CN204030140U - Electric connector - Google Patents
Electric connector Download PDFInfo
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- CN204030140U CN204030140U CN201420462913.0U CN201420462913U CN204030140U CN 204030140 U CN204030140 U CN 204030140U CN 201420462913 U CN201420462913 U CN 201420462913U CN 204030140 U CN204030140 U CN 204030140U
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- Prior art keywords
- circuit board
- electric connector
- terminal module
- interface
- pin
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Abstract
A kind of electric connector with stacking interface, it comprises case, be installed on the terminal module of case, and from the mutual snap fit of front and back rightabout and the front shield shell be coated on case and terminal module and rear shield shell, described case is provided with the upper interface of consistency from top to bottom and lower interface, terminal module has the both sides circuit board being connected to interface and lower interface, described both sides circuit board is vertically arranged along the longitudinal direction, the rear end face of described lateral circuit plate is provided with the ground strip being connected to ground, described rear shield shell is provided with the rear wall be on rear side of terminal module, rear wall is provided with the contact arm extending forward and tilt to extend, contact arm elasticity is connected to the ground strip of lateral circuit plate.Shield shell structure like this is simple, and contact arm bending forming is more easy, and EMI suppression performance is better.
Description
[technical field]
The utility model relates to a kind of electric connector with stacking interface, particularly relates to a kind of ground structure of stacking interface electric connector internal circuit board.
[background technology]
At present, for the network interface connector of the communication apparatus such as router, switch, usually have two rows of stacking setting to plug receptacle, this kind of electric connector is installed on one piece of mainboard of this communication apparatus, insertion can be connected to mainboard to the pin connector in plug receptacle.The speed more and more higher due to communication apparatus and the demand of antijamming capability, this kind of connector has the filter element such as isolating transformer and common-mode filter for filtering noise information usually.These filter elements are installed in connector by internal circuit board usually, and terminal is interfered to the connection needs minimizing as far as possible of circuit board, balanced impedance.Interfere for reducing, balanced impedance, current industry occurs the syndeton of three pieces of circuit boards, namely in order to circuit board before carrying RJ terminal, in order to carry the both sides circuit board of filter, front circuit board is arranged perpendicular to fore-and-aft direction, and RJ terminal is installed on before front circuit board, and the inner side of both sides circuit board is with installing aforementioned filter element, the leading edge of both sides circuit board is connected to front circuit board by conversion terminal, and lateral circuit plate is connected to aforementioned mainboard by pin connecting terminals.For reducing EMI (electromagnetic interference), clad metal shielding case outside connector usually, and the circuit board of connector inside also needs by metal shielding ground connection usually, more ground connection, and EMI suppression performance is better.
[utility model content]
Technical problem to be solved in the utility model is to provide a kind of stacking interface electric connector providing simple ground structure.
For solving the problems of the technologies described above, the utility model provides a kind of electric connector with stacking interface, this electric connector comprises case, be installed on the terminal module of case, and from the mutual snap fit of front and back rightabout and the front shield shell be coated on case and terminal module and rear shield shell, described case is provided with the upper interface of consistency from top to bottom and lower interface, terminal module has and extends into upper end subgroup in interface and lower interface and lower end subgroup respectively, be electrically connected at the both sides circuit board of upper end subgroup and lower end subgroup respectively, and the some pin terminals be arranged on the downside of terminal module, described both sides circuit board is vertically arranged along the longitudinal direction, described pin terminal connects both sides circuit board respectively, and to downward-extension in order to be connected to a external circuit board, the pin connector of interface or lower interface in insertion, successively by upper end subgroup or lower end subgroup, lateral circuit plate, pin terminal, be connected to the external circuit board, the rear end face of described lateral circuit plate is provided with the ground strip being connected to ground, described rear shield shell is provided with the rear wall be on rear side of terminal module, rear wall is provided with the contact arm extending forward and tilt to extend, contact arm elasticity is connected to the ground strip of lateral circuit plate.
Hinge structure, utility model provides elastic arm to tilt to be resisted against the board rear end face, both sides vertically arranged, and the contact arm forward fold that connects is resisted against the side of lateral circuit plate, rear wall forms the hole of leaking EMI less, and this kind of contact arm bending forming is more easy, and structure is simple.
As further design, described rear wall lower end is provided with the cramp of forward fold, the rear end of described terminal module is provided with buckle slot, cramp is fixed in buckle slot, thus when preventing contact arm from abutting with ground strip, rear wall produces strain, causes follow-up assembling difficult, or contact arm and ground strip loose contact.
