TW201328060A - Cable connector assembly - Google Patents

Abstract

A cable connector assembly comprises a housing with a receiving space. A plurality of contacts are divided into two rows and accommodated in the housing. A spacer is assembled to the rear end of the housing. A plurality of contacts include a number of groups. Each of the groups comprises two signal contacts and a ground contact. Each contact comprises a contacting portion and a terminating portion. The cable connector assembly also comprise a ground lug. The termination portions of the ground contacts at the same row connect to each other and the ground lug contact with them.

Description

Cable connector combination

The present invention relates to a cable connector combination, and more particularly to a cable connector combination for high speed signal transmission.

The Chinese Patent Publication No. CN201252183Y, issued on Jun. 3, 2009, discloses a cable connector assembly including an insulative housing having a receiving space, and a plurality of terminals received in the insulative housing and divided into upper and lower rows. a partition plate for accommodating the two rows of terminals, a metal plate fixed to the partition plate, and a plurality of cables electrically connected to the terminals, wherein the terminals are divided into a signal terminal and a ground terminal, and the metal plate partition The two rows of terminals are disposed on the two sides thereof, and the metal plate is provided with a panel portion and at least one holding member formed at one end of the panel portion and contacting the welding portion of the corresponding ground terminal, wherein the partition plate is at least One side is provided with a groove-shaped structure that cooperates with the holding member. Among them, in order to improve the high-frequency performance, the signal terminal and the ground terminal are arranged in a triangle, however, crosstalk is easily generated between the terminals of the upper and lower rows, which affects the high-frequency performance of the product.

Therefore, it is necessary to combine the conventional cable connectors to improve the drawbacks described in the prior art.

In view of the above, it is an object of the present invention to provide a cable connector assembly that improves crosstalk.

In order to achieve the above object, the present invention adopts the following technical solution: a cable connector assembly including an insulating body provided with a receiving space, a plurality of terminals received in the insulating body and divided into upper and lower rows, and assembled at the rear of the insulating body Separating the two rows of terminals and the plurality of cables electrically connected to the terminals, the terminals having an abutting portion, a terminal portion, and a main body portion connecting the abutting portion and the end portion, the two rows of terminals are divided into The multi-array, each group includes a signal terminal pair for transmitting a differential signal and a grounding terminal disposed therein, the cable connector further comprising a grounding piece, and the end portions of the same row of grounding terminals are connected and common through the grounding piece.

Compared with the prior art, the present invention has the following effects: by connecting the end portions of the upper and lower rows of grounding terminals, and then using the grounding strips between the upper and lower rows of terminals, thereby effectively reducing the string between the two rows of terminals. sound.

Referring to the first to ninth embodiments, the cable connector assembly 100 of the present invention includes an insulative housing 2, a plurality of terminals 3 received in the insulative housing 2, and a spacer assembled to the rear end of the insulative housing 2 and housing the plurality of terminals 3. 4. The grounding piece 5 assembled to the partition 4, the metal case 1 of the packaged insulative housing 2, the cable 7 of the electrical connection terminal 3, and the cover 6 surrounding the part of the metal case 1.

Referring to the second to fourth embodiments and the seventh embodiment, the insulative housing 2 includes a top wall 23, a bottom wall 21, and a pair of side walls 22 connected to the top wall 23 and the bottom wall 21 to form the receiving space 20. twenty four. The inner surfaces of the top wall 23 and the bottom wall 21 are respectively provided with a plurality of terminal passages 25. The rear portions of the top wall 23 and the bottom wall 21 are provided with two spaced apart bumps 210, and the top of each of the bumps 210 is provided with a locking member 211. A pair of longitudinal storage slots 230 are defined on both sides of the top wall 23. The side walls 22, 24 extend rearwardly and are formed with extension projections 231 at their ends.

