CN103490211A

CN103490211A - Cable connector assembly

Info

Publication number: CN103490211A
Application number: CN201210192897.3A
Authority: CN
Inventors: 吴荣发; 陈钧; 伍壮志
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2012-06-13
Filing date: 2012-06-13
Publication date: 2014-01-01
Anticipated expiration: 2032-06-13
Also published as: CN103490211B

Abstract

Provided is a cable connector assembly. The cable connector assembly comprises an insulation body (2), a conductive terminal (1) contained in the insulation body (2), a cable (7) electrically connected with the conductive terminal (1), a metal shell (8) covering the insulation body (2), and a cover body (6) assembled behind the metal shell (8), wherein the front end of the cover body (6) is contained in the metal shell (8), and the cover body (6) and the metal shell (8) are mutually positioned. The cable connector assembly further comprises a clamping piece (5) assembled at the front end of the cover body (6) and provided with a plurality of clamping arms (52) interfering with the inner surface of the metal shell (8). The cable connector assembly is provided with the improved clamping piece, so the overall structure is short, the miniaturization demand is met, good electromagnetic interference resistance is guaranteed, and meanwhile the situation that the metal shell unstably makes contact with the clamping piece is effectively avoided.

Description

Micro coaxial cable connector assembly

[technical field]

The relevant a kind of micro coaxial cable connector assembly of the present invention, especially a kind of micro coaxial cable connector assembly of signal high-speed transfer.

[background technology]

The prior art relevant to present patent application refers to No. CN101425650B, the Chinese patent of on 09 07th, 2011 bulletin, the prior art has disclosed a kind of micro coaxial cable connector assembly, and it comprises insulating body, be immobilizated in first group of terminal in insulating body and second group of terminal, be coated on insulating body and the outer metal shell of first and second group terminal, be coated on the external insulation housing of metal shell rear end and the cable be connected with terminal.

Yet under the trend day by day reduced in the electronic product size, the configuration of above-mentioned micro coaxial cable connector assembly is large, can't meet the miniaturization demand.

Therefore, be necessary to design the short and small micro coaxial cable connector assembly of a kind of low configuration and structure to overcome the problems referred to above.

[summary of the invention]

The object of the present invention is to provide a kind of low configuration and the short and small micro coaxial cable connector assembly of structure.

For achieving the above object, the present invention can adopt following technical scheme: a kind of micro coaxial cable connector assembly, the cable that it comprises insulating body, be contained in conducting terminal in insulating body, be electrically connected with conducting terminal, the lid after being coated on the outer metal shell of insulating body and being assembled in metal shell, the front end of described lid is contained in metal shell and mutually locates with metal shell, described micro coaxial cable connector assembly also comprises that one is assembled in the holding part of lid front end, and described holding part is provided with some fixing arms of interfering with the metal shell inner surface.

With respect to prior art, micro coaxial cable connector assembly structure of the present invention is short and small, meets the miniaturization demand, when guaranteeing good anti-electromagnetic interference performance, also effectively avoids metal shell to contact with holding part insecure.

[accompanying drawing explanation]

The three-dimensional combination figure that Fig. 1 is micro coaxial cable connector assembly of the present invention.

The three-dimensional exploded view that Fig. 2 is the micro coaxial cable connector assembly shown in Fig. 1.

Another angle three-dimensional exploded view that Fig. 3 is micro coaxial cable connector assembly shown in Fig. 2.

Fig. 4 is the decomposed figure after micro coaxial cable connector assembly shown in Fig. 1 is removed metal shell.

The schematic diagram that Fig. 5 is another angle of Fig. 4.

The part assembly drawing that Fig. 6 is a micro coaxial cable connector assembly part shown in Fig. 4.

Fig. 7 is the schematic diagram that the interior metal shell of micro coaxial cable connector assembly shown in Fig. 1 and lid fit together.

[embodiment]

Please refer to shown in Fig. 1 to Fig. 7, micro coaxial cable connector assembly 1000 of the present invention comprises insulating body 2, the cable 7 that is contained in some conducting terminals 1 of insulating body 2, is electrically connected with conducting terminal 1, be coated on the outer metal shell 8 of insulating body 2, be assembled in the lid 6 after metal shell 8, be assembled in the holding part 5 of lid 6 front ends.

Insulating body 1 is for two-part construction and comprise the first noumenon 21 and the second body 22 fitted together along the vertical direction.Wherein the first noumenon 21 comprise the first main part 23, the tongue that extends forward from the first main part 23 24 and the support portion 25 that extends back from the first main part 23.The first main part 23 both sides extend upward respectively and form a pair of barrier 231, and the guide channel 232 that the inner surface of each barrier 231 is provided with on guide channel 232, the first main body 23 barriers 231 of vertical extension is oppositely arranged.Outstanding interference part 233 and the stoping block 234 of forming outside the lateral of barrier 231, wherein stoping block 234 is positioned at barrier 231 rear sides and more protrudes from the outside than interference part 233.The inboard of barrier 231 is provided with some fins 235 simultaneously, to strengthen the interference engagement after the first noumenon 21 and the second body 22 are assembled.Tongue 24 front portions have been arranged side by side some the first accepting groove 241, the first accepting groove 241 rears and have been provided with some the second accepting grooves 242, and the setting of staggering of described the second accepting groove 242 and the first accepting groove 241, do not line up along fore-and-aft direction.The lower surface of support portion 25 is concaved with some the 3rd accepting grooves 251, and described the first accepting groove 241 aligns along fore-and-aft direction with the 3rd corresponding accepting groove 251.The upper surface of support portion 25 is concaved with some the 4th accepting grooves 252.

