Flexible circuit board based on local reinforcing structure

Abstract

The utility model discloses a flexible circuit board based on a local reinforcement structure, which comprises a support mechanism, an insulating layer, a power supply layer, a connecting mechanism, a connecting layer and a bonding pad, the support mechanism comprises an insulating sleeve, a substrate, a circuit layer and a reinforcement layer, the insulating sleeve is sleeved on the substrate, and the circuit layer is etched on the substrate. Compared with the prior art, deformation, bending and extrusion can be effectively resisted through local arrangement of the reinforcing layer, the service life is prolonged, meanwhile, the supporting mechanism and external conductive parts are effectively isolated through arrangement of the insulating sleeve, normal operation of a circuit is guaranteed, and the service life of the circuit is prolonged. In addition, the connecting mechanism adopts the combination of a sleeve, a first threaded sleeve and a second threaded sleeve, and through threaded fit connection, the circuit board and other parts can be quickly mounted and dismounted conveniently, so that not only is the assembly efficiency improved, but also the connection firmness is ensured, the equipment is not easy to loosen or fall off in the use process, and the service life of the equipment is prolonged. And the stability of electrical connection is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to flexible circuit board technical field especially relates to a flexible circuit board based on local reinforcing structure. BACKGROUND

[0002] With the development of electronic equipment to miniaturization, light weight and multifunction, flexible circuit board (FPC) is more and more widely used in electronic products. However, flexible circuit board is prone to line breakage, pad drop and other problems in some parts that need to bear local stress, frequent bending or connect heavy components, which affects its reliability and service life. The traditional flexible circuit board reinforcing method is usually reinforcing on the whole circuit board surface or larger area, which not only increases the material cost and the overall thickness of the circuit board, but also may affect the flexibility of the circuit board, limiting its application in some occasions with high requirements for space and flexibility. Therefore, we propose a flexible circuit board based on local reinforcing structure. SUMMARY

[0003] The utility model discloses a flexible circuit board based on local reinforcing structure, which solves the problems in the prior art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A flexible circuit board based on local reinforcing structure, comprising a support mechanism, an insulating layer, a power supply layer, a connecting mechanism, a connecting layer and a solder pad, the support mechanism comprises an insulating sleeve, a substrate, a circuit layer and a reinforcing layer, the insulating sleeve is sleeved on the substrate, the circuit layer is etched on the substrate, the reinforcing layer is locally fixed inside the substrate, the insulating layer is installed on one side of the support mechanism, the power supply layer is installed on the side of the insulating layer away from the support mechanism, the connecting layer is installed on the side of the support mechanism away from the power supply layer, and the solder pad is installed on the connecting layer.

[0006] Preferably, the connecting mechanism comprises a sleeve, a first threaded sleeve and a second threaded sleeve, the sleeve is fixed on the support mechanism, the sleeve penetrates the insulating layer, the power supply layer and the connecting layer, and the first threaded sleeve and the second threaded sleeve are respectively connected at both ends of the sleeve through threads.

[0007] Preferably, the insulating layer and the power supply layer are locked on one side of the support mechanism through the cooperation of the sleeve and the first threaded sleeve, and the connecting layer is locked on the other side of the support mechanism through the cooperation of the sleeve and the second threaded sleeve.

[0008] Preferably, the power supply layer and the circuit layer are electrically isolated through the insulating layer, and the power supply layer can provide stable power supply for the circuit layer while reducing the interference of power supply signals on circuit signals.

