FPC circuit board with protection structure

Abstract

The utility model belongs to the technical field of FPC circuit boards, in particular to an FPC circuit board with a protection structure, which comprises a flexible circuit board body and a flexible protection cover, connectors are fixed at two ends of the flexible circuit board body, and the flexible protection cover is fixed between the two connectors and covers the flexible circuit board body; the flexible protection mechanism comprises a flexible protection strip with a C-shaped section, a connecting groove is formed in the flexible protection strip, and the side edge of the flexible circuit board body is embedded into the connecting groove; according to the flexible circuit board, through the arrangement of the flexible protective cover and the flexible protective strip, on one hand, the flexible circuit board body can be well protected, the working safety of the flexible circuit board body is ensured, on the other hand, the toughness of the flexible circuit board body is further improved, folding use of the flexible circuit board body is not affected, and the service life of the flexible circuit board body is prolonged. And the flexible circuit board body can be effectively prevented from being folded and damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of FPC circuit boards, and particularly relates to an FPC circuit board with a protection structure. Background Art

[0002] An FPC circuit board, that is, a flexible circuit board, also known as a "flexible board", is a printed circuit made of a flexible insulating substrate. The flexible circuit provides excellent electrical performance, can meet the design requirements of smaller and higher-density installations, and also helps to reduce the assembly process and enhance reliability. The flexible circuit board can be freely bent, wound, and folded, can withstand millions of dynamic bends without damaging the wires, can be arranged arbitrarily according to the spatial layout requirements, and can move and stretch arbitrarily in three-dimensional space, so as to achieve the integration of component assembly and wire connection. The flexible circuit board can greatly reduce the volume and weight of electronic products, and meet the needs of the development of electronic products towards high density, miniaturization, and high reliability.

[0003] Currently, to ensure the safety of the FPC circuit board during operation, a series of protection structures are usually set up to protect the FPC circuit board.

[0004] For example, in the prior art, the Chinese utility model patent with the authorization announcement number of CN218735159U discloses "a flexible circuit board with a protection structure", which includes a first protection component, a connection component, a heat dissipation component, a circuit board body, and a second protection component. The connection component, the circuit board body, and the second protection component are all installed on the first protection component, and both the connection component and the circuit board body are located inside the first protection component, and the circuit board body is located inside the connection component; the heat dissipation component includes a heat dissipation block and several groups of heat dissipation wires, the heat dissipation block is installed on the outer wall of the first protection component, and several groups of the heat dissipation wires are all installed inside the first protection component.

[0005] The flexible circuit boards in the prior art including the above-mentioned ones, although they can effectively improve the safety performance and heat dissipation performance of the flexible circuit board, the protective shell affects the bending effect of the circuit board body, making the circuit board body unable to be used in the bent state.

[0006] To solve the above problems, an FPC circuit board with a protection structure is proposed in this application. Summary of the Utility Model

[0007] To solve the above problems existing in the prior art, the utility model provides an FPC circuit board with a protection structure, which has the characteristics of convenient use and good protection effect.

[0008] To achieve the above object, the present utility model provides the following technical solutions: An FPC circuit board with a protection structure, including a flexible circuit board body, connectors are fixed at both ends of the flexible circuit board body, and further includes:

[0009] A flexible protective cover, which is fixed between the two connectors and covers the flexible circuit board body;

[0010] A flexible protection mechanism, which includes a flexible protection strip with a "C"-shaped cross-section. There is a connection groove on the flexible protection strip, and the side of the flexible circuit board body is embedded in the connection groove.

[0011] As a preferred technical solution of the present utility model, the flexible protective cover is of a wavy structure.

[0012] As a preferred technical solution of the present utility model, first ventilation holes are evenly formed in the flexible protective cover.

[0013] As a preferred technical solution of the present utility model, the flexible protection strip is a silicone member, and the outer wall of the flexible circuit board body is closely attached to the inner wall of the connection groove.

[0014] As a preferred technical solution of the present utility model, it further includes:

[0015] A metal heat-conducting strip. There is an installation groove on the inner wall of the connection groove. The metal heat-conducting strip is fixed in the installation groove, and the outer wall of the flexible circuit board body is attached to the metal heat-conducting strip.

[0016] As a preferred technical solution of the present utility model, the metal heat-conducting strip is copper.

[0017] As a preferred technical solution of the present utility model, second ventilation holes communicating with the installation groove are evenly formed in the flexible protection strip.

