A waterproof circuit board assembly

By applying waterproof glue between the mounting block of the circuit board assembly and the external plug, and combining the sealing ring and screws to fix the connection, the problem of low waterproofing level at the circuit board connection is solved, achieving higher waterproofing effect and convenient maintenance.

CN222720743UActive Publication Date: 2025-04-04HUIZHOU YUZE TECH CO LTD
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Patent Information

Application Number
CN202420828819.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-04-04
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The connection between existing circuit boards and other electrical equipment has low waterproofing levels, which can easily lead to short circuit damage in humid environments.

Method used

A waterproof circuit board assembly is designed to improve the sealing and firmness between the mounting block and the external plug by setting pins inside the mounting block and applying waterproof glue when connected to the external plug. At the same time, the sealing ring and screws are used to fix the connection, further improving the sealing between the base and the mounting block.

Benefits of technology

It significantly improves the waterproof effect at the connection between the circuit board and the external circuit equipment, reduces the risk of short circuit damage in humid environments, and facilitates disassembly and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof circuit board assembly, which relates to the field of circuit board waterproofing, including a circuit board, a base is provided on the top of the circuit board, a connection groove is provided on the top of the base, a sealing ring is installed inside the connection groove, a connection plate is movably installed inside the connection groove, a mounting block is provided on the top of the connection plate, a plurality of through grooves are provided inside the mounting block, pins are installed inside the through grooves, and an external plug is movably installed inside the mounting block. The utility model provides a mounting block, pins are provided inside the mounting block, and when the mounting block is connected to the external plug, waterproof glue can be applied inside the mounting block, the waterproof glue can not only improve the firmness between the mounting block and the external plug, but also improve the sealing between the mounting block and the external plug, thereby improving the waterproof effect between the mounting block and the external plug.
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Description

Technical Field

[0001] The utility model relates to the field of circuit board waterproofing, in particular to a waterproof circuit board component. Background Art

[0002] A circuit board, also known as a printed circuit board, is mainly composed of a collection of circuits. It can realize electrical connections between components, provide appropriate mechanical support and fixation for various components, ensure that the components are firmly in place to avoid mechanical damage or short circuits, and reduce the space occupied by wires.

[0003] Circuit boards are usually equipped with external sockets for connecting other circuit components. For example, a computer motherboard is connected to a power source through wires, usually by plugging in. Circuit boards are also manufactured with waterproofing techniques, such as spraying conformal coatings on the surface of the circuit boards to improve their waterproof rating and reduce the risk of short circuit damage caused by contact with water or humid air.

[0004] Most circuit boards are waterproofed during manufacturing, which makes them waterproof and moisture-proof to a certain extent. Circuit boards are usually connected to other electrical equipment through wires, but the connection between circuit boards and other electrical equipment is generally plug-in. The plug-in circuit connection method generally has a low waterproof grade. When encountering humid air or water, it will cause the circuit to short-circuit, thereby causing damage to the circuit board and external circuit equipment. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a waterproof circuit board assembly to solve the technical problems mentioned in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof circuit board assembly, comprising a circuit board, a base is arranged on the top of the circuit board, a connecting groove is provided on the top of the base, a sealing ring is installed inside the connecting groove, a connecting plate is movably installed inside the connecting groove, and a mounting block is arranged on the top of the connecting plate, a plurality of through grooves are provided inside the mounting block, pins are installed inside the through grooves, and an external plug is movably installed inside the mounting block.

[0007] By adopting the above technical solution, a mounting block is provided, and pins are provided inside the mounting block. When the mounting block is connected to the external plug, waterproof glue can be applied inside the mounting block. The waterproof glue can not only improve the firmness between the mounting block and the external plug, but also improve the sealing between the mounting block and the external plug, thereby improving the waterproof effect between the mounting block and the external plug.

[0008] The utility model is further configured such that the connection groove matches the connection plate, and the sealing ring can improve the sealing performance between the connection groove and the connection plate.

[0009] By adopting the above technical solution, by providing a connecting groove and a connecting plate, the mounting block can be snapped into the base, and a sealing ring is provided between the connecting groove and the connecting plate, which can effectively improve the sealing between the base and the mounting block.

