DZ switch three-color AC power supply terminal wire

The design of the riveting and winding parts solves the problem of the power terminal wire easily falling off under tension, achieves a more stable connection, enhances fireproof and waterproof performance, and extends service life.

CN223390885UActive Publication Date: 2025-09-26YUEQING HENGWO ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422469176.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-09-26
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

In the prior art, when the power terminal wire is connected to the wire, the wire is easily pulled out due to the pulling force, resulting in circuit disconnection and low stability.

Method used

The riveted joint structure includes a rivet wire core and a deformed tooth comb. The rivet wire core is engaged by pressing the force block to increase the friction area. The winding part and sheath design are combined to enhance the connection stability.

Benefits of technology

It effectively reduces the probability of wire falling off, improves the connection stability of the power terminal wire, enhances fireproof and waterproof performance, extends service life, and reduces the risk of electric shock.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a DZ switch three-color AC power supply terminal wire, which relates to the technical field of electric appliances, and comprises a support, a plugging part, a winding part, a riveting part, a lead and a fork-shaped insulation terminal, the plugging part is arranged on the support, the winding part is arranged on the support, the lead is arranged on the support, the fork-shaped insulation terminal is arranged on the lead, and the riveting part is arranged on the fork-shaped insulation terminal. The riveting part comprises a riveting wire core foot, the riveting wire core foot is provided with a deformation comb, the deformation comb is provided with a force application resistance block, the riveting part is adopted, the probability that a lead falls off due to pulling force can be reduced, the probability that the lead falls off due to pulling force in the connection process of a current power supply terminal wire and a wire in the related technology is reduced, and the reliability of the power supply terminal wire is improved. And when a certain degree of tension is generated, the lead is easy to be separated from the plug spring terminal, so that the circuit is disconnected, and the stability is relatively low.
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Description

Technical Field

[0001] The present application relates to the field of electrical appliance technology, and in particular to a DZ switch three-color AC power terminal cable. Background Art

[0002] The DZ switch three-color AC power terminal cable is an AC power cable with three different colored conductors. These colors are usually used to distinguish different functions or phases in the power cable. In the AC power system, the three-color wire may represent different phases or functions. The power terminal cable usually refers to the wire connecting the power supply and the power-consuming equipment. It includes two parts: the wire itself and the terminal.

[0003] Currently, a Chinese utility model patent application, published on January 25, 2022, with publication number CN 215645135U, provides a spring-type terminal comprising a terminal body, wherein the terminal body is provided with a connecting portion and a fixing portion in sequence along its extension direction. The connecting portion has an upper end provided with an upper notch, and a first connecting buckle and a second connecting buckle are provided in sequence at the upper end of the notch, both of which extend upward from the terminal body. The fixing portion is provided with a plug spring and a pin, and the lower end of the pin is provided with a lower notch. The upper end of the fixing portion is provided with an inclined plug spring extending toward the connecting portion. The utility model forms first and second connecting buckles with different taper angles at one end of the spring-type terminal, and provides a positioning slot to facilitate the connection and fixing of wire harnesses of different wire diameters to one end of the spring-type terminal. By providing an elastic arm in the opposite direction of insertion as the plug spring, combined with a long, straight pin, the other end of the spring-type terminal can be easily inserted into the terminal block and fixed therein, preventing poor circuit contact caused by the spring-type terminal becoming loose. The utility model also discloses a terminal strip assembly.

[0004] The power terminal wire in the related art is currently under a certain degree of tension during the connection process with the wire, which can easily cause the wire to fall out of the spring terminal and disconnect the circuit, resulting in low stability.

[0005] Therefore, it is necessary to provide a DZ switch three-color AC power terminal wire to solve the above problems. Utility Model Content

[0006] In order to improve the problem of low stability of the power terminal wire in the related art, in which the current power terminal wire is easily caused to fall out of the spring terminal and disconnect the circuit when a certain degree of tension occurs during the connection process with the wire, the embodiment of the present application provides a DZ switch three-color AC power terminal wire, including a bracket, a plug-in part, a winding part, a riveted part, a lead and a fork-shaped insulating terminal, the plug-in part is arranged on the bracket, the winding part is arranged on the bracket, the lead is arranged on the bracket, the fork-shaped insulating terminal is arranged on the lead, the riveted part includes a rivet core pin, the rivet core pin is provided with a deformable tooth comb, and the deformable tooth comb is provided with a force blocking block.

[0007] The DZ switch three-color AC power terminal cable provided in the embodiment of the present application can be arranged on a bracket by setting the lead wire. The operator presses the force-applying block to press and move the rivet wire core pin, so that the deformed tooth combs on the left and right ends of the rivet wire core pin engage with each other, so that the lead wire is pressed tightly on the bracket, reducing the probability of the lead wire falling off due to tension, and reducing the problem of low stability of the power terminal cable in the related art. When the power terminal cable is connected to the wire, a certain degree of tension occurs, which easily causes the wire to fall out of the spring terminal and disconnect the circuit.

