CN2651987Y - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN2651987Y CN2651987Y CNU032773056U CN03277305U CN2651987Y CN 2651987 Y CN2651987 Y CN 2651987Y CN U032773056 U CNU032773056 U CN U032773056U CN 03277305 U CN03277305 U CN 03277305U CN 2651987 Y CN2651987 Y CN 2651987Y
- Authority
- CN
- China
- Prior art keywords
- insulating body
- electric connector
- board
- base portion
- shield shell
- 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
Links
Abstract
The utility model discloses an electric coupler, which comprises an insulating main body, a plurality of conducting terminals and shielding units. The insulating coupler wherein comprises a basal part, a butt part,, and a plurality of terminal accommodation grooves passing through the basal part and the butt part. A plurality of conducting terminals are accommodated in the corresponding terminal accommodation grooves. The shielding unit comprises a first and a second shielding shell. The first shielding shell covers the front surface of the basal part and the butt part. A fixing elastic sheet is bendedly and extendedly arranged on the upper edge of the basal part and is provided with a contact part. The second shielding shell is assembled at the back part of the insulating main body and is provided with a first plate part. A concave part is arranged on the first plate part. The contact part of the fixing elastic sheet is positioned and fixed in the concave part of the first plate part. The fixing elastic sheet of the first shielding shell is positioned and fixed into the concave part of the second shielding shell to tightly connect with the two shielding shells and effectively prevent interfering the electric coupler by external noises.
Description
[technical field]
The utility model is relevant a kind of electric connector, relates in particular to a kind of improvement of shield member of I/O electric connector of D shape port.
[background technology]
Along with consumption electronic products flourish that can carry out exchanges data with computer, numerous input/output end port (I/O Port) connector on the computer cabinet panel has appearred being arranged on, be used to connect various ancillary equipment, as display, keyboard, mouse, printer, digital camera, scanner, palmtop computer (PDA) etc.
It is several that the craft port of common input/output end port connector is D shape, circle, rectangle etc. usually.In the D shape port connector, what common having was applied in desktop computer is used to connect video picture cast (Cathode Ray Tube; CRT) the D-Sub connector of display, be used to connect LCD (Liquid Crystal Display; LCD) digital video interactive interface (Digital VisualInterface; DVI) connector and be applied in notebook computer the Docking connector that is used to connect dock work station (Docking Station), be used to connect small computer system interface (the Small Computer System Interface of external connection storage apparatus; SCSI) connector etc.In the circular port connector, common Mini DIN (Deutsche lndustrieNormen, the Deutsche industry norm (DIN)) connector that is useful on connection keyboard, mouse etc.In the rectangular port connector, the common USB that the high-speed transfer signal is arranged (Universal Serial Bus; USB) connector etc.
See also United States Patent (USP) the 5th, 104, cases such as No. the 282875th, 326984, No. 326, Japan special fair 7-111890 number and TaiWan, China patent announcement, these patents have disclosed some D shape port connectors, these electric connectors are installed in the edge of circuit board, and it comprises insulating body, is housed in plurality of conductive terminals and shield shell in the insulating body.Shield shell covers the front portion at insulating body, so that the shielding protection to the terminal butt end to be provided.When electric connector was mounted on the computer cabinet panel, this shield shell can prevent the interference of the electromagnetic radiation of cabinet outside to the normal transmission signal generation of terminal.The rear portion of connector terminals by the terminal butt end backward behind the horizontal-extending suitable length bending downwards extend on the circuit board, and the rear portion of electric connector is not provided with corresponding shield member, causes outside the rear portion of terminal is exposed to.Because circuit board is provided with numerous electronic components, under the situation of above-mentioned terminal rear portion exposure, very likely it is produced electromagnetic interference during the work of the electronic component of contiguous this electric connector, influence the stability and the reliability of signal transmission.Simultaneously, the dust of computer cabinet accumulated inside is easily attached on the terminal rear portion, and then influences the quality of telecommunication transmission.
See also TaiWan, China patent announcement the 241404th and No. 179397 cases again, these patents have disclosed the Mini din connector of circular craft port, its shield member comprises preceding shield shell that surrounds craft port and the back shield shell that is arranged on the insulating body rear portion, this back shield shell is connected with group against being coated on the insulating body and with preceding shield shell, thereby covers the terminal rear portion within it.See also No. 288683 case of TaiWan, China patent announcement again, it has disclosed the USB connector of rectangle craft port, and it has disclosed the back shield shell structure similar with preceding taking off the Mini din connector.These back shield shells can provide the shielding protection to the terminal rear portion, prevent the electromagnetic interference that the nearby electron element produces this electric connector.
