Circuit board with enhanced grounding function

Abstract

The utility model belongs to the technical field of circuit boards, and particularly relates to a circuit board with an enhanced grounding function, which comprises a protective shell and a mainboard arranged in the protective shell, an adjusting assembly is connected with a supporting rod, the back surface of the mainboard is provided with a storage box, a micro motor is arranged in the storage box, and the micro motor is connected with the supporting rod. A bidirectional lead screw is installed at the output end of the micro motor, a sliding ring is arranged on the bidirectional lead screw, an ejector rod is connected to the sliding ring, a hole groove is formed in the storage box, and an ejector plate is installed at one end of the ejector rod. The installation efficiency of the main board is improved by installing the ejector rod, firstly, the main board is placed on the supporting rod in the protective shell, the micro motor is started to drive the sliding ring to move in the opposite direction through the bidirectional lead screw, the sliding ring drives the ejector rod to enter the sliding groove to make contact with the inner wall of the sliding groove, and therefore the position of the main board is fixed; and meanwhile, the circuit boards with different sizes can be mounted in the protective shell, so that the universality of the protective shell is improved, and the overall assembly efficiency of the circuit boards is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board, concretely to a circuit board that enhances the function of grounding. BACKGROUND

[0002] Circuit board, also known as printed circuit board (PCB), is an indispensable basic component in electronic equipment, which provides connection between electronic components to ensure normal operation of the equipment. The copper clad plate connected to the back of the circuit board enhances the function of the circuit board ground wire. The copper clad plate provides a low-impedance grounding path, which helps the smooth flow of current, reduces the ground impedance, and at the same time, the large-area copper clad plate acts as an electromagnetic shield, reducing external electromagnetic interference and suppressing internal signal electromagnetic radiation, improving the anti-interference ability of the circuit. In addition, the copper clad plate also serves as a stable reference plane for high-speed signals, improving signal integrity and reducing reflection and crosstalk. Therefore, through the copper clad plate, the circuit board realizes more efficient current management and enhances the function of the circuit board ground wire.

[0003] Patent document CN219437218U discloses a waterproof circuit board, which comprises a fixed bin, a protection bin is arranged on the top surface of the fixed bin, a baffle is arranged on one side of the fixed bin, a circuit board is arranged inside the fixed bin, a waterproof assembly is arranged on one side of the fixed bin for waterproofing the circuit board, the waterproof assembly comprises two limiting grooves, the two limiting grooves are arranged on one side of the fixed bin, a limiting plate is movably connected inside the limiting groove, and the fixed bin, protection bin, baffle, circuit board, limiting groove, limiting plate, first fixed block and first threaded hole are used in cooperation to prevent water vapor from entering the fixed bin through the gap between the fixed bin, protection bin and baffle, thereby achieving the purpose of waterproofing the circuit board and preventing the circuit board from being damaged by short circuit. However, the waterproof circuit board disclosed in the above document mainly considers waterproofing the circuit board to prevent it from being damp and thus avoiding short circuit and damage. It does not consider that when installing circuit boards of different sizes, the size of the circuit board and the protective shell must be strictly matched, which requires that each specification of circuit board needs a customized protective shell, limiting the universality of the circuit board and the protective shell, and increasing the installation difficulty by manually fixing the circuit board with additional tools, thereby causing the problems of increased production cost and low installation efficiency. Therefore, it is necessary to develop a circuit board that enhances the function of grounding to increase the universality of the circuit board and the protective shell and improve the overall assembly efficiency of the circuit board. UTILITY MODEL CONTENTS

[0004] The utility model discloses a line board of enhancing ground function, to solve the technical problem of the versatility between the line board and the protective shell 1 of the established size when installing the line board of different sizes in the background art.

[0005] In order to realize the above object, the utility model provides the following technical scheme: a line board of enhancing ground function, including protective shell and the mainboard of installing in protective shell, the back of mainboard is connected with copper clad plate, the inner wall of protective shell is provided with adjusting assembly, adjusting assembly is connected with support rod on, and mainboard places on support rod, the back of mainboard is fixedly installed with storage box, micro motor is fixedly installed in storage box, the output of micro motor is fixedly installed with two -way screw rod, two -way screw rod is provided with slip ring on symmetry, and slip ring is connected with two -way screw rod threadedly, fixedly connected with the top rod on the slip ring, the symmetrically set -up hole groove is on the storage box, and the one end of top rod is connected with the inside of hole groove and hole groove slidingly, the one end of top rod is fixedly installed with top plate, and top plate is in contact with the inner wall of protective shell.

[0006] Preferably, the top plate is provided with a buffer pad, and the buffer pad is made of silica gel material.

[0007] Preferably, the storage box is fixedly installed with a power supply block, and the power supply block is connected with the micro motor circuit.

