CN215073142U

CN215073142U - Circuit board that anti bending performance is good

Info

Publication number: CN215073142U
Application number: CN202121495022.1U
Authority: CN
Inventors: 傅强
Original assignee: Shandong Desen Electronic Technology Co ltd
Current assignee: Shandong Desen Electronic Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-07
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a circuit board that anti bending performance is good, including the circuit board body, the front end surface of circuit board body is provided with the circuit interface, the upper end internal surface of circuit board body is provided with anti bending mechanism, the inside of circuit board body is provided with protection mechanism, protection mechanism is including protection inner shell, anti-corrosion coating and dampproof course, the inside mechanical spraying of protection inner shell has anti-corrosion coating and dampproof course, anti-corrosion coating and dampproof course all are in the inside of protection inner shell through the mechanical equipment spraying, the inside spraying of anti-corrosion coating has alkaline pigment. The circuit board with good bending resistance of the utility model has stronger bending resistance of the whole structure, and the circuit board is not easy to break; overall structure anticorrosion moisture resistance is stronger to improve its life, thereby improved the practicality of circuit board, this equipment is simple structure not only, and convenient operation brings better use prospect moreover.

Description

Circuit board that anti bending performance is good

Technical Field

The utility model relates to a circuit board technical field, in particular to anti circuit board that bending resistance is good.

Background

Circuit boards are classified into three major categories, single-sided boards, double-sided boards, and multilayer circuit boards, in which the single-sided board is the first one, components are concentrated on one side, and wires are concentrated on the other side, on the most basic PCB. Such PCBs are called single-sided circuit boards because the conductors are present on only one side thereof. The single panel is usually simple to manufacture and low in manufacturing cost, but has the defect that the single panel cannot be applied to a complex product; the double-sided board is an extension of a single-sided board, and is used when a single-layer wiring cannot meet the requirements of an electronic product. Copper is coated on both sides of the circuit board, so that wires are arranged between the two layers, and the circuits can be conducted through the through holes to form required network connection; the multilayer board refers to a printed board having three or more conductive pattern layers laminated with an insulating material therebetween at intervals, and the conductive patterns therebetween are interconnected as required. The multilayer circuit board is a product of the development of electronic information technology in the directions of high speed, multifunction, large capacity, small volume, thinning and light weight.

At present, application number 202020543361.1's chinese patent discloses a circuit board that anti bending property is good, including the circuit board main part, be equipped with the corrosion circuit in the circuit board main part, circuit board main part fixed surface installs protecting sheathing, protecting sheathing upper surface fixed mounting has transparent visor, transparent visor surface bit has the equal fixed mounting in protecting sheathing four corners position to have the fixed screw, protecting sheathing side fixed surface installs sealing mechanism, protecting sheathing upper surface bit has the fixed spiral groove all seted up in four corners position, transparent visor surface bit is equipped with the anticreep gasket on the fixed screw, the mounting groove has been seted up on the protecting sheathing surface, it all has seted up fixed opening to lie in the mounting groove both sides on the protecting sheathing, activity pivot fixed mounting is in protecting sheathing side surface. A circuit board that anti bending property is good, can prevent to reduce the risk that the circuit board is broken, can prevent simultaneously that the circuit board from being corroded, but its bending resistance is relatively poor, the circuit board is easy to be cracked to reduced the practicality of circuit board, secondly, the anticorrosion moisture resistance of circuit board is relatively poor, reduced its life, for this reason, we propose a circuit board that anti bending property is good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a circuit board that anti bending performance is good 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 circuit board that anti bending performance is good, includes the circuit board body, the front end surface of circuit board body is provided with the circuit interface, the upper end internal surface of circuit board body is provided with anti bending mechanism, the inside of circuit board body is provided with protection mechanism, protection mechanism is including protection inner shell, anti-corrosion coating and dampproof course, the inside mechanical spraying of protection inner shell has anti-corrosion coating and dampproof course.

Preferably, the anti-corrosion layer and the moisture-proof layer are sprayed on the inner part of the protective inner shell through mechanical equipment, the alkaline pigment is sprayed on the inner part of the anti-corrosion layer, and the moisture-proof coating is sprayed on the inner part of the moisture-proof layer.

Preferably, the anti-bending mechanism comprises an anti-bending plate, a tight cotton pad, an anti-bending layer, a screw, a nut and a gasket, the tight cotton pad is located on the outer surfaces of the two ends of the anti-bending plate, the anti-bending layer is located inside the anti-bending plate, the screw is located on the outer surface of the lower end of the anti-bending plate, and the nut and the gasket are located on the outer wall of the screw.

