CN215222592U

CN215222592U - Printed circuit board with dustproof structure

Info

Publication number: CN215222592U
Application number: CN202121523707.2U
Authority: CN
Inventors: 张玉广
Original assignee: Shenzhen Yilushi Technology Co ltd
Current assignee: Shenzhen Yilushi Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-17
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a printed circuit board with dustproof construction, which comprises a substrate, be equipped with first potentiometre on the wall body of base plate top one side front end, be equipped with the battery on the wall body of base plate top rear end one side, the base plate top is equipped with the second potentiometre on the wall body that is located the battery right side, the base plate top still is equipped with electric capacity on being located the left wall body of battery, be equipped with resistance on the wall body of base plate top opposite side, be equipped with the contact piece in base plate one side top and the bottom wall body respectively, the base plate outside still is equipped with dustproof mechanism. A printed circuit board with dustproof construction, relate to circuit board technical field, through dismantled and assembled dustproof mechanism's setting, can protect it when the circuit board uses, prevent that the dust from directly piling up and covering on circuit board and electronic components, and then prevent contact failure and reduce the radiating effect, simultaneously, through the setting of wiping arm, be convenient for clear up the dust screen.

Description

Printed circuit board with dustproof structure

Technical Field

The utility model relates to a circuit board technical field, in particular to printed circuit board with dustproof construction.

Background

A PCB, i.e., a printed wiring board, which is called a printed board for short, is one of important parts in the electronic industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronic equipment and military weapon systems, as long as there are electronic components such as integrated circuits, etc., in order to make the electrical interconnection between each component, a printed circuit board is used, which consists of an insulating bottom plate, a connecting wire and a pad for assembling and welding the electronic component, and has the double functions of the conducting wire and the insulating bottom plate, it can replace the complex wiring, and realize the electrical connection between each component in the circuit, not only simplifying the assembling and welding work of the electronic product, reducing the wiring workload in the traditional mode, greatly reducing the labor intensity of workers, but also reducing the volume of the whole machine, reducing the product cost, improving the quality and reliability of the electronic equipment, the printed circuit board has good product consistency, it can adopt the standardized design, and is beneficial to realize mechanization and automation in the production process, meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the complete machine product is convenient to exchange and maintain, at present, the printed circuit board is widely applied to the production and the manufacturing of electronic products, but most of the circuit boards are directly installed on equipment when being installed, due to the problems of use environment, heat dissipation and the like, the circuit boards are directly exposed in the equipment, after long-term use, one layer of dust can be accumulated on the circuit boards, the heat dissipation effect of electronic components on the circuit boards is reduced, and the normal operation of the circuit boards is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed circuit board with dustproof construction can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a printed circuit board with dustproof construction, includes the base plate, be equipped with first potentiometre on the wall body of base plate top one side front end, be equipped with the battery on the wall body of base plate top rear end, the base plate top is equipped with the second potentiometre on the wall body that is located the battery right side, the base plate top still is equipped with electric capacity on being located the left wall body of battery, be equipped with resistance on the wall body of base plate top opposite side, be equipped with the contact piece in base plate one side top and the bottom wall body respectively, the base plate outside still is equipped with dustproof mechanism, dustproof mechanism includes first side frame, head rod, second side frame and second connecting rod.

Preferably, the dustproof mechanism is further provided with positioning grooves in side wall bodies of the top and the bottom of the substrate respectively.

Preferably, two the first connecting rod both sides wall body is respectively through welded mode fixed mounting on the first side frame lateral wall body that corresponds, two the second connecting rod both sides wall body is respectively through welded mode fixed mounting on the second side frame lateral wall body that corresponds.

Preferably, two dust screens are fixedly mounted between the first side frames and the two first connecting rod wall bodies and between the two second side frames and the two second connecting rod wall bodies respectively.