[0010] The utility model is further configured that a plurality of electrical interfaces are arranged inside the connection slot, and the electrical interfaces are electrically connected to the pins.

[0011] By adopting the above technical solution and arranging a plurality of electrical interfaces in the connection slot, the circuit board can be electrically connected to the pins of the mounting block.

[0012] The utility model is further configured that two groups of first threaded holes are arranged on the top of the base, and second threaded holes are arranged on both sides of the mounting block, and the second threaded holes match the first threaded holes.

[0013] By adopting the above technical solution and providing the first threaded hole and the second threaded hole, the mounting block and the base can be connected together.

[0014] The utility model is further configured such that the second threaded hole and the first threaded hole are connected by arranging screws.

[0015] By adopting the above technical solution, the first threaded hole and the second threaded hole are connected by arranging screws, so that the mounting block and the base can be pressed tightly, thereby improving the sealing performance.

[0016] The utility model is further configured that a mounting groove is provided on the top of the mounting block, and the mounting groove matches the external plug, and the external plug is electrically connected to the pin.

[0017] By adopting the above technical solution, a mounting groove is provided on the top of the mounting block, so that the external plug can be snapped into the mounting block, thereby improving the sealing when applying waterproof glue.

[0018] The utility model is further configured that a plurality of connection holes are provided at the bottom of the connection plate, and the plurality of connection plates are connected with the plurality of through grooves.

[0019] By adopting the above technical solution, the sealing gasket can be installed by providing multiple groups of connection holes.

[0020] The utility model is further configured that sealing pads are installed in the plurality of groups of connection holes, and the sealing pads are made of silicone material.

[0021] By adopting the above technical solution, a sealing gasket is set, the sealing gasket is made of silicone material, and some lubricating oil is applied on the surface. The sealing gasket can prevent the applied waterproof glue from leaking, and when the mounting block and the external plug need to be separated later, the sealing gasket can be removed and the glue remover can be injected through the connecting hole.

[0022] The utility model is further configured that an external plug is movably installed inside the installation block, and waterproof glue is poured between the installation block and the external plug.

[0023] By adopting the above technical solution and injecting waterproof glue into the installation block, the sealing performance of the installation block and the external plug can be improved.

[0024] The utility model is further configured that the surface of the circuit board is sprayed with three-proof paint, which has the effect of waterproofing and moisture-proofing.

[0025] By adopting the above technical solution, the waterproofness of the circuit board can be improved by spraying the three-proof paint on the surface of the circuit board.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1. The utility model provides a mounting block with pins inside. When the mounting block is connected to the external plug, waterproof glue can be applied inside the mounting block. The waterproof glue can not only improve the firmness between the mounting block and the external plug, but also improve the sealing between the mounting block and the external plug, thereby improving the waterproof effect between the mounting block and the external plug.

[0028] 2. The utility model provides a mounting block, which is fixedly connected to the base by screws, and a sealing ring is installed between the mounting block and the base. The sealing ring and the screw fixing connection method can improve the waterproof level between the base and the mounting block, and the screw fixing method is easy to disassemble, so that the external plug and the mounting block can be removed together, thereby ensuring that the external plug can be removed from the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 This is a schematic diagram of the connection between the circuit board and the base of the utility model;

[0031] Figure 3 For the utility model Figure 2 A magnified image;

[0032] Figure 4 This is a schematic diagram of the installation block structure of the utility model;

[0033] Figure 5 This is a schematic diagram of the connection between the connecting plate and the sealing gasket of the utility model;

[0034] Figure 6 This is a schematic diagram of the connecting plate structure of the utility model;

[0035] Figure 7 This is a schematic diagram of the sealing gasket structure of the utility model;

[0036] Figure 8 This is a schematic diagram of the structure of an external plug of the utility model.

