A leakage-proof PCB circuit board structure

Abstract

This utility model discloses a PCB circuit board structure for preventing leakage current, aiming to provide a PCB circuit board structure that can achieve prevention of leakage current and electric shock. It includes: a main board, the upper surface of which is connected to several components; a connector, disposed on one side of the main board, the connector having several insertion interfaces; and a locking assembly, the locking assembly having a locking frame installed on the outside of the insertion interfaces, the locking frame having locking blocks for easy insertion and removal of connectors. The beneficial effects of this utility model are: the outer wall of the main board of the circuit board is covered with an insulating layer, which can prevent leakage current; the locking blocks are made of insulating material, and by pressing down on the locking blocks, the connectors connected to the connector can be removed without direct contact with the connectors, avoiding electric shock due to leakage current and ensuring operational safety.

Description

Technical Field

[0001] This utility model relates to the field of circuit board technology, and in particular to a PCB circuit board structure that prevents leakage current. Background Technology

[0002] Printed PCBs are electrical connectors for electronic components and are crucial core components for the stable operation of electronic components. The printing process effectively reduces the difficulty of circuit wiring, connection, and assembly. However, there are still some defects in the use of current printed PCBs.

[0003] The circuit board has connectors for connecting cables, and the cable connectors are inserted into these connectors. When repairing existing circuit boards, the connectors must be unplugged, which can easily cause leakage and electric shock.

[0004] To ensure safe use, the structure of the circuit board needs to be improved to avoid electric shock accidents. Utility Model Content

[0005] The present invention aims to overcome the shortcomings of the existing technology in terms of poor leakage protection effect, and provides a PCB circuit board structure that can achieve leakage protection and electric shock protection.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a PCB circuit board structure for preventing current leakage, comprising:

[0007] A main body plate, the upper surface of which is connected to several components;

[0008] A connector is provided on one side of the main body plate and has several insertion interfaces.

[0009] A locking assembly, wherein the locking assembly is provided with a locking frame, the locking frame is installed on the outside of the plug interface, and the locking frame is equipped with a locking block for easy plugging and unplugging of the connector.

[0010] This circuit board structure includes a main board, on the upper surface of which several components are soldered. A connector is located on one side of the main board, and this connector has several insertion interfaces for connecting cable connectors. A locking assembly is provided on the connector, containing a locking frame located outside the insertion interface. A locking block is mounted on the locking frame; pressing the locking block allows the connector to be easily pulled out of the insertion interface. The locking block is made of insulating material, preventing leakage at the connector and thus eliminating the risk of electric shock by eliminating the need for hand contact when removing the connector.

[0011] Preferably, the outer wall of the main body plate is covered with an insulating layer. This insulating layer prevents leakage at the edges of the main body plate, thus avoiding the risk of electric shock.

[0012] Preferably, the inner wall of the locking frame is provided with a side groove, and an insulating pad is installed in the side groove. The insulating pad has a cavity inside. Specifically, the side groove on the inner wall of the locking frame, filled with an insulating pad, provides elasticity. When the connector is inserted into the locking frame, the insulating pad is compressed, ensuring sealing and insulation, thereby achieving the function of preventing leakage current.

[0013] Preferably, the locking frame has mounting grooves at both the top and bottom. The locking block is a T-shaped block, installed within the mounting grooves. A retaining strip is provided at the lower end of the locking block, engaging with the connector. Specifically, the mounting grooves at the top and bottom of the locking frame have a T-shaped cross-section. The locking block is also T-shaped and installed within the mounting grooves. A retaining strip is provided at the lower end of the locking block, engaging with the connector. The lower end of the retaining strip is made of hard rubber to ensure stable connection after connector installation and to maintain insulation between the locking block and the connector, thus preventing leakage current.

[0014] Preferably, a guide rod is connected to the end face of the connector, and a guide groove is provided on the inner side wall of the upper end of the locking block. The inner wall of the guide groove is inclined, and the guide rod contacts the guide groove. Specifically, a guide rod is fixedly installed on the end face of the connector, and a guide groove is provided on the upper end of the locking block. This guide groove is located on the inner side wall of the locking block near the connector, and its inner wall is inclined. When the locking block is pressed down, the inner bottom surface of the guide groove slides relative to the guide rod, allowing the locking block to slide along the inclined surface of the guide groove. This structure can cause the lower end locking strip of the locking block to slide, pulling the connector outward for easy disassembly. This structure allows the connector to be pulled out without direct contact; simply pressing the locking block completes the removal of the connector. The operation is simple and convenient, and it also provides protection against leakage and electric shock.

