CN217656187U - FFC with variable spacing - Google Patents

Abstract

The utility model discloses a but variable interval's FFC, including the FFC main part, the inside first copper conductor that is provided with of FFC main part, first copper conductor one end is provided with the third mounting, be provided with first stitch on the third mounting, FFC main part one end is provided with the connecting piece, the connecting piece is provided with the conductor, be provided with on the conductor with first stitch assorted second card hole, first stitch is pegged graft downtheholely at the second card, still be provided with the third stitch on the conductor, be provided with the fourth mounting on the third stitch, be provided with second copper conductor on the fourth mounting, the one end that fourth mounting was kept away from to second copper conductor is provided with the second mounting, be provided with the second stitch on the second mounting. The utility model discloses a be provided with a series of structures to the interval that the FFC main part connects has been changed, and then makes FFC main part application scope wider, and it is more convenient to use, makes the third mounting more stable with being connected of draw-in groove, has avoided taking place in the use to connect the phenomenon of interrupt.

Description

FFC with variable spacing

Technical Field

The utility model relates to a circuit board equipment technical field specifically is a FFC of variable interval.

Background

The Flexible Flat Cable (FFC) is used for flying wire connection between circuit boards, such as connection between a detachable component and a main board, forms an array cable by laminating a flat copper wire and a polyester resin insulating film, has the advantages of flexibility, flexible folding, thin thickness, small volume, simple connection, convenient detachment and the like, has no electromagnetic shielding (EMI) problem, and is particularly suitable for connection with repeated bending and folding movement.

At present, most of FFCs in the market do not have the function of changing the distance between FFCs, so that the application range of the FFC is narrow, each FFC can only be in butt joint with an interface matched with the FFC, and the FFC needs to be replaced if the interface is replaced, which is very inconvenient

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a FFC of variable interval to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a but variable-pitch's FFC, includes the FFC main part, the inside first copper conductor that is provided with of FFC main part, first copper conductor both ends are provided with first mounting and third mounting, be provided with first stitch on first mounting and the third mounting, FFC main part one end is provided with the connecting piece, the connecting piece is provided with the conductor, be provided with on the conductor with first stitch assorted second card hole, first stitch is pegged graft at the second card downthehole, still be provided with the third stitch on the conductor, be provided with the fourth mounting on the third stitch, be provided with second copper conductor on the fourth mounting, the one end that fourth mounting was kept away from to second copper conductor is provided with the second mounting, be provided with the second stitch on the second mounting.

Preferably, the FFC main part is two-layer PET insulating layer, first copper conductor and second copper conductor all set up between two-layer PET insulating layer, first copper conductor and second copper conductor are extremely thin tin-plated flat copper line.

Preferably, first mounting, second mounting, third mounting and fourth mounting are the insulating material who has the hardness, first copper line conductor passes through first mounting, third mounting and is connected with first stitch, first mounting and third mounting, second copper line conductor's one end is passed through the second mounting and is connected with the second stitch, second copper line conductor's the other end passes through the fourth mounting and is connected with the third stitch.

Preferably, the conductor is provided with a first clamping hole matched with the third pin, and the third pin is clamped on the conductor through the first clamping hole.

Preferably, be provided with on the connecting piece with third mounting assorted draw-in groove, the draw-in groove inner wall is provided with the activity groove, sliding connection has the movable block in the activity groove, be provided with the spring between movable block and the activity groove.

Preferably, the surface of the movable block is provided with a rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this but FFC of variable spacing, use through connecting piece and conductor combination, when needs change the FFC and connect, only need be connected connecting piece and FFC main part, first copper line conductor passes through third mounting and first stitch and is connected with the conductor this moment, the conductor is connected with third stitch and fourth mounting again, the third stitch passes through second copper line conductor and is connected with second mounting and second stitch, thereby the spacing that FFC main part connects has been changed, and then make FFC main part application scope wider, it is more convenient to use.

2. This but variable interval's FFC, use through spring and movable block combine, when the FFC main part is connected with the connecting piece, actually be the joint of third mounting and draw-in groove, peg graft in first stitch and the second card hole, peg graft with the second card hole after third mounting and draw-in groove joint, the movable block is fixed the third mounting under the effect of spring this moment, make the third mounting more stable with being connected of draw-in groove, the phenomenon of taking place to connect the interrupt in the use has been avoided.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is an overall analysis diagram of example 1;

fig. 3 is a schematic structural view of embodiment 2.

In the figure: 1. a FFC body; 2. a first fixing member; 3. a first pin; 4. a connecting member; 5. a pitch changing head; 6. a second fixing member; 7. a second pin; 8. a first copper wire conductor; 9. a third fixing member; 10. a conductor; 11. a first card hole; 12. a second chucking hole; 13. a third stitch; 14. a fourth fixing member; 15. a second copper wire conductor; 16. a card slot; 17. a movable block; 18. a movable groove; 19. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1

As shown in fig. 1 and 2, the variable-pitch FFC of this embodiment includes an FFC main body 1, a first copper wire conductor 8 is disposed inside the FFC main body 1, a first fixing member 2 and a third fixing member 9 are disposed at two ends of the first copper wire conductor 8, first pins 3 are disposed on the first fixing member 2 and the third fixing member 9, the first pins 3 are connected to the first copper wire conductor 8 through the third fixing member 9, a connecting member 4 is disposed at one end of the FFC main body 1, the connecting member 4 is provided with a conductor 10, the conductor 10 is made of copper, a second clamping hole 12 matched with the first pins 3 is disposed on the conductor 10, the first pins 3 are inserted into the second clamping hole 12, a third pin 13 is further disposed on the conductor 10, a fourth fixing member 14 is disposed on the third pin 13, a second copper wire conductor 15 is disposed on the fourth fixing member 14, a second fixing member 6 is disposed at one end of the second copper wire conductor 15 far from the fourth pin 14, and a second pin 7 is disposed on the second fixing member 6.

