CN219802653U - Antistatic circuit board - Google Patents

Abstract

The utility model discloses an antistatic circuit board, which comprises: the circuit board comprises a circuit board body, wherein a circle of conductive adhesive tape is arranged on the outer side of the circuit board body; the metal frame comprises a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are spliced, and the periphery of the conductive adhesive tape is clamped with the first groove and the second groove; the four supporting mechanisms are respectively positioned below four corners of the metal frame and comprise a metal supporting plate and the like, the metal supporting plate is positioned at the top end of the screw rod, the second screw hole is positioned on the metal supporting plate, and the threaded sleeve is in threaded connection with the screw rod; the connecting piece is used for fixing the supporting mechanism and the metal frame. Static electricity generated by the circuit board body is conducted onto the metal frame through the conductive adhesive tape, the supporting mechanism and the metal frame are fixed through the connecting piece, and the static electricity can be further conducted to the outside through the supporting mechanism, so that static electricity accumulation is prevented.

Description

Antistatic circuit board

Technical Field

The present utility model relates to a circuit board, and more particularly, to an antistatic circuit board.

Background

The names of the circuit boards are: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high frequency boards, thick copper plates, impedance boards, thin circuit boards, ultra-thin circuit boards, printed circuit boards, and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in mass production of fixed circuits and optimization of the layout of electrical appliances. The circuit board may be referred to as a printed wiring board or a printed circuit board. The circuit board mainly comprises a bonding pad, a via hole, a mounting hole, a wire, a component, a connector, a filling, an electric boundary and the like.

At present, chinese patent No. CN212367613U discloses a circuit board with dust removal antistatic function, which comprises bellows, micro motor, through-flow wind wheel, metal bar, metal mesh, etc., wherein the bellows, micro motor and through-flow wind wheel are fixedly connected at one end of the circuit board, blow dust removal to the surface of the board, and meanwhile, the metal bar, metal mesh and ground wire form a loop to conduct out the static electricity of the main board so as to prevent static electricity.

The technical scheme of the patent has the following defects: the circuit board main body is fixedly connected with the bellows, the disassembly is troublesome when components are installed at the later stage, and the wind wheel fan blade can generate static electricity in the working process, so that the circuit board main body is influenced or damaged.

Disclosure of Invention

In view of the above, in order to overcome the defects in the prior art, the present utility model provides an antistatic circuit board.

The utility model solves the technical problems by the following technical proposal: an antistatic circuit board, comprising: the circuit board comprises a circuit board body, wherein a circle of conductive adhesive tape is arranged on the outer side of the circuit board body; the metal frame comprises a first installation frame and a second installation frame, the first installation frame and the second installation frame are spliced, two ends of the first installation frame are respectively provided with a through hole, the inner side of the first installation frame is provided with a first groove, four corners of the second installation frame are respectively provided with a first screw hole, the through holes are communicated with the first screw holes, the inner side of the second installation frame is provided with a second groove, and the periphery of the conductive adhesive tape is clamped with the first groove and the second groove; the four supporting mechanisms are respectively positioned below four corners of the metal frame and comprise a metal supporting plate, second screw holes, a screw rod, a threaded sleeve and a metal base, wherein the metal supporting plate is positioned at the top end of the screw rod, the second screw holes are formed in the metal supporting plate, the metal base is positioned at the bottom end of the screw rod, the threaded sleeve is positioned at the joint of the metal base and the screw rod, and the threaded sleeve is in threaded connection with the screw rod; the connecting piece is used for fixing the supporting mechanism and the metal frame.

Preferably, the width of the conductive adhesive tape is the same as the width of the first groove and the width of the second groove.

Preferably, the connection member is a screw or a screw.

Preferably, the circuit board body comprises a base layer, a conductive layer and an antistatic layer, wherein the conductive layer is arranged between the base layer and the antistatic layer, and the conductive adhesive tape is arranged on the outer side of the conductive layer.

Preferably, the antistatic layer is made of polycarbonate.

Preferably, the metal base is connected to a ground wire.

The utility model has the positive progress effects that: firstly, static that circuit board body produced is conducted to metal framework through the conducting strip, and is fixed through the connecting piece between supporting mechanism and the metal framework, and supporting mechanism can contact or be connected a ground wire with ground, and static can further be conducted to the external world through supporting mechanism, prevents static and piles up.

Second, screw sleeve is located the junction of metal base and screw rod, screw sleeve and screw rod threaded connection, when needs height-adjusting, rotates the screw rod, makes the screw rod rotate from top to bottom at screw sleeve, conveniently adjusts circuit board body until suitable height, makes circuit board body keep the horizontal plane and have a heat dissipation space, improves the radiating effect, easy dismounting.

Drawings

Fig. 1 is a schematic diagram of a side structure of an antistatic circuit board according to the present utility model.

Fig. 2 is a schematic diagram of another structure of the antistatic circuit board according to the present utility model.

Fig. 3 is a schematic structural view of a second mounting frame according to the present utility model.

Fig. 4 is a schematic structural view of a metal frame according to the present utility model.

Fig. 5 is a schematic structural view of a supporting mechanism in the present utility model.

Fig. 6 is a schematic structural diagram of a circuit board body and a conductive adhesive tape according to the present utility model.