Preferably, the sticky glue is arranged between the anti-bending plate and the tight cotton pad, the outer surfaces of the two ends of the anti-bending plate are fixedly connected with the outer surface of one end of the tight cotton pad through the sticky glue, the anti-bending layer is processed in the anti-bending plate through mechanical equipment, the anti-bending plate is detachably connected with a screw, the screw is detachably connected with a nut and a gasket, and the polypropylene is arranged in the anti-bending layer.

Preferably, the circuit interface is machined on the outer surface of the front end of the circuit board body through equipment.

Preferably, a mounting groove is formed between the circuit board body and the anti-bending mechanism, and the inner surface of the upper end of the circuit board body is detachably connected with the peripheral outer surface of the anti-bending mechanism through the mounting groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the bending resistance of the whole structure is strong, and the circuit board is not easy to break; overall structure anticorrosion moisture resistance is stronger to improve its life, thereby improved the practicality of circuit board, whole anti circuit board simple structure that buckling performance is good, convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the whole structure of a circuit board with good bending resistance of the present invention;

fig. 2 is a schematic structural view of an anti-bending mechanism 3 in fig. 1 of a circuit board with good anti-bending performance according to the present invention;

fig. 3 is a schematic view of the internal structure of a circuit board with good bending resistance of the present invention;

fig. 4 is a schematic structural view of the protection mechanism 4 in fig. 3 of a circuit board with good bending resistance of the present invention.

In the figure: 1. a circuit board body; 2. a line interface; 3. an anti-buckling mechanism; 4. a protection mechanism; 301. a bending resistant plate; 302. tightly pressing the cotton pad; 303. an anti-buckling layer; 304. a screw; 305. a nut; 306. a gasket; 401. a protective inner shell; 402. an anti-corrosion layer; 403. a moisture barrier.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 first embodiment is as follows:

as shown in fig. 1 to 4, a circuit board with good bending resistance includes a circuit board body 1, a circuit interface 2 is disposed on an outer surface of a front end of the circuit board body 1, an anti-bending mechanism 3 is disposed on an inner surface of an upper end of the circuit board body 1, a protection mechanism 4 is disposed inside the circuit board body 1, the protection mechanism 4 includes a protection inner shell 401, an anti-corrosion layer 402 and a moisture-proof layer 403, and the anti-corrosion layer 402 and the moisture-proof layer 403 are mechanically sprayed inside the protection inner shell 401.

Example two:

on the basis of the first embodiment, as shown in fig. 3, an adhesive glue is disposed between the anti-bending plate 301 and the fastening cotton pad 302, the outer surfaces of the two ends of the anti-bending plate 301 are fixedly connected with the outer surface of one end of the fastening cotton pad 302 through the adhesive glue, the anti-bending layer 303 is processed inside the anti-bending plate 301 through mechanical equipment, the anti-bending plate 301 is detachably connected with the screw 304, the screw 304 is detachably connected with the nut 305 and the gasket 306, polypropylene is disposed inside the anti-bending layer 303, the anti-bending plate 301 is installed into the circuit board body 1 through the installation groove, the fastening cotton pad 302 is in contact with the circuit board body 1, so that the anti-bending plate 301 is clamped inside the anti-bending plate, the polypropylene in the anti-bending layer 303 is a semi-crystalline thermoplastic plastic, and has high impact resistance, strong mechanical properties, and corrosion resistance to various organic solvents and acids and bases, the anti-bending plate 301 is screwed and fixed through the screw 304, the nut 305 and the gasket 306, the bending resistance of the whole structure is strong, and the circuit board is not easy to break, so that the practicability of the circuit board is improved.

Example three:

on the basis of the first embodiment and the second embodiment, as shown in fig. 3, the corrosion-proof layer 402 and the moisture-proof layer 403 are both sprayed inside the protective inner shell 401 by mechanical equipment, the inside of the corrosion-proof layer 402 is sprayed with an alkaline pigment, the inside of the moisture-proof layer 403 is sprayed with a moisture-proof coating, the protective inner shell 401 is processed inside the circuit board body 1, the alkaline pigment in the corrosion-proof layer 402 keeps the interface between the paint film and the metal slightly alkaline and also plays a role in corrosion prevention, the pigment dissolves chromate ions after contacting with moisture, the chromate ions have strong oxidation effect and can passivate the surface of the metal, so that the corrosion prevention effect is achieved, most of the moisture-proof coating in the moisture-proof layer 403 takes a silicone rubber high molecular polymer as a base material, so that the permeation of moisture and moisture can be effectively prevented and reduced, the overall structure has strong moisture resistance, and the service life of the corrosion prevention is prolonged.

