CN217883948U - Flexible circuit board with strong anti-interference capability - Google Patents
Flexible circuit board with strong anti-interference capability Download PDFInfo
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- CN217883948U CN217883948U CN202221474828.7U CN202221474828U CN217883948U CN 217883948 U CN217883948 U CN 217883948U CN 202221474828 U CN202221474828 U CN 202221474828U CN 217883948 U CN217883948 U CN 217883948U
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Abstract
The utility model discloses a flexible circuit board that interference killing feature is strong belongs to the flexible circuit board field, including first U type metal mesh enclosure to and the metal circuit layer, the upper and lower both ends on metal circuit layer all are connected with insulating film layer through bonding glue. The beneficial effects of the utility model are that prevent the static layer through the design, can improve the antistatic ability of device, avoid static to cause the damage to components and parts, guarantee its security, through the installation radiation protection layer, can reduce circuit board inner line and receive external electromagnetic interference's probability, the gag lever post contacts with the rubber ring all around, can increase the toughness between gag lever post and the spacing groove, can make the circuit board have certain antidetonation function, through installing the metal mesh enclosure, can further improve the interference killing feature of device, through installing the gag lever post, first bolt, spacing thread groove and spacing groove, convenient to detach circuit board, maintain it.
Description
Technical Field
The utility model relates to a flexible circuit board field specifically says a flexible circuit board that interference killing feature is strong.
Background
The flexible printed circuit board (FPC for short) is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent flexibility, and has the characteristics of high wiring density, light weight, thin thickness and good bending property.
The prior device has the following problems:
(1) In the using process of the flexible circuit board, the flexible circuit board is often interfered by the outside (a strong electromagnetic area or an easily interfered area), so that the stability of the flexible circuit board in the using process is not strong, and the antistatic effect of the device is poor.
(2) The flexible circuit board needs to be maintained in the using process, but the existing circuit board adopts a fixed or welded connection mode, so that the circuit board is inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible circuit board that interference killing feature is strong, in order to solve the in-process that proposes flexible circuit board in the above-mentioned background art and using, can receive the interference of external world (strong electromagnetic region or easily disturbed area) often, make the stability in the flexible circuit board use not strong, the device is prevented that the static effect is also relatively poor and the in-process that flexible circuit board used needs to be maintained, nevertheless current circuit board adopts fixed or welded connected mode, and then the problem that leads to the circuit board not convenient to maintain.
The technical scheme of the utility model is that: including first U type metal mesh enclosure to and the circuit board body, the circuit board body is including the metal circuit layer, the upper and lower both ends on metal circuit layer all are connected with insulating film layer through bonding glue, insulating film layer is polyimide material component, two the one end that insulating film layer kept away from mutually is installed and is prevented the static layer, two prevent that the static layer is polyvinyl chloride material component, fixedly connected with mouth style of calligraphy connecting block all around the upper end of first U type metal mesh enclosure, the fixed slot of mouth style of calligraphy has been seted up respectively to the upper end of mouth style of calligraphy connecting block, the upper end of first U type metal mesh enclosure is provided with second U type metal mesh enclosure, fixedly connected with mouth style of calligraphy fixed plate all around the lower extreme of second U type metal mesh enclosure, mouth style of calligraphy fixed plate with the fixed slot of mouth style of calligraphy is pegged graft, first sealed piece is installed to the bottom of mouth style of calligraphy fixed slot, the lower extreme round fixedly connected with second sealed piece of mouth style of calligraphy fixed plate, first sealed piece with the second sealed piece contacts.
Further, draw-in grooves have been seted up respectively all around of mouthful style of calligraphy fixed plate, install spring bolt, four respectively all around of mouthful style of calligraphy connecting block spring bolt passes respectively and four all around of mouthful style of calligraphy connecting block draw-in groove joint passes all around of mouthful style of calligraphy connecting block and draw-in groove joint through spring bolt, makes mouthful style of calligraphy fixed plate and mouthful style of calligraphy fixed slot peg graft more stably, makes first U type metal mesh enclosure and second U type metal mesh enclosure more stable to the shade of circuit board body.
Further, the radiation protection layer is respectively installed inside one side, close to each other, of the first U-shaped metal mesh cover and the second U-shaped metal mesh cover, the radiation protection layer is provided with a plurality of radiating holes, the probability that a circuit in the circuit board is interfered by external electromagnetic waves can be reduced through the radiation protection layer, the radiating holes are formed in the radiation protection layer, and the circuit board body can radiate heat conveniently.
Furthermore, the bracing piece is installed respectively to the upper end both sides of first U type metal mesh enclosure, two the spacing groove has been seted up respectively to the upper end of bracing piece, two the rubber ring is installed to the inside round of spacing groove, and the spacing groove is used for connecting the circuit board body.