The second body 22 is rectangular shape substantially, and it is provided with five " protruding " fonts that run through the second body 22 along fore-and-aft direction and accommodates passage 221.The both sides that the leading-edge droop of the second body 22 upper surfaces forms depression 222, the second bodies 22 downwards outwards are extruded with respectively protuberance 223, and this protuberance 223 is arranged at along the vertical direction the second body 22 sidewall outsides and is contained in guide channel 232.

Conducting terminal 1 comprises some the first terminals 3 and some the second terminals 4, in the present embodiment, some the first terminals 3 comprise that four root architectures and arrangement all meet the conducting terminal of USB2.0 type connector, and described four the first terminals 3 are respectively power supply terminal, negative signal terminal, positive signal terminal and earth terminal.The first terminal 3 edges bury and take shape in the first noumenon 21, the first terminal 3 includes the first holding parts 31 of imbedding in the first noumenon 21, the lower surface that reaches the first weld part 33, the first weld parts 33 that extend back from the first holding parts 31 from the first holding parts 31 the first contact site 32 that first upwards bending is extended forward in level is provided with the first groove 331 so that bonding wire.Each first contact site 32 front end is bent downwardly and extends to form head 321, and this head 321 is imbedded the first accepting groove 241 front portions of the first noumenon 11.The first contact site 32 is contained in first accepting groove 241 of tongue 24 of the first noumenon 21 and the first weld part 33 is contained in the 3rd accepting groove 251 of support portion 25 of the first noumenon 21.

In the present embodiment, the second terminal 4 comprises two pairs of difference signal terminal and an earth terminal.In described two pairs of difference signal terminal wherein a pair of difference signal terminal for exporting the high signal of stating, and another to difference signal terminal for receiving high speed signal.Earth terminal is between every pair of difference signal terminal, in order to reduce crosstalking that difference signal terminal produces when the transmit high-speed signals.On bending the second contact site 42 that the second terminal 4 comprises the second holding parts 41 of being provided with some hangnails 411, extend forward from the second holding parts 41 and the second weld part 43, the second weld parts 43 that extend back from the second holding parts 41, depression is formed with the second groove 431 that facilitates bonding wire.The second contact site 42 extends the second body 22 front ends and is contained in the second accepting groove 242, and the second weld part 43 extends beyond the second body 22 rear ends and is contained in the 4th accepting groove 252 with wire 71 welding with cable 7.

Holding part 5 is by the metallic plate punching moulding, holding part 5 is assembled in lid 6 front ends, it comprises holding ring 54, and the stem portion 50 of extending to the left and right from holding ring 54 front ends reaches from stem portion 50 fixing arm 52 that has elasticity and interfere with the inner surface of metal shell 8 that bending is extended backward.Holding ring 54 is located on outside cable 7.Stem portion 50 comprises left and right both wing portions 51, and described both wing portions 51 is distributed in the left and right sides of described holding ring 54, and alar part 51 has rear surface 512, fixing arm 52 by the surrounding of both wing portions 51 respectively backward bending extend to form.In the present embodiment, fixing arm 52 is six, is respectively the upper fixing arm 521, the lower fixing arm 522 that are bent to form backward from the middle part at the upper and lower edge of left and right alar part, and the middle part of left and right edges is crooked left fixing arm 523, the right fixing arm 524 extended to form backward.Fixing arm 52 can be parallel for the upper and lower surface shown in Fig. 5, can be also mid portion projection or other local protuberances or crooked various configurations.

Lid 6 is the insulation material of injection mo(u)lding, and it comprises main part 61, the Stress Release section 64 that the location division 60 that autonomous body 61 extends forward and autonomous body 61 extend back.The front end of lid 6 is location division, is contained in metal shell 8 and mutually locates with metal shell 8, and Stress Release section 64 in a tubular form and be enclosed in outside cable 7.Location division 60 comprises the locating piece 62 at two intervals, and locating piece 62 is respectively equipped with upper wall surface 621, lower wall surface 622, side wall surface 623 and front face 620.The side wall surface 623 of the locating piece 62 of lid 6 is provided with projection 65.

Cable 7 comprises some plain conductors 71, insulating barrier 72 and the braid (not shown) between plain conductor 71 and insulating barrier 72.

Metal shell 8 is by sheet metal one bending forming, and metal shell 8 is rectangular, and the host cavity 80 that it connects before and after having, in order to accommodate insulating body 2.Front end 81 upper surfaces of metal shell 8 are provided with the draw-in groove 811 that a pair of and butt connector connect, and 82 two sides, rear end of metal shell 8 cave inward respectively and form the breach 821 with the corresponding fastening of projection 65.

