CN212259601U

CN212259601U - Rigid-flex board with bending buffer structure

Info

Publication number: CN212259601U
Application number: CN202021262524.5U
Authority: CN
Inventors: 艾海涛
Original assignee: Shenzhen Handing Circuit Electronics Co ltd
Current assignee: Shenzhen Handing Circuit Electronics Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-12-29
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a rigid-flex board with buffer structure buckles, which comprises a fixing plate and i, the top of fixed plate is equipped with the rigid-flex plate body, the upper surface of rigid-flex plate body is equipped with first conductive circuit, the upper surface of rigid-flex plate body is equipped with the second conductive circuit, the positive electricity of rigid-flex plate body is connected with electronic chip, the fixed plate is with the rigid-flex plate body equal fixedly connected with flexure strip in a side that is close to each other, the last fixed surface of fixed plate is connected with two sets of symmetrical buffer spring. This rigid-flex board with buffer structure buckles, fixed plate cooperation flexure strip and spring through the bottom can support and cushion rigid-flex board, avoids rigid-flex board fracturing's effect to appear when installing electronic component, sets up elastic plate and elastic metal strip through the inside of rigid-flex board body, can cushion when buckling, improves the toughness of rigid-flex board body, has avoided the problem that sudden bending force leads to rigid-flex board body to damage.

Description

Rigid-flex board with bending buffer structure

Technical Field

The utility model relates to a rigid-flex printed circuit board technical field specifically is a rigid-flex printed circuit board with buffer structure buckles.

Background

The rigid-flex printed circuit board is not a common circuit board, is a combination of a soft board and a hard board as the name suggests, is a multilayer printed circuit board formed by combining a thin-layer flexible bottom layer and a rigid bottom layer and then laminating the thin-layer flexible bottom layer and the rigid bottom layer into a single component, has wide application range, mainly comprises aerospace, such as a high-end airplane carried weapon navigation system, advanced medical equipment, a digital camera, a portable camera and a high-quality MP3 player, is most commonly used for manufacturing military airplanes and medical equipment due to the mixed use of various materials and multiple manufacturing steps, has defects when the existing rigid-flex printed circuit board is used, cannot buffer when the rigid-flex printed circuit board is bent, has a sudden bending effect, and is easy to cause damage of the printed circuit board, to this end, we propose a rigid-flex printed circuit board having a bending buffer structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rigid-flex printed circuit board with buffer structure buckles to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rigid-flex board with buffer structure buckles, includes the fixed plate, the top of fixed plate is equipped with the rigid-flex board body, the upper surface of the rigid-flex board body is equipped with first conductive circuit, the upper surface of the rigid-flex board body is equipped with the second conductive circuit, the front electricity of the rigid-flex board body is connected with electronic chip, the equal fixedly connected with flexure strip in a side that fixed plate and rigid-flex board body are close to each other, the upper surface fixedly connected with two sets of symmetrical buffer spring of fixed plate, every buffer spring's top all with the bottom surface fixed connection of the rigid-flex board body, the rigid-flex board body includes circuit core board, insulating layer, flexbleboard, basal plate, bonding glue film, elasticity metal strip, elastic plate and rigid plate, the bottom surface fixedly connected with insulating layer of circuit core board, the bottom surface fixedly connected with flexbleboard of insulating layer, the bottom surface fixedly connected with, the bottom surface fixedly connected with of base plate bonds the glue film, the bottom surface fixedly connected with elastic metal strip of bonding glue film, the bottom surface fixedly connected with elastic plate of elastic metal strip, the bottom surface fixedly connected with rigidity board of elastic plate.

Preferably, the left and right sides of fixed plate all is equipped with the guard plate, two the draw-in groove has all been seted up to the side that the guard plate is close to each other, two a side that the guard plate is close to each other is respectively with the left and right sides face looks joint of fixed plate.

Preferably, the front surface of the fixing plate and the back surface of the fixing plate are fixedly connected with mounting plates, and each mounting plate is provided with a mounting hole on the upper surface.

Preferably, two sets of symmetrical fixed holes are formed in the upper surface of the rigid-flex board body, and an insulating pipe is sleeved inside each fixed hole.

Preferably, symmetrical grooves are formed in the front face of the rigid-flex board body and the back face of the rigid-flex board body, and the number of the grooves is at least four.

