CN211404817U - Fixing structure of flexible flat cable electric connector - Google Patents

Abstract

A fixing structure of a flexible flat cable electric connector comprises a flexible flat cable, a plurality of terminals, a first shell, a spacer and a cover body. The flexible flat cable includes a plurality of conductors and an insulator. A plurality of the conductors are used to transmit power or data signals. Each terminal is connected with the corresponding conductor. The first shell comprises an opening and a plurality of accommodating grooves, and each accommodating groove is used for accommodating the corresponding terminal. The spacer is used for covering the opening, wherein a plurality of terminals protrude out of the spacer. The cover covers a portion of the plurality of conductors. The utility model discloses a soft winding displacement electric connector fixed knot constructs has simple structure's characteristics, is convenient for consequently install in frivolous small and exquisite electronic product.

Description

Flexible flat cable electrical connector fixing structure

technical field

The utility model relates to a fixing structure for an electrical connector of a flexible cable, in particular to a fixing structure for an electrical connector of a flexible cable that is easy to install.

Background technique

Flex Flat Cable (FFC) is a new type of data cable. It is made of insulating material and extremely thin tinned flat copper wire, which is laminated by automated equipment. Due to its neat arrangement of cores, large transmission capacity, flat structure, small size, convenient disassembly, and flexibility, it can be easily and flexibly applied to various electronic products as a data transmission cable. Flexible flat cables are especially suitable for various high-frequency bending occasions, such as the connection of moving parts. In connection, it can not only be plugged with connectors, but also can be directly soldered on the printed circuit board.

Because the volume of electronic products is also designed to be light, thin and compact, the size of cables used in electronic products must also be reduced, which also increases the difficulty of assembling flexible flat cables.

Utility model content

The purpose of the present utility model is to provide a fixing structure of a flexible cable electrical connector, which is simple in structure and solves the technical problem that it is not easy to install.

The utility model provides a fixing structure of a flexible cable electrical connector, which comprises a flexible cable, several terminals, a first casing, a spacer and a cover. The flexible flat cable includes several conductors and an insulator. Several of the conductors are used to transmit power or data signals. Each terminal is connected to the corresponding conductor. The first housing includes an opening and a plurality of accommodating grooves, and each accommodating groove is used for accommodating the corresponding terminal. The spacer is used to cover the opening, and several of the terminals protrude from the spacer. The cover covers a portion of the conductors.

According to an embodiment of the present invention, the flexible flat cable electrical connector fixing structure further includes a second casing, and the second casing covers the first casing.

According to an embodiment of the present invention, the second casing includes an upper casing and a lower casing that are assembled with each other.

According to an embodiment of the present invention, the flexible flat cable further includes a metal shielding layer for surrounding a plurality of the conductors.

According to the embodiment of the present invention, the metal shielding layer is an aluminum foil.

According to an embodiment of the present invention, a pattern is embossed on the surface of the insulator.

According to an embodiment of the present invention, the cover body includes an insertion hole, and the flexible cable is inserted into the insertion hole so that the plurality of terminals are connected to the plurality of conductors.

According to an embodiment of the present invention, the spacer includes a plurality of notches, and each terminal protrudes from the corresponding notches.

According to an embodiment of the present invention, the insulator includes a plurality of first insulating jackets and a second insulating jacket. Each of the first insulating jackets covers one of the conductors. The second insulating jacket surrounds several first insulating jackets.

According to an embodiment of the present invention, the first insulating jacket and the second insulating jacket are respectively made of polyethylene (PE), polyvinyl chloride (PVC), thermoplastic elastomer (TPE), thermoplastic Polyurethane (Thermoplastic Polyurethane, TPU), thermoplastic rubber (thermoplastic rubber, TPR), thermoplastic polyolefin (Thermoplastic Polyolefin, TPO), Polyurethane (Polyurethane, PUR), Polypropylene (Polypropylene, PP), Polyolefins (Polyolefins, PO), PVDF (PolyVinyliDene Fluoride), ethylene-chlorotrifluororthylene copolymer (ECTFE), ethylene-tetra-fluoro-ethylene (ethylene-tetra-fluoro-ethylene, ETFE), Teflon polyperfluoroethylene propylene Resin (Teflon Fluorinated ethylenepropylene, Teflon FEP), polytetrafluoroethylene (Polytetrafluoroethene, PTFE), Teflon (Teflon) or one of nylon (Nylon) composition.

