Connector of flat wire

Abstract

The utility model provides a connector of a flat wire, comprising a first connecting device, a first flat cable terminal, a second connecting device and a second flat cable terminal, the second flat cable terminal is plugged with the second connecting device, one end of the first flat cable terminal passes through the first connecting device and is welded with the flat wire, and the other end of the first flat cable terminal passes through the second connecting device and is welded with the flat wire. One end of the first flat cable terminal penetrates through the first connecting device to be connected with one end of the first flat cable terminal, the other end of the first flat cable terminal penetrates through the second connecting device to be connected with one end of the second flat cable terminal, and the other end of the second flat cable terminal is connected with the wire harness. The protective cover is clamped with the second connecting device through the second buckle mechanism. The protective cover increases the holding force of the first connecting device and the second connecting device and protects the first connecting device and the second connecting device at the same time, and the whole connector is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic connection harnesses, and more specifically to a flat wire connector. Background Art

[0002] FFC cable Chinese translation: Flexible flat cable, the number and spacing of wires can be arbitrarily selected, making wiring more convenient, greatly reducing the size of electronic products, reducing production costs, and improving production efficiency. It is most suitable for data transmission cables between mobile parts and motherboards, between PCB boards and in miniaturized electrical equipment, and is widely used in electric vehicles.

[0003] Flexible flat cables or flexible circuit boards serve as bridges between different components, and generally require electrical connectors to connect the ends. In actual application scenarios, miniaturization and ultra-thinness are the development trends of many electronic products, and therefore the volume requirements for electrical connectors are becoming increasingly stringent.

[0004] The patent closest to the prior art is, publication number: CN203466360U, which discloses a wire-to-board connector, including a board-end connector and a wire-end connector, wherein a plurality of evenly arranged contact terminals are provided on both sides of the bottom of the board-end connector, a plug interface is provided on the right end face of the board-end connector, and two card holes are provided on the top face of the board-end connector; a plug connector that cooperates with the plug interface is provided at the end of the wire-end connector, a conductive terminal is provided inside the plug connector, and two protrusions that cooperate with the card holes are provided on the side end face of the plug connector, the plug connector of the wire-end connector is plugged into the plug interface of the board-end connector and fixed by mutual snapping of the protrusions and the card holes, and the board-end connector and the wire-end connector are fixed by mutual snapping of the protrusions and the card holes after being plugged in, thereby increasing the holding force of the wire-end connector and the board-end connector, and the structure is fixed, which can protect the safety of use of the wire-end connector and the board-end connector after matching, and ensure the signal transmission effect after docking.

[0005] When the wire-end connector and the board-end connector are mated, the product is still prone to separation due to vibration due to insufficient holding force, so it is important to improve the holding force of the connectors after mating.

[0006] In view of this, the utility model proposes a flat wire connector to increase the retention force between the wire end connector and the board end connector, so as to solve the problem that the connectors are easily separated when mated with each other. Utility Model Content

[0007] The utility model aims to provide a flat wire connector to increase the retention force between the wire end connector and the board end connector, so as to solve the problem that the connectors are easily separated when mated with each other.

[0008] A connector for a flat cable comprises a first connecting device 10, a first row of cable terminals 16, a second connecting device 20 and a second row of cable terminals 26, wherein the second row of cable terminals 26 are plugged into the second connecting device 20, one end of the first row of cable terminals 16 passes through the first connecting device 10 and is welded to a flat cable 17, the other end of the first row of cable terminals 16 passes through the second connecting device 20 and is connected to one end of the second row of cable terminals 26, and the other end of the second row of cable terminals 26 is connected to a wiring harness 27, characterized in that a protective cover 30 is connected to the outer sleeves of the first connecting device 10 and the second connecting device 20, the protective cover 30 is clamped to the first connecting device 10 through a first buckle mechanism, and the protective cover 30 is clamped to the second connecting device 20 through a second buckle mechanism, the protective cover 30 increases the holding force between the first connecting device 10 and the second connecting device 20 and simultaneously protects the first connecting device 10 and the second connecting device 20.