[0008] Preferably, the adjusting assembly includes a sliding groove, a V-shaped clamping groove, a moving block, a spring, a V-shaped clamping block and a square groove, the sliding groove is symmetrically arranged on the inner wall of the protective shell, the V-shaped clamping groove is arranged on the inner wall of the sliding groove, the moving block is slidingly arranged in the sliding groove, the spring is fixedly installed on the inner wall of the moving block, the V-shaped clamping block is fixedly installed on one end of the spring, the square groove is arranged on one end of the moving block, and the V-shaped clamping block penetrates out of the inside of the moving block through the square groove.

[0009] Preferably, the protective shell is provided with a limiting groove, a sealing cover is slidingly arranged in the limiting groove, and the sealing cover is located above the protective shell, a sealing strip is arranged on the edge of the sealing cover, and a bolt is symmetrically arranged on one end of the protective shell and located on one side of the sealing cover.

[0010] Preferably, a handle is fixedly installed on one side of the sealing cover, and a connecting port is arranged on one side of the sealing cover and located below the handle.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a top rod is installed with the installation efficiency of mainboard is improved, first place the mainboard on the support pole in the protective shell, then start the micro motor through wireless remote control, and the micro motor can drive the symmetrical sliding ring reverse movement through the bidirectional screw rod, and the sliding ring drives the top rod to move outwards through the hole groove, makes the symmetrical top plate enter the sliding slot and contacts its inner wall, to fix the position of mainboard, simple operation is convenient, need not to use the tool to install and fix the circuit board quickly and accurately, can also make the circuit board of different size install in the protective shell simultaneously, increase the versatility of protective shell, further improve the assembly efficiency of circuit board whole.

[0013] 2. The utility model discloses a sealing strip is installed to increase the waterproof performance of circuit board, and the sealing cover slides along the specific direction of limiting groove, is installed on the protective shell, and the opening of protective shell is sealed, and the edge of sealing cover is equipped with sealing strip, when sealing cover slides to the closed position, the contact surface of sealing strip and limiting groove forms the seal, when sealing cover is completely closed, sealing strip deforms under the pressure, fills the gap between sealing cover and limiting groove, prevents water and dust from entering, then through bolt is positioned to the position of sealing cover, protects the circuit board in the protective shell from the influence of environment to prolong the service life of circuit board, improves the operation stability and reliability of circuit board. DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the internal structure schematic diagram of the protective shell of the utility model;

[0016] Figure 3 It is the internal structure schematic diagram of the utility model's storage box;

[0017] Figure 4 It is Figure 3 The enlarged diagram of structure A;

[0018] Figure 5 It is Figure 2 The enlarged diagram of structure B;

[0019] Figure 6 It is the cross section structure schematic diagram of the utility model's moving block.

[0020] As shown in the figure: 1, protective shell; 2, main board; 3, copper clad plate; 4, support rod; 5, storage box; 6, micro motor; 7, bidirectional screw rod; 8, sliding ring; 9, ejector rod; 10, hole groove; 11, top plate; 12, power supply block; 13, buffer pad; 14, sliding groove; 15, V-shaped clamping groove; 16, moving block; 17, spring; 18, V-shaped clamping block; 19, square groove; 20, sealing cover; 21, sealing strip; 22, limiting groove; 23, bolt; 24, handle; 25, connecting port. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figure 1 Figure 6 ​The utility model provides a kind of line board of enhanced ground function, including protective shell 1 and the mainboard 2 being installed in protective shell 1, the back of mainboard 2 is connected with copper clad plate 3, the inner wall of protective shell 1 is symmetrically provided with adjusting assembly, adjusting assembly is connected with support rod 4, and mainboard 2 is placed on support rod 4, the back of mainboard 2 is fixedly installed with storage box 5, micro motor 6 is fixedly installed in storage box 5, output of micro motor 6 is fixedly installed with two-way screw rod 7, two-way screw rod 7 is symmetrically provided with sliding ring 8, and sliding ring 8 is threadedly connected with two-way screw rod 7, sliding ring 8 is fixedly connected with top rod 9, storage box 5 is symmetrically provided with hole slot 10, and one end of top rod 9 is slidably connected with hole slot 10 by penetrating the inside of hole slot 10, one end of top rod 9 is fixedly installed with top plate 11, and top plate 11 is in contact with the inner wall of protective shell 1, line board is indispensable basic component in electronic equipment, line board provides the connection between electronic components, ensure that equipment can normally operate, line board is installed in protective shell 1, provide physical protection for line board by protective shell 1, while external device line is connected with the mainboard 2 in protective shell 1 by connecting port 25, the function of line board ground wire is enhanced by the copper clad plate 3 connected to the back of line board, copper clad plate 3 provides low impedance ground path, it is helpful to the smooth flow of current, reduce ground impedance, therefore, by copper clad plate 3, line board realizes more efficient current management, and the function of line board ground wire is enhanced, but when installing line board of different sizes, the size between line board and protective shell 1 must be strictly matched, this requires that each specification of line board needs customized protective shell 1, this limits the universality between line board and protective shell 1, while using additional tools to manually fix line board increases installation difficulty, thereby causing the problems of increased production cost and low installation efficiency, when improving the installation efficiency of mainboard 2, by installing top rod 9, the installation efficiency of mainboard 2 is facilitated, first, mainboard 2 is placed on support rod 4 in protective shell 1, then micro motor 6 is started by wireless remote control, micro motor 6 will drive symmetric sliding ring 8 to move in opposite directions by two-way screw rod 7, sliding ring 8 drives top rod 9 to move outwards through hole slot 10, so that symmetric top plate 11 enters sliding slot 14 and is in contact with the inner wall, to fix the position of mainboard 2, it is simple and convenient to operate, without using tools, line board can be quickly and accurately installed and fixed, and different sizes of line board can also be installed in protective shell 1, increasing the universality of protective shell 1, further improving the overall assembly efficiency of line board.