Preferably, symmetrical through holes are formed in the upper surface of the fixing plate, and an electronic fan is fixedly connected inside each through hole.

Advantageous effects

The utility model discloses possess following beneficial effect: the rigid-flex board with the bending buffer structure can be conveniently installed by arranging the fixing holes and the insulating pipes on the upper surface of the rigid-flex board, the rigid-flex printed circuit board is provided with the groove, so that a plurality of rigid-flex printed circuit boards can be connected and conveniently combined, the first conductive circuit and the second conductive circuit are arranged, so that electronic elements can be conveniently connected, the protection plates are arranged on the two sides of the rigid-flex combination plate and the fixed plate, so that collision can be avoided during transportation of the rigid-flex combination plate, the rigid-flex combined board can be supported and buffered by matching the fixed board at the bottom with the elastic sheet and the spring, the fracture effect of the rigid-flex combined board during the installation of electronic elements is avoided, the elastic plate and the elastic metal strip are arranged in the rigid-flex plate body, so that the rigid-flex plate body can be buffered when being bent, and the problem that the rigid-flex plate body is damaged due to sudden bending force is avoided.

Drawings

Fig. 1 is a schematic structural view of the rigid-flex board body of the present invention;

fig. 2 is a front view of the rigid-flex board body of the present invention;

FIG. 3 is a front sectional view of the rigid-flex board body of the present invention;

fig. 4 is a top view of the fixing plate of the present invention.

In the figure: 1. a fixing plate; 2. a rigid flexible plate body; 201. a circuit core board; 202. an insulating layer; 203. a flexible board; 204. a base layer plate; 205. bonding the adhesive layer; 206. an elastic metal strip; 207. an elastic plate; 208. a rigid plate; 3. mounting a plate; 4. mounting holes; 5. a card slot; 6. a protection plate; 7. an insulating tube; 8. a groove; 9. a first conductive line; 10. an electronic chip; 11. a second conductive line; 12. a fixing hole; 13. an elastic sheet; 14. a buffer spring; 15. an electronic fan; 16. and a through hole.

Detailed Description

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.

Referring to fig. 1-4, the present invention provides a technical solution: a rigid-flex board with a bending buffer structure comprises a fixing plate 1, a rigid-flex board body 2 is arranged above the fixing plate 1, a first conductive circuit 9 is arranged on the upper surface of the rigid-flex board body 2, a second conductive circuit 11 is arranged on the upper surface of the rigid-flex board body 2, an electronic chip 10 is electrically connected to the front surface of the rigid-flex board body 2, elastic sheets 13 are fixedly connected to one side surface, close to the rigid-flex board body 2, of the fixing plate 1, two groups of symmetrical buffer springs 14 are fixedly connected to the upper surface of the fixing plate 1, the top end of each buffer spring 14 is fixedly connected to the bottom surface of the rigid-flex board body 2, the rigid-flex board body 2 comprises a circuit core board 201, an insulating layer 202, a flexible board 203, a base board 204, a bonding glue layer 205, an elastic metal strip 206, an elastic board 207 and a rigid board 208, the bottom surface of the circuit core board 201 is, the bottom surface of the flexible plate 203 is fixedly connected with a base plate 204, the bottom surface of the base plate 204 is fixedly connected with an adhesive layer 205, the bottom surface of the adhesive layer 205 is fixedly connected with an elastic metal strip 206, the bottom surface of the elastic metal strip 206 is fixedly connected with an elastic plate 207, and the bottom surface of the elastic plate 207 is fixedly connected with a rigid plate 208.

The left and right sides of fixed plate 1 all is equipped with guard plate 6, draw-in groove 5 has all been seted up to a side that two guard plates 6 are close to each other, a side that two guard plates 6 are close to each other respectively with the left and right sides face looks joint of fixed plate 1, can conveniently protect rigid-flex board, avoid producing the collision in the transportation, the equal fixedly connected with mounting panel 3 in the front of fixed plate 1 and the back of fixed plate 1, mounting hole 4 has all been seted up to the upper surface of every mounting panel 3, can conveniently install and fix.