Specifically, FFC main part 1 is two-layer PET insulating layer, and first copper conductor 8 and second copper conductor 15 all set up between two-layer PET insulating layer, and first copper conductor 8 and second copper conductor 15 are extremely thin tin-plated flat copper line to make this variable pitch's FFC bendable.

Further, first mounting 2, second mounting 6, third mounting 9 and fourth mounting 14 are the insulating material who has the hardness, first copper conductor 8 is through first mounting 2, third mounting 9 is connected with first stitch 3, first mounting 2 and third mounting 9, the one end of second copper conductor 15 is passed through second mounting 6 and is connected with second stitch 7, the other end of second copper conductor 15 is passed through fourth mounting 14 and is connected with third stitch 13, thereby the connection of second stitch 7 and third stitch 13 has been realized.

Furthermore, a first clamping hole 11 matched with the third pin 13 is formed in the conductor 10, and the third pin 13 is clamped on the conductor 10 through the first clamping hole 11, so that the third pin 13 is connected with the conductor 10.

The application method of the embodiment comprises the following steps: when needs change the FFC and connect, only need to be connected connecting piece 4 and FFC main part 1, first copper conductor 8 is connected with conductor 10 through third mounting 9 and first stitch 3 this moment, conductor 10 is connected with third stitch 13 and fourth mounting 14 again, third stitch 13 is connected with second mounting 6 and second stitch 7 through second copper conductor 15, thereby the interval that FFC main part 1 connects has been changed, and then make FFC main part 1 application scope wider, it is more convenient to use.

Example 2

The structure of the FFC with variable pitch in the present embodiment is substantially the same as that of the FFC with variable pitch in embodiment 1, and the difference is that: the connecting piece 4 is provided with a clamping groove 16 matched with the third fixing piece 9, the third fixing piece 9 can be connected with the connecting piece 4 through the clamping groove 16, a movable groove 18 is formed in the inner wall of the clamping groove 16, a movable block 17 is connected in the movable groove 18 in a sliding mode, the movable block 17 can move in the movable groove 18, a spring 19 is arranged between the movable block 17 and the movable groove 18, the spring 19 exerts elastic force on the movable block 17, a rubber sleeve is arranged on the surface of the movable block 17, and the abrasion of the movable block 17 on the third fixing piece 9 can be reduced by the rubber sleeve (see fig. 3).

The using method of the embodiment comprises the following steps: when FFC main part 1 is connected with connecting piece 4, be the joint of third mounting 9 and draw-in groove 16 in fact, peg graft of first stitch 3 and second card hole 12, peg graft with second card hole 12 after third mounting 9 and draw-in groove 16 joint first stitch 3, movable block 17 is fixed third mounting 9 under spring 19's effect this moment, make being connected of third mounting 9 and draw-in groove 16 more stable, the phenomenon of taking place connection interruption in the use has been avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A variable pitch FFC comprising an FFC body (1), characterized in that: the FFC cable is characterized in that a first copper wire conductor (8) is arranged inside the FFC main body (1), first copper wire conductors (8) are arranged at two ends of the first copper wire conductor (8), a first fixing piece (2) and a third fixing piece (9) are arranged on the first fixing piece (2) and the third fixing piece (9), a first pin (3) is arranged on the first fixing piece (2) and the third fixing piece (9), a connecting piece (4) is arranged at one end of the FFC main body (1), the connecting piece (4) is provided with a conductor (10), a second clamping hole (12) matched with the first pin (3) is formed in the conductor (10), the first pin (3) is inserted into the second clamping hole (12), a third pin (13) is further arranged on the conductor (10), a fourth fixing piece (14) is arranged on the third pin (13), a second copper wire conductor (15) is arranged on the fourth fixing piece (14), one end, far away from the fourth fixing piece (14), of the second copper wire conductor (15) is provided with a second fixing piece (6), and a second pin (7) is arranged on the second fixing piece (6).

2. A variable pitch FFC according to claim 1, wherein: the FFC main body (1) is two layers of PET insulating layers, and the first copper wire conductor (8) and the second copper wire conductor (15) are arranged between the two layers of PET insulating layers.

3. The FFC of claim 1 wherein: first mounting (2), second mounting (6), third mounting (9) and fourth mounting (14) are the insulating material who has the hardness, first copper line conductor (8) are connected with first stitch (3) through first mounting (2), third mounting (9), first mounting (2) and third mounting (9), the one end of second copper line conductor (15) is passed through second mounting (6) and is connected with second stitch (7), the other end of second copper line conductor (15) passes through fourth mounting (14) and is connected with third stitch (13).

4. The FFC of claim 1 wherein: the conductor (10) is provided with a first clamping hole (11) matched with the third pin (13), and the third pin (13) is clamped on the conductor (10) through the first clamping hole (11).

5. A variable pitch FFC according to claim 1, wherein: be provided with on connecting piece (4) with third mounting (9) assorted draw-in groove (16), draw-in groove (16) inner wall is provided with activity groove (18), sliding connection has movable block (17) in activity groove (18), be provided with spring (19) between movable block (17) and activity groove (18).

6. The FFC of claim 5 wherein: the surface of the movable block (17) is provided with a rubber sleeve.

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