CN2749122Y - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN2749122Y CN2749122Y CN 200420013979 CN200420013979U CN2749122Y CN 2749122 Y CN2749122 Y CN 2749122Y CN 200420013979 CN200420013979 CN 200420013979 CN 200420013979 U CN200420013979 U CN 200420013979U CN 2749122 Y CN2749122 Y CN 2749122Y
- Authority
- CN
- China
- Prior art keywords
- circuit board
- electric connector
- shielding plate
- insulating body
- gap portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a high-density electric connector, comprising an insulating body, a plurality of circuit boards which are arranged parallelly, a plurality of pressure connectors, and a metal shield casing. The insulating body is provided with a base body and a first shield piece, and the metal shield casing which is buckled with the insulating body is provided with a second shield piece. The base body is provided with a plurality of parallel channels; each circuit board comprises a mating part which is butted with a butt connector, and a mounting part which is held in the corresponding channel of the insulating body; each pressure connector which is held in the base body is mechanically and electrically connected with the circuit board, and the mating part of the circuit board is assembled between the first shield piece and the second shield piece. The first shield piece and the second shield piece not only can guide the insertion of the butt connector, but also can simplify the location of the circuit board die set.
Description
[technical field]
The utility model is relevant a kind of electric connector, relates in particular to a kind of some electric connectors that are used for the circuit board module of transmit high-speed signals that have.
[background technology]
Along with communication and development of computer, need make up some signal transmission paths in two electric rooms with high density electrical connector.This electric connector is widely used in the inside connected system of the similar electronic equipment that needs the high-speed data processing and communicate by letter such as server, router.
United States Patent (USP) the 6th, 171 No. 115 and the 6th, 267, has disclosed a kind of high-speed electrical connectors that is provided with plurality of single circuit board No. 604.This electric connector comprises preceding insulation division, and preceding insulation division is provided with an antetheca and upper and lower casing, and antetheca comprises the some parallel slits that extend through antetheca, and upper and lower casing comprises the conduit that aligns with corresponding slit; The docking section, insulation division and in order to the some circuit boards of fixing before being coupled to, the fluting that this docking section is provided with some and the corresponding slit in slit and is located at diapire and is connected with the slit.Each circuit board comprises the mating part and the limit is installed that the slit of insulation division was installed the limit and is contained in the fluting of docking section correspondence with matched with butt connector before the mating part exceeded.The limit is installed is provided with by welding and is immobilizated in conducting terminal on the circuit board, this conducting terminal extends through the fluting of docking section to electrically connect with circuit substrate.
Yet, adopt two sheet insulating bodies to come not only complex structure of this mode of fixing circuit board module, and manufacturing cost increases.In addition, in order to reduce the influence of electromagnetic interference to electric connector, must provide extra anti-electromagnetic interference device, this will increase manufacturing cost equally.
United States Patent (USP) the 5th, 672 No. 064, the 5th, 702, No. 258 and the 5th, 980, has disclosed a kind of electric connector that adopts the metal shielding casing to reduce electromagnetic interference No. 321.
United States Patent (USP) the 5th, 702 has disclosed a kind of module electric connector No. 258, and this electric connector comprises a metal shielding casing and is coupled to plurality of terminals module on the metal shielding casing.Each terminal module comprises an insulating body, and this insulating body is provided with first shielding portion and second shielding portion, and first shielding portion cooperates the insertion in order to the guiding butt connector with second shielding portion.
United States Patent (USP) the 5th, 980 has disclosed a kind of high-speed electrical connectors No. 321, and this electric connector comprises that some wafers that pile up each other and fixing wafer are in the metal shell of appropriate location.Each wafer comprises shielding plate and signal patch two parts.For the fixing wafer it is not rotated, between metal shell and wafer, be provided with three buckle points.This buckle is reached by being located at projection on the wafer and the slit that is located at the correspondence on the metal shell.Yet,, therefore will increase the manufacturing and the assembling difficulty of electric connector because projection must be accurately corresponding respectively with slit.In addition, shielding plate and signal patch each interval are arranged and will be reduced effective signal density.
Therefore, be necessary to provide a kind of improved electric connector, to overcome the defective of prior art.