Referring to the second to third figures, the metal casing 1 includes a first shielding portion 1a and a second shielding portion 1b. The first shielding portion 1a includes a package portion 11 and a U-shaped first cover portion 12. The package portion 11 is composed of a top wall 111, a bottom wall 113 opposed to the top wall 111, and a pair of lateral walls 112, 114 connecting the top wall 111 and the bottom wall 113. The top wall 111 , the bottom wall 113 , and the pair of lateral walls 112 and 114 are interconnected to form a receiving space 110 for receiving the insulative housing 2 . The first cover portion 12 is formed to extend rearward from the rear end of the bottom wall 113 of the package portion 11. The rear portion of the top wall 111 of the encapsulating portion 11 is provided with four holes 1110 arranged in a row, and the rear portions of the top wall 111 and the bottom wall 113 are respectively provided with a pair of holes 1131. The top wall 111 is provided with a pair of elongated button holes on both sides thereof. 1112. The U-shaped first cover portion 12 is provided with a flat plate portion 122 and a pair of vertical arms 121 respectively located on both sides of the flat plate portion 122 and connected to the edges of the flat plate portion 122. In addition, the U-shaped first cover portion 12 is further provided with a slightly curved extending piece 124 which is formed to extend rearward from the central end edge of the flat plate portion 122 and has a substantially arcuate structure, and the extending piece 124 is at the end thereof. A flat stop portion 1241 is provided. Each of the vertical arms 121 is provided with three lock holes 123 having different sizes and arranged in a row in the cross-sectional direction. The second shielding portion 1b includes an inverted U-shaped second cover portion 13 and a cylindrical cable holding portion 135 connected to the second cover portion 13. The inverted U-shaped second cover portion 13 includes a plate body portion 131, a pair of vertical arms 132 connected to both sides of the plate body portion 131, and a pair of cards extending forward from both sides of the second cover portion Hold the arm 130. Each of the vertical arms 132 is formed with three lock projections 134 having unequal sizes corresponding to the lock holes 123 of the aforementioned first cover portion 12. The front side of the plate portion 131 is also formed with four small projections 133 that cooperate with the holes 1110.

Referring to FIGS. 4 to 9 , the partition plate 4 is provided with a base portion 40 , a plate-like projecting portion 42 extending forward from the base portion 40 , and a tongue portion 41 extending rearward from the base portion 40 . The base portion 40 is provided with upper and lower rows of a plurality of terminal slots 410 penetrating the front and rear surfaces of the base portion 40, and the terminal slots 410 extend to the upper and lower surfaces of the tongue portion 41. A connecting slot 412 and the slot 410 are perpendicular to each other and are located at the rear of the terminal slot 410 and communicate with the three slots 410. A groove 411 communicating with the connecting groove 412 is formed from the rear end surface of the tongue portion 41, and the groove 411 is provided with extending grooves 4110 extending toward the upper surface and the lower surface of the tongue portion 41, respectively.

Referring to FIGS. 4 to 10, the terminal 3 is divided into upper and lower rows, each of which includes a flat body portion 31, a contact portion 32 extending forward from the terminal body portion 31, and a rear portion of the body portion. End portion 33. Each of the terminal end portions 33 is located on the same plane as the main body portion 31, and the terminal end portion 33 is displaced from the main body portion 31 and connected by a bent portion 34. The same row of terminal bent portions 34 are parallel to each other, and the upper and lower rows of the terminal 3 bent portions 34 are bent in the opposite directions, and the upper and lower rows of the terminal end portions 33 are aligned one by one in the up and down direction.

The grounding strip 5 is in the form of a laterally extending sheet, and the upper and lower surfaces are respectively stamped with a protruding portion 50 perpendicular to the grounding strip 5, and the grounding strip 5 is mounted in the recess 411 of the partition 4 and located between the upper and lower rows of terminals 3. The projecting portions 50 of the grounding lug 5 are respectively assembled in the upper and lower extending grooves 4110 of the recess 411.

The upper row terminal and the lower row terminal 3 include five sets of terminals (S1, G1; S2, G2; S3, G3; S4, G4; S5, G5), and each set of terminals includes a pair of differential signal terminals (S1, S2, S3) , S4, S5) and the grounding terminals (G1, G2, G3, G4, G5) that are provided in conjunction therewith. The end portions 33 of the ground terminals (G1, G2, G3, G4, G5) of the two rows of terminals 3 are respectively connected by a connecting piece 35, and the connecting pieces 35 respectively extend in a direction perpendicular to the terminal 3 and extend with the grounding piece 5 The portion 50 is in contact such that all of the ground terminals (G1, G2, G3, G4, G5) are co-located with the ground lug 5.

Among each set of terminals, a pair of signal terminals (S1, S2, S3, S4, S5) and ground terminals (G1, G2, G3, G4, G5) are located on different planes, a pair of signal terminals (S1, S2, S3, S4) The contact portions 33 of S5) are located on the same plane, and the contact portions 32 of the ground terminals (G1, G2, G3, G4, G5) are formed between the contact portions 32 of the pair of signal terminals (S1, S2, S3, S4, S5). A triangular structure along the cross-section. The end portion 33 of the ground terminal (G1, G2, G3, G4, G5) in each group is at the end portion 33 of one signal terminal of a pair of differential signal terminals (S1, S2, S3, S4, S5) corresponding thereto Aligned in the direction, the end portions 33 of the ground terminals (G1, G2, G3, G4, G5) and the end portions 33 of the pair of signal terminals (S1, S2, S3, S4, S5) are formed in opposite directions in the cross-sectional direction (see The yaw triangle structure of the ninth figure).

The cover body 6 is divided into an upper cover 61 and a lower cover 62. The front edges of the upper cover 61 and the lower cover 62 are provided with mounting holes 610 and 620 and mounting posts 611 and 621, and the rear portions are provided with positioning blocks 612 and 622 and positioning holes 613. 623. A button 614 for controlling the movement of the holding arm 130 is provided on the upper surface of the upper cover 61.