[0009] Furthermore, the flat wire 17 includes a plurality of conductors 18 arranged side by side, and the conductors 18 are provided with insulating layers above and below. Both ends of the flat wire 17 are provided with exposure openings for exposing the connection ends of the conductors 18 and welding them one by one with the first row of wire terminals 16 .

[0010] Furthermore, a positioning hole is provided near the exposure port of the flat wire 17, and a positioning column 11 is provided at a position corresponding to the main body of the first connecting device 10. The positioning column 11 is vertically arranged with the main body of the first connecting device 10, and the positioning hole is sleeved with the positioning column 11, so as to fix the flat wire 17 at the first connecting device 10, so as to facilitate welding with the first wiring terminal 16.

[0011] Furthermore, the contact position between each conductor 18 and the first connecting device 10 is a concave structure, which is used to facilitate heat dissipation after the conductor 18 is energized.

[0012] Furthermore, first guide grooves 15 are provided on both sides of the first connecting device 10, and first guide blocks 31 are provided at corresponding positions of the protective cover 30. When connected, the first guide blocks 31 are inserted into the first guide grooves 15 to provide a guiding effect for the first connecting device 10.

[0013] In some embodiments, a reinforcing plate 19 is further provided on the outside of the body of the flat wire 17. The reinforcing plate 19 is provided with a connecting hole for socketing the positioning column 11 at its corresponding position. The reinforcing plate 19 is used to strengthen the strength of the welding point of the flat wire 17 and press the flat wire 17 to facilitate welding of the flat wire 17 and the first row of wire terminals 16.

[0014] In some embodiments, the first snap mechanism includes a first snap block 131 and a first snap groove 132. The first snap block 131 is symmetrically arranged on a side of the first connecting device 10 close to the protective cover 30. The protective cover 30 is provided with a first snap groove 132 at a position corresponding to the first snap block 131, which is used to snap into the first snap block 131 to connect the first connecting device 10.

[0015] Furthermore, a plurality of anti-shrinkage structures 14 are evenly arranged between the first clamping blocks 131 , and each of the anti-shrinkage structures 14 is arranged in one-to-one correspondence with a terminal of the first wiring terminal 16 .

[0016] In some embodiments, a plurality of first foolproof slots 32 are provided at one end of the protective cover 30 close to the flat wire 17 , and the first foolproof slots 32 extend from the protective cover 30 toward the flat wire 17 for matching and connecting with external connectors.

[0017] Furthermore, a first reinforcing rib 33 is provided at the gap between adjacent first fool-proofing slots 32 to strengthen the strength of the first fool-proofing slots 32 .

[0018] Furthermore, a third clamping mechanism 34 is provided on both the left and right sides of the protective cover 30 for detachably connecting with an external device, such as an airplane buckle.

[0019] In some embodiments, the second snap-fit ​​mechanism includes a second snap-fit ​​block 221 and a third snap-fit ​​block 222. The second snap-fit ​​block 221 is arranged in the middle of the inner wall of the protective cover 30 and close to one side of the second connecting device 20. The second connecting device 20 is provided with a third snap-fit ​​block 222 at a position corresponding to the second snap-fit ​​block 221, which is used to snap-fit ​​with the lower part of the second snap-fit ​​block 221 to connect the second connecting device 20.

[0020] Furthermore, the second card block 221 is located at the elastic button 23, and the non-pressing end of the elastic button 23 is connected to the second connecting device 20. When the second connecting device 20 needs to be disassembled, the elastic button 23 is pressed downward to disengage the second card block 221 from the third card block 222.

[0021] Furthermore, a button protection cover 24 is disposed around the outside of the elastic button 23 to prevent the elastic button 23 from being triggered accidentally.

[0022] Furthermore, a second guide column 35 is provided at the lower portion of the second clamping block 221, and the second guide column 35 is vertically fixed to the inner wall of the protective cover 30. A second guide groove 25 is provided at the lower portion of the third opening block. When it is necessary to connect the second connecting device 20 and the protective cover 30, the second guide column 35 is inserted into the second guide groove 25 to provide a guiding effect for the second connecting device 20.