The utility model further provides a flexible cable electrical connector fixing structure, which comprises a flexible cable, a plurality of terminals, a first casing and a second casing. The flexible flat cable includes several conductors and an insulator. Several of the conductors are used to transmit power or data signals. Each terminal is connected to the corresponding conductor. The first housing includes an opening and a plurality of accommodating grooves, and each accommodating groove is used for accommodating the corresponding terminal. The second casing wraps a portion of the first casing.

According to an embodiment of the present invention, the second casing includes an upper casing and a lower casing that are assembled with each other.

According to an embodiment of the present invention, the flexible flat cable electrical connector fixing structure further includes a spacer and a cover, the spacer is used to cover the opening, and a plurality of the terminals protrude from the spacer. The cover covers a portion of the conductors. The second shell covers the cover.

According to an embodiment of the present invention, the flexible flat cable further includes a metal shielding layer for surrounding a plurality of the conductors.

According to the embodiment of the present invention, the metal shielding layer is an aluminum foil.

According to an embodiment of the present invention, a pattern is embossed on the surface of the insulator.

According to an embodiment of the present invention, the spacer includes a plurality of notches, and each terminal protrudes from the corresponding notches.

According to an embodiment of the present invention, the insulator includes a plurality of first insulating jackets and a second insulating jacket. Each of the first insulating jackets covers one of the conductors. The second insulating jacket surrounds several first insulating jackets.

According to an embodiment of the present invention, the first insulating jacket and the second insulating jacket are respectively made of polyethylene (PE), polyvinyl chloride (PVC), thermoplastic elastomer (TPE), thermoplastic Polyurethane (Thermoplastic Polyurethane, TPU), thermoplastic rubber (thermoplastic rubber, TPR), thermoplastic polyolefin (Thermoplastic Polyolefin, TPO), Polyurethane (Polyurethane, PUR), Polypropylene (Polypropylene, PP), Polyolefins (Polyolefins, PO), PVDF (PolyVinyliDene Fluoride), ethylene-chlorotrifluororthylene copolymer (ECTFE), ethylene-tetra-fluoro-ethylene (ethylene-tetra-fluoro-ethylene, ETFE), Teflon polyperfluoroethylene propylene Resin (Teflon Fluorinated ethylenepropylene, Teflon FEP), polytetrafluoroethylene (Polytetrafluoroethene, PTFE), Teflon (Teflon) or one of nylon (Nylon) composition.

Compared with the prior art, the fixing structure of the flexible flat cable electrical connector of the present invention has the characteristics of simple structure, so it is easy to be installed in light, thin and compact electronic products.

In order to further understand the features and technical means of the present invention, as well as the specific functions and purposes achieved, more specific embodiments are listed, followed by the drawings and drawing numbers to be described in detail as follows.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 and 2 are exploded views of the fixing structure of the flexible flat cable electrical connector according to the first embodiment of the present invention from opposite perspectives.

FIG. 3 is a structural diagram showing the assembled terminal, spacer and flexible flat cable of FIG. 1 .

4 is a perspective view of the fixing structure of the flexible flat cable electrical connector according to the first embodiment of the present invention.

FIG. 5 is a structural diagram of a flexible flat cable according to an embodiment.

FIG. 6 is a structural diagram of a flexible flat cable according to another embodiment.

7 and 8 are respectively exploded views of the fixing structure of the flexible flat cable electrical connector according to the second embodiment of the present invention from opposite perspectives.

FIG. 9 is a structural diagram showing the assembled terminal, spacer, cover and flexible cable of FIG. 7 .

