Circuit board structure

By designing a circuit board structure that adopts installation base plate, positioning support plate, plug-in column and inverted components, the installation difficulties and positioning problems of traditional circuit board fixing methods in high-density integrated and multi-layer stacking scenarios are solved, and a fast, stable and efficient installation and heat dissipation effect is achieved.

CN222981724UActive Publication Date: 2025-06-13DONGGUAN DONGHUA XINDA PRECISION CIRCUIT CO LTD
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Patent Information

Application Number
CN202421365448.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-06-13
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

Traditional circuit board fixing methods have problems such as installation difficulties, inefficiency and inaccurate positioning in high-density integration, multi-layer stacking or frequent maintenance scenarios, which affect circuit performance and equipment stability.

Method used

A circuit board structure is designed, using a mounting base plate and a positioning support plate, which is fixed by plugging columns and inverted parts. Support feet and insulating pads are provided at the bottom of each circuit board body to form a gap to improve heat dissipation capacity, and positioning and installation is performed through positioning columns and perforations.

Benefits of technology

It realizes rapid installation without screws, simplifies the installation process, improves the speed and stability of installation, and at the same time, the heat dissipation capacity is improved through gap heat dissipation, ensuring the insulation effect between circuit boards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit boards, in particular to a circuit board structure, which comprises a mounting bottom plate and a plurality of circuit board bodies, and the plurality of circuit board bodies are arranged on the mounting bottom plate in a row at equal intervals. Positioning supporting plates are arranged on the two sides of the bottom of the mounting bottom plate respectively, a positioning groove is formed between the two positioning supporting plates, a plurality of inserting columns are arranged at the lower ends of the positioning supporting plates in a row at equal intervals, and reverse buckling parts are arranged on the peripheries of the inserting columns; two sides of the circuit board body are respectively provided with through holes in a penetrating manner, two sides of the upper end face of the mounting bottom plate are respectively provided with positioning columns, the lower end face of the circuit board body is provided with supporting legs, and the supporting legs are provided with insulating pads. According to the utility model, the mounting bottom plate is not easy to loosen and quick to mount; a gap is formed between every two adjacent stacked circuit board bodies, so that a heat dissipation space is provided, air flow is facilitated, and the heat dissipation capability is improved; furthermore, the plurality of circuit board bodies are positioned and installed through the positioning columns, and the structure is reliable.
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Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board structure. Background Art

[0002] In the design and manufacturing process of modern electronic devices, the circuit board (PCB, Printed Circuit Board), as the core component for carrying electronic components and realizing circuit functions, its installation and fixation method directly affects the reliability and assembly efficiency of the device. Traditionally, circuit boards are mostly fixed to the device's housing or bracket by screws. Although this method can ensure a firm connection, in the face of scenarios such as high-density integration, multi-layer stacking, or frequent maintenance, the existing problems are becoming increasingly prominent. When multiple circuit boards need to be installed inside the device, each circuit board usually requires independent screws for fixation, which not only increases the labor intensity during the assembly process but also prolongs the assembly time. Especially when operating in a narrow space, manually tightening the screws becomes particularly difficult and inefficient. In addition, for circuit boards fixed by screws, there are high requirements for positioning accuracy during installation, and manual operation is difficult to ensure the consistency and accuracy of each installation, which may lead to problems such as poor contact and mechanical stress concentration, affecting the circuit performance and long-term stability of the device. Summary of the Invention