During assembling, the first terminal 3 edges bury and take shape in interior formation the first module of the first noumenon 21, and the head 321 of the first terminal 3 is imbedded in the first noumenon 21.The second terminal 4 inserts in the accepting groove 221 of the second body 22 from back to front to form the second module, and is positioned in the second body 22 by holding parts 41.Again the second module edge direction from top to down is assembled on the first module, the second module between the barrier 231 of the first module with in a lateral direction that it is spacing, wherein the protuberance 223 of the second body 22 slips in the guide channel 232 of the first noumenon 21 to prevent that it is along the abutting direction relative sliding, the protuberance 223 of described the second body 22 and the common guiding-positioning structure formed between the first module and the second module of the guide channel of the first noumenon 21 232, fin 235 is in order to the interference engagement between the sidewall of the barrier 231 that strengthens the first noumenon 21 and the second body 22, prevent from being subjected to displacement along the vertical direction between the first noumenon 21 and the second body 22.The second contact site 42 of the second terminal 4 is exposed to second body 22 the place aheads and is positioned at the second accepting groove 241 of the first noumenon 21.The second weld part 43 of the second terminal 4 is contained in the 4th accepting groove 252 on the first noumenon 21.The wire 71 of cable 7 is welded in respectively first,

second weld part

33,43 of first,

second terminal

3,4.

Then, holding part 5 is clamped and fastened on the braid after the turnover of cable 7, the Stress Release section 64 of lid 6 is assembled in the insulating barrier 72 of cable 7 from back to front, coat the adhesives such as some glue near the insulating barrier of the cable 7 holding part 5, so that lid 6 is fixed on cable 7, and be assembled in holding part 5 rear portions.The stem portion 50 of holding part 5 is held in the front end of the location division 60 of lid 6, and the fixing arm 52 of holding part 5 is coated on the outer wall of lid 6.Rear surface 512 laminatings of the both wing portions 51 of the front face 620 of the locating piece 62 of lid 6 and holding part 5 simultaneously, each fixing arm 52 on holding part 5 is held in respectively each wall of the locating piece 62 of lid 6.Wherein, the upper and lower arm 52 of holding part 5 is held in respectively the upper wall surface 621 of locating piece 62, lower wall surface 622, and the left and right arm 53 of holding part 5 is held in respectively the two side walls 623 of locating piece 62.

Next, metal shell 8 is assembled in to insulating body 2 and lid 6 from front to back, insulating body 2 is contained in the host cavity 80 of metal shell 8, and the breach 821 on metal shell 8 engages with the projection 65 on lid 6.Simultaneously, the fixing arm 52 on holding part 5 is held in the inwall of metal shell 8 and produces interference with the inwall of metal shell 8.Fixing arm 52 is distributed in all directions of holding part 5, produces interference with the inwall of metal shell 8 on all directions, thereby can also avoid metal shell 8 to contact insecure with holding part 5 when guaranteeing good anti-electromagnetic interference performance.

Claims

1. a micro coaxial cable connector assembly, the cable that it comprises insulating body, be contained in conducting terminal in insulating body, be electrically connected with conducting terminal, the lid after being coated on the outer metal shell of insulating body and being assembled in metal shell, it is characterized in that: the front end of described lid is a location division, described location division is contained in metal shell and mutually locates with metal shell, described micro coaxial cable connector assembly also comprises that one is assembled in the holding part of lid front end, and described holding part is provided with some fixing arms of interfering with the metal shell inner surface.

2. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: described fixing arm is distributed in the surrounding of described holding part.

3. micro coaxial cable connector assembly as claimed in claim 2, it is characterized in that: described holding part comprises holding ring, the stem portion of extending to the left and right from the front end of holding ring, described fixing arm by described stem portion surrounding respectively backward bending extend to form, described holding ring is located on outside described cable.

4. micro coaxial cable connector assembly as claimed in claim 3, it is characterized in that: described stem portion comprises two alar parts that are positioned at described holding ring both sides, and described fixing arm is formed on described alar part.

5. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: described lid also comprises main part, described location division is extended to form forward by described main part, and described holding part comprises the stem portion with rear surface, and the front face of described location division fits in the rear surface of described holding part.

6. micro coaxial cable connector assembly as claimed in claim 5, is characterized in that: the square locating piece at two intervals about the described location division of described lid comprises.

7. micro coaxial cable connector assembly as claimed in claim 5 is characterized in that: described lid also comprises from described main part and extending back and Stress Release section in a tubular form, and described Stress Release section is enclosed in outside cable.

8. micro coaxial cable connector assembly as claimed in claim 7, it is characterized in that: described lid is fixed in cable by adhesives such as glue.

9. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: the both sides of described lid are provided with projection, described metal shell is structure as a whole, the two side of described metal shell rear end be respectively equipped with described lid on the breach that fastens of described projection.

10. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: described conducting terminal comprises the first terminal and the second terminal, described insulating body comprises the first noumenon and second body of assembling along the vertical direction.