[0023] Please refer to Figure 3 Buffer pad 13 is provided on top plate 11, and buffer pad 13 is silica gel material, and silica gel material has good elasticity, softness and compressibility, when protective shell 1 is impacted, impact force first acts on buffer pad 13 of silica gel material through protective shell 1, buffer pad 13 deforms, absorbs and disperses these energy, avoids impact force to be transmitted to mainboard 2 through top rod 9.

[0024] Referring to Figure 4 The power supply block 12 is fixedly installed in the receiving box 5 and is in circuit connection with the micro motor 6, and the power supply block 12 is used to provide electric energy for the micro motor 6.

[0025] Referring to Figure 1 、 Figure 2 、 Figure 5 and Figure 6 The adjusting assembly comprises a sliding groove 14, a V-shaped clamping groove 15, a moving block 16, a spring 17, a V-shaped clamping block 18 and a square slot 19. The sliding groove 14 is symmetrically arranged on the inner wall of the protective shell 1, the V-shaped clamping groove 15 is arranged on the inner wall of the sliding groove 14, the moving block 16 is slidingly arranged in the sliding groove 14, the spring 17 is fixedly installed on the inner wall of the moving block 16, the V-shaped clamping block 18 is fixedly installed on one end of the spring 17, the square slot 19 is arranged on one end of the moving block 16, and the V-shaped clamping block 18 penetrates through the inside of the moving block 16 through the square slot 19. When the position of the supporting rod 4 is adjusted, the moving block 16 is first manually pushed to make the V-shaped clamping block 18 disengage from the V-shaped clamping groove 15, and after the V-shaped clamping block 18 completely disengages from the V-shaped clamping groove 15, the moving block 16 can be moved along the sliding groove 14 to reach a new position. After that, the spring 17 pushes the V-shaped clamping block 18 into a new V-shaped clamping groove 15. Due to the special shape of the V-shaped clamping block 18 and the V-shaped clamping groove 15, once the V-shaped clamping block 18 is clamped into the V-shaped clamping groove 15, the moving block 16 cannot be easily moved, thereby realizing the fixation of the supporting rod 4 and completing the position adjustment of the supporting rod 4.

[0026] Referring to Figure 1 and Figure 2The waterproof shell 1 is provided with a limiting groove 22, a sealing cover 20 is slidably arranged in the limiting groove 22, the sealing cover 20 is located above the waterproof shell 1, a sealing strip 21 is arranged on the edge of the sealing cover 20, the waterproof shell 1 is symmetrically provided with a bolt 23 at one end, the bolt 23 is located at one side of the sealing cover 20, a handle 24 is fixedly installed on one side of the sealing cover 20, a connecting port 25 is arranged on one side of the sealing cover 20, and the connecting port 25 is located below the handle 24. When the waterproof performance of the circuit board is improved, the waterproof performance of the circuit board is improved by being provided with the sealing strip 21. The sealing cover 20 slides along a specific direction of the limiting groove 22, is installed on the waterproof shell 1, and seals the opening of the waterproof shell 1. Meanwhile, the edge of the sealing cover 20 is provided with the sealing strip 21. When the sealing cover 20 slides to a closed position, the sealing strip 21 forms a seal with the contact surface of the limiting groove 22. When the sealing cover 20 is completely closed, the sealing strip 21 deforms under the action of pressure, fills the gap between the sealing cover 20 and the limiting groove 22, and prevents water and dust from entering. Then, the position of the sealing cover 20 is limited by the bolt 23, the circuit board in the waterproof shell 1 is protected from the environment, the service life of the circuit board is prolonged, the operation stability and reliability of the circuit board are improved, the maintenance or replacement of the circuit board is more convenient due to the slidable sealing cover 20, a complex disassembly process is not required, the maintenance efficiency is improved, long-term maintenance and replacement costs are reduced, the sealing strip 21 is made of an elastic material such as rubber or silicone, and the sealing cover 20 is tightly attached to the waterproof shell 1 by the elastic sealing strip 21.

