CN215773947U

CN215773947U - High-precision silk-screen soft-hard combined printed circuit board

Info

Publication number: CN215773947U
Application number: CN202122180651.1U
Authority: CN
Inventors: 卢磊
Original assignee: Leixinda Electronics Shenzhen Co ltd
Current assignee: Leixinda Electronics Shenzhen Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-08
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of circuit boards, and discloses a high-precision silk-screen soft and hard combined printed circuit board which comprises an outer frame, wherein T-shaped grooves are formed in the left side wall surface and the right side wall surface of the outer frame, an inner frame is arranged in the outer frame, T-shaped blocks are fixedly arranged on the left side wall surface and the right side wall surface of the inner frame, the upper wall surfaces of the T-shaped blocks are mutually attached to the corresponding position wall surfaces on the T-shaped grooves in the left side and the right side of the outer frame, transverse ventilation grooves are formed in the top wall surface and the bottom wall surface of the inner frame, and vertical ventilation grooves are formed in the front side wall surface and the rear side wall surface of the inner frame. According to the high-precision silk-screen soft and hard combined printed circuit board, the T-shaped blocks on the left wall surface and the right wall surface of the inner frame are mutually attached to the T-shaped grooves on the left wall surface and the right wall surface of the inner frame, when the inner frame moves up and down, the upper wall surfaces of the two groups of T-shaped blocks respectively rub the corresponding position wall surfaces of the two groups of T-shaped grooves, so that the damage of the two groups of hard circuit boards and the flexible circuit board caused by vibration is reduced, and the effect of prolonging the service life of the circuit boards is achieved.

Description

High-precision silk-screen soft-hard combined printed circuit board

Technical Field

The utility model relates to the field of circuit boards, in particular to a high-precision silk-screen soft and hard combined printed circuit board.

Background

Wiring boards generally refer to conductive patterns formed by making printed circuits, printed components, or a combination of both, on an insulating material in a predetermined design. And a conductive pattern on the insulating substrate that provides electrical connection between the components is called a printed wiring. The finished board of the printed circuit or printed circuit is then referred to as a printed circuit board, also known as a printed circuit board or printed circuit board.

At present, the circuit in the existing circuit board is highly concentrated, and when the circuit board is vibrated, the circuit in the circuit board is easy to lose efficacy due to vibration, so that the service life of the circuit board is shortened. Therefore, a high-precision silk-screen soft-hard combined printed circuit board is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a high-precision silk-screen soft-hard combined printed circuit board.

In order to achieve the purpose, the utility model adopts the following technical scheme that the high-precision silk-screen soft and hard combined printed circuit board comprises an outer frame, wherein the left side wall surface and the right side wall surface of the outer frame are respectively provided with a T-shaped groove, the inner frame is arranged in the outer frame, the left side wall surface and the right side wall surface of the inner frame are respectively and fixedly provided with a T-shaped block, the upper wall surface of the T-shaped block is mutually attached to the wall surface at the corresponding position on the T-shaped groove on the left side and the right side of the outer frame, the top wall surface and the bottom wall surface of the inner frame are respectively provided with a transverse ventilation groove, the front side wall surface and the rear side wall surface of the inner frame are respectively provided with a vertical ventilation groove, the top wall surface and the bottom wall surface in the outer frame are respectively and fixedly provided with a fixed block, one side wall surface approaching the two groups of the fixed blocks is respectively provided with a rectangular hole, the two groups of the fixed blocks are respectively provided with a connecting block, one side wall surface approaching the two groups of the connecting blocks respectively penetrate through the rectangular holes to extend to the outside of the fixed blocks, one side wall that two sets of fixed blocks approached mutually respectively with inside casing on top wall and the bottom wall fixed connection, the inside of two sets of fixed blocks all is provided with the spring, one side wall fixed connection that one end that two sets of springs approached mutually kept away from mutually respectively with two sets of connecting blocks, one end that two sets of springs kept away from mutually respectively with inside top wall and the bottom wall fixed connection of frame.

Preferably, the connecting rods are fixedly mounted at the left end and the right end of the inner wall surface of the inner frame, close to the top and the bottom, respectively, threaded grooves are formed in one side wall surface of the two parallel groups of connecting rods, which is close to the connecting rods, and two groups of hard circuit boards are arranged in the outer frame.

Preferably, a set of flexible circuit board is arranged inside the outer frame, the left and right side wall surfaces of the flexible circuit board are respectively and fixedly connected with the bottom wall surfaces of the two sets of rigid circuit boards, and the two sets of rigid circuit boards are electrically communicated with the flexible circuit board.

Preferably, threaded holes are formed in the middle of the approaching side wall surface of the two groups of hard circuit boards, the ends of the middle of the approaching side wall surface of the two groups of hard circuit boards are close to the top and the bottom of the hard circuit boards, and the two groups of threaded holes in the two groups of hard circuit boards respectively correspond to the threaded grooves in the four groups of connecting rods in the inner frame.

