CN103763850B - Protection cover for circuit board - Google Patents

Abstract

The invention discloses a protective cover for a circuit board, comprising a square cover body and a cover plate (1), the square cover body is composed of a bottom plate (5) and three side plates (7), and the three side plates (7) ) are provided with clamping parts (2) at the lower ends, and the inner sides of the clamping parts (2) are provided with card slots (3), and the opening end (9) of the square cover is provided with positioning card slots on the bottom plate (5) (4), the cover plate (1) cooperates with the positioning slot (4) and is fastened to the opening end (9) of the square cover body. The protection cover of the circuit board designed by the invention not only has a simple structure, but also has good dustproof effect, convenient loading and unloading, good thermal conductivity and strong practicability.

Description

Protective cover for circuit board

technical field

The invention relates to a protective cover, more particularly to a protective cover for a circuit board.

Background technique

The circuit board is connected with many electrical components by welding. Due to the influence of the external environment when the circuit board is installed and used, thick dust will accumulate on the circuit board and electrical components, which will not only affect the normal operation and efficiency of the electrical components, but also It can also cause short-circuit faults, thereby reducing the service life of circuit boards and electrical components. It is also inconvenient when dust is blown and washed, and the electrical components may be damaged if you are not careful.

Now some circuit boards also have protective plates with some board structures, but these protective plates are directly connected to the circuit boards by screws or glue, which not only has poor dustproof effect, but also is not easy to disassemble, which is extremely inconvenient during maintenance.

Contents of the invention

The invention provides a protective cover for circuit boards, which solves the problems of poor dustproof effect and inconvenient assembly and disassembly of conventional circuit board protection structures.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: the protective cover for the circuit board includes a square cover and a cover plate, the square cover is composed of a bottom plate and three side plates, the lower ends of the three side plates Both are provided with clamping parts, and the inner sides of the clamping parts are all provided with card slots. The opening end of the square cover is provided with a positioning card slot on the bottom plate, and the cover plate and the positioning card slot are matched and clamped on the square cover. open end.

Further, the cover plate is provided with a positioning block that cooperates with the positioning slot, the lower end of the cover plate is provided with a cover plate engagement portion, and the cover plate engagement portion is provided with a cover plate engagement slot.

Further, the outer end surface of the bottom plate is provided with a plurality of evenly distributed cooling fins.

Further, the outer sides of the three side plates are provided with reinforcing ribs, and the lower ends of the reinforcing ribs are connected to the clamping parts.

Further, the reinforcing ribs are made of PA66 or PPS plastic.

Further, the square cover body and the cover plate are both made of insulating and heat-conducting plastic material.

Further, the square cover body and the cover plate are both made of plastic material of PA66 or PPS.

Compared with the prior art, the beneficial effect of the present invention is that the protective cover of the circuit board designed by the present invention not only has a simple structure, but also has good dustproof effect, convenient loading and unloading, good thermal conductivity and strong practicability.

Description of drawings

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic structural view of the cover plate of the present invention.

Fig. 3 is an assembly diagram of the present invention and a circuit board.

The labels in the figure are respectively represented as: 1. Cover plate; 2. Clamping part; 3. Card slot; 4. Positioning slot; 5. Bottom plate; 6. Heat sink; 7. Side plate; 9. The opening end; 10. The clamping part of the cover plate; 11. The slot of the cover plate; 12. The positioning block; 13. The circuit board; 14. The mounting hole.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

Example 1

The protective cover for the circuit board as shown in Figure 1-Fig. The clamping part 2 is provided, and the inside of the clamping part 2 is provided with a card slot 3, and the opening end 9 of the square cover is provided with a positioning card slot 4 on the bottom plate 5, and the cover plate 1 cooperates with the positioning card slot 4 Clamp on the open end 9 of the square cover.

In this embodiment, by setting the card slots 3 on the three side plates 7, the circuit board 13 can cooperate with the card slots 3 to slide into the square cover body, and the circuit board 13 enters the square cover body and its three sides are all stuck in the card slots 3. And the cover plate 1 is set at the opening end 9 to completely seal the circuit board 13 in the square cover body, and the mounting holes 14 at the four corners of the circuit board 13 will not be enclosed in the square cover body, thereby playing a good dustproof And the effect of protecting the internal circuit board 13, and it is very convenient to install and disassemble the subsequent maintenance and replacement of the circuit board 13, very practical, safe and protective.

Example 2

In this embodiment, the cover plate is optimized on the basis of Example 1, specifically: the cover plate 1 is provided with a positioning block 12 that cooperates with the positioning slot 4, and the lower end of the cover plate 1 is provided with a cover plate clamping part 10. The cover locking part 10 is provided with a cover locking slot 11 .

In this embodiment, the positioning block 12 is used to cooperate with the positioning slot 4 to connect the cover plate 1 and the square cover body, and the lower end of the cover plate 1 is provided with a cover plate clamping portion 10, and the cover plate clamping portion 10 is provided with a cover plate clamping groove 11, the cover plate 1 can also be clamped with the circuit board 13 through the cover plate slot 11, and the assembly is firm and stable.

Example 3

In this embodiment, heat sinks are added on the basis of embodiment 1 or embodiment 2, and its specific structure is: the outer end surface of the bottom plate 5 is provided with a plurality of heat sinks 6 evenly distributed.

In this embodiment, in order to enhance the heat dissipation effect of the circuit board 13 , a heat sink 6 is added outside the bottom plate 5 to increase the heat dissipation effect of the square cover and reduce the internal temperature of the circuit board 13 .