Two sets of symmetrical fixed orificess 12 have been seted up to the upper surface of rigid-flex plate body 2, the inside of every fixed orificess 12 all is equipped with insulating tube 7 by the cover, can conveniently install rigid-flex plate body 2 and fixed plate 1, rigid-flex plate body 2's front and rigid-flex plate body 2's the back all seted up symmetrical recess 8, the quantity of recess 8 is four at least, can conveniently carry out a plurality of rigid-flex plate body 2 and splice, symmetrical through-hole 16 has been seted up to fixed plate 1's upper surface, the equal fixedly connected with electron fan 15 in inside of every through-hole 16, can make things convenient for rigid-flex plate body 2 to dispel the heat.

It should be noted that, the utility model relates to a rigid-flex board with buffer structure buckles, when using, at first install the rigid-flex board body 2 on the upper portion of fixed plate 1 through the cooperation of insulating tube 7 with fixed orifices 12, because set up flexure strip 13 and buffer spring 14 between fixed plate 1 and the rigid-flex board body 2, can support rigid-flex board body 2, avoid the impact force to damage rigid-flex board body 2, when buckling, constitute by rigid plate 208 and flexbile plate 203 through rigid-flex board body 2, make the combination board itself have certain effect of buckling, inside through rigid-flex board body 2 sets up elastic metal strip 206 and elastic plate 207, utilize elastic material's ductility, can make rigid-flex board body 2 cushion when receiving buckling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rigid-flex printed circuit board with buffer structure buckles, includes fixed plate (1), its characterized in that: the rigid-flex board is characterized in that a rigid-flex board body (2) is arranged above the fixed board (1), a first conductive circuit (9) is arranged on the upper surface of the rigid-flex board body (2), a second conductive circuit (11) is arranged on the upper surface of the rigid-flex board body (2), an electronic chip (10) is electrically connected to the front surface of the rigid-flex board body (2), an elastic sheet (13) is fixedly connected to one side surface of the fixed board (1) close to the rigid-flex board body (2), two groups of symmetrical buffer springs (14) are fixedly connected to the upper surface of the fixed board (1), the top end of each buffer spring (14) is fixedly connected to the bottom surface of the rigid-flex board body (2), and the rigid-flex board body (2) comprises a circuit core board (201), an insulating layer (202), a flexible board (203), a base board (204), a bonding adhesive layer (205), an elastic metal strip (206), an elastic, the circuit core board is characterized in that an insulating layer (202) is fixedly connected to the bottom surface of the circuit core board (201), a flexible board (203) is fixedly connected to the bottom surface of the insulating layer (202), a base board (204) is fixedly connected to the bottom surface of the flexible board (203), a bonding glue layer (205) is fixedly connected to the bottom surface of the base board (204), an elastic metal strip (206) is fixedly connected to the bottom surface of the bonding glue layer (205), an elastic board (207) is fixedly connected to the bottom surface of the elastic metal strip (206), and a rigid board (208) is fixedly connected to the bottom surface of the elastic board (207).

2. The rigid-flex printed circuit board with a bending buffer structure according to claim 1, wherein: the left and right sides of fixed plate (1) all is equipped with guard plate (6), two draw-in groove (5) have all been seted up to the side that guard plate (6) are close to each other, two a side that guard plate (6) are close to each other is respectively with the left and right sides face looks joint of fixed plate (1).

3. The rigid-flex printed circuit board with a bending buffer structure according to claim 1, wherein: the equal fixedly connected with mounting panel (3) in the front of fixed plate (1) and the back of fixed plate (1), every mounting hole (4) have all been seted up to the upper surface of mounting panel (3).

4. The rigid-flex printed circuit board with a bending buffer structure according to claim 1, wherein: two sets of symmetrical fixed orificess (12) are seted up to the upper surface of rigid-flex plate body (2), every the inside of fixed orificess (12) all is equipped with insulating tube (7).

5. The rigid-flex printed circuit board with a bending buffer structure according to claim 1, wherein: symmetrical grooves (8) are formed in the front face of the rigid-flex board body (2) and the back face of the rigid-flex board body (2), and the number of the grooves (8) is at least four.

6. The rigid-flex printed circuit board with a bending buffer structure according to claim 1, wherein: symmetrical through holes (16) are formed in the upper surface of the fixing plate (1), and each through hole (16) is fixedly connected with an electronic fan (15).