10 is a perspective view of the fixing structure of the flexible flat cable electrical connector according to the second embodiment of the present invention.

11 and 12 are respectively exploded views of the fixing structure of the flexible flat cable electrical connector according to the third embodiment of the present invention from opposite perspectives.

FIG. 13 is a structural diagram showing the assembled terminal, spacer, cover and flexible cable of FIG. 7 .

14 is a perspective view of the fixing structure of the flexible flat cable electrical connector according to the third embodiment of the present invention.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in various instances for the purpose of simplicity and clarity, and does not in itself indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Please refer to FIG. 1 and FIG. 2 . FIGS. 1 and 2 are exploded views of the flexible flat cable electrical connector fixing structure 100 according to the first embodiment of the present invention from opposite perspectives. The flexible flat cable electrical connector fixing structure 100 can be inserted into the electrical connector. The electrical connector may be a connector with a data rate greater than 1Gb/s, such as HDMI/USB3.0/USB3.1/Display Port/SATA. The flexible cable electrical connector fixing structure 100 includes a flexible cable 10 , a plurality of terminals 20 , a first housing 30 , a spacer 40 and a cover 50 . The flexible flat cable 10 includes several conductors 12 and an insulator 14 . A plurality of conductors 12 are arranged in parallel with each other for transmitting power or data signals. Each terminal 20 is connected to a corresponding conductor 12 . The first housing 30 includes an opening 31 and a plurality of accommodating grooves 32 , each accommodating groove 32 is used for accommodating a corresponding terminal 20 . The spacer 40 is used to cover the opening 31 . The cover 50 covers part of the conductors 12 .

Please refer to FIG. 1 , FIG. 2 and FIG. 3 together. FIG. 3 is a structural diagram of the assembled terminal 20 , the spacer 40 and the flexible cable 10 of FIG. 1 . The cross-sections of the conductors 12 are circular, and the outer surfaces of the two sides of the insulator 14 are provided with embossing patterns 148 . Several conductors 12 of the flexible flat cable 10 protrude from the insulator 14 .

The spacer 40 includes a plurality of notches 41 . When the terminals 20 are inserted into the receiving grooves 32 in the first housing 30 and the spacer 40 is covered with the opening 31 , each terminal 20 will protrude from the corresponding notches 41 , so that Contact conductor 12 .

The terminal 20 includes a connection end 201 and a contact end 202 , and the connection end 201 has a riveting portion 203 . The extending direction of the crimping portion 203 is perpendicular to the extending direction of the conductor 12 . When the terminal 20 is connected to the conductor 12 , the crimping portion 203 is in close contact with the conductor 12 . The contact end 202 may be an arc-shaped protruding structure.

Preferably, the outer surface of the insulator 14 in this embodiment is provided with an embossing pattern 148, and the embossing pattern 148 may be a number of parallel line patterns, or a number of curves, or a regularly arranged circle, ellipse, triangle, The patterns of squares, diamonds, regular hexagons, etc., can also be irregularly arranged patterns, or several consecutive bumps. The flexible flexible cable 10 of this embodiment can increase the surface area of the flexible flexible cable 10 without increasing the width of the flexible cable, improve the heat dissipation capability of the flexible cable, and further improve the current withstand capability of the flexible flexible cable. Therefore, the flexible flat cable 10 of this embodiment can improve the problem that the size is not easily reduced. The embossed pattern 148 may be created by embossing directly on the outer surface of the insulator 14 using an automated lamination equipment.

Please refer to FIG. 4 , which is a perspective view of the fixing structure 100 of the flexible flat cable electrical connector according to the first embodiment of the present invention. The cover 50 covers part of the first housing 30 , part of the insulator 14 of the flexible flat cable 10 , the connecting end 201 of the terminal 20 and the exposed conductors 12 . The cover body 50 includes an insertion hole 51 , and the flexible cable 10 is inserted into the insertion hole 51 to connect the plurality of terminals 20 to the plurality of conductors 12 . The cover body 50 may be formed on the conductors 12 by an insert molding process, so as to completely cover the exposed conductors 12 .