[0008] The above-mentioned technical solution in the embodiment of the present application has at least the following technical effects: by adopting the riveted part, the probability of the lead wire falling off due to tension is reduced, and the problem of low stability of the power terminal wire in the related art, which is that when the power terminal wire is connected to the wire, a certain degree of tension occurs, which easily causes the wire to fall out of the spring terminal and disconnect the circuit.

[0009] In some embodiments, the riveted portion further includes a rivet foot, the rivet foot including a left rivet foot and a right rivet foot, the left rivet foot being provided with a wiring protrusion, the right rivet foot being provided with a deformation groove, and the size of the wiring protrusion being equal to the size of the deformation groove.

[0010] In some embodiments, the winding portion includes a protective baffle, a contact column, and an arc-shaped piece. The protective baffle is disposed on the bracket, the contact column is disposed on the protective baffle, and the arc-shaped piece is disposed on the protective baffle.

[0011] In some embodiments, an anti-slip line is provided on the rivet core foot.

[0012] In some embodiments, the lead includes a flame retardant layer, a PE protective layer, a tensile fiber pad layer, a rubber sleeve and a copper core conduit, the PE protective layer is arranged on the flame retardant layer, the tensile fiber pad layer is arranged on the side of the PE protective layer away from the flame retardant layer, the rubber sleeve is arranged on the side of the tensile fiber pad layer away from the PE protective layer, and the copper core conduit is arranged on the rubber sleeve.

[0013] In some embodiments, a first sheath is provided on the lead, and an end of the first sheath away from the lead is provided on the fork-shaped insulating terminal.

[0014] In some embodiments, a through hole is formed on the bracket, and a barb is provided on the through hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0016] Figure 1 A schematic diagram of the three-dimensional structure of the three-color AC power terminal cable of the DZ switch provided in an embodiment of the present application;

[0017] Figure 2 A schematic diagram of the three-dimensional structure of the bracket provided in an embodiment of the present application;

[0018] Figure 3 for Figure 1 The cross-sectional view at AA is shown;

[0019] Among them, the reference numerals in the figures are:

[0020] 1. Bracket; 2. Connecting part; 3. Winding part; 31. Contact column; 32. Arc-shaped piece; 33. Protective baffle; 4. Riveted part; 41. Rivet core pin; 411. Deformed tooth comb; 412. Force block; 42. Rivet leather foot; 421. Left rivet leather foot; 422. Right rivet leather foot; 423. Wiring protrusion; 424. Deformed groove; 5. Hook; 6. Anti-slip wire; 7. Lead; 71. Flame retardant layer; 72. PE protective layer; 73. Tensile fiber cushion layer; 74. Rubber sleeve; 75. Copper core wire; 8. Fork-shaped insulated terminal; 9. First sheath. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the accompanying drawings are intended to cover non-exclusive inclusions.

[0023] In order to improve the problem of low stability of the power terminal wire in the related art, in which the power terminal wire is easily pulled out of the spring terminal and the circuit is disconnected when a certain degree of tension occurs during the connection process with the wire, the embodiment of the present application provides the following solution.

[0024] Please also refer to Figure 1 and Figure 2 An embodiment of the present application provides a DZ switch three-color AC power terminal cable, which includes a bracket 1, a plug-in portion 2, a winding portion 3, a riveted portion 4, a lead 7 and a fork-shaped insulating terminal 8. The plug-in portion 2 is arranged on the bracket 1, the winding portion 3 is arranged on the bracket 1, the lead 7 is arranged on the bracket 1, the fork-shaped insulating terminal 8 is arranged on the lead 7, and the riveted portion 4 is arranged on the bracket 1.

[0025] In some embodiments, please refer to Figure 3 The riveted part 4 includes a rivet core pin 41, which is provided with a deformed tooth comb 411, and a force block 412 is provided on the deformed tooth comb 411. The riveted part 4 also includes a rivet leather pin 42, and the rivet leather pin 42 includes a left rivet leather pin 421 and a right rivet leather pin 422. The left rivet leather pin 421 is provided with a wiring protrusion 423, and the right rivet leather pin 422 is provided with a deformed groove 424. The size of the wiring protrusion 423 is equal to the size of the deformed groove 424. The rivet core pin 41 is provided with an anti-slip wire 6. The winding part 3 includes a protective baffle 33, a contact column 31 and an arc-shaped piece 32. The protective baffle 33 is arranged on the bracket 1, the contact column 31 is arranged on the protective baffle 33, and the arc-shaped piece 32 is arranged on the protective baffle 33.