[utility model content]
The purpose of this utility model is to provide a kind of high density electrical connector, and it is provided with improved metal shielding casing in order to simplify the location of circuit board module.
Another purpose of the present utility model is to provide a kind of high density electrical connector, and it is provided with improved metal shielding casing and inserts in order to the guiding butt connector.
For reaching above-mentioned purpose, the utility model high density electrical connector comprises insulating body, the some circuit board modules that be arranged in parallel that is provided with the matrix and first shielding plate and is held in metal shielding casing on the insulating body.Matrix is provided with some parallel channels, and first shielding plate extends forward from matrix.The circuit board module is immobilizated between insulating body and the metal shielding casing.Each circuit board module comprise insulation gap portion, matched with insulation gap portion and be contained in the circuit board in the corresponding conduit of insulating body and be located in the corresponding conduit and with circuit board machinery and the crimp type terminal that electrically connects.The metal shielding casing comprises second shielding plate relative with first shielding plate.Circuit board is provided with the mating part, and this mating part is mounted between first shielding plate and second shielding plate.
Compared with prior art, the utility model electric connector has following beneficial effect: the metal shielding casing hide on circuit board and with the reliable fixing of insulating body, thereby reach good anti-electromagnetic interference effect.The metal shielding casing is provided with second shielding plate simultaneously, and insulating body is provided with first shielding plate, and both can guide the insertion of butt connector.This electric connector structure is simple, easy to assembly, has reduced manufacturing cost.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model electric connector.
Fig. 2 is the end view of electric connector shown in Figure 1.
Fig. 3 is the three-dimensional exploded view of electric connector shown in Figure 1.
The partial enlarged drawing of Fig. 4 for being got along circle A shown in Figure 3.
Fig. 5 is the three-dimensional exploded view after the circuit board module of the utility model electric connector omits crimp type terminal.
Fig. 6 is the cutaway view along Fig. 2 A-A direction.
Fig. 7 is the cutaway view along Fig. 2 B-B direction.
Fig. 8 is the plane graph of first side of the utility model circuit board that electric connector uses.
Fig. 9 is the plane graph of second side of the utility model circuit board that electric connector uses.
Figure 10 is the stereogram of the utility model crimp type terminal that electric connector uses.
[embodiment]
See also Fig. 1, Fig. 2 and shown in Figure 3, the utility model electric connector 100 comprises insulating body 1, metal shielding casing 2, be immobilizated in some circuit board modules 3 of 2 of insulating body 1 and metal shielding casings and be inserted in latch 4 in the circuit board module 3.
Insulating body 1 comprises rectangle matrix 10, first shielding plate 11 that extends forward from the bottom of matrix 10 1 ends, laterally runs through wearing groove 17 and being arranged at some perforation 16 of insulating body Hou end of insulating body 1.Matrix 10 comprises some parallel channel 13 and some passages 14 that are connected with these conduits 13 and extend through matrix 10 downwards along insulating body 1 longitudinal extension.First shielding plate 11 is provided with the some flutings 15 that align with corresponding conduit 13.Wear groove 17 and be provided with the groove 172,171 (ginseng Fig. 6) that opening makes progress and Open Side Down, this opening upwards and Open Side Down, and groove 172,171 each intervals are arranged, and wherein wear groove 17 vertical direction and exterior, and horizontal direction communicates with vicinity conduit 13.
Circuit board module 3 piles up in mode side by side.In the present embodiment, except the circuit board module of the leftmost side shown in Figure 3, other circuit board module group structure is identical.See also shown in Figure 5ly, leftmost side circuit board module 3 comprises insulation gap portion 30, insulation board 32 and is contained between the two circuit board combination 34.Insulation gap portion 30 is a flat lamellar body, it comprise be located at first side in order to the groove 300 of accommodating circuit board combination 34, be located in the groove 300 and horizontally extending reference column 303, the T type projection 304 of being located at insulation gap portion 30 apical margins, the edge spacer portion of alienating oneself 30 front end root edges extend and be provided with the lamellar body 306 of a through hole 307 and angle 308 that the edge spacer portion 30 rear end root edges of alienating oneself extend downwards downwards.
