CN2651985Y - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN2651985Y CN2651985Y CN 03261960 CN03261960U CN2651985Y CN 2651985 Y CN2651985 Y CN 2651985Y CN 03261960 CN03261960 CN 03261960 CN 03261960 U CN03261960 U CN 03261960U CN 2651985 Y CN2651985 Y CN 2651985Y
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- shielding casing
- electric connector
- insulating body
- abutting part
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Abstract
The utility model discloses an electric coupler, which comprises an insulating main body, an internal and an external shielding shell, a plurality of conducting terminals and grounding structures. The insulating coupler wherein comprises a supporting pedestal arranged at the lower part of the insulating main body, a butt pedestal arranged at the upper part of the supporting pedestal, and a conduit is respectively formed at both sides of the butt pedestal bottom. The internal shielding shell is fixed in the butt pedestal. Contact parts extended backwards from both sides of the internal shielding shell are accommodated in the conduit of the insulating main body. In addition, the external shielding shell wraps an external circle of the butt pedestal at least and positions the internal shielding shell circumferentially. The conducting terminals are arranged through the butt pedestal. The grounding structure comprises a tail that can connect with a ground circuit on the circuit board, a contact part accommodated in the conduit of the insulating main body and a connecting part between the tail and the contact part. The contact part is connected with the contact part of the internal shielding shell, thus rendering the internal shielding shell with optimal grounding performance.
Description
[technical field]
The utility model is relevant a kind of electric connector, refer in particular to one be applied to high speed data transfer and have an inside and outside shielding casing increase the type socket connector.
[background technology]
Alleged IEEE 1394 connectors of industry are meant and meet by Institute of Electrical and Electronics Engineers IEEE (Instituteof Electrical and Electronics Engineers; IEEE) electric connector of the high-speed serial bus specification of Zhi Dinging, can be used as the interface of mass-memory units such as hard disk driver, CD-ROM drive, also can be applied to connect computer interface equipment such as printer, scanner, and consumer electronics products such as digital television, set-top box and video camera.After this, successively occurred meeting the electric connector of IEEE 1394-1995 and two kinds of specifications of IEEE 1394a again, its transmission speed and performance improve.High speed, long IEEE 1394b specification have been released recently again apart from version, this specification is to the significant improvement of IEEE 1394 basic specifications, and complete compatible previous I EEE 1394-1995 and IEEE 1394a specification, transmission speed can be promoted to 800Mbps, and supports to reach the long Distance Transmission of UTP-5 (unshielded twisted pair), plastic fiber and the glass optical fiber of 100 meters and the minimum 100Mbps of remaining on of data transmission bauds.Borrow the significant advantage of high speed and long Distance Transmission, IEEE 1394 has the trend that becomes the conformability of PC product, communication system and home network interface.Concerning such as the electric connector of these high speed transmission datas that meet IEEE 1394b specification, it is particularly important that anti-electromagnetic interference capability seems.Therefore above-mentioned electric connector generally is provided with inside and outside two-layer shielding casing and is used for preventing electromagnetic interference that shielding casing ground connection can in time discharge electric charge, thereby strengthens anti-electromagnetic interference capability.It is more or less freely on the shielding casing earthing component to be set outside, and shielding casing bottom one is extended ground strip and can be connected with the earthed circuit of circuit board outside.And interior shielding casing is embedded in the insulating body because of being arranged on electric connector central authorities and part, corresponding earthing component is set thereon makes interior shielding casing reach the function of ground connection, has certain difficulty.See also United States Patent (USP) the 6th, 280, the 209 and the 6th, 315, No. 608, ground strip of shielding casing extends from interior shielding casing one in it.But under special application scenarios, electric connector need be designed to increase the type structure, and it is big that the design difficulty of the grounding construction of interior shielding casing becomes, and the ground structure of the interior shielding casing that is disclosed in the above-mentioned patent can't be simply suitable.
