Welding plate terminal

Abstract

The utility model discloses a soldering block terminal, and aims to solve the problem that the height of a conventional PCB terminal is too large due to an under-board stop structure. The terminal comprises an integrally formed terminal body, two sides of one end of the terminal body are provided with large wire pressing pins, and two sides of the other end of the terminal body are provided with small wire pressing pins. And an on-board positioning structure is arranged below the large wire pressing pin, and an installation interval for installing a circuit board is formed between the large wire pressing pin and the small wire pressing pin. A supporting matching plate is arranged in the mounting interval, and the mounting interval formed between the supporting matching plate and the outer wall of the terminal main body is in interference fit with the inner wall of the through hole of the circuit board. According to the design, the under-board height after the terminal is installed is obviously reduced, and the space utilization rate and the structural stability are improved.

Description

Technical Field

[0001] This utility model relates to the field of terminal technology, specifically to a soldering plate terminal. Background Technology

[0002] As electronic devices become smaller and lighter, higher demands are placed on the compactness and integration of printed circuit boards (PCBs) and their related components. Effectively connecting various electronic components is a crucial step in PCB design and manufacturing, and PCB terminals, as one of the key components for achieving this goal, not only ensure reliable electrical connections but also directly affect the overall structural layout of the device and the miniaturization of the final product.

[0003] Commonly used PCB terminals on the market (such as) Figure 1 As shown, a design typically employs an on-board positioning mechanism and an under-board stop structure to confine the circuit board between the on-board positioning mechanism and the under-board stop structure (e.g., Figure 2 (As shown). While this structure ensures the stability of the terminals fixed to the PCB, the additional space required to accommodate this stop structure results in a relatively large under-board height (H) of the entire PCB terminal after installation. This makes it unsuitable for applications with strict space constraints. Specifically, when the available internal height of these devices is limited, traditional PCB terminals with under-board stop structures often fail to meet actual assembly requirements, thus limiting the possibility of further reducing the product's size.

[0004] Therefore, to address the aforementioned issues, it is necessary to develop a novel soldering plate terminal design that can significantly reduce the under-board height of the terminals after installation while ensuring good electrical performance and physical stability. This would allow the design to be adapted to a wider range of applications, and is particularly important for products that pursue an extremely compact layout. Utility Model Content

[0005] In view of the shortcomings of the prior art, the present invention provides a soldering plate terminal.

[0006] The technical solution adopted by this utility model is: a soldering terminal, including an integrally formed terminal body, with large pressure feet extending from both sides of one end of the terminal body and small pressure feet extending from both sides of the other end, and a plate positioning structure provided on the terminal body below the large pressure feet, forming an installation area for mounting a circuit board between the plate positioning structure and the small pressure feet, and a support plate provided on the terminal body within the installation area, the installation area formed between the support plate and the outer wall of the terminal body being interference-fitted with the inner wall of the through hole of the circuit board.

[0007] Furthermore, there are two support plates, which are respectively located on both sides of the terminal body. The diameter φ1 formed between the outermost point A of the support plate and the outer wall B of the terminal body is greater than the through hole diameter φ2 of the circuit board.

[0008] Furthermore, the side of the support plate is provided with paint holes.

[0009] Furthermore, the positioning structure on the board consists of two pieces, which are formed by folding the terminal body to both sides.

[0010] Furthermore, the positioning structure on the plate folds outward at an angle of 40-70°.

[0011] Furthermore, the connection between the positioning structure on the plate and the supporting plate is formed by tearing.

[0012] Furthermore, the support plate has a guide slope on the bottom side of the small pressure foot.

[0013] Furthermore, the guide slope and the vertical surface of the support plate are transitioned with rounded corners.

[0014] Furthermore, the outer side of the guide slope is chamfered.

[0015] The beneficial effects of this utility model are:

[0016] 1. Reduced under-board height: This application effectively reduces the overall height of the soldered terminals under the circuit board by eliminating the traditional separate under-board stop structure and combining its function with the support plate. This is especially important for modern electronic devices where space is extremely valuable, particularly in highly sensitive applications, where it can greatly optimize internal space layout and improve space utilization.

[0017] 2. Enhanced Structural Stability: The interference fit design between the support plate and the inner wall of the through-hole on the circuit board ensures a tight connection between the terminals and the circuit board. Furthermore, the mounting area formed between the support plate and the outer wall of the terminal body provides additional clamping force to prevent the circuit board from loosening, improving the overall structural stability and ensuring long-term reliability.

[0018] 3. Improved space utilization: Since the additional under-board stop structure is no longer needed, the overall size of the terminal is optimized, allowing more components to be arranged in a limited space or reducing the overall thickness of the circuit board, thereby improving the space utilization of the circuit board.

[0019] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The utility model will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the existing terminal structure.

[0021] Figure 2 This is a schematic diagram showing the connection between existing terminals and the circuit board.

[0022] Figure 3 This is a schematic diagram of the structure of this utility model.

[0023] Figure 4 This is a top view of the present invention.

[0024] Figure 5 This is a bottom view of the present invention.

[0025] Figure 6 This is a schematic diagram of the circuit board structure.

