CN205452701U - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN205452701U
CN205452701U CN201620001105.3U CN201620001105U CN205452701U CN 205452701 U CN205452701 U CN 205452701U CN 201620001105 U CN201620001105 U CN 201620001105U CN 205452701 U CN205452701 U CN 205452701U
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China
Prior art keywords
grounding parts
insulating body
electric connector
junction
main part
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CN201620001105.3U
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Chinese (zh)
Inventor
彭建民
陈志林
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Lotes Guangzhou Co Ltd
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Lotes Guangzhou Co Ltd
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Priority to CN201620001105.3U priority Critical patent/CN205452701U/en
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Abstract

The utility model discloses an electric connector, which comprises an insulation body. A plurality of signal terminal and an at least ground terminal, accommodate in insulator, ground terminal is including being fixed in insulator's a fixed part reaches certainly the contact site that the fixed part extends forward, the contact site front end has a junction, a shell, the frame is located outside the insulator, an at least metalwork is located insulator with between the shell, the metalwork has a main part and reaches certainly the main part front end to the changeover portion that the junction is buckled, a changeover portion ranging back ground connection portion, the main part is fixed in insulator, ground connection portion with the junction contact. Ground terminal with the metalwork contact, thereby ground terminal welding is bad or take place when not hard up, can by metalwork ground connection is guaranteed electric connector's high frequency transmission performance.

Description

Electric connector
Technical field
This utility model relates to a kind of electric connector, refers in particular to a kind of electric connector with good high-frequency transmission performance.
Background technology
Development along with electronic technology, the signal of electric connector transmission increasingly trends towards high-frequency high-speed, therefore has higher requirement the shielding construction of electric connector, it is desirable to shielding construction has more preferably, more stable earthing effect, to meet society's demand to electric connector high-frequency transmission performance now.
Existing a kind of electric connector with shielding construction, including an insulating body, described insulating body is provided with multiple signal terminal and at least one ground terminal, described ground terminal has a fixed part and the weld part extended back from described fixed part, described fixed part is fixed on described insulating body, described weld part is soldered on a circuit board with ground connection, described insulating body side is provided with a metalwork, one casing is located on described insulating body, described metalwork contacts with ground connection with described shell, described metalwork disturbs in order to the signal shielding outer bound pair signal terminal, thus form shielding construction.
But, owing to described weld part is only welded onto on described circuit board with ground connection, if described weld part failure welding or loosening, all can affect the signal transmission of described signal terminal, thus affect described electric connector high-frequency transmission performance.
Therefore, it is necessary to design the electric connector of a kind of improvement, to overcome the problems referred to above.
Summary of the invention
For background technology problem encountered, the purpose of this utility model is to provide a kind of by making ground terminal and metal pieces into contact, thus improves the electric connector of high-frequency transmission performance.
A kind of electric connector, including: an insulating body;Multiple signal terminals and at least one ground terminal, be contained in described insulating body, and described ground terminal includes the fixed part being fixed on described insulating body and the contact site extended forward from described fixed part, and described contact site front end has a junction;One shell, frame is located at outside described insulating body;At least one metalwork, between described insulating body and described shell, described metalwork has a main part and the changeover portion bent from described main part front end to described junction, described changeover portion extends back a grounding parts, described main part is fixed on described insulating body, and described grounding parts contacts with described junction.
Further, described insulating body is arranged with a docking chamber, and described docking chamber has at least one slot to make way, and described slot to make way runs through described insulating body, and described junction is positioned at described slot to make way.
Further, described grounding parts is positioned at outside described slot to make way, and described junction protrudes described slot to make way and contacts with described grounding parts.
Further, described grounding parts protrudes into described slot to make way and contacts with described junction.
Further, described grounding parts and described junction Elastic Contact.
Further, described grounding parts is parallel to described main part.
Further, one first space it is correspondingly formed between described grounding parts and described main part;
Further, the corresponding described grounding parts of described main part is provided with a protuberance, is correspondingly formed a second space between described protuberance and described grounding parts, and described second space is more than described first space.
Further, described main part has extended laterally at least one abutting part, and described abutting part laterally abuts described insulating body, forms a gap between described grounding parts and described insulating body.
Further, described ground terminal is two with the quantity of described metalwork, and two described ground terminals are symmetrically set in described insulating body both sides, and two described metalworks are individually fixed in the upper and lower surface of described insulating body.