Please refer to FIG. 5 , which is a structural diagram of the flexible flat cable 10 according to an embodiment. The insulator 14 of the flexible flat cable 10 includes a metal shielding layer 144 , a plurality of first insulating jackets 141 and a second insulating jacket 142 . Several conductors 12 are arranged in parallel with each other, and the cross section of the conductors 12 is circular. Each of the first insulating jackets 141 covers one of the conductors 12 . The second insulating jacket 142 surrounds the first insulating jackets 141 , and embossing patterns 148 are provided on both outer surfaces of the second insulating jacket 142 . Several conductors 12 of the flexible flat cable 10 protrude from the first insulating jacket 141 and the second insulating jacket 142 . The metal shielding layer 144 covers the first insulating jacket 141 and is located between the first insulating jacket 141 and the second insulating jacket 142, and is used to form a metal shield, which can reduce the damage to the adjacent conductors 12 during high-speed signal transmission. interference. Preferably, the metal shielding layer 144 may be an aluminum foil.

Please refer to FIG. 6 . FIG. 6 is a structural diagram of the flexible flat cable 10 according to another embodiment. The insulator 14 of the flexible flat cable 10 includes a plurality of first insulating jackets 141 and a second insulating jacket 142 . Several conductors 12 are arranged in parallel with each other, and the cross section of the conductors 12 is circular. Each of the first insulating jackets 141 covers one of the conductors 12 . The second insulating jacket 142 surrounds the first insulating jackets 141 , and embossing patterns 148 are provided on both outer surfaces of the second insulating jacket 142 . Several conductors 12 of the flexible flat cable 10 protrude from the first insulating jacket 141 and the second insulating jacket 142 .

The first insulating jacket 141 and the second insulating jacket 142 are respectively made of polyethylene (PE), polyvinyl chloride (PVC), thermoplastic elastomer (TPE), thermoplastic polyurethane (Thermoplastic Polyurethane, TPU). , thermoplastic rubber (thermoplastic rubber, TPR), thermoplastic polyolefin (Thermoplastic Polyolefin, TPO), polyurethane (Polyurethane, PUR), polypropylene (Polypropylene, PP), polyolefin (Polyolefins, PO), PVDF (PolyVinyliDene Fluoride), ethylene --- Ethylene-chlorotrifluororthylene copolymer (ECTFE), ethylene-tetrafluoroethylene copolymer (ethylene-tetra-fluoro-ethylene, ETFE), Teflon Fluorinated ethylene propylene resin (Teflon Fluorinated ethylene propylene, Teflon FEP), polytetrafluoroethylene (Polytetrafluoroethene, PTFE), Teflon (Teflon) or one of nylon (Nylon).

Please refer to FIGS. 7 and 8 . FIGS. 7 and 8 are respectively exploded views of the fixing structure 200 of the flexible flat cable electrical connector according to the second embodiment of the present invention from opposite perspectives. The flexible flat cable electrical connector fixing structure 200 can be inserted into the electrical connector. The electrical connector may be a connector with a data rate greater than 1Gb/s, such as HDMI/USB3.0/USB3.1/Display Port/SATA. The flexible cable electrical connector fixing structure 200 includes a flexible cable 10 , a plurality of terminals 20 , a first casing 30 , a spacer 40 , a cover 50 and a second casing 60 . The second casing 60 includes an upper casing 61 and a lower casing 62 which are assembled with each other. The flexible flat cable 10 includes several conductors 12 and an insulator 14 . A plurality of conductors 12 are arranged in parallel with each other for transmitting power or data signals. Each terminal 20 is connected to a corresponding conductor 12 . The first housing 30 includes an opening 31 and a plurality of accommodating grooves 32 , each accommodating groove 32 is used for accommodating a corresponding terminal 20 . The spacer 40 is used to cover the opening 31 . The cover 50 covers part of the conductors 12 .