Furthermore, the both ends of circuit board body fixedly connected with installation pipe respectively, two the gag lever post has been cup jointed respectively to one side that the installation pipe was kept away from mutually, two the gag lever post passes two respectively the spacing groove, and all around with two the rubber ring contact, the gag lever post contacts with the rubber ring all around, can increase the toughness between gag lever post and the spacing groove, can make the circuit board body have certain antidetonation function.
Furthermore, two a plurality of spacing thread grooves have been seted up respectively to the upper end of gag lever post, two the installation pipe is close to two respectively one side upper end in spacing thread groove sets up first bolt, two first bolt respectively with two installation pipe threaded connection, two the extension end of first bolt passes two the installation pipe respectively with wherein two spacing thread groove threaded connection passes the spacing groove through pulling out the gag lever post, the fixed circuit board of being convenient for, through passing installation pipe and thread groove threaded connection with first bolt, the gag lever post of being convenient for is fixed to the needs when maintaining the circuit board body, twists and moves first bolt, makes first bolt and spacing thread groove separate, to the inside slip gag lever post of installation pipe, convenient to detach maintain.
The utility model discloses an improve and provide a flexible circuit board that interference killing feature is strong here, compare with prior art, have following improvement and advantage:
the utility model discloses a design antistatic backing, can improve the antistatic backing of device, avoid static to cause the damage to components and parts, guarantee its security, through the installation radiation protection layer, can reduce this internal circuit of circuit board and receive external electromagnetic interference's probability, the gag lever post contacts with the rubber ring all around, can increase the toughness between gag lever post and the spacing groove, can make the circuit board body have certain antidetonation function, through installing the metal mesh enclosure, can further improve the interference killing feature of device, through installing the gag lever post, first bolt, spacing thread groove and spacing groove, convenient to detach circuit board body, maintain it.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic view of the front view of the internal structure of the present invention;
fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural view of the point B in fig. 1 of the present invention;
fig. 4 is an enlarged schematic structural view of the point C in fig. 1 of the present invention;
fig. 5 is a schematic view of the cross-sectional structure of the middle mounting pipe of the present invention.
Description of the reference numerals: 1. a first U-shaped metal mesh enclosure; 2. a square connecting block; 3. a square-shaped fixed slot; 4. a second U-shaped metal mesh enclosure; 5. a square fixing plate; 6. a first seal block; 7. a second seal block; 8. a spring bolt; 9. a card slot; 10. a radiation protective layer; 11. heat dissipation holes; 12. a support bar; 13. a metal circuit layer; 14. an insulating film layer; 15. an antistatic layer; 16. installing a pipe; 17. a limiting rod; 18. a first bolt; 19. a limiting thread groove; 20. a limiting groove; 21. a rubber ring; 22. the circuit board body.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 1, which clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a flexible circuit board with strong anti-interference capability through improvement, as shown in figures 1-5, comprising a first U-shaped metal mesh enclosure 1 and a circuit board body 22, wherein the circuit board body 22 comprises a metal circuit layer 13, the upper and lower ends of the metal circuit layer 13 are connected with an insulating film layer 14 through adhesive glue, the insulating film layer 14 is a polyimide component, one end of the two insulating film layers 14 away from each other is provided with an antistatic layer 15, the two antistatic layers 15 are polyvinyl chloride components, the periphery of the upper end of the first U-shaped metal mesh enclosure 1 is fixedly connected with a square connecting block 2, the upper end of the square connecting block 2 is respectively provided with a square fixing slot 3, the upper end of the first U-shaped metal mesh enclosure 1 is provided with a second U-shaped metal mesh enclosure 4, the periphery of the lower end of the second U-shaped metal mesh enclosure 4 is fixedly connected with a square fixing plate 5, the square-shaped fixing plate 5 is inserted into the square-shaped fixing slot 3, the bottom of the square-shaped fixing slot 3 is provided with a first sealing block 6, the lower end circle of the square-shaped fixing plate 5 is fixedly connected with a second sealing block 7, the first sealing block 6 is contacted with the second sealing block 7, the antistatic capacity of the device can be improved by designing an antistatic layer 15, the damage of static electricity to components can be avoided, the safety of the device can be ensured, the anti-interference performance of the device can be further improved by installing a U-shaped metal mesh enclosure 1 and a second U-shaped metal mesh enclosure 4, the square-shaped fixing plate 5 is inserted into the square-shaped fixing slot 3, the first U-shaped metal mesh enclosure 1 and the second U-shaped metal mesh enclosure 4 can be conveniently fixed, the surfaces of the first U-shaped metal mesh enclosure 1 and the second U-shaped metal mesh enclosure 4 are both provided with a galvanized layer, and the galvanized layers can prevent the surfaces of the first U-shaped metal mesh enclosure 1 and the second U-shaped metal mesh enclosure 4 from being corroded, the square-shaped fixing plate 5 is connected with the square-shaped fixing slot 3 more tightly by installing the first sealing block 6 and the second sealing block 7.