[0003] The utility model aims at the problems of the prior art and provides a circuit board structure, which ensures that the installation base plate is not easily loosened, does not require locking components such as screws, simplifies the installation difficulty, and enables quick installation; a gap is formed between two adjacent circuit board bodies stacked together, providing a heat dissipation space, facilitating air flow, and improving the heat dissipation capacity. The insulating pad can play an insulating role; further, the positioning columns pass through the through holes to position and install multiple circuit board bodies, and the structure is reliable and stable.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model provides a circuit board structure, which includes an installation base plate and multiple circuit board bodies. The multiple circuit board bodies are arranged at equal intervals in a row on the installation base plate; positioning support plates are respectively arranged on both sides of the bottom of the installation base plate, a positioning groove is formed between the two positioning support plates, a plurality of insertion columns are arranged at equal intervals in a row at the lower end of the positioning support plates, and an anti-dumping component is arranged on the outer periphery of the insertion columns; through holes are respectively arranged through both sides of the circuit board body, positioning columns are respectively arranged on both sides of the upper end surface of the installation base plate, the positioning columns are arranged corresponding to the through holes, the positioning columns are inserted into the through holes, support feet are respectively arranged at the corners of the lower end surface of the circuit board body, and insulating pads are arranged on the lower end surfaces of the support feet.

[0006] Wherein, an elastic fastening rubber sleeve is provided on the outer periphery of the positioning column, and the elastic fastening rubber sleeve is used to abut against the upper end surface of the circuit board body located at the top.

[0007] Among them, the outer periphery of the positioning column is provided with a plurality of elastic fastening rubber sleeves, the elastic fastening rubber sleeve on each positioning column is arranged corresponding to the circuit board body, and the elastic fastening rubber sleeve is used to abut against the upper end surface of the corresponding circuit board body.

[0008] Wherein, a plurality of elastic protrusions are arranged in a row on the inner walls of the two positioning support plates facing each other.

[0009] Preferably, the mounting base plate is provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are distributed in an array.

[0010] Wherein, the undercut component comprises a plurality of undercut bodies respectively arranged on both sides of the plug-in column, and the plurality of undercut bodies are arranged obliquely.

[0011] Among them, the multiple inverted bodies on both sides of the plug-in column are arranged at equal intervals from top to bottom along the length direction of the plug-in column, and the lengths of the multiple inverted bodies located on the same side of the plug-in column decrease from top to bottom along the length direction of the plug-in column.

[0012] Beneficial effects of the utility model:

[0013] The utility model has a novel structure. When in use, the installation base plate is installed on the corresponding installation part of the external device, and is engaged with the corresponding installation part of the external device through the positioning groove. The positioning support plates on both sides of the installation base plate clamp the side walls of the corresponding installation part of the external device. When installing, the plug-in column is inserted into the corresponding socket of the external device, and the plug-in column is firmly fixed in the corresponding socket of the external device through the buckled component, so as to ensure that the installation base plate is not easy to loosen, and no locking components such as screws are required, which simplifies the installation difficulty and is quick to install. Among them, multiple circuit board bodies are arranged on the installation base plate in a row from top to bottom at equal intervals. Since supporting feet are respectively provided at the bottom corners of each circuit board body, and insulating pads are provided on the lower end faces of the supporting feet, the provision of the supporting feet can form a gap between two adjacent stacked circuit board bodies, provide heat dissipation space, facilitate air flow, and improve heat dissipation capacity. The insulating pads can play an insulating effect to ensure that there is no short circuit between the circuit board bodies. Furthermore, the multiple circuit board bodies are positioned and installed by passing the positioning columns through the through holes, and the structure is reliable and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a circuit board structure of Example 1 of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the installation base plate of the utility model.

[0016] Figure 3 This is a structural schematic diagram of the installation base plate of the utility model from another perspective.

[0017] Figure 4 This is a schematic structural diagram of a circuit board structure of Example 2 of the utility model.

[0018] exist Figures 1 to 4 Reference numerals in the drawings include:

[0019] 1. Install the base plate; 2. Circuit board body; 3. Position support plate; 4. Form positioning groove; 5. Plug-in column; 6. Undercut component; 7. Perforation; 8. Positioning column; 9. Support foot; 10. Insulation pad; 11. Elastic fastening rubber sleeve; 12. Elastic protrusion; 13. Heat dissipation hole; 14. Undercut body. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0021] Example 1