Compared with prior art, this utility model has the advantages that
Described ground terminal front end is provided with described junction, described metalwork is provided with described grounding parts, described grounding parts contacts with described junction, thus ensure described ground terminal and described metalwork quiet earth, even if described metalwork and described shell not in contact with, it is also possible to by described ground terminal adequately grounded, even if or described ground terminal failure welding or occur loosen also can be by described metalwork ground connection, thus do not interfere with the signal transmission of terminal, it is ensured that the high-frequency transmission performance of electric connector;Simultaneously, owing to the described main part of described metalwork bends a changeover portion to described junction, described changeover portion extends back described grounding parts, make between described main part and described grounding parts, to be correspondingly formed described first space, described first space provides described electric connector certain springing space, preventing when described electric connector docks, described grounding parts extrudes described junction and makes its excessive deformation.
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view of this utility model electric connector and butt connector;
Fig. 2 is the three-dimensional exploded view of this utility model electric connector;
Fig. 3 is the schematic perspective view that the metalwork of this utility model electric connector is assembled to insulating body;
Fig. 4 is the floor map that the metalwork of this utility model electric connector is assembled to insulating body;
Fig. 5 is the first embodiment partial sectional view of this utility model electric connector;
Fig. 6 is this utility model electric connector partial sectional view when docking with butt connector;
Fig. 7 is the partial sectional view of this utility model electric connector the second embodiment;
Fig. 8 is the partial sectional view of this utility model electric connector the 3rd embodiment.
The drawing reference numeral explanation of detailed description of the invention:
Electric connector 100 Circuit board 200 Butt connector 300 Insulating body 1
Terminal 2 The first terminal group 20 Second terminal group 20 ' Shielding sheet 3
Metalwork 4 First ground terminal 21 First signal terminal 22 Second ground terminal 21 '
Secondary signal terminal 22 ' Fixed part 211,211 ' Contact site 212,212 ' Weld part 213,213 '
Fixing end 221,221 ' Contact jaw 222,222 ' Welding ends 223,223 ' Collets 6
Docking section 10 Docking chamber 11 Board body part 31 Those widened sections 32
Pin 321 First wall 12 Second wall 13 Groove 14
Slot to make way 111 Groove 112 Junction 214,214 ' Guiding access 224,224 '
Baffle plate 1121 Main part 41 Shell fragment 42 Changeover portion 411
Grounding parts 412 First space 413 Protuberance 414 Second space 415
Abutting part 43 Gap 431 Opening 44 Insulating part 45
Shell 5
[detailed description of the invention]
For ease of being better understood from the purpose of this utility model, structure, feature and effect etc., in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, this utility model electric connector 100, it is connected to a circuit board 200, in order to dock a butt connector 300;Described electric connector 100 includes an insulating body 1;Multiple terminals 2, are divided into the first terminal group 20 and the second terminal group 20 ', are immobilizated in described insulating body 1;One shielding sheet 3, is fixedly arranged between described the first terminal group 20 and described second terminal group 20 ';Two metalworks 4 are individually fixed in upper surface (non-label) and the lower surface (non-label) of described insulating body 1;And one shell 5 frame be located at outside described insulating body 1.
As shown in figures 2 and 5, described the first terminal group 20 includes that two the first ground terminals 21 and multiple first signal terminal 22, two described first ground terminals 21 are positioned at described the first terminal group 20 both sides;The described second corresponding described the first terminal group 20 of terminal group 20 ' includes that two the second ground terminals 21 ' and multiple secondary signal terminal 22 ', two described second ground terminals 21 ' are positioned at described second terminal group 20 ' both sides;Described first ground terminal 21 and described second ground terminal 21 ' all include the fixed part 211,211 ' being positioned at centre, the contact site 212,212 ' extended forward from described fixed part 211,211 ' and the weld part 213,213 ' extended back from described fixed part 211,211 ';Correspondingly, described first signal terminal 22 and described secondary signal terminal 22 ' all include the fixing end 221,221 ' being positioned at centre, the contact jaw 222,222 ' extended forward from described fixing end 221,221 ' and the welding ends 223,223 ' extended back from described fixing end 221,221 ';One collets 6, take shape in outside described fixed part 211 and the fixing end 221 of described the first terminal group 20.In other embodiments, the quantity of above-mentioned ground terminal 21,21 ' can be one, it is positioned at described the first terminal group 20 or the optional position of the second terminal group 20 ', or, the quantity of above-mentioned ground terminal 21,21 ' is two, relatively it is located in described the first terminal group 20 and described second terminal group 20 ', is not limited thereto.