Because the insulating body of the electric connector of described circle and rectangle craft port is the cube or the rectangular structure of rule usually, low, the assembling of the design difficulty of shield shell thereafter easily and firm.But; electric connector for D shape port; its insulating body is the lengthwise configuration; and the two ends of insulating body longitudinally can form a pair of installation portion that extends back usually; extend between protruding two installation portions that are exposed at insulating body in the formed receiving space terminal rear end; because the existence of above-mentioned receiving space; desiring at the insulating body rear portion of D shape port connector as described, circle or rectangular port connector equally are provided with the back shield shell; need satisfy the clad terminal rear portion; the high up in the air setting and not with termination contact; firmly wait requirement with the assembling of insulating body; therefore bigger design difficulty is arranged, become the big skill problem that the people in the industry makes great efforts to solve.
[utility model content]
The purpose of this utility model is to provide a kind of electric connector, and its shield member assembling is firm.
For achieving the above object, the utility model adopts following skill scheme: a kind of electric connector, it comprises insulating body, conducting terminal and shield member.Insulating body has the base portion of a lengthwise configuration, the installed surface that this base portion has upper surface, be oppositely arranged with upper surface and with upper surface, the adjacent forward and backward surface of installed surface, centre in base front surface has extended to form the docking section forward, the docking section has interface, is provided with the plurality of terminals accepting groove in insulating body; Plurality of conductive terminals partly is housed in the corresponding terminal accepting groove of insulating body, and it comprises the butt end that extends in the described docking section, extend back base portion from the butt end and the connecting portion that extends towards the bending of installed surface direction and be positioned at the afterbody that the connecting portion end can electrically engage with circuit board; Shield member comprises first shield shell and secondary shielding housing, first shield shell is assembled on the base portion and docking section of insulating body, it comprises substrate that covers base front surface and the frame that extends forward from substrate, frame exposes interface on every side around being coated on the docking section, be extended with fixation spring tab in the bending of substrate upper limb, described fixation spring tab is provided with pressure section; The secondary shielding housing is assembled in the rear portion of insulating body, and the connecting portion of the major general's conducting terminal that arrives covers within it, it has first board that is positioned at the top, is provided with depression on first board, and the pressure section of described fixation spring tab compresses in the described depression that is fixed on first board.
Compared with prior art, the utility model electric connector has following beneficial effect: cooperate by the depression that is provided with on fixation spring tab that is provided with on first shield shell that is assembled in insulating body base portion and docking section and the secondary shielding housing that is assembled in the insulating body rear end, and two shield shells are closely connected, and then insulating body and conducting terminal closely coated within it, thereby effectively prevent of the interference of extraneous noise, improve the quality of telecommunication transmission electric connector.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of the utility model electric connector.
Fig. 2 is the part three-dimensional exploded view of the utility model electric connector.
Fig. 3 is the part three-dimensional exploded view of another angle of the utility model electric connector shown in Figure 2.
Fig. 4 is the three-dimensional combination figure of the utility model electric connector.
[embodiment]
See also Fig. 1, shown in Figure 2, this creation electric connector comprises insulating body 1, plurality of conductive terminals 3, shield member and plate lock construction element 2, in the present embodiment, digital video interactive interface (DVI) electric connector of a kind of D shape of this electric connector port, can be installed in circuit board (not shown) edge, and by clamp structure locking on cabinet panel (not shown), and provide the input/output end port that is connected with LCD.
Please consult Fig. 3 simultaneously, insulating body 1 has a base portion 10 that is the lengthwise configuration, and base portion 10 has upper surface 11, is oppositely arranged the installed surface 12 that is adapted to couple on the circuit board and front surface 13, rear surface 14 adjacent with upper surface 11, installed surface 12 and that be oppositely arranged with upper surface 11.Front surface 13 at base portion 10 has extended to form docking section 131 forward, and docking section 131 has and is positioned at foremost and substantially the interface 132 that is " D " shape.Be formed with a pair of coupling hole 16 at the two ends of base portion 10 longitudinallies, coupling hole 16 extends through base portion 10 and is positioned at 131 both sides, docking section along being parallel to installed surface 12 directions, the upper surface 11 of base portion 10 be concaved with a pair of groove 111 of both sides and at this to the some depressed parts 112 between the groove 111.Extending back in the rear surface 14 of base portion 10 is provided with a pair of side plate that is parallel to each other 18, side plate 18 have be positioned at the top from base portion 10 horizontally extending horizontal planes 181, be tilted to down the inclined plane 182 of extending and 182 vertical planes 183 that extend straight down from the inclined plane from horizontal plane 181.Be equiped with the insulating end stroma 17 with side plate 18 firm assembly between the biside plate 18, in the vertical direction penetrating terminal seat 17 offers some grooves 171; Insulating body 1 is provided with the plurality of terminals accepting groove 15 that runs through docking section 131 and base portion 10.Installed surface 12 at insulating body 1 is provided with reference column 122 and depressed part 123.Contiguous installed surface 12 places, base portion 10 two ends of insulating body 1 extend back respectively and are provided with the installation portion 120 that is connected with side plate 18, each installation portion 120 is provided with slit 121, be provided with a pair of breach 124 that communicates with slit 121 in installation portion 120 both side edges depression, described depressed part 123 also is provided with a pair of draw-in groove 19 on the installation portion 120 between breach 124.