[0022] A circuit board structure, which includes a mounting base plate 1 and a plurality of circuit board bodies 2, wherein the plurality of circuit board bodies 2 are arranged in a row at equal intervals on the mounting base plate 1; positioning support plates 3 are respectively provided on both sides of the bottom of the mounting base plate 1, a positioning groove 4 is formed between the two positioning support plates 3, a plurality of plug-in columns 5 are arranged in a row at equal intervals at the lower end of the positioning support plate 3, and an undercut component 6 is provided on the outer periphery of the plug-in columns 5; through holes 7 are respectively provided on both sides of the circuit board body 2, positioning columns 8 are respectively provided on both sides of the upper end surface of the mounting base plate 1, the positioning columns 8 are arranged corresponding to the through holes 7, and the positioning columns 8 are plugged into the through holes 7, and supporting feet 9 are respectively provided at the corners of the lower end surface of the circuit board body 2, and insulating pads 10 are provided on the lower end surfaces of the supporting feet 9. Specifically, the utility model has a novel structure. When in use, the mounting base plate 1 is mounted on the corresponding mounting part of the external device, and the positioning groove is used to engage with the corresponding mounting part of the external device. The positioning support plates 3 on both sides of the mounting base plate 1 clamp the side walls of the corresponding mounting part of the external device. When installing, the plug-in column 5 is inserted into the corresponding socket of the external device, and the plug-in column 5 is firmly fixed in the corresponding socket of the external device through the undercut component 6, ensuring that the mounting base plate 1 is not easy to loosen, and no locking components such as screws are required, which simplifies the installation difficulty and is quick to install. Among them, multiple circuit board bodies 2 are from They are arranged in a row from top to bottom at equal intervals on the installation base plate 1. Since each circuit board body 2 is provided with a supporting foot 9 at the bottom corner, and an insulating pad 10 is provided on the lower end surface of the supporting foot 9, the setting of the supporting foot 9 can form a gap between two adjacent stacked circuit board bodies 2, provide heat dissipation space, facilitate air flow, and improve heat dissipation capacity. The insulating pad 10 can have an insulating effect to ensure that there is no short circuit between the circuit board bodies 2; further, multiple circuit board bodies 2 are positioned and installed by passing the positioning column 8 through the through hole 7, and the structure is reliable and stable.

[0023] In the embodiment of the present application, an elastic fastening rubber sleeve 11 is sleeved on the outer periphery of the positioning column 8, and the elastic fastening rubber sleeve 11 is used to abut against the upper end surface of the uppermost circuit board body 2. Specifically, under the above configuration, after multiple circuit board bodies 2 are stacked on the mounting base plate 1, the elastic fastening rubber sleeve 11 is sleeved on the outer periphery of the positioning column 8 to abut against the upper end surface of the uppermost circuit board body 2, thereby positioning the multiple circuit board bodies 2 to prevent them from loosening.

[0024] In the embodiment of the present application, the inner walls of the two positioning support plates 3 facing each other are arranged in a row with a plurality of elastic protrusions 12. Specifically, under the above arrangement, when the mounting base plate 1 is mounted on the external device, it is clamped on the mounting portion corresponding to the external device by means of the positioning groove, and the elastic protrusions 12 can be arranged to abut against the side wall of the mounting portion corresponding to the external device, thereby improving the clamping stability and reliability between the mounting base plate 1 and the mounting portion corresponding to the external device.

[0025] In the embodiment of the present application, the mounting base plate 1 is provided with a plurality of heat dissipation holes 13, and the plurality of heat dissipation holes 13 are distributed in an array. Specifically, under the above arrangement, the heat dissipation holes 13 facilitate gas circulation and improve the heat dissipation effect. Furthermore, a plurality of circuit board bodies 2 are spaced apart from each other under the action of the supporting feet 9, and at the same time facilitate gas circulation for heat dissipation.

