CN2744008Y - Flexible cable connector connector - Google Patents

Abstract

The utility model relates to a connector of a flexible flat cable connector, which is electrically spliced with a socket, wherein an upper row of terminals and a lower row of terminals are spliced in the socket; this joint includes: an insulation body, both sides of which are respectively formed with a notch, and the sides of each notch are respectively provided with a positioning block, and the front side of the insulation body is provided with a plurality of spring sheet grooves with through holes; a bottom sheet arranged on the insulating body, wherein two sides of the bottom sheet are respectively provided with a lug which can be placed in the gap, the side of each lug is respectively provided with a positioning hole which can be positioned by the positioning block, and the front side is provided with a plurality of elastic sheets which extend into the elastic sheet groove; and a top sheet covering the bottom sheet in a sliding manner on the insulating body, wherein two sides of the top sheet are respectively provided with a side wall which is embedded relative to the shape of each side edge of the insulating body, and the side of each side wall is respectively provided with an elastic arm which is electrically contacted with the lug and is abutted against the corresponding notch to prevent withdrawal.

Description

Flexible cable connector connector

technical field

The utility model relates to a joint of a flexible flat cable connector, in particular to a joint of a flexible flat cable connector which is applied to a flexible flat cable and is used for electric insertion with a socket to transmit signals.

Background technique

There must be many parts inside electronic products that must transmit electronic signals from one place to another. The method is to directly use the electrical connection of the electrical connector to transmit, or through a flexible cable and a flexible cable connector. Electric plug and transfer.

Please refer to the socket 1 shown in Fig. 1 which is currently available on the market and is used for flexible cable connectors. The terminals 12 and the lower row of terminals 13 plugged into the lower row inside the docking body 11 , each of the upper and lower rows of terminals 12 , 13 has bent-shaped protruding contact portions 121 , 131 facing up and down facing each other.

Also referring to Fig. 1, the conventional connector 2 plugged into the socket 1 includes an insulating body 21, and top and bottom sheets 22, 23 respectively arranged on the top and bottom sides of the insulating body 21, the top and bottom sheets 22 A flexible flat cable 3 is fixedly connected between one of , 23 and the insulating body 21 by means of adhesion, so that the contact portion 31 at one end of the flexible flat cable 3 can be exposed from the connector 2 .

Among them, (1) the flexible cable 3 is provided with a layer of contact surface 32 made of silver paste, which is intended to be in electrical contact with the metal top or bottom sheet 22 or 23 to reduce EMI interference , but it sticks the flexible flat cable 3 between the top or bottom sheet 22 or 23 and the insulating body 21 in an adhesive manner, resulting in that the contact mesh surface 32 is not in electrical contact with the top or bottom sheet 22 or 23 at all. It is impossible to reduce the interference of EMI, and even the adhesive used in it has the defect that it is easy to overflow the glue and cause poor contact; It has the effect of easily inserting the connector 2 together with the flexible cable 3 into the aforementioned socket 1, but the pull tab 33 is a soft rubber sheet, which is easy to insert the connector 2 into the socket 1, but Due to the difficulty of applying force, it is difficult to pull out the connector 2 from the socket 1 in the opposite direction; (3) Although the contact part 31 of the flexible flat cable 3 is originally designed to electrically contact the top or bottom plate 22 or 23 To achieve the grounding effect, but the fixed connection therebetween is done in an adhesive manner, causing it to lose the grounding effect; (4) Even, the top and bottom sheets 22, 23 are only buckled on the insulating body 21 with their two ends respectively. At both ends, the structural stress between the top and bottom plates 22, 23 and the insulating body 21 is insufficient and not tight, resulting in poor contact.

Contents of the invention

The purpose of this utility model is to provide a joint of a flexible cable connector, which can fix the joint in a tighter and better fixing strength, so that the joint no longer fixes the flexible cable in an adhesive manner, thereby Reducing the effect of low EMI interference can be brought into play, and the phenomenon of glue overflow will no longer occur; and it can also have a better grounding effect because of the tight contact with each other and better fixing strength; in addition, it can because of better Fix strength and structural stress so that there are no known poor connections.