Conducting terminal 3 is housed in the corresponding terminal accepting groove 15 of insulating body 1, and each conducting terminal comprises butt end (not label), afterbody 32 and connects the connecting portion 31 of butt end and afterbody 32.The butt end is positioned at the terminal containing slot 15 of docking section 131 and can electrically contacts with the corresponding terminal of butt connector (not shown), connecting portion 31 extends back base portion 10 rear surfaces 14 and extends towards the bending of installed surface 12 directions from the butt end, afterbody 32 is extended by the end of connecting portion 31 and passes the groove 171 of terminal base 17 and then extend the installed surface 12 of insulating body 1, electrically to engage with circuit board (not shown).
Shield member is stamped to form by metallic plate, and it comprises first shield shell 4 and secondary shielding housing 5.First shield shell 4 is assembled on the base portion 10 and docking section 131 of insulating body 1, it has a substrate 41 that covers insulating body 1 front surface 13, the frame 42 that extends forward from substrate 41 reaches the fixation spring tab 44 that extends back from substrate 41 upper ends, the insert-connecting plate 49 that extends back from substrate 41 lower ends reaches from outward extending two Extendible flakes 46 in substrate 41 lengthwise two ends, frame 42 exposes interface 132 on every side around the docking section 131 that is coated on insulating body 1, fixation spring tab 44 is positioned at depressed part 112 tops of base portion 10 upper surfaces 11, and it comprises that contiguous fixation spring tab 44 front ends are bent downwardly the pressure section 441 of setting; Extendible flake 46 covers base portion 10 two ends at insulating body 1, and it comprises projection 461 that is located at the middle part and the pin 462 that is located at the lower end.Be provided with coupling hole 16 corresponding perforates 43 with insulating body 1 in frame 42 both sides of substrate 41, a pair of first clamping part 45 of formation and second clamping part 47 extend back at the contiguous Extendible flake of substrate 41 upper and lower edge 46 places, these first clamping parts 45 are detained in the groove 111 of the base portion 10 that is held in insulating body 1, and second clamping part, 47 buttons are held in the corresponding breach 124 of installation portion 120.Respective slot 111, breach 124 by these first, second clamping parts 45,47 and base portion 10 are interlocked, thereby first shield shell 4 is fixed on the insulating body 1.Insert-connecting plate 49 is located between second clamping part 47, between second clamping part 47, also be provided with spacer 48, insert-connecting plate 49 comprises that the flat part 492 that is housed in the depressed part 123 reaches perpendicular to flat part 492 foots 491 of joining with circuit board that extend, and joining with circuit board by foot 491 constitutes grounded circuit.
See also Fig. 2 and Fig. 3, secondary shielding housing 5 is assembled in the rear portion of insulating body 1, and it comprises first board 51, second board 52, vertically extending the first side wall 53 reaches from vertically extending second sidewall 54 in second board, 52 both sides from first board, 51 both sides.The front end of first board 51 dashes downwards and is provided with some depressions 55, these depressions 55 form projection 550 on the lower surface of first board 51, these projectioies 550 are contained in the depressed part 112 of insulating body 1 base portion 10, and the fixation spring tab 44 of first shield shell 4 compresses by pressure section 441 and is fixed in the depression 55.First board 51 is provided with first opening 531 and second opening 532 reaches the clamping part 533 that extends from root edge, the projection 461 that is provided with on the Extendible flake 46 of first opening 531 and first shield shell 4 matches, compress fixing and first opening 531 and protruding 461 cooperating and the secondary shielding housing 5 and first shield shell 4 are closely overlapped by fixation spring tab 44 and depression 55, and then two housings is reached electrically conduct.The draw-in groove 19 that the base portion 10 of clamping part 533 and insulating body 1 is provided with holds mutually, is positioned on the insulating body 1 and secondary shielding housing 5 firmly held.Second sidewall 54 and the first side wall 53 Joints which is provided with the projection 541 that second opening 532 with the first side wall 53 is interlocked.The two side is closely affixed by second opening 532 with cooperating of projection 541.The root edge of second board 52 and the first side wall 53 is extended with pin 56 respectively downwards with matched with circuit board, constitutes grounding path simultaneously.
