CN216291567U

CN216291567U - Intelligent household electrical appliances that barrier propterty is high use double-deck circuit board

Info

Publication number: CN216291567U
Application number: CN202122469873.5U
Authority: CN
Inventors: 黄家福; 饶耿炎; 刘远波; 刘苑彬; 余军红
Original assignee: Meizhou Yaochao Electronics Co ltd
Current assignee: Meizhou Yaochao Electronics Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-12
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of double-layer circuit boards, in particular to an intelligent double-layer circuit board with high protection performance for household appliances, which comprises a protective shell and a circuit board body, wherein two mounting plates are fixedly connected to the outer walls of two ends of the protective shell, a limiting groove is formed in the inner wall of one end of the protective shell, a second limiting plate is inserted into the inner wall of the limiting groove, a drying net frame is fixedly connected to one end of the second limiting plate, a drying agent is filled in the drying net frame, a fixing plate is fixedly connected to the outer wall of one end of the drying net frame, a fixing opening matched with the fixing plate is formed in the outer wall of one end of the protective shell, the fixing plate is inserted into the fixing opening, clamping grooves are formed in two sides of the inner wall of the top of the fixing opening, movable grooves are formed in two sides of the top of the fixing plate, and a plurality of extrusion springs are fixedly connected to the inner wall of the bottom of the movable grooves. The utility model has good waterproof effect.

Description

Intelligent household electrical appliances that barrier propterty is high use double-deck circuit board

Technical Field

The utility model relates to the technical field of double-layer circuit boards, in particular to an intelligent double-layer circuit board for household appliances, which has high protection performance.

Background

Double-layer circuit boards, which are double-sided copper and metallized via, i.e., with copper on both sides and also within the via, are particularly important for both sides of the circuit board because, at the earliest, it was most difficult to have copper in the via (how to have copper on the wall of the via without copper), which is the most important basis for distinguishing between double-sided and single-sided boards. Double layer circuit boards have wiring on both sides of the board, but use wires on both sides, necessitating appropriate circuit connections between the two sides. Such "bridges" between circuits are called vias.

When intelligent household electrical appliances were used, need install double-deck circuit board, at present, current double-deck circuit board for intelligent household electrical appliances, its direct mount is usually in household electrical appliances, when the outside air is comparatively moist, causes inside double-deck circuit board easily to wet and damage, consequently, need to design the double-deck circuit board for intelligent household electrical appliances that barrier propterty is high and solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-layer circuit board with high protection performance for intelligent household appliances, so as to solve the problems in the background technology.

The technical scheme of the utility model is as follows: an intelligent double-layer circuit board with high protection performance for household appliances comprises a protective shell and a circuit board body, wherein the outer walls of two ends of the protective shell are fixedly connected with two mounting plates, the inner wall of one end of the protective shell is provided with a limiting groove, and the inner wall of the limiting groove is inserted with a second limiting plate, one end of the second limiting plate is fixedly connected with a drying screen frame, the drying agent is filled in the drying screen frame, the outer wall of one end of the drying screen frame is fixedly connected with a fixing plate, the outer wall of one end of the protective shell is provided with a fixing port matched with the fixing plate, the fixing plate is inserted into the fixing port, the two sides of the inner wall of the top of the fixed opening are both provided with clamping grooves, the two sides of the top of the fixed plate are both provided with movable grooves, and the inner wall of the bottom of the movable groove is fixedly connected with a plurality of extrusion springs, and the top of each extrusion spring is fixedly connected with the same clamping block matched with the clamping groove.

Preferably, one end of the fixing plate is fixedly connected with a first limiting plate.

Preferably, the top of the clamping groove is provided with a through hole, and the inner wall of the through hole is inserted with a movable rod.

Preferably, the top of the movable rod is fixedly connected with a pulling plate, and the bottom of the movable rod is fixedly connected with an extrusion plate.

Preferably, the cross section of the fixture block is triangular.

Preferably, the inner walls of the two sides of the protective shell are fixedly connected with supporting plates, the top of each supporting plate is provided with a limiting hole, and the two sides of the bottom of the circuit board body are fixedly connected with mounting rods matched with the limiting holes.

Preferably, the outer wall of the two sides of the installation rod is provided with a telescopic groove, the two telescopic grooves are close to one another and are fixedly connected with a plurality of extension springs, and one end of each extension spring located on the same side is fixedly connected with a same limiting block.

Preferably, the section of the limiting block is triangular.

