Wiring terminal structure of leakage protector
By designing a leakage protector terminal structure including an insulated clamping joint, a locking connecting post and a wedge-shaped clamping plate, the problems of inconvenient connection and unadjustable terminal angle in the prior art are solved, convenient fixation of leads and multi-angle adaptation are achieved, and the reliability of power supply is improved.
Patent Information
- Application Number
- CN202421813539.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-30
AI Technical Summary
When connecting the circuit, the terminal structure of the existing leakage protector is inconvenient to external connection, and the terminal angle of the connecting board cannot be adjusted, resulting in high failure rate and poor power supply reliability.
A terminal structure including a first terminal piece, a second terminal piece and a conductive copper terminal piece is designed. Through the combination of an insulated clamping joint, a locking connecting post and a wedge-shaped clamping board, the limiting and fixing of the leads is achieved, avoiding the inconvenience of screw connection, and allowing bending in multiple directions and angles to adapt to different installation sizes.
It realizes good limit and fixation of leads, is convenient to operate, reduces the occurrence rate of faults, and improves the reliability of power supply.
Smart Images

Figure CN222953014U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a wiring terminal structure of a leakage protector, belonging to the technical field of wiring terminals. Background Art
[0002] The leakage protector, also known as the leakage switch or leakage circuit breaker, is mainly used to protect the equipment from leakage faults and personal electric shock with fatal danger. It has overload and short-circuit protection functions, and can be used to protect the line or motor from overload and short circuit. It can also be used for infrequent switching and starting of the line under normal circumstances. The part connecting the circuit in the leakage protector is the wiring terminal. Patent No. CN201120509300.4 provides a leakage protector connection terminal, including a connection plate, which is bent into a "Z" shape, and lead connection holes are respectively provided at both ends of the connection plate. The leakage protector connection terminal described in the utility model is used, and the connection plate is bent into a "Z" shape, which is used to connect the lower end of the leakage protector of the low-voltage distribution box and the transition terminal, which effectively reduces the failure rate and improves the power supply reliability.
[0003] The above-disclosed terminal block has the following disadvantages: when a part of the terminal structure of the external connection circuit is connected to the circuit terminal, screws are usually used for connection, which is very inconvenient, and the connection plate is bent into a "Z" shape, and the angle of the terminal cannot be adjusted. Therefore, we design a terminal block structure for a leakage protector. Utility Model Content
[0004] The utility model aims to provide a wiring terminal structure of a leakage protector to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a terminal structure of a leakage protector, comprising a first terminal piece, a second terminal piece and a conductive copper terminal column, a first terminal connecting seat being provided at one end of the first terminal piece, a second terminal connecting seat being installed at one end of the second terminal piece, the second terminal connecting seat and the first terminal connecting seat being integrally connected with both ends of the conductive copper terminal column, a right-angle notch being provided on one side of the second terminal piece, an insulating card connector being provided inside the right-angle notch, a connecting card being provided at one end of the insulating card connector, a locking connecting column being provided at the center hole of the connecting card, an inner channel for plugging into the locking connecting column being provided at the outer surface of the second terminal piece, wedge-shaped card plates being provided at the top and bottom of the locking connecting column, and the two wedge-shaped card plates being extruded and connected to the center hole of the connecting card.
[0006] In the above-mentioned terminal structure of the leakage protector, a lead connection hole is provided at the top of the first terminal piece.
[0007] In the above-mentioned terminal structure of the leakage protector, an insulating rubber sleeve is provided on the outer surface of the conductive copper terminal column, and two ends of the insulating rubber sleeve are respectively connected to the second terminal connection seat and the first terminal connection seat.
[0008] In the above-mentioned terminal structure of the leakage protector, a lead connection notch is provided at the top of the second terminal piece, and the lead connection notch corresponds to the insulating card connector.
[0009] In the above-mentioned terminal structure of the leakage protector, the first terminal piece is a circular structure, the second terminal piece is a three-quarter circular structure of the first terminal piece, and the insulating card connector is a quarter circular structure of the first terminal piece.
[0010] In the above-mentioned terminal structure of the leakage protector, an extrusion section is provided at the inner side of the insulating clamping seat, and the extrusion section corresponds to the lead connection notch.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model provides a terminal structure for a leakage protector, in which an insulating card connector is arranged at a notch on one side of a second terminal piece, and a card and a corresponding locking connection column are connected through the insulating card connector, an inner channel plugged into the locking connection column is arranged at the outer surface of the second terminal piece, and a wedge-shaped card plate is arranged to be squeezed and connected with the center hole of the connection card, which has a good effect of limiting the lead wire, does not need to be fixed with screws and tools, and has good operational convenience; by integrally connecting the second terminal connection seat and the first terminal connection seat with the two ends of the conductive copper terminal column, and arranging an insulating rubber sleeve to have good protection, the first terminal piece and the second terminal piece can be bent in multiple directions and angles, so as to better adapt to different installation size differences. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of a terminal structure of a leakage protector of the utility model;
[0014] Figure 2 This is a structural schematic diagram of a second terminal piece of a wiring terminal structure of a leakage protector of the utility model;
[0015] Figure 3 The utility model is a schematic diagram of the structure of an insulating rubber sleeve of a terminal structure of a leakage protector.
[0016] In the figure: 1. first terminal piece; 2. second terminal piece; 3. first terminal connection seat; 4. second terminal connection seat; 5. insulating rubber sleeve; 6. lead connection hole; 7. lead connection notch; 8. insulating card seat; 9. connection card; 10. extrusion section; 11. locking connection column; 12. inner channel; 13. wedge-shaped card plate; 14. conductive copper terminal column. DETAILED DESCRIPTION
[0017] 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 in 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.
