Printed circuit board structure
The modular design using plug-in boards and threaded connections solves the problem of high maintenance costs caused by replacing the entire printed circuit board, enabling the circuit board to be disassembled and replaced, thus improving maintenance convenience and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-03-06
AI Technical Summary
The existing printed circuit boards have an integrated structure, which requires the entire board to be replaced during maintenance, increasing maintenance costs.
The design employs a plug-in board and plug slots, combined with threaded connections, to achieve modular installation and assembly, facilitating the assembly, maintenance, and replacement of circuit boards.
This enables a modular design for the circuit board, reducing maintenance costs and improving production efficiency and convenience.
Smart Images

Figure CN223978802U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit board structure technology, specifically a printed circuit board structure. Background Technology
[0002] PCB (Printed Circuit Board) is an important support structure for electronic components and parts, and also provides the wiring connections for these components. Printed circuit boards can be classified according to the number of layers, such as single-sided boards, double-sided boards, four-layer boards, six-layer boards, and other multi-layer boards. With the development of electronic manufacturing technology, more and more electronic products use SMT (Surface Mount Technology) to manufacture their PCB motherboards.
[0003] With the development of electronic products and the gradual improvement of people's living standards, printed circuit boards (PCBs), as important electronic components, the support for electronic parts, and the carrier for electrical connections of electronic parts, are facing increasingly higher demands. However, in related technologies, PCBs are all integrated structures, requiring complete replacement when the PCB is damaged, which increases subsequent maintenance costs. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a printed circuit board structure that solves the post-maintenance problems mentioned in the background section.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0008] A printed circuit board structure includes a first mounting plate, a second mounting plate, and a third mounting plate. A first connector plate is fixedly connected to one side of the second mounting plate, and a first connector groove is provided inside one side of the third mounting plate. The second mounting plate is inserted into the first connector groove on the third mounting plate through the first connector plate. A second connector plate is fixedly connected to one side of the third mounting plate, and a second connector groove is provided on one side of the first mounting plate. The third mounting plate is inserted into the second connector groove on the first mounting plate through the second connector plate. Mounting holes are also provided on the sides of the second and third mounting plates, and threaded blocks are threaded into the interior of the mounting holes.
[0009] Furthermore, the threaded block is divided into a threaded section and an installation section. The diameter of the installation section is larger than the diameter of the threaded end, and a cross-shaped cutter is provided on the installation end.
[0010] Furthermore, the threaded section of the threaded block passes through the second mounting plate and is threaded into the first mounting plate.
[0011] Furthermore, the threaded section of the threaded block passes through the third mounting plate and is threaded into the first mounting plate.
[0012] Furthermore, the mounting section of the threaded block has the same diameter as the mounting hole.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, the present invention provides a printed circuit board structure with the following advantages:
[0015] This invention, through the design of the plug-in board and plug-in slot, realizes modular installation and combination, which facilitates the assembly, maintenance and replacement of the circuit board; the printed circuit board structure is relatively simple, and the manufacturing and installation process may be relatively easy, which helps to reduce costs and improve production efficiency. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a side view of the structure of this utility model;
[0018] Figure 3 This is a rear structural cross-sectional view of the present invention.
[0019] In the diagram: 1. First mounting plate; 2. Second mounting plate; 3. Third mounting plate; 4. First connector plate; 5. First connector slot; 6. Second connector plate; 7. Second connector slot; 8. Mounting hole; 9. Threaded block. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Example
[0022] like Figure 1-3As shown in the figure, a printed circuit board structure according to one embodiment of the present invention includes a first mounting plate 1, a second mounting plate 2, and a third mounting plate 3. A first plug-in plate 4 is fixedly connected to one side of the second mounting plate 2, and a first plug-in groove 5 is provided inside one side of the third mounting plate 3. The second mounting plate 2 is plugged into the first plug-in groove 5 on the third mounting plate 3 through the first plug-in plate 4. A second plug-in plate 6 is fixedly connected to one side of the third mounting plate 3, and a second plug-in groove 7 is provided on one side of the first mounting plate 1. The second mounting plate 2 is plugged into the first plug-in groove 5 on the third mounting plate 3 through the first plug-in plate 4, and the third mounting plate 3 is plugged into the second plug-in groove 7 on the first mounting plate 1 through the second plug-in plate 6. This plug-in connection method enables physical connection and positioning between various mounting plates. The third mounting plate 3 is plugged into the second plug slot 7 on the first mounting plate 1 via the second plug-in plate 6. Mounting holes 8 are also provided on the sides of the second mounting plate 2 and the third mounting plate 3. The internal threads of the mounting holes 8 are connected to threaded blocks 9. The internal threads of the mounting holes 8 and the threaded blocks 9 are connected, and the threaded blocks 9 may be used to further fix and lock the position of the mounting plates, providing a more stable connection. Through this structure, electronic components on the circuit board can be interconnected to form a circuit and realize the function of electronic devices. Due to the use of plug-in and threaded connection methods, the printed circuit board structure may have the characteristics of being detachable and replaceable, which is convenient for maintenance and upgrading. If any of the mounting plates installed in the first mounting plate 1, the second mounting plate 2, and the third mounting plate 3 is damaged, maintenance and replacement can be performed.
