Pluggable PCB wiring terminal
By designing plug-in and unplugged PCB terminals, using limiting components and engaging structures, the problem of screws required to be installed and fixed in the prior art is solved, and the stable limiting of the connecting wire and easy operation are achieved.
Patent Information
- Application Number
- CN202420821485.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing screw-type PCB terminals need to be installed and fixed using a screw tool, which is cumbersome and limited in operation.
A plug-in and unplugged PCB terminal is designed, adopting a limiting assembly and a clamping structure. The stable limit of the connecting wire is achieved through the position adjustment of the limiting plate, avoiding the operation of screwing.
The good stability of the connecting wire is achieved between the insulating plate and the metal plate. The multiple limits do not require the operator to screw the screws, reducing the cumbersomeness and limitations of operation.
Smart Images

Figure CN222775596U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wiring terminals, in particular to a plug-in type PCB wiring terminal. Background Art
[0002] Terminal blocks are often used as nodes for circuit connectivity. Wires can be inserted into the through holes of the terminals to achieve circuit connectivity. The base of the terminal blocks is electrically connected to the PCB circuit board.
[0003] For example, a screw-type PCB terminal block with application number CN202222127895.8 is provided with an external insulating material housing. The connecting wire is clamped by rotating the screw, which improves the strength of the clamping and facilitates the adjustment of the strength and the removal of the wire. The operation is convenient and the connection is stable. However, the terminal block needs to be installed and fixed with a tool for screwing the screw, which is cumbersome and has limitations.
[0004] Therefore, in view of this, research and improvement are conducted on the existing structure and defects, and a plug-in PCB terminal block is provided. Utility Model Content
[0005] The purpose of the utility model is to provide a pluggable PCB terminal to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plug-in PCB terminal, comprising a first terminal and a side frame, side frames are arranged on the outer surfaces of both sides of the first terminal, and a limit assembly for auxiliary limit is installed inside the side frame, the limit assembly comprises a built-in shaft, a connecting sleeve, a connecting rod and a connecting spring, and a connecting sleeve is rotatably installed on the outer surface of the built-in shaft, a connecting rod is arranged on the outer surface of the connecting sleeve, and a limit plate is installed on the end of the connecting rod, a connecting spring is installed on the outer surface of one side of the connecting rod, and the side frame is arranged at the end of the connecting spring, a metal plate is arranged inside the first terminal, and a connecting wire is arranged inside the metal plate, an insulating plate is installed on the outer surface of the metal plate, and guide grooves are opened on both sides of the insulating plate.
[0007] Furthermore, the guide groove is a hollow rectangular structure, and the shape of the guide groove is consistent with the shape and structure of the side frame.
[0008] Furthermore, the first wiring terminal and the side frame are an integrated structure, and two groups of side frames are provided.
[0009] Furthermore, the first connecting terminal is snap-connected to the metal plate, and the metal plate and the insulating plate are tightly fitted.
[0010] Furthermore, clamping plates are installed at the four corners of the outer surface of the insulating plate, and the clamping plates form a clamping structure with the first connecting terminal through the groove.
[0011] Furthermore, the insulating plate and the side frame are snap-connected, and the insulating plate and the guide groove are communicated with each other.
[0012] Furthermore, assembly components for assisting assembly are arranged on both sides of the first wiring terminal, and the assembly components include an assembly plate and a slot, and the assembly plate is arranged inside the slot.
[0013] Furthermore, the first wiring terminal is mounted with the second wiring terminal by means of an assembly plate and a card slot, and the first wiring terminal and the second wiring terminal have completely identical structures.
[0014] The utility model provides a pluggable PCB terminal block, which has the following beneficial effects:
[0015] 1. The utility model adopts the design of the limit assembly, which makes it easy to limit the connection wire inside the insulating plate again by adjusting the position of the limit plate, so that the connection wire has good stability between the insulating plate and the metal plate. Multiple limits do not require the operator to fix the terminal by screwing screws, reducing the complexity and limitations of the operation.
[0016] 2. When installing the terminal block of the utility model, the operator pushes the metal plate along the inner wall of the first terminal block so that the metal plate and the first terminal block are engaged and fixed, thereby achieving preliminary positioning of the metal plate and the connecting wire. The design of the connecting wire and the metal plate being connected to each other enables the metal plate to be in full contact with the inner wall of the first terminal block, thereby providing stable connectivity and avoiding poor contact. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the expanded structure of a pluggable PCB terminal block of the utility model;
[0018] Figure 2 This is a schematic diagram of the external structure of a pluggable PCB terminal block of the utility model;
[0019] Figure 3 The utility model is a schematic diagram of the connection structure of a first wiring terminal and a second wiring terminal of a pluggable PCB wiring terminal.