United States Patent (USP) the 6th, 447, disclosed the another kind of earthing mode of interior shielding casing for No. 331, the earthing component of the grounding path of shielding casing was the independent member that is separated with interior shielding casing in it formed, this earthing component top is provided with a breach, this breach upper edge dashes and is provided with a flexure strip, and rear end, interior shielding casing two side also respectively is provided with a breach, the breach of earthing component is inserted in the lower edge of the breach of shielding casing in being somebody's turn to do, and the above part of the breach of earthing component is contained in the breach of interior shielding casing, in earthing component is assembled on the shielding casing time, flexure strip downwards with the lower edge butt of interior shielding casing breach, the earthing component lower end is connected with the grounded circuit of printed circuit board (PCB), thereby shielding casing is reached grounding function in making.If with the earthing component proper extension of this kind earthing mode, can become a kind of selectivity scheme of the earthing mode of the interior shielding casing that increases the type electric connector.But, because the flexure strip of above-mentioned earthing component compresses interior shielding casing downwards, earthing component can be subjected to reaction force upwards and backwards, and can produce the possibility of slippage upwards and backwards, make the contact reliability of earthing component and interior shielding casing not good, and then the ground connection effect of the interior shielding casing of influence.
So, be necessary the earthing mode that increases the type electric connector is improved, to overcome above-mentioned defective of the prior art.
[utility model content]
Main purpose of the present utility model is to provide a kind of type electric connector that increases, and ground connection performance of shielding casing is good in it.
Another purpose of the present utility model is to provide a kind of electric connector with interior shielding casing, and its earthing component is simple in structure, assembling is easy and reliable with contacting of interior shielding casing.
For reaching above-mentioned utility model purpose, the utility model adopts following technical scheme: a kind of electric connector comprises insulating body, inside and outside shielding casing, plurality of conductive terminals and earthing component.Wherein insulating body comprise the supporting seat that is positioned at its underpart, be positioned at the supporting seat top to joint chair, in the joint chair both sides are formed with conduit respectively; Interior shielding casing is immobilizated in the joint chair, and it stretches out in the part to joint chair and is formed with first receiving space, extends back the abutting part that is positioned at both sides in interior shielding casing, and above-mentioned abutting part is contained in the above-mentioned conduit of insulating body; Outer shielding casing be coated at least insulating body to joint chair peripheral and around interior shielding casing in it, be formed with second receiving space between the above-mentioned inside and outside shielding casing, above-mentioned first, second receiving space can for the docking section of butt connector divide into groups into; Plurality of conductive terminals is passed joint chair and is extended into first receiving space; Earthing component comprise can and circuit board on the afterbody that electrically connects of grounded circuit, be contained in insulating body above-mentioned conduit in contact site and the connecting portion between afterbody and contact site, the abutting part of above-mentioned contact site and interior shielding casing connects.
Compared to prior art, the utility model electric connector has following beneficial effect: interior shielding casing connects and is conducted with grounding path by the contact site of its abutting part and its earthing component, applicable to insulating body is the electric connector that increases the type design, and interior shielding casing can be reached preferable ground connection effect; This earthing component is simple in structure simultaneously, and assembling is easy, and firmly contacts with the abutting part of interior shielding casing, and then reaches reliable electric connection.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of the utility model electric connector.
Fig. 2 is the three-dimensional combination figure of electric connector shown in Figure 1.
Fig. 3 is the main parallax stereogram of the insulating body of electric connector shown in Figure 2.
Fig. 4 is the rear perspective view of insulating body shown in Figure 3.
Fig. 5 is the three-dimensional combination figure of connector terminals module shown in Figure 4.
Fig. 6 is the outer shielding casing of electric connector shown in Figure 1 and the back shielding casing front perspective view on still unassembled.
Fig. 7 is the rear perspective view of electric connector shown in Figure 6.
Fig. 8 is the cutaway view of the utility model electric connector along the A-A direction of Fig. 2.
Fig. 9 is the stereogram of the interior shielding casing of the utility model electric connector.
