Flexible circuit board assembly

Abstract

The flexible circuit board assembly provided by the utility model comprises a flexible circuit board, terminals, a rear plug and a sheath, the rear plug is provided with a plurality of accommodating holes for the terminals to pass through, and the middle parts of the terminals pass through the accommodating holes and are positioned through the accommodating holes, so that the terminals are arranged in a separated manner. One end of the terminal is connected with the flexible circuit board, and the other end of the terminal is sleeved in the sheath. The flexible circuit board assembly provided by the utility model has the advantages of high positioning precision and simple structure.

Description

Technical Field

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

[0002] The main structure of the existing terminal connector includes an FPC, terminals and a sheath. Generally, the terminals of the connector are connected to the FPC by welding, and the connected terminals and FPC are connected to the sheath. Since the number of terminals is multiple, the sheath cannot position the terminals, resulting in deviation of the positions of the terminals and low positioning accuracy, which cannot meet the existing production requirements.

[0003] Therefore, there is an urgent need for a flexible circuit board assembly to solve the above problems. Summary of the Utility Model

[0004] The technical problem solved by the utility model is to provide a flexible circuit board assembly with high positioning accuracy and simple structure.

[0005] To solve the above technical problem, the flexible circuit board assembly provided by the utility model includes a flexible circuit board, terminals, a rear plug and a sheath. A plurality of receiving holes for the terminals to pass through are formed in the rear plug. The middle part of the terminal passes through the receiving hole and is positioned by the receiving hole, so that the terminals are arranged in a separated manner. One end of the terminal is connected to the flexible circuit board, and the other end of the terminal is sleeved inside the sheath.

[0006] Preferably, the rear plug includes a bearing platform and a positioning part. The positioning part extends outward from the bearing platform. The positioning part has a gantry structure, and the receiving hole is formed between the positioning part and the bearing platform.

[0007] Specifically, the positioning parts are arranged at intervals along the length direction of the bearing platform.

[0008] Specifically, the terminal includes a terminal body, a limiting part and a connecting part. One end of the terminal body is connected to the connecting part, and the other end of the terminal body is connected to the limiting part.

[0009] Specifically, the limiting part protrudes outward from the terminal body. When the terminal is installed on the rear plug, the limiting part abuts against the outer side of the positioning part to limit the movement of the limiting part relative to the positioning part in the direction of the connecting part.

[0010] Specifically, a convex structure that can abut against the inner wall of the positioning part is formed by the terminal body extending outward.

[0011] Specifically, a plurality of the convex structures are provided and arranged on the terminal body in an array.

[0012] Specifically, the connecting part includes a connecting bottom plate and an upper pressing plate. The upper pressing plate is located above the connecting bottom plate. The upper pressing plate is connected to the terminal body, and the connecting bottom plate is connected to the terminal body. A connecting gap for inserting the flexible circuit board is formed between the connecting bottom plate and the upper pressing plate.

[0013] Specifically, the upper pressing plate includes a plurality of arc-shaped pressing plate segments connected to each other. The arc-shaped pressing plate segments are connected head to tail to form a pressing plate structure with a wavy cross-section.

[0014] Specifically, the positioning parts are arranged on both sides along the width direction of the bearing platform.

[0015] Compared with the prior art, the flexible circuit board assembly of the present invention combines a flexible circuit board, terminals, a rear plug, a sheath, etc. A plurality of accommodation holes for the terminals to pass through are formed in the rear plug. The middle part of the terminal passes through the accommodation hole and is positioned by the accommodation hole, so that the terminals are arranged in a separated manner. One end of the terminal is connected to the flexible circuit board, and the other end of the terminal is sleeved inside the sheath. Due to the provision of the rear plug, the accommodation holes arranged at intervals in the rear plug can accommodate the terminals at intervals, so that the terminals are arranged at intervals, effectively improving the position accuracy of the terminals. The flexible circuit board assembly of the present invention has the advantages of high positioning accuracy and simple structure. Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the flexible circuit board assembly provided by the present invention;