Preferably, two slots have been seted up respectively in the first side frame both sides top wall body, two draw-in grooves have been seted up to the symmetry in the slot in the lateral wall body, two be equipped with the inserted block on the wall body of second side frame both sides bottom respectively, the inserted block is injection moulding as an organic whole with second side frame, it is equipped with two fixture blocks still to symmetry on the wall body of inserted block one side, and two the fixture block is injection moulding as an organic whole with the inserted block, the inserted block still alternates to be installed in the internal draw-in groove of the first side frame lateral wall that corresponds, two the first connecting rod and two the spout has respectively been seted up in the relative lateral wall body of second connecting rod, two be equipped with the wiping pole between the spout.

Preferably, the wall bodies on two sides of the wiping rod are respectively slidably mounted in the corresponding sliding grooves, a wiping strip is further arranged on the wall body at the top of the wiping rod, and the wiping strip is mounted on the wall body at the top of the wiping rod through glue.

Compared with the prior art, the utility model discloses following beneficial effect has:

a printed circuit board with dustproof construction, through dismantled and assembled dustproof mechanism's setting, can protect it when the circuit board uses, prevent that the dust from directly piling up the cover on circuit board and electronic components, and then prevent contact failure and reduce the radiating effect, simultaneously, through the setting of wiper arm, be convenient for clear up the dust screen.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is an enlarged view at C in fig. 1.

In the figure: 1. a substrate; 2. a first potentiometer; 3. a battery; 4. a second potentiometer; 5. a capacitor; 6. a resistance; 7. a contact block; 8. a dust-proof mechanism; 9. a first side frame; 10. a first connecting rod; 11. a second side frame; 12. a second connecting rod; 13. positioning a groove; 14. a dust screen; 15. a chute; 16. a wiping lever; 17. a slot; 18. a card slot; 19. inserting a block; 20. a clamping block; 21. and (4) wiping the strip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a pair of printed circuit board with dustproof construction, including base plate 1, be equipped with first potentiometre 2 on the wall body of base plate 1 top one side front end, be equipped with battery 3 on the wall body of base plate 1 top rear end one side, be equipped with second potentiometre 4 on the wall body that is located battery 3 right side at base plate 1 top, base plate 1 top still is equipped with electric capacity 5 on being located the left wall body of battery 3, be equipped with resistance 6 on the wall body of base plate 1 top opposite side, be equipped with contact piece 7 in base plate 1 one side top and the bottom wall body respectively, the base plate 1 outside still is equipped with dustproof mechanism 8, dustproof mechanism 8 includes first side frame 9, head rod 10, second side frame 11 and second connecting rod 12.

The dust-proof mechanism 8 further has positioning slots 13 respectively formed in the top and bottom sidewall bodies of the substrate 1.

Two side wall bodies of the two first connecting rods 10 are respectively and fixedly installed on a corresponding side wall body of the first side frame 9 in a welding mode, and two side wall bodies of the two second connecting rods 12 are respectively and fixedly installed on a corresponding side wall body of the second side frame 11 in a welding mode.

Dust screens 14 are respectively and fixedly installed between the two first side frames 9 and the two wall bodies of the first connecting rod 10 and between the two second side frames 11 and the two wall bodies of the second connecting rod 12.

Slots 17 are respectively formed in wall bodies above two sides of two first side frames 9, two clamping grooves 18 are symmetrically formed in a side wall body in each slot 17, inserting blocks 19 are respectively arranged on wall bodies at the bottoms of two sides of two second side frames 11, the inserting blocks 19 and the second side frames 11 are integrally injection-molded, two clamping blocks 20 are symmetrically arranged on a side wall body of each inserting block 19, the two clamping blocks 20 and the inserting blocks 19 are integrally injection-molded, the inserting blocks 19 are further inserted and installed in the corresponding clamping grooves 18 in the side wall bodies of the first side frames 9, sliding grooves 15 are respectively formed in two opposite side wall bodies of the first connecting rods 10 and the two second connecting rods 12, wiping rods 16 are arranged between the two sliding grooves 15, and the first side frames 9 and the second side frames 11 can be fixed together through the inserting blocks 19 at the bottoms of the first side frames 9 and the slots 17 above the second side frames 11.