[0026] When the user presses the force-applying block 412 on the bracket 1, the operator presses and moves the rivet core pin 41, so that the deformed tooth combs 411 at the left and right ends of the rivet core pin 41 engage with each other, so that the lead 7 is pressed against the bracket 1, and at the same time, the connection protrusions 423 on the left rivet leather pin 421 and the right rivet leather pin 422 engage with the deformed groove 424 to press the lead 7. At the same time, the anti-slip wire 6 is provided on the rivet core pin 41 to increase the friction area. At the same time, the winding part 3 is provided to allow the lead 7 to be wound around the contact post 31. During the winding process, the baffle guides the lead 7, which facilitates the winding of the lead 7 on the contact post 31, increases the contact area, and reduces the probability of the lead 7 falling off due to tension, thereby reducing the problem of low stability of the power terminal wire in the related art.

[0027] In some embodiments, please refer to Figure 3 The lead 7 includes a flame retardant layer 71, a PE protective layer 72, a tensile fiber pad layer 73, a rubber sleeve 74 and a copper core conduit. The PE protective layer 72 is arranged on the flame retardant layer 71, the tensile fiber pad layer 73 is arranged on the side of the PE protective layer 72 away from the flame retardant layer 71, the rubber sleeve 74 is arranged on the side of the tensile fiber pad layer 73 away from the PE protective layer 72, and the copper core conduit is arranged on the rubber sleeve 74.

[0028] With such a configuration, the flame retardant layer 71 can effectively slow down or prevent the spread of flames, reducing the damage to the wires caused by fire. During combustion, the flame retardant material can reduce the generation of toxic smoke and gas, improving safety during fire. At the same time, the flame retardant layer 71 helps to protect the internal wires from direct damage by external flames. The PE protective layer 72 can effectively prevent current leakage, ensuring the safe use of the wires. The PE layer has good resistance to a variety of chemicals, extending the service life of the wires, providing additional physical protection, and reducing the impact of external physical damage on the wires. The tensile fiber pad layer 73 can improve the tensile strength of the overall structure, making the wires less likely to break when subjected to tension. When subjected to impact or pressure, the pad layer can absorb part of the energy and protect the internal wires from damage. The tensile fiber pad layer 73 helps to improve the overall durability and service life of the wires. The rubber sleeve 74 has good softness and elasticity and can adapt to different installation environments and conditions. The rubber material has excellent waterproof and moisture-proof properties, protecting the wires from erosion by moisture and water. At the same time, the rubber sleeve 74 has good resistance to daily wear and tear, extending the service life of the wires.

[0029] In some embodiments, please refer to Figure 3The lead wire 7 is provided with a first sheath 9, and one end of the first sheath 9 away from the lead wire 7 is provided on a fork-shaped insulating terminal 8. A through hole is opened on the bracket 1, and a barb 5 is provided on the through hole.

[0030] In this way, a sheath is provided on the bracket 1 and the fork-shaped insulating terminal 8. The sheath can prevent accidental contact with the live part and reduce the risk of electric shock. The sheath can prevent the exposed conductive part from contacting other conductors, thereby preventing the occurrence of short circuits. The sheath is usually made of insulating material, which can further improve the insulation performance of the terminal and ensure the safe transmission of current. In a humid, dusty or corrosive environment, the sheath can provide additional protection to prevent the insulation performance from degrading. The sheath can absorb a certain amount of impact and vibration to protect the terminal from physical damage. In the case of stretching or bending, the sheath helps to maintain the structural integrity of the terminal. The sheath helps to maintain a stable connection of the terminal and reduce poor contact caused by vibration or temperature changes. For electrical connections exposed to corrosive environments, the sheath can provide additional protection and extend the service life of the terminal. At the same time, a barb 5 is provided on the bracket 1 to reduce the probability of the bracket 1 being damaged due to tension.

