CN203466328U - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
CN203466328U
CN203466328U CN201320557765.6U CN201320557765U CN203466328U CN 203466328 U CN203466328 U CN 203466328U CN 201320557765 U CN201320557765 U CN 201320557765U CN 203466328 U CN203466328 U CN 203466328U
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China
Prior art keywords
extension
plug
protuberance
weld
partitions
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CN201320557765.6U
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Chinese (zh)
Inventor
涂金金
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LOTES PRECISION ELECTRONIC (SUZHOU) CO Ltd
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LOTES PRECISION ELECTRONIC (SUZHOU) CO Ltd
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Priority to CN201320557765.6U priority Critical patent/CN203466328U/en
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Abstract

The utility model discloses an electrical connector. The electrical connector comprises an insulation body, a metal housing and a rear plug. A plurality of terminals are assembled on the insulation body, the insulation body is provided with a butt joint part, and a rear end of the butt joint part is provided with an extension part. The metal housing is wrapped outside the insulation body, and the metal housing is provided with at least one separating part and a supporting part. The rear plug is provided with a projecting part which is located below the extension part and borne on the bearing part, the projecting part is located below the separating part so that the separating part stops the projecting part so as to fix the rear plug; and a first gap is formed between the projecting part and the extension part, so no interference with the insulation body occurs. The rear plug is fixedly firmly and no easy to fall off, good positioning of welding parts is guaranteed, welding quality of the terminals is good, and a phenomenon that electrical contact between the terminals and the circuit board is not good does not happen easily.

Description

Electric connector
[technical field]
The utility model relates to a kind of electric connector, espespecially a kind of electric connector with rear plug.
[background technology]
As TaiWan, China patent, M387401 has disclosed a kind of electric connector, and it comprises an insulating body, assembles and be contained in a plurality of terminals of described insulating body, and a rear plug, is fixed on described insulating body, and the shielding casing that is covered in described insulating body outside.After described, be provided with beyond the Great Wall and be the location hole that two rows arrange, the weld part of described terminal positions described rear plug through described location hole and is convexly equipped with an interference part, thereby described interference part and described insulating body interference are fixed on described rear plug on described insulating body, described rear plug is fixed on described insulating body by the mode of interfering by force, make the place, interference part of described rear plug easily crack or rupture, described rear plug easily comes off from described insulating body, cause the weld part of described terminal fixing insecure, locate inaccurate, affect the welding quality of described terminal, even there is described terminal and circuit board poor electrical contact.
Therefore, be necessary to design a kind of electric connector of improvement, to overcome the problems referred to above.
[utility model content]
The problem facing for background technology, it is a kind of simple in structure that the purpose of this utility model is to provide, and assembling is easy to electric connector.
For achieving the above object, the utility model adopts following technological means:
An electric connector, for being fixed to a circuit board, is characterized in that, comprises an insulating body, and described insulating body has a docking part, from rear end, described docking section, is provided with an extension; One metal shell, described metal shell is coated on described insulating body, and described metal shell is provided with at least one partitions, and described metal shell is provided with a supporting part; One rear plug, described rear plug is provided with a protuberance and is positioned at described extension below, and is carried on described supporting part, and described protuberance is positioned at the below of described partitions, protuberance described in described partitions block, makes to form between described protuberance and described extension one first gap; A plurality of terminal group install to described insulating body, and described terminal has a weld part through described rear plug, and correspondence is soldered to described circuit board.
Further, described supporting part is positioned at the below of described partitions, and described protuberance is between described supporting part and described partitions.
Further, described partitions and described supporting part surround a receiving space of open rearward end jointly, and described protuberance is partly positioned at described receiving space.
Further, the bottom surface of described extension is higher than the diapire of described docking section, and described extending part is in the top of described circuit board.
Further, described terminal has a holding parts and is immobilizated in described extension, from described holding parts, extend forward a contact site and be contained in described docking section, from described holding parts, bend backward and extend to form described weld part through described rear plug, described weld part is higher than the diapire of described docking section.
Further, described weld part is provided with a protuberance, and described protuberance passes described rear plug and is positioned at the below of described rear plug bottom surface, stops described rear plug to move down.
Further, described extension comprises one first extension and one second extension that is positioned at described the first extension top, and the bottom surface of described partitions is lower than the bottom surface of described the second extension.
Further, described rear plug has a main part, described protuberance is convexly equipped with from described main part one side, and the both sides of described the second extension rear end convex with respectively a barricade, described main part at least partly between described barricade and and described barricade between there is one second gap.
Further, described rear plug has one first location division and higher than one second location division of described the first location division, one boss is convexly equipped with from described the first location division and lower than described the second location division, a plurality of location holes lay respectively at described the first location division and described the second location division, and described weld part is through described location hole.
Further, the both sides of described metal shell rear end are bent with respectively a leg, and described leg is higher than the diapire of described metal shell.
Compared with prior art, the utlity model has following beneficial effect: described insulating body is provided with described extension, described metal shell is provided with described partitions and described supporting part, described rear plug is provided with described protuberance and is positioned at described extension below and is carried on described supporting part, described partitions is positioned at protuberance described in the top of described protuberance block, make to form between described protuberance and described extension described the first gap and described rear plug is fixed, due to described rear plug utilize described partitions and described supporting part to be fixed and and described insulating body between there is described the first gap, therefore do not interfere with described insulating body, make described rear plug fixation, difficult drop-off, guarantee the good location of described weld part, make the good and difficult phenomenon that described terminal and described circuit board poor electrical contact occur of welding quality of described terminal.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of the utility model electric connector;
Fig. 2 is the three-dimensional exploded view at another visual angle of the utility model electric connector;
Fig. 3 is the three-dimensional local constitutional diagram of the utility model electric connector;
Fig. 4 is the three-dimensional combination figure of the utility model electric connector;
Fig. 5 is the partial sectional view of the utility model electric connector;
Fig. 6 is the vertical view of the utility model electric connector:
Fig. 7 is the sectional perspective exploded view of the second embodiment;
Fig. 8 is the three-dimensional combination figure of the second embodiment;
The drawing reference numeral explanation of embodiment.
Electric connector 100 Insulating body 1 Docking section 11 Extension 12
The first extension 121 Fixture block 1211 The second extension 122 Barricade 1221
Upper row's accepting groove 13 Lower row's accepting groove 14 Terminal 2 The first terminal 21
The first holding parts 211 The first contact site 212 The first weld part 213 The second terminal 22
The second holding parts 221 The second contact site 222 Kink 223 The second weld part 224
Metal shell 3 Body frame 31 Docking port 311 Draw-in groove 312
Shielding portion 32 Partitions 321 Supporting part 322 Receiving space 323
Leg 33 Rear plug 4 Main part 41 Protuberance 411
The first location division 412 The second location division 413 Boss 414 Location hole 415
The first gap A The second gap B ? ?
The first weld part 213 ' The second weld part 224 ' Protuberance 23 ?
[embodiment]
For ease of better understanding the purpose of this utility model, structure, feature and effect etc., existing the utility model is described in further detail with embodiment by reference to the accompanying drawings.
As shown in Figure 1 and Figure 4, the utility model electric connector 100 comprises: an insulating body 1, a plurality of terminals 2 are assembled into described insulating body 1, one metal shell 3, described metal shell 3 is coated on described insulating body 1, one rear plug 4, described terminal 2 is through described rear plug 4, and correspondence is soldered to (not shown) on a circuit board.
As shown in Figure 1, Figure 2 and Figure 3, described insulating body 1 has a docking part 11, from 11 rear ends, described docking section, be provided with an extension 12, the bottom surface of described extension 12 is higher than the diapire of described docking section 11, and described extension 12 parts are positioned at 11 tops, described docking section.Described extension 12 is positioned at the top (not shown) of described circuit board.Described extension 12 comprises one first extension 121 extending back from described docking section 11 and one second extension 122 that is positioned at described the first extension 121 tops, and from the side, described insulating body 1 is stepped.Described the first extension 121 both sides are convexly equipped with respectively a fixture block 1211, in order to fasten with described metal shell 3.The both sides of described the second extension 122 rear ends are convexly equipped with respectively a barricade 1221 downwards, and described rear plug 4 is at least partly between described two barricades 1221.Described insulating body 1 offers a plurality of upper row's accepting grooves 13 and a plurality of lower row's accepting groove 14, and described terminal 2 is contained in described upper row's accepting groove 13 and described lower row's accepting groove 14.Described upper row's accepting groove 13 is arranged with forward through described the first extension 121 and extends to the front end of described docking section 11 from the rear end face of described the second extension 122, and described lower row's accepting groove 14 is arranged with forward and extends to the front end of described docking section 11 from described the first extension 121.
As shown in Figure 1, Figure 2 and Figure 3, described terminal 2 comprises four the first terminals 21 and five the second terminals 22, and described the first terminal 21 is contained in described upper row's accepting groove 13, and described the second terminal 22 is contained in described lower row's accepting groove 14.Described the first terminal 21 has one first holding parts 211 and is immobilizated in described upper row's accepting groove 13, from described the first holding parts 211, bend forward and extend to form flexible one first contact site 212 and be contained in described docking section 11, from described the first holding parts 211, bend backward and downwards and extend to form one first weld part 213 through described rear plug 4, correspondence is soldered to described circuit board (not shown), and described the first weld part 213 is higher than the diapire of described docking section 11.Described the second terminal 22 has one second holding parts 221 and is immobilizated in described lower row's accepting groove 14, from described the second holding parts 221, extend to form forward flat one second contact site 222 and be contained in described docking section 11, from described the second holding parts 221 straight up again level bend backward and extend a kink 223 and be positioned at described the first extension 121 rear ends, from described kink 223, bend backward and downwards and extend to form one second weld part 224 through described rear plug 4, correspondence is soldered to described circuit board (not shown).Described the second weld part 224 is higher than the diapire of described docking section 11, and described the first weld part 213 and the second weld part 224 are the weld part of described terminal 2.
As shown in Figure 1, Figure 2 and Figure 4, the material of described metal shell 3 is that metal material is made.Described metal shell 3 comprises a body frame 31 and a shielding portion 32, described shielding portion 32 is from the formation that extends back of described body frame 31, described body frame 31 coated described docking section 11 and described the first extensions 121, described shielding portion 32 covers described the second extension 122.The front end of described body frame 31 is provided with a docking port 311 and pegs graft (not shown) for a banjo, and described docking section 11 is positioned at described docking port 311.The two side end edge of described body frame 31 is arranged with respectively a draw-in groove 312, and described fixture block 1211 is stuck in described draw-in groove 312.The end of described body frame 31 is concordant with the rear end face of described the first extension 121, the end of described shielding portion 32 is concordant with the rear end face of described rear plug 4, the bottom end opening of described shielding portion 32 is so that described the first weld part 213 and described the second weld part 224 expose described metal shell 3, thus convenient welding.The two side of described shielding portion 32 is respectively equipped with a partitions 321, and the two side of described shielding portion 32 is respectively equipped with the below that a supporting part 322 is positioned at described partitions 321, and the bottom surface of described partitions 321 is lower than the bottom surface of described the second extension 122.Described partitions 321 be positioned at described supporting part 322 directly over, described partitions 321 and described supporting part 322 surround a receiving space 323 of open rearward end jointly.Described metal shell 3 both sides are bent with respectively two legs 33, thereby described leg 33 is in order to be welded to fixing described electric connector 100 on described circuit board, and described leg 33 is higher than the diapire of described interface frame, mating frame 31.
As shown in Fig. 1, Fig. 5 and Fig. 6, described rear plug 4 is made for insulating material.Described rear plug 4 both sides are respectively equipped with a protuberance 411 and are positioned at described the second extension 122 belows and protrude out described the second extension 122 both sides, described protuberance 411 by after move forward into described receiving space 323, and part is positioned at described receiving space 323.Described protuberance 411 is positioned at the below of described partitions 321 and the top that described protuberance 411 is positioned at described supporting part 322, be that described protuberance 411 is between described supporting part 322 and described partitions 321, described protuberance 411 enters described receiving space 323 and is carried on described supporting part 322, protuberance 411 described in described partitions 321 blocks, described rear plug 4 is fixing.Protuberance 411 described in described partitions 321 blocks, makes to form between described protuberance 411 and described extension 12 one first gap A.Because the material of described metal shell 3 is metal material, metal material is larger than the elastic deformation amount of insulating material, described metal shell 3 is provided with described supporting part 322 and described partitions 321 is fixed described rear plug 4 with described protuberance 411, in assembling process, described supporting part 322 and described partitions 321 utilize the elasticity of self to step down to described protuberance 411, even if described protuberance 411 collides described supporting part 322 and described partitions 321, described protuberance 411 is also difficult for occurring fracture or crackle, thereby avoided damaging in assembling process described rear plug 4.Described rear plug 4 has a main part 41, and described protuberance 411 is convexly equipped with from described main part 41 both sides, described main part 41 at least partly between described barricade 1221 and and described barricade 1221 between there is one second gap B.Described rear plug 4 has one first location division 412 and one second location division 413, a plurality of location holes 415 lay respectively at described the first location division 412 and described the second location division 413, described the first location division 412 is higher than described the second location division 413, described the first weld part 213 passes the described location hole 415 of described the first location division 412 and is soldered on described circuit board, and described the second weld part 224 passes the described location hole 415 of described the second location division 413 and is soldered on described circuit board.One boss 414 is convexly equipped with from described the second location division 413 and lower than described the first location division 412, described location hole 415 is not set on described boss 414, described boss 414 is set in order to strengthen the intensity of described rear plug 4 on described rear plug 4, prevents that described the first weld part 213 and described the second weld part 224 are through causing described rear plug 4 fractures in the process of described rear plug 4.
As Fig. 1, shown in Fig. 3 and Fig. 4, during assembling, first described the first terminal 21 is assembled into described upper row's accepting groove 13, described the first holding parts 211 is immobilizated in described upper row's accepting groove 13, described flexible one first contact site 212 is contained in described docking section 11, described the first weld part 213 is arranged in a row above described the second extension 122, then described the second terminal 22 is assembled into described lower row's accepting groove 14, described the second holding parts 221 is immobilizated in described lower row's accepting groove 14, flat described the second contact site 222 is contained in described docking section 11, described kink 223 is positioned at described the first extension 121 rear ends, described the second weld part 224 is lined up an other row above described the second extension 122.Again described rear plug 4 covers are set on described the first weld part 213 and described the second weld part 224, described the first weld part 213 positions through the described location hole 415 of described the first location division 412, described the second weld part 224 positions through the described location hole 415 of described the second location division 413, described main part 41 parts between barricade 1221 and and described barricade 1221 between form described the second gap B (as Fig. 5), described protuberance 411 is positioned at described extension 12 belows, finally described metal shell 3 is assembled on described insulating body 1 from front to back, described docking section 11 is positioned at described docking port 311, described protuberance 411 parts are positioned at described receiving space 323, described protuberance 411 is carried on described supporting part 322, protuberance 411 described in described partitions 321 blocks, make to form between described protuberance 411 and described extension 12 described the first gap A and by described rear plug 4 fixing (as Fig. 5), further described the first weld part 213 and described the second weld part 224 are soldered to (not shown) on described circuit board, described leg 33 is soldered on described circuit board to fix described electric connector 100.Described rear plug 4 utilize described partitions 321 and described supporting part 322 to be fixed and and described insulating body 1 between there is described the first gap A, therefore do not interfere with described insulating body 1, make described rear plug 4 fixations, difficult drop-off, guarantee the good location of described the first weld part 213 and described the second weld part 224, make the good and difficult phenomenon that described terminal 2 and described circuit board poor electrical contact occur of welding quality of described terminal 2.
Referring to Fig. 7 and Fig. 8, figure for the second embodiment of the present utility model, be with the difference of the first embodiment: on described the first weld part 213 ' and described the second weld part 224 ', all convex with a protuberance 23, described protuberance 23 is convexly equipped with formation from the plate face of described the first weld part 213 ' and described the second weld part 224 ', described protuberance 23 supports the outer edge surface of described location hole 415, described protuberance 23 is positioned at the below of described location hole 415, plug 4 after described in described protuberance 23 blocks, stop described rear plug 4 to move down, described rear plug 4 utilizes described protuberance 23 to be fixed, described metal shell 3 does not arrange described partitions 321 and described supporting part 322 (as Fig. 1), it also can reach the same effect of above-mentioned the first embodiment in the process of implementing.
In sum, the utility model electric connector 100 has following beneficial effect:
(1) described insulating body 1 is provided with described extension 12, described metal shell 3 is provided with described partitions 321 and described supporting part 322, described rear plug 4 is provided with described protuberance 411 and is positioned at described extension 12 belows and is carried on described supporting part 322, described partitions 321 is positioned at protuberance 411 described in the top of described protuberance 411 block, make to form between described protuberance 411 and described extension 12 described the first gap A and described rear plug 4 is fixing, due to described rear plug 4 utilize described partitions 321 and described supporting part 322 to be fixed and and described insulating body 1 between there is described the first gap A, therefore do not interfere with described insulating body 1, make described rear plug 4 fixations, difficult drop-off, guarantee the good location of described the first weld part 213 and described the second weld part 224, make the good and difficult phenomenon that described terminal 2 and described circuit board poor electrical contact occur of welding quality of described terminal 2.
(2) described metal shell 3 is provided with described supporting part 322 and described partitions 321 and described protuberance 411 and is fixed described rear plug 4, in assembling process, described protuberance 411 by after move forward into described receiving space 323, described supporting part 322 and described partitions 321 utilize the elasticity of self to step down to described protuberance 411, even if described protuberance 411 collides described supporting part 322 and described partitions 321, also be difficult for there is fracture or crackle in described protuberance 411, thereby has avoided damaging in assembling process described rear plug 4.
(3) bottom surface of described extension 12 is higher than the diapire of described docking section 11, described the first weld part 213 and described the second weld part 224 are all higher than the diapire of described docking section 11, described leg 33 is higher than the diapire of described interface frame, mating frame 31, described electric connector 100 is welded to sink the mode of plate, reduce the volume that takies of described electric connector 100, saved the space taking.
More than describing in detail is only the explanation of the preferred embodiment of the utility model, non-so limit to the scope of the claims of the present utility model, so the equivalence techniques that all this creation of utilization specifications and diagramatic content are done changes, and is all contained in the scope of the claims of the present utility model.

Claims (10)

1. an electric connector, for being fixed to a circuit board, is characterized in that, comprising:
One insulating body, described insulating body has a docking part, from rear end, described docking section, is provided with an extension;
One metal shell, described metal shell is coated on described insulating body, and described metal shell is provided with at least one partitions, and described metal shell is provided with a supporting part;
One rear plug, described rear plug is provided with a protuberance and is positioned at described extension below, and is carried on described supporting part, and described protuberance is positioned at the below of described partitions, protuberance described in described partitions block, makes to form between described protuberance and described extension one first gap;
A plurality of terminal group install to described insulating body, and described terminal has a weld part through described rear plug, and correspondence is soldered to described circuit board.
2. electric connector as claimed in claim 1, is characterized in that: described supporting part is positioned at the below of described partitions, and described protuberance is between described supporting part and described partitions.
3. electric connector as claimed in claim 1, is characterized in that: described partitions and described supporting part surround a receiving space of open rearward end jointly, and described protuberance is partly positioned at described receiving space.
4. electric connector as claimed in claim 1, is characterized in that: the bottom surface of described extension is higher than the diapire of described docking section, and described extending part is in the top of described circuit board.
5. electric connector as claimed in claim 1, it is characterized in that: described terminal has a holding parts and is immobilizated in described extension, from described holding parts, extend forward a contact site and be contained in described docking section, from described holding parts, bend backward and extend to form described weld part through described rear plug, described weld part is higher than the diapire of described docking section.
6. electric connector as claimed in claim 1, is characterized in that: described weld part is provided with a protuberance, and described protuberance passes described rear plug and is positioned at the below of described rear plug bottom surface, stops described rear plug to move down.
7. electric connector as claimed in claim 1, is characterized in that: described extension comprises one first extension and one second extension that is positioned at described the first extension top, and the bottom surface of described partitions is lower than the bottom surface of described the second extension.
8. electric connector as claimed in claim 7, it is characterized in that: described rear plug has a main part, described protuberance is convexly equipped with from described main part one side, the both sides of described the second extension rear end convex with respectively a barricade, described main part at least partly between described barricade and and described barricade between there is one second gap.
9. electric connector as claimed in claim 1, it is characterized in that: described rear plug has one first location division and higher than one second location division of described the first location division, one boss is convexly equipped with from described the first location division and lower than described the second location division, a plurality of location holes lay respectively at described the first location division and described the second location division, and described weld part is through described location hole.
10. electric connector as claimed in claim 1, is characterized in that: the both sides of described metal shell rear end are bent with respectively a leg, and described leg is higher than the diapire of described metal shell.
CN201320557765.6U 2013-09-09 2013-09-09 Electrical connector Active CN203466328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320557765.6U CN203466328U (en) 2013-09-09 2013-09-09 Electrical connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320557765.6U CN203466328U (en) 2013-09-09 2013-09-09 Electrical connector

Publications (1)

Publication Number Publication Date
CN203466328U true CN203466328U (en) 2014-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107394479A (en) * 2017-08-08 2017-11-24 凡甲电子(苏州)有限公司 Electric connector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107394479A (en) * 2017-08-08 2017-11-24 凡甲电子(苏州)有限公司 Electric connector
WO2019029131A1 (en) * 2017-08-08 2019-02-14 凡甲电子(苏州)有限公司 Electrical connector
CN107394479B (en) * 2017-08-08 2019-05-14 凡甲电子(苏州)有限公司 Electric connector
US11152725B2 (en) 2017-08-08 2021-10-19 Alltop Electronics (Suzhou) Ltd. Electrical connector with complementary features on insulative housing and shielding member

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