Connection structure of PCB terminal

Abstract

The utility model discloses a PCB terminal connection structure, comprising a PCB and a terminal assembly, the terminal assembly comprises a detachable housing, a plug-in terminal, an annealed copper wire and a hard terminal, and the plug-in terminal, the annealed copper wire and the hard terminal are all arranged in the detachable housing. The two ends of the soft copper wire are connected with the plug-in terminal and the hard terminal respectively, and the hard terminal penetrates through the detachable shell to be connected with the PCB. According to the connection structure, the assembly of the wire pressing structure and the wire rod can be avoided, the production process is reduced, the terminal plating layer can be prevented from being scratched to influence the welding, and the soft copper wire is small in strength, so that the assembly is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wiring, in particular to a connection structure of a PCB terminal. Background Art

[0002] PCB board is one of the indispensable electrical components in electronic equipment. It needs to be connected with other components when in use. In order to facilitate the connection, connection terminals are generally set on the PCB board to connect the PCB board with other components. In the prior art, the connection terminals and the PCB board are generally electrically connected by crimping. Specifically, one end of this connection terminal structure is used to connect with the external pin, and the other end is designed as a round hole or U-shaped wire groove. After one end of the cable is de-cored, the copper conductor is placed in the round hole or U-shaped groove, and then the terminal is crimped and fixed using a crimping die and a machine. Before crimping, the cable needs to be pre-processed by peeling and de-core. There are many detailed processing steps, the error rate is high, and the manpower and working hours consumed are relatively high. A few connection terminals use an integrated soft braided structure for connection, and the welding position is prone to scratching and leaking copper, which affects welding. In addition, the integrated soft braided terminal is strong and difficult to assemble.

[0003] Therefore, it is necessary to provide a connection structure of PCB terminals to solve the above problems. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a connection structure for PCB terminals, which can avoid the assembly of wire pressing structures and wires and reduce production processes, and can also prevent the terminal plating from being scratched to affect welding, and is more convenient for assembly.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A connection structure of a PCB terminal comprises a PCB board and a terminal assembly, wherein the terminal assembly comprises a detachable shell, a plug-in terminal, a soft copper wire and a hard terminal, and the plug-in terminal, the soft copper wire and the hard terminal are all arranged in the detachable shell, the two ends of the soft copper wire are respectively connected to the plug-in terminal and the hard terminal, and the hard terminal passes through the detachable shell and is connected to the PCB board.

[0007] As a further improvement of the above technical solution, a welding hole is provided on the PCB board, and the hard terminal is fixedly connected in the welding hole.

[0008] As a further improvement of the above technical solution, the detachable shell includes a first shell and a second shell, the second shell is clamped on the upper end of the first shell, and a connecting cavity is formed between the first shell and the second shell, and the soft copper wire is arranged in the connecting cavity.

[0009] As a further improvement of the above technical solution, the first shell is provided with a long mounting hole, the long mounting hole is connected to the connecting cavity, the plug-in terminal is arranged in the long mounting hole, and the upper end of the plug-in terminal is connected to the soft copper wire.

[0010] As a further improvement of the above technical solution, a through hole is provided at the upper end of the second shell, the through hole is connected to the connecting cavity, and the upper end of the hard terminal passes through the through hole and is welded in the welding hole of the PCB board, and the lower end of the hard terminal is connected to the soft copper wire.

[0011] As a further improvement of the above technical solution, a connector is further provided at the upper end of the plug-in terminal, and the connector is connected to the soft copper wire.

[0012] As a further improvement of the above technical solution, the end of the connector is configured to be a flat plate.

[0013] As a further improvement of the above technical solution, a chassis is further provided outside the terminal assembly, a plurality of the terminal assemblies are provided, and the plurality of the terminal assemblies are connected to the chassis.

[0014] The beneficial effects of the utility model are as follows: the utility model changes the integrated terminal into a plug-in terminal and a hard terminal connected at both ends by soft copper wire, and then connects the hard terminal to the PCB board, which can avoid the assembly of the wire pressing structure and the wire material, reduce the production process, save the space occupied by the connection structure, and avoid the terminal plating being scratched to affect welding, thereby improving the reliability of the connection, and the soft copper wire has low strength and is more convenient to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 This is a front view of the PCB terminal connection structure of the utility model;

[0017] Figure 2 It is a front cross-sectional view of the PCB terminal connection structure of the utility model.

[0018] Figure numerals: 1, PCB board; 11, welding hole; 2, terminal assembly; 3, detachable shell; 31, first shell; 311, long mounting hole; 32, second shell; 321, through hole; 33, connecting cavity; 4, plug-in terminal; 41, connecting head; 5, soft copper wire; 6, hard terminal; 7, chassis. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories. For example, fixed connection / fixed installation can be selected according to the needs of screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods. For example, detachable connection can be selected according to the needs of screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, Velcro connection and other methods. The various technical features in the creation of the utility model can be combined interactively without conflicting with each other.

