walls of the multiple groups of reciprocating screw rods 14 are threadedly connected to fastening plates 15. Both ends of the fastening plates 15 are slidingly connected with the inner wall of the wiring groove 6. A groove 16 is opened at the lower end of the fastening plate 15, and the side wall of the wire 8 is clamped in the groove 16.

[0028] A wiring assembly is formed by wiring bolts 7 and terminals 9. The wiring bolts 7 are insulated. One end of the terminal 9 is sleeved on the wiring bolts 7. One end of the wire 8 is a U-shaped metal connecting wire, which is inserted into the side wall of the wiring bolt 7. The wiring bolts 7 are tightened to electrically connect the end of the wire 8 with the terminal 9. After the wire 8 is connected to the terminal 9, the cover plate 2 is installed, and the fastening plate 15 is inserted into each group of wiring slots 6. The reciprocating screw rod 14 is turned to move the fastening plate 15 to squeeze the wire 8, so that the side wall of the wire 8 is fixed between the fastening plate 15 and the inner wall of the wiring slot 6, to prevent the wire 8 from being easily loosened from the connection with the wiring assembly under the action of external tension, and to prevent malfunction during maintenance of the wiring row.

[0029] The wiring slot 6 passes through the side seat 3, the wire 8 passes through one end of the wiring slot 6, multiple groups of wiring slots 6 are arranged in a linear array, the wiring bolts 7 are located in the base 1, and multiple groups of reciprocating screw rods 14 are respectively located in multiple groups of side seats 3.

[0030] like Figure 3 As shown, multiple groups of wiring slots 6 are compactly and orderly arranged, and the numbers of wiring bolts 7, reciprocating screw rods 14, and wiring slots 6 correspond.

[0031] The ends of the plurality of wiring slots 6 located in the base 1 are penetrated by a power connection slot 17 , the terminals 9 penetrate the power connection slot 17 , and the ends of the terminals 9 away from the wiring bolts 7 are fixedly connected with a bent portion 10 , which is used to electrically connect to an external power cable.

[0032] like Figure 2 , Figure 6 As shown, the terminal 9 passes through the electrical connection slot 17 to connect with an external cable or power line, the bent portion 10 is not easily damaged, and the space required for installation at the bottom of the base 1 is reduced.

[0033] The bottom walls of the plurality of wiring slots 6 are all fixed with elastic pads 11 , the elastic pads 11 are located in the side seat 3 , and the fastening plates 15 are squeezed and matched with the elastic pads 11 , and the cables are located between the fastening plates 15 and the elastic pads 11 .

[0034] like Figure 5 As shown, the elastic pad 11 prevents the fastening block from over-pressing and damaging the wire 8 .

[0035] The lower end of the cover plate 2 is fixedly connected with multiple groups of sponge pads 12, which are all located on the side of the fastening plate 15 close to the wiring bolts 7, and are squeezed into the wiring groove 6. The side of the sponge pads 12 close to the wiring bolts 7 is coated with a flame retardant layer 13.

[0036] like Figure 5 As shown, the sponge pad 12 fills one end of the wiring slot 6 to prevent dust from entering the wiring slot 6 and affecting the wiring effect. The sponge pad 12 is breathable, and the flame retardant layer 13 prevents the sponge pad 12 from spontaneously igniting around the wiring bolt 7.

[0037] The cover plate 2 is provided with a plurality of operating holes 4 , which are respectively located above the plurality of connecting bolts 7 , and each of the plurality of operating holes 4 is clamped with a sealing cover 5 .

[0038] like Figure 1 , Figure 4 As shown, when the cover plate 2 has been installed, the connection bolt 7 can be screwed through the operation hole 4, and the connection bolt 7 can be tightened without removing the cover plate 2. The cover 5 is easy to disassemble and prevent dust from entering from the operation port.

[0039] The working principle of the compact terminal block for preventing misoperation provided by the utility model is as follows:

[0040] A wiring assembly is formed by wiring bolts 7 and terminals 9. The wiring bolts 7 are insulated. One end of the terminal 9 is sleeved on the wiring bolts 7. One end of the wire 8 is a U-shaped metal connecting wire, which is inserted into the side wall of the wiring bolt 7. The wiring bolts 7 are tightened to electrically connect the end of the wire 8 with the terminal 9. After the wire 8 is connected to the terminal 9, the cover plate 2 is installed, and the fastening plate 15 is inserted into each group of wiring slots 6. The reciprocating screw rod 14 is turned to move the fastening plate 15 to squeeze the wire 8, so that the side wall of the wire 8 is fixed between the fastening plate 15 and the inner wall of the wiring slot 6, to prevent the wire 8 from being easily loosened from the connection with the wiring assembly under the action of external tension, and to prevent malfunction during maintenance of the wiring row.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A compact terminal block for preventing malfunction, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a cover plate (2) by bolts, and the two sides of the base (1) are fixedly connected to side seats (3) by bolts, and the two sets of side seats (3) are both located at the lower end of the cover plate (2). A plurality of sets of wiring slots (6) are provided between the base (1) and the side seats (3), and the plurality of wiring slots (6) are threadedly connected to wiring bolts (7), and the side walls of the wiring bolts (7) are clamped with terminals (9) and wires (8), and the terminals (9) are electrically connected to the wires (8); The lower end of the cover plate (2) is threadedly connected to a plurality of reciprocating screw rods (14), and the side walls of the plurality of reciprocating screw rods (14) are threadedly connected to a fastening plate (15). Both ends of the fastening plate (15) are fitted and slidably connected to the inner wall of the wiring slot (6). A groove (16) is provided at the lower end of the fastening plate (15), and the side wall of the wire (8) is clamped in the groove (16).

2. The anti-malfunction compact terminal block according to claim 1, characterized in that: The wiring slot (6) passes through the side seat (3), the wire (8) passes through one end of the wiring slot (6), the plurality of wiring slots (6) are arranged in a linear array, the wiring bolts (7) are located in the base (1), and the plurality of reciprocating screw rods (14) are respectively located in the plurality of side seats (3).

3. The anti-malfunction compact terminal block according to claim 1, characterized in that: A plurality of groups of wiring slots (6) are provided with a power connection slot (17) at one end located in the base (1), the terminal (9) passes through the power connection slot (17), and a bent portion (10) is fixedly connected to one end of the terminal (9) away from the wiring bolt (7), and the bent portion (10) is used to be electrically connected to an external power connection cable.

4. The anti-malfunction compact terminal block according to claim 1, characterized in that: The bottom walls of the plurality of wiring slots (6) are all fixedly connected with elastic pads (11), the elastic pads (11) are located in the side seat (3), and the fastening plates (15) are squeezed and matched with the elastic pads (11), and the cables are located between the fastening plates (15) and the elastic pads (11).

5. The anti-malfunction compact terminal block according to claim 4, characterized in that: The lower end of the cover plate (2) is fixedly connected with a plurality of groups of sponge pads (12), the plurality of groups of sponge pads (12) are all located on a side of the fastening plate (15) close to the connecting bolts (7), the plurality of groups of sponge pads (12) are all squeezed into the connecting groove (6), and a side of the sponge pads (12) close to the connecting bolts (7) is coated with a flame retardant layer (13).

6. The anti-malfunction compact terminal block according to claim 1, characterized in that: The cover plate (2) is provided with a plurality of groups of operating holes (4), the plurality of groups of operating holes (4) are respectively located above the plurality of groups of connecting bolts (7), and sealing covers (5) are clamped in the plurality of groups of operating holes (4).

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