Such as Fig. 2, shown in Fig. 3 and Fig. 5, described insulating body 1 front end is provided with a docking part 10, described docking section 10 is concaved with a docking chamber 11, multiple terminal groove (not shown) it is provided with in described docking chamber 11, described terminal groove front end connects with described docking chamber 11, described fixed part 211, 211 ' and described fixing end 221, 221 ' fixing are contained in described terminal groove, described contact site 212, 212 ' and described contact jaw 222, 222 ' are revealed in described docking chamber 11, described weld part 213, 213 ' and described welding ends 223, 223 ' protrude described insulating body 1 and are connected to described circuit board 200.
As shown in Figure 2 and Figure 3, described shielding sheet 3 includes a board body part 31, described board body part 31 is fixedly arranged in described insulating body 1, shield the electromagnetic interference between described the first terminal group 20 and the second terminal group 20 ', described board body part 31 both sides are respectively provided with a those widened sections 32, described those widened sections 32 is protruded described insulating body 1 and contacts with described shell 5, and each described those widened sections 32 has extended back a pin 321, and described pin 321 is connected ground connection with described circuit board 200.
As shown in Fig. 2, Fig. 3 and Fig. 5, described docking section 10 has the first wall 12 and the second wall 13 being oppositely arranged, described first wall 12 front end has a groove 14, and corresponding two described first ground terminals 21 in described docking chamber 11 are provided with two slots to make way 111, corresponding multiple described first signal terminals 22 are provided with multiple groove 112;Described slot to make way 111 connects described groove 14 and described docking chamber 11, and described groove 112 connects described groove 14 and described docking chamber 11;The front end of the described contact site 212 of each described first ground terminal 21 has a junction 214, described junction 214 is positioned at described slot to make way 111, described contact jaw 222 front end of each described first signal terminal 22 has a guiding access 224, described guiding access 224 is positioned at described groove 112, described slot to make way 111 and the described groove 112 described junction 214 of corresponding offer and the space of described guiding access about 224 springing;There is between described groove 112 baffle plate 1121 increased, prevent mutual short circuit between multiple described first signal terminal 22.
The structure of described second wall 13 is similar with the structure of described first wall 12, there is a described groove 14, corresponding two described second ground terminals 21 ' in described docking chamber 11 are provided with two described slots to make way 111, corresponding multiple described secondary signal terminals 22 ' are provided with multiple described groove 112, have described baffle plate 1121 between described groove 112.In like manner, each described second ground terminal 21 ' is respectively provided with a junction 214 ', and each secondary signal terminal 22 ' is respectively provided with a guiding access 224 '.In other embodiments, the quantity of above-mentioned groove 14, slot to make way 111, groove 112 and baffle plate 1121 can be all one, is positioned at described first wall 12 or the second wall 13, is not limited thereto.
Shown in as shown in Figure 2, Figure 3 and Figure 4, two described metalworks 4 are respectively arranged in two described grooves 14, and each described metalwork 4 is respectively provided with a main part 41, is fixed on described groove 14;Described main part 41 front end extends forward and inflection forms multiple shell fragment 42 backward, described shell fragment 42 is revealed in described docking chamber 11, when described butt connector 300 inserts described docking chamber 11, described shell fragment 42 contacts with the described corresponding ground structure (not shown) of butt connector 300 and is grounded.
Fig. 2-6 show first embodiment of the present utility model, as most preferred embodiment, for convenience of description, as a example by described metalwork 4 on described first wall 12 and any one of first ground terminal 21 of correspondence, the structure of the second ground terminal 21 ' of another metalwork 4 and correspondence is identical, repeats no more.
As shown in figures 2 and 5, the lateral described junction 214,214 ' of described main part 41 liang is bent to form two changeover portions 411, each described changeover portion 411 all extends back a grounding parts 412, described grounding parts 412 is positioned at outside described docking chamber 11 and blocks the notch (non-label) of described slot to make way 111, and the described junction 214 being positioned at described slot to make way 111 contacts with described grounding parts 412.In other embodiments, described junction 214 also can protrude described slot to make way 111 and contacts with described grounding parts 412.For making described earthing member 4 stably be fixedly arranged on described insulating body 1, described grounding parts 412 is parallel to described main part 41.
nullSuch as Fig. 2、Shown in Fig. 5 and Fig. 6,One first space 413 it is correspondingly formed between described main part 41 and described grounding parts 412,The corresponding described grounding parts 412 of described main part 41 is provided with a protuberance 414,Described protuberance 414 abuts described shell 5 and is grounded,And it is correspondingly formed a second space 415 between described protuberance 414 and described grounding parts 412,Described second space 415 is more than described first space 413,When described butt connector 300 inserts described electric connector 100,Described junction 214 is to the described outer springing of slot to make way 111,Oppress described grounding parts 412 further,Described second space 415 provides the described more springing space of grounding parts 412,Be conducive to protecting described junction 214,Prevent described junction 214 excessive deformation under the extruding of described docking butt connector 300 and described grounding parts 412.
