Flexible circuit board connector

Abstract

The utility model discloses a flexible circuit board connector, which comprises a male end connector, a flexible circuit board, a plastic cement shell and a plastic cement cover, a hardware terminal is arranged in the plastic cement shell, a plurality of clamping positions are arranged on two side surfaces of the plastic cement shell, a buckling groove is arranged at the bottom of the plastic cement cover, a plurality of clamping points are arranged on two sides in the buckling groove, and the clamping points are arranged in the buckling groove. The upper portion of the plastic shell extends into the buckling groove, the clamping positions and the clamping points are clamped in a one-to-one correspondence mode, clamping structures are arranged at the two ends of the plastic cover and connected with the male end connector in a clamped mode, and the flexible circuit board is connected with the hardware terminal in a welded mode. By arranging a plurality of rows of clamping positions and clamping points, the connection stability is enhanced, the tin fusion welding is adopted to replace the traditional cold pressing riveting mode, and the virtual connection quality problem of the connection position is effectively eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field, specifically a flexible circuit board connector. BACKGROUND

[0002] As the indispensable connecting component of information and power transmission between circuit boards in small electronic equipment, the processing technology of wire-to-board connector has a decisive influence on product performance and stability. Currently, the connection process of wire harness and connector terminal mainly adopts cold riveting and insulation displacement piercing connection. However, both of these two types of connection processes require precision machining equipment, and the connection effect can only be determined by appearance shape and riveting size. If defects such as virtual connection or broken connection occur, it is difficult to find them in the later stage, which not only reduces product performance, but also may cause problems such as broken contact and falling off of the connector during use, thereby affecting product reliability, increasing rework cost and reducing work efficiency. In addition, the fixing method of the existing connector mainly adopts simple two-point buckle or thread, which is not stable, especially in the connector with multiple rows of terminals, it is difficult to effectively ensure the stability of the connector.

[0003] Therefore, it is necessary to provide a flexible circuit board connector which can improve the connection stability of the connector and the circuit board, prevent virtual connection, broken connection and other situations, and is stable in assembly and fixing. SUMMARY

[0004] The utility model provides a flexible circuit board connector to solve the problem in the above background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A flexible circuit board connector, comprising a male connector, a flexible circuit board, a plastic shell and a plastic cover, the plastic shell is provided with hardware terminals, the two side surfaces of the plastic shell are provided with a plurality of clamping positions, the bottom of the plastic cover is provided with a buckling groove, the buckling groove is provided with a plurality of clamping points on both sides, the upper part of the plastic shell extends into the buckling groove, and the clamping positions and the clamping points are one-to-one correspondingly clamped, the two ends of the plastic cover are provided with clamping structures and are clamped and connected with the male connector, and the flexible circuit board is welded with the hardware terminals. The welding mode of the solder pad and the welding pin is tin fusion welding. The plastic shell is fixed between the male connector and the plastic cover, forming a three-layer buckling fixing structure.

[0007] Preferably, the upper top surface of the plastic cover is provided with a through groove, the upper part of the plastic shell is a buckling part and the lower part is a connecting part one, the upper top surface of the buckling part is provided with a plurality of terminal accommodating cavities, the lower bottom surface of the connecting part one is provided with a plurality of insertion holes, and the insertion holes and the terminal accommodating cavities are one-to-one correspondingly communicated, and the clamping positions are provided with two rows of clamping positions on the two side surfaces of the buckling part.

[0008] Preferably, the two ends of the buckling part are provided with positioning blocks, and the upper and lower ends of the outward side of the positioning blocks are provided with chamfers, the buckling part is inserted into the buckling groove, the inner top surface of the buckling groove is provided with a plurality of terminal insertion sites, the terminal insertion sites are communicated with terminal receiving cavities, and the two ends of the plastic cover are provided with clamping structures.

[0009] Preferably, the clamping structure comprises a pressing handle, the lower end of the pressing handle is connected with the plastic cover, and the pressing handle and the plastic cover are in V-shaped structure.

[0010] Preferably, the two ends of the hardware terminal are spring clamping pieces and welding pins respectively, the front and back surfaces of the flexible circuit board are uniformly arranged with a plurality of circuits, and the two ends of each circuit are provided with soldering pads, wherein the soldering pads are welded with the welding pins, and one side of the flexible circuit board provided with the soldering pads extends into the through groove and is welded with the welding pins.

