Rigid-flexible circuit board

Abstract

The utility model discloses a rigid-flexible combined circuit board, which relates to the technical field of circuit boards, and comprises a hard substrate and a soft substrate, the outer side of the hard substrate is fixedly connected with a metal shielding cover through a fixing block, and the side surface of the hard substrate is provided with a conduction wire board above the soft substrate. The bottom end of the conduction wire board is fixedly connected with a shielding board through a first screw, and the bottom of the shielding board is movably connected with a movable board. The conduction wire board is installed on the side face of the hard substrate through a soldering tin block, the shielding board is installed at the bottom end of the conduction wire board through the first screw, and a metal strip and an energy storage board are arranged on the inner side of the movable board in the shielding board. The energy storage plate is matched with the metal strip, static electricity on the substrate can be absorbed, the inner side of the through groove formed in the side face of the shielding plate is clamped with the insulating base plate, the insulating base plate can prevent electrical components from making direct contact with the shielding plate, meanwhile, the movable plate on the inner side of the shielding plate is made of rubber, and it can be avoided that the shielding plate is electrified due to direct contact between the upper portion and the lower portion of the shielding plate and the machine shell.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a rigid-flexible circuit board. Background Art

[0002] Circuit boards are indispensable in almost all electronic devices we can see, from small electronic watches, calculators, general-purpose computers to large electronic components such as computer communication electronic equipment. The electrical interconnection between them requires circuit boards, which can be called printed circuit boards or printed circuit boards. The birth and development of FPC circuit boards and rigid-flex boards have given rise to a new product, rigid-flex boards. Therefore, rigid-flex boards are flexible circuit boards and rigid circuit boards, which are combined together through lamination and other processes according to relevant process requirements to form circuit boards with FPC characteristics and PCB characteristics.

[0003] After searching, a rigid-flexible shielded circuit board with publication number CN202121532313.3 includes a circuit layer and a reinforced insulation layer, the circuit layer includes an inner interlayer and an outer interlayer, and dielectric layers are provided on both the upper and lower surfaces of one side of the inner interlayer, and the reinforced insulation layer is arranged on the upper and lower surfaces of the other side of the inner interlayer, and one end of the reinforced insulation layer is inserted between the inner interlayer and the dielectric layer, and the outer interlayer is arranged on the outer surface of the dielectric layer, and a solder resist layer is provided on the outer surface of the outer interlayer. The present application divides the circuit layer into an inner interlayer and an outer interlayer, and forms a conventional rigid PCB with one side of the inner interlayer, the outer interlayer, the dielectric layer and the solder resist layer, and the other side and the reinforced insulation layer form an extended area, so as to achieve the purpose of expanding the circuit wiring area. Existing rigid-flexible circuit boards are generally installed in equipment, and some circuit boards are connected to sensitive components on the top. The circuit boards are prone to accumulate static electricity in the equipment and cannot shield the static electricity, which in turn affects the stability of the sensitive components. Utility Model Content

[0004] The purpose of the utility model is to provide a rigid-flexible circuit board to solve the problem that the existing rigid-flexible circuit boards are generally installed in equipment, and some circuit boards have sensitive components connected to the top, so that the circuit boards are prone to accumulate static electricity in the equipment and cannot shield the static electricity, which in turn affects the stability of the sensitive components.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rigid-flexible circuit board, comprising a hard substrate and a soft substrate, the outer side of the hard substrate is fixedly connected to a metal shielding cover via a fixing block, and the side of the hard substrate is provided with a conductive line board located above the soft substrate, the bottom end of the conductive line board is fixedly connected to a shielding plate via a screw, the bottom of the shielding plate is movably connected to a movable plate, a slot is provided at the bottom of the side of the movable plate, and a metal strip is fixedly connected to the side of the movable plate.

[0006] As a preferred technical solution of the utility model, the conductive line plate is fixedly connected to the top end of the conductive line plate through a solder block.

[0007] As a preferred technical solution of the utility model, a slide groove is provided at the bottom of the shielding plate, a positioning plate is provided inside the slide groove, and the positioning plate is clamped to the inner side of the clamping groove on the side of the movable plate.

[0008] As a preferred technical solution of the utility model, a connection hole is provided on the top of the movable plate, and a second screw located on the top of the shielding plate is threadedly connected to the inner side of the connection hole.

[0009] As a preferred technical solution of the utility model, an opening pattern is provided on the right side of the bottom of the movable plate.

[0010] As a preferred technical solution of the utility model, an insulating pad is provided on the side of the shielding plate, and the insulating pad is made of rubber.