[0020] In the figure: 1. first terminal; 2. second terminal; 3. insulating plate; 4. connecting wire; 5. side frame; 6. fixing plate; 7. limiting assembly; 701. built-in shaft; 702. connecting sleeve; 703. connecting rod; 704. connecting spring; 8. limiting plate; 9. clamping plate; 10. metal plate; 11. guide groove; 12. assembly assembly; 1201. assembly plate; 1202. clamping groove. DETAILED DESCRIPTION
[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0022] like Figure 1 and Figure 2As shown, a pluggable PCB terminal comprises a first terminal 1, a second terminal 2, an insulating plate 3, a connecting wire 4, a side frame 5, a fixing plate 6, a limiting assembly 7, a built-in shaft 701, a connecting sleeve 702, a connecting rod 703, a connecting spring 704, a limiting plate 8, a clamping plate 9, a metal plate 10, a guide groove 11, an assembly assembly 12, an assembly plate 1201 and a clamping groove 1202. The outer surfaces of both sides of the first terminal 1 are provided with side frames 5, and the limiting assembly 7 for auxiliary limiting is installed inside the side frame 5. The first terminal 1 is mounted with the second terminal 2 through the clamping of the assembly plate 1201 and the clamping groove 1202, and The first terminal block 1 and the second terminal block 2 have the same structure. The first terminal block 1 and the second terminal block 2 are provided with an assembly plate 1201 and a card slot 1202 on both sides, so that the assembly plate 1201 and the card slot 1202 can be assembled and used according to the needs of use. The structure is simple and convenient for users to operate. The first terminal block 1 is provided with an assembly component 12 for auxiliary assembly on both sides, and the assembly component 12 includes an assembly plate 1201 and a card slot 1202. The assembly plate 1201 is provided inside the card slot 1202. The first terminal block 1 is connected by a card slot 10, and the metal plate 10 and the insulating plate 3 are tightly connected. The first terminal 1 and the side frame 5 are an integrated structure, and the side frame 5 is provided with two groups, the limiting assembly 7 includes a built-in shaft 701, a connecting sleeve 702, a connecting rod 703 and a connecting spring 704, and the outer surface of the built-in shaft 701 is rotatably installed with the connecting sleeve 702, the outer surface of the connecting sleeve 702 is provided with a connecting rod 703, and the end of the connecting rod 703 is installed with a limiting plate 8, the outer surface of one side of the connecting rod 703 is provided with a connecting spring 704, and the side frame 5 is arranged at the end of the connecting spring 704, and moves toward the inside of the first terminal 1 through the metal plate 10, and the insulating plate 3 can be engaged and limited in the inner part of the two groups of side frames 5. On the other hand, the connecting rod 703 can be rotated at an angle by using the built-in shaft 701 and the connecting sleeve 702. When the connecting rod 703 is in the guide groove 11 on both sides of the insulating plate 3, the connecting spring 704 between the connecting rod 703 and the fixing plate 6 extends outward, so that the limiting plate 8 at the end of the connecting rod 703 can move toward the center of the insulating plate 3, so that the connecting wire 4 in the insulating plate 3 can be limited again by adjusting the position of the limiting plate 8, so that the connecting wire 4 has good stability between the insulating plate 3 and the metal plate 10, and multiple limiting operations do not require the operator to fix the terminal by screwing screws, thereby reducing the complexity and limitations of the operation.
[0023] like Figure 2 and Figure 3As shown, a metal plate 10 is provided inside the first terminal 1, and a connecting wire 4 is provided inside the metal plate 10, an insulating plate 3 is installed on the outer surface of the metal plate 10, and guide grooves 11 are provided on both sides of the insulating plate 3, and clamping plates 9 are installed at the four corners of the outer surface of the insulating plate 3, and the clamping plates 9 form a clamping structure with the first terminal 1 through the groove, the insulating plate 3 and the side frame 5 are clamped and connected, and the insulating plate 3 and the guide groove 11 are interconnected, the guide groove 11 is a hollow rectangular structure, and the shape of the guide groove 11 is consistent with the shape and structure of the side frame 5. When installing the terminal, the operator pushes the metal plate 10 along the inner wall of the first terminal 1 so that the metal plate 10 is clamped and fixed with the first terminal 1, thereby realizing the preliminary limiting of the metal plate 10 and the connecting wire 4, and the design of the interconnection between the connecting wire 4 and the metal plate 10 enables the metal plate 10 to be fully in contact with the inner wall of the first terminal 1, has stable connectivity, and avoids poor contact.