Figure 10 is the stereogram of another execution mode of the interior shielding casing of the utility model electric connector.
[embodiment]
See also Fig. 1, shown in Figure 2, the utility model electric connector 1 is installed on the circuit board (not icon), can supply butt connector (not shown) matched, it comprises insulating body 12, be contained in terminal module 90, interior shielding casing 60 in the insulating body 12, be coated on insulating body 12 peripheries outer shielding casing 71, be covered in the back shielding casing 72 of insulating body 12 rear surfaces and with the earthing component 50 of interior shielding casing 60 ground connection.
See also shown in Figure 3, insulating body 12 include the block supporting seat 120 that is positioned at its underpart and be positioned at supporting seat 120 tops to joint chair 126, wherein joint chair 126 is comprised relative upper and lower wall 121,122 and connects the two side 123 of upper and lower wall 121,122.This supporting seat 120 is provided with to saving a pair of slug hole 1200 that raw material are provided with.Upper and lower wall 121,122 and two side 123 surround and are formed with a host cavity 124.Be formed with a swallow-tailed accepting groove 125 that is connected with host cavity 124 between the inner surface of each sidewall 123.The inner surface of the upper wall 121 of insulating body 12 is provided with the holding slot (not label) that is connected with host cavity 124.In joint chair 126 two bottom sides are concaved with a pair of conduit 127 respectively.Insulating body 12 also comprises the reference column 129 that extends downwards the bottom surface of self-supporting seat 120 and the two T shape fixture blocks 130 that protrude out respectively at the both side surface of insulating body 12 outwardly.This reference column 129 is in order to match with location hole (not shown) on the circuit board so that the effect of location electric connector 1 to be provided.See also shown in Figure 4 again, insulating body 12 is provided with a cavity 131 that is connected with host cavity 124 in the middle part of its rear surface, the rear wall 132 towards this cavity 131 of insulating body 12 is provided with the some holding hole 134 of accommodating passage 133 and being positioned at the centre position that are positioned at its both sides and communicate with host cavity 124.Also be provided with a pair of passage 136 of accommodating that lays respectively at cavity 131 both sides on the rear surface of insulating body 12.The bottom of self-supporting seat 120 extends back and is formed with an end difference 128, and this end difference 128 is provided with some and above-mentioned some passage 133 corresponding fins 1280 of accommodating.
See also shown in Figure 1, terminal module 90 includes the first terminal module 40 and is positioned at second terminal module 80 of the below of the first terminal module 40, and wherein the first terminal module 40 includes first docking section 14, edge buries the some the first terminals 20 of moulding (Insert Molding) in first docking section 14 and reaches the positioning seat 30 that combines with some the first terminals 20.Second terminal module 80 includes second docking section 16 and edge buries some second terminals 22 that take shape in second docking section 16.Please further consult Fig. 5, Fig. 7 and shown in Figure 8, first, second docking section 14,16 roughly is the mirror image symmetry and piles up setting, the location hole 144 that first docking section 14 of the first terminal module 40 comprises a pedestal 140, extend the hyoplastron that forms 141 from the upper end of pedestal 140 forward and be recessed to form from the outward extending roughly at right angles trapezoidal projection 142 in the bottom of the both lateral sides of pedestal 140, the reference column 143 that extends under a side direction of the bottom surface of pedestal 140 and the opposite side from the bottom surface of pedestal 140, wherein the bottom surface coplane of the bottom surface of pedestal 140 and projection 142.Similarly, second docking section 16 of second terminal module 80 comprises a pedestal 160, extend the hyoplastron 161 that forms forward from the lower end of pedestal 160, the outward extending roughly at right angles trapezoidal and corresponding projection 162 from the top of the both lateral sides of pedestal 160 with above-mentioned projection 142, reference column 163 that on end face one side