[0026] Figure 7 This is a schematic diagram showing the connection and use of this utility model with a circuit board.

[0027] Figure 1-7 In the middle: 1. Large pressure pin; 2. Small pressure pin; 3. Positioning structure on the board; 4. Circuit board; 5. Support board; 6. Through hole; 7. Paint hole; 8. Guide slope; 9. Rounded corner transition; 10. Chamfer. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0030] This utility model provides a soldering plate terminal.

[0031] In this embodiment, refer to Figure 1-7The soldering terminal includes an integrally formed terminal body. Large pressure feet 1 extend from both sides of one end of the terminal body, and small pressure feet 2 extend from both sides of the other end. A plate positioning structure 3 is provided on the terminal body below the large pressure feet 2. An installation area for mounting a circuit board 4 is formed between the plate positioning structure 3 and the small pressure feet. A support plate 5 is provided on the terminal body within the installation area. The installation area formed between the support plate 5 and the outer wall of the terminal body is interference-fitted with the inner wall of the through hole 6 of the circuit board 4.

[0032] In the above technical solution, the terminal body is integrally molded, ensuring the overall structural strength of the terminal body. The design of large and small wire clamps meets the connection requirements of different wire diameters. The on-board positioning structure can position the circuit board for installation, and the interference fit between the support board and the outer wall of the terminal body ensures a firm connection between the circuit board and the terminal, reducing the risk of loosening.

[0033] Compared to the transmission terminals, the above structure eliminates the original underboard positioning structure, thereby effectively reducing the overall height of the terminals under the circuit board after soldering. This is especially important for modern electronic devices where space is extremely precious, particularly in highly sensitive applications, where it can greatly optimize the internal space layout and improve space utilization.

[0034] Specifically, there are two support plates, which are respectively located on both sides of the terminal body. The diameter φ1 formed between the outermost point A of the support plate and the outer wall B of the terminal body is greater than the through hole diameter φ2 of the circuit board.

[0035] like Figure 5 and Figure 6 As shown, the design of the two support plates increases the contact area with the circuit board, thereby improving the clamping force. The design of φ1 being larger than φ2 ensures an interference fit between the support plate and the hole in the circuit board, enhancing the fixing effect.

[0036] Specifically, the side of the support plate is provided with paint holes 7.

[0037] The presence of coating holes reduces friction and insertion force during board insertion, while maintaining sufficient interference to ensure the connection stability of the circuit board.

[0038] Specifically, the positioning structure on the board consists of two pieces, which are formed by folding the terminal body to both sides.

[0039] The positioning structure on the two boards enhances the positioning stability of the terminals on the circuit board.

[0040] Specifically, the positioning structure on the plate folds outward at an angle of 40-70°.

[0041] A suitable folding angle (40-70°) ensures that the circuit board can be stably positioned on the positioning structure, while also facilitating installation.

[0042] Specifically, the connection between the positioning structure on the plate and the supporting plate is formed by tearing.

[0043] The tear-forming technology ensures that the support board still has sufficient length to fit the PCB while maintaining a low under-board size.

[0044] Specifically, the support plate has a guide slope 8 on the bottom side of the small pressure foot.

[0045] The guide ramp design makes it easier for the circuit board to slide into the correct mounting position, reducing installation difficulty.

[0046] Specifically, the guide slope and the vertical surface of the support plate are connected by a rounded corner.

[0047] Rounded corners reduce stress concentration at the edges of the circuit board, preventing damage to the circuit board during installation.

[0048] Specifically, the outer side of the guide slope is provided with a chamfer of 10.

[0049] The chamfered design further reduces friction when inserting the circuit board, making the installation process smoother.

[0050] Attention all technical personnel: Although this utility model has been described according to the specific embodiments above, the concept of this utility model is not limited to this utility model. Any modification that utilizes the concept of this utility model will be included within the scope of protection of this patent right.

Claims

1. A soldering terminal, comprising an integrally formed terminal body, wherein large pressure pins extend from both sides of one end of the terminal body, and small pressure pins extend from both sides of the other end, characterized in that: A plate positioning structure is provided on the terminal body below the large pressure pin. The plate positioning structure and the small pressure pin form an installation area for mounting the circuit board. A support plate is provided on the terminal body within the installation area. The installation area formed between the support plate and the outer wall of the terminal body is interference-fitted with the inner wall of the through hole of the circuit board.

2. The soldering plate terminal according to claim 1, characterized in that: There are two support plates, which are respectively located on both sides of the terminal body. The diameter φ1 formed between the outermost point A of the support plate and the outer wall B of the terminal body is greater than the diameter φ2 of the through hole of the circuit board.

3. The soldering plate terminal according to claim 1, characterized in that: The positioning structure on the board consists of two pieces, which are formed by folding the terminal body to both sides.

4. The solder plate terminal according to claim 1 or 3, characterized in that: The connection between the positioning structure on the plate and the supporting plate is formed by tearing.

5. The soldering plate terminal according to claim 4, characterized in that: The support plate has a guide slope on the bottom side of the small pressure foot.

6. The soldering plate terminal according to claim 5, characterized in that: The guide ramp and the vertical surface of the support plate are rounded.

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