TWM591719U - Plug connector assembly - Google Patents

Abstract

A plug connector combination includes an insulating seat body, a row of wire-type terminal groups, a handle and a protection piece. The insulating seat body has a top wall, a bottom wall and a pair of side walls and surrounds together to form an accommodating space inside. The cable-type terminal group has a first cable, a second cable, and a reinforcing plate. The first cable and the second cable each have a plurality of conductors exposed at the front end of the insulating seat; the reinforcing plate is clamped between the first cable and the second cable, wherein The reinforcing plate is a metal plate, wherein the leading edge of the reinforcing plate protrudes from the leading edges of the first cable and the second cable. The handle is fixed to the top wall of the insulating base, and has an operating portion extending upward. The protector is clamped to the front edge of the reinforcing plate, and the top and bottom surfaces of the protector respectively exceed the plurality of conductors of the first cable and the second conductor of the second cable Multiple conductors.

Description

Plug connector combination

This creation relates to a plug connector combination, in particular to a plug connector combination that can be inserted into a socket connector and can transmit signals.

Electrical connectors have been commonly used to transmit signals or electricity. With the development of smaller and smaller electrical connectors and the demand for faster and faster signal transmission, the conductors used by electrical connectors for transmission have been designed on circuit boards, or may be called gold fingers. However, during the manufacturing process of the golden finger of the circuit board, due to the complicated processing procedures, the manufacturing is time-consuming and still has considerable cost.

Another point to consider is that after the circuit board is completed, another cable needs to be connected to transmit signals and power. Even if the circuit board and cable are designed to meet the requirements of impedance matching, however, after the circuit board and cable are combined, the processed part of them will cause impedance mismatch. In order to improve the problem of impedance mismatch, it is necessary to focus more on the research and processing accuracy of the combined dielectric material, which ultimately increases many costs.

Furthermore, as the watt rate of the connected equipment is getting higher and higher, when the electrical connector is hot plugged, a flashover or arc may occur, which may easily damage the components of the equipment.

This creative embodiment is to provide a plug connector combination, which can effectively solve the above-mentioned problems, at least simplify the manufacturing process of the conductor used by the electrical connector for transmission, and more easily provide impedance matching.

In order to achieve the above description, a plug connector combination provided in one embodiment of the present invention includes an insulating base, a row of wire-type terminal sets, a handle, and a protector. The insulating seat body has a top wall, a bottom wall and a pair of side walls and surrounds together to form an accommodating space inside. The cable-type terminal group has a first cable, a second cable, and a reinforcing plate. The first cable and the second cable each have a plurality of conductors exposed at the front end of the insulating base; the reinforcing plate is clamped between the first cable and the second cable In which, the reinforcing plate is a metal plate, wherein the leading edge of the reinforcing plate protrudes from the leading edges of the first and second cables. The handle is fixed to the top wall of the insulating base, and has an operating portion extending upward. The protector is clamped to the front edge of the reinforcing plate, and the top and bottom surfaces of the protector respectively exceed the plurality of conductors of the first cable and the second conductor of the second cable Multiple conductors.

One embodiment of the plug connector combination according to the present invention, wherein the first cable and the second cable each have a plurality of signal wires and a plurality of non-signal wires, the plurality of signal wires and the protection The distance of the component is greater than the distance between the plurality of non-signal wires and the protection component.

One embodiment of the plug connector combination according to the present invention, wherein the plurality of signal wires of the first cable and the second cable further form a slit and an isolation conductor, the isolation conductor is located Between the protection member and the slit, the isolation conductor is not in electrical contact with other elements.

One embodiment of the plug connector combination according to the present invention, wherein the first cable and the second cable each further have a plurality of covering portions, the plurality of covering portions are close to the protection member, and correspondingly Cover the front ends of the plurality of signal wires.

The beneficial effect of this creation may be that the plug connector combination provided in this embodiment of the invention utilizes the conductor of the cable to be electrically connected to the terminal of the socket connector, which can simplify the manufacturing process and achieve impedance matching. The shielding characteristics of the cable are conducive to the transmission of high-frequency signals. In addition, the reinforcing plate and the insulating base of the cable-type terminal group can fix the cable-type terminal group well. The reinforcing plate has the effects of shielding and strengthening the structural strength. This creation can replace the gold finger of the circuit board or the traditional terminal, the processing is easier, and the impedance matching can be achieved. Furthermore, the protector can protect the conductor of the flat terminal group during the insertion and removal process. More preferably, the distance between the signal wire and the protective part is greater than the distance between the non-signal wire and the protective part, which can provide a design with a different contact timing to avoid damage to the wire or equipment end parts. In this way, the safety of equipment-side parts is increased.