Fig. 7 is a schematic structural diagram of a circuit board body and other elements in the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, the antistatic circuit board of the present utility model includes: the circuit board comprises a circuit board body 1, wherein a circle of conductive adhesive tape 2 is arranged on the outer side of the circuit board body 1; the metal frame comprises a first installation frame 3 and a second installation frame 4, the first installation frame 3 and the second installation frame 4 are spliced, two ends of the first installation frame 3 are respectively provided with a through hole 7, the inner side of the first installation frame 3 is provided with a first groove 8, four corners of the second installation frame 4 are respectively provided with a first screw hole 5, the through holes 7 are communicated with the first screw holes 5, the inner side of the second installation frame 4 is provided with a second groove 6, and the periphery of the conductive adhesive tape 2 is clamped with the first groove 8 and the second groove 6; the four supporting mechanisms 9 are respectively positioned below four corners of the metal frame, each supporting mechanism 9 comprises a metal supporting plate 10, a second screw hole 11, a screw rod 12, a threaded sleeve 13 and a metal base 14, the metal supporting plate 10 is positioned at the top end of the screw rod 12, the second screw hole 11 is positioned on the metal supporting plate 10, the metal base 14 is positioned at the bottom end of the screw rod 12, the threaded sleeve 13 is positioned at the joint of the metal base 14 and the screw rod 12, and the threaded sleeve 13 is in threaded connection with the screw rod 12; the connecting piece 15 is used for fixing the supporting mechanism 9 and the metal frame.

The width of the conductive adhesive tape 2 is the same as the width of the first groove 8 and the width of the second groove 6, so that the conductive adhesive tape can be attached better and is convenient to conduct electricity. The connecting piece 15 can be a screw or a screw, so that the connecting piece is convenient to be in threaded connection with the first screw hole 5 and the second screw hole 11, and is convenient to assemble and disassemble. As shown in fig. 7, the circuit board body 1 includes a base layer 16, a conductive layer 17, and an antistatic layer 18, the conductive layer 17 is located between the base layer 16 and the antistatic layer 18, the conductive adhesive tape 2 is located outside the conductive layer 17, and the antistatic layer 18 improves the antistatic effect. The antistatic layer 18 is made of polycarbonate, and is used for antistatic and low in cost. The metal base 14 is connected with a ground wire, so that static electricity can be conducted conveniently.

The working principle of the utility model is as follows: the components of the utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods. When the circuit board is used, static electricity generated by the circuit board body 1 is conducted onto the metal frame through the conductive adhesive tape 2, the supporting mechanism 9 is fixed with the metal frame through the connecting piece, the supporting mechanism 9 can be in contact with the ground or is connected with a ground wire, the static electricity can be further conducted to the outside through the supporting mechanism 9, and static electricity accumulation is prevented. The screw sleeve 13 is located the junction of metal base 14 and screw rod 12, and screw sleeve 13 and screw rod 12 threaded connection when needs height-adjusting, rotate screw rod 12, make screw rod 12 rotate about screw sleeve 13, conveniently adjust circuit board body 1 to suitable height, make circuit board body 1 keep the horizontal plane and have a heat dissipation space, improve the radiating effect, easy dismounting.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. An antistatic circuit board, comprising: the circuit board comprises a circuit board body (1), wherein a circle of conductive adhesive tape (2) is arranged on the outer side of the circuit board body (1); the metal frame comprises a first installation frame (3) and a second installation frame (4), wherein the first installation frame (3) and the second installation frame (4) are connected in an inserting mode, two ends of the first installation frame (3) are respectively provided with a through hole (7), the inner side of the first installation frame (3) is provided with a first groove (8), four corners of the second installation frame (4) are respectively provided with a first screw hole (5), the through holes (7) are communicated with the first screw holes (5), the inner side of the second installation frame (4) is provided with a second groove (6), and the periphery of the conductive adhesive tape (2) is clamped with the first groove (8) and the second groove (6); the four supporting mechanisms (9) are respectively positioned below four corners of the metal frame, each supporting mechanism (9) comprises a metal supporting plate (10), a second screw hole (11), a screw rod (12), a threaded sleeve (13) and a metal base (14), the metal supporting plates (10) are positioned at the top ends of the screw rods (12), the second screw holes (11) are positioned on the metal supporting plates (10), the metal base (14) is positioned at the bottom end of the screw rod (12), the threaded sleeve (13) is positioned at the joint of the metal base (14) and the screw rod (12), and the threaded sleeve (13) is in threaded connection with the screw rod (12); and the connecting piece (15) is used for fixing the supporting mechanism (9) and the metal frame.

2. The antistatic circuit board according to claim 1, wherein the width of the conductive adhesive tape (2) is the same as the width of the first groove (8) and the width of the second groove (6).

3. An antistatic circuit board according to claim 1, characterized in that the connection element (15) is a screw or a screw.

4. The antistatic circuit board according to claim 1, wherein the circuit board body (1) comprises a base layer (16), a conductive layer (17) and an antistatic layer (18), the conductive layer (17) is located between the base layer (16) and the antistatic layer (18), and the conductive adhesive tape (2) is located outside the conductive layer (17).

5. The antistatic circuit board according to claim 4, wherein the antistatic layer (18) is made of polycarbonate.

6. The antistatic circuit board according to claim 1, wherein said metal base (14) is connected to a ground line.