Please refer to FIG. 7 , FIG. 8 and FIG. 9 together. FIG. 9 is a structural diagram of the assembled terminal 20 , the spacer 40 , the cover 50 and the flexible cable 10 of FIG. 7 . The cross-sections of the conductors 12 are circular, and the outer surfaces of the two sides of the insulator 14 are provided with embossing patterns 148 . Several conductors 12 of the flexible flat cable 10 protrude from the insulator 14 . The spacer 40 includes a plurality of notches 41 . When the terminals 20 are inserted into the receiving grooves 32 in the first housing 30 and the spacer 40 is covered with the opening 31 , each terminal 20 will protrude from the corresponding notches 41 , so that Contact conductor 12 . The terminal 20 includes a connection end 201 and a contact end 202 , and the connection end 201 has a riveting portion 203 . The extending direction of the crimping portion 203 is perpendicular to the extending direction of the conductor 12 . When the terminal 20 is connected to the conductor 12 , the crimping portion 203 is in close contact with the conductor 12 . The contact end 202 may be an arc-shaped protruding structure.

Preferably, the outer surface of the insulator 14 in this embodiment is provided with an embossing pattern 148, and the embossing pattern 148 may be a number of parallel line patterns, or a number of curves, or a regularly arranged circle, ellipse, triangle, The patterns of squares, diamonds, regular hexagons, etc., can also be irregularly arranged patterns, or several consecutive bumps. The flexible flexible cable 10 of this embodiment can increase the surface area of the flexible flexible cable 10 without increasing the width of the flexible cable, improve the heat dissipation capability of the flexible cable, and further improve the current withstand capability of the flexible flexible cable. Therefore, the flexible flat cable 10 of this embodiment can improve the problem that the size is not easily reduced. The embossed pattern 148 may be created by embossing directly on the outer surface of the insulator 14 using an automated lamination equipment.

The cover 50 covers part of the first housing 30 , part of the insulator 14 of the flexible flat cable 10 , the connecting end 201 of the terminal 20 and the exposed conductors 12 . The cover body 50 includes an insertion hole 51 , and the flexible cable 10 is inserted into the insertion hole 51 to connect the plurality of terminals 20 to the plurality of conductors 12 . The cover body 50 may be formed on the conductors 12 by an insert molding process, so as to completely cover the exposed conductors 12 .

Please refer to FIG. 10 . FIG. 10 is a perspective view of the fixing structure 200 of the flexible flat cable electrical connector according to the second embodiment of the present invention. After that, the upper casing 61 and the lower casing 62 are assembled together to form the second casing 60 , so that part of the cover body 50 is covered by the second casing 60 . The second case 60 can strengthen the protection cover 50 .

Please refer to FIG. 11 and FIG. 12 , which are respectively exploded views of the fixing structure 300 of the flexible flat cable electrical connector according to the third embodiment of the present invention from opposite perspectives. The flexible flat cable electrical connector fixing structure 300 can be inserted into the electrical connector. The electrical connector may be a connector with a data rate greater than 1Gb/s, such as HDMI/USB3.0/USB3.1/Display Port/SATA. The flexible cable electrical connector fixing structure 300 includes a flexible cable 10 , a plurality of terminals 20 , a first casing 30 , a spacer 40 , a cover 70 and a second casing 60 . The second casing 60 includes an upper casing 61 and a lower casing 62 which are assembled with each other. The flexible flat cable 10 includes several conductors 12 and an insulator 14 . A plurality of conductors 12 are arranged in parallel with each other for transmitting power or data signals. Each terminal 20 is connected to a corresponding conductor 12 . The first housing 30 includes an opening 31 and a plurality of accommodating grooves 32 , each accommodating groove 32 is used for accommodating a corresponding terminal 20 . The spacer 40 is used to cover the opening 31 . The cover 50 covers part of the conductors 12 .