direction of pedestal 160, extends and match and the location hole 164 that is recessed to form and matches from the end face opposite side of pedestal 160 with above-mentioned reference column 143 with above-mentioned location hole 144, the end face coplane of the end face of pedestal 160 and projection 162 wherein, the convex fool proof raised line 165 that is provided with of the inner surface of second docking section 16.Positioning seat 30 is contained in the cavity 131 of insulating body 12, and the front surface of this positioning seat 30 is provided with a pair ofly accommodates some fins 33 that passage 133 matches in order to the reference column that matches with the holding hole 134 of insulating body 12 32 and with insulating body 12 some.Positioning seat 30 also comprises the end difference 34 that matches with the end difference 128 of insulating body 12, and this end difference 34 is provided with some grooves 35 corresponding with above-mentioned some fin 33 and that match with the fin 1280 of the end difference 128 of insulating body 12.The contact site 25 that each first, second terminal 20,22 includes connecting portion 21, extend forward from an end of connecting portion 21, the end difference 23 that extends from the other end bending of connecting portion 21 and from the bottom of end difference 23 afterbody 24 of horizontal-extending in order to electrically connect with circuit board backward.The part and the end difference 23 of the connecting portion 21 of the first terminal 20 are shaped in the positioning seat 30.The rear portion of the contact site 25 of some first, second terminals 20,22 edge buries in the pedestal 140,160 that takes shape in first, second docking section 14,16, and is anterior then be embedded on the inner surface of hyoplastron 141,161.
See also Fig. 5 and shown in Figure 7, the first terminal module 40 is assembled in second terminal module 80, wherein first docking section 14 of the first terminal module 40 engages with second docking section 16 of second terminal module 80 and forms docking section 15, the location hole 144,164 of first, second docking section 14,16 matches with corresponding reference column 163,143, the corresponding projection 142,162 of pedestal 140,160 engages, and forms dovetail shaped projection 152.
See also Fig. 1, shown in Figure 9, interior shielding casing 60 forms by the sheet metal punching out with outer shielding casing 71.Wherein interior shielding casing 60 comprises upper wall 610, lower wall 611 and connects the two side 612 of upper and lower wall 610,611 that interior shielding casing 60 also comprises holding parts 62 that extends back from its upper wall 610 and the abutting part 63 that backward, outwards bends extension from lower wall 611.The both side edges of holding parts 62 is provided with in order to interfere the some hangnails 620 in the holding slot (not label) in insulating body 12.Abutting part 63 dashes downwards respectively and is provided with projection 631, and this abutting part 63 is contained in the conduit 127 of insulating body 12.Prominent point or elastic piece structure that this projection 631 can punching out forms.
See also shown in Figure 1ly, outer shielding casing 71 is coated on insulating body 12 peripheries and extends the frame mouth shape that is square forward, and this outer shielding casing 71 includes the two side 710 of vertical setting and is horizontally disposed with and connects the upper wall 711 and the lower wall 712 of two side 710.Wherein each sidewall 710 extends to form downwards in order to be immobilizated in the fixing feet 713 on the circuit board, simultaneously this fixing feet 713 also can be further with circuit board on grounded circuit be electrical connected.This sidewall 710 also be provided with some hold mouthfuls 714 and be positioned at its trailing edge and with the T shape fixture block 130 corresponding sheared edges 715 of insulating body 12.This upper wall 711 is provided with some mouths 717 that hold.
The upper limb punching press of back shielding casing 72 is formed with some bendings and holds mouthful 717 corresponding retaining sheets 720 with outer shielding casing 71 some, the both side edges of back shielding casing 72 all convexes with the some mouthful 714 corresponding some shell fragments 721 that hold with outer shielding casing 71 forward, and all punching press is formed with and holds mouthful 714 projections 722 that interlock and hold on each shell fragment 721.