As further design, described cramp is provided with button hole, is provided with buckle block in described buckle slot, and cramp can be engaged in buckle slot forward, and buckle block elasticity is snapped in button hole.
As further design, described terminal module also comprises pin plastic cement, and described pin terminal is fixed on pin plastic cement.
As further design, described buckle slot is arranged at described pin plastic cement.
As further design, described rear shield shell is sheet metal punch forming, and described contact arm from the die-cut formation in rear wall centre position, and is provided with reinforcement in contact arm connection rear wall position.
As further design, described rear wall is provided with to downward-extension in order to be mounted to the grounding leg of the external circuit board.
As further design, electric connector have multiple horizontal alignment arrange on to plug receptacle and multiple horizontal alignment arrange lower to plug receptacle, and comprise horizontal alignment setting multiple corresponding terminal modules.Cramp of the present utility model adds contact arm structure, and the structure of the multipair plug receptacle of wider width is even more important.
As further design, the end of described contact arm linearly extends, thus forms the cusp acting on ground strip, thus forms scraping cooperation to ground strip.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the electric connector meeting a kind of stacking two layer interfaces of the present utility model.
Fig. 2 is the explosive view of electric connector as shown in Figure 1.
Fig. 3 is the stereogram of the terminal module of electric connector as shown in Figure 2.
Fig. 4 is the explosive view (filter element wherein on lateral circuit plate is omitted) of terminal module as shown in Figure 3.
Fig. 5 is the stereogram of the pin module of terminal module as shown in Figure 4.
Fig. 6 is the docking module of terminal module as shown in Figure 4 and the stereogram of front circuit board.
Fig. 7 is the stereogram of the lateral circuit plate of terminal module as shown in Figure 4.
Fig. 8 is the partial enlarged drawing as A place in Fig. 3.
Fig. 9 is the partial enlarged drawing as B place in Fig. 3.
Figure 10 is the assembling schematic diagram of each element of terminal module as shown in Figure 4.
Figure 11 is the stereogram of the terminal module meeting another embodiment of the present utility model.
Figure 12 is the explosive view of the module of terminal shown in Figure 11.
Figure 13 is the assembling schematic diagram of each element of the module of terminal shown in Figure 11.
Figure 14 is the stereogram at another visual angle of electric connector shown in Fig. 1.
Stereogram after the rear shield shell that Figure 15 is electric connector shown in Figure 14 is opened.
Figure 16 is the stereogram at another visual angle of the module of terminal shown in Fig. 3.
Figure 17 is the partial enlarged drawing at C place in Figure 14.
[embodiment]
As shown in Figures 1 to 10, one meets the electric connector 100 of the stacking interface of 2 × N-type of the present utility model, for by the crystal head of local area network (LAN) (also referred to as pin connector, not shown) be connected to the circuit board of communication apparatus (because of not inner at connector, hereinafter referred to as the external circuit board, not shown).
Described electric connector 100 comprises by both sides fastening before and after the case 106 of insulation plastic cement injection mo(u)lding, the terminal module 200 being installed on case 106 and one-tenth thus is coated on the front shield shell of case 106 104 and rear shield shell 102.Described case 106 is provided with the some upper interface 107 of consistency from top to bottom and some lower interfaces 108, and each on plug receptacle 107 is alignd setting in the horizontal direction, respectively lower plug receptacle 108 also to be alignd setting in the horizontal direction.