As shown in Fig. 2, Fig. 4 and Fig. 5, described main part 41 both sides have all extended laterally two abutting parts 43, in other embodiments, it is also possible to be that described main part 41 side extends laterally an abutting part 43, be not limited thereto;Described abutting part 43 laterally abuts described insulating body 1, makes to be formed between described grounding parts 412 and described insulating body 1 gap 431, prevents from rubbing with described insulating body 1 during described grounding parts 412 springing, causes described junction 214 to deform.
In other embodiments, the quantity of above-mentioned metalwork 4 can be one, has 411, above-mentioned grounding parts 412 of an above-mentioned changeover portion, is not limited with secondary.
It is an opening 44 between two described protuberances 414 of described metalwork 4, multiple described grooves 112 are revealed in described opening 44, one insulating part 45 is located on described opening 44 and is located between described insulating body 1 and described shell 5, prevents described guiding access 224 from contacting with described shell 5 and causes short circuit.
As shown in Figure 7, for the second embodiment of the present utility model, in the present embodiment, junction 214,214 ' is positioned at described slot to make way 111, described grounding parts 412 blocks described slot to make way 111 notch, when described electric connector 100 does not docks with described butt connector 300, described junction 214,214 ' does not contacts with described grounding parts 412, when described butt connector 300 inserts described docking chamber 11, described contact site 212,212 ' is squeezed, and described junction 214,214 ' contacts away from described docking chamber 11 and with described grounding parts 412.So, Elastic Contact by described junction 214,214 ' with described grounding parts 412, both can be grounded when described electric connector 100 docks, because the excessive and irreclaimable situation of deformation extent when described junction 214,214 ' also can be avoided to contact with described grounding parts 412, lengthen the service life of described electric connector 100.
As shown in Figure 8, for the 3rd embodiment of the present utility model, in the present embodiment, described changeover portion 411 extends described grounding parts 412 to the bending of described slot to make way 111, and described grounding parts 412 is positioned at described slot to make way 111 and contacts with described junction 214,214 '.So, it is ensured that the reliability that described junction 214,214 ' contacts with described grounding parts 412, prevent described junction 214,214 ' because producing the situation that error does not contacts with described grounding parts 412.
In sum, this utility model electric connector 100 has a following beneficial effect:
(1) described first ground terminal 21, second ground terminal 21 ' front end is provided with described junction 214, 214 ', described metalwork 4 is provided with described grounding parts 412, described grounding parts 412 contacts described junction 214, 214 ', thus ensure described ground terminal 21, 21 ' and described metalwork 4 quiet earth, even if described metalwork 4 and described shell 5 not in contact with, described ground terminal 21 can also be passed through, 21 ' adequately grounded, even if or described ground terminal 21, 21 ' failure weldings or generation loosen also can be by described metalwork 4 ground connection, thus do not interfere with the signal transmission of terminal 2, ensure the high-frequency transmission performance of electric connector 100;Simultaneously, owing to described main part 41 is bent to form described changeover portion 411 to described junction 214,214 ', described changeover portion 411 extends back described grounding parts 412, described first space 413 it is correspondingly formed between described main part 41 and described grounding parts 412, described first space 413 provides the described certain springing space of electric connector 100, preventing described electric connector 100 when docking, described grounding parts 412 extrudes described junction 214,214 ' and makes its excessive deformation.
(2) described main part 41 front end bends multiple described shell fragment 42 after extending to forward, described shell fragment 42 is revealed in described docking chamber 11, when described butt connector 300 inserts described docking chamber 11, described shell fragment 42 contacts with the described corresponding ground structure of butt-jointed electric connector 300 and is grounded, guarantee that and described circuit board 200 overall at described electric connector 100 is connected generation and loosens, when can not be grounded, described butt connector 300 ground connection can be passed through, thus shield the interference of outer signals.
null(3) the corresponding described grounding parts 412 of described main part 41 is provided with described protuberance 414,Described protuberance 414 abuts described shell 5 and is grounded,And it is correspondingly formed described second space 415 between described protuberance 414 and described grounding parts 412,Described second space 415 is more than described first space 413,When described butt connector 300 inserts described electric connector 100,Described junction 214、214 ' to the described outer springing of slot to make way 111,Oppress described grounding parts 412 further,Described second space 415 provides the described more springing space of grounding parts 412,Be conducive to protecting described junction 214、214’,Prevent described junction 214、214 ' deform under the extruding of described butt connector 300 and described grounding parts 412.