The shape of earthing component 50 and some first, second terminals 20,22 are similar, it comprise connecting portion 51, from an end of connecting portion 51 extend forward in order to the conduit 127 that is contained in insulating body 12 in the contact site 52, the end difference 53 that extends from the other end bending of connecting portion 51 that connect with abutting part 63 with interior shielding casing 60 and from the bottom of end difference 53 afterbody 54 that electrically connects in order to grounded circuit of horizontal-extending backward with printed circuit board (PCB).
See also Fig. 2 and shown in Figure 7, in assembling process, at first terminal module 90 is gone into insulating body 12 from the rear group, wherein docking section 15 is contained in the host cavity 124 of insulating body 12, and the dovetail shaped projection 152 of docking section 15 is contained in the dovetail shaped accepting groove 125 of insulating body 12.Certainly, the position of the dovetail shaped projection 152 of the docking section 15 in the present embodiment also can with the location swap of the dovetail shaped accepting groove 125 of the sidewall 123 of insulating body 12, equally also can play the effect in the host cavity 124 that docking section 15 with terminal module 90 is immobilizated in insulating body 12.Other fixing mode can certainly be arranged, as being set, some salient points interfere fixing with the inner surface of the sidewall 123 of insulating body 12 on docking section 15, also can play fixing effect, in addition can on docking section 15, salient point be set and directly by docking section 15 with the upper and lower wall 121,122 of joint chair 126 and the closely cooperating of inner surface of sidewall 123 are realized the effect of fixing.Positioning seat 30 is in plurality of terminals 20,22 is contained in insulating body 12 cavitys 131 simultaneously, the fin 33 of positioning seat 30 supports the connecting portion 21 of some second terminals 22 and is contained in accommodating in the passage 133 on the rear wall 132 of insulating body 12 jointly, the fin 1280 of the end difference 128 of insulating body 12 supports the end difference 23 of second terminal 22 and is contained in the groove 35 of end difference 34 of positioning seat 30, so, positioning seat 30 is immobilizated in insulating body 12 rear portions.Then, interior shielding casing 60 is gone into insulating body 12 from the place ahead group, interior shielding casing 60 is coated on 15 peripheries, docking section, and the holding parts 62 of interior shielding casing 60 holds in the corresponding holding slot of insulating body 12, and the abutting part 63 of interior shielding casing 60 extends in the conduit 127 of insulating body 12.Then, earthing component 50 is gone in the insulating body 12 from the rear group, the contact site 52 of earthing component 50 is contained in the conduit 127 of insulating body 12, the thickness of this conduit 127 be substantially equal to the thickness of abutting part 63 and earthing component 50 contact site 52 thickness and.The contact site 52 of earthing component 50 electrically connects with the reliable mutually butt of the projection 631 on the abutting part 63.The connecting portion 51 of earthing component 50 and end difference 53 be against being contained in the accommodating in the passage 136 of insulating body 12, thereby earthing component 50 is immobilizated in the insulating body 12.Outer shielding casing 71 is assembled on the insulating body 12 from the place ahead, will back shielding casing 72 at last by after be assembled to forward on the insulating body 12, and fix mutually with outer shielding casing 71.
See also Figure 10, it is another embodiment of interior shielding casing of the present utility model, interior shielding casing 60 ' a pair of abutting part 63 ' by interior shielding casing 60 ' two side extend back after again bending downwards extend and form, in the conduit 127 of this two abutting part 63 ' also be contained in insulating body 12 connecting with the contact site 52 that inserts the earthing component 50 in this conduit 127, thereby reach reliable electric connection.Abutting part 63 ' also dash downwards be provided with strengthen with the projection that contacts effect 631 of earthing component 50 '.
Certainly, when the abutting part 63 of interior shielding casing 60 connected with the contact site 52 of earthing component 50, abutting part 63 also can be positioned at contact site 52 belows, and 631 correspondences of projection upwards rush.