[0017] Figure 2 is another three-dimensional structural schematic diagram of the flexible circuit board assembly provided by the present invention;

[0018] Figure 3 is another three-dimensional structural schematic diagram of the flexible circuit board assembly provided by the present invention;

[0019] Figure 4 is Figure 3 the partial enlarged view at A in

[0020] Figure 5 is another three-dimensional structural schematic diagram of the flexible circuit board assembly provided by the present invention;

[0021] Figure 6 is Figure 5 the partial enlarged view at B in

[0022] Figure 7 is another three-dimensional structural schematic diagram of the flexible circuit board assembly provided by the present invention;

[0023] Figure 8 isFigure 5 Partial enlarged view at position C in the figure;

[0024] Figure 9 It is a partial enlarged view of the flexible printed circuit board assembly provided by the present utility model.

[0025] Figure 10 It is a three-dimensional structural schematic diagram of the terminal provided by the present utility model. Specific embodiments

[0026] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Please refer to Figures 1 to 9 , the flexible printed circuit board assembly 100 of the present utility model includes a flexible printed circuit board 1, a terminal 2, a rear plug 3 and a sheath 4. A plurality of receiving holes 31 for the terminal 2 to pass through are formed in the rear plug 3. The middle part of the terminal 2 passes through the receiving hole 31 and is positioned by the receiving hole 31. The receiving holes 31 are arranged at equal intervals, so that the terminals 2 are arranged in a separated manner. One end of the terminal 2 is connected to the flexible printed circuit board 1, and the other end of the terminal 2 is sleeved inside the sheath 4. The rear plug 3 is installed inside the sheath 4. Due to the provision of the rear plug 3, the receiving holes 31 arranged at intervals in the rear plug 3 can receive the terminals 2 at intervals, so that the terminals 2 are arranged at intervals, effectively improving the position accuracy of the terminals 2, facilitating the connection of one end of the terminal 2 to the flexible printed circuit board 1, and the other end of the terminal 2 is also convenient to be sleeved inside the sheath 4. The flexible printed circuit board assembly 100 of the present utility model has the advantages of high positioning accuracy and simple structure. More specifically, as follows:

[0028] Please refer to Figures 8 to 9 , the rear plug 3 includes a bearing platform 32 and a positioning portion 33. The positioning portion 33 extends outward from the bearing platform 32. The positioning portion 33 has a gantry structure. An accommodation hole 31 is formed between the positioning portion 33 and the bearing platform 32. The positioning portion 33 and the bearing platform 32 enclose the accommodation hole 31. Specifically, the positioning portions 33 are arranged at intervals along the length direction of the bearing platform 32, and the positioning portions 33 are arranged on both sides along the width direction of the bearing platform 32.

[0029] Please refer to Figures 4 to 9 , the terminal 2 includes a terminal body 21, a limiting portion 22 and a connecting portion 23. One end of the terminal body 21 is connected to the connecting portion 23, and the other end of the terminal body 21 is connected to the limiting portion 22. The limiting portion 22 protrudes outward from the terminal body 21. When the terminal 2 is installed on the rear plug 3, the limiting portion 22 abuts against the outside of the positioning portion 33 to limit the movement of the limiting portion 22 relative to the positioning portion 33 in the direction of the connecting portion 23. When the terminal 2 is installed on the rear plug 3, the terminal 2 is directly inserted into the rear plug 3, and when the limiting portion 22 abuts against the positioning portion 33, the relative sliding of the two can be restricted.

[0030] Please refer to Figures 4 to 10 , a convex structure 211 extending outward from the terminal body 21 is formed to abut against the inner wall of the positioning portion 33. Preferably, a plurality of convex structures 211 are provided and arranged on the terminal body 21, but it is not limited thereto.