In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and drawings of this creation. However, the drawings are only for reference and explanation, and are not intended to limit this creation.

For convenience, the same or equivalent elements of the various embodiments shown in the drawings have been identified using the same reference numerals. Certain terms are used in the following description for convenience only and are not limiting. The words "left", "right", "front", "back", "upper" and "lower" specify the directions in the referenced drawings. The words "forward", "forwardly", "backward", "inner", "inward", "inwardly", "outer", "outward", "outwardly", "upward", " "Upwardly", "downwardly" and "downwardly" refer to directions toward and away from the geometric center of the referenced object and its designated part, respectively.

First embodiment

Please refer to FIGS. 1 and 2 for a three-dimensional assembly diagram and an exploded view of the plug connector assembly created for this. This creation provides a plug connector assembly 1 that can be inserted into a socket (not shown) along a plugging direction. The plug connector assembly 1 includes an insulating seat body 10, an auxiliary holding seat body 20, a row of linear terminal groups 30, a protection member 40, and a handle 60.

As shown in FIGS. 3 and 4, the insulating base 10 forms an accommodating space 120 therein. The cable-type terminal group 30 is held in the insulating base 10 and has a plurality of conductors 33 exposed at the front end of the auxiliary holding base 20. The auxiliary holding base 20 is inserted into the accommodating space 120 from the rear end surface of the insulating base 10, so that the cable-type terminal group 30 is fixed to the insulating base 10 to prevent displacement of the cable-type terminal group 30. The cable of the cable-type terminal group 30 passes through the accommodating space 120 and extends to the rear end of the insulating base 10. The handle 60 is disposed on the top surface of the insulating seat body 10 and can be locked to the socket or unlocked from the socket. The components of the plug connector assembly 1 are described in detail below.

Referring to FIG. 2, the insulating base 10 has a top wall 12a, a bottom wall 12b, and a pair of side walls 14, the pair of side walls 14 are respectively connected to both sides of the top wall 12a and the bottom wall 12b, and together form the housing Space 120. The insulating base 10 is preferably made of insulating material, such as plastic. The accommodating space 120 penetrates the insulating base 10 along the insertion direction and has openings at the front and rear ends of the insulating base 10, respectively.

Please refer to FIG. 2 and FIG. 3, the auxiliary holding base 20 has a body portion 21 and a pair of extension walls 23. The body portion 21 has a plate shape. The pair of extension walls 23 are respectively connected to the two sides of the body portion 21, and the top surface of the body portion 21 protrudes two locking blocks 212 outward. However, the number of card blocks created in this invention is not limited to this, for example, it may be at least one, or more than two. As shown in FIG. 3, two engaging grooves 1230 are formed on the inner side of the top wall 12 a of the insulating base 10, and the number and position of the engaging grooves 1230 correspond to the number and position of the locking blocks 212. The locking blocks 212 are locked in the locking grooves 1230, so that the auxiliary holding base 20 is fixed in the insulating base 10. Furthermore, the top wall 12a of the insulating base 10 has a front section 121 and a rear end 123. The thickness of the front section 121 is greater than the thickness of the rear end 123, forming a drop. The thickness of the body portion 21 of the auxiliary holding seat 20 is approximately equal to the height of the drop, and the length of the body portion 21 along the insertion direction is approximately equal to the length of the drop. In other words, the body portion 21 abuts the rear end of the front section 121. The extension wall 23 extends downward close to the bottom wall 12b of the insulating base 10. The auxiliary holding base 20 holds the flat terminal group 30 in the accommodating space. The auxiliary holding base 20 may be made of an insulating material, such as plastic. But not limited to this.

Please refer to FIG. 2 again. One of the main features of this creation is the use of the cable-type terminal group 30 to transmit signals or power. The cable-type terminal group 30 has a first cable 30a, a second cable 30b, and a reinforcing plate 30c. The flat cable in this embodiment is a flexible flat cable (FFC, Flexible Flat Cable, or flexible cable), which is made of flat copper wire and an insulating material (such as PET) through a precise automated assembly line. Cable. The first cable 30a and the second cable 30b each have a plurality of conductors 33 exposed at the front end of the insulating base 10. The reinforcing plate 30c is sandwiched between the first cable 30a and the second cable 30b to strengthen the structural strength of the cable-type terminal group 30. In this embodiment, the reinforcing plate 30c is a metal plate, and the leading edge of the reinforcing plate 30c protrudes from the leading edges of the first cable 30a and the second cable 30b.