[0009] Preferably, the number of the soldering pads is several groups, and the several groups of the soldering pads are located on the side of the connecting layer and symmetrically distributed.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a reinforcing layer is set up locally, and the mechanical strength of the specific area of the flexible circuit board is improved in pertinence, when facing the complex installation environment or being subjected to external force, the reinforcing area can effectively resist deformation, bending and extrusion, prolongs its service life, and the setting of the insulating sleeve effectively isolates the support mechanism and external conductive parts, prevents circuit short circuit and other problems, guarantees the normal operation of the circuit, in addition, the combination of sleeve, first threaded sleeve and second threaded sleeve is adopted to the connecting mechanism, is connected through the screw thread cooperation, and the circuit board and other components are conveniently installed and disassembled quickly, not only improves the assembly efficiency, but also guarantees the firmness of connection, and the equipment is not easy to appear loose or fall off in the use process, ensures the stability of electrical connection. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A structure diagram of a flexible circuit board based on a local reinforcing structure is provided for the utility model.

[0013] Figure 2 For Figure 1 The cross-sectional view of the support mechanism.

[0014] Figure 3 For Figure 2 The installation schematic view of the base plate.

[0015] In the drawing: 1 support mechanism, 11 insulating sleeve, 12 base plate, 13 circuit layer, 14 reinforcing layer, 2 insulating layer, 3 power supply layer, 4 connecting mechanism, 41 sleeve, 42 first threaded sleeve, 43 second threaded sleeve, 5 connecting layer, 6 soldering pad. DETAILED DESCRIPTION

[0016] The technical scheme in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments, and obviously, the described embodiments only are a part of the embodiments of the utility model, and not all the embodiments.

[0017] Referring to Figures 1-3The utility model provides a kind of flexible circuit board based on local reinforcing structure, including support mechanism 1, insulating layer 2, power supply layer 3, connecting mechanism 4, connecting layer 5 and pad 6, support mechanism 1 includes insulating sleeve 11, substrate 12, circuit layer 13 and reinforcing layer 14, insulating sleeve 11 is sleeved on substrate 12, circuit layer 13 is etched on substrate 12, reinforcing layer 14 is partially fixed inside substrate 12, insulating layer 2 is installed in the side of support mechanism 1, power supply layer 3 is installed in the side of insulating layer 2 away from support mechanism 1, connecting layer 5 is installed in the side of support mechanism 1 away from power supply layer 3, power supply layer 3 is electrically isolated between circuit layer 13 by insulating layer 2, and power supply layer 3 can provide stable power supply for circuit layer 13, while reducing the interference of power supply signal to circuit signal, connecting mechanism 4 includes sleeve 41, first threaded sleeve 42 and second threaded sleeve 43, sleeve 41 is fixed on support mechanism 1, sleeve 41 penetrates insulating layer 2, power supply layer 3 and connecting layer 5, first threaded sleeve 42 and second threaded sleeve 43 are respectively connected by thread in the both ends of sleeve 41, insulating layer 2 and power supply layer 3 are locked in the side of support mechanism 1 by the cooperation of sleeve 41 and first threaded sleeve 42, connecting layer 5 is locked in the other side of support mechanism 1 by the cooperation of sleeve 41 and second threaded sleeve 43, pad 6 is installed on connecting layer 5, the number of pad 6 is several groups, several groups of pad 6 are located on the side of connecting layer 5 and symmetrically distributed, by setting through local reinforcing layer, the mechanical strength of specific area of flexible circuit board is improved, when facing complex installation environment or being subjected to external force, reinforcing area can effectively resist deformation, bending and extrusion, prolong its service life, while the setting of insulating sleeve effectively isolates support mechanism and external conductive component, prevents circuit short circuit and other problems, guarantees the normal operation of circuit, in addition, connecting mechanism adopts the combination of sleeve, first threaded sleeve and second threaded sleeve, is connected by thread cooperation, facilitate circuit board and other components are quickly installed and disassembled.This connection mode not only improves assembly efficiency, but also guarantees the firmness of connection, not prone to loose or fall off during the use of equipment, ensure the stability of electrical connection.