[0023] In some embodiments, a plurality of second fool-proofing slots 36 are provided at one end of the protective cover 30 close to the second wiring terminal 26 , and the second fool-proofing slots 36 extend from the protective cover 30 toward the second wiring terminal 26 , and are used to match and connect with the second fool-proofing blocks 21 provided on the second connecting device 20 .

[0024] The beneficial effects of the utility model are as follows: the utility model proposes a connector for a flat wire, comprising a first connecting device 10, a first wiring terminal 16, a second connecting device 20 and a second wiring terminal 26, wherein the second wiring terminal 26 is plugged into the second connecting device 20, one end of the first wiring terminal 16 passes through the first connecting device 10 and is welded to a flat wire 17, the other end of the first wiring terminal 16 passes through the second connecting device 20 and is connected to one end of the second wiring terminal 26, and the other end of the second wiring terminal 26 is connected to a wiring harness 27, characterized in that a protective cover 30 is outer-connected with the first connecting device 10 and the second connecting device 20, the protective cover 30 is clamped with the first connecting device 10 through a first snap mechanism, and the protective cover 30 is clamped with the second connecting device 20 through a second snap mechanism, the retaining force of the first connecting device 10 and the second connecting device 20 is increased by the protective cover 30, and at the same time, the first connecting device 10 and the second connecting device 20 are protected, and the entire connector is easy to assemble and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of the flat cable connector of the present application.

[0026] Figure 2 This is a schematic structural diagram of a first connecting device of a flat cable connector of the present application.

[0027] Figure 3 This is a schematic structural diagram of a protective cover of a flat cable connector of the present application.

[0028] Figure 4 This is a schematic structural diagram of a second connecting device of a flat cable connector of the present application.

[0029] Figure 5 This is a schematic diagram of the connection structure of the first connection device of the flat cable connector and the flat cable of the present application.

[0030] Main component symbols

[0031]

[0032]

[0033] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0034] The following examples are described to assist the understanding of the present application, and the examples are not and should not be interpreted in any way as limiting the scope of protection of the present application.

[0035] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including within a single system or component).

[0036] At the same time, the connections between components or systems are not intended to be limited to direct connections, rather, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. In addition, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.

[0037] Embodiment 1:

[0038] like Figure 1 and Figure 2 As shown, a connector for a flat wire includes a first connecting device 10, a first row of wire terminals 16, a second connecting device 20 and a second row of wire terminals 26, wherein the second row of wire terminals 26 is plugged into the second connecting device 20, one end of the first row of wire terminals 16 passes through the first connecting device 10 and is welded to a flat wire 17, the flat wire 17 includes a plurality of conductors 18 arranged side by side, and an insulating layer is provided above and below the plurality of conductors 18, both ends of the flat wire 17 are provided with an exposure opening for exposing the connecting end of the conductor 18 and welding the conductor 18 to the first row of wire terminals 16 in a one-to-one correspondence, a positioning hole is provided near the exposure opening, a positioning column 11 is provided at a position corresponding to the body of the first connecting device 10, the positioning column 11 is vertically arranged to the body of the first connecting device 10, the positioning hole is sleeved with the positioning column 11, and the positioning hole is used to connect the first connecting device 10 to the first connecting device 10. The flat wire 17 is fixed to the first connecting device 10, which is convenient for welding with the first wiring terminal 16. The contact position between each conductor 18 and the first connecting device 10 is a concave structure, which is used to facilitate the heat dissipation of the conductor 18 after power is supplied. The other end of the first wiring terminal 16 passes through the second connecting device 20 and is connected to one end of the second wiring terminal 26. The other end of the second wiring terminal 26 is connected to the wiring harness 27. The first connecting device 10 and the second connecting device 20 are outer-mounted with a protective cover 30. The protective cover 30 is clamped with the first connecting device 10 through a first buckle mechanism, and the protective cover 30 is clamped with the second connecting device 20 through a second buckle mechanism. The protective cover 30 increases the holding force between the first connecting device 10 and the second connecting device 20 and protects the first connecting device 10 and the second connecting device 20 at the same time.