[0020] Reference Figure 1 , Figure 2 A connection structure of a PCB terminal, comprising a PCB board 1 and a terminal assembly 2, wherein the terminal assembly 2 comprises a detachable housing 3, a plug-in terminal 4, a soft copper wire 5 and a hard terminal 6, and the plug-in terminal 4, the soft copper wire 5 and the hard terminal 6 are all arranged in the detachable housing 3, and the two ends of the soft copper wire 5 are respectively connected to the plug-in terminal 4 and the hard terminal 6, and the hard terminal 6 penetrates the detachable housing 3 and is connected to the PCB board 1. This structure of the utility model changes the welded integrated terminal in the prior art into a hard terminal 6 and a soft copper wire 5 connected at the tail by resistance welding. The hard terminal 6 can prevent the plating from being scratched, thereby improving the reliability of the connection. The soft copper wire 5 has low strength, is more convenient to assemble, reduces the production process, saves the space occupied by the connection structure, and can also ensure the connection performance between the PCB board 1 and the terminal assembly 2.

[0021] Reference Figure 2 In an embodiment of the utility model, a welding hole 11 is provided on the PCB board 1, and the upper end of the hard terminal 6 is inserted into the welding hole 11, and then welding is performed, so that the hard terminal 6 and the PCB board 1 are firmly fixed together.

[0022] Reference Figure 2 In an embodiment of the utility model, a chassis 7 is also provided on the outside of the terminal assembly 2, and a plurality of the terminal assemblies 2 are provided, and the plurality of the terminal assemblies 2 are connected to the chassis 7, so as to facilitate the contact and plug-in connection between the two terminal assemblies 2 and the PCB board 1. At the same time, the plurality of terminal assemblies 2 can realize the connection between the PCB board 1 and other different electrical components.

[0023] Reference Figure 2 In an embodiment of the utility model, the detachable shell 3 includes a first shell 31 and a second shell 32, wherein the first shell 31 is provided with a lower groove, and the second shell 32 is provided with an upper groove, and the second shell 32 is snapped into the groove of the first shell 31, so that a connecting cavity 33 is formed between the first shell 31 and the second shell 32, so that the soft copper wire 5 can be arranged in the connecting cavity 33, and the soft copper wire 5 has low strength, which is more convenient for installation and connection.

[0024] Specifically, the first housing 31 is provided with a long strip mounting hole 311, the long strip mounting hole 311 is communicated with the connection cavity 33, the plug-in terminal 4 is provided in the long strip mounting hole 311, and the upper end of the plug-in terminal 4 is connected with the soft copper wire 5. The upper end of the second housing 32 is provided with a through hole 321, the through hole 321 is communicated with the connection cavity 33, and the upper end of the hard terminal 6 passes through the through hole 321 and is welded in the welding hole 11 of the PCB board 1, and the lower end of the hard terminal 6 is connected with the soft copper wire 5.

[0025] Reference Figure 2 In an embodiment of the utility model, a connector 41 is further provided at the upper end of the plug-in terminal 4, and the connector 41 is provided in a flat plate shape, which can increase the welding area, and the soft copper wire 5 is firmly welded to the connector 41 by resistance welding or soldering, thereby improving the connection reliability.

[0026] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A connection structure of a PCB terminal, characterized in that: It includes a PCB board and a terminal assembly, the terminal assembly includes a detachable shell, a plug-in terminal, a soft copper wire and a hard terminal, and the plug-in terminal, the soft copper wire and the hard terminal are all arranged in the detachable shell, the two ends of the soft copper wire are respectively connected to the plug-in terminal and the hard terminal, and the hard terminal passes through the detachable shell and is connected to the PCB board.

2. A connection structure of PCB terminals according to claim 1, characterized in that: The PCB board is provided with a welding hole, and the hard terminal is fixedly connected in the welding hole.

3. The connection structure of a PCB terminal according to claim 1, characterized in that: The detachable shell includes a first shell and a second shell. The second shell is clamped on the upper end of the first shell. A connecting cavity is formed between the first shell and the second shell. The soft copper wire is arranged in the connecting cavity.

4. A connection structure of PCB terminals according to claim 3, characterized in that: The first shell is provided with a long strip mounting hole, the long strip mounting hole is communicated with the connecting cavity, the plug-in terminal is arranged in the long strip mounting hole, and the upper end of the plug-in terminal is connected to the soft copper wire.

5. A connection structure of PCB terminals according to claim 4, characterized in that: A through hole is provided at the upper end of the second shell, the through hole is communicated with the connecting cavity, the upper end of the hard terminal passes through the through hole and is welded in the welding hole of the PCB board, and the lower end of the hard terminal is connected to the soft copper wire.

6. The connection structure of a PCB terminal according to claim 1, characterized in that: The upper end of the plug-in terminal is also provided with a connector, and the connector is connected to the soft copper wire.

7. A connection structure of PCB terminals according to claim 6, characterized in that: The end of the connector is arranged in a plane plate shape.

8. The connection structure of a PCB terminal according to claim 1, characterized in that: A chassis is also provided outside the terminal assembly, and a plurality of the terminal assemblies are provided, and the plurality of the terminal assemblies are connected to the chassis.

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