[0018] In the device, the power supply layer 3 serves as the source of power supply, stores and transmits electric energy, after the equipment is powered on, the power supply 3 is electrically isolated from the circuit layer 13 through the insulating layer 2, and ensures that the current can be stably transmitted to the circuit layer 13, various circuit elements and lines are arranged on the circuit layer 13, which is responsible for processing and transmitting various electrical signals. The insulating layer 2 effectively prevents electrical interference between the power supply layer 3 and the circuit layer 13, ensuring the stability of power supply and signal transmission, the base plate 12 in the support mechanism 1 provides basic mechanical support for the entire circuit board, the insulating layer 2 surrounds the base plate 12, not only plays an insulating role, but also plays a certain protective role for the base plate 12 and the circuit layer 13, preventing external conductive objects from contacting the internal circuit, the locally arranged reinforcing layer 14 enhances the mechanical strength of the specific area of the flexible circuit board according to the actual demand, when subjected to external force, it can effectively disperse stress and protect the circuit board from damage, the connecting mechanism 4 adopts the combination of the sleeve 41, the first threaded sleeve 42 and the second threaded sleeve 43, which is connected through threaded connection, facilitating quick installation and disassembly of the circuit board and other components.

[0019] In summary, compared with the prior art, the flexible circuit board is provided with a reinforcing layer, the mechanical strength of the specific area of the flexible circuit board is improved, and the reinforcing area can effectively resist deformation, bending and extrusion when facing complex installation environment or external force, thereby prolonging the service life. At the same time, the insulating sleeve effectively isolates the support mechanism from the external conductive component, prevents circuit short circuit and other problems, ensures the normal operation of the circuit, and the connecting mechanism adopts the combination of the sleeve, the first threaded sleeve and the second threaded sleeve, which is connected through threaded connection, facilitating quick installation and disassembly of the circuit board and other components. This connection method not only improves the assembly efficiency, but also ensures the firmness of the connection, and the device is not easy to loosen or fall off during use, thereby ensuring the stability of the electrical connection.

[0020] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A flexible circuit board based on local reinforcement structure comprising a support mechanism (1), an insulating layer (2), a power layer (3), a connecting mechanism (4), a connecting layer (5) and a solder pad (6), characterized in that, The support mechanism (1) comprises an insulating sleeve (11), a substrate (12), a circuit layer (13) and a reinforcing layer (14), the insulating sleeve (11) is sleeved on the substrate (12), the circuit layer (13) is etched on the substrate (12), the reinforcing layer (14) is partially fixed inside the substrate (12), the insulating layer (2) is installed on one side of the support mechanism (1), the power supply layer (3) is installed on the side of the insulating layer (2) away from the support mechanism (1), the connecting layer (5) is installed on the side of the support mechanism (1) away from the power supply layer (3), and the solder pad (6) is installed on the connecting layer (5).

2. The flexible wiring board based on a local reinforcement structure according to claim 1, wherein, The connecting mechanism (4) comprises a sleeve (41), a first threaded sleeve (42) and a second threaded sleeve (43), the sleeve (41) is fixed on the support mechanism (1), the sleeve (41) penetrates the insulating layer (2), the power supply layer (3) and the connecting layer (5), and the first threaded sleeve (42) and the second threaded sleeve (43) are respectively screwed on both ends of the sleeve (41).

3. The flexible wiring board based on a local reinforcement structure according to claim 2, wherein, The insulating layer (2) and the power supply layer (3) are locked on one side of the support mechanism (1) by cooperation of the sleeve (41) and the first threaded sleeve (42), and the connecting layer (5) is locked on the other side of the support mechanism (1) by cooperation of the sleeve (41) and the second threaded sleeve (43).

4. The flexible wiring board based on a local reinforcement structure according to claim 1, wherein, The power supply layer (3) and the circuit layer (13) are electrically isolated by the insulating layer (2), and the power supply layer (3) can provide stable power supply for the circuit layer (13) and reduce the interference of the power supply signal on the circuit signal.

5. The flexible wiring board based on a local reinforcement structure according to claim 1, wherein, The number of the solder pads (6) is several groups, and the several groups of the solder pads (6) are located on the side of the connecting layer (5) and are symmetrically distributed.

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