The utility model provides an intelligent double-layer circuit board for household appliances with high protection performance by improvement, and compared with the prior art, the intelligent double-layer circuit board has the following improvements and advantages:

one is as follows: according to the utility model, through the arrangement of the drying screen frame, the drying agent, the second limiting plate, the limiting groove, the movable groove, the clamping block and the clamping groove, when the circuit board body is installed, the circuit board body is firstly installed in the protective shell, then the protective shell is installed in the intelligent household appliance through the installation plate, then the second limiting plate of the drying screen frame is inserted into the limiting groove, at the moment, the movable groove corresponds to the clamping groove, the clamping block is pushed into the clamping groove under the elastic force action of the extrusion spring to fix the drying screen frame, and the drying agent in the drying screen frame is used for absorbing moisture in the air, so that a good waterproof effect is achieved, and the damage of the double-layer circuit board caused by the moisture in the air is avoided;

the second step is as follows: according to the utility model, through the arrangement of the through hole, the movable rod and the extrusion plate, after the drying screen frame is used for a period of time, the drying screen frame needs to be replaced, at the moment, the movable rod is pressed, the extrusion plate is driven by the movable rod to extrude the fixture block, so that the fixture block is contracted into the movable groove, and the drying screen frame can be taken out, thereby achieving the purpose of conveniently replacing the drying screen frame;

and thirdly: according to the utility model, through the arrangement of the supporting plate, the limiting hole, the mounting rod, the telescopic groove and the limiting block, when the circuit board body is mounted, the mounting rod at the bottom of the circuit board body is inserted into the limiting hole of the supporting plate, when the limiting block passes through the limiting hole, the limiting block is pushed to move outwards under the action of the elastic force of the extension spring, so that the mounting rod is limited, the mounting of the circuit board body is completed, and when the circuit board body is dismounted, the limiting block is pressed, so that the purpose of facilitating the mounting and dismounting of the circuit board body is achieved.

Drawings

The utility model is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of the present invention as a whole;

FIG. 2 is a schematic perspective view of the circuit board and the limiting groove according to the present invention;

FIG. 3 is a schematic front cross-sectional view of a highlighted desiccant and drying frame of the present invention;

FIG. 4 is an enlarged schematic view of the utility model at A in FIG. 3;

fig. 5 is an enlarged view of the structure of fig. 3 at B according to the present invention.

Description of reference numerals:

1. a protective shell; 2. drying the screen frame; 3. a first limit plate; 4. mounting a plate; 5. a second limiting plate; 6. a limiting groove; 7. a circuit board body; 8. a fixing plate; 9. a desiccant; 10. a movable groove; 11. a card slot; 12. a pressing plate; 13. a through hole; 14. pulling the movable plate; 15. a movable rod; 16. a clamping block; 17. a compression spring; 18. a limiting hole; 20. an extension spring; 21. mounting a rod; 22. a telescopic groove; 23. a limiting block; 24. and a support plate.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a double-layer circuit board for intelligent household appliances with high protection performance by improvement, and the technical scheme of the utility model is as follows:

as shown in figures 1-5, an intelligent double-layer circuit board for household appliances with high protection performance comprises a protective shell 1 and a circuit board body 7, wherein the outer walls of two ends of the protective shell 1 are connected with two mounting plates 4 through bolts, the inner wall of one end of the protective shell 1 is provided with a limiting groove 6, the inner wall of the limiting groove 6 is inserted with a second limiting plate 5, one end of the second limiting plate 5 is connected with a drying net frame 2 through bolts, a drying agent 9 is filled in the drying net frame 2, the outer wall of one end of the drying net frame 2 is connected with a fixing plate 8 through bolts, the outer wall of one end of the protective shell 1 is provided with a fixing port matched with the fixing plate 8, the fixing plate 8 is inserted in the fixing port, the two sides of the inner wall of the top of the fixing port are provided with clamping grooves 11, the two sides of the top of the fixing plate 8 are provided with movable grooves 10, and the inner wall of the bottom of the movable grooves 10 is connected with a plurality of extrusion springs 17 through bolts, the tops of the plurality of extrusion springs 17 are connected with a same clamping block 16 matched with the clamping groove 11 through bolts.

Further, one end of the fixing plate 8 is connected with the first limiting plate 3 through a bolt.

Borrow by above-mentioned structure, through first limiting plate 3, be convenient for spur dry screen frame 2.

Furthermore, the top of the clamping groove 11 is provided with a through hole 13, and the inner wall of the through hole 13 is inserted with a movable rod 15.

By the above structure, the movable rod 15 is convenient to extrude the fixture block 16 into the movable groove 10.

Further, the top of the movable rod 15 is connected with a pulling plate 14 through a bolt, and the bottom of the movable rod 15 is connected with a squeezing plate 12 through a bolt.

With the above structure, the pull plate 14 prevents the movable rod 15 from falling into the through hole 13, and the pressing plate 12 prevents the movable rod 15 from coming off the through hole 13.