Another purpose of the present utility model is to provide a joint of a flexible flat cable connector, which can greatly strengthen the electrical contact between the joint and the flexible flat cable, so as to improve its grounding effect and reduce the effect of EMI interference; The cable can be more firmly fixed on the connector and not easy to fall off.

The above purpose of the utility model is achieved in this way, a joint of a flexible cable connector is plugged into a socket, and the socket is provided with upper and lower rows of terminals with contact parts; it is characterized in that the joint includes:

An insulative body with a gap formed on both sides, and a plurality of through holes corresponding to the contact parts of the lower row of terminals are provided on the front side;

a bottom sheet, which is arranged on the insulating body, has a lug inserted into the notch on both sides, and a plurality of shrapnels respectively covering the perforations on the front side; and

A top sheet is covered on the bottom sheet in a manner of sliding connection to the insulating body, and a side wall is formed on both sides of the top sheet relative to the shape of the corresponding side of the insulating body, and each side of the side wall is provided with a An elastic arm electrically contacts the lug and abuts against the corresponding notch to prevent withdrawal;

By sandwiching a flexible cable with a contact surface on the bottom side between the top and bottom sheets, the bottom sheet can be in electrical contact with the flexible cable and the contact mesh surface, and the elastic arm of the top sheet passes through the bottom sheet The lugs of the connector are grounded; the connector is plugged into the socket, and the contact parts of the lower terminals are inserted into and locked in the through holes of the insulating body.

The utility model is described in detail below in conjunction with the embodiment shown in the accompanying drawings.

Description of drawings

Fig. 1 is an exploded schematic diagram of a conventional flexible cable connector;

Fig. 2 is the three-dimensional exploded view of the joint of the utility model;

Fig. 3 is the three-dimensional assembly diagram of the joint of the present invention;

Fig. 4 is the top view of the joint of the utility model;

Fig. 5 is the bottom view of the joint of the utility model;

Fig. 6 is a longitudinal sectional view of the utility model joint;

Figure 7 is a cross-sectional view of the utility model joint;

Fig. 8 is another perspective view of the top sheet in the joint of the present invention;

Fig. 9 is a three-dimensional exploded view of another embodiment of the joint of the present invention.

Explanation of reference numerals: 1 socket; 11 docking body; 12 upper row of terminals; 121 contact part; 13 lower row of terminals; 131 contact part; Contact part; 32 contact mesh surface; 33 pull piece; 4 top piece; 41 side wall; 42 spring arm; 43 pull piece; 431 opening; 44 bead; 4a top piece; 5 bottom piece; 51 lug; 511 positioning hole; 52 shrapnel; 5a bottom piece; 53 bending part; 54 pull piece; 541 opening; 6 insulating body; 61 side plate; 611 notch; 62 positioning block; 71 touches the mesh surface.

Detailed ways

Please refer to the joint of the flexible flat cable connector of the present invention shown in Figures 2 to 7, which is used for the electrical connection of flexible flat cables in thin electronic products, for example, the joint includes a top sheet 4, a bottom sheet 5, and an insulating body 6, and a flexible cable 7 is electrically clamped therebetween.

The top sheet 4 is made of metal, with sidewalls 41 formed on both sides, and a pull tab 43 protruding backwards is provided on the rear side. An opening 431 is formed between the pull tab 43 and the top sheet 4, and the top sheet An elastic arm 42 is also provided on both near sides of the sheet 4 . The space between each of the side walls 41 and the top sheet 4 is roughly in a U-shape lying on the side, so as to facilitate sliding combination with the insulating body 6 . Further, as shown in FIG. 8 , the bottom surface of the top sheet 4 is further provided with beading 44 which are substantially parallel to each other.

The base plate 5 is made of metal, with a lug 51 formed on both sides, and a plurality of elastic pieces 52 arranged on the front side, and a positioning hole 511 is respectively formed on both sides of the base plate 5 .