[0026] In the embodiment of the present application, the inverted buckle component 6 includes a plurality of inverted buckle bodies 14 respectively disposed on both sides of the plug-in column 5, and the plurality of inverted buckle bodies 14 are disposed obliquely; further, the plurality of inverted buckle bodies 14 on both sides of the plug-in column 5 are arranged at equal intervals from top to bottom along the length direction of the plug-in column 5, and the lengths of the plurality of inverted buckle bodies 14 on the same side of the plug-in column 5 decrease from top to bottom along the length direction of the plug-in column 5. Specifically, with the above arrangement, the plug-in column 5 is inserted into the corresponding socket of the external device, and the structure of the inverted buckle body 14 is buckled on the inner wall of the corresponding socket of the external device to avoid looseness, and the structure is reliable.

[0027] Example 2

[0028] In the second embodiment of the present application, the outer periphery of the positioning column 8 is provided with a plurality of elastic fastening rubber sleeves 11, and the elastic fastening rubber sleeves 11 on each positioning column 8 are arranged corresponding to the circuit board body 2, and the elastic fastening rubber sleeves 11 are used to abut against the upper end surface of the corresponding circuit board body 2. Specifically, under the above arrangement, the elastic fastening rubber sleeves 11 abut against the upper end surface of the circuit board body 2 of each layer on both sides of the circuit board body 2 of each layer, and under the action of the elastic fastening rubber sleeves 11, the elastic fastening rubber sleeves 11 make the circuit board body 2 not easy to loosen, and the structural stability is strong; in addition, when the circuit board body 2 needs to be disassembled, replaced or repaired, it is only necessary to forcefully pull out the elastic fastening rubber sleeves 11 from the positioning column 8, which is convenient to use and simple to operate, and the multi-layer arrangement of the circuit board body 2, under the cooperation of the supporting feet 9, the insulating pads 10 and the elastic fastening rubber sleeves 11, will not affect each other, and the elastic fastening rubber sleeves 11 are used to improve the stability and rationality of the overall structure of the present application.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A circuit board structure, characterized in that: It includes a mounting base plate and a plurality of circuit board bodies, wherein the plurality of circuit board bodies are arranged in a row at equal intervals on the mounting base plate; positioning support plates are respectively arranged on both sides of the bottom of the mounting base plate, a positioning groove is formed between the two positioning support plates, a plurality of plug-in columns are arranged in a row at equal intervals at the lower end of the positioning support plate, and buckle components are arranged on the outer periphery of the plug-in columns; through holes are respectively arranged on both sides of the circuit board body, positioning columns are respectively arranged on both sides of the upper end surface of the mounting base plate, the positioning columns are arranged corresponding to the through holes, the positioning columns are plugged into the through holes, supporting feet are respectively arranged at the corners of the lower end surface of the circuit board body, and insulating pads are arranged on the lower end surfaces of the supporting feet.

2. A circuit board structure according to claim 1, characterized in that: An elastic fastening rubber sleeve is provided on the outer periphery of the positioning column, and the elastic fastening rubber sleeve is used to abut against the upper end surface of the circuit board body located at the top.

3. A circuit board structure according to claim 1, characterized in that: The outer periphery of the positioning column is provided with a plurality of elastic fastening rubber sleeves, the elastic fastening rubber sleeve on each positioning column is arranged corresponding to the circuit board body, and the elastic fastening rubber sleeve is used to abut against the upper end surface of the corresponding circuit board body.

4. A circuit board structure according to claim 1, characterized in that: A plurality of elastic protrusions are arranged in a row on the inner walls of the two positioning support plates facing each other.

5. A circuit board structure according to claim 1, characterized in that: The installation base plate is provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are distributed in an array.

6. A circuit board structure according to claim 1, characterized in that: The undercut component comprises a plurality of undercut bodies respectively arranged on both sides of the plug-in column, and the plurality of undercut bodies are arranged in an inclined manner.

7. A circuit board structure according to claim 6, characterized in that: The multiple inverted bodies on both sides of the plug-in column are arranged at equal intervals from top to bottom along the length direction of the plug-in column, and the lengths of the multiple inverted bodies on the same side of the plug-in column decrease from top to bottom along the length direction of the plug-in column.