The wall bodies on two sides of the wiping rod 16 are respectively slidably mounted in the corresponding sliding grooves 15, the top wall body of the wiping rod 16 is further provided with a wiping strip 21, the wiping strip 21 is adhered and mounted on the top wall body of the wiping rod 16 through glue, and the dust screen 14 can be wiped through the wiping strip 21 on the top wall body of the wiping rod 16.

It should be noted that, when the printed circuit board with dustproof structure is used, when the substrate 1 needs to be processed for dustproof, the positioning strip at the bottom of the first side frame 9 and the positioning strip at the top of the second side frame 11 are only required to be respectively embedded into the corresponding positioning slots 13 on the substrate 1, then the second side frame 11 is inserted into the corresponding slot 17 in the side wall of the first side frame 9 through the insertion blocks 19 on the bottom wall bodies at both sides and is clamped into the slot 18 at one side in the slot 17 through the two clamping blocks 20 on one side wall body of the insertion block 19, so as to fixedly connect the first side frame 9 and the second side frame 11 together, and further to prevent dust on the substrate 1 through the dust screen 14 between the two first side frames 9 and the two first side frames 11, in addition, when the dust screen 14 needs to be cleaned, only the first side frame 9 and the second side frame 11 need to be detached, and the wiping rod 16 is slid in the two sliding grooves 15, and the dust screen 14 is wiped by the wiping strip 21 on the top wall of the wiping rod 16.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a printed circuit board with dustproof construction which characterized in that: including base plate (1), be equipped with first potentiometre (2) on the wall body of base plate (1) top one side front end, be equipped with battery (3) on base plate (1) top rear end lateral wall body, base plate (1) top is equipped with second potentiometre (4) on the wall body that is located battery (3) right side, base plate (1) top still is equipped with electric capacity (5) on being located the left wall body of battery (3), be equipped with resistance (6) on base plate (1) top opposite side wall body, be equipped with contact piece (7) in base plate (1) one side top and the bottom wall body respectively, base plate (1) outside still is equipped with dustproof mechanism (8), dustproof mechanism (8) include first side frame (9), head rod (10), second side frame (11) and second connecting rod (12).

2. The printed circuit board with a dustproof structure according to claim 1, wherein: and the dustproof mechanism (8) is also provided with positioning grooves (13) in the side wall bodies at the top and the bottom of the substrate (1) respectively.

3. The printed circuit board with a dustproof structure according to claim 2, wherein: two the first connecting rod (10) both sides wall body is respectively through the mode fixed mounting of welded on the first side frame (9) a lateral wall body that corresponds, two the second connecting rod (12) both sides wall body is respectively through the mode fixed mounting of welded on the second side frame (11) a lateral wall body that corresponds.

4. A printed circuit board having a dust-proof structure according to claim 3, wherein: two dust screens (14) are respectively and fixedly installed between the first side frames (9) and the wall bodies of the two first connecting rods (10) and between the two second side frames (11) and the wall bodies of the two second connecting rods (12).

5. The printed circuit board with a dustproof structure according to claim 4, wherein: slots (17) are respectively arranged in the upper wall bodies at the two sides of the two first side frames (9), two clamping grooves (18) are symmetrically arranged in one side wall body in the slot (17), inserting blocks (19) are respectively arranged on the bottom wall bodies at two sides of the two second side frames (11), the insert block (19) and the second side frame (11) are integrally formed by injection molding, two clamping blocks (20) are symmetrically arranged on one side wall body of the insert block (19), the two clamping blocks (20) and the inserting block (19) are integrally formed by injection molding, the inserting block (19) is also inserted and arranged in a clamping groove (18) in the side wall body of the corresponding first side frame (9), sliding grooves (15) are formed in the wall bodies of the two first connecting rods (10) and the two second connecting rods (12) on the opposite sides respectively, and a wiping rod (16) is arranged between the two sliding grooves (15).

6. The printed circuit board with a dustproof structure according to claim 5, wherein: wall bodies on two sides of the wiping rod (16) are respectively slidably mounted in corresponding sliding grooves (15), a wiping strip (21) is further arranged on the wall body on the top of the wiping rod (16), and the wiping strip (21) is mounted on the wall body on the top of the wiping rod (16) in a sticking mode through glue.