Compared with the circuit board in the comparison document 202020543361.1, the utility model relates to a circuit board with good bending resistance, install the anti-bending board 301 into the circuit board body 1 through the mounting groove, support the contact of cotton pad 302 and circuit board body 1 tightly, thereby make the anti-bending board 301 block into its inside, and the polypropylene in the anti-bending layer 303 is a semi-crystalline thermoplastic, have higher impact resistance, mechanical properties is tough, multiple organic solvent and acid-base corrosion resistance, the anti-bending board 301 is screwed up fixedly through screw 304, nut 305 and gasket 306, overall structure bending resistance is stronger, the circuit board is difficult to fracture, process the inside of protection inner shell 401 at the circuit board body 1, the alkaline pigment in the anti-corrosion layer 402 makes the interface of paint film and metal keep alkalescence, also play the anticorrosion effect, dissolve out the chromate ion after these pigment and moisture contact, the chromate ion has strong oxygen, the metal surface can be passivated, so that an anti-corrosion effect is achieved, the moisture-proof coating in the moisture-proof layer 403 mostly uses the silicon rubber high-molecular polymer as a base material, moisture and humidity permeation can be effectively prevented and reduced, the overall structure is strong in anti-corrosion and moisture-proof performance, the service life of the circuit board is prolonged, and the practicability of the circuit board is improved and is relatively practical.

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 circuit board that bending resistance performance is good, includes circuit board body (1), its characterized in that: the circuit board comprises a circuit board body (1), and is characterized in that a circuit interface (2) is arranged on the outer surface of the front end of the circuit board body (1), an anti-bending mechanism (3) is arranged on the inner surface of the upper end of the circuit board body (1), a protection mechanism (4) is arranged inside the circuit board body (1), the protection mechanism (4) comprises a protection inner shell (401), an anti-corrosion layer (402) and a moisture-proof layer (403), and the anti-corrosion layer (402) and the moisture-proof layer (403) are mechanically sprayed inside the protection inner shell (401).

2. The circuit board of claim 1, wherein the circuit board has good bending resistance, and the circuit board is characterized in that: the anti-corrosion layer (402) and the moisture-proof layer (403) are both sprayed inside the protective inner shell (401) through mechanical equipment, the anti-corrosion layer (402) is sprayed with alkaline pigment, and the moisture-proof coating is sprayed inside the moisture-proof layer (403).

3. The circuit board of claim 1, wherein the circuit board has good bending resistance, and the circuit board is characterized in that: anti-bending mechanism (3) are including anti board (301) of bending, support tight cotton pad (302), anti layer (303) of bending, screw (304), nut (305) and gasket (306), support tight cotton pad (302) and be located the both ends surface of anti board (301) of bending, anti layer (303) of bending is located the inside of anti board (301) of bending, screw (304) are located the lower extreme surface of anti board (301) of bending, nut (305) and gasket (306) are located the outer wall of screw (304).

4. A circuit board with good bending resistance according to claim 3, characterized in that: anti board (301) of bending and support and be provided with the stickness glue between tight cotton pad (302), the both ends surface of anti board (301) of bending is glued through the stickness and is connected with the one end external surface fixed that supports tight cotton pad (302), anti layer (303) of bending is through the inside of mechanical equipment processing at anti board (301) of bending, anti board (301) of bending can be dismantled with screw (304) and be connected, screw (304) can be dismantled with nut (305) and gasket (306) and be connected, the inside on anti layer (303) of bending is provided with the polypropylene.

5. The circuit board of claim 1, wherein the circuit board has good bending resistance, and the circuit board is characterized in that: the circuit interface (2) is processed on the outer surface of the front end of the circuit board body (1) through equipment.

6. The circuit board of claim 1, wherein the circuit board has good bending resistance, and the circuit board is characterized in that: the anti-bending circuit board is characterized in that a mounting groove is formed between the circuit board body (1) and the anti-bending mechanism (3), and the inner surface of the upper end of the circuit board body (1) is detachably connected with the outer surfaces of the periphery of the anti-bending mechanism (3) through the mounting groove.