Draw-in groove 9 has been seted up respectively around mouthful style of calligraphy fixed plate 5, install spring bolt 8 around mouthful style of calligraphy connecting block 2 respectively, four spring bolt 8 pass mouthful style of calligraphy connecting block 2 respectively with four draw-in groove 9 joints all around, pass the draw-in groove 9 joints all around of mouthful style of calligraphy connecting block 2 through spring bolt 8, make mouthful style of calligraphy fixed plate 5 peg graft with mouthful style of calligraphy fixed slot 3, and is more stable, when needs are dismantled, pulling spring bolt 8, make spring bolt 8's extension end and draw-in groove 9 separation, upwards pull second U type metal screen panel 4, be convenient for open second U type metal screen panel 4, when the installation, peg graft mouthful style of calligraphy fixed plate 5 with mouthful style of calligraphy fixed slot 3, because spring bolt 8's spring force, spring bolt 8's extension end is automatic and draw-in groove 9 joints.
The radiation protection layer 10 is installed inside one side of the first U-shaped metal mesh enclosure 1 and the second U-shaped metal mesh enclosure 4 close to each other, a plurality of radiating holes 11 are formed in the two radiation protection layers 10 respectively, the probability that a circuit in the circuit board body 22 is subjected to external electromagnetic interference can be reduced through installing the radiation protection layers 10, the radiating holes 11 are formed in the radiation protection layers 10, and the circuit board body 22 is convenient to radiate.
The supporting rods 12 are respectively installed on two sides of the upper end of the first U-shaped metal net cover 1, the limiting grooves 20 are respectively formed in the upper ends of the two supporting rods 12, the rubber rings 21 are installed in the two limiting grooves 20 in a circle, and the limiting grooves 20 are used for being connected with a circuit board body 22.
Circuit board body 22's both ends are fixedly connected with installation pipe 16 respectively, gag lever post 17 has been cup jointed respectively to one side that two installation pipes 16 kept away from mutually, two gag lever posts 17 pass two spacing grooves 20 respectively, and contact with two rubber rings 21 all around, through with gag lever post 17 pull-out installation pipe 16, pass gag lever post 17 spacing groove 20, the fixed circuit board body 22 of being convenient for, gag lever post 17 contacts with rubber ring 21 all around, can increase the toughness between gag lever post 17 and the spacing groove 20, can make circuit board body 22 have certain antidetonation function.
The upper ends of the two limiting rods 17 are respectively provided with a plurality of limiting thread grooves 19, the two mounting pipes 16 are respectively close to the upper ends of one sides of the two limiting thread grooves 19 to be provided with first bolts 18, the two first bolts 18 are respectively in threaded connection with the two mounting pipes 16, the extending ends of the two first bolts 18 penetrate through the two mounting pipes 16 and are respectively in threaded connection with the two limiting thread grooves 19, the limiting rods 17 are pulled out to penetrate through the limiting grooves 20, a circuit board is convenient to fix, the first bolts 18 penetrate through the mounting pipes 16 and the limiting thread grooves 19 to be in threaded connection, the limiting rods 17 are convenient to fix, when the circuit board needs to be maintained, the first bolts 18 are screwed, the first bolts 18 are separated from the limiting thread grooves 19, the limiting rods 17 slide towards the inside of the mounting pipes 16, and the circuit board is convenient to disassemble and maintain.
The working principle is as follows: firstly, a circuit board body 22 is placed between two support rods 12, a limiting rod 17 is pulled, the two limiting rods 17 respectively penetrate through two limiting grooves 20, a first bolt 18 penetrates through a mounting pipe 16 and a limiting thread groove 19 to be in threaded connection, the limiting rod 17 is convenient to fix, a spring bolt 8 is pulled, a square-shaped fixing plate 5 is inserted into a square-shaped fixing slot 3, the spring bolt 8 is loosened, due to the spring elasticity of the spring bolt 8, the extension end of the spring bolt 8 is automatically clamped with a clamping groove 9, the toughness between the limiting rod 17 and the limiting groove 20 can be increased through the contact of the periphery of the limiting rod 17 and a rubber ring 21, the circuit board body 22 can have a certain anti-seismic function, an anti-static layer 15 is designed, the anti-static capacity of the device can be improved, the damage of components and devices caused by static electricity can be avoided, the safety of the device can be ensured, the anti-interference performance of the device can be further improved through the installation of a U-shaped metal mesh cover 1 and a second U-shaped metal mesh cover 4, the anti-interference performance of the device can be further improved, galvanized layers can be prevented from being tightly connected with a sealing block of the mounting of the U-shaped metal mesh cover 1 and the second U-type metal mesh cover 4, and the sealing block mounting slot 5, and the sealing block mounting of the U-sealing mesh cover 5 can be more closely connected with the slot 3.