[0018] As a preferred technical solution of the present utility model, the length of the flexible protection strip is equal to the length of the flexible circuit board body, and both ends of the flexible protection strip are respectively fixedly connected to the two connectors.

[0019] Compared with the prior art, the beneficial effects of the present utility model are:

[0020] In the present utility model, through the provided flexible protective cover and flexible protection strip, on the one hand, it can provide a better protection effect for the flexible circuit board body, ensuring the safety of the flexible circuit board body during operation. On the other hand, it further improves the toughness of the flexible circuit board body, neither affecting the folding use of the flexible circuit board body nor effectively avoiding damage to the flexible circuit board body during folding.

[0021] Other additional advantages and beneficial effects of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0023] Figure 1 is a schematic structural diagram of the present utility model;

[0024] Figure 2 is the present utility model Figure 1 an enlarged structural diagram of part A in;

[0025] Figure 3 is an axonometric structural diagram of the flexible protection strip of the present utility model;

[0026] Figure 4 is the present utility model Figure 3 an enlarged structural diagram of part B in.

[0027] In the figure: 1. Flexible circuit board body; 11. Connector; 2. Flexible protective cover; 21. First ventilation hole; 3. Flexible protection mechanism; 31. Flexible protection strip; 311. Connection groove; 312. Installation groove; 313. Second ventilation hole; 32. Metal heat conduction strip. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-4 , the present utility model provides the following technical solutions: An FPC circuit board with a protection structure includes a flexible circuit board body 1, connectors 11 are fixed at both ends of the flexible circuit board body 1, and further includes: a flexible protective cover 2 and a flexible protection mechanism 3.

[0030] Further, by Figures 1-4As shown, in this embodiment, the flexible protective cover 2 is fixed between two connectors 11 and covers the flexible circuit board body 1. The flexible protection mechanism 3 includes a flexible protection strip 31 with a "C"-shaped cross-section. There is a connection groove 311 on the flexible protection strip 31, and the side of the flexible circuit board body 1 is embedded in the connection groove 311. After adopting the above solution, during use, through the provided flexible protective cover 2 and flexible protection strip 31, on the one hand, it can provide a better protection effect for the flexible circuit board body 1, ensuring the safety of the flexible circuit board body 1 during operation. On the other hand, it further improves the toughness of the flexible circuit board body 1, neither affecting the folding use of the flexible circuit board body 1 nor effectively avoiding damage during folding, and prolonging the service life of the flexible circuit board body 1.

[0031] It should be noted that during actual use, a flexible protective cover 2 with a suitable specification can be selected according to needs. For example, when the flexible circuit board body 1 is used in an unfolded state, the flexible protective cover 2 can be installed only above the flexible circuit board body 1, as Figure 1 shown. When the flexible circuit board body 1 is used in a folded state, the flexible protective cover 2 can be installed only below the flexible circuit board body 1. After the flexible circuit board body 1 is folded, the flexible protective cover 2 can cover the flexible circuit board body 1. The flexible protective cover 2 can also be designed as a tubular structure and sleeved on the flexible circuit board body 1 for safety protection.

[0032] It should be further noted that since the flexible protective cover 2 does not directly contact the flexible circuit board body 1, it will not cause scratches in principle. The flexible circuit board body 1 can be made of a generally flexible material, such as plastic, silicone material, or rubber material.

[0033] Preferably, as Figure 1 and Figure 2 shown, in this embodiment, the flexible protective cover 2 has a wavy structure. After adopting the above solution, when folding the flexible circuit board body 1, the flexible protective cover 2 can be bent, and the problem of breakage can be effectively avoided. The wavy flexible protective cover 2 also has a certain telescopic property and is suitable for flexible circuit board bodies 1 of different lengths.

[0034] Preferably, as Figure 1 and Figure 2 shown, in this embodiment, first ventilation holes 21 are evenly formed in the flexible protective cover 2, facilitating ventilation and heat dissipation of the flexible circuit board body 1.

[0035] Preferably, as Figure 1 , Figure 3 and Figure 4As shown, in this embodiment, the flexible protective strip 31 is a silicone member, and the outer wall of the flexible circuit board body 1 is closely attached to the inner wall of the connection groove 311, improving the installation stability of the flexible protective strip 31, thereby ensuring the protection performance.

[0036] It should be noted that the flexible protective strip 31 is fixedly installed in a conventional manner, for example, adhesively bonded to the flexible circuit board body 1.