[0027] The working principle is that when the mounting efficiency of the mainboard 2 is improved, the mounting efficiency of the mainboard 2 is improved by being provided with the jacking rod 9. First, the mainboard 2 is placed on the supporting rod 4 in the protective shell 1, and then the wireless remote control starts the micro motor 6. The micro motor 6 drives the symmetrical sliding ring 8 to move in the opposite direction through the bidirectional screw rod 7. The sliding ring 8 drives the jacking rod 9 to move outwards through the hole slot 10, so that the symmetrical top plate 11 enters the sliding groove 14 and contacts the inner wall, so as to fix the position of the mainboard 2. It is simple and convenient to operate, and tools are not needed to quickly and accurately install and fix the circuit board. Meanwhile, circuit boards of different sizes can be installed in the protective shell 1, increasing the versatility of the protective shell 1 and further improving the overall assembly efficiency of the circuit board. When the waterproof performance of the circuit board is improved, the waterproof performance of the circuit board is improved by being provided with the sealing strip 21. The sealing cover 20 slides along the specific direction of the limiting groove 22 and is installed on the protective shell 1 to seal the opening of the protective shell 1. Meanwhile, the edge of the sealing cover 20 is provided with the sealing strip 21. When the sealing cover 20 slides to the closed position, the sealing strip 21 and the contact surface of the limiting groove 22 form a seal. When the sealing cover 20 is completely closed, the sealing strip 21 deforms under the pressure and fills the gap between the sealing cover 20 and the limiting groove 22, preventing water and dust from entering. Then, the position of the sealing cover 20 is limited by the bolt 23, protecting the circuit board inside the protective shell 1 from the environment, thereby prolonging the service life of the circuit board and improving the operation stability and reliability of the circuit board.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A circuit board with enhanced grounding function, comprising a protective housing (1) and a main board (2) installed inside the protective housing (1), wherein a copper-clad plate (3) is connected to the back of the main board (2), characterized in that: The inner wall of the protective shell (1) is symmetrically provided with adjustment components. A support rod (4) is connected to the adjustment components, and the main board (2) is placed on the support rod (4). A storage box (5) is fixedly installed on the back of the main board (2). A micro motor (6) is fixedly installed inside the storage box (5). A bidirectional lead screw (7) is fixedly installed at the output end of the micro motor (6). A slip ring (8) is symmetrically provided on the bidirectional lead screw (7), and the slip ring (8) is threadedly connected to the bidirectional lead screw (7). A top rod (9) is fixedly connected on the slip ring (8). A slot (10) is symmetrically provided on the storage box (5), and one end of the top rod (9) passes through the inside of the slot (10) and slides through the slot (10). A top plate (11) is fixedly installed on one end of the top rod (9), and the top plate (11) is in contact with the inner wall of the protective shell (1).

2. The circuit board with enhanced grounding function according to claim 1, characterized in that: A buffer pad (13) is provided on the top plate (11), and the buffer pad (13) is made of silicone.

3. A circuit board with enhanced grounding function according to claim 1, characterized in that: The storage box (5) is fixedly installed with a power supply block (12), and the power supply block (12) is connected to the micro motor (6) by a circuit.

4. A circuit board with enhanced grounding function according to claim 1, characterized in that: The adjustment assembly includes a slide groove (14), a V-shaped slot (15), a moving block (16), a spring (17), a V-shaped locking block (18), and a square groove (19). The slide groove (14) is symmetrically arranged on the inner wall of the protective shell (1). The V-shaped slot (15) is arranged on the inner wall of the slide groove (14). The moving block (16) is slidably arranged in the slide groove (14). The spring (17) is fixedly installed on the inner wall of the moving block (16). The V-shaped locking block (18) is fixedly installed on one end of the spring (17). The square groove (19) is arranged on one end of the moving block (16), and the V-shaped locking block (18) passes through the square groove (19) and exits the interior of the moving block (16).

5. A circuit board with enhanced grounding function according to claim 1, characterized in that: The protective shell (1) is provided with a limiting groove (22), and a sealing cover (20) is slidably provided in the limiting groove (22), and the sealing cover (20) is located above the protective shell (1). A sealing strip (21) is provided on the edge of the sealing cover (20), and a bolt (23) is symmetrically provided on one end of the protective shell (1), and the bolt (23) is located on one side of the sealing cover (20).

6. A circuit board with enhanced grounding function according to claim 5, characterized in that: A handle (24) is fixedly installed on one side of the sealing cover (20), and a connection port (25) is provided on one side of the sealing cover (20), and the connection port (25) is located below the handle (24).

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