[0024] In summary, the pluggable PCB terminal block is first based on Figure 1-Figure 3 The structure shown in the figure is that an assembly plate 1201 and a card slot 1202 are provided on both sides of the first wiring terminal 1 and the second wiring terminal 2, so that the assembly plate 1201 and the card slot 1202 are designed to be assembled and used according to the needs of use. Then, when installing the wiring terminal, the operator pushes the metal plate 10 along the inner wall of the first wiring terminal 1 so that the metal plate 10 and the first wiring terminal 1 are engaged and fixed, thereby realizing the preliminary positioning of the metal plate 10 and the connecting wire 4. The design of the connection between the connecting wire 4 and the metal plate 10 enables the metal plate 10 to be completely in contact with the inner wall of the first wiring terminal 1. The metal plate 10 moves toward the inside of the first wiring terminal 1, and the insulating plate 3 It can be engaged and limited on the inner side of the two groups of side frames 5, and the connecting rod 703 can be rotated at an angle by using the built-in shaft 701 and the connecting sleeve 702. When the connecting rod 703 is inside the guide groove 11 on both sides of the insulating plate 3, the connecting spring 704 between the connecting rod 703 and the fixed plate 6 extends outward, so that the limiting plate 8 at the end of the connecting rod 703 can move toward the center of the insulating plate 3, so that the connecting wire 4 inside the insulating plate 3 can be limited again by adjusting the position of the limiting plate 8, so that the connecting wire 4 has good stability with respect to the insulating plate 3 and the metal plate 10. Multiple limiting operations do not require the operator to fix the terminal by screwing screws, thereby reducing the complexity and limitations of the operation.
[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A pluggable PCB terminal block, comprising a first terminal block (1) and a side frame (5), characterized in that: Side frames (5) are arranged on the outer surfaces of both sides of the first connecting terminal (1), and a limiting assembly (7) for auxiliary limiting is installed inside the side frame (5), the limiting assembly (7) comprises an inner shaft (701), a connecting sleeve (702), a connecting rod (703) and a connecting spring (704), and a connecting sleeve (702) is rotatably installed on the outer surface of the inner shaft (701), and a connecting rod (703) is arranged on the outer surface of the connecting sleeve (702), and the connecting rod (703) A limiting plate (8) is installed at the end of the connecting rod (703), a connecting spring (704) is installed on the outer surface of one side of the connecting rod (703), and a side frame (5) is arranged at the end of the connecting spring (704), a metal plate (10) is arranged inside the first connecting terminal (1), and a connecting wire (4) is arranged inside the metal plate (10), an insulating plate (3) is installed on the outer surface of the metal plate (10), and guide grooves (11) are provided on both sides of the insulating plate (3).
2. A pluggable PCB terminal according to claim 1, characterized in that: The guide groove (11) is a hollow rectangular structure, and the shape of the guide groove (11) is consistent with the shape and structure of the side frame (5).
3. The pluggable PCB terminal block according to claim 1, characterized in that: The first connecting terminal (1) and the side frame (5) are an integrated structure, and two groups of the side frames (5) are provided.
4. The pluggable PCB terminal block according to claim 1, characterized in that: The first connecting terminal (1) and the metal plate (10) are snap-connected, and the metal plate (10) and the insulating plate (3) are tightly fitted.
5. The pluggable PCB terminal block according to claim 1, characterized in that: A clamping plate (9) is installed at each of the four corners of the outer surface of the insulating plate (3), and the clamping plate (9) forms a clamping structure with the first wiring terminal (1) through a groove.
6. The pluggable PCB terminal block according to claim 1, characterized in that: The insulating plate (3) and the side frame (5) are in snap-fit connection, and the insulating plate (3) and the guide groove (11) are in communication with each other.
7. The pluggable PCB terminal block according to claim 1, characterized in that: Assembly components (12) for assisting assembly are arranged on both sides of the first connecting terminal (1), and the assembly component (12) comprises an assembly plate (1201) and a slot (1202), wherein the assembly plate (1201) is arranged inside the slot (1202).
8. The pluggable PCB terminal block according to claim 7, characterized in that: The first connecting terminal (1) is mounted with the second connecting terminal (2) by means of an assembly plate (1201) and a clamping slot (1202), and the first connecting terminal (1) and the second connecting terminal (2) have completely identical structures.
Citation Information
Patent Citations
Screw type PCB wiring terminal
CN217768825U
Cited By
Pluggable wiring terminal of printed circuit board
CN120566110A
A plug-in terminal for a printed circuit board
CN120566110B