See also Fig. 3 and Fig. 8, circuit board combination 34 comprises that circuit board 36 reaches and some crimp type terminals 38 of circuit board 36 machineries and electric connection.Circuit board 36 is provided with some holding hole 360, and these holding hole 360 are in order to accommodating corresponding reference column 303 in the insulation gap portion 30, thereby with circuit board combination 34 and insulation gap portion 30 fixing mutually.Insulation board 32 is provided with the perforation 320 of equal number, and these perforation 320 in order to accommodate corresponding reference column 303 in the insulation gap portion 30, are held between insulation gap portion 30 and the insulation board 32 thereby circuit board is made up 34 equally.
See also Fig. 3, Fig. 5 and Fig. 8, other each circuit board module 3 is similar to the circuit board module of the leftmost side, and difference is: other circuit board module 3 is not provided with second side that insulation board 32 and groove 300 are located at insulation gap portion 30.Per two adjacent circuit board modules 3 pile up in mode side by side and cooperate to come the adjacent circuit board module 3 of fixing by the groove 310 in the extending column 309 in the insulation gap portion 30 and the contiguous insulation gap portion 30.Wherein, per two insulation gap portions 30 are provided with a T type projection 304.
See also Fig. 5,6,7 and in conjunction with consulting Fig. 3, circuit board module 3 and metal shielding casing 2 are matched and be mounted in the insulating body 1.Wherein, projection 304 is contained in the corresponding opening 202, and angle 308 is positioned to bore a hole in 16, and installation portion 364 is inserted in the conduit 13.Crimp type terminal 38 be contained in the passage 14 of insulating body 1 and the bottom surface that extends beyond insulating body 1 in order to (not shown) in the perforation that is inserted in the printed circuit board (PCB) correspondence.After circuit board module 3 was connected to insulating body 1, latch 4 inserted and runs through in the perforation 366 of the through hole 307 of wearing groove 17, insulation gap portion 30 of insulating body 1 and circuit board 36 mating part 362 in order to accurate locating circuit board 36.Second shielding plate 201 of metal shielding casing 2 is parallel and separated by a distance in vertical direction with first shielding plate 11 of insulating body 1.The mating part 362 of circuit board 36 is mounted between first shielding plate 11 and second shielding plate 201.When the angle 222 of metal shielding casing 2 and grounding path (not shown) electric connection on the printed circuit board (PCB), metal shielding casing 2 can effectively prevent electromagnetic interference.
Fig. 8 and Fig. 9 have disclosed the two sides of circuit board 36.Alternately be provided with on first side 301 of circuit board 36 on signal line 370 and ground path 372, the second sides 302 and then only be provided with ground path 372.
The mating part 362 of each circuit board 36 is provided with signal pad 374 and ground mat 376.Signal pad 374 electrically connects with signal line 370, and only is located on first side 301 of circuit board 36.Ground mat 376 electrically connects with ground path 372, and is located on first and second side 301,302 of circuit board 36.Ground path 372 passes the electric connection between conductive hole 379 is arranged at circuit board 36 two sides with foundation the ground mat 376.
See also Fig. 3 and shown in Figure 4, in the utility model electric connector 100, crimp type terminal 38 is immobilizated in the installation portion 364 of circuit board 36 by surface mounting technology.Hereinafter will elaborate to this.
See also Figure 10 and in conjunction with shown in Figure 7, each crimp type terminal 38 comprises one interferes holding parts 380 in the passage 14 that is immobilizated in insulating body 1, extends upward and extend the type that is pressed into afterbody 384 to electrically connect with printed circuit board (PCB) (not shown) downwards with the contact site 382 of installation portion 364 surface soldered of circuit board 36 and from holding parts 380 from holding parts 380.Contact site 382 is positioned a side of holding parts 380 and is provided with the projection 383 of extending to holding parts 380 relative opposite sides.
See also Fig. 8, Fig. 9 and shown in Figure 10, the installation portion 364 of circuit board 36 is provided with the row's of going up manhole 377 of the projection 383 of accommodating crimp type terminal 38 and is located at installation portion 364 root edges in order to accommodate following row's semicircle orifice 378 on crimp type terminal 38 holding parts 380 tops.