[0039] A first reinforcing rib 33 is provided at a gap between adjacent first fool-proofing slots 32 to reinforce the strength of the first fool-proofing slots 32 .

[0040] A third clamping mechanism 34 is provided on both the left and right sides of the protective cover 30 for detachably connecting with an external device, such as an airplane buckle.

[0041] like Figure 2 and Figure 3 As shown, first guide grooves 15 are provided on both sides of the first connecting device 10, and first guide blocks 31 are provided at corresponding positions of the protective cover 30. When connected, the first guide blocks 31 are inserted into the first guide grooves 15 to provide a guiding effect on the first connecting device 10. The first snap mechanism includes a first snap block 131 and a first snap groove 132. The first snap block 131 is symmetrically arranged on one side of the first connecting device 10 close to the protective cover 30. The protective cover 30 is provided with a first snap groove 132 at a position corresponding to the first snap block 131, which is used to snap with the first snap block 131 to connect the first connecting device 10.

[0042] A plurality of first fool-proofing slots 32 are provided at one end of the protective cover 30 close to the flat wire 17 . The first fool-proofing slots 32 extend from the protective cover 30 toward the flat wire 17 and are used for matching and connecting with external connectors.

[0043] A plurality of anti-shrinkage structures 14 are evenly arranged between the first clamping blocks 131 , and each of the anti-shrinkage structures 14 is arranged in one-to-one correspondence with a terminal of the first wiring terminal 16 .

[0044] like Figure 5 As shown, a reinforcing plate 19 is further provided on the outside of the body of the flat wire 17. The reinforcing plate 19 is provided with a connecting hole for sleeve connection with the positioning column 11 at its corresponding position. The reinforcing plate 19 is used to strengthen the strength of the welding point of the flat wire 17 and press the flat wire 17 to facilitate welding of the flat wire 17 and the first row of wire terminals 16.

[0045] like Figure 4 and Figure 3As shown, the second snap mechanism includes a second card block 221 and a third card block 222, the second card block 221 is arranged in the middle of the inner wall of the protective cover 30 and close to one side of the second connecting device 20, the second connecting device 20 is provided with a third card block 222 at a position corresponding to the second card block 221, which is used to engage with the lower part of the second card block 221 to connect the second connecting device 20, the second card block 221 is located at the elastic button 23, and the non-pressing end of the elastic button 23 is connected to the second connecting device 20. When the second connecting device 20 needs to be disassembled, the elastic button 23 is pressed downward to disengage the second card block 221 from the third card block 222, and the outer side of the elastic button 23 A button protection cover 24 is provided around the part to prevent the elastic button 23 from being triggered by mistake. A second guide column 35 is provided at the lower part of the second card block 221. The second guide column 35 is vertically fixed to the inner wall of the protective cover 30. A second guide groove 25 is provided at the lower part of the third opening block. When it is necessary to connect the second connecting device 20 and the protective cover 30, the second guide column 35 is inserted into the second guide groove 25 to provide a guiding effect for the second connecting device 20. A plurality of second fool-proofing slots 36 are provided at one end of the protective cover 30 close to the second wiring terminal 26. The second fool-proofing slots 36 are extended from the protective cover 30 to the second wiring terminal 26, and are used to match and connect with the second fool-proofing block 21 provided on the second connecting device 20.

[0046] The beneficial effects of the utility model are as follows: the utility model proposes a connector for a flat wire, comprising a first connecting device 10, a first wiring terminal 16, a second connecting device 20 and a second wiring terminal 26, wherein the second wiring terminal 26 is plugged into the second connecting device 20, one end of the first wiring terminal 16 passes through the first connecting device 10 and is welded to a flat wire 17, the other end of the first wiring terminal 16 passes through the second connecting device 20 and is connected to one end of the second wiring terminal 26, and the other end of the second wiring terminal 26 is connected to a wiring harness 27, characterized in that a protective cover 30 is outer-connected with the first connecting device 10 and the second connecting device 20, the protective cover 30 is clamped with the first connecting device 10 through a first snap mechanism, and the protective cover 30 is clamped with the second connecting device 20 through a second snap mechanism, the retaining force of the first connecting device 10 and the second connecting device 20 is increased by the protective cover 30, and at the same time, the first connecting device 10 and the second connecting device 20 are protected, and the entire connector is easy to assemble and disassemble.