Please refer to FIG. 11 , FIG. 12 and FIG. 13 together. FIG. 13 is a structural diagram of the assembled terminal 20 , the spacer 40 , the cover 70 and the flexible cable 10 of FIG. 7 . The cross-sections of the conductors 12 are circular, and the outer surfaces of the two sides of the insulator 14 are provided with embossing patterns 148 . Several conductors 12 of the flexible flat cable 10 protrude from the insulator 14 . The spacer 40 includes a plurality of notches 41 . When the terminals 20 are inserted into the receiving grooves 32 in the first housing 30 and the spacer 40 is covered with the opening 31 , each terminal 20 will protrude from the corresponding notches 41 , so that Contact conductor 12 . The terminal 20 includes a connection end 201 and a contact end 202 , and the connection end 201 has a riveting portion 203 . The extending direction of the crimping portion 203 is perpendicular to the extending direction of the conductor 12 . When the terminal 20 is connected to the conductor 12 , the crimping portion 203 is in close contact with the conductor 12 . The contact end 202 may be an arc-shaped protruding structure.

Preferably, the outer surface of the insulator 14 in this embodiment is provided with an embossing pattern 148, and the embossing pattern 148 may be a number of parallel line patterns, or a number of curves, or a regularly arranged circle, ellipse, triangle, The patterns of squares, diamonds, regular hexagons, etc., can also be irregularly arranged patterns, or several consecutive bumps. The flexible flexible cable 10 of this embodiment can increase the surface area of the flexible flexible cable 10 without increasing the width of the flexible cable, improve the heat dissipation capability of the flexible cable, and further improve the current withstand capability of the flexible flexible cable. Therefore, the flexible flat cable 10 of this embodiment can improve the problem that the size is not easily reduced. The embossed pattern 148 may be created by embossing directly on the outer surface of the insulator 14 using an automated lamination equipment.

The cover 70 covers part of the first housing 30 , part of the insulator 14 of the flexible flat cable 10 , the connecting end 201 of the terminal 20 and the exposed conductors 12 . The flexible flat cable 10 is placed in the cover body 70 so that the plurality of terminals 20 are connected to the plurality of conductors 12 . The cover body 70 may be formed on the conductors 12 by an insert molding process, so as to completely cover the exposed conductors 12 .

Please refer to FIG. 14 . FIG. 14 is a perspective view of the fixing structure 300 of the flexible flat cable electrical connector according to the third embodiment of the present invention. After that, the upper casing 61 and the lower casing 62 are assembled together to form the second casing 60 , so that the cover body 70 is covered by the second casing 60 . The second case 60 can strengthen the protection cover 70 .

As understood by those skilled in the art, the flexible flexible cable 10 of the flexible flexible cable electrical connector fixing structures 200 and 300 can selectively use the solution shown in FIG. 5 or FIG. 6 , which also belongs to the scope of the present invention. .

Compared with the prior art, the fixing structure of the flexible flat cable electrical connector of the present invention has the characteristics of simple structure, so it is easy to be installed in light, thin and compact electronic products.

Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Those skilled in the art can make various changes without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims (19)