[0037] In the figure: 1. Circuit board; 2. Base; 3. Connection groove; 4. Sealing ring; 5. Electrical interface; 6. First threaded hole; 7. Mounting block; 8. Through groove; 9. Pin; 10. Connection plate; 11. Connection hole; 12. Sealing gasket; 13. Second threaded hole; 14. Screw; 15. Mounting groove; 16. External plug. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0039] The following describes an embodiment of the utility model based on its overall structure. Embodiment 1

[0040] A waterproof circuit board assembly, such as Figure 1-8 As shown, it includes a circuit board 1, a base 2 is provided on the top of the circuit board 1, and a connecting groove 3 is opened on the top of the base 2, and a sealing ring 4 is installed inside the connecting groove 3. By setting the connecting groove 3, a connecting plate 10 can be installed, and the sealing ring 4 can improve the sealing between the base 2 and the connecting plate 10, the connecting plate 10 is movably installed inside the connecting groove 3, and a mounting block 7 is provided on the top of the connecting plate 10, a plurality of groups of through grooves 8 are opened inside the mounting block 7, and pins 9 are installed inside the through grooves 8, and an external plug 16 is movably installed inside the mounting block 7, by setting the mounting block 7, the pins 9 are arranged inside the mounting block 7, when the mounting block 7 is connected to the external plug 16, waterproof glue can be applied inside the mounting block 7, the waterproof glue can not only improve the firmness between the mounting block 7 and the external plug 16, but also improve the sealing between the mounting block 7 and the external plug 16, thereby improving the waterproof effect between the mounting block 7 and the external plug 16.

[0041] See also Figure 3 and Figure 4 The connecting groove 3 and the connecting plate 10 match each other, and the sealing ring 4 can improve the sealing between the connecting groove 3 and the connecting plate 10. By setting the connecting groove 3 and the connecting plate 10, the mounting block 7 can be snapped into the base 2, and a sealing ring 4 is provided between the connecting groove 3 and the connecting plate 10, which can effectively improve the sealing between the base 2 and the mounting block 7.

[0042] See also Figure 3A plurality of electrical interfaces 5 are arranged inside the connection slot 3, and the electrical interfaces 5 are electrically connected to the pins 9. By arranging a plurality of electrical interfaces 5 in the connection slot 3, the circuit board 1 can be electrically connected to the pins 9 of the mounting block 7.

[0043] See also Figure 4 A mounting groove 15 is provided on the top of the mounting block 7, and the mounting groove 15 matches the external plug 16, and the external plug 16 is electrically connected to the pin 9. By providing the mounting groove 15 on the top of the mounting block 7, the external plug 16 can be snapped into the mounting block 7, thereby improving the sealing when applying the waterproof glue.

[0044] See also Figure 6 A plurality of connection holes 11 are provided at the bottom of the connection plate 10 , and the plurality of connection plates 10 are connected to the plurality of through grooves 8 . The sealing gasket 12 can be installed by providing the plurality of connection holes 11 .

[0045] See also Figure 5 and Figure 7 A sealing gasket 12 is installed in the multiple groups of connection holes 11. The sealing gasket 12 is made of silicone. By setting the sealing gasket 12, the sealing gasket 12 is made of silicone and some lubricating oil is applied on the surface. The sealing gasket 12 can prevent the waterproof glue from leaking. When the mounting block 7 and the external plug 16 need to be separated later, the sealing gasket 12 can be removed and the glue remover can be injected through the connection hole 11.

[0046] See also Figure 1 An external plug 16 is movably installed inside the mounting block 7, and waterproof glue is poured between the mounting block 7 and the external plug 16. By injecting waterproof glue into the mounting block 7, the sealing performance of the mounting block 7 and the external plug 16 can be improved.

[0047] See also Figure 1 The surface of the circuit board 1 is sprayed with three-proof paint, which has the effect of waterproofing and moisture-proofing. By spraying the three-proof paint on the surface of the circuit board 1, the waterproofness of the circuit board 1 can be improved. Embodiment 2

[0048] A waterproof circuit board assembly, such as Figure 3 and Figure 5 As shown, two groups of first threaded holes 6 are provided on the top of the base 2, and second threaded holes 13 are provided on both sides of the mounting block 7, and the second threaded holes 13 match the first threaded holes 6. By providing the first threaded holes 6 and the second threaded holes 13, the mounting block 7 and the base 2 can be connected together.