[0011] Preferably, the utility model also comprises a male connector, the upper part of the male connector is a second connecting part, and the lower part of the male connector is an electric plate, a plurality of guide needles are arranged in the second connecting part, the guide needles extend to the electric plate and are fixedly connected to form male pins, the first connecting part is inserted into the second connecting part, and the guide needles correspondingly clamp and contact the spring clamping pieces.

[0012] Preferably, the two ends of the second connecting part are provided with recessed clamping parts, and the clamps are clamped and connected with the clamping parts.

[0013] Preferably, the clamping sites are square through holes, the clamping sites are arranged in two rows in up-down arrangement, the clamping points are trapezoidal protrusions provided with inclined surfaces on the side surfaces, and the clamping points are arranged in two rows and correspondingly clamped with the clamping sites. The inclined surfaces are arranged in cooperation with the elastic properties of the plastic, so that the clamping points are conveniently clamped into the clamping sites

[0014] Preferably, the jack and the terminal receiving cavity are provided with two columns, the hardware terminals are correspondingly arranged in the terminal receiving cavities, wherein the welding pins are arranged in the terminal insertion sites, and the spring clamping pieces are arranged in the jacks.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a plurality of one-to-one corresponding clamping points and clamping points are arranged on the both sides of plastic shell and the both sides of plastic cover respectively, realize the fixed mode of multipoint clamping, effectively solve the problem of the unstable fixation of the existing connector cover, especially in the connector of the multiple rows of hardware terminals is more stable, can effectively prevent the problem of the breakage of hardware terminal caused by external force collision. Meanwhile, the both ends of plastic cover are provided with clamping structure, the both ends of plastic cover are clamped through the clamping structure and the clamping portion of male connector, and the plastic shell is fixed between the male connector and plastic cover, three layer buckling fixed structure is formed, further enhances the connection stability, ensures that the connection between male connector, plastic cover and plastic shell is more firm, prevents the problems such as falling or breakage. In addition, the tin fusion welding mode is used to replace the cold riveting and insulation displacement puncture connection, and the virtual connection quality problem of the connection position can be effectively eliminated. Finally, the flexible circuit board can make the connector occupy the minimum wiring space, and has the flexibility performance that is much larger than the flexible cord or electronic wire harness, realizes the bending angle of outlet direction. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the flexible circuit board structure schematic diagram of the utility model;

[0019] Figure 3 It is the whole structure assembly position schematic diagram of the utility model;

[0020] Figure 4 It is the plastic shell upper and lower structure schematic diagram of the utility model;

[0021] Figure 5 It is the plastic cover upper and lower structure schematic diagram of the utility model;

[0022] Figure 6 It is the hardware terminal structure schematic diagram of the utility model;

[0023] Figure 7 It is the connection state section schematic diagram of the utility model;

[0024] 1, plastic shell;2, connecting portion one;3, buckling portion;4, clamping structure;5, terminal accommodating cavity;6, jack;7, clamping point;8, positioning block;9, clamping portion;10, plastic cover;11, electric board;12, through groove;13, clamping point;14, press handle;15, buckle;16, terminal plug-in position;17, hardware terminal;18, welding pin;19, spring clamping piece;20, connecting portion two;21, guide needle;22, male pin;23, flexible circuit board;24, circuit;25, solder pad;26, buckling groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Referring to Figures 1-7 A flexible circuit board connector, comprising a male connector, a flexible circuit board 23, a plastic shell 1 and a plastic cover 10, the plastic shell 1 is internally provided with hardware terminals 17, the two side surfaces of the plastic shell 1 are provided with a plurality of clamping positions 7, the bottom of the plastic cover 10 is provided with a buckling groove 26, the two sides of the buckling groove 26 are both provided with a plurality of clamping points 13, the upper part of the plastic shell 1 extends into the buckling groove 26, and the clamping positions 7 and the clamping points 13 are one-to-one correspondingly clamped, the two ends of the plastic cover 10 are provided with clamping structures 4 and are clamped and connected with the male connector, and the flexible circuit board 23 is welded with the hardware terminals 17. The welding mode of the soldering pad 25 and the welding pin 18 is tin fusion welding.