Example 4

In this embodiment, the following structure is added on the basis of any of the above-mentioned embodiments, specifically: the outer sides of the three side plates 7 are provided with reinforcing ribs 8 , and the lower ends of the reinforcing ribs 8 are connected to the clamping portion 2 .

In this embodiment, the reinforcing ribs 8 are used to strengthen the connection between the side plate 7 and the clamping portion 2, so as to ensure the stability of the two structures and prolong the service life of the two.

Example 5

In this embodiment, on the basis of Embodiment 4, the reinforcement ribs are further optimized, specifically: the material of the reinforcement ribs 8 is PA66 or PPS plastic.

The reinforcing ribs 8 of this embodiment can reduce cost and overall weight by using PA66 or PPS plastics, and PA66 or PPS not only has corrosion resistance, insulation, heat conduction, but also has a long service life, and the reinforcing ribs 8 can be made of PA66 or PPS plastics Increase the heat dissipation effect of the square cover, and have good insulation and long service life.

Example 6

This embodiment is optimized as follows on the basis of any of the above-mentioned embodiments: the square cover body and the cover plate 1 are both made of insulating and heat-conducting plastic materials.

In this embodiment, the square cover body and cover plate 1 are made of insulating and thermally conductive plastic material, which can have insulation and thermal conductivity, can further enhance the heat dissipation effect on the circuit board 13, and can also protect the circuit board 13 and the staff, and The square cover body and cover plate 1 are light in weight, long in service life and strong in practicability.

Example 7

This embodiment is further optimized on the basis of Embodiment 6, specifically: the square cover body and the cover plate 1 are both made of plastic materials made of PA66 or PPS.

The square cover and cover plate 1 in this embodiment are made of PA66 or PPS plastic material, which has the characteristics of corrosion resistance, insulation and heat conduction of PA66 or PPS plastics, so that the square cover body and cover plate 1 can play a role. It has good thermal conductivity and insulation effect, good protection, good corrosion resistance and long service life.

Example 8

Embodiment 8 is the optimal embodiment of the present invention

The protective cover for the circuit board includes a square cover body and a cover plate 1. The square cover body is composed of a bottom plate 5 and three side plates 7. The lower ends of the three side plates 7 are all provided with a clamping part 2, which is clamped The inner side of the part 2 is provided with a slot 3, the opening end 9 of the square cover is provided with a positioning slot 4 on the bottom plate 5, and the cover plate 1 and the positioning slot 4 are fastened on the opening end of the square cover. 9. The cover plate 1 is provided with a positioning block 12 that cooperates with the positioning slot 4, and the lower end of the cover plate 1 is provided with a cover plate clamping part 10, and the cover plate clamping part 10 is provided with a cover plate clamping slot 11 The outer end surface of the bottom plate 5 is provided with a plurality of evenly distributed heat sinks 6; the outer sides of the three side plates 7 are provided with reinforcing ribs 8, and the lower ends of the reinforcing ribs 8 are connected to the clamping part 2; the reinforcing ribs The plate 8 is made of PA66 or PPS plastic; the square cover and cover 1 are made of insulating and heat-conducting plastic; the square cover and cover 1 are both made of PA66 or PPS plastic.

This embodiment uses PA66 or PPS plastics to make the square cover body and cover plate 1, which not only has good insulation, heat conduction and anti-corrosion effects, but also has low cost and long service life; Good heat dissipation effect avoids the heat dissipation problem caused by adding a square cover body and cover plate 1, and at the same time has good insulation and high safety; the reinforcing rib plate 8 can not only strengthen the connection between the clamping part 2 and the side plate 7, And it can also play a good heat dissipation effect; the square cover body and the cover plate 1 are connected with the circuit board 13 in a clamping manner, which is not only convenient for loading and unloading, but also has a good dustproof effect, and will not affect the mounting holes 13 on the circuit board 13. The location, the structure is reasonable.

The foregoing is an embodiment of the present invention. The present invention is not limited to the above embodiments, and anyone should know that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same as or similar to the present invention, all fall within the protection scope of the present invention.

Claims (5)

1. A protective cover for a circuit board, characterized in that it includes a square cover and a cover (1), the square cover is composed of a bottom plate (5) and three side plates (7), and the three side plates (7) The lower ends are provided with clamping parts (2), and the inner sides of the clamping parts (2) are provided with clamping slots (3). The opening end (9) of the square cover is provided with a positioning The card slot (4), the cover plate (1) and the positioning card slot (4) are clamped on the opening end (9) of the square cover body; the cover plate (1) is provided with the positioning card slot (4) ) with a positioning block (12), the lower end of the cover plate (1) is provided with a cover plate clamping portion (10), and the cover plate clamping portion (10) is provided with a cover plate clamping groove (11); the bottom plate (5) The outer end surface is provided with a plurality of evenly distributed cooling fins (6). 2. The protective cover for circuit boards according to claim 1, characterized in that: the outer sides of the three side plates (7) are all provided with reinforcing ribs (8). 3. The protective cover for circuit boards according to claim 2, characterized in that: the reinforcing ribs (8) are made of PA66 or PPS plastic. 4. The protective cover for a circuit board according to any one of claims 1-3, characterized in that: the square cover body and the cover plate (1) are both made of insulating and heat-conducting plastic materials. 5. The protective cover for circuit board according to claim 4, characterized in that: the square cover body and the cover plate (1) are both made of plastic material made of PA66 or PPS.