[0031] The implementation principle of a three-color AC power terminal line for a DZ switch in the embodiment of the present application is as follows: by setting the lead wire 7 on the bracket 1, the operator presses the force-applying block 412 to press and move the rivet wire core pin 41, so that the deformed tooth combs 411 at the left and right ends of the rivet wire core pin 41 engage with each other, so that the lead wire 7 is pressed tightly against the bracket 1, and at the same time, the wiring protrusions 423 and the deformed grooves 424 on the left rivet wire leather pin 421 and the right rivet wire leather pin 422 engage with each other to press the lead wire 7. At the same time, an anti-slip wire 6 is provided on the rivet wire core pin 41 to increase the friction area. At the same time, a winding part 3 is provided to allow the lead wire 7 to be wound around the contact column 31. During the winding process, the baffle guides the lead wire 7, which facilitates the winding of the lead wire 7 on the contact column 31 and increases the contact surface. The lead wire 7 is provided with a flame retardant layer 71, which can effectively slow down or prevent the spread of flames and reduce the damage caused by fire to the wires. When burning, the flame retardant material can reduce the generation of toxic smoke and gas, thereby improving the safety during fire. At the same time, the flame retardant layer 71 helps to protect the internal wires from direct damage by external flames. The PE protective layer 72 can effectively prevent current leakage, ensure the safe use of the wires, and the PE layer has good resistance to a variety of chemicals, extending the life of the wires. The service life of the wire is prolonged, additional physical protection is provided, and the impact of external physical damage on the wire is reduced. The tensile fiber cushion layer 73 can improve the tensile strength of the overall structure, so that the wire is not easy to break when subjected to tension. When subjected to impact or pressure, the cushion layer can absorb part of the energy and protect the internal wire from damage. The tensile fiber cushion layer 73 helps to improve the overall durability and service life of the wire. The rubber sleeve 74 has good softness and elasticity and can adapt to different installation environments and conditions. The rubber material has good waterproof and moisture-proof properties, protecting the wire from moisture and water erosion. At the same time, the rubber sleeve 74 has good resistance to daily wear and tear, extending the service life of the wire. At the same time, a sheath is provided on the bracket 1 and the fork-shaped insulating terminal 8, and the sheath can To prevent accidental contact with live parts and reduce the risk of electric shock, the sheath can prevent the exposed conductive parts from contacting other conductors, thereby preventing the occurrence of short circuits. The sheath is usually made of insulating material, which can further improve the insulation performance of the terminal and ensure the safe transmission of current. In humid, dusty or corrosive environments, the sheath can provide additional protection to prevent the degradation of insulation performance. The sheath can absorb a certain amount of impact and vibration to protect the terminal from physical damage. In the case of stretching or bending, the sheath helps to maintain the structural integrity of the terminal. The sheath helps to maintain a stable connection of the terminal and reduce poor contact due to vibration or temperature changes. For electrical connections exposed to corrosive environments, the sheath can provide additional protection and extend the service life of the terminal.At the same time, a barb 5 is provided on the bracket 1 to reduce the probability of the bracket 1 being damaged due to tension.

[0032] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A DZ switch three-color AC power terminal cable, characterized by: The invention comprises a bracket (1), a plug-in portion (2), a winding portion (3), a riveting portion (4), a lead (7), and a fork-shaped insulating terminal (8); the plug-in portion (2) is arranged on the bracket (1); the winding portion (3) is arranged on the bracket (1); the lead (7) is arranged on the bracket (1); the fork-shaped insulating terminal (8) is arranged on the lead (7); the riveting portion (4) comprises a rivet core pin (41); a deformable tooth comb (411) is arranged on the rivet core pin (41); and a force-applying block (412) is arranged on the deformable tooth comb (411).

2. A DZ switch three-color AC power terminal cable according to claim 1, characterized in that: The riveted portion (4) further comprises a rivet leather foot (42), wherein the rivet leather foot (42) comprises a left rivet leather foot (421) and a right rivet leather foot (422), wherein the left rivet leather foot (421) is provided with a connection protrusion (423), and the right rivet leather foot (422) is provided with a deformation groove (424), and the size of the connection protrusion (423) is equal to the size of the deformation groove (424).

3. A DZ switch three-color AC power terminal cable according to claim 2, characterized in that: The winding portion (3) comprises a protective baffle (33), a contact column (31) and an arc-shaped piece (32); the protective baffle (33) is arranged on the bracket (1); the contact column (31) is arranged on the protective baffle (33); and the arc-shaped piece (32) is arranged on the protective baffle (33).

4. A DZ switch three-color AC power terminal cable according to claim 3, characterized in that: An anti-slip line (6) is provided on the rivet core foot (41).

5. A DZ switch three-color AC power terminal cable according to claim 4, characterized in that: The lead (7) comprises a flame retardant layer (71), a PE protective layer (72), a tensile fiber cushion layer (73), a rubber sleeve (74) and a copper core conduit; the PE protective layer (72) is arranged on the flame retardant layer (71); the tensile fiber cushion layer (73) is arranged on a side of the PE protective layer (72) away from the flame retardant layer (71); the rubber sleeve (74) is arranged on a side of the tensile fiber cushion layer (73) away from the PE protective layer (72); and the copper core conduit is arranged on the rubber sleeve (74).

6. A DZ switch three-color AC power terminal cable according to claim 5, characterized in that: The lead wire (7) is provided with a first sheath (9), and one end of the first sheath (9) away from the lead wire (7) is provided on a fork-shaped insulating terminal (8).

7. A DZ switch three-color AC power terminal cable according to claim 6, characterized in that: The bracket (1) is provided with a through hole, and the through hole is provided with a barb (5).

Citation Information

Patent Citations

  • Pin type insertion spring terminal and terminal material belt combination

    CN215645135U