The reinforcing plate 30c in this embodiment may be a metal plate, preferably stainless steel, to prevent signal interference between the first cable 30a and the second cable 30b. In this embodiment, the thickness of the reinforcing plate 30c is about 0.3 to 0.4 millimeters (mm). In this embodiment, stainless steel is used as the material of the reinforcing plate 30c and the thickness mentioned above can provide sufficient structural strength of the cable-type terminal group during the insertion and removal process. In addition, this creative can use the flexible cable (FFC) that has already met the impedance matching and high frequency requirements to directly combine to solve the mismatch caused by the combination. More specifically, according to the requirement of impedance matching, the width of the conductor 33 may be between 0.25 and 0.5 millimeters (mm). For example, the width of the conductor 33 is between 0.25 and 0.3 mm (mm), and the differential pair impedance can be matched to 100 ohms; the width of the conductor 33 is between 0.3 and 0.5 mm (mm), and the differential pair impedance (Differential pair impedance) can be matched to 80 ohms (ohm).

Please refer to FIG. 3 and FIG. 4 again, for fixing the cable-type terminal group 30 in the insulating base 10, a positioning convex plate 325, 326 protrudes outward from each side of the reinforcing plate 30c. In addition, the inner side of the insulating base 10 forms a displacement prevention mechanism toward the accommodating space 120 to stop the positioning protrusions 325 and 326 of the reinforcing plate 30c, thereby restricting insertion of the reinforcing plate 30c along The displacement of the direction. Regarding the displacement prevention mechanism, more specifically, as shown in FIG. 4, a pair of side walls 14 of the insulating seat body 10 are respectively formed with a pair of grooves 140 along the insertion direction. The two positioning protrusions 325 and 326 are located in the pair of grooves 140 respectively. The displacement prevention mechanism of the insulating base 10 includes a first stop 142 and a second stop 143. The first stopper 142 and the second stopper 143 respectively protrude inwards from the pair of side walls 14 of the insulating base 10 and are located in the pair of grooves 140. As shown in FIG. 4, the first stop 142 and the second stop 143 abut on the front ends of the two positioning protrusions 325 and 326 respectively. The pair of extension walls 23 of the auxiliary holding seat 20 abut on the rear ends of the two positioning convex plates 325 and 326 respectively.

As shown in FIGS. 4 and 6, in this embodiment, the two positioning convex plates 325 and 326 on both sides of the reinforcing plate 30 c have different shapes, so that the assembly process can identify the cable-type terminal group 30 Positive and negative. The front end of one of the positioning convex plates 325 forms a beveled edge 3251, and the front end of the other positioning convex plate 326 forms a straight edge 3261.

As shown in FIG. 5, another major feature of this creation is that the protective member 40 is clamped to the front edge of the reinforcing plate 30c, and the top surface and the bottom surface of the protective member 40 respectively exceed the first flat cable 30a. The plurality of conductors 33 and the plurality of conductors 33 of the second cable 30b. In this way, during the process of inserting the plug connector assembly 1 into the socket connector (not shown), the conductor 33 of the cable-type terminal group 30 can be protected from being directly scratched and damaged by the terminals of the socket connector (not shown). The protective member 40 of this embodiment is preferably made of an insulating material and covers the front end portions of the plurality of conductors 33.

2 and FIG. 5 again, the handle 60 is fixed to the top wall 12a of the insulating base 10, and has an operating portion 63 extending upward. The handle 60 includes a bottom plate 62, a top plate 61, and a recessed portion 610. The front end of the top plate 61 is bent and connected to the bottom plate 62. The recessed portion 610 is formed at the front end of the top plate 61 and the front end of the bottom plate 62. The handle 60 may be formed by stamping a metal plate. The bottom plate 62 of the handle 60 is fixed to the top wall 12 a of the insulating base 10.

As shown in FIG. 2, in order to fix the handle 60, the top wall 12 a of the insulating base 10 of this embodiment forms a mounting structure 16. The mounting structure 16 includes a pair of limiting walls 161, a front fixing block 162 and a pair of rear fixing blocks 163. The front fixing block 162 is located at the front edge of the top wall 12a, and extends backward into the recessed portion 610 of the handle 60 to press the front edge of the bottom plate 62 of the handle 60. The pair of rear fixing blocks 163 are located on the top wall 12a and behind the front fixing blocks 162 to block the bottom plate 62 and prevent the handle 60 from loosening backward. The top plate 61 of the handle 60 extends a pair of positioning protrusions 613 rearward, and the pair of limiting walls 161 block the pair of positioning protrusions 613. Thereby, the mounting structure 16 restricts the displacement of the handle 60 forward, backward and upward. As shown in FIG. 5, the length center G of the reinforcing plate 30 c along the insertion direction is located behind the opening front edge of the insulating base 10. In other words, the length of the reinforcing plate 30c inside the insulating base 10 is greater than the length exposed outside the insulating base 10. The operation portion 63 is located above the positioning projections 325, 326 of the reinforcing plate 30c and extends rearward beyond the rear end edge of the reinforcing plate 30c. When the reinforcing plate 30c encounters an external force or moment, this design can increase the stability of the reinforcing plate 30c.

Please refer to FIG. 6 and FIG. 7, which are divided into an exploded perspective view and a partial cross-sectional schematic diagram of the first embodiment of the flat cable terminal group of the present creation. In this embodiment, the first cable 30a and the second cable 30b of the cable-type terminal group 30 have the same structure. But this creation is not limited to this, for example, two cables can have different numbers of conductors. The first cable 30a and the second cable 30b each have an insulating carrier layer 31, an outer shield layer 35, and an inner shield layer 37. The plurality of conductors 33 are fixed to the insulating carrier layer 31, the outer shielding layer 35 is attached to the outer side of the insulating carrier layer 31, and can be used to shield external electromagnetic interference; the inner shielding layer 37 is attached to the insulating carrier layer The inner side of 31 can be used to shield the electromagnetic interference of another cable. The inner shield layer 37 is in electrical contact with the reinforcing plate 30c to form an electrical circuit. In a practical way, a conductive adhesive is used to join the reinforcing plate 30c to the first cable 30a or the second cable 30b, and a complete shielding effect is achieved by electrical conduction between the inner shield layer 37 and the reinforcing plate 30c.

Please refer to FIGS. 2 and 6. The combination of the protection member 40 and the reinforcing plate 30 c in this embodiment may be in-mold injection molding. Assemble the cable-type terminal group 30 first, and then place the cable-type terminal group 30 in a mold (not shown), and then, inject an insulating material into the mold to form the protector 40. However, this creation is not limited to this, for example, the protection member 40 may be adhered to the reinforcing plate 30c in an adhesive manner. Specifically, the protector 40 includes a front guide portion 41 and a pair of protective walls 42 connected to the upper and lower sides of the front guide portion 41 to form a slit 420, and the front guide portion 41 further forms a pair of guide slopes 413 . It is added that the reinforcing plate 30c of this example strengthens the coupling force with the protector 40, and a protruding piece 321 protrudes from both sides of the front edge of the main board body 32, and a concave portion 322 is formed between the two protruding pieces 321. In addition, a plurality of connection holes 323 are formed along the front edge of the main board body 32. In this way, during the injection molding process of the protective member 40, the plastic of the protective member 40 is more engaged with the reinforcing plate 30c.

Referring to FIG. 7, after the reinforcing plate 30c is combined with the protective member 40, the protective member 40 is clamped to the front edge of the reinforcing plate 30c, and the top and bottom surfaces of the protective member 40 respectively exceed the first cable The plurality of conductors 33 of 30a and the plurality of conductors 33 of the second cable 30b.

As shown in FIGS. 6 and 7, the first cable 30a and the second cable 30b each have a plurality of signal conductors 33s and a plurality of non-signal conductors 33g. The non-signal conductor 33g here refers to a conductor not used to transmit signals , Including conductors that are grounded or transmit power. In particular, one of the features of this embodiment is that the distance between the plurality of signal wires 33s and the protection member 40 is greater than the distance between the plurality of non-signal wires 33g and the protection member 40. For example, the distance between the two is at least 0.5 mm. The main function of this design is that the non-signal wire 33g is used for power transmission or grounding, and the signal wire 33s is used for high-frequency signal transmission to avoid flashover (or electric arc) caused by tip discharge during hot plugging. ) Phenomenon, damaging wires or equipment end parts, therefore, the above structure provides a design with a difference in contact timing. To further explain, when the plug connector assembly 1 of this embodiment is pulled out, the signal wire 33s first leaves the terminal of the socket connector (not shown), and the non-signal wire 33g remains in contact with the terminal of the socket connector (not shown) ). At this time, if there is an arc, the arc will first be transmitted to the non-signal wire 33g, such as the ground wire, but not to the signal wire 33s.

According to a practical method of this embodiment, the multiple signal wires 33s of the first cable 30a and the second cable 30b each further form a slit 330, a transmission section 331, and an isolation conductor 332. The isolation conductor 332 is located at Between the protection member 40 and the slit 330. The width of the slit 330 along the insertion direction may be more than 0.1 millimeter (mm), for example, a laser cutting method. The function of the above structure is to avoid the timing difference design, so that the protection member 40 cannot completely protect the signal wires 33s from hitting the terminals of the matching connector. The isolation conductor 332 originally belonged to the signal wire 33s, and the slit 330 was formed after laser cutting, and the isolation conductor 332 did not make electrical contact with other components. The signal wire 33s only transmits the signal through the transmission section 331, and the length of the transmission section 331 is smaller than the length of the non-signal wire 33g.

[Second Embodiment]

Please refer to FIG. 8 and FIG. 9, which are divided into an exploded perspective view and a partial cross-sectional schematic diagram of the second embodiment of the flat cable terminal group of the present creation. The difference between this embodiment and the first embodiment is that each of the first cable 30a and the second cable 30b further has a plurality of covering portions 312, the plurality of covering portions 312 are close to the protection member 40, And correspondingly cover the plurality of signal wires 33s, thereby also making the distance between the signal wires 33s and the protection member 40 larger than the distance between the plurality of non-signal wires 33g and the protection member 40. The covering portion 312 may be a part of the insulating carrier layer 31, and may be formed together in the process of automatic assembly of the flexible cable. However, the creation is not limited to this. For example, the covering portion 312 may also cover the front end of the signal wire 33s with an insulating material.

In summary, the beneficial effect of the present creation may be that the plug connector combination provided in the embodiment of the present creation utilizes the conductor of the cable to be electrically connected to the terminal of the socket connector, which can simplify the manufacturing process and achieve impedance matching. The shielding characteristics of the cable are conducive to the transmission of high-frequency signals. In addition, the reinforcing plate 30c of the cable-type terminal group 30 and the insulating base 10 can fix the cable-type terminal group 30 well. The reinforcing plate 30c is a metal plate which has the effect of strengthening the structural strength in addition to the shielding effect. This creation can replace the gold finger of the circuit board or the traditional terminal, the processing is easier, and the impedance matching can be achieved. Furthermore, the protector 40 can protect the conductor of the flat terminal group 30 during insertion and removal. More preferably, the distance between the signal wire 33s and the protection member 40 is greater than the distance between the non-signal wire 33g and the protection member 40, which can provide a design with a different contact timing to avoid damage to the wires or equipment-end parts. In this way, the safety of equipment-side parts is increased.

The above is only the preferred and feasible embodiment of this creation, and does not limit the patent scope of this creation. Therefore, all equivalent technical changes made by using this creation description and graphic content are included in the protection scope of this creation. .

1: Plug connector combination 10: Insulation seat 12a: top wall 12b: bottom wall 120: accommodating space 121: Front section 123: rear end 1230: Engagement slot 14: Side wall 140: groove 142: First stop 143: Second stop 16: Installation structure 161: Limit wall 162: Front fixed block 163: Rear fixed block 20: auxiliary holding seat 21: Main body 210: clamping groove 212: card block 23: Extension wall 30: cable terminal block 30a: first cable 30b: second cable 31: Insulation bearing layer 312: Cover 33: Conductor 33s: signal wire 330: Cutting 331: Transmission section 332: Isolated conductor 33g: Non-signal wire 35: outer shield 37: inner shield 30c: Reinforced board 32: motherboard body 321: Tab 322: Depression 323: connection hole 325, 326: positioning convex plate 3251: Hypotenuse 3261: straight edge 40: protector 41: Leading 413: Guide slope 42: Protection wall 420: slit 60: handle 61: top plate 610: Depression 612: snap tab 613: Positioning protrusion 62: bottom plate 63: Operation Department G: length center

Fig. 1 is a three-dimensional assembled view of the plug connector combination created by the author.

Fig. 2 is a perspective exploded view of the plug connector combination created by the author.

Fig. 3 is a perspective view of the insulating base body and the auxiliary holding base body of the creation.

4 is a schematic cross-sectional view of the creation along the line IV-IV in FIG. 1.

Fig. 5 is a schematic cross-sectional view of the creation along the line V-V in Fig. 1.

FIG. 6 is an exploded perspective view of the cable-type terminal group and protector of the first embodiment of the creation.

7 is a schematic cross-sectional view of the cable-type terminal group and the protective member of the first embodiment of the creation.

FIG. 8 is an exploded perspective view of the cable-type terminal group and the protective member of the second embodiment of the invention.

FIG. 9 is a schematic cross-sectional view of the cable-type terminal group and the protective member of the second embodiment of the invention.

1: Plug connector combination

10: Insulation seat

143: Second stop

16: Installation structure

30: cable terminal block

30a: first cable

30b: second cable

30c: Reinforced board

33: Conductor

33s: signal wire

330: Cutting

332: Isolated conductor

33g: Non-signal wire

40: protector

60: handle

Claims (10)

A plug connector combination, including: An insulating seat body, which has a top wall, a bottom wall and a pair of side walls and surrounds together to form an accommodating space along the insertion direction inside thereof; A line-type terminal group, the line-type terminal group has a first line, a second line, and a reinforcing plate; the first line and the second line each have a plurality of conductors exposed The front end of the insulating base; the reinforcing plate is clamped between the first cable and the second cable, wherein the reinforcing plate is a metal plate, wherein the front edge of the reinforcing plate Protruding from the leading edges of the first cable and the second cable; A handle, the handle is fixed to the top wall of the insulating base, and has an operating portion extending upward; and A protection member, the protection member is clamped to the front edge of the reinforcing plate, and the top and bottom surfaces of the protection member exceed the plurality of conductors and the second row of the first row of wires, respectively The plurality of conductors of the wire. The plug connector assembly according to claim 1, wherein the center of the length of the reinforcing plate along the insertion direction is located behind the front edge of the opening of the insulating base. According to the plug connector combination of claim 1, a positioning convex plate protrudes outward from each side of the reinforcing plate, wherein the inner side of the insulating base forms a displacement preventing mechanism toward the accommodating space Blocking the positioning convex plate of the reinforcing plate, thereby restricting the displacement of the reinforcing plate along the insertion direction; the operation portion is located above the positioning convex plate of the reinforcing plate and extends backward beyond the Reinforce the rear edge of the plate. The plug connector assembly according to claim 3, wherein the pair of side walls of the insulating seat body are respectively formed with a pair of grooves along the insertion direction, wherein the displacement prevention mechanism of the insulating seat body It includes a first stop block and a second stop block. The first stop block and the second stop block protrude inwardly from the pair of side walls of the insulating base and are located in the pair of grooves, The first stopper and the second stopper respectively abut on the front ends of the two positioning convex plates. The plug connector assembly according to claim 1, wherein the first cable and the second cable each have an insulating carrier layer, an outer shield layer, and an inner shield layer, and the plurality of conductors Fixed to the insulating carrying layer, the outer shielding layer is attached to the outer side of the insulating carrying layer, the inner shielding layer is attached to the inner side of the insulating carrying layer, and is electrically compatible with the reinforcing plate Contact to form an electrical circuit. The plug connector assembly according to claim 1, wherein the first cable and the second cable each have a plurality of signal wires and a plurality of non-signal wires, the plurality of signal wires and the protection member Is greater than the distance between the plurality of non-signal wires and the protection member. The plug connector assembly according to claim 6, wherein the plurality of signal wires of the first cable and the second cable further form a slit and an isolation conductor, and the isolation conductor is located at Between the protection member and the slit, the isolation conductor is not in electrical contact with other elements. The plug connector assembly according to claim 1, wherein the first cable and the second cable each have a plurality of signal wires, a plurality of non-signal wires, and a plurality of covering portions, the plurality of coverings The part is close to the protection member, and correspondingly covers the front ends of the plurality of signal wires. The plug connector combination as described in claim 1, wherein each of the conductors has a width of 0.25 to 0.3 mm, and a matching differential pair impedance is 100 ohms. The plug connector assembly according to claim 1, wherein each of the conductors has a width of 0.3 to 0.5 mm, and the impedance of the matched differential pair is 80 ohms.

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