[0047] Although the present application has disclosed multiple aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art, and several modifications and improvements may be made without departing from the concept of the present application, all of which belong to the protection scope of the present application. The multiple aspects and embodiments disclosed in the present application are only for illustration and are not intended to limit the present application. The actual protection scope of the present application shall be subject to the claims.

Claims

1. A flat wire connector, comprising a first connecting device (10), a first wiring terminal (16), a second connecting device (20) and a second wiring terminal (26), wherein the second wiring terminal (26) is plugged into the second connecting device (20), one end of the first wiring terminal (16) passes through the first connecting device (10) and is welded to a flat wire (17), the other end of the first wiring terminal (16) passes through the second connecting device (20) and is connected to one end of the second wiring terminal (26), and the other end of the second wiring terminal (26) is connected to a wiring harness (27), characterized in that: The first connecting device (10) and the second connecting device (20) are outer-connected with a protective cover (30); the protective cover (30) is clamped to the first connecting device (10) via a first clamping mechanism, and the protective cover (30) is clamped to the second connecting device (20) via a second clamping mechanism.

2. The flat cable connector according to claim 1, wherein: The flat wire (17) comprises a plurality of conductors (18) arranged side by side, wherein the plurality of conductors (18) are provided with insulating layers above and below, and both ends of the flat wire (17) are provided with exposure openings for exposing the connection ends of the conductors (18) and welding them one by one with the first row of wire terminals (16).

3. The flat cable connector according to claim 1, wherein: The flat wire (17) is provided with a positioning hole near the exposure port, and a positioning column (11) is provided at a position corresponding to the body of the first connecting device (10), the positioning column (11) is vertically arranged with the body of the first connecting device (10), and the positioning hole is sleeved with the positioning column (11).

4. The flat cable connector according to claim 1, wherein: First guide grooves (15) are provided on both sides of the first connecting device (10), and first guide blocks (31) are provided at corresponding positions of the protective cover (30). When connected, the first guide blocks (31) are inserted into the first guide grooves (15).

5. The flat cable connector according to claim 1, wherein: The first snap mechanism comprises a first snap block (131) and a first snap groove (132); the first snap block (131) is symmetrically arranged on a side of the first connecting device (10) close to the protective cover (30); the protective cover (30) is provided with a first snap groove (132) at a position corresponding to the first snap block (131) for snapping with the first snap block (131).

6. The flat cable connector according to claim 1, wherein: A plurality of first foolproof slots (32) are provided at one end of the protective cover (30) close to the flat wire (17). The first foolproof slots (32) extend from the protective cover (30) toward the flat wire (17) and are used for matching and connecting with external connectors.

7. The flat cable connector according to claim 6, wherein: A first reinforcing rib (33) is provided at the gap between adjacent first fool-proof slots (32).

8. The flat cable connector according to claim 1, wherein: The second snap mechanism comprises a second snap block (221) and a third snap block (222); the second snap block (221) is arranged at the middle of the inner wall of the protective cover (30) and close to one side of the second connecting device (20); the second connecting device (20) is provided with a third snap block (222) at a position corresponding to the second snap block (221) and is used for snapping with the lower part of the second snap block (221).

9. The flat cable connector according to claim 8, wherein: The second card block (221) is located at the elastic button (23), and the non-pressing end of the elastic button (23) is connected to the second connecting device (20). When the second connecting device (20) needs to be disassembled, the elastic button (23) is pressed downwards, so that the second card block (221) is disengaged from the third card block (222).

10. The flat cable connector according to claim 1, wherein: A plurality of second fool-proof slots (36) are provided at one end of the protective cover (30) close to the second wiring terminal (26); the second fool-proof slots (36) are extended from the protective cover (30) toward the second wiring terminal (26) and are used for matching and connecting with second fool-proof blocks (21) provided on the second connecting device (20).

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