[0011] As a preferred technical solution of the utility model, an energy storage plate is fixedly connected to the top of the movable plate, and the energy storage plate is electrically connected to the metal strip; a metal shielding cover is provided on the outside of the hard substrate and the soft substrate, and the metal shielding cover can eliminate a certain amount of static interference, and a conductive line board is installed on the side of the hard substrate through a solder block, and a shielding plate is installed on the bottom of the conductive line board through a screw, and a metal strip and an energy storage plate are provided on the inner side of the movable plate inside the shielding plate, and the energy storage plate and the metal strip cooperate to absorb static electricity on the substrate.

[0012] As a preferred technical solution of the present utility model, a mounting plate is fixedly connected to the top side of the shielding plate, and the number of the mounting plates is two.

[0013] As a preferred technical solution of the utility model, a through groove is provided on the top of the shielding plate, and the inner side of the through groove is clamped with the insulating pad; the inner side of the through groove provided on the side of the shielding plate is clamped with the insulating pad, and the insulating pad can prevent the electrical components from directly contacting the shielding plate. At the same time, the movable plate on the inner side of the shielding plate is also made of rubber material, which can prevent the shielding plate from directly contacting the casing from the top and bottom, causing it to be electrified.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model has a metal shielding cover provided on the outer sides of a hard substrate and a soft substrate, the metal shielding cover can eliminate interference of a certain amount of static electricity, and a conductive line board is installed on the side of the hard substrate through a solder block, and a shielding plate is installed on the bottom end of the conductive line board through a screw, and a metal strip and an energy storage plate are provided on the inner side of a movable plate in the shielding plate, and the energy storage plate and the metal strip cooperate to absorb static electricity on the substrate, and an insulating pad is clamped on the inner side of a through groove provided on the side of the shielding plate, and the insulating pad can prevent electrical components from directly contacting the shielding plate, and the movable plate on the inner side of the shielding plate is also made of rubber material, which can prevent the shielding plate from directly contacting the upper and lower parts of the housing and causing it to be charged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the structural front view of the utility model;

[0017] Figure 2 It is a partial front view of the structure of the utility model;

[0018] Figure 3 This is a top view of the movable plate of the utility model;

[0019] Figure 4 This is a bottom view of the structural movable plate of the utility model.

[0020] In the figure: 1. hard substrate; 2. soft substrate; 3. fixing block; 4. metal shielding cover; 5. solder block; 6. conductive line board; 7. screw one; 8. shielding plate; 9. mounting plate; 10. screw two; 11. movable plate; 12. insulating pad; 13. metal strip; 14. slot; 15. connecting hole; 16. opening pattern; 17. energy storage plate; 18. through slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a rigid-flexible circuit board, including a hard substrate 1 and a soft substrate 2, the outer side of the hard substrate 1 is fixedly connected with a metal shielding cover 4 through a fixing block 3, and the side of the hard substrate 1 is located above the soft substrate 2 and is provided with a conductive line board 6, the bottom end of the conductive line board 6 is fixedly connected with a shielding plate 8 through a screw 7, the bottom of the shielding plate 8 is movably connected with a movable plate 11, the bottom of the side of the movable plate 11 is provided with a card slot 14, and the side of the movable plate 11 is fixedly connected with a metal strip 13.

[0023] In summary, the metal shielding cover 4 provided on the outside of the hard substrate 1 and the soft substrate 2 can eliminate certain static interference, and the conductive wire board 6 is installed on the side of the hard substrate 1 through the solder block 5, and the shielding plate 8 is installed on the bottom of the conductive wire board 6 through the screw 7. The inner side of the movable plate 11 in the shielding plate 8 is provided with a metal strip 13 and an energy storage plate 17. The energy storage plate 17 and the metal strip 13 cooperate to absorb the static electricity on the substrate. The insulating pad 12 is clamped on the inner side of the through groove 18 opened on the side of the shielding plate 8. The insulating pad 12 can prevent the electrical components from directly contacting the shielding plate 8. At the same time, the movable plate 11 on the inner side of the shielding plate 8 is also made of rubber material, which can prevent the shielding plate 8 from directly contacting the casing from top to bottom and causing it to be charged. This solves the problem that the existing rigid-flexible circuit boards are generally installed in the equipment, and some circuit boards are connected to sensitive components on the top. The circuit boards are prone to accumulate static electricity in the equipment and cannot shield the static electricity, which in turn affects the stability of the sensitive components.