The cable 7 includes a plurality of core wires having the same arrangement as the aforementioned terminals 3.

When assembling, first, the terminal 3 is integrally formed with the partition plate 4, the main body portion 31 of the terminal 3 is positioned on the upper and lower surfaces of the plate-like protruding portion 42, and the end portion 33 is fixed to the terminal slot 410 and extends to the upper and lower surfaces of the tongue portion 41; The connecting piece 35 is mounted in the connecting groove 412 of the insulative housing 2, and the end portions 33 of the same row of grounding terminals (G1, G2, G3, G4, G5) are respectively soldered to the connecting piece 35; the grounding piece 35 is inserted into the insulating body 2 The groove 411, the projecting portion 50 of the grounding piece 5 is in contact with the connecting piece 35, respectively.

Next, the terminal 3 and the partition 4 are assembled together in the insulative housing 2 until the base portion 40 of the partition 4 abuts against the rear side of the insulative housing 2. At this time, the terminal main body portion 31 and the contact portion 32 of the terminal 3 are received in The terminal channel 25 of the insulative housing 2, the plate-like protrusion 42 of the spacer 4 is received in the receiving space 20, the base 40 is exposed to the rear of the insulative housing 2, and the bump 210 of the insulative housing 2 is received in the base 40 of the spacer 4. Opening 401.

Next, the core wires of the cable 7 are welded to the end portions 33 of the terminals 3 and the connecting sheets 35, respectively. Then, the insulative housing 2 is encapsulated inside the encapsulation portion 11 of the first shielding portion 1a of the metal housing 1. The locking member 211 on the two projections 210 of the insulative housing 2 is inserted into the rear portion of the top wall 113 of the encapsulation portion 11. Pair of holes 1131. At the same time, the base portion 40 and the core wire of the partition plate 4 are housed in a rectangular space (not numbered) of the inverted U-shaped first cover portion 12 of the metal casing 1. Next, the second shielding portion 1b of the bottom portion is fitted to the first shielding portion 1a, and the four small protrusions 133 of the plate portion 131 of the second shielding portion 1b are embedded in the corresponding plurality of holes 1110 of the bottom wall 111, and the second shielding portion 1b The locking protrusion 134 on the vertical arm 132 is locked to the locking hole 123 of the vertical arm 121 of the first shielding portion 1a, and the cable holding portion 135 is crimped to one end of the cable and the first shielding portion. The extending piece 124 of the 1a, the stopping portion 1241 of the extending piece 124 abuts against the rear side of the cable holding portion 135, and the holding arm of the second shielding portion 1b extends from the receiving groove of the insulating body 2 into the first shielding portion 1a Engaged with the buttonholes. Finally, the upper cover 61 and the lower cover 62 receive the metal casing 1 and the cable 7 therein, the front mounting posts 611, 621 and the mounting holes 610, 620 cooperate, and the rear positioning blocks 612, 622 and the positioning holes 613, 623 cooperate.

In the cable connector assembly 100 of the present invention, the contact portion of each group of signal terminals and the ground terminal is arranged in a triangle, and the ground terminal contact portion is located between the pair of signal terminals to improve high frequency performance, and the ground terminal and the signal terminal are bent at the end portion. Folded into a right-angled triangle arrangement, the upper and lower rows of terminals are aligned one by one in the vertical direction without deviation, which can shorten the lateral width of the two rows of terminals, increase the over-edge signal solder and molding space, thereby preventing the over-edge signal from short-circuiting the solder and the inside. Die forming is not full, and the connecting piece connects the end of the same row of grounding terminals and grounds through the grounding strip to maximize the crosstalk performance, and the core wire connected to the grounding terminal can be directly soldered to the connecting piece. To make welding easy.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It is covered by the following patent application.

100. . . Cable connector combination

11. . . Packaging department

110. . . Containing space

111. . . Top wall

1110. . . hole

1112. . . Buckle hole

112, 114. . . Horizontal wall

113. . . Bottom wall

1131. . . hole

12. . . First cover body

121. . . Vertical arm

122. . . Flat section

123. . . keyhole

124. . . Extension piece

1241. . . Stop

13. . . Second cover body

130. . . Card arm

131. . . Plate body

132. . . Vertical arm

133. . . Bulge

134. . . Locking convex

135. . . Cable retention

2. . . Insulating body

20. . . Containing space

twenty one. . . Bottom wall

210. . . Bump

211. . . Lock firmware

22, 24. . . Side wall

twenty three. . . Top wall

230. . . Storage slot

231. . . Extended bulge

25. . . Terminal channel

3. . . Complex terminal

31. . . Main body

32. . . Contact

33. . . End

34. . . Bending section

35. . . Connecting piece

4. . . Partition

40. . . Base

401. . . Opening

41. . . Tongue

410. . . Terminal slot

411. . . Groove

4110. . . Extension slot

412. . . Connection slot

42. . . Plate-like projection

5. . . Grounding piece

50. . . Extension

6. . . Cover

61. . . Upper cover

610, 620. . . Mounting holes

611, 621. . . Mounting column

612, 622. . . Positioning block

613, 623. . . Positioning hole

614. . . Button

62. . . lower lid

7. . . Cable

The first figure is a perspective view of the cable connector assembly of the present invention;

The second figure is an exploded perspective view of the first figure;

The third figure is another perspective view of the second figure;

The fourth figure is a partial assembly diagram of the insulating body, the partition plate and the terminal in the cable connector combination of the present invention;

The fifth figure is another angle diagram of the fourth figure;

The sixth figure is an exploded view of the fourth figure;

The seventh figure is a schematic view of another angle of the sixth figure;

The eighth figure is a front view of the insulating body, the partition plate and the terminal after assembly in the third figure;

The ninth drawing is a cross-sectional view of the insulating body, the partition plate and the terminal in the third diagram after the assembly in the A-A direction.

2. . . Insulating body

231. . . Extended bulge

31. . . Main body

32. . . Contact

33. . . End

35. . . Connecting piece

40. . . Base

41. . . Tongue

42. . . Plate-like projection

5. . . Grounding piece

Claims (10)

A cable connector combination comprising:
Insulating body, which is provided with a receiving space;
The plurality of terminals are received in the insulative housing and are divided into upper and lower rows. The terminals each have an abutting portion, a distal end portion, and a main body portion connecting the abutting portion and the end portion. The two rows of terminals are divided into multiple arrays, each of which includes a signal terminal for transmitting a differential signal and a ground terminal disposed in cooperation therewith, wherein the end portions of the same row of ground terminals are connected;
a partition plate assembled to the rear of the insulating body and accommodating the two rows of terminals;
a cable electrically connected to the terminal;
The grounding strip is in contact with the end of the grounding terminal and realizes the common grounding of the two rows of grounding terminals. The cable connector assembly of claim 1, wherein the terminal base portion is bent forward from the terminal body portion, the terminal end portion is in the same plane as the main body portion, and the terminal end portion is displaced from the main body portion and passes through a The bends are connected. The cable connector assembly of claim 1, wherein the pair of grounding terminals and the signal terminal pair are located on different planes, the abutting portions of the pair of signal terminals are located on the same plane, and the abutting portion of the grounding terminal is located at the two signal terminals. There is a different plane between the two signal terminals and a triangular structure in the cross-sectional direction. The cable connector assembly of claim 2, wherein the same row of terminal bending portions are parallel, the upper and lower rows of terminal bending portions are bent in opposite directions, and the upper and lower rows of terminal end portions are along Align one by one in the vertical direction. The cable connector assembly of claim 2, wherein the signal terminal pair is located on a different plane from the end portion of the ground terminal and forms a right-angled triangular structure in the cross-sectional direction from the end portion from the ground end. The cable connector assembly of claim 2, wherein the cable connector assembly further comprises two connecting pieces located in the upper and lower rows, the two connecting pieces respectively extending in a direction perpendicular to the terminal, and connecting the grounding The grounding piece of the terminal end portion is in contact with the two connecting pieces. The cable connector assembly of claim 1, wherein a pair of longitudinal storage slots are disposed on two sides of the top wall of the insulating body, and the upper and lower rows of terminal passages for receiving the terminals are disposed in the insulating body, the terminals The main body portion and the contact portion are housed in the terminal passage. The cable connector assembly of claim 7, wherein the partition is assembled to the insulative housing, the partition is provided with a base, a plate-like protrusion extending forward from the base, and extending rearward from the base a tongue portion, wherein the base portion is provided with a terminal slot penetrating through the front and rear surfaces of the base portion, the tongue portion is provided with a holding groove, the terminal body portion is positioned on the upper and lower surfaces of the plate-like protrusion portion, and the end portion is fixed to the terminal slot and Extending to the upper and lower surfaces of the tongue is held in the terminal holding groove. The cable connector assembly of claim 7, wherein the cable connector assembly further comprises a metal housing, the metal housing being composed of a U-shaped first shielding portion and a second shielding portion. The first shielding portion is provided with a pair of fastening arms, and the second shielding portion is provided with a fastening hole. The fastening arm extends from the receiving groove of the insulating body into the second shielding portion and is engaged with the fastening hole. The cable connector assembly of claim 9, wherein the cable connector assembly further comprises a cover for housing the insulative housing, the metal housing, the partition, and the cable, the cover including The upper and lower covers can be positioned to each other.