[0027] The upper top surface of the plastic cover is provided with a through groove, the upper part of the plastic shell 1 is a buckling part 3 and the lower part is a connecting part 2, the upper top surface of the buckling part 3 is provided with a plurality of terminal accommodating cavities 5, the lower bottom surface of the connecting part 2 is provided with a plurality of insertion holes 6, and the insertion holes 6 and the terminal accommodating cavities 5 are one-to-one correspondingly communicated, and the clamping positions 7 are provided with two rows of clamping positions located on the two side surfaces of the buckling part 3.

[0028] The two ends of the buckling part 3 are provided with positioning blocks 8, and the upper and lower ends of the outward side of the positioning blocks 8 are both provided with chamfers, the buckling part 3 is inserted into the buckling groove 26, the inner top surface of the buckling groove 26 is provided with a plurality of terminal insertion positions 16, the terminal insertion positions 16 are communicated with the terminal accommodating cavities 5, and the two ends of the plastic cover 10 are provided with clamping structures 4.

[0029] The clamping structure 4 comprises a pressing handle 14, the lower end of the pressing handle 14 is connected with the plastic cover 10, and the pressing handle 14 and the plastic cover 10 are in V-shaped structure, and the end of the pressing handle 14 connected with the plastic cover 10 extends downward to form a clamping buckle 15.

[0030] The upper part of the male connector is a connecting part 20, and the lower part of the male connector is an electric plate 11, a plurality of guide pins 21 are arranged in the connecting part 20, the guide pins 21 extend to the electric plate 11 and are fixedly connected to form male pins 22, the connecting part 2 is inserted into the connecting part 20, and the guide pins 21 and the spring clamping pieces 19 are one-to-one correspondingly clamped and contacted.

[0031] The both ends of the hardware terminal 17 are spring clamping pieces 19 and welding pins 18 respectively, the front and back surfaces of the flexible circuit board 23 are uniformly arranged with a plurality of circuits 24, the both ends of each circuit 24 are provided with solder pads 25, wherein the solder pads 25 are welded with the welding pins 18, and one side of the flexible circuit board 23 provided with the solder pads 25 extends into the through groove 12 and is welded with the welding pins 18.

[0032] The both ends of the connecting part two 20 are provided with recessed clamping parts 9, and the buckles 15 are clamped with the clamping parts 9. By clamping the buckles 15 with the clamping parts 9, the plastic shell 1 and the plastic cover 10 cannot be separated when the combined separation plastic shell 1 and the male connecting part two 20 are separated, so that the stability of the connector is improved.

[0033] The clamping sites 7 are square through holes, the clamping sites 7 are provided with two rows arranged in an up-down mode, the clamping points 13 are trapezoidal protrusions provided with inclined surfaces on the side surfaces, and the clamping points 13 are provided with two rows of clamping points corresponding to the clamping sites 7. The inclined surfaces are arranged in cooperation with the elastic properties of the plastic, so that the clamping points 13 are conveniently clamped into the clamping sites 7.

[0034] The jack 6 and the terminal accommodating cavity 5 are provided with two columns, and the hardware terminal 17 is arranged in the terminal accommodating cavity 5 in a one-to-one correspondence, wherein the welding pin 18 is located in the terminal plug-in position 16, and the spring clamping piece 19 is located in the jack 6.

[0035] In use, the hardware terminal 17 is placed into the terminal accommodating cavity 5, the buckling part 3 of the plastic shell 1 is plugged into the buckling groove 26 of the plastic cover 10, the clamping points 13 and the clamping sites 7 are clamped in a one-to-one correspondence, the connecting part one 2 is plugged into the connecting part two 20, the buckles 15 of the clamping structures 4 at the both ends are clamped with the clamping parts 9 on the male connector, the plastic shell 1 is fixed between the male connector and the plastic cover 10, meanwhile, the guide needle 21 extends into the spring clamping piece 19 of the hardware terminal 17 from the jack 6, and the solder pads 25 of the flexible circuit board 23 extend into the plastic cover 10 from the through groove 12 and are connected with the welding pins 18 of the hardware terminal 17 through tin melting welding.