[0018] See also Figure 1-3 The utility model provides a technical solution for the terminal structure of a leakage protector:
[0019] Embodiment 1: The terminal block includes a first terminal piece 1, a second terminal piece 2 and a conductive copper terminal column 14, a first terminal connecting seat 3 is provided at one end of the first terminal piece 1, a second terminal connecting seat 4 is installed at one end of the second terminal piece 2, the second terminal connecting seat 4 and the first terminal connecting seat 3 are integrally connected with both ends of the conductive copper terminal column 14, a right-angle notch is provided on one side of the second terminal piece 2, an insulating card seat 8 is provided inside the right-angle notch, a connecting card 9 is provided at one end of the insulating card seat 8, a locking connecting column 11 is provided at the center hole of the connecting card 9, an inner channel 12 which is plugged into the locking connecting column 11 is provided on the outer surface of the second terminal piece 2, wedge-shaped card plates 13 are provided at the top and bottom of the locking connecting column 11, and the two wedge-shaped card plates 13 are squeezed and connected to the center hole of the connecting card 9.
[0020] In this embodiment, if Figure 1 As shown, a lead connection hole 6 is provided at the top of the first terminal piece 1. A lead connection notch 7 is provided at the top of the second terminal piece 2, and the lead connection notch 7 corresponds to the insulating clamping seat 8; an extrusion section 10 is provided on the inner side of the insulating clamping seat 8, and the extrusion section 10 corresponds to the lead connection notch 7. This design is for better lead wiring and is convenient for forming a good circuit connection with the first terminal piece 1 and the second terminal piece 2.
[0021] In this embodiment, if Figure 1 and Figure 3 As shown, the outer surface of the conductive copper terminal column 14 is provided with an insulating rubber sleeve 5, and the two ends of the insulating rubber sleeve 5 are respectively connected to the second terminal connection seat 4 and the first terminal connection seat 3. This design is to better protect the conductive copper terminal column 14 and prevent leakage and aging.
[0022] In this embodiment, the first terminal piece 1 is a circular structure, the second terminal piece 2 is a three-quarter circular structure of the first terminal piece 1 , and the insulating card socket 8 is a quarter circular structure of the first terminal piece 1 .
[0023] Working principle: The utility model terminal block consists of a terminal block including a first terminal piece 1, a second terminal piece 2 and a conductive copper terminal column 14, wherein the first terminal piece 1 is connected to one end of the conductive copper terminal column 14 through a first terminal connecting seat 3, and one end of the second terminal piece 2 is connected to the conductive copper terminal column 14 through a second terminal connecting seat 4. When wiring is required, the lead connection hole 6 is directly installed into the interior of the leakage protector (installed in advance when the leakage protector is produced). Since a right-angle notch is provided on one side of the second terminal piece 2, the right-angle notch is connected to the lead connection notch 7, the lead is placed inside the lead connection notch 7, and an insulating card seat 8 is provided inside the right-angle notch. The insulating card seat 8 is connected to the inner channel 12 through a connecting card 9 and a locking connecting column 11 at its center hole, and two wedge-shaped locking plates 13 are provided to be squeezed and connected with the center hole of the connecting card 9, and an extrusion section 10 is provided on the inner side of the insulating card seat 8, and the extrusion section 10 can further improve the pressing effect on the lead. Such a structural design has a good effect of limiting the lead wire, does not need to be fixed with screws or tools, and has good operational convenience.
[0024] In the present invention, the conductive copper terminal column 14 is a conductive copper wire in the prior art, which has a good bending effect and can withstand tens of thousands of bendings without breaking.
[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.
Claims
1. A terminal structure for a leakage protector, comprising a first terminal piece (1), a second terminal piece (2) and a conductive copper terminal column (14), characterized in that: A first terminal connection seat (3) is provided at one end of the first terminal piece (1), a second terminal connection seat (4) is installed at one end of the second terminal piece (2), the second terminal connection seat (4) and the first terminal connection seat (3) are integrally connected with the two ends of the conductive copper terminal column (14), a right-angle notch is provided on one side of the second terminal piece (2), an insulating card seat (8) is provided inside the right-angle notch, a connection card (9) is provided at one end of the insulating card seat (8), a locking connection column (11) is provided at the center hole of the connection card (9), an inner channel (12) plugged into the locking connection column (11) is provided on the outer surface of the second terminal piece (2), a wedge-shaped card plate (13) is provided at the top and bottom of the locking connection column (11), and the two wedge-shaped card plates (13) are squeezed and connected to the center hole of the connection card (9).
2. The terminal structure of a leakage protector according to claim 1, characterized in that: A lead connection hole (6) is provided at the top end of the first terminal piece (1).
3. The terminal structure of a leakage protector according to claim 1, characterized in that: An insulating rubber sleeve (5) is provided on the outer surface of the conductive copper terminal column (14), and two ends of the insulating rubber sleeve (5) are respectively connected to the second terminal connection seat (4) and the first terminal connection seat (3).
4. The terminal structure of a leakage protector according to claim 1, characterized in that: A lead connection notch (7) is provided at the top end of the second terminal piece (2), and the lead connection notch (7) corresponds to the insulating card connector (8).
5. The terminal structure of a leakage protector according to claim 1, characterized in that: The first terminal piece (1) is a circular structure, the second terminal piece (2) is a three-quarter circular structure of the first terminal piece (1), and the insulating card connector (8) is a quarter circular structure of the first terminal piece (1).
6. The terminal structure of a leakage protector according to claim 1, characterized in that: An extrusion section (10) is provided on the inner side of the insulating clamping seat (8), and the extrusion section (10) corresponds to the lead connection notch (7).
Citation Information
Patent Citations
Connecting terminal of current leakage protector
CN202333164U