[0015] Preferably, the inner wall of the mounting groove is provided with a connecting groove, and a push block is installed in the connecting groove. The push block has an L-shaped cross-section. The inner side wall of the upright end of the push block contacts the locking block. A stabilizing rod is connected to the outer side wall of the upright end of the push block. The stabilizing rod is inserted into the connecting groove. A spring is connected to the end of the stabilizing rod. The spring contacts the bottom surface of the connecting groove. The design incorporates a connecting groove on the inner wall of the mounting slot, within which a push block is installed. The inner side wall of the push block's upright end contacts a locking block, while a stabilizing rod is installed on the outer side wall of the push block's upright end. This stabilizing rod is inserted into the connecting groove. Simultaneously, a spring is installed within the connecting groove, with one end contacting the bottom surface of the groove and the other end contacting the stabilizing rod. This creates an elastic connection between the push block and the connecting groove, ensuring that the push block remains in contact with the locking block. This structure seals the mounting slot, preventing dust and water from entering the connector and avoiding electrical leakage. Furthermore, after pressing down the locking block and pulling out the connector, the spring allows for a reset, making operation convenient and simple.

[0016] Preferably, the side wall of the mounting groove is provided with an embedding groove, and a connecting strip is connected to the lower side wall of the push block, the connecting strip being slidably connected to the embedding groove. Specifically, the mounting groove is further provided on the side wall of the mounting groove, and the connecting strip is provided at the lower end of the push block. This connecting strip is inserted into the embedding groove. This structure serves a guiding function, and the connecting strip also seals the mounting groove, preventing dust and water from entering the paper guide connector and causing leakage.

[0017] Preferably, the locking block has support bars on both side walls, and the mounting groove has support grooves on its side walls. Supporting rubber blocks are installed in the support grooves, and several guide rollers are provided on the end faces of the supporting rubber blocks, with the guide rollers contacting the support bars. Specifically, support bars are located in the middle of both side walls of the locking block, and a support groove is located at the lower end of the inner wall of the mounting groove. A supporting rubber block, U-shaped and made of rubber, is installed inside the support groove. Several guide rollers are installed on the inner wall of the supporting rubber block, allowing axial rotation. The support bars of the locking block are inserted into the supporting rubber blocks, and simultaneously, the support bars contact the guide rollers. This allows the supporting rubber blocks to be squeezed when the locking block is pressed down. Furthermore, due to the guide rods and guide grooves, the locking block will move laterally as it moves downwards. The support bars and guide rollers reduce friction between the support bars and the supporting rubber blocks, ensuring smooth lateral movement and facilitating the removal of the connector from the locking block, making operation simple and convenient.

[0018] The beneficial effects of this utility model are: covering the outer wall of the main body of the circuit board with an insulating layer can prevent leakage; the locking block is made of insulating material, and the connector connected to the connector can be pulled out by pressing down the locking block, without the need for direct contact with the connector, thus avoiding leakage and electric shock, and making operation safe. Attached Figure Description

[0019] Figure 1 This is a three-dimensional view of the present invention;

[0020] Figure 2 This is a cross-section of the utility model. Figure 1 ;

[0021] Figure 3 This is a cross-section of the utility model. Figure 2 .

[0022] In the attached diagram, 1. Main body plate, 2. Connecting seat, 3. Insertion interface, 4. Locking assembly, 5. Locking block, 6. Insulating layer, 7. Insulating pad, 8. Guide rod, 40. Locking frame, 41. Side groove, 42. Mounting groove, 43. Connecting groove, 44. Push block, 45. Stabilizing rod, 46. Spring, 47. Embedded groove, 48. Connecting strip, 49. Support groove, 50. Locking strip, 51. Guide groove, 52. Support strip, 53. Supporting rubber block, 54. Guide roller. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0024] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0025] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0026] Example 1, as Figure 1-3As shown, a PCB circuit board structure for preventing current leakage includes: a main board 1, on the upper surface of which several components are connected; a connector 2, disposed on one side of the main board 1, with several insertion interfaces 3; and a locking assembly 4, comprising a locking frame 40 mounted on the outside of the insertion interfaces 3, and a locking block 5 for locking the connector. The outer wall of the main board 1 is covered with an insulating layer 6.

[0027] The inner wall of the locking frame 40 is provided with a side groove 41, and an insulating pad 7 is installed in the side groove 41. The insulating pad 7 has a cavity inside.