Preferably, four groups of threaded rods are arranged in the outer frame, the four groups of threaded rods extend into the four groups of connecting rods through two groups of threaded holes in the two groups of rigid circuit boards respectively, and the four groups of threaded rods are in threaded connection with threaded grooves in the four groups of connecting rods respectively.

Advantageous effects

The utility model provides a high-precision silk-screen soft-hard combined printed circuit board. The method has the following beneficial effects:

(1) this high accuracy silk screen printing soft or hard combines printed wiring board, when two sets of rigid line way board and flexible line way board received vibrations, the inside casing can remove to the bottom, the inside casing can be drawn and rise the spring that is close to the top and the spring of extrusion bottom, two sets of springs cushion the vibrations that two sets of rigid line way board and flexible line way board received respectively, and T type piece on the wall about the inside casing and the inside wall surface of the wall of the left and right sides of frame T type groove laminate each other, when the inside casing is reciprocating, wall looks at the two sets of T type piece and corresponds position wall looks mutual friction on two sets of T type grooves respectively, make two sets of rigid line way boards and flexible line way board receive the harm reduction of vibrations, the effect that has improved the life of circuit board has been reached.

(2) This high accuracy silk screen printing soft or hard combines printed wiring board, when the inside casing received vibrations, the inside casing can reciprocate, and the inside flexible line way board of inside casing also can reciprocate, because inertia and resistance, and flexible line way board is flexible material, so when the flexible line way board received the resistance, the flexible line way board can produce wind, and the inside production air of inside casing flows, makes the inside temperature reduction of inside casing, has reached the effect to the circuit board cooling.

Drawings

FIG. 1 is a cross-sectional view of a high-precision silk-screen rigid-flexible printed circuit board of the utility model;

FIG. 2 is an outer schematic view of the inner frame of the present invention;

FIG. 3 is a schematic diagram of the connection relationship between the rigid wiring board and the flexible wiring board according to the present invention.

Illustration of the drawings:

the device comprises an outer frame 1, a 2T-shaped groove, a 3 inner frame, a 4T-shaped block, a 5 transverse ventilation groove, a 6 vertical ventilation groove, a 7 fixed block, an 8 connecting block, a 9 spring, a 10 connecting rod, a 11 threaded groove, a 12 hard circuit board, a 13 flexible circuit board, a 14 threaded hole and a 15 threaded rod.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example (b): as shown in fig. 1-3, a high-precision silk-screen rigid-flexible printed circuit board comprises an outer frame 1, wherein the outer frame 1 is in a hollow rectangular shape, T-shaped grooves 2 are formed in the left side wall surface and the right side wall surface of the outer frame 1, an inner frame 3 is arranged inside the outer frame 1, the inner frame 3 is in a hollow rectangular shape, T-shaped blocks 4 are fixedly mounted on the left side wall surface and the right side wall surface of the inner frame 3, wall surfaces at corresponding positions on the T-shaped grooves 2 on the left side and the right side of the outer frame 1 are attached to each other on the upper wall surface of the T-shaped blocks 4, transverse ventilation grooves 5 are formed in the top wall surface and the bottom wall surface of the inner frame 3, vertical ventilation grooves 6 are formed in the front side wall surface and the rear side wall surface of the inner frame 3, fixed blocks 7 are fixedly mounted on the top wall surface and the bottom wall surface inside the outer frame 1, rectangular holes are formed in one side wall surfaces of two groups of the fixed blocks 7, connecting blocks 8 are provided with connecting blocks, and one side wall surface of the two groups of the connecting blocks 8 respectively penetrates through the rectangular holes in the two groups of the fixed blocks 7 and extends to the outer side walls of the fixed blocks 7 A side wall surface of two groups of fixed blocks 7 approaching is respectively fixedly connected with a top wall surface and a bottom wall surface of the inner frame 3, springs 9 are arranged in the two groups of fixed blocks 7, one end of the two groups of springs 9 approaching is respectively fixedly connected with a side wall surface of the two groups of connecting blocks 8 away, one end of the two groups of springs 9 away is respectively fixedly connected with the top wall surface and the bottom wall surface of the inner frame 1, connecting rods 10 are respectively and fixedly mounted at the left end and the right end of the inner wall surface of the inner frame 3 close to the top and the bottom, a threaded groove 11 is respectively formed in one side wall surface of the two groups of connecting rods 10 parallel to each other, two groups of rigid circuit boards 12 are arranged in the outer frame 1, the two groups of rigid circuit boards 12 are both in the disclosed technology and are not described herein again, a group of flexible circuit boards 13 is arranged in the outer frame 1, the flexible circuit boards 13 are the disclosed technology and are not described herein again, the left side wall surface and the right side wall surface of the flexible circuit board 13 are respectively fixedly connected with the bottom wall surfaces of the two groups of rigid circuit boards 12, the two groups of rigid circuit boards 12 are electrically communicated with the flexible circuit board 13, threaded holes 14 are respectively formed in the middle positions, close to the top and the bottom, of the side wall surfaces of the two groups of rigid circuit boards 12, the two groups of threaded holes 14 in the two groups of rigid circuit boards 12 respectively correspond to threaded grooves 11 in four groups of connecting rods 10 in the inner frame 3, four groups of threaded rods 15 are arranged in the outer frame 1, the four groups of threaded rods 15 respectively extend to the four groups of connecting rods 10 through the two groups of threaded holes 14 in the two groups of rigid circuit boards 12, and the four groups of threaded rods 15 are respectively in threaded connection with the threaded grooves 11 in the four groups of connecting rods 10.