Further, the cross section of the latch 16 is triangular.

By means of the structure, the fixture blocks 16 with triangular sections are convenient to shrink into the movable grooves 10 when the drying screen frame 2 is installed.

Furthermore, the inner walls of the two sides of the protective shell 1 are connected with supporting plates 24 through bolts, the top of each supporting plate 24 is provided with a limiting hole 18, and the two sides of the bottom of the circuit board body 7 are connected with mounting rods 21 matched with the limiting holes 18 through bolts.

By means of the structure, the mounting rod 21 and the limiting hole 18 are convenient for preliminary positioning of the mounting of the circuit board body 7.

Furthermore, the outer walls of the two sides of the installation rod 21 are provided with telescopic grooves 22, the surfaces, close to each other, of the two telescopic grooves 22 are connected with a plurality of extension springs 20 through bolts, and one ends, located on the same side, of the extension springs 20 are connected with the same limiting block 23 through bolts.

By means of the structure, the installation rod 21 is convenient to install and detach through the limiting block 23 and the extension spring 20.

Further, the section of the limiting block 23 is triangular.

By means of the structure, the limiting block 23 with the triangular section is convenient to shrink into the telescopic groove 22 when the mounting rod 21 is mounted.

The working principle is as follows: when installing the circuit board body 7, install circuit board body 7 in protecting crust 1 earlier, install protecting crust 1 in intelligent household electrical appliances through mounting panel 4 afterwards, then insert limiting groove 6 with the second limiting plate 5 of dry net frame 2, this moment, movable groove 10 is corresponding with draw-in groove 11, under extrusion spring 17's elasticity effect, promote in fixture block 16 gets into draw-in groove 11, fix dry net frame 2, absorb the moisture in the air through drier 9 in the dry net frame 2, thereby reach good water-proof effects, avoid moisture in the air to cause double-deck circuit board to damage.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an intelligence double-deck circuit board for household electrical appliances that barrier propterty is high, includes protecting crust (1) and circuit board body (7), its characterized in that: the outer walls of two ends of the protective shell (1) are fixedly connected with two mounting plates (4), the inner wall of one end of the protective shell (1) is provided with a limiting groove (6), the inner wall of the limiting groove (6) is inserted with a second limiting plate (5), one end of the second limiting plate (5) is fixedly connected with a drying screen frame (2), a drying agent (9) is filled in the drying screen frame (2), the outer wall of one end of the drying screen frame (2) is fixedly connected with a fixing plate (8), the outer wall of one end of the protective shell (1) is provided with a fixing port matched with the fixing plate (8), the fixing plate (8) is inserted into the fixing port, two sides of the inner wall of the top of the fixing port are provided with clamping grooves (11), two sides of the top of the fixing plate (8) are provided with movable grooves (10), and the inner wall of the bottom of the movable grooves (10) is fixedly connected with a plurality of extrusion springs (17), the tops of the plurality of extrusion springs (17) are fixedly connected with the same clamping block (16) matched with the clamping groove (11).

2. The intelligent double-layer circuit board with high protection performance for the household appliances, according to claim 1, is characterized in that: one end of the fixing plate (8) is fixedly connected with a first limiting plate (3).

3. The intelligent double-layer circuit board with high protection performance for the household appliances, according to claim 1, is characterized in that: the top of the clamping groove (11) is provided with a through hole (13), and the inner wall of the through hole (13) is inserted with a movable rod (15).

4. The intelligent double-layer circuit board with high protection performance for the household appliances, according to claim 3, is characterized in that: the top of the movable rod (15) is fixedly connected with a pulling plate (14), and the bottom of the movable rod (15) is fixedly connected with an extrusion plate (12).

5. The intelligent double-layer circuit board with high protection performance for the household appliances, according to claim 1, is characterized in that: the section of the fixture block (16) is triangular.

6. The intelligent double-layer circuit board with high protection performance for the household appliances, according to claim 1, is characterized in that: the protection casing (1) is characterized in that supporting plates (24) are fixedly connected to the inner walls of the two sides of the protection casing (1), limiting holes (18) are formed in the tops of the supporting plates (24), and mounting rods (21) matched with the limiting holes (18) are fixedly connected to the two sides of the bottom of the circuit board body (7).

7. The intelligent double-layer circuit board with high protection performance for the household appliances of claim 6, is characterized in that: the outer wall of the two sides of the installation rod (21) is provided with a telescopic groove (22), one surface of the two telescopic grooves (22) close to each other is fixedly connected with a plurality of extension springs (20), and one end of each extension spring (20) located on the same side is fixedly connected with a same limiting block (23).

8. The intelligent double-layer circuit board with high protection performance for the household appliances of claim 7, is characterized in that: the section of the limiting block (23) is triangular.