Claims (10)
1. electric connector, it comprises insulating body, interior shielding casing, outer shielding casing and plurality of conductive terminals, insulating body is provided with joint chair; Interior shielding casing is immobilizated in the joint chair, and it stretches out in the part to joint chair and is formed with first receiving space; Outer shielding casing be coated at least insulating body to joint chair peripheral and around interior shielding casing in it, be formed with second receiving space between the above-mentioned inside and outside shielding casing; Plurality of conductive terminals is passed joint chair and extended in first receiving space, it is characterized in that: insulating body also comprises the supporting seat that is positioned at the joint chair below, and in it joint chair both sides is formed with conduit respectively; Interior shielding casing extends back the abutting part that is positioned at both sides, and above-mentioned abutting part is contained in the above-mentioned conduit of insulating body; This electric connector also comprises earthing component, this earthing component comprise can and circuit board on the afterbody that electrically connects of grounded circuit, be contained in insulating body above-mentioned conduit in contact site and the connecting portion between afterbody and contact site, the abutting part of above-mentioned contact site and interior shielding casing connects.
2. electric connector as claimed in claim 1 is characterized in that: interior shielding casing comprises upper wall, lower wall and connects the two side of upper and lower wall.
3. electric connector as claimed in claim 2 is characterized in that: above-mentioned abutting part extends from lower wall lateral buckling backward and outside two and forms.
4. electric connector as claimed in claim 2 is characterized in that: above-mentioned abutting part bends downwards to extend again after the two side stretches out and forms.
5. as claim 1,3 or 4 described electric connectors, it is characterized in that: above-mentioned abutting part dashes and is provided with projection.
6. electric connector as claimed in claim 5 is characterized in that: the projection of above-mentioned abutting part is a bump structure.
7. electric connector as claimed in claim 5 is characterized in that: the projection of above-mentioned abutting part is an elastic piece structure.
8. electric connector as claimed in claim 1, it is characterized in that: joint chair is comprised relative upper and lower wall and connects the two side of upper and lower wall, this upper and lower wall and two side surround and form a host cavity, and above-mentioned conduit is positioned to the joint chair two bottom sides and with above-mentioned host cavity and is connected.
9. electric connector as claimed in claim 8 is characterized in that: be respectively equipped with a pair of passage of accommodating on the both sides, rear portion of insulating body, the connecting portion of above-mentioned earthing component is contained in correspondence respectively and accommodates in the passage.
10. electric connector as claimed in claim 8, it is characterized in that: above-mentioned plurality of conductive terminals comprises some the first terminals and some second terminals, above-mentioned electric connector comprises and mutually combines and be immobilizated in the first terminal module and second terminal module in the above-mentioned host cavity that first, second terminal module includes first, second docking section and the edge that extend in first receiving space respectively and buries above-mentioned first, second terminal that takes shape in first, second docking section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03261960 CN2651985Y (en) | 2003-05-17 | 2003-05-17 | Electric connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03261960 CN2651985Y (en) | 2003-05-17 | 2003-05-17 | Electric connector |
Publications (1)
Publication Number | Publication Date |
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CN2651985Y true CN2651985Y (en) | 2004-10-27 |
Family
ID=34329320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 03261960 Expired - Fee Related CN2651985Y (en) | 2003-05-17 | 2003-05-17 | Electric connector |
Country Status (1)
Country | Link |
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CN (1) | CN2651985Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101557059B (en) * | 2008-04-09 | 2012-10-31 | 富士康(昆山)电脑接插件有限公司 | Electric connector and fabricating method thereof |
CN102035094B (en) * | 2009-09-29 | 2013-11-13 | 富士康(昆山)电脑接插件有限公司 | Electric connector and manufacturing method thereof |
-
2003
- 2003-05-17 CN CN 03261960 patent/CN2651985Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101557059B (en) * | 2008-04-09 | 2012-10-31 | 富士康(昆山)电脑接插件有限公司 | Electric connector and fabricating method thereof |
CN102035094B (en) * | 2009-09-29 | 2013-11-13 | 富士康(昆山)电脑接插件有限公司 | Electric connector and manufacturing method thereof |
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Legal Events
Date | Code | Title | Description |
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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: 20120517 |