1. A flexible flat cable electrical connector fixing structure, characterized in that it comprises: Flexible flat cable, including: conductors for carrying power or data signals; and an insulator covering a number of the conductors; a plurality of terminals, each terminal is connected to the corresponding conductor; The first housing includes an opening and a plurality of accommodating grooves, each accommodating groove is used for accommodating the corresponding terminal; a spacer for covering the opening, wherein a plurality of the terminals protrude from the spacer; and The cover covers a portion of the conductors. 2 . The fixing structure of the flexible flat cable electrical connector according to claim 1 , further comprising a second casing, and the second casing covers a portion of the first casing. 3 . 3 . The fixing structure of the flexible flat cable electrical connector according to claim 2 , wherein the second shell comprises an upper shell and a lower shell which are assembled with each other. 4 . 4 . The fixing structure of the flexible flat cable electrical connector according to claim 1 , wherein the flexible flat cable further comprises a metal shielding layer for surrounding the conductors. 5 . 5 . The fixing structure of the flexible flat cable electrical connector according to claim 4 , wherein the metal shielding layer is an aluminum foil. 6 . 6 . The fixing structure of the flexible flat cable electrical connector according to claim 1 , wherein a pattern is embossed on the surface of the insulator. 7 . 7 . The fixing structure of the flexible flat cable electrical connector according to claim 4 , wherein the cover body comprises an insertion hole, and the flexible flat cable is inserted into the insertion hole so that a plurality of the terminals are connected to a plurality of the conductors. 8 . . 8 . The fixing structure of the flexible flat cable electrical connector according to claim 1 , wherein the spacer comprises a plurality of notches, and each terminal protrudes from the corresponding notches. 9 . 9 . The fixing structure of the flexible flat cable electrical connector according to claim 1 , wherein the insulator comprises: a plurality of first insulating jackets, each first insulating jacket covering one of the conductors; and The second insulating jacket surrounds several of the first insulating jackets. 10 . The fixing structure of the flexible flat cable electrical connector according to claim 9 , wherein the first insulating jacket and the second insulating jacket are respectively made of polyethylene, polyvinyl chloride, thermoplastic elastomer, thermoplastic polyurethane , thermoplastic rubber, thermoplastic polyolefin, polyurethane, polypropylene, polyolefin, PVDF, ethylene-chlorotrifluoroethylene copolymer, ethylene-tetrafluoroethylene copolymer, Teflon polyperfluoroethylene propylene resin, polytetrafluoroethylene, Teflon or one of nylon composition. 11. A flexible flat cable electrical connector fixing structure, characterized in that it comprises: Flexible flat cable, including: conductors for carrying power or data signals; and an insulator covering a number of the conductors; a plurality of terminals, each terminal is connected to the corresponding conductor; The first housing includes a plurality of accommodating grooves, each accommodating groove is used for accommodating the corresponding terminal; and A second casing, the second casing wraps a portion of the first casing. 12 . The fixing structure of the flexible flat cable electrical connector according to claim 11 , wherein the second shell comprises an upper shell and a lower shell which are assembled with each other. 13 . 13 . The fixing structure of the flexible flat cable electrical connector according to claim 11 , wherein the first housing comprises an opening, the flexible flat wiring electrical connector fixing structure further comprises a spacer and a cover, the The spacer is used to cover the opening, a plurality of the terminals protrude from the spacer, the cover covers a part of the conductors, and the second shell covers the cover. 14 . The fixing structure of the flexible flat cable electrical connector according to claim 11 , wherein the flexible flat cable further comprises a metal shielding layer for surrounding a plurality of the conductors. 15 . 15. The flexible flat cable electrical connector fixing structure according to claim 14, wherein the metal shielding layer is an aluminum foil. 16 . The fixing structure of the flexible flat cable electrical connector according to claim 11 , wherein a pattern is embossed on the surface of the insulator. 17 . 17. The flexible flat cable electrical connector fixing structure according to claim 13, wherein the spacer comprises a plurality of notches, and each terminal protrudes from the corresponding notches. 18. The fixing structure of the flexible flat cable electrical connector according to claim 11, wherein the insulator comprises: a plurality of first insulating jackets, each first insulating jacket covering one of the conductors; and The second insulating jacket surrounds several of the first insulating jackets. 19 . The fixing structure of the flexible flat cable electrical connector according to claim 18 , wherein the first insulating jacket and the second insulating jacket are respectively made of polyethylene, polyvinyl chloride, thermoplastic elastomer, thermoplastic polyurethane , thermoplastic rubber, thermoplastic polyolefin, polyurethane, polypropylene, polyolefin, PVDF, ethylene-chlorotrifluoroethylene copolymer, ethylene-tetrafluoroethylene copolymer, Teflon polyperfluoroethylene propylene resin, polytetrafluoroethylene, Teflon or one of nylon composition.

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