The insulating body 6 is an insulating material, and a side plate 61 is formed on each of its two sides. A gap 611 is formed on the side plate 61, and a plurality of elastic grooves 64 corresponding to the aforementioned elastic pieces 52 are provided on the front side. 64 each has a perforation 641, and a recessed accommodating groove 63 is formed between the four sides of the insulating body 6, and a positioning block corresponding to the positioning hole 511 is provided on the opposite inner edge of each of the aforementioned side plates 61. 62.

The bottom surface of the flexible flat cable 7 is provided with a conventional contact mesh surface 71 for reducing EMI interference.

The bottom sheet 5 is accommodated on the insulating body 6, so that the lug 51 is properly positioned in the gap 611, and the positioning hole 511 is suitable for being positioned by the positioning block 62, so that it has the effect of interference positioning and not easy to fall off due to interference. And make each of the elastic pieces 52 extend into each of the elastic piece slots 64 and cover each of the perforations 641 . Certainly, the bottom sheet 5 also has a corresponding recess corresponding to the accommodating groove 63 to facilitate the positioning of the flexible cable 7 .

The flexible cable 7 is arranged between the two lugs 51 of the bottom sheet 5 (that is, in the corresponding recess), so as to be sandwiched between the top and bottom sheets 4, 5 (details later), and make the flexible The contact mesh surface 71 on the bottom side of the cable 7 can electrically contact the bottom sheet 5 .

The top sheet 4 is slidably connected to the rear side from the front side of the insulating body 6, and the sliding connection is realized by utilizing the two side plates 61 of the insulating body 6 to be embedded in the two U-shaped side walls 41 of the top sheet 4. , after its sliding connection, the two elastic arms 42 of the top sheet 4 can be located in the aforementioned gap 611. At this time, each of the elastic arms 42 can electrically contact the corresponding lug 51 (to have a grounding effect), and each of the elastic arms 42 can be electrically contacted with the corresponding lug 51 (to have a grounding effect). The free end of the elastic arm 42 can also abut against the inner wall of the notch 611 in a manner opposite to the sliding direction, so that the top piece 4 has the effect of being unable to withdraw in the opposite direction.

The top sheet 4 can also utilize a pair of press strips 44 added on its bottom surface, so that the flexible cable 7 can be clamped more tightly between the top and bottom sheets 4, 5, and the pair of press strips 44 is also relatively The electrical contact end of the flexible flat wire 7, therefore, in addition to having a more compact structural strength, can further strengthen the electrical contact of the joint of the utility model, and enable the flexible flat wire 7 to be more stably fixed on the film 5. Of course, if the bottom surface of the flexible flat cable 7 also has a bottom protrusion (not shown), and the bottom protrusion also corresponds to the accommodating groove 63 of the aforementioned insulating body 6 (or the corresponding depression of the bottom sheet 5) When the bottom protrusion is embedded in the corresponding depression between the two lugs 51 of the bottom sheet 5, and the bottom sheet 5 is firmly positioned on the insulating body 6, so that the flexible cable 7 can be replaced Positions securely within the fitting so it is pull-resistant. The joint of the present invention is constituted by the above-mentioned components.

When the connector of the present utility model is plugged into a conventional socket 1 (not shown), each contact portion 131 of the lower row of terminals 13 of the conventional socket 1 can extend upwards into each of the insulating body 6 on the bottom side of the connector. In the perforation 641, at this time, in addition to being in electrical contact with each of the elastic pieces 52 of the bottom sheet 5, each contact portion 131 can also be additionally snapped into each of the perforation 641 of the insulating body 6, so as to strengthen the connector and the socket. 1. Slip-off prevention effect after mating. And by the pulling piece 43 of this top piece 4 of manual operation, have the effect that connector is inserted in the socket 1 easily concurrently, and also can utilize the opening 431 of this pulling piece 43 to be easy to connect the connector from the socket 1. The effect of pulling out.