[0024] The conductive line board 6 is fixedly connected to the top of the conductive line board 6 through the solder block 5. A slide groove is provided at the bottom of the shielding plate 8, and a positioning plate is provided on the inner side of the slide groove. The positioning plate is clamped on the inner side of the slot 14 on the side of the movable plate 11. A connecting hole 15 is provided on the top of the movable plate 11, and a screw 10 located on the top of the shielding plate 8 is threadedly connected to the inner side of the connecting hole 15.

[0025] An opening groove 16 is provided on the right side of the bottom of the movable plate 11, and an insulating pad 12 is provided on the side of the shielding plate 8. The insulating pad 12 is made of rubber. The top of the movable plate 11 is fixedly connected to an energy storage plate 17, and the energy storage plate 17 is electrically connected to the metal strip 13. The top side of the shielding plate 8 is fixedly connected to a mounting plate 9, and the number of mounting plates 9 is two. A through groove 18 is provided on the top of the shielding plate 8, and the inner side of the through groove 18 is clamped with the insulating pad 12. The inner side of the through groove 18 provided on the side of the shielding plate 8 is clamped with the insulating pad 12. The insulating pad 12 can prevent electrical components from directly contacting the shielding plate 8. At the same time, the movable plate 11 inside the shielding plate 8 is also made of rubber, which can prevent the shielding plate 8 from directly contacting the casing up and down and causing it to be charged.

[0026] During specific use, first, the metal shielding cover 4 is installed on the hard substrate 1 through the fixing block 3. The metal shielding cover 4 is provided on the outside of the hard substrate 1 and the soft substrate 2. The metal shielding cover 4 can eliminate certain static interference, and the conductive wire board 6 is installed on the side of the hard substrate 1 through the solder block 5. The shielding plate 8 is installed on the bottom of the conductive wire board 6 through the screw 7. The inner side of the movable plate 11 inside the shielding plate 8 is provided with a metal strip 13 and an energy storage plate 17. The energy storage plate 17 and the metal strip 13 cooperate to absorb the static electricity on the substrate. The insulating pad 12 is clamped on the inner side of the through groove 18 opened on the side of the shielding plate 8. The insulating pad 12 can prevent the electrical components from directly contacting the shielding plate 8. At the same time, the movable plate 11 inside the shielding plate 8 is also made of rubber, which can prevent the shielding plate 8 from directly contacting the casing up and down and causing it to be charged.

[0027] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

Claims

1. A rigid-flexible circuit board, comprising a rigid substrate (1) and a flexible substrate (2), characterized in that: The outer side of the hard substrate (1) is fixedly connected to a metal shielding cover (4) via a fixing block (3), and a conductive line plate (6) is provided on the side of the hard substrate (1) located above the soft substrate (2), the bottom end of the conductive line plate (6) is fixedly connected to a shielding plate (8) via a screw (7), the bottom of the shielding plate (8) is movably connected to a movable plate (11), a slot (14) is provided at the bottom of the side of the movable plate (11), and a metal strip (13) is fixedly connected to the side of the movable plate (11).

2. The rigid-flexible circuit board according to claim 1, characterized in that: The conductive line plate (6) is fixedly connected to the top end of the conductive line plate (6) via a solder block (5).

3. The rigid-flexible circuit board according to claim 1, characterized in that: The bottom of the shielding plate (8) is provided with a slide groove, the inner side of the slide groove is provided with a positioning plate, and the positioning plate is clamped to the inner side of the clamping groove (14) on the side of the movable plate (11).

4. The rigid-flexible circuit board according to claim 1, characterized in that: A connection hole (15) is provided at the top of the movable plate (11), and a second screw (10) located at the top of the shielding plate (8) is threadedly connected to the inner side of the connection hole (15).

5. The rigid-flexible circuit board according to claim 1, characterized in that: An opening pattern (16) is provided on the right side of the bottom of the movable plate (11).

6. The rigid-flexible circuit board according to claim 1, characterized in that: An insulating pad (12) is provided on the side of the shielding plate (8), and the insulating pad (12) is made of rubber.

7. The rigid-flexible circuit board according to claim 1, characterized in that: An energy storage plate (17) is fixedly connected to the top of the movable plate (11), and the energy storage plate (17) is electrically connected to the metal strip (13).

8. The rigid-flexible circuit board according to claim 1, characterized in that: A mounting plate (9) is fixedly connected to the top side of the shielding plate (8), and the number of the mounting plates (9) is two.

9. The rigid-flexible circuit board according to claim 1, characterized in that: A through slot (18) is provided on the top of the shielding plate (8), and the inner side of the through slot (18) is clamped with the insulating pad (12).

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