[0049] See also Figure 1The second threaded hole 13 and the first threaded hole 6 are connected by setting a screw 14. By setting the screw 14 to connect the first threaded hole 6 and the second threaded hole 13, the mounting block 7 and the base 2 can be pressed tightly, thereby improving the sealing performance.

[0050] The working principle of the utility model is as follows: first, the mounting block 7 is removed from the circuit board 1, and then some waterproof glue is poured into the interior of the mounting block 7, and then the external plug 16 is installed in the mounting groove 15, so that the interface in the external plug 16 is connected to the pin 9, and after the waterproof glue solidifies, the mounting block 7 connected with the external plug 16 is aligned with the connecting groove 3, and the connecting plate 10 is snapped into the interior of the connecting groove 3, the second threaded hole 13 corresponds to the first threaded hole 6, and then the second threaded hole 13 and the first threaded hole 6 are connected by a screw 14, so that the mounting block 7 and the base 2 are connected together, and then the pin 9 is connected to the electrical interface 5, and the sealing ring 4 can improve the sealing between the base 2 and the connecting plate 10.

[0051] When the external plug 16 needs to be removed from the circuit board 1, it can be achieved by removing the screws 14. This is suitable for routine inspection and maintenance. When the mounting block 7 needs to be removed from the external plug 16, the sealing gasket 12 at the bottom of the connecting plate 10 can be removed, and then a degumming agent can be dripped into the through groove 8. After the action of the degumming agent, the mounting block 7 and the external plug 16 will be loosened, and then they can be manually removed and the residual waterproof glue can be cleaned up using tweezers.

[0052] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A waterproof circuit board assembly, comprising a circuit board (1), characterized in that: A base (2) is arranged on the top of the circuit board (1), and a connection groove (3) is provided on the top of the base (2), and a sealing ring (4) is installed inside the connection groove (3), a connection plate (10) is movably installed inside the connection groove (3), and a mounting block (7) is arranged on the top of the connection plate (10), a plurality of through grooves (8) are provided inside the mounting block (7), and pins (9) are installed inside the through grooves (8), and an external plug (16) is movably installed inside the mounting block (7).

2. A waterproof circuit board assembly according to claim 1, characterized in that: The connecting groove (3) and the connecting plate (10) match each other, and the sealing ring (4) can improve the sealing performance between the connecting groove (3) and the connecting plate (10).

3. A waterproof circuit board assembly according to claim 2, characterized in that: A plurality of groups of electrical interfaces (5) are arranged inside the connection slot (3), and the electrical interfaces (5) are electrically connected to the pins (9).

4. A waterproof circuit board assembly according to claim 1, characterized in that: Two groups of first threaded holes (6) are arranged on the top of the base (2), and second threaded holes (13) are arranged on both sides of the mounting block (7), and the second threaded holes (13) match the first threaded holes (6).

5. A waterproof circuit board assembly according to claim 4, characterized in that: The second threaded hole (13) and the first threaded hole (6) are connected by means of a screw (14).

6. A waterproof circuit board assembly according to claim 1, characterized in that: A mounting groove (15) is provided on the top of the mounting block (7), and the mounting groove (15) matches an external plug (16), and the external plug (16) is electrically connected to the pin (9).

7. A waterproof circuit board assembly according to claim 1, characterized in that: The bottom of the connecting plate (10) is provided with a plurality of connecting holes (11), and the plurality of connecting plates (10) are connected to the plurality of through grooves (8).

8. A waterproof circuit board assembly according to claim 7, characterized in that: Sealing pads (12) are installed in the plurality of groups of connection holes (11), and the sealing pads (12) are made of silicone material.

9. The waterproof circuit board assembly according to claim 1, characterized in that: An external plug (16) is movably mounted inside the mounting block (7), and waterproof glue is injected between the mounting block (7) and the external plug (16).

10. The waterproof circuit board assembly according to claim 1, characterized in that: The surface of the circuit board (1) is sprayed with a three-proof paint, which has the function of being waterproof and moisture-proof.

Citation Information

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