[0036] The utility model discloses a plurality of clamping sites 7 and clamping points 13 are arranged, the stability of connection is enhanced, the traditional cold riveting mode is replaced by tin melting welding, and the virtual connection quality problem of the connection position is effectively excluded.

[0037] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0038] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A flexible wiring board connector comprising a male connector, a flexible wiring board (23), a plastic housing (1) and a plastic cover (10), characterized by, The plastic shell (1) is provided with hardware terminals (17), the two sides of the plastic shell (1) are provided with a plurality of clamping positions (7), the bottom of the plastic cover (10) is provided with a buckling groove (26), the two sides of the buckling groove (26) are provided with a plurality of clamping points (13), the upper part of the plastic shell (1) extends into the buckling groove (26), and the clamping position (7) and the clamping point (13) are correspondingly clamped, the two ends of the plastic cover (10) are provided with clamping structures (4) and are clamped and connected with the male connector, and the flexible circuit board (23) is welded with the hardware terminals (17).

2. The flexible wiring board connector according to claim 1, characterized by The upper surface of the plastic cover (10) is provided with a through groove (12), the upper part of the plastic shell (1) is a buckling part (3) and the lower part is a connecting part (2), the upper surface of the buckling part (3) is provided with a plurality of terminal accommodating cavities (5), the lower surface of the connecting part (2) is provided with a plurality of insertion holes (6), and the insertion hole (6) and the terminal accommodating cavity (5) are correspondingly communicated, and the clamping position (7) is provided with two rows of clamping positions (7) on the two sides of the buckling part (3).

3. The flexible wiring board connector according to claim 2, characterized by The two ends of the buckling part (3) are provided with positioning blocks (8), and the upper and lower ends of the outward side of the positioning block (8) are provided with chamfers, the buckling part (3) is inserted into the buckling groove (26), and the inner top surface of the buckling groove (26) is provided with a plurality of terminal insertion positions (16), and the terminal insertion position (16) is communicated with the terminal accommodating cavity (5).

4. The flexible wiring board connector according to claim 3, characterized by The clamping structure (4) comprises a pressing handle (14), the lower end of the pressing handle (14) is connected with the plastic cover (10), and the pressing handle (14) and the plastic cover (10) are in V-shaped structure, and the end of the pressing handle (14) connected with the plastic cover (10) extends downward to form a clamping buckle (15).

5. The flexible wiring board connector according to claim 4, characterized by The two ends of the hardware terminal (17) are respectively a spring clamping piece (19) and a welding pin (18), the front and back surfaces of the flexible circuit board (23) are uniformly provided with a plurality of circuits (24), the two ends of each circuit (24) are provided with a solder pad (25), and one side of the flexible circuit board (23) provided with the solder pad (25) extends into the through groove (12) and is welded with the welding pin (18).

6. The flexible wiring board connector according to claim 5, characterized by The upper part of the male connector is a connecting part (20), and the lower part of the male connector is an electric plate (11), a plurality of guide needles (21) are arranged in the connecting part (20), the guide needles (21) extend to the electric plate (11) and are fixedly connected to form male pins (22), the connecting part (1) is inserted into the connecting part (20), and the guide needle (21) and the spring clamping piece (19) are correspondingly clamped and contacted.

7. The flexible wiring board connector according to claim 6, characterized by The two ends of the connecting part (20) are provided with recessed clamping parts (9), the clamping buckle (15) is clamped and connected with the clamping part (9).

8. The flexible wiring board connector according to claim 7, characterized by The clamping position (7) is a square through hole, the clamping position (7) is provided with two rows arranged in an up-down manner, and the clamping point (13) is a trapezoidal protrusion provided with an inclined surface on the side surface, and the clamping point (13) is provided with two rows of clamping points (13) corresponding to the clamping position (7).

9. The flexible wiring board connector according to claim 8, characterized by The jack (6) and the terminal accommodating cavity (5) are provided with two rows, and the hardware terminal (17) is provided in the terminal accommodating cavity (5) one by one, wherein the welding pin (18) is located in the terminal insertion position (16), and the spring clamping piece (19) is located in the jack (6).

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