Described terminal module 200 comprises and extends into interface 107 and the upper end subgroup 222 (RJ terminal) in lower interface 108 and lower end subgroup 224 (RJ terminal) respectively, in order to connect upper end subgroup 222 circuit board (first circuit board) 24 with lower end subgroup 224 and before arranging perpendicular to fore-and-aft direction, be vertically connected at front circuit board 24 and the both sides circuit board (second circuit board) 26 of vertical direction setting, and the pin module (non-label) be arranged on the downside of terminal module 200.Described pin module comprises pin plastic cement 280 and is installed on some pin terminals 28 of pin plastic cement 280.Described pin terminal 28 connects both sides circuit board 26 respectively, and to downward-extension in order to be connected to said external circuit board.The pin connector of interface 107 or lower interface 108 in insertion, successively by upper end subgroup 222 or lower end subgroup 224, front circuit board 24, lateral circuit plate 26, pin terminal 28, is connected to the external circuit board.The front end of both sides circuit board 26 is equipped with the through hole 260 of vertical direction growth bar shaped, and this through hole reality also can be designed to notch shape, and the sidewall namely surrounding notch is not exclusively closed.The base 262 that this through hole 260 is extended by vertical direction, the dual-side 264 connecting two ends, base 262 about and connection dual-side 264 are also parallel to the gulde edge 266 that base 262 extends and surround.When gulde edge 266 mid portion disconnects, just having become notch shape, is the alternate embodiment of through hole in the utility model 260.Front circuit board 24 is provided with the vertical edge 248 extended in notch 260, and described vertical edge 248 is located between gulde edge 266 and base 262.Described notch 260 edge is provided with the some conducting strips 269 vertically arranged, vertical edge 248 is provided with the some conducting strips of the correspondence vertically arranged (not shown), and the conducting strip 269 inside described notch 260 and the corresponding conducting strip at vertical edge 248 are welded to connect that front circuit board 24 is connected to lateral circuit plate 26.
Described front circuit board 24 is provided with and is in vertical two ends, edge about 248 and and the vertical screens limit 246 of interval one accepting groove 247 between edge 248.Accepting groove 247 accommodates the dual-side 264 of aforementioned notch 260, and two screens limits 246 are from both up and down to being positioned outside dual-side 264.
Described pin terminal 28 is fixed on pin plastic cement 280, and described pin plastic cement 280 has the locating surface 282 be supported in inside both sides circuit board 26, and this structure can strengthen the structural stability of terminal module 200.Described pin plastic cement 280 is provided with forward convex extension part 286, and front circuit board 24 lower end is provided with under shed 240, and convex extension part 286 is contained under shed 240.
The top and bottom, front side of described front circuit board 24 are separately installed with LED 242 and lower LED 244, and described upper LED 242 and lower LED 244 are in order to be marked with the connection status of pin connector in plug receptacle 107 and lower plug receptacle 108 respectively.Terminal module 200 also comprises the upper LED terminal 32 and lower LED terminal 34 that are fixed on pin plastic cement 280, and upper LED terminal 32 and lower LED terminal 34 are connected to the lower end of front circuit board 24, in order to by the Signal transmissions of the external circuit board to front circuit board 24.Lower LED is in the two opposite sides of under shed 240, and the lower LED terminal 34 connecting lower LED is fixed on convex extension part 286.Lower LED terminal 34 has to downward-extension in order to be installed on the pin 344 of the external circuit board and to extend back to be installed on the stitch 342 of front circuit board 24 from pin 344 upper end.Described front circuit board 24 is provided with the conductive trough 245 under shed, described front circuit board 24 can be coordinated downwards and make conductive trough 245 accommodate the stitch 342 of aforementioned lower LED terminal 34 downwards.Described upper end subgroup 222 and lower end subgroup 224 are installed on the centre position of described front circuit board 24, upper LED by the upside in front circuit board 24 centre position be connected to lateral circuit plate 26, again by lateral circuit plate 26 be connected to front circuit board 24 centre position downside, be finally connected to the external circuit board by upper LED terminal 34 again.
As Figure 11 to Figure 13, be depicted as the terminal module 400 meeting the utility model second execution mode and illustrate.Described terminal module 400 is mainly from last the different of execution mode terminal module 200, the front circuit board 44 of terminal module 400 arranges through hole 442, the edge of through hole 442 is provided with the first conducting strip 449, the lateral circuit plate 46 of terminal module 400 arranges vertical edge 468, when terminal module 400 is assembled, the through hole 442 of front circuit board 44 is placed on the vertical edge 468 of lateral circuit plate 46, and first conducting strip 449 at through hole 442 edge is welded in the second conducting strip 469 on vertical edge 468.Because RJ terminal 422 is too near with first conducting strip 449 position at through hole 442 edge, easily cause connecting weldering, from this respect, last execution mode more reasonable structure, but when connector width dimensions is unrestricted, the structure of this second execution mode also can be adopted.
