CN203674484U - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
CN203674484U
CN203674484U CN201420019830.4U CN201420019830U CN203674484U CN 203674484 U CN203674484 U CN 203674484U CN 201420019830 U CN201420019830 U CN 201420019830U CN 203674484 U CN203674484 U CN 203674484U
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CN
China
Prior art keywords
terminal
interface
insulating body
shield shell
pair
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
Application number
CN201420019830.4U
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Chinese (zh)
Inventor
邓江林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Zhengyao Science & Technology Co Ltd
Original Assignee
Shenzhen Zhengyao Science & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN201420019830.4U priority Critical patent/CN203674484U/en
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Publication of CN203674484U publication Critical patent/CN203674484U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses an electrical connector. The electrical connector comprises an insulating body, conductive terminals disposed on the insulating body, and a shielding housing wrapping the insulating body, wherein the shielding housing is provided with a receiving space, the insulating body is provided with a main body part and a tongue plate stretching into the receiving space and suspending in the receiving space so as to form an insertion connector, earthing shrapnels are integrally arranged on the shielding housing, are arranged inside the insertion connector in a suspension manner, and can elastically deform towards the outside of the insertion connector, and third grounding terminals are arranged outside the insertion connector and are corresponding to the earthing shrapnels. Moreover, when an abutting plug is inserted into the insertion connector, the earthing shrapnels are pressed to deform outwards and contact the third grounding terminals, thereby realizing shielding. By this means, the third grounding terminals are used for replacing the conventional structure where fixing pins of the shielding housing serve as grounding pins, and thus the problem of imperfect earth caused by looseness of the fixing pins of the conventional shielding housing after being repeatedly plugged is solved.

Description

Electric connector
Technical field
The utility model relates to electric connector field technology, refers in particular to a kind of USB3.1 connector body.
Background technology
USB is an external bus standard, for being connected and communication of standard computer and external equipment, is the interface that is applied to PC field.Having experienced development USB has for many years become the first-selected interface of high speed data transfer equipment, and its high speed conventional rate can meet the rate requirement of most of ancillary equipment substantially.
Along with the raising of transmission rate, people are to the quality requirement of signal transmission also corresponding raising.If USB connector lacks effective signal shielding structure, signal transmission capabilities dies down so, and transmission quality will can not get ensureing.Therefore in order to guarantee the safety in signals transmission and to stablize, USB regulation and stipulation USB must shield, and avoids the interference such as static, electromagnetic wave.
The fixing leg of the general screening can of prior art is welded in pcb board, and by pcb board ground connection, and the electric current that static, Electromagnetic Interference are produced imports the earth.But existing shielding construction, the reliability that the process of the fixing leg of its ground connection and pcb board welding comparatively bothers and welds is difficult to ensure, and the fixing feet of screening can is not only as fixing but also for ground connection, there is the anxiety of resistance to plug ability fragility, through repeatedly plug, rosin joint and the corresponding increase of moving probability that fluffs, be difficult to ensure terminal mechanism and metal shell reliable ground, therefore suppresses magnetic wave the annoyance level of signal transmission is not enough to reach the degree that industry is expected.
In view of above-mentioned prior art, be necessary to be improved, for this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of electric connector, increases a pair of earth terminal and directly contacts with the grounding elastic part that covers shell, is easy to realize function of shielding, and masking structure is firm, stable performance.
For achieving the above object, the utility model adopts following technical scheme:
A kind of electric connector, comprise insulating body, be located at conducting terminal on insulating body and the shield shell of coated insulation body, described shield shell is provided with receiving space, described insulating body is provided with main part and extends into the hyoplastron in receiving space, and this hyoplastron is suspended from and in receiving space, forms interface, described conducting terminal comprises first end subgroup and the second terminal group, described first end subgroup comprises power supply terminal, the first earth terminal and first pair of difference signal terminal between power supply terminal and the first earth terminal, and the terminal in described first end subgroup comprises elasticity the first contact site of being located on hyoplastron and stretches out the first weld part outside main part, described the second terminal group comprises second pair of difference signal terminal, the 3rd pair of difference signal terminal and the second earth terminal between second pair and the 3rd pair of difference signal terminal, terminal in described the second terminal group comprises tabular the second contact site of being located on hyoplastron and stretches out the second weld part outside main part, described the first contact site and the second contact site are all positioned at the same side of hyoplastron, and described the second contact site is compared the interface of the more close electric connector of the first contact site, on described shield shell, be wholely set grounding elastic part, this grounding elastic part is suspended in interface and can elastic deformation outside interface, this interface is outside equipped with the 3rd earth terminal, the 3rd earth terminal is corresponding with grounding elastic part, and, in the time that banjo and interface connect, this grounding elastic part contacts with the 3rd earth terminal.
Preferably, described grounding elastic part has a pair of, is arranged at respectively on the shield shell side wall surface of the interface left and right sides, and this grounding elastic part extends and bending along the direction of insertion of interface, forms the first contact and cambered outwards the second contact that concave; Described the 3rd earth terminal has a pair of, be individually fixed in the main part both sides of insulating body, the 3rd earth terminal comprises the 3rd contact site and stretches out the 3rd weld part outside main part, the 3rd contact site comprises the 3rd contact and the elastic arm being suspended from outside the second contact, and the 3rd contact is to the second contact bending.
Preferably, between the 3rd contact site of described the 3rd earth terminal and the 3rd weld part, have holding parts, the main part both sides of described insulating body are provided with gomphosis groove, and this holding parts is plugged in gomphosis groove.
Preferably, a side of described gomphosis groove has trumpet-shaped slot to make way, and the elastic arm of described the 3rd earth terminal is suspended from slot to make way.
Preferably, the side that the surface of described holding parts is provided with salient point, holding parts is provided with interference tooth, and this salient point and interference tooth are stung tight in the internal face of gomphosis groove.
Preferably, before and after each second weld part of each first weld part of described first end subgroup and the second terminal group, two rows stretch out the main part below of insulating body, and the rear end buckle-type of this insulating body is provided with a leg holder.
Preferably, the end face of described shield shell and bottom surface all have two main holding shrapnels, and two outsides, left and right of this two main holding shrapnel are respectively equipped with a pair of the first secondary holding shrapnel, and this main holding shrapnel and the first secondary holding shrapnel extend along the direction of extracting of interface; And, between two main holding shrapnels of the end face of this shield shell, being provided with one second secondary holding shrapnel, this second secondary holding shrapnel extends along the direction of insertion of interface, between two main holding shrapnels of the bottom surface of this shield shell, has riveted line.
Preferably, the interface outside of described screening can is provided with the first fixing feet, the both sides, rear end of screening can are provided with the second fixing feet, and this first fixing feet is connected with shield shell one with the second fixing feet, and the first fixing feet is to extend bending and molding by the front-end edge outward flanging of interface.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, it is mainly that grounding elastic part is set on shield shell, correspondence is set up the 3rd earth terminal outward at the interface of shield shell, as long as the plug of docking inserts interface, can push grounding elastic part is outwards out of shape and contacts with the 3rd earth terminal, directly will shield, substituting tradition with the 3rd earth terminal utilizes the fixing feet of shield shell as the structure of grounding leg, thereby can not pull the easily loosening problem that causes imperfect earth because of the fixing feet plug of traditional shield shell.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is the assembling schematic perspective view of the preferred embodiment of the utility model;
Fig. 2 is the first exploded view of the preferred embodiment of the utility model;
Fig. 3 is the second exploded view of the preferred embodiment of the utility model;
Fig. 4 is the decomposition dress state rear side visual angle figure of the preferred embodiment of the utility model;
Fig. 5 is that the 3rd earth terminal of the preferred embodiment of the utility model decomposes visual angle, the bottom figure of dress state;
Fig. 6 is the sectional view of the 3rd earth terminal assembling state of the preferred embodiment of the utility model;
Fig. 7 is the rear side visual angle figure of the shield shell of the preferred embodiment of the utility model;
Fig. 8 is that the finished product assembled state of preferred embodiment of the utility model is in the sectional view at the 3rd earth terminal place.
Accompanying drawing identifier declaration:
10, insulating body 11, main part
111, gomphosis groove 112, slot to make way
12, hyoplastron 13, interface
20, conducting terminal
21, first end subgroup 211, power supply terminal
212, the first earth terminal 213, first pair of difference signal terminal
214, the first contact site 215, the first weld part
22, the second terminal group 221, second pair of difference signal terminal
222, the 3rd pair of difference signal terminal 223, the second earth terminal
224, the second contact site 225, the second weld part
30, shield shell 31, grounding elastic part
311, the first contact 312, the second contact
32, main holding shrapnel 33, the first secondary holding shrapnel
34, the second secondary holding shrapnel 35, riveted line
36, the first fixing feet 37, the second fixing feet
40, interface 50, leg holder
60, the 3rd earth terminal 61, the 3rd contact site
611, the 3rd contact 612, elastic arm
62, the 3rd weld part 63, holding parts
631, salient point 632, interference tooth
70, pcb board.
Embodiment
Please refer to shown in Fig. 1 to Fig. 8, it has demonstrated the concrete structure of the preferred embodiment of the utility model.A kind of electric connector includes insulating body 10, be located at conducting terminal 20 on insulating body 10 and the shield shell 30 of coated insulation body 10.Wherein:
Described shield shell 30 is provided with receiving space, and described insulating body 10 is provided with main part 11 and extends into the hyoplastron 12 in receiving space, and this hyoplastron 12 is suspended from and in receiving space, forms interface 40 (seeing Fig. 1).
Described conducting terminal 20 comprises first end subgroup 21 and the second terminal group 22.As shown in Figure 4, described first end subgroup 21 comprises power supply terminal 211, the first earth terminal 212 and first pair of difference signal terminal 213 between power supply terminal 211 and the first earth terminal 212.Shown in Fig. 4,5, the terminal in described first end subgroup 21 comprises elasticity the first contact site 214 of being located on hyoplastron 12 and stretches out the first weld part 215 outside main part 11.As shown in Figure 4, described the second terminal group 22 comprises second pair of difference signal terminal 221, the 3rd pair of difference signal terminal 222 and the second earth terminal 223 between second pair and the 3rd pair of difference signal terminal 221,222.Shown in Fig. 4,5, the terminal in described the second terminal group 22 comprises tabular the second contact site 224 of being located on hyoplastron 12 and stretches out the second weld part 225 outside main part 11.Described the first contact site 214 and the second contact site 224 are all positioned at the same side of hyoplastron 12, and described the second contact site 224 is compared the interface 13 of the first contact site 214 more close electric connectors.As shown in Figure 5, main part 11 belows of stretching out insulating body 10 are arranged in described the first weld part 215 and the second weld part 225 front and back two, and the rear end buckle-type of this insulating body 10 is provided with a leg holder 50.
As shown in Fig. 1,7, described shield shell 30 is one time punching molded with metal material.On this shield shell 30, be wholely set a pair of grounding elastic part 31, this grounding elastic part 31 is suspended in interface 40.In the present embodiment, grounding elastic part 31 is arranged on shield shell 30 side wall surfaces of interface 40 left and right sides, and this grounding elastic part 31 extends and bending along the direction of insertion of interface 40, forms the first contact 311 and cambered outwards the second contact 312 that concave.As shown in Figure 7, it is corresponding with grounding elastic part 31 that the interface 40 of described shield shell 30 is outside equipped with a pair of the 3rd earth terminal 60, the three earth terminals 60, and in the time that banjo and interface 40 connect, this grounding elastic part 31 contacts with the 3rd earth terminal 60.
As shown in Fig. 5-8, described grounding elastic part 31 is individually fixed in main part 11 both sides of insulating body 10, the 3rd earth terminal 60 comprises the 3rd contact site 61 and stretches out the 3rd weld part 62 outside main part 11, the 3rd contact site 61 comprises the 3rd contact 611 and the elastic arm 612 that are suspended from outside the second contact 312, the 3rd contact 611, to the second contact 312 bendings, can with second contact 312 and three contact 611 join while distortion to guarantee that grounding elastic part 31 is outside.In addition, between the 3rd contact site 61 of described the 3rd earth terminal 60 and the 3rd weld part 62, have holding parts 63, the side that the surface of holding parts 63 is provided with salient point 631, holding parts 63 is provided with interference tooth 632.Main part 11 both sides of described insulating body 10 are provided with gomphosis groove 111, and this holding parts 63 is plugged in gomphosis groove 111, and salient point 631 and interference tooth 632 are stung tight in the internal face of gomphosis groove 111.One side of this gomphosis groove 111 has the elastic arm 612 of trumpet-shaped slot to make way 112, the three earth terminals 60 to be suspended from slot to make way 112, and trumpet-shaped structure makes elastic arm 612 have enough strain spaces.
As shown in Figure 7, the end face of described shield shell 30 and bottom surface all have two main holding shrapnels 32, two outsides, left and right of these two main holding shrapnels 32 are respectively equipped with a pair of the first secondary holding shrapnel 33, and this main holding shrapnel 32 and the first secondary holding shrapnel 33 extend along the direction of extracting of interface 40.And, between two main holding shrapnels 32 of the end face of this shield shell 30, being provided with one second secondary holding shrapnel 34, this second secondary holding shrapnel 34 extends along the direction of insertion of interface 40, between two main holding shrapnels 32 of the bottom surface of this shield shell 30, has riveted line 35.In addition, two outsides, interface 40 left and right of described screening can 30 are provided with a pair of the first fixing feet 36, two outsides, left and right of the rear end of screening can 30 are provided with a pair of the second fixing feet 37, this first fixing feet 36 is connected with shield shell 30 one with the second fixing feet 37, and the first fixing feet 36 is to extend bending and molding by the front-end edge outward flanging of interface 40.
When electric connector of the present utility model uses, first the first and second fixing feet 36,37 are welded in to pcb board 70, then weld each the first weld part 215, the second weld part 225 and the 3rd weld part 62.After fixing, when use, grafting USB plug, is compressed the grounding elastic part 31 of both sides by USB plug, make it outwards distortion and contact with the 3rd earth terminal 60, realizes and shielding.
In sum, design focal point of the present utility model is, it is mainly that grounding elastic part 31 is set on shield shell 30, correspondence is set up the 3rd earth terminal 60 outward at the interface of shield shell 30, as long as the plug of docking inserts interface 40, can push grounding elastic part 31 is outwards out of shape and contacts with the 3rd earth terminal 60, directly will shield, substitute tradition with the 3rd earth terminal 60 and utilize the fixing feet of shield shell 30 as the structure of grounding leg, thereby can not pull the easily loosening problem that causes imperfect earth because of the fixing feet plug of traditional shield shell 30.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.

Claims (8)

1. an electric connector, comprise insulating body, be located at conducting terminal on insulating body and the shield shell of coated insulation body, described shield shell is provided with receiving space, described insulating body is provided with main part and extends into the hyoplastron in receiving space, and this hyoplastron is suspended from and in receiving space, forms interface, described conducting terminal comprises first end subgroup and the second terminal group, described first end subgroup comprises power supply terminal, the first earth terminal and first pair of difference signal terminal between power supply terminal and the first earth terminal, and the terminal in described first end subgroup comprises elasticity the first contact site of being located on hyoplastron and stretches out the first weld part outside main part, described the second terminal group comprises second pair of difference signal terminal, the 3rd pair of difference signal terminal and the second earth terminal between second pair and the 3rd pair of difference signal terminal, terminal in described the second terminal group comprises tabular the second contact site of being located on hyoplastron and stretches out the second weld part outside main part, described the first contact site and the second contact site are all positioned at the same side of hyoplastron, and described the second contact site is compared the interface of the more close electric connector of the first contact site, it is characterized in that: on described shield shell, be wholely set grounding elastic part, this grounding elastic part is suspended in interface and can elastic deformation outside interface, this interface is outside equipped with the 3rd earth terminal, the 3rd earth terminal is corresponding with grounding elastic part, and, in the time that banjo and interface connect, this grounding elastic part contacts with the 3rd earth terminal.
2. electric connector according to claim 1, it is characterized in that: described grounding elastic part has a pair of, be arranged at respectively on the shield shell side wall surface of the interface left and right sides, this grounding elastic part extends and bending along the direction of insertion of interface, forms the first contact and cambered outwards the second contact that concave; Described the 3rd earth terminal has a pair of, be individually fixed in the main part both sides of insulating body, the 3rd earth terminal comprises the 3rd contact site and stretches out the 3rd weld part outside main part, the 3rd contact site comprises the 3rd contact and the elastic arm being suspended from outside the second contact, and the 3rd contact is to the second contact bending.
3. electric connector according to claim 1, it is characterized in that: between the 3rd contact site of described the 3rd earth terminal and the 3rd weld part, there is holding parts, the main part both sides of described insulating body are provided with gomphosis groove, and this holding parts is plugged in gomphosis groove.
4. electric connector according to claim 3, is characterized in that: a side of described gomphosis groove has trumpet-shaped slot to make way, and the elastic arm of described the 3rd earth terminal is suspended from slot to make way.
5. electric connector according to claim 3, is characterized in that: the side that the surface of described holding parts is provided with salient point, holding parts is provided with interference tooth, and this salient point and interference tooth are stung tight in the internal face of gomphosis groove.
6. electric connector according to claim 1, it is characterized in that: before and after each second weld part of each first weld part of described first end subgroup and the second terminal group, two rows stretch out the main part below of insulating body, and the rear end buckle-type of this insulating body is provided with a leg holder.
7. electric connector according to claim 1, it is characterized in that: the end face of described shield shell and bottom surface all have two main holding shrapnels, two outsides, left and right of this two main holding shrapnel are respectively equipped with a pair of the first secondary holding shrapnel, and this main holding shrapnel and the first secondary holding shrapnel extend along the direction of extracting of interface; And, between two main holding shrapnels of the end face of this shield shell, being provided with one second secondary holding shrapnel, this second secondary holding shrapnel extends along the direction of insertion of interface, between two main holding shrapnels of the bottom surface of this shield shell, has riveted line.
8. electric connector according to claim 1, it is characterized in that: the interface outside of described screening can is provided with the first fixing feet, the both sides, rear end of screening can are provided with the second fixing feet, this first fixing feet is connected with shield shell one with the second fixing feet, and the first fixing feet is to extend bending and molding by the front-end edge outward flanging of interface.
CN201420019830.4U 2014-01-14 2014-01-14 Electrical connector Expired - Fee Related CN203674484U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420019830.4U CN203674484U (en) 2014-01-14 2014-01-14 Electrical connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420019830.4U CN203674484U (en) 2014-01-14 2014-01-14 Electrical connector

Publications (1)

Publication Number Publication Date
CN203674484U true CN203674484U (en) 2014-06-25

Family

ID=50970740

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420019830.4U Expired - Fee Related CN203674484U (en) 2014-01-14 2014-01-14 Electrical connector

Country Status (1)

Country Link
CN (1) CN203674484U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107293890A (en) * 2016-04-11 2017-10-24 连展科技(深圳)有限公司 Electric connector for socket
CN108321585A (en) * 2017-01-16 2018-07-24 连展科技(深圳)有限公司 Socket electric connector
CN109066179A (en) * 2018-08-27 2018-12-21 四川华丰企业集团有限公司 Electric connector and electronic equipment
CN110444962A (en) * 2019-07-26 2019-11-12 深圳市信维通信股份有限公司 Radio frequency connector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107293890A (en) * 2016-04-11 2017-10-24 连展科技(深圳)有限公司 Electric connector for socket
CN108321585A (en) * 2017-01-16 2018-07-24 连展科技(深圳)有限公司 Socket electric connector
CN109066179A (en) * 2018-08-27 2018-12-21 四川华丰企业集团有限公司 Electric connector and electronic equipment
CN110444962A (en) * 2019-07-26 2019-11-12 深圳市信维通信股份有限公司 Radio frequency connector

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140625