Therefore, the flexible flat cable 7 of the present utility model can be tightly clamped and fixed in the connector, and there is absolutely no need to fix the flexible flat cable by traditional adhesive methods, and there is relatively no possibility that the flexible flat cable 7 cannot be electrically contacted with the connector. The resulting known deficiency (cannot reduce EMI interference and glue overflow will occur), the utility model connector is electrically contacting the bottom sheet 5 with the two elastic arms 42 of the top sheet 4, and the bottom sheet 5 is electrically connected to the flexible cable 7 Contact, in other words, the top sheet 4 is in electrical contact with the flexible cable 7 through the bottom sheet 5 to achieve the purpose of grounding, and it can also have a better grounding effect because of its tight contact with each other and better fixing strength; The utility model connector also uses its bottom sheet to contact the contact surface 71 on the bottom side of the flexible flat cable 7, and then cooperates with the aforementioned grounding, which can indeed discharge the EMI noise through the grounding, so as to achieve effective and effective use of the bottom side contacting surface. Mesh surface 71 functions to reduce EMI interference. In addition, the clamping flexible flat cable 7 of the connector of the present invention can avoid the conventional poor contact due to its better fixing strength and structural stress.

Referring again to another embodiment of the utility model shown in Fig. 9, the aforementioned top sheet 4 provided with the pull tab 43 is changed to a top sheet 4a without the pull tab, and these pull tabs are relocated to the above described The bottom sheet 5 a is connected with a bent portion 53 between the bottom sheet 5 a and the pull tab 54 , and the pull tab 54 has an opening 541 with the same function.

To sum up, the joint of the flexible flat cable connector provided by the utility model can indeed solve the deficiency of the prior art, and can achieve the above effects.

The above is only a preferred and feasible embodiment of the utility model, and does not limit the scope of the utility model. Therefore, all equivalent changes made by using the utility model specification and accompanying drawings are included in this utility model. within the scope of protection of utility models.

Claims (9)

1. A joint of a flexible cable connector, which is plugged into a socket, and the socket is provided with upper and lower rows of terminals with contact parts; it is characterized in that the joint includes: An insulative body with a gap formed on both sides, and a plurality of through holes corresponding to the contact parts of the lower row of terminals are provided on the front side; a bottom sheet, which is arranged on the insulating body, has a lug inserted into the notch on both sides, and a plurality of elastic pieces respectively covering the perforations on the front side; and A top sheet is covered on the bottom sheet in a manner of sliding connection to the insulating body, and a side wall is formed on both sides of the top sheet relative to the shape of the corresponding side of the insulating body, and each side of the side wall is provided with a An elastic arm electrically contacts the lug and abuts against the corresponding notch to prevent withdrawal. 2. The joint of the flexible flat cable connector according to claim 1, wherein a receiving groove is formed between four sides of the insulating body, and the bottom plate interferes with the receiving groove for positioning. 3. The joint of the flexible flat cable connector according to claim 2, wherein the bottom sheet has a corresponding concave portion for receiving and positioning in the accommodating groove, and the bottom side of the flexible flat cable forms a corresponding and The bottom convex part is positioned for being accommodated in the corresponding concave part. 4. The joint of the flexible flat cable connector according to claim 1, wherein the front side of the insulating body is provided with a plurality of elastic slots corresponding to each of the elastic slots, and each of the elastic slots has the perforation. Each of the elastic pieces of the bottom sheet extends into and is positioned in each of the elastic piece grooves. 5. The joint of the flexible flat cable connector according to claim 1, wherein a positioning block is provided on each side of each notch of the insulating body, and a positioning block is provided on each side of each lug of the bottom plate corresponding to each The positioning block is a positioning hole that can be positioned by each positioning block. 6. The joint of the flexible flat cable connector according to claim 1, wherein the space between each of the side walls of the top sheet and the top sheet is a U-shape lying sideways. 7. The joint of the flexible cable connector according to claim 1, wherein a rear side of the top sheet is provided with a pull-tab slanted toward the rear, and an opening is formed between the pull-tab and the top sheet. 8. The joint of the flexible flat cable connector according to claim 1, wherein the bottom surface of the top sheet is provided with parallel beading strips, which are crimped on the flexible flat cable. 9. The joint of the flexible cable connector according to claim 1, wherein a pull-tab extending backward is provided on the rear side of the base, and an opening is formed between the pull-tab and the base.

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