[0028] The locking frame 40 has mounting grooves 42 at both the top and bottom. The locking block 5 is a T-shaped block and is installed in the mounting groove 42. The lower end of the locking block 5 is provided with a locking strip 50, which engages with the connector.

[0029] A guide rod 8 is connected to the end face of the connecting seat 2. A guide groove 51 is provided on the inner side wall of the upper end of the locking block 5. The inner wall of the guide groove 51 is inclined. The guide rod 8 contacts the guide groove 51.

[0030] The inner wall of the mounting groove 42 is provided with a connecting groove 43, and a push block 44 is installed in the connecting groove 43. The inner side wall of the upright end of the push block 44 contacts the locking block 5. A stabilizing rod 45 is connected to the outer side wall of the upright end of the push block 44. The stabilizing rod 45 is inserted into the connecting groove 43. A spring 46 is connected to the end of the stabilizing rod 45. The spring 46 contacts the bottom surface of the inner wall of the connecting groove 43.

[0031] The mounting groove 42 has an embedding groove 47 on its side wall, and the lower side wall of the push block 44 is connected to a connecting strip 48, which is slidably connected to the embedding groove 47.

[0032] The locking block 5 has support bars 52 on both sides, and the mounting groove 42 has support grooves 49 on its side. Support blocks 53 are installed in the support grooves 49, and a plurality of guide rollers 54 are provided on the end face of the support blocks 53. The guide rollers 54 are in contact with the support bars 52.

[0033] The working principle of this utility model is as follows: Figure 1-3As shown, this circuit board structure includes a main board 1, on the upper surface of which several components are soldered. A connector 2 is located on one side of the main board 1, and several plug-in interfaces 3 are provided on the connector 2 for connecting cable connectors. A locking assembly 4 is provided on the connector 2, and a locking frame 40 is provided within the locking assembly 4. The locking frame 40 is located outside the plug-in interface 3, and a locking block 5 is installed on the locking frame 40. By pressing the locking block 5, the connector can be easily pulled out of the plug-in interface 3. The locking block 5 is made of insulating material, which prevents leakage at the connector, thus eliminating the risk of electric shock by eliminating the need for hand contact when pulling out the connector. The outer wall of the main board 1 is covered with an insulating layer 6, which prevents leakage at the edges of the main board 1, also preventing the risk of electric shock.

[0034] The locking frame 40 has a side groove 41 on its inner side wall. The inside of the side groove 41 is filled with an insulating pad 7. The insulating pad 7 has a cavity inside. The cavity makes the insulating pad 7 elastic. When the connector is inserted into the locking frame 40, the insulating pad 7 can be compressed to ensure sealing and insulation, thereby achieving the function of preventing leakage.

[0035] The locking frame 40 has mounting grooves 42 at both the top and bottom. The mounting grooves 42 have a T-shaped cross-section. The locking block 5 is also a T-shaped block. The locking block 5 is installed in the mounting grooves 42. A retaining strip 50 is provided at the lower end of the locking block 5. The retaining strip 50 can be engaged with the connector. The lower end of the retaining strip 50 is made of hard rubber to ensure stable insertion of the connector after installation. It also ensures that the locking block 5 and the connector are insulated to prevent leakage.

[0036] A guide rod 8 is fixedly installed on the end face of the connector 2. A guide groove 51 is provided on the upper end of the locking block 5. The guide groove 51 is located on the inner wall of the locking block 5 near the connector 2. The inner wall of the guide groove 51 is inclined. The guide rod 8 contacts the guide groove 51. When the locking block 5 is pressed down, the inner bottom surface of the guide groove 51 slides relative to the guide rod 8, allowing the locking block 5 to slide along the inclined surface of the guide groove 51. This structure can drive the lower end locking strip 50 of the locking block 5 to slide, pulling the connector outwards for easy disassembly. This structure allows the connector to be pulled out without direct contact; simply pressing the locking block 5 completes the removal of the connector. The operation is simple and convenient, while also providing protection against leakage and electric shock.

[0037] The mounting groove 42 has a connecting groove 43 on its inner wall. A push block 44 is installed in the connecting groove 43. The inner wall of the upright end of the push block 44 contacts the locking block 5. A stabilizing rod 45 is installed on the outer wall of the upright end of the push block 44. The stabilizing rod 45 is inserted into the connecting groove 43. At the same time, a spring 46 is installed in the connecting groove 43. One end of the spring 46 contacts the bottom surface of the connecting groove 43, and the other end contacts the stabilizing rod 45, so that the push block 44 and the connecting groove 43 are elastically connected. This ensures that the push block 44 is always in contact with the locking block 5. This structure can seal the mounting groove 42, preventing dust and water from entering the connector 2 and avoiding leakage. At the same time, after pressing down the locking block 5 and pulling out the connector, it can be reset under the action of the spring 46, making the operation convenient and simple.