(4) described main part 41 both sides have all extended laterally two described abutting parts 43, described abutting part 43 laterally abuts described insulating body 1, make to be formed between described grounding parts 412 and described insulating body 1 described gap 431, prevent from rubbing with described insulating body 1 during described grounding parts 412 springing, cause described junction 214,214 ' to deform under the extruding of described butt connector 300 and described grounding parts 412.
Detailed description above is only the explanation of the preferred embodiment of this utility model, non-therefore limits to the scope of the claims of the present utility model, so, the equivalence techniques change that all utilization this creation description and diagramatic content are done, it is both contained in the scope of the claims of the present utility model.

Claims (10)

1. an electric connector, it is characterised in that including:
One insulating body;
Multiple signal terminals and at least one ground terminal, be contained in described insulating body, and described ground terminal includes the fixed part being fixed on described insulating body and the contact site extended forward from described fixed part, and described contact site front end has a junction;
One shell, frame is located at outside described insulating body;
At least one metalwork, between described insulating body and described shell, described metalwork has a main part and the changeover portion bent from described main part front end to described junction, described changeover portion extends back a grounding parts, described main part is fixed on described insulating body, and described grounding parts contacts with described junction.
2. electric connector as claimed in claim 1, it is characterised in that: described insulating body is arranged with a docking chamber, and described docking chamber has at least one slot to make way, and described slot to make way runs through described insulating body, and described junction is positioned at described slot to make way.
3. electric connector as claimed in claim 2, it is characterised in that: described grounding parts is positioned at outside described slot to make way, and described junction protrudes described slot to make way and contacts with described grounding parts.
4. electric connector as claimed in claim 2, it is characterised in that: described grounding parts protrudes into described slot to make way and contacts with described junction.
5. electric connector as claimed in claim 1, it is characterised in that: described grounding parts and described junction Elastic Contact.
6. electric connector as claimed in claim 1, it is characterised in that: described grounding parts is parallel to described main part.
7. electric connector as claimed in claim 1, it is characterised in that: it is correspondingly formed one first space between described grounding parts and described main part.
8. electric connector as claimed in claim 7, it is characterised in that: the corresponding described grounding parts of described main part is provided with a protuberance, is correspondingly formed a second space between described protuberance and described grounding parts, and described second space is more than described first space.
9. electric connector as claimed in claim 1, it is characterised in that: described main part has extended laterally at least one abutting part, and described abutting part laterally abuts described insulating body, forms a gap between described grounding parts and described insulating body.
10. electric connector as claimed in claim 1, it is characterized in that: described ground terminal is two with the quantity of described metalwork, two described ground terminals are symmetrically set in described insulating body both sides, and two described metalworks are individually fixed in the upper and lower surface of described insulating body.
CN201620001105.3U 2016-01-04 2016-01-04 Electric connector Active CN205452701U (en)

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Application Number Priority Date Filing Date Title
CN201620001105.3U CN205452701U (en) 2016-01-04 2016-01-04 Electric connector

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107093827A (en) * 2017-05-09 2017-08-25 番禺得意精密电子工业有限公司 Electric connector
CN107871987A (en) * 2016-09-23 2018-04-03 富士康(昆山)电脑接插件有限公司 Electric connector
CN109962353A (en) * 2017-12-14 2019-07-02 莫列斯有限公司 Bayonet connector
CN111370923A (en) * 2020-03-24 2020-07-03 中航光电科技股份有限公司 Electric connector and terminal module thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107871987A (en) * 2016-09-23 2018-04-03 富士康(昆山)电脑接插件有限公司 Electric connector
CN107871987B (en) * 2016-09-23 2020-10-30 富士康(昆山)电脑接插件有限公司 Electrical connector
CN107093827A (en) * 2017-05-09 2017-08-25 番禺得意精密电子工业有限公司 Electric connector
CN107093827B (en) * 2017-05-09 2019-09-27 番禺得意精密电子工业有限公司 Electric connector
CN109962353A (en) * 2017-12-14 2019-07-02 莫列斯有限公司 Bayonet connector
CN109962353B (en) * 2017-12-14 2020-10-30 莫列斯有限公司 Card edge connector
CN111370923A (en) * 2020-03-24 2020-07-03 中航光电科技股份有限公司 Electric connector and terminal module thereof
CN111370923B (en) * 2020-03-24 2021-06-04 中航光电科技股份有限公司 Electric connector and terminal module thereof

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