Plate lock construction element 2 is installed in the installation portion 120 of insulating body 1, and each plate lock construction element 2 comprises fixed part 22 in the slit 121 that is installed in installation portion 120, extend the holding part 21 that can cooperate with the corresponding hole (not shown) on the circuit board from fixed part 22 bottoms reaches from the vertically extending adjutage 23 of holding part 21 front ends.Adjutage 23 is held in second clamping part 47 of first shield shell 4 and electrically conducts with first shield shell 4.Can be on circuit board by fixed part 22 with the electric connector secure fixation with the corresponding matching of circuit board, when the corresponding hole (not shown) that provides plate lock construction element 2 to plant on the circuit board when being connected with grounded circuit, this plate lock construction element 2 also can provide grounding function.
The utility model electric connector is provided with first shield shell 4 and secondary shielding housing 5 that is assembled on the insulating body 1, the fixation spring tab 44 that is provided with by first shield shell 4 compresses the depression 55 that is fixed on 5 settings of secondary shielding housing, and two shield shells are closely connected, and then with insulating body 1 and conducting terminal 3 tight coatings within it, thereby effectively prevent of the interference of extraneous noise, improve the quality of telecommunication transmission electric connector.
Claims (10)
1. electric connector, it comprises insulating body, plurality of conductive terminals and shield member, insulating body has the base portion of a lengthwise configuration, the installed surface that this base portion has upper surface, be oppositely arranged with upper surface and with upper surface, the adjacent forward and backward surface of installed surface, front surface at base portion extends to form the docking section with interface forward, is provided with the plurality of terminals accepting groove in insulating body; Plurality of conductive terminals partly is housed in the corresponding terminal accepting groove of insulating body, the afterbody that it comprises the butt end that extends in the described docking section, extends back the connecting portion of base portion from the butt end and be positioned at the connecting portion end; Shield member comprises first shield shell that is assembled on the insulating body, and this first shield shell comprises substrate that covers base front surface and the frame that extends forward from substrate; It is characterized in that: first shield shell is from the fixation spring tab of substrate upper limb bending extending with pressure section; This electric connector also comprises the secondary shielding housing that is assembled in the insulating body rear portion, and it has first board that is positioned at the top, is provided with depression on first board, and described fixation spring tab compresses in the described depression that is fixed on first board.
2. electric connector as claimed in claim 1, it is characterized in that: the base portion upper surface of described insulating body is concaved with depressed part, the secondary shielding housing be recessed to form upper surface at first board, and the corresponding described recess of the lower surface of first board is formed with projection, and these projectioies are contained in the described depressed part.
3. electric connector as claimed in claim 2 is characterized in that: described first shield shell also comprises from substrate two lateral bucklings and extends the Extendible flake cover at insulating body base portion two ends.
4. electric connector as claimed in claim 3, it is characterized in that: the contiguous Extendible flake of the upper and lower edge of the base portion of described first shield shell place is provided with first and second clamping part respectively, and the both sides of the base portion upper surface of insulating body are provided with groove that fastens with described first clamping part and the breach that fastens with second clamping part.
5. electric connector as claimed in claim 2 is characterized in that: described secondary shielding housing also comprises the first side wall that extends from first board, two lateral bucklings.
6. electric connector as claimed in claim 5 is characterized in that: second sidewall that described secondary shielding housing also comprises second board, extended and overlapped mutually with the first side wall by second board, two lateral bucklings.
7. electric connector as claimed in claim 6 is characterized in that: the Extendible flake of described first shield shell is provided with projection, and the first side wall of secondary shielding housing is provided with first opening that cooperates with described projection.
8. electric connector as claimed in claim 7 is characterized in that: described the first side wall is provided with second opening, and second sidewall is provided with the projection that cooperates with described second opening.
9. electric connector as claimed in claim 6 is characterized in that: second board of described secondary shielding housing and the root edge of the first side wall are extended with the pin of pegging graft with circuit board respectively.
10. electric connector as claimed in claim 5 is characterized in that: the base portion of described insulating body is provided with installation portion, and installation portion is provided with a pair of draw-in groove, and the first side wall root edge bending of shield shell is provided with the clamping part that holds with described draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032773056U CN2651987Y (en) | 2003-07-31 | 2003-07-31 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032773056U CN2651987Y (en) | 2003-07-31 | 2003-07-31 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651987Y true CN2651987Y (en) | 2004-10-27 |
Family
ID=34331778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032773056U Expired - Fee Related CN2651987Y (en) | 2003-07-31 | 2003-07-31 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651987Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313108A (en) * | 2017-02-23 | 2019-10-08 | 日本航空电子工业株式会社 | Connector for mounting substrate |
-
2003
- 2003-07-31 CN CNU032773056U patent/CN2651987Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313108A (en) * | 2017-02-23 | 2019-10-08 | 日本航空电子工业株式会社 | Connector for mounting substrate |
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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: 20041027 Termination date: 20120731 |