Fig. 4 has disclosed the situation on the installation portion 364 that crimp type terminal 38 is welded in circuit board 36.First side 301 of installation portion 364 is provided with the welding material 35 that electrically connects with respective signal circuit 370 and ground path 372.Crimp type terminal 38 is located on the welding material 35, and projection 38 3 is contained in the manhole 377, and holding parts 380 tops are contained in the semicircle orifice 378.After welding material 35 fusing, it is filled in and reaches between projection 383 and the corresponding manhole 377 between holding parts 380 and the corresponding semicircle orifice 378.After welding material 35 cooled and solidified, the installation portion 364 reliable fixings of crimp type terminal 38 and circuit board 36.Owing to make between circuit board 36 and the crimp type terminal 38 by manhole 377 and semicircle orifice 378 this modes to reach reliable welding, thereby make circuit board 36 can keep out the high insertion force of crimp type terminal 38.
Claims (10)
1. electric connector, it comprises the insulating body with matrix, some circuit boards that be arranged in parallel, some crimp type terminals and the metal shielding casing that interlocks and hold with insulating body, matrix is provided with some parallel channels, each circuit board comprises with the mating part of butt connector butt joint and is contained in installation portion in the corresponding conduit of insulating body, each crimp type terminal is contained in the matrix and the mechanical and electric connection with circuit board, it is characterized in that: insulating body is provided with first shielding plate, the metal shielding casing is provided with second shielding plate, and the mating part of circuit board is mounted between first shielding plate and second shielding plate.
2. electric connector as claimed in claim 1 is characterized in that: described first shielding plate is provided with the some flutings that align with corresponding conduit, and circuit board is provided with the preceding lower edge that is contained in the fluting.
3. electric connector as claimed in claim 1 is characterized in that: described first shielding plate is parallel with second shielding plate.
4. electric connector as claimed in claim 3 is characterized in that: described metal shielding casing is provided with a roof, and this roof is provided with a main part, and the autonomous body of second shielding plate extends forward.
5. electric connector as claimed in claim 4 is characterized in that: described second shielding plate comprises that the upper piece that autonomous body extends forward reaches the lower piece that bends extension from the upper piece leading edge backward, and upper piece and lower piece overlap each other.
6. electric connector as claimed in claim 4 is characterized in that: described metal shielding casing further is provided with a rear wall, and this rear wall is provided with some angles, and angle is inserted in the corresponding perforation of printed circuit board (PCB).
7. electric connector as claimed in claim 4 is characterized in that: described electric connector further comprises some insulation gaps portion, and each circuit board connects with corresponding insulation gap portion and forms the circuit board module.
8. electric connector as claimed in claim 7 is characterized in that: described metal shielding casing is provided with the some openings that are close to second shielding plate in roof, and insulation gap portion is provided with the projection that is contained in the opening.
9. electric connector as claimed in claim 7 is characterized in that: described per two adjacent circuit board modules by be located in the insulation gap portion extending column be located at cooperating of adjacent insulation gap portion upper groove and realize stacked side by side.
10. electric connector as claimed in claim 7, it is characterized in that: described electric connector further comprises a latch, described circuit board is provided with perforation, described insulation gap portion is provided with the through hole that aligns with the circuit board perforation, and latch inserts in the through hole of the perforation of insulating body, circuit board and insulation gap portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/728,438 | 2003-12-05 | ||
| US10/728,438 US6884117B2 (en) | 2003-08-29 | 2003-12-05 | Electrical connector having circuit board modules positioned between metal stiffener and a housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2749122Y true CN2749122Y (en) | 2005-12-28 |
Family
ID=35720596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420013979 Expired - Fee Related CN2749122Y (en) | 2003-12-05 | 2004-10-19 | Electric connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2749122Y (en) |
| TW (1) | TWM267677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695636A (en) * | 2018-04-19 | 2018-10-23 | 浙江吉利控股集团有限公司 | Single-ended submodule and connector assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI501483B (en) * | 2013-07-31 | 2015-09-21 | Chief Land Electronic Co Ltd | Cable connector |
-
2004
- 2004-10-15 TW TW93216449U patent/TWM267677U/en unknown
- 2004-10-19 CN CN 200420013979 patent/CN2749122Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695636A (en) * | 2018-04-19 | 2018-10-23 | 浙江吉利控股集团有限公司 | Single-ended submodule and connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM267677U (en) | 2005-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051228 Termination date: 20121019 |