CN203026652U

CN203026652U - Cable connector assembly

Info

Publication number: CN203026652U
Application number: CN 201220627926
Authority: CN
Inventors: 张光卿; 杨基警; 尹亿辉
Original assignee: Shenzhen Luxshare Precision Industry Co Ltd
Current assignee: Luxshare Precision Industry Co Ltd
Priority date: 2012-11-23
Filing date: 2012-11-23
Publication date: 2013-06-26
Anticipated expiration: 2022-11-23

Abstract

The utility model discloses a cable connector assembly, which comprises an insulating body and a plurality of conductive terminals accommodated in the insulating body. The insulating body is provided with a butting part and a plurality of accommodating grooves passing through the butting part. Each conductive terminal is provided with a contact part extending into one of the accommodating grooves and used for being in butt joint with a socket connector, and a connection part extending backwards. The cable connector assembly also comprises a flat cable and a built-in circuit board used for connecting the flat cable with the conductive terminals. The built-in circuit board is provided with a plurality of metal connecting pieces welded together with the connection parts of the conductive terminals, and a plurality of metal welding pieces welded together with the flat cable. The metal connecting pieces and the metal welding pieces are electrically connected together. The welding pieces are composed of a plurality of pairs of differential signal bonding pads and grounding bonding pads arranged at the two sides of each pair of differential signal bonding pads. A grounding bonding pad is arranged between every two adjacent pairs of differential signal bonding pads respectively. The flat cable is provided with two grounding wires welded with the same grounding bonding pad.

Description

Micro coaxial cable connector assembly

Technical field

The utility model relates to a kind of micro coaxial cable connector assembly, relates in particular to a kind of micro coaxial cable connector assembly with internal circuit board and flat cable.

Background technology

USB (Universal Serial BUS is called for short USB) with its stable transmission speed and superior performance, has been widely applied in various electronic products.Along with the development of USB interface agreement, USB interface is transitioned into the epoch of USB 3.0 agreements gradually after having experienced USB 1.0 and USB 2.0 agreements.With respect to USB 2.0 interfaces, the transmission speed of USB 3.0 interfaces surpasses USB 2.0 interfaces more than ten times, so USB 3.0 interfaces certainly will become one of necessity configuration in following electronic product.

a kind of micro coaxial cable connector assembly that the prior art relevant to this case can disclose for No. 2012196948 with reference to the Chinese patent that on April 18th, 2012 was announced, this micro coaxial cable connector assembly comprises the plug insulating body, be fixed in the some plug cap conductive terminals on the plug insulating body, the cable that is connected with plug cap conductive terminal, be positioned at the outer insulation crust of plug insulating body and be installed on metal latch cramp on the plug insulating body, insulation crust is overmolded onto on the plug insulating body, the plug insulating body comprises the two row terminal containing slots that the docking section is run through in the docking section of protruding forward insulation crust and front and back, plug cap conductive terminal is corresponding one by one with the quantity of terminal containing slot, each plug cap conductive terminal has the connecting portion that extends into the contact site that docks with socket connector in accepting groove and extend back and weld together with cable, because the quantity of plug cap conductive terminal is more, make the process of cable and plug cap conductive terminal connecting portion welding loaded down with trivial details, the welding difficulty is high, be difficult to guarantee the high frequency characteristics of connection reliability and the micro coaxial cable connector assembly of plug cap conductive terminal and cable.

Therefore, be necessary to design a kind of Novel cable connector assembly, to solve the problems of the technologies described above.

The utility model content

The purpose of this utility model is to provide a kind of micro coaxial cable connector assembly that improves the connection reliability between conducting terminal and flat cable and improve high frequency characteristics that has.

for realizing aforementioned purpose, the utility model adopts following technical scheme: a kind of micro coaxial cable connector assembly, it comprises insulating body and is contained in the interior some conducting terminals of insulating body, described insulating body has the docking section and runs through some accepting grooves of docking section, described conducting terminal comprises and extends into accepting groove in order to the contact site that docks with socket connector and the connecting portion that extends back, described micro coaxial cable connector assembly also comprises flat cable and connects the internal circuit board of flat cable and conducting terminal, described internal circuit board has the some metal connecting sheets that weld together with the conducting terminal connecting portion and the some metal welding contact pin that weld together with flat cable, brace and bonding pad are electrically connected, described bonding pad comprises some to the differential signal bonding pad and be positioned at the ground connection bonding pad of every a pair of differential signal bonding pad both sides, has a ground connection bonding pad between adjacent two pairs of differential signal bonding pads, described flat cable has two earth connections that are welded on same ground connection bonding pad.