Refer to Figure 14 to Figure 17, be depicted as the ground structure design of last execution mode electric connector 100.The rear end face of described lateral circuit plate 26 is provided with the ground strip 532 being connected to ground, described rear shield shell 102 is provided with the rear wall 52 be on rear side of terminal module 200, rear wall 52 is provided with the contact arm 526 extending forward and tilt to extend, and contact arm 526 elasticity is connected to the ground strip 532 of lateral circuit plate 26.The end of described contact arm 526 linearly extends, thus forms the cusp acting on ground strip 532, thus forms scraping cooperation to ground strip 532.Described rear wall 52 lower end is provided with some cramps 522 of forward fold, and the rear end of described pin plastic cement 280 is provided with buckle slot 540, and cramp 522 is fixed in buckle slot 540.Described cramp 522 is provided with button hole 520, is provided with buckle block 544 in described buckle slot 540, and cramp 522 can be engaged to forward in buckle slot 540, and buckle block 544 elasticity is snapped in button hole 520.Described rear shield shell 102 is sheet metal punch forming, and described contact arm 526 from the die-cut formation in rear wall 52 centre position, and connects rear wall 52 position at contact arm 526 and is provided with reinforcement 528.Described rear wall 52 is also provided with to downward-extension in order to be mounted to some grounding legs 524 of the external circuit board, and each grounding leg 524 and each cramp 522 interval are arranged.
Claims (9)
1. one kind has the electric connector of stacking interface, it comprises case, be installed on the terminal module of case, and from the mutual snap fit of front and back rightabout and the front shield shell be coated on case and terminal module and rear shield shell, described case is provided with the upper interface of consistency from top to bottom and lower interface, terminal module has and extends into upper end subgroup in interface and lower interface and lower end subgroup respectively, be electrically connected at the both sides circuit board of upper end subgroup and lower end subgroup respectively, and the some pin terminals be arranged on the downside of terminal module, described both sides circuit board is vertically arranged along the longitudinal direction, described pin terminal connects both sides circuit board respectively, and to downward-extension in order to be connected to a external circuit board, the pin connector of interface or lower interface in insertion, successively by upper end subgroup or lower end subgroup, lateral circuit plate, pin terminal, be connected to the external circuit board, it is characterized in that: the rear end face of described lateral circuit plate is provided with to be connected to the ground strip on ground, described rear shield shell is provided with the rear wall be on rear side of terminal module, rear wall is provided with the contact arm extending forward and tilt to extend, contact arm elasticity is connected to the ground strip of lateral circuit plate.
2. electric connector as claimed in claim 1, it is characterized in that: described rear wall lower end is provided with the cramp of forward fold, the rear end of described terminal module is provided with buckle slot, and cramp is fixed in buckle slot.
3. electric connector as claimed in claim 2, it is characterized in that: described cramp is provided with button hole, be provided with buckle block in described buckle slot, cramp can be engaged in buckle slot forward, and buckle block elasticity is snapped in button hole.
4. electric connector as claimed in claim 3, it is characterized in that: described terminal module also comprises pin plastic cement, described pin terminal is fixed on pin plastic cement.
5. electric connector as claimed in claim 4, is characterized in that: described buckle slot is arranged at described pin plastic cement.
6. electric connector as claimed in claim 1, is characterized in that: described rear shield shell is sheet metal punch forming, and described contact arm from the die-cut formation in rear wall centre position, and is provided with reinforcement in contact arm connection rear wall position.
7. electric connector as claimed in claim 1, is characterized in that: described rear wall is provided with to downward-extension in order to be mounted to the grounding leg of the external circuit board.
8. electric connector as claimed in claim 2, is characterized in that: electric connector have that multiple horizontal alignment arranges on to plug receptacle and multiple horizontal alignment arrange lower to plug receptacle, and comprise multiple corresponding terminal modules of horizontal alignment setting.
9. electric connector as claimed in claim 1, is characterized in that: the end of described contact arm linearly extends, thus forms the cusp acting on ground strip, thus forms scraping cooperation to ground strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462913.0U CN204030140U (en) | 2014-08-09 | 2014-08-09 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462913.0U CN204030140U (en) | 2014-08-09 | 2014-08-09 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030140U true CN204030140U (en) | 2014-12-17 |
Family
ID=52069970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420462913.0U Active CN204030140U (en) | 2014-08-09 | 2014-08-09 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755916A (en) * | 2019-03-28 | 2020-10-09 | 莫仕连接器(成都)有限公司 | Electrical connector |
-
2014
- 2014-08-09 CN CN201420462913.0U patent/CN204030140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755916A (en) * | 2019-03-28 | 2020-10-09 | 莫仕连接器(成都)有限公司 | Electrical connector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |