CN202005098U - Circuit board protection cover plate - Google Patents

Abstract

The utility model relates to a circuit board protection cover plate which is easy to install and can protect the circuit board. It solves the defect that the circuit board in the exposed state is easy to accumulate dust and cause short circuit of the chip pins of the circuit board in the prior art, including the main body of the cover plate. The main body is provided with a plurality of circuit board fixing holes, the two sides of the cover main body are provided with open cover fixing grooves, and the sides of the cover are provided with L-shaped hooks perpendicular to the cover main body. The insulating lining can make the circuit board cover form an insulating part. After the circuit board cover is fixed with the circuit board, it will not cause static sound to the circuit board. The hook is combined with the circuit board fixing groove to facilitate the connection of the circuit board cover to the circuit board. Fixed with the case.

Description

Circuit board protection cover

technical field

The utility model relates to a component of a circuit board installation machine frame, in particular to a circuit board protection cover plate which is easy to install and can protect the circuit board.

Background technique

With the gradual development of electronic technology, the complexity of the circuit board is gradually increasing, and the number of chips integrated on a circuit board is also increasing, which makes the connection between the chips complicated and the total length of the connection increases. , the heat generated by the chip will also increase. In order to ensure the normal operation of the chip for a long time, it is necessary to dissipate the generated heat in time.

When the circuit board is installed and used, it is sometimes directly exposed to the outside, which can improve the heat dissipation effect, but the exposure of the circuit board also brings some hidden dangers. Dust is easy to accumulate on the circuit board, causing a short circuit between the pins of the chip on the circuit board, and after the circuit board is exposed, the chip pins are easily bumped by foreign objects, resulting in loose pins, which may cause signal transmission interruption.

The Chinese Patent Office announced a CN2468723Y document on January 2, 2002, which is called a micro-printer circuit board protective cover. The protective cover is closed on three sides by two side walls and a top wall. The long hole of the flat cable port and the hole capable of exposing the power cord port are provided with installation protrusions and positioning protrusions on the side wall of the protective cover. However, the protective cover is only a shell-like structure, and besides the circuit board, the protected components include various data lines, resulting in a relatively large space formed by the protective cover, and the data lines are not separated from the circuit board.

Contents of the invention

The utility model solves the defect in the prior art that the circuit board is in an exposed state and easily accumulates dust, which causes short circuit of the circuit board chip pins, and provides a circuit board protection cover to cover the circuit board to prevent dust from falling on the circuit board, and solves the problem of pins on the circuit board. Short circuit problem.

The utility model also solves the defect in the prior art that the circuit board is exposed so that the pins are easily collided and the pins become loose, and provides a circuit board protection cover to cover the circuit board to prevent the pins from being collided.

The technical scheme adopted by the utility model to solve the technical problem is: a circuit board protection cover plate, including a cover plate main body, the cover plate main body is planar, and it is characterized in that a layer of insulating lining is attached to the surface of the cover plate main body. The board main body is provided with a plurality of circuit board fixing holes, the two sides of the cover main body are provided with open cover fixing grooves, and the sides of the cover are provided with L-shaped hooks perpendicular to the cover main body. The main body of the cover plate is flat and close to the circuit board. The insulating lining on the surface can play an insulating role, thereby preventing the influence of static electricity on the circuit board and preventing static electricity from being transmitted to the outside of the casing through the circuit board cover plate. The circuit board fixing hole The position and quantity of the circuit board are set according to the specific shape of the circuit board. The circuit board fixing holes are arranged according to the plane to support and fix the circuit board. When the size of the circuit board is large, the number of circuit board fixing holes increases. Fixed, and make the circuit board cover flat with the circuit board, to prevent the problem of distortion that may occur when the circuit board is large in size; The hook can be easily connected. Align the hook with the corresponding connection groove on the machine frame and push it forward. The cover fixing groove can be snapped into the connection hole of the machine frame and fixed directly with screws, which is more convenient to use.

Preferably, there are two cover plate fixing grooves, located at the end positions on both sides of the cover plate main body and protruding from the sides of the cover plate main body, and the cover plate fixing grooves are U-shaped. Only the cover plate fixing groove protrudes from the side, so only these two parts overlap with the machine frame to prevent the main body of the cover plate from interfering with the machine frame. to the connection hole of the chassis.

Preferably, the cross-section of the U-shaped cover plate fixing groove is Z-shaped, and the height difference of the Z-shape is the thickness of the cover plate main body. The cross-section is Z-shaped, so that the end of the fixing groove of the cover plate is bent. When the main body of the cover plate is connected with the machine frame, the height difference of the bending is just so that the surface of the main body of the cover plate is equal to the edge of the corresponding connection part of the machine frame. together.

Preferably, the circuit board fixing holes include two at the side and three at the middle, and each circuit board fixing hole is in the shape of a protrusion. The raised circuit board fixing holes can separate the surface of the circuit board from the surface of the main body of the cover, thereby preventing damage to the pins.

Preferably, an insulating gasket made of PET material is attached to the fixing hole of the circuit board, and the shape of the insulating gasket matches the shape of the fixing hole of the circuit board.

Preferably, the lower side of the main body of the cover plate is provided with a wiring groove, and the two ends of the side of the main body of the cover plate opposite to the side where the wiring groove is located are provided with the circuit board fixing grooves.

Preferably, a flange is provided around the main body of the cover, the bending direction of the flange is the same as that of the hook, and the height of the flange is equal to the height of the fixing hole of the circuit board. The flanging can strengthen the strength of the main body of the cover plate, and at the same time, shallow creases can be provided on the surface of the main body of the cover plate to improve the strength.

The beneficial effect of the utility model is: the insulating inner lining can make the circuit board cover plate form an insulating part, and the circuit board cover plate and the circuit board will not cause static sound to the circuit board after the circuit board cover plate is fixed, and the hook is combined with the circuit board fixing groove, which is convenient The circuit board cover is fixed to the casing after being connected to the circuit board.

Description of drawings

Fig. 1 is a kind of three-dimensional structure schematic diagram of the utility model;

Fig. 2 is a kind of front view of the utility model;

Fig. 3 is a side view of the utility model;

In the figure: 1. The main body of the cover plate, 2. The fixing groove of the cover plate, 3. The notch, 4. The fixing hole of the circuit board, 5. The wiring groove, 6. The flange, 7. The hook.

Detailed ways

The technical solutions of the present utility model will be further specifically described below through specific embodiments and in conjunction with the accompanying drawings.

Embodiment: A circuit board protective cover (see accompanying drawing 1 and accompanying drawing 2 and accompanying drawing 3), comprising a planar cover main body 1, an insulating lining made of a layer of PET material is attached to the surface of the cover main body, and the cover Three circuit board fixing holes 4 are arranged on the main body of the board, and the three circuit board fixing holes are arranged in a triangular shape in the shape of a boss, and an insulating gasket made of PET material matching the shape is adhered to the three circuit board fixing holes. , the two sides of the main body of the cover are provided with notches 3, and the notches are provided with open circuit board fixing holes. 5. There are protruding opening-shaped cover plate fixing grooves 2 at both ends of the side opposite to the wiring groove on the cover plate body. The cover plate fixing groove is U-shaped, and the cross-section of the U-shaped cover plate fixing groove is Z. Shape, Z-shaped height difference is the thickness of the main body of the cover plate, the side of the cover plate is provided with an L-shaped hook 7 perpendicular to the main body of the cover plate, and the bending direction of the end of the hook is facing the opening of the fixing groove of the cover plate direction, a flange 6 is arranged around the main body of the cover plate, the bending direction of the flange is the same as that of the grab hook, and the height of the flange is equal to the height of the fixing hole of the circuit board.

Use screws to fix the circuit board to the circuit board protection cover. The opening direction of the circuit board fixing slot is aligned with the connecting hole of the machine frame and inserted. At the same time, the hook is aligned with the connection groove of the machine frame. Push the board forward so that the center of the connecting hole of the U-shaped central phone frame of the cover fixing groove is aligned, and then connect the circuit board protection cover and the machine frame with screws.

The above-described embodiment is only a preferred solution of the utility model, and does not limit the utility model in any form. There are other variations and modifications under the premise of not exceeding the technical solution described in the claims. .

Claims (7)

1. A circuit board protection cover plate, comprising a cover plate main body, the cover plate main body is planar, characterized in that the surface of the cover plate main body is attached with a layer of insulating lining, and the cover plate main body is provided with a plurality of circuit board fixing holes, Both sides of the cover main body are provided with open cover fixing grooves, and the sides of the cover are provided with L-shaped hooks perpendicular to the cover main body. 2. The circuit board protection cover according to claim 1, characterized in that there are two cover fixing grooves, located at the end positions on both sides of the cover main body and protruding from the side of the cover main body, and the cover fixing grooves are U shape. 3. The circuit board protection cover according to claim 2, wherein the cross-section of the U-shaped cover fixing groove is Z-shaped, and the height difference of the Z-shape is the thickness of the cover main body. 4. The circuit board protection cover according to claim 1, 2 or 3, characterized in that the circuit board fixing holes include two on the side and three in the middle, and each circuit board fixing hole is convex . 5. The circuit board protection cover according to claim 4, characterized in that an insulating gasket made of PET material is attached to the circuit board fixing hole in the middle, and the shape of the insulating gasket is consistent with the shape of the circuit board fixing hole. match. 6. The circuit board protection cover according to claim 1, 2 or 3, characterized in that the lower side of the cover body is provided with a wiring groove, and the two ends of the side of the cover body opposite to the side where the wiring groove is located Set the circuit board fixing groove. 7. The circuit board protection cover according to claim 1, 2 or 3, characterized in that a flange is provided around the main body of the cover, the bending direction of the flange is the same as that of the hook, and the bending direction of the flange is the same as that of the hook. The height is equal to the height of the fixing hole of the circuit board.

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