[0023] like Figure 2 As shown, in some embodiments, the threaded block 9 is divided into a threaded section and an installation section. The diameter of the installation section is larger than the diameter of the threaded end, and a cross-head screwdriver is provided on the installation end. The threaded section is used for threaded connection with other components, while the diameter of the installation section is designed to provide better installation and operation space. The cross-head screwdriver is provided to facilitate the installation or removal of the threaded block 9, for example, by using a Phillips screwdriver or other tools to rotate the installation section.
[0024] like Figure 3 As shown, in some embodiments, the threaded section of the threaded block 9 passes through the second mounting plate 2 and is threadedly connected to the first mounting plate 1; this means that the threaded block 9 achieves connection with the first mounting plate 1 by engaging with the threads in the first mounting plate 1; this threaded connection method can provide reliable fixing and connection effects, enabling the threaded block 9 to be tightly connected with the first mounting plate 1.
[0025] like Figure 3As shown, in some embodiments, the threaded segment of the threaded block 9 passes through the third mounting plate 3 and is threaded into the first mounting plate 1; this means that the threaded block 9 achieves the connection between the threaded block 9 and the first mounting plate 1 by the mutual engagement of its threads with the threads in the first mounting plate 1; this threaded connection method is used to provide a detachable connection, so that the threaded block 9 can be fixed relative to the first mounting plate 1; in this structure, the third mounting plate 3 may serve to guide the threaded block 9, while the threaded segment of the threaded block 9 matches the threads in the first mounting plate 1 to achieve a stable connection.
[0026] like Figure 2 As shown, in some embodiments, the mounting section of the threaded block 9 has the same diameter as the mounting hole 8; this means that the threaded block 9 can be assembled through the mounting hole 8, and the two have matching dimensions to ensure that the threaded block 9 can be properly installed and connected to other components; this same diameter design is generally used to provide a stable and reliable connection, allowing the threaded block 9 to be fastened in the appropriate position.
[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. Printed circuit board structure comprising a first mounting plate (1), a second mounting plate (2) and a third mounting plate (3), characterized in that: One side of the second mounting plate (2) is fixedly connected with a first plug-in plate (4), a first plug-in slot (5) is arranged inside one side of the third mounting plate (3), the second mounting plate (2) is plugged into the first plug-in slot (5) on the third mounting plate (3) through the first plug-in plate (4), one side of the third mounting plate (3) is fixedly connected with a second plug-in plate (6), a second plug-in slot (7) is arranged on one side of the first mounting plate (1), the third mounting plate (3) is plugged into the second plug-in slot (7) on the first mounting plate (1) through the second plug-in plate (6), mounting holes (8) are further arranged on the side edges of the second mounting plate (2) and the third mounting plate (3), and the mounting holes (8) are internally threadedly connected with threaded blocks (9).
2. A printed circuit board structure according to claim 1, characterized in that: The threaded block (9) is divided into a threaded segment and a mounting segment, the diameter of the mounting segment is greater than that of the threaded segment, and a cross-shaped cutting is arranged on the mounting segment.
3. A printed circuit board structure according to claim 2, characterized in that: The threaded segment of the threaded block (9) is threadedly connected into the first mounting plate (1) through the second mounting plate (2).
4. A printed circuit board structure according to claim 2, characterized in that: The threaded segment of the threaded block (9) is threadedly connected into the first mounting plate (1) through the third mounting plate (3).
5. The printed circuit board structure of claim 2, wherein: The diameter of the mounting segment of the threaded block (9) is the same as that of the mounting hole (8).