[0038] The mounting groove 42 is provided with an embedded groove 47 on its side wall, and a connecting strip 48 is provided at the lower end of the push block 44. The connecting strip 48 is inserted into the embedded groove 47. This structure can play a guiding role. At the same time, the setting of the connecting strip 48 can seal the mounting groove 42 to prevent dust and water from entering the paper guide connector 2 and causing leakage.

[0039] Support bars 52 are provided in the middle of the two side walls of the locking block 5. At the same time, a support groove 49 is provided at the lower end of the inner wall of the mounting groove 42. A support rubber block 53 is installed inside the support groove 49. The support rubber block 53 is a U-shaped block and a rubber block. Several guide rollers 54 are installed on the inner wall of the support rubber block 53. The guide rollers 54 can rotate axially. The support bars 52 of the locking block 5 are inserted into the support rubber block 53. At the same time, the support bars 52 contact the guide rollers 54, so that when the locking block 5 is pressed down, the support rubber block 53 can be squeezed. At the same time, due to the function of the guide rod 8 and the guide groove 51, the locking block 5 will move laterally while moving downward. The support bars 52 and guide rollers 54 can reduce the friction between the support bars 52 and the support rubber block 53, so that the lateral movement is smooth and it is convenient for the locking block 5 to pull out the connector, making the operation simple and convenient.

[0040] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An electric leakage preventing PCB wiring board structure, characterized by, include: The main body plate (1) has several components connected to its upper surface; Connecting seat (2), the connecting seat (2) is disposed on one side of the main body plate (1), and the connecting seat (2) is provided with several plug-in interfaces (3); Locking group (4), the locking group (4) is provided with a locking frame (40), the locking frame (40) is installed on the outside of the plug interface (3), and the locking frame (40) is equipped with a locking block (5) for easy plugging and unplugging of the connector.

2. The electric leakage preventing PCB structure according to claim 1, wherein The outer wall of the main plate (1) is covered with an insulating layer (6).

3. The electric leakage preventing PCB structure according to claim 1, wherein The inner wall of the locking frame (40) is provided with a side groove (41), and an insulating pad (7) is installed in the side groove (41). The insulating pad (7) has a cavity inside.

4. The PCB circuit board structure for preventing leakage current as described in claim 1, characterized in that, The locking frame (40) is provided with mounting grooves (42) at the top and bottom. The locking block (5) is a T-shaped block. The locking block (5) is installed in the mounting groove (42). The lower end of the locking block (5) is provided with a locking strip (50). The locking strip (50) is engaged with the connector.

5. The PCB circuit board structure for preventing leakage current as described in claim 1, characterized in that, The end face of the connecting seat (2) is connected to a guide rod (8), and the upper inner wall of the locking block (5) is provided with a guide groove (51). The inner wall of the guide groove (51) is inclined, and the guide rod (8) contacts the guide groove (51).

6. The PCB circuit board structure for preventing leakage current as described in claim 4, characterized in that, The inner wall of the mounting groove (42) is provided with a connecting groove (43), and a push block (44) is installed in the connecting groove (43). The inner side wall of the upright end of the push block (44) is in contact with the locking block (5). A stabilizing rod (45) is connected to the outer side wall of the upright end of the push block (44). The stabilizing rod (45) is inserted into the connecting groove (43). A spring (46) is connected to the end of the stabilizing rod (45). The spring (46) is in contact with the bottom surface of the inner wall of the connecting groove (43).

7. The PCB circuit board structure for preventing leakage current as described in claim 6, characterized in that, The mounting groove (42) has an embedding groove (47) on its side wall, and the lower side wall of the push block (44) is connected to a connecting strip (48), which is slidably connected to the embedding groove (47).

8. The PCB circuit board structure for preventing leakage current as described in claim 4, characterized in that, The locking block (5) has support bars (52) on both sides, and the mounting groove (42) has support grooves (49) on its side. Support blocks (53) are installed in the support grooves (49), and a number of guide rollers (54) are provided on the end face of the support blocks (53). The guide rollers (54) are in contact with the support bars (52).

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