[0037] It should be further noted that since the flexible protective strip 31 is in direct contact with the flexible circuit board body 1, to avoid scratches, the flexible circuit board body 1 is preferably made of silicone or rubber material, and further preferably made of silicone material because the silicone material is more heat-resistant, corrosion-resistant, and has higher stability.

[0038] Preferably, as shown by Figure 1 、 Figure 3 and Figure 4 In this embodiment, it further includes: a metal heat-conducting strip 32. There is an installation groove 312 on the inner wall of the connection groove 311. The metal heat-conducting strip 32 is fixed in the installation groove 312, and the outer wall of the flexible circuit board body 1 is attached to the metal heat-conducting strip 32. The metal heat-conducting strip 32 can absorb the heat generated by the flexible circuit board body 1 and conduct the heat to the flexible protective strip 31.

[0039] Optionally, as shown by Figure 1 、 Figure 3 and Figure 4 In this embodiment, the metal heat-conducting strip 32 is copper, which has good heat-conducting effect.

[0040] Preferably, as shown by Figure 1 、 Figure 3 and Figure 4 In this embodiment, second air holes 313 communicating with the installation groove 312 are uniformly formed in the flexible protective strip 31, facilitating ventilation and heat dissipation of the flexible circuit board body 1.

[0041] Preferably, as shown by Figure 1 、 Figure 3 and Figure 4 In this embodiment, the length of the flexible protective strip 31 is equal to the length of the flexible circuit board body 1, and both ends of the flexible protective strip 31 are fixedly connected to two connectors 11 respectively. Both ends of the flexible protective strip 31 are fixedly installed with the two connectors 11 in a conventional manner, for example, adhesively bonded and fixed, with high stability and good protection effect.

[0042] Components not described in detail herein are prior art.

[0043] Working principle and usage process of the present utility model: For the flexible circuit board body 1 of the present utility model, through the provided flexible protective cover 2 and flexible protective strip 31, on the one hand, it can provide a better protection effect for the flexible circuit board body 1, ensuring the safety of the flexible circuit board body 1 during operation. On the other hand, it further enhances the toughness of the flexible circuit board body 1, neither affecting the folding use of the flexible circuit board body 1 nor effectively avoiding damage during folding, thus extending the service life of the flexible circuit board body 1;

[0044] The settings of the first ventilation hole 21, the second ventilation hole 313, and the metal heat conduction strip 32 can help the flexible circuit board body 1 ventilate and dissipate heat, ensuring the working performance of the flexible circuit board body 1.

[0045] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An FPC circuit board with a protection structure, comprising a flexible circuit board body (1), and connectors (11) are fixed at both ends of the flexible circuit board body (1), characterized in that, Further comprising: A flexible protective cover (2), which is fixed between the two connectors (11) and covers the flexible circuit board body (1); A flexible protection mechanism (3), the flexible protection mechanism (3) includes a flexible protection strip (31) with a "C"-shaped cross-section, and a connection groove (311) is provided on the flexible protection strip (31), and the side of the flexible circuit board body (1) is embedded in the connection groove (311).

2. The FPC circuit board with a protection structure according to claim 1, wherein: The flexible protective cover (2) is of a wavy structure.

3. The FPC circuit board with a protection structure according to claim 1, characterized in that: First ventilation holes (21) are evenly formed in the flexible protective cover (2).

4. A flexible printed circuit (FPC) board with a protection structure according to claim 1, characterized in that: The flexible protection strip (31) is a silicone member, and the outer wall of the flexible circuit board body (1) is closely attached to the inner wall of the connection groove (311).

5. The FPC circuit board with a protection structure according to claim 1, wherein: Further comprising: A metal heat conduction strip (32), an installation groove (312) is provided on the inner wall of the connection groove (311), the metal heat conduction strip (32) is fixed in the installation groove (312), and the outer wall of the flexible circuit board body (1) is attached to the metal heat conduction strip (32).

6. The FPC circuit board with a protection structure according to claim 5, characterized in that: The metal heat conduction strip (32) is made of copper.

7. The FPC circuit board with a protection structure according to claim 5, wherein: Second ventilation holes (313) communicating with the installation groove (312) are evenly formed in the flexible protection strip (31).

8. A flexible printed circuit (FPC) board with a protective structure according to claim 1, characterized in that: The length of the flexible protection strip (31) is equal to the length of the flexible circuit board body (1), and both ends of the flexible protection strip (31) are fixedly connected to the two connectors (11) respectively.

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