The working principle of the utility model is as follows:

when using, when two sets of rigid line way board 12 and flexible line way board 13 received vibrations, inside casing 3 can remove to the bottom, inside casing 3 can be drawn and rise spring 9 that is close to the top and the spring 9 of extrusion bottom, two sets of springs 9 cushion the vibrations that two sets of rigid line way board 12 and flexible line way board 13 received respectively, and T type piece 4 on the wall about inside casing 3 laminates with T type groove 2 on the wall of the inside left and right sides of frame 1 wall each other, when inside casing 3 is reciprocating, wall rubs with corresponding position wall looks mutual friction on two sets of T type piece 4 respectively on two sets of T type piece 4, make two sets of rigid line way board 12 and flexible line way board 13 receive the harm reduction of vibrations, the effect of the life of improvement circuit board has been reached.

When the inner frame 3 receives vibrations, the inner frame 3 can reciprocate, and the inside flexible line way board 13 of inner frame 3 also can reciprocate, because inertia and resistance, and flexible line way board 13 is flexible material, so when flexible line way board 13 received the resistance, flexible line way board 13 can produce wind, and the inside air that produces of inner frame 3 flows, makes the inside temperature reduction of inner frame 3, has reached the effect to the circuit board cooling.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the utility model is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. The utility model provides a high accuracy silk screen printing soft or hard combines printed wiring board, includes frame (1), its characterized in that: the T-shaped grooves (2) are formed in the left side wall surface and the right side wall surface of the outer frame (1), the inner frame (3) is arranged in the outer frame (1), the T-shaped blocks (4) are fixedly arranged on the left side wall surface and the right side wall surface of the inner frame (3), the transverse ventilation grooves (5) are formed in the top wall surface and the bottom wall surface of the inner frame (3), the vertical ventilation grooves (6) are formed in the front side wall surface and the rear side wall surface of the inner frame (3), the fixed blocks (7) are fixedly arranged on the top wall surface and the bottom wall surface in the outer frame (1), rectangular holes are formed in one side wall surface, close to each other, of the two groups of fixed blocks (7), the connecting blocks (8) are arranged in the two groups of fixed blocks (7), one side wall surface, close to each other, of the two groups of fixed blocks (8) respectively penetrates through the rectangular holes in the two groups of fixed blocks (7) to extend to the outer portions of the fixed blocks (7), one side wall surface, close to each group of the two groups of the fixed blocks (7) is respectively and fixedly connected with the top wall surface and the bottom wall surface of the inner frame (3), the inside of two sets of fixed blocks (7) all is provided with spring (9), the one end that both ends are close to top and bottom about the inside wall of inside casing (3) is fixed mounting respectively has connecting rod (10), threaded groove (11) have all been seted up to one side wall that is close to in two sets of connecting rod (10) that are parallel to each other, the inside of frame (1) is provided with two sets of rigid circuit board (12), the inside of frame (1) is provided with a set of flexible line way board (13), threaded hole (14) have all been seted up to one end that one side wall intermediate position that two sets of rigid circuit board (12) are close to mutually is close to top and bottom, the inside of frame (1) is provided with four threaded rod of group (15).

2. The high-precision silk-screen rigid-flexible printed circuit board as claimed in claim 1, wherein: the upper wall surface of the T-shaped block (4) is mutually attached to the corresponding position wall surfaces on the T-shaped grooves (2) on the left side and the right side of the outer frame (1).

3. The high-precision silk-screen rigid-flexible printed circuit board as claimed in claim 1, wherein: one ends of the two groups of springs (9) approaching to each other are fixedly connected with one side wall face of the two groups of connecting blocks (8) far away from each other respectively, and one ends of the two groups of springs (9) far away from each other are fixedly connected with the top wall face and the bottom wall face inside the outer frame (1) respectively.

4. The high-precision silk-screen rigid-flexible printed circuit board as claimed in claim 1, wherein: the left side wall surface and the right side wall surface of the flexible circuit board (13) are respectively fixedly connected with the bottom wall surfaces of the two groups of hard circuit boards (12).

5. The high-precision silk-screen rigid-flexible printed circuit board as claimed in claim 1, wherein: two groups of threaded holes (14) on the two groups of hard circuit boards (12) respectively correspond to the threaded grooves (11) on the four groups of connecting rods (10) in the inner frame (3).

6. The high-precision silk-screen rigid-flexible printed circuit board as claimed in claim 1, wherein: the four groups of threaded rods (15) extend into the four groups of connecting rods (10) through two groups of threaded holes (14) in the two groups of rigid circuit boards (12), and the four groups of threaded rods (15) are in threaded connection with the threaded grooves (11) in the four groups of connecting rods (10).