[0031] Please refer to Figure 9 , the connecting portion 23 includes a connecting bottom plate 231 and an upper pressing plate 232. The upper pressing plate 232 is located above the connecting bottom plate 231. The upper pressing plate 232 is connected to the terminal body 21, and the connecting bottom plate 231 is connected to the terminal body 21. A connecting gap 24 for inserting the flexible circuit board 1 is formed between the connecting bottom plate 231 and the upper pressing plate 232. The flexible circuit board 1 is inserted into the connecting gap 24 to achieve assembly. Specifically, the upper pressing plate 232 includes a plurality of arc-shaped pressing plate segments 2321 connected to each other, and the arc-shaped pressing plate segments 2321 are connected head to tail to form a pressing plate structure with a wavy cross-section.

[0032] By combining the flexible circuit board 1, the terminal 2, the rear plug 3, the sheath 4, etc. together, a plurality of receiving holes 31 for the terminal 2 to pass through are formed in the rear plug 3. The middle part of the terminal 2 passes through the receiving holes 31 and is positioned by the receiving holes 31 so that the terminals 2 are arranged in a separated manner. One end of the terminal 2 is connected to the flexible circuit board 1, and the other end of the terminal 2 is sleeved inside the sheath 4. Due to the provision of the rear plug 3, the receiving holes 31 spaced apart in the rear plug 3 can receive the terminals 2 in a spaced-apart manner so that the terminals 2 are arranged in a spaced-apart manner, effectively improving the position accuracy of the terminals 2. The flexible circuit board assembly 100 of the present invention has the advantages of high positioning accuracy and simple structure.

[0033] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A flexible circuit board assembly, characterized in that: It includes a flexible circuit board, a terminal, a back plug and a sheath. The back plug is provided with a plurality of accommodating holes for the terminals to pass through. The middle part of the terminal is passed through the accommodating hole and positioned by the accommodating hole so that the terminals are arranged in a separated manner. One end of the terminal is connected to the flexible circuit board, and the other end of the terminal is sheathed in the sheath.

2. The flexible circuit board assembly according to claim 1, characterized in that: The rear plug includes a bearing platform and a positioning portion, wherein the positioning portion is formed by extending outward from the bearing platform, and the positioning portion is in a gantry structure, and the accommodating hole is formed between the positioning portion and the bearing platform.

3. The flexible circuit board assembly according to claim 2, characterized in that: The positioning portions are arranged at intervals along the length direction of the carrying platform.

4. The flexible circuit board assembly according to claim 2, characterized in that: The terminal comprises a terminal body, a limiting portion and a connecting portion, one end of the terminal body is connected to the connecting portion, and the other end of the terminal body is connected to the limiting portion.

5. The flexible circuit board assembly according to claim 4, characterized in that: The limiting portion is formed by protruding outward from the terminal body. When the terminal is installed on the rear plug, the limiting portion abuts against the outer side of the positioning portion to limit the movement of the limiting portion relative to the positioning portion toward the connecting portion.

6. The flexible circuit board assembly according to claim 4, characterized in that: The terminal body extends outward to form a protruding structure that can abut against the inner wall of the positioning portion.

7. The flexible circuit board assembly according to claim 6, characterized in that: The protrusion structures are provided in plurality and arranged in an array on the terminal body.

8. The flexible circuit board assembly according to claim 4, characterized in that: The connecting part includes a connecting base plate and an upper pressing plate, wherein the upper pressing plate is located above the connecting base plate, the upper pressing plate is connected to the terminal body, the connecting base plate is connected to the terminal body, and a connecting gap is formed between the connecting base plate and the upper pressing plate for inserting the flexible circuit board.

9. The flexible circuit board assembly according to claim 8, characterized in that: The upper pressing plate comprises a plurality of arc-shaped pressing plate segments connected to each other, and the arc-shaped pressing plate segments are connected head to tail to form a pressing plate structure with a wavy cross section.

10. The flexible circuit board assembly according to claim 2, characterized in that: The positioning parts are arranged on both sides along the width direction of the carrying platform.

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