The previous description of the disclosed embodiments 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 invention. 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 (6)
1. The utility model provides a flexible circuit board that interference killing feature is strong which characterized in that: including first U type metal mesh enclosure (1) to and circuit board body (22), circuit board body (22) are including metal circuit layer (13), the upper and lower both ends of metal circuit layer (13) all are connected with insulating film layer (14) through bonding glue, insulating film layer (14) are polyimide material component, two antistatic backing (15) are installed to the one end that insulating film layer (14) kept away from mutually, two antistatic backing (15) are polyvinyl chloride material component, fixedly connected with a style of calligraphy connecting block (2) all around the upper end of first U type metal mesh enclosure (1), a style of calligraphy fixed slot (3) have been seted up respectively to the upper end of a style of calligraphy connecting block (2), the upper end of first U type metal mesh enclosure (1) is provided with second U type metal mesh enclosure (4), fixedly connected with a style of calligraphy fixed plate (5) all around the lower extreme of second U type metal mesh enclosure (4), a style of calligraphy fixed plate (5) with a style of calligraphy fixed slot (3) is pegged graft, first seal block (6) is installed to the bottom of a style of calligraphy fixed slot (3), a mouthful style of calligraphy fixed plate (5) lower extreme a round fixed plate (7) and second seal block (7) contact.
2. The flexible circuit board with strong interference rejection according to claim 1, wherein: draw-in grooves (9) have been seted up respectively around mouthful style of calligraphy fixed plate (5), install spring bolt (8) respectively, four around mouthful style of calligraphy connecting block (2) spring bolt (8) pass around mouthful style of calligraphy connecting block (2) respectively with four draw-in grooves (9) joint.
3. The flexible circuit board with strong interference rejection according to claim 1, wherein: the radiation protection layer is characterized in that a radiation protection layer (10) is respectively installed inside one side, close to each other, of the first U-shaped metal mesh enclosure (1) and the second U-shaped metal mesh enclosure (4), and a plurality of radiating holes (11) are respectively formed in the two radiation protection layers (10).
4. The flexible circuit board with high interference rejection of claim 3, wherein: the utility model discloses a rubber ring, including first U type metal mesh enclosure (1), bracing piece (12) are installed respectively to the upper end both sides of first U type metal mesh enclosure (1), two spacing groove (20), two have been seted up respectively to the upper end of bracing piece (12) the rubber ring (21) are installed to the inside round of spacing groove (20).
5. The flexible circuit board with strong interference rejection of claim 4, wherein: the circuit board comprises a circuit board body (22), wherein two ends of the circuit board body (22) are respectively and fixedly connected with installation pipes (16), two limiting rods (17) are respectively sleeved on one sides, far away from the installation pipes (16), of the installation pipes, the two limiting rods (17) respectively penetrate through two limiting grooves (20), and the peripheries of the limiting rods are in contact with two rubber rings (21).
6. The flexible circuit board with strong interference rejection of claim 5, wherein: the upper ends of the two limiting rods (17) are respectively provided with a plurality of limiting thread grooves (19), the two mounting pipes (16) are respectively close to the two limiting thread grooves (19), one upper end of one side of each mounting pipe (16) is provided with a first bolt (18), the two first bolts (18) are respectively in threaded connection with the two mounting pipes (16), and the extending ends of the two first bolts (18) penetrate through the two mounting pipes (16) and the two limiting thread grooves (19) in threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221474828.7U CN217883948U (en) | 2022-06-14 | 2022-06-14 | Flexible circuit board with strong anti-interference capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221474828.7U CN217883948U (en) | 2022-06-14 | 2022-06-14 | Flexible circuit board with strong anti-interference capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217883948U true CN217883948U (en) | 2022-11-22 |
Family
ID=84095644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221474828.7U Active CN217883948U (en) | 2022-06-14 | 2022-06-14 | Flexible circuit board with strong anti-interference capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217883948U (en) |
-
2022
- 2022-06-14 CN CN202221474828.7U patent/CN217883948U/en active Active
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