As further improvement of the utility model, described conducting terminal has upper and lower two row's conducting terminals, and the front end of circuit board is clamped between the connecting portion of this two rows conducting terminal.

As further improvement of the utility model, the earth terminal that described each row's conducting terminal comprises first pair of difference signal terminal, second pair of difference signal terminal, the 3rd pair of difference signal terminal and is positioned at above-mentioned difference signal terminal side, first pair of difference signal terminal is that hypervelocity receives difference signal terminal, in order to receive differential signal; Second pair of difference signal terminal is that hypervelocity sends difference signal terminal, in order to send differential signal; The 3rd pair of difference signal terminal is the low frequency difference signal terminal, in order to receive and to send low frequency difference signal.

As further improvement of the utility model, described internal circuit board has relative upper and lower surface, the upper and lower surface of built-in circuit front edge of board is arranged respectively and is provided with a described brace of row, the upper and lower surface of internal circuit board rear end is arranged respectively and is provided with a described bonding pad of row, and the connecting portion of each row brace and conducting terminal is corresponding one by one to be welded together.

as further improvement of the utility model, described bonding pad comprises first pair of differential signal bonding pad, second pair of differential signal bonding pad, the 3rd pair of differential signal bonding pad and be positioned at the ground connection bonding pad of above-mentioned differential signal bonding pad side, first pair of differential signal bonding pad and first pair of difference signal terminal are electrically connected one by one, second pair of differential signal bonding pad and second pair of difference signal terminal are electrically connected one by one, the 3rd pair of differential signal bonding pad and the 3rd pair of difference signal terminal are electrically connected one by one, all ground connection bonding pads and all earth terminals form a grounded circuit.

As further improvement of the utility model, described bonding pad is arranged as a row on left and right directions, be followed successively by: a power supply bonding pad, a ground connection bonding pad, the first pair of differential signal bonding pad, a ground connection bonding pad, second pair of differential signal bonding pad.Ground connection bonding pad, the 3rd pair of differential signal bonding pad, a ground connection bonding pad.

as further improvement of the utility model, described flat cable comprises two flat cables of consistency from top to bottom, the bonding pad of flat cable and internal circuit board upper surface welds together, the bonding pad of another root flat cable and internal circuit board lower surface welds together, each flat cable comprises a power line, one first earth connection, some the second earth connections, first pair of differential signal line, second pair of differential signal line, the 3rd pair of differential signal line, power line is positioned at the outermost locations of flat cable, the first earth connection is between power line and one second earth connection, three pairs of differential signal lines are respectively with first, second, the 3rd pair of differential signal bonding pad correspondence one by one welds together.

As further improvement of the utility model, described the first earth connection and one second earth connection are welded on same ground connection bonding pad, form an electric power loop between the second earth connection and power line, and described micro coaxial cable connector assembly meets USB 3.0 host-host protocols.

As further improvement of the utility model, described micro coaxial cable connector assembly also comprises to the locating piece that is assembled on insulating body, conducting terminal has the fixed part that connects contact site and connecting portion, and fixed part is fixed on locating piece, and connecting portion extends back locating piece.

as further improvement of the utility model, described insulating body comprises a pair of holding part that extends back from two ends, left and right, docking section, to being formed with the fixed space of stationary positioned piece between holding part and docking section, connect before and after accepting groove and fixed space, holding part comprises top board, the side plate of the base plate relative with top board and connection top board and base plate, top board, be formed with the conduit that connects with fixed space between base plate and side plate, locating piece comprises dividing plate and the protuberance that protrudes from two ends, dividing plate left and right, dividing plate is provided with pre-and post perforative two exhausting holes, the conducting terminal fixed part is contained in through hole, protuberance is fixed in and is limited the left and right in conduit, move up and down, described side plate is provided with the clasp hole that the left and right is run through, clasp hole and conduit connect, described protuberance lateral surface is provided with the buckle piece that is snapped in the clasp hole, move forward and backward in order to limit locating piece.

compared to prior art, the utility model micro coaxial cable connector assembly comprises flat cable and connects the internal circuit board of flat cable and conducting terminal, described internal circuit board has the some metal connecting sheets that weld together with the conducting terminal connecting portion and the some metal welding contact pin that weld together with flat cable, brace and bonding pad are electrically connected, described bonding pad comprises some to the differential signal bonding pad and be positioned at the ground connection bonding pad of every a pair of differential signal bonding pad both sides, has a ground connection bonding pad between adjacent two pairs of differential signal bonding pads, described flat cable has two earth connections that are welded on same ground connection bonding pad, improve the connection reliability between conducting terminal and flat cable, arrangement by the brace on internal circuit board and bonding pad, make the welding of conducting terminal and flat cable easily, improve the high frequency characteristics of micro coaxial cable connector assembly, in addition, it is little that flat cable has a volume, flexible, flexible use, impel the product miniaturization, Decrease production cost, enhance productivity etc.

Description of drawings

Fig. 1 is the three-dimensional combination figure of the utility model micro coaxial cable connector assembly.

Fig. 2 is the inboard schematic diagram that the utility model micro coaxial cable connector assembly is removed insulation crust.

Fig. 3 is the three-dimensional exploded view of the utility model micro coaxial cable connector assembly.

Fig. 4 is the three-dimensional exploded view of another angle of the utility model micro coaxial cable connector assembly.

Fig. 5 is the floor map of the utility model micro coaxial cable connector assembly internal circuit board.

Fig. 6 is the cross sectional representation of the utility model micro coaxial cable connector assembly cable.

Embodiment

See also Fig. 1 to shown in Figure 6, the utility model micro coaxial cable connector assembly 100 meets USB 3.0 host-host protocols, in order to being plugged on socket connector (not shown), the flat cable 6 that it comprises insulating body 1, be contained in some conducting terminals 2 in insulating body 1, be fixed in locating piece 3, internal circuit board 4 on insulating body 1, be overmolded onto insulation crust 5 on insulating body 1, weld together with internal circuit board 4 and be fixed in insulating body 1 top in order to the metal latch cramp 7 of locking receptacles connector.

Insulating body 1 comprises the docking section 11 of protruding forward insulation crust 5 and a pair of holding part 12 that 11 two ends, left and right extend back from the docking section, docking section 11 is provided with pre-and post perforative up and down two row accepting grooves 110, this is to being formed with the fixed space 13 of stationary positioned piece 3, accepting groove 110 and fixed space 13 front and back perforations between holding part 12 and docking section 11.Each holding part 12 comprises top board 121, the base plate 122 relative with top board 121 and connects the side plate 123 of top board 121 and base plate 122, be formed with the conduit 124 that connects with fixed space 13 between top board 121, base plate 122 and side plate 123, side plate 123 is provided with the clasp hole 125 of running through the left and right, and clasp hole 125 connects with conduit 124.

conducting terminal 2 is contained in respectively in the corresponding accepting groove 110 of insulating body 1, it is two rows that conducting terminal 2 is arranged along the vertical direction, each row's conducting terminal 2 meets USB 3.0 host-host protocols, add up to ten, be arranged in order along left and right directions: a power supply terminal (VDD) 204, first couple of difference signal terminal (RX-, RX+) 201, one earth terminal (GND) 205, second couple of difference signal terminal (TX-, TX+) 202, one earth terminal (GND) 205, the 3rd couple of difference signal terminal (D-, D+) 203, one earth terminal (GND) 205.First pair of difference signal terminal 201 receives difference signal terminal for hypervelocity, in order to receive differential signal; Second pair of difference signal terminal 202 sends difference signal terminal for hypervelocity, in order to send differential signal; The 3rd pair of difference signal terminal 203 is the low frequency difference signal terminal, in order to receive and to send low frequency difference signal.Each conducting terminal 2 comprises that fixed part 21, self-retaining section 21 extends forwardly to the connecting portion 23 that contact site 22 in accepting groove 110 and self-retaining section 21 extend back, and contact site 22 is tuning fork-like, in order to the docking terminal in the gripper socket connector.

Locating piece 3 comprises that dividing plate 31 reaches the protuberance 32 from dividing plate 31 two ends, left and right protrusions, and dividing plate 31 is provided with pre-and post perforative two exhausting holes 311, and protuberance 32 lateral surfaces are provided with buckle piece 321.Dividing plate 31 is assembled in forward in insulating body 1 fixed space 13, protuberance 32 be fixed in be limited in conduit 124 left and right, move up and down, buckle piece 321 is snapped in clasp hole 125, thereby restriction locating piece 3 moves forward and backward, the fixed part 21 of conducting terminal 2 is fixed in through hole 311, and the interior side blow of fixed block 21 is provided with the lug 211 that is resisted against backward on dividing plate 31, thereby restriction conducting terminal 2 moves backward, connecting portion 23 extends back locating piece 3, is arranged as two rows.

Internal circuit board 4 has relative upper and lower surperficial 41,42, upper and lower surperficial 41,42 of its front end is arranged respectively to be provided with conducting terminal 2 connecting portions 23 and one is arranged metal connecting sheet 43 one to one, the connecting portion 23 of every a connecting piece 43 and a conducting terminal 2 welds together, and the front end of internal circuit board 4 is clamped between conducting terminal 2 connecting portions 23.Upper and lower surperficial 41,42 of internal circuit board 4 rear ends are arranged respectively and are provided with the row's metal welding contact pin 44 that is electrically connected with brace 43.Each row's bonding pad 44 is arranged on left and right directions and is followed successively by: a power supply bonding pad (VDD) 444,445, first couples of differential signal bonding pad (RX-of a ground connection bonding pad (GND), RX+) 445, second couples of differential signal bonding pad (TX-of 441, one ground connection bonding pad (GND), TX+) 442, one ground connection bonding pad (GND) 445, the 3rd pair of differential signal bonding pad (D-, D+) 443, a ground connection bonding pad (GND) 445.Power supply bonding pad 444 is electrically connected with power supply terminal 204, first pair of differential signal bonding pad 441 and first pair of difference signal terminal 201 are electrically connected one by one, second pair of differential signal bonding pad 442 and second pair of difference signal terminal 202 are electrically connected one by one, the 3rd pair of differential signal bonding pad 443 and the 3rd pair of difference signal terminal 203 are electrically connected one by one, and all ground connection bonding pads 445 form a grounded circuit with all earth terminals 205.

flat cable 6 comprises two flat cables 6 of consistency from top to bottom, flat cable 6 welds together with the bonding pad 44 of internal circuit board 4 upper surfaces 41, another root flat cable 6 welds together with the bonding pad 44 of internal circuit board 4 lower surfaces 42, each flat cable 6 comprises a power line 64, one first earth connection (GND) 651, some the second earth connections (GND) 652, first couple of differential signal line (RX-, R+) 61, second couple of differential signal line (TX-, TX+) 62, the 3rd couple of differential signal line (D-, D+) 63, power line 64 is positioned at the outermost locations of flat cable 6, the first earth connection 651 is between power line 64 and one second earth connection 652, putting in order on left and right directions: power line 64, the first earth connection 651, one second earth connection 652, first pair of differential signal line 61, two second earth connections 652, the second differential signal line 62, two second earth connections 652, the 3rd pair of differential signal line 63, one second earth connection 652.power line 64 and the first earth connection 651 are combined by many conductors respectively, the second earth connection 652 and differential signal line 61, 62, 63 only have a conductor, every a pair of differential signal line 61, 62, 63 both sides row is provided with one second ground wire 652, make adjacent two pairs of differential signals 61, 62, be provided with two second ground wires 652 between 63, in order to eliminate differential signal line 61, 62, the noise in 63 outsides, improve the quality of signal transmission, three pairs of differential signal lines 61, 62, 63 respectively with first, second, the 3rd pair of differential

signal bonding pad

441, 442, 443 one by one correspondence weld together, first, the second earth connection 651, 652 weld together respectively with ground connection bonding pad 445, the first earth connection 652 and one second earth connection 652 are soldered on same ground connection bonding pad 445, form an electric power loop between the second earth connection 652 and power line 64.

Insulation crust 5 is overmolded onto the outside of insulating body 1, locating piece 3 and internal circuit board 4, makes internal circuit board 4 and conducting terminal 2 and flat cable 6 link together reliably.

The utility model micro coaxial cable connector assembly 100 adopts internal circuit board 4 that conducting terminal 2 is communicated with flat cable 6, improve the connection reliability between conducting terminal 2 and flat cable 6, by the arrangement of the brace 43 on internal circuit board 4 with bonding pad 44, make conducting terminal 2 easy with flat cable 6 welding, improve the high frequency characteristics of micro coaxial cable connector assembly 100, in addition, flat cable 6 has that volume is little, flexible, flexible use, impel the product miniaturization, Decrease production cost is enhanced productivity etc.

In sum, these are only preferred embodiment of the present utility model, should not limit scope of the present utility model with this, be that every simple equivalence of doing according to the utility model claims and utility model description changes and modifies, all should still belong in the scope that the utility model patent contains.

Claims

1. micro coaxial cable connector assembly, it comprises insulating body and is contained in the interior some conducting terminals of insulating body, described insulating body has the docking section and runs through some accepting grooves of docking section, described conducting terminal comprises and extends into accepting groove in order to the contact site that docks with socket connector and the connecting portion that extends back, it is characterized in that: described micro coaxial cable connector assembly also comprises flat cable and connects the internal circuit board of flat cable and conducting terminal, described internal circuit board has the some metal connecting sheets that weld together with the conducting terminal connecting portion and the some metal welding contact pin that weld together with flat cable, brace and bonding pad are electrically connected, described bonding pad comprises some to the differential signal bonding pad and be positioned at the ground connection bonding pad of every a pair of differential signal bonding pad both sides, has a ground connection bonding pad between adjacent two pairs of differential signal bonding pads, described flat cable has two earth connections that are welded on same ground connection bonding pad.

2. micro coaxial cable connector assembly according to claim 1 is characterized in that: described conducting terminal has upper and lower two row's conducting terminals, and the front end of circuit board is clamped between the connecting portion of this two rows conducting terminal.

3. micro coaxial cable connector assembly according to claim 2, it is characterized in that: the earth terminal that each row's conducting terminal comprises first pair of difference signal terminal, second pair of difference signal terminal, the 3rd pair of difference signal terminal and is positioned at above-mentioned difference signal terminal side, first pair of difference signal terminal is that hypervelocity receives difference signal terminal, in order to receive differential signal; Second pair of difference signal terminal is that hypervelocity sends difference signal terminal, in order to send differential signal; The 3rd pair of difference signal terminal is the low frequency difference signal terminal, in order to receive and to send low frequency difference signal.

4. micro coaxial cable connector assembly according to claim 3, it is characterized in that: described internal circuit board has relative upper and lower surface, the upper and lower surface of built-in circuit front edge of board is arranged respectively and is provided with a described brace of row, the upper and lower surface of internal circuit board rear end is arranged respectively and is provided with a described bonding pad of row, and the connecting portion of each row brace and conducting terminal is corresponding one by one to be welded together.

5. micro coaxial cable connector assembly according to claim 4, it is characterized in that: described bonding pad comprises first pair of differential signal bonding pad, second pair of differential signal bonding pad, the 3rd pair of differential signal bonding pad and be positioned at the ground connection bonding pad of above-mentioned differential signal bonding pad side, first pair of differential signal bonding pad and first pair of difference signal terminal are electrically connected one by one, second pair of differential signal bonding pad and second pair of difference signal terminal are electrically connected one by one, the 3rd pair of differential signal bonding pad and the 3rd pair of difference signal terminal are electrically connected one by one, all ground connection bonding pads and all earth terminals form a grounded circuit.

6. micro coaxial cable connector assembly according to claim 1, it is characterized in that: described bonding pad is arranged as a row on left and right directions, be followed successively by: a power supply bonding pad, a ground connection bonding pad, the first pair of differential signal bonding pad, a ground connection bonding pad, the second pair of differential signal bonding pad, ground connection bonding pad, the 3rd pair of differential signal bonding pad, a ground connection bonding pad.

7. micro coaxial cable connector assembly according to claim 5, it is characterized in that: described flat cable comprises two flat cables of consistency from top to bottom, the bonding pad of flat cable and internal circuit board upper surface welds together, the bonding pad of another root flat cable and internal circuit board lower surface welds together, each flat cable comprises a power line, one first earth connection, some the second earth connections, first pair of differential signal line, second pair of differential signal line, the 3rd pair of differential signal line, power line is positioned at the outermost locations of flat cable, the first earth connection is between power line and one second earth connection, three pairs of differential signal lines are respectively with first, second, the 3rd pair of differential signal bonding pad correspondence one by one welds together.

8. micro coaxial cable connector assembly according to claim 7, it is characterized in that: described the first earth connection and one second earth connection are welded on same ground connection bonding pad, form an electric power loop between the second earth connection and power line, described micro coaxial cable connector assembly meets USB 3.0 host-host protocols.

9. micro coaxial cable connector assembly according to claim 1, it is characterized in that: described micro coaxial cable connector assembly also comprises to the locating piece that is assembled on insulating body, conducting terminal has the fixed part that connects contact site and connecting portion, fixed part is fixed on locating piece, and connecting portion extends back locating piece.

10. micro coaxial cable connector assembly according to claim 9, it is characterized in that: described insulating body comprises a pair of holding part that extends back from two ends, left and right, docking section, to being formed with the fixed space of stationary positioned piece between holding part and docking section, connect before and after accepting groove and fixed space, holding part comprises top board, the side plate of the base plate relative with top board and connection top board and base plate, top board, be formed with the conduit that connects with fixed space between base plate and side plate, locating piece comprises dividing plate and the protuberance that protrudes from two ends, dividing plate left and right, dividing plate is provided with pre-and post perforative two exhausting holes, the conducting terminal fixed part is contained in through hole, protuberance is fixed in and is limited the left and right in conduit, move up and down, described side plate is provided with the clasp hole that the left and right is run through, clasp hole and conduit connect, described protuberance lateral surface is provided with the buckle piece that is snapped in the clasp hole, move forward and backward in order to limit locating piece.